body {
    background-image: url('../imagenes/interior.jpeg');
    background-size: 100% 100%;
    background-position: center; 
    background-repeat: no-repeat; 
    background-attachment: fixed; 
    font-family: Arial, sans-serif;
    margin: 0; 
}

main {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    min-height: 80vh; /* Asegura que ocupe buen alto */
}

.hidden {
    display: none !important; /* Important para asegurar que oculte */
}


.hero {
    position: relative;
    background-image: url('../imagenes/fondonavbar.png');
    background-size: cover;
    background-position: center;
    height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    font-family: 'Segoe UI', sans-serif;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    backdrop-filter: blur(4px);
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

/* --- FORMULARIOS Y CONTENEDORES --- */
.form-container {
    width: 100%;
    max-width: 900px;
    background-color: #4a4a4a; 
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

.main-content {
    padding: 30px 40px;
}

.instructions {
    font-size: 1.1rem; /* Un poco más grande para leer mejor */
    color: #dcdcdc;
    line-height: 1.5;
    border-bottom: 1px solid #666;
    padding-bottom: 20px;
    margin-bottom: 25px;
    text-align: center; /* Centrar instrucciones */
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr; 
    gap: 30px;
    margin-bottom: 30px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    font-weight: bold;
    color: #f0f0f0;
}

.form-group input[type="date"],
.form-group select {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 5px;
    background-color: #dcdcdc; 
    color: #333; 
    font-size: 1rem;
    font-family: Arial, sans-serif;
    box-sizing: border-box;
}

.form-group select {
    -webkit-appearance: none; 
    -moz-appearance: none;
    appearance: none;
    background-image: url('data:image/svg+xml;charset=US-ASCII,%3Csvg%20width%3D%2220%22%20height%3D%2220%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Cpath%20d%3D%22M5%208l5%205%205-5z%22%20fill%3D%22%23333%22%2F%3E%3C%2Fsvg%3E');
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 16px;
}

/* --- BOTONES GENERALES --- */
.button-group {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
    width: 100%;
}

.submit-btn {
    background-color: #222222; 
    color: #ffffff;
    border: none;
    padding: 12px 25px;
    font-size: 1rem;
    font-weight: bold;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.submit-btn:hover {
    background-color: #fbbf24; /* Amarillo hover */
    color: #222;
}

.submit-btn-secondary {
    background-color: #777;
    color: #ffffff;
    border: none;
    padding: 12px 25px;
    font-size: 1rem;
    font-weight: bold;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.submit-btn-secondary:hover {
    background-color: #999;
}

/* =========================================
   NUEVOS ESTILOS (PAQUETES Y SELECCIÓN)
   ========================================= */

/* 1. Botones Grandes de Inicio (Paquetes vs Reservas) */
.big-buttons-container {
    display: flex;
    gap: 30px;
    justify-content: center;
    margin-top: 20px;
}

.big-choice-btn {
    padding: 30px 20px;
    font-size: 1.3rem;
    font-weight: bold;
    background-color: #222;
    color: white;
    border: 2px solid #444;
    cursor: pointer;
    border-radius: 10px;
    transition: all 0.3s ease;
    width: 45%; /* Ocupan casi la mitad cada uno */
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
}

.big-choice-btn:hover {
    background-color: #fbbf24; /* Amarillo de tu marca */
    color: #111;
    border-color: #fbbf24;
    transform: translateY(-3px);
}

/* 2. Grid de Botones de Paquetes */
.packages-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

.pkg-btn {
    padding: 20px;
    background-color: #dcdcdc; /* Mismo gris claro de los inputs */
    color: #333;
    border: none;
    cursor: pointer;
    font-weight: bold;
    font-size: 1.1rem;
    border-radius: 8px;
    transition: all 0.2s;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.pkg-btn:hover {
    background-color: #fbbf24;
    color: #111;
    transform: scale(1.02);
}

/* 3. Selección de Áreas (Imágenes) */
.areas-container {
    display: flex;
    justify-content: space-between;
    gap: 15px;
    margin-bottom: 20px;
}

.area-option {
    background-color: #333;
    border: 3px solid transparent; /* Borde invisible por defecto */
    padding: 10px;
    cursor: pointer;
    text-align: center;
    border-radius: 10px;
    transition: all 0.3s ease;
    width: 32%; /* Tres columnas */
    color: #fff;
}

.area-option img {
    width: 100%;
    height: 120px; /* Altura fija para que se vean uniformes */
    object-fit: cover; /* Recorta la imagen para llenar el cuadro */
    border-radius: 5px;
    margin-bottom: 10px;
    filter: brightness(0.8); /* Un poco oscuras por defecto */
    transition: filter 0.3s;
}

.area-option p {
    margin: 0;
    font-weight: bold;
}

/* Estado Hover del Área */
.area-option:hover img {
    filter: brightness(1);
}

/* Estado SELECCIONADO del Área */
.area-option.selected {
    border-color: #fbbf24; /* Borde amarillo */
    background-color: rgba(251, 191, 36, 0.1); /* Fondo amarillo muy suave */
    transform: scale(1.03);
}

.area-option.selected img {
    filter: brightness(1);
}


/* --- RESPONSIVE (MÓVIL) --- */

/* Estilos del botón hamburguesa */
.hamburger-menu {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    gap: 5px;
}

.hamburger-menu span {
    width: 25px;
    height: 3px;
    background-color: #fff;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.hamburger-menu.active span:nth-child(1) {
    transform: rotate(45deg) translate(10px, 10px);
}

.hamburger-menu.active span:nth-child(2) {
    opacity: 0;
}

.hamburger-menu.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

@media (max-width: 768px) {
    .hamburger-menu {
        display: flex;
    }

    .navbar-right {
        display: none;
    }

    .navbar-center {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background-color: #1a2635;
        flex-direction: column;
        width: 100%;
        padding: 20px 0;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
    }

    .navbar-center.active {
        display: flex;
    }

    .navbar-center a {
        padding: 12px 20px;
        margin: 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        display: block;
    }

    .navbar-center a:hover {
        background-color: rgba(251, 191, 36, 0.1);
    }
    .form-row {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .main-content {
        padding: 20px;
    }

    /* Ajustes móviles para los nuevos elementos */
    .big-buttons-container {
        flex-direction: column; /* Botones uno debajo del otro */
    }
    
    .big-choice-btn {
        width: 100%;
    }

    .packages-grid {
        grid-template-columns: 1fr; /* Una columna de paquetes */
    }

    .areas-container {
        flex-direction: column; /* Imágenes una debajo de otra */
    }

    .area-option {
        width: 100%; /* Ancho completo */
        margin-bottom: 10px;
        box-sizing: border-box;
    }
    
    .area-option img {
        height: 150px; /* Un poco más altas en móvil */
    }
}

.alert-box {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 5px;
    font-size: 0.95rem;
    line-height: 1.4;
    text-align: left;
}

.alert-box.info {
    background-color: rgba(59, 130, 246, 0.2); /* Azul transparente */
    border-left: 5px solid #3b82f6;
    color: #dbeafe;
}

.alert-box.warning {
    background-color: rgba(251, 191, 36, 0.15); /* Amarillo transparente */
    border-left: 5px solid #fbbf24;
    color: #fef3c7;
}

.warning-list {
    margin: 5px 0 0 20px;
    padding: 0;
    font-size: 0.9rem;
}
.warning-list li {
    margin-bottom: 3px;
}

/* Tarjetas de Paquetes (Card Design) */
.package-card {
    background-color: #dcdcdc;
    border-radius: 8px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
    transition: transform 0.3s;
    border: 2px solid transparent;
}

.package-card:hover {
    transform: translateY(-5px);
    border-color: #fbbf24;
}

.pkg-header {
    border-bottom: 2px solid #999;
    padding-bottom: 10px;
    margin-bottom: 15px;
    text-align: center;
}

.pkg-header h3 {
    margin: 0;
    color: #222;
    font-size: 1.2rem;
}

.pkg-header .price {
    display: block;
    margin-top: 5px;
    font-size: 1.3rem;
    font-weight: bold;
    color: #b91c1c; /* Rojo oscuro para precio */
}

.pkg-details {
    list-style-type: disc;
    padding-left: 20px;
    margin-bottom: 20px;
    color: #333;
    flex-grow: 1; /* Empuja el botón hacia abajo */
}

.pkg-details li {
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.pkg-select-btn {
    width: 100%;
    padding: 12px;
    background-color: #222;
    color: #fbbf24;
    border: none;
    font-weight: bold;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s;
}

.pkg-select-btn:hover {
    background-color: #fbbf24;
    color: #222;
}

/* Ajuste Responsive para las cards */
@media (max-width: 768px) {
    .packages-grid {
        grid-template-columns: 1fr; /* Una sola columna en móvil */
    }
}