:root {
    --primary: #2d3748;
    --secondary: #4a5568;
    --accent: #42b983;
    --light: #f8f9fa;
    --white: #ffffff;
    --text: #1e293b;
    --text-light: #64748b;
    --border: #cbd5e1;
}

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

html {
    scroll-behavior: smooth;
}

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

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

/* Navigation */
navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(45, 55, 72, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
}

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

.logo {
    font-weight: 600;
    color: var(--white);
    font-size: 1.5rem;
    text-decoration: none;
}

nav-links {
    display: flex;
    gap: 2rem;
}

nav-links a {
    color: #a0aec0;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

nav-links a:hover {
    color: var(--accent);
}

.btn {
    display: inline-block;
    padding: 8px 20px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
}

btn-primary {
    background: var(--accent);
    color: var(--white);
}

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

/* Hero Section */
hero {
    min-height: 100vh;
    background: linear-gradient(135deg, #63b3ed 0%, #e0e7ff 100%);
    display: flex;
    align-items: center;
    padding: 8rem 2rem 4rem;
    position: relative;
}

hero-content {
    max-width: 600px;
}

hero-content h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

hero-content p {
    color: var(--text-light);
    margin-bottom: 2rem;
}

stat {
    text-align: center;
    background: var(--white);
    padding: 1.5rem;
    border-radius: 8px;
    min-width: 120px;
}

stat h2 {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

stat p {
    color: var(--text-light);
    font-size: 0.875rem;
}

/* Courses Section */
courses {
    padding: 4rem 2rem;
    background: var(--white);
}

courses h2 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2rem;
}

courses-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

course-card {
    background: var(--light);
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

course-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
}

course-card h3 {
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
    color: var(--primary);
}

course-card p {
    color: var(--text-light);
    margin-bottom: 1rem;
    font-size: 0.9375rem;
}

course-card span {
    display: block;
    margin-top: 0.5rem;
    font-weight: 600;
}

/* About Section */
about {
    padding: 4rem 2rem;
    background: var(--white);
}

about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

about-text h2 {
    margin-bottom: 1rem;
    font-size: 2rem;
}

about-text p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    font-size: 0.9375rem;
}

about-text ul {
    margin: 1.5rem 0;
}

about-text li {
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

about-text li::before {
    content: "✓";
    color: var(--accent);
    font-weight: bold;
}

about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

stat-item h2 {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

stat-item p {
    color: var(--text-light);
    font-size: 0.875rem;
}

/* Faculty Section */
faculty {
    padding: 4rem 2rem;
    background: var(--white);
}

faculty h2 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2rem;
}

faculty-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

faculty-card {
    padding: 1.5rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    text-align: center;
    transition: box-shadow 0.3s;
}

faculty-card:hover {
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
}

faculty-card h3 {
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
    color: var(--primary);
}

faculty-card p {
    color: var(--text-light);
    margin-bottom: 0.75rem;
    font-size: 0.9375rem;
}

faculty-img {
    width: 100%;
    height: 200px;
    background: #f1f5f9;
    border-radius: 6px;
    margin-bottom: 1rem;
    position: relative;
}

/* Testimonials */
testimonials {
    padding: 4rem 2rem;
    background: var(--light);
}

testimonials h2 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2rem;
}

testimonials-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

testimonial-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 8px;
    position: relative;
}

testimonial-card p {
    color: var(--text);
    margin-bottom: 1rem;
    font-style: italic;
}

student-info {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-top: 0.5rem;
}

student-info h4 {
    margin-bottom: 0;
    font-size: 0.875rem;
}

student-info p {
    color: var(--text-light);
    font-size: 0.75rem;
    margin-bottom: 0;
}

/* Contact Section */
contact {
    padding: 4rem 2rem;
    background: var(--white);
}

contact h2 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2rem;
}

contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

detail-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

detail-item svg {
    color: var(--accent);
    flex-shrink: 0;
}

detail-item span {
    color: var(--text-light);
    font-size: 0.875rem;
}

contact-form {
    max-width: 500px;
}

contact-form input,
contact-form textarea,
contact-form select {
    width: 100%;
    padding: 10px;
    margin: 5px 0;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.9375rem;
}

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

contact-form button {
    width: 100%;
    padding: 10px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.9375rem;
    cursor: pointer;
    margin-top: 10px;
}

/* Footer */
footer {
    background: var(--primary);
    color: #fff;
    padding: 2rem;
    text-align: center;
    margin-top: 4rem;
}

footer p {
    margin-bottom: 1rem;
}

footer-links a {
    color: #cbd5e1;
    text-decoration: none;
    margin: 0 1rem;
    font-size: 0.875rem;
    transition: color 0.3s;
}

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

/* Responsive */
@media (max-width: 768px) {
    navbar .container {
        flex-direction: column;
        gap: 1rem;
    }
    
    nav-links {
        display: none;
        width: 100%;
        margin-top: 1rem;
        text-align: center;
    }
    
    nav-links.active {
        display: flex;
    }
    
    about-grid {
        grid-template-columns: 1fr;
    }
    
    about-stats {
        grid-template-columns: 1fr 1fr;
    }
    
    contact-grid {
        grid-template-columns: 1fr;
    }
    
    hero-content h1 {
        font-size: 2rem;
    }
}

/* Mobile Menu Toggle */
menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--white);
    transition: all 0.3s;
}

@media (max-width: 768px) {
    menu-toggle {
        display: flex;
    }
    
    nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(45, 55, 72, 0.98);
        flex-direction: column;
        padding: 1rem;
        display: none;
    }
    
    nav-links.active {
        display: flex;
    }
}