:root {
  --bg: #0a1020;
  --panel: #121a2e;
  --line: #24304d;
  --text: #e8edf7;
  --muted: #9aa6bf;
  --accent: #d8f35a;
  --accent-ink: #0a1020;
  color-scheme: dark;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.wrap { max-width: 1040px; margin: 0 auto; padding: 40px 16px 64px; }
.wrap.narrow { max-width: 560px; padding-top: 96px; text-align: center; }

h1 {
  margin: 0;
  font-size: clamp(2rem, 6vw, 3.25rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h2 { margin: 0 0 12px; font-size: 1.25rem; }

.tagline { margin: 6px 0 24px; color: var(--muted); font-size: 1.1rem; }

.hero {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.buy {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: center;
  margin-top: 28px;
  padding: 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
}

.buy ul { margin: 0; padding-left: 20px; color: var(--muted); }

.price { margin: 0 0 12px; font-size: 2rem; font-weight: 700; }
.price span { display: block; font-size: 0.85rem; font-weight: 400; color: var(--muted); }

button, .button {
  display: inline-block;
  width: 100%;
  padding: 14px 28px;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-ink);
  font: inherit;
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
}

button:hover, .button:hover { filter: brightness(1.08); }
button:focus-visible, .button:focus-visible { outline: 3px solid var(--text); outline-offset: 2px; }

.fine { margin: 10px 0 0; color: var(--muted); font-size: 0.85rem; }

.schools { margin: 20px 0 0; color: var(--muted); }

a { color: var(--accent); overflow-wrap: anywhere; }

@media (max-width: 720px) {
  .buy { grid-template-columns: 1fr; }
}