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

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: #0056b3;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.5rem;
    color: #0056b3;
    margin-bottom: 10px;
}

.section-header p {
    font-size: 1.2rem;
    color: #6c757d;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 4px;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.primary-btn {
    background-color: #0056b3;
    color: white;
}

.primary-btn:hover {
    background-color: #004494;
}

.secondary-btn {
    background-color: transparent;
    color: #0056b3;
    border: 2px solid #0056b3;
}

.secondary-btn:hover {
    background-color: #0056b3;
    color: white;
}

.small-btn {
    padding: 8px 16px;
    font-size: 0.9rem;
}

/* Header and Navigation */
header {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo h1 {
    font-size: 1.8rem;
    color: #0056b3;
}

.logo span {
    font-weight: 300;
    color: #333;
}

nav ul {
    display: flex;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    color: #333;
    font-weight: 500;
    position: relative;
    padding-bottom: 5px;
}

nav ul li a.active,
nav ul li a:hover {
    color: #0056b3;
}

nav ul li a:after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background-color: #0056b3;
    bottom: 0;
    left: 0;
    transition: width 0.3s ease;
}

nav ul li a.active:after,
nav ul li a:hover:after {
    width: 100%;
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #0056b3;
}

/* Hero Section */
#hero {
    background: linear-gradient(rgba(0, 86, 179, 0.8), rgba(0, 86, 179, 0.8)), url('https://images.unsplash.com/photo-1541339907198-e08756dedf3f?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1470&q=80') no-repeat center center/cover;
    height: 100vh;
    display: flex;
    align-items: center;
    color: white;
    text-align: center;
    padding-top: 80px;
}

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

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.hero-content h2 {
    font-size: 2rem;
    font-weight: 300;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* About Section */
.about-content {
    display: flex;
    gap: 50px;
    align-items: center;
}

.about-image {
    flex: 1;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.about-text {
    flex: 1;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.stats {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    flex: 1;
    min-width: 120px;
    margin-bottom: 20px;
}

.stat-item h3 {
    font-size: 2.5rem;
    color: #0056b3;
    margin-bottom: 5px;
}

/* Programs Section */
.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.program-card {
    background-color: white;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.program-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.program-icon {
    font-size: 2.5rem;
    color: #0056b3;
    margin-bottom: 20px;
}

.program-card h3 {
    margin-bottom: 15px;
    color: #0056b3;
}

.program-card p {
    margin-bottom: 20px;
    color: #6c757d;
}

/* Campus Section */
.campus-slider {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: 20px;
    padding-bottom: 30px;
}

.campus-slide {
    flex: 0 0 calc(33.333% - 20px);
    min-width: 300px;
    scroll-snap-align: start;
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.slide-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
    color: white;
    padding: 20px;
}

.slide-caption h3 {
    margin-bottom: 5px;
}

/* Research Section */
.research-areas {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.research-area {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    background-color: white;
}

.research-area img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.research-area h3 {
    padding: 20px 20px 10px;
    color: #0056b3;
}

.research-area p {
    padding: 0 20px 20px;
    color: #6c757d;
}

/* Testimonials Section */
#testimonials {
    background-color: #f0f7ff;
}

.testimonials-container {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.testimonial {
    flex: 1;
    min-width: 300px;
    background-color: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.testimonial-content {
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.testimonial-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin-right: 15px;
}

.author-info h4 {
    color: #0056b3;
}

/* Contact Section */
.contact-container {
    display: flex;
    gap: 50px;
}

.contact-info {
    flex: 1;
}

.info-item {
    display: flex;
    margin-bottom: 30px;
}

.info-item i {
    font-size: 1.5rem;
    color: #0056b3;
    margin-right: 20px;
    margin-top: 5px;
}

.info-item h3 {
    margin-bottom: 5px;
    color: #0056b3;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #0056b3;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.social-link:hover {
    background-color: #004494;
}

.contact-form {
    flex: 1;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: 'Roboto', sans-serif;
    font-size: 1rem;
}

.form-group textarea {
    resize: vertical;
}

/* Footer */
footer {
    background-color: #003366;
    color: white;
    padding: 60px 0 20px;
}

.footer-columns {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 40px;
}

.footer-column {
    flex: 1;
    min-width: 200px;
}

.footer-column h3 {
    color: white;
    margin-bottom: 20px;
    font-size: 1.2rem;
}

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

.footer-column ul li a {
    color: #b3d4fc;
}

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

.accreditation {
    margin-top: 15px;
    font-style: italic;
    color: #b3d4fc;
}

.subscribe-form {
    display: flex;
    margin-top: 15px;
}

.subscribe-form input {
    flex: 1;
    padding: 10px 15px;
    border: none;
    border-radius: 4px 0 0 4px;
    font-family: 'Roboto', sans-serif;
}

.subscribe-form button {
    border-radius: 0 4px 4px 0;
}

.footer-bottom {
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-links {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-links a {
    color: #b3d4fc;
}

.footer-links a:hover {
    color: white;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .about-content {
        flex-direction: column;
    }
    
    .contact-container {
        flex-direction: column;
    }
    
    .hero-content h1 {
        font-size: 2.8rem;
    }
    
    .hero-content h2 {
        font-size: 1.6rem;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    nav ul {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: white;
        flex-direction: column;
        align-items: center;
        padding: 40px 0;
        transition: all 0.3s ease;
    }
    
    nav ul.active {
        left: 0;
    }
    
    nav ul li {
        margin: 15px 0;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .hero-content h1 {
        font-size: 2.2rem;
    }
    
    .hero-content h2 {
        font-size: 1.4rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .stats {
        gap: 20px;
    }
    
    .stat-item {
        min-width: 100px;
    }
    
    .subscribe-form {
        flex-direction: column;
    }
    
    .subscribe-form input {
        border-radius: 4px;
        margin-bottom: 10px;
    }
    
    .subscribe-form button {
        border-radius: 4px;
        width: 100%;
    }
}

/* Chat Widget Styles */
.chat-widget {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    font-family: 'Roboto', sans-serif;
}

.chat-toggle {
    width: 60px;
    height: 60px;
    background-color: #0056b3;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
}

.chat-toggle i {
    font-size: 24px;
}

.chat-toggle.hidden {
    display: none;
}

.chat-header {
    background-color: #0056b3;
    color: white;
    padding: 15px 20px;
    border-radius: 10px 10px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    display: none;
}

.chat-header.active {
    display: flex;
}

.chat-header h3 {
    margin: 0;
    font-size: 1.1rem;
}

.minimize-btn {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    font-size: 1rem;
}

.chat-body {
    width: 350px;
    height: 450px;
    background-color: white;
    border-radius: 0 0 10px 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    display: none;
}

.chat-body.active {
    display: flex;
}

.chat-messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
}

.message {
    margin-bottom: 15px;
    display: flex;
}

.user-message {
    justify-content: flex-end;
}

.bot-message {
    justify-content: flex-start;
}

.message-content {
    max-width: 80%;
    padding: 12px 15px;
    border-radius: 18px;
    position: relative;
}

.user-message .message-content {
    background-color: #0056b3;
    color: white;
    border-radius: 18px 18px 0 18px;
}

.bot-message .message-content {
    background-color: #f0f2f5;
    color: #333;
    border-radius: 18px 18px 18px 0;
}

.typing .message-content {
    background-color: #f0f2f5;
    color: #999;
    font-style: italic;
}

.chat-input {
    display: flex;
    padding: 15px;
    border-top: 1px solid #eee;
}

.chat-input input {
    flex: 1;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 20px;
    font-family: 'Roboto', sans-serif;
    font-size: 0.95rem;
}

.chat-input button {
    background-color: #0056b3;
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    margin-left: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease;
}

.chat-input button:hover {
    background-color: #004494;
}

/* Responsive styles for chat widget */
@media (max-width: 576px) {
    .chat-body {
        width: 300px;
        height: 400px;
    }
    
    .chat-widget {
        bottom: 10px;
        right: 10px;
    }
}

/* Add error styling for chat messages */
.message.error .message-content {
    background-color: #fff2f2;
    border-left: 3px solid #ff5252;
}

.bot-message.error .message-content {
    color: #d32f2f;
}