:root {
  /* Lapwing-inspired palette */
  --green-deep: #1a5c4a;
  --green-mid: #2d8a6e;
  --green-light: #4aa88a;
  --green-glow: rgba(45, 138, 110, 0.4);
  --gold: #c9a962;
  --gold-light: #e8d4a8;
  --gold-glow: rgba(201, 169, 98, 0.4);

  /* Dark theme (default) */
  --bg-primary: #0a0f0d;
  --bg-secondary: #121a17;
  --text-primary: #e8ebe9;
  --text-muted: #6b7d75;
  --accent: var(--green-mid);
  --accent-glow: var(--green-glow);
  --accent-secondary: var(--gold);
  --particle-color: 45, 138, 110;
  --particle-accent: 201, 169, 98;
}

[data-theme="light"] {
  --bg-primary: #f0f5f3;
  --bg-secondary: #e0ebe7;
  --text-primary: #1a2a24;
  --text-muted: #5a6d65;
  --accent: var(--green-deep);
  --accent-glow: var(--green-glow);
  --accent-secondary: #a08542;
  --particle-color: 26, 92, 74;
  --particle-accent: 160, 133, 66;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg-primary: #f0f5f3;
    --bg-secondary: #e0ebe7;
    --text-primary: #1a2a24;
    --text-muted: #5a6d65;
    --accent: var(--green-deep);
    --accent-glow: var(--green-glow);
    --accent-secondary: #a08542;
    --particle-color: 26, 92, 74;
    --particle-accent: 160, 133, 66;
  }
}

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

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  font-family: 'Cormorant Garamond', Georgia, serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: background 0.4s ease, color 0.4s ease;
}

#particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 2rem;
  max-width: 700px;
}

/* Theme toggle */
.theme-toggle {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 10;
  background: var(--bg-secondary);
  border: 1px solid var(--accent);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  transition: all 0.3s ease;
  opacity: 0.8;
  color: var(--text-primary);
}

.theme-toggle:hover {
  opacity: 1;
  border-color: var(--accent);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  position: absolute;
  transition: opacity 0.3s ease, transform 0.3s ease;
  color: var(--text-primary);
}

.theme-toggle .icon-sun {
  opacity: 0;
  transform: rotate(-90deg);
}

.theme-toggle .icon-moon {
  opacity: 1;
  transform: rotate(0deg);
}

[data-theme="light"] .theme-toggle .icon-sun {
  opacity: 1;
  transform: rotate(0deg);
}

[data-theme="light"] .theme-toggle .icon-moon {
  opacity: 0;
  transform: rotate(90deg);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .theme-toggle .icon-sun {
    opacity: 1;
    transform: rotate(0deg);
  }
  :root:not([data-theme="dark"]) .theme-toggle .icon-moon {
    opacity: 0;
    transform: rotate(90deg);
  }
}

/* Stage progression */
.stages {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.stage {
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: all 0.5s ease;
  padding: 0.3rem 0.6rem;
}

.stage.active {
  color: var(--accent);
  text-shadow: 0 0 20px var(--accent-glow);
}

.stage.past {
  color: var(--accent-secondary);
  opacity: 0.7;
}

.connector {
  width: 30px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--text-muted), transparent);
  opacity: 0.4;
}

/* Title */
.title {
  font-size: clamp(3rem, 10vw, 6rem);
  font-weight: 400;
  letter-spacing: 0.05em;
  margin-bottom: 2rem;
  background: linear-gradient(135deg, var(--green-light) 0%, var(--accent) 40%, var(--gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 8s ease-in-out infinite;
  background-size: 200% 200%;
}

@keyframes shimmer {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* Motto */
.motto {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  line-height: 2.2;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: 3rem;
}

.motto-line {
  display: block;
  transition: all 0.5s ease;
}

.motto-line.active {
  color: var(--accent);
  font-weight: 600;
  font-style: normal;
  text-shadow: 0 0 15px var(--accent-glow);
}

.motto-line.past {
  color: var(--text-primary);
  opacity: 0.8;
}

.motto .highlight {
  display: block;
  margin-top: 1rem;
  color: var(--text-primary);
  font-style: normal;
  font-weight: 600;
}

/* Coming Soon */
.coming-soon {
  display: inline-block;
  padding: 0.8rem 2rem;
  border: 1px solid var(--text-muted);
  border-radius: 2px;
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-muted);
  animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; border-color: var(--accent); color: var(--accent); }
}

/* Responsive */
@media (max-width: 600px) {
  .stages {
    gap: 0.3rem;
  }

  .connector {
    width: 15px;
  }

  .stage {
    font-size: 0.7rem;
    padding: 0.2rem 0.4rem;
  }

  .theme-toggle {
    top: 1rem;
    right: 1rem;
    width: 38px;
    height: 38px;
  }
}

/* Footer */
.footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1;
  padding: 1.5rem;
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

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

.footer-icon {
  width: 1.1rem;
  height: 1.1rem;
}

@media (max-width: 600px) {
  .footer {
    padding: 1rem;
  }

  .footer-links {
    gap: 1.5rem;
  }

  .footer-link {
    font-size: 0.8rem;
  }

  .footer-icon {
    width: 1rem;
    height: 1rem;
  }
}