:root {
  --ink: #070b12;
  --ink-2: #0b111b;
  --panel: rgba(17, 25, 38, 0.72);
  --line: rgba(205, 226, 239, 0.14);
  --muted: #8f9eaa;
  --paper: #edf7f4;
  --mint: #79f2c0;
  --cyan: #67d9f4;
  --amber: #ffc66f;
  --max: 1240px;
  --ease: cubic-bezier(.22, 1, .36, 1);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; background: var(--ink); }
body { margin: 0; background: var(--ink); color: var(--paper); font-family: "Manrope", sans-serif; font-size: 1rem; line-height: 1.6; overflow-x: hidden; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
::selection { background: var(--mint); color: var(--ink); }

.skip-link { position: fixed; z-index: 1000; left: 1rem; top: 1rem; transform: translateY(-180%); padding: .75rem 1rem; background: var(--paper); color: var(--ink); border-radius: .25rem; }
.skip-link:focus { transform: translateY(0); }
.grain { position: fixed; z-index: 50; inset: 0; pointer-events: none; opacity: .035; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.92' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.75'/%3E%3C/svg%3E"); }

.site-header { position: absolute; z-index: 20; top: 0; left: 50%; transform: translateX(-50%); width: min(calc(100% - 3rem), var(--max)); height: 92px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: .8rem; text-decoration: none; font-weight: 700; letter-spacing: -.03em; }
.brand-mark { position: relative; width: 28px; height: 28px; }
.brand-mark i { position: absolute; inset: 3px; border: 1.5px solid var(--mint); transform: rotate(30deg) skewX(-14deg); }
.brand-mark i:last-child { inset: 8px 3px -2px 8px; border-color: var(--cyan); }
nav { display: flex; align-items: center; gap: 2rem; }
nav a { color: var(--muted); text-decoration: none; font-size: .86rem; font-weight: 600; transition: color .2s; }
nav a:hover, nav a:focus-visible { color: var(--paper); }
.nav-cta { padding: .6rem .9rem; border: 1px solid var(--line); border-radius: 99px; }

.hero { min-height: 100svh; position: relative; display: grid; grid-template-columns: minmax(0, .92fr) minmax(460px, .9fr); align-items: center; gap: 5vw; padding: 130px max(1.5rem, calc((100vw - var(--max)) / 2)) 80px; overflow: clip; isolation: isolate; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -4; background: radial-gradient(circle at 74% 45%, rgba(56, 111, 122, .19), transparent 30%), radial-gradient(circle at 22% 85%, rgba(76, 159, 125, .10), transparent 35%), linear-gradient(145deg, #080d16, #05080d 72%); }
.hero::after { content: ""; position: absolute; z-index: -3; inset: 0; opacity: .45; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 88px 88px; mask-image: linear-gradient(to bottom, #000, transparent 82%); }
.hero-orbit { position: absolute; z-index: -2; width: 48vw; aspect-ratio: 1; border: 1px solid rgba(103, 217, 244, .16); border-radius: 50%; right: -3vw; top: 14vh; will-change: transform; }
.orbit-two { width: 62vw; right: -12vw; top: 3vh; border-color: rgba(121, 242, 192, .11); }
.hero-glow, .access-glow { position: absolute; z-index: -1; width: 340px; height: 340px; border-radius: 50%; background: rgba(121, 242, 192, .14); filter: blur(70px); right: 17%; top: 38%; will-change: transform; }
.hero-copy { max-width: 660px; position: relative; z-index: 2; }
.eyebrow, .section-index { font-family: "DM Mono", monospace; font-size: .76rem; letter-spacing: .12em; color: var(--muted); text-transform: uppercase; }
.eyebrow { display: flex; align-items: center; gap: .65rem; }
.eyebrow span { width: 8px; height: 8px; background: var(--mint); border-radius: 50%; box-shadow: 0 0 18px var(--mint); }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 1.5rem; font-size: clamp(3.65rem, 6.5vw, 7rem); line-height: .94; letter-spacing: -.075em; font-weight: 500; }
h1 em { color: var(--mint); font-style: normal; }
.hero-lede { max-width: 620px; margin-bottom: 2rem; color: #adbbc5; font-size: clamp(1.08rem, 1.6vw, 1.35rem); line-height: 1.55; }
.hero-actions { display: flex; align-items: center; gap: 1.6rem; flex-wrap: wrap; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 2rem; min-height: 54px; padding: .9rem 1.15rem; border: 0; border-radius: 3px; text-decoration: none; font-weight: 700; cursor: pointer; }
.button span { transition: transform .25s var(--ease); }
.button:hover span { transform: translate(3px, 3px); }
.button.primary { background: var(--mint); color: var(--ink); box-shadow: 0 14px 40px rgba(58, 199, 143, .12); }
.text-link { font-size: .9rem; font-weight: 700; text-decoration: none; border-bottom: 1px solid rgba(237,247,244,.32); }
.microcopy { margin: 1rem 0 0; color: #6f7e8a; font-family: "DM Mono", monospace; font-size: .72rem; }

.hero-stage { position: relative; height: min(680px, 72vh); min-height: 540px; perspective: 1200px; z-index: 1; }
.data-plane { position: absolute; width: min(420px, 87%); min-height: 210px; padding: 1.2rem; border: 1px solid rgba(173, 219, 224, .24); background: rgba(9, 16, 25, .78); box-shadow: 0 30px 90px rgba(0,0,0,.42); backdrop-filter: blur(12px); will-change: transform; }
.plane-a { top: 8%; left: 2%; transform: rotateY(-10deg) rotateX(4deg); }
.plane-b { top: 34%; left: 18%; transform: rotateY(-8deg) rotateX(2deg); }
.plane-c { top: 60%; left: 5%; transform: rotateY(-5deg); border-color: rgba(121, 242, 192, .35); }
.plane-head, .plane-foot, .data-row, .story-meta, .code-line { display: flex; justify-content: space-between; align-items: center; }
.plane-head { font-family: "DM Mono", monospace; color: var(--muted); font-size: .7rem; letter-spacing: .12em; }
.plane-head b { color: var(--amber); font-weight: 500; }
.plane-head b.mint { color: var(--mint); }
.state-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 12px var(--mint); }
.data-row { margin-top: 1.5rem; padding-bottom: .55rem; border-bottom: 1px solid var(--line); font-family: "DM Mono", monospace; font-size: .78rem; color: var(--muted); }
.data-row strong { color: var(--paper); font-weight: 400; }
.data-row strong.amber { color: var(--amber); }
.plane-foot { position: absolute; left: 1.2rem; right: 1.2rem; bottom: 1rem; font-family: "DM Mono", monospace; color: #5f6d78; font-size: .65rem; }
.pulse-line { height: 80px; display: flex; align-items: center; justify-content: space-between; }
.pulse-line i { width: 3px; background: var(--cyan); opacity: .75; animation: pulse 1.25s ease-in-out infinite alternate; }
.pulse-line i:nth-child(1) { height: 18%; }.pulse-line i:nth-child(2) { height: 48%; animation-delay: -.2s }.pulse-line i:nth-child(3) { height: 85%; animation-delay: -.5s }.pulse-line i:nth-child(4) { height: 38%; animation-delay: -.35s }.pulse-line i:nth-child(5) { height: 12%; animation-delay: -.1s }
@keyframes pulse { to { transform: scaleY(.45); opacity: .25; } }
.merge-stack { display: grid; gap: .55rem; margin-top: 1.3rem; font-family: "DM Mono", monospace; font-size: .72rem; }
.merge-stack div { display: flex; align-items: center; justify-content: space-between; padding: .6rem .7rem; border-left: 2px solid var(--mint); background: rgba(121, 242, 192, .07); }
.merge-stack span { color: #74838e; }
.merge-stack strong { color: var(--mint); font-weight: 400; }
.core-plane { border-color: rgba(103, 217, 244, .38); background: rgba(9, 19, 29, .9); }
.capability-flow { display: grid; grid-template-columns: repeat(3, 1fr); gap: .5rem; margin-top: 2rem; font-family: "DM Mono", monospace; font-size: .64rem; }
.capability-flow span { display: grid; place-items: center; min-height: 46px; border: 1px solid rgba(103, 217, 244, .3); background: rgba(103, 217, 244, .06); color: var(--cyan); }
.capability-flow i { display: none; }
.stage-caption { position: absolute; font-family: "DM Mono", monospace; color: #60717c; font-size: .65rem; letter-spacing: .15em; transform: rotate(90deg); }
.stage-caption span { color: var(--mint); }.stage-caption.top { right: -2.5rem; top: 18%; }.stage-caption.bottom { left: -3rem; bottom: 12%; }
.scroll-cue { position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: .75rem; font-family: "DM Mono", monospace; font-size: .62rem; letter-spacing: .14em; color: #53626d; }
.scroll-cue i { display: block; height: 35px; width: 1px; background: linear-gradient(var(--mint), transparent); }

.problem-section { position: relative; min-height: 210vh; padding: 15vh max(1.5rem, calc((100vw - var(--max)) / 2)); display: grid; grid-template-columns: .8fr 1fr; gap: 9vw; background: #eef4f1; color: var(--ink); }
.problem-section::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 22% 22%, rgba(78, 214, 169, .16), transparent 28%); pointer-events: none; }
.section-gridline { position: absolute; left: 50%; top: 0; bottom: 0; width: 1px; background: rgba(7,11,18,.08); }
.sticky-copy { position: sticky; top: 18vh; align-self: start; max-width: 520px; }
.section-index { color: #63716e; margin-bottom: 2rem; }
.sticky-copy h2, .model-intro h2, .access-copy h2 { font-size: clamp(2.7rem, 5vw, 5.4rem); line-height: .99; letter-spacing: -.065em; font-weight: 500; }
.sticky-copy h2 span, .model-intro h2 span { color: #72817e; }
.sticky-copy > p:last-child, .model-intro > p:last-child, .access-copy > p { max-width: 540px; color: #53615f; font-size: 1.1rem; }
.story-rail { position: relative; padding-top: 18vh; }
.story-card { position: relative; min-height: 360px; margin: 0 0 35vh; padding: clamp(1.5rem, 3vw, 2.6rem); background: #0b111b; color: var(--paper); box-shadow: 0 30px 80px rgba(16, 28, 28, .16); }
.story-card.offset { margin-left: 8%; }
.story-card.result { border-top: 4px solid var(--mint); margin-bottom: 10vh; }
.story-meta { font-family: "DM Mono", monospace; font-size: .7rem; letter-spacing: .12em; color: #74838e; }
.story-meta b { color: var(--cyan); font-weight: 500; }
.story-card h3 { margin: 7rem 0 .8rem; font-size: clamp(1.65rem, 3vw, 2.5rem); line-height: 1.1; letter-spacing: -.04em; }
.story-card > p { color: #93a2ad; max-width: 480px; }
.code-line, .merged-object { margin-top: 2rem; border-top: 1px solid var(--line); padding-top: 1rem; color: var(--muted); font-family: "DM Mono", monospace; font-size: .75rem; }
.code-line strong { color: var(--mint); font-weight: 400; }
.merged-object { display: grid; gap: .25rem; }
.merged-object div { padding-left: 1rem; }
.merged-object i { color: var(--cyan); font-style: normal; }
.merged-object strong { color: var(--mint); font-weight: 400; }
.stack-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: .45rem; margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--line); }
.stack-grid span { display: grid; place-items: center; min-height: 42px; border: 1px solid #283543; color: #83939e; font-family: "DM Mono", monospace; font-size: .61rem; letter-spacing: .04em; }
.seam-list { display: grid; gap: .45rem; margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--line); font-family: "DM Mono", monospace; font-size: .68rem; }
.seam-list div { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: .75rem; padding: .5rem 0; }
.seam-list span { color: #7f909c; }.seam-list i { color: var(--amber); font-style: normal; }.seam-list strong { color: #aebcc5; font-weight: 400; text-align: right; }
.unified-system { display: grid; grid-template-columns: auto 1fr auto 1fr auto; align-items: center; gap: .75rem; margin-top: 2rem; padding-top: 1.2rem; border-top: 1px solid var(--line); font-family: "DM Mono", monospace; font-size: .68rem; }
.unified-system span { color: var(--mint); }.unified-system i { height: 1px; background: linear-gradient(90deg, var(--cyan), var(--mint)); }.unified-system strong { grid-column: 1 / -1; margin-top: .8rem; padding: .7rem; background: rgba(121,242,192,.08); color: #a9d7c5; font-size: .62rem; font-weight: 400; letter-spacing: .08em; text-align: center; }

.statement { position: relative; min-height: 90vh; display: grid; place-items: center; padding: 8rem 1.5rem; overflow: hidden; background: var(--ink); text-align: center; }
.statement-inner { position: relative; z-index: 2; }
.statement-inner p { font-family: "DM Mono", monospace; color: var(--mint); font-size: .76rem; letter-spacing: .14em; text-transform: uppercase; }
.statement-inner h2 { margin: 0; max-width: 940px; font-size: clamp(2.8rem, 6vw, 6.4rem); line-height: 1.02; letter-spacing: -.07em; font-weight: 500; }
.statement-word { position: absolute; font-size: clamp(10rem, 25vw, 26rem); line-height: 1; font-weight: 700; letter-spacing: -.09em; color: transparent; -webkit-text-stroke: 1px rgba(121,242,192,.1); white-space: nowrap; will-change: transform; }
.word-a { top: -8%; left: -15%; }.word-b { bottom: -8%; right: -24%; -webkit-text-stroke-color: rgba(103,217,244,.09); }

.model-section { padding: 16vh max(1.5rem, calc((100vw - var(--max)) / 2)); background: #0a1019; }
.model-intro { display: grid; grid-template-columns: 1fr 2.4fr; column-gap: 4rem; }
.model-intro .section-index { grid-row: 1 / 3; }
.model-intro h2 { margin-bottom: 2rem; }
.model-intro > p:last-child { color: #8e9da8; }
.steps { list-style: none; padding: 0; margin: 8rem 0 0; border-top: 1px solid var(--line); }
.steps li { display: grid; grid-template-columns: 1fr 2.4fr; gap: 4rem; min-height: 210px; padding: 2.4rem 0; border-bottom: 1px solid var(--line); }
.step-number { color: var(--mint); font-family: "DM Mono", monospace; font-size: .74rem; }
.steps h3 { margin-bottom: .7rem; font-size: clamp(1.7rem, 3vw, 2.5rem); letter-spacing: -.04em; }
.steps p { max-width: 600px; color: #8998a4; font-size: 1.05rem; }
.step-demo { max-width: 680px; margin-top: 1.8rem; font-family: "DM Mono", monospace; font-size: .68rem; }
.merge-demo { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; }
.merge-demo span, .function-demo span, .function-demo strong { padding: .75rem; border: 1px solid var(--line); color: #8fa0ab; font-weight: 400; }
.merge-demo strong { grid-column: 1 / -1; padding: .75rem; background: rgba(121,242,192,.08); border-left: 2px solid var(--mint); color: var(--mint); font-weight: 400; text-align: center; }
.function-demo { display: grid; grid-template-columns: 1fr auto; }
.function-demo strong { border-color: rgba(103,217,244,.35); color: var(--cyan); }

.proof-strip { display: grid; grid-template-columns: repeat(3, 1fr); padding: 0 max(1.5rem, calc((100vw - var(--max)) / 2)); background: #0a1019; }
.proof-strip > div { min-height: 280px; padding: 2.5rem; border: 1px solid var(--line); border-left: 0; }
.proof-strip > div:first-child { border-left: 1px solid var(--line); }
.proof-strip span { display: block; color: #596974; font-family: "DM Mono", monospace; font-size: .7rem; margin-bottom: 5rem; }
.proof-strip strong { display: block; font-size: 1.25rem; margin-bottom: .7rem; }
.proof-strip p { color: #82919c; }

.access-section { position: relative; isolation: isolate; display: grid; grid-template-columns: .9fr 1fr; gap: 9vw; padding: 18vh max(1.5rem, calc((100vw - var(--max)) / 2)); background: #dff8ed; color: var(--ink); overflow: hidden; }
.access-glow { width: 500px; height: 500px; background: rgba(47, 191, 139, .16); right: auto; left: -5%; top: 45%; }
.access-copy { position: relative; z-index: 1; }
.access-copy h2 { max-width: 620px; }
.access-copy ul { margin: 3rem 0 0; padding: 0; list-style: none; }
.access-copy li { padding: .8rem 0; border-bottom: 1px solid rgba(7,11,18,.15); }
.access-copy li::before { content: "＋"; margin-right: .75rem; font-family: "DM Mono", monospace; }
.access-form { position: relative; z-index: 2; padding: clamp(1.5rem, 4vw, 3.5rem); background: var(--ink); color: var(--paper); box-shadow: 0 35px 90px rgba(25, 60, 49, .18); }
.field { margin-bottom: 1.4rem; }
.field label, .field legend { display: block; margin-bottom: .55rem; font-size: .78rem; font-weight: 700; color: #adbac4; }
.field label span { color: #5f707c; font-weight: 500; }
.field input, .field select, .field textarea { width: 100%; min-height: 52px; padding: .8rem .9rem; border: 1px solid #283543; border-radius: 2px; background: #0e1621; color: var(--paper); outline: none; }
.field textarea { resize: vertical; min-height: 95px; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--mint); box-shadow: 0 0 0 3px rgba(121,242,192,.1); }
.field input::placeholder, .field textarea::placeholder { color: #52616c; }
fieldset.field { border: 0; padding: 0; }
.choice-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: .6rem; }
.choice-row label { margin: 0; cursor: pointer; }
.choice-row input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.choice-row span { display: grid; place-items: center; min-height: 48px; border: 1px solid #283543; color: #8797a3; transition: .2s; }
.choice-row input:checked + span { border-color: var(--mint); background: rgba(121,242,192,.1); color: var(--mint); }
.choice-row input:focus-visible + span { outline: 2px solid var(--cyan); outline-offset: 2px; }
.submit-button { width: 100%; margin-top: .5rem; }
.form-note { margin: .75rem 0 0; color: #657681; font-family: "DM Mono", monospace; font-size: .66rem; text-align: center; }
.form-success { display: grid; gap: .25rem; margin-top: 1rem; padding: 1rem; border: 1px solid rgba(121,242,192,.35); color: #9db0aa; }
.form-success strong { color: var(--mint); }
.hidden-field { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

footer { min-height: 170px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding: 3rem max(1.5rem, calc((100vw - var(--max)) / 2)); border-top: 1px solid var(--line); background: #05080d; color: #687781; font-size: .78rem; }
footer .brand { color: var(--paper); font-size: 1rem; }

[data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 960px) {
  nav > a:not(.nav-cta) { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 150px; }
  .hero-stage { width: min(650px, 100%); margin: 0 auto; height: 660px; }
  .problem-section { grid-template-columns: 1fr; min-height: auto; gap: 4rem; }
  .sticky-copy { position: relative; top: auto; }
  .story-rail { padding-top: 0; }
  .story-card { margin-bottom: 5rem; }.story-card.offset { margin-left: 4%; }
  .section-gridline { left: 1.5rem; }
  .model-intro, .steps li { grid-template-columns: 1fr; gap: 1rem; }
  .model-intro .section-index { grid-row: auto; }
  .proof-strip { grid-template-columns: 1fr; }
  .proof-strip > div, .proof-strip > div:first-child { border-left: 1px solid var(--line); }
  .access-section { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .site-header { width: calc(100% - 2rem); height: 76px; }
  .brand { font-size: .92rem; }.nav-cta { padding: .5rem .7rem; }
  .hero { padding-left: 1rem; padding-right: 1rem; }
  h1 { font-size: clamp(3.25rem, 17vw, 5rem); }
  .hero-stage { height: 570px; min-height: 0; transform: scale(.93); transform-origin: top center; }
  .data-plane { min-height: 190px; }.plane-b { left: 9%; }.plane-c { left: 1%; }
  .stage-caption { display: none; }
  .scroll-cue { display: none; }
  .problem-section, .model-section, .access-section { padding-left: 1rem; padding-right: 1rem; }
  .story-card { min-height: 320px; }.story-card h3 { margin-top: 5rem; }
  .story-card.offset { margin-left: 0; }
  .stack-grid { grid-template-columns: repeat(2, 1fr); }
  .capability-flow { gap: .3rem; }.capability-flow span { font-size: .57rem; }
  .merge-demo, .function-demo { grid-template-columns: 1fr; }
  .merge-demo strong { grid-column: 1; }
  .statement-inner h2 { font-size: 2.8rem; }
  .proof-strip { padding-left: 1rem; padding-right: 1rem; }
  .proof-strip > div { min-height: 230px; }.proof-strip span { margin-bottom: 3rem; }
  .access-form { margin-left: -1rem; margin-right: -1rem; }
  footer { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
}