:root {
  color-scheme: dark;
  --bg: #060713;
  --bg-soft: #0c1025;
  --card: rgba(17, 22, 50, 0.78);
  --text: #f5f7ff;
  --muted: #aeb7d8;
  --purple: #a855f7;
  --blue: #38bdf8;
  --cyan: #67e8f9;
  --line: rgba(148, 163, 255, 0.18);
  --container: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.7;
  background:
    radial-gradient(circle at 12% 8%, rgba(168, 85, 247, 0.16), transparent 31%),
    radial-gradient(circle at 88% 18%, rgba(56, 189, 248, 0.12), transparent 28%),
    linear-gradient(180deg, #070918 0%, #070a18 48%, #050611 100%);
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--cyan); }

:focus-visible {
  outline: 3px solid rgba(103, 232, 249, 0.72);
  outline-offset: 4px;
}

.container {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 10px 16px;
  border-radius: 12px;
  color: #080a18;
  background: white;
  transform: translateY(-150%);
}

.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(6, 7, 19, 0.84);
  backdrop-filter: blur(18px);
}

.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.brand-mark {
  width: 32px;
  height: 32px;
  position: relative;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--purple), var(--blue));
  box-shadow: 0 0 25px rgba(168, 85, 247, 0.5);
}

.brand-mark::after {
  content: "";
  position: absolute;
  inset: 9px -5px;
  border: 1.5px solid rgba(255, 255, 255, 0.75);
  border-radius: 50%;
  transform: rotate(-22deg);
}

.nav { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.nav a { padding: 8px 11px; border-radius: 10px; color: var(--muted); font-size: 0.9rem; }
.nav a[aria-current="page"], .nav a:hover { color: var(--text); background: rgba(255, 255, 255, 0.06); }

.page-hero { padding: 74px 0 42px; }

.eyebrow {
  margin: 0 0 15px;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

h1, h2, h3 { line-height: 1.14; letter-spacing: -0.04em; }
h1 { max-width: 900px; margin: 0 0 20px; font-size: clamp(2.5rem, 7vw, 5rem); }
h2 { margin: 42px 0 14px; font-size: clamp(1.55rem, 4vw, 2.5rem); }
h3 { margin: 0 0 10px; font-size: 1.3rem; }

.lead { max-width: 760px; margin: 0; color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.25rem); }

.meta {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--muted);
  font-size: 0.88rem;
}

.meta span { padding: 7px 11px; border: 1px solid var(--line); border-radius: 999px; }

.content-section { padding: 20px 0 64px; }

.prose {
  max-width: 800px;
  font-size: 1.04rem;
}

.prose p, .prose ul { color: #c7cdea; }
.prose strong { color: var(--text); }
.prose a { color: var(--cyan); text-decoration: underline; text-underline-offset: 3px; }
.prose li + li { margin-top: 8px; }

.note {
  margin: 28px 0;
  padding: 20px 22px;
  border: 1px solid rgba(103, 232, 249, 0.24);
  border-radius: 18px;
  color: #d7e7ff;
  background: rgba(103, 232, 249, 0.06);
}

.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  padding-bottom: 70px;
}

.card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: linear-gradient(145deg, rgba(23, 29, 64, 0.82), rgba(11, 14, 34, 0.76));
  box-shadow: 0 20px 55px rgba(2, 6, 23, 0.28);
}

.card p { margin: 0 0 16px; color: var(--muted); }
.card-link { display: inline-flex; align-items: center; gap: 8px; color: var(--cyan); font-weight: 750; }
.card-link::after { content: "→"; }

.preference-button {
  min-height: 44px;
  margin-top: 10px;
  padding: 10px 16px;
  border: 1px solid rgba(103, 232, 249, 0.35);
  border-radius: 12px;
  color: var(--cyan);
  background: rgba(103, 232, 249, 0.07);
  font: inherit;
  font-weight: 750;
  cursor: pointer;
}

.preference-button:hover { background: rgba(103, 232, 249, 0.13); }

.sources {
  margin-top: 46px;
  padding-top: 25px;
  border-top: 1px solid var(--line);
}

.sources h2 { margin-top: 0; font-size: 1.35rem; }
.sources li { color: var(--muted); }

.breadcrumbs { padding-top: 28px; color: var(--muted); font-size: 0.9rem; }
.breadcrumbs a { color: var(--cyan); }

.site-footer {
  margin-top: 45px;
  border-top: 1px solid var(--line);
  background: rgba(3, 5, 15, 0.56);
}

.footer-inner {
  min-height: 125px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 18px; }

@media (max-width: 760px) {
  .header-inner { min-height: auto; padding: 14px 0; align-items: flex-start; flex-direction: column; gap: 10px; }
  .nav { margin-left: -8px; }
  .page-hero { padding-top: 52px; }
  .cards { grid-template-columns: 1fr; }
  .footer-inner { padding: 28px 0; flex-direction: column; align-items: flex-start; }
  .footer-links { justify-content: flex-start; }
}

@media (max-width: 430px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .nav a { padding: 7px 8px; font-size: 0.84rem; }
  .card { padding: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}