/* ============================================
   OpexMX Landing v2 — Plain HTML/CSS/JS
   Exact styling port from Next.js + Tailwind
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

/* === CSS Custom Properties (Light Theme) === */
:root {
  /* Brand */
  --primary: oklch(0.78 0.18 245);
  --primary-foreground: oklch(0.99 0.005 85);
  --secondary: oklch(0.50 0.18 250);
  --secondary-foreground: oklch(0.95 0.01 220);
  --accent: oklch(0.70 0.12 230);
  --accent-foreground: oklch(0.98 0.005 85);

  /* Backgrounds */
  --background: oklch(0.985 0.003 220);
  --foreground: oklch(0.20 0.015 240);
  --card: oklch(1 0 0);
  --card-foreground: oklch(0.20 0.015 240);
  --popover: oklch(1 0 0);
  --popover-foreground: oklch(0.20 0.015 240);

  /* Muted */
  --muted: oklch(0.95 0.01 220);
  --muted-foreground: oklch(0.50 0.02 240);

  /* Status */
  --destructive: oklch(0.55 0.22 25);
  --destructive-foreground: oklch(0.99 0 0);
  --success: oklch(0.52 0.14 160);
  --warning: oklch(0.70 0.15 70);
  --info: oklch(0.70 0.16 245);

  /* Borders */
  --border: oklch(0.88 0.015 230);
  --input: oklch(0.93 0.02 230);
  --ring: oklch(0.78 0.18 245);

  /* Grid */
  --grid-color: oklch(0.78 0.18 245 / 0.04);

  /* Shadows */
  --shadow-sm: 0 1px 3px 0px oklch(0.20 0.015 240 / 0.08), 0 2px 4px -1px oklch(0.20 0.015 240 / 0.06);
  --shadow-md: 0 4px 6px -1px oklch(0.20 0.015 240 / 0.10), 0 6px 12px -3px oklch(0.20 0.015 240 / 0.08);
  --shadow-lg: 0 8px 12px -2px oklch(0.20 0.015 240 / 0.12), 0 12px 24px -4px oklch(0.20 0.015 240 / 0.08);
  --shadow-xl: 0 12px 20px -4px oklch(0.20 0.015 240 / 0.15), 0 20px 40px -6px oklch(0.20 0.015 240 / 0.10);
  --shadow-2xl: 0 20px 30px -6px oklch(0.20 0.015 240 / 0.18), 0 30px 60px -10px oklch(0.20 0.015 240 / 0.12);

  /* Sizing */
  --radius: 0.5rem;
  --container: 1280px;
  --font-technical: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

/* === Dark Theme === */
[data-theme="dark"] {
  --background: oklch(0.15 0.015 240);
  --foreground: oklch(0.95 0.005 220);
  --card: oklch(0.19 0.02 240);
  --card-foreground: oklch(0.95 0.005 220);
  --popover: oklch(0.19 0.02 240);
  --popover-foreground: oklch(0.95 0.005 220);
  --primary: oklch(0.72 0.16 245);
  --primary-foreground: oklch(0.12 0.01 240);
  --secondary: oklch(0.35 0.12 250);
  --secondary-foreground: oklch(0.90 0.02 220);
  --muted: oklch(0.22 0.015 240);
  --muted-foreground: oklch(0.65 0.015 240);
  --accent: oklch(0.60 0.14 230);
  --accent-foreground: oklch(0.95 0.005 220);
  --destructive: oklch(0.65 0.20 25);
  --success: oklch(0.65 0.14 160);
  --warning: oklch(0.75 0.14 70);
  --info: oklch(0.70 0.14 245);
  --border: oklch(0.25 0.02 240);
  --input: oklch(0.22 0.015 240);
  --ring: oklch(0.72 0.16 245);
  --grid-color: oklch(0.72 0.16 245 / 0.06);
  --shadow-sm: 0 1px 3px 0px oklch(0 0 0 / 0.35), 0 2px 4px -1px oklch(0 0 0 / 0.30);
  --shadow-md: 0 4px 6px -1px oklch(0 0 0 / 0.40), 0 6px 12px -3px oklch(0 0 0 / 0.35);
  --shadow-lg: 0 8px 12px -2px oklch(0 0 0 / 0.45), 0 12px 24px -4px oklch(0 0 0 / 0.40);
  --shadow-xl: 0 12px 20px -4px oklch(0 0 0 / 0.50), 0 20px 40px -6px oklch(0 0 0 / 0.45);
  --shadow-2xl: 0 20px 30px -6px oklch(0 0 0 / 0.55), 0 30px 60px -10px oklch(0 0 0 / 0.50);
}

/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Plus Jakarta Sans', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--background);
  color: var(--foreground);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-image: linear-gradient(var(--grid-color) 1px, transparent 1px), linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
  background-size: 40px 40px;
  background-position: -1px -1px;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; font: inherit; border: none; background: none; }
ul { list-style: none; }

/* === Utility Classes === */
.container { max-width: var(--container); margin: 0 auto; padding: 0 1rem; }
@media (min-width: 640px) { .container { padding: 0 1.5rem; } }
@media (min-width: 1024px) { .container { padding: 0 2rem; } }
.font-technical { font-family: var(--font-technical); letter-spacing: -0.01em; font-variant-numeric: tabular-nums; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* === Glass / Metric Cards === */
.glass {
  background-color: color-mix(in oklch, var(--card) 80%, transparent);
  backdrop-filter: blur(12px);
  border-color: color-mix(in oklch, var(--border) 50%, transparent);
}
.metric-card {
  box-shadow: var(--shadow-sm);
  border: 1px solid color-mix(in oklch, var(--border) 60%, transparent);
  background-color: color-mix(in oklch, var(--card) 95%, transparent);
  backdrop-filter: blur(4px);
  border-radius: 0.75rem;
  position: relative;
  transition: box-shadow 0.2s;
}
.metric-card:hover { box-shadow: var(--shadow-md); }
.border-gradient { position: relative; }
.border-gradient::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, var(--border) 0%, color-mix(in oklch, var(--primary) 20%, transparent) 50%, var(--border) 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* === Status Dots === */
.status-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.status-dot.success { background: var(--success); }
.status-dot.warning { background: var(--warning); }
.status-dot.info { background: var(--info); }

/* === Glow === */
.glow-primary {
  box-shadow: 0 0 20px -4px color-mix(in oklch, var(--primary) 50%, transparent), 0 0 40px -8px color-mix(in oklch, var(--primary) 30%, transparent);
}
[data-theme="dark"] .glow-primary {
  box-shadow: 0 0 20px -4px color-mix(in oklch, var(--primary) 70%, transparent), 0 0 40px -8px color-mix(in oklch, var(--primary) 50%, transparent);
}

/* === Ruler Marks === */
.ruler-marks { position: relative; }
.ruler-marks::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background-image: repeating-linear-gradient(90deg, var(--border) 0px, var(--border) 1px, transparent 1px, transparent 8px);
  opacity: 0.5;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  transition: all 0.2s;
  white-space: nowrap;
  border: 1px solid transparent;
}
.btn-primary {
  background: linear-gradient(to bottom, color-mix(in oklch, var(--primary) 60%, transparent), var(--primary));
  color: var(--primary-foreground);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { opacity: 0.9; }
.btn-outline {
  border-color: var(--border);
  background: var(--background);
  color: var(--foreground);
  box-shadow: 0 1px 2px 0 rgba(0,0,0,0.05);
}
.btn-outline:hover { background: var(--accent); color: var(--accent-foreground); }
.btn-glass {
  background: color-mix(in oklch, var(--card) 80%, transparent);
  backdrop-filter: blur(12px);
  border-color: color-mix(in oklch, var(--border) 50%, transparent);
}
.btn-glass:hover { border-color: var(--primary); background: color-mix(in oklch, var(--primary) 10%, transparent); }
.btn-lg { padding: 0.75rem 2rem; font-size: 1rem; }
.btn-sm { padding: 0.375rem 0.75rem; font-size: 0.75rem; }
.btn-icon { width: 2.25rem; height: 2.25rem; padding: 0; }

/* === Badge === */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid color-mix(in oklch, var(--primary) 20%, transparent);
  background: color-mix(in oklch, var(--primary) 10%, transparent);
  color: var(--primary);
}

/* === Section Decorators === */
.section-decorator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 4rem;
}
.section-decorator .line { height: 1px; width: 4rem; background: linear-gradient(to right, transparent, var(--border)); }
.section-decorator .line:last-child { background: linear-gradient(to left, transparent, var(--border)); }
.section-decorator .dots { display: flex; gap: 4px; }
.section-decorator .dot { width: 4px; height: 4px; border-radius: 50%; }
.section-decorator .dot-1 { background: color-mix(in oklch, var(--primary) 40%, transparent); }
.section-decorator .dot-2 { background: color-mix(in oklch, var(--primary) 60%, transparent); }
.section-decorator .dot-3 { background: var(--primary); }

/* === Grid Background === */
.grid-bg {
  position: absolute;
  inset: 0;
  opacity: 0.20;
  background-image: linear-gradient(var(--grid-color) 1px, transparent 1px), linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

/* === Animations === */
@keyframes appear {
  0% { opacity: 0; transform: translateY(1rem); filter: blur(0.5rem); }
  50% { filter: blur(0); }
  100% { opacity: 1; transform: translateY(0); filter: blur(0); }
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
@keyframes spin { to { transform: rotate(360deg); } }

.animate-appear { animation: appear 0.6s forwards ease-out; }
.animate-pulse { animation: pulse 2s ease-in-out infinite; }

.reveal { opacity: 0; transform: translateY(1rem); transition: opacity 0.6s ease-out, transform 0.6s ease-out; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* === Header === */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid color-mix(in oklch, var(--border) 50%, transparent);
  background: var(--background);
  transition: all 0.3s;
}
.site-header.scrolled {
  background: color-mix(in oklch, var(--background) 80%, transparent);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}
.site-header nav {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
@media (min-width: 640px) { .site-header nav { padding: 1rem 1.5rem; } }
@media (min-width: 1024px) { .site-header nav { padding: 1rem 2rem; } }

.nav-links { display: none; gap: 1.5rem; align-items: center; }
@media (min-width: 1024px) { .nav-links { display: flex; } }
.nav-links a {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  transition: color 0.2s;
  position: relative;
  padding: 0.5rem 0;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s;
}
.nav-links a:hover { color: var(--primary); }
.nav-links a:hover::after { width: 100%; }

.header-actions { display: flex; align-items: center; gap: 0.5rem; }
.mobile-menu-btn { display: flex; }
@media (min-width: 1024px) { .mobile-menu-btn { display: none; } }

.mobile-menu {
  display: none;
  position: fixed;
  top: 57px;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 50;
  background: color-mix(in oklch, var(--card) 90%, transparent);
  backdrop-filter: blur(16px);
  overflow-y: auto;
  padding: 1.5rem;
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block;
  padding: 1rem;
  border-radius: 0.75rem;
  color: var(--muted-foreground);
  font-size: 1rem;
  transition: all 0.2s;
}
.mobile-menu a:hover { color: var(--primary); background: color-mix(in oklch, var(--primary) 5%, transparent); }
.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.2);
  backdrop-filter: blur(4px);
  z-index: 40;
}
.mobile-overlay.open { display: block; }

/* === Hero === */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-bottom: 0;
}
.hero-inner {
  position: relative;
  max-width: var(--container);
  margin: 0 auto;
  padding: 5rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  text-align: center;
}
@media (min-width: 768px) { .hero-inner { padding: 8rem 1.5rem; gap: 3rem; } }
@media (min-width: 1024px) { .hero-inner { padding: 8rem 2rem; gap: 4rem; } }

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  max-width: 64rem;
}
@media (min-width: 768px) { .hero h1 { font-size: 3.75rem; } }
@media (min-width: 1024px) { .hero h1 { font-size: 4.5rem; } }

.hero .highlight {
  display: block;
  background: linear-gradient(to right, var(--primary), color-mix(in oklch, var(--primary) 80%, transparent), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero .description {
  font-size: 1.125rem;
  color: var(--muted-foreground);
  max-width: 42rem;
  line-height: 1.625;
}
@media (min-width: 768px) { .hero .description { font-size: 1.25rem; } }

.hero-features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  max-width: 56rem;
}
@media (min-width: 768px) { .hero-features { grid-template-columns: repeat(3, 1fr); } }
.hero-feature {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  border-radius: 0.5rem;
  background: color-mix(in oklch, var(--card) 80%, transparent);
  backdrop-filter: blur(12px);
  border: 1px solid color-mix(in oklch, var(--border) 50%, transparent);
}
.hero-feature-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.hero-feature-title { font-weight: 600; font-size: 0.875rem; }
.hero-feature-desc { font-size: 0.75rem; color: var(--muted-foreground); }

.hero-mockup {
  position: relative;
  width: 100%;
  padding-top: 2rem;
}
.hero-mockup-frame {
  background: color-mix(in oklch, var(--border) 50%, transparent);
  border-radius: 1rem;
  padding: 0.5rem;
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
  border: 1px solid color-mix(in oklch, var(--border) 70%, transparent);
}
[data-theme="dark"] .hero-mockup-frame {
  border-color: color-mix(in oklch, var(--border) 5%, transparent);
}
.hero-mockup-frame img { width: 100%; border-radius: 0.375rem; display: block; }
.hero-glow {
  position: absolute;
  top: -2rem;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 16rem;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in oklch, var(--primary) 20%, transparent) 10%, transparent 60%);
  opacity: 0.6;
  pointer-events: none;
}
[data-theme="dark"] .hero-glow { opacity: 1; }
.hero-fade {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 8rem;
  background: linear-gradient(to top, var(--background), transparent);
  pointer-events: none;
}

/* === Sections === */
.section {
  position: relative;
  padding: 4rem 0;
  overflow: hidden;
}
@media (min-width: 768px) { .section { padding: 6rem 0; } }
@media (min-width: 1024px) { .section { padding: 8rem 0; } }

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}
@media (min-width: 768px) { .section-header { margin-bottom: 4rem; } }

.section-header h2 {
  font-size: 1.875rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
@media (min-width: 768px) { .section-header h2 { font-size: 2.25rem; } }
@media (min-width: 1024px) { .section-header h2 { font-size: 3rem; } }

.section-header p {
  color: var(--muted-foreground);
  max-width: 42rem;
  margin: 0 auto;
  font-size: 1rem;
  line-height: 1.625;
}
@media (min-width: 768px) { .section-header p { font-size: 1.125rem; } }

.section-header .highlight {
  display: block;
  background: linear-gradient(to right, var(--primary), color-mix(in oklch, var(--primary) 70%, transparent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* === Cards Grid === */
.cards-grid { display: grid; gap: 1rem; }
.cards-grid-3 { grid-template-columns: 1fr; }
@media (min-width: 768px) { .cards-grid-3 { grid-template-columns: repeat(3, 1fr); gap: 1.5rem; } }
.cards-grid-2 { grid-template-columns: 1fr; }
@media (min-width: 768px) { .cards-grid-2 { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; } }
.cards-grid-4 { grid-template-columns: 1fr; }
@media (min-width: 768px) { .cards-grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .cards-grid-4 { grid-template-columns: repeat(4, 1fr); gap: 2rem; } }

/* === Feature Card === */
.feature-card { padding: 1.25rem; }
.feature-card .card-icon {
  position: relative;
  margin-bottom: 1rem;
}
.feature-card .card-icon-bg {
  position: absolute;
  inset: 0;
  background: color-mix(in oklch, var(--primary) 15%, transparent);
  border-radius: 0.5rem;
  filter: blur(12px);
  transition: filter 0.5s;
}
.feature-card:hover .card-icon-bg { filter: blur(16px); }
.feature-card .card-icon-box {
  position: relative;
  width: 3rem;
  height: 3rem;
  background: linear-gradient(135deg, color-mix(in oklch, var(--primary) 20%, transparent), color-mix(in oklch, var(--primary) 5%, transparent));
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid color-mix(in oklch, var(--primary) 20%, transparent);
  transition: all 0.3s;
  color: var(--primary);
}
.feature-card:hover .card-icon-box { transform: scale(1.1); border-color: color-mix(in oklch, var(--primary) 40%, transparent); }
@media (min-width: 768px) { .feature-card .card-icon-box { width: 3.5rem; height: 3.5rem; } }
.feature-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  transition: color 0.3s;
}
.feature-card:hover h3 { color: var(--primary); }
@media (min-width: 768px) { .feature-card h3 { font-size: 1.125rem; } }
.feature-card p { font-size: 0.875rem; color: var(--muted-foreground); line-height: 1.625; }

/* === Corner Accents === */
.corner-accent { position: relative; }
.corner-accent::before, .corner-accent::after {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  transition: opacity 0.3s;
  opacity: 0;
}
.corner-accent::before { top: 0.75rem; right: 0.75rem; border-top: 2px solid color-mix(in oklch, var(--primary) 30%, transparent); border-right: 2px solid color-mix(in oklch, var(--primary) 30%, transparent); border-top-right-radius: 2px; }
.corner-accent::after { bottom: 0.75rem; left: 0.75rem; border-bottom: 2px solid color-mix(in oklch, var(--primary) 30%, transparent); border-left: 2px solid color-mix(in oklch, var(--primary) 30%, transparent); border-bottom-left-radius: 2px; }
.corner-accent:hover::before, .corner-accent:hover::after { opacity: 1; }

/* === Feature Sections (2-col layout) === */
.feature-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}
@media (min-width: 1024px) { .feature-split { grid-template-columns: 1fr 1fr; gap: 5rem; } }

.feature-list-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem;
  border-radius: 0.5rem;
  border: 1px solid color-mix(in oklch, var(--border) 50%, transparent);
  background: color-mix(in oklch, var(--card) 50%, transparent);
  transition: all 0.3s;
  cursor: default;
}
.feature-list-item:hover { border-color: color-mix(in oklch, var(--primary) 30%, transparent); background: color-mix(in oklch, var(--card) 80%, transparent); }

/* === FAQ Accordion === */
.accordion-item {
  border-radius: 0.75rem;
  border: 1px solid color-mix(in oklch, var(--border) 50%, transparent);
  overflow: hidden;
  margin-bottom: 0.75rem;
  background: color-mix(in oklch, var(--card) 80%, transparent);
  backdrop-filter: blur(12px);
  transition: border-color 0.3s;
}
.accordion-item.active { border-color: color-mix(in oklch, var(--primary) 30%, transparent); }
.accordion-trigger {
  width: 100%;
  text-align: left;
  font-weight: 600;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transition: background 0.3s;
  font-size: 1rem;
}
.accordion-trigger:hover { background: color-mix(in oklch, var(--primary) 5%, transparent); }
.accordion-item.active .accordion-trigger { background: color-mix(in oklch, var(--primary) 10%, transparent); }
.accordion-chevron { transition: transform 0.2s; flex-shrink: 0; color: var(--muted-foreground); }
.accordion-item.active .accordion-chevron { transform: rotate(180deg); }
.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out, padding 0.3s ease-out;
}
.accordion-item.active .accordion-content {
  max-height: 500px;
}
.accordion-body {
  padding: 0 1.5rem 1.25rem;
  color: var(--muted-foreground);
  line-height: 1.625;
  padding-left: 3.5rem;
  border-left: 2px solid color-mix(in oklch, var(--border) 30%, transparent);
  margin-left: 1.5rem;
}
.accordion-num {
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  background: color-mix(in oklch, var(--primary) 15%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: var(--primary);
  flex-shrink: 0;
}

/* === Pricing Tabs === */
.pricing-tabs {
  display: flex;
  justify-content: center;
  margin-bottom: 2.5rem;
}
.pricing-tabs-inner {
  display: inline-flex;
  border-radius: 0.75rem;
  padding: 4px;
  background: color-mix(in oklch, var(--card) 80%, transparent);
  backdrop-filter: blur(12px);
  border: 1px solid color-mix(in oklch, var(--border) 50%, transparent);
}
.pricing-tab {
  padding: 0.5rem 1.5rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s;
  color: var(--muted-foreground);
}
.pricing-tab.active { background: var(--background); box-shadow: var(--shadow-sm); color: var(--foreground); }
.pricing-panel { display: none; }
.pricing-panel.active { display: block; }

.pricing-card {
  max-width: 42rem;
  margin: 0 auto;
  background: color-mix(in oklch, var(--card) 80%, transparent);
  backdrop-filter: blur(12px);
  border-radius: 1rem;
  padding: 2.5rem;
  border: 1px solid color-mix(in oklch, var(--border) 50%, transparent);
  box-shadow: var(--shadow-lg);
  text-align: center;
}
.pricing-amount {
  font-size: 3rem;
  font-weight: 800;
  font-family: var(--font-technical);
  letter-spacing: -0.02em;
}
@media (min-width: 768px) { .pricing-amount { font-size: 3.75rem; } }

/* === Roadmap === */
.roadmap-phase-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.roadmap-phase-label .line { flex: 1; height: 1px; background: linear-gradient(to right, transparent, var(--border), transparent); }
.roadmap-phase-label span {
  font-size: 0.75rem;
  font-family: var(--font-technical);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted-foreground);
  padding: 0 0.75rem;
}

.roadmap-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 9999px;
  border: 1px solid;
  font-size: 0.75rem;
  font-weight: 500;
}
.roadmap-status.shipped { background: color-mix(in oklch, var(--success) 10%, transparent); color: var(--success); border-color: color-mix(in oklch, var(--success) 20%, transparent); }
.roadmap-status.in-progress { background: color-mix(in oklch, var(--info) 10%, transparent); color: var(--info); border-color: color-mix(in oklch, var(--info) 20%, transparent); }
.roadmap-status.planned { background: color-mix(in oklch, var(--muted) 50%, transparent); color: var(--muted-foreground); border-color: var(--border); }
.status-indicator { width: 6px; height: 6px; border-radius: 50%; }
.status-indicator.shipped { background: var(--success); }
.status-indicator.in-progress { background: var(--info); animation: pulse 2s ease-in-out infinite; }
.status-indicator.planned { background: var(--muted-foreground); }

/* === Testimonial === */
.testimonial-card {
  position: relative;
  padding: 2.5rem;
  max-width: 48rem;
  margin: 0 auto;
}
@media (min-width: 768px) { .testimonial-card { padding: 2.5rem; } }
.testimonial-quote-mark {
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  font-size: 4rem;
  color: color-mix(in oklch, var(--primary) 10%, transparent);
  line-height: 1;
  font-family: Georgia, serif;
  user-select: none;
}
@media (min-width: 768px) { .testimonial-quote-mark { font-size: 5rem; top: 2.5rem; left: 2.5rem; } }

/* === Mockup / iPhone === */
.iphone-mockup {
  display: flex;
  justify-content: center;
}
.iphone-mockup svg { max-width: 280px; height: auto; }
@media (min-width: 640px) { .iphone-mockup svg { transform: scale(0.9); } }
@media (min-width: 768px) { .iphone-mockup svg { transform: scale(1); } }

/* === Feature Stack Expand === */
.feature-grid-overlay {
  position: relative;
  overflow: hidden;
  max-height: 700px;
}
.feature-grid-overlay .fade-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 12rem;
  background: linear-gradient(to bottom, transparent, color-mix(in oklch, var(--background) 60%, transparent), var(--background));
  pointer-events: none;
}
.feature-grid-overlay.expanded { max-height: none; }
.feature-grid-overlay.expanded .fade-overlay { display: none; }

/* === Footer === */
.site-footer {
  position: relative;
  border-top: 1px solid color-mix(in oklch, var(--border) 50%, transparent);
  background: color-mix(in oklch, var(--card) 30%, transparent);
  backdrop-filter: blur(8px);
}
.site-footer .footer-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  padding: 4rem 0;
}
@media (min-width: 768px) { .site-footer .footer-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .site-footer .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr 1fr; gap: 2.5rem; } }

.footer-heading {
  font-weight: 600;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.footer-heading .bar { width: 4px; height: 1rem; border-radius: 9999px; }
.footer-heading .bar-primary { background: var(--primary); }
.footer-heading .bar-success { background: var(--success); }
.footer-heading .bar-accent { background: var(--accent); }

.footer-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--muted-foreground);
  padding: 0.375rem 0;
  transition: color 0.2s;
}
.footer-link:hover { color: var(--primary); }
.footer-link .dot { width: 2px; height: 2px; border-radius: 50%; background: var(--border); transition: background 0.2s; }
.footer-link:hover .dot { background: var(--primary); }

.footer-bottom {
  border-top: 1px solid color-mix(in oklch, var(--border) 50%, transparent);
  padding: 2rem 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}
@media (min-width: 768px) { .footer-bottom { flex-direction: row; justify-content: space-between; } }

/* === Modal / Dialog === */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  z-index: 100;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.modal-overlay.open { display: flex; }
.modal-content {
  background: var(--card);
  border-radius: 1rem;
  padding: 2rem;
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-xl);
}
.modal-content h2 { font-size: 1.25rem; font-weight: 700; margin-bottom: 0.5rem; }
.modal-content p.desc { color: var(--muted-foreground); font-size: 0.875rem; margin-bottom: 1.5rem; }
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-size: 0.875rem; font-weight: 500; margin-bottom: 0.375rem; }
.form-group label .required { color: var(--destructive); }
.form-group input, .form-group textarea {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--input);
  background: var(--background);
  color: var(--foreground);
  font-size: 0.875rem;
  transition: border-color 0.2s;
}
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--ring); box-shadow: 0 0 0 2px color-mix(in oklch, var(--ring) 30%, transparent); }
.form-group textarea { min-height: 100px; resize: vertical; }
.form-trust { display: flex; flex-wrap: wrap; gap: 0.5rem; font-size: 0.75rem; color: var(--muted-foreground); align-items: center; margin: 0.75rem 0; }
.form-trust svg { color: var(--success); }
.form-actions { display: flex; gap: 0.75rem; margin-top: 1rem; }
.form-actions .btn { flex: 1; }

/* === Success State === */
.form-success { text-align: center; padding: 2rem 0; }
.form-success .icon-circle {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: color-mix(in oklch, var(--primary) 10%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  color: var(--primary);
}
.form-success h3 { font-size: 1.125rem; font-weight: 600; margin-bottom: 0.5rem; }
.form-success p { color: var(--muted-foreground); font-size: 0.875rem; }

/* === Scroll-to-top === */
.scroll-top-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 40;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: var(--primary);
  color: var(--primary-foreground);
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  transition: opacity 0.3s;
  border: none;
  cursor: pointer;
}
.scroll-top-btn.visible { display: flex; }

/* === Animated Counter === */
.counter { font-family: var(--font-technical); }

/* === Feature docs grid === */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 768px) { .features-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .features-grid { grid-template-columns: repeat(3, 1fr); } }

.feature-doc-card {
  display: block;
  padding: 1.5rem;
  border-radius: 0.5rem;
  border: 1px solid var(--border);
  background: color-mix(in oklch, var(--card) 50%, transparent);
  transition: all 0.2s;
}
.feature-doc-card:hover { border-color: color-mix(in oklch, var(--primary) 50%, transparent); background: var(--card); }
.feature-doc-card h3 { font-weight: 600; margin-bottom: 0.5rem; }
.feature-doc-card p { font-size: 0.875rem; color: var(--muted-foreground); }
.feature-doc-card .read-more {
  display: inline-flex;
  align-items: center;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--primary);
  margin-top: 1rem;
}

/* === Currency Toggle === */
.currency-toggle {
  display: inline-flex;
  border-radius: 0.75rem;
  padding: 4px;
  background: color-mix(in oklch, var(--card) 80%, transparent);
  backdrop-filter: blur(12px);
  border: 1px solid color-mix(in oklch, var(--border) 50%, transparent);
}
.currency-btn {
  padding: 0.375rem 1rem;
  border-radius: 0.5rem;
  font-family: var(--font-technical);
  font-size: 0.75rem;
  min-width: 70px;
  transition: all 0.2s;
}
.currency-btn.active { background: var(--primary); color: var(--primary-foreground); }

/* === Integration protocols === */
.protocol-tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-family: var(--font-technical);
  border-radius: 9999px;
  border: 1px solid color-mix(in oklch, var(--primary) 20%, transparent);
  background: color-mix(in oklch, var(--primary) 5%, transparent);
  color: var(--primary);
}

/* === Event Card === */
.event-card {
  background: color-mix(in oklch, var(--card) 80%, transparent);
  backdrop-filter: blur(12px);
  border-radius: 0.75rem;
  border: 1px solid color-mix(in oklch, var(--border) 50%, transparent);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: border-color 0.3s;
}
.event-card:hover { border-color: color-mix(in oklch, var(--primary) 30%, transparent); }

/* === Who We Are === */
.about-logo-card {
  position: relative;
  display: inline-block;
  margin: 2.5rem auto;
}
.about-logo-inner {
  position: relative;
  background: color-mix(in oklch, var(--card) 80%, transparent);
  backdrop-filter: blur(12px);
  border-radius: 1rem;
  padding: 2rem;
  border: 1px solid color-mix(in oklch, var(--border) 50%, transparent);
}

/* === Language Toggle === */
.lang-toggle { display: flex; align-items: center; gap: 4px; }
.lang-btn {
  padding: 0.375rem 0.75rem;
  border-radius: 0.5rem;
  font-family: var(--font-technical);
  font-size: 0.75rem;
  min-width: 40px;
  transition: all 0.2s;
  color: var(--muted-foreground);
}
.lang-btn.active { background: var(--primary); color: var(--primary-foreground); }

/* === Theme Toggle === */
.theme-btn { position: relative; }
.theme-btn .sun, .theme-btn .moon { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; transition: all 0.2s; }
[data-theme="dark"] .theme-btn .sun { transform: rotate(90deg) scale(0); }
[data-theme="light"] .theme-btn .moon { transform: rotate(-90deg) scale(0); }

/* === How It Works Steps === */
.step-connector {
  display: none;
  position: absolute;
  top: 2.5rem;
  left: calc(50% + 40px);
  width: calc(100% - 80px);
  height: 1px;
}
@media (min-width: 768px) { .step-connector { display: block; } }
.step-connector-line { height: 100%; background: linear-gradient(to right, var(--border), color-mix(in oklch, var(--primary) 30%, transparent), var(--border)); }

/* === Screenshot stacked cards === */
.stacked-cards { position: relative; height: 400px; }
@media (min-width: 1024px) { .stacked-cards { height: 500px; } }
.stacked-card {
  position: absolute;
  transition: all 0.5s ease-out;
  cursor: pointer;
  background: color-mix(in oklch, var(--card) 80%, transparent);
  backdrop-filter: blur(12px);
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
  border: 1px solid color-mix(in oklch, var(--border) 50%, transparent);
}
.stacked-card:hover { z-index: 40 !important; transform: scale(1.05) !important; border-color: color-mix(in oklch, var(--primary) 40%, transparent); }

/* === Fullscreen Lightbox === */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(0,0,0,0.8);
  backdrop-filter: blur(4px);
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 100%; max-height: 90vh; border-radius: 0.75rem; border: 1px solid var(--border); }
.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  color: white;
  background: rgba(0,0,0,0.5);
  border: none;
  border-radius: 50%;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* === Roadmap feature request CTA === */
.feature-request-card {
  max-width: 42rem;
  margin: 3rem auto 0;
  background: color-mix(in oklch, var(--card) 80%, transparent);
  backdrop-filter: blur(12px);
  border-radius: 1rem;
  border: 1px solid color-mix(in oklch, var(--border) 50%, transparent);
  padding: 1.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  text-align: center;
}
@media (min-width: 768px) { .feature-request-card { flex-direction: row; justify-content: space-between; text-align: left; } }