:root {
    --primary-color: #000000;
    --secondary-color: #ffffff;
    --accent-color: #007bff;
    --text-muted: #6c757d;
    --bg-light: #f8f9fa;
    --border-color: #dee2e6;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--primary-color);
    line-height: 1.6;
}

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

.navbar {
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: 8px;
}

.btn-primary:hover {
    background-color: #333;
    border-color: #333;
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: 8px;
}

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

.hero-section {
    padding: 100px 0;
    background-color: var(--bg-light);
}

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

.card {
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
}

footer {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    padding: 60px 0 20px 0;
}

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

footer a:hover {
    color: var(--secondary-color);
}

.footer-bottom {
    border-top: 1px solid #333;
    margin-top: 40px;
    padding-top: 20px;
}

/* Generator Styles */
.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    cursor: pointer;
    background-color: var(--bg-light);
}

.upload-area:hover {
    border-color: var(--accent-color);
}

.parameter-card {
    padding: 20px;
    margin-bottom: 20px;
}

/* Pricing Cards */
.pricing-card {
    padding: 40px;
    text-align: center;
}

.pricing-price {
    font-size: 2.5rem;
    font-weight: 800;
    margin: 20px 0;
}

/* Custom Utilities */
.rounded-lg {
    border-radius: 12px !important;
}

.shadow-sm {
    box-shadow: 0 .125rem .25rem rgba(0,0,0,.075)!important;
}