:root {
  color-scheme: dark;
  --bg: #0b0c0f;
  --surface: #121419;
  --surface-raised: #181b21;
  --text: #f4f5f7;
  --muted: #9097a3;
  --line: #272b33;
  --accent: #f0b90b;
  --blue: #3b82f6;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
}

.shell {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 72px 0 40px;
}

.masthead {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 440px);
  align-items: end;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}

h1 { margin: 0; font-size: clamp(40px, 7vw, 72px); line-height: .98; letter-spacing: -.055em; }
.intro { margin: 0; color: var(--muted); font-size: 16px; line-height: 1.65; }

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding: 28px 0;
}

.card {
  position: relative;
  display: flex;
  min-height: 220px;
  flex-direction: column;
  justify-content: space-between;
  padding: 22px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
}

.card.available {
  background: var(--surface-raised);
  transition: border-color 180ms ease, transform 180ms ease, background 180ms ease;
}

.card.available:hover { border-color: #4b505b; background: #1c1f26; transform: translateY(-2px); }
.card.available:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.card-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 12px;
  background: var(--accent);
  color: #171303;
  font-weight: 800;
}

.brand-mark.neutral { background: #e9ebef; color: #121317; }
.brand-mark.blue { background: var(--blue); color: white; }
.status { color: #6f7682; font-size: 11px; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; }
.status.ready { color: var(--accent); }
.card-copy { display: flex; flex-direction: column; gap: 8px; }
.card-copy strong { font-size: 20px; letter-spacing: -.02em; }
.card-copy small { color: var(--muted); font-size: 13px; }
.arrow { position: absolute; right: 20px; bottom: 20px; color: var(--accent); font-size: 22px; }

footer {
  display: flex;
  justify-content: space-between;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 800px) {
  .shell { width: min(100% - 28px, 620px); padding-top: 44px; }
  .masthead { grid-template-columns: 1fr; gap: 24px; }
  .grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 520px) {
  .grid { grid-template-columns: 1fr; }
  .card { min-height: 176px; }
}

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