/* Dave's Hobby Lab — main stylesheet
 * Brand palette and typography per /CLAUDE.md and /concept/01-brand.md.
 * Pure CSS, no preprocessor, no framework. Tailwind pipeline is wired
 * separately (see tailwind/input.css and Makefile) but not active here.
 */

:root {
  --ink: #0F3D5C;
  --ink-2: #1F5A7E;
  --bone: #F2EBDC;
  --bone-2: #E8DFCB;
  --char: #1A1B1E;
  --sodium: #FF6B35;
  --verdigris: #3FA796;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bone);
  color: var(--char);
  line-height: 1.5;
  background-image:
    linear-gradient(var(--bone-2) 1px, transparent 1px),
    linear-gradient(90deg, var(--bone-2) 1px, transparent 1px);
  background-size: 40px 40px;
}

.display { font-family: 'Bebas Neue', Impact, sans-serif; letter-spacing: 0.04em; }
.mono { font-family: 'JetBrains Mono', monospace; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* Header */
header {
  background: var(--ink);
  color: var(--bone);
  padding: 16px 0;
  border-bottom: 4px solid var(--char);
}
header .container {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.mark { display: flex; align-items: center; gap: 12px; }
.mark .nameplate {
  background: var(--sodium); color: var(--char);
  padding: 2px 10px; font-weight: 700; letter-spacing: 0.3em;
  font-size: 11px;
}
.mark .wordmark { font-size: 28px; line-height: 1; }
nav a {
  color: var(--bone); text-decoration: none; margin-left: 20px;
  font-size: 14px; letter-spacing: 0.1em; text-transform: uppercase;
}
nav a:hover { color: var(--sodium); }
.live-status {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: 'JetBrains Mono', monospace; font-size: 12px;
}
.live-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--verdigris); opacity: 0.6; }
.live .live-dot { background: var(--sodium); opacity: 1; animation: pulse 1.4s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }

/* Hero */
.hero { padding: 80px 0 100px; position: relative; }
.hero-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 64px; align-items: center; }
.hero h1 {
  font-family: 'Bebas Neue', Impact, sans-serif;
  font-size: clamp(64px, 10vw, 128px);
  line-height: 0.92;
  margin: 0 0 24px;
  color: var(--ink);
  letter-spacing: 0.02em;
}
.hero h1 .small { display: block; font-size: 0.32em; color: var(--sodium); letter-spacing: 0.4em; margin-bottom: 8px; }
.hero .tagline {
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px; color: var(--verdigris);
  letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 32px;
}
.hero p.lede { font-size: 19px; color: var(--char); max-width: 52ch; margin: 0 0 32px; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px; font-weight: 600; text-decoration: none;
  font-size: 14px; letter-spacing: 0.12em; text-transform: uppercase;
  border: 2px solid var(--char); transition: transform 0.1s;
}
.btn:hover { transform: translate(-2px, -2px); box-shadow: 4px 4px 0 var(--char); }
.btn-primary { background: var(--sodium); color: var(--char); }
.btn-secondary { background: var(--bone); color: var(--char); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }

/* Stream embed placeholder */
.stream-card {
  background: var(--char); border: 4px solid var(--char);
  aspect-ratio: 16 / 9; width: 100%;
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.stream-card::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(31,90,126,0.15) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31,90,126,0.15) 1px, transparent 1px);
  background-size: 24px 24px;
}
.stream-card .offline {
  position: relative; z-index: 1; text-align: center; color: var(--bone);
}
.stream-card .offline .display {
  font-size: 56px; color: var(--bone); line-height: 1;
}
.stream-card .offline .next {
  font-family: 'JetBrains Mono', monospace; font-size: 12px;
  color: var(--verdigris); letter-spacing: 0.2em; margin-top: 12px;
}

/* Section base */
section { padding: 80px 0; border-top: 2px solid var(--char); }
section.dark { background: var(--ink); color: var(--bone); }
.section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--verdigris); margin-bottom: 12px;
}
section h2 {
  font-family: 'Bebas Neue', Impact, sans-serif;
  font-size: 56px; line-height: 1; margin: 0 0 32px; color: var(--ink);
  letter-spacing: 0.02em;
}
section.dark h2 { color: var(--bone); }
section.dark .section-label { color: var(--sodium); }

/* Schedule */
.schedule {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px;
  margin-top: 24px;
}
.day {
  background: var(--bone); border: 2px solid var(--char);
  padding: 20px 16px;
  position: relative;
}
section.dark .day { background: rgba(255,255,255,0.04); border-color: var(--bone); }
.day .dow { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.2em; color: var(--verdigris); }
.day .title { font-family: 'Bebas Neue', Impact, sans-serif; font-size: 28px; line-height: 1.05; margin: 6px 0; }
section.dark .day .title { color: var(--bone); }
.day .time { font-family: 'JetBrains Mono', monospace; font-size: 12px; opacity: 0.8; }
.day.flagship { background: var(--sodium); color: var(--char); border-color: var(--char); }
.day.flagship .dow { color: var(--char); }
.day.flagship .title { color: var(--char); }
.day .icon {
  width: 28px; height: 28px; stroke-width: 2;
  margin-bottom: 4px; opacity: 0.85;
}

/* About / arc grid */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.arc-card { border: 2px solid currentColor; padding: 24px; }

/* Discord CTA */
.discord-card {
  background: var(--char); color: var(--bone);
  padding: 56px 48px; border: 4px solid var(--char);
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center;
}
.discord-card h2 { color: var(--bone); margin: 0 0 12px; }
.discord-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.stat { background: var(--ink); padding: 16px; }
.stat .num { font-family: 'Bebas Neue', Impact, sans-serif; font-size: 40px; line-height: 1; color: var(--sodium); }
.stat .label { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.2em; color: var(--verdigris); margin-top: 4px; text-transform: uppercase; }

/* Email capture */
.email-form { display: flex; gap: 0; max-width: 520px; border: 2px solid var(--char); }
.email-form input {
  flex: 1; padding: 14px 16px; border: none; outline: none;
  font-family: 'Inter', sans-serif; font-size: 15px; background: var(--bone);
}
.email-form button {
  background: var(--ink); color: var(--bone); border: none;
  padding: 14px 22px; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; font-size: 13px; cursor: pointer;
}
.email-form button:hover { background: var(--sodium); color: var(--char); }

/* Socials */
.socials { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 16px; }
.social {
  border: 2px solid currentColor; padding: 8px 14px;
  font-family: 'JetBrains Mono', monospace; font-size: 12px;
  letter-spacing: 0.15em; text-transform: uppercase; text-decoration: none;
  color: inherit;
}
.social:hover { background: var(--sodium); color: var(--char); border-color: var(--char); }

/* Footer */
footer {
  background: var(--char); color: var(--bone);
  padding: 32px 0; border-top: 4px solid var(--sodium);
  font-family: 'JetBrains Mono', monospace; font-size: 12px;
}
footer .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
footer .reg-marks { color: var(--verdigris); }

/* Responsive */
@media (max-width: 800px) {
  .hero-grid, .two-col, .discord-card { grid-template-columns: 1fr; gap: 32px; }
  .schedule { grid-template-columns: repeat(2, 1fr); }
  .hero { padding: 40px 0 60px; }
  section { padding: 56px 0; }
  header .container { flex-wrap: wrap; }
  nav a { margin-left: 0; margin-right: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  .live .live-dot { animation: none; }
  .btn { transition: none; }
}