/* Variables */
:root {
    --primary-blue: #1e3799;
    --primary-yellow: #f6b93b;
    --light-blue: #4a69bd;
    --white: #ffffff;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --transition: all 0.3s ease-in-out;
}

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

body {
    font-family: 'Poppins', sans-serif;
    overflow-x: hidden;
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}

/* Navbar Styles */
.navbar {
    background-color: var(--primary-blue);
    padding: 1rem 0;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 0.5rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-link {
    position: relative;
    padding: 0.5rem 1rem !important;
    font-weight: 500;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--primary-yellow);
    transition: var(--transition);
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 80%;
}

/* Hero Section */
.hero-section {
    position: relative;
    height: 80vh;
    width: 100%;
}

.carousel, .carousel-inner, .carousel-item {
    height: 100%;
}

.carousel-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.carousel-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
}

.hero-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    max-width: 800px;
    text-align: center;
    color: var(--white);
    z-index: 2;
    padding: 0 20px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-tagline {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    font-weight: 300;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
}

/* Feature Cards */
.feature-card {
    background: var(--white);
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    overflow: hidden;
    position: relative;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--primary-yellow);
    transform: scaleX(0);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    color: var(--primary-blue);
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
    color: var(--primary-yellow);
}

/* Buttons */
.yellow-btn {
    background-color: var(--primary-yellow);
    color: var(--primary-blue);
    font-weight: 600;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.yellow-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background-color: var(--primary-blue);
    transition: var(--transition);
    z-index: -1;
}

.yellow-btn:hover {
    color: var(--white);
}

.yellow-btn:hover::before {
    width: 100%;
}

/* Call to Action Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary-blue), var(--light-blue));
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    background: var(--primary-yellow);
    border-radius: 50%;
    opacity: 0.1;
    top: -100px;
    right: -100px;
}

/* Footer */
.footer {
    background-color: #1a1a1a;
    position: relative;
    overflow: hidden;
}

.footer-link {
    transition: var(--transition);
    display: inline-block;
    padding: 0.3rem 0;
}

.footer-link:hover {
    color: var(--primary-yellow) !important;
    transform: translateX(5px);
}

/* Animations */
@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
    100% {
        transform: translateY(0);
    }
}

/* Scroll Reveal Classes */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar-collapse {
        background-color: var(--primary-blue);
        padding: 1rem;
        border-radius: 10px;
        margin-top: 1rem;
    }

    .hero-section {
        height: 60vh;
    }

    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-tagline {
        font-size: 1.1rem;
    }
}