/* Cinderfall — landing page skin */
:root {
  --teal: #2fd8c8;
  --coral: #ff5a4e;
  --amber: #ffd16b;
  --wisp: #7de3ff;
  --bg: #0d0914;
  --panel: #150f20;
  --line: #2a2140;
  --text: #e6f6f4;
  --dim: #94a6b0;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background:
    radial-gradient(900px 500px at 70% -5%, #231537 0%, transparent 60%),
    radial-gradient(700px 400px at 10% 30%, #14222b 0%, transparent 65%),
    var(--bg);
  color: var(--text);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  overflow-x: hidden;
}
a { color: var(--teal); text-decoration: none; }

#bar {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 18px;
  background: rgba(13, 9, 20, 0.82);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.mark { font-weight: 700; letter-spacing: 0.06em; color: var(--teal); }

#hero { text-align: center; padding: 26px 18px 34px; }
#hero h1 {
  margin: 0;
  font-size: clamp(2.6rem, 9vw, 5.4rem);
  letter-spacing: 0.08em;
  line-height: 1.02;
  background: linear-gradient(180deg, #f2fffd 15%, var(--teal) 60%, var(--amber) 115%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.tag { margin: 10px auto 18px; max-width: 34ch; color: var(--dim); font-size: 1.05rem; }
#hero-preview {
  display: block; width: min(100%, 900px); aspect-ratio: 16 / 9;
  margin: 0 auto 22px; border-radius: 14px;
  border: 1px solid var(--line);
  background: #120c1a;
  box-shadow: 0 18px 60px rgba(47, 216, 200, 0.14), inset 0 0 60px rgba(0, 0, 0, 0.55);
}
.play {
  display: inline-block; border-radius: 999px; font-weight: 700;
  letter-spacing: 0.05em; text-transform: uppercase;
  background: linear-gradient(180deg, var(--teal), #1a9f92);
  color: #06231f; border: 1px solid #57f0dd;
  box-shadow: 0 10px 30px rgba(47, 216, 200, 0.35);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.play:hover { transform: translateY(-2px); box-shadow: 0 14px 38px rgba(47, 216, 200, 0.5); }
.play.big { padding: 15px 40px; font-size: 1.12rem; }
.play.mini { padding: 8px 18px; font-size: 0.85rem; }
.hint { color: var(--dim); font-size: 0.86rem; margin-top: 14px; }

.panel {
  max-width: 980px; margin: 0 auto; padding: 28px 18px 34px;
}
.panel h2 {
  font-size: 1.35rem; letter-spacing: 0.05em; margin: 0 0 16px;
  color: var(--amber); text-transform: uppercase;
}
#gallery {
  display: grid; gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr));
}
#gallery figure { margin: 0; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: var(--panel); }
#gallery img { display: block; width: 100%; height: auto; }
#gallery figcaption { padding: 9px 12px; font-size: 0.85rem; color: var(--dim); }

#features { list-style: none; margin: 0; padding: 0; display: grid; gap: 11px;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); }
#features li { border-left: 3px solid var(--teal); background: var(--panel);
  border-radius: 0 10px 10px 0; padding: 11px 14px; font-size: 0.95rem; color: var(--dim); }
#features li b { color: var(--text); display: block; margin-bottom: 2px; }

#controls table { width: 100%; border-collapse: collapse; margin: 8px 0 14px; font-size: 0.92rem; }
#controls th, #controls td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); }
#controls th { color: var(--wisp); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; }
#controls td:first-child { color: var(--text); font-weight: 600; white-space: nowrap; }
#controls td { color: var(--dim); }
kbd {
  display: inline-block; min-width: 1.4em; text-align: center;
  border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 5px;
  background: #1c1528; color: var(--text); font: 0.85em ui-monospace, monospace; padding: 1px 5px;
}
.note { color: var(--dim); font-size: 0.92rem; border-left: 3px solid var(--amber);
  padding-left: 12px; background: rgba(255, 209, 107, 0.06); border-radius: 0 8px 8px 0; padding: 10px 12px; }

footer { text-align: center; padding: 34px 18px 46px; border-top: 1px solid var(--line); margin-top: 18px; }

@media (max-width: 420px) {
  #hero { padding: 18px 12px 26px; }
  .tag { font-size: 0.95rem; }
  #controls td:first-child { white-space: normal; }
  .play.big { padding: 13px 28px; }
}