/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Smooth Scroll */
html {
  scroll-behavior: smooth;
}

/* Focus Styles for Accessibility */
*:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

:root {
  /* ========================================
     Color System
     ======================================== */

  /* Primary Colors */
  --primary: #0066FF;
  --primary-hover: #0052CC;
  --primary-light: rgba(0, 102, 255, 0.1);
  --primary-border: rgba(0, 102, 255, 0.3);

  /* Secondary & Accent Colors */
  --secondary: #8B5CF6;
  --success: #10B981;
  --warning: #F59E0B;
  --accent: #EC4899;
  --info: #06B6D4;

  /* Background Colors */
  --bg-dark: #000000;
  --bg-section: #0a0a0a;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);
  --bg-overlay: rgba(0, 0, 0, 0.8);

  /* Text Colors */
  --text-primary: #FFFFFF;
  --text-secondary: rgba(255, 255, 255, 0.7);
  --text-muted: rgba(255, 255, 255, 0.4);
  --text-inverse: #000000;

  /* Border Colors */
  --border: rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.12);
  --border-strong: rgba(255, 255, 255, 0.2);

  /* ========================================
     Typography Scale
     ======================================== */

  --text-xs: 12px;
  /* Captions, labels */
  --text-sm: 14px;
  /* Small body text */
  --text-base: 16px;
  /* Base body text */
  --text-lg: 18px;
  /* Large body text */
  --text-xl: 24px;
  /* Small headings */
  --text-2xl: 32px;
  /* Section titles */
  --text-3xl: 40px;
  /* Page titles */
  --text-4xl: 56px;
  /* Hero titles */

  /* Font Weights */
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;

  /* Line Heights */
  --leading-tight: 1.2;
  --leading-snug: 1.4;
  --leading-normal: 1.6;
  --leading-relaxed: 1.8;

  /* ========================================
     Spacing System (8px base)
     ======================================== */

  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 40px;
  --space-6: 48px;
  --space-8: 64px;
  --space-10: 80px;
  --space-12: 96px;
  --space-16: 128px;
  --space-20: 160px;

  /* ========================================
     Layout
     ======================================== */

  --max-width: 1200px;
  --max-width-narrow: 800px;
  --max-width-wide: 1400px;

  /* ========================================
     Effects
     ======================================== */

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.4);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.2s ease;
  --transition-slow: 0.3s ease;

  /* Z-index */
  --z-base: 1;
  --z-dropdown: 10;
  --z-sticky: 50;
  --z-header: 100;
  --z-modal: 1000;

  /* ========================================
     Section Padding (Unified)
     ======================================== */
  --section-padding: 100px;

  /* ========================================
     Card Radius (Unified)
     ======================================== */
  --radius-card: 16px;

  /* ========================================
     Breakpoints (Framer-style)
     ======================================== */
  --breakpoint-s: 810px;
  /* Mobile/Small Tablet */
  --breakpoint-m: 1200px;
  /* Tablet/Small Desktop */
  --breakpoint-l: 1440px;
  /* Desktop */
  --breakpoint-xl: 1440px;
  /* Desktop Large */
}

body {
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  word-break: keep-all;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
}

/* Mobile-only line break */
.mobile-br {
  display: none;
}

@media (max-width: 768px) {
  .mobile-br {
    display: block;
  }
}

/* Desktop-only line break */
.desktop-br {
  display: block;
}

@media (max-width: 768px) {
  .desktop-br {
    display: none;
  }
}

/* Contact & Footer Email Links */
.contact-link,
.footer-email {
  color: var(--primary);
  transition: opacity 0.2s ease;
}

.contact-link:hover,
.footer-email:hover {
  opacity: 0.8;
  text-decoration: underline;
}

/* Container */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-3);
  width: 100%;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  font-weight: var(--font-medium);
  font-size: var(--text-sm);
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-hover);
}

.btn-white {
  background: white;
  color: #000;
}

.btn-white:hover {
  background: rgba(255, 255, 255, 0.9);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-light);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.05);
}

.btn-small {
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-xs);
}

.btn-large {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-base);
}

.btn-center {
  display: block;
  width: fit-content;
  margin: 0 auto 48px;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.header-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 72px;
  width: auto;
}

.logo-icon {
  color: var(--primary);
  font-size: 24px;
}

.logo-icon.large {
  font-size: 32px;
}

.nav {
  display: flex;
  gap: 40px;
}

.nav-link {
  color: var(--text-muted);
  font-size: 18px;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  height: 80%;
  background: radial-gradient(ellipse 80% 50% at 50% 0%, rgba(0, 102, 255, 0.3) 0%, transparent 70%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: linear-gradient(to bottom, black 0%, transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(0, 102, 255, 0.2);
  border: 1px solid rgba(0, 102, 255, 0.3);
  border-radius: 20px;
  font-size: 13px;
  color: var(--primary);
  margin-bottom: 24px;
}

.hero-title {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-3);
  letter-spacing: -1px;
}

.hero-title-kr {
  display: block;
  background: linear-gradient(135deg, #FFFFFF 0%, rgba(255, 255, 255, 0.7) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--text-base);
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
  line-height: var(--leading-relaxed);
}

.hero-buttons {
  display: flex;
  gap: var(--space-2);
  justify-content: center;
  margin-bottom: var(--space-8);
}

/* Hero Social Proof */
.hero-social-proof {
  margin-top: var(--space-8);
}

.social-proof-label {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.social-proof-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}

/* Logo Marquee Animation */
.logo-marquee {
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent 0%, black 10%, black 90%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 10%, black 90%, transparent 100%);
}

.logo-marquee-track {
  display: flex;
  gap: var(--space-5);
  animation: marquee 40s linear infinite;
  width: max-content;
}

.logo-marquee-track:hover {
  animation-play-state: paused;
}

.logo-marquee-item {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 60px;
  padding: 0 var(--space-2);
  opacity: 0.7;
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.logo-marquee-item:hover {
  opacity: 1;
  transform: scale(1.05);
}

.logo-marquee-item img {
  height: 50px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
}

/* Dark logos that need inversion for dark background */
.logo-marquee-item.logo-dark img {
  filter: invert(1) brightness(1.2);
}

.logo-marquee-item.logo-dark:hover img {
  filter: invert(1) brightness(1.4);
}

@keyframes marquee {
  0% {
    transform: translateX(0);
  }

  100% {
    transform: translateX(-50%);
  }
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  .logo-marquee-track {
    animation: none;
  }
}

.client-logo {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  padding: var(--space-2) var(--space-4);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  transition: all var(--transition-base);
}

.client-logo:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--primary);
  transform: translateY(-2px);
}

/* Section Styles */
section {
  padding: var(--section-padding) 0;
}

.section-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.section-label.center {
  text-align: center;
}

.section-title {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  text-align: center;
  margin-bottom: var(--space-2);
  letter-spacing: -0.5px;
  word-break: keep-all;
}

.title-sub {
  font-size: var(--text-2xl);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
}

.title-highlight {
  color: var(--primary);
}

.section-subtitle {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: var(--space-6);
  line-height: var(--leading-relaxed);
  word-break: keep-all;
}

/* Stats Section */
.stats {
  background: var(--bg-dark);
  padding: var(--section-padding) 0;
}

.stats-title {
  font-size: 36px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 60px;
  line-height: 1.4;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.stat-card {
  background: linear-gradient(180deg, rgba(10, 20, 40, 0.8) 0%, rgba(5, 10, 25, 0.9) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: var(--space-4);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.stat-label.right {
  text-align: right;
}

.stat-value {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
}

.stat-value.right {
  text-align: right;
}

.stat-desc {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.6;
}

.stat-desc.right {
  text-align: right;
}

.stat-visual {
  margin-top: 24px;
}

.stat-visual-top {
  margin-bottom: 24px;
}

.stat-bars {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 120px;
}

.stat-bars .bar {
  flex: 1;
  background: linear-gradient(180deg, var(--primary) 0%, rgba(0, 102, 255, 0.3) 100%);
  border-radius: 4px 4px 0 0;
}

.stat-graph {
  height: 100px;
  background: linear-gradient(180deg, transparent 0%, rgba(0, 102, 255, 0.2) 100%);
  border-radius: 12px;
  position: relative;
}

.stat-graph::after {
  content: '';
  position: absolute;
  bottom: 20px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: var(--primary);
  box-shadow: 0 0 10px var(--primary);
}

.stat-dots {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
}

.stat-dots span {
  aspect-ratio: 1;
  background: var(--primary);
  border-radius: 4px;
  opacity: 0.6;
}

.stat-dots span:nth-child(odd) {
  opacity: 1;
}

/* Value Proposition Section */
.value-proposition {
  background: var(--bg-section);
  padding: var(--section-padding) 0;
}

.section-label.center {
  text-align: center;
  display: block;
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-8);
}

.value-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: var(--space-6);
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  text-align: left;
  transition: transform var(--transition-slow), box-shadow var(--transition-slow), background var(--transition-slow), border-color var(--transition-slow);
}

.value-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-light);
  transform: translateY(-4px);
}

.value-number {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--primary);
  line-height: 1;
  flex-shrink: 0;
}

.value-content {
  flex: 1;
  word-break: keep-all;
}

.value-icon {
  font-size: 48px;
  margin-bottom: var(--space-3);
  line-height: 1;
}

.value-card h3 {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.value-content>p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
  line-height: var(--leading-relaxed);
}

.value-card ul {
  list-style: none;
  text-align: left;
  padding: 0;
  margin: 0;
}

.value-card li {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  padding-left: var(--space-4);
  margin-bottom: var(--space-2);
  position: relative;
  line-height: var(--leading-relaxed);
  word-break: keep-all;
}

.value-card li:last-child {
  margin-bottom: 0;
}

.value-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: var(--font-bold);
  font-size: 16px;
}

/* Question Section */
.question {
  background: var(--bg-section);
  padding: var(--section-padding) 0;
}

.question-title {
  font-size: 32px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 8px;
}

.question-subtitle {
  font-size: 18px;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: 48px;
  font-style: italic;
}

.question-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.question-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: var(--space-4);
  text-align: center;
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}

.question-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  color: white;
}

.question-icon.purple {
  background: linear-gradient(135deg, #8B5CF6 0%, #6D28D9 100%);
}

.question-card p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Agents Section */
.agents {
  background: var(--bg-dark);
}

.agents-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.agent-card {
  background: linear-gradient(180deg, rgba(20, 30, 50, 0.8) 0%, rgba(10, 15, 30, 0.9) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: var(--space-3) var(--space-4);
  transition: transform var(--transition-slow), box-shadow var(--transition-slow), border-color var(--transition-slow);
}

.agent-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
}

.agent-card.featured {
  background: linear-gradient(180deg, rgba(0, 50, 100, 0.4) 0%, rgba(0, 30, 60, 0.6) 100%);
  border-color: rgba(0, 102, 255, 0.3);
}

.agent-icon {
  font-size: 32px;
  margin-bottom: 16px;
}

.agent-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.agent-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
}

.agent-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.7;
}

.agent-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.tag {
  padding: 4px 12px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
  font-size: 11px;
  color: var(--text-muted);
}

.agent-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.agent-links a {
  font-size: 13px;
  color: var(--primary);
  transition: opacity 0.2s;
}

.agent-links a:hover {
  opacity: 0.8;
}

/* Process Section */
.process {
  background: var(--bg-section);
  padding: var(--section-padding) 0;
}

/* Process Venn Diagram */
.process.process-triangle {
  text-align: center;
}

.venn-diagram {
  position: relative;
  width: 580px;
  height: 520px;
  margin: var(--space-10) auto;
}

.venn-circle {
  position: absolute;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
}

.venn-circle.circle-a {
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(circle at 50% 35%, rgba(0, 102, 255, 0.28) 0%, rgba(0, 102, 255, 0.08) 70%);
  border: 2px solid rgba(0, 102, 255, 0.5);
}

.venn-circle.circle-b {
  bottom: 0;
  left: 20px;
  background: radial-gradient(circle at 35% 65%, rgba(59, 130, 246, 0.28) 0%, rgba(59, 130, 246, 0.08) 70%);
  border: 2px solid rgba(59, 130, 246, 0.5);
}

.venn-circle.circle-c {
  bottom: 0;
  right: 20px;
  background: radial-gradient(circle at 65% 65%, rgba(99, 102, 241, 0.28) 0%, rgba(99, 102, 241, 0.08) 70%);
  border: 2px solid rgba(99, 102, 241, 0.5);
}

.venn-circle:hover {
  transform: scale(1.03);
  z-index: 2;
}

.venn-circle.circle-a:hover {
  transform: translateX(-50%) scale(1.03);
}

.circle-label {
  text-align: center;
  padding: var(--space-4);
}

.circle-label h3 {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.circle-label .circle-subtitle {
  font-size: var(--text-sm);
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-3);
}

.circle-label .circle-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.5;
}

/* 중앙 교집합 */
.venn-center {
  position: absolute;
  top: 52%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 130px;
  height: 130px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.6) 0%, rgba(99, 102, 241, 0.6) 100%);
  border: 2px solid var(--primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  z-index: 10;
  box-shadow: 0 0 40px rgba(0, 102, 255, 0.5);
  animation: pulse-center 2.5s ease-in-out infinite;
}

@keyframes pulse-center {

  0%,
  100% {
    box-shadow: 0 0 40px rgba(0, 102, 255, 0.5);
  }

  50% {
    box-shadow: 0 0 60px rgba(0, 102, 255, 0.7);
  }
}

.venn-center .center-icon {
  font-size: 24px;
  color: white;
  margin-bottom: var(--space-1);
}

.venn-center h4 {
  font-size: var(--text-base);
  font-weight: var(--font-bold);
  color: white;
  line-height: 1.3;
  margin-bottom: var(--space-1);
}

.venn-center p {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.9);
}

.venn-summary {
  text-align: center;
  margin-top: var(--space-8);
}

.venn-summary p {
  font-size: var(--text-xl);
  color: var(--text-secondary);
}

.venn-summary strong {
  color: var(--primary);
}

/* 반응형 */
@media (max-width: 768px) {
  .venn-diagram {
    width: 380px;
    height: 360px;
  }

  .venn-circle {
    width: 180px;
    height: 180px;
  }

  .venn-circle.circle-b {
    left: 10px;
  }

  .venn-circle.circle-c {
    right: 10px;
  }

  .circle-label h3 {
    font-size: var(--text-base);
  }

  .circle-label .circle-subtitle {
    font-size: var(--text-xs);
    margin-bottom: var(--space-2);
  }

  .circle-label .circle-desc {
    font-size: var(--text-xs);
  }

  .venn-center {
    width: 100px;
    height: 100px;
  }

  .venn-center h4 {
    font-size: var(--text-sm);
  }
}

@media (max-width: 480px) {
  .venn-diagram {
    width: 300px;
    height: 280px;
  }

  .venn-circle {
    width: 140px;
    height: 140px;
  }

  .venn-circle.circle-b {
    left: 0;
  }

  .venn-circle.circle-c {
    right: 0;
  }

  .circle-label .circle-desc {
    display: none;
  }

  .venn-center {
    width: 80px;
    height: 80px;
  }

  .venn-center h4 {
    font-size: var(--text-xs);
  }
}

.process-header {
  margin-bottom: 48px;
}

.process-badge {
  display: inline-block;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.process-title {
  font-size: 40px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 24px;
}

.process-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.process-visual {
  margin-bottom: 60px;
  border-radius: 20px;
  overflow: hidden;
  max-width: 500px;
}

.process-visual img {
  width: 100%;
  height: auto;
  display: block;
}

.process-steps {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.process-step {
  padding: var(--space-4);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  transition: transform var(--transition-slow), border-color var(--transition-slow);
}

.step-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.step-icon {
  width: 40px;
  height: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.step-number {
  font-size: 14px;
  color: var(--text-muted);
}

.process-step h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
}

.process-step p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.step-tags {
  display: flex;
  gap: 8px;
}

/* Partners Section */
.partners {
  background: var(--bg-dark);
  padding: 60px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.partners-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 60px;
  flex-wrap: wrap;
}

.partner-item {
  font-size: 16px;
  color: var(--text-muted);
  opacity: 0.6;
  transition: opacity 0.2s;
}

.partner-item:hover {
  opacity: 1;
}

/* Features Section */
.features {
  background: var(--bg-section);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: rgba(15, 18, 25, 0.8);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: var(--space-3) var(--space-4);
  transition: transform var(--transition-slow), box-shadow var(--transition-slow), background var(--transition-slow), border-color var(--transition-slow);
  display: flex;
  flex-direction: column;
  min-height: 240px;
}

.feature-card:hover {
  background: rgba(20, 25, 35, 0.9);
  border-color: var(--border-light);
}

.feature-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 24px;
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.feature-icon.blue {
  background: linear-gradient(135deg, #3B82F6 0%, #1D4ED8 100%);
}

.feature-icon.green {
  background: linear-gradient(135deg, #10B981 0%, #059669 100%);
}

.feature-icon.yellow {
  background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
}

.feature-icon.pink {
  background: linear-gradient(135deg, #EC4899 0%, #DB2777 100%);
}

.feature-icon svg {
  width: 24px;
  height: 24px;
}

.feature-arrow {
  color: var(--text-muted);
  font-size: 18px;
  opacity: 0.5;
  transition: opacity 0.2s;
}

.feature-card:hover .feature-arrow {
  opacity: 1;
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.feature-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.feature-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-top: auto;
}

/* Use Cases Section */
.use-cases {
  background: var(--bg-dark);
  padding: var(--section-padding) 0;
}

/* Use Cases 2x2 Grid */
.use-cases-grid-2x2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.use-case-card-compact {
  display: flex;
  gap: var(--space-4);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: var(--space-5);
  transition: all var(--transition-base);
  text-decoration: none;
}

.use-case-card-compact:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: 0 10px 40px rgba(0, 102, 255, 0.1);
}

.use-case-card-compact .use-case-icon {
  font-size: 40px;
  flex-shrink: 0;
}

.use-case-card-compact .use-case-content {
  flex: 1;
}

.use-case-card-compact .use-case-label {
  font-size: var(--text-xs);
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: var(--space-1);
}

.use-case-card-compact h3 {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-1);
  color: var(--text-primary);
}

.use-case-card-compact p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-3);
}

.use-case-card-compact .use-case-highlight {
  color: var(--primary);
  font-weight: var(--font-semibold);
}

@media (max-width: 768px) {
  .use-cases-grid-2x2 {
    grid-template-columns: 1fr;
  }

  .use-case-card-compact {
    flex-direction: column;
    text-align: center;
  }
}

/* Legacy use-cases-list */
.use-cases-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.use-case-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}

.use-case-image {
  height: 300px;
  overflow: hidden;
}

.use-case-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.use-case-info {
  padding: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.use-case-info h3 {
  font-size: 18px;
  font-weight: 600;
}

.use-case-info h3 span {
  color: var(--text-muted);
  font-weight: 400;
}

.use-case-tags {
  display: flex;
  gap: 8px;
}

/* About Section */
.about {
  background: var(--bg-section);
  padding: var(--section-padding) 0;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-image-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(0, 102, 255, 0.1) 100%);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.5);
}

.about-image-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-badge {
  display: inline-block;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.about-title {
  font-size: 42px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}

.about-desc {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 40px;
  line-height: 1.8;
}

.about-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.6;
}

.check-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: var(--primary);
  border-radius: 50%;
  color: white;
  font-size: 12px;
  flex-shrink: 0;
  margin-top: 2px;
}

/* CTA Section */
.cta {
  background: var(--bg-dark);
  padding: var(--section-padding) 0;
}

.cta-box {
  background: linear-gradient(180deg, rgba(0, 50, 150, 0.3) 0%, rgba(0, 30, 100, 0.2) 100%);
  border: 1px solid rgba(0, 102, 255, 0.2);
  border-radius: 24px;
  padding: 60px;
  text-align: center;
}

.cta-badge {
  display: inline-block;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.cta-title {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.3;
}

.cta-highlight {
  color: var(--primary);
}

.cta-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.8;
}

/* Contact Form - Old */
.contact {
  background: var(--bg-section);
  padding: var(--section-padding) 0;
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.contact-form input,
.contact-form textarea {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 14px;
  transition: border-color 0.2s;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--text-muted);
}

.contact-form button {
  margin-top: 8px;
}

/* Contact Section - New */
.contact-section {
  position: relative;
  background: var(--bg-dark);
  padding: var(--section-padding) 0;
  overflow: hidden;
}

.contact-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.contact-glow {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  height: 60%;
  background: radial-gradient(ellipse 60% 40% at 50% 0%, rgba(0, 102, 255, 0.25) 0%, transparent 70%);
}

.contact-header {
  text-align: center;
  margin-bottom: 48px;
  position: relative;
  z-index: 1;
}

.contact-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 24px;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.badge-icon {
  background: var(--primary);
  color: white;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
}

.contact-title {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.contact-subtitle {
  font-size: 15px;
  color: var(--text-muted);
}

.contact-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 40px;
  position: relative;
  z-index: 1;
}

.contact-form-wrapper {
  background: rgba(10, 15, 25, 0.8);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
}

.contact-form-new {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 13px;
  color: var(--text-secondary);
}

.form-group label .optional {
  font-size: 11px;
  color: var(--text-muted);
  margin-left: 8px;
}

.form-row-new {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.contact-form-new input,
.contact-form-new textarea {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 14px;
  transition: border-color 0.2s;
}

.contact-form-new input:focus,
.contact-form-new textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.contact-form-new input::placeholder,
.contact-form-new textarea::placeholder {
  color: var(--text-muted);
}

.contact-form-new textarea {
  resize: vertical;
  min-height: 100px;
}

/* Form Validation Styles */
.required {
  color: #EF4444;
  font-weight: var(--font-bold);
}

.optional {
  color: var(--text-tertiary);
  font-size: var(--text-xs);
  font-weight: var(--font-normal);
}

.error-message {
  display: block;
  color: #EF4444;
  font-size: var(--text-xs);
  margin-top: var(--space-1);
  min-height: 18px;
}

.form-group.error input,
.form-group.error textarea {
  border-color: #EF4444;
  background: rgba(239, 68, 68, 0.05);
}

.form-group.success input,
.form-group.success textarea {
  border-color: #10B981;
}

.success-message {
  background: #10B981;
  color: white;
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  text-align: center;
  font-weight: var(--font-medium);
  margin-bottom: var(--space-4);
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.btn-submit {
  width: 100%;
  padding: 16px;
  font-size: 15px;
  font-weight: 600;
  margin-top: 8px;
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.info-card {
  background: rgba(10, 15, 25, 0.8);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 24px;
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}

.info-icon {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  color: var(--primary);
}

.info-icon.email-icon {
  position: relative;
}

.badge-24 {
  background: var(--primary);
  color: white;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 10px;
  font-weight: 600;
}

.info-card h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.info-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.info-card .address-text {
  font-size: 13px;
}

/* Contact Page */
.contact-page {
  padding-top: 160px;
}

/* Footer */
.footer {
  background: var(--bg-dark);
  padding: 60px 0 40px;
  border-top: 1px solid var(--border);
}

.footer-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr 0.8fr;
  gap: 60px;
}

.footer-info h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
}

.footer-info p {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.footer-brand {
  text-align: center;
}

.footer-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.footer-logo-img {
  height: 100px;
  width: auto;
}

.footer-logo-text {
  font-size: 28px;
  font-weight: var(--font-medium);
  letter-spacing: 0.05em;
}

.footer-brand>p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.footer-links h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
}

.footer-links a {
  display: block;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 12px;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--text-primary);
}

/* Company Page */
.coffee-chat {
  padding: 120px 0 60px;
  background: var(--bg-dark);
}

.coffee-label {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.coffee-card {
  background: linear-gradient(180deg, rgba(0, 50, 150, 0.2) 0%, rgba(0, 30, 100, 0.1) 100%);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px;
  max-width: 500px;
}

.coffee-badge {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.coffee-card h2 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.3;
}

.coffee-desc {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

/* Company Questions - New Design */
.company-questions-new {
  padding: 160px 0 var(--section-padding);
  background: var(--bg-dark);
  text-align: center;
}

.questions-main-title {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  line-height: 1.4;
  margin-bottom: var(--space-6);
  color: var(--text-primary);
}

.questions-main-title .title-sub {
  font-size: var(--text-2xl);
  color: var(--text-secondary);
  font-weight: var(--font-medium);
}

/* 3D Sphere Styles */
.spheres-hero {
  position: relative;
  height: 350px;
  margin: var(--space-8) auto;
  max-width: 600px;
  overflow: hidden;
}

.sphere-3d {
  position: absolute;
  border-radius: 50%;
  background: linear-gradient(135deg, #1a3a52 0%, #0d2535 50%, #051520 100%);
  box-shadow:
    inset -10px -10px 30px rgba(0, 0, 0, 0.5),
    inset 5px 5px 20px rgba(100, 200, 255, 0.1);
  animation: sphere-float 6s ease-in-out infinite;
  will-change: transform;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

@keyframes sphere-float {

  0%,
  100% {
    transform: var(--base-transform, none) translateY(0);
  }

  50% {
    transform: var(--base-transform, none) translateY(-15px);
  }
}

/* Sphere positions for spheres-hero */
.sphere-pos-1 {
  top: 50%;
  left: 10%;
  --base-transform: translateY(-50%) rotate(-45deg);
  animation-delay: 0s;
}

.sphere-pos-2 {
  top: 15%;
  left: 25%;
  --base-transform: rotate(30deg);
  animation-delay: 0.8s;
}

.sphere-pos-3 {
  top: 50%;
  left: 50%;
  --base-transform: translate(-50%, -50%) rotate(5deg);
  animation-delay: 0.3s;
}

.sphere-pos-4 {
  top: 20%;
  right: 25%;
  --base-transform: rotate(-20deg);
  animation-delay: 1.2s;
}

.sphere-pos-5 {
  top: 50%;
  right: 10%;
  --base-transform: translateY(-50%) rotate(40deg);
  animation-delay: 0.6s;
}

/* Multi-spheres positions */
.multi-pos-1 {
  top: 30%;
  left: 15%;
  --base-transform: rotate(-25deg);
  animation-delay: 0.4s;
}

.multi-pos-2 {
  top: 10%;
  left: 45%;
  --base-transform: rotate(20deg);
  animation-delay: 0s;
}

.multi-pos-3 {
  top: 25%;
  right: 15%;
  --base-transform: rotate(-10deg);
  animation-delay: 0.9s;
}

.multi-pos-4 {
  top: 50%;
  left: 50%;
  --base-transform: translateX(-50%) rotate(15deg);
  animation-delay: 0.2s;
}

.sphere-3d::before,
.sphere-3d::after {
  content: '';
  position: absolute;
  border: 2px solid rgba(100, 220, 255, 0.6);
  border-radius: 50%;
  top: 50%;
  left: 50%;
}

.sphere-3d::before {
  width: 120%;
  height: 40%;
  transform: translate(-50%, -50%) rotateX(70deg);
}

.sphere-3d::after {
  width: 130%;
  height: 45%;
  border-color: rgba(100, 220, 255, 0.3);
  transform: translate(-50%, -50%) rotateX(70deg) translateZ(5px);
}

.sphere-3d.tiny {
  width: 40px;
  height: 40px;
  animation-delay: 0s;
  animation-duration: 5s;
}

.sphere-3d.small {
  width: 60px;
  height: 60px;
  animation-delay: 1s;
  animation-duration: 6s;
}

.sphere-3d.medium {
  width: 80px;
  height: 80px;
  animation-delay: 2s;
  animation-duration: 7s;
}

.sphere-3d.large {
  width: 120px;
  height: 120px;
  animation-delay: 0.5s;
  animation-duration: 8s;
}

/* Sphere ring animations */
.sphere-3d::before {
  animation: ring-rotate 10s linear infinite;
}

.sphere-3d::after {
  animation: ring-rotate 12s linear infinite reverse;
}

@keyframes ring-rotate {
  0% {
    transform: translate(-50%, -50%) rotateX(70deg) rotateZ(0deg);
  }

  100% {
    transform: translate(-50%, -50%) rotateX(70deg) rotateZ(360deg);
  }
}

/* Question Cards V2 - Dark Theme */
.question-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  max-width: 800px;
  margin: var(--space-8) auto;
}

.question-card-v2 {
  background: rgba(20, 40, 70, 0.85);
  border: 1px solid rgba(0, 102, 255, 0.4);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  text-align: center;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  min-height: 160px;
  justify-content: center;
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 20px rgba(0, 102, 255, 0.15);
}

.question-card-v2:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: 0 8px 32px rgba(0, 102, 255, 0.25);
  background: rgba(25, 50, 90, 0.9);
}

.question-card-v2 .card-icon-wrapper {
  color: var(--primary);
  opacity: 0.9;
}

.question-card-v2 .card-text {
  font-size: var(--text-base);
  color: var(--text-primary);
  line-height: 1.6;
  font-weight: var(--font-medium);
  margin: 0;
  word-break: keep-all;
}

/* Legacy Question Cards - Light Style */
.question-cards-row {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  margin-bottom: var(--space-4);
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.question-card-light {
  flex: 1;
  max-width: 280px;
  background: linear-gradient(180deg, #e8f4ff 0%, #f5faff 100%);
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  padding: var(--space-6) var(--space-4);
  text-align: center;
  transition: all var(--transition-base);
}

.question-card-light.active {
  border-color: var(--primary);
  box-shadow: 0 0 20px rgba(0, 102, 255, 0.2);
}

.question-card-light .card-icon {
  color: var(--primary);
  margin-bottom: var(--space-4);
}

.question-card-light .card-icon.small svg {
  opacity: 0.6;
}

.question-card-light .card-question {
  font-size: var(--text-sm);
  color: #1a1a2e;
  line-height: 1.6;
  font-weight: var(--font-medium);
}

/* Answer Section */
.answer-section {
  text-align: center;
  padding: var(--space-12) 0;
}

.answer-dot {
  font-size: var(--text-xl);
  color: var(--text-muted);
  margin-bottom: var(--space-3);
}

.answer-title {
  font-size: var(--text-2xl);
  font-weight: var(--font-semibold);
  line-height: 1.4;
  margin-bottom: var(--space-8);
  color: var(--text-primary);
}

/* Sphere with Rings */
.sphere-with-rings {
  position: relative;
  width: 120px;
  height: 120px;
  margin: 0 auto;
  animation: sphere-pulse 4s ease-in-out infinite;
}

@keyframes sphere-pulse {

  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.05);
  }
}

.sphere-ring {
  position: absolute;
  border: 2px solid rgba(100, 220, 255, 0.6);
  border-radius: 50%;
  top: 50%;
  left: 50%;
}

.sphere-ring.ring-1 {
  width: 140%;
  height: 50%;
  transform: translate(-50%, -50%) rotateX(70deg);
  animation: ring-spin 8s linear infinite;
}

.sphere-ring.ring-2 {
  width: 150%;
  height: 55%;
  border-color: rgba(100, 220, 255, 0.3);
  transform: translate(-50%, -50%) rotateX(70deg) translateZ(8px);
  animation: ring-spin 10s linear infinite reverse;
}

@keyframes ring-spin {
  0% {
    transform: translate(-50%, -50%) rotateX(70deg) rotateZ(0deg);
  }

  100% {
    transform: translate(-50%, -50%) rotateX(70deg) rotateZ(360deg);
  }
}

.sphere-core {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: linear-gradient(135deg, #1a3a52 0%, #0d2535 50%, #051520 100%);
  box-shadow:
    inset -10px -10px 30px rgba(0, 0, 0, 0.5),
    inset 5px 5px 20px rgba(100, 200, 255, 0.1);
  animation: core-glow 3s ease-in-out infinite;
}

@keyframes core-glow {

  0%,
  100% {
    box-shadow: inset -10px -10px 30px rgba(0, 0, 0, 0.5), inset 5px 5px 20px rgba(100, 200, 255, 0.1), 0 0 20px rgba(0, 102, 255, 0.2);
  }

  50% {
    box-shadow: inset -10px -10px 30px rgba(0, 0, 0, 0.5), inset 5px 5px 20px rgba(100, 200, 255, 0.2), 0 0 40px rgba(0, 102, 255, 0.4);
  }
}

/* Brand Story - New Design */
.brand-story-new {
  padding: var(--section-padding) 0;
  background: var(--bg-dark);
  text-align: center;
}

.story-section {
  margin-bottom: var(--space-16);
}

.story-title {
  font-size: var(--text-2xl);
  font-weight: var(--font-semibold);
  line-height: 1.4;
  margin-bottom: var(--space-6);
  color: var(--text-primary);
}

.story-title.highlight {
  color: var(--primary);
}

/* Multi Spheres Layout */
.multi-spheres {
  position: relative;
  height: 300px;
  max-width: 600px;
  margin: var(--space-8) auto;
}

/* Filled Sphere */
.filled-sphere {
  display: flex;
  justify-content: center;
  margin: var(--space-8) auto;
}

.sphere-solid {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: linear-gradient(135deg, #3a7bd5 0%, #1a4a80 50%, #0d2a4a 100%);
  box-shadow:
    0 0 60px rgba(59, 130, 246, 0.3),
    inset -15px -15px 40px rgba(0, 0, 0, 0.4),
    inset 10px 10px 30px rgba(100, 180, 255, 0.2);
  animation: solid-sphere-breathe 5s ease-in-out infinite;
}

@keyframes solid-sphere-breathe {

  0%,
  100% {
    transform: scale(1);
    box-shadow: 0 0 60px rgba(59, 130, 246, 0.3), inset -15px -15px 40px rgba(0, 0, 0, 0.4), inset 10px 10px 30px rgba(100, 180, 255, 0.2);
  }

  50% {
    transform: scale(1.08);
    box-shadow: 0 0 80px rgba(59, 130, 246, 0.5), inset -15px -15px 40px rgba(0, 0, 0, 0.4), inset 10px 10px 30px rgba(100, 180, 255, 0.3);
  }
}

/* Connect Section */
.connect-section {
  padding: var(--space-8) 0;
}

.connect-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
}

.connect-dots {
  display: flex;
  align-items: center;
  gap: 0;
}

.connect-dots .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary);
  animation: dot-pulse 2s ease-in-out infinite;
}

.connect-dots .dot:first-child {
  animation-delay: 0s;
}

.connect-dots .dot:last-child {
  animation-delay: 0.5s;
}

@keyframes dot-pulse {

  0%,
  100% {
    transform: scale(1);
    box-shadow: 0 0 0 rgba(0, 102, 255, 0);
  }

  50% {
    transform: scale(1.3);
    box-shadow: 0 0 15px rgba(0, 102, 255, 0.6);
  }
}

.connect-dots .dot-line {
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), rgba(0, 102, 255, 0.3));
  position: relative;
  overflow: hidden;
}

.connect-dots .dot-line::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
  animation: line-shimmer 2s ease-in-out infinite;
}

@keyframes line-shimmer {
  0% {
    left: -100%;
  }

  100% {
    left: 100%;
  }
}

/* Brand Logo Versions */
.brand-logos-section {
  display: flex;
  justify-content: center;
  gap: var(--space-12);
  margin-top: var(--space-16);
  flex-wrap: wrap;
}

.brand-logo-version {
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.4s ease;
}

.brand-logo-version:hover {
  transform: scale(1.05);
}

.brand-logo-img {
  max-width: 300px;
  height: auto;
  transition: all 0.4s ease;
}

.brand-logo-version:hover .brand-logo-img {
  filter: brightness(1.1);
}

/* Legacy Logo Sphere (unused) */
.logo-sphere-container {
  position: relative;
  width: 80px;
  height: 80px;
}

.logo-sphere {
  width: 100%;
  height: 100%;
  border-radius: 50%;
}

.logo-sphere.dark {
  background: linear-gradient(135deg, #1a3a52 0%, #0d2535 50%, #051520 100%);
  box-shadow:
    inset -8px -8px 20px rgba(0, 0, 0, 0.5),
    inset 4px 4px 15px rgba(100, 200, 255, 0.1);
}

.logo-sphere.light {
  background: linear-gradient(135deg, #5a9ad5 0%, #3a7ab5 50%, #2a6090 100%);
  box-shadow:
    inset -8px -8px 20px rgba(0, 0, 0, 0.3),
    inset 4px 4px 15px rgba(200, 230, 255, 0.3);
}

.logo-arcs {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 100%;
  transform: translateY(-50%);
}

.logo-arcs .arc {
  position: absolute;
  border: 2px solid rgba(100, 220, 255, 0.7);
  border-radius: 50%;
  width: 110%;
  height: 100%;
  left: -15%;
  top: 0;
  border-right-color: transparent;
  border-top-color: transparent;
  transform: rotate(-30deg);
}

.logo-arcs .arc.arc-2 {
  width: 120%;
  left: -20%;
  border-color: rgba(100, 220, 255, 0.4);
  border-right-color: transparent;
  border-top-color: transparent;
}

.logo-arcs.light .arc {
  border-color: rgba(150, 200, 255, 0.5);
  border-right-color: transparent;
  border-top-color: transparent;
}

.logo-text {
  display: flex;
  flex-direction: column;
  font-size: 28px;
  font-weight: var(--font-light);
  letter-spacing: 0.1em;
  color: #1a3a52;
  line-height: 1.1;
}

.logo-text.light {
  color: rgba(100, 180, 220, 0.6);
}

.logo-text span:last-child {
  margin-left: 0.2em;
}

/* Legacy Company Questions - keep for compatibility */
.company-questions {
  padding: var(--section-padding) 0;
  background: var(--bg-section);
  text-align: center;
}

.questions-title {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 40px;
  line-height: 1.4;
}

.questions-icon-large {
  color: var(--primary);
  margin-bottom: 40px;
}

.questions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  max-width: 900px;
  margin: 0 auto 60px;
}

.question-card-company {
  background: rgba(20, 30, 50, 0.5);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: var(--radius-card);
  padding: 32px 24px;
  text-align: center;
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}

.question-icon-small {
  color: var(--primary);
  margin-bottom: 20px;
}

.question-card-company p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.funnel-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 40px 0;
}

.funnel-ring {
  width: 200px;
  height: 40px;
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 50%;
  transform: rotateX(70deg);
}

.funnel-ring:nth-child(2) {
  width: 160px;
}

.funnel-ring:nth-child(3) {
  width: 120px;
}

.funnel-ring:nth-child(4) {
  width: 80px;
}

/* Responsive: Company sections */
@media (max-width: 768px) {
  .questions-main-title {
    font-size: var(--text-2xl);
  }

  .questions-main-title .title-sub {
    font-size: var(--text-lg);
  }

  .spheres-hero {
    height: 250px;
  }

  .sphere-3d.large {
    width: 100px;
    height: 100px;
  }

  .question-cards-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2);
  }

  .question-card-v2 {
    min-height: 130px;
    padding: var(--space-4);
  }

  .question-card-v2 .card-text {
    font-size: var(--text-sm);
  }

  .question-cards-row {
    flex-direction: column;
    align-items: center;
  }

  .question-card-light {
    max-width: 100%;
    width: 100%;
  }

  .culture-gallery {
    grid-template-columns: 1fr;
  }

  .culture-image-card.large {
    grid-row: auto;
  }

  .culture-image-overlay {
    opacity: 1;
    background: rgba(0, 0, 0, 0.5);
    padding: var(--space-2);
  }

  .culture-image-overlay .overlay-text {
    font-size: var(--text-sm);
    line-height: 1.4;
  }

  .culture-image-card.large .overlay-text {
    font-size: var(--text-base);
  }

  .story-title {
    font-size: var(--text-xl);
  }

  .connect-flow {
    flex-direction: column;
    gap: var(--space-4);
  }

  .connect-flow .story-title {
    text-align: center !important;
  }

  .connect-dots .dot-line {
    width: 2px;
    height: 40px;
  }

  .connect-dots {
    flex-direction: column;
  }

  .brand-logos-section {
    flex-direction: column;
    align-items: center;
    gap: var(--space-8);
  }

  .multi-spheres {
    height: 220px;
  }
}

/* Brand Story */
.brand-story {
  padding: var(--section-padding) 0;
  background: var(--bg-dark);
  text-align: center;
}

.story-item {
  margin-bottom: 80px;
}

.story-dot {
  font-size: 24px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.story-item h3 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 32px;
  line-height: 1.4;
}

.story-circle {
  width: 80px;
  height: 80px;
  border: 2px solid var(--text-muted);
  border-radius: 50%;
  margin: 0 auto;
}

.story-circle.filled {
  background: var(--primary);
  border-color: var(--primary);
}

.story-rings {
  display: flex;
  justify-content: center;
  gap: -20px;
}

.story-rings .ring {
  width: 60px;
  height: 60px;
  border: 2px solid var(--text-muted);
  border-radius: 50%;
}

.story-rings .ring:last-child {
  margin-left: -20px;
}

.story-item.connect h3 {
  font-size: 20px;
}

.story-item.connect .answer {
  margin-top: 40px;
}

.story-dots-line {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 20px 0;
}

.story-dots-line span {
  width: 12px;
  height: 12px;
  background: var(--text-muted);
  border-radius: 50%;
}

.brand-logos {
  display: flex;
  justify-content: center;
  gap: 60px;
  margin-top: 80px;
}

.brand-logo-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 24px;
  font-weight: 700;
  color: var(--text-muted);
}

.brand-logo-item.filled {
  color: var(--primary);
}

.brand-logo-item.filled .logo-icon {
  color: var(--primary);
}

/* History - Detailed Timeline */
.history-detailed {
  padding: var(--section-padding) 0;
  background: var(--bg-dark);
}

.history-main-title {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-8);
  color: var(--text-primary);
}

.timeline-vertical {
  position: relative;
  max-width: 600px;
  margin-left: auto;
}

/* Vertical line */
.timeline-vertical::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--primary), rgba(0, 102, 255, 0.3));
}

.timeline-quarter {
  position: relative;
  padding-left: var(--space-6);
  padding-bottom: var(--space-8);
}

.timeline-quarter:last-child {
  padding-bottom: 0;
}

/* Quarter marker dot */
.quarter-marker {
  position: absolute;
  left: -6px;
  top: 8px;
  width: 14px;
  height: 14px;
  background: var(--primary);
  border: 3px solid var(--bg-dark);
  border-radius: 50%;
  z-index: 1;
}

.quarter-content {
  padding-left: var(--space-4);
}

.quarter-title {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: #D4A84B;
  margin-bottom: var(--space-4);
}

.project-group {
  margin-bottom: var(--space-4);
}

.project-group:last-child {
  margin-bottom: 0;
}

.group-title {
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.project-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.project-list li {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  padding-left: var(--space-2);
  margin-bottom: 4px;
  line-height: 1.5;
}

.project-list li.highlight {
  color: #F59E0B;
  font-weight: var(--font-medium);
}

.project-list li.ongoing {
  color: #22c55e;
  font-weight: var(--font-medium);
}

/* New History Timeline (unused) */
.history-timeline {
  max-width: 900px;
  margin: 0 auto;
}

.history-year {
  margin-bottom: var(--space-10);
}

.history-year:last-child {
  margin-bottom: 0;
}

.year-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.year-title {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  color: var(--primary);
  flex-shrink: 0;
}

.year-line {
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), rgba(0, 102, 255, 0.1));
}

.history-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.history-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  background: rgba(20, 35, 60, 0.5);
  border-radius: var(--radius-md);
  border-left: 3px solid rgba(0, 102, 255, 0.3);
  transition: all var(--transition-base);
}

.history-item:hover {
  background: rgba(25, 45, 80, 0.7);
  border-left-color: var(--primary);
  transform: translateX(5px);
}

.history-item.ongoing {
  border-left-color: #22c55e;
  background: rgba(34, 197, 94, 0.1);
}

.history-item.ongoing:hover {
  background: rgba(34, 197, 94, 0.15);
  border-left-color: #22c55e;
}

.history-item.milestone {
  border-left-color: #f59e0b;
  background: rgba(245, 158, 11, 0.1);
}

.history-item.milestone:hover {
  background: rgba(245, 158, 11, 0.15);
  border-left-color: #f59e0b;
}

.item-date {
  flex-shrink: 0;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  font-family: 'Pretendard', monospace;
  min-width: 110px;
}

.item-client {
  flex-shrink: 0;
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  color: var(--primary);
  min-width: 140px;
}

.item-desc {
  flex: 1;
  font-size: var(--text-base);
  color: var(--text-primary);
  line-height: 1.5;
}

.item-milestone {
  flex: 1;
  font-size: var(--text-base);
  font-weight: var(--font-bold);
  color: #f59e0b;
}

/* Responsive History */
@media (max-width: 768px) {
  .history-detailed {
    padding-left: var(--space-3);
    padding-right: var(--space-3);
  }

  .history-detailed .container {
    padding: 0 var(--space-2);
  }

  .history-detailed .history-main-title {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-4);
  }

  .history-item {
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-3);
    margin-left: var(--space-2);
    margin-right: var(--space-2);
  }

  .item-date {
    min-width: auto;
  }

  .item-client {
    min-width: auto;
  }

  .year-title {
    font-size: var(--text-xl);
    padding-left: var(--space-2);
  }
}

/* Legacy History styles */
.history {
  padding: var(--section-padding) 0;
  background: var(--bg-section);
}

.history-title {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 60px;
}

.timeline {
  position: relative;
  padding-left: 200px;
}

.timeline-center {
  max-width: 800px;
  margin: var(--space-8) auto 0;
  position: relative;
}

/* Center vertical line */
.timeline-center::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, transparent, var(--primary), transparent);
  transform: translateX(-50%);
}

.timeline-center .timeline-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
  position: relative;
}

/* Odd items: year on left, content on right */
.timeline-center .timeline-item:nth-child(odd) .timeline-year {
  grid-column: 1;
  text-align: right;
}

.timeline-center .timeline-item:nth-child(odd) .timeline-content {
  grid-column: 2;
  text-align: left;
}

/* Even items: year on right, content on left */
.timeline-center .timeline-item:nth-child(even) .timeline-year {
  grid-column: 2;
  text-align: left;
}

.timeline-center .timeline-item:nth-child(even) .timeline-content {
  grid-column: 1;
  text-align: right;
}

.timeline-year {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--primary);
  display: flex;
  align-items: center;
}

.timeline-center .timeline-item:nth-child(odd) .timeline-year {
  justify-content: flex-end;
}

.timeline-center .timeline-item:nth-child(even) .timeline-year {
  justify-content: flex-start;
}

/* Center dot */
.timeline-center .timeline-item::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 16px;
  height: 16px;
  background: var(--primary);
  border: 3px solid var(--bg-dark);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
}

.timeline-content h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-1);
  color: var(--text-primary);
}

.timeline-content p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* Mobile timeline */
@media (max-width: 768px) {
  .timeline-center::before {
    left: 20px;
  }

  .timeline-center .timeline-item {
    grid-template-columns: 1fr;
    padding-left: 50px;
  }

  .timeline-center .timeline-item::after {
    left: 20px;
  }

  .timeline-year,
  .timeline-content {
    grid-column: 1 !important;
    text-align: left !important;
    justify-content: flex-start !important;
  }

  .timeline-vertical {
    margin-left: 0;
  }
}

/* Culture */
.culture {
  padding: var(--section-padding) 0;
  background: var(--bg-dark);
}

.culture-title {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 8px;
}

.culture-subtitle {
  font-size: 24px;
  color: #D4A84B;
  font-style: italic;
  margin-bottom: 48px;
}

.culture-gallery {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

/* Culture Image Card with Hover Overlay */
.culture-image-card {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;
}

.culture-image-card.large {
  grid-row: span 2;
}

.culture-image-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.culture-image-card:hover img {
  transform: scale(1.05);
}

.culture-image-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.culture-image-card:hover .culture-image-overlay {
  opacity: 1;
}

.culture-image-overlay .overlay-text {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  text-align: center;
  line-height: 1.5;
  margin: 0;
}

.culture-image-card.large .overlay-text {
  font-size: var(--text-xl);
}

/* STAIR Overlay */
.stair-overlay {
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
}

.stair-overlay .overlay-title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--primary);
  margin: 0;
}

.stair-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.stair-item {
  font-size: var(--text-base);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
}

.stair-item span {
  color: var(--primary);
  font-weight: var(--font-bold);
  font-size: var(--text-lg);
}

/* STAIR Journey */
.stair-journey {
  margin-top: var(--space-16);
  text-align: center;
}

.journey-container {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: var(--space-8) var(--space-6);
  position: relative;
  min-height: 420px;
}

/* 배경 그라데이션 */
.journey-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(5, 10, 25, 0.95) 0%, rgba(15, 40, 80, 0.5) 100%);
  border-radius: var(--radius-xl);
  z-index: 0;
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.journey-container.animate .journey-bg {
  opacity: 1;
  transform: scale(1);
}

/* 연결선 SVG */
.journey-line {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}

.journey-path {
  stroke-dasharray: 2000;
  stroke-dashoffset: 2000;
}

/* 스크롤 시 선 그리기 애니메이션 트리거 */
.journey-container.animate .journey-path {
  animation: drawLine 2.5s ease-out forwards;
}

@keyframes drawLine {
  to {
    stroke-dashoffset: 0;
  }
}

.journey-dot {
  filter: drop-shadow(0 0 10px rgba(0, 102, 255, 1));
}

/* 시작점 (하단 좌측) */
.journey-start {
  flex-shrink: 0;
  z-index: 2;
  align-self: flex-end;
  padding-bottom: var(--space-4);
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.journey-container.animate .journey-start {
  opacity: 1;
  transform: translateX(0);
}

/* 도착점 (상단 우측) */
.journey-end {
  flex-shrink: 0;
  z-index: 2;
  align-self: flex-start;
  padding-top: var(--space-4);
  opacity: 0;
  transform: translateX(20px);
  transition: opacity 0.8s ease 1.5s, transform 0.8s ease 1.5s;
}

.journey-container.animate .journey-end {
  opacity: 1;
  transform: translateX(0);
}

.journey-point {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  position: relative;
}

.journey-point.start .point-icon {
  font-size: 20px;
  color: rgba(150, 180, 220, 0.8);
}

.journey-point.start .point-label {
  font-size: var(--text-base);
  font-weight: var(--font-bold);
  color: rgba(200, 220, 255, 0.9);
  white-space: nowrap;
}

.journey-point.highlight {
  position: relative;
}

.journey-point.highlight .point-icon {
  font-size: 56px;
  color: var(--primary);
  text-shadow: 0 0 40px rgba(0, 102, 255, 1);
  animation: starPulse 2s ease-in-out infinite;
  z-index: 2;
  position: relative;
}

@keyframes starPulse {

  0%,
  100% {
    transform: scale(1);
    text-shadow: 0 0 40px rgba(0, 102, 255, 1);
  }

  50% {
    transform: scale(1.2);
    text-shadow: 0 0 60px rgba(0, 102, 255, 1), 0 0 100px rgba(59, 130, 246, 0.8);
  }
}

/* 별 글로우 효과 */
.star-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(0, 102, 255, 0.5) 0%, transparent 70%);
  border-radius: 50%;
  animation: glowPulse 2s ease-in-out infinite;
  z-index: 1;
}

@keyframes glowPulse {

  0%,
  100% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.7;
  }

  50% {
    transform: translate(-50%, -50%) scale(1.6);
    opacity: 1;
  }
}

.journey-point.highlight .point-label {
  font-size: var(--text-xl);
  color: var(--primary);
  font-weight: var(--font-bold);
  text-shadow: 0 0 25px rgba(0, 102, 255, 0.7);
  margin-top: var(--space-2);
}

/* STAIR 경로 */
.stair-path {
  flex: 1;
  max-width: 650px;
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
}

.stair-cards {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: var(--space-2);
}

/* 카드 래퍼 */
.stair-card-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  opacity: 0;
  transform: translateY(30px);
}

/* 스크롤 시 애니메이션 트리거 (50% 보일 때) */
.journey-container.animate .stair-card-wrapper {
  animation: cardAppear 0.6s ease-out forwards;
}

.journey-container.animate .stair-card-wrapper[data-step="1"] {
  animation-delay: 0.3s;
}

.journey-container.animate .stair-card-wrapper[data-step="2"] {
  animation-delay: 0.5s;
}

.journey-container.animate .stair-card-wrapper[data-step="3"] {
  animation-delay: 0.7s;
}

.journey-container.animate .stair-card-wrapper[data-step="4"] {
  animation-delay: 0.9s;
}

.journey-container.animate .stair-card-wrapper[data-step="5"] {
  animation-delay: 1.1s;
}

@keyframes cardAppear {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 상단 STAIR 글자 */
.stair-letter-top {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--primary);
  text-shadow: 0 0 20px rgba(0, 102, 255, 0.7);
  margin-bottom: var(--space-2);
}

.stair-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  background: rgba(15, 25, 50, 0.95);
  border: 1px solid rgba(0, 102, 255, 0.5);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  width: 110px;
}

.stair-card-wrapper:hover .stair-card {
  background: rgba(20, 45, 90, 0.98);
  border-color: var(--primary);
  transform: translateY(-8px);
  box-shadow:
    0 15px 35px rgba(0, 102, 255, 0.5),
    0 0 25px rgba(0, 102, 255, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.stair-card-wrapper:hover .stair-letter-top {
  transform: scale(1.1);
  text-shadow: 0 0 30px rgba(0, 102, 255, 1);
}

/* 계단 높이 */
.stair-card.step-1 {
  height: 70px;
}

.stair-card.step-2 {
  height: 95px;
}

.stair-card.step-3 {
  height: 120px;
}

.stair-card.step-4 {
  height: 145px;
}

.stair-card.step-5 {
  height: 170px;
}

.stair-card .card-word {
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
  text-align: center;
  word-break: keep-all;
  line-height: 1.3;
}

.stair-card .card-desc {
  font-size: 11px;
  color: rgba(200, 220, 255, 0.85);
  margin: 0;
  line-height: 1.5;
  text-align: center;
  word-break: keep-all;
}

/* THINK GLOBALLY 라벨 (하단) */
.path-label {
  margin-top: var(--space-4);
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: rgba(200, 220, 255, 0.8);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  border-top: 1px solid rgba(0, 102, 255, 0.4);
  padding-top: var(--space-3);
}

/* Responsive STAIR Journey */
@media (max-width: 768px) {
  .journey-container {
    flex-direction: column;
    align-items: center;
    gap: var(--space-6);
    min-height: auto;
    padding: var(--space-6) var(--space-4);
  }

  .journey-line {
    display: none;
  }

  .journey-start {
    order: 1;
    align-self: center;
    padding-bottom: 0;
  }

  .stair-path {
    order: 2;
  }

  .journey-end {
    order: 3;
    align-self: center;
    padding-top: 0;
  }

  .stair-cards {
    flex-wrap: wrap;
    align-items: stretch;
    gap: var(--space-2);
  }

  .stair-card-wrapper {
    width: calc(33% - var(--space-2));
  }

  .stair-card {
    width: 100%;
    height: auto !important;
    min-height: 70px;
  }

  .stair-card.step-1,
  .stair-card.step-2,
  .stair-card.step-3,
  .stair-card.step-4,
  .stair-card.step-5 {
    height: auto !important;
  }

  .stair-letter-top {
    font-size: var(--text-2xl);
  }

  .path-label {
    font-size: var(--text-base);
  }

  .journey-point.start .point-label,
  .journey-point.highlight .point-label {
    font-size: var(--text-base);
  }

  .journey-point.highlight .point-icon {
    font-size: 40px;
  }

  .star-glow {
    width: 70px;
    height: 70px;
  }

  /* 모바일에서 STAIR 애니메이션 비활성화 */
  .journey-container .journey-bg {
    opacity: 1;
    transform: scale(1);
  }

  .journey-container .journey-start,
  .journey-container .journey-end {
    opacity: 1;
    transform: translateX(0);
  }

  .journey-container .stair-card-wrapper {
    opacity: 1;
    transform: translateY(0);
    animation: none !important;
  }

  .journey-container.animate .stair-card-wrapper {
    animation: none !important;
  }

  .journey-container.animate .journey-path {
    animation: none !important;
    stroke-dashoffset: 0;
  }
}

/* Legacy styles */
.culture-images {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
}

.culture-image {
  border-radius: 16px;
  overflow: hidden;
}

.culture-image.large {
  grid-row: span 2;
}

.culture-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Legacy culture-values */
.culture-values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 32px;
}

.culture-value {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}

.culture-value p {
  font-size: 14px;
  color: var(--text-secondary);
}

.culture-btn {
  margin-top: 16px;
}

/* Team */
.team {
  padding: var(--section-padding) 0;
  background: var(--bg-section);
}

.team-title {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 48px;
}

/* Team Section - New Design */
.team-subtitle {
  text-align: center;
  font-size: var(--text-lg);
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
}

.team-grid-new {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.team-card-new {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: var(--space-5);
  transition: all var(--transition-base);
}

.team-card-new:hover {
  border-color: rgba(100, 150, 200, 0.4);
  transform: translateY(-4px);
}

.team-card-new.featured {
  border-color: var(--primary);
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.1) 0%, var(--bg-card) 100%);
}

.team-card-new.advisor {
  border-style: dashed;
}

.team-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border);
}

.team-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary) 0%, #3b82f6 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.team-avatar span {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: white;
}

.team-name-role h4 {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-1);
}

.team-role {
  font-size: var(--text-xs);
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.team-bio ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.team-bio ul li {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
  padding-left: var(--space-4);
  position: relative;
  line-height: 1.5;
}

.team-bio ul li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--text-muted);
}

@media (max-width: 1024px) {
  .team-grid-new {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .team-grid-new {
    grid-template-columns: 1fr;
  }
}

/* Legacy Team Grid */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.team-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}

.team-image {
  height: 280px;
  overflow: hidden;
}

.team-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-info {
  padding: 20px;
  background: rgba(20, 30, 50, 0.8);
  display: flex;
  align-items: center;
  gap: 12px;
}

.team-info h4 {
  font-size: 16px;
  font-weight: 600;
}

.team-info p {
  font-size: 13px;
  color: var(--text-muted);
  flex: 1;
}

.team-icon {
  width: 36px;
  height: 36px;
  background: var(--bg-card);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

/* Join CTA */
.join-cta {
  padding: var(--section-padding) 0;
  background: var(--bg-dark);
  text-align: center;
}

.join-cta h2 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 32px;
  line-height: 1.4;
}

/* Solution Page */
.solution-hero {
  position: relative;
  padding: 160px 0 80px;
  text-align: center;
  overflow: hidden;
}

.solution-title {
  font-size: 42px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 20px;
}

.solution-subtitle {
  font-size: 16px;
  color: var(--text-muted);
}

/* Solutions Grid Section */
.solutions-grid-section {
  padding: 60px 0 120px;
  background: var(--bg-dark);
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.solution-card-large {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: var(--space-6);
  transition: all var(--transition-base);
  text-decoration: none;
}

.solution-card-large:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: 0 10px 40px rgba(0, 102, 255, 0.1);
}

.solution-card-icon {
  font-size: 48px;
  flex-shrink: 0;
}

.solution-card-content {
  flex: 1;
}

.solution-card-content .solution-label {
  font-size: var(--text-xs);
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-1);
}

.solution-card-content h3 {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.solution-card-content p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-3);
  line-height: 1.5;
}

.solution-arrow {
  font-size: var(--text-2xl);
  color: var(--text-muted);
  transition: transform var(--transition-base);
}

.solution-card-large:hover .solution-arrow {
  transform: translateX(4px);
  color: var(--primary);
}

/* Agents Grid 4 columns */
.agents-grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
  .solutions-grid {
    grid-template-columns: 1fr;
  }

  .agents-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .agents-grid-4 {
    grid-template-columns: 1fr;
  }
}

/* Legacy solutions-list */
.solutions-list {
  padding: 60px 0 120px;
  background: var(--bg-dark);
}

.solutions-list .container {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.solution-card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: transform var(--transition-slow), box-shadow var(--transition-slow), border-color var(--transition-slow);
}

.solution-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
}

.solution-image {
  height: 350px;
  overflow: hidden;
}

.solution-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.solution-card:hover .solution-image img {
  transform: scale(1.02);
}

.solution-info {
  padding: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  background: rgba(0, 0, 0, 0.5);
}

.solution-info h3 {
  font-size: 18px;
  font-weight: 600;
}

.solution-info h3 span {
  color: var(--text-muted);
  font-weight: 400;
}

.solution-tags {
  display: flex;
  gap: 8px;
}

/* Solution Comparison Section */
.solution-comparison {
  background: var(--bg-section);
  padding: var(--section-padding) 0;
}

/* Comparison Table */
.comparison-table-wrapper {
  overflow-x: auto;
  margin-top: var(--space-8);
  border-radius: var(--radius-card);
  background: var(--bg-card);
  border: 1px solid var(--border);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 800px;
}

.comparison-table thead {
  background: rgba(0, 102, 255, 0.1);
}

.comparison-table th {
  padding: var(--space-4) var(--space-3);
  text-align: center;
  vertical-align: middle;
  border-bottom: 1px solid var(--border);
}

.comparison-table th:first-child {
  width: 120px;
}

.comparison-table th .solution-icon {
  display: none;
}

.comparison-table th strong {
  display: block;
  font-size: var(--text-lg);
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.comparison-table th .solution-type {
  display: block;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  font-weight: var(--font-normal);
}

.comparison-table td {
  padding: var(--space-3);
  text-align: center;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

.comparison-table tbody tr:last-child td {
  border-bottom: none;
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
}

.comparison-table .feature-label {
  text-align: left;
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.02);
}

.comparison-table td.highlight {
  color: var(--primary);
  font-weight: var(--font-semibold);
}

.comparison-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

/* Mobile comparison cards - hidden on desktop */
.comparison-mobile {
  display: none;
}

.comparison-cta {
  text-align: center;
  margin-top: var(--space-8);
}

.comparison-cta p {
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
}

.comparison-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.comparison-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: transform var(--transition-slow), box-shadow var(--transition-slow), border-color var(--transition-slow);
}

.comparison-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 102, 255, 0.2);
  border-color: var(--primary);
}

.comparison-header {
  text-align: center;
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border);
}

.comparison-header .solution-icon {
  font-size: 48px;
  display: block;
  margin-bottom: var(--space-2);
}

.comparison-header h3 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-1);
  color: var(--text-primary);
}

.comparison-header .solution-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.comparison-features {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.feature-group h4 {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  margin-bottom: var(--space-1);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: var(--font-semibold);
}

.feature-group ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.feature-group ul li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-1);
  font-size: var(--text-sm);
  color: var(--text-primary);
}

.feature-group .check {
  color: var(--success);
  font-weight: var(--font-bold);
  font-size: 16px;
}

.feature-group p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin: 0;
}

.feature-group .highlight {
  color: var(--primary);
  font-weight: var(--font-semibold);
  font-size: var(--text-lg);
}

.comparison-card .btn {
  margin-top: auto;
}

.comparison-cta {
  text-align: center;
  margin-top: var(--space-8);
  padding: var(--space-6);
  background: var(--bg-card);
  border-radius: var(--radius-card);
  border: 1px solid var(--border);
}

.comparison-cta p {
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
  margin-bottom: var(--space-4);
  color: var(--text-primary);
}

/* Solution Detail Page */
.solution-detail-hero {
  position: relative;
  padding: 160px 0 80px;
  overflow: hidden;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-secondary);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  margin-bottom: var(--space-6);
  padding: var(--space-2) var(--space-4);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  position: relative;
  z-index: 10;
  cursor: pointer;
}

.back-link:hover {
  color: var(--primary);
  background: rgba(0, 102, 255, 0.1);
  border-color: var(--primary);
}

.solution-detail-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-6);
}

.solution-icon-large {
  font-size: 80px;
  flex-shrink: 0;
}

.solution-detail-title .solution-label {
  font-size: var(--text-base);
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-2);
  display: block;
  font-weight: var(--font-semibold);
}

.solution-detail-title h1 {
  font-size: 72px;
  font-weight: var(--font-bold);
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}

.solution-detail-title p {
  font-size: var(--text-xl);
  color: var(--text-secondary);
  max-width: 700px;
  line-height: var(--leading-relaxed);
  word-break: keep-all;
}

/* Solution Flow */
.solution-flow {
  padding: var(--section-padding) 0;
  background: var(--bg-dark);
}

.flow-image-wrapper {
  margin: var(--space-8) 0;
  border-radius: var(--radius-card);
  overflow: hidden;
  background: #fff;
}

.flow-image {
  width: 100%;
  height: auto;
  display: block;
}

.flow-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.flow-step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: var(--space-5);
  text-align: left;
  transition: all var(--transition-base);
}

.flow-step:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(0, 102, 255, 0.15);
}

.flow-step .step-number {
  display: block;
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--primary);
  margin-bottom: var(--space-3);
}

.flow-step h4 {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.flow-step p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  word-break: keep-all;
}

/* Solution Gallery */
.solution-gallery {
  padding: var(--section-padding) 0;
  background: var(--bg-section);
}


.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-8);
  align-items: start;
}

.gallery-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: all var(--transition-base);
}

.gallery-item:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(0, 102, 255, 0.15);
}

.gallery-item img {
  width: 100%;
  height: auto;
  display: block;
}

.gallery-item p {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-align: center;
}

/* Wide gallery grid for landscape images */
.gallery-grid-wide {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-8);
}

/* Vertical gallery grid for portrait images */
.gallery-grid-vertical {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-4);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.gallery-grid-vertical .gallery-item img {
  max-height: 400px;
  width: auto;
  margin: 0 auto;
}

/* Gallery group top layout */
.gallery-group-top {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.gallery-group-top .item-main {
  flex: 1;
  max-width: 40%;
}

.gallery-group-top .item-main img {
  width: 100%;
  height: auto;
}

.gallery-right {
  flex: 1.5;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.gallery-row-vertical {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
}

.gallery-row-vertical .item-vertical {
  flex: 0 0 auto;
  max-width: 200px;
}

.gallery-row-vertical .item-vertical img {
  width: 100%;
  height: auto;
  max-height: 360px;
  object-fit: contain;
}

.gallery-row-horizontal {
  display: flex;
  gap: var(--space-4);
}

.gallery-row-horizontal .item-horizontal {
  flex: 1;
}

.gallery-row-horizontal .item-horizontal img {
  width: 100%;
  height: auto;
}

/* Gallery bottom */
.gallery-bottom {
  margin-top: var(--space-6);
  display: flex;
  justify-content: center;
}

.gallery-bottom .item-full {
  max-width: 900px;
  width: 100%;
}

.gallery-bottom .item-full img {
  width: 100%;
  height: auto;
}

/* Omni-C Tetris-style gallery layout */
.gallery-omnic-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-8);
}

.gallery-omnic-grid .gallery-item {
  overflow: hidden;
}

.gallery-omnic-grid .gallery-item img {
  width: 100%;
  height: auto;
  display: block;
}

.gallery-omnic-row {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}

/* Row 1: 1, 4, 5 (비율 1704:560:552 = 2816 총합) */
.omnic-1 {
  flex: 1704;
}

.omnic-4 {
  flex: 560;
}

.omnic-5 {
  flex: 552;
}

/* Row 2: 타이틀(1792) + 6(1024) = 2816 (Row 1과 동일한 총합) */
.row-with-title {
  align-items: stretch;
}

.gallery-title-box {
  flex: 1792;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: var(--space-8);
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.08) 0%, rgba(139, 92, 246, 0.05) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
}

.gallery-title-box h2 {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.gallery-title-box p {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

.gallery-title-indicator {
  display: flex;
  gap: var(--space-1);
  margin-top: var(--space-4);
}

.gallery-title-indicator .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-light);
  transition: all 0.3s ease;
  cursor: pointer;
}

.gallery-title-indicator .dot.active {
  background: var(--primary);
  width: 24px;
  border-radius: 4px;
}

.gallery-title-indicator .dot:hover {
  background: var(--primary);
}

/* Row 2: 타이틀(1792) + 2(1024) */
.row-with-title .omnic-2 {
  flex: 1024;
}

/* Row 3: 6, 3 (50:50 비율) */
.row-half {
  align-items: stretch;
}

.row-half .omnic-6,
.row-half .omnic-3 {
  flex: 1;
}

.row-half .gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Masonry-like layout for varied image sizes */
.gallery-grid-masonry {
  column-count: 3;
  column-gap: var(--space-4);
  margin-top: var(--space-8);
}

.gallery-grid-masonry .gallery-item {
  break-inside: avoid;
  margin-bottom: var(--space-4);
}

@media (max-width: 1024px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery-grid-masonry {
    column-count: 2;
  }

  .gallery-grid-vertical {
    max-width: 500px;
  }

  .gallery-group-top {
    flex-direction: column;
  }

  .gallery-group-top .item-main {
    max-width: 100%;
  }

  .gallery-row-vertical .item-vertical {
    max-width: 180px;
  }

  .gallery-omnic-row {
    flex-wrap: wrap;
  }

  .omnic-1 {
    flex: 1 1 100%;
  }

  .omnic-4,
  .omnic-5 {
    flex: 1 1 45%;
  }

  .row-with-title {
    flex-wrap: nowrap;
  }

  .gallery-title-box {
    flex: 1792;
  }

  .row-with-title .omnic-2 {
    flex: 1024;
  }

  .row-half .omnic-6,
  .row-half .omnic-3 {
    flex: 1;
  }
}

@media (max-width: 768px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .gallery-grid-wide {
    grid-template-columns: 1fr;
  }

  .gallery-grid-vertical {
    grid-template-columns: 1fr;
    max-width: 280px;
  }

  .gallery-grid-vertical .gallery-item img {
    max-height: 350px;
  }

  .gallery-grid-masonry {
    column-count: 1;
  }

  .gallery-row-vertical {
    flex-direction: column;
    align-items: center;
  }

  .gallery-row-vertical .item-vertical {
    max-width: 200px;
  }

  .gallery-row-horizontal {
    flex-direction: column;
  }

  .gallery-omnic-row,
  .row-with-title,
  .row-half {
    flex-direction: column;
  }

  .omnic-1,
  .omnic-4,
  .omnic-5,
  .omnic-6,
  .omnic-2,
  .omnic-3,
  .gallery-title-box,
  .row-with-title .omnic-2,
  .row-half .omnic-6,
  .row-half .omnic-3 {
    flex: none;
    width: 100%;
  }

  .row-half .gallery-item img {
    height: auto;
    object-fit: contain;
  }

  .gallery-title-box {
    padding: var(--space-3);
    /* 24px - reduced from 48px */
    text-align: center;
    align-items: center;
  }

  .gallery-title-box h2 {
    font-size: 20px;
    /* reduced from 32px */
  }

  .gallery-title-box p {
    font-size: var(--text-sm);
  }

  .gallery-title-indicator {
    justify-content: center;
  }

  .gallery-omnic-grid {
    gap: 12px;
    /* reduced from 24px */
    margin-top: var(--space-4);
  }

  .gallery-omnic-row {
    gap: 12px;
  }

  /* Omni-C Gallery - Show only bottom 2 images on mobile */
  .gallery-omnic-grid .gallery-omnic-row:first-child {
    display: none;
    /* Hide Row 1: images 1, 4, 5 */
  }

  .gallery-omnic-grid .row-with-title {
    display: none;
    /* Hide Row 2: title box + image 2 */
  }

  .gallery-omnic-grid .row-half {
    display: flex;
    /* Show Row 3: images 6, 3 */
    flex-direction: row;
    gap: var(--space-2);
  }

  .gallery-omnic-grid .row-half .gallery-item {
    flex: 1;
  }
}

/* Solution Features */
.solution-features {
  padding: var(--section-padding) 0;
  background: var(--bg-section);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.feature-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: var(--space-6);
  text-align: left;
  transition: all var(--transition-base);
}

.feature-item:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(0, 102, 255, 0.15);
}

.feature-item .feature-icon {
  font-size: 40px;
  margin-bottom: var(--space-3);
}

.feature-item h3 {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-3);
  color: var(--text-primary);
  word-break: keep-all;
}

.feature-item p {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  word-break: keep-all;
}

.feature-section {
  margin-bottom: var(--space-8);
}

.feature-section-title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--primary);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--border);
}

/* Case Study */
.solution-case-study {
  padding: var(--section-padding) 0;
  background: var(--bg-dark);
}

.case-study-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  margin-bottom: var(--space-6);
}

.case-study-header {
  padding: var(--space-5);
  background: rgba(0, 102, 255, 0.1);
  border-bottom: 1px solid var(--border);
}

.client-badge {
  display: inline-block;
  background: var(--primary);
  color: white;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-2);
}

.case-study-header h3 {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
}

.case-study-content {
  padding: var(--space-5);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.case-study-problem,
.case-study-solution,
.case-study-result {
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius-md);
}

.case-study-problem h4,
.case-study-solution h4,
.case-study-result h4 {
  font-size: var(--text-sm);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-2);
}

.case-study-problem p,
.case-study-solution p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

.case-study-result ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.case-study-result ul li {
  font-size: var(--text-sm);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
  padding-left: var(--space-4);
  position: relative;
}

.case-study-result ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: var(--font-bold);
}

.result-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}

.stat-item {
  text-align: center;
  padding: var(--space-3);
  background: rgba(0, 102, 255, 0.1);
  border-radius: var(--radius-md);
}

.stat-number {
  display: block;
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--primary);
  margin-bottom: var(--space-1);
}

.stat-label {
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

/* Case Study Detailed */
.case-study-detailed {
  margin-bottom: var(--space-8);
}

.case-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: var(--space-5);
  margin-bottom: var(--space-4);
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.case-block.problem {
  border-left: 4px solid #ff6b6b;
}

.case-block.solution {
  border-left: 4px solid var(--primary);
}

.case-label {
  font-size: var(--text-base);
  font-weight: var(--font-bold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  min-width: 100px;
  flex-shrink: 0;
}

.case-block.problem .case-label {
  color: #ff6b6b;
}

.case-block.solution .case-label {
  color: var(--primary);
}

.case-content p {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  word-break: keep-all;
}

.case-content strong {
  color: var(--text-primary);
}

.case-results {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.result-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: var(--space-5);
}

.result-card.qualitative {
  border-top: 4px solid #4ecdc4;
}

.result-card.quantitative {
  border-top: 4px solid #ffd93d;
}

.result-card h4 {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

.result-card.qualitative h4 {
  color: #4ecdc4;
}

.result-card.quantitative h4 {
  color: #ffd93d;
}

.result-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.result-card ul li {
  font-size: var(--text-base);
  color: var(--text-secondary);
  margin-bottom: var(--space-3);
  padding-left: var(--space-5);
  position: relative;
  line-height: var(--leading-relaxed);
  word-break: keep-all;
}

.result-card ul li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--text-muted);
}

.result-card ul li strong {
  color: var(--text-primary);
}

.other-clients {
  text-align: center;
  padding: var(--space-5);
  background: var(--bg-card);
  border-radius: var(--radius-card);
  border: 1px solid var(--border);
}

.other-clients h4 {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: var(--space-3);
}

.client-list {
  display: flex;
  gap: var(--space-2);
  justify-content: center;
  flex-wrap: wrap;
}

.client-tag {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.impact-message {
  text-align: center;
  padding: var(--space-6);
  margin-bottom: var(--space-6);
}

.impact-message p {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}

.impact-message strong {
  color: var(--primary);
}

.solution-cta {
  padding: var(--section-padding) 0;
  background: var(--bg-section);
}

.solution-cta .cta-box {
  text-align: center;
  padding: var(--space-10);
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.1) 0%, rgba(0, 102, 255, 0.05) 100%);
  border: 1px solid rgba(0, 102, 255, 0.3);
  border-radius: var(--radius-card);
}

.solution-cta .cta-box h2 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-3);
}

.solution-cta .cta-box p {
  color: var(--text-secondary);
  margin-bottom: var(--space-5);
}

/* Responsive: Solution Detail */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .case-study-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .solution-detail-header {
    flex-direction: column;
    text-align: center;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .result-stats {
    grid-template-columns: 1fr;
  }

  .flow-steps {
    grid-template-columns: 1fr;
  }

  .case-block {
    flex-direction: column;
    gap: var(--space-2);
  }

  .case-results {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1024px) {
  .flow-steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Contact FAQ Section */
.contact-faq {
  margin-top: var(--space-8);
  position: relative;
  z-index: 1;
}

.faq-title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-4);
  text-align: center;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: var(--space-3);
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}

.faq-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 102, 255, 0.15);
}

.faq-item h4 {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-1);
  color: var(--text-primary);
}

.faq-item p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* ========================================
   Unified Hover Effects (CSS-only)
   ======================================== */

/* Card hover - unified translateY + shadow */
.agent-card:hover,
.feature-card:hover,
.stat-card:hover,
.solution-card:hover,
.value-card:hover,
.question-card:hover,
.use-case-card:hover,
.question-card-company:hover,
.team-card:hover,
.info-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 102, 255, 0.15);
}

/* Agent card hover border highlight */
.agent-card:hover {
  border-color: var(--primary);
}

/* Process step hover */
.process-step:hover {
  transform: translateX(8px);
  border-color: var(--primary-border);
}

/* Solution card image zoom on hover */
.solution-card:hover .solution-image img {
  transform: scale(1.02);
}

/* Team card image zoom on hover */
.team-card:hover .team-image img {
  transform: scale(1.05);
}

/* Smooth image transitions */
.solution-image img,
.team-image img,
.culture-image img {
  transition: transform var(--transition-slow);
}

/* ========================================
   Responsive Design - Framer Style
   XL: 1440px+, L: 1200-1439px, M: 810-1199px, S: <810px
   ======================================== */

/* ========================================
   L: Desktop (1200px - 1439px)
   ======================================== */
@media (max-width: 1439px) {
  .container {
    padding: 0 var(--space-4);
  }

  .hero-title {
    font-size: var(--text-3xl);
    /* 40px */
  }
}

/* ========================================
   M: Tablet/Small Desktop (810px - 1199px)
   ======================================== */
@media (max-width: 1199px) {
  .container {
    padding: 0 var(--space-3);
  }

  /* Layout Adjustments */
  .about-content {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  /* Grid Systems - 2 columns */
  .agents-grid,
  .features-grid,
  .question-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .agents-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .value-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .faq-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .comparison-cards {
    grid-template-columns: 1fr;
  }

  /* Typography */
  .hero-title {
    font-size: var(--text-3xl);
    /* 40px */
  }

  /* Footer */
  .footer-content {
    grid-template-columns: 1fr 1fr;
  }

  /* Hero - reduce empty space on tablet */
  .hero {
    min-height: auto;
    padding: 120px 24px 60px;
  }

  /* STAIR Journey - resize for tablet */
  .stair-path {
    max-width: 450px;
  }

  .stair-card {
    width: 80px;
    padding: var(--space-2);
  }

  .stair-card.step-1 {
    height: 50px;
  }

  .stair-card.step-2 {
    height: 68px;
  }

  .stair-card.step-3 {
    height: 86px;
  }

  .stair-card.step-4 {
    height: 104px;
  }

  .stair-card.step-5 {
    height: 122px;
  }

  .journey-container {
    min-height: 300px;
    padding: var(--space-6) var(--space-4);
  }

  .stair-letter-top {
    font-size: var(--text-xl);
  }

  .stair-card .card-title {
    font-size: 10px;
  }

  .stair-card .card-desc {
    font-size: 9px;
  }

  .journey-point.highlight .point-icon {
    font-size: 36px;
  }

  .star-glow {
    width: 80px;
    height: 80px;
  }

  .journey-point.highlight .point-label {
    font-size: var(--text-base);
  }

  /* Social Proof */
  .social-proof-logos {
    gap: var(--space-4);
  }

  /* Flow Steps */
  .flow-steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ========================================
   S: Mobile/Small Tablet (< 768px)
   ======================================== */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-2);
  }

  /* Navigation */
  .nav {
    display: none;
  }

  /* Typography - refined mobile scale */
  .hero-title {
    font-size: 26px;
    /* refined from 32px for better mobile fit */
    line-height: 1.3;
  }

  .hero-subtitle {
    font-size: var(--text-sm);
    /* 14px */
    line-height: 1.6;
  }

  .section-title {
    font-size: 22px;
    /* refined from 24px */
    margin-bottom: var(--space-1);
  }

  .title-sub {
    font-size: var(--text-base);
    /* 16px - reduced from 18px */
  }

  .about-title {
    font-size: 22px;
    /* refined */
  }

  .cta-title {
    font-size: 22px;
    /* refined */
  }

  .solution-title {
    font-size: 22px;
    /* refined */
  }

  .contact-title {
    font-size: 22px;
    /* refined */
  }

  .section-subtitle {
    font-size: var(--text-sm);
    /* 14px */
    line-height: 1.6;
    margin-bottom: var(--space-4);
  }

  /* Buttons - Optimized for mobile */
  .btn {
    min-height: 44px;
    /* iOS recommended touch target */
    padding: 12px 20px;
    font-size: var(--text-sm);
    /* 14px - reduced from 16px */
  }

  .btn-small {
    min-height: 44px;
    padding: 10px 16px;
    font-size: var(--text-xs);
  }

  .btn-large {
    min-height: 44px;
    padding: 12px var(--space-3);
    font-size: var(--text-sm);
    /* reduced from 16px */
  }

  /* Mobile navigation touch targets */
  .mobile-nav-link {
    min-height: 48px;
    padding: 14px var(--space-2);
    display: flex;
    align-items: center;
  }

  /* Form inputs - prevent iOS zoom + touch targets */
  .contact-form-new input,
  .contact-form-new textarea,
  input,
  textarea,
  select {
    font-size: 16px !important;
    /* prevent iOS auto-zoom */
    min-height: 48px;
  }

  .contact-form-new textarea,
  textarea {
    min-height: 100px;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    max-width: 280px;
    /* reduced from 400px */
    margin: 0 auto var(--space-4);
    gap: var(--space-2);
  }

  .hero-buttons .btn {
    width: 100%;
    padding: 12px 16px;
    font-size: var(--text-sm);
  }

  /* Social Proof */
  .social-proof-logos {
    gap: var(--space-3);
  }

  .client-logo {
    font-size: var(--text-xs);
  }

  /* Grids - All to single column */
  .agents-grid,
  .agents-grid-4,
  .features-grid,
  .question-grid,
  .value-grid,
  .use-cases-grid-2x2 {
    grid-template-columns: 1fr !important;
    gap: var(--space-3);
  }

  .faq-grid {
    grid-template-columns: 1fr;
  }

  .flow-steps {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  /* Comparison Table - hide on mobile, show cards */
  .comparison-table-wrapper {
    display: none;
  }

  .comparison-mobile {
    display: block;
  }

  .comparison-mobile-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
  }

  .comparison-mobile-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: var(--space-4);
    transition: border-color var(--transition-base);
  }

  .comparison-mobile-card:hover {
    border-color: var(--primary-border);
  }

  .comparison-mobile-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--border);
  }

  .comparison-mobile-icon {
    font-size: 32px;
    flex-shrink: 0;
  }

  .comparison-mobile-title {
    flex: 1;
  }

  .comparison-mobile-title h3 {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin-bottom: 2px;
  }

  .comparison-mobile-title span {
    font-size: var(--text-xs);
    color: var(--text-secondary);
  }

  .comparison-mobile-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
  }

  .comparison-mobile-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-2);
  }

  .comparison-mobile-label {
    font-size: var(--text-xs);
    color: var(--text-muted);
    flex-shrink: 0;
    min-width: 70px;
  }

  .comparison-mobile-value {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    text-align: right;
    flex: 1;
  }

  .comparison-mobile-value.highlight {
    color: var(--primary);
    font-weight: var(--font-semibold);
  }

  .comparison-mobile-card .btn {
    width: 100%;
    margin-top: var(--space-2);
  }

  /* Forms */
  .form-row {
    grid-template-columns: 1fr;
  }

  .form-row-new {
    grid-template-columns: 1fr;
  }

  /* Footer - compact mobile layout */
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-6);
  }

  .footer-brand {
    order: -1;
    margin-bottom: var(--space-2);
  }

  .footer-info {
    margin-bottom: var(--space-2);
  }

  .footer-info p {
    margin-bottom: var(--space-1);
  }

  .footer-links a {
    display: block;
    padding: var(--space-1) 0;
  }

  .footer-info h3 {
    font-size: var(--text-sm);
    margin-bottom: var(--space-2);
  }

  .footer-info p {
    font-size: var(--text-xs);
    line-height: 1.6;
    margin-bottom: var(--space-1);
  }

  .footer-links h4 {
    font-size: var(--text-sm);
    margin-bottom: var(--space-2);
  }

  .footer-links a {
    font-size: var(--text-sm);
    padding: var(--space-1) 0;
    display: inline-block;
  }

  .footer-logo-img {
    height: 48px;
  }

  /* Solution Cards - mobile optimization */
  .solution-card-large {
    padding: var(--space-3);
    /* reduced from 40px */
  }

  .solution-card-large h3 {
    font-size: var(--text-lg);
    /* 18px */
  }

  .solution-card-large p {
    font-size: var(--text-xs);
    line-height: 1.5;
  }

  .solution-label {
    font-size: 10px;
    margin-bottom: var(--space-1);
  }

  .solution-tags {
    gap: var(--space-1);
  }

  .solution-tags .tag {
    font-size: 10px;
    padding: 2px 8px;
  }

  .solution-card-icon {
    font-size: 28px;
    /* reduced from 40px */
  }

  /* Sections - reduced spacing for mobile */
  section {
    padding: var(--space-6) 0;
    /* 48px - reduced from 80px */
  }

  .cta-box {
    padding: var(--space-4) var(--space-3);
  }

  /* Join CTA - Mobile */
  .join-cta {
    padding: var(--space-6) var(--space-3);
  }

  .join-cta h2 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-4);
    padding: 0 var(--space-2);
    line-height: 1.5;
  }

  .join-cta .container {
    padding: 0 var(--space-3);
  }

  .hero {
    padding: 100px var(--space-2) var(--space-5);
    min-height: auto;
  }

  /* Use Cases */
  .use-case-info {
    flex-direction: column;
    align-items: flex-start;
  }

  .solution-info {
    flex-direction: column;
    align-items: flex-start;
  }

  /* Contact */
  .contact-content {
    grid-template-columns: 1fr;
  }

  .contact-info-cards {
    order: -1;
    flex-direction: row;
    flex-wrap: wrap;
  }

  .info-card {
    flex: 1;
    min-width: 250px;
  }

  /* Spacing adjustments */
  .container {
    padding: 0 var(--space-2);
    /* 16px */
  }

  /* ========================================
     Mobile Component Sizing Optimizations
     ======================================== */

  /* Value Cards - Reduced sizing for mobile */
  .value-card {
    padding: var(--space-4);
    gap: var(--space-3);
    flex-direction: column;
    text-align: center;
    max-width: 320px;
    margin: 0 auto;
  }

  .value-number {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-1);
  }

  .value-card h3 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-2);
  }

  .value-content>p {
    font-size: var(--text-sm);
    margin-bottom: var(--space-3);
    line-height: var(--leading-normal);
  }

  .value-card ul {
    text-align: center;
    display: inline-block;
  }

  .value-card li {
    font-size: var(--text-sm);
    padding-left: var(--space-4);
    margin-bottom: var(--space-2);
    line-height: var(--leading-normal);
    text-align: left;
  }

  .value-card li br {
    display: none;
  }

  /* Company Page - Mobile */
  .history-detailed {
    padding: var(--space-6) var(--space-2);
  }

  .history-detailed .container {
    padding: 0;
  }

  .history-detailed .history-main-title {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-4);
  }

  .year-group {
    padding: 0 var(--space-2);
  }

  .year-title {
    font-size: var(--text-xl);
  }

  .history-item {
    margin: 0 var(--space-1);
    padding: var(--space-3);
  }

  .culture {
    padding: var(--space-6) var(--space-2);
  }

  .culture-gallery {
    gap: var(--space-2);
  }

  .culture-image-overlay {
    padding: var(--space-2);
  }

  .culture-image-overlay .overlay-text {
    font-size: var(--text-xs);
    line-height: 1.3;
  }

  .culture-image-card.large .overlay-text {
    font-size: var(--text-sm);
  }

  .join-cta {
    padding: var(--space-6) var(--space-2);
  }

  .join-cta h2 {
    font-size: var(--text-lg);
    padding: 0 var(--space-2);
    line-height: 1.5;
  }

  /* Flow Steps - Compact mobile sizing */
  .flow-step {
    padding: var(--space-3);
  }

  .flow-step .step-number {
    font-size: var(--text-xl);
    margin-bottom: var(--space-2);
  }

  .flow-step h4 {
    font-size: var(--text-base);
    margin-bottom: var(--space-1);
  }

  .flow-step p {
    font-size: var(--text-xs);
    line-height: var(--leading-normal);
  }

  /* Agent Cards - Mobile optimization */
  .agent-card {
    padding: var(--space-3);
  }

  .agent-label {
    font-size: var(--text-xs);
    margin-bottom: var(--space-1);
  }

  .agent-card h3 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-1);
  }

  .agent-desc {
    font-size: var(--text-xs);
    line-height: var(--leading-normal);
    margin-bottom: var(--space-2);
  }

  .agent-tags {
    gap: var(--space-1);
  }

  .agent-tags .tag {
    font-size: 10px;
    padding: 2px 8px;
  }

  /* Use Case Cards - Mobile sizing */
  .use-case-card-compact {
    padding: var(--space-3);
  }

  .use-case-icon {
    font-size: 24px;
  }

  .use-case-label {
    font-size: var(--text-xs);
  }

  .use-case-content h3 {
    font-size: var(--text-base);
    margin-bottom: var(--space-1);
  }

  .use-case-content p {
    font-size: var(--text-xs);
  }

  .use-case-tags .tag {
    font-size: 10px;
    padding: 2px 8px;
  }

  /* Section Titles - additional mobile adjustments */
  .section-subtitle br {
    display: none;
  }

  /* Venn Diagram - Mobile sizing */
  .venn-diagram {
    width: 320px;
    height: 300px;
    margin: 0 auto;
  }

  .venn-circle {
    width: 150px;
    height: 150px;
  }

  .circle-label h3 {
    font-size: var(--text-sm);
  }

  .circle-label .circle-subtitle {
    font-size: 10px;
  }

  .circle-label .circle-desc {
    font-size: 10px;
    display: none;
  }

  .venn-center {
    width: 90px;
    height: 90px;
  }

  .venn-center h4 {
    font-size: var(--text-xs);
  }

  .venn-center p {
    font-size: 10px;
  }

  .venn-summary p {
    font-size: var(--text-base);
  }

  /* CTA Section - Mobile */
  .cta-title {
    font-size: var(--text-lg);
    line-height: var(--leading-snug);
  }

  .cta-title br {
    display: none;
  }

  .cta-desc {
    font-size: var(--text-sm);
  }

  .cta-desc br {
    display: none;
  }

  /* Hero Section - Mobile */
  .hero {
    padding: 110px var(--space-2) var(--space-4);
    /* increased top padding for header clearance */
    min-height: auto;
  }

  .hero-content {
    padding: 0 var(--space-1);
    max-width: 100%;
  }

  .hero-badge {
    font-size: 11px;
    padding: 4px 10px;
    margin-bottom: var(--space-2);
  }

  .hero-title {
    font-size: 24px;
    /* reduced from 26px */
    line-height: 1.35;
    margin-bottom: var(--space-2);
    word-break: keep-all;
  }

  .hero-title br {
    display: none;
  }

  .hero-title-kr {
    font-size: inherit;
  }

  .hero-subtitle {
    font-size: 13px;
    line-height: 1.6;
    margin-bottom: var(--space-3);
    word-break: keep-all;
  }

  .hero-subtitle br {
    display: none;
  }

  /* Logo Marquee - Mobile */
  .hero-social-proof {
    margin-top: var(--space-4);
  }

  .logo-marquee-item {
    height: 40px;
    padding: 0 var(--space-1);
  }

  .logo-marquee-item img {
    height: 32px;
    max-width: 120px;
  }

  /* Feature Items - Mobile */
  .feature-item {
    padding: var(--space-3);
  }

  .feature-item h3 {
    font-size: var(--text-base);
    margin-bottom: var(--space-1);
  }

  .feature-item h3 br {
    display: none;
  }

  .feature-item p {
    font-size: var(--text-xs);
    line-height: var(--leading-normal);
  }

  /* Case Study - Mobile */
  .case-block {
    padding: var(--space-3);
  }

  .case-label {
    font-size: var(--text-sm);
    min-width: auto;
    margin-bottom: var(--space-1);
  }

  .case-content p {
    font-size: var(--text-sm);
    line-height: var(--leading-normal);
  }

  .case-content p br {
    display: none;
  }

  .result-card {
    padding: var(--space-3);
  }

  .result-card h4 {
    font-size: var(--text-base);
    margin-bottom: var(--space-2);
  }

  .result-card ul li {
    font-size: var(--text-xs);
    margin-bottom: var(--space-1);
    line-height: var(--leading-normal);
  }

  .result-card ul li br {
    display: none;
  }

  /* Other Clients - Mobile */
  .other-clients {
    padding: var(--space-3);
  }

  .other-clients h4 {
    font-size: var(--text-xs);
  }

  .client-tag {
    font-size: var(--text-xs);
    padding: var(--space-1) var(--space-2);
  }

  /* Impact Message - Mobile */
  .impact-message {
    padding: var(--space-3);
    margin-bottom: var(--space-3);
  }

  .impact-message p {
    font-size: var(--text-sm);
  }

  /* Solution Detail Header - Mobile */
  .solution-detail-header h1 {
    font-size: var(--text-2xl);
  }

  .solution-detail-header p {
    font-size: var(--text-sm);
  }

  .solution-detail-header p br {
    display: none;
  }

  .solution-label {
    font-size: var(--text-xs);
  }

  .back-link {
    font-size: var(--text-sm);
    margin-bottom: var(--space-2);
  }

  /* Info Cards - Mobile */
  .info-card {
    padding: var(--space-3);
    min-width: 100%;
  }

  .info-card h3 {
    font-size: var(--text-base);
  }

  .info-card p {
    font-size: var(--text-sm);
  }

  /* FAQ Items - Mobile */
  .faq-item {
    padding: var(--space-2);
  }

  .faq-item h4 {
    font-size: var(--text-xs);
  }

  .faq-item p {
    font-size: var(--text-xs);
    line-height: var(--leading-normal);
  }
}

/* ========================================
   Mobile Navigation (Hamburger Menu)
   ======================================== */

/* Mobile Menu Toggle Button - Hidden on desktop */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.hamburger-line:nth-child(1) {
  margin-bottom: 6px;
}

.hamburger-line:nth-child(3) {
  margin-top: 6px;
}

/* Hamburger animation when menu is open */
.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Navigation Overlay */
.mobile-nav-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.mobile-nav-overlay.active {
  opacity: 1;
}

/* Mobile Navigation Menu */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  right: -100%;
  width: 280px;
  max-width: 80%;
  height: 100vh;
  background: var(--bg-dark);
  border-left: 1px solid var(--border);
  z-index: 1000;
  transition: right 0.3s ease;
  overflow-y: auto;
}

.mobile-nav.active {
  right: 0;
}

.mobile-nav-content {
  display: flex;
  flex-direction: column;
  padding: var(--space-8) var(--space-3) var(--space-3);
}

.mobile-nav-link {
  display: block;
  padding: var(--space-2) var(--space-2);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
  border-bottom: 1px solid var(--border);
  transition: color 0.2s ease, background 0.2s ease;
}

.mobile-nav-link:hover,
.mobile-nav-link:focus {
  color: var(--text-primary);
  background: var(--bg-card-hover);
}

.mobile-nav-link.active {
  color: var(--primary);
}

.mobile-nav-cta {
  margin-top: var(--space-4);
  padding: var(--space-2);
}

.mobile-nav-cta .btn {
  width: 100%;
  text-align: center;
}

/* Body scroll lock when menu is open */
body.mobile-menu-open {
  overflow: hidden;
}

/* Show mobile menu elements on mobile */
@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex;
  }

  .mobile-nav,
  .mobile-nav-overlay {
    display: block;
  }

  /* Hide desktop CTA button on mobile */
  .header-container>.btn {
    display: none;
  }
}