/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

/* Enable smooth scrolling except on iOS */
@media screen and (prefers-reduced-motion: no-preference) {
    html:not(.ios) {
        scroll-behavior: smooth;
    }
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    width: 100%;
    position: relative;
}

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

/* Improve touch targets */
button,
a {
    min-height: 44px;
    min-width: 44px;
}

/* Global Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* Header Styles */
.header {
    background-color: #003399;
    color: white;
    padding: 1rem;
    position: relative;
    z-index: 2;
    will-change: transform;
}

.main-nav {
    display: flex;
    display: -webkit-flex;
    justify-content: space-between;
    -webkit-justify-content: space-between;
    align-items: center;
    -webkit-align-items: center;
    min-height: 44px;
}

.logo {
    display: flex;
    display: -webkit-flex;
    align-items: center;
    -webkit-align-items: center;
    gap: 1rem;
}

.logo-img {
    display: block;
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.logo-text {
    font-size: clamp(1.2rem, 4vw, 1.5rem);
    font-weight: bold;
}

/* Hero Section */
.hero {
    position: relative;
    height: clamp(300px, 50vh, 500px);
    background: url('/api/placeholder/1200/500') center/cover;
    display: flex;
    display: -webkit-flex;
    align-items: center;
    -webkit-align-items: center;
    padding: 2rem;
    will-change: transform;
}

.hero-content {
    color: white;
    max-width: min(600px, 90%);
    animation: fadeIn 0.5s ease-out;
    -webkit-animation: fadeIn 0.5s ease-out;
}

.hero-title {
    font-size: clamp(1.8rem, 5vw, 2.5rem);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-text {
    font-size: clamp(1rem, 3vw, 1.2rem);
    opacity: 0.9;
}

/* Departments Section */
.departments {
    padding: clamp(2rem, 5vw, 3rem);
    background-color: #f5f5f5;
    overflow: hidden;
}

.section-title {
    color: #003399;
    text-align: center;
    margin-bottom: clamp(1.5rem, 4vw, 2rem);
    font-size: clamp(1.5rem, 4vw, 2rem);
}

.departments-grid {
    display: flex;
    display: -webkit-flex;
    flex-wrap: wrap;
    -webkit-flex-wrap: wrap;
    gap: clamp(1rem, 3vw, 2rem);
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 clamp(1rem, 3vw, 2rem);
}

.department-card {
    flex: 1 1 min(100%, 300px);
    -webkit-flex: 1 1 min(100%, 300px);
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
    will-change: transform;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    -webkit-transition: -webkit-transform 0.3s ease, box-shadow 0.3s ease;
}

.department-card:hover {
    transform: translateY(-2px);
    -webkit-transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.department-content {
    padding: clamp(1rem, 3vw, 1.5rem);
}

.department-title {
    color: #003399;
    margin-bottom: 1rem;
    font-size: clamp(1.1rem, 3vw, 1.3rem);
}

.department-list {
    list-style-position: inside;
    padding-left: 0.5rem;
}

.department-list li {
    margin-bottom: 0.8rem;
    color: #555;
    position: relative;
    padding-left: 1rem;
}

.department-list li:last-child {
    margin-bottom: 0;
}

/* Admissions Section */
.admissions {
    padding: clamp(1.5rem, 4vw, 2rem);
    background-color: #f5f5f5;
    -webkit-overflow-scrolling: touch;
}

.admission-container {
    max-width: min(800px, 90%);
    margin: 0 auto;
}

.admission-list {
    margin-bottom: clamp(1.5rem, 4vw, 2rem);
}

.admission-item {
    margin-bottom: 0.5rem;
    background: white;
    border-radius: 4px;
    overflow: hidden;
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
    will-change: transform;
}

.admission-item:last-child {
    margin-bottom: 0;
}

.admission-trigger {
    width: 100%;
    padding: clamp(0.8rem, 3vw, 1rem);
    text-align: left;
    background: none;
    border: none;
    font-size: 1.1rem;
    position: relative;
    cursor: pointer;
    display: flex;
    display: -webkit-flex;
    justify-content: space-between;
    -webkit-justify-content: space-between;
    align-items: center;
    -webkit-align-items: center;
    -webkit-appearance: none;
    appearance: none;
    color: inherit;
    touch-action: manipulation;
}

.admission-trigger:focus {
    outline: 2px solid #003399;
    outline-offset: -2px;
}

.admission-trigger .icon {
    width: 20px;
    height: 20px;
    position: relative;
    flex-shrink: 0;
    -webkit-flex-shrink: 0;
}

.admission-trigger .icon::before,
.admission-trigger .icon::after {
    content: '';
    position: absolute;
    background-color: currentColor;
    transition: transform 0.3s ease;
    -webkit-transition: -webkit-transform 0.3s ease;
}

.admission-trigger .icon::before {
    width: 2px;
    height: 100%;
    left: 50%;
    transform: translateX(-50%);
    -webkit-transform: translateX(-50%);
}

.admission-trigger .icon::after {
    width: 100%;
    height: 2px;
    top: 50%;
    transform: translateY(-50%);
    -webkit-transform: translateY(-50%);
}

.admission-item.active .admission-trigger .icon::before {
    transform: translateX(-50%) rotate(90deg);
    -webkit-transform: translateX(-50%) rotate(90deg);
}

.admission-content {
    height: 0;
    overflow: hidden;
    transition: height 0.3s ease-out;
    -webkit-transition: height 0.3s ease-out;
    background-color: #f9f9f9;
    will-change: height;
}

.admission-inner {
    padding: clamp(1rem, 3vw, 1.5rem);
}

.admission-content ul {
    padding-left: 1.5rem;
    margin-top: 0.5rem;
    list-style: disc;
}

.admission-content li {
    margin-bottom: 0.5rem;
    color: #666;
    padding-left: 0.5rem;
}

.admission-content li:last-child {
    margin-bottom: 0;
}

.admission-action {
    text-align: center;
    margin-top: clamp(1.5rem, 4vw, 2rem);
    padding-top: clamp(1.5rem, 4vw, 2rem);
    border-top: 1px solid #eee;
}

.apply-button {
    display: inline-flex;
    display: -webkit-inline-flex;
    align-items: center;
    -webkit-align-items: center;
    justify-content: center;
    -webkit-justify-content: center;
    background-color: #003399;
    color: white;
    padding: clamp(0.8rem, 3vw, 1rem) clamp(2rem, 6vw, 3rem);
    border-radius: 4px;
    text-decoration: none;
    font-weight: bold;
    font-size: clamp(1rem, 3vw, 1.1rem);
    transition: background-color 0.3s ease, transform 0.3s ease;
    -webkit-transition: background-color 0.3s ease, -webkit-transform 0.3s ease;
    will-change: background-color, transform;
    -webkit-appearance: none;
    appearance: none;
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
}

.apply-button:hover {
    background-color: #002277;
    transform: translateY(-1px);
    -webkit-transform: translateY(-1px);
}

.apply-button:active {
    transform: translateY(0);
    -webkit-transform: translateY(0);
}

/* Footer Styles */
.footer {
    background-color: #003399;
    color: white;
    padding: clamp(1.5rem, 4vw, 2rem);
    margin-top: clamp(2rem, 5vw, 3rem);
}

.footer-content {
    max-width: min(1200px, 90%);
    margin: 0 auto;
    text-align: center;
}

.university-info {
    margin-bottom: clamp(1.5rem, 4vw, 2rem);
}

.university-info h3 {
    font-size: clamp(1.3rem, 4vw, 1.5rem);
    margin-bottom: 1rem;
}

.footer-logo {
    width: 120px;
    height: 40px;
    margin: 0 auto 1rem;
    object-fit: contain;
}

address {
    font-style: normal;
    line-height: 1.8;
}

.university-info p {
    margin-bottom: 0.5rem;
    opacity: 0.9;
}

.university-info a {
    color: white;
    text-decoration: none;
    transition: opacity 0.3s ease;
    -webkit-transition: opacity 0.3s ease;
}

.university-info a:hover {
    opacity: 0.8;
}

.footer-bottom {
    margin-top: clamp(1.5rem, 4vw, 2rem);
    padding-top: clamp(1rem, 3vw, 1.5rem);
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Mobile Optimizations */
@supports (-webkit-touch-callout: none) {
    .admission-item {
        -webkit-transform: translateZ(0);
        transform: translateZ(0);
    }

    .admission-content {
        -webkit-overflow-scrolling: touch;
    }

    * {
        -webkit-backface-visibility: hidden;
        backface-visibility: hidden;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        font-size: 15px;
    }

    .departments-grid {
        display: block;
    }

    .department-card {
        margin-bottom: 1rem;
    }

    .department-card:last-child {
        margin-bottom: 0;
    }

    .apply-button {
        width: 100%;
        max-width: 300px;
    }
}

/* Print Styles */
@media print {
    .hero {
        height: auto;
        color: #000;
        background: none;
    }

    .apply-button {
        display: none;
    }

    .admission-content {
        height: auto !important;
        overflow: visible;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: more) {
    .apply-button {
        background: #000;
        color: #fff;
        border: 2px solid #fff;
    }
}