/* SupremeHQ marketing site — Phase 1 stylesheet.
   Dark theme, matches platform dashboard visual identity.
   Zero client-side framework. Single stylesheet. */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0a0e17;
  --bg-card: #111827;
  --bg-card-soft: #0f1724;
  --border: #1f2937;
  --border-accent: #1e3a5f;
  --text: #e0e0e0;
  --text-soft: #9ca3af;
  --text-dim: #6b7280;
  --text-faint: #4b5563;
  --accent: #00ff88;
  --accent-dim: #00cc66;
  --blue: #60a5fa;
  --warn: #fbbf24;
  --alert: #f87171;
  --max: 1200px;
}

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', Tahoma, system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
  font-size: 16px;
}

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

/* ── Header / nav ─────────────────────────────────────── */
header.site-header {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(8px);
  background: rgba(10, 14, 23, 0.95);
}
.header-wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.brand-mark {
  font-weight: 700;
  font-size: 1.1em;
  letter-spacing: 2px;
  color: var(--accent);
  font-family: 'Segoe UI', Tahoma, system-ui, sans-serif;
}
.brand-mark .dot { color: var(--text); }
nav.site-nav { display: flex; gap: 24px; flex-wrap: wrap; }
nav.site-nav a { color: var(--text-soft); font-size: 0.92em; font-weight: 500; }
nav.site-nav a:hover, nav.site-nav a.active { color: var(--accent); }

/* ── Main containers ─────────────────────────────────── */
main { padding: 60px 0; }
.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}
section { margin-bottom: 80px; }
section:last-child { margin-bottom: 0; }

/* ── Typography ──────────────────────────────────────── */
h1 {
  font-size: clamp(1.8em, 4vw, 2.8em);
  color: var(--accent);
  line-height: 1.2;
  margin-bottom: 16px;
  font-weight: 700;
}
h2 {
  font-size: clamp(1.4em, 3vw, 1.8em);
  color: var(--blue);
  margin-bottom: 16px;
  font-weight: 600;
  letter-spacing: 0.5px;
}
h3 {
  font-size: 1.1em;
  color: var(--accent);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  font-weight: 600;
}
p { color: var(--text); margin-bottom: 16px; max-width: 70ch; }
p.lead {
  font-size: 1.2em;
  color: var(--text-soft);
  max-width: 70ch;
  line-height: 1.6;
}
strong { color: var(--accent); font-weight: 600; }
ul { padding-left: 24px; margin-bottom: 16px; }
li { color: var(--text); margin-bottom: 8px; }

/* ── Hero ─────────────────────────────────────────────── */
.hero {
  padding: 80px 0 60px;
  border-bottom: 1px solid var(--border);
}
.hero h1 { color: var(--accent); }
.hero .tagline {
  color: var(--blue);
  font-size: 0.95em;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 20px;
  font-weight: 600;
}
.hero p.lead { font-size: 1.3em; max-width: 60ch; margin-bottom: 32px; }
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 32px; }

/* ── Cards / grid ─────────────────────────────────────── */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  transition: border-color 0.2s, transform 0.2s;
}
.card:hover { border-color: var(--border-accent); }
.card h3 { color: var(--blue); }
.card .status {
  display: inline-block;
  font-size: 0.75em;
  letter-spacing: 1.2px;
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 12px;
  font-weight: 600;
}
.card .status.live { background: rgba(0, 255, 136, 0.15); color: var(--accent); }
.card .status.soon { background: rgba(251, 191, 36, 0.15); color: var(--warn); }
.card a.card-link {
  display: inline-block;
  margin-top: 16px;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.95em;
}

/* ── Buttons ──────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95em;
  cursor: pointer;
  text-decoration: none;
  border: none;
  transition: background 0.15s, color 0.15s;
  letter-spacing: 0.5px;
}
.btn-primary {
  background: var(--accent);
  color: #0a0e17;
}
.btn-primary:hover { background: var(--accent-dim); color: #0a0e17; }
.btn-secondary {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}
.btn-secondary:hover { background: rgba(0, 255, 136, 0.1); color: var(--accent); }

/* ── Forms ────────────────────────────────────────────── */
form { max-width: 520px; margin: 24px 0; }
.form-group { margin-bottom: 18px; }
label {
  display: block;
  color: var(--text-soft);
  font-size: 0.85em;
  margin-bottom: 6px;
  letter-spacing: 0.5px;
}
input[type="text"], input[type="email"] {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg-card-soft);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.95em;
  transition: border-color 0.2s;
}
input[type="text"]:focus, input[type="email"]:focus {
  outline: none;
  border-color: var(--accent);
}
.radio-group { display: flex; flex-direction: column; gap: 10px; }
.radio-group label {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-size: 0.95em;
  cursor: pointer;
  letter-spacing: 0;
}
.radio-group input[type="radio"] { margin: 0; accent-color: var(--accent); }
.form-msg {
  margin-top: 12px;
  padding: 12px;
  border-radius: 6px;
  font-size: 0.9em;
  display: none;
}
.form-msg.success {
  background: rgba(0, 255, 136, 0.1);
  border-left: 3px solid var(--accent);
  color: var(--accent);
  display: block;
}
.form-msg.error {
  background: rgba(248, 113, 113, 0.1);
  border-left: 3px solid var(--alert);
  color: var(--alert);
  display: block;
}

/* ── Three-vertical lane block ───────────────────────── */
.verticals {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

/* ── Feature lists ───────────────────────────────────── */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin: 32px 0;
}
.feature {
  padding: 20px;
  border-left: 3px solid var(--accent);
  background: var(--bg-card-soft);
  border-radius: 0 8px 8px 0;
}
.feature h4 {
  color: var(--accent);
  font-size: 0.9em;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.feature p { font-size: 0.95em; color: var(--text-soft); margin: 0; }

/* ── Embedded screenshot block ───────────────────────── */
.screenshot-block {
  margin: 32px 0;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  background: var(--bg-card-soft);
}
.screenshot-block .caption {
  color: var(--text-dim);
  font-size: 0.85em;
  margin-top: 12px;
  text-align: center;
  font-style: italic;
}
.screenshot-block code {
  display: block;
  padding: 16px;
  background: var(--bg);
  border-radius: 6px;
  color: var(--accent);
  font-family: 'Consolas', 'Monaco', monospace;
  font-size: 0.85em;
  overflow-x: auto;
  white-space: pre;
}

/* ── About / founder ─────────────────────────────────── */
.founder-quote {
  border-left: 3px solid var(--accent);
  padding: 16px 24px;
  background: var(--bg-card-soft);
  margin: 24px 0;
  font-style: italic;
  color: var(--text-soft);
}

/* ── Contact info block ──────────────────────────────── */
.contact-block {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin: 32px 0;
}
.contact-item {
  padding: 20px;
  background: var(--bg-card-soft);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.contact-item h4 {
  color: var(--blue);
  font-size: 0.85em;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin-bottom: 8px;
}
.contact-item p { font-size: 0.95em; color: var(--text); margin: 0; word-break: break-word; }
.contact-item a { word-break: break-word; }

/* ── Footer ──────────────────────────────────────────── */
footer.site-footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 40px 0 28px;
  margin-top: 80px;
}
.footer-wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}
.footer-grid > div h4 {
  color: var(--text-soft);
  font-size: 0.8em;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin-bottom: 14px;
}
.footer-grid a {
  color: var(--text-soft);
  font-size: 0.9em;
  display: block;
  margin-bottom: 8px;
}
.footer-grid a:hover { color: var(--accent); }
.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85em;
  color: var(--text-dim);
}
.footer-bottom .wordmark {
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 2px;
}
.footer-bottom .wordmark .dot { color: var(--text); }

/* ── Mobile ──────────────────────────────────────────── */
@media (max-width: 768px) {
  .header-wrap { padding: 0 16px; }
  nav.site-nav { gap: 16px; }
  nav.site-nav a { font-size: 0.85em; }
  .wrap { padding: 0 16px; }
  .hero { padding: 40px 0 32px; }
  .hero p.lead { font-size: 1.1em; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  section { margin-bottom: 48px; }
  main { padding: 32px 0; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .hero-ctas { flex-direction: column; align-items: stretch; }
  .hero-ctas .btn { text-align: center; }
}