:root {
  --navy: #0f1420; --navy2: #1a2336; --ink: #141821; --muted: #5d6474; --line: #e3e6ec; --bg: #f5f6f9;
  --red: #ff4d6d; --red2: #ff7a59; --blue: #5b8cff; --sky: #38bdf8;
  --display: 'Space Grotesk', Inter, system-ui, sans-serif;
  --sans: Inter, system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font: 16px/1.65 var(--sans); color: var(--ink); background: var(--bg); }
img { max-width: 100%; display: block; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* nav */
.nav { position: sticky; top: 0; z-index: 10; background: rgba(15, 20, 32, .92); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 12px; color: #fff; }
.brand:hover { text-decoration: none; }
.brand img { width: 34px; height: 34px; border-radius: 9px; }
.brand span { font: 700 15px var(--display); letter-spacing: .22em; text-transform: uppercase; }
.nav ul { list-style: none; display: flex; gap: 26px; margin: 0; padding: 0; }
.nav ul a { color: #c9cfdc; font: 600 14px var(--sans); }
.nav ul a:hover { color: #fff; text-decoration: none; }

/* hero */
.hero { background: radial-gradient(900px 500px at 80% 0%, #24305a 0%, transparent 60%), linear-gradient(180deg, var(--navy) 0%, var(--navy2) 100%); color: #e8eaf0; padding: 96px 0 88px; }
.eyebrow { font: 600 12px var(--display); letter-spacing: .32em; text-transform: uppercase; color: var(--sky); margin: 0 0 18px; }
.hero h1 { font: 700 clamp(34px, 5vw, 58px)/1.08 var(--display); letter-spacing: -.02em; margin: 0 0 22px; max-width: 900px; }
.hero h1 .grad { background: linear-gradient(90deg, #ffffff 0%, #ffd1da 50%, var(--red) 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: 19px; color: #b9c0d0; max-width: 760px; margin: 0 0 34px; }
.btns { display: flex; flex-wrap: wrap; gap: 14px; }
.btn { display: inline-block; padding: 12px 22px; border-radius: 999px; font: 600 15px var(--sans); }
.btn:hover { text-decoration: none; filter: brightness(1.08); }
.btn.primary { background: linear-gradient(90deg, var(--red), var(--red2)); color: #fff; }
.btn.ghost { border: 1px solid #3a4766; color: #e8eaf0; }

/* sections */
section.block { padding: 84px 0; }
section.block.alt { background: #fff; }
h2 { font: 700 clamp(26px, 3.2vw, 36px)/1.15 var(--display); letter-spacing: -.01em; margin: 0 0 14px; }
.sub { color: var(--muted); max-width: 760px; margin: 0 0 40px; font-size: 17px; }
.grid3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 22px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 26px; box-shadow: 0 8px 24px rgba(20, 24, 33, .05); }
section.block.alt .card { background: var(--bg); }
.card h3 { font: 700 18px var(--display); margin: 0 0 8px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.icon { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; margin-bottom: 14px; font-size: 20px;
  background: linear-gradient(135deg, rgba(91, 140, 255, .15), rgba(255, 77, 109, .15)); }

/* feature */
.feature { display: grid; grid-template-columns: 1.05fr 1fr; gap: 44px; align-items: center; }
.feature .shot { border-radius: 16px; overflow: hidden; box-shadow: 0 24px 60px rgba(15, 20, 32, .25); border: 1px solid #263047; }
.tag { display: inline-block; font: 600 11px var(--display); letter-spacing: .2em; text-transform: uppercase; color: var(--red);
  background: rgba(255, 77, 109, .1); padding: 5px 10px; border-radius: 999px; margin-bottom: 14px; }
.ticks { list-style: none; padding: 0; margin: 18px 0 28px; }
.ticks li { padding-left: 26px; position: relative; margin: 8px 0; color: #303644; }
.ticks li::before { content: ''; position: absolute; left: 0; top: .6em; width: 12px; height: 12px; border-radius: 50%;
  background: linear-gradient(135deg, var(--red), var(--blue)); }
.feature .btn.ghost { color: var(--ink); border-color: #c8ccd6; }

/* prose page */
.prose { max-width: 820px; }
.prose h2 { margin-top: 56px; }
.prose h3 { font: 700 20px var(--display); margin: 32px 0 8px; }
.prose p, .prose li { color: #2c3240; }
.formula { font: 15px var(--mono); background: var(--navy); color: #e8eaf0; padding: 18px 22px; border-radius: 12px; overflow-x: auto; }
figure { margin: 34px 0; }
figure img { border-radius: 14px; border: 1px solid var(--line); box-shadow: 0 16px 40px rgba(15, 20, 32, .12); }
figcaption { color: var(--muted); font-size: 14px; margin-top: 10px; }
.results { width: 100%; border-collapse: collapse; margin: 18px 0 8px; font-size: 15px; }
.results th, .results td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.results th { font: 600 12px var(--display); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.note { background: #fff7e8; border: 1px solid #f3dcae; border-radius: 12px; padding: 16px 20px; color: #5b4a24; font-size: 14.5px; }

/* contact + footer */
.contact { text-align: center; }
.contact .sub { margin: 0 auto 26px; }
footer { background: var(--navy); color: #8b93a7; padding: 34px 0; font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }
footer a { color: #c9cfdc; }

@media (max-width: 860px) {
  .feature { grid-template-columns: 1fr; }
  .nav ul { gap: 16px; }
  .nav ul li.hide-sm { display: none; }
  .hero { padding: 72px 0 64px; }
}

/* products */
.products .product { display: flex; flex-direction: column; color: inherit; transition: transform .15s, box-shadow .15s; }
.products .product:hover { text-decoration: none; transform: translateY(-3px); box-shadow: 0 16px 36px rgba(20, 24, 33, .12); }
.products .tag { align-self: flex-start; }
.tag-blue { color: var(--blue); background: rgba(91, 140, 255, .12); }
.kicker { font: 600 14px var(--sans); color: var(--ink) !important; margin: 0 0 10px !important; }
.product .more { margin-top: auto; padding-top: 16px; font: 600 14px var(--sans); color: var(--blue); }
.feature .shot video, video.demo { width: 100%; display: block; background: var(--navy); }
video.demo { border-radius: 14px; border: 1px solid var(--line); box-shadow: 0 16px 40px rgba(15, 20, 32, .12); }
.product .more a { color: var(--blue); }
.products .card.product:not(a):hover { transform: none; }
.publications { margin-top: 26px; font-size: 15px; color: var(--muted); }
.publications li { margin: 6px 0; }

.product h3 a { color: var(--ink); }
.product h3 a:hover { color: var(--blue); text-decoration: none; }
.feature-stack { grid-template-columns: 1fr; gap: 0; }
.feature-stack .sub, .feature-stack .ticks { max-width: 900px; }
.shot-wide { margin-top: 36px; border-radius: 16px; overflow: hidden; box-shadow: 0 24px 60px rgba(15, 20, 32, .25); border: 1px solid #263047; }
.shot-wide video { width: 100%; display: block; background: var(--navy); }