/* Custom properties */
:root {
    --primary: #f1c40f;
    /* Yellow/Gold */
    --primary-light: #f4d03f;
    --primary-dark: #d4ac0d;
    --secondary: #1a252f;
    /* Deep Navy */
    --text-main: #2c3e50;
    --text-muted: #7f8c8d;
    --bg-main: #ffffff;
    --bg-light: #f9f9f9;
    --border: #e2e8f0;
    --card-bg: #ffffff;
    --navbar-bg: #1a252f;
    --footer-bg: #0c1926;
    --transition: all 0.3s ease;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --radius-md: 4px;
    --radius-lg: 8px;
    --radius-xl: 12px;
}


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

html {
    scroll-behavior: smooth;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 5rem 0;
}

.bg-light {
    background-color: var(--bg-light);
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text-main);
}

h1 {
    font-size: 3rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.5rem;
}

span.highlight {
    color: var(--primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

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

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

.btn-outline-primary {
    background-color: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
}

.btn-outline-primary:hover {
    background-color: var(--primary);
    color: white;
}

.btn-white {
    background-color: var(--card-bg);
    color: var(--primary);
}

.btn-white:hover {
    background-color: var(--border);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--navbar-bg);
    z-index: 1000;
    padding: 0.75rem 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.5px;
}

.logo i {
    font-size: 1.8rem;
}

/* Desktop Nav Links */
.nav-links-desktop {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links-desktop a, .dropdown-trigger {
    color: #ccced1;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
}

.nav-links-desktop a:hover, .dropdown-trigger:hover {
    color: var(--primary);
}

/* Actions Header Cluster */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.icon-action-btn {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    color: #fff;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition);
}

.icon-action-btn:hover {
    background: var(--primary);
    color: var(--secondary);
}

/* User Pill Desktop */
.user-pill {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    color: #fff;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    cursor: pointer;
    font-family: inherit;
    transition: var(--transition);
}

.user-pill:hover {
    border-color: var(--primary);
    background: rgba(255,255,255,0.12);
}

.user-pill i:first-child { color: var(--primary); font-size: 1.25rem; }

/* Auth Buttons Cluster */
.auth-btns-group {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.login-btn { color: #fff; font-weight: 700; font-size: 0.9rem; }
.register-btn { 
    background: var(--primary); 
    color: var(--secondary); 
    padding: 0.6rem 1.2rem; 
    border-radius: 8px; 
    font-weight: 800; 
    font-size: 0.9rem;
    box-shadow: 0 4px 10px rgba(241, 196, 15, 0.3);
}

/* Mobile Toggle Hamburger */
.mobile-toggle-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-toggle-btn .bar {
    width: 25px;
    height: 3px;
    background: #fff;
    border-radius: 10px;
    transition: var(--transition);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    height: 100vh;
    background: #1a252f;
    z-index: 2000;
    transition: 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    display: flex;
    flex-direction: column;
    box-shadow: -10px 0 40px rgba(0,0,0,0.5);
}

.mobile-menu-overlay.active { right: 0; }

.mobile-menu-header {
    padding: 2rem;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.close-menu {
    background: none;
    border: none;
    color: #fff;
    font-size: 2.5rem;
    cursor: pointer;
    line-height: 1;
}

.mobile-menu-body {
    padding: 0 1.5rem 2rem;
    overflow-y: auto;
}

.user-mobile-section {
    padding: 2rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    margin-bottom: 1.5rem;
}

.user-info-mob {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: #fff;
}

.user-info-mob i { font-size: 2.5rem; color: var(--primary); }
.user-info-mob .name { font-weight: 800; font-size: 1.1rem; }
.user-info-mob .role { font-size: 0.8rem; color: #888; }

.mobile-nav-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.mobile-nav-list li a, .submenu-trigger {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    color: #ccced1;
    font-weight: 700;
    font-size: 1rem;
    border-radius: 12px;
    transition: var(--transition);
}

.mobile-nav-list li a i, .submenu-trigger i:first-child { width: 25px; font-size: 1.2rem; }

.mobile-nav-list li a:hover, .submenu-trigger:hover {
    background: rgba(255,255,255,0.05);
    color: var(--primary);
}

.has-submenu .submenu-trigger { justify-content: space-between; cursor: pointer; }
.submenu-list {
    margin-right: 3rem;
    display: none;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.has-submenu.open .submenu-list { display: flex; }
.has-submenu.open .submenu-trigger i:last-child { transform: rotate(180deg); }

.mobile-nav-list .divider { height: 1px; background: rgba(255,255,255,0.05); margin: 1rem 0; }

@media (max-width: 992px) {
    .desk-only { display: none !important; }
    .mobile-toggle-btn { display: flex !important; }
    .nav-right { gap: 1rem; }
    .logo span { font-size: 1.4rem; }
}

/* Hero Section with BG Image */
.hero-section {
    position: relative;
    padding: 6rem 0 4rem;
    min-height: 500px;
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('https://images.unsplash.com/photo-1524178232363-1fb2b075b655?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: #fff;
    text-align: center;
    border-bottom: 4px solid var(--primary);
}

.hero-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem 1rem;
    gap: 3.5rem;
    height: 100%;
}

.hero-content {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-content h1 {
    color: #fff;
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 2rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.search-container {
    max-width: 850px;
    width: 100%;
    margin: 0 auto;
}

.search-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 1.5rem;
    border: 1.5px solid #ff7675;
    border-radius: 50px;
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(5px);
    margin-top: -3rem; /* Moves it up */
    margin-bottom: 1rem;
    font-weight: 700;
    font-size: 0.9rem;
}

.badge-status {
    color: #ff7675;
}

.badge-brand {
    color: #ffffff;
}

.badge-pipe {
    color: rgba(255, 255, 255, 0.5);
    font-weight: 400;
}

.typing-cursor {
    color: #ff7675;
    font-weight: 300;
    animation: blink 0.7s infinite;
    margin-right: 2px;
}

.typing-cursor.done {
    animation: fadeOut 0.5s forwards;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

@keyframes fadeOut {
    to { opacity: 0; }
}

.search-box {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 0.4rem;
    border-radius: 50px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.search-box:focus-within {
    background: rgba(255, 255, 255, 0.35);
    border-color: var(--primary);
}

.search-box input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    padding: 0.8rem 1.5rem;
    color: #fff;
    font-size: 1.1rem;
    font-weight: 600;
}

.search-box input::placeholder {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

.search-btn {
    width: 45px;
    height: 45px;
    background: #fff;
    color: #333;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition);
}

.search-btn:hover {
    background: var(--primary);
    transform: scale(1.05);
}

.hero-stats-row {
    display: flex;
    flex-direction: row;
    justify-content: center;
    gap: 4rem;
    width: 100%;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.hero-stats-row .stat-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #fff;
    font-weight: 700;
}

.hero-stats-row .stat-item i {
    font-size: 1.5rem;
    color: #fff;
}

.hero-stats-row .stat-count {
    font-size: 1.15rem;
}

/* Breadcrumbs */
.breadcrumb-nav {
    background: #fff;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
}

.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    list-style: none;
    font-size: 0.9rem;
}

.breadcrumbs li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-muted);
}

.breadcrumbs li a {
    color: var(--secondary);
    font-weight: 600;
}

.breadcrumbs li i {
    font-size: 0.8rem;
}

/* Category Grid */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}


/* Category Redesign (Coursat Style) */
.category-section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.category-section-header h2 {
    font-size: 1.8rem;
    color: var(--secondary);
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.header-underline {
    width: 60px;
    height: 3px;
    background: var(--primary);
    margin: 0 auto;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0 3rem;
}

.premium-cat-card {
    position: relative;
    height: 180px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: block;
    transition: var(--transition);
    border: 1px solid var(--border);
    background: #000;
}

.cat-card-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform 0.6s ease;
}

.cat-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(1px);
    transition: var(--transition);
}

.cat-card-content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #fff;
    gap: 0.8rem;
    padding: 1.5rem;
    text-align: center;
}

.cat-card-content i {
    font-size: 2.25rem;
    transition: var(--transition);
}

.cat-card-content h3 {
    font-size: 1.5rem;
    font-weight: 800;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    margin: 0;
}

/* Hover Effects */
.premium-cat-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.premium-cat-card:hover .cat-card-img {
    transform: scale(1.1);
}

.premium-cat-card:hover .cat-card-overlay {
    background: rgba(0, 0, 0, 0.3);
}

.premium-cat-card:hover .cat-card-content i {
    transform: scale(1.15);
    color: var(--primary);
}

/* View All Categories Button */
.view-all-categories {
    display: flex;
    justify-content: center;
    margin-top: 1rem;
}

.btn-view-all {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.8rem 1.75rem;
    background: #fff;
    color: var(--secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-weight: 700;
    font-size: 1rem;
    transition: var(--transition);
}

.btn-view-all:hover {
    background: var(--bg-light);
    border-color: var(--secondary);
    color: var(--primary);
}

/* Nav Dropdown */
.nav-dropdown {
    position: relative;
    margin-right: 1.5rem;
}

.dropdown-btn {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: var(--transition);
}

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

.dropdown-btn i:last-child {
    font-size: 0.75rem;
    opacity: 0.7;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 15px);
    right: 0;
    width: 220px;
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    list-style: none;
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.dropdown-menu::before {
    content: '';
    position: absolute;
    top: -6px;
    right: 30px;
    width: 12px;
    height: 12px;
    background: #fff;
    transform: rotate(45deg);
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li a {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1.5rem;
    color: var(--secondary);
    font-weight: 600;
    font-size: 0.95rem;
    position: relative;
    transition: var(--transition);
}

.dropdown-menu li a i {
    color: var(--primary);
    width: 20px;
}

.dropdown-menu li a:hover {
    background: var(--bg-light);
    color: var(--primary);
}

.dropdown-menu li a::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 0;
    background: var(--primary);
    transition: var(--transition);
}

.dropdown-menu li a:hover::after {
    height: 70%;
}

.premium-cat-card:hover .cat-details h3 {
    color: var(--primary-dark);
}

/* User Dropdown */
.user-dropdown {
    position: relative;
    display: inline-block;
}

.user-dropdown-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-family: inherit;
    transition: var(--transition);
}

.user-dropdown-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--primary);
}

.user-dropdown-btn i:first-child {
    font-size: 1.2rem;
    color: var(--primary);
}

.user-menu {
    position: absolute;
    top: calc(100% + 15px);
    left: 0;
    min-width: 220px;
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    list-style: none;
    padding: 0.75rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    z-index: 1001;
    border: 1px solid var(--border);
}

.user-menu::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 30px;
    width: 12px;
    height: 12px;
    background: #fff;
    transform: rotate(45deg);
    border-top: 1px solid var(--border);
    border-left: 1px solid var(--border);
}

.user-dropdown:hover .user-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-menu li a {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.8rem 1.5rem;
    color: var(--secondary);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
}

.user-menu li a:hover {
    background: var(--bg-light);
    color: var(--primary);
}

.user-menu li a i {
    width: 20px;
    text-align: center;
    color: var(--text-muted);
    font-size: 1.1rem;
}

.user-menu li a:hover i {
    color: var(--primary);
}

.user-menu .divider {
    height: 1px;
    background: var(--border);
    margin: 0.5rem 0;
}

.logout-link {
    color: #e74c3c !important;
}

.logout-link:hover {
    background: #fff5f5 !important;
}

.logout-link i {
    color: #e74c3c !important;
}

.cat-count {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    background: var(--bg-light);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-weight: 600;
}

/* Premium Sub Card */
.sub-grid {
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}

.premium-sub-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    border: 1px solid var(--border);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
    text-decoration: none !important;
    position: relative;
    overflow: hidden;
}

.premium-sub-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
    transform-origin: right;
}

.premium-sub-card:hover::before {
    transform: scaleX(1);
}

.premium-sub-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
}

.sub-icon-box {
    width: 80px;
    height: 80px;
    background: rgba(26, 37, 47, 0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--secondary);
    transition: var(--transition);
}

.sub-icon-box i {
    transition: transform 0.3s ease;
}

.premium-sub-card:hover .sub-icon-box {
    background: var(--primary);
    color: var(--secondary);
}

.premium-sub-card:hover .sub-icon-box i {
    transform: scale(1.15);
}

.sub-info h3 {
    font-size: 1.25rem;
    color: var(--text-main);
    margin-bottom: 1rem;
}

.btn-explore {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.premium-sub-card:hover .btn-explore {
    background: var(--primary);
    color: var(--secondary);
    border-color: var(--primary);
}

/* Full Width Main Content */
.content.full-width {
    width: 100%;
}

.no-courses {
    text-align: center;
    padding: 3rem;
    background: #fff;
    border-radius: var(--radius-md);
    color: var(--text-muted);
}

/* Layout Global */
.layout-container {
    display: flex;
    gap: 2rem;
    padding: 3rem 1.5rem;
}

/* Sidebar */
.sidebar {
    width: 280px;
    flex-shrink: 0;
}

.sidebar-widget {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
}

.sidebar-widget h3 {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: var(--secondary);
    border-bottom: 2px solid var(--primary);
    display: inline-block;
    padding-bottom: 0.5rem;
}

.category-list li {
    margin-bottom: 0.5rem;
}

.category-list a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
    color: var(--text-main);
    font-weight: 600;
    font-size: 0.95rem;
}

.category-list a i {
    color: var(--primary);
    width: 20px;
}

.category-list a .count {
    margin-right: auto;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.category-list a:hover {
    color: var(--primary);
}

/* Main Content */
.content {
    flex: 1;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.section-header h2 {
    font-size: 1.75rem;
    margin: 0;
}

.section-header h2 span {
    color: var(--primary);
}


/* Course Card Premium (Coursat Style) */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.course-card-premium {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.course-card-premium:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

.course-thumb {
    position: relative;
    height: 180px;
}

.course-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.lang-badge {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(26, 37, 47, 0.85);
    color: #fff;
    padding: 0.2rem 0.6rem;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 4px;
}

.instructor-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    background: rgba(255, 255, 255, 0.95);
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    box-shadow: 0 4px 10px rgba(0,0,0,0.12);
    border: 1px solid rgba(255,255,255,1);
    z-index: 10;
}

.badge-icon {
    font-size: 1rem;
    color: var(--primary);
}

.badge-text {
    display: flex;
    flex-direction: column;
    text-align: right;
}

.instructor-name-label {
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--secondary);
    line-height: 1.2;
}

.category-name-label {
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--text-muted);
}

.course-info {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.course-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--secondary);
    margin-bottom: 1rem;
    line-height: 1.4;
    min-height: 3.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    line-clamp: 2;
    overflow: hidden;
}

.course-meta-row {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1rem;
    width: 100%;
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
}

.course-meta-row span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-direction: row-reverse;
}

.course-rating {
    display: flex;
    gap: 0.2rem;
    color: #f1c40f;
    font-size: 0.8rem;
}

/* Top Instructors Section */
.instructors-header {
    margin-top: 5rem;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-top: 0.5rem;
    font-weight: 600;
}

.instructors-grid {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2.5rem;
    margin: 3rem 0;
}

.instructor-card-premium {
    flex: 0 1 200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: var(--transition);
}

.instructor-avatar-wrapper {
    position: relative;
    width: 150px;
    height: 150px;
    margin-bottom: 1.5rem;
}

.instructor-avatar {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    border: 4px solid #fff;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.courses-badge {
    position: absolute;
    bottom: 5px;
    right: 5px;
    background: var(--primary);
    color: var(--secondary);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 800;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.instructor-name {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--secondary);
    margin-bottom: 0.75rem;
}

.btn-instructor-view {
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 700;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border: 1px solid var(--primary);
    border-radius: 20px;
    transition: var(--transition);
}

.btn-instructor-view:hover {
    background: var(--primary);
    color: var(--secondary);
}

.instructor-card-premium:hover {
    transform: translateY(-10px);
}

.instructor-card-premium:hover .instructor-avatar {
    box-shadow: 0 15px 35px rgba(241, 196, 15, 0.3);
    border-color: var(--primary);
}

@media (max-width: 768px) {
    .instructors-grid {
        gap: 1.5rem;
    }
    .instructor-avatar-wrapper {
        width: 120px;
        height: 120px;
    }
}

.avatar-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #f1c40f; /* Brand yellow fallback */
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

.instructor-avatar {
    position: relative;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    border: 4px solid #fff;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    z-index: 2;
}

.featured-header {
    margin-top: 5rem;
}

/* Featured Grid Custom Layout - To make them 3 large cards */
.featured-grid {
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 2.5rem;
    margin-top: 3rem;
}

.featured-grid .course-thumb {
    height: 260px; /* Much larger image */
}

.featured-grid .course-info {
    padding: 2.5rem 2rem; /* More spacious content */
}

.featured-grid .course-title {
    font-size: 1.6rem; /* Larger title */
    min-height: 4.5rem;
    margin-bottom: 1.5rem;
}

.featured-grid .course-meta-row {
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

.featured-grid .btn-watch {
    width: 100%;
    padding: 1rem;
    font-size: 1.15rem;
}

/* Responsive adjustments for featured grid */
@media (max-width: 1024px) {
    .featured-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .featured-grid {
        grid-template-columns: 1fr !important;
    }
    .featured-grid .course-thumb {
        height: 220px;
    }
}


/* About Page Styles */
.about-page {
    padding: 4rem 0;
    background: #f8f9fa;
    min-height: calc(100vh - 400px);
}

.container-narrow {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.about-card {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: 0 5px 25px rgba(0,0,0,0.05);
    overflow: hidden;
    border: 1px solid var(--border);
}

.about-card-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border);
    background: #fff;
}

.about-card-header h2 {
    font-size: 1.4rem;
    color: var(--secondary);
    font-weight: 800;
    margin: 0;
}

.about-card-body {
    padding: 3rem 4rem;
    text-align: center;
}

.about-logo-section {
    margin-bottom: 3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.about-text-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 3rem;
    font-weight: 900;
    color: var(--secondary);
}

.about-text-logo i {
    color: var(--primary);
}

.about-content {
    text-align: right;
    line-height: 1.8;
    color: var(--text-main);
    font-size: 1.1rem;
}

.about-content p {
    margin-bottom: 1.5rem;
}

.about-divider {
    height: 1px;
    background: var(--border);
    margin: 2.5rem 0;
}

.about-sub-section h3 {
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 1.25rem;
    color: var(--secondary);
}

.site-link {
    margin-top: 2rem;
    font-weight: 700;
}

.site-link a {
    color: #0d6efd;
    text-decoration: none;
}

.site-link a:hover {
    text-decoration: underline;
}


/* FAQ Page Styles */
.faq-page {
    padding: 4rem 0;
    min-height: calc(100vh - 400px);
}

.faq-accordion {
    margin-top: 3rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.faq-question {
    width: 100%;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: none;
    border: none;
    cursor: pointer;
    text-align: right;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--secondary);
    transition: var(--transition);
}

.faq-question span {
    flex: 1;
}

.faq-question i {
    font-size: 0.9rem;
    color: var(--text-muted);
    transition: transform 0.3s ease;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
    background: #fafafa;
    border-top: 0 solid var(--border);
}

.faq-answer p {
    padding: 1.5rem 2rem;
    line-height: 1.8;
    color: var(--text-main);
}

/* Active State */
.faq-item.active {
    border-color: var(--primary);
    border-right: 4px solid var(--primary);
    box-shadow: var(--shadow-md);
}

.faq-item.active .faq-question {
    color: var(--primary);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
    color: var(--primary);
}

.faq-item.active .faq-answer {
    max-height: 500px;
    border-top-width: 1px;
}


/* Article Card Styles */
.articles-page {
    padding: 2rem 0 5rem;
}

.article-card {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.article-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    border-color: var(--primary);
}

.article-thumb {
    position: relative;
    height: 200px;
}

.article-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

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

.article-cat-badge {
    position: absolute;
    bottom: 12px;
    right: 12px;
    background: var(--primary);
    color: var(--secondary);
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 800;
    border-radius: 4px;
}

.article-info {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    text-align: right;
}

.article-title {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--secondary);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    line-clamp: 2;
    overflow: hidden;
    min-height: 3.3rem;
}

.article-meta-row {
    display: flex;
    justify-content: flex-start;
    gap: 1.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
    flex-direction: row-reverse;
}

.article-meta-row span {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-direction: row-reverse;
}

.article-date {
    font-size: 0.85rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-direction: row-reverse;
}

.btn-read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: auto;
    padding: 0.6rem 1.25rem;
    background: var(--secondary);
    color: #fff;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 0.9rem;
    text-decoration: none;
    transition: var(--transition);
    align-self: flex-start;
}

.btn-read-more:hover {
    background: var(--primary);
    color: var(--secondary);
}

/* Call to Action Premium Styling */
.cta-section {
    padding: 7rem 0;
    background: var(--bg-light);
}

.cta-card {
    max-width: 1000px;
    margin: 0 auto;
    background: linear-gradient(135deg, var(--secondary) 0%, #2c3e50 100%);
    padding: 5rem 3rem;
    border-radius: var(--radius-xl);
    color: #fff;
    text-align: center;
    box-shadow: 0 25px 60px rgba(26, 37, 47, 0.25);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.cta-card::after {
    content: '';
    position: absolute;
    bottom: -30%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(241, 196, 15, 0.08) 0%, transparent 70%);
    z-index: 1;
}

.cta-card h2 {
    color: #fff;
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 2;
    letter-spacing: -0.5px;
}

.cta-card p {
    color: #bdc3c7;
    font-size: 1.25rem;
    max-width: 650px;
    margin: 0 auto 3rem;
    position: relative;
    z-index: 2;
    line-height: 1.8;
}

.cta-btns {
    display: flex;
    justify-content: center;
    gap: 2rem;
    position: relative;
    z-index: 2;
}

.cta-btns .btn {
    min-width: 180px;
    padding: 1.1rem 2.5rem;
    font-size: 1.1rem;
    border-radius: 50px;
}

/* Footer */
.footer {
    background-color: var(--footer-bg);
    color: #fff;
    padding-top: 4rem;
}

.footer-container {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 3rem;
    padding-bottom: 3rem;
}

.footer-col h3 {
    color: #fff;
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.footer-col a {
    display: block;
    color: #bdc3c7;
    margin-bottom: 0.8rem;
    font-size: 0.95rem;
}

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

.footer-col.branding p {
    color: #bdc3c7;
    margin-top: 1rem;
    margin-bottom: 1.5rem;
    line-height: 1.7;
    font-size: 0.95rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 35px;
    height: 35px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.1rem;
}

.social-links a:hover {
    background: var(--primary);
    color: var(--secondary);
}

.newsletter p {
    color: #bdc3c7;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.newsletter-form {
    display: flex;
    gap: 0.5rem;
}

.newsletter-form input {
    flex: 1;
    padding: 0.75rem 1rem;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.03);
    color: #fff;
    outline: none;
}

.newsletter-form button {
    background: var(--primary);
    color: var(--secondary);
    border: none;
    padding: 0 1.25rem;
    border-radius: 4px;
    font-weight: 700;
    cursor: pointer;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 1.5rem 0;
    text-align: center;
    color: #7f8c8d;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 992px) {
    .layout-container {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        position: static;
    }

    .footer-container {
        grid-template-columns: 1fr 1fr;
    }

    .cta-container {
        flex-direction: column;
        text-align: center;
        padding: 3rem 2rem;
    }

    .cta-buttons {
        justify-content: center;
    }
}

@media (max-width: 768px) {

    .nav-links,
    .nav-actions {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .footer-container {
        grid-template-columns: 1fr;
    }

    h1 {
        font-size: 2.25rem;
    }

    h2 {
        font-size: 1.75rem;
    }
}

/* Login Layout */
.login-layout {
    padding: 8rem 0;
    min-height: 80vh;
    display: flex;
    align-items: center;
    background-color: var(--bg-light);
}

.login-card {
    max-width: 500px;
    width: 100%;
    margin: 0 auto;
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.1);
    padding: 4rem 3rem;
    border: 1px solid var(--border);
}

.login-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.login-logo {
    width: 80px;
    height: 80px;
    background: #fff;
    border: 2px solid var(--primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--primary);
    margin: 0 auto 1.5rem;
    transform: rotate(-10deg);
}

.login-header h2 {
    font-size: 1.5rem;
    color: var(--secondary);
    font-weight: 800;
}

.login-form .form-group {
    margin-bottom: 1.5rem;
}

.login-form label {
    display: block;
    margin-bottom: 0.6rem;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-muted);
}

.login-form input {
    width: 100%;
    padding: 0.8rem 1rem;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: var(--transition);
}

.login-form input:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 4px rgba(241, 196, 15, 0.15);
}

.btn-black {
    background: #1a252f;
    color: #fff;
    border: none;
    padding: 1rem;
    font-weight: 800;
    font-size: 1.1rem;
    width: 100%;
    margin-top: 1rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.btn-black:hover {
    background: #2c3e50;
    color: var(--primary);
}

.login-footer {
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.login-footer h3 {
    font-size: 0.95rem;
    color: var(--secondary);
    margin-bottom: 1rem;
    font-weight: 700;
}

.help-links {
    list-style: none;
}

.help-links li {
    margin-bottom: 0.8rem;
}

.help-links a {
    color: #3498db;
    font-size: 0.85rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.help-links a:hover {
    color: var(--primary);
    padding-right: 5px;
}

.container-center {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}

/* Registration Specific Styling */
.registration-card {
    max-width: 550px;
    padding: 3rem 2rem;
}

.required {
    color: #e74c3c;
    margin-right: 2px;
}

.registration-footer {
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.registration-footer a {
    color: #3498db;
    text-decoration: underline;
    font-weight: 700;
}

/* Category Tabs Navigation */
.category-tabs-nav {
    border-bottom: 2px solid var(--border);
    margin-bottom: 2.5rem;
    display: flex;
    justify-content: center;
    gap: 3rem;
    padding: 0 1rem;
}

.tab-link {
    padding: 1rem 0;
    font-weight: 700;
    color: var(--text-muted);
    font-size: 1.1rem;
    position: relative;
    cursor: pointer;
    transition: var(--transition);
    background: none;
    border: none;
    font-family: inherit;
    display: block;
}

.tab-link:hover {
    color: var(--secondary);
}

.tab-active {
    color: var(--secondary) !important;
}

.tab-active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    right: 0;
    width: 100%;
    height: 3px;
    background: var(--secondary);
}

/* Articles Grid in Category */
.articles-category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.no-articles {
    text-align: center;
    padding: 4rem;
    background: #fff;
    border-radius: var(--radius-lg);
    border: 1px dashed var(--border);
    color: var(--text-muted);
    grid-column: 1 / -1;
}

/* Watch Button Style */
.btn-watch {
    margin-top: 1.25rem;
    padding: 0.7rem 1.75rem;
    background-color: var(--secondary);
    color: #fff;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    transition: var(--transition);
    border: 2px solid var(--secondary);
    text-decoration: none !important;
}

.btn-watch:hover {
    background-color: transparent;
    color: var(--secondary);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(26, 37, 47, 0.15);
}

.btn-watch i {
    font-size: 0.8rem;
    background: var(--primary);
    color: var(--secondary);
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

/* Course Details Page Styles */
.course-details-page {
    background-color: var(--bg-light);
    min-height: 100vh;
    padding-top: 2rem;
}

.breadcrumb {
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.breadcrumb a:hover {
    color: var(--primary);
}

.course-grid-layout {
    display: flex;
    flex-wrap: wrap;
    gap: 2.5rem;
    flex-direction: row-reverse; /* For Arabic RTL Sidebar on Right */
}

/* Sidebar (Right) */
.course-sidebar {
    flex: 1;
    min-width: 320px;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.sidebar-card {
    background: #fff;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
}

.sidebar-thumb {
    margin: -1.5rem -1.5rem 1.5rem -1.5rem;
}

.sidebar-thumb img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.instructor-info {
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.instructor-info i {
    color: var(--primary);
}

.course-stats-sidebar {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    padding: 1rem 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.course-stats-sidebar .stat-item {
    flex: 0 0 calc(50% - 0.5rem);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.stat-item i {
    color: var(--primary);
}

.btn-enroll-premium {
    width: 100%;
    padding: 1rem;
    background: var(--primary);
    color: var(--secondary);
    border-radius: var(--radius-lg);
    font-weight: 700;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    transition: var(--transition);
}

.btn-enroll-premium:hover {
    background: var(--secondary);
    color: var(--primary);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.sidebar-title {
    font-size: 1.25rem;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--primary);
    display: inline-block;
}

.course-desc-text {
    color: var(--text-main);
    font-size: 1rem;
}

.related-articles-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.related-art-item {
    display: flex;
    gap: 1rem;
}

.related-art-item img {
    width: 80px;
    height: 60px;
    border-radius: var(--radius-md);
    object-fit: cover;
}

.art-mini-info h4 {
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.art-mini-info span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Main Content (Left) */
.course-main-content {
    flex: 3;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

@media (max-width: 992px) {
    .course-details-layout {
        flex-direction: column-reverse !important;
    }
}

.video-player-section {
    background: #fff;
    padding: 2rem;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.lesson-active-title {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
}

.video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
    border-radius: var(--radius-lg);
    background: #000;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.curriculum-section {
    background: #fff;
    padding: 2rem;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.curriculum-title {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.lessons-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.lesson-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.lesson-prefix {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.lesson-prefix i {
    color: var(--primary);
    font-size: 1.2rem;
}

.lesson-name {
    font-weight: 500;
    color: var(--text-main);
}

.lesson-duration {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.lesson-item:hover {
    background: #fff;
    border-color: var(--primary);
    transform: translateX(-5px);
}

.active-lesson {
    background: var(--secondary) !important;
    border-color: var(--primary);
}

.active-lesson .lesson-name,
.active-lesson .lesson-duration {
    color: #fff;
}

/* Responsive */
/* Profile Page */
.profile-card {
    background: #fff;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    padding: 3rem;
    max-width: 850px;
    margin: 0 auto;
    box-shadow: var(--shadow-md);
}

.profile-avatar-section {
    position: relative;
    width: 150px;
    height: 150px;
    margin: 0 auto 2rem;
}

.profile-avatar-wrapper {
    width: 100%;
    height: 100%;
    background: #bdc3c7;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: #fff;
    position: relative;
    overflow: hidden;
    border: 4px solid #fff;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.profile-avatar-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.camera-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0,0,0,0.5);
    color: #fff;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    opacity: 0.8;
    transition: var(--transition);
}

.profile-avatar-wrapper:hover .camera-icon {
    opacity: 1;
    background: rgba(0,0,0,0.7);
}

.profile-title {
    text-align: center;
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 3.5rem;
    color: var(--secondary);
}

.profile-tabs {
    display: flex;
    border-bottom: 2px solid var(--border);
    margin-bottom: 3rem;
    justify-content: flex-end;
}

.profile-tab-btn {
    padding: 1.25rem 2rem;
    font-weight: 700;
    color: var(--text-muted);
    background: none;
    border: none;
    font-family: inherit;
    cursor: pointer;
    position: relative;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.05rem;
}

.profile-tab-btn.active {
    color: var(--secondary);
    background: #fff;
    border: 1px solid var(--border);
    border-bottom: 2px solid #fff;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    margin-bottom: -2px;
}

.profile-tab-btn i {
    font-size: 1rem;
    color: var(--primary);
}

.profile-tab-content {
    display: none;
}

.profile-tab-content.active {
    display: block;
}

.profile-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem 2.5rem;
}

.profile-form-grid .form-group.full-width {
    grid-column: 1 / -1;
}

.profile-info-note {
    font-size: 0.9rem;
    color: #95a5a6;
    margin-top: 0.75rem;
    display: block;
    text-align: center;
}

.btn-save-profile {
    display: block;
    width: fit-content;
    margin: 4rem auto 0;
    padding: 1.25rem 4.5rem;
    background: #1a252f;
    color: #fff;
    font-weight: 800;
    font-size: 1.15rem;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.btn-save-profile:hover {
    background: var(--primary);
    color: var(--secondary);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.profile-card .form-group label {
    display: block;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--secondary);
    font-size: 0.95rem;
}

.profile-card .form-group label .red-star {
    color: #e74c3c;
    margin-right: 4px;
}

.profile-card .form-group input, 
.profile-card .form-group select {
    width: 100%;
    padding: 1.1rem 1.5rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-family: inherit;
    font-size: 1rem;
    background: #fff;
    transition: var(--transition);
    text-align: center;
}

.profile-card .form-group input:disabled {
    background: #f2f2f2;
    cursor: not-allowed;
    color: #7f8c8d;
    border-color: #ddd;
}

.profile-card .form-group input:focus, 
.profile-card .form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(241, 196, 15, 0.1);
}

@media (max-width: 768px) {
    .profile-form-grid {
        grid-template-columns: 1fr;
    }
    .profile-card {
        padding: 2rem 1.5rem;
    }
}

/* Customized Video Player & Summary Feature */
.video-player-wrapper {
    margin-bottom: 2rem;
    overflow: hidden;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    background: #fff;
    box-shadow: var(--shadow-md);
}

.custom-player-container {
    width: 100%;
    aspect-ratio: 16/9;
    background: #000;
}

.player-actions-row {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border);
    background: #fdfdfd;
}

.player-info-mini .lesson-tag {
    background: rgba(241, 196, 15, 0.1);
    color: var(--primary-dark);
    padding: 2px 10px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    display: inline-block;
}

.player-info-mini h3 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--secondary);
}

.btn-summarize {
    background: linear-gradient(135deg, #f1c40f, #f39c12);
    color: #fff;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(241, 196, 15, 0.3);
}

.btn-summarize i {
    font-size: 1.1rem;
    animation: sparkle 2s infinite ease-in-out;
}

@keyframes sparkle {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.3) rotate(15deg); opacity: 1; }
}

.btn-summarize:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 25px rgba(241, 196, 15, 0.45);
}

/* Summary Modal Styles */
.summary-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.summary-modal.active {
    opacity: 1;
    visibility: visible;
}

.summary-modal-content {
    background: #1a252f !important; /* Force Dark Navy */
    color: #ffffff !important;
    width: 90%;
    max-width: 650px;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(0,0,0,0.5);
    border: 1px solid rgba(255,255,255,0.1);
    transform: scale(0.8);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.summary-modal.active .summary-modal-content {
    transform: scale(1);
}

.summary-header {
    background: #141d26;
    padding: 1.5rem 2rem;
    color: #fff;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-left i {
    color: var(--primary);
    font-size: 1.5rem;
}

.header-left h2 {
    font-size: 1.25rem;
    margin: 0;
    color: inherit;
}

.close-summary {
    background: none;
    border: none;
    color: #fff;
    font-size: 2rem;
    cursor: pointer;
    line-height:1;
}

.summary-body {
    padding: 2.5rem;
    min-height: 250px;
    line-height: 1.8;
}

.summary-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.summary-text h3 {
    color: var(--primary-dark);
    margin-bottom: 1.5rem;
    border-bottom: 2px solid #f9f9f9;
    padding-bottom: 0.5rem;
}

.summary-text ul {
    list-style: none;
    padding: 0;
    margin-top: 1rem;
}

.summary-text li {
    position: relative;
    padding-right: 1.5rem;
    margin-bottom: 1rem;
}

.summary-text li::before {
    content: "←";
    position: absolute;
    right: 0;
    color: var(--primary);
    font-weight: bold;
}

.summary-note {
    background: rgba(241, 196, 15, 0.05);
    border-right: 4px solid var(--primary);
    padding: 1rem;
    margin-top: 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.9rem;
    color: #666;
}

.summary-footer {
    padding: 1rem 2rem;
    background: #f9f9f9;
    text-align: center;
    font-size: 0.8rem;
    color: #888;
    border-top: 1px solid #eee;
}

@media (max-width: 768px) {
    .player-actions-row {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .btn-summarize {
        width: 100%;
        justify-content: center;
    }
}

/* Truly Custom Player Controls */
.custom-player-container {
    position: relative;
    overflow: hidden;
}

.custom-player-controls {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(transparent, rgba(0,0,0,0.85));
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1.5rem 2rem;
    z-index: 100;
    opacity: 0;
    transform: translateY(15px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(4px);
}

.custom-player-container:hover .custom-player-controls {
    opacity: 1;
    transform: translateY(0);
}

.ctrl-btn {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    color: #fff;
    font-size: 1.1rem;
    cursor: pointer;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    border-radius: 50%;
}

.ctrl-btn:hover {
    background: var(--primary);
    color: var(--secondary);
    transform: scale(1.1);
    border-color: var(--primary);
}

.ctrl-progress-container {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
}

.ctrl-progress-bar {
    width: 100%;
    height: 6px;
    -webkit-appearance: none;
    appearance: none;
    background: rgba(255,255,255,0.25);
    border-radius: 10px;
    outline: none;
    cursor: pointer;
    transition: background 0.3s;
}

.ctrl-progress-bar:hover {
    background: rgba(255,255,255,0.35);
}

.ctrl-progress-bar::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: var(--primary);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 15px rgba(241, 196, 15, 0.4);
    border: 2px solid #fff;
}

.ctrl-time {
    color: #fff;
    font-size: 0.9rem;
    font-weight: 700;
    min-width: 100px;
    display: flex;
    gap: 0.5rem;
    font-family: 'Courier New', Courier, monospace;
}

.ctrl-volume-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.ctrl-volume-slider {
    width: 0;
    opacity: 0;
    -webkit-appearance: none;
    background: rgba(255,255,255,0.3);
    height: 5px;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.ctrl-volume-group:hover .ctrl-volume-slider {
    width: 70px;
    opacity: 1;
}

.ctrl-volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px;
    height: 12px;
    background: #fff;
    border-radius: 50%;
    cursor: pointer;
}

/* AI Chatbot Modal UI */
.chat-modal-ui {
    max-width: 600px !important;
    height: 80vh;
    display: flex;
    flex-direction: column;
    padding: 0 !important;
    overflow: hidden;
}

.chat-modal-ui .summary-header {
    padding: 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: #1a252f !important;
    overflow: hidden;
    position: relative;
}

.chat-messages {
    flex: 1;
    padding: 1.5rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.msg {
    max-width: 85%;
    display: flex;
}

.bot-msg { align-self: flex-start; }
.user-msg { align-self: flex-end; }

.msg-bubble {
    padding: 1rem 1.25rem;
    border-radius: 1.25rem;
    font-size: 0.95rem;
    line-height: 1.6;
}

.bot-msg .msg-bubble {
    background: #243447 !important;
    color: #ffffff !important;
    border: 1px solid rgba(255,255,255,0.1);
    border-bottom-left-radius: 4px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.bot-msg .msg-bubble * {
    color: #ffffff !important;
}

.user-msg .msg-bubble {
    background: var(--primary);
    color: var(--secondary);
    border-bottom-right-radius: 4px;
    font-weight: 600;
}

.msg-bubble h1, .msg-bubble h2, .msg-bubble h3 { 
    font-size: 1.15rem; 
    margin-bottom: 0.75rem; 
    color: #f1c40f !important; /* Brand Gold */
    font-weight: 800;
}
.msg-bubble p { margin-bottom: 0.75rem; }
.msg-bubble ul, .msg-bubble ol { padding-right: 1.5rem; margin-bottom: 0.75rem; }
.msg-bubble li { margin-bottom: 0.35rem; }

.chat-loading-indicator {
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--primary);
    font-size: 0.85rem;
    font-style: italic;
}

.spinner-small {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,0.1);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.chat-input-area {
    padding: 1.25rem;
    background: #141d26;
    border-top: 1px solid rgba(255,255,255,0.05);
}

#chat-form {
    display: flex;
    gap: 0.75rem;
}

#user-input {
    flex: 1;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 2rem;
    padding: 0.85rem 1.5rem;
    color: #fff;
    outline: none;
    transition: var(--transition);
}

#user-input:focus { border-color: var(--primary); background: rgba(255,255,255,0.1); }

#send-btn {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--secondary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: var(--transition);
}

#send-btn:hover { transform: scale(1.1); }

@media (max-width: 768px) {
    .chat-modal-ui { height: 90vh; width: 95% !important; }
}
/* Why Choose Us Section */
.features-section { background: linear-gradient(180deg, #fdfdfd 0%, #f7f9fc 100%); padding: 8rem 0; }
.features-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; margin-top: 4rem; }
.feature-card { background: #fff; padding: 2.5rem; border-radius: 20px; display: flex; align-items: center; gap: 1.5rem; border: 1px solid rgba(0,0,0,0.03); box-shadow: 0 10px 30px rgba(0,0,0,0.02); transition: var(--transition); }
.feature-card:hover { transform: translateY(-8px); box-shadow: 0 20px 45px rgba(0,0,0,0.06); border-color: rgba(241, 196, 15, 0.2); }
.feature-icon { width: 65px; height: 65px; background: rgba(241, 196, 15, 0.1); color: var(--primary); border-radius: 16px; display: flex; align-items: center; justify-content: center; font-size: 1.6rem; flex-shrink: 0; transition: var(--transition); }
.feature-card:hover .feature-icon { background: var(--primary); color: var(--secondary); transform: rotate(-5deg) scale(1.1); }
.feature-content { flex: 1; }
.feature-tag { font-size: 0.7rem; font-weight: 800; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; display: block; margin-bottom: 0.5rem; }
.feature-content h3 { font-size: 1.25rem; font-weight: 800; color: var(--secondary); margin-bottom: 0.8rem; line-height: 1.3; }
.feature-content p { font-size: 0.9rem; color: #666; line-height: 1.7; margin: 0; }
.reveal-anim { opacity: 0; transform: translateY(35px); transition: all 1s cubic-bezier(0.165, 0.84, 0.44, 1); }
.reveal-active { opacity: 1; transform: translateY(0); }
@media (max-width: 992px) { .features-grid { grid-template-columns: 1fr; } }