:root {
  --bg: #02071e;
  --bg-2: #060e2b;
  --card: #08123a;
  --ink: #eaf0ff;
  --ink-2: #9aa8c7;
  --line: #16224d;
  --teal: #5eead4;
  --blue: #5aa9f5;
  --purple: #a78bfa;
  --grad: linear-gradient(90deg, #5eead4 0%, #5aa9f5 50%, #a78bfa 100%);
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --max: 1080px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.65 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 16px; background: var(--ink); color: var(--bg); padding: 8px 12px; z-index: 10; }

header.site { position: sticky; top: 0; z-index: 5; background: rgba(2,7,30,.82); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 650; font-size: 18px; letter-spacing: -0.01em; text-decoration: none; }
.brand img { width: 34px; height: 34px; border-radius: 8px; display: block; }
nav.main { display: flex; gap: 28px; font-size: 15px; }
nav.main a { text-decoration: none; color: var(--ink-2); }
nav.main a:hover { color: var(--ink); }

h1, h2, h3 { margin: 0; letter-spacing: -0.025em; line-height: 1.12; font-weight: 650; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

.hero { position: relative; overflow: hidden; padding: 88px 0 80px; background: radial-gradient(700px 420px at 78% 40%, rgba(90,169,245,.16), transparent 70%), radial-gradient(500px 300px at 90% 70%, rgba(167,139,250,.14), transparent 70%); }
.hero .wrap { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: center; }
h1 { font-size: clamp(38px, 5.6vw, 62px); max-width: 15ch; }
.lede { font-size: clamp(18px, 2vw, 20px); color: var(--ink-2); max-width: 50ch; margin: 24px 0 0; }
.hero-art img { width: 100%; height: auto; display: block; -webkit-mask-image: radial-gradient(closest-side, #000 62%, transparent 100%); mask-image: radial-gradient(closest-side, #000 62%, transparent 100%); }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 36px 0 0; }
.btn { display: inline-block; text-decoration: none; font-weight: 600; font-size: 15px; padding: 12px 22px; border-radius: 10px; background: var(--grad); color: #02071e; border: 1px solid transparent; transition: filter .15s; }
.btn:hover { filter: brightness(1.1); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--blue); filter: none; }

section { padding: 80px 0; border-top: 1px solid var(--line); }
.label { font-size: 13px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--teal); margin: 0 0 28px; }
h2 { font-size: clamp(26px, 3.4vw, 36px); }

.cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cols > div { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 26px; }
.cols h3 { font-size: 20px; margin-bottom: 10px; }
.cols p { color: var(--ink-2); margin: 0; font-size: 16px; }

.product { display: grid; grid-template-columns: 300px 1fr; gap: 40px; align-items: center; text-decoration: none; background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 24px; transition: border-color .15s; }
.product:hover { border-color: var(--blue); }
.product img { width: 100%; height: auto; border-radius: 10px; display: block; }
.product h3 { font-size: 24px; display: flex; align-items: center; gap: 10px; }
.product h3 img { width: 28px; height: 28px; border-radius: 7px; }
.product p { color: var(--ink-2); margin: 10px 0 18px; max-width: 48ch; }
.product .go { font-weight: 600; font-size: 15px; color: var(--teal); }
.host { font-size: 14px; color: var(--ink-2); margin-top: 18px; }
.more { color: var(--ink-2); font-size: 15px; margin: 22px 0 0; }

.about { display: grid; grid-template-columns: 1fr 1.4fr; gap: 56px; }
.about p { color: var(--ink-2); margin: 0 0 16px; max-width: 56ch; }
.about p:last-child { margin: 0; }

.contact { background: var(--bg-2); }
.contact a.mail { display: inline-block; font-size: clamp(22px, 3vw, 30px); font-weight: 600; letter-spacing: -0.02em; margin-top: 18px; text-decoration: none; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; border-bottom: 1px solid var(--blue); }
.contact p { color: var(--ink-2); margin: 14px 0 0; max-width: 46ch; }

footer.site { border-top: 1px solid var(--line); padding: 26px 0; color: var(--ink-2); font-size: 14px; }
footer.site .wrap { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
footer.site a { text-decoration: none; }
footer.site a:hover { color: var(--ink); }

:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; }

@media (max-width: 860px) {
  .hero { padding: 56px 0 48px; }
  .hero .wrap { grid-template-columns: 1fr; gap: 12px; }
  .hero-art { order: -1; max-width: 360px; margin: 0 auto; }
  section { padding: 56px 0; }
  .product { grid-template-columns: 1fr; gap: 22px; padding: 18px; }
  .about { grid-template-columns: 1fr; gap: 20px; }
  .cols { grid-template-columns: 1fr; }
  nav.main a:nth-child(-n+3) { display: none; }
}