/* ========================================
   College Website - Modern CSS Styling
   ======================================== */

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

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #f59e0b;
    --dark-color: #1e293b;
    --light-color: #f8fafc;
    --text-color: #334155;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --error-color: #ef4444;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    overflow-x: hidden;
}

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

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

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: var(--transition);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-brand i {
    font-size: 2rem;
}

.nav-brand .nav-logo {
    height: 50px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color);
}

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

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

.btn-register {
    background: var(--primary-color);
    color: white !important;
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
}

.btn-register:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

.btn-register::after {
    display: none;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

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

/* ========================================
   Hero Section
   ======================================== */
.hero-section {
    height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('/images/hero-background.jpg') center/cover;
    opacity: 0.3;
    animation: kenBurns 30s ease-in-out infinite alternate;
    will-change: transform;
}

.hero-overlay::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, 
        rgba(102, 126, 234, 0.8) 0%, 
        rgba(118, 75, 162, 0.7) 50%, 
        rgba(240, 147, 251, 0.6) 100%);
    animation: gradientShift 8s ease infinite;
}

.hero-overlay::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: heroShimmer 4s infinite;
}

.hero-section::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    top: 10%;
    left: 5%;
    animation: floatParticle 15s ease-in-out infinite;
    pointer-events: none;
}

.hero-section::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    bottom: 10%;
    right: 5%;
    animation: floatParticle 20s ease-in-out infinite reverse;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    animation: heroFadeInUp 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    animation: heroTitleEnter 1s ease-out 0.3s forwards;
    opacity: 0;
    transform: translateY(30px) scale(0.9);
    background: linear-gradient(to right, #ffffff, #e0e7ff, #ffffff);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: heroTitleEnter 1s ease-out 0.3s forwards, textShine 3s linear infinite;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0;
    animation: heroSubtitleEnter 1s ease-out 0.6s forwards;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    letter-spacing: 0.5px;
}

.btn-primary {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent-color) 0%, #ec4899 100%);
    color: white;
    padding: 1rem 3rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
    opacity: 0;
    animation: heroButtonEnter 1s ease-out 0.9s forwards;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary:hover::before {
    width: 400px;
    height: 400px;
}

.btn-primary:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.4);
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::after {
    left: 100%;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    z-index: 3;
    opacity: 0;
    animation: bounce 2s infinite, fadeInDelay 1s ease 1.5s forwards;
}

.scroll-indicator i {
    font-size: 2rem;
    color: white;
    filter: drop-shadow(0 2px 10px rgba(0, 0, 0, 0.3));
}

@keyframes kenBurns {
    0% {
        transform: scale(1) translateX(0);
    }
    100% {
        transform: scale(1.15) translateX(-20px);
    }
}

@keyframes gradientShift {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
}

@keyframes heroShimmer {
    0% {
        left: -100%;
    }
    50%, 100% {
        left: 100%;
    }
}

@keyframes floatParticle {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.3;
    }
    25% {
        transform: translate(30px, -30px) scale(1.1);
        opacity: 0.5;
    }
    50% {
        transform: translate(0, -50px) scale(1);
        opacity: 0.4;
    }
    75% {
        transform: translate(-30px, -30px) scale(0.9);
        opacity: 0.5;
    }
}

@keyframes heroFadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes heroTitleEnter {
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes heroSubtitleEnter {
    to {
        opacity: 0.95;
    }
}

@keyframes heroButtonEnter {
    to {
        opacity: 1;
    }
}

@keyframes textShine {
    to {
        background-position: 200% center;
    }
}

@keyframes fadeInDelay {
    to {
        opacity: 1;
    }
}

/* ========================================
   Section Common Styles
   ======================================== */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.title-underline {
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    margin: 0 auto 1rem;
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-color);
    opacity: 0.8;
}

/* ========================================
   About Section
   ======================================== */
.about-section {
    background: var(--light-color);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.about-image img {
    width: 100%;
    transition: var(--transition);
}

.about-image:hover img {
    transform: scale(1.05);
}

.about-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--accent-color);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
}

.about-content h3 {
    font-size: 2rem;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.about-content p {
    margin-bottom: 2rem;
    line-height: 1.8;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

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

.stat-item h4 {
    font-size: 2rem;
    color: var(--dark-color);
    margin-bottom: 0.3rem;
}

.stat-item p {
    color: var(--text-color);
    margin: 0;
}

/* ========================================
   Programs Section
   ======================================== */
.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.program-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    position: relative;
}

.program-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
}

.program-icon {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.5rem;
    z-index: 2;
}

.program-image {
    height: 200px;
    overflow: hidden;
    background: var(--light-color);
}

.program-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.program-card:hover .program-image img {
    transform: scale(1.1);
}

.program-card h3 {
    padding: 1.5rem 1.5rem 0.5rem;
    color: var(--dark-color);
    font-size: 1.5rem;
}

.program-card > p {
    padding: 0 1.5rem 1rem;
    color: var(--text-color);
}

.program-features {
    list-style: none;
    padding: 0 1.5rem 1.5rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}

.program-features li {
    padding: 0.5rem 0;
    color: var(--text-color);
}

.program-features i {
    color: var(--success-color);
    margin-right: 0.5rem;
}

/* ========================================
   Facilities Section
   ======================================== */
.facilities-section {
    background: var(--light-color);
}

.facilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.facility-card {
    position: relative;
    height: 300px;
    border-radius: 15px;
    overflow: hidden;
    cursor: pointer;
}

.facility-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.facility-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.9), rgba(30, 64, 175, 0.9));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    opacity: 0;
    transition: var(--transition);
}

.facility-card:hover .facility-overlay {
    opacity: 1;
}

.facility-card:hover .facility-image {
    transform: scale(1.1);
}

.facility-overlay i {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.facility-overlay h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.facility-overlay p {
    text-align: center;
    padding: 0 2rem;
}

/* ========================================
   Registration Section
   ======================================== */
.registration-section {
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
}

.registration-container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    align-items: start;
}

.form-info h3 {
    font-size: 2rem;
    color: var(--dark-color);
    margin-bottom: 2rem;
}

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

.info-item {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.info-item i {
    font-size: 2rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.info-item h4 {
    color: var(--dark-color);
    margin-bottom: 0.3rem;
}

.info-item p {
    color: var(--text-color);
    font-size: 0.9rem;
    margin: 0;
}

.registration-form-wrapper {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.registration-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.8rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    resize: vertical;
}

.form-submit {
    margin-top: 1rem;
}

.btn-submit {
    width: 100%;
    padding: 1rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-submit:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.3);
}

.btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.form-message {
    padding: 1rem;
    border-radius: 8px;
    margin-top: 1rem;
    display: none;
    animation: fadeIn 0.3s ease;
}

.form-message.success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #10b981;
    display: block;
}

.form-message.error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #ef4444;
    display: block;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--dark-color);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col h3,
.footer-col h4 {
    margin-bottom: 1.5rem;
    color: white;
}

.footer-col p {
    opacity: 0.8;
    line-height: 1.8;
}

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

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

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--accent-color);
    padding-left: 5px;
}

.footer-col ul.contact-info li {
    display: flex;
    align-items: start;
    gap: 0.8rem;
}

.footer-col ul.contact-info i {
    color: var(--accent-color);
    margin-top: 3px;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    opacity: 0.8;
}

.footer-bottom a {
    color: var(--accent-color);
    text-decoration: none;
}

/* ========================================
   Scroll to Top Button
   ======================================== */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
    z-index: 999;
}

.scroll-top:hover {
    background: var(--secondary-color);
    transform: translateY(-3px);
}

.scroll-top.show {
    display: flex;
}

/* ========================================
   Animations
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 2rem;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        transition: var(--transition);
    }

    .nav-menu.active {
        left: 0;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

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

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

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

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

    .registration-container {
        grid-template-columns: 1fr;
    }

    .registration-form-wrapper {
        padding: 2rem;
    }

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

    section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

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

    .form-row {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   DYNAMIC COURSES STYLES
   ======================================== */
.category-section {
    margin-bottom: 5rem;
    position: relative;
}

.category-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 3rem;
    padding: 2rem;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: 16px;
    border-left: 6px solid #2563eb;
}

.category-icon-wrapper {
    width: 80px;
    height: 80px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
}

.category-icon-wrapper:hover {
    transform: rotate(5deg) scale(1.05);
}

.category-engineering {
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
}

.category-business {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.category-science {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.category-arts {
    background: linear-gradient(135deg, #ec4899 0%, #db2777 100%);
}

.category-info {
    flex: 1;
}

.category-title {
    font-size: 2.2rem;
    color: #1e293b;
    margin: 0 0 8px 0;
    font-weight: 700;
}

.category-count {
    color: #64748b;
    font-size: 1rem;
    margin: 0;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 2.5rem;
}

.course-card {
    position: relative;
    height: 100%;
}

.course-card-inner {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 2px solid #f1f5f9;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.course-card:hover .course-card-inner {
    transform: translateY(-12px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
    border-color: currentColor;
}

.course-card[data-category="engineering"]:hover .course-card-inner {
    border-color: #2563eb;
}

.course-card[data-category="business"]:hover .course-card-inner {
    border-color: #f59e0b;
}

.course-card[data-category="science"]:hover .course-card-inner {
    border-color: #10b981;
}

.course-card[data-category="arts"]:hover .course-card-inner {
    border-color: #ec4899;
}

.course-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
}

.course-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.course-card:hover .course-image img {
    transform: scale(1.15);
}

.course-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.7) 100%);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.course-card:hover .course-overlay {
    opacity: 1;
}

.view-details {
    color: white;
    font-weight: 600;
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.2);
    padding: 10px 24px;
    border-radius: 8px;
    backdrop-filter: blur(10px);
}

.course-placeholder {
    background: linear-gradient(135deg, #e2e8f0 0%, #cbd5e1 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-icon {
    font-size: 4rem;
    color: #94a3b8;
}

.course-content {
    padding: 1.75rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.course-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.course-code {
    display: inline-block;
    background: #f1f5f9;
    color: #475569;
    padding: 6px 14px;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.course-badge {
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-engineering {
    background: #dbeafe;
    color: #1e40af;
}

.badge-business {
    background: #fef3c7;
    color: #92400e;
}

.badge-science {
    background: #d1fae5;
    color: #065f46;
}

.badge-arts {
    background: #fce7f3;
    color: #9f1239;
}

.course-card h4 {
    font-size: 1.35rem;
    color: #1e293b;
    margin-bottom: 12px;
    line-height: 1.4;
    font-weight: 700;
    min-height: 60px;
}

.course-description {
    color: #64748b;
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1.25rem;
    flex: 1;
}

.course-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1.25rem;
    border-top: 2px solid #f1f5f9;
}

.course-duration {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #64748b;
    font-weight: 600;
    font-size: 0.9rem;
}

.course-duration i {
    color: #2563eb;
}

.apply-btn {
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    color: white;
    padding: 8px 18px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.85rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 8px rgba(37, 99, 235, 0.2);
}

.apply-btn:hover {
    transform: translateX(4px);
    box-shadow: 0 6px 12px rgba(37, 99, 235, 0.3);
}

.apply-btn i {
    transition: transform 0.3s ease;
}

.apply-btn:hover i {
    transform: translateX(4px);
}

/* Animation on scroll */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.course-card {
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
}

.course-card:nth-child(1) { animation-delay: 0.1s; }
.course-card:nth-child(2) { animation-delay: 0.2s; }
.course-card:nth-child(3) { animation-delay: 0.3s; }
.course-card:nth-child(4) { animation-delay: 0.4s; }
.course-card:nth-child(5) { animation-delay: 0.5s; }
.course-card:nth-child(6) { animation-delay: 0.6s; }

@media (max-width: 768px) {
    .category-header {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem;
    }
    
    .category-icon-wrapper {
        width: 70px;
        height: 70px;
        font-size: 2rem;
    }
    
    .category-title {
        font-size: 1.75rem;
    }
    
    .courses-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .course-footer {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }
    
    .apply-btn {
        width: 100%;
        justify-content: center;
    }
}