/* =================================== */
/*   主要樣式表 (style.css)           */
/* =================================== */

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



body {
    font-family: 'Noto Sans TC', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
    /* 為 fixed header 預留空間 */
    padding-top: 80px; 
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    text-decoration: none;
}

.btn-primary {
    background-color: #8B1538;
    color: white;
    border-color: #8B1538;
}

.btn-primary:hover {
    background-color: #6B1028;
    border-color: #6B1028;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(139, 21, 56, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: #8B1538;
    border-color: #8B1538;
}

.btn-secondary:hover {
    background-color: #8B1538;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(139, 21, 56, 0.3);
}

.btn-outline {
    background-color: transparent;
    color: #333;
    border-color: #ddd;
}

.btn-outline:hover {
    background-color: #333;
    color: white;
    border-color: #333;
}

/* Header */
.header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: background-color 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;
}

.header.scrolled {
    background-color: #fff;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    padding: 0.5rem 0;
}

.navbar {
    padding: 1rem 0;
}

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

.nav-brand .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: #8B1538;
}

.logo-img {
    width: 40px;
    height: 40px;
    margin-right: 10px;
}

.nav-menu {
    display: flex;
}

.nav-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative;
    margin-left: 2rem;
}

.nav-link {
    color: #333;
    font-weight: 500;
    padding: 0.5rem 0;
    transition: color 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: #8B1538;
}

.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-radius: 6px;
    padding: 0.5rem 0;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    list-style: none;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: 0.5rem 1rem;
    color: #333;
    transition: background-color 0.3s ease;
}

.dropdown-menu a:hover {
    background-color: #f8f9fa;
    color: #8B1538;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    background: none;
    border: none;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    position: relative;
    height: calc(100vh - 80px); /* 扣除 header 高度 */
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #8B1538 0%, #6B1028 100%);
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    z-index: -1;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    margin-bottom: 1.5rem;
}

.title-main {
    display: block;
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.title-sub {
    display: block;
    font-size: 1.5rem;
    font-weight: 400;
    opacity: 0.9;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.8;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Sections */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    color: #8B1538;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* Features Section */
.features {
    padding: 5rem 0;
    background-color: #f8f9fa;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-card {
    background-color: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background-color: #8B1538;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
}

.feature-title {
    color: #8B1538;
    margin-bottom: 1rem;
}

.feature-description {
    color: #666;
    line-height: 1.8;
}

/* Stats Section */
.stats {
    padding: 3rem 0;
    background-color: #8B1538;
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-item {
    padding: 1rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #fff;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Colleges Section */
.colleges {
    padding: 5rem 0;
}

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

.college-card {
    background-color: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.college-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.college-image {
    height: 200px;
    overflow: hidden;
}

.college-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.college-content {
    padding: 1.5rem;
}

.college-title {
    color: #8B1538;
    margin-bottom: 1rem;
}

.college-description {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.college-link {
    color: #8B1538;
    font-weight: 500;
    text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: border-color 0.3s ease;
}

.college-link:hover {
    border-bottom-color: #8B1538;
}

/* Video Sections */
.main-video-section, .related-videos {
    padding: 5rem 0;
}
.related-videos {
    background-color: #f8f9fa;
}
.video-container {
    max-width: 1000px;
    margin: 0 auto;
}
.main-video {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
}
.main-video iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
.video-info {
    padding: 2rem 0;
}
.video-title {
    color: #8B1538;
}
.video-description {
    color: #666;
}
.video-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    text-align: center;
    margin-top: 2rem;
}
.videos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}
.video-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}
.video-thumbnail {
    position: relative;
    cursor: pointer;
}
.video-thumbnail .play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(139, 21, 56, 0.8);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}
.video-card:hover .play-button {
    transform: translate(-50%, -50%) scale(1.1);
}
.video-card-content {
    padding: 1.5rem;
}
.video-meta {
    font-size: 0.9rem;
    color: #666;
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}


/* News Section */
.news {
    padding: 5rem 0;
    background-color: #f8f9fa;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.news-card {
    background-color: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.news-image {
    height: 200px;
    overflow: hidden;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.news-content {
    padding: 1.5rem;
}

.news-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.news-date {
    color: #666;
}

.news-category {
    color: #8B1538;
    font-weight: 500;
}

.news-title {
    color: #333;
    margin-bottom: 1rem;
    line-height: 1.4;
}

.news-excerpt {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.news-link {
    color: #8B1538;
    font-weight: 500;
    text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: border-color 0.3s ease;
}

.news-link:hover {
    border-bottom-color: #8B1538;
}

.news-more {
    text-align: center;
}

/* CTA Section */
.cta {
    padding: 5rem 0;
    background: linear-gradient(135deg, #8B1538 0%, #6B1028 100%);
    color: white;
    text-align: center;
}

.cta-title {
    color: white;
    margin-bottom: 1rem;
}

.cta-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta .btn-primary {
    background-color: white;
    color: #8B1538;
    border-color: white;
}

.cta .btn-primary:hover {
    background-color: transparent;
    color: white;
    border-color: white;
}

.cta .btn-secondary {
    background-color: transparent;
    color: white;
    border-color: white;
}

.cta .btn-secondary:hover {
    background-color: white;
    color: #8B1538;
}

/* Footer */
.footer {
    background-color: #2c3e50;
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.footer-logo-img {
    width: 40px;
    height: 40px;
    margin-right: 10px;
}

.footer-logo-text {
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-description {
    margin-bottom: 1.5rem;
    opacity: 0.8;
    line-height: 1.8;
}

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

.social-link {
    width: 40px;
    height: 40px;
    background-color: #34495e;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: background-color 0.3s ease;
}

.social-link:hover {
    background-color: #8B1538;
}

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

.footer-links {
    list-style: none;
    padding-left: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: #bdc3c7;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: white;
}

.footer-contact .contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    color: #bdc3c7;
}

.footer-contact .contact-item i {
    width: 20px;
    margin-right: 10px;
    color: #8B1538;
}

.footer-bottom {
    border-top: 1px solid #34495e;
    padding-top: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-copyright {
    color: #bdc3c7;
    font-size: 0.9rem;
}

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

.footer-links-bottom a {
    color: #bdc3c7;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-links-bottom a:hover {
    color: white;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background-color: #8B1538;
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    z-index: 1000;
}

.back-to-top:hover {
    background-color: #6B1028;
    transform: translateY(-2px);
}

.back-to-top.show {
    display: flex;
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
    /* 確保動畫執行前元素是隱藏的 */
    opacity: 0; 
    animation-fill-mode: forwards;
}


/* =================================== */
/* 響應式設計 (responsive.css)         */
/* =================================== */

/* Large Desktop */
@media (min-width: 1200px) {
    .container {
        max-width: 1400px;
    }
    
    .hero-title .title-main {
        font-size: 4rem;
    }
    
    .hero-title .title-sub {
        font-size: 1.8rem;
    }
}

/* Desktop */
@media (max-width: 1199px) {
    .container {
        max-width: 1000px;
    }
}

/* Tablet */
@media (max-width: 991px) {
    body {
        /* 在平板尺寸下，header 高度可能不同 */
        padding-top: 70px; 
    }
    .container {
        padding: 0 15px;
    }
    
    /* Navigation */
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px; /* 應與 body 的 padding-top 對應 */
        left: 0;
        width: 100%;
        background-color: white;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 999;
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .nav-list {
        flex-direction: column;
        padding: 1rem 0;
    }
    
    .nav-item {
        margin: 0;
        border-bottom: 1px solid #eee;
    }
    
    .nav-link {
        display: block;
        padding: 1rem 2rem;
        border-bottom: none;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background-color: #f8f9fa;
        margin: 0;
        border-radius: 0;
        display: none;
        padding-left: 1rem; /* 增加縮排 */
    }
    
    .dropdown.active .dropdown-menu {
        display: block;
    }
    
    .dropdown-menu a {
        padding: 0.75rem 2rem;
        border-bottom: none; /* 移除子項目的底線 */
    }
    
    /* Hero Section */
    .hero {
        height: calc(100vh - 70px);
    }
    .hero-title .title-main {
        font-size: 2.5rem;
    }
    
    .hero-title .title-sub {
        font-size: 1.2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .hero-buttons .btn {
        width: 200px;
    }
    
    /* Grid Adjustments */
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .colleges-grid, .videos-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1.5rem;
    }
    
    .news-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 1.5rem;
    }
    
    .stats-grid, .video-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* Mobile Large */
@media (max-width: 767px) {
    /* Typography */
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.25rem; }
    
    /* Sections */
    .features,
    .colleges,
    .news,
    .cta,
    .main-video-section,
    .related-videos {
        padding: 3rem 0;
    }
    
    .stats {
        padding: 2rem 0;
    }
    
    /* Hero Section */
    .hero {
        height: 80vh;
        min-height: 600px;
    }
    
    .hero-content {
        padding: 0 15px;
    }
    
    .hero-title .title-main {
        font-size: 2rem;
    }
    
    .hero-title .title-sub {
        font-size: 1rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-description {
        font-size: 0.9rem;
    }
    
    /* Grid Adjustments */
    .features-grid,
    .colleges-grid,
    .news-grid,
    .videos-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .stats-grid, .video-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    /* Footer */
    .footer {
        padding: 2rem 0 1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        text-align: center;
    }
    .footer-logo, .footer-social {
        justify-content: center;
    }
    
    /* CTA Section */
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-buttons .btn {
        width: 200px;
    }
}

/* Mobile Small */
@media (max-width: 575px) {
    .container {
        padding: 0 10px;
    }
    
    /* Navigation */
    .navbar {
        padding: 0.75rem 0;
    }
    
    .logo-text {
        font-size: 1.2rem;
    }
    
    .nav-link {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
    
    /* Hero Section */
    .hero {
        height: 70vh;
        min-height: 500px;
    }
    
    .hero-title .title-main {
        font-size: 1.75rem;
    }
    
    .hero-title .title-sub {
        font-size: 0.9rem;
    }
    
    .hero-subtitle {
        font-size: 0.9rem;
    }
    
    .hero-description {
        font-size: 0.85rem;
        margin-bottom: 1.5rem;
    }
    
    .hero-buttons .btn {
        width: 180px;
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    /* Typography */
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.125rem; }
    
    .section-header {
        margin-bottom: 2rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    /* Cards */
    .feature-card {
        padding: 1.5rem;
    }
    
    .college-image,
    .news-image {
        height: 180px;
    }
    
    /* Stats */
    .stat-number {
        font-size: 2rem;
    }
    
    .stat-label {
        font-size: 1rem;
    }
    
    /* Back to Top */
    .back-to-top {
        width: 45px;
        height: 45px;
        bottom: 15px;
        right: 15px;
        font-size: 1rem;
    }
}

/* Accessibility & Print */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

.skip-link {
    position: absolute;
    top: -100px; /* 移到畫面外 */
    left: 6px;
    background: #8B1538;
    color: white;
    padding: 8px 12px;
    text-decoration: none;
    z-index: 1001;
    border-radius: 4px;
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 6px; /* 獲得焦點時顯示 */
}

/* Focus Styles for Accessibility */
a:focus,
button:focus,
.btn:focus,
.nav-link:focus,
.social-link:focus,
.college-link:focus,
.news-link:focus {
    outline: 3px solid #005fcc; /* 高對比的藍色 */
    outline-offset: 2px;
}```


/* Performance Optimizations */
/* ========================= */

/* Lazy loading for images */
img {
    loading: lazy;
}

/* Optimize font loading */
@font-face {
    font-family: 'Noto Sans TC';
    font-display: swap;
}

/* Reduce layout shifts */
.hero-background {
    aspect-ratio: 16/9;
    min-height: 400px;
}

/* Optimize animations */


/* Critical CSS for above-the-fold content */
.header {
    contain: layout style;
}

.hero {
    contain: layout style;
}

/* Optimize scrolling performance */
.nav-menu {
    will-change: transform;
}

/* Preload critical resources */
.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.4));
    z-index: 1;
}

/* Optimize video embeds */
iframe {
    loading: lazy;
}

/* Improve Core Web Vitals */
.feature-card,
.college-card {
    contain: layout style;
}

/* Optimize images for different screen sizes */
@media (max-width: 768px) {
    .hero-background {
        background-size: cover;
        background-position: center;
    }
}

/* Add smooth scrolling for better UX */


/* Optimize button interactions */
.btn {
    touch-action: manipulation;
}

/* Improve accessibility */


/* Add focus indicators for better accessibility */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus {
    outline: 2px solid #8B1538;
    outline-offset: 2px;
}

/* Optimize for touch devices */
@media (hover: none) and (pointer: coarse) {
    .nav-item:hover .dropdown-menu {
        display: none;
    }
    
    .nav-item.active .dropdown-menu {
        display: block;
    }
}


html {
    scroll-behavior: smooth;
}


@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}