/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --text-color: #333;
    --light-bg: #f5f6fa;
    --white: #ffffff;
}

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

/* Header and Navigation */
header {
    background-color: var(--white);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.logo h1 {
    color: var(--primary-color);
    font-size: 1.8rem;
    font-weight: 700;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(44, 62, 80, 0.9), rgba(44, 62, 80, 0.9)),
                url('../images/hero-bg.jpg') center/cover;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    padding: 0 1rem;
    margin-top: 70px;
}

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

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.affiliation {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.tagline {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.3s ease;
    margin: 0.5rem;
}

.btn:hover {
    transform: translateY(-3px);
}

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

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

/* Introduction Section */
.intro {
    padding: 5rem 1rem;
    background-color: var(--light-bg);
}

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

.contact-info {
    margin-top: 2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    justify-content: center;
}

.contact-info p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 3rem 1rem 1rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

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

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

.footer-section a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--white);
        padding: 1rem;
        flex-direction: column;
        text-align: center;
    }

    .nav-links.active {
        display: flex;
    }

    .hamburger {
        display: flex;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero h2 {
        font-size: 1.5rem;
    }

    .contact-info {
        flex-direction: column;
        align-items: center;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content {
    animation: fadeIn 1s ease-out;
}

/* Page Hero Section */
.page-hero {
    background: linear-gradient(rgba(44, 62, 80, 0.9), rgba(44, 62, 80, 0.9)),
                url('../images/about-bg.jpg') center/cover;
    height: 40vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    margin-top: 70px;
}

.page-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.page-hero p {
    font-size: 1.5rem;
    color: var(--secondary-color);
}

/* About Content */
.about-content {
    padding: 5rem 1rem;
}

.about-text {
    max-width: 800px;
    margin: 0 auto 4rem;
    text-align: center;
    font-size: 1.2rem;
    line-height: 1.8;
}

.why-choose-us {
    margin-bottom: 4rem;
}

.why-choose-us h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
    font-size: 2.5rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-card i {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.mission-vision {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.mission, .vision {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.mission h2, .vision h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    text-align: center;
}

/* Animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design for About Page */
@media (max-width: 768px) {
    .page-hero {
        height: 30vh;
    }

    .page-hero h1 {
        font-size: 2rem;
    }

    .page-hero p {
        font-size: 1.2rem;
    }

    .about-text {
        font-size: 1rem;
    }

    .why-choose-us h2 {
        font-size: 2rem;
    }

    .feature-card {
        padding: 1.5rem;
    }
}

/* Courses Content */
.courses-content {
    padding: 5rem 1rem;
}

.courses-intro {
    max-width: 800px;
    margin: 0 auto 4rem;
    text-align: center;
    font-size: 1.2rem;
    line-height: 1.8;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto 4rem;
}

.course-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.course-card:hover {
    transform: translateY(-10px);
}

.course-icon {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    text-align: center;
}

.course-card h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.course-card p {
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.course-details {
    margin-bottom: 1.5rem;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.detail-item i {
    color: var(--secondary-color);
}

.course-features {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.course-features h2 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-size: 2rem;
}

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

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--secondary-color);
}

.feature-item span {
    font-size: 1.1rem;
    color: var(--primary-color);
}

/* Responsive Design for Courses Page */
@media (max-width: 768px) {
    .courses-intro {
        font-size: 1rem;
    }

    .course-card {
        padding: 1.5rem;
    }

    .course-card h2 {
        font-size: 1.3rem;
    }

    .course-features h2 {
        font-size: 1.8rem;
    }
}

/* Contact Content */
.contact-content {
    padding: 5rem 1rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto 4rem;
}

.contact-info-section h2,
.contact-form-section h2 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-size: 2rem;
}

.info-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.info-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.info-item:last-child {
    margin-bottom: 0;
}

.info-item i {
    font-size: 2rem;
    color: var(--secondary-color);
}

.info-item h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.info-item p {
    line-height: 1.6;
}

/* Contact Form */
.contact-form {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
}

.form-group textarea {
    resize: vertical;
}

/* Map Section */
.map-section {
    max-width: 1200px;
    margin: 0 auto;
}

.map-section h2 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-size: 2rem;
    text-align: center;
}

.map-container {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

/* Responsive Design for Contact Page */
@media (max-width: 768px) {
    .contact-grid {
        gap: 2rem;
    }

    .contact-info-section h2,
    .contact-form-section h2,
    .map-section h2 {
        font-size: 1.8rem;
    }

    .info-item {
        gap: 1rem;
    }

    .info-item i {
        font-size: 1.5rem;
    }

    .contact-form {
        padding: 1.5rem;
    }
}

/* Terms Content */
.terms-content {
    padding: 5rem 1rem;
}

.terms-section {
    max-width: 800px;
    margin: 0 auto 3rem;
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.terms-section h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}

.terms-section ul {
    list-style: disc;
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.terms-section ul li {
    margin-bottom: 0.8rem;
    line-height: 1.6;
}

.terms-section p {
    line-height: 1.6;
    margin-bottom: 1rem;
}

.terms-section a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.terms-section .contact-info {
    margin-top: 1.5rem;
}

.terms-section .contact-info p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.terms-section .contact-info i {
    color: var(--secondary-color);
}

/* Responsive Design for Terms Page */
@media (max-width: 768px) {
    .terms-section {
        padding: 1.5rem;
    }

    .terms-section h2 {
        font-size: 1.5rem;
    }

    .terms-section ul {
        margin-left: 1rem;
    }
}