/* --- General Body and Typography --- */
body {
    font-family: 'Lato', sans-serif;
    color: #1f2937; /* text-gray-800 */
    margin: 0;
    scroll-behavior: smooth;
}

body { font-family: 'Lato', sans-serif; background-color: #ffffff; color: #1f2937; }
        h1, h2, h3, h4, h5, h6, .font-heading { font-family: 'Poppins', sans-serif; }
.container {
    max-width: 1280px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1.5rem; /* px-6 for header */
    padding-right: 1.5rem;
}

/* --- Header and Navigation --- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    transition: all 300ms ease-in-out;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #e5e7eb; /* border-gray-200 */
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05); /* shadow-sm */
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 0.75rem; /* py-3 */
    padding-bottom: 0.75rem;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 1rem; /* space-x-3 */
    text-decoration: none;
}

.logo-image {
    height: 2.5rem; /* h-10 */
    width: auto;
}

.logo-text {
    font-size: 1.25rem; /* text-xl */
    font-weight: 700; /* font-bold */
    letter-spacing: 0.05em; /* tracking-wider */
    color: #1f2937; /* text-gray-800 */
    font-family: 'Poppins', sans-serif;
    transition: color 0.3s;
}

.logo-text:hover {
    color: #dc2626; /* hover:text-red-600 */
}

.main-navigation {
    display: none; /* hidden */
    align-items: center;
    gap: 1.5rem; /* space-x-6 */
}
@media (min-width: 768px) {
    .main-navigation {
        display: flex; /* md:flex */
    }
}

.nav-link {
    color: #4b5563; /* text-gray-600 */
    text-decoration: none;
    transition: color 0.3s;
}
.nav-link:hover {
    color: #dc2626; /* hover:text-red-600 */
}

/* --- Dropdown Styles --- */
.dropdown-container {
    position: relative;
}
.dropdown-toggle {
    display: flex;
    align-items: center;
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-size: inherit;
}
.dropdown-arrow {
    width: 1rem; /* w-4 */
    height: 1rem; /* h-4 */
    margin-left: 0.25rem; /* ml-1 */
}

.dropdown-menu {
    display: none;
    position: absolute;
    left: 0;
    margin-top: 0.5rem; /* mt-2 */
    width: 12rem; /* w-48 */
    background-color: white;
    border-radius: 0.375rem; /* rounded-md */
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05); /* shadow-lg */
    border: 1px solid #e5e7eb; /* border-gray-200 */
    z-index: 10;
}
.dropdown-menu.is-active {
    display: block;
}

.dropdown-item {
    display: block;
    padding: 0.5rem 1rem; /* px-4 py-2 */
    font-size: 0.875rem; /* text-sm */
    color: #374151; /* text-gray-700 */
    text-decoration: none;
}
.dropdown-item:hover {
    background-color: #fef2f2; /* hover:bg-red-50 */
    color: #dc2626; /* hover:text-red-600 */
}

/* --- Mobile Menu Styles --- */
.mobile-menu-toggle {
    display: block;
    font-size: 1.5rem; /* text-2xl */
    color: #1f2937; /* text-gray-800 */
    background: none;
    border: none;
    cursor: pointer;
}
@media (min-width: 768px) {
    .mobile-menu-toggle {
        display: none; /* md:hidden */
    }
}

.mobile-menu {
    display: none;
    padding: 0 1.5rem 1rem; /* px-6 pb-4 */
    background-color: white;
    border-top: 1px solid #e5e7eb; /* border-t border-gray-200 */
}
.mobile-menu.is-active {
    display: block;
}

.mobile-nav-link {
    display: block;
    padding: 0.5rem 0; /* py-2 */
    color: #4b5563; /* text-gray-600 */
    text-decoration: none;
    transition: color 0.3s;
}
.mobile-nav-link:hover {
    color: #dc2626; /* hover:text-red-600 */
}
.mobile-dropdown-toggle {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mobile-dropdown-menu {
    display: none;
    padding-left: 1rem; /* pl-4 */
}
.mobile-dropdown-menu.is-active {
    display: block;
}
.mobile-dropdown-item {
    display: block;
    padding: 0.5rem 0; /* py-2 */
    font-size: 0.875rem; /* text-sm */
    color: #4b5563; /* text-gray-600 */
    text-decoration: none;
}
.mobile-dropdown-item:hover {
    color: #dc2626;
}


/* --- Hero Section --- */
.hero-section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 4rem 1rem 0; /* pt-16 px-4 */
    position: relative;
    overflow: hidden;
}

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

.hero-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.4);
    z-index: 10;
}

.hero-content {
    position: relative;
    z-index: 20;
    color: white;
}

.hero-title {
    font-size: 3rem; /* text-5xl */
    font-weight: 700; /* font-bold */
    letter-spacing: -0.025em; /* tracking-tight */
    margin-bottom: 1rem; /* mb-4 */
}
@media (min-width: 768px) { .hero-title { font-size: 4.5rem; /* md:text-7xl */ } }
@media (min-width: 1024px) { .hero-title { font-size: 6rem; /* lg:text-8xl */ } }

.hero-subtitle {
    font-size: 1.25rem; /* text-xl */
    max-width: 48rem; /* max-w-3xl */
}
@media (min-width: 768px) { .hero-subtitle { font-size: 1.5rem; /* md:text-2xl */ } }


/* --- Departments Section --- */
.departments-section {
    background-color: white;
    padding: 5rem 1rem; /* py-20 px-4 */
}

.section-title {
    font-size: 2.25rem; /* text-4xl */
    font-weight: 700; /* font-bold */
    text-align: center;
    margin-bottom: 3rem; /* mb-12 */
    color: #111827; /* text-gray-900 */
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr); /* grid-cols-1 */
    gap: 2rem; /* gap-8 */
}
@media (min-width: 768px) { .card-grid { grid-template-columns: repeat(2, 1fr); } } /* md:grid-cols-2 */
@media (min-width: 1024px) { .card-grid { grid-template-columns: repeat(4, 1fr); } } /* lg:grid-cols-4 */

.card {
    display: block;
    background-color: white;
    border: 1px solid #e5e7eb; /* border-gray-200 */
    border-radius: 0.5rem; /* rounded-lg */
    padding: 1.5rem; /* p-6 */
    text-align: center;
    text-decoration: none;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05); /* shadow-sm */
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}
.card:hover {
    transform: translateY(-0.5rem); /* hover:-translate-y-2 */
    box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04); /* hover:shadow-xl */
    border-color: #ef4444; /* hover:border-red-500 */
}

.card-icon {
    margin-bottom: 1rem; /* mb-4 */
    color: #ef4444; /* text-red-500 */
}
.card-icon svg {
    height: 4rem; /* h-16 */
    width: 4rem; /* w-16 */
    margin: 0 auto;
}

.card-title {
    font-size: 1.5rem; /* text-2xl */
    font-weight: 700; /* font-bold */
    margin: 0 0 0.5rem; /* mb-2 */
    color: #111827; /* text-gray-900 */
}

.card-description {
    color: #4b5563; /* text-gray-600 */
    margin: 0;
}