/* Variables de Color (Regla 60-30-10) */
:root {
    --color-white: #FFFFFF;       /* 60% Fondo principal */
    --color-blue: #0B192C;        /* 30% Headers, Footers y texto oscuro */
    --color-gold: #D4AF37;        /* 10% Detalles, hover, botones activos */
    --color-text-muted: #333333;
    --transition-speed: 0.3s;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: system-ui, -apple-system, sans-serif;
    background-color: var(--color-white);
    color: var(--color-text-muted);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* =========================================
   HEADER PARALLAX
   ========================================= */
.main-header {
    position: relative;
    padding: 8rem 0; /* Mayor altura para lucir el parallax */
    text-align: center;
    
    /* Efecto Parallax */
    background-image: url('img/fondo-hero.jpg'); /* <-- Sube esta imagen a tu cPanel */
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

/* Capa azul para respetar la regla de color y mejorar la lectura del logo */
.overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: rgba(11, 25, 44, 0.85); /* Azul corporativo con 85% de opacidad */
    z-index: 1;
}

.relative-z {
    position: relative;
    z-index: 2; /* Para que el logo quede por encima del overlay */
}

/* Estilo para el Logo en PNG */
.logo-main-img {
    max-width: 300px;
    height: auto;
    object-fit: contain;
    transition: transform var(--transition-speed) ease;
}

.logo-main-img:hover {
    transform: scale(1.05); /* Pequeña interacción UX */
}

/* =========================================
   CONTENIDO PRINCIPAL
   ========================================= */
.main-content {
    flex: 1;
    padding: 4rem 20px;
}

.text-block {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 3rem auto;
    font-size: 1rem;
}

.text-block-big {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 3rem auto;
    font-size: 2rem;
    color: #D4AF37;
}
.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.portal-link {
    text-decoration: none;
    color: var(--color-blue);
    display: block;
}

/* =========================================
   CAJAS DE LOGOS Y ENLACES
   ========================================= */
.logo-box {
    border: 1px solid #E0E0E0;
    padding: 2rem;
    background: var(--color-white);
    transition: all var(--transition-speed) ease;
    /* Usamos Flexbox para centrar las imágenes perfectamente */
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px; /* Esto asegura que todas las cajas midan lo mismo, aunque un logo sea más bajito */
}

/* Control de tamaño para los PNG de los logos */
.partner-logo {
    max-width: 100%;
    height: auto;
    max-height: 120px; /* Evita que logos gigantes deformen la caja */
    object-fit: contain; /* Asegura que la imagen no se recorte ni se deforme */
    filter: grayscale(100%); /* Opcional: Logos en blanco y negro (más elegante) */
    opacity: 0.7;
    transition: all var(--transition-speed) ease;
}

/* Efectos al pasar el cursor (Hover/Focus) - 10% Dorado */
.portal-link:hover .logo-box,
.portal-link:focus .logo-box {
    border-color: var(--color-gold);
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.05);
}

/* Devolvemos el color original al logo al pasar el cursor */
.portal-link:hover .partner-logo,
.portal-link:focus .partner-logo {
    filter: grayscale(0%);
    opacity: 1;
}
.portal-link:hover .logo-box,
.portal-link:focus .logo-box {
    border-color: var(--color-gold);
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.05);
    color: var(--color-gold);
}

/* =========================================
   FOOTER Y REDES SOCIALES
   ========================================= */
.main-footer {
    background-color: var(--color-blue);
    padding: 2rem 0;
    color: var(--color-white);
}

.footer-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

/* Botón WhatsApp */
.whatsapp-btn {
    display: flex;
    align-items: center;
    background-color: var(--color-white);
    color: var(--color-blue);
    text-decoration: none;
    padding: 0.5rem 1.5rem 0.5rem 0.5rem;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: bold;
    transition: all var(--transition-speed) ease;
    border: 2px solid transparent;
}

.whatsapp-btn:hover,
.whatsapp-btn:focus {
    border-color: var(--color-gold);
    color: var(--color-gold);
}

.wa-icon {
    font-size: 1.8rem;
    margin-right: 10px;
    margin-left: 5px;
}

/* Sección Social */
.social-section {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    font-size: 1.2rem;
}

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-circle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background-color: var(--color-white);
    color: var(--color-blue);
    border-radius: 50%;
    text-decoration: none;
    font-size: 1.2rem;
    transition: transform var(--transition-speed) ease, background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

/* Interacción 10% Dorado */
.social-circle:hover,
.social-circle:focus {
    background-color: var(--color-gold);
    color: var(--color-white);
    transform: scale(1.1);
}

@media (max-width: 768px) {
    .footer-wrapper {
        flex-direction: column;
        justify-content: center;
        text-align: center;
    }
    .social-section {
        flex-direction: column;
        gap: 1rem;
    }
    .main-header {
        padding: 5rem 0; /* Un poco menos de altura en móviles */
    }
}

/* =========================================
   COPYRIGHT
   ========================================= */
.copyright-section {
    text-align: center;
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1); /* Línea divisoria muy sutil */
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7); /* Blanco un poco más opaco para jerarquía visual */
}