:root {
  --paper: #f3f1ea;
  --paper-2: #e9e7df;
  --ink: #11171c;
  --muted: #687076;
  --line: rgba(17, 23, 28, .17);
  --line-soft: rgba(17, 23, 28, .09);
  --night: #0c1418;
  --night-2: #121f24;
  --aqua: #bdfbe2;
  --green: #5bf0b5;
  --blue: #8fc8ff;
  --shell: 1240px;
  --radius: 22px;
  --header: 72px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.shell { width: min(calc(100% - 48px), var(--shell)); margin-inline: auto; }
.page-noise { position: fixed; inset: 0; pointer-events: none; z-index: 9999; opacity: .028; 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='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.75'/%3E%3C/svg%3E"); }

.topbar { position: sticky; top: 0; z-index: 100; height: var(--header); border-bottom: 1px solid var(--line); background: rgba(243, 241, 234, .88); backdrop-filter: blur(18px) saturate(140%); }
.nav-shell { height: 100%; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 24px; }
.brand { display: flex; align-items: center; gap: 10px; width: fit-content; }
.brand-glyph { position: relative; width: 30px; height: 30px; border: 1px solid var(--ink); border-radius: 50%; display: block; overflow: hidden; }
.brand-glyph::before, .brand-glyph::after { content: ""; position: absolute; background: var(--ink); }
.brand-glyph::before { width: 1px; height: 100%; left: 50%; }
.brand-glyph::after { height: 1px; width: 100%; top: 50%; }
.brand-glyph i { position: absolute; width: 12px; height: 12px; border-radius: 50%; background: var(--green); top: 4px; right: 3px; z-index: 1; }
.brand-glyph b { position: absolute; width: 7px; height: 7px; border-radius: 50%; background: var(--ink); bottom: 5px; left: 5px; z-index: 1; }
.brand-name { font-weight: 760; font-size: 13px; letter-spacing: .08em; }
.brand-by { color: var(--muted); font-size: 10px; letter-spacing: .08em; border-left: 1px solid var(--line); padding-left: 10px; }
nav { display: flex; align-items: center; gap: 28px; font-size: 12px; color: #485057; }
nav a { transition: color .2s ease; }
nav a:hover { color: var(--ink); }
.nav-cta { justify-self: end; display: inline-flex; gap: 10px; align-items: center; font-size: 12px; font-weight: 650; border: 1px solid var(--ink); border-radius: 999px; padding: 10px 14px; transition: .25s ease; }
.nav-cta:hover { background: var(--ink); color: var(--paper); transform: translateY(-1px); }
.nav-toggle { display: none; }

.hero { min-height: calc(100svh - var(--header)); display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; padding-block: 52px; }
.eyebrow, .section-index { margin: 0; font-size: 11px; letter-spacing: .16em; text-transform: uppercase; font-weight: 700; color: var(--muted); }
.eyebrow { display: flex; align-items: center; gap: 9px; color: #3f4b4f; }
.eyebrow span { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 5px rgba(91,240,181,.17); }
h1 { margin: 24px 0 26px; font-size: clamp(58px, 6.6vw, 104px); line-height: .86; letter-spacing: -.075em; font-weight: 650; max-width: 760px; }
h1 em { font-family: Georgia, "Times New Roman", serif; font-weight: 400; color: #5b6469; }
.hero-lede { max-width: 660px; margin: 0; font-size: clamp(17px, 1.45vw, 21px); line-height: 1.55; color: #566067; }
.hero-actions { margin-top: 34px; display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.button { display: inline-flex; align-items: center; gap: 18px; border-radius: 999px; padding: 14px 18px; font-size: 13px; font-weight: 680; transition: .25s ease; }
.button-dark { background: var(--ink); color: #fff; }
.button-dark:hover { transform: translateY(-2px); background: #243038; }
.text-link { font-size: 13px; border-bottom: 1px solid var(--line); padding: 8px 0; display: inline-flex; align-items: center; gap: 13px; }
.text-link:hover { border-color: var(--ink); }

.signal-plane { position: relative; min-height: 570px; border: 1px solid var(--line); border-radius: 28px; overflow: hidden; background: linear-gradient(145deg, #eeece4 0%, #e8ebe5 45%, #dde7e0 100%); box-shadow: inset 0 0 70px rgba(255,255,255,.48); }
.signal-grid { position: absolute; inset: 0; background-image: linear-gradient(var(--line-soft) 1px, transparent 1px), linear-gradient(90deg, var(--line-soft) 1px, transparent 1px); background-size: 42px 42px; mask-image: linear-gradient(to bottom, transparent, #000 14%, #000 86%, transparent); }
.signal-core { position: absolute; width: 230px; aspect-ratio: 1; border-radius: 50%; left: 50%; top: 50%; transform: translate(-50%,-50%); background: var(--night); color: #fff; display: flex; flex-direction: column; justify-content: center; padding: 36px; box-shadow: 0 18px 70px rgba(17,23,28,.18); }
.signal-core small { color: var(--green); font-size: 9px; letter-spacing: .18em; margin-bottom: 18px; }
.signal-core strong { font-size: 24px; line-height: 1.06; letter-spacing: -.035em; }
.pulse { position: absolute; right: 36px; bottom: 34px; width: 9px; height: 9px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 8px rgba(91,240,181,.12); animation: pulse 2.4s ease-in-out infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 18px rgba(91,240,181,0); } }
.node { position: absolute; width: 54px; height: 54px; border-radius: 50%; background: rgba(243,241,234,.88); border: 1px solid var(--ink); display: grid; place-items: center; font-size: 10px; font-weight: 750; z-index: 3; }
.node::after { content: ""; position: absolute; width: 7px; height: 7px; border-radius: 50%; background: var(--green); }
.node-a { left: 12%; top: 18%; }.node-a::after { right: 7px; bottom: 4px; }
.node-b { right: 13%; top: 18%; }.node-b::after { left: 7px; bottom: 4px; }
.node-c { left: 14%; bottom: 17%; }.node-c::after { right: 7px; top: 4px; }
.node-d { right: 12%; bottom: 17%; }.node-d::after { left: 7px; top: 4px; }
.beam { position: absolute; height: 1px; background: linear-gradient(90deg, transparent, rgba(17,23,28,.35), transparent); transform-origin: left center; z-index: 1; }
.beam-a { width: 70%; left: 14%; top: 30%; transform: rotate(19deg); }
.beam-b { width: 73%; left: 14%; top: 70%; transform: rotate(-19deg); }
.beam-c { width: 78%; left: 11%; top: 50%; }
.signal-label { position: absolute; font-size: 9px; letter-spacing: .16em; color: var(--muted); z-index: 4; }
.label-a { left: 9%; top: 10%; }.label-b { right: 8%; top: 10%; }.label-c { left: 9%; bottom: 9%; }.label-d { right: 8%; bottom: 9%; }
.plane-caption { position: absolute; left: 50%; bottom: 30px; transform: translateX(-50%); width: 48%; display: flex; justify-content: space-between; font-size: 8px; letter-spacing: .13em; color: #65716d; }

.proof-band { border-block: 1px solid var(--line); overflow: hidden; }
.proof-track { min-height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 18px; color: #5c666c; font-size: 11px; letter-spacing: .055em; text-transform: uppercase; white-space: nowrap; }
.proof-track i { width: 4px; height: 4px; border-radius: 50%; background: #a8afa9; }
.section { padding-block: 126px; }
.section-intro { display: grid; grid-template-columns: .34fr 1fr; gap: 44px; align-items: start; margin-bottom: 70px; }
.section-intro h2, .method-head h2, .status-copy h2, .closing h2 { margin: 0; font-size: clamp(40px, 5vw, 72px); line-height: .98; letter-spacing: -.055em; font-weight: 590; }
.section-intro > div > p { max-width: 730px; color: var(--muted); font-size: 17px; line-height: 1.62; margin: 28px 0 0; }

.capability-grid { display: grid; grid-template-columns: 1.35fr 1fr; gap: 14px; }
.capability { min-height: 420px; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; display: flex; flex-direction: column; background: rgba(255,255,255,.12); transition: transform .25s ease, background .25s ease; overflow: hidden; }
.capability:hover { transform: translateY(-3px); background: rgba(255,255,255,.34); }
.capability-feature { grid-row: span 2; min-height: 854px; }
.cap-top { display: flex; justify-content: space-between; font-size: 10px; letter-spacing: .14em; color: var(--muted); }
.cap-tag { border: 1px solid var(--line); border-radius: 999px; padding: 5px 8px; }
.cap-copy { margin-top: auto; max-width: 560px; }
.cap-copy h3 { margin: 0 0 12px; font-size: 28px; letter-spacing: -.03em; }
.cap-copy p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.58; }
.evidence-stack { margin: 112px auto 80px; width: min(86%, 560px); display: grid; gap: 12px; transform: perspective(800px) rotateX(12deg) rotateZ(-3deg); }
.evidence-stack div { background: #fff; border: 1px solid var(--line); border-radius: 14px; min-height: 94px; padding: 18px; display: flex; align-items: flex-end; justify-content: space-between; box-shadow: 0 18px 45px rgba(17,23,28,.07); }
.evidence-stack div:nth-child(2) { margin-inline: 24px; background: #e2f4e9; }
.evidence-stack div:nth-child(3) { margin-inline: 48px; background: var(--night); color: #fff; }
.evidence-stack b { font-size: 13px; }.evidence-stack span { color: #708078; font-size: 10px; text-transform: uppercase; letter-spacing: .08em; }
.mini-diagram { min-height: 170px; margin: 54px 0 40px; position: relative; }
.resilience { display: flex; align-items: center; justify-content: center; gap: 22px; }
.resilience i { width: 28px; height: 28px; border: 1px solid var(--ink); border-radius: 50%; position: relative; }
.resilience i::before { content:""; position:absolute; width:48px; height:1px; background:var(--line); left:27px; top:13px; }
.resilience i:last-of-type::before { display:none; }
.resilience b { position: absolute; width: 120px; height: 120px; border: 1px dashed #7fa99a; border-radius: 50%; animation: rotate 14s linear infinite; }
@keyframes rotate { to { transform: rotate(360deg); } }
.authority { display: grid; place-items: center; grid-template-columns: 1fr auto 1fr; gap: 20px; }
.authority span { border: 1px solid var(--line); border-radius: 12px; padding: 18px; text-align:center; font-size:10px; letter-spacing:.14em; background:rgba(255,255,255,.5); }
.authority b { font-size: 25px; font-weight: 400; }

.method { background: var(--night); color: #eff5f2; }
.section-index.light { color: #84918d; }
.method-head { display: grid; grid-template-columns: .32fr 1fr .58fr; gap: 44px; align-items: end; margin-bottom: 82px; }
.method-head p:last-child { margin: 0; color: #8d9a96; font-size: 15px; line-height: 1.55; }
.method-steps { border-top: 1px solid rgba(255,255,255,.15); }
.method-step { display: grid; grid-template-columns: .28fr 1fr; border-bottom: 1px solid rgba(255,255,255,.15); padding: 34px 0; transition: padding .25s ease; }
.method-step:hover { padding-left: 10px; }
.method-step > span { color: var(--green); font-size: 11px; }
.method-step > div { display: grid; grid-template-columns: .4fr 1fr; gap: 60px; align-items: start; }
.method-step strong { font-size: 30px; letter-spacing: -.03em; }
.method-step p { margin: 0; color: #94a09c; max-width: 540px; line-height: 1.55; }

.principle-list { border-top: 1px solid var(--ink); }
.principle { display: grid; grid-template-columns: .16fr .55fr 1fr auto; gap: 30px; align-items: center; min-height: 126px; border-bottom: 1px solid var(--line); transition: padding .25s ease; }
.principle:hover { padding-inline: 8px; }
.principle > span { font-size: 10px; color: var(--muted); }
.principle h3 { margin: 0; font-size: 27px; letter-spacing: -.035em; }
.principle p { margin: 0; color: var(--muted); max-width: 610px; line-height: 1.55; }
.principle b { font-weight: 400; font-size: 18px; }

.status-section { padding-top: 30px; }
.status-card { background: linear-gradient(145deg, #10191e 0%, #14282a 100%); color: #f4f7f5; border-radius: 30px; padding: 62px; display: grid; grid-template-columns: 1fr .92fr; gap: 82px; overflow: hidden; position: relative; }
.status-card::before { content:""; position:absolute; width:480px; height:480px; border-radius:50%; background: radial-gradient(circle, rgba(91,240,181,.13), transparent 67%); right:-120px; top:-190px; }
.status-copy p:not(.section-index) { color: #9aa8a3; max-width: 620px; line-height: 1.62; margin: 24px 0; }
.status-pill { display:inline-flex; align-items:center; gap:9px; border:1px solid rgba(255,255,255,.16); border-radius:999px; padding:10px 13px; font-size:11px; color:#bcc7c3; }
.status-pill i { width:7px; height:7px; border-radius:50%; background:var(--green); box-shadow:0 0 0 5px rgba(91,240,181,.12); }
.status-rail { position:relative; z-index:2; }
.status-row { display:grid; grid-template-columns:36px 1fr 18px; align-items:center; gap:14px; padding:19px 0; border-bottom:1px solid rgba(255,255,255,.13); }
.status-row > span { color:#6f807a; font-size:10px; }
.status-row p { margin:0; display:flex; flex-direction:column; gap:4px; }
.status-row b { font-size:13px; font-weight:650; }.status-row small { color:#71817b; }
.status-row > i { width:9px; height:9px; border-radius:50%; border:1px solid #56655f; }
.status-row.complete > i { background:var(--green); border-color:var(--green); }.status-row.active > i { background:#d8ffed; box-shadow:0 0 0 6px rgba(91,240,181,.12); }

.closing { padding-block: 140px 130px; position:relative; }
.closing h2 { max-width: 980px; margin: 24px 0 42px; font-size: clamp(52px, 7vw, 92px); }
.footer { border-top:1px solid var(--line); padding-block:34px; }
.footer-grid { display:grid; grid-template-columns:.7fr 1fr 1.5fr auto; gap:36px; align-items:end; color:var(--muted); font-size:11px; }
.footer-grid > div { display:flex; flex-direction:column; gap:4px; color:var(--ink); }
.footer-grid p { margin:0; line-height:1.5; }.footer-grid .legal { max-width:560px; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s cubic-bezier(.2,.65,.25,1); }
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; }
  .reveal { opacity:1; transform:none; transition:none; }
}
@media (max-width: 980px) {
  .nav-shell { grid-template-columns:1fr auto; }.nav-cta { display:none; }.nav-toggle { display:block; justify-self:end; border:0; background:none; font-size:12px; }
  nav { position:absolute; left:0; right:0; top:var(--header); background:rgba(243,241,234,.98); border-bottom:1px solid var(--line); padding:18px 24px; display:none; justify-content:center; }
  nav.open { display:flex; }.brand-by { display:none; }
  .hero { grid-template-columns:1fr; min-height:auto; padding-block:64px 80px; }.signal-plane { min-height:500px; }
  h1 { font-size:clamp(56px,12vw,88px); }
  .section { padding-block:90px; }.section-intro, .method-head { grid-template-columns:1fr; gap:24px; }
  .capability-grid { grid-template-columns:1fr; }.capability-feature { grid-row:auto; min-height:650px; }
  .method-step > div { grid-template-columns:.45fr 1fr; }.status-card { grid-template-columns:1fr; gap:50px; padding:42px; }
  .footer-grid { grid-template-columns:1fr 1fr; }
}
@media (max-width: 680px) {
  .shell { width:min(calc(100% - 30px), var(--shell)); }.topbar { --header:64px; }.brand-name { font-size:12px; }
  nav { flex-direction:column; align-items:flex-start; gap:18px; }
  .hero { padding-top:46px; gap:46px; }.hero-lede { font-size:16px; }.signal-plane { min-height:410px; border-radius:20px; }
  .signal-core { width:170px; padding:28px; }.signal-core strong { font-size:19px; }.node { width:44px; height:44px; }.plane-caption { width:62%; }
  .proof-track { overflow-x:auto; justify-content:flex-start; }.section { padding-block:76px; }.section-intro { margin-bottom:44px; }
  .section-intro h2, .method-head h2, .status-copy h2 { font-size:clamp(38px,12vw,58px); }
  .capability { min-height:380px; padding:20px; }.capability-feature { min-height:570px; }.evidence-stack { margin-top:80px; width:100%; }.evidence-stack div:nth-child(2) { margin-inline:12px; }.evidence-stack div:nth-child(3) { margin-inline:24px; }
  .method-head { margin-bottom:44px; }.method-step { grid-template-columns:44px 1fr; padding:26px 0; }.method-step > div { grid-template-columns:1fr; gap:8px; }.method-step strong { font-size:25px; }
  .principle { grid-template-columns:34px 1fr auto; gap:12px; padding:22px 0; }.principle p { grid-column:2 / -1; }.principle h3 { font-size:23px; }
  .status-card { padding:30px 22px; border-radius:22px; }.closing { padding-block:90px 80px; }.closing h2 { font-size:clamp(46px,13vw,70px); }
  .footer-grid { grid-template-columns:1fr; gap:18px; }
}