/* ============================================
   MindShift Academy - Landing Page Styles
   Theme: Teal & Orange (matching existing style.css)
   ============================================ */

:root {
    --primary: #008080;
    --primary-light: #00a0a0;
    --primary-dark: #006666;
    --secondary: #FF8C00;
    --secondary-light: #FFA033;
    --secondary-dark: #CC7000;
    --success: #4CAF50;
    --danger: #FF5252;
    --warning: #FFD740;
    --info: #2196F3;
    
    --bg-dark: #0a0a0f;
    --bg-card: #111118;
    --bg-card-hover: #18181f;
    --bg-surface: #0d0d12;
    
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
    
    --font-main: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition: all 0.25s ease;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

*:focus {
    outline: none;
}

html {
    scroll-behavior: smooth;
    height: 100%;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

body {
    font-family: var(--font-main);
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    overflow-y: auto;
    min-height: 100vh;
    -webkit-overflow-scrolling: touch;
    position: relative;
}

/* ============================================
   Navigation
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    width: 32px;
    height: 32px;
    stroke: var(--primary);
}

.logo-text {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.logo-text .accent {
    color: var(--secondary);
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--primary-light);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.btn-icon:hover {
    background: var(--bg-card);
    color: var(--text-primary);
    border-color: var(--border-hover);
}

.btn-icon svg {
    width: 20px;
    height: 20px;
}

.mobile-menu-btn {
    display: none;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
}

.mobile-menu-btn svg {
    width: 24px;
    height: 24px;
}

.mobile-menu {
    position: fixed;
    top: 73px;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 24px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mobile-menu.hidden {
    display: none;
}

.mobile-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.mobile-link:hover {
    background: var(--bg-surface);
}

.mobile-link svg {
    width: 20px;
    height: 20px;
    color: var(--primary);
}

.mobile-btn {
    margin-top: 8px;
}

/* ============================================
   Buttons
   ============================================ */

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-main);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary:hover {
    background: var(--primary-light);
}

.btn-primary svg {
    width: 18px;
    height: 18px;
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: var(--font-main);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-outline:hover {
    background: var(--bg-card);
    border-color: var(--border-hover);
}

.btn-outline svg {
    width: 18px;
    height: 18px;
}

.btn-disabled {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--bg-surface);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: var(--font-main);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: not-allowed;
    width: 100%;
}

.btn-disabled svg {
    width: 18px;
    height: 18px;
}

.full-width {
    width: 100%;
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
    padding: 120px 24px 80px;
    background: var(--bg-dark);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.hero-badge svg {
    width: 16px;
    height: 16px;
    color: var(--secondary);
}

.hero-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
}

.hero-stats .stat-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.hero-stats .stat-item svg {
    width: 24px;
    height: 24px;
    color: var(--primary);
}

.stat-content {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.hero-visual {
    display: flex;
    justify-content: center;
}

.hero-image {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border-color);
    width: 100%;
    max-width: 500px;
}

.hero-image img {
    width: 100%;
    height: auto;
    display: block;
}

.image-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    opacity: 0;
    transition: var(--transition);
    cursor: pointer;
}

.hero-image:hover .image-overlay {
    opacity: 1;
}

.play-btn {
    width: 64px;
    height: 64px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.play-btn svg {
    width: 24px;
    height: 24px;
    margin-left: 4px;
}

.image-overlay span {
    color: white;
    font-weight: 600;
}

/* ============================================
   Section Styles
   ============================================ */

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 48px;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.8rem;
    color: var(--primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.section-tag svg {
    width: 16px;
    height: 16px;
}

.section-title {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   Courses Section
   ============================================ */

.courses-section {
    padding: 80px 0;
    background: var(--bg-surface);
}

.course-filters {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 20px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 50px;
    color: var(--text-secondary);
    font-family: var(--font-main);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.filter-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* Featured Course */
.featured-course {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin-bottom: 60px;
}

.featured-image {
    position: relative;
    min-height: 400px;
}

.featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.featured-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--secondary);
    color: white;
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
}

.featured-badge svg {
    width: 14px;
    height: 14px;
}

.featured-content {
    padding: 40px 40px 40px 0;
    display: flex;
    flex-direction: column;
}

.course-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.tag {
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.tag-ei {
    background: rgba(0, 128, 128, 0.2);
    color: var(--primary-light);
}

.tag-stress {
    background: rgba(255, 140, 0, 0.2);
    color: var(--secondary-light);
}

.tag-conflict {
    background: rgba(255, 82, 82, 0.2);
    color: var(--danger);
}

.featured-title {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.featured-description {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
}

.course-meta {
    display: flex;
    gap: 24px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.meta-item svg {
    width: 18px;
    height: 18px;
    color: var(--primary);
}

.course-progress {
    background: var(--bg-surface);
    border-radius: var(--radius-md);
    padding: 16px;
    margin-bottom: 24px;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 0.85rem;
}

.progress-header span:first-child {
    color: var(--text-secondary);
}

.progress-percent {
    color: var(--primary);
    font-weight: 600;
}

.progress-bar {
    height: 8px;
    background: var(--bg-dark);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--primary);
    border-radius: 4px;
    transition: width 0.5s ease;
}

.featured-actions {
    display: flex;
    gap: 12px;
    margin-top: auto;
}

/* Courses Grid */
.courses-grid-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

.course-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.course-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
}

.card-image {
    position: relative;
    height: 180px;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 6px 12px;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
}

.card-badge.coming-soon {
    background: var(--bg-card);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
}

.card-content {
    padding: 20px;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.card-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 16px;
    line-height: 1.5;
}

.card-meta {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}

.card-meta .meta-item {
    font-size: 0.8rem;
}

.card-meta .meta-item svg {
    width: 16px;
    height: 16px;
}

/* ============================================
   Features Section
   ============================================ */

.features-section {
    padding: 80px 0;
    background: var(--bg-dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: var(--transition);
}

.feature-card:hover {
    border-color: var(--primary);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: rgba(0, 128, 128, 0.15);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary);
}

.feature-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ============================================
   Progress Section
   ============================================ */

.progress-section {
    padding: 80px 0;
    background: var(--bg-surface);
}

.progress-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.progress-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.card-header svg {
    width: 24px;
    height: 24px;
    color: var(--primary);
}

.card-header h3 {
    font-size: 1rem;
    font-weight: 700;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.stat-box {
    background: var(--bg-surface);
    border-radius: var(--radius-md);
    padding: 16px;
    text-align: center;
}

.stat-box .stat-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    display: block;
}

.stat-box .stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.empty-state {
    text-align: center;
    padding: 32px;
    color: var(--text-muted);
}

.empty-state svg {
    width: 48px;
    height: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state p {
    font-size: 0.9rem;
}

.activity-list, .history-list {
    max-height: 250px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
}

.actions-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-main);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
    text-align: left;
}

.action-btn:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

.action-btn svg {
    width: 20px;
    height: 20px;
    color: var(--primary);
}

.action-btn.danger {
    color: var(--danger);
}

.action-btn.danger svg {
    color: var(--danger);
}

.action-btn.danger:hover {
    background: rgba(255, 82, 82, 0.1);
    border-color: var(--danger);
}

/* ============================================
   Footer
   ============================================ */

.footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    padding: 60px 24px 24px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    max-width: 280px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.footer-column h4 {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.footer-column a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 6px 0;
    transition: var(--transition);
}

.footer-column a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ============================================
   Modal
   ============================================ */

.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.modal.hidden {
    display: none;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
}

.modal-content {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 32px;
    max-width: 400px;
    width: 100%;
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-close svg {
    width: 20px;
    height: 20px;
}

.modal-header {
    text-align: center;
    margin-bottom: 24px;
}

.modal-header svg {
    width: 48px;
    height: 48px;
    color: var(--primary);
    margin-bottom: 16px;
}

.modal-header h2 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.modal-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.login-form {
    margin-bottom: 16px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-main);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.modal-footer {
    text-align: center;
}

.modal-footer p {
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* ============================================
   Mobile Scroll Fixes
   ============================================ */

/* Mobile scroll fixes are handled in the responsive section below */

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-subtitle {
        max-width: 100%;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .featured-course {
        grid-template-columns: 1fr;
    }
    
    .featured-content {
        padding: 32px;
    }
    
    .featured-image {
        min-height: 250px;
    }
}

@media (max-width: 768px) {
    /* Ensure body can scroll on mobile */
    html, body {
        height: auto !important;
        min-height: 100vh;
        overflow-y: auto !important;
        overflow-x: hidden;
        -webkit-overflow-scrolling: touch;
        touch-action: pan-y;
        position: relative;
    }
    
    .nav-links,
    .nav-actions {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .hero {
        padding: 100px 16px 60px;
    }
    
    .hero-stats {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }
    
    .progress-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Ensure all sections are scrollable */
    .section-container {
        padding: 0 16px;
    }
    
    .hero,
    .courses-section,
    .features-section,
    .progress-section {
        padding-left: 0;
        padding-right: 0;
        position: relative;
        overflow: visible;
    }
    
    /* Fix modal scrolling on mobile */
    .modal {
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .modal-content {
        margin: 20px;
        max-height: calc(100vh - 40px);
        overflow-y: auto;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn-primary,
    .hero-cta .btn-outline {
        width: 100%;
    }
    
    .course-filters {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-btn {
        width: 100%;
    }
    
    .featured-actions {
        flex-direction: column;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .course-meta {
        flex-direction: column;
        gap: 8px;
    }
}

/* ============================================
   Utility
   ============================================ */

.hidden {
    display: none !important;
}

/* Ensure all scrollable containers work on mobile */
@media (max-width: 768px) {
    .courses-grid,
    .features-grid,
    .progress-grid {
        overflow: visible;
    }
    
    /* Fix for iOS Safari scrolling */
    @supports (-webkit-touch-callout: none) {
        body {
            position: relative;
            height: auto;
            min-height: -webkit-fill-available;
        }
        
        html {
            height: -webkit-fill-available;
        }
    }
}

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

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

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-hover);
}