/* Global Styles */
* {
    scroll-behavior: smooth;
}

html {
    color-scheme: light dark;
}

body {
    font-family: sans-serif;
    color: #1f2937;
    background-color: #ffffff;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Dark Mode */
body.dark-mode {
    background-color: #0f172a;
    color: #f3f4f6;
}

body.dark-mode a {
    color: #93c5fd;
}

body.dark-mode a:hover {
    color: #fff;
}

/* Gradient Background */
.gradient-bg {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* Hover Scale Effect */
.hover-scale {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-scale:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* Fade In Animation */
.fade-in {
    animation: fadeIn 0.6s ease-in;
}

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

/* Carousel Styles */
.carousel-container {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
}

.carousel-item {
    display: none;
    animation: fadeIn 0.5s ease-in;
}

.carousel-item.active {
    display: block;
}

/* Navigation Styles */
nav {
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

body.dark-mode nav {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.5);
}

nav a {
    transition: color 0.3s ease;
}

nav a:hover {
    color: #fcd34d;
}

nav button {
    color: inherit;
}

/* Section Animations */
section {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
    background-color: #ffffff;
}

section.visible {
    opacity: 1;
    transform: translateY(0);
}

body.dark-mode section {
    background-color: #0f172a;
    color: #f3f4f6;
}

section.bg-gray-50 {
    background-color: #f9fafb;
}

body.dark-mode section.bg-gray-50 {
    background-color: #1e293b;
}

/* Faculty Card Styles */
.faculty-card {
    background: white;
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

body.dark-mode .faculty-card {
    background: #1e293b;
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.3);
}

body.dark-mode .faculty-card p {
    color: #cbd5e1;
}

.faculty-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.faculty-card img {
    width: 100%;
    aspect-ratio: 1 / 1;
    height: auto;
    object-fit: cover;
}

/* Course Card Styles */
.course-card {
    background: white;
    border-radius: 0.5rem;
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

body.dark-mode .course-card {
    background: #1e293b;
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.3);
}

body.dark-mode .course-card p {
    color: #cbd5e1;
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.course-card-header {
    padding: 1.5rem;
    color: white;
}

.course-card-header.blue {
    background: linear-gradient(to right, #3b82f6, #2563eb);
}

.course-card-header.purple {
    background: linear-gradient(to right, #a855f7, #9333ea);
}

.course-card-header.indigo {
    background: linear-gradient(to right, #6366f1, #4f46e5);
}

.course-card-header i {
    font-size: 2.25rem;
    margin-bottom: 1rem;
}

/* Certificate Card Styles */
.cert-card {
    border-radius: 0.5rem;
    padding: 1.5rem;
    color: white;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}

.cert-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.cert-card i {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.cert-card.green {
    background: linear-gradient(to bottom right, #4ade80, #16a34a);
}

.cert-card.blue {
    background: linear-gradient(to bottom right, #60a5fa, #2563eb);
}

.cert-card.red {
    background: linear-gradient(to bottom right, #f87171, #dc2626);
}

.cert-card.yellow {
    background: linear-gradient(to bottom right, #facc15, #ca8a04);
}

.cert-card.pink {
    background: linear-gradient(to bottom right, #f472b6, #ec4899);
}

.cert-card.orange {
    background: linear-gradient(to bottom right, #fb923c, #ea580c);
}

.cert-card.teal {
    background: linear-gradient(to bottom right, #2dd4bf, #0d9488);
}

.cert-card.indigo {
    background: linear-gradient(to bottom right, #818cf8, #4f46e5);
}

/* Gallery Card Styles */
.gallery-card {
    overflow: hidden;
    border-radius: 0.5rem;
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

body.dark-mode .gallery-card {
    background: #1e293b;
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.3);
}

body.dark-mode .gallery-card p {
    color: #cbd5e1;
}

.gallery-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.gallery-card img {
    width: 100%;
    height: 256px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

/* Form Input Styles */
input, textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    border: 1px solid #d1d5db;
    background-color: #ffffff;
    color: #1f2937;
    transition: border-color 0.3s ease, background-color 0.3s ease;
}

body.dark-mode input,
body.dark-mode textarea {
    background-color: #1e293b;
    color: #f3f4f6;
    border-color: #475569;
}

input:focus, textarea:focus {
    outline: none;
    border-color: #9333ea;
}

/* Button Styles */
button {
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.75rem 2rem;
    border-radius: 0.5rem;
    font-weight: bold;
}

.btn-primary:hover {
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.4);
}

/* Footer Styles */
footer {
    background-color: #111827;
    color: white;
}

body.dark-mode footer {
    background-color: #030712;
}

footer a {
    transition: color 0.3s ease;
}

footer a:hover {
    color: white;
}

/* Mobile Menu Styles */
#mobileNavMenu {
    transition: all 0.3s ease;
}

/* Hero Section Icons */
.hero-icon {
    position: absolute;
    opacity: 0.2;
    font-size: 1.5rem;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .hero-icon {
        display: none;
    }
    
    .course-card-header i {
        font-size: 2rem;
    }
    
    .cert-card i {
        font-size: 2.5rem;
    }
}

/* Success Message Styles */
.success-message {
    position: fixed;
    top: 5rem;
    right: 1.25rem;
    background-color: #10b981;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.2);
    z-index: 50;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Modal Styles */
.modal {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 50;
}

.modal-content {
    background: white;
    border-radius: 0.5rem;
    padding: 2rem;
    max-width: 28rem;
    margin: auto;
    box-shadow: 0 20px 25px rgba(0, 0, 0, 0.2);
    animation: modalSlide 0.3s ease-out;
}

body.dark-mode .modal-content {
    background: #1e293b;
    color: #f3f4f6;
}

@keyframes modalSlide {
    from {
        transform: scale(0.95) translateY(-20px);
        opacity: 0;
    }
    to {
        transform: scale(1) translateY(0);
        opacity: 1;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.text-white {
    color: white;
}

.text-gray-600 {
    color: #4b5563;
}

body.dark-mode .text-gray-600 {
    color: #cbd5e1;
}

.text-gray-400 {
    color: #9ca3af;
}

body.dark-mode .text-gray-400 {
    color: #94a3b8;
}

.text-purple-600 {
    color: #9333ea;
}

body.dark-mode .text-purple-600 {
    color: #a78bfa;
}

.font-bold {
    font-weight: bold;
}

.shadow-lg {
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}

.rounded-lg {
    border-radius: 0.5rem;
}

/* Smooth Transitions */
* {
    transition-property: background-color, border-color, color, fill, stroke;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 200ms;
}