/* 1. Reset y Configuración Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background: linear-gradient(to bottom, #f0f0f0 0%, #bdc3c7 20%, #2c3e50 60%, #1a1a2e 100%);
    color: #fff;
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* 2. Header */
.main-header {
    position: relative;
    padding: 20px 10px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    min-height: 150px;
}

.main-header::before {
    content: "";
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: url('recursos/fondo.jpeg');
    background-size: cover;
    background-position: center;
    opacity: 0.5;
    z-index: -1;
    filter: blur(2px);
    background-image: 
        radial-gradient(circle, rgba(255,255,255,0.2) 0%, rgba(0,0,0,0.5) 100%), 
        url('recursos/fondo.jpeg');
    opacity: 0.7
;
}

.rif {
    text-align: right;
    font-size: 0.85rem;
    color: #1a1a2e;
    font-weight: bold;
    margin-bottom: 10px;
    width: 100%;
}

/* 2. Actualización del Logo en el Header */
.main-logo {
    max-width: 90%;
    height: auto;
    max-height: 180px;
    
    /* FILTRO DE CONTRASTE DUAL: */
    /* 1. Un resplandor blanco sutil (0px 0px 10px) que separa el gris del logo del fondo. */
    /* 2. Una sombra negra suave (2px 4px 8px) que da profundidad y resalta el azul. */
    filter: drop-shadow(0px 0px 10px rgba(255, 255, 255, 0.6)) 
            drop-shadow(2px 4px 8px rgba(0, 0, 0, 0.5));
    
    /* Animación de entrada suave */
    transition: transform 0.3s ease, filter 0.3s ease;
}

.main-logo:hover {
    /* Efecto interactivo al pasar el mouse */
    transform: scale(1.03);
    filter: drop-shadow(0px 0px 15px rgba(255, 255, 255, 0.8)) 
            drop-shadow(4px 6px 12px rgba(0, 0, 0, 0.6));
}


/* 3. Navegación */
.main-nav ul {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    background: #2a2a72;
    border-top: 2px solid #1a1a2e;
    padding: 5px; /* Espacio para que el redondeado luzca mejor */
}

.main-nav li {
    flex: 1;
    min-width: 120px;
}

.main-nav a {
    display: block;
    padding: 15px;
    text-align: center;
    color: #ffffff;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.4s ease;
}

/* Estilo Elegante: Azul Metálico, Redondeado y Sombra */
.main-nav a:hover, .main-nav a.active {
    background: #4a69bd; 
    color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    transform: translateY(-2px);
}

/* 4. Servicios */
.services-section {
    padding: 50px 5%;
}

.services-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 40px;
}

.service-card {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    text-align: center;
}

.circle {
    width: 180px;
    height: 180px;
    background: #ffffff;
    border: 6px solid #2a2a72;
    border-radius: 50%;
    margin: 0 auto 20px;
}

.btn-more {
    display: inline-block;
    margin-top: 15px;
    padding: 10px 30px;
    background: #1e3799;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    transition: background 0.3s;
}

.btn-more:hover {
    background: #4a69bd;
}

/* 5. SECCIÓN DE INFORMACIÓN */
.info-section {
    display: flex;
    padding: 30px 5%;
    gap: 50px;
    flex-wrap: wrap; 
    background: rgba(0, 0, 0, 0.2);
}

.column-about, .column-people {
    flex: 1;
    min-width: 320px;
}

.column-about h3, .column-people h3 {
    font-size: 1.6rem;
    margin-bottom: 25px;
    border-left: 5px solid #4a69bd; /* Azul elegante en bordes */
    padding-left: 15px;
}

.rect-large {
    width: 100%;
    height: auto;
    border-radius: 8px;
    object-fit: cover;
    margin-bottom: 20px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

/* Misión y Visión */
.sub-info {
    display: flex;
    gap: 25px;
    margin-bottom: 40px;
    align-items: flex-start;
}

.rect-small {
    width: 400px; 
    max-width: 40%;
    height: auto;
    aspect-ratio: 16 / 9;
    border-radius: 8px;
    object-fit: cover;
    flex-shrink: 0;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.text-info {
    flex: 1;
    min-width: 0;
}

.text-info h4 {
    color: #4a69bd; /* Azul elegante en subtítulos */
    margin-bottom: 8px;
}

/* 6. Footer (Gris) */
.main-footer {
    background-color: #333333;
    color: #ffffff;
    padding: 10px 20px;
    text-align: center;
    border-top: 3px solid #4a69bd;
    margin-top: 10px;
}

.footer-content p {
    margin: 5px 0;
    font-size: 0.95rem;
}

/* 7. RESPONSIVIDAD */

/* NUEVO: Punto de quiebre para media pantalla (Escritorio Estrecho) */
@media (max-width: 1300px) and (min-width: 1101px) {
    .sub-info {
        flex-direction: column;
        align-items: flex-start;
    }

    .rect-small {
        width: 100%;
        max-width: 100%;
        margin-bottom: 15px;
    }
}

/* Punto de quiebre original (Tablet) */
@media (max-width: 1100px) {
    .info-section {
        flex-direction: column;
    }

    .sub-info {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .rect-small {
        width: 100%;
        max-width: 500px;
        margin-bottom: 15px;
    }

    .column-about, .column-people {
        width: 100%;
    }
}

/* Ajustes para móviles */
@media (max-width: 768px) {
    .main-nav ul {
        flex-direction: column;
    }
    
    .rif {
        text-align: center;
    }
}