/* CrowdSmart — shared design system
   Extracted from the original single-page index.html so every page shares one source of truth. */

:root {
  --navy: #0f1a2e;
  --navy-light: #162240;
  --navy-mid: #1a2744;
  --slate: #2a3a5c;
  --blue-accent: #3b82f6;
  --cyan-accent: #22d3ee;
  --teal: #1d9e75;
  --amber: #ef9f27;
  --coral: #e8593c;
  --text-primary: #e8ecf4;
  --text-secondary: rgba(200,215,240,0.65);
  --text-tertiary: rgba(160,180,220,0.4);
  --border: rgba(130,170,255,0.12);
  --glass: rgba(22,34,64,0.6);
  --glass-border: rgba(130,170,255,0.08);
  --font-display: 'DM Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-display);
  background: var(--navy);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }

/* ---------- Navigation ---------- */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 clamp(24px, 5vw, 80px);
  height: 64px;
  background: rgba(15,26,46,0.85);
  backdrop-filter: blur(24px);
  border-bottom: 0.5px solid var(--border);
}
.nav-logo { display: flex; align-items: center; gap: 10px; font-weight: 500; font-size: 17px; letter-spacing: -0.3px; }
.nav-logo svg { width: 28px; height: 28px; }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-right { display: flex; align-items: center; gap: 12px; }
.nav-links a { font-size: 13px; color: var(--text-secondary); font-weight: 400; letter-spacing: 0.3px; transition: color 0.2s; }
.nav-links a:hover { color: var(--text-primary); }
.nav-links a.current { color: var(--text-primary); }
.nav-cta { font-size: 12px; font-weight: 500; padding: 7px 18px; border: 1px solid rgba(59,130,246,0.5); border-radius: 6px; color: var(--blue-accent); transition: all 0.2s; }
.nav-cta:hover { background: var(--blue-accent); color: #fff; }

/* Products dropdown */
.nav-drop { position: relative; }
.nav-drop > button {
  font-family: var(--font-display); font-size: 13px; color: var(--text-secondary);
  background: none; border: none; cursor: pointer; padding: 0;
  display: flex; align-items: center; gap: 5px; letter-spacing: 0.3px; transition: color 0.2s;
}
.nav-drop > button:hover, .nav-drop.open > button { color: var(--text-primary); }
.nav-drop > button svg { width: 10px; height: 10px; transition: transform 0.2s; }
.nav-drop.open > button svg { transform: rotate(180deg); }
.nav-drop-menu {
  position: absolute; top: calc(100% + 14px); left: -16px; min-width: 268px;
  background: rgba(18,29,54,0.97); backdrop-filter: blur(24px);
  border: 0.5px solid var(--border); border-radius: 12px; padding: 8px;
  box-shadow: 0 16px 48px rgba(0,0,0,0.45);
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity 0.18s, transform 0.18s, visibility 0.18s;
}
.nav-drop.open .nav-drop-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.nav-drop-menu a { display: block; padding: 10px 12px; border-radius: 8px; transition: background 0.15s; }
.nav-drop-menu a:hover { background: rgba(130,170,255,0.07); }
.nav-drop-menu strong { display: block; font-size: 13px; font-weight: 500; color: var(--text-primary); margin-bottom: 2px; }
.nav-drop-menu span { display: block; font-size: 11.5px; color: var(--text-tertiary); font-weight: 300; line-height: 1.45; }

/* Mobile menu */
.nav-toggle {
  display: none; background: none; border: 0.5px solid var(--border); border-radius: 6px;
  width: 34px; height: 30px; cursor: pointer; align-items: center; justify-content: center;
}
.nav-toggle svg { width: 16px; height: 16px; stroke: var(--text-secondary); }
.mobile-menu {
  display: none; position: fixed; top: 56px; left: 0; right: 0; z-index: 99;
  background: rgba(15,26,46,0.98); backdrop-filter: blur(24px);
  border-bottom: 0.5px solid var(--border); padding: 12px 18px 20px;
  max-height: calc(100vh - 56px); overflow-y: auto;
}
.mobile-menu.open { display: block; }
.mobile-menu a { display: block; padding: 12px 4px; font-size: 15px; color: var(--text-secondary); border-bottom: 0.5px solid var(--glass-border); }
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a.current { color: var(--text-primary); }
.mobile-menu .mm-label { font-size: 10px; letter-spacing: 2px; color: var(--text-tertiary); text-transform: uppercase; padding: 16px 4px 4px; font-weight: 500; }

/* ---------- Layout primitives ---------- */
section { padding: 0 clamp(24px, 5vw, 80px); }
.container { max-width: 1120px; margin: 0 auto; }
.container-narrow { max-width: 860px; margin: 0 auto; }
.section-label { font-size: 11px; letter-spacing: 3px; color: var(--text-tertiary); font-weight: 500; text-transform: uppercase; margin-bottom: 12px; }
.section-title { font-size: clamp(28px,4vw,42px); font-weight: 500; line-height: 1.2; margin-bottom: 16px; letter-spacing: -0.5px; }
.section-sub { font-size: 16px; color: var(--text-secondary); max-width: 560px; line-height: 1.7; font-weight: 300; }
.section-sub.wide { max-width: 720px; }
.block { padding-top: 100px; padding-bottom: 100px; border-top: 0.5px solid var(--border); }
.block-tight { padding-top: 72px; padding-bottom: 72px; border-top: 0.5px solid var(--border); }

/* ---------- Buttons ---------- */
.btn-primary { display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; border-radius: 8px; font-size: 14px; font-weight: 500; background: var(--blue-accent); color: #fff; border: none; cursor: pointer; transition: transform 0.15s, box-shadow 0.2s; }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 8px 32px rgba(59,130,246,0.3); }
.btn-secondary { display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; border-radius: 8px; font-size: 14px; font-weight: 400; background: transparent; color: var(--text-secondary); border: 1px solid var(--border); cursor: pointer; transition: all 0.2s; }
.btn-secondary:hover { border-color: rgba(130,170,255,0.3); color: var(--text-primary); }
.btn-row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 32px; }

/* ---------- Home hero ---------- */
#hero { position: relative; min-height: 100vh; display: flex; align-items: flex-end; padding-top: 64px; padding-bottom: 52px; }
#hero canvas { position: absolute; top: 0; left: 0; width: 100%; height: 100%; opacity: 0.82; }
.hero-content { position: relative; z-index: 2; }
.hero-title { font-size: clamp(36px,5.5vw,60px); font-weight: 500; line-height: 1.1; letter-spacing: -1.5px; margin-bottom: 20px; max-width: 900px; }
.hero-title em { font-style: italic; font-weight: 300; color: var(--cyan-accent); }
.hero-sub { font-size: 18px; color: var(--text-secondary); max-width: 620px; line-height: 1.7; font-weight: 300; margin-bottom: 32px; }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats { position: absolute; top: 100px; right: clamp(24px,5vw,80px); z-index: 2; display: none; flex-direction: column; gap: 8px; }
.hero-stat { font-family: var(--font-mono); font-size: 12px; color: var(--text-tertiary); font-weight: 300; }
.hero-stat em { font-style: normal; color: var(--teal); }
.hero-legend { position: absolute; top: 100px; left: clamp(24px,5vw,80px); z-index: 2; display: flex; gap: 16px; }
.hero-legend span { font-size: 11px; color: var(--text-tertiary); display: flex; align-items: center; gap: 5px; }
.hero-legend i { display: inline-block; width: 7px; height: 7px; border-radius: 50%; }
.hero-gradient { position: absolute; bottom: 0; left: 0; right: 0; height: 50%; background: linear-gradient(transparent, var(--navy)); z-index: 1; pointer-events: none; }

/* ---------- Interior page hero ---------- */
.page-hero { padding-top: 132px; padding-bottom: 56px; position: relative; }
.page-hero .eyebrow { font-size: 11px; letter-spacing: 3px; color: var(--cyan-accent); opacity: 0.75; font-weight: 500; text-transform: uppercase; margin-bottom: 16px; }
.page-hero h1 { font-size: clamp(32px,5vw,52px); font-weight: 500; line-height: 1.12; letter-spacing: -1.2px; margin-bottom: 20px; max-width: 860px; }
.page-hero h1 em { font-style: italic; font-weight: 300; color: var(--cyan-accent); }
.page-hero .lede { font-size: 18px; color: var(--text-secondary); max-width: 680px; line-height: 1.7; font-weight: 300; }
.page-hero .lede + .lede { margin-top: 16px; }
.breadcrumb { font-size: 12px; color: var(--text-tertiary); margin-bottom: 18px; font-weight: 300; }
.breadcrumb a:hover { color: var(--text-secondary); }

/* ---------- Product cards (home) ---------- */
.prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 44px; }
.prod-card {
  display: flex; flex-direction: column; padding: 30px 26px; border-radius: 16px;
  background: var(--navy-light); border: 0.5px solid var(--glass-border); transition: all 0.28s;
}
.prod-card:hover { border-color: rgba(130,170,255,0.24); transform: translateY(-3px); }
.prod-card .pc-num { font-family: var(--font-mono); font-size: 11px; color: var(--text-tertiary); margin-bottom: 18px; letter-spacing: 1px; }
.prod-card h3 { font-size: 19px; font-weight: 500; margin-bottom: 8px; letter-spacing: -0.3px; }
.prod-card .pc-role { font-size: 12px; color: var(--teal); font-family: var(--font-mono); margin-bottom: 14px; }
.prod-card p { font-size: 13.5px; color: var(--text-secondary); line-height: 1.65; font-weight: 300; margin-bottom: 18px; }
.prod-card ul { list-style: none; margin-bottom: 22px; }
.prod-card ul li { font-size: 13px; color: var(--text-secondary); font-weight: 300; padding: 5px 0 5px 18px; position: relative; line-height: 1.5; }
.prod-card ul li::before { content: ''; position: absolute; left: 0; top: 12px; width: 5px; height: 5px; border-radius: 50%; background: rgba(29,158,117,0.7); }
.prod-card .pc-link { margin-top: auto; font-size: 13px; color: var(--blue-accent); font-weight: 500; display: inline-flex; align-items: center; gap: 6px; }
.prod-card:hover .pc-link { gap: 10px; }

/* ---------- Generic feature grid ---------- */
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 40px; }
.feat-grid.two { grid-template-columns: repeat(2, 1fr); }
.feat-grid.four { grid-template-columns: repeat(4, 1fr); }
.feat-card { padding: 26px 22px; border-radius: 14px; background: var(--navy-light); border: 0.5px solid var(--glass-border); }
.feat-card .fc-icon { width: 36px; height: 36px; border-radius: 9px; margin-bottom: 16px; display: flex; align-items: center; justify-content: center; background: rgba(59,130,246,0.09); }
.feat-card h4 { font-size: 15px; font-weight: 500; margin-bottom: 8px; line-height: 1.35; }
.feat-card p { font-size: 13px; color: var(--text-secondary); line-height: 1.65; font-weight: 300; }
.feat-card .fc-tag { font-family: var(--font-mono); font-size: 11px; color: var(--teal); margin-top: 12px; }

/* ---------- Numbered stages ---------- */
.stage-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-top: 40px; }
.stage { padding: 22px 18px; border-radius: 12px; background: var(--navy-light); border: 0.5px solid var(--glass-border); }
.stage .st-num { font-family: var(--font-mono); font-size: 22px; font-weight: 400; color: rgba(59,130,246,0.55); margin-bottom: 12px; line-height: 1; }
.stage h4 { font-size: 14px; font-weight: 500; margin-bottom: 7px; line-height: 1.3; }
.stage p { font-size: 12.5px; color: var(--text-secondary); line-height: 1.55; font-weight: 300; }

/* ---------- Comparison table ---------- */
.cmp-table { margin-top: 36px; border-radius: 16px; overflow: hidden; border: 0.5px solid var(--glass-border); }
.cmp-head, .cmp-row { display: grid; grid-template-columns: 1fr 1fr; }
.cmp-head > div { padding: 16px 22px; font-size: 11px; letter-spacing: 2px; font-weight: 500; text-transform: uppercase; }
.cmp-head > div:first-child { background: rgba(22,34,64,0.9); color: var(--text-tertiary); }
.cmp-head > div:last-child { background: rgba(29,158,117,0.09); color: var(--teal); border-left: 0.5px solid var(--glass-border); }
.cmp-row > div { padding: 18px 22px; font-size: 13.5px; line-height: 1.6; font-weight: 300; border-top: 0.5px solid var(--glass-border); }
.cmp-row > div:first-child { background: var(--navy-light); color: var(--text-tertiary); }
.cmp-row > div:last-child { background: rgba(29,158,117,0.035); color: var(--text-secondary); border-left: 0.5px solid var(--glass-border); }

/* ---------- Trust list ---------- */
.tlist { margin-top: 36px; display: flex; flex-direction: column; gap: 2px; }
.tlist-item { display: flex; gap: 18px; padding: 24px; background: var(--navy-light); border: 0.5px solid var(--glass-border); }
.tlist-item:first-child { border-radius: 14px 14px 0 0; }
.tlist-item:last-child { border-radius: 0 0 14px 14px; }
.tlist-item:only-child { border-radius: 14px; }
.tlist-mark { flex-shrink: 0; width: 30px; height: 30px; border-radius: 8px; background: rgba(29,158,117,0.1); display: flex; align-items: center; justify-content: center; margin-top: 1px; }
.tlist-item h4 { font-size: 15px; font-weight: 500; margin-bottom: 6px; }
.tlist-item p { font-size: 13.5px; color: var(--text-secondary); line-height: 1.7; font-weight: 300; }
.tlist-item p code, .inline-code { font-family: var(--font-mono); font-size: 12px; color: var(--cyan-accent); background: rgba(34,211,238,0.07); padding: 1px 6px; border-radius: 4px; }

/* ---------- Patents ---------- */
.patent-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin-top: 36px; }
.patent-card { padding: 26px 24px; border-radius: 14px; background: var(--navy-light); border: 0.5px solid var(--glass-border); }
.patent-num { font-family: var(--font-mono); font-size: 15px; color: var(--cyan-accent); margin-bottom: 4px; }
.patent-date { font-size: 11px; color: var(--text-tertiary); font-weight: 300; margin-bottom: 14px; }
.patent-card h4 { font-size: 15px; font-weight: 500; margin-bottom: 8px; line-height: 1.35; }
.patent-card p { font-size: 13px; color: var(--text-secondary); line-height: 1.65; font-weight: 300; }

/* ---------- Results ---------- */
.result-card {
  display: grid; grid-template-columns: 220px 1fr; gap: 36px; align-items: start;
  padding: 32px; border-radius: 16px; background: var(--navy-light);
  border: 0.5px solid var(--glass-border); margin-top: 20px;
}
.result-metric { text-align: left; }
.result-big { font-size: 52px; font-weight: 600; letter-spacing: -2.5px; line-height: 1; margin-bottom: 6px; }
.result-big.teal { color: var(--teal); }
.result-big.amber { color: var(--amber); }
.result-big.blue { color: var(--blue-accent); }
.result-big.coral { color: var(--coral); }
.result-metric .rm-label { font-size: 12.5px; color: var(--text-secondary); font-weight: 300; line-height: 1.5; }
.result-body .rb-org { font-family: var(--font-mono); font-size: 11px; color: var(--text-tertiary); letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 10px; }
.result-body h3 { font-size: 20px; font-weight: 500; margin-bottom: 12px; letter-spacing: -0.3px; }
.result-body p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; font-weight: 300; }
.method-note { margin-top: 16px; padding-top: 14px; border-top: 0.5px solid var(--glass-border); font-size: 12px; color: var(--text-tertiary); font-weight: 300; line-height: 1.6; }
.method-note strong { color: var(--text-secondary); font-weight: 500; }

.val-bar-row { display: flex; align-items: center; gap: 12px; margin-top: 14px; }
.val-bar-label { font-size: 12px; color: var(--text-secondary); min-width: 120px; font-weight: 300; }
.val-bar-track { flex: 1; height: 6px; background: var(--slate); border-radius: 3px; overflow: hidden; }
.val-bar-fill { height: 100%; border-radius: 3px; }

/* Syntiant timeline */
.syntiant-timeline { display: flex; align-items: flex-start; position: relative; padding-top: 8px; margin-top: 24px; }
.syntiant-timeline::before { content: ''; position: absolute; top: 13px; left: 0; right: 0; height: 2px; background: rgba(29,158,117,0.3); }
.timeline-node { flex: 1; display: flex; flex-direction: column; align-items: center; position: relative; padding: 0 4px; }
.timeline-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--teal); margin-bottom: 10px; position: relative; z-index: 1; flex-shrink: 0; }
.timeline-year { font-family: var(--font-mono); font-size: 11px; color: var(--teal); font-weight: 500; margin-bottom: 4px; text-align: center; }
.timeline-desc { font-size: 11px; color: var(--text-secondary); text-align: center; line-height: 1.4; font-weight: 300; }

/* ---------- Pricing ---------- */
.price-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-top: 44px; align-items: stretch; }
.price-card {
  display: flex; flex-direction: column; padding: 26px 20px; border-radius: 14px;
  background: var(--navy-light); border: 0.5px solid var(--glass-border); transition: border-color 0.25s;
}
.price-card:hover { border-color: rgba(130,170,255,0.22); }
.price-card.featured { border-color: rgba(59,130,246,0.4); background: linear-gradient(170deg, rgba(59,130,246,0.07), var(--navy-light) 55%); }
.price-stage { font-family: var(--font-mono); font-size: 10px; letter-spacing: 1.5px; color: var(--text-tertiary); text-transform: uppercase; margin-bottom: 14px; }
.price-card h3 { font-size: 17px; font-weight: 500; margin-bottom: 8px; }
.price-amount { font-size: 26px; font-weight: 600; letter-spacing: -1px; margin-bottom: 4px; line-height: 1.15; }
.price-unit { font-size: 11.5px; color: var(--text-tertiary); font-weight: 300; margin-bottom: 20px; }
.price-card ul { list-style: none; margin-bottom: 24px; }
.price-card ul li { font-size: 12.5px; color: var(--text-secondary); font-weight: 300; padding: 6px 0 6px 16px; position: relative; line-height: 1.45; }
.price-card ul li::before { content: ''; position: absolute; left: 0; top: 13px; width: 4px; height: 4px; border-radius: 50%; background: rgba(29,158,117,0.75); }
.price-card .price-cta { margin-top: auto; display: block; text-align: center; padding: 10px; border-radius: 8px; font-size: 12.5px; font-weight: 500; border: 0.5px solid var(--border); color: var(--text-secondary); transition: all 0.2s; }
.price-card .price-cta:hover { border-color: rgba(130,170,255,0.35); color: var(--text-primary); }
.price-card.featured .price-cta { background: var(--blue-accent); color: #fff; border-color: transparent; }
.price-note { margin-top: 28px; padding: 20px 24px; border-radius: 12px; background: rgba(34,211,238,0.035); border: 0.5px solid rgba(34,211,238,0.14); font-size: 13px; color: var(--text-secondary); line-height: 1.7; font-weight: 300; }

/* ---------- Code ---------- */
.code-block {
  margin-top: 24px; border-radius: 12px; overflow: hidden;
  border: 0.5px solid var(--glass-border); background: #0b1424;
}
.code-head { display: flex; align-items: center; justify-content: space-between; padding: 11px 18px; border-bottom: 0.5px solid var(--glass-border); background: rgba(22,34,64,0.6); }
.code-head span { font-family: var(--font-mono); font-size: 11px; color: var(--text-tertiary); letter-spacing: 0.5px; }
.code-block pre { padding: 20px 18px; overflow-x: auto; }
.code-block code { font-family: var(--font-mono); font-size: 12.5px; line-height: 1.75; color: var(--text-secondary); white-space: pre; }
.code-block .c-key { color: var(--cyan-accent); }
.code-block .c-str { color: var(--teal); }
.code-block .c-com { color: var(--text-tertiary); }

/* ---------- Science / people ---------- */
.science-strip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-top: 36px; }
.science-person { padding: 24px 16px; text-align: center; border: 0.5px solid var(--glass-border); border-radius: 12px; background: rgba(22,34,64,0.55); transition: background 0.3s, border-color 0.3s; }
.science-person:hover { background: var(--navy-light); border-color: rgba(130,170,255,0.2); }
.science-avatar { width: 56px; height: 56px; border-radius: 50%; margin: 0 auto 12px; display: flex; align-items: center; justify-content: center; font-size: 17px; font-weight: 500; letter-spacing: -0.5px; background: rgba(59,130,246,0.12); color: rgba(180,205,255,0.85); }
.science-avatar-photo { background-size: cover; background-position: center; color: transparent; }
.science-name { font-size: 14px; font-weight: 500; margin-bottom: 2px; }
.science-affil { font-size: 11.5px; color: var(--text-tertiary); font-weight: 300; line-height: 1.4; }
.science-role { font-size: 11px; color: var(--text-secondary); margin-top: 8px; font-weight: 300; line-height: 1.45; }
.arxiv-badge { display: inline-flex; align-items: center; gap: 8px; margin-top: 16px; padding: 10px 24px; border: 1px solid rgba(34,211,238,0.2); border-radius: 8px; font-family: var(--font-mono); font-size: 13px; color: var(--cyan-accent); transition: all 0.2s; }
.arxiv-badge:hover { background: rgba(34,211,238,0.05); border-color: rgba(34,211,238,0.4); }
.pub-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 32px; }
.pub-card { display: block; padding: 20px 22px; border-radius: 12px; border: 0.5px solid var(--glass-border); background: var(--navy-light); transition: all 0.2s; }
.pub-card:hover { border-color: rgba(34,211,238,0.3); transform: translateY(-2px); }
.pub-card .pub-title { font-size: 14px; font-weight: 400; color: var(--text-primary); margin-bottom: 6px; line-height: 1.45; }
.pub-card .pub-meta { font-family: var(--font-mono); font-size: 11.5px; color: var(--cyan-accent); opacity: 0.75; }

/* ---------- Contrast (GenAI vs GCI) ---------- */
.contrast-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin-top: 40px; border-radius: 16px; overflow: hidden; border: 0.5px solid var(--glass-border); }
.contrast-col { padding: 32px 28px; }
.contrast-col.left { background: var(--navy-light); }
.contrast-col.right { background: rgba(29,158,117,0.04); border-left: 0.5px solid var(--glass-border); }
.contrast-label { font-size: 11px; letter-spacing: 2px; margin-bottom: 24px; font-weight: 500; }
.contrast-row { display: flex; align-items: flex-start; gap: 12px; padding: 14px 0; border-bottom: 0.5px solid var(--glass-border); }
.contrast-row:last-child { border-bottom: none; }
.contrast-icon { width: 28px; height: 28px; border-radius: 6px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; margin-top: 2px; }
.contrast-row h5 { font-size: 14px; font-weight: 500; margin-bottom: 3px; }
.contrast-row p { font-size: 13px; color: var(--text-secondary); line-height: 1.5; font-weight: 300; }

/* ---------- Pipeline (science page) ---------- */
.pipeline-steps { display: flex; gap: 0; margin-top: 48px; position: relative; }
.pipeline-step { flex: 1; cursor: pointer; padding: 20px 16px; text-align: center; border: 0.5px solid var(--glass-border); transition: all 0.3s; position: relative; }
.pipeline-step:first-child { border-radius: 12px 0 0 12px; }
.pipeline-step:last-child { border-radius: 0 12px 12px 0; }
.pipeline-step.active { background: var(--navy-light); border-color: var(--blue-accent); z-index: 2; }
.pipeline-step .step-num { font-family: var(--font-mono); font-size: 11px; color: var(--text-tertiary); margin-bottom: 8px; font-weight: 300; }
.pipeline-step .step-title { font-size: 13px; font-weight: 500; line-height: 1.3; }
.pipeline-step .step-tech { font-family: var(--font-mono); font-size: 10px; color: var(--cyan-accent); margin-top: 6px; opacity: 0.6; }
.pipeline-detail { margin-top: 32px; padding: 32px; border-radius: 16px; background: var(--navy-light); border: 0.5px solid var(--glass-border); min-height: 260px; position: relative; overflow: visible; }
.pipeline-detail canvas { position: absolute; top: 0; left: 0; width: 100%; height: 100%; opacity: 0.6; border-radius: inherit; }
.pipeline-detail .detail-content { position: relative; z-index: 2; }
.pipeline-detail h3 { font-size: 20px; font-weight: 500; margin-bottom: 8px; }
.pipeline-detail .detail-tech { font-family: var(--font-mono); font-size: 12px; color: var(--cyan-accent); margin-bottom: 16px; }
.pipeline-detail p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; max-width: 520px; font-weight: 300; }
.pipeline-detail .tooltip { display: inline-block; border-bottom: 1px dotted var(--text-tertiary); cursor: help; position: relative; color: var(--text-primary); }
.pipeline-detail .tooltip:hover::after,
.pipeline-detail .tooltip:focus-visible::after {
  content: attr(data-tip);
  position: absolute; bottom: calc(100% + 8px); left: 50%; transform: translateX(-50%);
  background: var(--slate); color: var(--text-primary);
  font-size: 12px; line-height: 1.35; padding: 8px 10px; border-radius: 6px;
  width: min(280px, 78vw); white-space: normal; z-index: 10;
  box-shadow: 0 4px 16px rgba(0,0,0,0.3); font-family: var(--font-display); font-weight: 400;
}

/* ---------- Complexity / scaling ---------- */
.brooks-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 28px; }
.brooks-panel { position: relative; }
.brooks-label { font-size: 12px; letter-spacing: 1px; color: var(--text-tertiary); text-align: center; margin-bottom: 8px; font-weight: 500; }
.brooks-canvas { width: 100%; aspect-ratio: 4/3; border-radius: 12px; background: var(--navy-light); border: 0.5px solid var(--glass-border); }
.brooks-metric { display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--text-secondary); padding: 8px 4px 0; }
.brooks-metric strong { color: var(--text-primary); font-weight: 500; font-family: var(--font-mono); }
.brooks-formula { text-align: center; font-family: var(--font-mono); font-size: 11.5px; color: var(--text-tertiary); padding: 6px 4px 0; }
.brooks-formula em { font-style: normal; color: var(--cyan-accent); }
.badge { font-size: 10px; padding: 2px 10px; border-radius: 20px; font-weight: 500; letter-spacing: 0.5px; }
.badge-red { background: rgba(232,89,60,0.15); color: var(--coral); }
.badge-green { background: rgba(29,158,117,0.15); color: var(--teal); }
.badge-amber { background: rgba(239,159,39,0.15); color: var(--amber); }
.slider-row { display: flex; align-items: center; gap: 16px; margin-top: 36px; max-width: 500px; }
.slider-row label { font-size: 14px; color: var(--text-secondary); white-space: nowrap; }
.slider-row input[type=range] { flex: 1; -webkit-appearance: none; appearance: none; height: 4px; border-radius: 2px; background: var(--slate); outline: none; }
.slider-row input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 20px; height: 20px; border-radius: 50%; background: var(--blue-accent); cursor: pointer; border: 3px solid var(--navy); box-shadow: 0 0 12px rgba(59,130,246,0.4); }
.slider-num { font-size: 28px; font-weight: 500; min-width: 52px; text-align: right; font-family: var(--font-mono); }

/* ---------- Callout ---------- */
.callout { margin-top: 36px; padding: 26px 28px; border-radius: 14px; background: rgba(29,158,117,0.05); border: 0.5px solid rgba(29,158,117,0.18); }
.callout h4 { font-size: 15px; font-weight: 500; color: var(--teal); margin-bottom: 8px; }
.callout p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; font-weight: 300; }
.pullquote { margin-top: 40px; padding: 28px 32px; border-left: 2px solid rgba(34,211,238,0.4); font-size: 18px; line-height: 1.6; font-weight: 300; color: var(--text-primary); }

/* ---------- CTA + contact ---------- */
#cta { padding-top: 110px; padding-bottom: 110px; text-align: center; border-top: 0.5px solid var(--border); position: relative; }
#cta .container { position: relative; z-index: 2; }
.cta-glow { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); width: 600px; height: 300px; border-radius: 50%; background: radial-gradient(ellipse, rgba(59,130,246,0.06), transparent 70%); pointer-events: none; }
#contact-form { padding-top: 100px; padding-bottom: 100px; border-top: 0.5px solid var(--border); }
.contact-form-wrap { margin-top: 28px; padding: 28px; border-radius: 16px; background: var(--navy-light); border: 0.5px solid var(--glass-border); }
.contact-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.contact-field { display: flex; flex-direction: column; gap: 8px; }
.contact-field.full { grid-column: 1 / -1; }
.contact-label { font-size: 12px; color: var(--text-secondary); font-weight: 400; }
.contact-input, .contact-textarea {
  width: 100%; border-radius: 10px; border: 0.5px solid var(--glass-border);
  background: var(--navy); color: var(--text-primary); font-family: var(--font-display);
  font-size: 14px; padding: 12px 14px; outline: none;
}
.contact-input:focus, .contact-textarea:focus { border-color: var(--blue-accent); }
.contact-textarea { min-height: 140px; resize: vertical; line-height: 1.55; }
.contact-actions { margin-top: 18px; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.contact-note { font-size: 12px; color: var(--text-tertiary); }

/* ---------- Footer ---------- */
footer { padding: 56px clamp(24px,5vw,80px) 40px; border-top: 0.5px solid var(--border); }
.foot-grid { max-width: 1120px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.foot-brand { font-size: 15px; font-weight: 500; display: flex; align-items: center; gap: 9px; margin-bottom: 12px; }
.foot-brand svg { width: 24px; height: 24px; }
.foot-tag { font-size: 12.5px; color: var(--text-tertiary); font-weight: 300; line-height: 1.6; max-width: 280px; }
.foot-col h5 { font-size: 11px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--text-tertiary); font-weight: 500; margin-bottom: 14px; }
.foot-col a { display: block; font-size: 13px; color: var(--text-secondary); font-weight: 300; padding: 5px 0; transition: color 0.2s; }
.foot-col a:hover { color: var(--text-primary); }
.foot-bottom { max-width: 1120px; margin: 40px auto 0; padding-top: 24px; border-top: 0.5px solid var(--glass-border); display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.foot-bottom span { font-size: 12px; color: var(--text-tertiary); font-weight: 300; }

/* ---------- Animation ---------- */
@keyframes fadeUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
.fade-up { opacity: 0; animation: fadeUp 0.8s ease forwards; }
.fade-up.d1 { animation-delay: 0.1s; }
.fade-up.d2 { animation-delay: 0.2s; }
.fade-up.d3 { animation-delay: 0.3s; }
.fade-up.d4 { animation-delay: 0.4s; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .fade-up { opacity: 1; animation: none; }
  * { transition-duration: 0.01ms !important; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1040px) {
  .prod-grid, .feat-grid, .feat-grid.four { grid-template-columns: repeat(2, 1fr); }
  .stage-grid { grid-template-columns: repeat(3, 1fr); }
  .price-grid { grid-template-columns: repeat(3, 1fr); }
  .science-strip { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .foot-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 768px) {
  section { padding: 0 18px; }
  nav { height: 56px; padding: 0 16px; backdrop-filter: blur(12px); }
  .nav-logo { font-size: 15px; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-right { display: flex; align-items: center; gap: 10px; }
  .nav-cta { padding: 8px 12px; font-size: 11px; }
  #hero { min-height: 88vh; padding-top: 56px; padding-bottom: 56px; }
  #hero canvas { opacity: 0.76; }
  .hero-title { font-size: clamp(30px, 9vw, 42px); line-height: 1.14; letter-spacing: -0.8px; }
  .hero-sub { font-size: 15px; line-height: 1.6; max-width: 100%; margin-bottom: 20px; }
  .hero-gradient { height: 62%; }
  .hero-ctas { width: 100%; gap: 10px; }
  .btn-primary, .btn-secondary { width: 100%; justify-content: center; min-height: 44px; padding: 12px 18px; }
  .hero-stats, .hero-legend { display: none; }
  .page-hero { padding-top: 104px; padding-bottom: 40px; }
  .page-hero h1 { font-size: clamp(28px, 8vw, 38px); letter-spacing: -0.6px; }
  .page-hero .lede { font-size: 15.5px; }
  .section-title { line-height: 1.2; margin-bottom: 12px; }
  .section-sub { font-size: 15px; line-height: 1.6; max-width: 100%; }
  .block, .block-tight, #cta, #contact-form { padding-top: 72px; padding-bottom: 72px; }
  .prod-grid, .feat-grid, .feat-grid.two, .feat-grid.four,
  .stage-grid, .price-grid, .patent-grid, .pub-grid,
  .brooks-grid, .contrast-grid, .science-strip { grid-template-columns: 1fr; }
  .contrast-col.right { border-left: none; border-top: 0.5px solid var(--glass-border); }
  .contrast-col { padding: 22px 18px; }
  .cmp-head, .cmp-row { grid-template-columns: 1fr; }
  .cmp-head > div:last-child, .cmp-row > div:last-child { border-left: none; }
  .cmp-row > div:first-child { padding-bottom: 6px; }
  .cmp-row > div:last-child { border-top: none; padding-top: 6px; padding-bottom: 18px; }
  .result-card { grid-template-columns: 1fr; gap: 22px; padding: 24px; }
  .result-big { font-size: 44px; }
  .pipeline-steps { flex-direction: column; }
  .pipeline-step:first-child { border-radius: 12px 12px 0 0; }
  .pipeline-step:last-child { border-radius: 0 0 12px 12px; }
  .pipeline-detail { padding: 22px; min-height: 220px; }
  .slider-row { max-width: none; flex-wrap: wrap; gap: 10px; }
  .slider-row label { width: 100%; }
  .syntiant-timeline { flex-direction: column; gap: 16px; }
  .syntiant-timeline::before { display: none; }
  .tlist-item { padding: 20px; }
  .contact-form-wrap { padding: 20px; }
  .contact-form-grid { grid-template-columns: 1fr; }
  .contact-actions { flex-direction: column; align-items: stretch; }
  .foot-grid { grid-template-columns: 1fr; gap: 28px; }
  .foot-bottom { flex-direction: column; align-items: flex-start; }
  .pipeline-detail .tooltip:hover::after,
  .pipeline-detail .tooltip:active::after,
  .pipeline-detail .tooltip:focus-visible::after { top: calc(100% + 8px); bottom: auto; }
}