/* SPAN — Circuit theme (mirrors design/theme-data.js) */
:root {
  --bg: #0a0e15;
  --surface: #121a26;
  --surface-alt: #18222f;
  --border: #212d3d;
  --text: #eef3f9;
  --dim: #8493a6;
  --faint: #3f4c5e;
  --accent: #27e0c4;
  --accent-text: #04140f;
  --hero-from: #0f1b2a;
  --hero-to: #10242e;
  --radius: 10px;
  --tile-radius: 14px;
  --maxw: 1040px;
  --display: "Chakra Petch", system-ui, sans-serif;
  --body: "Saira", system-ui, sans-serif;
  --mono: "Space Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 {
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.15;
  margin: 0 0 0.5em;
}

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }

/* ── Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(10, 14, 21, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.wordmark {
  font-family: var(--display);
  font-weight: 700;
  font-size: 24px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.wordmark:hover { text-decoration: none; }
.wordmark .dot { color: var(--accent); text-shadow: 0 0 14px var(--accent); }
.nav a {
  color: var(--dim);
  margin-left: 22px;
  font-size: 15px;
  letter-spacing: 0.02em;
}
.nav a:hover { color: var(--text); text-decoration: none; }

/* ── Hero ── */
.hero {
  background:
    radial-gradient(1100px 480px at 78% -10%, rgba(39, 224, 196, 0.12), transparent 60%),
    linear-gradient(160deg, var(--hero-from), var(--hero-to));
  border-bottom: 1px solid var(--border);
  padding: 72px 0 64px;
}
.hero .wrap {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}
.hero h1 { font-size: clamp(40px, 6vw, 66px); text-transform: uppercase; letter-spacing: 0.02em; }
.hero h1 .accent { color: var(--accent); text-shadow: 0 0 24px rgba(39, 224, 196, 0.45); }
.hero .lede { color: var(--dim); font-size: 19px; max-width: 30em; margin: 0 0 28px; }
.tagline {
  display: inline-block;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 14px;
  margin-bottom: 22px;
}

/* ── Store buttons ── */
.stores { display: flex; flex-wrap: wrap; gap: 14px; }
.store-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 18px;
  color: var(--text);
  min-width: 190px;
  transition: border-color 0.15s, transform 0.15s;
}
.store-btn:hover { text-decoration: none; border-color: var(--accent); transform: translateY(-1px); }
.store-btn svg { width: 26px; height: 26px; flex: none; fill: currentColor; }
.store-btn .label { display: flex; flex-direction: column; line-height: 1.2; }
.store-btn .label small { color: var(--dim); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; }
.store-btn .label strong { font-family: var(--display); font-size: 17px; font-weight: 600; }
.store-btn.is-disabled { opacity: 0.55; cursor: default; }
.store-btn.is-disabled:hover { border-color: var(--border); transform: none; }
.store-soon { color: var(--accent); font-size: 11px; letter-spacing: 0.06em; }

/* ── Hero board art ── */
.board-art {
  background: #0c1422;
  border: 1px solid var(--border);
  border-radius: var(--tile-radius);
  padding: 16px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}
.board-art svg { width: 100%; height: auto; display: block; }

/* ── Features ── */
.features { padding: 68px 0; }
.features h2 { font-size: 30px; text-transform: uppercase; letter-spacing: 0.03em; margin-bottom: 30px; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--tile-radius);
  padding: 22px 20px;
}
.feature h3 { font-size: 18px; }
.feature p { color: var(--dim); font-size: 15px; margin: 0; }
.feature .ico {
  width: 38px; height: 38px; border-radius: 10px;
  display: grid; place-items: center; margin-bottom: 14px;
  background: rgba(39, 224, 196, 0.12); color: var(--accent);
  font-family: var(--mono); font-weight: 700; font-size: 18px;
}

/* ── Footer ── */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 30px 0;
  color: var(--dim);
  font-size: 14px;
}
.site-footer .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; }
.site-footer a { color: var(--dim); margin-left: 20px; }
.site-footer a:first-child { margin-left: 0; }
.site-footer a:hover { color: var(--text); }
.site-footer .links { display: flex; flex-wrap: wrap; }

/* ── Legal (privacy / terms) ── */
.legal { padding: 56px 0 72px; }
.legal .wrap { max-width: 800px; }
.legal h1 { font-size: clamp(32px, 5vw, 44px); text-transform: uppercase; }
.legal .updated { color: var(--faint); font-family: var(--mono); font-size: 13px; letter-spacing: 0.06em; margin-bottom: 36px; }
.legal h2 { font-size: 22px; margin-top: 40px; color: var(--text); text-transform: uppercase; letter-spacing: 0.02em; }
.legal h3 { font-size: 17px; margin-top: 26px; color: var(--text); }
.legal p, .legal li { color: var(--dim); }
.legal ul { padding-left: 22px; }
.legal li { margin-bottom: 8px; }
.legal strong { color: var(--text); }
.legal .note {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 16px 18px;
  color: var(--dim);
  font-size: 15px;
}
.back-home { display: inline-block; margin-top: 8px; font-family: var(--mono); font-size: 13px; letter-spacing: 0.06em; }

/* ── Responsive ── */
@media (max-width: 860px) {
  .hero .wrap { grid-template-columns: 1fr; gap: 36px; }
  .board-art { order: -1; max-width: 420px; margin: 0 auto; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  body { font-size: 16px; }
  .hero { padding: 48px 0 44px; }
  .feature-grid { grid-template-columns: 1fr; }
  .nav a { margin-left: 16px; }
  .store-btn { min-width: 0; flex: 1; }
}