/* ==========================================================
   Dark Reefs — minimal deep-sea aesthetic
   ========================================================== */

:root {
  --bg: #030608;
  --bg-deep: #01030a;
  --fg: #dfeef0;
  --fg-dim: #7ea3a8;
  --accent: #2ee6c8;
  --accent-dim: #17847a;
  --coral: #ff6b6b;
  --font-display: 'Cormorant Garamond', serif;
  --font-mono: 'Space Mono', monospace;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  background: radial-gradient(ellipse at 50% 20%, #061019 0%, var(--bg) 45%, var(--bg-deep) 100%);
  color: var(--fg);
  font-family: var(--font-mono);
  overflow-x: hidden;
}

#reef-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 2;
  padding: 1.6rem 1.8rem;
}

.hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem 1.5rem;
}

.glow-orb {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 480px;
  height: 480px;
  transform: translate(-50%, -55%);
  background: radial-gradient(circle, rgba(46, 230, 200, 0.16) 0%, rgba(46, 230, 200, 0.05) 45%, transparent 75%);
  filter: blur(10px);
  z-index: -1;
  animation: pulse-glow 6s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.7; transform: translate(-50%, -55%) scale(1); }
  50%      { opacity: 1;   transform: translate(-50%, -55%) scale(1.08); }
}

.kicker {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.35em;
  color: var(--fg-dim);
  text-transform: uppercase;
  margin: 0 0 1.2rem;
  opacity: 0.75;
  animation: fade-in 1.4s ease-out both;
}

.site-title {
  margin: 0 0 0.6rem;
  animation: fade-in 1.4s ease-out both;
}

.site-logo {
  width: clamp(260px, 40vw, 460px);
  height: auto;
  display: block;
  margin: 0 auto;
  filter: drop-shadow(0 0 26px rgba(46, 230, 200, 0.35));
}

.tagline {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(1rem, 2.4vw, 1.3rem);
  color: var(--fg-dim);
  letter-spacing: 0.02em;
  margin: 0 0 1.4rem;
  animation: fade-in 1.4s ease-out 0.2s both;
}

.depth-readout {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: var(--accent-dim);
  text-transform: uppercase;
  margin: 0 0 2.6rem;
  opacity: 0.85;
  animation: fade-in 1.4s ease-out 0.3s both;
}

.reefos-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.3rem;
  border: 1px solid var(--accent-dim);
  border-radius: 999px;
  color: var(--accent);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  background: rgba(46, 230, 200, 0.04);
  backdrop-filter: blur(6px);
  transition: all 0.35s ease;
  animation: fade-in 1.4s ease-out 0.4s both;
}

.reefos-link:hover,
.reefos-link:focus-visible {
  color: var(--bg);
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 30px rgba(46, 230, 200, 0.45);
}

.reefos-link-arrow {
  transition: transform 0.35s ease;
}

.reefos-link:hover .reefos-link-arrow {
  transform: translateX(4px);
}

.status-line {
  margin-top: 2.6rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: var(--fg-dim);
  animation: fade-in 1.4s ease-out 0.6s both;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: blink 2.2s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.25; }
}

@keyframes fade-in {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.site-footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 1.4rem 0 2rem;
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: rgba(126, 163, 168, 0.5);
}

.social-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.1rem;
  margin-bottom: 0.9rem;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--accent-dim);
  color: var(--fg-dim);
  font-size: 0.9rem;
  text-decoration: none;
  background: rgba(46, 230, 200, 0.03);
  transition: all 0.3s ease;
}

.social-link:hover,
.social-link:focus-visible {
  color: var(--bg);
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 16px rgba(46, 230, 200, 0.4);
}

/* ---- ReefOS bridge page ---- */
.bridge {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem 1.5rem;
  gap: 1.4rem;
}

.bridge-title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.3em;
  color: var(--fg-dim);
  text-transform: uppercase;
}

.bridge-spinner {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 2px solid rgba(46, 230, 200, 0.2);
  border-top-color: var(--accent);
  animation: spin 0.9s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.bridge-coming-soon {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(1.6rem, 5vw, 2.4rem);
  letter-spacing: 0.05em;
  color: var(--accent);
  text-shadow: 0 0 20px rgba(46, 230, 200, 0.4);
  margin: 0;
}

.bridge-note {
  max-width: 420px;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1rem;
  color: var(--fg-dim);
  line-height: 1.5;
}

.bridge-manual {
  margin-top: 0.6rem;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
}

.bridge-manual a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid var(--accent-dim);
}

.bridge-manual a:hover {
  border-color: var(--accent);
}

.back-home {
  margin-top: 1.6rem;
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  color: var(--fg-dim);
  text-decoration: none;
  text-transform: uppercase;
}

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

@media (max-width: 480px) {
  .glow-orb { width: 340px; height: 340px; }

  .site-header {
    padding: 1.1rem 1rem;
  }

  .reefos-link {
    padding: 0.5rem 1rem;
    font-size: 0.62rem;
  }

  .reefos-link-text {
    letter-spacing: 0.1em;
  }
}