/* Layout CSS for ARU Academy */

/* Header and Navigation */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0; /* Reduced from 1rem to 0.75rem */
}

.logo h1 {
    color: white;
    font-size: 1.6rem; /* Reduced from 1.8rem to 1.6rem */
    font-weight: bold;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

/* Main content area */
.main {
    margin-top: 80px; /* Add margin to prevent overlap with fixed header */
    min-height: calc(100vh - 80px);
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.nav-list li a {
    color: white;
    font-weight: 500;
    transition: all 0.3s ease;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

.nav-list li a:hover {
    color: #ffd700;
    transform: translateY(-2px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: white;
    margin: 3px 0;
    transition: 0.3s;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand {
    display: flex;
    align-items: center;
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
}

.nav-brand i {
    margin-right: 0.5rem;
    font-size: 2rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: white;
    font-weight: 500;
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: #f0f0f0;
    transform: translateY(-2px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: white;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #8cc4d1 25%, #819493 25%,#dcdec1 25%, #e3c5d0 25%);
    color: white;
    padding: 120px 0 80px;
    display: flex;
    align-items: center;
    min-height: 100vh;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.highlight {
    color: #ffd700;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-graphic {
    display: flex;
    gap: 2rem;
    font-size: 4rem;
    color: rgba(255,255,255,0.8);
}

.hero-graphic i {
    animation: float 3s ease-in-out infinite;
}

.hero-graphic i:nth-child(2) {
    animation-delay: 0.5s;
}

.hero-graphic i:nth-child(3) {
    animation-delay: 1s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Sections */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    color: #333;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 2px;
}

/* Features Section */
.features {
    background: white;
}

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

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.feature-icon {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 1.5rem;
}

/* Departments Section */
.departments {
    background: #f8f9fa;
}

.departments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.department-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.department-card:hover {
    transform: translateY(-5px);
}

.department-icon {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 1.5rem;
    text-align: center;
}

.department-topics {
    list-style: none;
    margin-top: 1rem;
}

.department-topics li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
    color: #666;
}

.department-topics li:last-child {
    border-bottom: none;
}

/* Stats Section */
.stats {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    color: #ffd700;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* CTA Section */
.cta {
    background: white;
    text-align: center;
}

.cta h2 {
    color: #333;
    margin-bottom: 1rem;
}

.cta p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: #666;
}

/* Footer */
.footer {
    background: #2c3e50;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #ecf0f1;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #bdc3c7;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid #34495e;
    padding-top: 1rem;
    text-align: center;
    color: #bdc3c7;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        padding: 0.75rem; /* Reduced from 1rem to 0.75rem */
    }
    
    .main {
        margin-top: 70px; /* Slightly less margin on mobile */
    }
    
    .nav-list {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #667eea;
        flex-direction: column;
        padding: 1rem;
        gap: 1rem;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    }
    
    .nav-list.active {
        display: flex;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .navbar {
        padding: 1rem;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #667eea;
        flex-direction: column;
        padding: 1rem;
        gap: 1rem;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-graphic {
        margin-top: 2rem;
        font-size: 3rem;
    }
    
    .features-grid,
    .departments-grid,
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-graphic {
        font-size: 2.5rem;
        gap: 1rem;
    }
}