:root {
  --ink: oklch(96.35% 0.0073 132.42);
  --ink-dim: oklch(80.78% 0.0228 138.98);
  --line: rgba(241, 244, 239, 0.18);
  --card: rgba(8, 15, 9, 0.62);
  --accent: oklch(82.63% 0.1221 137.67);
  --sand: oklch(82.77% 0.0638 73.81);
  --bg: oklch(15.02% 0.0148 150.01);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100svh;
  background: var(--bg);
  color: var(--ink);
  font: 400 clamp(1rem, 0.95rem + 0.3vw, 1.125rem)/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  display: flex;
  flex-direction: column;
}

.backdrop {
  position: fixed;
  inset: 0;
  z-index: -1;
}

.backdrop img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 32% 62%;
}

.backdrop::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(130% 100% at 30% 35%, rgba(7, 13, 8, 0.05) 0%, rgba(7, 13, 8, 0.45) 65%, rgba(7, 13, 8, 0.72) 100%),
    linear-gradient(to bottom, rgba(7, 13, 8, 0.45), rgba(7, 13, 8, 0.2) 45%, rgba(7, 13, 8, 0.7));
}

.page {
  flex: 1 0 auto;
  width: 100%;
  max-width: 46rem;
  margin: 0 auto;
  padding: clamp(2.5rem, 8vh, 5rem) 1rem 2rem;
}

/* Header */
.brand {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand h1 {
  margin: 0;
  font-size: clamp(1.9rem, 1.4rem + 2.2vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.5);
}

.langs {
  display: flex;
  gap: 0.75rem;
  font-size: 0.875rem;
}

.langs a { color: var(--ink-dim); }
.langs [aria-current="true"] {
  color: var(--ink);
  text-decoration-color: var(--accent);
}

.tagline {
  margin: 1rem 0 0;
  font-size: clamp(1.1rem, 1rem + 0.6vw, 1.4rem);
  color: var(--ink);
  text-shadow: 0 1px 14px rgba(0, 0, 0, 0.65);
}

.lede {
  margin: 0.75rem 0 0;
  color: var(--ink-dim);
  max-width: 60ch;
  text-shadow: 0 1px 14px rgba(0, 0, 0, 0.7);
}

.cards {
  margin-top: clamp(2.5rem, 8vh, 4.5rem);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(19rem, 1fr));
  gap: clamp(1rem, 0.75rem + 1vw, 1.5rem);
  align-items: stretch;
}

.card-wide { grid-column: 1 / -1; }

.card {
  display: flex;
  flex-direction: column;
  padding: clamp(1.25rem, 1rem + 1.5vw, 2rem);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  backdrop-filter: blur(10px) saturate(115%);
  -webkit-backdrop-filter: blur(10px) saturate(115%);
}

.card h2 {
  margin: 0;
  font-size: clamp(1.35rem, 1.2rem + 0.8vw, 1.75rem);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.card .what {
  margin: 0.25rem 0 0;
  color: var(--accent);
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.card p { color: var(--ink-dim); }
.card p strong { color: var(--ink); font-weight: 600; }

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: auto;
  padding-top: 1.5rem;
}

.btn {
  display: inline-block;
  padding: 0.6rem 1.1rem;
  border-radius: 8px;
  border: 1px solid var(--line);
  text-decoration: none;
  color: var(--ink);
  font-size: 0.95rem;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.btn:hover, .btn:focus-visible {
  background: rgba(241, 244, 239, 0.1);
  border-color: rgba(241, 244, 239, 0.4);
}

.btn-primary {
  background: var(--sand);
  border-color: var(--sand);
  color: oklch(22.34% 0.0329 64.74);
  font-weight: 600;
}

.btn-primary:hover, .btn-primary:focus-visible {
  background: oklch(88.34% 0.0514 72.83);
  border-color: oklch(88.34% 0.0514 72.83);
}

a { color: var(--accent); }
a:focus-visible { outline: 2px solid var(--sand); outline-offset: 3px; border-radius: 4px; }

/* Footer */
footer {
  flex: 0 0 auto;
  padding: 2rem 1rem 2.5rem;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--ink-dim);
}

footer p { margin: 0.35rem 0; }
footer a { color: var(--ink-dim); }
.friends a { color: var(--ink); text-decoration-color: var(--accent); }

@media (prefers-reduced-transparency: reduce) {
  .card { backdrop-filter: none; -webkit-backdrop-filter: none; background: rgba(8, 15, 9, 0.9); }
}