/* ============================================
   GENERAL STYLES & VARIABLES
   ============================================ */

:root {
    --primary-color: #1e40af;
    --secondary-color: #0ea5e9;
    --accent-color: #f59e0b;
    --dark-color: #1f2937;
    --light-color: #f9fafb;
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

* {
    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: #333;
    background-color: #fff;
}

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

a {
    text-decoration: none;
    color: inherit;
}

button {
    cursor: pointer;
    border: none;
    font-family: inherit;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

.navbar {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

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

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
    gap: 0.5rem;
}

.logo i {
    font-size: 2rem;
}

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

.nav-link {
    color: white;
    font-weight: 500;
    position: relative;
    transition: var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: white;
    border-radius: 3px;
    transition: var(--transition);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(120deg, rgba(30, 64, 175, 0.5) 0%, rgba(14, 165, 233, 0.5) 100%),
                url('./hero-bg.jpg') center/cover;
    background-blend-mode: overlay;
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
    text-align: center;
    color: white;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    animation: slideUp 0.8s ease;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-content p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background-color: var(--accent-color);
    color: white;
    font-weight: bold;
    border-radius: 50px;
    transition: var(--transition);
    font-size: 1.1rem;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    background-color: #d97706;
}

/* ============================================
   SECTION STYLING
   ============================================ */

section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--dark-color);
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

/* ============================================
   ABOUT SECTION
   ============================================ */

.about {
    background-color: var(--light-color);
}

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

.about-content p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    color: #555;
    line-height: 1.8;
}

.features-list {
    list-style: none;
    margin-top: 2rem;
}

.features-list li {
    padding: 0.8rem 0;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-weight: 500;
}

.features-list i {
    color: var(--secondary-color);
    font-size: 1.5rem;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.stat-box {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

.stat-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.stat-box h3 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-box p {
    color: #666;
    font-weight: 500;
}

/* ============================================
   COURSES SECTION
   ============================================ */

.courses {
    background-color: white;
}

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

.course-card {
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: var(--border-radius);
    padding: 1rem;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.course-card:hover::before {
    transform: scaleX(1);
}

.course-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
    border-color: var(--secondary-color);
}

.course-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.6rem;
    color: white;
    font-size: 2rem;
}

.course-card h3 {
    font-size: 1.2rem;
    color: var(--dark-color);
    margin-bottom: 0.4rem;
}

.course-card > p {
    color: #666;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.course-details {
    list-style: none;
    text-align: left;
    margin-bottom: 0.8rem;
    background: var(--light-color);
    padding: 0.6rem;
    border-radius: 8px;
}

.course-details li {
    padding: 0.3rem 0;
    color: #555;
    font-size: 0.85rem;
    border-bottom: 1px solid #e5e7eb;
}

.course-details li:last-child {
    border-bottom: none;
}

.course-btn {
    display: inline-block;
    padding: 0.5rem 1.2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.85rem;
    transition: var(--transition);
    margin-top: auto;
}

.course-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 20px rgba(30, 64, 175, 0.3);
}

.search-container {
    margin-bottom: 2rem;
    text-align: center;
}

.search-box {
    display: flex;
    align-items: center;
    background: white;
    border: 2px solid var(--secondary-color);
    border-radius: 50px;
    padding: 0.8rem 1.5rem;
    max-width: 600px;
    margin: 0 auto;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.search-box i {
    color: var(--secondary-color);
    margin-right: 0.8rem;
    font-size: 1.2rem;
}

.search-box input {
    border: none;
    outline: none;
    width: 100%;
    font-size: 1rem;
    font-family: inherit;
    color: #333;
}

.search-box input::placeholder {
    color: #999;
}

.search-results {
    max-width: 600px;
    margin: 1rem auto;
    padding: 1rem;
    background: #f0f9ff;
    border-left: 4px solid var(--secondary-color);
    border-radius: 8px;
    text-align: left;
}

.search-results p {
    margin: 0;
    color: #666;
}

.faculty-title {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 2rem;
    margin-bottom: 1.2rem;
    padding-bottom: 0.8rem;
    border-bottom: 3px solid var(--secondary-color);
    font-weight: 600;
}

.faculty-title:first-of-type {
    margin-top: 0;
}

/* ============================================
   PROCESS SECTION
   ============================================ */

.process {
    background: linear-gradient(135deg, #f0f9ff 0%, #f0fdfa 100%);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    align-items: center;
    margin-bottom: 3rem;
}

.step {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    position: relative;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

.step:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: bold;
    margin: 0 auto 1rem;
}

.step h3 {
    color: var(--dark-color);
    margin-bottom: 0.8rem;
    font-size: 1.3rem;
}

.step p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.6;
}

.step-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary-color);
    font-size: 1.8rem;
}

@media (max-width: 768px) {
    .step-arrow {
        display: none;
    }
}

/* ============================================
   TESTIMONIALS SECTION
   ============================================ */

.testimonials {
    background-color: white;
}

.student-info p {
    color: #999;
    font-size: 0.9rem;
    margin: 0;
}

/* ============================================
   TESTIMONIALS SLIDER SECTION
   ============================================ */

.testimonials-slider {
    position: relative;
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    overflow: hidden;
}

.testimonials-grid {
    display: flex;
    flex-wrap: nowrap;
    gap: 2rem;
    overflow: hidden;
    transition: transform 0.5s ease-in-out;
    flex: 1;
}

.testimonial-card {
    background: linear-gradient(135deg, #ffffff 0%, #f9fafb 100%);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: box-shadow 0.3s ease;
    position: relative;
    flex: 0 0 calc(33.333% - 1.34rem);
    min-width: 0;
    display: flex;
    flex-direction: column;
}
}

.testimonial-card::before {
    content: '"';
    font-size: 4rem;
    color: var(--secondary-color);
    opacity: 0.2;
    position: absolute;
    top: -10px;
    left: 10px;
}

.testimonial-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
}

.stars {
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.stars i {
    margin-right: 0.3rem;
}

.testimonial-card p {
    color: #555;
    margin: 1rem 0 auto 0;
    line-height: 1.8;
    font-style: italic;
    flex: 1;
}

.student-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    border-top: 1px solid #e5e7eb;
    padding-top: 1.5rem;
    margin-top: 1.5rem;
}

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

.student-info h4 {
    color: var(--dark-color);
    margin-bottom: 0.3rem;
    font-size: 1rem;
}

.slider-btn {
    display: none;
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #e5e7eb;
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background: var(--primary-color);
    transform: scale(1.3);
}

.dot:hover {
    background: var(--secondary-color);
}

/* Responsive Slider */
@media (max-width: 1024px) {
    .testimonial-card {
        flex: 0 0 calc(50% - 1rem);
    }
}

@media (max-width: 768px) {
    .testimonial-card {
        flex: 0 0 100%;
        padding: 1.5rem;
    }
    
    .testimonial-card::before {
        font-size: 2.5rem;
        top: 0;
        left: 5px;
    }
    
    .stars {
        margin-bottom: 0.8rem;
        font-size: 0.9rem;
    }
    
    .testimonial-card p {
        margin: 0.8rem 0 auto 0;
        font-size: 0.9rem;
        line-height: 1.6;
    }
    
    .student-info {
        padding-top: 1rem;
        margin-top: 1rem;
        gap: 0.8rem;
    }
    
    .student-info img {
        width: 40px;
        height: 40px;
    }
    
    .student-info h4 {
        font-size: 0.9rem;
        margin-bottom: 0.2rem;
    }
    
    .student-info p {
        font-size: 0.75rem;
    }
    
    .slider-btn {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}

/* ============================================
   CONTACT SECTION
   ============================================ */

.contact {
    background: linear-gradient(135deg, #1e40af 0%, #0ea5e9 100%);
    color: white;
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.info-box {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.info-box i {
    font-size: 1.8rem;
    color: var(--accent-color);
    flex-shrink: 0;
}

.info-box h4 {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.info-box p {
    color: rgba(255, 255, 255, 0.9);
    margin: 0.3rem 0;
    font-size: 0.95rem;
}

.contact-form {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: var(--border-radius);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 0.8rem;
    border: none;
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.95rem;
    background: rgba(255, 255, 255, 0.95);
    transition: var(--transition);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    background: white;
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.3);
}

.contact-form textarea {
    resize: vertical;
}

.submit-btn {
    width: 100%;
    padding: 1rem;
    background-color: var(--accent-color);
    color: white;
    font-weight: bold;
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
}

.submit-btn:hover {
    background-color: #d97706;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(245, 158, 11, 0.3);
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: var(--dark-color);
    color: #ccc;
    padding: 3rem 0 1rem;
}

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

.footer-section h3 {
    color: white;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.footer-section p {
    line-height: 1.8;
    font-size: 0.9rem;
}

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

.footer-section ul li {
    margin-bottom: 0.8rem;
}

.footer-section ul li a {
    color: #ccc;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--accent-color);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--secondary-color);
    transform: translateY(-3px);
}

.newsletter {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.newsletter input {
    flex: 1;
    padding: 0.7rem;
    border: none;
    border-radius: 4px;
    font-size: 0.9rem;
}

.newsletter button {
    padding: 0.7rem 1.5rem;
    background-color: var(--accent-color);
    color: white;
    font-weight: bold;
    border-radius: 4px;
    transition: var(--transition);
}

.newsletter button:hover {
    background-color: #d97706;
}

.footer-bottom {
    border-top: 1px solid #444;
    padding-top: 2rem;
    text-align: center;
    font-size: 0.9rem;
    color: #999;
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 1024px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }

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

    .about-grid {
        grid-template-columns: 1fr;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--primary-color);
        padding: 2rem;
        gap: 1rem;
        max-height: 0;
        overflow: hidden;
        transition: var(--transition);
    }

    .nav-menu.active {
        max-height: 500px;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(10px, 10px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

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

    .hero-content p {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }

    section {
        padding: 3rem 0;
    }

    .courses-grid {
        grid-template-columns: 1fr;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

    .process-steps {
        gap: 1rem;
    }

    .step {
        padding: 1.5rem;
    }

    .step-number {
        width: 40px;
        height: 40px;
        font-size: 1.3rem;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 1.2rem;
    }

    .logo i {
        font-size: 1.5rem;
    }

    .hero-content h1 {
        font-size: 1.5rem;
        margin-bottom: 0.8rem;
    }

    .hero-content p {
        font-size: 0.9rem;
        margin-bottom: 1.5rem;
    }

    .cta-button {
        padding: 0.7rem 1.5rem;
        font-size: 0.9rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .course-card {
        padding: 1.5rem;
    }

    .course-icon {
        width: 60px;
        height: 60px;
        font-size: 2rem;
    }

    .stat-box {
        padding: 1.5rem;
    }

    .stat-box h3 {
        font-size: 2rem;
    }

    .newsletter {
        flex-direction: column;
    }

    .newsletter button {
        width: 100%;
    }
}