/* ═══════════════════════════════════════════════════════════════
   Neo Tariff — Design System
   ─────────────────────────────────────────────────────────────
   This is the single source of truth for all visual styling.
   Edit this file to change fonts, colors, spacing site-wide.
   ═══════════════════════════════════════════════════════════════ */

/* ── Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&family=Source+Serif+4:ital,opsz,wght@0,8..60,300;0,8..60,400;0,8..60,600;0,8..60,700;1,8..60,400&family=JetBrains+Mono:wght@400;500&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&display=swap');

/* ── Reset ── */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
::selection {
  background: var(--accent);
  color: #fff;
}

/* ════════════════════════════════════════════
   DESIGN TOKENS — Change these to restyle everything
   ════════════════════════════════════════════ */
:root {
  /* Primary Accent Color Version 1 - Purple
     Hex: #6C63FF | Bright: #7B73FF | Dim: #5A52E0 */
  /* --accent-rgb: 108, 99, 255;
  --accent-bright-rgb: 123, 115, 255;
  --accent-dim-rgb: 90, 82, 224; */

  /* Primary Accent Color Version 2 - Orange
     Hex: #E96F49 | Bright: #F99E6E | Dim: #D2643C */
  --accent-rgb: 233, 111, 73;
  --accent-bright-rgb: 249, 158, 110;
  --accent-dim-rgb: 210, 100, 60;

  /*
     NOTE: Favicon & PWA icons don't use CSS variables — they must be
     updated manually when switching accent colors. Update these files:
       • /favicon.svg            — change the fill="#HEX" value
       • /site.webmanifest       — change "theme_color"
       • /favicon.ico            — regenerate from updated SVG
       • /apple-touch-icon.png   — regenerate from updated SVG
       • /icon-192.png           — regenerate from updated SVG
       • /icon-512.png           — regenerate from updated SVG
  */

  /* Accent Colors - Computed from RGB channels */
  --accent: rgb(var(--accent-rgb));
  --accent-bright: rgb(var(--accent-bright-rgb));
  --accent-dim: rgb(var(--accent-dim-rgb));
  --accent-glow: rgba(var(--accent-rgb), 0.15);
  --accent-subtle: rgba(var(--accent-rgb), 0.08);

  /* Secondary accent (warm — available for highlights, not primary) */
  --accent-warm-rgb: 233, 111, 73;
  --accent-warm: rgb(var(--accent-warm-rgb));

  /* Backgrounds (RGB channels for rgba() usage) */
  --bg-rgb: 0, 3, 25;
  --bg-card-rgb: 14, 15, 36;
  --bg-card-hover-rgb: 20, 22, 43;
  --bg-elevated-rgb: 24, 28, 48;
  --bg: rgb(var(--bg-rgb));
  --bg-card: rgb(var(--bg-card-rgb));
  --bg-card-hover: rgb(var(--bg-card-hover-rgb));
  --bg-elevated: rgb(var(--bg-elevated-rgb));

  /* Text hierarchy */
  --text-primary-rgb: 228, 226, 221;
  --text-primary: rgb(var(--text-primary-rgb));
  --text-secondary: rgba(255, 255, 255, 0.7);
  --text-muted: rgba(255, 255, 255, 0.42);

  /* Borders */
  --border: rgba(255, 255, 255, 0.12);
  --border-light: rgba(255, 255, 255, 0.07);

  /* Semantic colors */
  --green: #4ade80;
  --red: #f87171;
  --orange: #fbbf24;
  --blue: #60a5fa;

  /* Font sizes */
  --fs-xs: 11px;
  --fs-sm: 13px;
  --fs-base: 14px;
  --fs-md: 17px;

  /* Line heights */
  --lh-tight: 1.15;
  --lh-heading: 1.2;
  --lh-snug: 1.4;
  --lh-body: 1.6;
  --lh-relaxed: 1.75;

  /* Border radius */
  --radius-sm: 4px;
  --radius-btn: 6px;
  --radius: 8px;

  /* Shadows */
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.25), 0 1px 3px rgba(0, 0, 0, 0.15);
  --shadow-card-hover: 0 4px 16px rgba(0, 0, 0, 0.35), 0 2px 6px rgba(0, 0, 0, 0.2);

  /* Easing */
  --ease: cubic-bezier(0.44, 0, 0.56, 1);

  /* Layout */
  --max-width: 1180px;
  --max-narrow: 800px;
  --nav-height: 60px;
  --scroll-offset: 80px;
  --section-pad: 80px 48px;

  /* Font Families */
  --font-sans: 'DM Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --font-serif: 'Source Serif 4', serif;
  --font-display: 'Plus Jakarta Sans', sans-serif;
  --font-heading: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --font-code: 'JetBrains Mono', monospace;
}

/* ════════════════════════════════════════════
   FONT UTILITY CLASSES
   ════════════════════════════════════════════ */
.sans {
  font-family:
    'DM Sans',
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
}
.mono {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
}
.serif {
  font-family: 'Source Serif 4', Georgia, serif;
}
.display {
  font-family: 'Plus Jakarta Sans', sans-serif;
}
h1,
h2,
h3 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  /* font-weight: 600; */
  letter-spacing: -0.02em;
}

/* Scroll-anchor offset (clears fixed nav) */
[data-animate][id] {
  scroll-margin-top: var(--scroll-offset);
}

/* ════════════════════════════════════════════
   ANIMATIONS
   ════════════════════════════════════════════ */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.anim {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.65s var(--ease),
    transform 0.65s var(--ease);
}
.anim.vis {
  opacity: 1;
  transform: translateY(0);
}

.hero-line {
  overflow: hidden;
  padding-bottom: 10px;
  margin-bottom: -10px;
}
.hero-line span {
  display: inline-block;
  animation: fadeUp 0.8s var(--ease) forwards;
  opacity: 0;
}
.hero-line:nth-child(1) span {
  animation-delay: 0.15s;
}
.hero-line:nth-child(2) span {
  animation-delay: 0.3s;
}
.hero-line:nth-child(3) span {
  animation-delay: 0.45s;
}

/* ── NeoHero Component ── */

.neo-hero {
  padding: 140px 48px 64px;
  position: relative;
}
.neo-hero--full {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 140px 48px 80px;
}

.neo-hero__glow {
  position: absolute;
  top: 0;
  height: 100%;
  pointer-events: none;
}

.neo-hero__content {
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
}
.neo-hero__content--left {
  margin: 0;
}

.neo-hero__title {
  font-size: 52px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin-bottom: 18px;
}
.neo-hero__title--lg {
  font-size: 64px;
  margin-bottom: 32px;
}

.neo-hero__desc {
  font-size: var(--fs-md);
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 28px;
}
.neo-hero--full .neo-hero__desc {
  margin-bottom: 44px;
}

.neo-hero__ctas {
  display: flex;
  gap: 14px;
}

.neo-hero__stats {
  display: flex;
  gap: 28px;
  font-size: var(--fs-sm);
}
.neo-hero__stats--with-ctas {
  margin-top: 28px;
}

.neo-hero__stat {
  display: flex;
  align-items: center;
  gap: 8px;
}
.neo-hero__stat-val {
  color: var(--accent);
  font-weight: 600;
  font-size: var(--fs-base);
}
.neo-hero__stat-label {
  color: var(--text-muted);
}

.neo-hero__scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.neo-hero__scroll-text {
  font-size: 9.5px;
  color: var(--text-muted);
  letter-spacing: 0.12em;
}
.neo-hero__scroll-line {
  width: 1px;
  height: 36px;
  background: linear-gradient(180deg, var(--text-muted), transparent);
}

/* ════════════════════════════════════════════
   SHARED COMPONENT STYLES
   ════════════════════════════════════════════ */

/* Section label (monospace tag above headings) */
.section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.section-label--anchor {
  position: relative;
  display: inline-block;
}
.section-label__link {
  color: inherit;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.section-label__icon {
  display: inline-flex;
  align-items: center;
  opacity: 0;
  transition: opacity 0.2s, color 0.2s;
  color: var(--text-muted);
  cursor: pointer;
  flex-shrink: 0;
}
.section-label--anchor:hover .section-label__icon {
  opacity: 1;
}
.section-label__icon:hover {
  color: var(--accent);
}
.section-label__tooltip {
  position: absolute;
  left: 0;
  top: -28px;
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: normal;
  text-transform: none;
  padding: 4px 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--accent);
  white-space: nowrap;
  pointer-events: none;
  animation: fadeIn 0.15s var(--ease);
}

/* Divider line */
.divider {
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--border) 20%,
    rgba(var(--accent-rgb), 0.25) 50%,
    var(--border) 80%,
    transparent 100%
  );
  margin: 0 auto;
  max-width: var(--max-width);
}

/* Section layout */
.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}
.section-inner-narrow {
  max-width: var(--max-narrow);
  margin: 0 auto;
}

/* Section typography */
.section-heading {
  font-size: 34px;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.section-heading-sm {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.section-heading-lg {
  font-size: 36px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.section-desc {
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--text-secondary);
}

/* CTA glow background */
.cta-glow {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 100%;
  background: radial-gradient(ellipse at 50% 30%, rgba(var(--accent-bright-rgb), 0.1) 0%, transparent 65%);
  pointer-events: none;
}

/* Accent link (e.g. "Learn more →") */
.accent-link {
  color: var(--accent);
  font-size: var(--fs-sm);
  font-weight: 500;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Blockquote */
.blockquote {
  font-size: 21px;
  font-style: italic;
  line-height: 1.6;
  color: var(--text-secondary);
}
.blockquote-attr {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

/* Info card (generic bordered card without hover effects) */
.info-card {
  padding: 24px 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
}

/* CTA button row */
.cta-row {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: nowrap;
}

/* Grain overlay */
.grain {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  opacity: 0.025;
  z-index: 9999;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ── Buttons ── */
.cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 30px;
  min-width: 160px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  font-size: var(--fs-base);
  letter-spacing: 0.02em;
  border: none;
  cursor: pointer;
  transition: all 0.3s;
  border-radius: var(--radius-btn);
  white-space: nowrap;
}
/* ── CTA Button Widths ── */
.cta-btn.w120 {
  min-width: 120px;
}
.cta-btn.w140 {
  min-width: 140px;
}
.cta-btn.w160 {
  min-width: 160px;
}
.cta-btn.w200 {
  min-width: 200px;
}
.cta-btn.w250 {
  min-width: 250px;
}
/* ── CTA Condensed ── */
.cta-btn-condensed {
  padding: 8px 20px;
  font-size: var(--fs-sm);
  font-weight: 500;
  border-radius: var(--radius-btn);
}
/* ── CTA Button Hover ── */
.cta-btn:hover {
  background: var(--accent-bright);
  transform: translateY(-1px);
  box-shadow: 0 4px 24px rgba(var(--accent-rgb), 0.35);
}
.cta-btn-outline {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
}
.cta-btn-outline:hover {
  background: var(--accent-subtle);
  box-shadow: 0 4px 24px rgba(var(--accent-rgb), 0.15);
}
.cta-btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}
.cta-btn-ghost:hover {
  border-color: rgba(var(--accent-rgb), 0.3);
  color: var(--text-primary);
}

/* ── Navigation ── */
.neo-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 48px;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(var(--bg-rgb), 0.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s var(--ease);
}
.neo-nav--transparent {
  background: transparent;
  backdrop-filter: none;
  border-bottom-color: transparent;
}
.neo-nav--transparent.neo-nav--scrolled {
  background: rgba(var(--bg-rgb), 0.94);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--border);
}
.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--fs-sm);
  font-weight: 400;
  transition: color 0.2s;
  letter-spacing: 0.01em;
}
.nav-link:hover {
  color: var(--text-primary);
}

/* Dropdown menus */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  background: rgba(var(--bg-card-rgb), 0.98);
  border: 1px solid var(--border);
  backdrop-filter: blur(16px);
  padding: 0;
  min-width: 200px;
  opacity: 0;
  pointer-events: none;
  transition: all 0.2s var(--ease);
  transform: translateX(-50%) translateY(4px);
  z-index: 200;
}
.dropdown-menu.open {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.dropdown-menu a,
.dropdown-menu .dd-label {
  display: block;
  padding: 8px 20px;
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.15s;
}
.dropdown-menu a:hover {
  color: var(--text-primary);
  background: var(--accent-subtle);
}
.dropdown-menu .dd-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  padding: 12px 20px 4px;
  cursor: default;
  border-top: 1px solid var(--border);
  margin-top: 4px;
}
.dropdown-menu .dd-label:first-child {
  border-top: none;
  margin-top: 0;
}

/* ── Cards ── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
}
.stat-card {
  position: relative;
  text-align: center;
  padding: 28px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: all 0.3s var(--ease);
}
.stat-card:hover {
  border-color: rgba(var(--accent-rgb), 0.2);
  box-shadow: var(--shadow-card-hover);
}
.stat-card:hover .stat-val {
  color: var(--accent-bright);
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform 0.4s var(--ease);
}
.stat-card:hover::before {
  transform: scaleX(1);
}
.stat-val {
  font-family: 'JetBrains Mono', monospace;
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.03em;
  margin-bottom: 6px;
  line-height: 1;
  transition: color 0.3s;
}
.stat-label {
  font-family: 'DM Sans', sans-serif;
  font-size: var(--fs-sm);
  font-weight: 600;
  margin-bottom: 4px;
  line-height: 1.4;
}
.stat-sub {
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.4;
}

.lane-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  box-shadow: var(--shadow-card);
  padding: 32px 26px;
  transition: all 0.3s var(--ease);
  height: 100%;
}
.lane-card:hover {
  border-color: rgba(var(--accent-rgb), 0.3);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

/* ── FAQ ── */
.faq-item {
  border-bottom: 1px solid var(--border-light);
}
.faq-q {
  padding: 22px 0;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color 0.2s;
}
.faq-q:hover {
  color: var(--accent);
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition:
    max-height 0.4s var(--ease),
    padding 0.4s var(--ease);
  padding: 0;
}
.faq-a.open {
  max-height: 300px;
  padding: 0 0 22px 0;
}

/* ── Comparison Table ── */
.comparison-row {
  display: grid;
  grid-template-columns: 190px 1fr 1fr;
  gap: 0;
  border-bottom: 1px solid var(--border-light);
}
.comparison-row > div {
  padding: 12px 16px;
}
.comparison-row:hover {
  background: var(--accent-subtle);
}

/* ── Feature Tab (Platform) ── */
.feature-tab {
  padding: 16px 20px;
  cursor: pointer;
  border-left: 2px solid transparent;
  transition: all 0.25s var(--ease);
  background: transparent;
}
.feature-tab:hover {
  background: var(--accent-subtle);
}
.feature-tab.active {
  border-left-color: var(--accent);
  background: var(--accent-subtle);
}

/* ── Image Placeholder ── */
.img-placeholder {
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.img-placeholder::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid rgba(var(--accent-rgb), 0.15);
  border-radius: var(--radius);
  pointer-events: none;
}

/* ── Side Nav dots (Overview) ── */
.side-dot {
  display: block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1.5px solid var(--text-muted);
  background: transparent;
  cursor: pointer;
  transition: all 0.3s var(--ease);
  position: relative;
}
.side-dot.active {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: 0 0 8px rgba(var(--accent-rgb), 0.4);
}
.side-dot:hover {
  border-color: var(--accent);
  transform: scale(1.3);
}
.side-dot-label {
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  white-space: nowrap;
  font-size: var(--fs-xs);
  padding: 4px 10px;
  background: rgba(var(--bg-card-rgb), 0.95);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s;
}
.side-dot:hover .side-dot-label,
.side-dot-label.show {
  opacity: 1;
}

/* ── Technology Page ── */
.stage-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  cursor: pointer;
  transition: all 0.3s var(--ease);
  position: relative;
  overflow: hidden;
}
.stage-card:hover {
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-card-hover);
}
.stage-card.ip {
  border-left: 3px solid rgba(var(--accent-rgb), 0.25);
}
.stage-card.ip.active {
  border-left-color: var(--accent);
  border-color: rgba(var(--accent-rgb), 0.2);
}
.stage-card.std {
  border-left: 3px solid var(--bg-elevated);
}
.stage-card.active {
  border-color: rgba(var(--accent-rgb), 0.2);
}

.arch-layer {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  box-shadow: var(--shadow-card);
  padding: 20px 24px;
  transition: all 0.3s var(--ease);
  position: relative;
}
.arch-layer:hover {
  border-color: rgba(var(--accent-rgb), 0.2);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-card-hover);
}
.arch-layer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: transparent;
  transition: background 0.3s;
}
.arch-layer:hover::before {
  background: linear-gradient(90deg, transparent, rgba(var(--accent-rgb), 0.3), transparent);
}

.flow-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 18px;
}

/* ── API Page ── */
.group-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  box-shadow: var(--shadow-card);
  transition: all 0.3s;
  cursor: pointer;
  overflow: hidden;
}
.group-card:hover {
  border-color: rgba(var(--accent-rgb), 0.2);
  box-shadow: var(--shadow-card-hover);
}
.group-card.expanded {
  border-color: rgba(var(--accent-rgb), 0.25);
}
.method-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px;
  font-weight: 600;
  padding: 2px 7px;
  letter-spacing: 0.05em;
  border-radius: var(--radius-sm);
}
.method-get {
  background: rgba(96, 165, 250, 0.1);
  border: 1px solid rgba(96, 165, 250, 0.2);
  color: var(--blue);
}
.method-post {
  background: rgba(74, 222, 128, 0.1);
  border: 1px solid rgba(74, 222, 128, 0.2);
  color: var(--green);
}

/* ── SDK Page ── */
.sdk-group {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  box-shadow: var(--shadow-card);
  transition: all 0.3s;
  overflow: hidden;
}
.sdk-group:hover {
  border-color: rgba(var(--accent-rgb), 0.2);
  box-shadow: var(--shadow-card-hover);
}
.sdk-group.expanded {
  border-color: rgba(var(--accent-rgb), 0.25);
}

/* ── Pricing Page — Unified Pricing Bar ── */
.pricing-bar {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.pb-header,
.pb-body {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.pb-header {
  border-bottom: 1px solid var(--border);
}
.pb-col {
  padding: 18px 22px;
  border-right: 1px solid var(--border);
  position: relative;
}
.pb-col:last-child { border-right: none; }
.pb-col-bar {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
}
.pb-tag {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 5px;
}
.pb-price {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
}
.pb-cta {
  display: block;
  text-align: center;
  padding: 7px 12px;
  border-radius: var(--radius-btn);
  font-size: var(--fs-xs);
  font-weight: 600;
  text-decoration: none;
  transition: opacity 0.2s;
}
.pb-cta:hover { opacity: 0.8; }
.pb-cta-fill {
  background: var(--accent);
  color: #fff;
}
.pb-cta-outline {
  border: 1px solid var(--orange);
  color: var(--orange);
}
.pb-details {
  padding: 12px 22px 14px;
  border-right: 1px solid var(--border);
}
.pb-details:last-child { border-right: none; }
.pb-detail {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 3px 0;
}

/* Prepaid expandable trigger */
.prepaid-trigger {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--accent);
  padding: 3px 0;
  border: none;
  background: none;
  font-family: inherit;
  transition: opacity 0.15s;
  text-align: left;
}
.prepaid-trigger:hover { opacity: 0.8; }
.trigger-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 15px; height: 15px;
  border: 1px solid rgba(var(--accent-rgb), 0.4);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  transition: background 0.2s;
}
.prepaid-trigger:hover .trigger-icon {
  background: rgba(var(--accent-rgb), 0.12);
}
.trigger-chevron {
  transition: transform 0.28s var(--ease);
}
.prepaid-trigger.open .trigger-chevron {
  transform: rotate(180deg);
}

/* Prepaid expandable section */
.prepaid-expandable {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.3s var(--ease), border-color 0.3s ease;
  border-top: 0px solid transparent;
}
.prepaid-expandable.open {
  grid-template-rows: 1fr;
  border-top: 1px solid rgba(var(--accent-rgb), 0.12);
}
.prepaid-expandable-inner { overflow: hidden; }
.prepaid-content {
  padding: 14px 22px 16px;
  background: rgba(var(--accent-rgb), 0.03);
}
.prepaid-strip-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.prepaid-tiers {
  display: flex;
  align-items: center;
  max-width: 500px;
}
.prepaid-tier {
  flex: 1;
  text-align: center;
  position: relative;
}
.prepaid-tier:not(:last-child)::after {
  content: '\2192';
  position: absolute;
  right: -6px; top: 45%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 12px;
}
.pt-name {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 3px;
}
.pt-rate {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}
.pt-rate.muted { color: var(--text-secondary); }
.pt-save {
  font-size: 10px;
  font-weight: 600;
  color: var(--green);
  background: rgba(74, 222, 128, 0.1);
  border-radius: var(--radius-sm);
  padding: 1px 5px;
  display: inline-block;
}
.pt-save.none { opacity: 0; }
.prepaid-footer {
  margin-top: 10px;
  font-size: var(--fs-xs);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 5px;
}
.prepaid-footer a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}
.prepaid-footer a:hover { text-decoration: underline; }

/* ── Inclusion tags (What's Included pills) ── */
.inc-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}
.inc-tag {
  display: flex;
  align-items: center;
  gap: 5px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 5px 12px;
  font-size: 12px;
  color: var(--text-secondary);
}
.inc-tag.on {
  color: var(--text-primary);
  border-color: rgba(74, 222, 128, 0.15);
}
.inc-tag.off { opacity: 0.45; }

/* ── Platform Page — Feature Card (Alternating Split) ── */
.feature-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

/* Flip: image on right */
.feature-card.fc-flip .fc-image,
.feature-card.fc-flip .fc-image-placeholder {
  order: 2;
}
.feature-card.fc-flip .fc-content {
  order: 1;
}

/* Image column */
.fc-image {
  position: relative;
  min-height: 360px;
  overflow: hidden;
}
.fc-image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 130%;
  height: 100%;
  object-fit: cover;
  object-position: top left;
}

/* Gradient fade on inner edge */
.fc-image::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 80px;
  height: 100%;
  background: linear-gradient(to right, transparent, var(--bg-card));
  z-index: 1;
}
.feature-card.fc-flip .fc-image::after {
  right: auto;
  left: 0;
  background: linear-gradient(to left, transparent, var(--bg-card));
}

/* Placeholder for missing images */
.fc-image-placeholder {
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.fc-ph-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: rgba(var(--accent-rgb), 0.1);
  border: 1px solid rgba(var(--accent-rgb), 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Content column */
.fc-content {
  padding: 32px 36px;
  display: flex;
  flex-direction: column;
}
.fc-header {
  margin-bottom: 14px;
}
.fc-title {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin-bottom: 4px;
}
.fc-subtitle {
  font-size: var(--fs-sm);
  color: var(--accent);
  font-weight: 500;
}
.fc-desc {
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 18px;
}

/* Key features list */
.fc-features {
  flex: 1;
  margin-bottom: 16px;
}
.fc-features-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.fc-feat-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 5px 0;
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-secondary);
}
.fc-feat-arrow {
  color: var(--accent);
  font-size: 10px;
  margin-top: 2px;
  flex-shrink: 0;
  opacity: 0.6;
}

/* Tags footer */
.fc-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.fc-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px;
  padding: 3px 9px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

/* ── Screenshot Component ── */
.neo-screenshot {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  transition:
    border-color 0.3s,
    box-shadow 0.3s;
}
.neo-screenshot:hover {
  border-color: rgba(var(--accent-rgb), 0.3);
  box-shadow: var(--shadow-card-hover);
}
.neo-screenshot:hover img {
  transform-origin: inherit;
  filter: brightness(1.04);
}
.neo-screenshot-hint {
  position: absolute;
  bottom: 10px;
  right: 12px;
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 10.5px;
  color: rgba(255, 255, 255, 0.35);
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(6px);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  opacity: 0;
  transition: opacity 0.25s;
  pointer-events: none;
}
.neo-screenshot:hover .neo-screenshot-hint {
  opacity: 1;
}

/* Lightbox overlay */
.neo-lightbox {
  position: fixed;
  inset: 0;
  z-index: 999999;
  background: rgba(var(--bg-rgb), 0.92);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
  animation: lbFadeIn 0.2s var(--ease) both;
  padding: 40px;
}
.neo-lightbox img {
  cursor: default;
  animation: lbScaleIn 0.25s var(--ease) both;
  max-width: min(1200px, 90vw);
  max-height: 85vh;
}
.neo-lightbox-close {
  position: fixed;
  top: 20px;
  right: 24px;
  z-index: 999999;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: rgba(255, 255, 255, 0.8);
  font-size: 18px;
  width: 35px;
  height: 35px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}
.neo-lightbox-close:hover {
  background: rgba(255, 255, 255, 0.22);
  color: #fff;
}
@keyframes lbFadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
@keyframes lbScaleIn {
  from {
    opacity: 0;
    transform: scale(0.92);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ════════════════════════════════════════════
   CONTACT / DEMO REQUEST MODAL
   ════════════════════════════════════════════ */
.neo-modal {
  position: fixed;
  inset: 0;
  z-index: 999999;
  background: rgba(var(--bg-rgb), 0.92);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: lbFadeIn 0.2s var(--ease) both;
  padding: 24px;
}
.neo-modal__panel {
  position: relative;
  width: 100%;
  max-width: 460px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 36px 32px 32px;
  animation: lbScaleIn 0.25s var(--ease) both;
}
.neo-modal__panel::-webkit-scrollbar {
  width: 4px;
}
.neo-modal__panel::-webkit-scrollbar-track {
  background: transparent;
}
.neo-modal__panel::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 2px;
}
.neo-modal__close {
  position: absolute;
  top: 14px;
  right: 16px;
  z-index: 1;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
  font-size: 16px;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}
.neo-modal__close:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}
.neo-modal__title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
  color: var(--accent);
}
.neo-modal__field {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 16px;
}
.neo-modal__label {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
}
.neo-modal__input {
  padding: 10px 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: var(--fs-base);
  outline: none;
  transition: border-color 0.2s;
}
.neo-modal__input::placeholder {
  color: var(--text-muted);
}
.neo-modal__input:focus {
  border-color: rgba(var(--accent-rgb), 0.5);
}
.neo-modal__textarea {
  resize: vertical;
  min-height: 72px;
}
.neo-modal__submit {
  width: 100%;
  margin-top: 8px;
}
.neo-modal__submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}
.neo-modal__success {
  text-align: center;
  padding: 16px 0 8px;
}

/* ── Pricing: Trial Strip ── */
.trial-strip {
  margin-bottom: 20px;
}
.trial-strip-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: var(--bg-card);
  border: 1px solid rgba(74, 222, 128, 0.15);
  border-radius: 10px;
  position: relative;
  overflow: hidden;
}
.trial-strip-inner::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--green);
}
.trial-strip-left {
  display: flex;
  align-items: center;
  gap: 16px;
}
.trial-strip-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(74, 222, 128, 0.08);
  border: 1px solid rgba(74, 222, 128, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.trial-strip-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 15px;
  font-weight: 600;
}
.trial-strip-title strong {
  color: var(--green);
}
.trial-strip-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}
.trial-strip-right {
  display: flex;
  gap: 24px;
  align-items: center;
}
.trial-strip-stat {
  text-align: center;
}
.trial-strip-stat-val {
  font-family: 'JetBrains Mono', monospace;
  font-size: 18px;
  font-weight: 700;
  color: var(--green);
  letter-spacing: -0.02em;
}
.trial-strip-stat-label {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 1px;
}
.trial-strip-divider {
  width: 1px;
  height: 32px;
  background: var(--border);
}
.trial-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 22px;
  background: var(--green);
  color: #000;
  font-family: 'DM Sans', sans-serif;
  font-weight: 700;
  font-size: var(--fs-sm);
  border: none;
  border-radius: var(--radius-btn);
  cursor: pointer;
  transition: all 0.25s;
  white-space: nowrap;
  text-decoration: none;
}
.trial-cta:hover {
  background: #5fe898;
  box-shadow: 0 4px 20px rgba(74, 222, 128, 0.25);
  transform: translateY(-1px);
}
.trial-cta svg {
  transition: transform 0.2s;
}
.trial-cta:hover svg {
  transform: translateX(2px);
}

/* ── Pricing: Comparison Table ── */
.c-table {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  background: var(--bg-card);
  border-collapse: separate;
  border-spacing: 0;
}
.c-table th,
.c-table td {
  padding: 8px 10px;
  text-align: center;
  border-bottom: 1px solid var(--border-light);
  font-size: var(--fs-sm);
}
.c-table th:first-child,
.c-table td:first-child {
  text-align: left;
  padding-left: 18px;
  color: var(--text-secondary);
  font-weight: 500;
}
.c-table thead th {
  padding: 16px 18px 18px;
  background: rgba(255, 255, 255, 0.015);
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.c-table thead th:first-child {
  width: 210px;
}
.c-th-name {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: var(--fs-sm);
  font-weight: 700;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.c-th-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.c-th-price {
  font-family: 'JetBrains Mono', monospace;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.c-th-sub {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 2px;
}
.c-th-bar {
  margin: 10px auto 0;
  width: 80%;
  height: 3px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 2px;
  overflow: hidden;
}
.c-th-bar-fill {
  height: 100%;
  border-radius: 2px;
}
.c-th-cta {
  margin-top: 14px;
}
.c-section-row td {
  padding: 8px 24px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.1em;
  color: var(--accent) !important;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.01);
  border-bottom: 1px solid var(--border);
}
.c-check {
  color: var(--accent);
  font-size: var(--fs-base);
}
.c-val {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-primary);
  font-weight: 600;
}
.c-muted {
  font-size: var(--fs-xs);
  color: var(--text-muted);
}
.c-table tbody tr:not(.c-section-row):hover {
  background: rgba(var(--accent-rgb), 0.02);
}
.c-table tbody tr:last-child td {
  border-bottom: none;
}

/* ════════════════════════════════════════════
   INTERACTIVE ARCHITECTURE DIAGRAM
   ════════════════════════════════════════════ */

/* ── Diagram frame ── */
.diagram-frame {
  border: 1px solid var(--border);
  border-radius: 12px;
  position: relative;
  overflow: hidden;
  background: var(--bg-card);
}
.diagram-frame::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}
.diagram-frame::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to bottom, rgba(var(--accent-rgb), 0.02), transparent);
  pointer-events: none;
}

.diagram-inner {
  display: flex;
  position: relative;
  z-index: 1;
  padding: 0 40px 0 0;
}

/* ── Zone gutter (left labels) ── */
.zone-gutter {
  width: 90px;
  flex-shrink: 0;
  position: relative;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border);
  margin-right: 20px;
}
.zone-slot {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding-left: 8px;
  height: 80px;
}
.zone-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  text-transform: uppercase;
  white-space: nowrap;
  opacity: 0.75;
  user-select: none;
}
.zone-divider {
  width: 100%;
  height: 1px;
  background: var(--border);
  opacity: 0.4;
}

/* ── Diagram area ── */
.diagram-area {
  flex: 1;
  position: relative;
  height: 340px;
  user-select: none;
  min-width: 0;
}

/* ── SVG edges ── */
.diagram-area svg.diagram-edges {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}
.diagram-edge {
  stroke: rgba(255, 255, 255, 0.05);
  stroke-width: 1;
  fill: none;
  transition: stroke 0.5s var(--ease);
}
.diagram-edge-flow {
  stroke: var(--accent);
  stroke-width: 1;
  fill: none;
  stroke-dasharray: 3 5;
  opacity: 0;
  transition: opacity 0.5s var(--ease);
}
.diagram-edge.lit {
  stroke: rgba(var(--accent-rgb), 0.18);
}
.diagram-edge-flow.lit {
  opacity: 0.45;
  animation: diagramFlowDash 1.6s linear infinite;
}
.diagram-edge.lit-green {
  stroke: rgba(74, 222, 128, 0.15);
}
.diagram-edge-flow.lit-green {
  opacity: 0.4;
  stroke: var(--green);
  animation: diagramFlowDash 1.6s linear infinite;
}
.diagram-edge.lit-orange {
  stroke: rgba(245, 158, 11, 0.15);
}
.diagram-edge-flow.lit-orange {
  opacity: 0.4;
  stroke: var(--orange);
  animation: diagramFlowDash 1.6s linear infinite;
}
.diagram-edge.lit-blue {
  stroke: rgba(96, 165, 250, 0.15);
}
.diagram-edge-flow.lit-blue {
  opacity: 0.4;
  stroke: var(--blue);
  animation: diagramFlowDash 1.6s linear infinite;
}
@keyframes diagramFlowDash {
  to {
    stroke-dashoffset: -24;
  }
}

/* ── Merge dot ── */
.diagram-merge-dot {
  position: absolute;
  z-index: 1;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.2;
  transition: all 0.5s var(--ease);
  pointer-events: none;
}
.diagram-merge-dot.lit {
  opacity: 0.65;
  transform: translate(-50%, -50%) scale(1.4);
  box-shadow: 0 0 10px rgba(var(--accent-rgb), 0.35);
}

/* ── Nodes ── */
.diagram-node {
  position: absolute;
  z-index: 2;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 16px 9px 10px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg);
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  white-space: nowrap;
  min-width: 220px;
}
.diagram-node:hover {
  border-color: rgba(255, 255, 255, 0.13);
}
.diagram-node .dn-icon {
  width: 30px;
  height: 30px;
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.diagram-node .dn-icon svg {
  width: 15px;
  height: 15px;
}
.diagram-node.active .dn-icon {
  transform: scale(1.1);
}
.diagram-node .dn-label {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.2;
}
.diagram-node .dn-sublabel {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px;
  margin-top: 1px;
  opacity: 0.55;
  transition: opacity 0.4s;
  line-height: 1.2;
}
.diagram-node.active .dn-sublabel {
  opacity: 1;
}

/* Node color themes */
.diagram-node[data-id='web'] .dn-icon {
  background: rgba(var(--accent-rgb), 0.1);
  border: 1px solid rgba(var(--accent-rgb), 0.2);
  color: var(--accent);
}
.diagram-node[data-id='web'] .dn-sublabel {
  color: var(--accent);
}
.diagram-node[data-id='web'].active {
  border-color: rgba(var(--accent-rgb), 0.35);
  box-shadow: 0 4px 20px rgba(var(--accent-rgb), 0.08);
}
.diagram-node[data-id='rest'] .dn-icon {
  background: rgba(74, 222, 128, 0.08);
  border: 1px solid rgba(74, 222, 128, 0.18);
  color: var(--green);
}
.diagram-node[data-id='rest'] .dn-sublabel {
  color: var(--green);
}
.diagram-node[data-id='rest'].active {
  border-color: rgba(74, 222, 128, 0.3);
  box-shadow: 0 4px 20px rgba(74, 222, 128, 0.06);
}
.diagram-node[data-id='sdk'] .dn-icon {
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.18);
  color: var(--orange);
}
.diagram-node[data-id='sdk'] .dn-sublabel {
  color: var(--orange);
}
.diagram-node[data-id='sdk'].active {
  border-color: rgba(245, 158, 11, 0.3);
  box-shadow: 0 4px 20px rgba(245, 158, 11, 0.06);
}
.diagram-node[data-id='api'] .dn-icon {
  background: rgba(96, 165, 250, 0.08);
  border: 1px solid rgba(96, 165, 250, 0.18);
  color: var(--blue);
}
.diagram-node[data-id='api'] .dn-sublabel {
  color: var(--blue);
}
.diagram-node[data-id='api'].active {
  border-color: rgba(96, 165, 250, 0.3);
  box-shadow: 0 4px 20px rgba(96, 165, 250, 0.06);
}
.diagram-node[data-id='engine'] .dn-icon {
  background: rgba(var(--accent-rgb), 0.12);
  border: 1px solid rgba(var(--accent-rgb), 0.25);
  color: var(--accent);
}
.diagram-node[data-id='engine'] .dn-sublabel {
  color: var(--accent);
}
.diagram-node[data-id='engine'].active {
  border-color: rgba(var(--accent-rgb), 0.4);
  box-shadow: 0 4px 24px rgba(var(--accent-rgb), 0.1);
}
.diagram-node[data-id='pipeline'] .dn-icon {
  background: rgba(var(--accent-rgb), 0.06);
  border: 1px solid rgba(var(--accent-rgb), 0.14);
  color: var(--accent);
}
.diagram-node[data-id='pipeline'] .dn-sublabel {
  color: var(--text-muted);
}
.diagram-node[data-id='pipeline'].active {
  border-color: rgba(var(--accent-rgb), 0.3);
  box-shadow: 0 4px 20px rgba(var(--accent-rgb), 0.06);
}

/* Dim inactive nodes */
.diagram-area.has-active .diagram-node:not(.active) {
  opacity: 0.5;
  filter: saturate(0.6);
}
.diagram-area.has-active .diagram-node:not(.active):hover {
  opacity: 0.75;
  filter: saturate(0.85);
}

/* ── Detail panel ── */
.diagram-detail {
  margin-top: 16px;
  padding: 22px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  min-height: 110px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.5s var(--ease);
}
.diagram-detail.a-purple {
  border-color: rgba(var(--accent-rgb), 0.18);
}
.diagram-detail.a-green {
  border-color: rgba(74, 222, 128, 0.14);
}
.diagram-detail.a-orange {
  border-color: rgba(245, 158, 11, 0.14);
}
.diagram-detail.a-blue {
  border-color: rgba(96, 165, 250, 0.14);
}
.diagram-detail-content {
  animation: fadeIn 0.3s var(--ease);
}
.dd-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 8px;
  gap: 16px;
}
.dd-top-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.dd-icon {
  width: 32px;
  height: 32px;
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.dd-icon svg {
  width: 16px;
  height: 16px;
}
.dd-title {
  font-size: var(--fs-base);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.3;
}
.dd-badges {
  display: flex;
  gap: 5px;
  align-items: center;
  flex-shrink: 0;
}
.dd-desc {
  font-size: var(--fs-sm);
  line-height: 1.65;
  color: var(--text-secondary);
  max-width: 720px;
}
.dd-extras {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 14px;
}
.dd-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  padding: 3px 9px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
}
.dd-stat {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  padding: 3px 9px;
  background: rgba(var(--accent-rgb), 0.05);
  border: 1px solid rgba(var(--accent-rgb), 0.12);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}
.dd-stat strong {
  color: var(--accent);
  font-weight: 600;
}
.dd-prop-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  padding: 2px 7px;
  background: rgba(var(--accent-rgb), 0.08);
  border: 1px solid rgba(var(--accent-rgb), 0.15);
  border-radius: 3px;
  color: var(--accent);
  letter-spacing: 0.06em;
}
.dd-method-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  padding: 2px 7px;
  border-radius: 3px;
}
.dd-method-badge.get {
  background: rgba(96, 165, 250, 0.08);
  border: 1px solid rgba(96, 165, 250, 0.15);
  color: var(--blue);
}
.dd-method-badge.post {
  background: rgba(74, 222, 128, 0.08);
  border: 1px solid rgba(74, 222, 128, 0.15);
  color: var(--green);
}

/* ── Pipeline visualization ── */
.pipeline-vis {
  display: flex;
  align-items: center;
  margin-top: 14px;
}
.pv-stage {
  flex: 1;
  text-align: center;
  padding: 8px 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--bg);
}
.pv-stage.prop {
  border-color: rgba(var(--accent-rgb), 0.2);
  color: var(--accent);
  background: rgba(var(--accent-rgb), 0.04);
}
.pv-arr {
  width: 16px;
  text-align: center;
  color: var(--text-muted);
  font-size: 10px;
  flex-shrink: 0;
  opacity: 0.35;
}

/* ── Cycle dots ── */
.diagram-cycle-dots {
  display: flex;
  gap: 6px;
  align-items: center;
  justify-content: center;
  margin-top: 14px;
}
.diagram-cycle-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
  transition: all 0.4s var(--ease);
}
.diagram-cycle-dot:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.2);
}
.diagram-cycle-dot.active {
  background: var(--accent);
  box-shadow: 0 0 6px rgba(var(--accent-rgb), 0.3);
  width: 18px;
  border-radius: 3px;
}

/* ════════════════════════════════════════════
   INTERACTIVE PIPELINE TIMELINE
   ════════════════════════════════════════════ */

/* ── Split layout ── */
.pipeline-split {
  display: grid;
  grid-template-columns: 310px 1fr;
  gap: 24px;
  align-items: stretch;
}

/* ── Left: Timeline ── */
.pipeline-timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 4px 0;
}

/* Static background rail */
.timeline-rail {
  position: absolute;
  left: 19px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
  z-index: 0;
}

/* Animated progress fill */
.timeline-rail-fill {
  position: absolute;
  left: 19px;
  top: 0;
  width: 2px;
  height: 0;
  background: var(--accent);
  opacity: 0.4;
  z-index: 1;
  transition:
    height 0.5s cubic-bezier(0.4, 0, 0.2, 1),
    top 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 1px;
}

/* ── Timeline items ── */
.tl-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 12px 10px 0;
  cursor: pointer;
  position: relative;
  z-index: 2;
  border-radius: var(--radius);
  transition: all 0.3s;
}
.tl-item:hover {
  background: rgba(255, 255, 255, 0.015);
}

/* ── Dot ── */
.tl-dot {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgb(var(--bg-card-rgb));
  border: 2px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
  z-index: 3;
}
.tl-dot .num {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--text-muted);
  transition: color 0.4s;
}

/* IP dot ring */
.tl-item.ip .tl-dot {
  border-color: rgba(var(--accent-rgb), 0.25);
}

/* Active dot */
.tl-item.active .tl-dot {
  border-color: var(--accent);
  box-shadow:
    0 0 16px rgba(var(--accent-rgb), 0.15),
    0 0 0 4px rgba(var(--accent-rgb), 0.06);
  transform: scale(1.1);
}
.tl-item.active .tl-dot .num {
  color: var(--accent);
}

/* Passed dot */
.tl-item.passed .tl-dot {
  border-color: rgba(var(--accent-rgb), 0.3);
  background: rgb(var(--bg-card-rgb));
  box-shadow: inset 0 0 0 20px rgba(var(--accent-rgb), 0.08);
}
.tl-item.passed .tl-dot .num {
  color: rgba(var(--accent-rgb), 0.5);
}

/* Dim inactive items */
.pipeline-timeline.has-active .tl-item:not(.active):not(.passed) {
  opacity: 0.35;
}
.pipeline-timeline.has-active .tl-item:not(.active):not(.passed):hover {
  opacity: 0.7;
}

/* ── Text block ── */
.tl-text {
  min-width: 0;
}
.tl-title {
  font-size: var(--fs-sm);
  font-weight: 600;
  margin-bottom: 2px;
  color: var(--text-muted);
  transition: color 0.3s;
  line-height: 1.25;
}
.tl-sub {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px;
  color: var(--text-muted);
  opacity: 0.45;
  transition: all 0.3s;
  line-height: 1.25;
}

/* Active text emphasis */
.tl-item.active .tl-title {
  color: var(--text-primary);
}
.tl-item.active .tl-sub {
  opacity: 0.85;
  color: var(--text-secondary);
}

/* IP badge */
.tl-ip-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 8px;
  padding: 1px 5px;
  background: rgba(var(--accent-rgb), 0.08);
  border: 1px solid rgba(var(--accent-rgb), 0.15);
  border-radius: 3px;
  color: var(--accent);
  letter-spacing: 0.04em;
  margin-left: auto;
  flex-shrink: 0;
  opacity: 0.4;
  transition: opacity 0.3s;
}
.tl-item.active .tl-ip-badge {
  opacity: 1;
}

/* ── Right: Detail panel ── */
.pipeline-detail {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: border-color 0.5s;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
}
.pipeline-detail.ip-active {
  border-color: rgba(var(--accent-rgb), 0.18);
}

/* Dot grid overlay */
.pipeline-detail::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 20px 20px;
  pointer-events: none;
  z-index: 0;
}

/* Scrollable body */
.dp-body {
  flex: 1;
  overflow-y: auto;
  padding: 28px 30px 20px;
  position: relative;
  z-index: 1;
  min-height: 0;
}
.dp-body::-webkit-scrollbar {
  width: 4px;
}
.dp-body::-webkit-scrollbar-track {
  background: transparent;
}
.dp-body::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 2px;
}

.dp-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 4px;
  gap: 14px;
}
.dp-num-title {
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.dp-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 20px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: -0.02em;
}
.dp-title {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.dp-subtitle {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  color: var(--text-muted);
  margin-top: 3px;
}
.dp-badges-inline {
  display: flex;
  gap: 5px;
  align-items: center;
  flex-shrink: 0;
}
.dp-desc {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin: 16px 0 0;
}

/* Fixed footer: tags */
.dp-footer {
  flex-shrink: 0;
  padding: 14px 30px 20px;
  border-top: 1px solid var(--border);
  position: relative;
  z-index: 1;
  background: var(--bg-card);
}
.dp-footer-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 8px;
  opacity: 0.6;
}
.dp-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}
.dp-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
}
.dp-tag.ip {
  color: var(--accent);
  background: rgba(var(--accent-rgb), 0.05);
  border-color: rgba(var(--accent-rgb), 0.12);
}

/* ── Stats bar ── */
.pipeline-stats-bar {
  margin-top: 24px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
}
.pipeline-stat-card {
  padding: 22px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  position: relative;
  overflow: hidden;
}
.pipeline-stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent 60%);
  opacity: 0.35;
}
.pipeline-stat-top {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 8px;
}
.pipeline-stat-val {
  font-size: 24px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: -0.02em;
  line-height: 1;
}
.pipeline-stat-label {
  font-size: var(--fs-base);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1;
}
.pipeline-stat-desc {
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* ════════════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════════════ */
@media (max-width: 900px) {
  .comparison-row {
    grid-template-columns: 1fr;
  }
  .side-nav-container {
    display: none !important;
  }
  .neo-nav {
    padding: 0 20px;
  }
}

/* ── Pricing table responsive ── */
@media (max-width: 900px) {
  .c-table {
    min-width: 700px;
  }
  .trial-strip-inner {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
  .trial-strip-left {
    flex-direction: column;
  }
  .trial-strip-right {
    gap: 16px;
  }
}

/* ── Stat grid responsive ── */
@media (max-width: 820px) {
  .stat-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 560px) {
  .stat-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ── Feature card responsive: stack layout ── */
@media (max-width: 820px) {
  .feature-card,
  .feature-card.fc-flip {
    grid-template-columns: 1fr;
  }
  .feature-card.fc-flip .fc-image,
  .feature-card.fc-flip .fc-image-placeholder,
  .feature-card.fc-flip .fc-content {
    order: unset;
  }
  .fc-image,
  .fc-image-placeholder {
    min-height: 220px;
  }
  .fc-image::after,
  .feature-card.fc-flip .fc-image::after {
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 60px;
    background: linear-gradient(to bottom, transparent, var(--bg-card));
  }
  .fc-content {
    padding: 24px 28px;
  }
}

/* ── Pipeline responsive: stack layout ── */
@media (max-width: 820px) {
  .pipeline-split {
    grid-template-columns: 1fr;
  }
  .pipeline-detail {
    min-height: 260px;
  }
  .pipeline-stats-bar {
    grid-template-columns: 1fr;
  }
}

/* ── Diagram responsive: compact mode ── */
@media (max-width: 820px) {
  .diagram-inner {
    padding: 0 24px 0 0;
  }
  .zone-gutter {
    display: none;
  }
  .diagram-area {
    height: 280px;
  }
  .diagram-node {
    min-width: 0;
    padding: 8px;
    gap: 0;
  }
  .diagram-node .dn-text-wrap {
    display: none;
  }
  .diagram-node .dn-icon {
    width: 34px;
    height: 34px;
    border-radius: var(--radius);
  }
  .diagram-node .dn-icon svg {
    width: 16px;
    height: 16px;
  }
  .pv-stage {
    padding: 6px 2px;
    font-size: 9px;
  }
  .pv-arr {
    width: 12px;
    font-size: 9px;
  }
}

@media (max-width: 560px) {
  .tl-dot {
    width: 34px;
    height: 34px;
  }
  .tl-dot .num {
    font-size: 10px;
  }
  .timeline-rail,
  .timeline-rail-fill {
    left: 16px;
  }
  .tl-title {
    font-size: 12px;
  }
  .tl-sub {
    font-size: 9px;
  }
  .dp-body {
    padding: 20px 22px 14px;
  }
  .dp-footer {
    padding: 12px 22px 16px;
  }
}

@media (max-width: 560px) {
  .diagram-frame {
    border-radius: 10px;
  }
  .diagram-inner {
    padding: 0 16px 0 0;
  }
  .diagram-area {
    height: 240px;
  }
  .diagram-node .dn-icon {
    width: 30px;
    height: 30px;
  }
  .diagram-node .dn-icon svg {
    width: 14px;
    height: 14px;
  }
  .diagram-node {
    padding: 6px;
  }
  .diagram-detail {
    padding: 16px 20px;
  }
  .dd-title {
    font-size: var(--fs-sm);
  }
  .dd-desc {
    font-size: 12px;
  }
  .pv-stage {
    padding: 5px 1px;
    font-size: 8px;
  }
  .pv-arr {
    width: 8px;
    font-size: 8px;
  }
}