/* ==========================================================================
   RESPONSIVIDAD Y MEDIA QUERIES
   ========================================================================== */

/* Menu Móvil Activado */
@media (max-width: 992px) {
    .menu-toggle {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--color-white);
        box-shadow: var(--shadow-lg);
        transition: left var(--transition-normal);
        padding: 40px 24px;
        z-index: 105;
        border-top: 1px solid var(--color-border);
    }

    .main-nav.active {
        left: 0;
    }

    .main-nav ul {
        flex-direction: column;
        gap: 24px;
        align-items: flex-start;
    }

    .main-nav a {
        font-size: 1.3rem;
    }

    .nav-actions {
        display: none;
        /* Simplificado en mobile, se accede por menú */
    }

    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 32px;
    }

    .hero-content p {
        border-left: none;
        border-top: 3px solid var(--color-secondary);
        padding-left: 0;
        padding-top: 16px;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-image-container {
        height: 300px;
        max-width: 480px;
        margin: 0 auto;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }

    .lab-gallery-section {
        margin-top: -30px;
        margin-bottom: -20px;
        padding-bottom: 0;
    }

    .lab-gallery-grid {
        flex-direction: column;
        align-items: center;
        padding-left: 24px;
        padding-right: 24px;
        margin-left: 0;
        margin-right: 0;
        overflow-x: hidden;
        gap: 24px;
    }

    .gallery-card {
        width: 100%;
        max-width: 320px;
        transform: none !important;
        /* Quitar desalineación en tabletas */
    }

    .gallery-card:hover {
        transform: translateY(-5px) scale(1.02) !important;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .booking-card {
        grid-template-columns: 1fr;
    }

    .booking-image-panel {
        display: block;
        height: 250px;
        order: -1;
    }

    .booking-info-panel {
        padding: 32px;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    html {
        font-size: 15px;
    }

    .hero-content h1 {
        font-size: 2.2rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .gallery-card {
        min-width: 220px;
        max-width: 240px;
    }

    .booking-form {
        grid-template-columns: 1fr;
    }

    .form-group-full {
        grid-column: span 1;
    }

    .booking-form-panel {
        padding: 24px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
}
/* Paginación */
.pagination-container { display: flex; justify-content: center; align-items: center; margin-top: 48px; gap: 8px; }
.page-btn { min-width: 40px; height: 40px; padding: 0 12px; display: flex; justify-content: center; align-items: center; border-radius: 6px; border: 1px solid var(--color-border); background-color: var(--color-white); color: var(--color-text); font-weight: bold; cursor: pointer; transition: all 0.2s; }
.page-btn:hover { background-color: var(--color-bg-alt); color: var(--color-primary); border-color: var(--color-primary); }
.page-btn.active { background-color: var(--color-primary); color: var(--color-white); border-color: var(--color-primary); }
.page-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* Hero Mobile Responsive */
@media (max-width: 991px) {
    .hero {
        background: var(--color-white);
        min-height: auto;
        padding: 0;
    }
    .hero-grid {
        display: flex;
        flex-direction: column-reverse;
    }
    .hero-content {
        padding: 60px 5%;
    }
    .hero-image-wrapper {
        height: 350px;
        position: relative;
        border-radius: 0 0 30px 30px;
        overflow: hidden;
    }
}

/* ==========================================================================
   WHATSAPP FLOATING BUTTON (IMAGE)
   ========================================================================== */
.whatsapp-float {
    position: fixed;
    bottom: 40px;
    right: 40px;
    z-index: 1000;
    transition: transform var(--transition-fast);
}

.whatsapp-float img {
    width: 60px;
    height: 60px;
    object-fit: contain;
    filter: drop-shadow(2px 4px 10px rgba(0, 0, 0, 0.2));
}

.whatsapp-float:hover {
    transform: scale(1.1);
}

@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
    }
    
    .whatsapp-float img {
        width: 50px;
        height: 50px;
    }
}