:root {
  --paper: #f4f0e6;
  --ink: #f8f4e9;
  --muted: #bdc8c2;
  --deep: #04120f;
  --night: #071d18;
  --felt: #0d4638;
  --gold: #d8b66b;
  --gold-bright: #f0d48e;
  --line: rgba(216,182,107,.25);
  --sans: "DM Sans", system-ui, sans-serif;
  --serif: "Fraunces", Georgia, serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body { margin: 0; overflow-x: hidden; color: var(--ink); background: var(--deep); font: 18px/1.65 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
.section-shell { width: min(calc(100% - 64px), 1180px); margin-inline: auto; }

.site-header { position: fixed; z-index: 20; inset: 0 0 auto; height: 84px; padding: 0 max(32px,calc((100vw - 1240px)/2)); display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 28px; border-bottom: 1px solid transparent; transition: .2s ease; }
.site-header.scrolled { height: 70px; background: rgba(4,18,15,.96); border-color: rgba(255,255,255,.08); box-shadow: 0 10px 30px rgba(0,0,0,.2); }
.brand { display: inline-flex; align-items: center; gap: 12px; width: max-content; text-decoration: none; }
.brand img { width: 46px; height: 46px; }
.brand span { display: grid; line-height: 1.1; }
.brand strong { font: 600 20px var(--serif); }
.brand small { margin-top: 4px; color: var(--gold); font-size: 10px; letter-spacing: .04em; }
nav { display: flex; gap: 25px; }
nav a { color: var(--muted); font-size: 14px; font-weight: 600; text-decoration: none; }
nav a:hover { color: var(--gold-bright); }
.header-download { justify-self: end; color: var(--gold); font-size: 14px; font-weight: 800; letter-spacing: .05em; text-decoration: none; }

.hero { min-height: 780px; padding-block: 168px 100px; display: grid; grid-template-columns: 1.2fr .8fr; align-items: center; gap: 90px; }
.kicker { margin: 0 0 22px; color: var(--gold); font-size: 13px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
h1,h2,h3,p { overflow-wrap: break-word; }
h1,h2 { margin: 0; font-family: var(--serif); font-weight: 500; letter-spacing: -.035em; }
h1 { max-width: 780px; font-size: clamp(62px,7vw,98px); line-height: .98; }
h2 { font-size: clamp(44px,5vw,68px); line-height: 1.04; }
h1 em,h2 em { color: var(--gold); font-style: normal; }
.hero-lead { max-width: 720px; margin: 34px 0; color: var(--muted); font-size: 23px; line-height: 1.55; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }
.button { min-height: 58px; padding: 0 23px; display: inline-flex; align-items: center; justify-content: center; gap: 24px; border: 1px solid var(--gold); border-radius: 8px; font-size: 16px; font-weight: 800; text-decoration: none; transition: .2s ease; }
.button:hover { transform: translateY(-2px); }
.button.primary { color: #10261f; background: var(--gold); }
.button.primary:hover { background: var(--gold-bright); }
.button.secondary { color: var(--gold-bright); background: transparent; }
.release-note { margin: 18px 0 0; color: #83978e; font-size: 14px; }
.release-card { padding: 34px; border: 1px solid var(--line); border-radius: 18px; background: linear-gradient(150deg,rgba(24,91,71,.48),rgba(7,29,24,.72)); box-shadow: 0 30px 70px rgba(0,0,0,.25); }
.live-dot { display: flex; align-items: center; gap: 10px; color: #75eab5; font-size: 13px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.live-dot::before { content:""; width: 9px; height: 9px; border-radius: 50%; background: #68ebb0; box-shadow: 0 0 13px #68ebb0; }
.release-card h2 { margin-top: 24px; font-size: 34px; }
.release-card ul { margin: 22px 0; padding-left: 24px; color: var(--muted); }
.release-card li { margin: 9px 0; }
.release-card > a { color: var(--gold-bright); font-size: 15px; font-weight: 700; }

.quick-facts { border-block: 1px solid var(--line); background: rgba(255,255,255,.025); }
.quick-facts .section-shell { display: grid; grid-template-columns: repeat(4,1fr); }
.quick-facts article { min-height: 160px; padding: 30px; display: grid; align-content: center; border-right: 1px solid var(--line); }
.quick-facts article:first-child { border-left: 1px solid var(--line); }
.quick-facts b { color: var(--gold); font: 600 42px var(--serif); }
.quick-facts span { color: var(--muted); font-size: 15px; line-height: 1.4; }

.positioning-statement { padding-block: 105px; text-align: center; background: #0b3027; }
.positioning-statement p { margin: 0 0 12px; color: var(--muted); font-size: clamp(20px,2.2vw,28px); }
.positioning-statement h2 { max-width: 920px; margin-inline: auto; }

.content-section { padding-block: 135px; }
.section-heading { display: grid; grid-template-columns: 1fr 1fr; margin-bottom: 62px; }
.section-heading .kicker { grid-column: 1/-1; }
.feature-list { border-top: 1px solid var(--line); }
.feature-list article { min-height: 175px; padding: 32px 0; display: grid; grid-template-columns: 90px minmax(0,1fr); border-bottom: 1px solid var(--line); }
.feature-list article > span { color: var(--gold); font: 500 20px var(--serif); }
.feature-list article > div { display: grid; grid-template-columns: .7fr 1.3fr; gap: 60px; }
.feature-list h3,.experience-grid h3,.status-grid h3 { margin: 0; font: 500 30px/1.2 var(--serif); }
.feature-list p,.experience-grid p { margin: 0; color: var(--muted); font-size: 17px; }

.dark-section,.video-guide { padding-block: 135px; border-block: 1px solid rgba(255,255,255,.07); background: radial-gradient(circle at 15% 30%,rgba(24,101,78,.34),transparent 34rem),var(--night); }
.split { display: grid; grid-template-columns: .9fr 1.1fr; align-items: start; gap: 100px; }
.section-lead { margin: 30px 0 0; color: var(--muted); font-size: 20px; line-height: 1.7; }
.fact-list { margin: 0; border-top: 1px solid var(--line); }
.fact-list div { padding: 24px 0; display: grid; grid-template-columns: .8fr 1.2fr; gap: 35px; border-bottom: 1px solid var(--line); }
.fact-list dt { color: var(--ink); font-weight: 800; }
.fact-list dd { margin: 0; color: var(--muted); font-size: 16px; }
.robot-copy { align-items: center; }
.evidence-card { padding: 36px; border-left: 4px solid var(--gold); background: rgba(216,182,107,.08); }
.evidence-card strong { font: 500 30px var(--serif); }
.evidence-card p,.evidence-card ul { color: var(--muted); }

.experience-strip { padding-block: 110px; background: #0b3027; }
.experience-grid { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--line); }
.experience-grid article { padding: 30px 28px; border-right: 1px solid var(--line); }
.experience-grid article:first-child { border-left: 1px solid var(--line); }
.experience-grid b { color: var(--gold); font-size: 13px; letter-spacing: .12em; text-transform: uppercase; }
.experience-grid h3 { margin: 42px 0 20px; }
.video-guide .split { align-items: center; }
.video-frame { padding: 9px; border: 1px solid rgba(216,182,107,.45); border-radius: 18px; background: #020806; box-shadow: 0 30px 70px rgba(0,0,0,.38); }
.video-frame video { width: 100%; display: block; aspect-ratio: 16/9; border-radius: 11px; background: #000; }

.status-grid { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line); }
.status-grid article { padding: 36px; }
.status-grid article + article { border-left: 1px solid var(--line); }
.status-grid article > span { display: inline-block; margin-bottom: 25px; padding: 7px 11px; border-radius: 99px; font-size: 12px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.status-grid .ready > span { color: #86efbd; background: rgba(33,150,101,.18); }
.status-grid .testing > span { color: var(--gold-bright); background: rgba(216,182,107,.14); }
.status-grid ul { margin: 26px 0 0; padding-left: 24px; color: var(--muted); }
.status-grid li { margin: 9px 0; }
.documentation-link { margin-top: 32px; padding: 30px 34px; display: flex; align-items: center; justify-content: space-between; gap: 30px; border: 1px solid rgba(255,255,255,.1); border-radius: 14px; }
.documentation-link strong { font: 500 25px var(--serif); }
.documentation-link p { margin: 6px 0 0; color: var(--muted); font-size: 16px; }
.documentation-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px; }

.liberty-signature { padding-block: 80px; background: var(--paper); }
.liberty-signature .section-shell { display: grid; place-items: center; }
.liberty-signature img { width: min(780px,100%); display: block; mix-blend-mode: multiply; }
.closing { padding-block: 125px; text-align: center; background: radial-gradient(circle at 50% 10%,rgba(24,101,78,.32),transparent 32rem); }
.closing-logo { width: 82px; height: 82px; margin-bottom: 25px; }
.closing h2 { margin-bottom: 34px; }
.centered { justify-content: center; }
footer { min-height: 105px; padding: 28px max(32px,calc((100vw - 1180px)/2)); display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 25px; border-top: 1px solid rgba(255,255,255,.08); color: #85988f; font-size: 13px; }
footer > span:last-child { justify-self: end; }
footer a { color: var(--muted); }

.js [data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity .65s ease,transform .65s ease; }
.js [data-reveal].is-visible { opacity: 1; transform: none; }

@media (max-width: 980px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-header nav { display: none; }
  .hero { grid-template-columns: 1fr; gap: 45px; }
  .quick-facts .section-shell { grid-template-columns: 1fr 1fr; }
  .quick-facts article:nth-child(3) { border-left: 1px solid var(--line); }
  .quick-facts article:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .split { grid-template-columns: 1fr; gap: 55px; }
  .feature-list article > div { grid-template-columns: 1fr; gap: 16px; }
  .experience-grid { grid-template-columns: 1fr; }
  .experience-grid article { border-left: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .experience-grid article:last-child { border-bottom: 0; }
}
@media (max-width: 620px) {
  body { font-size: 17px; }
  .section-shell { width: min(calc(100% - 30px),1180px); }
  .site-header { height: 68px; padding-inline: 15px; }
  .site-header.scrolled { height: 62px; }
  .brand img { width: 40px; height: 40px; }
  .brand strong { font-size: 17px; }
  .brand small { display: none; }
  .header-download { font-size: 12px; }
  .hero { min-height: auto; padding-block: 120px 80px; }
  h1 { font-size: 48px; }
  h2 { font-size: 40px; }
  .hero-lead { font-size: 20px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .quick-facts .section-shell { grid-template-columns: 1fr; }
  .quick-facts article { min-height: 125px; border-left: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .quick-facts article:last-child { border-bottom: 0; }
  .content-section,.dark-section,.video-guide { padding-block: 88px; }
  .positioning-statement { padding-block: 72px; text-align: left; }
  .section-heading { grid-template-columns: 1fr; margin-bottom: 44px; }
  .feature-list article { grid-template-columns: 48px minmax(0,1fr); }
  .feature-list h3,.experience-grid h3,.status-grid h3 { font-size: 27px; }
  .fact-list div { grid-template-columns: 1fr; gap: 5px; }
  .status-grid { grid-template-columns: 1fr; }
  .status-grid article + article { border-left: 0; border-top: 1px solid var(--line); }
  .documentation-link { align-items: stretch; flex-direction: column; }
  .documentation-actions { justify-content: stretch; flex-direction: column; }
  .liberty-signature { padding-block: 48px; }
  footer { grid-template-columns: 1fr; text-align: center; }
  footer > span:last-child { justify-self: center; }
}
@media (prefers-reduced-motion:reduce) { html{scroll-behavior:auto} *{transition:none!important} .js [data-reveal]{opacity:1;transform:none} }
