:root {
    --primary-color: #1e3a8a; /* Azul zafiro institucional */
    --secondary-color: #d97706; /* Dorado mate financiero */
    --text-dark: #1e293b; /* Texto pizarra oscuro */
    --bg-light: #f8fafc; /* Fondo limpio estructural */
    --white: #ffffff;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
}

body {
    color: var(--text-dark);
    background-color: var(--white);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Navegación */
header {
    background-color: var(--white);
    border-bottom: 1px solid #e2e8f0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 2rem;
}

.logo {
    font-weight: 700;
    font-size: 1.4rem;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo span {
    color: var(--secondary-color);
}

nav a {
    text-decoration: none;
    color: var(--text-dark);
    margin-left: 1.5rem;
    font-weight: 500;
    transition: color 0.2s;
}

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

/* Contenedor Principal */
.main-content {
    flex: 1;
}

.section {
    padding: 5rem 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: 2.5rem;
}

.section-title span {
    color: var(--secondary-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
    color: var(--white);
    padding: 6rem 2rem;
    text-align: center;
}

.hero-content {
    max-width: 850px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1.2rem;
    line-height: 1.15;
    font-weight: 800;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    font-weight: 300;
}

.btn {
    display: inline-block;
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 0.9rem 2.2rem;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(217, 119, 6, 0.2);
    transition: all 0.3s ease;
}

.btn:hover {
    background-color: #b45309;
    transform: translateY(-1px);
}

/* Grids e Información */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: 2rem;
}

.card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    border: 1px solid #f1f5f9;
    border-top: 4px solid var(--secondary-color);
}

.card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.35rem;
}

.bg-light-block {
    background-color: var(--bg-light);
    width: 100%;
}

/* Listas Educativas */
.info-list {
    list-style: none;
    margin-top: 1.5rem;
}

.info-list li {
    background: var(--white);
    padding: 1.25rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.02);
    border-left: 4px solid var(--primary-color);
}

/* Estructura del Formulario */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 4rem;
}

.contact-details h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.contact-meta {
    margin-top: 2rem;
    font-size: 1rem;
}

.contact-meta p {
    margin-bottom: 0.75rem;
}

form {
    background-color: var(--white);
    padding: 3rem;
    border-radius: 8px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
    border: 1px solid #f1f5f9;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 0.85rem;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    font-size: 1rem;
    color: var(--primary-color);
    transition: all 0.2s;
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.1);
}

.form-btn {
    width: 100%;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 1rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.2s;
}

.form-btn:hover {
    background-color: #1e3a8a;
}

/* Páginas de Texto Legal */
.legal-wrapper {
    max-width: 800px;
    margin: 0 auto;
    padding: 5rem 2rem;
}

.legal-wrapper h1 {
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.legal-wrapper h2 {
    color: var(--primary-color);
    margin: 2.5rem 0 1rem;
    font-size: 1.4rem;
}

.legal-wrapper p, .legal-wrapper ul {
    margin-bottom: 1.2rem;
    text-align: justify;
    color: #475569;
}

.legal-wrapper ul {
    padding-left: 2rem;
}

/* Pie de Página */
footer {
    background-color: #0f172a;
    color: #94a3b8;
    padding: 4rem 2rem;
    text-align: center;
    font-size: 0.9rem;
    margin-top: auto;
    border-top: 4px solid var(--secondary-color);
}

.footer-nav {
    margin-bottom: 2rem;
}

.footer-nav a {
    color: #cbd5e1;
    text-decoration: none;
    margin: 0 1rem;
    transition: color 0.2s;
}

.footer-nav a:hover {
    color: var(--white);
}

.footer-legals {
    border-top: 1px solid #334155;
    padding-top: 2rem;
    margin-top: 2rem;
}

.footer-legals a {
    color: #64748b;
    text-decoration: none;
    margin: 0 0.75rem;
    font-size: 0.8rem;
}

.footer-legals a:hover {
    color: #94a3b8;
}

@media (max-width: 768px) {
    .grid-2, .contact-container { grid-template-columns: 1fr; gap: 2.5rem; }
    .hero h1 { font-size: 2.2rem; }
    .nav-container { flex-direction: column; gap: 1.2rem; text-align: center; }
    nav a { margin: 0 0.75rem; }
}