@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Space+Grotesk:wght@500;600;700&display=swap');

:root {
  --ink: #050812;
  --ink-soft: #09101f;
  --panel: rgba(11, 18, 34, .74);
  --line: rgba(148, 174, 211, .16);
  --muted: #a4afc2;
  --white: #f7fbff;
  --cyan: #00d9ff;
  --blue: #1688ff;
  --purple: #8456ff;
  --max: 1180px;
  --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--ink); }
body {
  margin: 0;
  color: var(--white);
  background:
    radial-gradient(circle at 10% 38%, rgba(0, 217, 255, .07), transparent 28rem),
    radial-gradient(circle at 90% 68%, rgba(132, 86, 255, .08), transparent 30rem),
    var(--ink);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img { display: block; max-width: 100%; }

.skip-link {
  position: fixed; left: 12px; top: 12px; z-index: 100;
  padding: 10px 14px; background: white; color: #000;
  transform: translateY(-160%); transition: transform .2s;
}
.skip-link:focus { transform: none; }

.site-header {
  position: fixed; inset: 0 0 auto; z-index: 50;
  height: 82px; padding: 0 max(24px, calc((100vw - var(--max)) / 2));
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 40px;
  border-bottom: 1px solid transparent;
  transition: background .3s, border-color .3s, backdrop-filter .3s, height .3s;
}
.site-header.scrolled {
  height: 70px; background: rgba(5, 8, 18, .84); border-color: var(--line);
  backdrop-filter: blur(18px) saturate(140%);
}
.brand { display: inline-flex; align-items: center; gap: 11px; font-family: "Space Grotesk", sans-serif; font-weight: 700; letter-spacing: .08em; }
.brand b { color: var(--cyan); }
.brand-mark { position: relative; width: 28px; height: 28px; display: inline-grid; place-items: center; }
.brand-mark i { position: absolute; width: 15px; height: 15px; border: 1px solid var(--cyan); transform: rotate(45deg); }
.brand-mark i:nth-child(2) { width: 21px; height: 21px; opacity: .55; }
.brand-mark i:nth-child(3) { width: 27px; height: 27px; opacity: .25; }

.main-nav { justify-self: center; display: flex; gap: clamp(20px, 2.4vw, 38px); align-items: center; }
.main-nav a { position: relative; color: #c0cada; font-size: .84rem; font-weight: 600; letter-spacing: .01em; }
.main-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -8px; height: 1px; background: var(--cyan); transition: right .25s; }
.main-nav a:hover, .main-nav a:focus-visible { color: white; }
.main-nav a:hover::after, .main-nav a:focus-visible::after { right: 0; }
.header-cta { padding: 10px 17px; border: 1px solid rgba(0,217,255,.46); border-radius: 999px; color: white; font-size: .82rem; font-weight: 700; background: rgba(0,217,255,.08); }
.header-cta span { color: var(--cyan); margin-left: 6px; }
.menu-toggle { display: none; }

.hero {
  position: relative; isolation: isolate; min-height: 100svh; overflow: hidden;
  display: grid; align-items: center; grid-template-columns: minmax(0, 1fr) auto;
  gap: 80px; padding: 136px max(24px, calc((100vw - var(--max)) / 2)) 90px;
  border-bottom: 1px solid var(--line);
}
.hero-media, .hero-overlay, .tech-grid { position: absolute; inset: 0; }
.hero-media { z-index: -3; overflow: hidden; background: #050812; }
.hero-media iframe {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%) scale(1.01);
  width: max(100vw, 177.78vh); height: max(56.25vw, 100vh);
  border: 0; pointer-events: none; opacity: .72; filter: saturate(.85) contrast(1.06);
}
.hero-overlay { z-index: -2; background: linear-gradient(90deg, rgba(5,8,18,.96) 0%, rgba(5,8,18,.73) 46%, rgba(5,8,18,.38) 72%, rgba(5,8,18,.72) 100%), linear-gradient(0deg, var(--ink) 0%, transparent 32%, rgba(5,8,18,.36) 100%); }
.tech-grid { z-index: -1; opacity: .24; background-image: linear-gradient(rgba(0,217,255,.09) 1px, transparent 1px), linear-gradient(90deg, rgba(0,217,255,.09) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(to bottom, transparent, black 45%, transparent); }
.hero-content { width: min(720px, 100%); }
.eyebrow, .section-kicker { color: var(--cyan); text-transform: uppercase; letter-spacing: .16em; font-size: .73rem; font-weight: 700; }
.eyebrow { display: flex; align-items: center; gap: 10px; }
.eyebrow span { width: 28px; height: 1px; background: var(--cyan); box-shadow: 0 0 12px var(--cyan); }
.hero h1 { margin: 21px 0 24px; font: 700 clamp(3.5rem, 7.4vw, 7.1rem)/.88 "Space Grotesk", sans-serif; letter-spacing: -.065em; text-wrap: balance; }
.hero h1 em, h2 span, .final-cta em { font-style: normal; color: transparent; background: linear-gradient(100deg, var(--cyan), #32a7ff 48%, #a56aff); -webkit-background-clip: text; background-clip: text; }
.hero-content > p { width: min(650px, 100%); margin: 0; color: #bdc7d7; font-size: clamp(1rem, 1.3vw, 1.14rem); line-height: 1.75; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button { min-height: 52px; display: inline-flex; align-items: center; justify-content: center; gap: 22px; padding: 0 22px; border-radius: 12px; text-transform: uppercase; letter-spacing: .07em; font-size: .76rem; font-weight: 800; transition: transform .2s, box-shadow .2s, border-color .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #021018; background: linear-gradient(110deg, var(--cyan), #2f9bff); box-shadow: 0 15px 45px rgba(0, 190, 255, .22); }
.button-primary:hover { box-shadow: 0 18px 55px rgba(0, 190, 255, .35); }
.button-ghost { border: 1px solid rgba(255,255,255,.21); background: rgba(7,12,23,.35); backdrop-filter: blur(8px); }
.institution { display: grid; gap: 1px; margin-top: clamp(42px, 8vh, 86px); text-transform: uppercase; letter-spacing: .08em; }
.institution span { color: #77859d; font-size: .64rem; }
.institution strong { font-size: .78rem; }
.institution small { color: #8e9bb0; font-size: .64rem; }

.qr-card { align-self: end; width: 252px; position: relative; padding: 22px; border: 1px solid rgba(0,217,255,.35); border-radius: 28px; background: rgba(6,14,29,.68); backdrop-filter: blur(18px); box-shadow: 0 20px 90px rgba(0,0,0,.4), inset 0 0 50px rgba(0,217,255,.035); }
.qr-card img { width: 100%; aspect-ratio: 1; object-fit: cover; padding: 10px; border-radius: 17px; background: white; }
.qr-card > div:last-child { padding-top: 17px; display: grid; }
.qr-card strong { font: 600 1rem "Space Grotesk"; }
.qr-card span { color: var(--muted); font-size: .75rem; }
.qr-scan { position: absolute; z-index: 1; top: 24px; left: 34px; right: 34px; height: 2px; background: var(--cyan); box-shadow: 0 0 15px 3px rgba(0,217,255,.65); animation: scan 4s ease-in-out infinite; }
@keyframes scan { 0%,100% { transform: translateY(7px); opacity: .2; } 50% { transform: translateY(177px); opacity: 1; } }
.video-control { position: absolute; right: 24px; bottom: 24px; display: flex; align-items: center; gap: 10px; border: 0; color: #bcc7d7; background: rgba(5,8,18,.65); backdrop-filter: blur(10px); border-radius: 99px; padding: 9px 13px; cursor: pointer; font-size: .72rem; }
.pause-icon { width: 13px; height: 13px; display: block; border-left: 3px solid var(--cyan); border-right: 3px solid var(--cyan); }
.video-control.paused .pause-icon { border: 0; width: 0; height: 0; border-top: 7px solid transparent; border-bottom: 7px solid transparent; border-left: 11px solid var(--cyan); }

.section { width: min(var(--max), calc(100% - 48px)); margin-inline: auto; padding: clamp(90px, 11vw, 150px) 0; }
.manifesto-grid { display: grid; grid-template-columns: 1fr .92fr; gap: 80px; align-items: end; margin: 22px 0 70px; }
h2 { margin: 0; font: 600 clamp(2.5rem, 5vw, 5rem)/1.02 "Space Grotesk"; letter-spacing: -.055em; }
.lead { margin: 0; color: #b2bed0; font-size: clamp(1.04rem, 1.5vw, 1.25rem); line-height: 1.72; }
.signal-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.signal-row span { border: 1px solid var(--line); border-radius: 99px; padding: 7px 11px; color: #8f9fb7; font-size: .68rem; text-transform: uppercase; letter-spacing: .08em; }
.demo-stage { position: relative; display: grid; grid-template-columns: .58fr 1.42fr; min-height: 470px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: linear-gradient(135deg, rgba(13,24,45,.92), rgba(6,11,23,.72)); box-shadow: 0 32px 100px rgba(0,0,0,.28); }
.demo-copy { display: flex; flex-direction: column; justify-content: flex-end; padding: clamp(30px, 5vw, 58px); }
.demo-copy h3 { margin: 18px 0 12px; font: 600 clamp(1.8rem, 3vw, 2.7rem)/1.05 "Space Grotesk"; letter-spacing: -.04em; }
.demo-copy p { margin: 0; color: var(--muted); }
.live-pill { align-self: flex-start; border: 1px solid rgba(0,217,255,.23); border-radius: 99px; padding: 5px 10px; color: var(--cyan); font-size: .68rem; text-transform: uppercase; letter-spacing: .1em; }
.live-pill i { display: inline-block; width: 5px; height: 5px; border-radius: 50%; margin-right: 7px; background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }
.video-poster { position: relative; border: 0; padding: 0; min-height: 380px; cursor: pointer; overflow: hidden; background: #030610; color: white; }
.video-poster img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .7s ease; }
.video-poster:hover img { transform: scale(1.035); }
.poster-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(6,11,23,.45), transparent 50%), linear-gradient(0deg, rgba(3,6,16,.5), transparent); }
.play { position: absolute; inset: 50% auto auto 50%; transform: translate(-50%,-50%); width: 76px; height: 76px; display: grid; place-items: center; border-radius: 50%; border: 1px solid rgba(255,255,255,.46); background: rgba(5,10,20,.44); backdrop-filter: blur(12px); box-shadow: 0 0 0 12px rgba(255,255,255,.035); transition: transform .25s, background .25s; }
.video-poster:hover .play { transform: translate(-50%,-50%) scale(1.08); background: var(--cyan); }
.play i { width: 0; height: 0; border-top: 9px solid transparent; border-bottom: 9px solid transparent; border-left: 14px solid white; margin-left: 4px; }
.video-poster:hover .play i { border-left-color: #031018; }
.poster-label { position: absolute; right: 22px; bottom: 18px; text-transform: uppercase; letter-spacing: .1em; font-size: .65rem; font-weight: 700; }
.video-poster iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

.steps { border-top: 1px solid var(--line); }
.section-heading { display: grid; grid-template-columns: 1.4fr .6fr; align-items: end; gap: 60px; margin-bottom: 70px; }
.section-heading .section-kicker { margin-bottom: 22px; }
.section-heading > p { margin: 0 0 5px; color: var(--muted); max-width: 390px; }
.steps-list { display: grid; grid-template-columns: repeat(3, 1fr); }
.step { position: relative; min-height: 320px; padding: 34px 34px 30px; border: solid var(--line); border-width: 1px 1px 1px 0; background: linear-gradient(140deg, rgba(12,20,37,.72), rgba(7,11,22,.25)); }
.step:first-child { border-left-width: 1px; border-radius: var(--radius) 0 0 var(--radius); }
.step:last-child { border-radius: 0 var(--radius) var(--radius) 0; }
.step-number { color: #65738b; font: 500 .72rem "Space Grotesk"; letter-spacing: .14em; }
.step-icon { margin: 42px 0 20px; color: var(--cyan); font: 400 2.1rem "Space Grotesk"; text-shadow: 0 0 24px rgba(0,217,255,.5); }
.step h3, .feature-card h3 { margin: 0 0 10px; font: 600 1.28rem "Space Grotesk"; letter-spacing: -.025em; }
.step p, .feature-card p { margin: 0; color: var(--muted); font-size: .9rem; line-height: 1.68; }

.features { padding-top: 70px; }
.features-heading { margin-bottom: 60px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.feature-card { position: relative; min-height: 310px; padding: 30px; display: flex; flex-direction: column; justify-content: flex-end; overflow: hidden; border: 1px solid var(--line); border-radius: 19px; background: rgba(9,16,31,.56); transition: transform .25s, border-color .25s, background .25s; }
.feature-card:hover { transform: translateY(-5px); border-color: rgba(0,217,255,.34); background: rgba(11,22,42,.8); }
.feature-card img { position: absolute; width: 122px; height: 122px; object-fit: contain; top: 23px; right: 24px; opacity: .7; filter: saturate(.85) drop-shadow(0 0 20px rgba(0,217,255,.18)); transition: transform .35s, opacity .35s; }
.feature-card:hover img { transform: rotate(-3deg) scale(1.06); opacity: .92; }
.feature-card > span { position: absolute; top: 27px; left: 28px; color: #596981; font: 500 .7rem "Space Grotesk"; letter-spacing: .14em; }
.feature-card.featured { background: radial-gradient(circle at 85% 20%, rgba(0,217,255,.13), transparent 43%), rgba(9,16,31,.68); }
.feature-card.featured-purple { background: radial-gradient(circle at 85% 20%, rgba(132,86,255,.17), transparent 45%), rgba(9,16,31,.68); }

.ai-section { min-height: 620px; position: relative; display: grid; place-items: center; overflow: hidden; border: 1px solid rgba(132,86,255,.25); border-radius: 34px; background: radial-gradient(circle at 50% 50%, rgba(26,96,145,.21), transparent 34%), radial-gradient(circle at 20% 120%, rgba(132,86,255,.24), transparent 42%), #080d1c; }
.ai-content { position: relative; z-index: 2; text-align: center; width: min(790px, calc(100% - 44px)); }
.ai-content h2 { margin: 24px 0; font-size: clamp(2.4rem, 4.4vw, 4.8rem); }
.ai-content p { width: min(650px, 100%); margin: 0 auto 32px; color: #aab6c9; font-size: 1.02rem; }
.ai-orbit, .ai-orbit::before, .ai-orbit::after { position: absolute; border: 1px solid rgba(0,217,255,.13); border-radius: 50%; }
.ai-orbit { width: 520px; height: 520px; animation: rotate 22s linear infinite; }
.ai-orbit::before { content:""; inset: 50px; }
.ai-orbit::after { content:""; inset: 112px; border-color: rgba(132,86,255,.25); }
.ai-orbit i { position: absolute; left: 50%; top: -5px; width: 9px; height: 9px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 20px var(--cyan); }
.ai-orbit i:nth-child(2) { left: auto; right: 30px; top: 72%; background: var(--purple); box-shadow: 0 0 20px var(--purple); }
.ai-orbit i:nth-child(3) { left: 30px; top: 72%; }
@keyframes rotate { to { transform: rotate(360deg); } }

.final-cta { width: 100%; max-width: none; text-align: center; margin-top: 130px; padding: 120px 24px; background: linear-gradient(120deg, #08d8f5 0%, #208ee9 47%, #8c4ff2 100%); }
.final-cta > span { color: rgba(2,12,25,.65); text-transform: uppercase; letter-spacing: .16em; font-size: .7rem; font-weight: 800; }
.final-cta h2 { margin: 18px 0 34px; color: #03101c; }
.final-cta em { background: none; color: white; }
.button-light { background: #f8fbff; color: #04101c; box-shadow: 0 16px 45px rgba(5,8,18,.2); }
footer { min-height: 180px; width: min(var(--max), calc(100% - 48px)); margin: auto; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 30px; color: #8d9bb0; font-size: .72rem; }
footer p { margin: 0; text-align: center; text-transform: uppercase; letter-spacing: .07em; }
footer p span { color: #66758c; }
.copyright { justify-self: end; }
.footer-brand { color: white; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 980px) {
  .site-header { grid-template-columns: auto 1fr auto; padding-inline: 22px; }
  .header-cta { display: none; }
  .menu-toggle { justify-self: end; display: grid; gap: 6px; width: 42px; height: 42px; place-content: center; border: 1px solid var(--line); border-radius: 50%; background: rgba(5,8,18,.55); }
  .menu-toggle span { width: 17px; height: 1px; background: white; transition: transform .2s; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .main-nav { position: fixed; inset: 70px 0 0; display: flex; flex-direction: column; align-items: flex-start; padding: 42px 24px; background: rgba(5,8,18,.98); transform: translateX(100%); visibility: hidden; transition: transform .3s, visibility .3s; }
  .main-nav.open { transform: none; visibility: visible; }
  .main-nav a { font: 600 1.7rem "Space Grotesk"; }
  .hero { grid-template-columns: 1fr; align-items: end; gap: 0; min-height: 920px; padding-top: 130px; }
  .hero-overlay { background: linear-gradient(0deg, rgba(5,8,18,.99) 0%, rgba(5,8,18,.58) 62%, rgba(5,8,18,.42) 100%); }
  .qr-card { position: absolute; right: 24px; bottom: 80px; width: 200px; transform: scale(.75); transform-origin: right bottom; }
  .hero-content { align-self: end; }
  .institution { margin-top: 50px; }
  .video-control { display: none; }
  .manifesto-grid, .section-heading { grid-template-columns: 1fr; gap: 34px; }
  .demo-stage { grid-template-columns: 1fr; }
  .demo-copy { min-height: 280px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 680px) {
  .section { width: min(100% - 34px, var(--max)); padding-block: 84px; }
  .site-header { height: 68px; }
  .brand { font-size: .87rem; }
  .hero { min-height: 100svh; padding: 115px 18px 42px; align-items: end; }
  .hero-media iframe { opacity: .62; }
  .hero h1 { font-size: clamp(3.2rem, 16vw, 5.1rem); margin-top: 18px; }
  .hero-content > p { font-size: .96rem; line-height: 1.65; }
  .hero-actions { display: grid; grid-template-columns: 1fr; width: 100%; }
  .button { width: 100%; }
  .qr-card { display: none; }
  .institution { margin-top: 38px; }
  .manifesto-grid { margin-bottom: 46px; }
  h2 { font-size: clamp(2.45rem, 12vw, 4rem); }
  .demo-stage { min-height: 0; }
  .demo-copy { min-height: 240px; padding: 28px; }
  .video-poster { min-height: 250px; }
  .steps-list { grid-template-columns: 1fr; gap: 10px; }
  .step { min-height: 245px; border-width: 1px; border-radius: 18px !important; }
  .step-icon { margin-top: 26px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 275px; }
  .ai-section { width: calc(100% - 24px); min-height: 600px; padding-block: 70px; }
  .ai-orbit { width: 380px; height: 380px; }
  .final-cta { width: 100%; padding: 92px 20px; margin-top: 70px; }
  footer { width: calc(100% - 34px); padding: 44px 0; grid-template-columns: 1fr; text-align: center; }
  .footer-brand, .copyright { justify-self: center; }
}

@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; }
}