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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
}

/* Header & Navigation */
header {
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

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

.logo-img {
    width: 50px;
    height: 50px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: #1e3c72;
}

.logo h1,
.logo h2 {
    font-size: 1.5rem;
    color: white;
}

.logo img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

nav ul,
.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s;
}

nav ul li a:hover,
nav ul li a.active {
    opacity: 0.7;
}

/* Mobile Menu Button */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Main Content */
main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
    min-height: 60vh;
}

/* Banner */
.banner {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem;
    border-radius: 10px;
    text-align: center;
    margin-bottom: 2rem;
}

.banner h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

/* Hero Section */
.hero {
    background:
        linear-gradient(135deg, rgba(30, 60, 114, 0.82) 0%, rgba(42, 82, 152, 0.82) 100%),
        url('hero_banner.png') center center / cover no-repeat;
    color: white;
    padding: 7rem 2rem;
    text-align: center;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    text-shadow: 0 1px 4px rgba(0,0,0,0.2);
}

.btn {
    background: white;
    color: #1e3c72;
    padding: 0.9rem 2.5rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    transition: all 0.3s;
    display: inline-block;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
    background: #f0f4ff;
}

/* Page Banner */
.page-banner {
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    color: white;
    padding: 3rem 2rem;
    text-align: center;
}

.page-banner h1 {
    font-size: 2.2rem;
    font-weight: 700;
}

/* Section */
.section {
    max-width: 1200px;
    margin: 3rem auto;
    padding: 0 2rem;
}

.section-title {
    text-align: center;
    margin-bottom: 2rem;
}

.section-title h2 {
    font-size: 2rem;
    color: #1e3c72;
    margin-bottom: 0.5rem;
}

/* Cards */
.card-container,
.cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.card {
    background: #f4f4f4;
    padding: 1.5rem;
    border-radius: 10px;
    transition: transform 0.3s;
}

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

.card h3 {
    margin-bottom: 1rem;
    color: #1e3c72;
}

/* Program Grid */
.program-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.program-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

.program-header {
    background: #1e3c72;
    color: white;
    padding: 1rem;
}

.program-header h3 {
    margin-bottom: 0.5rem;
}

.duration {
    font-size: 0.9rem;
    opacity: 0.9;
}

.program-body {
    padding: 1rem;
}

.program-body p {
    margin-bottom: 0.5rem;
}

/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #1e3c72;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.error-message {
    color: #e74c3c;
    font-size: 0.85rem;
    margin-top: 0.25rem;
    display: block;
}

.btn-submit {
    background: #1e3c72;
    color: white;
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.3s;
}

.btn-submit:hover {
    background: #2a5298;
}

/* Table Styles */
.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

th, td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

th {
    background: #1e3c72;
    color: white;
}

tr:hover {
    background: #f5f5f5;
}

.btn-edit, .btn-delete {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    margin: 0 0.25rem;
}

.btn-edit {
    background: #3498db;
    color: white;
}

.btn-delete {
    background: #e74c3c;
    color: white;
}

.btn-edit:hover {
    background: #2980b9;
}

.btn-delete:hover {
    background: #c0392b;
}

/* Contact Page */
.contact-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.contact-info {
    background: #f4f4f4;
    padding: 1.5rem;
    border-radius: 10px;
}

.contact-info h3 {
    margin-bottom: 1rem;
    color: #1e3c72;
}

.contact-info p {
    margin-bottom: 0.5rem;
}

.map-placeholder {
    background: #ddd;
    height: 300px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
}

/* Footer */
footer {
    background: #1e3c72;
    color: white;
    text-align: center;
    padding: 1rem;
    margin-top: 3rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    max-width: 400px;
}

.modal-content button {
    margin-top: 1rem;
    padding: 0.5rem 1rem;
    background: #1e3c72;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

/* Responsive */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    nav {
        display: none;
        width: 100%;
    }
    
    nav.active {
        display: block;
    }
    
    /* nav-links is the actual ul being toggled */
    .nav-links {
        display: none;
        flex-direction: column;
        gap: 1rem;
        padding: 1rem 0;
        width: 100%;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    nav ul {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem 0;
    }
    
    .logo-container {
        flex-wrap: wrap;
    }
    
    .banner h2 {
        font-size: 1.5rem;
    }
    
    .banner {
        padding: 2rem;
    }
    
    th, td {
        padding: 0.5rem;
        font-size: 0.85rem;
    }
}