/**
 * Techknow Africa - Main Stylesheet
 * Primary Color: #084584 (Deep Blue)
 * Secondary Color: #ef8700 (Orange)
 * 
 * This stylesheet integrates all website modules with a cohesive design system.
 */

/* CSS Reset & Variables */
:root {
    /* Primary Colors - Blue Theme */
    --primary-color: #084584;
    --primary-dark: #063566;
    --primary-darker: #042a4d;
    --primary-light: #0a5aa8;
    --primary-lighter: #e6f0f9;
    
    /* Secondary Colors - Orange Theme */
    --secondary-color: #ef8700;
    --secondary-dark: #d07800;
    --secondary-darker: #b06800;
    --secondary-light: #ff9e2e;
    --secondary-lighter: #fff4e6;
    
    /* Neutral Colors */
    --text-color: #1a1a2e;
    --text-light: #4a4a68;
    --text-muted: #8888a0;
    --text-muted-light: #b8b8c8;
    
    /* Background Colors */
    --bg-color: #ffffff;
    --bg-light: #f8f9fc;
    --bg-lighter: #f0f2f8;
    --bg-dark: #1a1a2e;
    --bg-overlay: rgba(8, 69, 132, 0.95);
    
    /* Status Colors */
    --success-color: #10b981;
    --success-light: #d1fae5;
    --error-color: #ef4444;
    --error-light: #fee2e2;
    --warning-color: #f59e0b;
    --warning-light: #fef3c7;
    --info-color: #3b82f6;
    --info-light: #dbeafe;
    
    /* Border Colors */
    --border-color: #e5e7eb;
    --border-light: #f0f2f8;
    --border-focus: var(--primary-color);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(8, 69, 132, 0.05);
    --shadow-md: 0 4px 12px rgba(8, 69, 132, 0.08);
    --shadow-lg: 0 8px 24px rgba(8, 69, 132, 0.12);
    --shadow-xl: 0 16px 48px rgba(8, 69, 132, 0.16);
    --shadow-secondary: 0 4px 12px rgba(239, 135, 0, 0.15);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 12px;
    --font-size-sm: 14px;
    --font-size-base: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    --font-size-3xl: 30px;
    --font-size-4xl: 36px;
    --font-size-5xl: 48px;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
    
    /* Layout */
    --container-width: 1200px;
    --header-height: 80px;
}

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

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

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

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

a:hover {
    color: var(--secondary-color);
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

ul, ol {
    list-style: none;
}

/* Container */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ==================== TYPOGRAPHY ==================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--primary-color);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

.text-primary { color: var(--primary-color); }
.text-secondary { color: var(--secondary-color); }
.text-muted { color: var(--text-muted); }

/* ==================== BUTTONS ==================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 10px 24px;
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    border: 2px solid var(--primary-color);
}

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

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

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

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

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

.btn-ghost {
    background: transparent;
    color: var(--primary-color);
}

.btn-ghost:hover {
    background: var(--primary-lighter);
    color: var(--primary-color);
}

.btn-sm {
    padding: 6px 12px;
    font-size: var(--font-size-xs);
}

.btn-lg {
    padding: 14px 32px;
    font-size: var(--font-size-base);
}

.btn-block {
    width: 100%;
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: var(--radius-full);
}

/* ==================== TOP BAR ==================== */

.top-bar {
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-xs) 0;
    font-size: var(--font-size-sm);
}

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.top-bar-contact {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

.contact-item svg {
    flex-shrink: 0;
    color: white;
}

.contact-item:hover {
    color: white;
}

.contact-separator {
    width: 1px;
    height: 20px;
    background: rgba(255, 255, 255, 0.4);
    flex-shrink: 0;
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.top-bar a.btn-secondary {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.top-bar a.btn-secondary:hover {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
    color: white;
}

.top-bar a {
    color: rgba(255, 255, 255, 0.9);
}

.top-bar a:hover {
    color: white;
}

.user-greeting {
    color: white;
    font-weight: 500;
}

/* ==================== MAIN HEADER ==================== */

.main-header {
    background: white;
    padding: var(--spacing-xs) 0;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-light);
}

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

.logo a {
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.logo-image {
    max-height: 50px;
    width: auto;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -0.5px;
}

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

.tagline {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-top: 2px;
}

.main-nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.nav-list > li {
    position: relative;
}

.nav-list a {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-color);
    font-weight: 500;
    font-size: var(--font-size-sm);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.nav-list a:hover,
.nav-list a.active {
    color: var(--primary-color);
    background: var(--primary-lighter);
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    transition: var(--transition-base);
}

.nav-list a:hover::after {
    width: 80%;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-sm);
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-color);
    border-radius: var(--radius-full);
    transition: var(--transition-base);
}

/* ==================== HERO SECTION ==================== */

.hero-section {
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-3xl) 0;
    position: relative;
    overflow: hidden;
    min-height: 510px;
    display: flex;
    align-items: center;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(8, 69, 132, 0.7);
    z-index: 1;
}

.hero-section .container {
    position: relative;
    z-index: 2;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(135deg, transparent 0%, rgba(239, 135, 0, 0.1) 100%);
    pointer-events: none;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -20%;
    width: 60%;
    height: 100%;
    background: radial-gradient(ellipse, rgba(239, 135, 0, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--secondary-color);
    color: white;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--secondary-color);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-size: 3.6rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: var(--spacing-lg);
    letter-spacing: -1px;
    color: #ffffff;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
    animation: fadeInUp 0.8s ease-out forwards;
    opacity: 0;
    transform: translateY(30px);
}

.hero-title span {
    color: var(--secondary-color);
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    opacity: 0.95;
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
    color: #ffffff;
    text-shadow: 0 1px 10px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 0.8s ease-out 0.2s forwards;
    opacity: 0;
    transform: translateY(30px);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.4s forwards;
    opacity: 0;
    transform: translateY(30px);
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-buttons .btn {
    padding: 14px 28px;
    font-size: var(--font-size-base);
}

.hero-buttons .btn-outline {
    border-color: rgba(255, 255, 255, 0.5);
    color: white;
}

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

/* Hero Stats */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.stat-card {
    background: white;
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    border: 2px solid var(--secondary-color);
    transition: var(--transition-base);
    cursor: pointer;
    text-decoration: none;
    display: block;
    animation: bounceInRight 0.6s ease-out forwards;
    opacity: 0;
}

.stat-card:nth-child(1) { animation-delay: 0.1s; }
.stat-card:nth-child(2) { animation-delay: 0.2s; }
.stat-card:nth-child(3) { animation-delay: 0.3s; }

@keyframes bounceInRight {
    0% {
        opacity: 0;
        transform: translateX(100px);
    }
    60% {
        opacity: 1;
        transform: translateX(-10px);
    }
    80% {
        transform: translateX(5px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

.stat-card:hover {
    background: rgba(255, 255, 255, 1);
    border-color: var(--primary-color);
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 12px 30px rgba(8, 69, 132, 0.2);
}

.stat-card:hover .stat-number {
    color: var(--primary-color);
}

.stat-card:hover .stat-label {
    color: var(--text-color);
}

.stat-number {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--secondary-color);
    line-height: 1;
    margin-bottom: var(--spacing-sm);
    transition: var(--transition-base);
}

.stat-label {
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary-color);
    font-weight: 600;
    transition: var(--transition-base);
}

/* ==================== SECTION STYLES ==================== */

.section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-label {
    display: inline-block;
    background: var(--primary-lighter);
    color: var(--primary-color);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.section-divider {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-full);
    margin: var(--spacing-lg) auto 0;
}

/* ==================== MODULE CARDS ==================== */

/* Generic Module Card */
.module-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: var(--transition-base);
}

.module-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.module-card-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.module-card-icon svg {
    width: 28px;
    height: 28px;
}

.module-card-icon.primary {
    background: var(--primary-lighter);
    color: var(--primary-color);
}

.module-card-icon.secondary {
    background: var(--secondary-lighter);
    color: var(--secondary-color);
}

.module-card-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.module-card-description {
    color: var(--text-light);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-lg);
}

.module-card-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 500;
    color: var(--primary-color);
}

.module-card-link:hover {
    color: var(--secondary-color);
    gap: var(--spacing-md);
}

/* ==================== NEWS SECTION ==================== */

.news-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
}

/* Article Cards */
.article-card {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: var(--transition-base);
    margin-bottom: var(--spacing-lg);
}

.article-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.article-card.featured {
    flex-direction: column;
    padding: 0;
    overflow: hidden;
}

.article-card.featured .article-image {
    width: 100%;
    height: 350px;
}

.article-card.featured .article-content {
    padding: var(--spacing-xl);
}

.article-image {
    width: 220px;
    height: 160px;
    object-fit: cover;
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.article-card.featured .article-image {
    width: 100%;
    height: 300px;
}

.article-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.article-category {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--primary-lighter);
    color: var(--primary-color);
    padding: 4px 12px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    width: fit-content;
}

.article-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
    color: var(--text-color);
}

.article-card.featured .article-title {
    font-size: var(--font-size-2xl);
}

.article-title a {
    color: inherit;
}

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

.article-excerpt {
    color: var(--text-light);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    flex: 1;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.article-meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* ==================== SIDEBAR ==================== */

.sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.sidebar-widget {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

.sidebar-widget-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--secondary-color);
    display: inline-block;
}

/* ==================== JOBS SECTION ==================== */

.jobs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--spacing-lg);
}

.job-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    border-left: 4px solid var(--secondary-color);
    transition: var(--transition-base);
}

.job-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-left-color: var(--primary-color);
}

.job-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.job-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.job-company {
    font-size: var(--font-size-sm);
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.job-company::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--secondary-color);
    border-radius: 50%;
}

.job-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
}

.job-meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.job-type {
    display: inline-flex;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 500;
    text-transform: capitalize;
}

.job-type.full-time { background: var(--success-light); color: var(--success-color); }
.job-type.part-time { background: var(--warning-light); color: var(--warning-color); }
.job-type.contract { background: var(--info-light); color: var(--info-color); }
.job-type.internship { background: var(--error-light); color: var(--error-color); }
.job-type.remote { background: var(--primary-lighter); color: var(--primary-color); }

.job-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* ==================== COURSES SECTION ==================== */

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

.course-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: var(--transition-base);
}

.course-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.course-thumbnail {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.course-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-base);
}

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

.course-badge {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    background: var(--secondary-color);
    color: white;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.course-level {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: rgba(0, 0, 0, 0.6);
    color: white;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 500;
    text-transform: capitalize;
}

.course-content {
    padding: var(--spacing-xl);
}

.course-category {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
}

.course-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.course-title a {
    color: var(--text-color);
}

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

.course-excerpt {
    color: var(--text-light);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.course-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-light);
}

.course-instructor {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.course-price {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-color);
}

.course-price.free {
    color: var(--success-color);
}

.course-stats {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.course-stat {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* ==================== PARTNERS SECTION ==================== */

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--spacing-lg);
}

.partner-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    text-align: center;
    transition: var(--transition-base);
}

.partner-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.partner-logo {
    width: 100%;
    height: 80px;
    object-fit: contain;
    margin-bottom: var(--spacing-md);
}

.partner-name {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.partner-type {
    font-size: var(--font-size-xs);
    color: var(--secondary-color);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 1px;
}

/* ==================== DONATE SECTION ==================== */

.donate-section {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 50%, var(--secondary-darker) 100%);
    color: white;
    padding: var(--spacing-3xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.donate-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 50%;
    height: 200%;
    background: radial-gradient(ellipse, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
}

.donate-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    right: -10%;
    width: 40%;
    height: 150%;
    background: radial-gradient(ellipse, rgba(8, 69, 132, 0.2) 0%, transparent 70%);
}

.donate-content {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.donate-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: white;
}

.donate-text {
    font-size: var(--font-size-lg);
    opacity: 0.95;
    margin-bottom: var(--spacing-2xl);
    line-height: 1.7;
}

.donation-options {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.donation-amount {
    background: white;
    color: var(--secondary-color);
    padding: 16px 32px;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-xl);
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition-base);
}

.donation-amount:hover {
    transform: scale(1.08);
    box-shadow: var(--shadow-lg);
}

/* ==================== NEWSLETTER SECTION ==================== */

.newsletter-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: var(--spacing-3xl) 0;
}

.newsletter-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.newsletter-text h2 {
    color: white;
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
}

.newsletter-text p {
    opacity: 0.9;
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-md);
    max-width: 500px;
}

.newsletter-form input {
    flex: 1;
    padding: 14px 20px;
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
}

.newsletter-form input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(239, 135, 0, 0.3);
}

.newsletter-form .btn {
    white-space: nowrap;
}

/* ==================== FORMS ==================== */

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-color);
    font-size: var(--font-size-sm);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    transition: var(--transition-fast);
    background: white;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(8, 69, 132, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

/* ==================== ALERTS ==================== */

.alert {
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.alert-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.alert-error {
    background: var(--error-light);
    color: var(--error-color);
    border: 1px solid var(--error-color);
}

.alert-success {
    background: var(--success-light);
    color: var(--success-color);
    border: 1px solid var(--success-color);
}

.alert-warning {
    background: var(--warning-light);
    color: var(--warning-color);
    border: 1px solid var(--warning-color);
}

.alert-info {
    background: var(--info-light);
    color: var(--info-color);
    border: 1px solid var(--info-color);
}

/* ==================== PAGINATION ==================== */

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-2xl);
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: white;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition-fast);
    border: 1px solid var(--border-color);
}

.pagination a:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.pagination .current {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* ==================== BREAKING NEWS ==================== */

.breaking-news {
    background: var(--bg-light);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border-color);
}

.breaking-news-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.breaking-label {
    background: var(--secondary-color);
    color: white;
    padding: 4px 16px;
    font-size: var(--font-size-xs);
    font-weight: 700;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 1px;
    flex-shrink: 0;
}

.news-ticker {
    flex: 1;
    overflow: hidden;
    display: flex;
    gap: var(--spacing-2xl);
}

.ticker-item {
    white-space: nowrap;
    animation: ticker 30s linear infinite;
    color: var(--text-color);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

@keyframes ticker {
    0% { transform: translateX(100%); }
    100% { transform: translateX(-100%); }
}

/* ==================== MAIN CONTENT ==================== */

main {
    min-height: calc(100vh - 400px);
    padding: var(--spacing-2xl) 0;
}

/* Page Headers */
.page-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-2xl) 0;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
}

.page-header h1 {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
}

.page-header p {
    font-size: var(--font-size-lg);
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

/* ==================== FOOTER ==================== */

.main-footer {
    background: var(--bg-dark);
    color: white;
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-section h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: white;
    margin-bottom: var(--spacing-lg);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--secondary-color);
    border-radius: var(--radius-full);
}

.footer-description {
    color: var(--text-muted-light);
    font-size: var(--font-size-sm);
    line-height: 1.7;
    margin-top: var(--spacing-md);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-section ul a {
    color: var(--text-muted-light);
    font-size: var(--font-size-sm);
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-section ul a::before {
    content: '';
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    transition: var(--transition-fast);
}

.footer-section ul a:hover {
    color: var(--secondary-color);
    padding-left: var(--spacing-sm);
}

.footer-section ul a:hover::before {
    width: 8px;
}

/* Newsletter in Footer */
.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.newsletter-form input {
    flex: 1;
    padding: 10px 16px;
    border: none;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

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

.newsletter-form input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.15);
}

.newsletter-form .btn {
    flex-shrink: 0;
}

/* Social Links */
.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    color: white;
    transition: var(--transition-base);
}

.social-link:hover {
    background: var(--secondary-color);
    color: white;
    transform: translateY(-3px);
}

/* Footer Bottom */
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: var(--font-size-sm);
    color: var(--text-muted-light);
}

.footer-links {
    display: flex;
    gap: var(--spacing-xl);
}

.footer-links a {
    color: var(--text-muted-light);
}

.footer-links a:hover {
    color: var(--secondary-color);
}

/* ==================== AUTH PAGES ==================== */

.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 200px);
    padding: var(--spacing-xl);
}

.auth-card {
    background: white;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 450px;
    border: 1px solid var(--border-light);
}

.auth-card-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.auth-card h2 {
    margin-bottom: var(--spacing-sm);
}

.auth-tagline {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.auth-footer {
    text-align: center;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    color: var(--text-light);
    font-size: var(--font-size-sm);
}

/* ==================== EMPTY STATE ==================== */

.empty-state {
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-xl);
    color: var(--text-muted);
}

.empty-state-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--spacing-xl);
    color: var(--border-color);
}

.empty-state h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
}

/* ==================== BADGES ==================== */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-primary { background: var(--primary-lighter); color: var(--primary-color); }
.badge-secondary { background: var(--secondary-lighter); color: var(--secondary-color); }
.badge-success { background: var(--success-light); color: var(--success-color); }
.badge-error { background: var(--error-light); color: var(--error-color); }
.badge-warning { background: var(--warning-light); color: var(--warning-color); }

/* ==================== TABS ==================== */

.tabs {
    display: flex;
    gap: var(--spacing-sm);
    border-bottom: 2px solid var(--border-light);
    margin-bottom: var(--spacing-xl);
}

.tab {
    padding: var(--spacing-md) var(--spacing-lg);
    font-weight: 500;
    color: var(--text-muted);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: var(--transition-fast);
    cursor: pointer;
}

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

.tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

/* ==================== MODAL ==================== */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: var(--spacing-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
}

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

.modal {
    background: white;
    border-radius: var(--radius-xl);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: var(--transition-base);
}

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

.modal-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}

.modal-close:hover {
    background: var(--bg-light);
}

.modal-body {
    padding: var(--spacing-xl);
}

.modal-footer {
    padding: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
}

/* ==================== LOADING SPINNER ==================== */

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

/* ==================== RESPONSIVE DESIGN ==================== */

@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-stats {
        max-width: 500px;
        margin: 0 auto;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .newsletter-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .newsletter-form {
        max-width: 400px;
        margin: 0 auto;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-4xl: 28px;
        --font-size-5xl: 36px;
        --header-height: 60px;
    }
    
    /* Hide Top Stories slider on mobile */
    #top-stories {
        display: none !important;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    /* Top bar - hide on mobile */
    .top-bar {
        display: none;
    }
    
    /* Header */
    .main-header {
        padding: 10px 0;
    }
    
    .header-content {
        padding: 0 10px;
    }
    
    .logo-text {
        font-size: 18px;
    }
    
    .nav-list {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    /* Hero Section */
    .hero-section {
        padding: var(--spacing-2xl) 0;
        min-height: auto;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .stat-card {
        padding: var(--spacing-lg);
    }
    
    .stat-number {
        font-size: var(--font-size-2xl);
    }
    
    /* Section titles */
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .section-subtitle {
        font-size: var(--font-size-base);
    }
    
    /* News Grid */
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .article-card {
        flex-direction: column;
    }
    
    .article-image {
        width: 100%;
        height: 200px;
    }
    
    /* Jobs Grid */
    .jobs-grid {
        grid-template-columns: 1fr;
    }
    
    /* Courses Grid */
    .courses-grid {
        grid-template-columns: 1fr;
    }
    
    /* Partners Grid */
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Module Cards */
    .card-grid {
        grid-template-columns: 1fr;
    }
    
    /* Form elements */
    .form-row {
        grid-template-columns: 1fr;
    }
    
    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    /* Newsletter */
    .newsletter-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .newsletter-form input {
        width: 100%;
    }
    
    /* Donation options */
    .donation-options {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .donation-amount {
        padding: 12px 20px;
        font-size: var(--font-size-lg);
    }
    
    /* Auth pages */
    .auth-container {
        padding: var(--spacing-lg);
    }
    
    .auth-card {
        padding: var(--spacing-xl);
    }
    
    /* Page header */
    .page-header {
        padding: var(--spacing-xl) var(--spacing-md);
    }
    
    .page-header h1 {
        font-size: var(--font-size-2xl);
    }
    
    /* Pagination */
    .pagination {
        flex-wrap: wrap;
    }
    
    /* Table container */
    .table-container {
        overflow-x: auto;
    }
    
    .data-table {
        min-width: 600px;
    }
    
    /* Filters */
    .filters-grid {
        grid-template-columns: 1fr;
    }
    
    /* Category grid */
    .category-grid {
        grid-template-columns: 1fr;
    }
    
    /* Module cards in main */
    main .card-grid {
        grid-template-columns: 1fr;
    }
    
    /* Pricing */
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    /* Testimonials */
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    /* Features */
    .features-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .btn {
        padding: 10px 16px;
        font-size: var(--font-size-sm);
    }
    
    .btn-lg {
        padding: 12px 20px;
    }
    
    .stat-card {
        padding: var(--spacing-md);
    }
    
    .stat-number {
        font-size: var(--font-size-2xl);
    }
    
    .page-header h1 {
        font-size: var(--font-size-2xl);
    }
    
    /* Module cards */
    .module-card {
        padding: var(--spacing-lg);
    }
    
    /* Sidebar widgets */
    .sidebar-widget {
        padding: var(--spacing-lg);
    }
    
    /* Job card */
    .job-card {
        padding: var(--spacing-lg);
    }
    
    /* Course card */
    .course-content {
        padding: var(--spacing-md);
    }
    
    /* Donate section */
    .donate-title {
        font-size: var(--font-size-2xl);
    }
    
    /* Footer */
    .main-footer {
        padding: var(--spacing-2xl) 0 var(--spacing-md);
    }
    
    /* Auth card */
    .auth-card {
        padding: var(--spacing-lg);
    }
    
    /* Post content */
    .post-content {
        font-size: var(--font-size-base);
    }
    
    .post-title {
        font-size: var(--font-size-2xl);
    }
    
    /* Author box */
    .author-box {
        flex-direction: column;
        text-align: center;
    }
    
    /* Chat widget */
    .chat-widget {
        width: 100%;
        height: 100%;
        max-height: 100%;
        border-radius: 0;
    }
    
    /* Error page */
    .error-code {
        font-size: 80px;
    }
    
    /* Partners */
    .partner-card {
        padding: var(--spacing-md);
    }
    
    /* Form groups */
    .form-group {
        margin-bottom: var(--spacing-md);
    }
    
    .form-group input,
    .form-group textarea,
    .form-group select {
        padding: 10px 12px;
    }
}

/* ==================== UTILITY CLASSES ==================== */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.hidden { display: none !important; }
.visible { visibility: visible; }
.invisible { visibility: hidden; }

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

.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }

.shadow { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

.overflow-hidden { overflow: hidden; }
.relative { position: relative; }
.absolute { position: absolute; }

.w-full { width: 100%; }
.h-full { height: 100%; }

.object-cover { object-fit: cover; }

/* ==================== ANIMATIONS ==================== */

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fadeIn { animation: fadeIn 0.5s ease; }
.animate-slideUp { animation: slideUp 0.5s ease; }
.animate-slideDown { animation: slideDown 0.5s ease; }

/* ==================== SINGLE POST PAGE ==================== */

.single-post {
    max-width: 800px;
    margin: 0 auto;
}

.post-header {
    margin-bottom: var(--spacing-xl);
}

.post-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
}

.post-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.post-content {
    font-size: var(--font-size-lg);
    line-height: 1.8;
}

.post-content h2 {
    color: var(--primary-color);
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
}

.post-content h3 {
    color: var(--text-color);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.post-content p {
    margin-bottom: var(--spacing-lg);
}

.post-content blockquote {
    border-left: 4px solid var(--secondary-color);
    padding: var(--spacing-lg) var(--spacing-xl);
    margin: var(--spacing-xl) 0;
    background: var(--bg-light);
    font-style: italic;
}

.post-content ul,
.post-content ol {
    margin: var(--spacing-lg) 0;
    padding-left: var(--spacing-xl);
}

.post-content li {
    margin-bottom: var(--spacing-sm);
    list-style: disc;
}

/* Author Box */
.author-box {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-2xl);
}

.author-avatar {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
    background: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    flex-shrink: 0;
}

.author-info h4 {
    margin-bottom: var(--spacing-xs);
}

.author-info p {
    color: var(--text-light);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
}

/* Share Buttons */
.share-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
}

/* ==================== STUDENT DASHBOARD ==================== */

.dashboard-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: var(--spacing-2xl) 0;
    margin-bottom: var(--spacing-2xl);
}

.dashboard-welcome {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.dashboard-stat {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.dashboard-stat-value {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary-color);
}

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

/* ==================== CHAT WIDGET ==================== */

/* Chat Launcher Button */
.chat-launcher {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
    border-radius: var(--radius-full);
    box-shadow: 0 4px 20px rgba(239, 135, 0, 0.4);
    cursor: pointer;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
    border: none;
}

.chat-launcher:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(239, 135, 0, 0.5);
}

.chat-launcher svg {
    width: 28px;
    height: 28px;
    fill: white;
}

.chat-launcher::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: rgba(239, 135, 0, 0.4);
    animation: chatPulse 2s ease-out infinite;
    z-index: -1;
}

@keyframes chatPulse {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(1.5); opacity: 0; }
}

.chat-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--secondary-color);
    color: white;
    font-size: 11px;
    font-weight: 600;
    min-width: 20px;
    height: 20px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 6px;
    animation: badgePop 0.3s ease-out;
}

.chat-notification-tooltip {
    position: absolute;
    left: -200px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--primary-color);
    color: white;
    padding: 8px 12px;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    white-space: nowrap;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    pointer-events: none;
}

.chat-notification-tooltip::after {
    content: '';
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    border-left: 8px solid var(--primary-color);
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
}

.chat-launcher:hover .chat-notification-tooltip {
    opacity: 1;
    visibility: visible;
    left: -220px;
}

/* Chat Widget Container */
.chat-widget {
    position: fixed;
    bottom: 90px;
    right: var(--spacing-xl);
    width: 380px;
    height: 500px;
    max-height: calc(100vh - 120px);
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    z-index: 10001;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform-origin: bottom right;
    animation: chatSlideIn 0.3s ease-out;
    border-top: 4px solid var(--secondary-color);
}

.chat-widget.closed {
    display: none;
}

@keyframes chatSlideIn {
    from { opacity: 0; transform: translateY(20px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Chat Widget Responsive */
@media (max-width: 768px) {
    .chat-widget {
        bottom: 0;
        right: 0;
        left: 0;
        width: 100%;
        height: calc(100vh - 80px);
        max-height: calc(100vh - 80px);
        border-radius: var(--radius-xl) var(--radius-xl) 0 0;
        transform-origin: bottom center;
    }
    
    .chat-launcher {
        bottom: var(--spacing-md);
        right: var(--spacing-md);
        width: 50px;
        height: 50px;
    }
    
    .chat-launcher svg {
        width: 24px;
        height: 24px;
    }
    
    .chat-notification-tooltip {
        display: none;
    }
}

.chat-header {
    background: linear-gradient(135deg, #084584 0%, #063566 50%, #ef8700 100%);
    color: white;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 2px 10px rgba(8, 69, 132, 0.3);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.chat-header-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.chat-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.chat-avatar {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-status-dot {
    width: 12px;
    height: 12px;
    background: var(--success-color);
    border-radius: var(--radius-full);
    border: 2px solid white;
    position: absolute;
    bottom: 0;
    right: 0;
}

.chat-info-text h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: 2px;
    color: white;
}

.chat-info-text p {
    font-size: var(--font-size-xs);
    opacity: 0.85;
    color: white;
}

.chat-close-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.chat-close-btn:hover {
    background: var(--secondary-color);
    transform: rotate(90deg);
}

.chat-close-btn svg {
    width: 18px;
    height: 18px;
    fill: white;
}

/* Chat Notification Bell */
.chat-notification-bell {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
    position: relative;
}

.chat-notification-bell:hover {
    background: rgba(255, 255, 255, 0.3);
}

.chat-notification-bell svg {
    width: 20px;
    height: 20px;
    fill: white;
}

.notification-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    background: #ef4444;
    color: white;
    font-size: 10px;
    font-weight: 600;
    min-width: 18px;
    height: 18px;
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
}

.chat-messages {
    flex: 1;
    overflow-x: hidden;
    overflow-y: auto;
    padding: var(--spacing-lg);
    background: var(--bg-light);
}

.chat-input-area {
    padding: var(--spacing-md);
    background: white;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.chat-input-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-light);
    border: 2px solid var(--border-color);
    border-radius: 24px;
    padding: 4px 12px;
}

.chat-input-wrapper:focus-within {
    border-color: var(--primary-color);
}

.chat-input {
    flex: 1;
    padding: 8px 0;
    border: none;
    background: transparent;
    font-size: var(--font-size-sm);
    outline: none;
}

.chat-attachment-btn,
.chat-emoji-btn {
    background: transparent;
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.chat-attachment-btn:hover,
.chat-emoji-btn:hover {
    background: var(--primary-lighter);
}

.chat-attachment-btn svg,
.chat-emoji-btn svg {
    width: 20px;
    height: 20px;
    fill: var(--text-muted);
}

.chat-attachment-btn:hover svg,
.chat-emoji-btn:hover svg {
    fill: var(--primary-color);
}

.chat-send-btn {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #ef8700 0%, #d07800 100%);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(239, 135, 0, 0.4);
    position: relative;
    overflow: hidden;
}

.chat-send-btn::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: scale(0);
    transition: transform 0.3s ease;
}

.chat-send-btn:hover {
    background: linear-gradient(135deg, #084584 0%, #063566 100%);
    box-shadow: 0 6px 20px rgba(8, 69, 132, 0.4);
    transform: scale(1.05);
}

.chat-send-btn:hover::before {
    transform: scale(1);
}

.chat-send-btn:active {
    transform: scale(0.95);
}

.chat-send-btn svg {
    width: 20px;
    height: 20px;
    fill: white;
    position: relative;
    z-index: 1;
}

/* Emoji Picker */
.chat-emoji-picker {
    position: absolute;
    bottom: 70px;
    left: 20px;
    width: 300px;
    max-height: 250px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.15);
    padding: 12px;
    display: none;
    z-index: 10002;
    overflow-y: auto;
    border: 1px solid var(--border-color);
}

.chat-emoji-picker::-webkit-scrollbar {
    width: 6px;
}

.chat-emoji-picker::-webkit-scrollbar-track {
    background: var(--bg-light);
    border-radius: 3px;
}

.chat-emoji-picker::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.emoji-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    font-size: 22px;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.15s ease;
}

.emoji-item:hover {
    background: var(--primary-lighter);
    transform: scale(1.2);
}

/* Notifications List */
.chat-notifications-list {
    position: absolute;
    top: 70px;
    right: 10px;
    width: 280px;
    max-height: 300px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.15);
    z-index: 10002;
    overflow-y: auto;
    border: 1px solid var(--border-color);
}

.notification-item {
    display: flex;
    gap: 12px;
    padding: 12px;
    border-bottom: 1px solid var(--border-light);
    cursor: pointer;
    transition: background 0.2s ease;
}

.notification-item:hover {
    background: var(--bg-light);
}

.notification-item:last-child {
    border-bottom: none;
}

.notification-item-icon {
    width: 36px;
    height: 36px;
    background: var(--primary-lighter);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

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

.notification-item-content {
    flex: 1;
    min-width: 0;
}

.notification-item-content p {
    font-size: 13px;
    color: var(--text-color);
    margin: 0 0 4px 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.notification-item-time {
    font-size: 11px;
    color: var(--text-muted);
}

.notification-empty {
    padding: 20px;
    text-align: center;
    color: var(--text-muted);
    font-size: 14px;
}

/* Message Bubbles */
.chat-message {
    margin-bottom: var(--spacing-md);
    animation: messageFadeIn 0.3s ease-out;
}

@keyframes messageFadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.chat-message.visitor {
    display: flex;
    justify-content: flex-end;
}

.chat-message.admin {
    display: flex;
    justify-content: flex-start;
}

.message-bubble {
    max-width: 75%;
    padding: 10px 16px;
    border-radius: 18px;
    font-size: var(--font-size-sm);
    line-height: 1.5;
    word-wrap: break-word;
    overflow-wrap: break-word;
    overflow-x: hidden;
}

.message-image {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    margin-top: 8px;
    cursor: pointer;
    display: block;
    max-height: 200px;
    object-fit: cover;
}

.message-file {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    margin-top: 8px;
    overflow: hidden;
}

.message-file svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.message-file a {
    color: inherit;
    text-decoration: none;
    font-size: 13px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 180px;
}

.message-file a:hover {
    text-decoration: underline;
}

.chat-message.visitor .message-bubble {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    border-bottom-right-radius: 4px;
}

.chat-message.admin .message-bubble {
    background: white;
    color: var(--text-color);
    border-bottom-left-radius: 4px;
    border: 1px solid var(--border-color);
}

.message-time {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
    display: block;
}

.chat-message.visitor .message-time {
    text-align: right;
}

/* Responsive Chat */
@media (max-width: 480px) {
    .chat-widget {
        width: calc(100% - 32px);
        right: 16px;
        left: 16px;
        bottom: 90px;
        height: calc(100vh - 150px);
    }
    
    .message-bubble {
        max-width: 85%;
        padding: 8px 12px;
        font-size: 13px;
    }
    
    .chat-emoji-picker {
        width: calc(100% - 40px);
        left: 20px;
        right: 20px;
    }
}

/* ==================== PRE-CHAT FORM ==================== */

.chat-prechat {
    flex: 1;
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow-y: auto;
}

.chat-prechat h4 {
    text-align: center;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.chat-prechat p {
    text-align: center;
    color: var(--text-light);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xl);
}

.chat-prechat .form-group {
    margin-bottom: var(--spacing-md);
}

.chat-prechat input,
.chat-prechat select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
}

.chat-prechat input:focus,
.chat-prechat select:focus {
    outline: none;
    border-color: var(--secondary-color);
}

.chat-start-btn {
    width: 100%;
    margin-top: var(--spacing-md);
}

/* ==================== CATEGORY PAGE ==================== */

.category-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: var(--spacing-3xl) 0;
    margin-bottom: var(--spacing-2xl);
}

.category-title {
    font-size: var(--font-size-4xl);
    color: white;
    margin-bottom: var(--spacing-sm);
}

.category-description {
    opacity: 0.9;
    font-size: var(--font-size-lg);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

/* ==================== SEARCH RESULTS ==================== */

.search-header {
    margin-bottom: var(--spacing-2xl);
}

.search-title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
}

.search-results-count {
    color: var(--text-muted);
}

.search-form {
    max-width: 600px;
    margin-bottom: var(--spacing-xl);
}

.search-input-wrapper {
    position: relative;
}

.search-input-wrapper input {
    width: 100%;
    padding: 14px 20px 14px 50px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: var(--font-size-lg);
}

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

.search-icon {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

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

/* ==================== PRICING CARDS ==================== */

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    border: 2px solid var(--border-light);
    transition: var(--transition-base);
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.pricing-card.featured {
    border-color: var(--primary-color);
    position: relative;
}

.pricing-card.featured::before {
    content: 'Most Popular';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 4px 16px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.pricing-card-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.pricing-card-price {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.pricing-card-price span {
    font-size: var(--font-size-base);
    color: var(--text-muted);
    font-weight: 400;
}

.pricing-features {
    text-align: left;
    margin: var(--spacing-xl) 0;
}

.pricing-features li {
    padding: var(--spacing-sm) 0;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.pricing-features li::before {
    content: '✓';
    color: var(--success-color);
    font-weight: 600;
}

/* ==================== TESTIMONIALS ==================== */

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.testimonial-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

.testimonial-content {
    font-size: var(--font-size-lg);
    font-style: italic;
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.testimonial-avatar {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background: var(--primary-lighter);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: 600;
}

.testimonial-name {
    font-weight: 600;
    color: var(--text-color);
}

.testimonial-role {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

/* ==================== FEATURE BOXES ==================== */

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.feature-box {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: var(--transition-base);
}

.feature-box:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-lg);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-lighter);
    color: var(--primary-color);
}

.feature-box:nth-child(even) .feature-icon {
    background: var(--secondary-lighter);
    color: var(--secondary-color);
}

.feature-icon svg {
    width: 32px;
    height: 32px;
}

.feature-title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    color: var(--text-light);
    font-size: var(--font-size-sm);
}

/* ==================== CTA SECTIONS ==================== */

.cta-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: var(--spacing-3xl) 0;
    text-align: center;
}

.cta-title {
    font-size: var(--font-size-3xl);
    color: white;
    margin-bottom: var(--spacing-md);
}

.cta-text {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.cta-section.secondary {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
}

/* ==================== ERROR PAGES ==================== */

.error-page {
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-2xl);
}

.error-code {
    font-size: 120px;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: var(--spacing-md);
}

.error-code span {
    color: var(--secondary-color);
}

.error-title {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
}

.error-message {
    color: var(--text-light);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* ==================== COOKIE CONSENT ==================== */

.cookie-consent {
    position: fixed;
    bottom: var(--spacing-xl);
    left: var(--spacing-xl);
    right: var(--spacing-xl);
    max-width: 400px;
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-xl);
    z-index: 9998;
    transform: translateY(100px);
    opacity: 0;
    transition: var(--transition-base);
}

.cookie-consent.active {
    transform: translateY(0);
    opacity: 1;
}

.cookie-consent h4 {
    margin-bottom: var(--spacing-sm);
}

.cookie-consent p {
    color: var(--text-light);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-lg);
}

.cookie-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

@media (max-width: 480px) {
    .cookie-consent {
        left: var(--spacing-md);
        right: var(--spacing-md);
        bottom: var(--spacing-md);
    }
    
    .cookie-buttons {
        flex-direction: column;
    }
}

/* ==================== BREADCRUMBS ==================== */

.breadcrumbs {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
}

.breadcrumbs a {
    color: var(--text-muted);
}

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

.breadcrumbs span {
    color: var(--text-muted);
}

.breadcrumb-separator {
    color: var(--border-color);
}

/* ==================== TOOLTIP ==================== */

[data-tooltip] {
    position: relative;
}

[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 12px;
    background: var(--bg-dark);
    color: white;
    font-size: var(--font-size-xs);
    border-radius: var(--radius-sm);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-fast);
    pointer-events: none;
    z-index: 100;
}

[data-tooltip]:hover::after {
    opacity: 1;
    visibility: visible;
    bottom: calc(100% + 8px);
}

/* ==================== DROPDOWN MENU ==================== */

.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
    padding: var(--spacing-sm);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition-fast);
    z-index: 100;
}

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

.dropdown-item {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-color);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-sm);
}

.dropdown-item:hover {
    background: var(--primary-lighter);
    color: var(--primary-color);
}

.dropdown-divider {
    height: 1px;
    background: var(--border-light);
    margin: var(--spacing-sm) 0;
}

/* ==================== FILTERS SECTION ==================== */

.filters-section {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    margin-bottom: var(--spacing-xl);
}

.filters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.filter-group label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
}

.filter-group select,
.filter-group input {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
}

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

.search-box {
    position: relative;
}

.search-box input {
    padding-left: 44px;
}

.search-box svg {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    width: 20px;
    height: 20px;
}

/* ==================== CARD GRID ==================== */

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: var(--transition-base);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-body {
    padding: var(--spacing-lg);
}

.card-title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
}

.card-text {
    color: var(--text-light);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

.card-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-light);
    border-top: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* ==================== PROGRESS BAR ==================== */

.progress {
    height: 8px;
    background: var(--bg-light);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-full);
    transition: width 0.5s ease;
}

.progress-sm {
    height: 4px;
}

.progress-lg {
    height: 12px;
}

/* ==================== AVATAR ==================== */

.avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--primary-lighter);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    overflow: hidden;
}

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

.avatar-sm { width: 32px; height: 32px; font-size: var(--font-size-xs); }
.avatar-lg { width: 56px; height: 56px; font-size: var(--font-size-xl); }
.avatar-xl { width: 80px; height: 80px; font-size: var(--font-size-2xl); }

/* ==================== LIST GROUP ==================== */

.list-group {
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    overflow: hidden;
}

.list-group-item {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-fast);
}

.list-group-item:last-child {
    border-bottom: none;
}

.list-group-item:hover {
    background: var(--bg-light);
}

/* ==================== TABLE STYLES ==================== */

.table-container {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: left;
    border-bottom: 1px solid var(--border-light);
}

.data-table th {
    background: var(--primary-color);
    color: white;
    font-weight: 500;
    font-size: var(--font-size-sm);
    white-space: nowrap;
}

.data-table tr:hover {
    background: var(--bg-light);
}

.data-table tr:last-child td {
    border-bottom: none;
}

/* ==================== SWITCH TOGGLE ==================== */

.switch {
    position: relative;
    width: 48px;
    height: 26px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.switch-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--border-color);
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}

.switch-slider::before {
    content: '';
    position: absolute;
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}

.switch input:checked + .switch-slider {
    background: var(--primary-color);
}

.switch input:checked + .switch-slider::before {
    transform: translateX(22px);
}

/* ==================== CHECKBOX & RADIO ==================== */

.checkbox-wrapper,
.radio-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.checkbox-wrapper input,
.radio-wrapper input {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.checkbox-label,
.radio-label {
    font-size: var(--font-size-sm);
    color: var(--text-color);
}

/* ==================== TAGS ==================== */

.tag {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 4px 10px;
    background: var(--bg-light);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    color: var(--text-light);
}

.tag-primary {
    background: var(--primary-lighter);
    color: var(--primary-color);
}

.tag-secondary {
    background: var(--secondary-lighter);
    color: var(--secondary-color);
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

/* ==================== ICON BUTTONS ==================== */

.icon-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: var(--text-muted);
    transition: var(--transition-fast);
}

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

.icon-btn-sm {
    width: 32px;
    height: 32px;
}

.icon-btn-lg {
    width: 48px;
    height: 48px;
}

/* ==================== SKeleton Loading ==================== */

.skeleton {
    background: linear-gradient(90deg, var(--bg-light) 25%, var(--bg-lighter) 50%, var(--bg-light) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--radius-md);
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.skeleton-text {
    height: 16px;
    margin-bottom: var(--spacing-sm);
}

.skeleton-text:last-child {
    width: 80%;
}

.skeleton-title {
    height: 24px;
    width: 60%;
    margin-bottom: var(--spacing-md);
}

.skeleton-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
}

.skeleton-image {
    width: 100%;
    height: 200px;
}

/* ==================== BACK TO TOP ==================== */

.back-to-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 48px;
    height: 48px;
    background: var(--primary-color);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition-base);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-4px);
}

@media (max-width: 768px) {
    .back-to-top {
        bottom: var(--spacing-lg);
        right: var(--spacing-lg);
    }
}

/* ==================== PRINT STYLES ==================== */

@media print {
    .top-bar,
    .main-header,
    .main-footer,
    .chat-launcher,
    .back-to-top {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
    }
    
    .container {
        max-width: 100%;
        padding: 0;
    }
    
    a {
        text-decoration: none;
        color: black;
    }
}