style.css

:root {
  color-scheme: dark;
  --bg: #08090d;
  --surface: rgba(255, 255, 255, 0.045);
  --surface-strong: rgba(255, 255, 255, 0.075);
  --text: #f5f7fb;
  --muted: #a6adbb;
  --line: rgba(255, 255, 255, 0.12);
  --violet: #9d63ff;
  --cyan: #55e8ff;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 82% 2%, rgba(85, 232, 255, 0.11), transparent 28rem),
    radial-gradient(circle at 15% 18%, rgba(157, 99, 255, 0.15), transparent 30rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 56px 56px;
  content: "";
  mask-image: linear-gradient(to bottom, black, transparent 75%);
}

.shell {
  width: min(1080px, 100%);
  margin: 0 auto;
  padding: 64px 28px 56px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(280px, 0.88fr);
  gap: 64px;
  align-items: end;
  padding: 0 0 48px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  gap: 24px;
  align-items: center;
}

.brand-mark {
  width: 104px;
  height: 104px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 24px;
  box-shadow: 0 18px 60px rgba(100, 73, 255, 0.18);
}

.eyebrow,
.kicker {
  margin: 0 0 12px;
  color: #c7cbd4;
  font-size: 0.76rem;
  font-weight: 720;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.signal {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 16px var(--cyan);
  vertical-align: 1px;
}

h1 {
  margin: 0;
  font-size: clamp(3.4rem, 8vw, 6.6rem);
  font-weight: 760;
  line-height: 0.86;
  letter-spacing: -0.065em;
}

h2 {
  margin: 0;
  font-size: 1.06rem;
  line-height: 1.35;
}

p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.7;
}

.hero-copy {
  display: grid;
  gap: 18px;
}

.lede {
  max-width: 26ch;
  background: linear-gradient(110deg, #ffffff 15%, #cfc6ff 55%, #8ef0ff);
  background-clip: text;
  color: transparent;
  font-size: clamp(1.3rem, 2.4vw, 1.8rem);
  font-weight: 610;
  line-height: 1.34;
  letter-spacing: -0.025em;
}

.focus-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 18px;
}

.focus-grid article {
  min-height: 214px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  backdrop-filter: blur(16px);
}

.focus-grid article:hover {
  border-color: rgba(157, 99, 255, 0.45);
  background: var(--surface-strong);
}

.focus-grid h2 {
  margin: 42px 0 10px;
}

.number {
  color: var(--violet);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.78rem;
}

.lab {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.8fr);
  gap: 56px;
  align-items: end;
  margin-top: 18px;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background:
    linear-gradient(120deg, rgba(157, 99, 255, 0.1), rgba(85, 232, 255, 0.035)),
    var(--surface);
}

.lab h2 {
  max-width: 31ch;
  font-size: clamp(1.35rem, 2.6vw, 2rem);
  letter-spacing: -0.025em;
}

.hardware {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.hardware span {
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #d8dce5;
  font-size: 0.8rem;
  white-space: nowrap;
}

footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px;
  align-items: end;
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

footer > p:first-child {
  max-width: 58ch;
  color: #dce0e8;
}

.fine-print {
  max-width: 36ch;
  font-size: 0.78rem;
  text-align: right;
}

@media (max-width: 760px) {
  .shell {
    padding: 38px 18px 42px;
  }

  .hero,
  .lab,
  footer {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .focus-grid {
    grid-template-columns: 1fr;
  }

  .focus-grid article {
    min-height: auto;
  }

  .focus-grid h2 {
    margin-top: 26px;
  }

  .hardware {
    justify-content: flex-start;
  }

  .fine-print {
    text-align: left;
  }
}

@media (max-width: 440px) {
  .brand-mark {
    width: 78px;
    height: 78px;
    border-radius: 18px;
  }

  .brand {
    gap: 16px;
  }
}