/* ---------- Kilter AI — cyan/magenta on slate, matching the LED hold colors ---------- */
:root {
  --bg: #0a0f17;
  --panel: #121927;
  --panel-2: #19202f;
  --border: #1f2939;
  --text: #e8eef5;
  --muted: #8b96aa;
  --dim: #5a6478;
  --cyan: #22d3ee;
  --cyan-hot: #67e8f9;
  --magenta: #e879f9;
  --orange: #fb923c;
  --green: #4ade80;
  --gold: #fbbf24;
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg); color: var(--text);
  font-family: -apple-system, "Segoe UI", Roboto, Inter, sans-serif;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}
a { color: var(--cyan-hot); text-decoration: none; }
a:hover { color: var(--magenta); }

/* ---------- Nav ---------- */
nav.top {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px;
  background: rgba(10, 15, 23, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
nav.top .back {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 12px; letter-spacing: 1px; color: var(--muted);
  transition: color .15s;
}
nav.top .back:hover { color: var(--cyan); }
nav.top .brand {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 13px; letter-spacing: 0.5px; color: var(--text);
}
nav.top .brand .dot { color: var(--magenta); }

/* ---------- Cover ---------- */
.cover {
  position: relative;
  width: 100%;
  max-width: 1200px;
  margin: 30px auto 0;
  padding: 0 24px;
}
.cover-hero {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 36px;
  align-items: center;
  padding: 36px;
  background: linear-gradient(135deg, #121927 0%, #1a1430 70%, #2a1638 100%);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255,255,255,0.04);
  overflow: hidden;
  position: relative;
}
.cover-hero::before {
  /* faint cyan glow accent */
  content: "";
  position: absolute;
  top: -80px; left: 40%;
  width: 380px; height: 380px;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.18), transparent 70%);
  pointer-events: none;
}
.cover-art {
  position: relative; z-index: 1;
}
.cover-art img {
  display: block;
  width: 100%;
  max-height: 380px;
  object-fit: contain;
  filter: drop-shadow(0 6px 18px rgba(0, 0, 0, 0.45));
}
.cover-text { position: relative; z-index: 1; }
.award {
  display: inline-block;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(251, 191, 36, 0.3);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.cover-text h1 {
  margin: 0;
  font-size: clamp(36px, 5.5vw, 64px);
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1;
}
.cover-text h1 .alt {
  background: linear-gradient(90deg, var(--cyan) 0%, var(--magenta) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.cover-text .tagline {
  margin: 14px 0 0;
  font-size: clamp(14px, 1.5vw, 17px);
  color: #c9d4e6;
  max-width: 480px;
  line-height: 1.55;
}

@media (max-width: 800px) {
  .cover-hero { grid-template-columns: 1fr; padding: 24px; gap: 22px; }
  .cover-art img { max-height: 280px; }
}

/* ---------- Layout ---------- */
.game { padding-bottom: 80px; }
.layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 32px;
  max-width: 1200px;
  margin: 36px auto 0;
  padding: 0 24px;
}
@media (max-width: 880px) {
  .layout { grid-template-columns: 1fr; }
}

/* ---------- Sections ---------- */
.about, .how-it-works, .screens, .poster { margin-bottom: 40px; }
.about h2, .how-it-works h2, .screens h2, .poster h2 {
  font-size: 20px;
  margin: 0 0 14px;
  color: var(--cyan-hot);
  font-weight: 700;
  letter-spacing: -0.2px;
}
.about p, .how-it-works li {
  font-size: 15px;
  line-height: 1.7;
  color: #c8d0e0;
}
.about p { margin: 0 0 14px; }
.about strong { color: var(--text); }
.about em { color: var(--magenta); font-style: italic; }
.how-it-works ol { padding: 0 0 0 22px; margin: 0; }
.how-it-works li { margin-bottom: 14px; }
.how-it-works li strong { color: var(--text); display: inline; }
.how-it-works code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 12px;
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--cyan-hot);
}
.how-it-works a.show-img {
  display: inline-block;
  margin-left: 6px;
  color: var(--magenta);
  font-family: ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.3px;
  cursor: pointer;
}
.how-it-works a.show-img:hover { color: var(--cyan-hot); }

/* ---------- Meta cards ---------- */
.meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 12px;
  margin-bottom: 40px;
}
.meta-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px 16px;
}
.meta-card h3 {
  margin: 0 0 6px;
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--cyan);
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-weight: 600;
}
.meta-card p { margin: 0; font-size: 13px; color: var(--text); line-height: 1.4; }

/* ---------- Screens ---------- */
.screens-lead {
  margin: -6px 0 18px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}
.screens-lead::before { content: ""; }
.screens .grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}
.screens .grid a {
  display: block;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  background: #0e1422;
  transition: border-color .2s, transform .2s, box-shadow .2s;
}
.screens .grid a:hover {
  border-color: var(--cyan);
  transform: translateY(-3px);
  box-shadow: 0 0 20px rgba(34, 211, 238, 0.18);
}
.screens .grid img {
  width: 100%;
  display: block;
  aspect-ratio: 347 / 504;
  object-fit: contain;
  background: #0a0f17;
}

/* ---------- Poster (placeholder + final) ---------- */
.poster-figure {
  margin: 0;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.poster-figure a { display: block; line-height: 0; transition: filter .25s; }
.poster-figure a:hover { filter: brightness(1.05); }
.poster-figure img {
  width: 100%;
  display: block;
  background: #fff;
}
.poster-figure figcaption {
  padding: 14px 18px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--muted);
  border-top: 1px solid var(--border);
  background: var(--panel-2);
}
.poster-figure figcaption strong { color: var(--text); font-weight: 700; }
.poster-figure figcaption em { color: var(--cyan-hot); font-style: italic; }
.poster-placeholder {
  padding: 32px 24px;
  text-align: center;
  background: repeating-linear-gradient(
    45deg,
    var(--panel),
    var(--panel) 14px,
    var(--panel-2) 14px,
    var(--panel-2) 28px
  );
}
.poster-placeholder p {
  margin: 0 0 8px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.55;
}
.poster-placeholder p:last-child { margin: 0; }
.poster-placeholder strong { color: var(--text); }
.poster-placeholder code {
  font-family: ui-monospace, monospace;
  font-size: 12px;
  color: var(--cyan-hot);
  background: var(--bg);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--border);
}

/* ---------- Sidebar ---------- */
.sidebar { display: flex; flex-direction: column; gap: 14px; }
.play-btn {
  display: block;
  background: linear-gradient(135deg, var(--cyan) 0%, #0891b2 100%);
  color: #062533 !important;
  text-align: center;
  padding: 16px 20px;
  border-radius: 6px;
  border: 1px solid #0891b2;
  box-shadow: 0 6px 22px rgba(34, 211, 238, 0.28), inset 0 1px 0 rgba(255,255,255,0.2);
  transition: transform .1s, box-shadow .15s, filter .15s;
}
.play-btn:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(34, 211, 238, 0.4);
  color: #062533 !important;
}
.play-btn .big { display: block; font-size: 16px; font-weight: 700; letter-spacing: 0.3px; }
.play-btn .small {
  display: block; font-size: 11px; margin-top: 4px; opacity: 0.8;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  letter-spacing: 0.5px;
}

.info {
  list-style: none; padding: 0; margin: 0;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}
.info li {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.info li:last-child { border-bottom: none; }
.info li span {
  color: var(--muted);
  font-family: ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.info li b { color: var(--text); font-weight: 500; }

.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tags span {
  font-size: 11px;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 4px 10px;
  border-radius: 999px;
  transition: color .15s, border-color .15s;
}
.tags span:hover { color: var(--cyan-hot); border-color: var(--cyan); }

/* ---------- Footer ---------- */
footer {
  text-align: center;
  padding: 24px 14px;
  color: var(--dim);
  font-size: 12px;
  border-top: 1px solid var(--border);
  font-family: ui-monospace, monospace;
}
footer a { color: var(--muted); }
footer a:hover { color: var(--cyan-hot); }

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.92);
  display: flex; align-items: center; justify-content: center;
  z-index: 100;
  padding: 30px;
  cursor: zoom-out;
}
.lightbox img {
  max-width: 100%;
  max-height: 100%;
  border-radius: 6px;
  box-shadow: 0 0 60px rgba(0,0,0,0.7);
}
.lightbox[hidden] { display: none; }