* {
  box-sizing: border-box;
}

:root {
  color-scheme: dark;
  --bg: #050506;
  --panel: rgba(255, 255, 255, 0.045);
  --line: rgba(255, 255, 255, 0.11);
  --muted: rgba(255, 255, 255, 0.66);
  --soft: rgba(255, 255, 255, 0.46);
  --accent: #8064ff;
}

body {
  margin: 0;
  background:
    radial-gradient(ellipse at 50% -10%, rgba(128, 100, 255, 0.22), transparent 42rem),
    radial-gradient(ellipse at 84% 18%, rgba(30, 126, 255, 0.12), transparent 36rem),
    #050506;
  color: #fff;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

.page-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.page-header,
.page-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand img {
  width: 30px;
  height: 30px;
  object-fit: contain;
}

.page-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
  font-size: 13px;
}

.page-nav a:hover {
  color: #fff;
}

.hero-copy {
  padding: 112px 0 78px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent);
  font-family: "Fragment Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 920px;
  margin-bottom: 24px;
  font-size: clamp(48px, 8vw, 104px);
  line-height: 0.95;
  letter-spacing: -0.055em;
}

.lead {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(18px, 2.5vw, 24px);
  line-height: 1.35;
}

.section {
  padding: 68px 0;
  border-top: 1px solid var(--line);
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  gap: 54px;
}

.section h2 {
  font-size: clamp(30px, 4vw, 56px);
  line-height: 1;
  letter-spacing: -0.045em;
}

.section p,
.section li {
  color: var(--muted);
}

.stack {
  display: grid;
  gap: 18px;
}

.note-grid,
.link-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.note,
.link-card {
  min-height: 154px;
  padding: 20px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.note span,
.link-card span {
  display: block;
  margin-bottom: 18px;
  color: var(--soft);
  font-family: "Fragment Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.note h3,
.link-card h3 {
  margin-bottom: 10px;
  font-size: 18px;
  line-height: 1.15;
}

.link-card:hover {
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.07);
}

.fact-list {
  display: grid;
  gap: 10px;
  padding-left: 18px;
}

.cta-band {
  padding: 76px 0 96px;
  text-align: center;
}

.cta-band h2 {
  max-width: 820px;
  margin: 0 auto 18px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  margin-top: 18px;
  padding: 0 22px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 10px;
  background: #fff;
  color: #050506;
  font-weight: 700;
  font-size: 13px;
}

.page-footer {
  align-items: flex-start;
  border-top: 1px solid var(--line);
  color: var(--soft);
  font-size: 12px;
}

@media (max-width: 760px) {
  .page-header,
  .page-footer,
  .section-grid,
  .note-grid,
  .link-grid {
    grid-template-columns: 1fr;
  }

  .page-header,
  .page-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-copy {
    padding: 78px 0 58px;
  }

  .section {
    padding: 48px 0;
  }
}
