/* LED Sign · marketing + legal site
   Matches the in-app dark mono aesthetic. */

:root {
  --bg: #000;
  --surface: #121212;
  --surface-elev: #1c1c1c;
  --hairline: rgba(255, 255, 255, 0.1);
  --text: #fff;
  --text-dim: rgba(255, 255, 255, 0.62);
  --text-muted: rgba(255, 255, 255, 0.38);
  --pro: #FFD24A;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Helvetica Neue",
               "PingFang SC", "Hiragino Sans GB", sans-serif;
  --font-mono: "SF Mono", Menlo, ui-monospace, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
}

.container.wide { max-width: 960px; }

/* ── Header ───────────────────────────────────────────── */

.site-header {
  padding: 28px 0;
  border-bottom: 1px solid var(--hairline);
  position: sticky;
  top: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: saturate(140%) blur(20px);
  -webkit-backdrop-filter: saturate(140%) blur(20px);
  z-index: 10;
}

.site-header .row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 17px;
  letter-spacing: 0.2px;
}

.logo-dots {
  width: 28px;
  height: 28px;
  display: inline-block;
}

.site-header nav {
  display: flex;
  gap: 20px;
  font-size: 13px;
}
.site-header nav a { color: var(--text-dim); }
.site-header nav a:hover { color: var(--text); }

/* ── Hero ─────────────────────────────────────────────── */

.hero {
  padding: 96px 0 72px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(40px, 7vw, 72px);
  line-height: 1.05;
  letter-spacing: -1.4px;
  margin: 0 0 20px;
  font-weight: 700;
}

.hero .tagline {
  color: var(--text-dim);
  font-size: clamp(16px, 2.2vw, 20px);
  max-width: 560px;
  margin: 0 auto 36px;
  line-height: 1.5;
}

.cta-row {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  border: 1px solid var(--hairline);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  transition: transform 0.12s ease, background 0.12s ease;
}
.btn:hover { background: var(--surface); transform: translateY(-1px); }

.btn.primary {
  background: #fff;
  color: #000;
  border-color: #fff;
}
.btn.primary:hover { background: #eee; color: #000; }

.btn.pro {
  background: var(--pro);
  color: #000;
  border-color: var(--pro);
}
.btn.pro:hover { background: #ffc823; color: #000; }

/* ── Feature grid ─────────────────────────────────────── */

.features {
  padding: 40px 0 80px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}

.feature-card {
  padding: 22px 20px;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
}

.feature-card .label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--pro);
  margin-bottom: 10px;
}

.feature-card h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 600;
}

.feature-card p {
  margin: 0;
  color: var(--text-dim);
  font-size: 13px;
  line-height: 1.55;
}

/* ── Pricing strip ────────────────────────────────────── */

.pricing {
  padding: 32px 0 80px;
}

.price-card {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  max-width: 460px;
  margin: 0 auto;
  position: relative;
}

.price-card .pro-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1px;
  color: #000;
  background: var(--pro);
  padding: 3px 7px;
  border-radius: 4px;
  margin-bottom: 16px;
}

.price-card .price {
  font-size: 34px;
  font-weight: 700;
  letter-spacing: -0.6px;
  margin: 6px 0 4px;
}

.price-card .unit {
  color: var(--text-dim);
  font-size: 13px;
  margin-bottom: 22px;
}

.price-card ul {
  text-align: left;
  list-style: none;
  padding: 0;
  margin: 0 0 22px;
}

.price-card li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 6px 0;
  color: var(--text);
  font-size: 14px;
}

.price-card li::before {
  content: "✓";
  color: var(--pro);
  font-weight: 700;
  font-size: 12px;
  margin-top: 2px;
}

/* ── Legal / prose pages ──────────────────────────────── */

.page {
  padding: 72px 0 96px;
}

.page h1 {
  font-size: 38px;
  font-weight: 700;
  letter-spacing: -0.8px;
  margin: 0 0 8px;
}

.page .meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 40px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--hairline);
}

.page h2 {
  font-size: 20px;
  font-weight: 600;
  margin: 40px 0 12px;
  letter-spacing: -0.2px;
}

.page h3 {
  font-size: 15px;
  font-weight: 600;
  margin: 24px 0 8px;
  color: var(--text);
}

.page p {
  color: var(--text-dim);
  margin: 0 0 14px;
}

.page ul {
  color: var(--text-dim);
  padding-left: 22px;
  margin: 0 0 14px;
}
.page li { margin: 4px 0; }

.page strong { color: var(--text); font-weight: 600; }

.page .callout {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--pro);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  color: var(--text);
  margin: 20px 0;
  font-size: 14px;
}

/* ── Footer ───────────────────────────────────────────── */

.site-footer {
  border-top: 1px solid var(--hairline);
  padding: 36px 0 60px;
  margin-top: 40px;
  color: var(--text-muted);
  font-size: 12px;
}

.site-footer .row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.site-footer nav {
  display: flex;
  gap: 18px;
}
.site-footer nav a { color: var(--text-muted); }
.site-footer nav a:hover { color: var(--text); }

.site-footer .copy {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.3px;
}

/* ── Utilities ────────────────────────────────────────── */

.mono { font-family: var(--font-mono); }
.dim { color: var(--text-dim); }
.muted { color: var(--text-muted); }
.center { text-align: center; }

@media (max-width: 600px) {
  .site-header .row { flex-direction: column; align-items: flex-start; }
  .site-header nav { width: 100%; }
  .hero { padding: 64px 0 48px; }
  .page { padding: 48px 0 72px; }
}