:root {
  --ink: #07162f;
  --navy: #06132b;
  --blue: #185cff;
  --blue-dark: #0f43c8;
  --sky: #eaf2ff;
  --line: #dbe5f2;
  --muted: #61718d;
  --paper: #f6f9fd;
  --card: #ffffff;
  --shadow: 0 18px 50px rgba(29, 66, 126, .10);
  --radius: 24px;
  --max: 1240px;
  --pointer-x: 50vw;
  --pointer-y: 34vh;
  --pointer-opacity: 0;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: radial-gradient(circle at 8% 0%, rgba(216, 232, 255, .72), transparent 30%), linear-gradient(180deg, #fff 0%, #f5f9ff 54%, #edf4ff 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  overflow-x: hidden;
  isolation: isolate;
}
body::before { content: ""; position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: var(--pointer-opacity); background: radial-gradient(560px circle at var(--pointer-x) var(--pointer-y), rgba(61, 131, 255, .20) 0%, rgba(61, 131, 255, .09) 30%, transparent 70%), radial-gradient(220px circle at var(--pointer-x) var(--pointer-y), rgba(255, 255, 255, .45) 0%, transparent 72%); transition: opacity .35s ease; will-change: background, opacity; }
body > main, body > footer { position: relative; z-index: 1; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }
:focus-visible { outline: 3px solid rgba(24, 92, 255, .45); outline-offset: 3px; }
.wrap { width: min(var(--max), calc(100% - 48px)); margin: 0 auto; }
.skip-link { position: absolute; left: 16px; top: -80px; z-index: 100; padding: 10px 14px; border-radius: 10px; background: var(--blue); color: #fff; font-weight: 800; }
.skip-link:focus { top: 16px; }

/* Shared navigation. */
.nav { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid rgba(211, 224, 243, .9); background: rgba(255, 255, 255, .88); backdrop-filter: blur(18px); }
.navin { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; overflow: hidden; padding: 0; border: 0; border-radius: 8px; background: transparent; box-shadow: none; isolation: isolate; }
.brand img { width: 170px; height: auto; }
.brand img { mix-blend-mode: multiply; }
.links { display: flex; gap: 28px; color: #344663; font-size: 14px; }
.links a, .mobile a { position: relative; }
.links a { padding: 10px 0; }
.links a::after { content: ""; position: absolute; right: 0; bottom: 3px; left: 0; height: 2px; border-radius: 2px; background: var(--blue); transform: scaleX(0); transform-origin: right; transition: transform .2s ease; }
.links a:hover::after, .links a[aria-current="page"]::after { transform: scaleX(1); transform-origin: left; }
.links a:hover, .links a[aria-current="page"] { color: var(--blue); }
.actions { display: flex; align-items: center; gap: 12px; }
.btn { display: inline-flex; min-height: 46px; align-items: center; justify-content: center; gap: 10px; padding: 0 20px; border: 1px solid var(--line); border-radius: 999px; font-size: 14px; font-weight: 800; white-space: nowrap; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn.primary { border-color: var(--blue); background: var(--blue); color: #fff; box-shadow: 0 10px 24px rgba(24, 92, 255, .22); }
.btn.primary:hover { background: var(--blue-dark); box-shadow: 0 14px 30px rgba(24, 92, 255, .3); }
.btn.secondary { background: #fff; color: var(--ink); }
.menu { display: none; width: 46px; height: 46px; align-items: center; justify-content: center; border: 1px solid var(--line); border-radius: 50%; background: #fff; color: var(--blue); cursor: pointer; font-size: 20px; }
.mobile { display: none; padding: 12px 0 16px; }
.mobile.open { display: block; }
.mobile a { display: block; padding: 13px 0; border-bottom: 1px solid var(--line); font-size: 15px; }

/* Hero and section primitives. */
.hero { position: relative; min-height: 720px; display: flex; align-items: center; overflow: hidden; border-radius: 0 0 36px 36px; background: #edf4ff; }
.hero-bg { position: absolute; inset: 0; z-index: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero::after { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(90deg, rgba(255, 255, 255, .99), rgba(255, 255, 255, .9) 36%, rgba(255, 255, 255, .45) 59%, rgba(255, 255, 255, 0) 82%); }
.hero > .wrap { position: relative; z-index: 2; }
.hero-copy { width: min(680px, 100%); padding: 118px 0 125px; }
.kicker, .eyebrow { color: var(--blue); font-size: 12px; font-weight: 850; letter-spacing: .18em; text-transform: uppercase; }
.hero h1, .hero-page h1 { margin: 16px 0 24px; font-size: clamp(46px, 5.8vw, 78px); line-height: .98; letter-spacing: -.055em; }
.hero h1 span { color: var(--blue); }
.hero p { max-width: 610px; margin: 0 0 30px; color: #3e4e69; font-size: 18px; }
.hero-buttons { display: flex; flex-wrap: wrap; gap: 12px; }
.scrollhint { display: flex; align-items: center; gap: 12px; margin-top: 48px; color: #53627d; font-size: 12px; }
.scrollhint i { display: block; width: 1px; height: 48px; background: #91a9cd; }
.section { padding: 86px 0; background: radial-gradient(circle at 50% 20%, rgba(231, 241, 255, .55), transparent 58%); }
.section-sm { padding: 58px 0; }
.grid2, .split { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 28px; }
.section-head h2 { margin: 8px 0 0; font-size: clamp(34px, 4vw, 54px); line-height: 1.04; letter-spacing: -.04em; }
.section-head p, .copy { color: var(--muted); }
.section-head p { max-width: 540px; margin: 0; }
.card { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); box-shadow: var(--shadow); }
.soft { background: linear-gradient(145deg, #fff, #f0f6ff); }
.padded { padding: 32px; }
.approach .card { min-height: 260px; }
.approach h3 { margin: 16px 0; font-size: 30px; line-height: 1.04; }
.link { display: inline-flex; gap: 10px; margin-top: 15px; color: var(--blue); font-size: 14px; font-weight: 800; }

/* Content modules. */
.feature { display: grid; grid-template-columns: 1fr 1.4fr; min-height: 440px; }
.feature-copy { padding: 46px; }
.feature-media { position: relative; min-height: 440px; background: #dce7f7; }
.feature-media img, .media-large img, .darkpanel img { width: 100%; height: 100%; object-fit: cover; }
.feature-media .overlay { position: absolute; right: 24px; bottom: 24px; width: min(310px, 72%); padding: 20px; border: 1px solid rgba(255, 255, 255, .28); border-radius: 18px; background: rgba(5, 17, 42, .84); color: #fff; backdrop-filter: blur(10px); }
.overlay strong { display: block; margin: 2px 0 4px; font-size: 18px; }
.focus { align-items: start; }
.focus > article { position: relative; align-self: start; overflow: hidden; transition: box-shadow .35s ease, transform .35s cubic-bezier(.2,.75,.25,1); }
.focus > article::after { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(255,255,255,.22), transparent 34%); transition: opacity .3s ease; }
.focus > article:hover { box-shadow: 0 24px 58px rgba(29, 66, 126, .18); transform: translateY(-7px); }
.focus > article:hover::after { opacity: 1; }
.focus img { width: 100%; height: 230px; object-fit: cover; object-position: center; }
.focus-humanoid { height: auto; }
.humanoid-visual { height: 230px; overflow: hidden; background: linear-gradient(135deg, #f7fbff, #dfeeff); }
.humanoid-visual > img { display: block; width: 100%; height: 100%; max-width: none; object-fit: cover; object-position: 68% center; }
.focus .body, .humanoid-overlay { min-height: 275px; display: flex; flex-direction: column; align-items: flex-start; padding: 28px !important; border-top: 0; background: #fff; }
.humanoid-overlay .num { margin-bottom: 5px; }
.humanoid-overlay h3 { margin: 0 0 8px; font-size: 22px; }
.humanoid-overlay p { margin: 0; color: var(--muted); }
.focus .body .link, .humanoid-overlay .link { margin-top: auto; }
.focus h3 { margin: 9px 0 8px; font-size: 22px; }
.focus > article img { transition: transform .65s cubic-bezier(.2,.75,.25,1); }
.focus > article:hover img { transform: scale(1.045); }
.num { color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: .1em; }
.techbar { display: grid; grid-template-columns: repeat(6, 1fr); overflow: hidden; border: 1px solid var(--line); border-radius: 20px; background: #fff; box-shadow: var(--shadow); }
.techbar div { padding: 22px 18px; border-right: 1px solid var(--line); font-size: 13px; font-weight: 700; }
.techbar div:last-child { border-right: 0; }
.techicon { display: block; margin-bottom: 8px; color: var(--blue); font-size: 20px; }
.media-large { position: relative; height: clamp(360px, 38vw, 520px); min-height: 0; border-radius: 28px; }
.media-large img { position: absolute; inset: 0; }
.darkpanel { overflow: hidden; border-radius: 28px; background: var(--navy); color: #fff; box-shadow: 0 24px 60px rgba(6, 19, 43, .16); }
.darkpanel.split { min-height: 480px; align-items: stretch; }
.darkcopy { display: flex; flex-direction: column; justify-content: center; padding: 48px; }
.darkcopy h2 { margin: 12px 0 18px; font-size: clamp(32px, 3.4vw, 52px); line-height: 1.02; letter-spacing: -.04em; }
.darkcopy p { max-width: 540px; margin: 0; color: #c5d2e7; font-size: 17px; }
.darkpanel.split > img { min-height: 0 !important; height: 100%; object-fit: cover; }
.tagrow { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.tag { padding: 8px 12px; border: 1px solid #cfe0fb; border-radius: 999px; background: #fff; color: #4b5f80; font-size: 12px; }
.tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.tab { padding: 9px 14px; border: 1px solid var(--line); border-radius: 999px; color: #51637f; font-size: 13px; }
.tab.active { border-color: var(--blue); background: var(--blue); color: #fff; }
.hero-page { padding: 78px 0 48px; background: radial-gradient(circle at 86% 15%, rgba(211, 229, 255, .72), transparent 42%), linear-gradient(180deg, #fff, #f1f6fd); }
.hero-page h1 { max-width: 900px; }
.hero-page p { max-width: 760px; margin: 0; color: var(--muted); font-size: 18px; }
.crumb { color: #6680a7; font-size: 13px; }
.crumb span { color: var(--blue); }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.metric { min-width: 0; padding: 24px 20px; }
.metric strong { display: block; font-size: 42px; line-height: 1; letter-spacing: -.04em; }
.metric span { display: block; color: var(--muted); font-size: 14px; line-height: 1.45; }
.quote { font-size: clamp(27px, 3vw, 40px); line-height: 1.12; letter-spacing: -.03em; }
.research-card img { width: 100%; height: 210px; object-fit: cover; }
.research-card .body { padding: 20px; }
.about-banner { position: relative; overflow: hidden; padding: 46px; border-radius: 28px; background: linear-gradient(110deg, #e9f2ff, #d9e8ff 55%, #c8ddff); }
.about-banner::after { content: ""; position: absolute; right: -130px; bottom: -180px; width: 500px; height: 500px; border: 1px solid rgba(24, 92, 255, .18); border-radius: 50%; box-shadow: 0 0 0 60px rgba(24, 92, 255, .04), 0 0 0 120px rgba(24, 92, 255, .03); }
.founder-grid { display: grid; grid-template-columns: minmax(320px, 1fr) minmax(300px, 1fr); gap: 28px; align-items: stretch; }
.founder-card { overflow: hidden; }
.founder-photo { height: 430px; overflow: hidden; background: linear-gradient(145deg, #edf4ff, #fff); }
.founder-photo img { width: 100%; height: 100%; object-fit: cover; object-position: center 18%; }
.founder-note { display: flex; flex-direction: column; justify-content: center; padding: 34px 10px 34px 30px; }
.founder-note h2 { max-width: 620px; margin: 10px 0 18px; }

/* Pointer-responsive depth for a quiet, premium interaction. */
.interactive { transform: perspective(1100px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)); }
.interactive:hover { transform: perspective(1100px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)) translateY(-5px); }
.focus > article.interactive:hover { transform: perspective(1100px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)) translateY(-7px); }

/* Contact and footer. */
.contact-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 26px; }
.form { padding: 34px; }
.form label { display: block; margin-bottom: 7px; color: #4e5e78; font-size: 12px; font-weight: 800; }
.form input, .form textarea, .form select { width: 100%; margin-bottom: 16px; padding: 13px 14px; border: 1px solid var(--line); border-radius: 13px; outline: none; background: #fff; }
.form input:focus, .form textarea:focus, .form select:focus { border-color: #8eb1ff; box-shadow: 0 0 0 4px rgba(24, 92, 255, .08); }
.form textarea { min-height: 150px; resize: vertical; }
.form-status { min-height: 1.6em; margin: 14px 0 0; color: var(--blue-dark); font-size: 13px; }
.footer { margin-top: 40px; padding: 64px 0 28px; border-top: 1px solid var(--line); background: #fff; }
.footergrid { display: grid; grid-template-columns: 1.4fr .8fr .8fr .95fr; gap: 28px; }
.footer p { max-width: 360px; color: var(--muted); }
.footer h4 { margin: 0 0 14px; }
.footer a { display: block; margin: 9px 0; color: #60708a; font-size: 14px; }
.footbottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 36px; padding-top: 18px; border-top: 1px solid var(--line); color: #7a889f; font-size: 12px; }

/* Motion and responsive behavior. */
.reveal { opacity: 1; transform: none; }
.social-dock { display: none !important; }
@media (prefers-reduced-motion: no-preference) {
  .reveal { animation: rise .65s ease both; }
  .reveal:nth-child(2) { animation-delay: .08s; }
  .reveal:nth-child(3) { animation-delay: .16s; }
  @keyframes rise { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
}
@media (prefers-reduced-motion: reduce), (pointer: coarse) {
  body::before { display: none; }
}
@media (max-width: 1080px) {
  .links { gap: 20px; }
  .actions .navhide { display: none; }
  .menu { display: flex; }
  .feature { grid-template-columns: 1fr; }
  .feature-media { min-height: 380px; }
  .grid3 { grid-template-columns: 1fr 1fr; }
  .techbar { grid-template-columns: repeat(3, 1fr); }
  .footergrid { grid-template-columns: 1fr 1fr; }
  .split, .contact-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 700px) {
  .wrap { width: min(var(--max), calc(100% - 28px)); }
  .navin { min-height: 76px; }
  .brand img { width: 150px; }
  .links { display: none; }
  .actions { margin-left: auto; }
  .hero { min-height: 680px; align-items: flex-start; border-radius: 0 0 26px 26px; }
  .hero-bg { object-position: 64% center; }
  .hero::after { background: linear-gradient(180deg, rgba(255,255,255,.22) 0%, rgba(255,255,255,.64) 42%, rgba(255,255,255,.97) 72%, rgba(255,255,255,.99) 100%); }
  .hero > .wrap { width: 100%; padding: 0 22px; }
  .hero-copy { width: 100%; padding: 92px 0 60px; }
  .hero h1 { font-size: clamp(40px, 11vw, 54px); }
  .hero p, .hero-page p { font-size: 16px; }
  .hero-buttons { gap: 10px; }
  .hero-buttons .btn { min-height: 48px; }
  .scrollhint { margin-top: 40px; }
  .grid2, .grid3, .stats { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
  .section-sm { padding: 44px 0; }
  .section-head { display: block; }
  .section-head h2 { font-size: 38px; }
  .section-head p { margin-top: 16px; }
  .focus .body, .humanoid-overlay { min-height: 0; padding: 26px !important; }
  .feature-copy { padding: 30px; }
  .feature-media { min-height: 310px; }
  .feature-media .overlay { right: 16px; bottom: 16px; width: calc(100% - 32px); }
  .techbar { grid-template-columns: 1fr 1fr; }
  .techbar div { padding: 17px 14px; font-size: 12px; }
  .media-large { min-height: 360px; }
  .darkpanel.split { min-height: 0; }
  .darkcopy { padding: 32px 28px; }
  .hero-page { padding: 58px 0 38px; }
  .about-banner { padding: 30px; }
  .founder-grid { grid-template-columns: 1fr; }
  .founder-photo { height: 420px; }
  .founder-note { padding: 10px 4px 20px; }
  .footer { padding: 52px 0 24px; }
  .footergrid { grid-template-columns: 1fr; gap: 34px; }
  .footbottom { display: block; }
  .footbottom span { display: block; margin: 6px 0; }
  .padded { padding: 26px; }
}
@media (max-width: 420px) {
  .brand img { width: 142px; }
  .menu { width: 44px; height: 44px; }
  .hero-copy { padding-top: 74px; padding-bottom: 48px; }
  .hero h1 { font-size: 39px; }
  .hero-buttons .btn { width: 100%; }
}