/* --- VARIABLES Y BASE --- */
:root {
    --azul: #002D5B;
    --naranja: #FF6600;
    --gris-fondo: #f4f4f4;
    --blanco: #ffffff;
    --texto: #333333;
}

* { 
    margin: 0; 
    padding: 0; 
    box-sizing: border-box; 
    font-family: 'Montserrat', sans-serif; 
}

body { 
    display: flex; 
    flex-direction: column; 
    min-height: 100vh; 
    color: var(--texto); 
    line-height: 1.6; 
    overflow-x: hidden; 
}

main { flex: 1; }

.content-limit { 
    max-width: 1080px; 
    margin: 0 auto; 
    width: 90%; 
}

.container { padding: 80px 0; }

/* --- NAVEGACIÓN (Optimizado para CLS) --- */
.navbar {
    display: flex; 
    justify-content: space-between; 
    align-items: center;
    padding: 15px 5%; 
    background: var(--blanco);
    position: sticky; 
    top: 0; 
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1); 
    height: 80px;
    contain: layout; /* Evita saltos de diseño al cargar */
}

.logo img { 
    height: 50px !important; 
    width: 262px !important; /* Dimensión fija para reporte Lighthouse */
    aspect-ratio: 262 / 50;
    display: block; 
}

.nav-links { 
    display: flex; 
    list-style: none; 
    gap: 25px; 
}

.nav-links a { 
    text-decoration: none; 
    color: var(--azul); 
    font-weight: 700; 
    font-size: 0.9rem; 
    transition: color 0.3s; 
}

.nav-links a:hover { color: var(--naranja); }

/* --- ENCABEZADOS DE SECCIÓN --- */
.section-header-centered {
    width: 100% !important;
    text-align: center !important;
    margin: 60px auto 40px !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important; 
    justify-content: center !important;
}

.section-header-centered .badge {
    display: inline-block !important;
    margin: 0 auto 15px !important;
    width: fit-content !important;
}

.section-header-centered p {
    width: 100% !important;
    text-align: center !important;
    color: #666;
    font-weight: 700;
    margin-bottom: 5px;
}

.section-header-centered h2 {
    width: 100% !important;
    text-align: center !important;
    font-size: 2.5rem;
    color: var(--azul);
    font-weight: 900;
    margin: 0 auto !important;
}

.section-header-centered h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--naranja);
    margin: 15px auto 0 !important;
}

/* --- HERO (Solución al error de 0.184 CLS) --- */
.hero {
    min-height: 80vh;
    background: linear-gradient(rgba(0,45,91,0.8), rgba(0,0,0,0.6)), url('portada.webp') center/cover no-repeat;
    display: flex; 
    align-items: center; 
    text-align: center; 
    color: var(--blanco);
    background-color: var(--azul); 
    contain: layout; /* Bloquea el movimiento del contenido interno */
}

.hero-content h1 { 
    font-size: 3.5rem; 
    font-weight: 900; 
    margin-bottom: 20px; 
    line-height: 1.1; 
}

.highlight { color: var(--naranja); }

.badge { 
    background: var(--naranja); 
    color: var(--blanco); 
    padding: 5px 15px; 
    border-radius: 20px; 
    font-size: 0.75rem; 
    font-weight: 700; 
    margin-bottom: 15px; 
    display: inline-block; 
}

/* --- BOTONES (Animaciones Compuestas) --- */
.btn { 
    padding: 15px 30px; 
    border-radius: 5px; 
    text-decoration: none; 
    font-weight: 700; 
    display: inline-block; 
    transition: transform 0.3s ease, box-shadow 0.3s ease; 
    border: none; 
    cursor: pointer; 
    will-change: transform;
}

.btn-naranja { background: var(--naranja); color: var(--blanco) !important; }
.btn-whatsapp { background: #25d366; color: var(--blanco) !important; margin-left: 10px; }

.btn:hover { 
    transform: translateY(-3px); 
    box-shadow: 0 5px 15px rgba(0,0,0,0.2); 
}

/* --- GRID DE TARJETAS (Optimizado para Hilo Principal) --- */
.block-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); 
    gap: 30px; 
    margin-top: 40px; 
}

.feature-card {
    background: var(--blanco); 
    padding: 40px 30px; 
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08); 
    text-align: center; 
    transition: transform 0.3s ease, border-color 0.3s ease;
    border-bottom: 4px solid transparent;
    will-change: transform;
}

.feature-card:hover {
    border-bottom: 4px solid var(--naranja);
    transform: translateY(-5px);
}

.feature-card i { 
    font-size: 2.5rem; 
    color: var(--naranja); 
    margin-bottom: 20px; 
}

.feature-card h3 {
    color: var(--azul);
    margin-bottom: 15px;
    font-weight: 700;
}

/* --- FOOTER --- */
.main-footer { 
    background: var(--azul); 
    color: var(--blanco); 
    padding: 40px 0; 
    text-align: center; 
}

.legal-links a { 
    color: var(--naranja); 
    text-decoration: none; 
    margin: 0 10px; 
    font-size: 0.85rem; 
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
    .navbar { height: 70px; }
    
    .nav-links {
        display: none; 
        flex-direction: column; 
        position: absolute;
        top: 70px; 
        left: 0; 
        width: 100%; 
        background: var(--blanco);
        padding: 40px 0; 
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    }
    
    .nav-links.active { display: flex; }
    
    .hero h1 { font-size: 2.2rem; }
    
    .section-header-centered h2 { font-size: 1.8rem; }
}