:root {
    --primary: #002b5c;
    --primary-light: rgba(0, 43, 92, 0.1);
    --secondary: #ffcc29;
    --dark: #212529;
    --light: #f8f9fa;
    --gray: #6c757d;
    --gray-light: #e9ecef;
}

/* Base styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--dark);
    padding-top: 72px;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
}

a {
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn {
    padding: 0.5rem 1.5rem;
    font-weight: 500;
    border-radius: 0.375rem;
    transition: all 0.3s ease;
}

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

.btn-primary:hover {
    background-color: #001f42;
    border-color: #001f42;
}

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

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

/* Hero section */
.hero-section {
    position: relative;
    padding: 7rem 0;
    background: linear-gradient(135deg, var(--primary) 0%, #004a9b 100%);
    overflow: hidden;
}

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 150px;
    color: white;
}

.min-vh-60 {
    min-height: 60vh;
}

/* Card hover effect */
.card-hover {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1) !important;
}

/* Icon styles */
.icon-lg {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Border radius */
.rounded-4 {
    border-radius: 1rem !important;
}

/* Background colors */
.bg-primary-soft {
    background-color: var(--primary-light);
}

/* Accordion styles */
.accordion-button:not(.collapsed) {
    background-color: var(--primary);
    color: white;
}

.accordion-button:focus {
    box-shadow: none;
    border-color: rgba(0,0,0,.125);
}

/* Back to top button */
.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    body {
        padding-top: 56px;
    }
    
    .hero-section {
        padding: 5rem 0;
    }
    
    .display-4 {
        font-size: 2.5rem;
    }
}

/* Animation classes */
.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}