/* Reset y configuración base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Optimizaciones de rendimiento */
html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

/* Prevenir FOUC (Flash of Unstyled Content) */
html {
    visibility: hidden;
    opacity: 0;
}

html.loaded {
    visibility: visible;
    opacity: 1;
    transition: opacity 0.3s ease-in-out;
}

/* Respaldo: mostrar la página después de 1 segundo aunque JavaScript no funcione */
html {
    animation: showPage 0.3s ease-in-out 1s forwards;
}

@keyframes showPage {
    to {
        visibility: visible;
        opacity: 1;
    }
}

/* Optimización de fuentes */
@font-display: swap;

:root {
    /* Paleta de colores corporativa */
    --color-primary: #2c3e50;
    --color-secondary: #34495e;
    --color-accent: #3498db;
    --color-accent-hover: #2980b9;
    --color-success: #27ae60;
    --color-warning: #f39c12;
    --color-danger: #e74c3c;
    
    /* Colores neutros */
    --color-white: #ffffff;
    --color-light: #f8f9fa;
    --color-light-gray: #ecf0f1;
    --color-gray: #95a5a6;
    --color-dark-gray: #7f8c8d;
    --color-dark: #2c3e50;
    --color-black: #1a1a1a;
    
    /* Tipografía */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    /* Espaciado */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transiciones */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
    
    /* Border radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-white);
}

/* Utilidades */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    line-height: 1.5;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-accent);
    border: 2px solid var(--color-accent);
}

.btn-secondary:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-tienda {
    background-color: var(--color-success);
    color: var(--color-white);
    font-weight: 600;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
}

.btn-tienda:hover {
    background-color: #229954;
    transform: translateY(-1px);
}

.btn-link {
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.btn-link:hover {
    color: var(--color-accent-hover);
    text-decoration: underline;
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    text-align: center;
    color: var(--color-dark-gray);
    margin-bottom: var(--spacing-2xl);
}

/* Header */
.header {
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
}

.nav-brand {
    display: flex;
    align-items: center;
}

.nav-brand a {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--color-primary);
}

.logo {
    height: 40px;
    width: auto;
    margin-right: var(--spacing-sm);
}

.brand-name {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
}

.nav-menu {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    list-style: none;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-item {
    position: relative;
}

.nav-link {
    color: var(--color-dark);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-accent);
    background-color: var(--color-light);
}

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown-toggle::after {
    content: ' ▼';
    font-size: var(--font-size-xs);
    margin-left: var(--spacing-xs);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--color-white);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) 0;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: 1001;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    list-style: none;
}

.dropdown-link {
    display: block;
    padding: var(--spacing-sm) var(--spacing-lg);
    color: var(--color-dark);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.dropdown-link:hover {
    background-color: var(--color-light);
    color: var(--color-accent);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: var(--spacing-sm);
    background: none;
    border: none;
    position: relative;
    z-index: 1002;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--color-primary);
    margin: 2px 0;
    transition: var(--transition-normal);
    display: block;
}

/* Animación del hamburger menu */
.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    padding: 120px 0 var(--spacing-3xl);
    margin-top: 70px;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-2xl);
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-placeholder {
    width: 100%;
    height: 400px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-lg);
}

/* Productos Section */
.productos-section {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-light);
}

.productos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.producto-card {
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.producto-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.producto-image {
    margin-bottom: var(--spacing-lg);
}

.image-placeholder {
    width: 100%;
    height: 200px;
    background-color: var(--color-light-gray);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray);
}

.producto-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.producto-card p {
    color: var(--color-dark-gray);
    margin-bottom: var(--spacing-lg);
}

/* Nosotros Section */
.nosotros-section {
    padding: var(--spacing-3xl) 0;
}

.nosotros-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.nosotros-text h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--color-primary);
}

.nosotros-text p {
    margin-bottom: var(--spacing-lg);
    color: var(--color-dark-gray);
}

.nosotros-features {
    list-style: none;
    margin-top: var(--spacing-lg);
}

.nosotros-features li {
    padding: var(--spacing-sm) 0;
    color: var(--color-success);
    font-weight: 500;
}

.nosotros-image .image-placeholder {
    height: 400px;
    background-color: var(--color-light-gray);
    border-radius: var(--radius-xl);
}

/* Clientes Section */
.clientes-section {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-light);
}

.clientes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-xl);
    align-items: center;
}

.cliente-logo {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-lg);
}

.logo-placeholder {
    width: 120px;
    height: 80px;
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray);
    font-size: var(--font-size-sm);
    box-shadow: var(--shadow-sm);
}

/* Contacto Section */
.contacto-section {
    padding: var(--spacing-3xl) 0;
}

.contacto-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
}

.contacto-info h3,
.contacto-form h3 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--color-primary);
}

.contacto-item {
    margin-bottom: var(--spacing-lg);
}

.contacto-item strong {
    display: block;
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.contacto-item p {
    color: var(--color-dark-gray);
}

.contacto-item a {
    color: var(--color-accent);
    text-decoration: none;
}

.contacto-item a:hover {
    text-decoration: underline;
}

/* Formulario */
.form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form input,
.form textarea {
    padding: var(--spacing-md);
    border: 2px solid var(--color-light-gray);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    transition: border-color var(--transition-fast);
}

.form input:focus,
.form textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

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

/* Footer */
.footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-section h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-section a:hover {
    color: var(--color-white);
}

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

.social-link {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
}

.social-link:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-xl);
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
}

.footer-bottom p {
    margin-bottom: var(--spacing-sm);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--color-white);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: var(--spacing-2xl);
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
        z-index: 1001;
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .nav-list {
        flex-direction: column;
        gap: var(--spacing-xl);
        width: 100%;
        align-items: center;
    }
    
    .nav-item {
        width: 100%;
        text-align: center;
    }
    
    .nav-link {
        display: block;
        padding: var(--spacing-lg);
        font-size: var(--font-size-lg);
        width: 100%;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background-color: var(--color-light);
        margin-top: var(--spacing-sm);
        border-radius: var(--radius-md);
        display: none;
    }
    
    .dropdown.active .dropdown-menu {
        display: block;
    }
    
    .dropdown-toggle::after {
        content: ' ▼';
        transition: transform var(--transition-fast);
    }
    
    .dropdown.active .dropdown-toggle::after {
        transform: rotate(180deg);
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .nosotros-content,
    .contacto-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .productos-grid {
        grid-template-columns: 1fr;
    }
    
    .clientes-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 100px 0 var(--spacing-2xl);
    }
    
    .hero-title {
        font-size: var(--font-size-2xl);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .clientes-grid {
        grid-template-columns: 1fr;
    }
}

/* Optimizaciones adicionales de rendimiento */
img {
    max-width: 100%;
    height: auto;
    loading: lazy;
}

/* Lazy loading para imágenes de fondo */
.lazy-bg {
    background-image: none !important;
    transition: background-image 0.3s ease-in-out;
}

.lazy-bg.loaded {
    background-image: inherit;
}

/* Optimización de animaciones */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* GPU acceleration para elementos animados */
.producto-card,
.btn,
.nav-link {
    will-change: transform;
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* Contenedor para prevenir layout shifts */
.aspect-ratio {
    position: relative;
    width: 100%;
    height: 0;
}

.aspect-ratio-16-9 {
    padding-bottom: 56.25%;
}

.aspect-ratio-4-3 {
    padding-bottom: 75%;
}

.aspect-ratio-1-1 {
    padding-bottom: 100%;
}

.aspect-ratio > * {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Animaciones adicionales */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.producto-card,
.contacto-info,
.contacto-form {
    animation: fadeInUp 0.6s ease-out;
}

/* Estados de hover mejorados */
.nav-link,
.btn,
.producto-card,
.social-link {
    position: relative;
    overflow: hidden;
}

.nav-link::before,
.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s;
}

.nav-link:hover::before,
.btn:hover::before {
    left: 100%;
}

/* ========================================
   ESTILOS MODERNOS PARA FORMULARIO DE CONTACTO
   ======================================== */

/* Sección de contacto principal */
.contacto-section {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

.contacto-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.contacto-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

/* Wrapper del formulario principal */
.contacto-form-wrapper {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(52, 152, 219, 0.1);
    position: relative;
    overflow: hidden;
}

.contacto-form-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-success));
}

/* Estilos del formulario */
.contacto-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

/* Secciones del formulario */
.form-section {
    background: #fafbfc;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    border: 1px solid #e9ecef;
    transition: all var(--transition-normal);
}

.form-section:hover {
    border-color: rgba(52, 152, 219, 0.3);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.1);
}

.form-section-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.form-section-title::before {
    content: '';
    width: 4px;
    height: 20px;
    background: linear-gradient(135deg, var(--color-accent), var(--color-success));
    border-radius: 2px;
}

/* Filas del formulario */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

/* Grupos de campos */
.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    position: relative;
}

.form-group label {
    font-weight: 500;
    color: var(--color-primary);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
}

/* Campos de entrada modernos */
.form-group input,
.form-group textarea,
.form-group select {
    padding: var(--spacing-md) var(--spacing-lg);
    border: 2px solid #e9ecef;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    background: var(--color-white);
    transition: all var(--transition-normal);
    position: relative;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
    transform: translateY(-1px);
}

.form-group input:hover,
.form-group textarea:hover,
.form-group select:hover {
    border-color: rgba(52, 152, 219, 0.5);
}

/* Placeholders mejorados */
.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #95a5a6;
    font-style: italic;
}

/* Textarea específico */
.form-group textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.6;
}

/* Select personalizado */
.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2395a5a6' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right var(--spacing-md) center;
    background-size: 16px;
    padding-right: calc(var(--spacing-lg) + 24px);
}

/* Checkboxes personalizados */
.checkbox-group {
    flex-direction: row !important;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
    line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid #e9ecef;
    border-radius: var(--radius-sm);
    background: var(--color-white);
    position: relative;
    transition: all var(--transition-normal);
    flex-shrink: 0;
    margin-top: 2px;
}

.checkbox-label:hover .checkmark {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 2px;
    width: 6px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-text {
    color: var(--color-dark-gray);
    font-size: var(--font-size-sm);
}

.checkbox-text a {
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 500;
}

.checkbox-text a:hover {
    text-decoration: underline;
}

/* Mensajes de error */
.form-error {
    color: var(--color-danger);
    font-size: var(--font-size-xs);
    margin-top: var(--spacing-xs);
    display: none;
    font-weight: 500;
}

.form-error.show {
    display: block;
}

/* Helper text */
.form-helper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-xs);
}

.character-count {
    font-size: var(--font-size-xs);
    color: var(--color-gray);
}

/* Botones del formulario */
.form-actions {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid #e9ecef;
}

.btn-large {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-lg);
    font-weight: 600;
    border-radius: var(--radius-lg);
    min-width: 200px;
    position: relative;
    overflow: hidden;
}

.btn-large:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-loader {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.form-note {
    margin-top: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-gray);
    font-style: italic;
}

/* Mensaje de estado */
.mensaje-estado {
    margin-bottom: var(--spacing-xl);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 2px solid;
    background: var(--color-white);
}

.mensaje-estado.success {
    border-color: var(--color-success);
    background: rgba(39, 174, 96, 0.05);
    color: #1e7e34;
}

.mensaje-estado.error {
    border-color: var(--color-danger);
    background: rgba(231, 76, 60, 0.05);
    color: #721c24;
}

.mensaje-contenido {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.mensaje-icono {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    font-weight: bold;
    color: white;
}

.mensaje-estado.success .mensaje-icono {
    background: var(--color-success);
}

.mensaje-estado.error .mensaje-icono {
    background: var(--color-danger);
}

/* Sidebar de contacto */
.contacto-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.contacto-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(52, 152, 219, 0.1);
    transition: all var(--transition-normal);
}

.contacto-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid #f8f9fa;
}

.card-header h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-primary);
    margin: 0;
}

.card-icon {
    font-size: var(--font-size-2xl);
    opacity: 0.7;
}

/* Información de contacto */
.contacto-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.info-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    background: #fafbfc;
    transition: all var(--transition-normal);
}

.info-item:hover {
    background: #f1f3f4;
    transform: translateX(4px);
}

.info-icon {
    font-size: var(--font-size-xl);
    width: 32px;
    text-align: center;
    flex-shrink: 0;
}

.info-content strong {
    display: block;
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-content p {
    color: var(--color-dark-gray);
    margin: 0;
    line-height: 1.5;
}

.info-content a {
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 500;
}

.info-content a:hover {
    text-decoration: underline;
}

.info-note {
    font-size: var(--font-size-xs);
    color: var(--color-gray);
    font-style: italic;
    margin-top: var(--spacing-xs);
}

/* Horarios compactos */
.horarios-compacto p {
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-sm);
}

/* Acciones rápidas */
.acciones-directas {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.btn-phone,
.btn-whatsapp {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all var(--transition-normal);
    border: 2px solid;
}

.btn-phone {
    background: rgba(52, 152, 219, 0.05);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.btn-phone:hover {
    background: var(--color-accent);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-whatsapp {
    background: rgba(37, 211, 102, 0.05);
    border-color: #25d366;
    color: #25d366;
}

.btn-whatsapp:hover {
    background: #25d366;
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-icon {
    font-size: var(--font-size-2xl);
    width: 32px;
    text-align: center;
}

.btn-content {
    flex: 1;
    text-align: left;
}

.btn-title {
    display: block;
    font-weight: 600;
    font-size: var(--font-size-base);
}

.btn-subtitle {
    display: block;
    font-size: var(--font-size-sm);
    opacity: 0.8;
    margin-top: 2px;
}

/* Ventajas compactas */
.ventajas-compactas {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.ventajas-compactas li {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background: #fafbfc;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    transition: all var(--transition-normal);
}

.ventajas-compactas li:hover {
    background: #f1f3f4;
    transform: translateX(4px);
}

.ventaja-icono {
    font-size: var(--font-size-lg);
    width: 24px;
    text-align: center;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .contacto-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .contacto-sidebar {
        order: -1;
    }
}

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .contacto-form-wrapper,
    .contacto-card {
        padding: var(--spacing-lg);
    }
    
    .form-section {
        padding: var(--spacing-lg);
    }
    
    .acciones-directas {
        flex-direction: column;
    }
    
    .btn-large {
        min-width: auto;
        width: 100%;
    }
}

@media (max-width: 480px) {
    .contacto-section {
        padding: var(--spacing-2xl) 0;
    }
    
    .contacto-form-wrapper,
    .contacto-card {
        padding: var(--spacing-md);
    }
    
    .form-section {
        padding: var(--spacing-md);
    }
    
    .checkbox-group {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
}

/* ====================================
   SECCIÓN FAQs
   ==================================== */

.faqs-section {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

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

.faq-category {
    margin-bottom: var(--spacing-2xl);
}

.faq-category-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-accent);
    position: relative;
}

.faq-category-title::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 60px;
    height: 2px;
    background: var(--color-primary);
}

.faq-item {
    background: white;
    border-radius: 12px;
    margin-bottom: var(--spacing-md);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    overflow: hidden;
}

.faq-item:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
    transform: translateY(-2px);
}

.faq-question {
    width: 100%;
    padding: var(--spacing-lg);
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-text-primary);
    transition: all 0.3s ease;
}

.faq-question:hover {
    color: var(--color-primary);
}

.faq-question span:first-child {
    flex: 1;
    margin-right: var(--spacing-md);
    line-height: 1.4;
}

.faq-icon {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--color-primary);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer.active {
    max-height: 500px;
}

.faq-content {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    border-top: 1px solid #e2e8f0;
}

.faq-content p {
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin: 0;
    padding-top: var(--spacing-md);
}

/* Responsive FAQs */
@media (max-width: 768px) {
    .faqs-section {
        padding: var(--spacing-2xl) 0;
    }
    
    .faq-question {
        padding: var(--spacing-md);
        font-size: 1rem;
    }
    
    .faq-content {
        padding: 0 var(--spacing-md) var(--spacing-md);
    }
    
    .faq-category-title {
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .faq-question {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .faq-question span:first-child {
        margin-right: var(--spacing-sm);
    }
    
    .faq-icon {
        font-size: 1.3rem;
    }
}