:root {
  color-scheme: dark;
  --bg: #030812;
  --bg-deep: #01050c;
  --surface: #07111f;
  --surface-2: #0a1525;
  --ink: #f2ede2;
  --muted: #9ba8b9;
  --muted-2: #69778b;
  --line: rgba(122, 165, 209, 0.2);
  --line-strong: rgba(85, 211, 255, 0.45);
  --cyan: #54ddff;
  --blue: #5e90ff;
  --violet: #9a6dff;
  --coral: #ff7c6b;
  --header-h: 68px;
  --shell: min(1320px, calc(100vw - 72px));
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 20px); }
body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--ink);
  font-family: "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
button, a { font: inherit; }
a { color: inherit; text-decoration: none; }
button { color: inherit; }
::selection { background: rgba(84, 221, 255, 0.28); color: #fff; }

.shell { width: var(--shell); margin-inline: auto; position: relative; z-index: 2; }
.site-grid {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(73, 115, 163, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(73, 115, 163, .035) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: linear-gradient(to bottom, #000, transparent 70%);
}
.cursor-glow {
  position: fixed;
  width: 520px;
  aspect-ratio: 1;
  border-radius: 50%;
  pointer-events: none;
  z-index: -1;
  left: var(--mx, 70%);
  top: var(--my, 20%);
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(75, 124, 255, .08), transparent 68%);
}

.site-header {
  position: fixed;
  z-index: 30;
  inset: 0 0 auto;
  height: var(--header-h);
  padding-inline: max(28px, calc((100vw - 1440px) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(104, 150, 196, .15);
  background: linear-gradient(to bottom, rgba(2, 7, 15, .92), rgba(2, 7, 15, .62));
  backdrop-filter: blur(18px);
  transition: background .3s ease, border-color .3s ease;
}
.site-header.is-scrolled { background: rgba(2, 7, 15, .94); border-color: rgba(84, 221, 255, .2); }
.brand { display: inline-flex; align-items: center; font-size: 23px; font-weight: 700; letter-spacing: -.04em; }
.brand-accent { color: var(--cyan); }
.site-nav { display: flex; align-items: stretch; height: 100%; gap: 42px; }
.site-nav a {
  position: relative;
  display: grid;
  place-items: center;
  color: #aeb9c7;
  font-size: 14px;
  letter-spacing: .08em;
  transition: color .25s ease;
}
.site-nav a::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 2px;
  background: var(--cyan);
  transform: scaleX(0);
  transition: transform .25s var(--ease);
}
.site-nav a:hover, .site-nav a.is-active { color: var(--ink); }
.site-nav a:hover::after, .site-nav a.is-active::after { transform: scaleX(1); }
.menu-toggle { display: none; }

.hero {
  min-height: 100svh;
  position: relative;
  display: grid;
  align-items: center;
  overflow: hidden;
  background: var(--bg-deep);
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 26%;
  background: linear-gradient(to bottom, transparent, var(--bg));
  pointer-events: none;
}
.hero-media { position: absolute; inset: 0; }
.hero-media::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(90deg, rgba(2, 7, 15, .97) 0%, rgba(2, 7, 15, .78) 30%, rgba(2, 7, 15, .08) 67%, rgba(2, 7, 15, .18) 100%);
}
.hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: center; filter: saturate(.95) contrast(1.06); }
.hero-scan {
  position: absolute;
  z-index: 2;
  right: 0;
  top: 18%;
  width: 66%;
  height: 1px;
  opacity: .75;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  box-shadow: 0 0 25px rgba(84, 221, 255, .55);
  animation: scan 7s linear infinite;
}
@keyframes scan { 0% { transform: translateY(-15vh); opacity: 0; } 15%, 85% { opacity: .65; } 100% { transform: translateY(65vh); opacity: 0; } }
.hero-inner { min-height: 100svh; display: flex; align-items: center; padding-block: calc(var(--header-h) + 60px) 80px; }
.hero-copy { width: min(590px, 46vw); position: relative; z-index: 4; }
.hero h1 { margin: 0; font-size: clamp(56px, 5.2vw, 84px); line-height: 1.06; letter-spacing: -.055em; font-weight: 720; }
.hero-equation { margin: 28px 0 0; font-size: clamp(19px, 1.75vw, 27px); letter-spacing: .08em; color: #d9d5cc; }
.hero-equation i { margin: 0 .3em; color: var(--cyan); font-style: normal; font-weight: 300; }
.hero-definition { margin: 30px 0 0; max-width: 550px; color: var(--muted); font-size: 15px; line-height: 1.8; }
.hero-facts { display: flex; margin: 33px 0 0; padding: 24px 0; border-block: 1px solid var(--line); }
.hero-facts div { min-width: 112px; padding-right: 28px; margin-right: 28px; border-right: 1px solid var(--line); }
.hero-facts div:last-child { border: 0; margin-right: 0; padding-right: 0; }
.hero-facts dt { font-size: 11px; color: var(--muted-2); letter-spacing: .14em; }
.hero-facts dd { margin: 8px 0 0; font-size: 22px; letter-spacing: .01em; font-weight: 650; }
.primary-action {
  margin-top: 26px;
  min-width: 258px;
  height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  padding-inline: 28px;
  background: rgba(5, 15, 27, .72);
  border: 1px solid var(--cyan);
  color: #eafcff;
  box-shadow: inset 0 0 25px rgba(84, 221, 255, .04), 0 0 0 rgba(84, 221, 255, 0);
  letter-spacing: .08em;
  cursor: pointer;
  transition: transform .3s var(--ease), background .3s ease, box-shadow .3s ease;
}
.primary-action:hover { transform: translateY(-3px); background: rgba(84, 221, 255, .09); box-shadow: 0 14px 50px rgba(44, 174, 230, .12); }
.primary-action svg { width: 23px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.scroll-cue { position: absolute; z-index: 5; bottom: 26px; left: 50%; width: 28px; height: 48px; border: 1px solid rgba(255,255,255,.35); border-radius: 16px; }
.scroll-cue span { position: absolute; top: 8px; left: 50%; width: 3px; height: 8px; border-radius: 4px; background: var(--cyan); transform: translateX(-50%); animation: scrollCue 2s infinite; }
@keyframes scrollCue { 0% { transform: translate(-50%,0); opacity: 0; } 30% { opacity: 1; } 100% { transform: translate(-50%, 22px); opacity: 0; } }

.section { position: relative; padding: 130px 0; overflow: hidden; }
.section-heading { max-width: 780px; }
.section-heading.compact { max-width: 520px; }
.section-index { margin: 0 0 18px; color: var(--cyan); font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; font-size: 11px; letter-spacing: .19em; }
.section-index.coral { color: var(--coral); }
.section-heading h2, .governance-head h2 { margin: 0; font-size: clamp(42px, 4vw, 66px); line-height: 1.09; letter-spacing: -.045em; }
.section-heading > p:last-child { margin: 24px 0 0; max-width: 660px; color: var(--muted); line-height: 1.85; font-size: 15px; }
.contours { position: absolute; width: 760px; height: 760px; border: 1px solid rgba(82, 126, 179, .11); border-radius: 46% 54% 56% 44%; }
.contours::before, .contours::after { content: ""; position: absolute; inset: 11%; border: inherit; border-radius: inherit; transform: rotate(9deg); }
.contours::after { inset: 23%; transform: rotate(-12deg); }
.contours-a { right: -360px; top: 10%; transform: rotate(22deg); }

.runtime { background: linear-gradient(180deg, var(--bg) 0%, #04101c 48%, var(--bg) 100%); }
.runtime-flow { display: grid; grid-template-columns: 1fr 68px 1.18fr 68px 1fr; align-items: stretch; margin-top: 76px; }
.flow-stage { min-width: 0; position: relative; border: 1px solid var(--line); background: linear-gradient(145deg, rgba(10, 24, 42, .8), rgba(3, 10, 19, .46)); padding: 22px; transition: transform .35s var(--ease), border-color .35s ease; }
.flow-stage:hover { transform: translateY(-7px); border-color: var(--line-strong); }
.stage-topline { display: flex; justify-content: space-between; gap: 14px; color: var(--cyan); font-size: 14px; }
.stage-topline b { color: var(--muted-2); font: 500 9px/1 ui-monospace, monospace; letter-spacing: .16em; }
.flow-engine .stage-topline { color: #b993ff; }
.flow-stage h3 { margin: 20px 0 8px; font-size: 18px; }
.flow-stage > p { margin: 0; color: var(--muted); line-height: 1.65; font-size: 13px; }
.stage-visual { width: 100%; aspect-ratio: 16 / 9; margin-top: 19px; color: var(--cyan); }
.map-grid path { fill: none; stroke: url(#mapStroke); stroke-width: 1; opacity: .58; }
.map-points circle { fill: var(--bg); stroke: var(--cyan); stroke-width: 2; }
.signal-path { fill: none; stroke: #fff; stroke-width: 1.8; stroke-dasharray: 6 16; filter: drop-shadow(0 0 6px var(--cyan)); animation: dash 8s linear infinite; }
@keyframes dash { to { stroke-dashoffset: -180; } }
.engine-console { position: relative; min-height: 194px; margin-top: 18px; padding: 22px 82px 17px 83px; border: 1px solid rgba(157, 114, 255, .32); background: linear-gradient(180deg, rgba(22, 31, 54, .85), rgba(7, 12, 25, .88)); box-shadow: inset 0 0 30px rgba(90, 72, 180, .08); }
.console-dots { position: absolute; top: 9px; left: 10px; display: flex; gap: 4px; }
.console-dots i { width: 4px; height: 4px; border-radius: 50%; background: var(--muted-2); }
.task-list { position: absolute; left: 12px; top: 30px; display: grid; gap: 8px; }
.task-list span { padding: 4px 7px; border: 1px solid rgba(91, 133, 185, .2); color: #8fa7c2; font-size: 9px; font-family: ui-monospace, monospace; }
.engine-console svg { width: 100%; height: 135px; color: #647ec9; }
.engine-nodes circle { fill: var(--violet); filter: drop-shadow(0 0 6px var(--violet)); }
.engine-nodes circle:not(:first-child) { fill: var(--coral); }
.engine-console ul { position: absolute; right: 10px; top: 26px; list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; color: #b3c0d1; font-size: 9px; }
.engine-console li::before { content: "✓"; color: var(--cyan); margin-right: 4px; }
.output-symbols { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin: 54px 0 45px; }
.output-symbols svg { width: 100%; padding: 9px; border: 1px solid rgba(100, 152, 204, .2); fill: none; stroke: var(--cyan); stroke-width: 1.4; }
.output-symbols svg:nth-child(2) { stroke: var(--violet); }
.output-symbols svg:nth-child(3) { stroke: var(--blue); }
.output-symbols svg:nth-child(4) { stroke: var(--coral); }
.flow-connector { display: grid; place-items: center; position: relative; }
.flow-connector span { width: 100%; height: 1px; background: linear-gradient(90deg, var(--cyan), var(--violet)); }
.flow-connector i { position: absolute; right: 6px; border-left: 8px solid var(--violet); border-block: 5px solid transparent; }
.experience-strip { margin-top: 28px; display: grid; grid-template-columns: 120px 1fr 18px; gap: 28px; align-items: center; padding: 20px 22px; border-block: 1px solid var(--line); }
.strip-label { color: var(--cyan); font: 500 10px/1 ui-monospace, monospace; letter-spacing: .12em; }
.experience-strip p { margin: 0; color: #aeb9c7; font-size: 13px; line-height: 1.7; }
.live-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--coral); box-shadow: 0 0 12px var(--coral); animation: pulse 2s infinite; }
@keyframes pulse { 50% { transform: scale(1.45); opacity: .6; } }

.validation { background: radial-gradient(circle at 20% 35%, rgba(20, 77, 116, .13), transparent 34%), var(--bg); }
.validation-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(60px, 8vw, 140px); align-items: center; }
.loop-orbit { position: relative; width: min(650px, 100%); aspect-ratio: 1.2; margin-top: 50px; }
.orbit-center { position: absolute; left: 50%; top: 51%; width: 120px; aspect-ratio: 1; transform: translate(-50%, -50%); border: 1px solid rgba(84, 221, 255, .35); border-radius: 50%; display: grid; place-content: center; text-align: center; box-shadow: inset 0 0 30px rgba(84, 221, 255, .06); }
.orbit-center span { color: var(--muted-2); font: 9px/1 ui-monospace, monospace; letter-spacing: .2em; }
.orbit-center strong { margin-top: 7px; color: var(--cyan); font-size: 20px; letter-spacing: .08em; }
.orbit-lines i { position: absolute; left: 50%; top: 51%; border: 1px solid rgba(95, 130, 207, .24); border-radius: 50%; transform: translate(-50%, -50%) rotate(-10deg); }
.orbit-lines i:nth-child(1) { width: 74%; height: 44%; }
.orbit-lines i:nth-child(2) { width: 91%; height: 70%; transform: translate(-50%, -50%) rotate(22deg); }
.orbit-lines i:nth-child(3) { width: 60%; height: 90%; transform: translate(-50%, -50%) rotate(76deg); }
.loop-node { position: absolute; width: 126px; aspect-ratio: 1; border-radius: 50%; border: 1px solid rgba(96, 161, 229, .42); background: #06101c; display: grid; place-content: center; text-align: center; cursor: pointer; box-shadow: 0 0 0 8px rgba(59, 107, 168, .05), inset 0 0 24px rgba(50, 119, 184, .08); transition: transform .35s var(--ease), border-color .35s, box-shadow .35s; }
.loop-node:hover, .loop-node.is-active { transform: scale(1.08); border-color: var(--cyan); box-shadow: 0 0 0 10px rgba(84, 221, 255, .05), 0 0 32px rgba(84, 221, 255, .1); }
.loop-node b { font-size: 16px; margin-top: 4px; }
.loop-node small { color: var(--muted-2); font: 10px/1.4 ui-monospace, monospace; }
.node-icon { color: var(--cyan); font-size: 29px; line-height: 1; }
.node-explore { left: 3%; top: 15%; }
.node-build { right: 2%; top: 17%; }
.node-social { left: 50%; bottom: 0; transform: translateX(-50%); }
.node-social:hover, .node-social.is-active { transform: translateX(-50%) scale(1.08); border-color: var(--violet); }
.node-social .node-icon { color: var(--violet); }
.loop-detail { display: grid; grid-template-columns: 55px 1fr; gap: 20px; border-left: 1px solid var(--cyan); padding-left: 18px; margin-top: 20px; max-width: 520px; }
.loop-detail > span { color: var(--cyan); font: 500 13px/1.4 ui-monospace, monospace; }
.loop-detail h3 { margin: 0; font-size: 17px; }
.loop-detail p { margin: 8px 0 0; color: var(--muted); font-size: 13px; line-height: 1.6; }
.metric-list { margin-top: 46px; border-top: 1px solid var(--line); }
.metric-list article { min-height: 88px; display: flex; align-items: center; gap: 24px; border-bottom: 1px solid var(--line); }
.metric-num { min-width: 158px; color: var(--ink); font-size: clamp(25px, 2.2vw, 36px); font-weight: 500; letter-spacing: -.03em; }
.metric-label { color: var(--muted); font-size: 13px; line-height: 1.5; }
.retention-row { flex-direction: column; align-items: stretch !important; justify-content: center; gap: 10px !important; }
.retention-row > div { display: flex; justify-content: space-between; }
.retention-row b { font-size: 19px; font-weight: 520; }
.signals { margin-top: 115px; padding-block: 34px; border-block: 1px solid var(--line); display: grid; grid-template-columns: .66fr 1.6fr; gap: 60px; align-items: start; }
.signals h3 { margin: 0; font-size: 27px; }
.signals ol { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; list-style: none; margin: 0; padding: 0; }
.signals li { display: grid; grid-template-columns: 30px 1fr; gap: 12px; padding-inline: 22px; border-left: 1px solid var(--line); }
.signals li > span { color: var(--coral); font: 500 10px/1.5 ui-monospace, monospace; }
.signals li p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.65; }
.signals li b { display: block; color: var(--ink); font-size: 14px; margin-bottom: 8px; }

.moat { min-height: 820px; display: grid; align-items: center; background: linear-gradient(180deg, #040a14, #06101c 60%, #030812); }
.moat-layout { display: grid; grid-template-columns: .62fr 1.38fr; gap: 80px; align-items: center; }
.asset-stack { height: 580px; position: relative; perspective: 900px; }
.asset-stack::after { content: ""; position: absolute; left: 9%; right: 4%; bottom: 1%; height: 25%; background: radial-gradient(ellipse, rgba(67, 111, 255, .15), transparent 68%); filter: blur(20px); }
.asset-ring { position: absolute; left: 7%; right: 4%; height: 118px; border-radius: 50%; border: 1px solid currentColor; box-shadow: inset 0 0 40px currentColor, 0 0 18px currentColor; }
.asset-ring::before, .asset-ring::after { content: ""; position: absolute; inset: 18px; border-radius: 50%; border: 1px dashed currentColor; opacity: .35; }
.asset-ring::after { inset: 42px; }
.ring-one { top: 30px; color: rgba(84, 221, 255, .7); }
.ring-two { top: 190px; left: 2%; right: -1%; color: rgba(154, 109, 255, .65); }
.ring-three { top: 355px; left: -4%; right: -7%; color: rgba(94, 144, 255, .68); }
.ring-copy { position: absolute; right: 5%; top: 50%; min-width: 300px; transform: translateY(-50%); display: grid; grid-template-columns: 50px 1fr; gap: 17px; align-items: center; color: var(--ink); }
.ring-copy > span { color: currentColor; font: 500 23px/1 ui-monospace, monospace; }
.ring-copy h3 { margin: 0; font-size: 23px; }
.ring-copy p { margin: 8px 0 0; color: var(--muted); font-size: 13px; }
.stack-axis { position: absolute; left: 43%; top: 0; bottom: 20px; width: 1px; background: linear-gradient(var(--cyan), var(--violet), var(--blue)); box-shadow: 0 0 10px var(--cyan); }
.stack-axis::before, .stack-axis::after { content: ""; position: absolute; left: 50%; transform: translateX(-50%); width: 9px; aspect-ratio: 1; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 14px var(--cyan); }
.stack-axis::after { top: auto; bottom: 0; background: var(--blue); }

.roadmap { background: radial-gradient(circle at 70% 45%, rgba(96, 66, 177, .12), transparent 38%), var(--bg); }
.timeline { position: relative; display: grid; grid-template-columns: repeat(5, 1fr); margin-top: 100px; padding-bottom: 22px; }
.timeline-track { position: absolute; top: 86px; left: 8%; right: 8%; height: 2px; background: rgba(96, 140, 196, .22); overflow: hidden; }
.timeline-track span { display: block; width: var(--timeline-progress, 0%); height: 100%; background: linear-gradient(90deg, var(--cyan), var(--violet), var(--coral)); box-shadow: 0 0 12px rgba(84, 221, 255, .5); transition: width .6s var(--ease); }
.timeline-node { position: relative; z-index: 2; display: grid; place-items: center; gap: 15px; padding: 0; background: none; border: 0; cursor: pointer; text-align: center; }
.timeline-node .time { color: var(--muted); font: 12px/1 ui-monospace, monospace; }
.timeline-node i { width: 42px; height: 42px; border-radius: 50%; border: 1px solid rgba(105, 157, 217, .55); background: #06101d; box-shadow: 0 0 0 7px rgba(79, 130, 186, .06); transition: border-color .3s, box-shadow .3s, transform .3s var(--ease); }
.timeline-node i::before { content: ""; display: block; width: 12px; height: 12px; border-radius: 50%; margin: 14px; background: var(--muted-2); transition: background .3s, box-shadow .3s; }
.timeline-node b { margin-top: 10px; font-size: 17px; font-weight: 580; }
.timeline-node small { color: var(--muted-2); font-size: 11px; }
.timeline-node:hover i, .timeline-node.is-active i { transform: scale(1.12); border-color: var(--cyan); box-shadow: 0 0 0 9px rgba(84, 221, 255, .06), 0 0 28px rgba(84, 221, 255, .16); }
.timeline-node.is-active i::before { background: var(--cyan); box-shadow: 0 0 12px var(--cyan); }
.gate-detail { margin: 55px auto 0; max-width: 870px; min-height: 156px; padding: 28px 34px; display: grid; grid-template-columns: 135px 1fr; gap: 14px 40px; border: 1px solid var(--line); background: rgba(6, 15, 27, .7); }
.gate-detail > div { grid-row: 1 / span 2; border-right: 1px solid var(--line); display: flex; flex-direction: column; justify-content: center; }
.gate-detail span { color: var(--cyan); font: 11px/1.5 ui-monospace, monospace; letter-spacing: .12em; }
.gate-detail b { margin-top: 9px; font-size: 14px; }
.gate-detail h3 { margin: 0; align-self: end; font-size: 19px; line-height: 1.5; }
.gate-detail p { margin: 0; color: var(--muted); font-size: 13px; }
.budget-band { margin-top: 95px; display: grid; grid-template-columns: repeat(6, 1fr); border-block: 1px solid var(--line); }
.budget-band div { padding: 24px 16px; border-right: 1px solid var(--line); }
.budget-band div:last-child { border-right: 0; }
.budget-band span { color: var(--cyan); font: 500 18px/1 ui-monospace, monospace; }
.budget-band p { margin: 11px 0 0; color: var(--muted); font-size: 11px; line-height: 1.45; }

.governance { background: linear-gradient(180deg, #030812, #06101d 55%, #030812); }
.governance-head { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 100px; }
.governance-head > p { margin: 0; padding-bottom: 8px; color: var(--muted); line-height: 1.85; font-size: 15px; }
.control-plane { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 70px; border: 1px solid var(--line); }
.control-plane article { min-height: 290px; position: relative; padding: 30px 26px; border-right: 1px solid var(--line); background: rgba(6, 15, 27, .5); transition: background .3s, transform .3s var(--ease); }
.control-plane article:last-child { border-right: 0; }
.control-plane article:hover { background: rgba(10, 28, 48, .75); transform: translateY(-5px); }
.control-index { position: absolute; top: 18px; right: 18px; color: var(--muted-2); font: 9px/1 ui-monospace, monospace; }
.control-plane svg { width: 50px; fill: none; stroke: var(--cyan); stroke-width: 1.35; stroke-linecap: round; stroke-linejoin: round; }
.control-plane article:nth-child(2) svg { stroke: var(--blue); }
.control-plane article:nth-child(3) svg { stroke: var(--violet); }
.control-plane article:nth-child(4) svg { stroke: var(--coral); }
.control-plane h3 { margin: 58px 0 12px; font-size: 20px; }
.control-plane p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.75; }
.non-goals { display: grid; grid-template-columns: .48fr 1.52fr; align-items: center; min-height: 142px; border: 1px solid rgba(255, 124, 107, .24); border-top: 0; }
.non-goals > div { padding: 26px; }
.non-goals h3 { margin: 0; font-size: 23px; }
.non-goals ul { align-self: stretch; display: grid; grid-template-columns: repeat(4, 1fr); margin: 0; padding: 0; list-style: none; }
.non-goals li { display: grid; place-items: center; border-left: 1px solid rgba(255, 124, 107, .18); color: #d7a19b; font-size: 14px; }
.non-goals li::before { content: "×"; color: var(--coral); font-size: 25px; line-height: 1; }

.ask { min-height: 820px; display: grid; align-items: center; background: #020711; }
.ask::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(67, 123, 175, .03) 1px, transparent 1px), linear-gradient(90deg, rgba(67, 123, 175, .03) 1px, transparent 1px); background-size: 62px 62px; mask-image: linear-gradient(to bottom, transparent, #000 25%, #000 80%, transparent); }
.ask-glow { position: absolute; width: 1200px; height: 600px; left: 50%; bottom: -330px; transform: translateX(-50%); border-radius: 50%; border: 1px solid rgba(84, 221, 255, .5); box-shadow: 0 0 70px rgba(84, 221, 255, .18), inset 0 0 90px rgba(88, 91, 255, .12); }
.ask-inner { display: grid; grid-template-columns: .9fr 1.1fr; gap: 55px 95px; align-items: end; }
.ask-facts { display: grid; grid-template-columns: 1fr 1fr; border-block: 1px solid var(--line); }
.ask-facts > div { padding: 25px 25px 25px 0; }
.ask-facts > div + div { border-left: 1px solid var(--line); padding-left: 35px; }
.ask-facts span { color: var(--muted-2); font-size: 11px; letter-spacing: .12em; }
.ask-facts strong { display: block; margin-top: 7px; font-size: clamp(32px, 3vw, 52px); font-weight: 500; letter-spacing: -.04em; }
.ask-facts p { margin: 6px 0 0; color: var(--muted); font-size: 12px; }
.support-list { grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between; padding: 26px 0; border-block: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.support-list span { color: var(--cyan); font: 10px/1 ui-monospace, monospace; letter-spacing: .14em; }
.support-list p { margin: 0; }
.primary-action.wide { grid-column: 1 / -1; justify-self: center; width: min(480px, 100%); margin-top: 0; }

.site-footer { position: relative; padding: 34px 0; border-top: 1px solid var(--line); background: #01040a; }
.site-footer .shell { display: grid; grid-template-columns: auto 1fr auto; gap: 40px; align-items: center; }
.site-footer p { margin: 0; color: var(--muted-2); font-size: 11px; text-align: center; }
.site-footer .shell > span { color: var(--muted-2); font: 9px/1 ui-monospace, monospace; letter-spacing: .15em; }

.dataroom { width: min(920px, calc(100vw - 40px)); max-height: calc(100svh - 40px); padding: 0; color: var(--ink); border: 1px solid var(--line-strong); background: rgba(3, 10, 19, .97); box-shadow: 0 50px 150px rgba(0,0,0,.75); }
.dataroom::backdrop { background: rgba(0, 3, 8, .82); backdrop-filter: blur(8px); }
.dataroom-shell { position: relative; padding: 56px; overflow: auto; }
.dialog-close { position: absolute; top: 22px; right: 22px; width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid var(--line); background: transparent; cursor: pointer; }
.dialog-close svg { width: 20px; fill: none; stroke: currentColor; stroke-width: 1.4; }
.dataroom h2 { margin: 0; font-size: clamp(38px, 5vw, 58px); }
.dialog-lead { margin: 18px 0 36px; color: var(--muted); }
.dataroom-list { border-top: 1px solid var(--line); }
.dataroom-list article { display: grid; grid-template-columns: 52px 1fr; gap: 18px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.dataroom-list article > span { color: var(--cyan); font: 11px/1.4 ui-monospace, monospace; }
.dataroom-list h3 { margin: 0; font-size: 17px; }
.dataroom-list p { margin: 8px 0 0; color: var(--muted); font-size: 13px; line-height: 1.7; }
.dataroom-note { margin-top: 30px; padding: 20px; border-left: 2px solid var(--coral); background: rgba(255, 124, 107, .05); }
.dataroom-note b { color: var(--coral); }
.dataroom-note p { margin: 8px 0 0; color: var(--muted); font-size: 13px; line-height: 1.7; }

.reveal { opacity: 0; transform: translateY(28px); transition: opacity .85s var(--ease), transform .85s var(--ease); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1080px) {
  :root { --shell: min(920px, calc(100vw - 48px)); }
  .hero-copy { width: min(570px, 66vw); }
  .hero-media img { object-position: 62% center; }
  .runtime-flow { grid-template-columns: 1fr; gap: 18px; }
  .flow-connector { height: 36px; }
  .flow-connector span { height: 36px; width: 1px; background: linear-gradient(var(--cyan), var(--violet)); }
  .flow-connector i { bottom: 3px; right: auto; border-left: 5px solid transparent; border-right: 5px solid transparent; border-top: 8px solid var(--violet); border-bottom: 0; }
  .validation-grid { grid-template-columns: 1fr; }
  .loop-orbit { margin-inline: auto; }
  .loop-detail { margin-inline: auto; }
  .signals { grid-template-columns: 1fr; }
  .moat-layout { grid-template-columns: 1fr; }
  .asset-stack { margin-top: 25px; }
  .budget-band { grid-template-columns: repeat(3, 1fr); }
  .budget-band div:nth-child(3) { border-right: 0; }
  .budget-band div:nth-child(-n+3) { border-bottom: 1px solid var(--line); }
  .control-plane { grid-template-columns: 1fr 1fr; }
  .control-plane article:nth-child(2) { border-right: 0; }
  .control-plane article:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .non-goals { grid-template-columns: 1fr; }
  .non-goals ul { border-top: 1px solid rgba(255, 124, 107, .18); }
  .non-goals li:first-child { border-left: 0; }
  .ask-inner { gap: 55px; }
}

@media (max-width: 760px) {
  :root { --shell: calc(100vw - 34px); --header-h: 62px; }
  .site-header { padding-inline: 17px; }
  .brand { font-size: 20px; }
  .menu-toggle { display: grid; width: 44px; height: 44px; place-content: center; gap: 7px; background: transparent; border: 0; padding: 0; }
  .menu-toggle span { width: 23px; height: 1px; background: var(--ink); transition: transform .3s var(--ease); }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }
  .site-nav { position: absolute; inset: var(--header-h) 0 auto; height: auto; display: grid; gap: 0; padding: 10px 17px 18px; background: rgba(2, 7, 15, .97); border-bottom: 1px solid var(--line); transform: translateY(-140%); opacity: 0; transition: transform .35s var(--ease), opacity .25s; }
  .site-nav.is-open { transform: translateY(0); opacity: 1; }
  .site-nav a { height: 48px; justify-content: start; border-bottom: 1px solid var(--line); }
  .site-nav a::after { display: none; }
  .hero { min-height: 820px; }
  .hero-inner { min-height: 820px; align-items: end; padding-bottom: 110px; }
  .hero-media::before { background: linear-gradient(180deg, rgba(2, 7, 15, .12) 0%, rgba(2, 7, 15, .72) 45%, rgba(2, 7, 15, .98) 76%); }
  .hero-media img { object-position: 70% top; height: 58%; }
  .hero-copy { width: 100%; }
  .hero h1 { font-size: clamp(46px, 14vw, 64px); }
  .hero-equation { font-size: 16px; letter-spacing: .04em; }
  .hero-definition { font-size: 13px; }
  .hero-facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; }
  .hero-facts div { margin: 0; min-width: 0; padding: 14px 16px 14px 0; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .hero-facts div:nth-child(2n) { padding-left: 16px; border-right: 0; }
  .hero-facts div:nth-last-child(-n+2) { border-bottom: 0; }
  .hero-facts dd { font-size: 19px; }
  .primary-action { width: 100%; }
  .scroll-cue { display: none; }
  .section { padding: 90px 0; }
  .section-heading h2, .governance-head h2 { font-size: clamp(39px, 11vw, 54px); }
  .runtime-flow { margin-top: 50px; }
  .flow-stage { padding: 18px; }
  .engine-console { padding-inline: 68px; }
  .experience-strip { grid-template-columns: 1fr; gap: 10px; }
  .experience-strip .live-dot { display: none; }
  .validation-grid { gap: 85px; }
  .loop-orbit { aspect-ratio: 1 / 1.18; margin-top: 32px; }
  .loop-node { width: 96px; }
  .node-explore { left: 0; }
  .node-build { right: 0; }
  .node-social { bottom: 6%; }
  .orbit-center { width: 94px; }
  .metric-list article { align-items: flex-start; flex-direction: column; justify-content: center; gap: 8px; padding: 18px 0; }
  .retention-row > div { width: 100%; }
  .retention-row b { font-size: 14px; }
  .signals { margin-top: 80px; gap: 30px; }
  .signals ol { grid-template-columns: 1fr; }
  .signals li { padding: 18px 0; border-left: 0; border-top: 1px solid var(--line); }
  .moat { min-height: auto; }
  .asset-stack { height: 520px; transform: scale(.88); transform-origin: center top; margin-bottom: -50px; }
  .asset-ring { left: -10%; right: -10%; }
  .ring-two { left: -17%; right: -17%; }
  .ring-three { left: -23%; right: -23%; }
  .ring-copy { right: 10%; min-width: 250px; }
  .ring-copy h3 { font-size: 19px; }
  .timeline { grid-template-columns: 1fr; margin-top: 58px; padding-left: 28px; gap: 30px; }
  .timeline-track { left: 47px; top: 35px; bottom: 35px; width: 2px; height: auto; right: auto; }
  .timeline-track span { width: 100%; height: var(--timeline-progress, 0%); background: linear-gradient(var(--cyan), var(--violet), var(--coral)); transition: height .6s var(--ease); }
  .timeline-node { grid-template-columns: 88px 42px 1fr; grid-template-rows: auto auto; justify-items: start; text-align: left; gap: 4px 15px; }
  .timeline-node .time { grid-column: 1; grid-row: 1 / span 2; align-self: center; }
  .timeline-node i { grid-column: 2; grid-row: 1 / span 2; }
  .timeline-node b { grid-column: 3; grid-row: 1; margin: 0; align-self: end; }
  .timeline-node small { grid-column: 3; grid-row: 2; }
  .gate-detail { margin-top: 40px; grid-template-columns: 1fr; }
  .gate-detail > div { grid-row: auto; border-right: 0; border-bottom: 1px solid var(--line); padding-bottom: 15px; }
  .budget-band { grid-template-columns: 1fr 1fr; }
  .budget-band div:nth-child(3) { border-right: 1px solid var(--line); }
  .budget-band div:nth-child(2n) { border-right: 0; }
  .budget-band div:nth-child(-n+4) { border-bottom: 1px solid var(--line); }
  .governance-head { grid-template-columns: 1fr; gap: 24px; }
  .control-plane { grid-template-columns: 1fr; }
  .control-plane article, .control-plane article:nth-child(2) { min-height: 230px; border-right: 0; border-bottom: 1px solid var(--line); }
  .control-plane article:last-child { border-bottom: 0; }
  .control-plane h3 { margin-top: 28px; }
  .non-goals ul { grid-template-columns: 1fr 1fr; }
  .non-goals li { min-height: 90px; border-bottom: 1px solid rgba(255, 124, 107, .18); }
  .non-goals li:nth-child(odd) { border-left: 0; }
  .ask { min-height: 920px; }
  .ask-inner { grid-template-columns: 1fr; gap: 45px; }
  .ask-facts { grid-template-columns: 1fr; }
  .ask-facts > div + div { border-left: 0; border-top: 1px solid var(--line); padding-left: 0; }
  .support-list { align-items: flex-start; flex-direction: column; gap: 18px; }
  .primary-action.wide, .support-list { grid-column: 1; }
  .site-footer .shell { grid-template-columns: 1fr; text-align: center; justify-items: center; }
  .site-footer .shell > span { display: none; }
  .dataroom-shell { padding: 48px 22px 30px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
  .cursor-glow { display: none; }
}