@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;700&family=Outfit:wght@400;600&display=swap');

:root {
  /* Default: Dark Theme */
  --bg-color: #0f172a; /* Slate 900 */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --card-bg: rgba(30, 41, 59, 0.7); /* Slate 800 with opacity */
  --card-border: rgba(148, 163, 184, 0.1);
  --accent-primary: #38bdf8; /* Light blue */
  --accent-secondary: #818cf8; /* Indigo */
  --nav-bg: rgba(15, 23, 42, 0.85);
  --star-color: #38bdf8;
}

[data-theme="light"] {
  --bg-color: #f8fafc; /* Slate 50 */
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --card-bg: rgba(255, 255, 255, 0.7);
  --card-border: rgba(15, 23, 42, 0.1);
  --accent-primary: #0284c7; /* Darker blue for contrast */
  --accent-secondary: #4f46e5; /* Indigo */
  --nav-bg: rgba(248, 250, 252, 0.85);
  --star-color: #cbd5e1; /* Subtle grey dots in light mode */
}

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: 'Outfit', sans-serif;
  line-height: 1.6;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Typography & Hero */
h1, h2, h3, h4, h5 {
  font-family: 'Space Grotesk', sans-serif;
  color: var(--text-primary);
}

.hero-section {
  padding: 8rem 0 4rem;
  text-align: center;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--text-secondary);
  max-width: 800px;
  margin: 0 auto 2rem;
  font-weight: 400;
}

.section-title {
  font-size: 2rem;
  margin-top: 4rem;
  margin-bottom: 2rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--card-border);
}

/* Navbar */
.navbar {
  background-color: var(--nav-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--card-border);
}

.navbar-brand, .nav-link {
  font-family: 'Space Grotesk', sans-serif;
  color: var(--text-primary) !important;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.9rem;
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--accent-primary) !important;
}

/* Theme Toggle Button */
#theme-toggle {
  background: transparent;
  border: 1px solid var(--card-border);
  color: var(--text-primary);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-left: 1rem;
}

#theme-toggle:hover {
  background-color: var(--card-bg);
  border-color: var(--accent-primary);
}

/* Cards (Glassmorphism) */
.card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  height: 100%;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
  border-color: var(--accent-primary);
}

.card-body {
    display: flex;
    flex-direction: column;
}

.card-title {
  color: var(--text-primary);
  font-weight: 700;
}

.card-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  flex-grow: 1;
}

.card-img-top {
  object-fit: cover;
  aspect-ratio: 16/9;
  border-bottom: 1px solid var(--card-border);
}

.badges {
    margin-top: 1rem;
}

.badges img {
  margin-right: 8px;
  margin-bottom: 8px;
  border-radius: 4px;
}

/* Container */
.container {
  padding: 2rem 1rem;
  max-width: 1200px;
}

/* Canvas Background */
#starfield {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

/* Accessibility */
a:focus, button:focus {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}