:root {
  --bg: #0b0d12;
  --bg-elevated: #12151d;
  --border: #232838;
  --text: #e8eaf0;
  --text-muted: #9aa3b5;
  --accent: #7c9cff;
  --accent-strong: #a7bcff;
  --focus: #ffd166;
  --radius: 14px;
  --max: 68rem;
  color-scheme: dark;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  font-family:
    ui-sans-serif,
    system-ui,
    -apple-system,
    'Segoe UI',
    Roboto,
    'Helvetica Neue',
    Arial,
    sans-serif;
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--text);
  background:
    radial-gradient(60rem 30rem at 50% -10rem, rgba(124, 156, 255, 0.18), transparent 60%),
    var(--bg);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent-strong);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  color: #fff;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  padding: 0.5rem 0.75rem;
  background: var(--accent);
  color: #0b0d12;
  border-radius: 8px;
  z-index: 10;
}

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

.site-header,
main,
.site-footer {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  color: var(--text);
  text-decoration: none;
}

.brand-mark {
  width: 1.6rem;
  height: 1.6rem;
  fill: none;
  stroke: var(--accent);
  stroke-width: 2.5;
}

.site-header nav ul {
  display: flex;
  gap: 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-header nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
}

.site-header nav a:hover {
  color: var(--text);
}

.hero {
  padding-block: clamp(3rem, 10vw, 7rem) clamp(2.5rem, 6vw, 4rem);
  max-width: 46rem;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.8rem;
}

h1 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 5.5vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.lede {
  margin: 0 0 1.75rem;
  color: var(--text-muted);
  font-size: 1.15rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.button {
  display: inline-block;
  padding: 0.7rem 1.2rem;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
}

.button-primary {
  background: var(--accent);
  color: #0b0d12;
}

.button-primary:hover {
  background: var(--accent-strong);
  color: #0b0d12;
}

.button-ghost {
  border-color: var(--border);
  color: var(--text);
}

.button-ghost:hover {
  border-color: var(--accent);
}

.section {
  padding-block: 2.5rem;
  border-top: 1px solid var(--border);
}

h2 {
  margin: 0 0 1.25rem;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-weight: 600;
}

h3 {
  margin: 0 0 0.5rem;
  font-size: 1.35rem;
  letter-spacing: -0.01em;
}

.card {
  padding: 1.5rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.badge {
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  background: rgba(124, 156, 255, 0.15);
  color: var(--accent-strong);
  font-size: 0.8rem;
  font-weight: 600;
}

.card p {
  margin: 0.5rem 0 0;
  color: var(--text-muted);
}

.facts {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
  color: var(--text-muted);
}

.facts li + li {
  margin-top: 0.25rem;
}

.card-links {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-top: 1.25rem;
}

.columns {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
}

.columns p {
  margin: 0;
  color: var(--text-muted);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-block: 2rem 2.5rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.95rem;
}

.site-footer p {
  margin: 0;
}