/* Global Styles */
@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;600&family=Poppins:wght@400;600;700&display=swap');

:root {
    --primary-color: #003366; /* Deep Academic Blue */
    --secondary-color: #DAA520; /* Goldenrod/Gold */
    --accent-color: #00509E; /* Lighter Blue */
    --text-color: #333;
    --light-text: #666;
    --light-bg: #f8f9fa;
    --white: #fff;
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    --section-padding: 80px 50px;
    --border-radius: 8px;
    --box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    line-height: 1.8;
    color: var(--text-color);
    background-color: var(--light-bg);
    font-size: 16px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

p {
    margin-bottom: 1.5rem;
    color: var(--light-text);
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: var(--border-radius);
}

/* Header */
header {
    background-color: var(--white);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links li a {
    color: var(--text-color);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 5px 0;
    position: relative;
}

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

.nav-links li a:hover,
.nav-links li a.active {
    color: var(--primary-color);
}

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

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    position: relative;
    width: 100%;
    height: auto; /* Let video define height */
    overflow: hidden;
    text-align: center;
    color: var(--white);
    background-color: #ffffff;
    display: block;
}

.hero video {
    position: relative;
    width: 100%;
    height: auto;
    display: block;
    z-index: 0;
    opacity: 0.6;
}

.hero-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    max-width: 900px;
    padding: 20px;
    z-index: 2;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--white);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero-content p {
    font-size: 1.4rem;
    margin-bottom: 2.5rem;
    color: rgba(255,255,255,0.9);
    font-weight: 300;
}

.btn {
    display: inline-block;
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 15px 35px;
    border-radius: 50px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(218, 165, 32, 0.4);
    transition: var(--transition);
}

.btn:hover {
    background-color: #bfa018;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(218, 165, 32, 0.6);
}

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

/* Sections */
.section {
    padding: var(--section-padding);
    background-color: var(--white);
}

.section:nth-child(even) {
    background-color: var(--light-bg);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 60px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background-color: var(--secondary-color);
    margin: 20px auto 0;
    border-radius: 2px;
}

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 60px;
    align-items: center;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

/* Cards */
.card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    height: 100%;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.12);
}

.card img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    transition: var(--transition);
}

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

.card-content {
    padding: 30px;
}

.card-content h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
}

/* Values Section */
.value-item {
    text-align: center;
    padding: 40px 30px;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.value-item:hover {
    transform: translateY(-5px);
}

.value-icon {
    font-size: 3.5rem;
    color: var(--secondary-color);
    margin-bottom: 25px;
}

.value-item h3 {
    margin-bottom: 15px;
}

/* Carousel Styles */
.carousel-wrapper {
    position: relative;
    width: 100%;
    overflow: hidden;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.carousel-track-container {
    overflow: hidden;
    width: 100%;
}

.carousel-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
    width: 100%;
}

.carousel-slide {
    min-width: 100%; /* Show 1 image by default, customizable via JS/CSS if needed */
    box-sizing: border-box;
    position: relative;
}

.carousel-slide img {
    width: 100%;
    height: 500px; /* Fixed height for consistency */
    object-fit: cover;
    display: block;
}

/* Carousel Navigation */
.carousel-button {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.7);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.5rem;
    color: var(--primary-color);
    cursor: pointer;
    z-index: 10;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-button:hover {
    background: var(--white);
    color: var(--secondary-color);
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.carousel-button--left {
    left: 20px;
}

.carousel-button--right {
    right: 20px;
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 80px 0 40px;
    margin-top: auto;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    gap: 40px;
}

.footer-section {
    flex: 1;
    min-width: 250px;
}

.footer-section h3 {
    color: var(--secondary-color);
    margin-bottom: 25px;
    font-size: 1.4rem;
}

.footer-section p {
    color: rgba(255,255,255,0.7);
}

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section ul li a {
    color: rgba(255,255,255,0.7);
}

.footer-section ul li a:hover {
    color: var(--secondary-color);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    margin-top: 60px;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.5);
    font-size: 0.9rem;
}

/* Slideup Reveal Animation */
.section {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.section.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Hero section should always be visible */
.hero {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 992px) {
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
    }

    .menu-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--white);
        padding: 20px 0;
        box-shadow: 0 5px 20px rgba(0,0,0,0.1);
        text-align: center;
        gap: 0;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        margin: 0;
    }

    .nav-links li a {
        display: block;
        padding: 15px 0;
        font-size: 1.1rem;
    }

    .nav-links li a::after {
        display: none;
    }

    .grid-2, .grid-3 {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-content h1 {
        font-size: 2.2rem;
    }
    
    .carousel-slide img {
        height: 300px;
    }
}