/* Cairnhollow landing page */
:root {
  --bg: #10161f;
  --panel: #18212e;
  --ink: #eef2f7;
  --muted: #a9b6c6;
  --grass: #74b04e;
  --amber: #e8a44c;
  --sky: #8fc4ec;
  --line: rgba(168, 182, 198, 0.22);
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  color: var(--ink);
  background:
    linear-gradient(180deg, #0d1219 0%, #131a26 55%, #17212d 100%);
  font-family: ui-sans-serif, system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 22px; border-bottom: 1px solid var(--line);
  background: rgba(13, 18, 25, 0.75);
  position: sticky; top: 0;
}
.brand {
  font-weight: 900; letter-spacing: 0.22em; font-size: 14px;
  color: var(--grass);
}
.navlinks { display: flex; gap: 18px; font-size: 13px; }
.navlinks a { color: var(--muted); text-decoration: none; }
.navlinks a:hover { color: var(--sky); }
.navlinks .play-link { color: var(--grass); font-weight: 700; }

main { max-width: 1020px; margin: 0 auto; padding: 0 22px; }

.hero { padding: 26px 0 8px; }
.hero-copy { margin-bottom: 6px; }
h1 {
  font-size: clamp(34px, 7vw, 72px);
  font-weight: 900; letter-spacing: 0.02em; line-height: 1.05;
  background: linear-gradient(92deg, var(--grass), #cde794 62%, var(--amber));
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
  margin: 0;
}
.tagline { color: var(--muted); font-size: clamp(14px, 2.4vw, 19px); margin: 4px 0 0; }

#hero-preview {
  display: block; width: 100%; max-width: 920px; height: auto;
  margin: 18px auto 0;
  border: 1px solid var(--line); border-radius: 14px;
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.5);
  background: #0c1118;
}

.cta { margin: 26px 0 8px; }
.btn {
  display: inline-block;
  font-weight: 800; font-size: 17px;
  color: #0d1219;
  background: linear-gradient(180deg, #8dca5e, var(--grass));
  padding: 14px 26px; border-radius: 999px;
  text-decoration: none;
  box-shadow: 0 5px 0 #45702f, 0 16px 26px rgba(0, 0, 0, 0.45);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(3px); box-shadow: 0 2px 0 #45702f; }
.btn::after { content: " ▶"; }
.cta-note { color: var(--muted); font-size: 13px; margin: 10px 0 0; text-align: center; }
.cta { text-align: center; }

#gallery { margin: 30px 0 10px; }
.gallery-note { color: var(--muted); font-size: 13px; margin-bottom: 14px; }
#gallery img {
  width: 50%;
  border: 1px solid var(--line); border-radius: 10px;
}
#gallery img:nth-of-type(2n) { margin-left: 0; }
#gallery { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }
#gallery .cap { font-size: 12px; color: var(--muted); margin: 6px 0 0; }

h2 { font-size: 26px; font-weight: 800; letter-spacing: 0.01em; margin: 26px 0 8px; }
#features { padding: 0; list-style: none; }
#features li {
  color: var(--ink); font-size: 15px; margin: 0 0 8px;
  padding: 10px 14px; border-left: 3px solid var(--grass);
  background: var(--panel); border-radius: 0 10px 10px 0;
}
#features li::before { content: "◆ "; color: var(--amber); }

#ctl { margin: 30px 0; }
#controls { margin: 6px 0 0; }
.ctl-row {
  display: grid; grid-template-columns: 116px 1fr;
  gap: 10px; padding: 9px 0; border-bottom: 1px solid var(--line);
}
dt { color: var(--sky); font-weight: 700; font-size: 13px; }
dd { color: var(--muted); font-size: 13.5px; }
dl { margin: 0; }

.foot {
  max-width: 1020px; margin: 26px auto 0; padding: 16px 22px;
  border-top: 1px solid var(--line);
  color: var(--muted); font-size: 13px;
}

@media (max-width: 760px) {
  main { padding: 0 16px; }
  #gallery img { width: 100%; }
  .ctl-row { grid-template-columns: 84px 1fr; }
  .topbar { padding: 12px 14px; flex-direction: column; align-items: start; }
  .brand { order: -1; }
  .navlinks { flex-wrap: wrap; }
  .cta { margin: 18px 0 6px; }
}