/* ═══════════════════════════════════════════════
   OPTARO.AI — Dark Neon Sci-Fi Theme
   ═══════════════════════════════════════════════ */

:root {
  --bg-primary: #06060f;
  --bg-secondary: #0a0a1a;
  --bg-card: rgba(15, 15, 35, 0.7);
  --bg-card-hover: rgba(20, 20, 45, 0.85);
  --border-subtle: rgba(99, 102, 241, 0.12);
  --border-hover: rgba(99, 102, 241, 0.35);
  --text-primary: #e0e0f0;
  --text-secondary: #7a7a9e;
  --text-muted: #5a5a7e;
  --neon-indigo: #6366f1;
  --neon-cyan: #00d4ff;
  --neon-green: #00ff87;
  --neon-purple: #bf5fff;
  --neon-pink: #ff3d8f;
  --neon-amber: #f59e0b;
  --gradient-main: linear-gradient(135deg, #6366f1, #00d4ff);
  --gradient-alt: linear-gradient(135deg, #bf5fff, #ff3d8f);
  --gradient-green: linear-gradient(135deg, #00ff87, #00d4ff);
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Space Grotesk', var(--font-primary);
  --font-mono: 'JetBrains Mono', monospace;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --bg-mobile-menu: rgba(6, 6, 15, 0.95);
}

/* ══════════════════════════════════════════════
   LIGHT PASTEL THEME
   ══════════════════════════════════════════════ */

[data-theme="light"] {
  --bg-primary: #f5f3ff;
  --bg-secondary: #ede9fe;
  --bg-card: rgba(255, 255, 255, 0.8);
  --bg-card-hover: rgba(255, 255, 255, 0.95);
  --border-subtle: rgba(99, 102, 241, 0.18);
  --border-hover: rgba(99, 102, 241, 0.4);
  --text-primary: #1e1b4b;
  --text-secondary: #4c4578;
  --text-muted: #7c74a8;
  --neon-indigo: #6366f1;
  --neon-cyan: #06b6d4;
  --neon-green: #10b981;
  --neon-purple: #a855f7;
  --neon-pink: #ec4899;
  --neon-amber: #f59e0b;
  --gradient-main: linear-gradient(135deg, #818cf8, #22d3ee);
  --gradient-alt: linear-gradient(135deg, #c084fc, #f472b6);
  --gradient-green: linear-gradient(135deg, #34d399, #22d3ee);
  --bg-mobile-menu: rgba(245, 243, 255, 0.98);
}

/* -- Light: navigation -- */
[data-theme="light"] .navbar {
  background: rgba(245, 243, 255, 0.85);
  backdrop-filter: blur(20px);
}
[data-theme="light"] .navbar.scrolled {
  background: rgba(245, 243, 255, 0.92);
}
[data-theme="light"] .nav-link:hover,
[data-theme="light"] .nav-link.active {
  color: var(--neon-indigo);
}

/* -- Light: hero glows -- */
[data-theme="light"] .hero-glow-1 { background: rgba(129, 140, 248, 0.15); }
[data-theme="light"] .hero-glow-2 { background: rgba(34, 211, 238, 0.12); }
[data-theme="light"] .hero-grid-bg {
  background-image:
    linear-gradient(rgba(99, 102, 241, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 102, 241, 0.08) 1px, transparent 1px);
}
[data-theme="light"] .text-glow {
  color: var(--neon-indigo);
  text-shadow: none;
}

/* -- Light: cards -- */
[data-theme="light"] .platform-card {
  background: rgba(255, 255, 255, 0.85);
  box-shadow: 0 2px 16px rgba(99, 102, 241, 0.06);
}
[data-theme="light"] .platform-card:hover {
  background: rgba(255, 255, 255, 0.95);
  box-shadow:
    0 0 20px rgba(var(--card-neon-rgb), 0.1),
    0 0 60px rgba(var(--card-neon-rgb), 0.05),
    0 24px 64px rgba(99, 102, 241, 0.08);
}
[data-theme="light"] .usecase-card {
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 2px 16px rgba(99, 102, 241, 0.06);
}
[data-theme="light"] .usecase-card:hover {
  box-shadow:
    0 0 25px rgba(var(--uc-rgb), 0.12),
    0 0 60px rgba(var(--uc-rgb), 0.06),
    0 16px 48px rgba(99, 102, 241, 0.08);
}
[data-theme="light"] .usecase-card-title { color: var(--text-primary); }
[data-theme="light"] .usecase-card-shine {
  background: linear-gradient(105deg, transparent 40%, rgba(99, 102, 241, 0.03) 46%, rgba(99, 102, 241, 0.06) 50%, rgba(99, 102, 241, 0.03) 54%, transparent 60%);
}

/* -- Light: stat cards -- */
[data-theme="light"] .stat-card:hover {
  box-shadow: 0 20px 60px rgba(99, 102, 241, 0.1);
}

/* -- Light: serve section -- */
[data-theme="light"] .serve-card:hover {
  box-shadow: 0 30px 80px rgba(99, 102, 241, 0.1);
}

/* -- Light: scenario/recommendation overlays -- */
[data-theme="light"] .scenario-info {
  background: rgba(255, 255, 255, 0.92);
  border-color: rgba(99, 102, 241, 0.2);
}
[data-theme="light"] .scenario-info-title { color: var(--text-primary); }
[data-theme="light"] .recommendation-card {
  background: rgba(255, 255, 255, 0.92);
}
[data-theme="light"] .step-dot { background: #d4d0f0; border-color: #c4bfe6; }
[data-theme="light"] .step-text { color: var(--text-secondary); }
[data-theme="light"] .step-row.active .step-text { color: var(--text-primary); }
[data-theme="light"] .step-agent-name { color: var(--neon-indigo); }
[data-theme="light"] .rec-title { color: var(--text-primary); }
[data-theme="light"] .rec-body strong { color: var(--neon-purple); }
[data-theme="light"] .rec-chain { border-top-color: rgba(99, 102, 241, 0.1); }
[data-theme="light"] .rec-chain-node { background: rgba(99, 102, 241, 0.1); color: var(--neon-indigo); }
[data-theme="light"] .rec-chain-arrow { color: #b0aad0; }

/* -- Light: form inputs -- */
[data-theme="light"] .form-group input,
[data-theme="light"] .form-group select,
[data-theme="light"] .form-group textarea {
  background: rgba(237, 233, 254, 0.6);
}

/* -- Light: agent network embed -- */
[data-theme="light"] .agent-network-embed {
  background: var(--bg-secondary);
  border-color: rgba(99, 102, 241, 0.12);
}
[data-theme="light"] .agent-network-embed iframe { background: var(--bg-secondary); }

/* -- Light: mobile menu -- */
[data-theme="light"] .nav-links.open {
  background: rgba(245, 243, 255, 0.98);
}

/* -- Light: modal -- */
[data-theme="light"] .uc-modal-overlay.open { background: rgba(30, 27, 75, 0.4); }
[data-theme="light"] .uc-modal { background: rgba(255, 255, 255, 0.98); }
[data-theme="light"] .uc-modal-title { color: var(--text-primary); }
[data-theme="light"] .uc-modal-close {
  background: rgba(99, 102, 241, 0.06);
  border-color: rgba(99, 102, 241, 0.15);
}

/* -- Light: logo swap -- */
.logo-light { display: none; }
[data-theme="light"] .logo-dark { display: none; }
[data-theme="light"] .logo-light { display: block; opacity: 0.85; mix-blend-mode: multiply; }

/* -- Light: footer -- */
[data-theme="light"] .footer { background: var(--bg-secondary); }

/* -- Light: section backgrounds -- */
[data-theme="light"] .use-cases,
[data-theme="light"] .agent-network-section,
[data-theme="light"] .about {
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-primary) 100%);
}

/* ── Theme Toggle Button ── */
.theme-toggle {
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(99, 102, 241, 0.06);
  border: 1px solid var(--border-subtle);
  color: var(--neon-amber);
  font-size: 16px;
  cursor: pointer;
  transition: all 0.3s ease;
  flex-shrink: 0;
}
.theme-toggle:hover {
  background: rgba(99, 102, 241, 0.15);
  border-color: var(--neon-indigo);
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.2);
  transform: rotate(30deg);
}
[data-theme="light"] .theme-toggle {
  color: var(--neon-indigo);
}

/* ── Reset ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: var(--font-primary);
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; }
button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
  color: inherit;
}

/* ── Particle Canvas ── */
#particleCanvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* ── Utility ── */
.gradient-text {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.gradient-text-alt {
  background: var(--gradient-alt);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.text-glow {
  color: #fff;
  text-shadow: 0 0 40px rgba(99, 102, 241, 0.6), 0 0 80px rgba(99, 102, 241, 0.3);
}

/* ══════════════════════════════════════════════
   NAVIGATION
   ══════════════════════════════════════════════ */

.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all var(--transition);
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-subtle);
}
.navbar.scrolled {
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-subtle);
  padding: 10px 0;
}
.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}
.nav-logo { display: flex; align-items: center; gap: 10px; }
.logo-img { height: 50px; width: auto; filter: brightness(1.1); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}
.nav-link {
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all 0.3s ease;
  position: relative;
}
.nav-link:hover, .nav-link.active {
  color: #fff;
}
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 50%; transform: translateX(-50%);
  width: 20px; height: 2px;
  background: var(--neon-indigo);
  border-radius: 2px;
  box-shadow: 0 0 8px var(--neon-indigo);
}
.nav-cta {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  background: var(--gradient-main);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  transition: all 0.3s ease;
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
}
.nav-cta:hover {
  box-shadow: 0 0 30px rgba(99, 102, 241, 0.5);
  transform: translateY(-1px);
}
.mobile-menu-backdrop { display: none; }
.nav-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  width: 44px;
  height: 44px;
  padding: 10px;
  z-index: 10;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* ══════════════════════════════════════════════
   HERO
   ══════════════════════════════════════════════ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 70px 32px 30px;
  overflow: hidden;
  z-index: 1;
}
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 70%);
}
.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
}
.hero-glow-1 {
  width: 600px; height: 600px;
  top: -200px; left: -100px;
  background: rgba(99, 102, 241, 0.12);
}
.hero-glow-2 {
  width: 500px; height: 500px;
  bottom: -100px; right: -100px;
  background: rgba(0, 212, 255, 0.08);
}
.hero-content {
  max-width: 900px;
  text-align: center;
  position: relative;
  z-index: 2;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 50px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--neon-indigo);
  text-transform: uppercase;
  margin-bottom: 24px;
}
.badge-dot {
  width: 8px; height: 8px;
  background: var(--neon-green);
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(0, 255, 135, 0.6);
  animation: pulseDot 2s ease-in-out infinite;
}
@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.7); }
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 16px;
  letter-spacing: -1px;
}
.hero-subtitle {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 18px;
}
.hero-features {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-bottom: 20px;
}
.hero-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-secondary);
}
.hero-feature i {
  color: var(--neon-green);
  font-size: 14px;
}
.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 26px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.btn-primary {
  background: var(--gradient-main);
  color: #fff;
  box-shadow: 0 0 30px rgba(99, 102, 241, 0.25);
}
.btn-primary:hover {
  box-shadow: 0 0 50px rgba(99, 102, 241, 0.4);
  transform: translateY(-2px);
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.1), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.btn-primary:hover::before { opacity: 1; }
.btn-ghost {
  border: 1px solid var(--border-hover);
  color: var(--text-primary);
  background: rgba(99, 102, 241, 0.05);
}
.btn-ghost:hover {
  background: rgba(99, 102, 241, 0.12);
  border-color: var(--neon-indigo);
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.15);
}
.btn-large {
  padding: 16px 40px;
  font-size: 16px;
}

/* Hero Stats */
.hero-stats {
  display: flex;
  gap: 18px;
  margin-top: 24px;
  position: relative;
  z-index: 2;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px 24px;
  text-align: center;
  backdrop-filter: blur(20px);
  transition: all var(--transition);
  min-width: 140px;
  position: relative;
  overflow: hidden;
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gradient-main);
  opacity: 0;
  transition: opacity 0.4s;
}
.stat-card:hover::before { opacity: 1; }
.stat-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(99, 102, 241, 0.1);
}
.stat-icon {
  font-size: 16px;
  color: var(--neon-indigo);
  margin-bottom: 8px;
}
.stat-value {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}
.stat-label {
  font-size: 11px;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 12px;
  animation: fadeInUp 1s ease 1.5s both;
}
.scroll-mouse {
  width: 24px; height: 38px;
  border: 2px solid rgba(99, 102, 241, 0.3);
  border-radius: 12px;
  position: relative;
}
.scroll-wheel {
  width: 3px; height: 8px;
  background: var(--neon-indigo);
  border-radius: 3px;
  position: absolute;
  top: 6px; left: 50%;
  transform: translateX(-50%);
  animation: scrollWheel 2s ease-in-out infinite;
}
@keyframes scrollWheel {
  0% { opacity: 1; transform: translateX(-50%) translateY(0); }
  100% { opacity: 0; transform: translateX(-50%) translateY(14px); }
}

/* ══════════════════════════════════════════════
   SECTIONS (shared)
   ══════════════════════════════════════════════ */

.section {
  position: relative;
  min-height: auto;
  padding: 70px 0 40px;
  z-index: 1;
  box-sizing: border-box;
}
.section-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  width: 100%;
}
.section-header {
  text-align: center;
  margin-bottom: 28px;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  background: rgba(99, 102, 241, 0.06);
  border: 1px solid rgba(99, 102, 241, 0.15);
  border-radius: 50px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--neon-indigo);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.section-tag i { font-size: 11px; }
.section-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.5px;
}
.section-desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ══════════════════════════════════════════════
   PLATFORM SECTION
   ══════════════════════════════════════════════ */

.platform-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
/* ── Neon color mapping per card ── */
.platform-card[data-neon="cyan"]   { --card-neon: #00d4ff; --card-neon-rgb: 0, 212, 255; }
.platform-card[data-neon="purple"] { --card-neon: #bf5fff; --card-neon-rgb: 191, 95, 255; }
.platform-card[data-neon="green"]  { --card-neon: #00ff87; --card-neon-rgb: 0, 255, 135; }
.platform-card[data-neon="pink"]   { --card-neon: #ff3d8f; --card-neon-rgb: 255, 61, 143; }
.platform-card[data-neon="amber"]  { --card-neon: #f59e0b; --card-neon-rgb: 245, 158, 11; }
.platform-card[data-neon="indigo"] { --card-neon: #6366f1; --card-neon-rgb: 99, 102, 241; }

.platform-card {
  background: rgba(12, 12, 30, 0.8);
  border: 1px solid rgba(var(--card-neon-rgb), 0.15);
  border-radius: var(--radius-lg);
  padding: 20px 18px;
  backdrop-filter: blur(16px);
  transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

/* Ambient corner glow */
.platform-card-glow {
  position: absolute;
  top: -60%; left: -60%;
  width: 220%; height: 220%;
  background: radial-gradient(circle at 30% 30%, rgba(var(--card-neon-rgb), 0.08) 0%, transparent 60%);
  pointer-events: none;
  transition: opacity 0.6s ease;
}

/* Animated neon border overlay */
.platform-card-border {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  padding: 1px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.5s ease;
}
.platform-card-border::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(var(--card-neon-rgb), 0.5);
  mask: linear-gradient(135deg, #000, transparent 40%, transparent 60%, #000);
  -webkit-mask: linear-gradient(135deg, #000, transparent 40%, transparent 60%, #000);
  animation: neonBorderSweep 3s linear infinite paused;
}

@keyframes neonBorderSweep {
  0%   { mask: linear-gradient(0deg, #000, transparent 40%, transparent 60%, #000); -webkit-mask: linear-gradient(0deg, #000, transparent 40%, transparent 60%, #000); }
  25%  { mask: linear-gradient(90deg, #000, transparent 40%, transparent 60%, #000); -webkit-mask: linear-gradient(90deg, #000, transparent 40%, transparent 60%, #000); }
  50%  { mask: linear-gradient(180deg, #000, transparent 40%, transparent 60%, #000); -webkit-mask: linear-gradient(180deg, #000, transparent 40%, transparent 60%, #000); }
  75%  { mask: linear-gradient(270deg, #000, transparent 40%, transparent 60%, #000); -webkit-mask: linear-gradient(270deg, #000, transparent 40%, transparent 60%, #000); }
  100% { mask: linear-gradient(360deg, #000, transparent 40%, transparent 60%, #000); -webkit-mask: linear-gradient(360deg, #000, transparent 40%, transparent 60%, #000); }
}

/* Top neon line */
.platform-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--card-neon), transparent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Bottom subtle line */
.platform-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 20%; right: 20%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--card-neon-rgb), 0.3), transparent);
  opacity: 0;
  transition: opacity 0.6s ease;
}

/* Hover state */
.platform-card:hover {
  border-color: rgba(var(--card-neon-rgb), 0.4);
  transform: translateY(-8px);
  box-shadow:
    0 0 20px rgba(var(--card-neon-rgb), 0.1),
    0 0 60px rgba(var(--card-neon-rgb), 0.05),
    0 24px 64px rgba(0, 0, 0, 0.3);
  background: rgba(15, 15, 40, 0.9);
}
.platform-card:hover::before { transform: scaleX(1); }
.platform-card:hover::after { opacity: 1; }
.platform-card:hover .platform-card-glow {
  opacity: 1.5;
  background: radial-gradient(circle at 30% 30%, rgba(var(--card-neon-rgb), 0.15) 0%, transparent 60%);
}
.platform-card:hover .platform-card-border {
  opacity: 1;
}
.platform-card:hover .platform-card-border::before {
  animation-play-state: running;
}

/* ── Large neon icon ── */
.platform-card-icon {
  width: 42px; height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(var(--card-neon-rgb), 0.08);
  border: 1px solid rgba(var(--card-neon-rgb), 0.2);
  font-size: 20px;
  color: var(--card-neon);
  margin-bottom: 12px;
  transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}
.platform-card-icon::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 22px;
  background: radial-gradient(circle, rgba(var(--card-neon-rgb), 0.15), transparent 70%);
  opacity: 0;
  transition: opacity 0.5s ease;
}
.platform-card:hover .platform-card-icon {
  background: rgba(var(--card-neon-rgb), 0.15);
  box-shadow:
    0 0 24px rgba(var(--card-neon-rgb), 0.3),
    0 0 48px rgba(var(--card-neon-rgb), 0.1);
  transform: scale(1.1);
  text-shadow: 0 0 20px rgba(var(--card-neon-rgb), 0.6);
}
.platform-card:hover .platform-card-icon::after { opacity: 1; }

/* ── Staggered entrance animation ── */
.platform-card.animated {
  animation: platformCardIn 0.7s cubic-bezier(0.16, 1, 0.3, 1) both;
}
.platform-card:nth-child(1).animated { animation-delay: 0s; }
.platform-card:nth-child(2).animated { animation-delay: 0.1s; }
.platform-card:nth-child(3).animated { animation-delay: 0.2s; }
.platform-card:nth-child(4).animated { animation-delay: 0.3s; }
.platform-card:nth-child(5).animated { animation-delay: 0.4s; }
.platform-card:nth-child(6).animated { animation-delay: 0.5s; }

@keyframes platformCardIn {
  from {
    opacity: 0;
    transform: translateY(40px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ── Idle neon pulse on icon ── */
@keyframes neonPulse {
  0%, 100% { box-shadow: 0 0 8px rgba(var(--card-neon-rgb), 0.1); }
  50%      { box-shadow: 0 0 18px rgba(var(--card-neon-rgb), 0.25); }
}
.platform-card-icon {
  animation: neonPulse 3s ease-in-out infinite;
}

.platform-card h3 {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
  transition: color 0.4s ease, text-shadow 0.4s ease;
}
.platform-card:hover h3 {
  color: var(--card-neon);
  text-shadow: 0 0 20px rgba(var(--card-neon-rgb), 0.3);
}
.platform-card p {
  font-size: 12px;
  line-height: 1.55;
  color: var(--text-secondary);
}

/* ══════════════════════════════════════════════
   USE CASES — COLORFUL NEON CARDS
   ══════════════════════════════════════════════ */

.use-cases {
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-primary) 100%);
}

/* Grid: 3 cols on desktop, center orphan */
.usecase-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 32px;
}
/* Last row left-aligned — no special positioning */

/* ── Per-card neon color ── */
.usecase-card:nth-child(1) { --uc: #00d4ff; --uc-rgb: 0,212,255; }
.usecase-card:nth-child(2) { --uc: #a855f7; --uc-rgb: 168,85,247; }
.usecase-card:nth-child(3) { --uc: #f43f5e; --uc-rgb: 244,63,94; }
.usecase-card:nth-child(4) { --uc: #00ff87; --uc-rgb: 0,255,135; }
.usecase-card:nth-child(5) { --uc: #6366f1; --uc-rgb: 99,102,241; }
.usecase-card:nth-child(6) { --uc: #f59e0b; --uc-rgb: 245,158,11; }
.usecase-card:nth-child(7) { --uc: #22d3ee; --uc-rgb: 34,211,238; }

/* ── Card base ── */
.usecase-card {
  position: relative;
  background: rgba(12, 12, 28, 0.92);
  border: 1px solid rgba(var(--uc-rgb), 0.18);
  border-radius: 16px;
  padding: 14px 14px 12px;
  cursor: pointer;
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.4s ease;
}
.usecase-card:hover {
  transform: translateY(-6px);
  border-color: rgba(var(--uc-rgb), 0.5);
  box-shadow:
    0 0 25px rgba(var(--uc-rgb), 0.15),
    0 0 60px rgba(var(--uc-rgb), 0.08),
    0 16px 48px rgba(0, 0, 0, 0.35);
}

/* Top neon accent line */
.usecase-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--uc), transparent);
  opacity: 0.6;
  transition: opacity 0.4s;
}
.usecase-card:hover::before { opacity: 1; box-shadow: 0 0 12px var(--uc); }

/* Background glow blob — hidden element repurposed */
.usecase-card-glow {
  position: absolute;
  top: -50px; right: -50px;
  width: 160px; height: 160px;
  border-radius: 50%;
  background: var(--uc);
  opacity: 0.04;
  filter: blur(50px);
  pointer-events: none;
  transition: opacity 0.5s;
}
.usecase-card:hover .usecase-card-glow { opacity: 0.12; }

/* Animated border element — hide, not needed with solid border */
.usecase-card-border { display: none; }

/* Shine sweep */
.usecase-card-shine {
  position: absolute;
  top: 0; left: -100%;
  width: 60%; height: 100%;
  background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,0.03) 46%, rgba(255,255,255,0.06) 50%, rgba(255,255,255,0.03) 54%, transparent 60%);
  transition: left 0.6s ease;
  pointer-events: none;
  z-index: 2;
}
.usecase-card:hover .usecase-card-shine { left: 160%; }

/* ── Content layout — no inner wrapper needed but keep class ── */
.usecase-card-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

/* Icon circle */
.usecase-icon-wrap {
  position: relative;
  width: 36px; height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
}
.usecase-icon-wrap i {
  font-size: 16px;
  color: var(--uc);
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 0 8px rgba(var(--uc-rgb), 0.5));
  transition: transform 0.35s, filter 0.35s;
}
.usecase-card:hover .usecase-icon-wrap i {
  transform: scale(1.15);
  filter: drop-shadow(0 0 16px rgba(var(--uc-rgb), 0.7));
}
.usecase-icon-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1.5px solid rgba(var(--uc-rgb), 0.25);
  background: rgba(var(--uc-rgb), 0.06);
  transition: border-color 0.3s, background 0.3s;
}
.usecase-card:hover .usecase-icon-ring {
  border-color: rgba(var(--uc-rgb), 0.5);
  background: rgba(var(--uc-rgb), 0.1);
}

/* Title */
.usecase-card-title {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
  line-height: 1.3;
  transition: color 0.3s;
}
.usecase-card:hover .usecase-card-title {
  color: var(--uc);
  text-shadow: 0 0 20px rgba(var(--uc-rgb), 0.3);
}

/* Description */
.usecase-card-desc {
  font-size: 11px;
  line-height: 1.5;
  color: var(--text-secondary);
  margin-bottom: 10px;
  flex-grow: 1;
}

/* Badge */
.usecase-card-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: auto;
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1.5px;
  background: rgba(var(--uc-rgb), 0.1);
  color: var(--uc);
  border: 1px solid rgba(var(--uc-rgb), 0.2);
}
.badge-version {
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0;
}

.agent-network-wrapper {
  max-width: 100%;
}
.agent-demo-container {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
  backdrop-filter: blur(16px);
}
/* scenario-btn class is used on usecase-cards for JS click binding — no extra styles needed */
.agent-canvas-container {
  position: relative;
  height: 420px;
  overflow: hidden;
}
#agentCanvas {
  width: 100%;
  height: 100%;
  display: block;
}
.scenario-info {
  position: absolute;
  top: 20px; left: 20px;
  width: 300px;
  background: rgba(10, 10, 26, 0.85);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-md);
  padding: 20px;
  backdrop-filter: blur(16px);
  z-index: 5;
  transition: all 0.5s ease;
}
.scenario-info-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--neon-indigo);
  margin-bottom: 8px;
}
.scenario-info-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 8px;
}
.scenario-info-desc {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 14px;
}
.scenario-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.step-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 5px 0;
  opacity: 0.25;
  transition: all 0.5s ease;
  transform: translateX(-4px);
}
.step-row.active { opacity: 1; transform: translateX(0); }
.step-row.completed { opacity: 0.55; transform: translateX(0); }
.step-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #2a2a4a;
  border: 2px solid #3a3a5a;
  flex-shrink: 0;
  margin-top: 4px;
  transition: all 0.4s;
}
.step-row.active .step-dot {
  background: var(--neon-indigo);
  border-color: var(--neon-indigo);
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
}
.step-row.completed .step-dot {
  background: var(--neon-green);
  border-color: var(--neon-green);
  box-shadow: 0 0 8px rgba(0, 255, 135, 0.3);
}
.step-text {
  font-size: 11px;
  color: #6a6a8e;
  line-height: 1.4;
}
.step-row.active .step-text { color: #c0c0e0; }
.step-agent-name { font-weight: 700; color: #a5b4fc; }

.recommendation-card {
  position: absolute;
  bottom: 20px; right: 20px;
  width: 320px;
  background: rgba(10, 10, 26, 0.85);
  border: 1px solid rgba(244, 114, 182, 0.2);
  border-radius: var(--radius-md);
  padding: 20px;
  backdrop-filter: blur(16px);
  z-index: 5;
  opacity: 0;
  transform: translateY(12px);
  transition: all 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.recommendation-card.visible {
  opacity: 1;
  transform: translateY(0);
}
.rec-badge {
  display: inline-block;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 2px;
  padding: 3px 10px;
  border-radius: 6px;
  background: rgba(244, 114, 182, 0.15);
  color: #f472b6;
  margin-bottom: 10px;
}
.rec-title {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 8px;
}
.rec-body {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.6;
}
.rec-body strong { color: #c4b5fd; font-weight: 600; }
.rec-chain {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}
.rec-chain-node {
  font-size: 9px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 4px;
  background: rgba(99, 102, 241, 0.12);
  color: #a5b4fc;
  white-space: nowrap;
}
.rec-chain-arrow { color: #3a3a5a; font-size: 10px; }

.agent-legend {
  display: flex;
  gap: 24px;
  padding: 12px 24px;
  border-top: 1px solid var(--border-subtle);
  justify-content: center;
}
.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 500;
}
.legend-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ══════════════════════════════════════════════
   S/C AGENT NETWORK (IFRAME EMBED)
   ══════════════════════════════════════════════ */

.agent-network-section {
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-primary) 100%);
  padding-top: 50px;
  padding-bottom: 20px;
}
.agent-network-section .section-header {
  margin-bottom: 16px;
}
.agent-network-embed {
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background: #06060f;
}
.agent-network-embed iframe {
  display: block;
  width: 100%;
  height: calc(100vh - 160px);
  max-height: 460px;
  min-height: 340px;
  border: none;
  background: #06060f;
}

/* ══════════════════════════════════════════════
   WHO WE SERVE
   ══════════════════════════════════════════════ */

.serve-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}
.serve-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 28px 24px;
  backdrop-filter: blur(16px);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.serve-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.3);
}
.serve-card-glow {
  position: absolute;
  top: -100px; right: -100px;
  width: 300px; height: 300px;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.12;
  pointer-events: none;
  transition: opacity 0.4s;
}
.serve-card:hover .serve-card-glow { opacity: 0.2; }
.serve-glow-cyan { background: var(--neon-cyan); }
.serve-glow-purple { background: var(--neon-purple); }
.serve-card-header { margin-bottom: 14px; }
.serve-icon {
  width: 48px; height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-size: 22px;
  margin-bottom: 12px;
}
.serve-card:first-child .serve-icon {
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.15);
  color: var(--neon-cyan);
}
.serve-card:last-child .serve-icon {
  background: rgba(191, 95, 255, 0.08);
  border: 1px solid rgba(191, 95, 255, 0.15);
  color: var(--neon-purple);
}
.serve-revenue {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 4px;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.serve-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
}
.serve-challenge {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.serve-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.serve-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-primary);
}
.serve-features li i {
  width: 30px; height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(99, 102, 241, 0.06);
  border: 1px solid rgba(99, 102, 241, 0.1);
  color: var(--neon-indigo);
  font-size: 14px;
  flex-shrink: 0;
}
.partner-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 12px 24px;
  background: rgba(99, 102, 241, 0.05);
  border: 1px solid rgba(99, 102, 241, 0.12);
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
}
.partner-badge i {
  font-size: 20px;
  color: var(--neon-indigo);
}

/* ══════════════════════════════════════════════
   ABOUT / FOUNDER
   ══════════════════════════════════════════════ */

.about {
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-primary) 100%);
}
.about-content {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 32px;
  align-items: start;
}
.founder-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 28px 24px;
  text-align: center;
  backdrop-filter: blur(16px);
  position: sticky;
  top: 100px;
}
.founder-avatar {
  position: relative;
  width: 80px; height: 80px;
  margin: 0 auto 14px;
}
.avatar-placeholder {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: rgba(99, 102, 241, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  color: var(--neon-indigo);
}
.avatar-ring {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid transparent;
  border-top-color: var(--neon-indigo);
  border-right-color: var(--neon-cyan);
  animation: spinRing 4s linear infinite;
}
@keyframes spinRing {
  to { transform: rotate(360deg); }
}
.founder-name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 4px;
}
.founder-role {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.founder-credentials {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}
.credential {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 12px;
  background: rgba(99, 102, 241, 0.06);
  border: 1px solid rgba(99, 102, 241, 0.12);
  border-radius: 50px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
}
.credential i {
  font-size: 11px;
  color: var(--neon-indigo);
}
.founder-quote blockquote {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px 24px 24px 36px;
  margin-bottom: 20px;
}
.founder-quote blockquote p {
  font-size: 15px;
  line-height: 1.6;
  font-style: italic;
  color: var(--text-primary);
}
.quote-icon {
  position: absolute;
  top: 24px; left: -8px;
  font-size: 28px;
  color: var(--neon-indigo);
  opacity: 0.4;
}
.founder-belief {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
}
.founder-belief h4 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--neon-indigo);
}
.founder-belief p {
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-secondary);
  margin-bottom: 10px;
}
.founder-belief p:last-child { margin-bottom: 0; }

/* ══════════════════════════════════════════════
   CONTACT / CTA
   ══════════════════════════════════════════════ */

.cta-wrapper {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 40px;
  backdrop-filter: blur(16px);
  overflow: hidden;
}
.cta-glow {
  position: absolute;
  top: -200px; left: 50%; transform: translateX(-50%);
  width: 600px; height: 400px;
  background: radial-gradient(ellipse, rgba(99, 102, 241, 0.12), transparent);
  pointer-events: none;
}
.cta-content { position: relative; z-index: 2; text-align: center; }
.cta-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 38px);
  font-weight: 700;
  margin-bottom: 12px;
}
.cta-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 560px;
  margin: 0 auto 24px;
}
.cta-form {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-group {
  position: relative;
}
.form-group.full-width {
  grid-column: 1 / -1;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px 12px 40px;
  background: rgba(15, 15, 35, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text-primary);
  transition: all 0.3s ease;
}
.form-group textarea { padding-top: 14px; resize: vertical; }
.form-group select { cursor: pointer; appearance: none; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--neon-indigo);
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.15);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}
.form-group > i {
  position: absolute;
  top: 16px; left: 16px;
  font-size: 14px;
  color: var(--text-muted);
  pointer-events: none;
}
.cta-form .btn { justify-content: center; margin-top: 8px; }

/* Form validation */
.form-error {
  display: none;
  font-size: 11px;
  color: #f43f5e;
  margin-top: 4px;
  padding-left: 44px;
}
.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
  border-color: #f43f5e !important;
  box-shadow: 0 0 12px rgba(244, 63, 94, 0.15) !important;
}
.form-group.has-error .form-error { display: block; }
.form-group.has-error > i { color: #f43f5e; }

/* Success state */
.cta-form.success .btn {
  background: linear-gradient(135deg, #00ff87, #00d4ff);
  pointer-events: none;
}

/* ══════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════ */

.footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
}
.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 32px;
  padding: 32px 0;
}
.footer-brand { max-width: 320px; }
.footer-logo { height: 36px; margin-bottom: 12px; }
.footer-tagline {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 20px;
}
.footer-social {
  display: flex;
  gap: 12px;
}
.footer-social a {
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(99, 102, 241, 0.06);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 16px;
  transition: all 0.3s ease;
}
.footer-social a:hover {
  background: rgba(99, 102, 241, 0.15);
  border-color: var(--neon-indigo);
  color: var(--neon-indigo);
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.2);
}
.footer-links-grid {
  display: flex;
  gap: 64px;
}
.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col h4 {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.footer-col a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: color 0.3s;
}
.footer-col a:hover { color: var(--neon-indigo); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  border-top: 1px solid var(--border-subtle);
}
.footer-bottom p {
  font-size: 13px;
  color: var(--text-muted);
}
.footer-partner {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
}
.footer-partner i { color: var(--neon-indigo); }

/* ══════════════════════════════════════════════
   USE CASE POPUP MODAL
   ══════════════════════════════════════════════ */

.uc-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(2, 2, 8, 0);
  backdrop-filter: blur(0px);
  pointer-events: none;
  opacity: 0;
  transition: background 0.4s ease, backdrop-filter 0.4s ease, opacity 0.3s ease;
}
.uc-modal-overlay.open {
  pointer-events: auto;
  opacity: 1;
  background: rgba(2, 2, 8, 0.8);
  backdrop-filter: blur(12px);
}

.uc-modal {
  --modal-color: #00d4ff;
  --modal-rgb: 0, 212, 255;
  position: relative;
  width: 90%;
  max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
  background: rgba(8, 8, 22, 0.96);
  border: 1px solid rgba(var(--modal-rgb), 0.2);
  border-radius: 24px;
  padding: 0;
  transform: scale(0.85) translateY(40px);
  opacity: 0;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1),
              opacity 0.4s ease,
              box-shadow 0.5s ease;
}
.uc-modal-overlay.open .uc-modal {
  transform: scale(1) translateY(0);
  opacity: 1;
  box-shadow:
    0 0 40px rgba(var(--modal-rgb), 0.12),
    0 0 100px rgba(var(--modal-rgb), 0.06),
    0 40px 100px rgba(0, 0, 0, 0.5);
}

/* Scrollbar */
.uc-modal::-webkit-scrollbar { width: 4px; }
.uc-modal::-webkit-scrollbar-track { background: transparent; }
.uc-modal::-webkit-scrollbar-thumb { background: rgba(var(--modal-rgb), 0.2); border-radius: 4px; }

/* Close button */
.uc-modal-close {
  position: absolute;
  top: 18px; right: 18px;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
  font-size: 16px;
  cursor: pointer;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}
.uc-modal-close:hover {
  background: rgba(var(--modal-rgb), 0.15);
  color: #fff;
  border-color: rgba(var(--modal-rgb), 0.3);
  box-shadow: 0 0 16px rgba(var(--modal-rgb), 0.2);
}

/* Animated top neon line */
.uc-modal-topline {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--modal-color) 50%, transparent 100%);
  box-shadow: 0 0 20px rgba(var(--modal-rgb), 0.4);
  border-radius: 24px 24px 0 0;
  animation: modalLinePulse 2s ease-in-out infinite;
}
@keyframes modalLinePulse {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}

/* Particle bg dots */
.uc-modal-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  border-radius: 24px;
  pointer-events: none;
}
.uc-modal-particles::before,
.uc-modal-particles::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  background: var(--modal-color);
  filter: blur(60px);
  opacity: 0.05;
}
.uc-modal-particles::before {
  width: 200px; height: 200px;
  top: -60px; right: -60px;
  animation: floatBlob 6s ease-in-out infinite;
}
.uc-modal-particles::after {
  width: 150px; height: 150px;
  bottom: -40px; left: -40px;
  animation: floatBlob 8s ease-in-out infinite reverse;
}
@keyframes floatBlob {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(20px, -20px); }
}

/* Header */
.uc-modal-header {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 36px 36px 0;
  position: relative;
  z-index: 2;
}
.uc-modal-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: rgba(var(--modal-rgb), 0.08);
  border: 1px solid rgba(var(--modal-rgb), 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--modal-color);
  flex-shrink: 0;
  filter: drop-shadow(0 0 10px rgba(var(--modal-rgb), 0.3));
  animation: modalIconIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.15s both;
}
@keyframes modalIconIn {
  from { transform: scale(0.5) rotate(-10deg); opacity: 0; }
  to { transform: scale(1) rotate(0); opacity: 1; }
}
.uc-modal-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
  animation: modalTextIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.2s both;
}
@keyframes modalTextIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Description */
.uc-modal-desc {
  padding: 20px 36px 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-secondary);
  position: relative;
  z-index: 2;
  animation: modalTextIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.25s both;
}

/* Metrics */
.uc-modal-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding: 28px 36px;
  position: relative;
  z-index: 2;
  animation: modalTextIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.35s both;
}
.uc-metric {
  background: rgba(var(--modal-rgb), 0.04);
  border: 1px solid rgba(var(--modal-rgb), 0.1);
  border-radius: 14px;
  padding: 20px 16px;
  text-align: center;
  transition: all 0.3s ease;
}
.uc-metric:hover {
  border-color: rgba(var(--modal-rgb), 0.3);
  background: rgba(var(--modal-rgb), 0.08);
  box-shadow: 0 0 24px rgba(var(--modal-rgb), 0.08);
  transform: translateY(-2px);
}
.uc-metric-icon {
  font-size: 16px;
  color: var(--modal-color);
  margin-bottom: 10px;
  filter: drop-shadow(0 0 8px rgba(var(--modal-rgb), 0.4));
}
.uc-metric-value {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--modal-color);
  text-shadow: 0 0 20px rgba(var(--modal-rgb), 0.3);
  margin-bottom: 4px;
}
.uc-metric-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

/* Features */
.uc-modal-features {
  padding: 0 36px 24px;
  position: relative;
  z-index: 2;
  animation: modalTextIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.45s both;
}
.uc-modal-features h4 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--modal-color);
  margin-bottom: 14px;
  letter-spacing: 0.5px;
}
.uc-modal-features ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.uc-modal-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary);
}
.uc-modal-features li::before {
  content: '\f00c';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 10px;
  color: var(--modal-color);
  margin-top: 4px;
  flex-shrink: 0;
  filter: drop-shadow(0 0 6px rgba(var(--modal-rgb), 0.4));
}

/* Footer */
.uc-modal-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 36px;
  border-top: 1px solid rgba(var(--modal-rgb), 0.08);
  position: relative;
  z-index: 2;
  animation: modalTextIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.5s both;
}
.uc-modal-badge {
  padding: 5px 14px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  background: rgba(var(--modal-rgb), 0.08);
  color: var(--modal-color);
  border: 1px solid rgba(var(--modal-rgb), 0.15);
}
.uc-modal-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  background: linear-gradient(135deg, rgba(var(--modal-rgb), 0.2), rgba(var(--modal-rgb), 0.08));
  border: 1px solid rgba(var(--modal-rgb), 0.25);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--modal-color);
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}
.uc-modal-cta:hover {
  background: linear-gradient(135deg, rgba(var(--modal-rgb), 0.3), rgba(var(--modal-rgb), 0.15));
  box-shadow: 0 0 24px rgba(var(--modal-rgb), 0.2);
  transform: translateY(-2px);
}
.uc-modal-cta i { font-size: 12px; }

/* Modal responsive */
@media (max-width: 640px) {
  .uc-modal { max-width: 95%; }
  .uc-modal-header { padding: 28px 24px 0; }
  .uc-modal-desc { padding: 16px 24px 0; }
  .uc-modal-metrics { padding: 20px 24px; grid-template-columns: 1fr; }
  .uc-modal-features { padding: 0 24px 20px; }
  .uc-modal-footer { padding: 16px 24px; flex-direction: column; gap: 12px; }
}

/* ══════════════════════════════════════════════
   ANIMATIONS
   ══════════════════════════════════════════════ */

/* Scroll-reveal: elements start visible by default, JS adds .scroll-hidden then .scroll-visible */
.scroll-hidden {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.scroll-visible {
  opacity: 1 !important;
  transform: translateY(0) !important;
}
.scroll-hidden:nth-child(2) { transition-delay: 0.1s; }
.scroll-hidden:nth-child(3) { transition-delay: 0.2s; }
.scroll-hidden:nth-child(4) { transition-delay: 0.3s; }
.scroll-hidden:nth-child(5) { transition-delay: 0.4s; }
.scroll-hidden:nth-child(6) { transition-delay: 0.5s; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ══════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════ */

@media (max-width: 1024px) {
  .platform-grid { grid-template-columns: repeat(2, 1fr); }
  .usecase-cards-grid { grid-template-columns: repeat(2, 1fr); }
  .about-content { grid-template-columns: 1fr; }
  .founder-card { position: static; max-width: 400px; margin: 0 auto 32px; }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .nav-links { position: static; transform: none; height: auto; }
  .nav-toggle { display: flex; }
  .nav-links.open {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    top: auto;
    background: var(--bg-mobile-menu, rgba(6, 6, 15, 0.95));
    backdrop-filter: blur(24px);
    padding: 14px 16px 20px;
    border-top: 1px solid var(--border-subtle);
    border-bottom: none;
    border-radius: 20px 20px 0 0;
    z-index: 1001;
    animation: slideUpMenu 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .nav-links.open li { list-style: none; pointer-events: auto; }
  .nav-links.open .nav-link {
    display: block;
    padding: 10px 16px;
    font-size: 13px;
    border-radius: 50px;
    background: rgba(99, 102, 241, 0.06);
    border: 1px solid var(--border-subtle);
    white-space: nowrap;
    pointer-events: auto;
    touch-action: manipulation;
    -webkit-tap-highlight-color: rgba(99, 102, 241, 0.2);
  }
  .nav-links.open .nav-link.active,
  .nav-links.open .nav-link:hover {
    background: rgba(99, 102, 241, 0.15);
    border-color: var(--neon-indigo);
    color: var(--neon-indigo);
  }
  @keyframes slideUpMenu {
    from { transform: translateY(100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
  }
  .theme-toggle { order: 1; }
  .nav-toggle { order: 2; }
  .mobile-menu-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 998;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
  }
  .mobile-menu-backdrop.visible {
    opacity: 1;
    pointer-events: auto;
  }
  .hero { padding: 100px 20px 60px; }
  .hero-title { font-size: clamp(32px, 8vw, 52px); }
  .hero-stats { flex-direction: column; align-items: center; gap: 20px; }
  .stat-card { width: 100%; max-width: 340px; }
  .platform-grid { grid-template-columns: 1fr; }
  .usecase-cards-grid { grid-template-columns: 1fr; }
  .usecase-card-content { padding: 20px; }
  .serve-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .cta-wrapper { padding: 28px 20px; }
  .section { padding: 48px 0; min-height: auto; }
  .section-container { padding: 0 20px; }
  .scenario-selector { flex-wrap: nowrap; }
  .agent-canvas-container { height: 400px; }
  .scenario-info { width: 240px; padding: 14px; }
  .recommendation-card { width: 260px; padding: 14px; }
  .agent-network-embed iframe { height: 65vw; max-height: 400px; min-height: 300px; }
  .footer-top { flex-direction: column; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .agent-legend { flex-wrap: wrap; gap: 12px; justify-content: center; }
}

@media (max-width: 480px) {
  .hero-badge { font-size: 10px; letter-spacing: 1.5px; padding: 6px 14px; }
  .hero-subtitle { font-size: 15px; }
  .scenario-info { display: none; }
  .recommendation-card { width: calc(100% - 40px); left: 20px; right: 20px; bottom: 20px; }
}

/* ══════════════════════════════════════════════
   AGENT NETWORK — MOBILE STATIC VIEW
   ══════════════════════════════════════════════ */

.agent-network-mobile {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 0;
}
.agent-tier-mobile {
  width: 100%;
  text-align: center;
}
.tier-label-mobile {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.tier-nodes-mobile {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-bottom: 4px;
}
.agent-node-mobile {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 50px;
  background: var(--bg-card);
  border: 1px solid rgba(99, 102, 241, 0.15);
  backdrop-filter: blur(12px);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-primary);
  transition: all 0.3s ease;
}
.agent-node-mobile i {
  color: var(--node-color);
  font-size: 12px;
  filter: drop-shadow(0 0 6px var(--node-color));
}
.agent-tier-connector {
  color: var(--neon-indigo);
  font-size: 12px;
  opacity: 0.4;
  padding: 6px 0;
}

/* Light theme overrides */
[data-theme="light"] .agent-node-mobile {
  background: rgba(255, 255, 255, 0.85);
}

/* ══════════════════════════════════════════════
   COOKIE/PRIVACY CONSENT BANNER
   ══════════════════════════════════════════════ */

.cookie-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 9998;
  transform: translateY(100%);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.cookie-banner.visible {
  transform: translateY(0);
}
.cookie-banner-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 16px 32px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  backdrop-filter: blur(20px);
}
.cookie-banner-content p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary);
  flex: 1;
}
.cookie-banner-content strong {
  color: var(--text-primary);
}
.cookie-banner-content a {
  color: var(--neon-indigo);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.cookie-banner-btn {
  padding: 10px 24px;
  background: var(--gradient-main);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.3s ease;
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.2);
}
.cookie-banner-btn:hover {
  box-shadow: 0 0 30px rgba(99, 102, 241, 0.4);
  transform: translateY(-1px);
}
@media (max-width: 768px) {
  .cookie-banner-content {
    flex-direction: column;
    text-align: center;
    padding: 16px 20px;
    gap: 12px;
  }
}