:root {
    --primary-color: #0099D9;
    /* GKNU Blue */
    --secondary-color: #003B76;
    /* GKNU Navy */
    --text-dark: #1a1a1a;
    --text-light: #666;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --nav-height: 80px;
    --transition: all 0.3s ease;
}

.margin-bottom-10 {
    margin-bottom: 10px;
}

.margin-bottom-20 {
    margin-bottom: 20px;
}

.margin-bottom-40 {
    margin-bottom: 40px;
}

.padding-30 {
    padding: 30px;
}

.border-radius-10 {
    border-radius: 10px;
}

.text-right {
    text-align: right;
}

.mt-20 {
    margin-top: 20px;
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4 {
    font-family: 'Playfair Display', serif;
    /* Or a bold sans-serif */
    font-weight: 700;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

.section-padding {
    padding: 80px 0;
}

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

/* Buttons */
.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
}

.btn-primary:hover {
    background-color: #a0001e;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    border: 2px solid var(--white);
    color: var(--white);
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
}

.btn-secondary:hover {
    background-color: var(--white);
    color: var(--primary-color);
}

.btn-primary.large,
.btn-secondary.large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

.full-width {
    width: 100%;
    text-align: center;
}

/* Navigation */
.navbar {
    height: var(--nav-height);
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
}

.logo span {
    color: var(--text-dark);
    font-weight: 400;
}

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

.nav-links li a {
    font-weight: 500;
    transition: var(--transition);
}

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

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    height: 100vh;
    background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('https://images.unsplash.com/photo-1523050854058-8df90110c9f1?ixlib=rb-4.0.3&auto=format&fit=crop&w=1500&q=80');
    /* Placceholder Unsplash image */
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    color: var(--white);
    margin-top: 0;
    /* Nav fixed */
    padding-top: var(--nav-height);
    position: relative;
}

.hero-content {
    text-align: center;
    z-index: 2;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero .highlight {
    color: var(--primary-color);
    background: #fff;
    padding: 0 10px;
}

.hero-btns {
    display: flex;
    gap: 20px;
    justify-content: center;
}

/* Stats Section */
.stats-section {
    background: var(--primary-color);
    color: var(--white);
    padding: 40px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    text-align: center;
}

.stat-card h3 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

/* Why KNU */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    position: relative;
    padding-bottom: 20px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: var(--primary-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.feature-card {
    text-align: center;
    padding: 30px;
    border-radius: 20px;
    background: var(--white);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

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

.feature-card .icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 15px;
}

/* Programs */
.program-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}

.tab-btn {
    background: none;
    border: none;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-light);
    padding: 10px 20px;
    cursor: pointer;
    border-bottom: 3px solid transparent;
}

.tab-btn.active {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.program-content {
    display: none;
    animation: fadeIn 0.5s;
}

.program-content.active {
    display: block;
}

.program-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.program-item {
    background: var(--white);
    padding: 30px;
    border-radius: 10px;
    border-left: 5px solid var(--primary-color);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

/* Gallery */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.gallery-item {
    height: 250px;
    border-radius: 10px;
    background-size: cover;
    background-position: center;
    transition: var(--transition);
}

.gallery-item:hover {
    transform: scale(1.02);
}

.bg-gray {
    background-color: #ddd;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #888;
}

/* Contact / CTA */
.cta-section {
    background-color: #fce4e8;
    /* Light red tint */
}

.cta-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.cta-form {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.cta-form input {
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

/* Footer */
footer {
    background: #222;
    color: var(--white);
    padding: 50px 0;
    text-align: center;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 20px;
}

.social-links {
    margin-top: 20px;
    display: flex;
    justify-content: center;
    gap: 20px;
}

.social-links a {
    color: #888;
    transition: var(--transition);
}

.social-links a:hover {
    color: var(--white);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        right: -100%;
        top: var(--nav-height);
        height: calc(100vh - var(--nav-height));
        width: 100%;
        background: var(--white);
        flex-direction: column;
        justify-content: center;
        transition: 0.5s;
    }

    .nav-links.active {
        right: 0;
    }

    .menu-toggle {
        display: flex;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .stats-grid,
    .cta-content {
        grid-template-columns: 1fr;
    }
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    opacity: 0;
    animation: fadeIn 0.8s forwards;
}

.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}