/* Dondlinger Digital Database - Metropolis Design System */
:root {
  --bg-primary: #0a0d14;
  --bg-card: rgba(16, 22, 34, 0.75);
  --bg-card-hover: rgba(22, 30, 46, 0.85);
  --border-glow: rgba(0, 229, 255, 0.2);
  --border-glow-active: rgba(0, 229, 255, 0.6);
  --accent-cyan: #00e5ff;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-sans);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

.bg-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(0, 229, 255, 0.12), transparent 50%),
    radial-gradient(circle at 100% 100%, rgba(16, 185, 129, 0.08), transparent 40%),
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 40px 40px, 40px 40px;
  z-index: -1;
  pointer-events: none;
}

/* Header Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 2.5rem;
  background: rgba(10, 13, 20, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-glow);
  position: sticky;
  top: 0;
  z-index: 100;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-main);
  text-decoration: none;
}

.brand-badge {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-emerald));
  color: #000;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: 1.75rem;
  align-items: center;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s;
}

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

/* App Suite Bar */
.app-suite-bar {
  background: rgba(0, 229, 255, 0.04);
  border-bottom: 1px solid var(--border-glow);
  padding: 0.6rem 2.5rem;
  overflow-x: auto;
}

.app-suite-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.app-suite-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-cyan);
  white-space: nowrap;
}

.app-tags {
  display: flex;
  gap: 0.6rem;
  flex-wrap: nowrap;
}

.app-tag {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.8rem;
  padding: 0.25rem 0.65rem;
  border-radius: 20px;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.app-tag:hover {
  background: rgba(0, 229, 255, 0.15);
  border-color: var(--accent-cyan);
  color: #fff;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-cyan), #00b4d8);
  color: #040914;
  font-weight: 700;
  padding: 0.6rem 1.25rem;
  border-radius: 8px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  box-shadow: 0 0 15px rgba(0, 229, 255, 0.3);
  transition: all 0.2s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 25px rgba(0, 229, 255, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid var(--border-glow);
  font-weight: 600;
  padding: 0.6rem 1.25rem;
  border-radius: 8px;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  background: rgba(0, 229, 255, 0.1);
  border-color: var(--accent-cyan);
}

/* Hero */
.hero {
  max-width: 1200px;
  margin: 3.5rem auto 2rem;
  padding: 0 2rem;
  text-align: center;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid var(--border-glow);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--accent-cyan);
  margin-bottom: 1.5rem;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-emerald);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.3); }
  100% { opacity: 1; transform: scale(1); }
}

.hero-title {
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  background: linear-gradient(180deg, #ffffff 30%, var(--text-muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-title span {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-emerald));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 750px;
  margin: 0 auto 2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 3.5rem;
}

/* Metropolis Neural Oracle 20Q Card */
.section-container {
  max-width: 1200px;
  margin: 0 auto 4rem;
  padding: 0 2rem;
}

.oracle-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-glow);
  border-radius: 20px;
  padding: 2.5rem;
  position: relative;
  box-shadow: 0 0 30px rgba(0, 229, 255, 0.12);
}

.oracle-header {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.oracle-avatar {
  font-size: 2.5rem;
  background: rgba(0, 229, 255, 0.1);
  border: 1px solid var(--border-glow);
  width: 65px;
  height: 65px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 15px rgba(0, 229, 255, 0.3);
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-6px); }
  100% { transform: translateY(0px); }
}

.fuel-container {
  margin-left: auto;
  min-width: 220px;
}

.fuel-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 0.3rem;
  text-align: right;
}

.fuel-bar-track {
  height: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glow);
  border-radius: 6px;
  overflow: hidden;
}

.fuel-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-emerald), var(--accent-cyan));
  box-shadow: 0 0 10px var(--accent-cyan);
  transition: width 0.5s ease;
}

.oracle-speech {
  background: #06080d;
  border: 1px solid var(--border-glow);
  border-radius: 12px;
  padding: 1.75rem;
  font-size: 1.15rem;
  color: #e2e8f0;
  margin-bottom: 1.25rem;
  min-height: 100px;
  display: flex;
  align-items: center;
  box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.5);
}

.game-controls {
  display: flex;
  justify-content: center;
}

.choice-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.btn-choice {
  padding: 0.8rem 1.75rem;
  font-size: 1rem;
  font-weight: 700;
}

/* Feature & App Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.app-card-link {
  text-decoration: none;
  color: inherit;
}

.feature-box {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: 14px;
  padding: 1.75rem;
  height: 100%;
  transition: all 0.3s ease;
  position: relative;
  display: flex;
  flex-direction: column;
}

.feature-box:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-cyan);
  transform: translateY(-3px);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.feature-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.app-badge {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--accent-cyan);
  background: rgba(0, 229, 255, 0.1);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  border: 1px solid rgba(0, 229, 255, 0.2);
}

.split-view {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

@media (max-width: 968px) {
  .split-view {
    grid-template-columns: 1fr;
  }
}

.panel-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: 16px;
  padding: 2rem;
}

.panel-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.panel-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

footer {
  border-top: 1px solid var(--border-glow);
  padding: 3rem 2rem;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.9rem;
}

footer a {
  color: var(--accent-cyan);
  text-decoration: none;
}