/* CSS Variables for Light/Dark Mode */
:root {
    --primary-color: #003366;
    --heading-color: #003366;
    --secondary-color: #003366;
    --accent-color: #003366;
    --background-color: #ffffff;
    --card-background: #ffffff;
    --text-color: #003366;
    --text-light: #003366;
    --button-text: #ffffff;
    --button-primary-text: #003366;
    --shadow: rgba(0, 0, 0, 0.1);
    --border-radius: 12px;
    --transition: 0.28s cubic-bezier(0.22, 1, 0.36, 1);
    --color-transition: background 0.28s ease, border-color 0.28s ease;
}

[data-theme="dark"] {
    --primary-color: #1a1a2e;
    --heading-color: #ffffff;
    --secondary-color: #16213e;
    --accent-color: #0f3460;
    --background-color: #0f0f23;
    --card-background: #1a1a2e;
    --text-color: #e0e0e0;
    --text-light: #b0b0b0;
    --button-text: #ffffff;
    --button-primary-text: #ffffff;
    --shadow: rgba(0, 0, 0, 0.3);
}

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

.card-box,
.about-preview-card,
.about-card,
.academic-section,
.academic-card,
.admission-card,
.level-card,
.why-card,
.admissions-card,
.highlight-card,
.news-card,
.testimonial-card,
.gallery-card,
.contact-card,
.info-item,
.carousel-item {
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
    will-change: transform, box-shadow, background, border-color;
}

.about-preview-card:hover,
.card-box:hover,
.carousel-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 45px var(--shadow);
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

@keyframes heroFloat {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-15px);
    }
}

@keyframes heroGlow {
    0%, 100% {
        text-shadow: 0 0 10px rgba(135, 206, 235, 0.3);
    }
    50% {
        text-shadow: 0 0 25px rgba(135, 206, 235, 0.6);
    }
}

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

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes activePulse {
    0%, 100% {
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    }
    50% {
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2), 0 0 20px rgba(255, 215, 0, 0.5);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

.slide-in-left {
    animation: slideInLeft 0.8s ease-out;
}

.slide-in-right {
    animation: slideInRight 0.8s ease-out;
}

.pulse {
    animation: pulse 2s infinite;
}

/* Navigation */
header {
    background-color: var(--primary-color);
    color: white;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 6px var(--shadow);
    transition: var(--transition);
}

body:not([data-theme="dark"]) header {
    background-color: #ffffff;
    box-shadow: 0 4px 6px rgba(0, 51, 102, 0.1);
}

body:not([data-theme="dark"]) header .nav-links a,
body:not([data-theme="dark"]) header .theme-toggle {
    color: var(--primary-color);
}

body:not([data-theme="dark"]) header .hamburger span {
    background-color: var(--primary-color);
}

body:not([data-theme="dark"]) header .logo img {
    filter: none;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
}

.logo img {
    height: 80px;
    transition: var(--transition);
}

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

.nav-links li {
    margin-left: 2rem;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 1rem;
    border-radius: 6px;
}

.nav-links a:hover {
    background-color: var(--secondary-color);
    color: white;
    transform: translateY(-2px);
}

body:not([data-theme="dark"]) header .nav-links a:hover {
    background-color: rgba(0, 51, 102, 0.1);
    color: var(--primary-color);
}

.nav-links a.active {
    background-color: #FFD700;
    color: var(--primary-color);
    font-weight: 700;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    border: 2px solid #FFD700;
    animation: activePulse 2s ease-in-out infinite;
}

.nav-links a.active:hover {
    background-color: #FFD700;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
}

.theme-toggle {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: var(--transition);
    margin-left: 1rem;
}

.theme-toggle:hover {
    background-color: var(--secondary-color);
    transform: scale(1.1);
}

body:not([data-theme="dark"]) header .theme-toggle:hover {
    background-color: rgba(0, 51, 102, 0.15);
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: white;
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Main content */
main {
    margin-top: 80px;
}

/* Hero section */
.hero {
    background: var(--primary-color);
    color: white;
    padding: 100px 40px;
    text-align: left;
    position: relative;
    overflow: hidden;
    min-height: 90vh;
    display: flex;
}

body:not([data-theme="dark"]) .hero {
    background-color: #ffffff;
    color: var(--primary-color);
}

body:not([data-theme="dark"]) .hero-content h1 {
    color: var(--primary-color);
}

body:not([data-theme="dark"]) .hero-content p {
    color: var(--primary-color);
    opacity: 1;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://via.placeholder.com/1200x600?text=School+Campus') center/cover;
    opacity: 0.1;
    z-index: -1;
    animation: fadeInUp 2s ease-out;
}

.hero-content {
        max-width: 600px;
        padding-left: 20px;
    }

    .hero-content h1 {
        font-size: 3.5rem;
        margin-bottom: 1rem;
        font-weight: 700;
        position: relative;
        overflow: visible;
        white-space: normal;
        border: none;
        animation: scaleInDown 1s ease-out 0.2s both, heroGlow 3s ease-in-out 1.2s infinite;
        color: #ffffff;
        text-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    }

    .hero-content p {
        font-size: 1.3rem;
        margin-bottom: 2rem;
        opacity: 0.95;
        animation: fadeInUp 1s ease-out 1s both;
        max-width: 600px;
    }

    .cta-buttons {
        display: flex;
        justify-content: flex-start;
        gap: 1rem;
        flex-wrap: wrap;
        animation: fadeInUp 1s ease-out 0.8s both;
    }

    .cta-buttons .btn {
        animation: heroFloat 3s ease-in-out infinite;
    }

    .cta-buttons .btn:nth-child(2) {
        animation-delay: 0.3s;
    }

    .hero-image {
        max-width: 600px;
        width: 100%;
        height: auto;
        margin-right: 20px;
        animation: fadeInUp 1.2s ease-out 0.8s both;
    }

    .hero-image img {
        max-width: 100%;
        height: auto;
        display: block;
        border-radius: var(--border-radius);
        box-shadow: 0 8px 25px var(--shadow);
        animation: heroBounce 4s ease-in-out infinite;
    }

    @keyframes heroBounce {
        0%, 100% {
            transform: translateY(0);
        }
        50% {
            transform: translateY(-12px);
        }
    }

.btn {
    display: inline-block;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1.1rem;
    box-shadow: 0 4px 15px var(--shadow);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.primary {
    background-color: var(--primary-color);
    color: var(--button-text);
    font-weight: 700;
}

.primary:hover {
    background-color: var(--accent-color);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.secondary {
    background-color: var(--accent-color);
    color: var(--button-text);
    border: 2px solid var(--accent-color);
    font-weight: 700;
}

.secondary:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .secondary {
    background-color: var(--accent-color);
    color: var(--button-text);
}

[data-theme="dark"] .secondary:hover {
    background-color: #1a5a8a;
    color: var(--button-text);
}

/* Sections */
section {
    padding: 80px 0;
}

.page-header {
    background-color: var(--primary-color);
    color: white;
    text-align: center;
    padding: 100px 0;
    position: relative;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

body:not([data-theme="dark"]) .page-header {
    background-color: #ffffff;
    color: var(--primary-color);
    text-shadow: none;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://via.placeholder.com/1200x400?text=Page+Header') center/cover;
    opacity: 0.1;
    z-index: -1;
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 700;
}

.content-section {
    background-color: var(--card-background);
    transition: var(--transition);
}

.content-section .container {
    background: var(--card-background);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 8px 32px var(--shadow);
    margin: 20px;
}

.content-section h2 {
    margin-bottom: 2rem;
    color: var(--heading-color);
    font-size: 2.2rem;
    font-weight: 600;
    text-align: center;
}

.content-section p, .content-section ul, .content-section ol {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.7;
}

/* About Preview Card */
.about-preview {
    background-color: var(--background-color);
    padding: 80px 0;
}

.about-preview-card {
    background: var(--card-background);
    padding: 50px;
    border-radius: var(--border-radius);
    box-shadow: 0 8px 32px var(--shadow);
    border-left: 6px solid var(--secondary-color);
    animation: fadeInUp 0.8s ease-out;
}

.about-preview-card h2 {
    color: var(--heading-color);
    margin-bottom: 1.5rem;
    font-size: 2rem;
    font-weight: 700;
}

.about-preview-card p {
    color: var(--text-color);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
}

.about-preview-card .btn {
    margin-top: 1.5rem;
}

.academic-section {
    margin-bottom: 4rem;
    padding: 30px;
    background: var(--card-background);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 15px var(--shadow);
    border-left: 5px solid var(--secondary-color);
    transition: var(--transition);
    animation: slideInLeft 0.8s ease-out;
}

.academic-section:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px var(--shadow);
}

.academic-section h2 {
    color: var(--heading-color);
    margin-bottom: 1rem;
    font-size: 1.8rem;
    animation: fadeInUp 0.6s ease-out;
}

.academic-section p {
    margin-bottom: 1rem;
    animation: fadeInUp 0.6s ease-out 0.1s both;
}

.academic-section strong {
    color: var(--heading-color);
}

/* Academic levels */
.levels-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.level-card {
    background: var(--card-background);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: 0 8px 25px var(--shadow);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--text-light);
    animation: fadeInUp 0.8s ease-out;
    animation-fill-mode: both;
}

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

.level-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px var(--shadow);
}

.level-card h3 {
    color: var(--heading-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
    font-weight: 600;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.level-card p {
    color: var(--text-light);
    font-size: 1rem;
    animation: fadeInUp 0.6s ease-out 0.4s both;
}

/* Why choose us */
.why-choose-us {
    background-color: var(--background-color);
    transition: var(--transition);
}

.why-choose-us .container {
    background: var(--background-color);
    padding: 40px;
    border-radius: var(--border-radius);
    margin: 20px;
    animation: fadeInUp 1s ease-out;
}

.why-choose-us h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--heading-color);
    font-size: 2.2rem;
    font-weight: 600;
    animation: fadeInUp 0.8s ease-out;
}

.why-choose-us .why-cards-grid {
    list-style: none;
    padding-left: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.why-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.why-card {
    background: var(--card-background);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: 0 8px 25px var(--shadow);
    text-align: center;
    transition: var(--transition);
    animation: fadeInUp 0.8s ease-out;
    animation-fill-mode: both;
    border: 2px solid var(--secondary-color);
}

.why-card:nth-child(1) { animation-delay: 0.1s; }
.why-card:nth-child(2) { animation-delay: 0.2s; }
.why-card:nth-child(3) { animation-delay: 0.3s; }
.why-card:nth-child(4) { animation-delay: 0.4s; }

.why-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 15px 40px var(--shadow);
    border-color: var(--secondary-color);
}

.why-card .why-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    animation: fadeInUp 0.6s ease-out 0.1s both;
}

.why-card h3 {
    color: var(--heading-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.why-card p {
    color: var(--text-color);
    line-height: 1.6;
    animation: fadeInUp 0.6s ease-out 0.3s both;
}

.admissions-preview,
.campus-highlights,
.news-preview {
    background: var(--background-color);
    transition: var(--transition);
}

.admissions-grid,
.highlight-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.admissions-card,
.highlight-card,
.news-card {
    background: var(--card-background);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: 0 12px 30px var(--shadow);
    border: 1px solid rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    animation: fadeInUp 0.8s ease-out;
    animation-fill-mode: both;
}

.admissions-card:hover,
.highlight-card:hover,
.news-card:hover {
    transform: translateY(-6px) scale(1.01);
    box-shadow: 0 18px 45px var(--shadow);
}

.admissions-card h3,
.highlight-card h3,
.news-card h2 {
    color: var(--heading-color);
    margin-bottom: 1rem;
}

.news-card {
    border-left: 5px solid var(--secondary-color);
}

.news-card .date {
    color: var(--text-light);
    margin-bottom: 1rem;
}

/* News */
.news-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.news-card {
    background: var(--card-background);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: 0 8px 25px var(--shadow);
    border-left: 5px solid var(--secondary-color);
    transition: var(--transition);
    animation: fadeInUp 0.8s ease-out;
    animation-fill-mode: both;
}

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

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px var(--shadow);
}

.news-card h2 {
    color: var(--heading-color);
    margin-bottom: 0.5rem;
    font-size: 1.4rem;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.news-card .date {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    animation: fadeInUp 0.6s ease-out 0.3s both;
}

.news-card p {
    animation: fadeInUp 0.6s ease-out 0.4s both;
}

/* Carousel Styles */
.carousel-container {
    position: relative;
    width: 100%;
    max-width: 1000px;
    margin: 3rem auto;
    overflow: hidden;
    border-radius: var(--border-radius);
    background: var(--card-background);
    box-shadow: 0 8px 25px var(--shadow);
}

.carousel {
    display: flex;
    transition: transform 0.5s ease-in-out;
    transform: translateX(0);
    width: 100%;
}

.carousel-item {
    min-width: 100%;
    width: 100%;
    flex-shrink: 0;
    box-sizing: border-box;
    padding: 30px;
    border-radius: var(--border-radius);
    border-left: 5px solid var(--secondary-color);
}

.carousel-item h2 {
    color: var(--heading-color);
    margin-bottom: 0.5rem;
    font-size: 1.4rem;
    font-weight: 600;
}

.carousel-item .date {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

.carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 15px 20px;
    font-size: 1.8rem;
    cursor: pointer;
    border-radius: 50%;
    transition: var(--transition);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
}

.carousel-nav:hover {
    background: var(--secondary-color);
    color: white;
    transform: translateY(-50%) scale(1.1);
}

.carousel-nav.prev {
    left: 10px;
}

.carousel-nav.next {
    right: 10px;
}

.news-item h3, .news-item h2 {
    color: var(--heading-color);
    margin-bottom: 0.5rem;
    font-size: 1.4rem;
    font-weight: 600;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.date {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    font-weight: 500;
    animation: fadeInUp 0.6s ease-out 0.4s both;
}

/* Testimonials */
.testimonials {
    background-color: var(--primary-color);
    color: white;
    padding: 80px 0;
    transition: var(--transition);
}

body:not([data-theme="dark"]) .testimonials {
    background-color: #ffffff;
    color: var(--primary-color);
}

.testimonials h2 {
    font-size: 2.2rem;
    margin-bottom: 3rem;
    font-weight: 600;
    text-align: center;
    animation: fadeInUp 0.8s ease-out;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.testimonial-card {
    background: var(--card-background);
    padding: 30px;
    border-radius: var(--border-radius);
    border: 2px solid var(--secondary-color);
    box-shadow: 0 8px 25px var(--shadow);
    transition: var(--transition);
    animation: fadeInUp 0.8s ease-out;
    animation-fill-mode: both;
}

.testimonial-card:nth-child(1) { animation-delay: 0.1s; }
.testimonial-card:nth-child(2) { animation-delay: 0.2s; }
.testimonial-card:nth-child(3) { animation-delay: 0.3s; }

.testimonial-card:hover {
    transform: translateY(-8px);
    background: var(--card-background);
    border-color: var(--primary-color);
    box-shadow: 0 15px 40px var(--shadow);
}

.testimonial-card .stars {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    animation: fadeInUp 0.6s ease-out 0.1s both;
}

.testimonial-card p {
    font-style: italic;
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.6s ease-out 0.2s both;
    color: inherit;
}

body:not([data-theme="dark"]) .testimonial-card p {
    color: var(--primary-color);
}

[data-theme="dark"] .testimonial-card p {
    color: var(--text-color);
}

.testimonial-card cite {
    font-style: normal;
    font-weight: 600;
    color: var(--primary-color);
    animation: fadeInUp 0.6s ease-out 0.3s both;
}

[data-theme="dark"] .testimonial-card cite {
    color: var(--heading-color);
}

/* Gallery */
.gallery-section {
    background-color: var(--background-color);
    transition: var(--transition);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.gallery-card {
    background: var(--card-background);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 8px 25px var(--shadow);
    transition: var(--transition);
    animation: fadeInUp 0.8s ease-out;
    animation-fill-mode: both;
    cursor: pointer;
    border: 2px solid var(--secondary-color);
}

.gallery-card:nth-child(1) { animation-delay: 0.1s; }
.gallery-card:nth-child(2) { animation-delay: 0.2s; }
.gallery-card:nth-child(3) { animation-delay: 0.3s; }
.gallery-card:nth-child(4) { animation-delay: 0.4s; }
.gallery-card:nth-child(5) { animation-delay: 0.5s; }
.gallery-card:nth-child(6) { animation-delay: 0.6s; }
.gallery-card:nth-child(7) { animation-delay: 0.7s; }
.gallery-card:nth-child(8) { animation-delay: 0.8s; }
.gallery-card:nth-child(9) { animation-delay: 0.9s; }

.gallery-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 15px 40px var(--shadow);
}

.gallery-card img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    transition: var(--transition);
    display: block;
}

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

.gallery-card h3 {
    background: var(--card-background);
    padding: 15px;
    text-align: center;
    color: var(--heading-color);
    font-size: 1.1rem;
    font-weight: 600;
    transition: var(--transition);
}

.gallery-card:hover h3 {
    background: var(--primary-color);
    color: white;
}

/* Image Modal / Lightbox */
.image-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 1000;
    animation: fadeIn 0.3s ease-out;
}

.image-modal.active {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 3rem;
    color: white;
    cursor: pointer;
    transition: var(--transition);
    z-index: 1001;
}

.modal-close:hover {
    color: var(--primary-color);
    transform: scale(1.2);
}

.modal-content {
    position: relative;
    max-width: 90vw;
    max-height: 85vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

#modalImage {
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 60px rgba(0, 0, 0, 0.5);
    animation: zoomIn 0.3s ease-out;
}

.modal-navigation {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 20px;
    z-index: 1001;
}

.modal-prev,
.modal-next {
    background-color: var(--primary-color);
    border: none;
    color: white;
    font-size: 1.5rem;
    padding: 12px 20px;
    cursor: pointer;
    border-radius: 50%;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
}

.modal-prev:hover,
.modal-next:hover {
    background-color: var(--secondary-color);
    transform: scale(1.1);
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

/* Contact */
.contact-section {
    background-color: var(--background-color);
    transition: var(--transition);
}

.contact-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.contact-card {
    background: var(--card-background);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: 0 8px 25px var(--shadow);
    transition: var(--transition);
    animation: fadeInUp 0.8s ease-out;
    animation-fill-mode: both;
}

.contact-card:nth-child(1) { animation-delay: 0.1s; }
.contact-card:nth-child(2) { animation-delay: 0.2s; }

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px var(--shadow);
}

.contact-card h2 {
    color: var(--heading-color);
    margin-bottom: 2rem;
    font-size: 2rem;
    font-weight: 600;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.info-item {
    margin-bottom: 2.5rem;
    padding: 20px;
    background: var(--card-background);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--secondary-color);
    box-shadow: 0 4px 15px var(--shadow);
    transition: var(--transition);
    animation: slideInLeft 0.8s ease-out;
}

.info-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px var(--shadow);
}

.info-item h3 {
    color: var(--heading-color);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
    font-weight: 600;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.map iframe {
    width: 100%;
    border-radius: var(--border-radius);
    border: none;
    box-shadow: 0 8px 25px var(--shadow);
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.form-group {
    margin-bottom: 1.8rem;
    animation: fadeInUp 0.6s ease-out;
    animation-fill-mode: both;
}

.form-group:nth-child(1) { animation-delay: 0.1s; }
.form-group:nth-child(2) { animation-delay: 0.2s; }
.form-group:nth-child(3) { animation-delay: 0.3s; }

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

.form-group input, .form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--text-light);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 51, 102, 0.1);
}

.form-group textarea {
    resize: vertical;
}

/* About Cards */
.about-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.about-card {
    background: var(--card-background);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: 0 8px 25px var(--shadow);
    border-left: 5px solid var(--secondary-color);
    transition: var(--transition);
    animation: fadeInUp 0.8s ease-out;
    animation-fill-mode: both;
}

.about-card:nth-child(1) { animation-delay: 0.1s; }
.about-card:nth-child(2) { animation-delay: 0.2s; }
.about-card:nth-child(3) { animation-delay: 0.3s; }
.about-card:nth-child(4) { animation-delay: 0.4s; }

.about-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px var(--shadow);
}

.about-card h2 {
    color: var(--heading-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
    font-weight: 600;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.about-card p {
    animation: fadeInUp 0.6s ease-out 0.3s both;
}

.about-card ul {
    animation: fadeInUp 0.6s ease-out 0.3s both;
}

.about-card li {
    margin-bottom: 0.5rem;
}

/* Academic Cards */
.academic-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.academic-card {
    background: var(--card-background);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: 0 8px 25px var(--shadow);
    border-left: 5px solid var(--secondary-color);
    transition: var(--transition);
    animation: fadeInUp 0.8s ease-out;
    animation-fill-mode: both;
}

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

.academic-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px var(--shadow);
}

.academic-card h2 {
    color: var(--heading-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
    font-weight: 600;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.academic-card p {
    animation: fadeInUp 0.6s ease-out 0.3s both;
}

.academic-card strong {
    color: var(--heading-color);
}

/* Admission Cards */
.admission-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.admission-card {
    background: var(--card-background);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: 0 8px 25px var(--shadow);
    border-left: 5px solid var(--secondary-color);
    transition: var(--transition);
    animation: fadeInUp 0.8s ease-out;
    animation-fill-mode: both;
}

.admission-card:nth-child(1) { animation-delay: 0.1s; }
.admission-card:nth-child(2) { animation-delay: 0.2s; }

.admission-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px var(--shadow);
}

.admission-card h2 {
    color: var(--heading-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
    font-weight: 600;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.admission-card p {
    animation: fadeInUp 0.6s ease-out 0.3s both;
}

.admission-card ol, .admission-card ul {
    margin-left: 1.5rem;
    animation: fadeInUp 0.6s ease-out 0.3s both;
}

.admission-card li {
    margin-bottom: 0.8rem;
}

    .admission-card .btn {
        margin-top: 1.5rem;
        animation: fadeInUp 0.6s ease-out 0.5s both;
    }

    .about-card:hover,
    .academic-section:hover,
    .academic-card:hover,
    .admission-card:hover,
    .admissions-card:hover,
    .level-card:hover,
    .why-card:hover,
    .highlight-card:hover,
    .news-card:hover,
    .testimonial-card:hover,
    .gallery-card:hover,
    .contact-card:hover,
    .info-item:hover,
    .carousel-item:hover {
        transform: translateY(-6px);
        box-shadow: 0 18px 45px var(--shadow);
    }

    /* Footer */
footer {
    background-color: var(--primary-color);
    color: white;
    padding: 50px 0 30px;
    transition: var(--transition);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
}

.footer-section h3 {
    color: #ffffff;
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
    font-weight: 600;
    animation: fadeInUp 0.6s ease-out;
}

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

.footer-section a {
    color: white;
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
    padding: 0.3rem 0;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.footer-section a:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

/* Responsive design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: #003366;
        flex-direction: column;
        padding: 1rem 0;
        box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    }

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

    body:not([data-theme="dark"]) .nav-links.active a {
        color: white;
    }

    body:not([data-theme="dark"]) header .nav-links a:hover,
    body:not([data-theme="dark"]) header .nav-links a:focus {
        color: white;
        background-color: rgba(255, 255, 255, 0.12);
    }

    .nav-links li {
        margin: 0;
        text-align: center;
        padding: 0.8rem 0;
    }

    .hamburger {
        display: flex;
    }

    .hero {
        flex-direction: column;
        text-align: center;
        padding: 60px 20px;
        min-height: auto;
    }

    .hero-content {
        padding-left: 0;
        margin-bottom: 2rem;
    }

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

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

    .hero-image {
        margin-right: 0;
        margin-top: -10px;
        max-width: 90vw;
    }

    .cta-buttons {
        justify-content: center;
        flex-direction: row;
    }

    .btn {
        padding: 10px 20px;
        font-size: 1rem;
    }

    .carousel-nav {
        width: 40px;
        height: 40px;
        font-size: 1.4rem;
        padding: 10px 15px;
    }

    .carousel-nav.prev {
        left: 0px;
    }

    .carousel-nav.next {
        right: 5px;
    }

    .contact-cards {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .why-choose-us .why-cards-grid {
        grid-template-columns: 1fr;
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }

    .content-section .container {
        margin: 10px;
        padding: 25px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 50px 15px;
    }

    .hero-content h1 {
        font-size: 1.8rem;
    }

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

    .hero-image {
        max-width: 95vw;
        margin-top: -15px;
    }

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

    .carousel-nav {
        width: 35px;
        height: 35px;
        font-size: 1.2rem;
        padding: 8px 12px;
    }

    .carousel-nav.prev {
        left: 0px;
    }

    .carousel-nav.next {
        right: 2px;
    }

    .page-header h1 {
        font-size: 2.2rem;
    }

    .page-header {
        padding: 70px 0;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .contact-form {
        padding: 20px;
    }
}