:root {
  color-scheme: dark;
  --bg: #050a10;
  --ink: #f3f4f6;
  --muted: #cbd5e1;
  --accent: #7dd3fc;
  --accent-on: #04111b;
  --border: rgba(148, 163, 184, 0.2);
  --card: rgba(15, 23, 42, 0.85);
  --max-width: 960px;
  --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, Helvetica, Arial, sans-serif;
  --focus-outline: 2px solid var(--accent);
  --focus-offset: 3px;
}

* {
  box-sizing: border-box;
}

html {
  height: 100%;
}

body {
  margin: 0;
  min-height: 100%;
  background: radial-gradient(circle at 20% 20%, rgba(125, 211, 252, 0.18), transparent 55%),
              radial-gradient(circle at 80% 10%, rgba(14, 165, 233, 0.12), transparent 50%),
              var(--bg);
  color: var(--ink);
  font-family: var(--font-stack);
  line-height: 1.65;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover,
a:focus {
  text-decoration: underline;
}

a:focus-visible,
button:focus-visible {
  outline: var(--focus-outline);
  outline-offset: var(--focus-offset);
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 16px;
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: var(--accent-on);
  border-radius: 999px;
  font-weight: 600;
  transition: top 0.25s ease;
  z-index: 1000;
}

.skip-link:focus {
  top: 16px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(5, 10, 16, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem clamp(1rem, 4vw, 2.5rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.logo:hover,
.logo:focus {
  text-decoration: none;
}

.header-nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.header-nav a {
  font-weight: 600;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.header-nav a:hover,
.header-nav a:focus-visible {
  border-color: rgba(125, 211, 252, 0.5);
  background-color: rgba(125, 211, 252, 0.12);
}

.policy {
  flex: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 4rem) clamp(1.25rem, 5vw, 3rem) clamp(3rem, 6vw, 5rem);
  display: flex;
  flex-direction: column;
  gap: clamp(2.5rem, 5vw, 3.5rem);
}

.policy p,
.policy li {
  max-width: 72ch;
}

.policy-hero {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.eyebrow {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted);
  margin: 0;
}

.policy-hero h1 {
  margin: 0;
  font-size: clamp(2.1rem, 4vw, 2.9rem);
}

.policy-hero .lede {
  font-size: 1.125rem;
  color: var(--muted);
  margin: 0;
}

.updated {
  margin: 0;
  font-size: 0.95rem;
  color: rgba(203, 213, 225, 0.85);
}

.policy-section {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.policy-section h2 {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2rem);
}

.policy-section ul {
  margin: 0;
  padding-left: 1.25rem;
  display: grid;
  gap: 0.75rem;
}

.card,
.card-grid article {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: clamp(1.25rem, 3vw, 1.75rem);
  box-shadow: 0 18px 32px rgba(2, 6, 23, 0.4);
}

.card-grid {
  display: grid;
  gap: clamp(1rem, 2vw, 1.5rem);
}

.card-grid article h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
}

.card-grid article p {
  margin: 0;
}

.note {
  margin: 0;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--border);
  background: rgba(5, 10, 16, 0.88);
  padding: 2rem clamp(1rem, 4vw, 2.5rem);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  text-align: center;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  justify-content: center;
  font-weight: 600;
}

@media (max-width: 640px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .header-nav {
    width: 100%;
  }

  .header-nav a {
    flex: 1 1 auto;
    text-align: center;
  }

  .footer-inner {
    align-items: flex-start;
    text-align: left;
  }

  .footer-nav {
    justify-content: flex-start;
  }
}

@media (min-width: 768px) {
  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}