/* Coprime's page: the app's own night sky and gold. */
:root {
  --ink: #0b0b1d;
  --sky: #1b1440;
  --panel: #12122a;
  --line: rgba(255, 255, 255, 0.09);
  --text: #dcdce6;
  --dim: #8e8ea6;
  --gold: #fab852;
  --coral: #ff7a6b;
  --violet: #b98cff;
  --cyan: #6fd6ff;
}
* { box-sizing: border-box; }
html { background: var(--ink); }
body {
  margin: 0;
  background: radial-gradient(1200px 700px at 50% -120px, var(--sky), var(--ink) 70%) no-repeat, var(--ink);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Arial, sans-serif;
}
a { color: var(--gold); }
code { font: 0.92em ui-monospace, "SF Mono", Menlo, monospace; color: #fff; background: rgba(255, 255, 255, 0.06); padding: 0 4px; border-radius: 4px; }
.wrap { max-width: 980px; margin: 0 auto; padding: 0 16px; }

.hero { position: relative; text-align: center; padding: 56px 16px 40px; overflow: hidden; }
#harmonograph { position: absolute; left: 50%; top: -40px; width: 560px; height: 560px; margin-left: -280px; opacity: 0.55; pointer-events: none; }
.hero .icon { position: relative; width: 168px; height: 168px; filter: drop-shadow(0 18px 30px rgba(0, 0, 0, 0.5)); }
.hero h1 { position: relative; margin: 10px 0 4px; font: 600 56px/1.1 "Iowan Old Style", "Palatino", Georgia, serif; color: var(--gold); letter-spacing: 0.01em; }
.tag { position: relative; max-width: 620px; margin: 0 auto 26px; font-size: 20px; color: var(--text); }

.download {
  position: relative; display: inline-flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 14px 30px; border-radius: 999px; text-decoration: none;
  background: linear-gradient(180deg, #ffd27a, var(--gold)); color: var(--ink);
  box-shadow: 0 10px 30px rgba(250, 184, 82, 0.25);
}
.download:hover { filter: brightness(1.06); }
.dl-title { font-weight: 700; font-size: 19px; }
.dl-sub { font-size: 13px; opacity: 0.75; }
.sha { position: relative; max-width: 640px; margin: 12px auto 0; font-size: 12px; color: var(--dim); overflow-wrap: anywhere; }
.sha code { font-size: 11px; color: var(--dim); }
.first-open { position: relative; font-size: 14px; color: var(--dim); margin: 10px 0 0; }

section { padding: 34px 0; border-top: 1px solid var(--line); }
h2 { font: 600 30px/1.2 "Iowan Old Style", "Palatino", Georgia, serif; color: var(--gold); margin: 0 0 8px; }
.lede { color: var(--dim); margin: 0 0 18px; }

.tracks { display: grid; gap: 14px; }
.track { margin: 0; padding: 16px; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; }
.track figcaption { margin-bottom: 10px; color: var(--dim); font-size: 15px; }
.track b { color: var(--text); font-size: 17px; }
.mood { display: inline-block; margin: 0 6px; padding: 0 8px; border-radius: 999px; font-size: 12px; color: var(--ink); background: var(--gold); }
.track audio { width: 100%; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 14px; }
.card { padding: 18px; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; }
.card h3 { margin: 0 0 6px; font-size: 18px; color: #fff; }
.card p { margin: 0; color: var(--dim); font-size: 15px; }

.shots { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; }
.shots figure { margin: 0; }
.shots img { width: 100%; height: auto; border-radius: 12px; border: 1px solid var(--line); display: block; }
.shots figcaption { font-size: 14px; color: var(--dim); margin-top: 6px; }

.science { padding-left: 20px; color: var(--dim); }
.science li { margin: 6px 0; }
.science b { color: var(--text); font-weight: 600; }
.facts p { color: var(--dim); }

footer { border-top: 1px solid var(--line); padding: 22px 0 40px; font-size: 14px; color: var(--dim); }

@media (max-width: 600px) {
  .hero h1 { font-size: 42px; }
  .tag { font-size: 18px; }
  #harmonograph { width: 400px; height: 400px; margin-left: -200px; }
}
@media (prefers-reduced-motion: reduce) { #harmonograph { opacity: 0.35; } }
.source { position: relative; max-width: 640px; margin: 10px auto 0; font-size: 14px; color: var(--dim); overflow-wrap: anywhere; }
.source a { font-weight: 600; }
.source code { font-size: 11px; color: var(--dim); }