/* ============================================
   LUZ DO SABER - Plataforma de Catequese
   Design System & Complete Styles
   ============================================ */

/* --- CSS Variables --- */
:root {
  --primary: #5B2D8E;
  --primary-dark: #3E1D63;
  --primary-light: #7B4DB8;
  --accent: #D4A843;
  --accent-dark: #B8922E;
  --accent-light: #E8C76B;
  --bg: #FDF8F0;
  --bg-warm: #F5EDE0;
  --bg-card: #FFFFFF;
  --text: #2D2A33;
  --text-light: #6B6578;
  --text-muted: #9B93A8;
  --border: #E8E0D8;
  --success: #2E9B5A;
  --danger: #D64545;
  --shadow-sm: 0 1px 3px rgba(91,45,142,0.08);
  --shadow-md: 0 4px 16px rgba(91,45,142,0.10);
  --shadow-lg: 0 8px 32px rgba(91,45,142,0.14);
  --shadow-xl: 0 16px 48px rgba(91,45,142,0.18);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;
  --max-width: 1200px;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

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

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul { list-style: none; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* --- Typography --- */
h1, h2, h3 { font-family: var(--font-display); color: var(--primary-dark); line-height: 1.2; }
h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); font-weight: 700; }
h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 700; }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); font-weight: 600; }

.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.8rem; font-weight: 600; letter-spacing: 2px; text-transform: uppercase;
  color: var(--accent-dark); margin-bottom: 12px;
}
.section-label::before {
  content: ''; width: 32px; height: 2px; background: var(--accent); border-radius: 2px;
}
.section-subtitle {
  font-size: 1.1rem; color: var(--text-light); max-width: 600px; margin-top: 12px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 32px; border-radius: var(--radius-sm); font-weight: 600;
  font-size: 0.95rem; transition: var(--transition); white-space: nowrap;
}
.btn-primary {
  background: var(--primary); color: #fff;
  box-shadow: 0 4px 12px rgba(91,45,142,0.3);
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-accent {
  background: var(--accent); color: var(--primary-dark);
  box-shadow: 0 4px 12px rgba(212,168,67,0.3);
}
.btn-accent:hover { background: var(--accent-dark); color: #fff; transform: translateY(-2px); }
.btn-outline {
  border: 2px solid var(--primary); color: var(--primary); background: transparent;
}
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-ghost { color: var(--primary); padding: 14px 16px; }
.btn-ghost:hover { background: rgba(91,45,142,0.06); border-radius: var(--radius-sm); }
.btn-sm { padding: 10px 20px; font-size: 0.85rem; }
.btn-lg { padding: 18px 40px; font-size: 1.05rem; }

/* --- Loader --- */
.loader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--primary-dark);
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.5s, visibility 0.5s;
}
.loader.hidden { opacity: 0; visibility: hidden; }
.loader-icon { font-size: 3rem; animation: pulse 1.2s infinite; color: var(--accent); }
@keyframes pulse { 0%,100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.15); opacity: 0.7; } }

/* --- Navbar --- */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 16px 0; transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(255,255,255,0.95); backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm); padding: 10px 0;
}
.navbar-inner {
  display: flex; align-items: center; justify-content: space-between;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-size: 1.4rem; font-weight: 700;
  color: #fff; transition: var(--transition);
}
.navbar.scrolled .logo { color: var(--primary-dark); }
.logo-icon { font-size: 1.8rem; }
.logo-sub { font-size: 0.65rem; font-family: var(--font-main); font-weight: 400; opacity: 0.8; letter-spacing: 1px; text-transform: uppercase; }

.nav-menu ul { display: flex; align-items: center; gap: 4px; }
.nav-link {
  padding: 8px 16px; border-radius: var(--radius-sm);
  font-size: 0.9rem; font-weight: 500; color: rgba(255,255,255,0.85);
  transition: var(--transition);
}
.nav-link:hover { color: #fff; background: rgba(255,255,255,0.1); }
.navbar.scrolled .nav-link { color: var(--text-light); }
.navbar.scrolled .nav-link:hover { color: var(--primary); background: rgba(91,45,142,0.06); }
.btn-nav {
  background: var(--accent) !important; color: var(--primary-dark) !important;
  font-weight: 600 !important; border-radius: var(--radius-sm) !important;
}
.btn-nav:hover { background: var(--accent-dark) !important; color: #fff !important; }

.hamburger {
  display: none; flex-direction: column; gap: 5px; padding: 8px;
}
.hamburger span {
  width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: var(--transition);
}
.navbar.scrolled .hamburger span { background: var(--text); }

/* --- Hero --- */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
  position: relative; overflow: hidden; padding: 120px 0 80px;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-content { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.hero-text { color: #fff; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(212,168,67,0.15); border: 1px solid rgba(212,168,67,0.3);
  padding: 8px 16px; border-radius: 50px; font-size: 0.8rem; font-weight: 500;
  color: var(--accent-light); margin-bottom: 24px;
}
.hero-text h1 { color: #fff; margin-bottom: 20px; }
.hero-text h1 span { color: var(--accent-light); }
.hero-desc { font-size: 1.15rem; line-height: 1.7; color: rgba(255,255,255,0.8); margin-bottom: 36px; max-width: 520px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 40px; margin-top: 48px; }
.hero-stat { text-align: center; }
.hero-stat-number { font-size: 2rem; font-weight: 800; color: var(--accent-light); font-family: var(--font-display); }
.hero-stat-label { font-size: 0.8rem; color: rgba(255,255,255,0.6); margin-top: 4px; }

.hero-visual {
  display: flex; justify-content: center; align-items: center;
}
.hero-card {
  background: rgba(255,255,255,0.1); backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.15); border-radius: var(--radius-xl);
  padding: 32px; width: 100%; max-width: 420px;
  transform: rotate(2deg);
}
.hero-card-header { display: flex; align-items: center; gap: 16px; margin-bottom: 24px; }
.hero-card-avatar {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--accent); display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; color: var(--primary-dark);
}
.hero-card-info h3 { color: #fff; font-size: 1.1rem; }
.hero-card-info p { color: rgba(255,255,255,0.6); font-size: 0.85rem; }
.hero-card-progress { margin-bottom: 20px; }
.hero-card-progress-label { display: flex; justify-content: space-between; color: rgba(255,255,255,0.7); font-size: 0.85rem; margin-bottom: 8px; }
.hero-card-progress-bar { height: 8px; background: rgba(255,255,255,0.15); border-radius: 50px; overflow: hidden; }
.hero-card-progress-fill { height: 100%; background: var(--accent); border-radius: 50px; transition: width 1.5s ease; }
.hero-card-modules { display: flex; flex-direction: column; gap: 10px; }
.hero-card-module {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px; border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.06); color: rgba(255,255,255,0.8); font-size: 0.9rem;
}
.hero-card-module-check { color: var(--accent-light); font-size: 1.1rem; }
.hero-card-module.completed .hero-card-module-check { color: #4ADE80; }

/* --- Features --- */
.features { padding: 100px 0; }
.features-header { text-align: center; margin-bottom: 60px; }
.features-header .section-subtitle { margin-left: auto; margin-right: auto; }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 36px 28px;
  transition: var(--transition); position: relative; overflow: hidden;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--primary-light); }
.feature-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent)); opacity: 0; transition: var(--transition);
}
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  width: 56px; height: 56px; border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(91,45,142,0.08), rgba(212,168,67,0.08));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; margin-bottom: 20px;
}
.feature-card h3 { margin-bottom: 10px; font-size: 1.15rem; }
.feature-card p { color: var(--text-light); font-size: 0.92rem; line-height: 1.6; }

/* --- Courses Section --- */
.courses-section { padding: 100px 0; background: var(--bg-warm); }
.courses-header { text-align: center; margin-bottom: 60px; }
.courses-header .section-subtitle { margin-left: auto; margin-right: auto; }
.courses-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }

.course-card {
  background: var(--bg-card); border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--border);
  transition: var(--transition);
}
.course-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.course-thumb {
  height: 200px; position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.course-thumb-bg {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 4rem; opacity: 0.15;
}
.course-thumb.purple { background: linear-gradient(135deg, #5B2D8E, #7B4DB8); }
.course-thumb.gold { background: linear-gradient(135deg, #D4A843, #E8C76B); }
.course-thumb.teal { background: linear-gradient(135deg, #1A7A6D, #2BB5A0); }
.course-thumb.rose { background: linear-gradient(135deg, #A83279, #D64BA0); }
.course-thumb.blue { background: linear-gradient(135deg, #2D5A8E, #4D8BBF); }
.course-thumb.orange { background: linear-gradient(135deg, #C47527, #E8A64B); }
.course-thumb-label {
  position: relative; z-index: 2; color: #fff; font-size: 3rem;
}
.course-badge {
  position: absolute; top: 14px; left: 14px; z-index: 3;
  padding: 4px 12px; border-radius: 50px; font-size: 0.72rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.5px;
}
.course-badge.free { background: var(--success); color: #fff; }
.course-badge.popular { background: var(--accent); color: var(--primary-dark); }
.course-badge.new { background: var(--primary); color: #fff; }

.course-body { padding: 24px; }
.course-category { font-size: 0.78rem; font-weight: 600; color: var(--accent-dark); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }
.course-body h3 { margin-bottom: 8px; font-size: 1.15rem; }
.course-body p { color: var(--text-light); font-size: 0.88rem; line-height: 1.5; margin-bottom: 16px; }
.course-meta { display: flex; gap: 16px; margin-bottom: 16px; }
.course-meta span {
  display: flex; align-items: center; gap: 6px;
  font-size: 0.8rem; color: var(--text-muted);
}
.course-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 16px; border-top: 1px solid var(--border);
}
.course-instructor { display: flex; align-items: center; gap: 10px; }
.course-instructor-avatar {
  width: 32px; height: 32px; border-radius: 50%; background: var(--primary-light);
  display: flex; align-items: center; justify-content: center; font-size: 0.8rem; color: #fff;
}
.course-instructor span { font-size: 0.85rem; font-weight: 500; color: var(--text-light); }
.course-price { font-weight: 700; color: var(--success); font-size: 0.95rem; }
.course-price.free-label { color: var(--success); }

/* --- About / Catechist Section --- */
.about-section { padding: 100px 0; }
.about-content { display: grid; grid-template-columns: 1fr 1.2fr; gap: 60px; align-items: center; }
.about-image {
  width: 100%; aspect-ratio: 4/5; border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.about-image-icon { font-size: 8rem; opacity: 0.15; position: absolute; }
.about-image-text {
  position: relative; z-index: 2; text-align: center; color: #fff; padding: 40px;
}
.about-image-text .avatar-large {
  width: 120px; height: 120px; border-radius: 50%;
  background: var(--accent); margin: 0 auto 20px;
  display: flex; align-items: center; justify-content: center;
  font-size: 3rem; color: var(--primary-dark); border: 4px solid rgba(255,255,255,0.3);
}
.about-image-text h3 { color: #fff; font-size: 1.5rem; margin-bottom: 4px; }
.about-image-text p { color: rgba(255,255,255,0.7); font-size: 0.95rem; }
.about-text h2 { margin-bottom: 20px; }
.about-text > p { color: var(--text-light); margin-bottom: 16px; line-height: 1.7; }
.about-highlights { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 28px; }
.about-highlight {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 16px; border-radius: var(--radius-md);
  background: var(--bg-warm); border: 1px solid var(--border);
}
.about-highlight-icon { font-size: 1.5rem; flex-shrink: 0; }
.about-highlight h4 { font-family: var(--font-main); font-size: 0.92rem; font-weight: 600; color: var(--primary-dark); margin-bottom: 4px; }
.about-highlight p { font-size: 0.82rem; color: var(--text-light); }

/* --- Testimonials --- */
.testimonials { padding: 100px 0; background: var(--bg-warm); }
.testimonials-header { text-align: center; margin-bottom: 60px; }
.testimonials-header .section-subtitle { margin-left: auto; margin-right: auto; }
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px;
}
.testimonial-stars { color: var(--accent); font-size: 1rem; margin-bottom: 16px; letter-spacing: 2px; }
.testimonial-card p { color: var(--text-light); font-size: 0.92rem; line-height: 1.7; font-style: italic; margin-bottom: 20px; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 600; font-size: 0.9rem;
}
.testimonial-info h4 { font-family: var(--font-main); font-size: 0.9rem; font-weight: 600; }
.testimonial-info span { font-size: 0.8rem; color: var(--text-muted); }

/* --- CTA Section --- */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  text-align: center; position: relative; overflow: hidden;
}
.cta-section::before {
  content: ''; position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.cta-content { position: relative; z-index: 2; }
.cta-content h2 { color: #fff; margin-bottom: 16px; }
.cta-content p { color: rgba(255,255,255,0.75); font-size: 1.1rem; margin-bottom: 32px; max-width: 550px; margin-left: auto; margin-right: auto; }
.cta-actions { display: flex; gap: 16px; justify-content: center; }

/* --- Footer --- */
.footer { padding: 60px 0 30px; background: var(--primary-dark); color: rgba(255,255,255,0.7); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p { font-size: 0.88rem; line-height: 1.6; max-width: 280px; }
.footer-col h4 { color: #fff; font-family: var(--font-main); font-size: 0.9rem; font-weight: 600; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 0.88rem; transition: var(--transition); }
.footer-col ul li a:hover { color: var(--accent-light); }
.footer-bottom {
  padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.1);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.82rem;
}
.footer-bottom a { color: var(--accent-light); }

/* --- Page Headers (inner pages) --- */
.page-header {
  padding: 140px 0 60px;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  text-align: center; color: #fff;
}
.page-header h1 { color: #fff; margin-bottom: 12px; }
.page-header p { color: rgba(255,255,255,0.7); font-size: 1.1rem; }
.breadcrumb { display: flex; gap: 8px; justify-content: center; margin-bottom: 20px; font-size: 0.85rem; color: rgba(255,255,255,0.5); }
.breadcrumb a { color: rgba(255,255,255,0.7); }
.breadcrumb a:hover { color: var(--accent-light); }

/* --- Course Filters --- */
.course-filters { padding: 40px 0; }
.filters-bar {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 16px; margin-bottom: 32px;
}
.filter-tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-tab {
  padding: 8px 20px; border-radius: 50px; font-size: 0.85rem; font-weight: 500;
  border: 1px solid var(--border); color: var(--text-light); transition: var(--transition);
}
.filter-tab:hover, .filter-tab.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.filter-search {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 16px; border-radius: 50px;
  border: 1px solid var(--border); background: var(--bg-card);
}
.filter-search input {
  border: none; outline: none; background: transparent;
  font-family: var(--font-main); font-size: 0.9rem; width: 200px; color: var(--text);
}

/* --- Course Detail Page --- */
.course-detail { padding: 40px 0 80px; }
.course-detail-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 40px; }
.course-detail-main {}
.course-detail-thumb {
  height: 320px; border-radius: var(--radius-lg); overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 32px; position: relative;
}
.course-detail-thumb-bg { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-size: 6rem; opacity: 0.15; }
.course-detail-thumb-label { position: relative; z-index: 2; color: #fff; font-size: 5rem; }
.course-detail-main h2 { margin-bottom: 16px; }
.course-detail-main > p { color: var(--text-light); line-height: 1.7; margin-bottom: 16px; }
.course-detail-meta { display: flex; gap: 20px; flex-wrap: wrap; margin-bottom: 32px; }
.course-detail-meta span {
  display: flex; align-items: center; gap: 6px;
  font-size: 0.88rem; color: var(--text-muted);
}

.curriculum { margin-top: 40px; }
.curriculum h3 { margin-bottom: 20px; }
.curriculum-module { margin-bottom: 16px; border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; }
.curriculum-module-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; background: var(--bg-warm); cursor: pointer;
  font-weight: 600; font-size: 0.95rem; transition: var(--transition);
}
.curriculum-module-header:hover { background: var(--border); }
.curriculum-module-header span { font-size: 0.82rem; font-weight: 400; color: var(--text-muted); }
.curriculum-lessons { border-top: 1px solid var(--border); }
.curriculum-lesson {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px; border-bottom: 1px solid var(--border);
  font-size: 0.9rem; transition: var(--transition);
}
.curriculum-lesson:last-child { border-bottom: none; }
.curriculum-lesson:hover { background: rgba(91,45,142,0.02); }
.curriculum-lesson-title { display: flex; align-items: center; gap: 10px; }
.curriculum-lesson-title .icon { color: var(--primary-light); }
.curriculum-lesson-meta { display: flex; align-items: center; gap: 12px; font-size: 0.82rem; color: var(--text-muted); }
.lesson-preview-badge {
  padding: 2px 10px; border-radius: 50px; font-size: 0.72rem; font-weight: 600;
  background: rgba(46,155,90,0.1); color: var(--success);
}

/* --- Sidebar / Enroll Card --- */
.course-sidebar {}
.enroll-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px; position: sticky; top: 100px;
  box-shadow: var(--shadow-md);
}
.enroll-price { font-size: 2rem; font-weight: 800; color: var(--primary-dark); font-family: var(--font-display); margin-bottom: 20px; }
.enroll-price .old { text-decoration: line-through; color: var(--text-muted); font-size: 1.1rem; font-weight: 400; margin-left: 8px; }
.enroll-card .btn { width: 100%; margin-bottom: 12px; }
.enroll-info { display: flex; flex-direction: column; gap: 12px; margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--border); }
.enroll-info-row { display: flex; justify-content: space-between; font-size: 0.88rem; }
.enroll-info-row .label { color: var(--text-muted); }
.enroll-info-row .value { font-weight: 600; color: var(--text); }

/* --- Dashboard --- */
.dashboard { padding: 40px 0 80px; }
.dashboard-grid { display: grid; grid-template-columns: 280px 1fr; gap: 32px; }

.dash-sidebar {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px; height: fit-content;
}
.dash-profile { text-align: center; margin-bottom: 24px; padding-bottom: 24px; border-bottom: 1px solid var(--border); }
.dash-avatar {
  width: 80px; height: 80px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  margin: 0 auto 12px; display: flex; align-items: center; justify-content: center;
  font-size: 2rem; color: #fff;
}
.dash-profile h3 { font-size: 1.1rem; margin-bottom: 4px; }
.dash-profile p { font-size: 0.82rem; color: var(--text-muted); }
.dash-nav { display: flex; flex-direction: column; gap: 4px; }
.dash-nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; border-radius: var(--radius-sm);
  font-size: 0.9rem; color: var(--text-light); transition: var(--transition);
}
.dash-nav-item:hover, .dash-nav-item.active { background: rgba(91,45,142,0.06); color: var(--primary); font-weight: 500; }

.dash-main {}
.dash-welcome {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-lg); padding: 32px; color: #fff; margin-bottom: 28px;
}
.dash-welcome h2 { color: #fff; font-size: 1.5rem; margin-bottom: 8px; }
.dash-welcome p { color: rgba(255,255,255,0.75); font-size: 0.95rem; }

.dash-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 28px; }
.dash-stat {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 20px; text-align: center;
}
.dash-stat-icon { font-size: 1.5rem; margin-bottom: 8px; }
.dash-stat-number { font-size: 1.5rem; font-weight: 800; color: var(--primary-dark); font-family: var(--font-display); }
.dash-stat-label { font-size: 0.78rem; color: var(--text-muted); margin-top: 4px; }

.dash-section { margin-bottom: 28px; }
.dash-section h3 { margin-bottom: 16px; font-size: 1.15rem; }
.dash-course-list { display: flex; flex-direction: column; gap: 16px; }
.dash-course-item {
  display: grid; grid-template-columns: 80px 1fr auto; gap: 16px; align-items: center;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 16px; transition: var(--transition);
}
.dash-course-item:hover { box-shadow: var(--shadow-sm); }
.dash-course-thumb {
  width: 80px; height: 60px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center; font-size: 1.5rem; color: #fff;
}
.dash-course-info h4 { font-family: var(--font-main); font-size: 0.95rem; font-weight: 600; margin-bottom: 4px; }
.dash-course-info p { font-size: 0.82rem; color: var(--text-muted); }
.dash-course-progress { min-width: 120px; }
.dash-course-progress-bar { height: 6px; background: var(--border); border-radius: 50px; overflow: hidden; margin-bottom: 4px; }
.dash-course-progress-fill { height: 100%; border-radius: 50px; background: var(--primary); }
.dash-course-progress span { font-size: 0.78rem; color: var(--text-muted); }

/* --- Utilities --- */
.text-center { text-align: center; }
.mt-2 { margin-top: 16px; }
.mt-4 { margin-top: 32px; }
.mb-2 { margin-bottom: 16px; }
.mb-4 { margin-bottom: 32px; }
.hidden { display: none !important; }

/* --- Animations --- */
.fade-up {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; text-align: center; }
  .hero-visual { display: none; }
  .hero-desc { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .courses-grid { grid-template-columns: repeat(2, 1fr); }
  .about-content { grid-template-columns: 1fr; }
  .about-image { max-height: 350px; }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .course-detail-grid { grid-template-columns: 1fr; }
  .dashboard-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-menu { display: none; }
  .hamburger { display: flex; }
  .nav-menu.open {
    display: flex; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--primary-dark); padding: 20px;
    flex-direction: column;
  }
  .nav-menu.open ul { flex-direction: column; }
  .nav-menu.open .nav-link { color: #fff; padding: 12px 16px; }
  .features-grid { grid-template-columns: 1fr; }
  .courses-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 20px; }
  .about-highlights { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .dash-stats { grid-template-columns: repeat(2, 1fr); }
  .dash-course-item { grid-template-columns: 1fr; }
  .dash-course-thumb { display: none; }
  .filters-bar { flex-direction: column; align-items: stretch; }
  .cta-actions { flex-direction: column; align-items: center; }
}