/* Sillpa Web Comercial - estilos base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: system-ui, sans-serif; line-height: 1.6; color: #1a1a1a; }
nav { display: flex; gap: 1.5rem; padding: 1rem 2rem; border-bottom: 1px solid #e5e5e5; }
nav a { text-decoration: none; color: #1565c0; font-weight: 500; }
main { max-width: 1100px; margin: 0 auto; padding: 2rem; }
footer { text-align: center; padding: 2rem; color: #666; border-top: 1px solid #e5e5e5; margin-top: 4rem; }
.hero { padding: 4rem 0; }
.hero h1 { font-size: 2.5rem; margin-bottom: 1rem; }
.btn-primary { display: inline-block; padding: .75rem 1.5rem; background: #1565c0; color: #fff; border-radius: 6px; text-decoration: none; margin-right: .5rem; }
.btn-secondary { display: inline-block; padding: .75rem 1.5rem; border: 2px solid #1565c0; color: #1565c0; border-radius: 6px; text-decoration: none; }
.alert-success { background: #e8f5e9; border-left: 4px solid #2e7d32; padding: 1rem; border-radius: 4px; }