/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
    transition: all var(--transition-normal);
    font-size: 0.95rem;
}

.primary-btn {
    background-color: var(--c-primary);
    color: var(--c-white); /* White text on gold button */
}

.primary-btn:hover {
    background-color: var(--c-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1); /* Subtle shadow, no glow */
}

.secondary-btn {
    background: transparent;
    border: 1px solid var(--c-primary);
    color: var(--c-primary);
}

.secondary-btn:hover {
    background-color: rgba(212, 175, 55, 0.1);
    transform: translateY(-2px);
}

.icon-btn {
    padding: 0.5rem;
    border-radius: 50%;
    font-size: 1.2rem;
    transition: background-color var(--transition-fast);
}

.icon-btn:hover {
    background-color: var(--glass-border);
}

/* --- Card --- */
.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm); /* More formal small radius */
    box-shadow: var(--glass-shadow);
}

/* --- Navbar --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    z-index: 1000;
    background: var(--c-bg-main);
    border-bottom: 1px solid var(--glass-border);
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05); /* Light shadow for formal look */
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--c-primary);
}

.logo i {
    font-size: 1.8rem;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 600; /* Increased font weight */
    position: relative;
    padding: 0.5rem 0;
    color: var(--c-text-main);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background-color: var(--c-primary);
    transition: width var(--transition-normal);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-menu-btn {
    display: none;
}

/* Lang Switcher */
.lang-switcher {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.95rem;
    font-weight: 600;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.lang-btn:hover {
    background-color: var(--glass-border);
}

.lang-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
    background: var(--c-bg-main);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    min-width: 120px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
}

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

.lang-option {
    width: 100%;
    text-align: left;
    padding: 0.8rem 1rem;
    font-size: 0.9rem;
    transition: background var(--transition-fast);
}

.lang-option:hover {
    background-color: var(--glass-border);
}

/* --- Hero Section --- */
.hero {
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    text-align: center;
    overflow: hidden;
    background-color: var(--c-bg-darker);
}

.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 60%, rgba(0, 0, 0, 0.3) 100%);
    transition: background var(--transition-normal);
    pointer-events: none;
}

[data-theme="dark"] .hero-overlay {
    background: radial-gradient(circle at center, rgba(15, 19, 25, 0.2) 0%, rgba(15, 19, 25, 0.6) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: 3rem;
    border-radius: 50%;
    background: radial-gradient(ellipse at center, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0) 70%);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: #FADB5F;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 1rem;
    font-family: var(--font-sans);
    /* Multi-layered shadow to create a crisp, clean outline (faux-stroke) 
       that guarantees readability on ANY background without looking blurry/dirty */
    text-shadow: 
        -1px -1px 0 rgba(0, 0, 0, 0.4),  
         1px -1px 0 rgba(0, 0, 0, 0.4),
        -1px  1px 0 rgba(0, 0, 0, 0.4),
         1px  1px 0 rgba(0, 0, 0, 0.4),
         0px  2px 5px rgba(0, 0, 0, 0.4);
}

.hero-title {
    font-size: 4.5rem;
    margin-bottom: 1.5rem;
    color: #ffffff;
    text-shadow: 
        -1px -1px 0 rgba(0, 0, 0, 0.4),  
         1px -1px 0 rgba(0, 0, 0, 0.4),
        -1px  1px 0 rgba(0, 0, 0, 0.4),
         1px  1px 0 rgba(0, 0, 0, 0.4),
         0px  4px 10px rgba(0, 0, 0, 0.3);
}

.subpage-hero .hero-title {
    color: #ffffff;
    text-shadow: 
        -1px -1px 0 rgba(0, 0, 0, 0.4),  
         1px -1px 0 rgba(0, 0, 0, 0.4),
        -1px  1px 0 rgba(0, 0, 0, 0.4),
         1px  1px 0 rgba(0, 0, 0, 0.4),
         0px  4px 10px rgba(0, 0, 0, 0.3);
}

.hero-motto {
    font-size: 1.5rem;
    color: rgba(255,255,255,0.95);
    font-style: italic;
    margin-bottom: 2.5rem;
    text-shadow: 
        -1px -1px 0 rgba(0, 0, 0, 0.4),  
         1px -1px 0 rgba(0, 0, 0, 0.4),
        -1px  1px 0 rgba(0, 0, 0, 0.4),
         1px  1px 0 rgba(0, 0, 0, 0.4),
         0px  2px 5px rgba(0, 0, 0, 0.4);
}

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

.hero-cta .secondary-btn {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #ffffff;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.hero-cta .secondary-btn:hover {
    background: rgba(0, 0, 0, 0.6);
    border-color: rgba(255, 255, 255, 0.6);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 2rem;
    color: var(--c-primary);
    animation: bounce 2s infinite;
    z-index: 1;
}

/* --- News Section --- */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.news-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: transform var(--transition-normal);
}

.news-card:hover {
    transform: translateY(-10px);
}

.news-image {
    height: 200px;
    background-image: var(--bg);
    background-position: center;
    background-size: cover;
    position: relative;
}

.news-tag {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--c-primary);
    color: var(--c-white);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.news-content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news-date {
    font-size: 0.85rem;
    color: var(--c-text-muted);
    margin-bottom: 0.5rem;
}

.news-content h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    font-family: var(--font-sans);
}

.news-content p {
    font-size: 0.95rem;
    color: var(--c-text-muted);
    margin-bottom: 1.5rem;
    flex: 1;
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--c-primary);
    font-weight: 500;
    font-size: 0.9rem;
}

/* --- Colleges Section --- */
.colleges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.college-card {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    height: 350px;
    cursor: pointer;
}

.college-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transition: transform var(--transition-slow);
}

.college-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 60%);
    transition: background var(--transition-normal);
}

.college-content {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 2rem;
    z-index: 1;
    transform: translateY(20px);
    transition: transform var(--transition-normal);
}

.element-icon {
    width: 40px;
    height: 40px;
    margin-bottom: 1rem;
    /* Normally SVG here, placeholder style below */
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: var(--c-white);
    font-size: 1.2rem;
}

.college-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--c-white); /* Always white text on dark overlay */
}

.college-content p {
    font-size: 0.9rem;
    color: #e2e8f0;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

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

.college-card:hover .college-overlay {
    background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, transparent 80%);
}

.college-card:hover .college-content {
    transform: translateY(0);
}

.college-card:hover .college-content p {
    opacity: 1;
}

/* --- Admissions Section --- */
.admissions-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.admissions-text h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

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

.stat-item .stat-number {
    font-size: 3rem;
    font-family: var(--font-sans);
    color: var(--c-primary);
    display: inline-block;
}

.stat-item span {
    font-size: 1.5rem;
    color: var(--c-primary);
    font-weight: bold;
}

.stat-item p {
    color: var(--c-text-muted);
    font-size: 0.9rem;
}

.alumni-quote {
    padding: 3rem;
}

.alumni-quote i {
    font-size: 3rem;
    color: rgba(212, 175, 55, 0.2);
    margin-bottom: 1rem;
}

.quote-text {
    font-size: 1.25rem;
    font-style: italic;
    line-height: 1.8;
    margin-bottom: 2rem;
    color: var(--c-white);
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-size: cover;
    background-position: center;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.quote-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-info h5 {
    font-size: 1.1rem;
    color: var(--c-primary);
}

.author-info span {
    font-size: 0.85rem;
    color: #e2e8f0; /* Lighter color for dark background */
}

/* --- Campus Life Carousel --- */
.life-carousel-container {
    overflow: hidden;
    padding: 1rem 0;
}

.life-carousel {
    display: flex;
    gap: 2rem;
    /* Will be controlled by JS for dragging/scrolling */
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none; /* Firefox */
}

.life-carousel::-webkit-scrollbar {
    display: none;
}

.life-card {
    min-width: 350px;
    height: 450px;
    scroll-snap-align: center;
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: box-shadow 0.4s ease;
}

.life-card:hover {
    box-shadow: 0 15px 40px rgba(0,0,0,0.2);
}

.life-img {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.life-card:hover .life-img {
    transform: scale(1.08);
}

.life-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60%;
    background: linear-gradient(to top, rgba(15,19,25,0.95) 0%, rgba(15,19,25,0.4) 60%, transparent 100%);
    pointer-events: none;
}

.life-info h3 {
    position: absolute;
    bottom: 2rem;
    left: 2rem;
    right: 2rem;
    margin: 0;
    font-size: 1.5rem;
    color: var(--c-white);
    font-family: var(--font-serif);
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
    transform: translateY(0);
    transition: transform 0.9s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.life-info p {
    position: absolute;
    top: calc(100% - 1.5rem);
    left: 2rem;
    right: 2rem;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.85);
    opacity: 0;
    transform: translateY(15px);
    transition: all 0.9s cubic-bezier(0.2, 0.8, 0.2, 1);
    margin: 0;
    line-height: 1.6;
}

.life-card:hover .life-info h3 {
    transform: translateY(-55px);
}

.life-card:hover .life-info p {
    opacity: 1;
    transform: translateY(-55px);
}

/* --- Footer --- */
.footer {
    background-color: var(--c-bg-darker);
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--glass-border);
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-logo {
    margin-bottom: 1rem;
}


.footer-logo span {
    font-size: 1.5rem;
    font-weight: 600;
}

.footer-logo .logo-img {
    filter: invert(1);
}

.footer-motto {
    color: #a0aabf;
    margin-bottom: 1.5rem;
}

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

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--glass-border);
    transition: all var(--transition-fast);
}

.social-links a:hover {
    background: var(--c-primary);
    color: var(--c-bg-dark);
}

.footer-links h4 {
    font-family: var(--font-sans);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: var(--c-white);
}

.footer-links a, .footer-links p {
    display: block;
    width: fit-content;
    color: #a0aabf;
    margin-bottom: 0.8rem;
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--c-primary);
}

.footer-links p i {
    margin-right: 0.5rem;
    color: var(--c-primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
    color: #a0aabf;
    font-size: 0.9rem;
}

.legal-links {
    display: flex;
    gap: 1.5rem;
}

/* --- Responsive --- */
@media (max-width: 992px) {
    .admissions-layout {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--glass-bg);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        padding: 1rem 0;
        border-bottom: 1px solid var(--glass-border);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links a {
        padding: 1rem 2rem;
        text-align: center;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

.footer-links p { display: flex; align-items: center; gap: 0.5rem; line-height: 1; }
.footer-links p i { margin-right: 0; font-size: 1.2rem; display: flex; align-items: center; }
.footer-links p a, .footer-links p span { display: inline-block; line-height: 1; margin-bottom: 0; }

.adm-email-link {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}
.adm-email-link:hover {
    color: var(--c-primary);
    text-decoration: none;
}

/* --- Non-Chinese Language Typography Overrides --- */
html:not([lang="zh"]) .logo {
    font-size: 1rem;
    white-space: nowrap;
}
html:not([lang="zh"]) .hero-title {
    font-size: 2.5rem;
}
html:not([lang="zh"]) .subpage-hero .hero-title {
    font-size: 2rem;
}
html:not([lang="zh"]) .hero-subtitle,
html:not([lang="zh"]) .hero-motto {
    font-size: 1rem;
}
html:not([lang="zh"]) .section-title {
    font-size: 1.7rem;
}
html:not([lang="zh"]) .nav-links a {
    font-size: 0.8rem;
}