:root {
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --secondary: #475569;
    --accent: #f59e0b;
    --dark: #0f172a;
    --light: #f8fafc;
    --success: #10b981;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--dark);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background: #f1f5f9;
}

/* Common Layout Components */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 1.5rem;
}

.section-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    margin-bottom: 2rem;
    border: 1px solid #e2e8f0;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.btn {
    display: inline-block;
    padding: 0.6rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
    border: 1px solid transparent;
}

.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); }

.btn-outline { border-color: #cbd5e1; color: var(--secondary); }
.btn-outline:hover { background: #f1f5f9; }

/* Navigation Placeholder Heights */
nav { height: 70px; }