:root {
  color-scheme: dark;
  --bg: #07080a;
  --panel: #101216;
  --panel-soft: #15171b;
  --paper: #f0ede7;
  --ink: #08090b;
  --text: #f3f0ea;
  --muted: #aaa9a5;
  --red: #f21c32;
  --red-soft: rgba(242, 28, 50, .14);
  --line: rgba(255, 255, 255, .13);
  --max: 1240px;
  --header: 72px;
  --ease: cubic-bezier(.16, 1, .3, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header) + 18px); background: var(--bg); }
body { margin: 0; min-width: 320px; overflow-x: hidden; background: var(--bg); color: var(--text); font-family: system-ui, -apple-system, "Segoe UI", sans-serif; line-height: 1.55; text-rendering: optimizeLegibility; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid #ffbd48; outline-offset: 5px; }
::selection { background: var(--red); color: white; }

.skip-link { position: fixed; z-index: 999; top: 10px; left: 10px; padding: 10px 14px; border-radius: 999px; background: var(--paper); color: var(--ink); font-weight: 800; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

.reading-progress { position: fixed; z-index: 400; top: 0; right: 0; left: 0; height: 2px; background: rgba(255,255,255,.05); }
.reading-progress span { display: block; width: calc(var(--read, 0) * 100%); height: 100%; background: linear-gradient(90deg, var(--red), #ff8a47); box-shadow: 0 0 16px rgba(242,28,50,.6); }

.site-header { position: fixed; z-index: 200; top: 0; right: 0; left: 0; height: var(--header); display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 28px; padding: 0 max(24px, calc((100vw - 1440px) / 2)); border-bottom: 1px solid var(--line); background: rgba(7,8,10,.78); backdrop-filter: blur(18px) saturate(140%); }
.brand { min-height: 44px; display: inline-flex; align-items: center; width: 140px; line-height: 0; }
.brand img { width: 100%; height: auto; }
.site-header nav { display: flex; justify-content: center; gap: 28px; }
.site-header nav a, .header-link { position: relative; min-height: 44px; display: inline-flex; align-items: center; color: #b1b0ad; font-size: 12px; font-weight: 760; letter-spacing: .04em; }
.site-header nav a::after { position: absolute; right: 0; bottom: -10px; left: 0; height: 2px; background: var(--red); content: ""; transform: scaleX(0); transition: transform 220ms ease; }
.site-header nav a:is(:hover,.active)::after { transform: scaleX(1); }
.site-header nav a:is(:hover,.active), .header-link:hover { color: white; }

.hero { position: relative; min-height: 100svh; display: grid; isolation: isolate; overflow: hidden; align-items: center; padding: calc(var(--header) + 70px) max(28px, calc((100vw - var(--max)) / 2)) 116px; background: radial-gradient(circle at 78% 40%, rgba(242,28,50,.13), transparent 34rem); }
#signal-field, .hero-grid { position: absolute; z-index: -1; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.hero-grid { opacity: .48; background-image: linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(90deg, #000, transparent 78%); }
.hero-content { position: relative; z-index: 2; }
.hero-kicker, .eyebrow { margin: 0 0 28px; color: var(--red); font-size: 11px; font-weight: 840; letter-spacing: .15em; text-transform: uppercase; }
.hero-kicker { display: flex; align-items: center; gap: 10px; color: #cfcbc4; }
.hero-kicker span { width: 7px; height: 7px; border-radius: 50%; background: var(--red); box-shadow: 0 0 18px var(--red); animation: pulse 1.7s ease-in-out 3; }
.hero h1 { max-width: 1100px; margin: 0; font-size: clamp(4.2rem, 8vw, 8.5rem); font-weight: 900; letter-spacing: -.074em; line-height: .84; text-wrap: balance; }
.hero h1 > span { color: var(--red); font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; font-size: .78em; letter-spacing: -.095em; }
.hero-bottom { max-width: 1020px; display: grid; grid-template-columns: minmax(280px, 570px) auto; align-items: end; justify-content: space-between; margin-top: 68px; gap: 44px; }
.hero-bottom p { margin: 0; color: #c5c2bc; font-size: clamp(1rem, 1.5vw, 1.22rem); text-wrap: pretty; }
.hero-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px; }
.button { min-height: 50px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 0 19px; border: 1px solid rgba(255,255,255,.25); border-radius: 999px; font-size: 12px; font-weight: 820; transition: transform 220ms var(--ease), border-color 220ms ease, background 220ms ease; }
.button:hover { transform: translateY(-2px); border-color: rgba(255,255,255,.55); }
.button-primary { border-color: #c91732; background: #c91732; color: white; }
.button-primary:hover { border-color: #a90f28; background: #a90f28; }
.hero-status { position: absolute; right: 28px; bottom: 26px; display: flex; gap: 26px; color: #93928f; font: 700 10px/1.2 ui-monospace, Consolas, monospace; letter-spacing: .08em; text-transform: uppercase; }
.hero-status b { margin-right: 6px; color: var(--red); }

.manifesto { max-width: var(--max); margin-inline: auto; padding: clamp(100px, 14vw, 190px) 28px; }
.manifesto h2, .section-heading h2, .local-heading h2, .contract h2, .open h2, .closing h2 { max-width: 1000px; margin: 0; font-size: clamp(2.8rem, 6vw, 6.5rem); font-weight: 880; letter-spacing: -.065em; line-height: .93; text-wrap: balance; }
.manifesto-copy { max-width: 760px; margin: 54px 0 0 auto; color: #bbb8b2; font-size: clamp(1.15rem, 2.2vw, 1.65rem); line-height: 1.48; text-wrap: pretty; }

.system-section { --scene: 0; position: relative; min-height: 100svh; display: grid; align-items: center; isolation: isolate; overflow: hidden; padding: clamp(100px, 12vw, 170px) max(28px, calc((100vw - var(--max)) / 2)); border-top: 1px solid var(--line); }
.system-section::before { position: absolute; z-index: -1; width: min(60vw, 760px); aspect-ratio: 1; border: 1px solid rgba(242,28,50,.11); border-radius: 50%; background: radial-gradient(circle, rgba(242,28,50,.07), transparent 67%); content: ""; opacity: calc(.3 + var(--scene) * .7); transform: scale(calc(.92 + var(--scene) * .08)); }
.system-live::before { top: 8%; right: -12%; }
.system-jingle::before { bottom: -16%; left: -18%; }
.system-grid { display: grid; grid-template-columns: minmax(330px, .78fr) minmax(500px, 1.22fr); align-items: center; gap: clamp(60px, 8vw, 120px); }
.system-grid.reverse { grid-template-columns: minmax(500px, 1.22fr) minmax(330px, .78fr); }
.system-grid.reverse .system-copy { order: 2; }
.system-copy h2 { margin: 0 0 30px; font-size: clamp(2.8rem, 5.2vw, 5.4rem); font-weight: 880; letter-spacing: -.062em; line-height: .92; text-wrap: balance; }
.system-copy > p:not(.eyebrow) { max-width: 58ch; color: #b8b5af; font-size: 1.05rem; text-wrap: pretty; }
.fact-list { margin: 30px 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.fact-list li { position: relative; padding: 13px 0 13px 24px; border-bottom: 1px solid var(--line); color: #d2cfc9; font-size: 13px; }
.fact-list li::before { position: absolute; top: 20px; left: 3px; width: 6px; height: 6px; border: 1px solid var(--red); content: ""; }
.text-link { min-height: 44px; display: inline-flex; align-items: center; gap: 12px; border-bottom: 2px solid var(--red); font-size: 13px; font-weight: 820; }
.screen { --tilt-x: 0deg; --tilt-y: 0deg; position: relative; margin: 0; overflow: hidden; border: 1px solid rgba(255,255,255,.2); border-radius: 16px; background: #0a0b0e; box-shadow: 0 40px 110px rgba(0,0,0,.48), 0 0 60px rgba(242,28,50,.06); transform: perspective(1500px) rotateX(var(--tilt-x)) rotateY(var(--tilt-y)) translate3d(0, calc((.5 - var(--scene)) * 28px), 0); transition: transform 160ms ease-out; }
.screen::after { position: absolute; inset: 38px 0 0; background: linear-gradient(115deg, transparent 34%, rgba(255,255,255,.09), transparent 62%); content: ""; transform: translateX(-120%); transition: transform 1.2s var(--ease); pointer-events: none; }
.system-section.is-active .screen::after { transform: translateX(120%); }
.screen-bar { height: 38px; display: flex; align-items: center; justify-content: space-between; padding: 0 14px; border-bottom: 1px solid rgba(255,255,255,.11); color: #9d9da1; font: 720 9px/1 ui-monospace, Consolas, monospace; letter-spacing: .14em; }
.screen img { width: 100%; height: auto; }
.live-dot { display: flex; align-items: center; gap: 7px; color: #f7d8dc; }
.live-dot::before { width: 6px; height: 6px; border-radius: 50%; background: var(--red); box-shadow: 0 0 10px var(--red); content: ""; animation: pulse 1.7s ease-in-out 3; }

.pipeline { --scene: 0; position: relative; overflow: hidden; padding: clamp(110px, 14vw, 190px) max(28px, calc((100vw - var(--max)) / 2)); border-top: 1px solid var(--line); }
.section-heading { max-width: 850px; }
.section-heading > p:not(.eyebrow) { max-width: 64ch; margin-top: 32px; color: #b4b1ab; font-size: 1.1rem; }
.pipeline-grid { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(3, 1fr); margin: 80px 0 0; padding: 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); list-style: none; }
.pipeline-grid li { min-height: 245px; padding: 30px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.012); transition: background 240ms ease, transform 240ms var(--ease); }
.pipeline-grid li:hover { background: rgba(242,28,50,.055); transform: translateY(-3px); }
.pipeline-grid span, .principle-grid article > span { color: var(--red); font: 750 10px/1 ui-monospace, Consolas, monospace; letter-spacing: .14em; }
.pipeline-grid h3 { margin: 62px 0 10px; font-size: 1.45rem; }
.pipeline-grid p { max-width: 27ch; margin: 0; color: #aaa7a1; font-size: 14px; }
.pipeline-signal { position: absolute; right: 0; bottom: 9%; left: 0; height: 1px; background: rgba(242,28,50,.12); }
.pipeline-signal span { display: block; width: calc(var(--scene) * 100%); height: 100%; background: var(--red); box-shadow: 0 0 18px var(--red); }

.local-models { padding: clamp(110px, 14vw, 190px) max(28px, calc((100vw - var(--max)) / 2)); background: var(--paper); color: var(--ink); }
.local-models .eyebrow { color: #c71327; }
.local-heading { display: grid; grid-template-columns: .45fr 1.55fr; align-items: start; gap: 60px; }
.principle-grid { display: grid; grid-template-columns: repeat(2, 1fr); margin-top: 88px; border-top: 1px solid rgba(8,9,11,.22); border-left: 1px solid rgba(8,9,11,.22); }
.principle-grid article { min-height: 300px; padding: 34px; border-right: 1px solid rgba(8,9,11,.22); border-bottom: 1px solid rgba(8,9,11,.22); }
.principle-grid article > span { color: #a90f25; }
.principle-grid h3 { margin: 90px 0 14px; font-size: clamp(1.5rem, 3vw, 2.2rem); letter-spacing: -.04em; }
.principle-grid p { max-width: 47ch; color: #4d4c49; }

.contract { display: grid; grid-template-columns: .8fr 1.2fr; align-items: center; gap: clamp(60px, 9vw, 130px); padding: clamp(110px, 13vw, 180px) max(28px, calc((100vw - var(--max)) / 2)); border-top: 1px solid var(--line); }
.contract-copy > p:not(.eyebrow) { max-width: 50ch; margin-top: 30px; color: #aaa7a1; }
.terminal { overflow: hidden; border: 1px solid rgba(255,255,255,.19); border-radius: 14px; background: #0d0f12; box-shadow: 0 36px 100px rgba(0,0,0,.44); }
.terminal-head { min-height: 42px; display: flex; align-items: center; gap: 7px; padding: 0 14px; border-bottom: 1px solid var(--line); color: #8f9095; }
.terminal-head span { width: 8px; height: 8px; border-radius: 50%; background: #34373d; }
.terminal-head span:first-child { background: var(--red); }
.terminal-head b { margin-left: auto; font: 700 9px/1 ui-monospace, Consolas, monospace; letter-spacing: .08em; }
.terminal code { display: block; padding: 14px 18px; border-bottom: 1px solid rgba(255,255,255,.07); color: #cfd1d5; font: 12px/1.4 ui-monospace, Consolas, monospace; white-space: nowrap; }
.terminal code i { display: inline-block; width: 46px; color: #ff4c5e; font-style: normal; font-weight: 850; }
.terminal > p { display: flex; align-items: center; gap: 9px; margin: 0; padding: 16px 18px; color: #9be1c2; font: 750 10px/1 ui-monospace, Consolas, monospace; letter-spacing: .08em; text-transform: uppercase; }
.terminal > p span { width: 7px; height: 7px; border-radius: 50%; background: #5fe0a7; box-shadow: 0 0 12px rgba(95,224,167,.7); }

.open { padding: clamp(110px, 14vw, 190px) max(28px, calc((100vw - var(--max)) / 2)); border-top: 1px solid var(--line); background: radial-gradient(circle at 80% 45%, rgba(242,28,50,.1), transparent 30rem); }
.open > div:first-child { display: grid; grid-template-columns: .45fr 1.55fr; gap: 60px; }
.docs-grid { display: grid; grid-template-columns: repeat(2, 1fr); margin-top: 80px; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.docs-grid a { position: relative; min-height: 170px; display: grid; align-content: space-between; padding: 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background 220ms ease, transform 220ms var(--ease); }
.docs-grid a:hover { background: rgba(242,28,50,.07); transform: translateY(-3px); }
.docs-grid span { color: #969591; font: 700 10px/1 ui-monospace, Consolas, monospace; letter-spacing: .12em; text-transform: uppercase; }
.docs-grid b { font-size: 1.2rem; }
.docs-grid i { position: absolute; top: 26px; right: 28px; color: var(--red); font-style: normal; }

.closing { min-height: 78svh; display: flex; flex-direction: column; justify-content: center; padding: 110px max(28px, calc((100vw - var(--max)) / 2)); border-top: 1px solid var(--line); background: linear-gradient(135deg, rgba(242,28,50,.13), transparent 45%); }
.closing > div { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 50px; }

footer { min-height: 150px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 30px; padding: 34px max(28px, calc((100vw - var(--max)) / 2)); border-top: 1px solid var(--line); color: #969591; font-size: 11px; }
footer p { margin: 0; text-align: center; }
footer > a:last-child { min-height: 44px; display: inline-flex; align-items: center; font-weight: 750; }

.js [data-reveal] { opacity: .55; transform: translate3d(0, 18px, 0); transition: opacity 740ms ease, transform 860ms var(--ease); }
.js [data-reveal].visible { opacity: 1; transform: none; }

@keyframes pulse { 50% { opacity: .38; box-shadow: 0 0 5px var(--red); } }

@media (max-width: 1000px) {
  .site-header { grid-template-columns: auto 1fr; }
  .site-header nav { justify-content: flex-end; }
  .header-link { display: none; }
  .system-grid, .system-grid.reverse, .contract { grid-template-columns: 1fr; }
  .system-grid.reverse .system-copy { order: initial; }
  .screen { max-width: 900px; }
  .local-heading, .open > div:first-child { grid-template-columns: 1fr; gap: 10px; }
}

@media (max-width: 720px) {
  :root { --header: 122px; }
  .site-header { height: var(--header); grid-template-columns: 1fr auto; align-content: center; gap: 16px; padding-inline: 20px; }
  .brand { width: 132px; }
  .site-header nav { grid-column: 1 / -1; justify-content: flex-start; overflow-x: auto; gap: 24px; padding-bottom: 4px; scrollbar-width: none; }
  .site-header nav::-webkit-scrollbar { display: none; }
  .site-header nav a { white-space: nowrap; }
  .hero { padding: calc(var(--header) + 62px) 24px 110px; }
  .hero h1 { font-size: clamp(3.55rem, 17vw, 5.6rem); line-height: .88; }
  .hero-bottom { grid-template-columns: 1fr; margin-top: 52px; gap: 30px; }
  .hero-actions { justify-content: stretch; }
  .hero-actions .button { width: 100%; }
  .hero-status { right: 24px; bottom: 24px; left: 24px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .hero-status span { font-size: 8px; }
  .hero-status b { display: block; margin: 0 0 5px; }
  .manifesto { padding-inline: 24px; }
  .manifesto-copy { margin-top: 38px; }
  .system-section, .pipeline, .local-models, .contract, .open, .closing { padding-right: 24px; padding-left: 24px; }
  .system-grid, .system-grid.reverse { gap: 54px; }
  .screen { border-radius: 10px; transform: none; }
  .pipeline-grid { grid-template-columns: 1fr; margin-top: 54px; }
  .pipeline-grid li { min-height: 205px; }
  .pipeline-grid h3 { margin-top: 46px; }
  .principle-grid, .docs-grid { grid-template-columns: 1fr; margin-top: 56px; }
  .principle-grid article { min-height: 250px; padding: 28px; }
  .principle-grid h3 { margin-top: 62px; }
  .terminal { margin-inline: -8px; }
  .terminal code { overflow-x: auto; font-size: 10px; }
  footer { grid-template-columns: 1fr; justify-items: start; }
  footer p { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-kicker span, .live-dot::before { animation: none; }
  #signal-field { display: none; }
  .screen, [data-reveal], .js [data-reveal] { opacity: 1 !important; transform: none !important; transition: none !important; }
}