:root {
  color-scheme: dark;
  --ink: #080b13;
  --panel: #111725;
  --line: rgba(255, 255, 255, 0.1);
  --text: #f7f3e9;
  --muted: #aeb4c2;
  --amber: #f2ae49;
  --amber-soft: rgba(242, 174, 73, 0.12);
}

* { box-sizing: border-box; }

html { background: var(--ink); }

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 50% -10%, rgba(242, 174, 73, 0.14), transparent 34rem),
    var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Hiragino Sans", sans-serif;
  font-size: 16px;
  line-height: 1.75;
}

a { color: inherit; }

.shell {
  width: min(760px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  text-decoration: none;
  font-weight: 650;
}

.brand-mark {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border: 1px solid rgba(242, 174, 73, 0.35);
  border-radius: 10px;
  color: var(--amber);
  background: var(--amber-soft);
}

header { padding: 54px 0 32px; }

h1, h2 { line-height: 1.3; letter-spacing: -0.025em; }
h1 { margin: 0 0 12px; font-size: clamp(2rem, 8vw, 3.3rem); }
h2 { margin: 40px 0 14px; font-size: 1.35rem; }
p { margin: 0 0 16px; }
.lead { max-width: 35rem; color: var(--muted); font-size: 1.05rem; }

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.card, .answer {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: linear-gradient(145deg, rgba(255,255,255,0.055), rgba(255,255,255,0.018));
}

.card {
  display: block;
  min-height: 148px;
  padding: 20px;
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.card:hover, .card:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(242, 174, 73, 0.45);
  background: linear-gradient(145deg, rgba(242,174,73,0.11), rgba(255,255,255,0.025));
  outline: none;
}

.card strong { display: block; margin-bottom: 8px; font-size: 1.1rem; }
.card span { color: var(--muted); }
.eyebrow { color: var(--amber); font-weight: 700; }
.back { display: inline-block; margin-top: 28px; color: var(--muted); }

.answer { padding: 22px; }
.answer + .answer { margin-top: 14px; }
.answer h2 { margin: 0 0 10px; }
.answer p:last-child { margin-bottom: 0; }

footer {
  margin-top: 48px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 600px) {
  .shell { width: min(100% - 24px, 760px); padding-top: 20px; }
  header { padding-top: 42px; }
  .grid { grid-template-columns: 1fr; }
  .card { min-height: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .card { transition: none; }
}