/* OxygenIncluded — ONI-themed placeholder
   Deep space + teal/cyan accent, subtle grid */

:root {
  --bg: #0a0e14;
  --bg-elevated: #0f1419;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --accent: #39d0e8;
  --accent-dim: #2aa8bd;
  --accent-glow: rgba(57, 208, 232, 0.15);
  --border: rgba(57, 208, 232, 0.2);
  --font-sans: 'Outfit', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --container: min(1120px, 92vw);
  --space: 1.5rem;
  --radius: 8px;
}

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

html {
  font-size: 18px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.grid-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(57, 208, 232, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(57, 208, 232, 0.03) 1px, transparent 1px);
  background-size: 24px 24px;
}

.container {
  width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space);
  position: relative;
  z-index: 1;
}

.site-header {
  padding: var(--space) 0;
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.logo:hover {
  color: var(--accent);
}

.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--accent);
}

.logo-mark svg {
  width: 100%;
  height: 100%;
}

.logo-text {
  font-family: var(--font-sans);
}

.nav {
  display: flex;
  gap: 1.5rem;
  font-size: 0.95rem;
}

.nav-placeholder {
  color: var(--text-muted);
  cursor: default;
}

.hero {
  padding: 4rem 0 5rem;
  text-align: center;
}

.hero-inner {
  max-width: 720px;
  margin-inline: auto;
}

.hero-graphic {
  margin-bottom: 2rem;
}

.hero-svg {
  width: 100%;
  max-width: 280px;
  height: auto;
  margin-inline: auto;
  display: block;
}

.hero-title {
  margin: 0 0 0.5rem;
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.hero-title-main {
  display: block;
  background: linear-gradient(135deg, var(--text) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-title-tag {
  display: block;
  font-weight: 300;
  font-size: 0.55em;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.hero-desc {
  margin: 1.25rem 0 1rem;
  font-size: 1.05rem;
  color: var(--text-muted);
  font-weight: 400;
}

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

.hero-status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.1); }
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.btn {
  display: inline-block;
  padding: 0.65rem 1.35rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius);
  transition: color 0.2s, background 0.2s, border-color 0.2s;
}

.btn-secondary {
  background: var(--accent);
  color: var(--bg);
  border: 2px solid var(--accent);
}

.btn-secondary:hover {
  background: var(--accent-dim);
  border-color: var(--accent-dim);
  color: var(--bg);
}

.btn-ghost {
  color: var(--text-muted);
  border: 2px solid var(--border);
}

.btn-ghost:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.teaser {
  padding: 3rem 0;
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
}

.teaser-title {
  margin: 0 0 1.5rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.teaser-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
  max-width: 520px;
  margin-inline: auto;
  text-align: left;
}

.teaser-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.teaser-icon {
  color: var(--accent);
  font-size: 1rem;
  flex-shrink: 0;
}

.site-footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
}

.site-footer p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

@media (max-width: 640px) {
  .nav {
    display: none;
  }

  .hero {
    padding: 3rem 0 4rem;
  }

  .hero-svg {
    max-width: 200px;
  }
}