body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: #333;
    background-color: #f8f7f5;
    line-height: 1.6;
}

html {
    scroll-behavior: smooth;
}

a {
    color: #0066cc;
    transition: color 0.3s ease;
}

a:hover {
    color: #0052a3;
    text-decoration: none;
}

.navbar {
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-size: 1.5rem;
    color: #333 !important;
    letter-spacing: 1px;
}

.nav-link {
    color: #666 !important;
    font-weight: 500;
    margin-left: 1rem;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #0066cc !important;
}

.hero-section {
    position: relative;
    background-attachment: fixed;
    background-repeat: no-repeat;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.3);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    color: white;
}

.hero-content h1 {
    color: white;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.hero-content p {
    color: rgba(255,255,255,0.9);
}

section {
    position: relative;
}

h1, h2, h3, h4, h5, h6 {
    color: #333;
    font-weight: 600;
}

.display-3, .display-4 {
    font-weight: 700;
}

.card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background-color: white;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1) !important;
}

.text-primary {
    color: #0066cc !important;
}

.text-success {
    color: #6b8e23 !important;
}

.text-info {
    color: #00bfff !important;
}

.bg-dark {
    background-color: #2a2a2a !important;
}

.btn-dark {
    background-color: #2a2a2a;
    border-color: #2a2a2a;
    color: white;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-dark:hover {
    background-color: #1a1a1a;
    border-color: #1a1a1a;
    color: white;
}

.btn-light {
    background-color: #f8f7f5;
    border-color: #f8f7f5;
    color: #2a2a2a;
    font-weight: 600;
}

.btn-light:hover {
    background-color: white;
    border-color: white;
    color: #2a2a2a;
}

.form-control {
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 0.75rem;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    border-color: #0066cc;
    box-shadow: 0 0 0 0.2rem rgba(0,102,204,0.25);
}

.form-group label {
    color: #333;
    margin-bottom: 0.5rem;
}

footer {
    background-color: #f8f7f5;
    color: #666;
}

footer h5, footer h6 {
    color: #333;
}

footer a {
    color: #666;
    text-decoration: none;
}

footer a:hover {
    color: #0066cc;
}

.border {
    border-color: #ddd !important;
}

.border-top {
    border-top-color: #ddd !important;
}

.border-bottom {
    border-bottom-color: #ddd !important;
}

.bg-light {
    background-color: #f8f7f5 !important;
}

.text-muted {
    color: #999 !important;
}

.text-dark {
    color: #333 !important;
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

.img-fluid {
    max-width: 100%;
    height: auto;
}

@media (max-width: 768px) {
    .hero-section {
        min-height: 400px;
    }

    .display-3 {
        font-size: 2rem;
    }

    .display-4 {
        font-size: 1.75rem;
    }

    .navbar-brand {
        font-size: 1.25rem;
    }

    .nav-link {
        margin-left: 0;
        margin-top: 0.5rem;
    }

    section {
        padding: 3rem 0 !important;
    }
}

@media (max-width: 576px) {
    body {
        font-size: 0.95rem;
    }

    .container-fluid {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    h3 {
        font-size: 1.25rem;
    }

    .display-3 {
        font-size: 1.75rem;
    }

    .display-4 {
        font-size: 1.5rem;
    }
}

.custom-control-label {
    color: #666;
}

.custom-checkbox .custom-control-input:checked ~ .custom-control-label::before {
    background-color: #0066cc;
    border-color: #0066cc;
}

.alert {
    border-radius: 8px;
    border: none;
}

.alert-info {
    background-color: #e7f3ff;
    color: #004085;
}

ul {
    color: #666;
}

small {
    color: #999;
}

p {
    color: #666;
}

.order-md-1 {
    order: 1;
}

.order-md-2 {
    order: 2;
}