:root {
    --primary-color: #334155; /* Gris Oxford Corporativo */
    --accent-color: #0f172a;  /* Azul Marino Muy Oscuro */
    --text-color: #1e293b;    /* Negro Carbón Neutro */
    --bg-light: #f1f5f9;      /* Gris Institucional Ultra Claro */
    --bg-white: #ffffff;
    --warning-border: #ea580c; /* Naranja Quemado */
    --warning-bg: #fff7ed;
    --font-stack: Georgia, Cambria, "Times New Roman", Times, serif; /* Tipografía Serif Clásica de Finanzas */
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--font-stack); color: var(--text-color); background-color: var(--bg-white); line-height: 1.6; font-size: 16px; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.main-header { background-color: var(--accent-color); padding: 22px 0; border-bottom: 3px solid var(--primary-color); position: sticky; top: 0; z-index: 1000; }
.header-flex { display: flex; justify-content: space-between; align-items: center; }
.logo { color: var(--bg-white); font-size: 20px; font-weight: 700; letter-spacing: 1px; }
.logo-bold { color: #94a3b8; }
.main-nav a { color: #cbd5e1; text-decoration: none; margin-left: 20px; font-size: 14px; font-weight: 600; }
.main-nav a:hover { color: var(--bg-white); text-decoration: underline; }
.hero-section { padding: 80px 0; background-color: var(--primary-color); color: var(--bg-white); }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.hero-content h1 { font-size: 38px; line-height: 1.3; margin-bottom: 20px; font-weight: bold; }
.hero-content p { font-size: 17px; color: #cbd5e1; margin-bottom: 25px; }
.hero-image img { width: 100%; border-radius: 4px; box-shadow: 5px 5px 0px var(--accent-color); height: 330px; object-fit: cover; }
.btn-primary { display: inline-block; background-color: var(--accent-color); color: var(--bg-white); padding: 12px 25px; text-decoration: none; font-weight: 700; border: 1px solid var(--bg-white); transition: all 0.2s; }
.btn-primary:hover { background-color: var(--bg-white); color: var(--accent-color); }
.gov-disclaimer { margin: 40px 0; background-color: var(--warning-bg); border-left: 4px solid var(--warning-border); padding: 20px; }
.gov-disclaimer p { font-size: 14px; color: #7c2d12; text-align: justify; }
.services-section { padding: 60px 0; background-color: var(--bg-light); }
.section-title { font-size: 30px; color: var(--accent-color); text-align: center; margin-bottom: 45px; font-weight: bold; position: relative; }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.service-card { background-color: var(--bg-white); border: 1px solid #cbd5e1; padding: 5px; }
.service-card img { width: 100%; height: 185px; object-fit: cover; }
.service-card h3 { color: var(--accent-color); padding: 15px 15px 5px 15px; font-size: 19px; font-weight: bold; }
.service-card p { padding: 0 15px 15px 15px; font-size: 15px; color: #475569; }
.density-section { padding: 80px 0; background-color: var(--bg-white); }
.section-subtitle { text-align: center; color: #475569; margin: -30px auto 50px auto; max-width: 800px; font-style: italic; }
.density-content { max-width: 900px; margin: 0 auto; }
.density-block { margin-bottom: 45px; }
.density-block h3 { font-size: 22px; color: var(--accent-color); margin-bottom: 15px; border-bottom: 2px solid #cbd5e1; padding-bottom: 6px; font-weight: bold; }
.density-block p { text-align: justify; margin-bottom: 15px; }
.requirements-list { margin: 20px 0; padding-left: 20px; }
.requirements-list li { margin-bottom: 10px; list-style-type: decimal; }
.data-table { width: 100%; border-collapse: collapse; margin: 25px 0; font-size: 15px; }
.data-table th, .data-table td { border: 1px solid #94a3b8; padding: 12px; }
.data-table th { background-color: #e2e8f0; color: var(--accent-color); }
.data-table tr:nth-child(even) { background-color: var(--bg-light); }
.contact-section { padding: 60px 0; background-color: var(--bg-light); }
.contact-box { max-width: 650px; background-color: var(--bg-white); padding: 40px; border: 1px solid #cbd5e1; margin: 0 auto; }
.contact-box h2 { color: var(--accent-color); margin-bottom: 12px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 6px; color: var(--accent-color); font-weight: bold; }
.form-group input, .form-group textarea { width: 100%; padding: 12px; border: 1px solid #94a3b8; font-family: var(--font-stack); font-size: 15px; }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--accent-color); }
.btn-submit { width: 100%; background-color: var(--accent-color); color: var(--bg-white); padding: 14px; border: none; font-weight: bold; cursor: pointer; font-size: 16px; }
.btn-submit:hover { background-color: var(--primary-color); }
.main-footer { background-color: #0f172a; color: #94a3b8; padding: 50px 0 20px 0; font-size: 14px; border-top: 3px solid var(--primary-color); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 40px; }
.footer-grid h4 { color: var(--bg-white); margin-bottom: 12px; }
.footer-links { list-style: none; }
.footer-links a { color: #94a3b8; text-decoration: none; }
.footer-links a:hover { color: var(--bg-white); text-decoration: underline; }
.footer-bottom { text-align: center; padding-top: 20px; margin-top: 30px; border-top: 1px solid #334155; font-size: 12px; }
@media (max-width: 768px) { .hero-grid { grid-template-columns: 1fr; } .hero-image { display: none; } .header-flex { flex-direction: column; gap: 15px; } }