@import url('https://fonts.googleapis.com/css2?family=Fredoka:wght@400;500;600;700&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&display=swap');

:root {
  /* Dark Mode (default) */
  --bg: #050505;
  --bg-secondary: #1A1A1A;
  --bg-tertiary: #2A2A2A;
  --text: #F5F5F5;
  --text-secondary: #C0C0C0;
  --accent: #D4AF37;
  --accent-light: #E8C547;
  --accent-dark: #B8941F;
  --highlight: #C62828;
  --border: rgba(212,175,55,0.15);
  --card-shadow: rgba(0,0,0,0.5);
  --radius: 1.5rem;
  --font-display: 'Fredoka', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

[data-theme="light"] {
  --bg: #F5F0E8;
  --bg-secondary: #FFFFFF;
  --bg-tertiary: #EDE8DE;
  --text: #2D1A10;
  --text-secondary: #5C4A3D;
  --accent: #D4891C;
  --accent-light: #E8A040;
  --accent-dark: #B87415;
  --highlight: #C94A4A;
  --border: rgba(212,137,28,0.15);
  --card-shadow: rgba(45,26,16,0.08);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
}

/* Theme Toggle */
.theme-toggle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: all 0.3s ease;
  color: var(--accent);
}

.theme-toggle:hover {
  transform: scale(1.1);
  background: var(--accent);
  color: var(--bg);
}

/* Header & Nav */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(var(--bg-rgb, 5,5,5), 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}

[data-theme="light"] header {
  background: rgba(245,240,232,0.95);
}

nav {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 0.5px;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
  font-size: 0.95rem;
  font-family: var(--font-body);
}

.nav-links a:hover { color: var(--accent); }

.language-switcher select {
  background: var(--bg-tertiary);
  color: var(--accent);
  border: 1px solid var(--border);
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
  font-family: var(--font-body);
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 8rem 2rem 4rem;
  position: relative;
  background: linear-gradient(135deg, var(--bg) 0%, var(--bg-secondary) 50%, var(--bg) 100%);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(ellipse at 30% 20%, rgba(212,175,55,0.08) 0%, transparent 50%),
              radial-gradient(ellipse at 70% 80%, rgba(198,40,40,0.05) 0%, transparent 50%);
  pointer-events: none;
}

[data-theme="light"] .hero::before {
  background: radial-gradient(ellipse at 30% 20%, rgba(212,137,28,0.06) 0%, transparent 50%),
              radial-gradient(ellipse at 70% 80%, rgba(201,74,74,0.04) 0%, transparent 50%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.hero h1 .gold { color: var(--accent); }

.hero-subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2.5rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  font-family: var(--font-body);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--bg);
  box-shadow: 0 4px 30px rgba(212,175,55,0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 40px rgba(212,175,55,0.4);
}

[data-theme="light"] .btn-primary {
  box-shadow: 0 4px 20px rgba(212,137,28,0.25);
}

.btn-secondary {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}

.btn-secondary:hover {
  background: var(--accent);
  color: var(--bg);
}

/* Sections */
section {
  padding: 6rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  text-align: center;
  margin-bottom: 1rem;
}

.section-title .gold { color: var(--accent); }

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 700px;
  margin: 0 auto 4rem;
}

/* Course Cards */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.course-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.course-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--highlight), var(--accent));
  opacity: 0;
  transition: opacity 0.3s;
}

.course-card:hover {
  transform: translateY(-8px);
  border-color: rgba(212,175,55,0.3);
  box-shadow: 0 20px 60px var(--card-shadow);
}

[data-theme="light"] .course-card:hover {
  box-shadow: 0 20px 60px rgba(45,26,16,0.12);
}

.course-card:hover::before { opacity: 1; }

.course-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

.course-card h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  margin-bottom: 0.8rem;
  color: var(--text);
}

.course-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.course-meta {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.course-meta span {
  font-size: 0.8rem;
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  background: var(--bg-tertiary);
  color: var(--accent);
  font-weight: 500;
}

.course-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.course-link:hover { gap: 0.7rem; }

/* Features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.feature {
  text-align: center;
  padding: 2rem;
}

.feature-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(212,175,55,0.1), rgba(198,40,40,0.05));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 2rem;
  border: 1px solid rgba(212,175,55,0.2);
}

[data-theme="light"] .feature-icon {
  background: linear-gradient(135deg, rgba(212,137,28,0.1), rgba(201,74,74,0.05));
  border-color: rgba(212,137,28,0.15);
}

.feature h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: 0.8rem;
}

.feature p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* How it Works */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-top: 3rem;
}

.step {
  text-align: center;
  position: relative;
}

.step-number {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto 1.5rem;
  font-family: var(--font-display);
}

.step h3 {
  font-family: var(--font-display);
  margin-bottom: 0.8rem;
  font-size: 1.2rem;
}

.step p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* CTA Section */
.cta-section {
  text-align: center;
  background: linear-gradient(135deg, rgba(212,175,55,0.05), rgba(198,40,40,0.02));
  border-radius: var(--radius);
  margin: 4rem auto;
  border: 1px solid var(--border);
}

[data-theme="light"] .cta-section {
  background: linear-gradient(135deg, rgba(212,137,28,0.04), rgba(201,74,74,0.02));
}

/* Footer */
footer {
  background: var(--bg-secondary);
  padding: 4rem 2rem 2rem;
  border-top: 1px solid var(--border);
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-section h4 {
  font-family: var(--font-display);
  color: var(--accent);
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.footer-section a {
  display: block;
  color: var(--text-secondary);
  text-decoration: none;
  margin-bottom: 0.6rem;
  transition: color 0.3s;
}

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

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

/* RTL Support */
[dir="rtl"] .nav-links { flex-direction: row-reverse; }
[dir="rtl"] .hero-cta { flex-direction: row-reverse; }
[dir="rtl"] .course-meta { flex-direction: row-reverse; }

/* Responsive */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hero { padding: 6rem 1.5rem 3rem; }
  section { padding: 4rem 1.5rem; }
  .courses-grid { grid-template-columns: 1fr; }
}