/* CSS variables are now set dynamically in index.php */

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-text);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    width: 30px;
    height: 25px;
    justify-content: space-between;
}

.mobile-menu-toggle span {
    display: block;
    height: 3px;
    width: 100%;
    background: white;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

/* Header */
.main-header {
    background: var(--primary-color);
    color: white;
    padding: 15px 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-section img {
    height: 60px;
}

.site-title h1 {
    font-size: 24px;
    margin-bottom: 5px;
}

.site-title p {
    font-size: 14px;
    opacity: 0.9;
}

.header-actions {
    display: flex;
    gap: 15px;
    align-items: center;
}

.lang-switch {
    background: rgba(255,255,255,0.2);
    padding: 8px 15px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
}

/* Navigation */
.main-nav {
    background: var(--secondary-color);
    margin-top: 10px;
}

.nav-menu {
    display: flex;
    list-style: none;
    justify-content: center;
    flex-wrap: wrap;
}

.nav-menu li a {
    display: block;
    color: white;
    padding: 12px 20px;
    text-decoration: none;
    transition: background 0.3s;
}

.nav-menu li a:hover {
    background: rgba(0,0,0,0.2);
}

/* Hero Section */
.hero {
    background: var(--gradient-1);
    color: white;
    padding: 120px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,133.3C960,128,1056,96,1152,90.7C1248,85,1344,107,1392,117.3L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.hero-content h1 {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    animation: fadeInUp 1s ease-out;
}

.subtitle {
    font-size: 22px;
    opacity: 0.95;
    margin-bottom: 40px;
    font-weight: 300;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.welcome-video {
    max-width: 800px;
    margin: 40px auto;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.welcome-video video {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-xl);
    border: 4px solid rgba(255,255,255,0.1);
}

/* Quick Stats */
.quick-stats {
    padding: 80px 20px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    position: relative;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.stat-box {
    background: white;
    color: var(--dark-text);
    padding: 40px 30px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-1);
}

.stat-box:nth-child(2)::before {
    background: var(--gradient-2);
}

.stat-box:nth-child(3)::before {
    background: var(--gradient-3);
}

.stat-box:nth-child(4)::before {
    background: var(--gradient-4);
}

.stat-box:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.stat-icon {
    font-size: 48px;
    margin-bottom: 20px;
    display: inline-block;
    animation: bounce 2s infinite;
}

.stat-box:nth-child(2) .stat-icon {
    animation-delay: 0.5s;
}

.stat-box:nth-child(3) .stat-icon {
    animation-delay: 1s;
}

.stat-box:nth-child(4) .stat-icon {
    animation-delay: 1.5s;
}

.stat-box h3 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 10px;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-box:nth-child(2) h3 {
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-box:nth-child(3) h3 {
    background: var(--gradient-3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-box:nth-child(4) h3 {
    background: var(--gradient-4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-box p {
    font-size: 16px;
    color: var(--light-text);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Sections */
section {
    padding: 60px 20px;
}

.section-title {
    font-size: 32px;
    text-align: center;
    margin-bottom: 40px;
    color: var(--primary-color);
}

/* Announcements */
.announcements-section {
    background: var(--light-bg);
    padding: 80px 20px;
}

.announcements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.announcement-card {
    background: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.announcement-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-1);
}

.announcement-card.priority-urgent::before {
    background: var(--gradient-2);
}

.announcement-card.priority-high::before {
    background: var(--gradient-3);
}

.announcement-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.announcement-badge {
    display: inline-block;
    background: var(--gradient-1);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.announcement-card.priority-urgent .announcement-badge {
    background: var(--gradient-2);
}

.announcement-card.priority-high .announcement-badge {
    background: var(--gradient-3);
}

.announcement-card h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 20px;
    font-weight: 600;
    line-height: 1.4;
}

.announcement-card p {
    color: var(--light-text);
    font-size: 15px;
    margin-bottom: 20px;
    line-height: 1.6;
}

.announcement-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    padding-top: 15px;
    border-top: 1px solid #e2e8f0;
}

.date {
    color: var(--light-text);
    font-weight: 500;
}

.download-link {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 6px;
    background: rgba(49, 130, 206, 0.1);
    transition: var(--transition);
}

.download-link:hover {
    background: var(--secondary-color);
    color: white;
}

/* Quick Links */
.quick-links {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 80px 20px;
    position: relative;
    overflow: hidden;
}

.quick-links::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.05" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,133.3C960,128,1056,96,1152,90.7C1248,85,1344,107,1392,117.3L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
}

.quick-links .section-title {
    color: white;
    position: relative;
    z-index: 1;
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 25px;
    position: relative;
    z-index: 1;
}

.link-card {
    background: rgba(255, 255, 255, 0.95);
    color: var(--primary-color);
    padding: 45px 25px;
    border-radius: var(--border-radius);
    text-align: center;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.link-card:hover {
    transform: translateY(-12px) scale(1.05);
    box-shadow: var(--shadow-xl);
    background: white;
}

.link-icon {
    font-size: 54px;
    display: block;
    margin-bottom: 20px;
    transition: var(--transition);
}

.link-card:hover .link-icon {
    transform: scale(1.2);
}

.link-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.link-card:hover h3 {
    color: var(--secondary-color);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 36px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 14px;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255,255,255,0.2);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

/* Footer */
.main-footer {
    background: var(--primary-color);
    color: white;
    padding: 40px 20px 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-section h3 {
    margin-bottom: 15px;
    font-size: 18px;
}

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

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
}

.footer-section ul li a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: 15px;
    font-size: 24px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 14px;
    opacity: 0.8;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 14px;
    opacity: 0.8;
}

/* Responsive */
@media (max-width: 768px) {
    .header-top {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .main-nav {
        position: relative;
    }
    
    .nav-menu {
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--secondary-color);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        z-index: 999;
    }
    
    .nav-menu.active {
        max-height: 500px;
        overflow-y: auto;
    }
    
    .nav-menu li {
        width: 100%;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    
    .nav-menu li:last-child {
        border-bottom: none;
    }
    
    .nav-menu li a {
        padding: 15px 20px;
        text-align: left;
    }
    
    .hero-content h1 {
        font-size: 32px;
    }
    
    .stats-grid,
    .announcements-grid,
    .links-grid {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .logo-section img {
        height: 40px;
    }
    
    .site-title h1 {
        font-size: 20px;
    }
    
    .site-title p {
        font-size: 12px;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* Enhanced Section Titles */
.section-title {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 50px;
    color: var(--primary-color);
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-1);
    border-radius: 2px;
}

/* Enhanced Header */
.main-header {
    background: var(--primary-color);
    color: white;
    padding: 20px 0;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

/* Enhanced Navigation */
.main-nav {
    background: rgba(49, 130, 206, 0.95);
    margin-top: 0;
    backdrop-filter: blur(10px);
}

.nav-menu li a {
    display: block;
    color: white;
    padding: 15px 25px;
    text-decoration: none;
    transition: var(--transition);
    font-weight: 500;
    position: relative;
}

.nav-menu li a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: white;
    transition: width 0.3s ease;
}

.nav-menu li a:hover::before {
    width: 80%;
}