:root {
    --primary-color: #002147;
    --secondary-color: #f8f9fa;
    --accent-color: #0d6efd;
    --text-color: #333;
    --light-text: #f8f9fa;
    --dark-bg: #212529;
    --card-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: #f5f5f5;
}

header {
    background-color: var(--primary-color) !important;
    padding: 3rem 0 !important;
    background: linear-gradient(135deg, #002147 0%, #004a8f 100%);
    color: var(--light-text) !important;
    margin-bottom: 2rem;
}

header h1 {
    font-weight: 700;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
}

header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

.card {
    border: none;
    border-radius: 10px;
    transition: all 0.3s ease;
    background-color: white;
}

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

.card-body {
    padding: 1.5rem;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-title i {
    font-size: 1.5rem;
    color: var(--accent-color);
}

.card-text {
    color: #555;
    font-size: 0.95rem;
}

section {
    margin-bottom: 3rem;
}

section h2 {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 2rem;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
    padding-bottom: 0.5rem;
}

section h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background-color: var(--accent-color);
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }

    header p {
        font-size: 1rem;
    }

    section h2 {
        font-size: 1.5rem;
    }

    .card-title {
        font-size: 1.1rem;
    }
}

main {
    padding-top: 1rem;
    padding-bottom: 2rem;
}

hr {
    border-color: rgba(255, 255, 255, 0.1);
}

.card {
    position: relative;
    overflow: hidden;
}

.card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.1) 0%, rgba(0, 33, 71, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card:hover::after {
    opacity: 1;
}