/* ================================================
   RESPONSIVE DESIGN - MOBILE FIRST
   ================================================ */

/* TABLET (768px - 1024px) */
@media (max-width: 1024px) {
    h1 { font-size: 36px; }
    h2 { font-size: 28px; }
    h3 { font-size: 20px; }

    .container {
        padding: 0 var(--spacing-md);
    }

    .hero {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .hero-image {
        order: -1;
    }

    .hero-image,
    .hero-image img {
        height: 350px;
    }

    .img-placeholder--hero {
        height: 350px;
    }

    .hero-content h1 {
        font-size: 36px;
    }

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

    .measuring-interactive {
        grid-template-columns: 1fr;
    }

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

    .history-content {
        grid-template-columns: 1fr;
    }

    .standards-content {
        grid-template-columns: 1fr;
    }

    .nav-menu {
        gap: var(--spacing-md);
    }

    .hero-ctas {
        flex-direction: column;
    }

    .final-cta-buttons {
        flex-direction: column;
    }

    section {
        padding: var(--spacing-xl) 0;
    }
}

/* MÓVIL (max 768px) */
@media (max-width: 768px) {
    :root {
        --spacing-lg: 24px;
        --spacing-xl: 32px;
        --spacing-xxl: 48px;
    }

    h1 { font-size: 28px; }
    h2 { font-size: 24px; }
    h3 { font-size: 18px; }
    h4 { font-size: 16px; }

    /* HEADER */
    .header {
        position: sticky;
        top: 0;
        z-index: 1000;
    }

    .container-navbar {
        height: 70px;
    }

    .logo span {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background-color: white;
        flex-direction: column;
        gap: 0;
        box-shadow: var(--shadow-md);
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-normal);
    }

    .nav-menu.active {
        max-height: 400px;
    }

    .nav-menu li {
        padding: var(--spacing-sm) var(--spacing-md);
        border-bottom: 1px solid var(--color-border);
    }

    .nav-menu a::after {
        display: none;
    }

    .nav-menu a {
        display: block;
        width: 100%;
    }

    .btn-cta {
        display: block !important;
        width: 100% !important;
        text-align: center;
    }

    /* HERO */
    .hero {
        padding: var(--spacing-lg) 0;
        margin: var(--spacing-lg) 0;
    }

    .hero-content h1 {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .hero-image,
    .hero-image img {
        height: 280px;
    }

    .img-placeholder--hero {
        height: 280px;
    }

    .hero-ctas {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .btn {
        padding: 12px 20px;
        font-size: 14px;
    }

    .btn-large {
        padding: 14px 28px;
        font-size: 16px;
    }

    /* SECCIONES */
    section {
        padding: var(--spacing-lg) 0;
    }

    section h2 {
        font-size: 24px;
        margin-bottom: var(--spacing-md);
    }

    /* GRIDS */
    .products-grid,
    .benefits-grid,
    .team-grid,
    .testimonials-grid,
    .stats-grid,
    .certs-grid,
    .impact-grid,
    .mvv-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

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

    /* PRODUCT CARDS */
    .product-card {
        margin: 0 auto;
    }

    .product-image {
        height: 200px;
    }

    .product-content {
        padding: var(--spacing-md);
    }

    /* MEDICIÓN */
    .measuring-interactive {
        grid-template-columns: 1fr;
        padding: var(--spacing-md);
        gap: var(--spacing-md);
    }

    .measuring-svg-wrap svg {
        max-width: 100%;
    }

    .measuring-tips {
        grid-template-columns: 1fr;
    }

    .dim-btn {
        padding: 14px 16px;
    }

    /* CONTACTO */
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .contact-form-section {
        padding: var(--spacing-md);
    }

    .form-group input,
    .form-group textarea,
    .form-group select {
        font-size: 16px; /* Previene zoom en iOS */
    }

    /* HISTORIA */
    .history-content {
        grid-template-columns: 1fr;
    }

    .history-text p {
        font-size: 14px;
    }

    /* PROCESOS */
    .process-steps {
        gap: 8px;
        padding: var(--spacing-md) 0;
    }

    .process-step {
        min-width: 150px;
        padding: var(--spacing-md);
    }

    .process-arrow {
        display: none;
    }

    /* FOOTER */
    .footer-section {
        text-align: center;
    }

    .social-links {
        justify-content: center;
    }

    /* WHATSAPP BUTTON */
    .whatsapp-float {
        bottom: calc(20px + env(safe-area-inset-bottom, 0px));
        right: calc(20px + env(safe-area-inset-right, 0px));
    }

    .whatsapp-float a {
        width: 50px;
        height: 50px;
    }

    /* CTA */
    .final-cta-buttons {
        flex-direction: column;
    }

    .final-cta-buttons .btn {
        width: 100%;
    }

    /* COMPARACIÓN */
    .comparison-item {
        padding: var(--spacing-md);
    }

    .features-comparison {
        grid-template-columns: 1fr;
    }

    .business-benefits-grid {
        grid-template-columns: 1fr;
    }

    /* MAPA */
    .map-container iframe {
        min-height: 300px;
    }

    /* PÁGINA CONTACTO */
    .contact-info-box {
        gap: var(--spacing-md);
    }

    .info-item {
        gap: var(--spacing-sm);
    }

    /* PÁGINA SOSTENIBILIDAD */
    .sustainability-commitment {
        padding: var(--spacing-lg) 0;
    }

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

    .commitment-card {
        text-align: center;
    }

    .commitment-icon {
        font-size: 40px;
    }

    /* PÁGINA SOBRE NOSOTROS */
    .team-member h3,
    .team-member p {
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }

    .team-member h3 {
        padding-top: var(--spacing-md);
    }

    .member-image {
        height: 200px;
    }

    /* FILTROS */
    .products-filters {
        gap: 8px;
    }

    .filter-btn {
        padding: 8px 16px;
        font-size: 13px;
    }

    /* BREADCRUMB */
    .breadcrumb {
        padding: var(--spacing-sm);
        font-size: 12px;
    }

    /* PAGE HERO */
    .page-hero {
        padding: var(--spacing-lg) 0;
    }

    .page-hero h1 {
        font-size: 24px;
    }

    .page-hero p {
        font-size: 16px;
    }

    /* FAQ */
    .faq-quick {
        padding: var(--spacing-lg) 0;
    }

    .faq-item {
        padding: var(--spacing-md);
    }

    .faq-item h3 {
        font-size: 16px;
    }

    /* STATS */
    .stat-card {
        padding: var(--spacing-md);
    }

    .stat-number {
        font-size: 32px;
    }
}

/* MÓVIL PEQUEÑO (max 480px) */
@media (max-width: 480px) {
    h1 { font-size: 24px; }
    h2 { font-size: 20px; }
    h3 { font-size: 16px; }

    :root {
        --spacing-md: 16px;
        --spacing-lg: 20px;
        --spacing-xl: 24px;
        --spacing-xxl: 32px;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    .container-navbar {
        padding: 0 var(--spacing-sm);
        height: 60px;
    }

    .logo {
        gap: 8px;
    }

    .logo svg,
    .logo-img {
        width: 46px;
        height: 46px;
    }

    .hero-content h1 {
        font-size: 24px;
        margin-bottom: var(--spacing-sm);
    }

    .hero-subtitle {
        font-size: 14px;
        margin-bottom: var(--spacing-md);
    }

    .hero-image,
    .hero-image img {
        height: 220px;
    }

    .img-placeholder--hero {
        height: 220px;
    }

    .btn {
        padding: 10px 16px;
        font-size: 13px;
    }

    .btn-large {
        padding: 12px 20px;
    }

    section {
        padding: var(--spacing-lg) 0;
    }

    section h2 {
        font-size: 20px;
        margin-bottom: var(--spacing-md);
    }

    .section-subtitle {
        font-size: 14px;
    }

    /* GRIDS MUY PEQUEÑOS */
    .products-grid,
    .benefits-grid,
    .team-grid,
    .testimonials-grid,
    .stats-grid,
    .certs-grid,
    .impact-grid {
        gap: var(--spacing-sm);
    }

    .product-image {
        height: 180px;
    }

    .product-content {
        padding: var(--spacing-sm);
    }

    .product-content h3 {
        font-size: 16px;
    }

    .product-features li {
        font-size: 12px;
    }

    /* HERO BUTTONS */
    .hero-ctas {
        gap: var(--spacing-sm);
    }

    /* MEASURING GUIDE */
    .tip-box {
        padding: var(--spacing-sm);
        gap: var(--spacing-sm);
    }

    .tip-icon {
        min-width: 24px;
        font-size: 20px;
    }

    /* CONTACT FORM */
    .form-group label {
        font-size: 14px;
    }

    .form-group input,
    .form-group textarea,
    .form-group select {
        padding: 10px 12px;
        font-size: 14px;
    }

    /* INFO ITEMS */
    .info-icon {
        font-size: 28px;
        min-width: 32px;
    }

    .info-content h3 {
        font-size: 16px;
    }

    .info-content p {
        font-size: 12px;
    }

    /* MAP */
    .map-container iframe {
        min-height: 250px;
    }

    /* FOOTER */
    .footer-section h4 {
        font-size: 16px;
        margin-bottom: var(--spacing-sm);
    }

    .footer-section p {
        font-size: 12px;
        line-height: 1.6;
    }

    .social-links {
        gap: var(--spacing-sm);
    }

    .social-links a {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }

    .footer-bottom {
        font-size: 11px;
    }

    /* WHATSAPP BUTTON */
    .whatsapp-float a {
        width: 45px;
        height: 45px;
    }

    .whatsapp-float a svg {
        width: 20px;
        height: 20px;
    }

    /* TESTIMONIALS */
    .testimonial-card {
        padding: var(--spacing-md);
    }

    .testimonial-card p {
        font-size: 13px;
    }

    .testimonial-author span {
        font-size: 11px;
    }

    /* STATISTICS */
    .stat-number {
        font-size: 28px;
    }

    .stat-label {
        font-size: 12px;
    }

    /* BADGES */
    .product-badge {
        font-size: 10px;
        padding: 4px 8px;
    }

    .commitment-icon,
    .benefit-icon,
    .mvv-icon {
        font-size: 36px;
    }

    /* FAQ */
    .faq-item h3 {
        font-size: 14px;
    }

    .faq-item p {
        font-size: 12px;
    }

    /* PAGE HERO */
    .page-hero {
        padding: var(--spacing-lg) 0;
    }

    .page-hero h1 {
        font-size: 20px;
    }

    .page-hero p {
        font-size: 14px;
    }

    /* FILTERS */
    .products-filters {
        gap: 6px;
    }

    .filter-btn {
        padding: 6px 12px;
        font-size: 12px;
    }

    /* BREADCRUMB */
    .breadcrumb {
        padding: 8px var(--spacing-sm);
        font-size: 11px;
    }

    /* SPECS */
    .spec-card h3 {
        font-size: 16px;
    }

    .spec-card ul li {
        font-size: 12px;
    }

    /* STEP PROCESS */
    .step-number {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }

    .process-step h3 {
        font-size: 14px;
    }

    .process-step p {
        font-size: 12px;
    }

    /* CERT BADGES */
    .cert-icon {
        font-size: 32px;
    }

    .cert-badge h4 {
        font-size: 14px;
    }

    .cert-badge p {
        font-size: 11px;
    }

    /* MISSION VISION */
    .mvv-card h3 {
        font-size: 16px;
    }

    .mvv-card ul li {
        font-size: 12px;
    }
}

/* ORIENTACIÓN LANDSCAPE EN MÓVIL */
@media (max-height: 500px) and (orientation: landscape) {
    section {
        padding: var(--spacing-md) 0;
    }

    .page-hero {
        padding: var(--spacing-md) 0;
    }

    .hero-image,
    .hero-image img {
        height: 300px;
    }

    .img-placeholder--hero {
        height: 300px;
    }

    .final-cta,
    .cta-section {
        padding: var(--spacing-lg) 0;
    }

    .hero-ctas,
    .final-cta-buttons {
        flex-direction: row;
    }
}

/* IMPRESIÓN */
@media print {
    .header,
    .footer,
    .whatsapp-float,
    .menu-toggle,
    .products-filters {
        display: none;
    }

    a {
        text-decoration: underline;
    }

    body {
        background-color: white;
    }
}