:root {
  color-scheme: dark;
  --bg: #080b12;
  --panel: #101624;
  --panel-strong: #151f33;
  --text: #f4f7fb;
  --muted: #a9b5c7;
  --line: rgba(255, 255, 255, 0.12);
  --accent: #7dd3fc;
  --accent-2: #f0abfc;
  --warm: #facc15;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(125, 211, 252, 0.18), transparent 36rem),
    radial-gradient(circle at bottom right, rgba(240, 171, 252, 0.14), transparent 34rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 1rem;
  background: var(--accent);
  color: #04111d;
  padding: 0.7rem 1rem;
  z-index: 20;
}

.skip-link:focus {
  left: 1rem;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.1rem clamp(1rem, 4vw, 4rem);
  border-bottom: 1px solid var(--line);
  background: rgba(8, 11, 18, 0.82);
  backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  color: var(--text);
  font-weight: 800;
  text-decoration: none;
  font-size: 1.25rem;
  letter-spacing: 0;
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.85rem;
  color: var(--muted);
  font-size: 0.95rem;
}

nav a,
footer a {
  text-decoration: none;
}

nav a:hover,
footer a:hover {
  color: var(--accent);
}

main {
  min-height: 70vh;
}

.hero,
.band,
.split {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.hero {
  padding: clamp(5rem, 12vw, 9rem) 0 clamp(3rem, 7vw, 6rem);
}

.hero.compact {
  padding-bottom: 2rem;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  letter-spacing: 0;
}

h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(2.8rem, 8vw, 6.2rem);
  line-height: 0.95;
}

h2 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.05;
}

h3 {
  margin: 0 0 0.7rem;
  font-size: 1.25rem;
}

.lede {
  max-width: 760px;
  margin: 1.5rem 0 0;
  color: var(--muted);
  font-size: clamp(1.1rem, 2.2vw, 1.45rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.85rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--line);
  text-decoration: none;
  font-weight: 800;
}

.button.primary {
  background: var(--accent);
  color: #04111d;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

.band {
  padding: clamp(2rem, 6vw, 4rem) 0;
  border-top: 1px solid var(--line);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.5fr) minmax(0, 1fr);
  gap: 2rem;
  align-items: start;
  margin-bottom: 1.5rem;
}

.grid {
  display: grid;
  gap: 1rem;
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, var(--panel-strong), var(--panel));
}

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

.card ul,
.card ol {
  padding-left: 1.25rem;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(1.5rem, 5vw, 4rem);
  padding: clamp(2rem, 6vw, 4rem) 0;
  border-top: 1px solid var(--line);
}

.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.pill-list span {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  padding: 0.65rem 0.9rem;
  color: var(--muted);
}

footer {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

@media (max-width: 760px) {
  .site-header,
  .section-heading,
  .split {
    display: block;
  }

  nav {
    justify-content: flex-start;
    margin-top: 0.8rem;
  }

  .grid.two,
  .grid.three {
    grid-template-columns: 1fr;
  }
}