@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8FAFC;
    --nav-footer-bg: #0F172A;
    --text-primary: #1E293B;
    --text-secondary: #475569;
    --text-light: #FFFFFF;
    --btn-primary: #2563EB;
    --btn-hover: #3B82F6;
    --border-color: #E2E8F0;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-weight: 600;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--btn-primary);
    color: var(--text-light);
    border-radius: 0.375rem;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn:hover {
    background-color: var(--btn-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 6px -1px rgba(37, 99, 235, 0.4);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--btn-primary);
    color: var(--btn-primary);
}

.btn-outline:hover {
    background-color: var(--btn-primary);
    color: var(--text-light);
}

/* Header & Navigation */
header {
    background-color: var(--nav-footer-bg);
    color: var(--text-light);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-item {
    position: relative;
    padding: 1.8rem 0; /* Expanded padding to touch bottom for solid hover */
}

.nav-item a {
    color: var(--text-light);
    font-weight: 600;
    font-size: 1.05rem;
    padding: 0.5rem;
}

.nav-item a:hover {
    color: var(--btn-hover);
}

/* Dropdown */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--text-light);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    border-radius: 0.375rem;
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    z-index: 999;
}

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

.dropdown-menu li {
    padding: 0;
    border-bottom: 1px solid var(--border-color);
}
.dropdown-menu li:last-child {
    border-bottom: none;
}

.dropdown-menu a {
    color: var(--text-primary);
    display: block;
    padding: 0.85rem 1.25rem;
    transition: var(--transition);
    font-weight: 500;
}

.dropdown-menu a:hover {
    background-color: var(--bg-secondary);
    color: var(--btn-primary);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    position: relative;
    height: calc(100vh - 80px);
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--text-light);
    overflow: hidden;
}

.slider-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    background-size: cover;
    background-position: center;
}

.slide.active {
    opacity: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.7);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: 2rem;
    animation: fadeIn 1s ease forwards;
}

.hero-content h1 {
    color: var(--text-light);
    font-size: 3.5rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #cbd5e1;
}

/* Sections */
section {
    padding: 5rem 0;
}

.bg-secondary {
    background-color: var(--bg-secondary);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: var(--btn-primary);
    border-radius: 2px;
}

/* Card Grids */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.card {
    background: var(--bg-primary);
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
}

.card-img {
    height: 200px;
    width: 100%;
    object-fit: cover;
}

.card-content {
    padding: 1.5rem;
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

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

/* Announcements List */
.announcement-list {
    background: var(--bg-primary);
    border-radius: 0.5rem;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
}

.announcement-item {
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    gap: 1rem;
}

.announcement-item:last-child {
    border-bottom: none;
}

.date-badge {
    background-color: var(--bg-secondary);
    color: var(--btn-primary);
    padding: 0.5rem;
    border-radius: 0.25rem;
    text-align: center;
    font-weight: 600;
    min-width: 60px;
}

/* Footer */
footer {
    background-color: var(--nav-footer-bg);
    color: var(--text-light);
    padding: 4rem 0 1.5rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-col h3 {
    color: var(--text-light);
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

.footer-col p {
    color: #cbd5e1;
    margin-bottom: 1rem;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: #cbd5e1;
}

.footer-links a:hover {
    color: var(--btn-hover);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 1.5rem;
    color: #94a3b8;
}

/* Contact Form */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--btn-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Media Queries */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: var(--nav-footer-bg);
        flex-direction: column;
        padding: 1rem 0;
        box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
    }
    .nav-links.active {
        display: flex;
    }
    .nav-item {
        width: 100%;
        text-align: center;
        padding: 0;
    }
    .nav-item a {
        display: block;
        padding: 1rem;
    }
    .dropdown-menu {
        position: static;
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
        background-color: rgba(255,255,255,0.05);
        border: none;
    }
    .nav-item.active .dropdown-menu {
        display: block;
    }
    .dropdown-menu a {
        color: var(--text-light);
    }
    .mobile-menu-btn {
        display: block;
    }
    .hero-content h1 {
        font-size: 2.5rem;
    }
}

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