/* ============================================
   Variables CSS - Colores y Espaciados
   ============================================ */
:root {
    /* Colores corporativos sobrios */
    --color-primary: #1a1a2e;
    --color-secondary: #2d3561;
    --color-accent: #4a5568;
    --color-text: #2d3748;
    --color-text-light: #718096;
    --color-background: #ffffff;
    --color-background-light: #f7fafc;
    --color-border: #e2e8f0;
    --color-hover: #2c5282;
    
    /* Espaciados */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Tipografía */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 0.875rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    
    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    
    /* Breakpoints (para referencia en media queries) */
    --breakpoint-mobile: 767px;
    --breakpoint-tablet: 1023px;
}

/* ============================================
   Reset y Base
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--color-text);
    background-color: var(--color-background);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   Header
   ============================================ */
.header {
    background-color: #ffffff;
    color: var(--color-primary);
    padding: 0.25rem 0; /* header aún más delgado */
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: background-color var(--transition-normal), box-shadow var(--transition-normal), color var(--transition-normal);
}

.header-container {
    max-width: 1040px;
    margin: 0 auto;
    padding: 1 var(--spacing-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

/* Ajustes Header - Mobile */
@media (max-width: 767px) {
    html,
    body {
        overflow-x: hidden;
    }

    .header {
        padding: 0;
    }

    .header-container {
        padding: 0 var(--spacing-sm);
        flex-wrap: nowrap;
        gap: var(--spacing-xs);
    }

    .logo-img {
        width: 200px;
        height: auto;
        padding-top: 6px;
        padding-bottom: 6px;
    }

    .menu-toggle {
        padding: 0.25rem;
    }

    .hamburger-line {
        background-color: var(--color-primary);
    }

    .service-column {
        margin-bottom: 0;
    }

    .service-content {
        padding: 0;
    }

    .services-container {
        padding-left: 0;
        padding-right: 0;
    }

    .services-section {
        padding-left: 0;
        padding-right: 0;
    }

    .section-subtitle {
        text-align: left;
        white-space: normal;
        padding: 0 var(--spacing-sm);
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        color: var(--color-text);
        line-height: 1.8;
        font-size: var(--font-size-base);
    }
}
.header-contact {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.contact-link {
    color: var(--color-primary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: opacity var(--transition-fast);
}

.whatsapp-nav-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.whatsapp-icon {
    width: 16px;
    height: 16px;
    display: inline-block;
    flex-shrink: 0;
}

.contact-link:hover,
.contact-link:focus {
    opacity: 0.8;
    outline: 2px solid var(--color-background);
    outline-offset: 2px;
}

.contact-link:active {
    opacity: 0.6;
}

/* ============================================
   Navbar
   ============================================ */
.navbar {
    /* Navbar integrada dentro del header (misma línea) */
    background-color: transparent;
    padding: 0;
    position: static;
    top: auto;
    z-index: auto;
    box-shadow: none;
}

.nav-container {
    max-width: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-menu {
    display: none; /* Oculto en mobile, visible en desktop */
    list-style: none;
    gap: var(--spacing-lg);
    flex-direction: row;
}

.nav-link {
    color: var(--color-primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.25rem var(--spacing-sm); /* menos altura en la navbar */
    transition: color var(--transition-fast);
    display: block;
    position: relative;
}

/* Estado al hacer scroll: fondo blanco */
.header.scrolled {
    background-color: #ffffff;
    color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.header.scrolled .contact-link {
    color: var(--color-primary);
}

.header.scrolled .contact-link:hover,
.header.scrolled .contact-link:focus {
    outline: 2px solid var(--color-primary);
}

.header.scrolled .nav-link {
    color: var(--color-primary);
}

.header.scrolled .nav-link:hover,
.header.scrolled .nav-link:focus {
    color: var(--color-primary);
    background-color: rgba(26, 26, 46, 0.08);
    outline: 2px solid var(--color-primary);
}

.header.scrolled .hamburger-line {
    background-color: var(--color-primary);
}

.header.scrolled .menu-toggle:focus {
    outline: 2px solid var(--color-primary);
}

.nav-link:hover,
.nav-link:focus {
    color: var(--color-primary);
    background-color: transparent;
    outline: none;
}

.nav-link::after {
    content: '';
    position: absolute;
    left: var(--spacing-sm);
    bottom: -4px;
    width: 0;
    height: 1px;
    background-color: rgba(26, 26, 46, 0.4);
    transition: width var(--transition-fast);
}

.nav-link:hover::after,
.nav-link:focus::after {
    width: calc(100% - (var(--spacing-sm) * 2));
}

.nav-link:active {
    background-color: rgba(255, 255, 255, 0.2);
}

/* Menú Hamburguesa */
.menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    z-index: 101;
}

.hamburger-line {
    width: 25px;
    height: 3px;
    background-color: var(--color-background);
    transition: all var(--transition-normal);
    border-radius: 2px;
}

.menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
    opacity: 0;
}

.menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.menu-toggle:focus {
    outline: 2px solid var(--color-background);
    outline-offset: 2px;
}

/* ============================================
   Menú Deslizable Mobile
   ============================================ */
.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 98;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.mobile-menu-overlay.active {
    display: block;
    opacity: 1;
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    max-width: 85%;
    height: 100%;
    background-color: var(--color-primary);
    z-index: 99;
    transition: right var(--transition-normal);
    overflow-y: auto;
    box-shadow: -2px 0 8px rgba(0, 0, 0, 0.2);
}

.mobile-menu.active {
    right: 0;
}

.menu-close {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: none;
    border: none;
    color: var(--color-background);
    font-size: var(--font-size-3xl);
    cursor: pointer;
    padding: var(--spacing-xs);
    line-height: 1;
    transition: opacity var(--transition-fast);
}

.menu-close:hover,
.menu-close:focus {
    opacity: 0.7;
    outline: 2px solid var(--color-background);
    outline-offset: 2px;
}

.mobile-nav {
    padding: var(--spacing-xxl) var(--spacing-md) var(--spacing-md);
}

.mobile-nav-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.mobile-nav-link {
    color: var(--color-background);
    text-decoration: none;
    font-size: var(--font-size-lg);
    padding: var(--spacing-sm);
    display: block;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: background-color var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link:focus {
    background-color: rgba(255, 255, 255, 0.1);
    outline: 2px solid var(--color-background);
    outline-offset: -2px;
}

.mobile-nav-link:active {
    background-color: rgba(255, 255, 255, 0.2);
}

/* ============================================
   Main Content
   ============================================ */
.main-content {
    padding-top: 100px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 600;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding-top: var(--spacing-lg);
}

/* ============================================
   Hero Section
   ============================================ */
.hero-section {
    position: relative;
    color: var(--color-background);
    padding: var(--spacing-xxl) var(--spacing-sm);
    text-align: center;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background-color: var(--color-primary);
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.85) 0%, rgba(45, 53, 97, 0.75) 100%);
    z-index: 1;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 0%;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
    z-index: 0;
    will-change: opacity;
}

#inicio .hero-background {
    object-position: center;
}

.hero-background.active {
    opacity: 1;
}

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

.hero-container {
    max-width: 800px;
    margin: 0 auto;
}

.about-hero-section .hero-container {
    margin-left: auto;
    margin-right: 240px;
    max-width: 520px;
}

.about-hero-section .hero-subtitle {
    margin-bottom: var(--spacing-xxl);
}

.about-hero-section .cta-button {
    background-color: #1a4fa3;
    color: #ffffff;
    border-color: transparent;
}

.about-hero-section .cta-button:hover,
.about-hero-section .cta-button:focus {
    background-color: #163f82;
    color: #ffffff;
    border-color: transparent;
}

.hero-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
}

.cta-button {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-xl);
    background-color: var(--color-background);
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: var(--font-size-lg);
    border-radius: 4px;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

.cta-button:hover,
.cta-button:focus {
    background-color: transparent;
    color: var(--color-background);
    border-color: var(--color-background);
    outline: none;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.cta-button:active {
    transform: translateY(0);
}

/* ============================================
   Services Section - Estilo Divi
   ============================================ */
.services-section {
    padding: var(--spacing-xxl) 0 0;
    background-color: var(--color-background-light);
    position: relative;
    overflow: visible;
    width: 100%;
}

.services-section.et_pb_with_background {
    background-color: var(--color-background-light);
}

.services-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm) var(--spacing-xl);
}

.services-container .section-title {
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    text-align: center;
    margin: 0 auto var(--spacing-lg);
    max-width: 720px;
    color: var(--color-text-light);
    font-size: var(--font-size-lg);
    white-space: nowrap;
}

/* Fila de servicios - Grid de 5 columnas */
.services-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    margin: 0;
    width: 100%;
    max-width: 100%;
    overflow: visible;
}

.services-row.et_pb_equal_columns {
    align-items: stretch;
}

.services-row.et_pb_gutters1 {
    margin-left: 0;
    margin-right: 0;
}

/* Columnas de servicios - 25% cada una (1/4) */
.service-column {
    flex: 0 0 100%;
    width: 100%;
    padding: 0;
    position: relative;
    min-height: 400px;
    margin-bottom: var(--spacing-sm);
    overflow: visible;
    z-index: 0;
}

.service-column:last-child {
    margin-bottom: 0;
}

.service-column.et_pb_column_1_5 {
    flex: 0 0 100%;
    width: 100%;
}

.service-column.et_pb_clickable {
    cursor: pointer;
}

/* Módulo de servicio (tarjeta) */
.service-module {
    position: relative;
    height: 100%;
    min-height: 400px;
    overflow: hidden;
    border-radius: 0;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    background-color: var(--color-primary);
    transform-origin: center center;
}

.service-module.et_pb_clickable {
    cursor: pointer;
}

.service-module.et_pb_bg_layout_dark {
    color: var(--color-background);
}

/* Fondo de imagen con parallax effect */
.service-background {
    position: absolute;
    top: -10%;
    left: -10%;
    width: 120%;
    height: 120%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transition: transform 0.3s ease-out;
    will-change: transform;
    z-index: 1;
    transform-origin: center center;
}

.service-background::after {
    content: '';
    position: absolute;
    inset: 0;
    background-size: inherit;
    background-position: inherit;
    background-repeat: inherit;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

/* Overlay oscuro para legibilidad */
.service-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(26, 26, 46, 0.7) 0%, rgba(26, 26, 46, 0.85) 100%);
    transition: background var(--transition-normal);
    z-index: 2;
}

/* Contenido del servicio */
.service-content {
    position: relative;
    z-index: 3;
    padding: var(--spacing-lg);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    text-align: left;
}

.service-content.et_pb_text_inner {
    color: var(--color-background);
}

.service-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-background);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
    text-align: left;
}

.service-title strong {
    font-weight: 700;
}

.service-description {
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.8;
    font-size: var(--font-size-base);
}

.service-description p {
    margin-bottom: var(--spacing-xs);
    text-align: left;
}

.service-description p:last-child {
    margin-bottom: 0;
}

/* Link invisible que cubre toda la tarjeta */
.service-link {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 4;
    text-indent: -9999px;
    overflow: hidden;
}

@media (max-width: 767px) {
    .services-row {
        gap: 0;
    }

    .service-column {
        margin-bottom: 0;
    }

    .service-module {
        margin: 0;
    }

    .section-subtitle {
        text-align: left;
        white-space: normal;
        width: 100%;
        max-width: 100%;
        overflow-wrap: anywhere;
    }

    .about-hero-section .hero-container {
        margin: 0 auto;
        text-align: center;
    }

    .about-hero-section .hero-title,
    .about-hero-section .hero-subtitle {
        text-align: center;
    }

    .about-hero-section .hero-background {
        object-position: left center;
    }
}

/* Efectos de Hover - Parallax y Zoom */
.service-column:hover .service-overlay {
    background: linear-gradient(to bottom, rgba(26, 26, 46, 0.4) 0%, rgba(26, 26, 46, 0.7) 100%);
}

.service-reclutamiento .service-background {
    background-position: center 40%;
}

.service-atraccion .service-background {
    background-position: 35% 50%;
}

.service-clima .service-background {
    background-position: center 35%;
}

.service-desarrollo .service-background {
    background-position: center 40%;
}

.service-reclutamiento:hover .service-background::after {
    background-image: url("assets/img/Nuestros%20servicios/Reclutamiento%2002.jpg");
    opacity: 1;
}

.service-atraccion:hover .service-background::after {
    background-image: url("assets/img/Nuestros%20servicios/Atraccion%20de%20talento%2002.jpg");
    background-position: 60% 45%;
    opacity: 1;
}

.service-clima:hover .service-background::after {
    background-image: url("assets/img/Nuestros%20servicios/Clima%20laboral%2002.jpg");
    opacity: 1;
}

.service-desarrollo:hover .service-background::after {
    background-image: url("assets/img/Nuestros%20servicios/desarrolo%2002.jpg");
    opacity: 1;
}

.service-column:hover .service-module {
    transform: scale(1.03);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3);
}

.service-column:hover {
    z-index: 2;
}

.service-column:hover .service-content {
    transform: none;
}

/* Efecto de parallax al mover el mouse (parallax hover) */
.service-module {
    transition: transform 0.3s ease-out, box-shadow 0.3s ease-out;
}

/* ============================================
   About Section
   ============================================ */
.about-section {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-background);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-text {
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
    line-height: 1.8;
    font-size: var(--font-size-base);
}

.about-subtitle {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.about-column .about-text {
    margin-bottom: 0;
}

.about-columns {
    max-width: 900px;
    margin: 0 auto var(--spacing-lg);
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.about-column {
    padding: var(--spacing-md);
    text-align: center;
}

.about-bottom {
    max-width: 900px;
    margin: var(--spacing-lg) auto 0;
    padding: var(--spacing-md);
    text-align: center;
}

.about-values {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background-color: #e6f0ff;
    border-radius: 0;
}

.values-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.values-list {
    list-style: none;
    padding-left: 0;
}

.values-list li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    color: var(--color-text);
    line-height: 1.8;
}

.values-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-secondary);
    font-weight: bold;
}

/* ============================================
   Gallery Section
   ============================================ */
.gallery-section {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-background-light);
}

.gallery-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.gallery-item {
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    background-color: var(--color-border);
    aspect-ratio: 16 / 9;
}

.gallery-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.gallery-image:hover {
    transform: scale(1.05);
}

.gallery-note {
    text-align: center;
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    font-style: italic;
    margin-top: var(--spacing-md);
}

/* ============================================
   Contact Section
   ============================================ */
.contact-section {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-background);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    max-width: 900px;
    margin: 0 auto;
}

.contact-info {
    background-color: #e6f0ff;
    padding: var(--spacing-lg);
    border-radius: 0;
}

.contact-info-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.contact-item strong {
    color: var(--color-primary);
    font-weight: 600;
}

.contact-item a {
    color: var(--color-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.contact-item a:hover,
.contact-item a:focus {
    color: var(--color-hover);
    text-decoration: underline;
    outline: none;
}

/* Formulario de Contacto */
.contact-form {
    background-color: #e6f0ff;
    padding: var(--spacing-lg);
    border-radius: 0;
}

@media (min-width: 768px) {
    .contact-form {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: var(--spacing-md);
    }

    .contact-form .form-group {
        margin-bottom: 0;
    }

    .contact-form .form-group:nth-of-type(1),
    .contact-form .form-group:nth-of-type(2),
    .contact-form .form-group:nth-of-type(3) {
        grid-column: span 1;
    }

    .contact-form .form-group:nth-of-type(4) {
        grid-column: 1 / -1;
    }

    .contact-form .submit-button {
        grid-column: 1 / -1;
    }
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--color-primary);
    font-size: var(--font-size-base);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--color-border);
    border-radius: 4px;
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-fast);
    background-color: var(--color-background);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(45, 53, 97, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-button {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--color-primary);
    color: var(--color-background);
    border: none;
    border-radius: 4px;
    font-size: var(--font-size-lg);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.submit-button:hover,
.submit-button:focus {
    background-color: var(--color-secondary);
    outline: none;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.submit-button:active {
    transform: translateY(0);
}

.submit-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.form-input.error,
.form-textarea.error {
    border-color: #e53e3e;
}

.form-input.error:focus,
.form-textarea.error:focus {
    border-color: #e53e3e;
    box-shadow: 0 0 0 3px rgba(229, 62, 62, 0.1);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background-color: var(--color-primary);
    color: var(--color-background);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.footer-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-background);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color var(--transition-fast);
    font-size: var(--font-size-base);
}

.footer-link:hover,
.footer-link:focus {
    color: var(--color-background);
    text-decoration: underline;
    outline: none;
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    color: var(--color-background);
    transition: opacity var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.social-link:hover,
.social-link:focus {
    opacity: 0.7;
    outline: 2px solid var(--color-background);
    outline-offset: 2px;
}

.footer-about {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    font-size: var(--font-size-base);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: var(--spacing-md);
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
}

/* ============================================
   Media Queries - Tablet
   ============================================ */
@media (min-width: 768px) {
    .header-container {
        padding: 0 var(--spacing-md);
    }

    /* En tablet+ mantener header + navbar en la misma línea */
    .header-container {
        flex-wrap: nowrap;
        gap: var(--spacing-md);
    }

    .navbar {
        margin-left: auto;
    }
    
    .nav-container {
        padding: 0 var(--spacing-md);
    }
    
    .nav-menu {
        display: flex;
    }
    
    .menu-toggle {
        display: none;
    }
    
/* Services - 2 columnas en tablet */
    .service-column.et_pb_column_1_5 {
        flex: 0 0 50%;
        width: 50%;
        margin-bottom: 0;
    }
    
    .services-container {
        padding: 0 var(--spacing-md) var(--spacing-xl);
    }
    
    .service-column.et_pb_column_1_5:last-child {
        margin-bottom: 0;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-content {
        grid-template-columns: 1fr 1.5fr;
    }

    .about-columns {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 0;
    }

    .about-column + .about-column {
        border-left: 2px solid var(--color-border);
    }
    
    .footer-container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .section-title {
        font-size: var(--font-size-4xl);
    }
}

/* ============================================
   Media Queries - Desktop
   ============================================ */
@media (min-width: 1024px) {
    .header-container,
    .nav-container,
    .container {
        padding: 0 var(--spacing-lg);
    }
    
/* Services - 4 columnas en desktop */
    .service-column.et_pb_column_1_5 {
        flex: 0 0 25%;
        width: 25%;
    }
    
    .services-row.et_pb_gutters1 {
        margin-left: 0;
        margin-right: 0;
    }
    
    .service-column {
        padding: 0;
        margin-bottom: 0;
    }
    
    .services-container {
        padding: 0 var(--spacing-lg) var(--spacing-xl);
    }
    
    .service-module {
        min-height: 450px;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .footer-container {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .hero-section {
        padding: var(--spacing-xxl) var(--spacing-lg);
        min-height: 600px;
    }
    
}

/* ============================================
   Utilidades de Accesibilidad
   ============================================ */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Focus visible para navegación por teclado */
*:focus-visible {
    outline: 2px solid var(--color-secondary);
    outline-offset: 2px;
}

/* ============================================
   Mejoras de Performance
   ============================================ */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Prevenir layout shift en imágenes */
.gallery-image {
    background-color: var(--color-border);
}