:root {
  --navy: #1f3a7a;
  --navy-strong: #162c5f;
  --navy-soft: #e6f1fb;
  --text: #10233f;
  --muted: #5f6d85;
  --line: #e0e6f0;
  --surface: #ffffff;
  --green-soft: #e6f4ec;
  --green-strong: #2d8450;
  --amber-soft: #fff3cd;
  --amber-strong: #a56b00;
  --coral: #e8593c;
  --coral-dark: #cf4528;
  --shadow-sm: 0 14px 30px rgba(16, 35, 63, 0.06);
  --shadow-md: 0 22px 48px rgba(16, 35, 63, 0.09);
  --shadow-lg: 0 34px 80px rgba(16, 35, 63, 0.12);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --max-width: 1200px;
  --transition: 220ms ease;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #fbfcff 0%, #f4f7fc 100%);
  line-height: 1.65;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 3px solid rgba(232, 89, 60, 0.34); outline-offset: 3px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; top: -4rem; left: 1rem; z-index: 100; padding: 0.8rem 1rem; border-radius: 999px; background: var(--coral); color: #fff; font-weight: 700; }
.skip-link:focus { top: 1rem; }
.container { width: min(calc(100% - 2rem), var(--max-width)); margin: 0 auto; }
.section { padding: 5.6rem 0; }
.section-alt { background: linear-gradient(180deg, rgba(230, 241, 251, 0.42), rgba(255, 255, 255, 0.9)); }
.section-heading { max-width: 860px; margin-bottom: 2.4rem; }
.section-heading h2 { margin: 0.65rem 0 0; font-size: clamp(2rem, 4vw, 3.2rem); line-height: 1.08; letter-spacing: -0.04em; }
.section-heading p:last-child { margin-top: 1rem; color: var(--muted); font-size: 1.05rem; }
.eyebrow { display: inline-flex; align-items: center; gap: 0.55rem; font-size: 0.76rem; font-weight: 800; letter-spacing: 0.18em; text-transform: uppercase; color: var(--navy); }
.eyebrow::before { content: ""; width: 0.68rem; height: 0.68rem; border-radius: 999px; background: var(--coral); box-shadow: 0 0 0 6px rgba(232, 89, 60, 0.16); }
.site-header { position: sticky; top: 0; z-index: 40; background: rgba(255, 255, 255, 0.82); backdrop-filter: blur(8px); transition: border-color var(--transition), box-shadow var(--transition), background var(--transition); }
.site-header.is-scrolled { border-bottom: 1px solid rgba(16, 35, 63, 0.08); box-shadow: 0 10px 30px rgba(16, 35, 63, 0.06); background: rgba(255, 255, 255, 0.92); }
.nav-shell { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: 0.85rem; color: var(--navy); font-weight: 800; }
.brand-mark { width: 44px; height: 44px; flex: 0 0 auto; }
.brand-wordmark { font-size: 1rem; letter-spacing: -0.03em; }
.site-nav { display: flex; align-items: center; gap: 1.2rem; }
.site-nav a { position: relative; padding: 0.35rem 0; color: var(--muted); font-weight: 600; transition: color var(--transition); }
.site-nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -0.3rem; height: 2px; border-radius: 999px; background: var(--navy); transform: scaleX(0); transform-origin: left; transition: transform var(--transition); }
.site-nav a:hover, .site-nav a:focus-visible, .site-nav a.is-active { color: var(--navy); }
.site-nav a:hover::after, .site-nav a:focus-visible::after, .site-nav a.is-active::after { transform: scaleX(1); }
.nav-github { display: inline-flex; align-items: center; gap: 0.45rem; }
.nav-github svg { width: 1rem; height: 1rem; }
.nav-toggle { display: none; width: 48px; height: 48px; padding: 0; border-radius: 14px; border: 1px solid rgba(16, 35, 63, 0.08); background: rgba(255, 255, 255, 0.94); align-items: center; justify-content: center; flex-direction: column; gap: 4px; }
.nav-toggle span { width: 18px; height: 2px; background: var(--navy); border-radius: 999px; }
.hero { position: relative; padding: 7rem 0 5.6rem; background: linear-gradient(135deg, #132756 0%, #1f3a7a 48%, #243f83 100%); color: #fff; overflow: hidden; }
.hero-grid-layer { position: absolute; inset: 0; background-image: radial-gradient(circle, rgba(255, 255, 255, 0.22) 1px, transparent 1px); background-size: 24px 24px; opacity: 0.26; animation: dotPulse 8s ease-in-out infinite; }
@keyframes dotPulse { 0%, 100% { opacity: 0.18; transform: scale(1); } 50% { opacity: 0.34; transform: scale(1.02); } }
.hero::before, .hero::after { content: ""; position: absolute; border-radius: 999px; filter: blur(90px); opacity: 0.34; }
.hero::before { width: 260px; height: 260px; top: -40px; right: 6%; background: rgba(232, 89, 60, 0.5); }
.hero::after { width: 320px; height: 320px; bottom: -110px; left: -60px; background: rgba(84, 152, 255, 0.4); }
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr); gap: 2rem; align-items: center; }
.eyebrow-hero { color: #d6e7ff; }
.hero h1 { margin: 1rem 0 0; font-size: clamp(2.25rem, 5vw, 3.5rem); line-height: 1.04; letter-spacing: -0.05em; max-width: 10ch; }
.hero-subtitle { margin-top: 1.1rem; max-width: 34rem; color: #dbe6fb; font-size: 1.25rem; }
.hero-stat-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.95rem; margin-top: 2rem; }
.hero-stat { padding: 1.1rem; border-radius: 18px; background: rgba(255, 255, 255, 0.08); border: 1px solid rgba(255, 255, 255, 0.12); box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12); }
.hero-stat-value { display: block; font-size: clamp(1.8rem, 3vw, 2.45rem); font-weight: 800; letter-spacing: -0.04em; }
.hero-stat-label { display: block; margin-top: 0.35rem; color: #dbe6fb; font-size: 0.92rem; }
.hero-actions, .timeline-controls, .sql-actions, .prototype-link-group { display: flex; flex-wrap: wrap; gap: 0.9rem; }
.hero-actions { margin-top: 2rem; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem; min-height: 50px; padding: 0 1.25rem; border-radius: 999px; border: 1px solid transparent; font-weight: 800; transition: transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition), color var(--transition); }
.button:hover, .button:focus-visible { transform: translateY(-1px); }
.button-accent { background: var(--coral); color: #fff; box-shadow: 0 16px 34px rgba(232, 89, 60, 0.28); }
.button-accent:hover, .button-accent:focus-visible { background: var(--coral-dark); }
.button-ghost { border-color: rgba(255, 255, 255, 0.45); color: #fff; background: transparent; }
.button-ghost:hover, .button-ghost:focus-visible { background: rgba(255, 255, 255, 0.08); }
.button-outline { border-color: rgba(16, 35, 63, 0.12); background: rgba(255, 255, 255, 0.85); color: var(--navy); box-shadow: var(--shadow-sm); }
.hero-visual { position: relative; min-height: 380px; border-radius: 28px; background: linear-gradient(180deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.04)); border: 1px solid rgba(255, 255, 255, 0.12); box-shadow: var(--shadow-lg); overflow: hidden; }
.hero-panel { position: absolute; padding: 1rem 1.1rem; border-radius: 20px; border: 1px solid rgba(255, 255, 255, 0.12); background: rgba(8, 18, 41, 0.36); backdrop-filter: blur(10px); }
.hero-panel span, .hero-panel strong { display: block; }
.hero-panel strong { font-size: 1.05rem; letter-spacing: -0.02em; }
.hero-panel span { color: #dbe6fb; font-size: 0.92rem; }
.hero-panel-agents { top: 42px; left: 38px; width: 150px; display: grid; gap: 0.75rem; }
.hero-panel-core { top: 86px; left: 214px; width: 180px; display: grid; gap: 0.55rem; }
.hero-panel-result { top: 146px; right: 38px; width: 168px; display: grid; gap: 0.55rem; }
.hero-connector { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-connector path { fill: none; stroke: url(#heroFlow); stroke-width: 3; stroke-linecap: round; stroke-dasharray: 8 10; animation: flowDash 18s linear infinite; }
@keyframes flowDash { to { stroke-dashoffset: -200; } }
.feature-flow-grid, .metrics-grid, .patent-grid, .prototype-gallery { display: grid; gap: 1rem; }
.feature-flow-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.feature-card, .sql-card, .arch-note-card, .metric-card, .patent-card, .gallery-card, .prototype-architecture-card, .system-requirements, .explanation-box, .tabs-shell, .timeline-shell, .comparison-wrap, .architecture-canvas { background: rgba(255, 255, 255, 0.94); border: 1px solid var(--line); border-radius: var(--radius-xl); box-shadow: var(--shadow-sm); }
.feature-card, .arch-note-card, .metric-card, .patent-card, .system-requirements, .explanation-box, .prototype-architecture-card, .timeline-shell, .tabs-shell { padding: 1.35rem; }
.feature-card h3, .arch-note-card h3, .metric-card h3, .patent-card h3, .prototype-architecture-card h3, .system-requirements h3, .explanation-box h3 { margin: 0 0 0.7rem; font-size: 1.08rem; letter-spacing: -0.03em; }
.feature-card p, .arch-note-card p, .patent-card p, .system-requirements p, .explanation-box li, .gallery-card figcaption { color: var(--muted); }
.timeline-controls, .sql-actions { margin-bottom: 1rem; }
.timeline-diagram { overflow-x: auto; }
.timeline-stage { position: relative; min-width: 920px; padding: 2.4rem 0 4.4rem; }
.timeline-scale { position: relative; min-width: 920px; height: 26px; margin: 0 0 0.8rem 100px; border-bottom: 1px solid rgba(16, 35, 63, 0.16); }
.timeline-scale span { position: absolute; bottom: 0.35rem; transform: translateX(-50%); font-size: 0.72rem; color: var(--muted); }
.timeline-window { position: absolute; left: calc(100px + 8.333%); width: calc(75% - 2px); top: 0.75rem; bottom: 1.45rem; border-radius: 18px; background: rgba(232, 89, 60, 0.16); border: 1px solid rgba(232, 89, 60, 0.3); opacity: 0.28; transition: opacity 300ms ease, box-shadow 300ms ease; }
.timeline-window.is-active { opacity: 1; box-shadow: inset 0 0 0 1px rgba(232, 89, 60, 0.16); }
.timeline-window span { position: absolute; top: 0.55rem; left: 1rem; font-size: 0.78rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; color: var(--coral-dark); }
.timeline-row { position: relative; display: grid; grid-template-columns: 92px 1fr; align-items: center; min-height: 84px; }
.timeline-label { font-weight: 800; color: var(--navy); }
.timeline-line { position: relative; height: 1px; background: rgba(16, 35, 63, 0.14); }
.timeline-line::before { content: ""; position: absolute; inset: -12px 0 auto; height: 24px; background-image: linear-gradient(90deg, rgba(16, 35, 63, 0.1) 1px, transparent 1px); background-size: calc(100% / 12) 100%; }
.task-bubble, .fanout-arrow, .execution-arrow, .multiplier-badge { opacity: 0; transform: translateY(10px); transition: opacity 280ms ease, transform 280ms ease; }
.task-bubble.is-visible, .fanout-arrow.is-visible, .execution-arrow.is-visible, .multiplier-badge.is-visible { opacity: 1; transform: translateY(0); }
.task-bubble { position: absolute; top: 50%; width: 124px; padding: 0.75rem; border-radius: 16px; transform: translateY(-50%) translateY(10px); border: 1px solid transparent; box-shadow: var(--shadow-sm); }
.task-bubble strong, .task-bubble span, .task-bubble em { display: block; }
.task-bubble strong { font-size: 0.9rem; }
.task-bubble span { font-size: 0.76rem; color: var(--muted); }
.task-bubble em { margin-top: 0.35rem; width: fit-content; padding: 0.18rem 0.48rem; border-radius: 999px; font-style: normal; font-size: 0.68rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; background: rgba(232, 89, 60, 0.14); color: var(--coral-dark); }
.agent-a { left: calc(100px + 8.333%); background: rgba(230, 241, 251, 0.95); border-color: rgba(31, 58, 122, 0.12); }
.agent-b { left: calc(100px + 33.333%); background: rgba(255, 243, 205, 0.95); border-color: rgba(165, 107, 0, 0.16); }
.agent-c { left: calc(100px + 41.666%); background: rgba(255, 243, 205, 0.95); border-color: rgba(165, 107, 0, 0.16); }
.fanout-arrow { position: absolute; right: 30px; top: 50%; width: 210px; height: 0; border-top: 2px solid var(--green-strong); transform: translateY(-50%) translateY(10px); }
.fanout-arrow::before, .execution-arrow::after { content: ""; position: absolute; width: 10px; height: 10px; border-top: 2px solid currentColor; border-right: 2px solid currentColor; transform: rotate(45deg); }
.fanout-arrow::before { left: -1px; top: -6px; color: var(--green-strong); transform: rotate(-135deg); }
.fanout-arrow span, .execution-arrow span { position: absolute; top: -1.7rem; font-size: 0.76rem; font-weight: 700; color: var(--green-strong); }
.execution-arrow { position: absolute; left: calc(100px + 83.333%); top: calc(100% - 48px); width: 140px; height: 0; border-top: 3px solid var(--green-strong); color: var(--green-strong); }
.execution-arrow::after { right: -1px; top: -6px; }
.multiplier-badge { position: absolute; right: 0; bottom: 0; padding: 0.75rem 1rem; border-radius: 999px; background: var(--navy); color: #fff; font-weight: 800; box-shadow: var(--shadow-md); }
.sql-demo-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.sql-card { padding: 1.15rem; background: rgba(255, 255, 255, 0.94); border: 1px solid var(--line); border-radius: var(--radius-xl); box-shadow: var(--shadow-sm); }
.sql-card header { display: flex; align-items: center; justify-content: space-between; gap: 0.8rem; margin-bottom: 0.8rem; }
.agent-chip { display: inline-flex; align-items: center; justify-content: center; min-width: 76px; padding: 0.28rem 0.58rem; border-radius: 999px; font-size: 0.72rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }
.chip-a { background: rgba(31, 58, 122, 0.1); color: var(--navy); } .chip-b { background: rgba(232, 89, 60, 0.12); color: var(--coral-dark); } .chip-c { background: rgba(165, 107, 0, 0.12); color: var(--amber-strong); }
.sql-card-title, .hash-line { font-size: 0.84rem; color: var(--muted); }
.code-box, .snippet-block { margin: 0; padding: 1rem; overflow: auto; border-radius: 18px; background: #1a1a2e; color: #f6f7fb; font-family: "IBM Plex Mono", monospace; font-size: 0.83rem; line-height: 1.65; white-space: pre-wrap; word-break: break-word; }
.canonical-box { margin-top: 0.8rem; min-height: 106px; }
.sql-result { margin-top: 0.9rem; }
.match-badge { display: inline-flex; align-items: center; min-height: 32px; padding: 0 0.75rem; border-radius: 999px; background: rgba(16, 35, 63, 0.06); color: var(--muted); font-size: 0.74rem; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase; }
.match-badge.is-match { background: rgba(45, 132, 80, 0.12); color: var(--green-strong); }
.match-badge.is-near { background: rgba(165, 107, 0, 0.12); color: var(--amber-strong); }
.sql-keyword { color: #74b9ff; font-weight: 700; }
.sql-placeholder { color: #ffd166; }
.sql-string { color: #8ad8b3; }
.architecture-shell { display: grid; gap: 1rem; }
.architecture-canvas { position: relative; min-height: 420px; overflow: hidden; }
.architecture-svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.arch-main, .arch-collapse, .arch-deferred { fill: none; stroke-width: 3; stroke-linecap: round; }
.arch-main { stroke: var(--navy); }
.arch-collapse { stroke: var(--coral); stroke-dasharray: 8 10; }
.arch-deferred { stroke: #7b849a; stroke-dasharray: 6 8; }
.arch-label { font-family: "IBM Plex Mono", monospace; font-size: 13px; fill: var(--coral-dark); letter-spacing: 0.04em; }
.arch-label-muted { fill: #7b849a; }
.arch-node { position: absolute; display: inline-flex; align-items: center; justify-content: center; min-width: 110px; padding: 0.85rem 0.95rem; border-radius: 18px; border: 1px solid transparent; font-weight: 800; letter-spacing: -0.02em; box-shadow: var(--shadow-sm); transition: transform var(--transition), box-shadow var(--transition); }
.arch-node:hover, .arch-node:focus-visible { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.arch-node::after { content: attr(data-tip); position: absolute; left: 50%; bottom: calc(100% + 10px); width: 220px; padding: 0.7rem 0.85rem; border-radius: 14px; background: rgba(12, 24, 48, 0.96); color: #fff; font-size: 0.78rem; line-height: 1.45; text-align: left; transform: translateX(-50%) translateY(8px); opacity: 0; pointer-events: none; transition: opacity var(--transition), transform var(--transition); z-index: 3; }
.arch-node:hover::after, .arch-node:focus-visible::after { opacity: 1; transform: translateX(-50%) translateY(0); }
.node-agent { background: var(--navy-soft); color: var(--navy); border-color: rgba(31, 58, 122, 0.12); }
.node-core { background: var(--navy); color: #fff; }
.node-cache { background: var(--amber-soft); color: #4d3b13; border-color: rgba(165, 107, 0, 0.16); }
.node-result { background: var(--green-soft); color: #225d3a; border-color: rgba(45, 132, 80, 0.16); }
.node-start { top: 168px; left: 34px; } .node-tir { top: 168px; left: 190px; } .node-sfm { top: 168px; left: 390px; } .node-sde { top: 168px; left: 592px; } .node-tac { top: 168px; left: 792px; } .node-seu { top: 168px; left: 946px; } .node-cache-main { top: 68px; left: 848px; } .node-rfm { top: 294px; left: 968px; } .node-result-end { top: 294px; left: 92px; } .node-cm { top: 68px; left: 618px; }
.architecture-notes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.metrics-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.metric-card { display: grid; gap: 0.7rem; border-radius: 12px; transition: transform var(--transition), box-shadow var(--transition); }
.metric-card:hover, .metric-card:focus-within { transform: translateY(-4px); box-shadow: 0 24px 48px rgba(16, 35, 63, 0.12); }
.metric-label { font-size: 0.8rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
.metric-value { font-size: clamp(2rem, 4vw, 2.8rem); line-height: 1; letter-spacing: -0.04em; }
.sparkline { width: 100%; height: 48px; }
.sparkline polyline { fill: none; stroke: var(--navy); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.metrics-footnote { margin-top: 1rem; color: var(--muted); font-size: 0.92rem; }
.comparison-wrap { overflow-x: auto; }
.comparison-table { width: 100%; min-width: 960px; border-collapse: collapse; }
.comparison-table th, .comparison-table td { padding: 1rem 1.05rem; border-bottom: 1px solid var(--line); text-align: center; }
.comparison-table thead th { position: sticky; top: 0; background: #f5f8fd; z-index: 1; }
.comparison-table th:first-child, .comparison-table td:first-child { position: sticky; left: 0; text-align: left; background: rgba(255, 255, 255, 0.98); z-index: 2; }
.comparison-table thead th:first-child { z-index: 3; }
.wdc-column-header { background: var(--navy) !important; color: #fff; }
.status { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 999px; font-weight: 800; }
.status-yes { background: rgba(45, 132, 80, 0.12); color: var(--green-strong); }
.status-no { background: rgba(220, 53, 69, 0.12); color: #a72d3b; }
.status-partial { background: rgba(165, 107, 0, 0.12); color: var(--amber-strong); }
.wdc-yes { background: rgba(230, 244, 236, 0.8); }
.prototype-top-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr); gap: 1rem; }
.prototype-architecture-card img { margin-top: 1rem; width: 100%; border-radius: 18px; border: 1px solid var(--line); }
.prototype-rail { display: grid; grid-template-columns: repeat(7, auto); gap: 0.6rem; align-items: center; margin-top: 1rem; }
.rail-node { padding: 0.7rem 0.9rem; border-radius: 16px; font-weight: 800; text-align: center; box-shadow: var(--shadow-sm); }
.browser-node { background: var(--navy-soft); color: var(--navy); } .api-node { background: var(--navy); color: #fff; } .redis-node { background: var(--amber-soft); color: #4d3b13; } .model-node { background: var(--green-soft); color: #225d3a; }
.rail-arrow { position: relative; width: 42px; height: 2px; background: var(--navy); }
.rail-arrow::after { content: ""; position: absolute; right: 0; top: -4px; width: 10px; height: 10px; border-top: 2px solid var(--navy); border-right: 2px solid var(--navy); transform: rotate(45deg); }
.system-requirements ul { margin: 0; padding-left: 1.15rem; color: var(--muted); }
.system-requirements li + li { margin-top: 0.3rem; }
.tabs-shell { margin-top: 1.2rem; }
.tab-input { position: absolute; opacity: 0; pointer-events: none; }
.tab-list { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: 1rem; }
.tab-list label { display: inline-flex; align-items: center; min-height: 44px; padding: 0 1rem; border-radius: 999px; border: 1px solid var(--line); background: #fff; font-weight: 800; color: var(--muted); cursor: pointer; }
#tab-quickstart:checked ~ .tab-list label[for="tab-quickstart"], #tab-api:checked ~ .tab-list label[for="tab-api"], #tab-sdk:checked ~ .tab-list label[for="tab-sdk"] { background: var(--navy); color: #fff; border-color: var(--navy); }
.tab-panels .tab-panel { display: none; }
#tab-quickstart:checked ~ .tab-panels [data-panel="quickstart"], #tab-api:checked ~ .tab-panels [data-panel="api"], #tab-sdk:checked ~ .tab-panels [data-panel="sdk"] { display: block; }
.code-panel-head { display: flex; align-items: center; justify-content: space-between; gap: 0.8rem; margin-bottom: 0.75rem; }
.code-panel-head h3 { margin: 0; }
.copy-button { min-height: 38px; padding: 0 0.95rem; border-radius: 999px; border: 1px solid var(--line); background: rgba(255, 255, 255, 0.9); color: var(--navy); font-weight: 800; }
.prototype-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 1.2rem; }
.gallery-card { overflow: hidden; }
.gallery-card img { width: 100%; border-bottom: 1px solid var(--line); }
.gallery-card figcaption { padding: 1rem; font-size: 0.92rem; }
.status-pill { display: inline-flex; align-items: center; min-height: 34px; padding: 0 0.8rem; border-radius: 999px; background: rgba(232, 89, 60, 0.12); color: var(--coral-dark); font-size: 0.76rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }
.patent-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.site-footer { background: var(--navy); color: #fff; }
.footer-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; padding: 3.2rem 0 2.2rem; }
.footer-brand { font-size: 1.1rem; font-weight: 800; letter-spacing: -0.03em; }
.site-footer p, .site-footer li, .site-footer a { color: rgba(255, 255, 255, 0.82); }
.site-footer h3 { margin: 0 0 0.8rem; font-size: 1rem; }
.footer-links { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.45rem; }
.footer-note { margin-top: 0.6rem; }
.footer-bottom { padding: 1rem; border-top: 1px solid rgba(255, 255, 255, 0.14); text-align: center; color: rgba(255, 255, 255, 0.78); font-size: 0.92rem; }
@media (max-width: 1080px) {
  .hero-inner, .prototype-top-grid { grid-template-columns: 1fr; }
  .hero h1 { max-width: none; }
  .feature-flow-grid, .metrics-grid, .architecture-notes, .patent-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sql-demo-grid, .prototype-gallery, .footer-grid { grid-template-columns: 1fr; }
  .architecture-canvas { min-height: 640px; display: grid; align-content: start; padding: 1rem; }
  .architecture-svg { display: none; }
  .arch-node { position: static; width: 100%; margin: 0.7rem; }
}
@media (max-width: 860px) {
  .site-nav { position: absolute; top: calc(100% + 1px); left: 0; right: 0; display: grid; gap: 0; background: rgba(255, 255, 255, 0.98); border-bottom: 1px solid rgba(16, 35, 63, 0.08); box-shadow: 0 12px 32px rgba(16, 35, 63, 0.08); transform: translateY(-8px); opacity: 0; pointer-events: none; transition: opacity var(--transition), transform var(--transition); }
  .site-nav a { padding: 1rem; }
  .site-nav.is-open { opacity: 1; pointer-events: auto; transform: translateY(0); }
  .nav-toggle { display: inline-flex; }
  .hero { padding-top: 6rem; }
  .hero-stat-grid, .feature-flow-grid, .metrics-grid, .patent-grid, .sql-demo-grid { grid-template-columns: 1fr; }
  .timeline-scale, .timeline-stage { min-width: 100%; }
  .timeline-scale { margin-left: 0; }
  .timeline-stage { padding-top: 1.5rem; }
  .timeline-row { grid-template-columns: 1fr; gap: 0.65rem; min-height: auto; padding: 1rem 0; }
  .timeline-label { padding-left: 0.2rem; }
  .timeline-line { display: none; }
  .timeline-window { left: 0; width: 100%; top: 0.2rem; bottom: auto; height: calc(100% - 1rem); }
  .task-bubble, .fanout-arrow, .execution-arrow, .multiplier-badge { position: relative; left: auto; right: auto; top: auto; width: 100%; transform: translateY(10px); }
  .task-bubble.is-visible, .fanout-arrow.is-visible, .execution-arrow.is-visible, .multiplier-badge.is-visible { transform: translateY(0); }
  .fanout-arrow, .execution-arrow { margin-top: 0.55rem; }
  .fanout-arrow span, .execution-arrow span { position: static; display: inline-block; margin-bottom: 0.45rem; }
  .multiplier-badge { margin-top: 1rem; }
  .prototype-rail { grid-template-columns: 1fr; }
  .rail-arrow { width: 2px; height: 28px; justify-self: center; }
  .rail-arrow::after { top: auto; bottom: 0; left: -4px; transform: rotate(135deg); }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .hero h1 { font-size: 2.25rem; }
  .hero-subtitle { font-size: 1.05rem; }
  .section { padding: 4.6rem 0; }
  .section-heading h2 { font-size: 2rem; }
  .button, .copy-button { width: 100%; }
  .hero-actions, .timeline-controls, .sql-actions, .prototype-link-group { flex-direction: column; }
}
@media (prefers-color-scheme: dark) {
  .metric-card { background: rgba(12, 24, 48, 0.92); border-color: rgba(255, 255, 255, 0.08); color: #eff4ff; }
  .metric-card .metric-label { color: rgba(239, 244, 255, 0.68); }
  .sparkline polyline { stroke: #90b9ff; }
  .comparison-wrap { background: rgba(12, 24, 48, 0.94); border-color: rgba(255, 255, 255, 0.08); }
  .comparison-table th, .comparison-table td { border-bottom-color: rgba(255, 255, 255, 0.08); color: #eff4ff; }
  .comparison-table thead th, .comparison-table th:first-child, .comparison-table td:first-child { background: rgba(16, 30, 58, 0.98); }
}