@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@400;500;700;800&display=swap');

:root {
  /* HSL Color Variables for precision */
  --hue-base: 240;
  --hue-accent: 345;
  --hue-accent2: 260;

  --bg-dark: hsl(var(--hue-base), 20%, 6%);
  --bg-card: hsl(var(--hue-base), 20%, 9%);
  --bg-card-hover: hsl(var(--hue-base), 25%, 12%);

  --text-main: hsl(0, 0%, 100%);
  --text-muted: hsl(var(--hue-base), 15%, 85%);
  /* Much lighter for visibility */

  --accent: hsl(var(--hue-accent), 75%, 55%);
  /* #e63946 approx */
  --accent-hover: hsl(var(--hue-accent), 85%, 60%);
  --accent-glow: hsla(var(--hue-accent), 80%, 60%, 0.4);

  --accent-2: hsl(var(--hue-accent2), 75%, 60%);
  /* #7c3aed approx */

  --gradient-brand: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  --gradient-dark: linear-gradient(180deg, rgba(10, 10, 15, 0) 0%, rgba(10, 10, 15, 1) 100%);

  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-blur: blur(12px);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 24px;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main) !important;
  font-family: 'Inter', sans-serif;
  overflow-x: hidden;
  line-height: 1.6;
}

/* Override Bootstrap text colors for dark mode */
.text-muted {
  color: var(--text-muted) !important;
}

.text-dark {
  color: var(--text-main) !important;
}

h1,
h2,
h3,
h4,
h5,
h6,
.h1,
.h2,
.h3,
.h4,
.h5,
.h6 {
  color: var(--text-main);
  font-family: 'Outfit', sans-serif;
  letter-spacing: -0.02em;
}

.navbar-brand {
  font-family: 'Outfit', sans-serif;
  letter-spacing: -0.02em;
}

a {
  text-decoration: none;
  transition: all 0.2s ease;
}

/* Navbar */
.navbar {
  background: rgba(10, 10, 15, 0.85);
  /* Dark transparent */
  backdrop-filter: var(--glass-blur);
  padding: 1rem 0;
  border-bottom: 1px solid var(--glass-border);
}

.navbar-brand {
  font-weight: 800;
  font-size: 1.5rem;
  color: white !important;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-link {
  color: var(--text-muted) !important;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 1rem !important;
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: white !important;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 20px;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 80px;
  /* Offset for navbar */
}

/* Smooth background accent blobs */
.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  filter: blur(80px);
  z-index: -1;
  opacity: 0.5;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -10%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, hsla(var(--hue-accent2), 80%, 60%, 0.3) 0%, transparent 70%);
  filter: blur(80px);
  z-index: -1;
}

.hero h1 {
  font-size: clamp(3rem, 5vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.hero h1 span {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero .lead {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 600px;
}

/* Glass Cards */
.card,
.course-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-md);
  border-radius: var(--radius-md);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  color: var(--text-main) !important;
  display: flex !important;
  flex-direction: column;
  height: 100%;
}

.course-card .card-body {
  flex: 1 1 auto;
}

.course-card .text-muted,
.card .text-muted {
  color: var(--text-muted) !important;
}

.course-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3), 0 0 20px rgba(230, 57, 70, 0.1);
}

.card-body {
  padding: 1.5rem;
}

/* Buttons */
.btn {
  border-radius: var(--radius-sm);
  padding: 12px 24px;
  font-weight: 600;
  transition: all 0.3s ease;
  border: none;
}

.btn-primary {
  background: var(--gradient-brand);
  color: white;
  box-shadow: 0 4px 15px rgba(230, 57, 70, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(230, 57, 70, 0.5);
  background: var(--gradient-brand);
  /* Keep gradient */
  color: white;
}

.btn-outline-light {
  border: 1px solid var(--glass-border);
  background: transparent;
  color: var(--text-main);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: white;
  transform: translateY(-2px);
  color: white !important;
}

/* Labels and Badges */
.badge {
  padding: 0.5em 0.8em;
  font-weight: 600;
  letter-spacing: 0.5px;
  border-radius: 6px;
}

.badge-level {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(4px);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Course Grid */
.course-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 2rem;
}

/* Footer */
footer {
  background: var(--bg-card);
  border-top: 1px solid var(--glass-border) !important;
  color: var(--text-muted);
  font-size: 0.95rem;
}

footer h4,
footer h5 {
  color: white;
  font-family: 'Outfit', sans-serif;
}

footer a.text-white:hover {
  color: var(--accent) !important;
}

footer .form-control {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  color: white !important;
  padding: 12px;
}

footer .form-control:focus {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--accent);
  box-shadow: none;
  color: white !important;
}

/* Cookie Consent */
.cookie-consent {
  background: rgba(15, 15, 20, 0.95);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(15px);
  border-radius: var(--radius-md);
  padding: 1rem 1.5rem;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 9999;
  max-width: 400px;
}

.cookie-consent button {
  background: var(--accent);
  padding: 8px 20px;
  border-radius: 6px;
  font-weight: 600;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
  background: #333;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #555;
}

/* Utilities */
.text-gradient {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.bg-glass {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
}

/* Course Image */
.course-card img {
  height: 180px;
  object-fit: cover;
  width: 100%;
  transition: transform 0.5s ease;
}

.course-card:hover img {
  transform: scale(1.05);
}