*{margin:0;padding:0;box-sizing:border-box}:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.5;font-weight:400;--primary-color: #2563eb;--primary-dark: #1e40af;--secondary-color: #0f766e;--accent-color: #f59e0b;--success-color: #16a34a;--error-color: #dc2626;--text-primary: #1f2937;--text-secondary: #6b7280;--bg-light: #f9fafb;--bg-white: #ffffff;--border-color: #e5e7eb;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);color:var(--text-primary);background-color:var(--bg-white)}body{margin:0;min-height:100vh}h1,h2,h3,h4,h5,h6{line-height:1.2;font-weight:600}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}p{line-height:1.6}a{color:var(--primary-color);text-decoration:none;transition:color .2s ease}a:hover{color:var(--primary-dark)}button{font-family:inherit;cursor:pointer;border:none;background:none;transition:all .2s ease}input,textarea,select{font-family:inherit;font-size:1rem;padding:12px;border:1px solid var(--border-color);border-radius:8px;transition:border-color .2s ease,box-shadow .2s ease}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #2563eb1a}.container{max-width:1200px;margin:0 auto;padding:0 24px}.btn{padding:12px 24px;border-radius:8px;font-weight:500;font-size:1rem;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:all .2s ease}.btn-primary{background:var(--primary-color);color:#fff}.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-secondary{background:#fff;color:var(--primary-color);border:2px solid var(--primary-color)}.btn-secondary:hover{background:var(--primary-color);color:#fff}.btn-large{padding:16px 32px;font-size:1.125rem}.card{background:#fff;border-radius:12px;padding:24px;box-shadow:var(--shadow-sm);transition:box-shadow .2s ease,transform .2s ease}.card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}@media (max-width: 768px){h1{font-size:2rem}h2{font-size:1.5rem}.container{padding:0 16px}}