/* ========================================
   VARIABLES CSS Y RESET
   ======================================== */

:root {
    /* Paleta de colores */
    --color-primary: #FF8C00; /* Naranja */
    --color-secondary: #DAA520; /* Mostaza */
    --color-dark: #1a1a1a; /* Negro */
    --color-gray: #666666; /* Gris */
    --color-light-gray: #f5f5f5; /* Gris claro */
    --color-white: #ffffff; /* Blanco */
    
    /* Tipografía */
    --font-primary: 'Roboto', Arial, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Sombras */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.2);
}

/* Reset y estilos 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);
    line-height: var(--line-height-base);
    color: var(--color-dark);
    background-color: var(--color-white);
    overflow-x: hidden;
}

/* Mejora de accesibilidad para focus */
*:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ========================================
   CONTENEDOR PRINCIPAL
   ======================================== */

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

/* ========================================
   ENCABEZADO SUPERIOR (LOGO Y NOMBRE)
   ======================================== */

.top-header {
    position: sticky;
    top: 0;
    z-index: 1001;
    background-color: var(--color-white);
    line-height: 0; 
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    padding: 0;
    line-height: normal;
}

.top-header .container {
    padding-top: 0;
    padding-bottom: 0;
}

.logo {
    max-height: 200px;
    width: auto;
    display: block; 
    transition: transform var(--transition-normal);
}

.logo:hover {
    transform: scale(1.05);
}

.company-name {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 1px;
}

/* ========================================
   BARRA DE NAVEGACIÓN
   ======================================== */

.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--color-white); 
    box-shadow: 0 2px 10px rgba(250, 249, 249, 0.15);
}

.nav-menu {
    display: flex;
    justify-content: center;
    align-items: center;
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-menu li {
    position: relative;
}

.nav-menu a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-dark);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-normal);
    position: relative;
}

/* Efecto hover en menú */
.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background-color: var(--color-primary);
    transition: all var(--transition-normal);
    transform: translateX(-50%);
}

.nav-menu a:hover,
.nav-menu a[aria-current="page"] {
    color: var(--color-primary);
}

.nav-menu a:hover::after,
.nav-menu a[aria-current="page"]::after {
    width: 80%;
}

/* Botón hamburguesa para móviles */
.menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--color-dark);
    margin: 3px 0;
    transition: all var(--transition-fast);
}

/* Animación del botón hamburguesa cuando está activo */
.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

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

/* ========================================
   SECCIÓN HERO (CARRUSEL Y ESLOGAN)
   ======================================== */

.hero-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-light-gray);
}

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

/* Carrusel de imágenes */
.carousel {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-normal);
}

.carousel:hover {
    transform: scale(1.02);
}

.carousel-inner {
    position: relative;
    width: 100%;
    height: 400px;
}

.carousel-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.carousel-item.active {
    opacity: 1;
}

.carousel-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Controles del carrusel */
.carousel-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(255, 140, 0, 0.8);
    color: var(--color-white);
    border: none;
    padding: var(--spacing-sm);
    cursor: pointer;
    font-size: 1.5rem;
    transition: background-color var(--transition-fast);
    z-index: 10;
    border-radius: 5px;
}

.carousel-control:hover {
    background-color: var(--color-primary);
}

.carousel-control.prev {
    left: 10px;
}

.carousel-control.next {
    right: 10px;
}

/* Indicadores del carrusel */
.carousel-indicators {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    border: none;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.indicator.active,
.indicator:hover {
    background-color: var(--color-white);
}

/* Eslogan */
.slogan {
    text-align: center;
}

.slogan h2 {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

.slogan p {
    font-size: 1.2rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.btn-primary {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--color-primary);
    color: var(--color-white);
    text-decoration: none;
    border-radius: 5px;
    font-weight: 500;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background-color: var(--color-secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ========================================
   SECCIÓN DE VIDEO
   ======================================== */

.video-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-primary);
}

.video-section h2 {
    text-align: center;
    font-size: 2rem;
    color: var(--color-dark);
  /*  margin-bottom: var(--spacing-lg); */
}



/* ========================================
   SECCIÓN DE CLIENTES
   ======================================== */

.clients-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-light-gray);
    overflow: hidden;
}

.clients-section h2 {
    text-align: center;
    font-size: 2rem;
    color: var(--color-dark);
    margin-bottom: var(--spacing-lg);
}

.clients-slider {
    overflow: hidden;
    padding: var(--spacing-md) 0;
    width: 100%;
}

.clients-track {
    display: flex;
    width: max-content;
    animation: scroll 40s linear infinite;
}

.clients-track img {
    height: 80px;
    width: auto;
    object-fit: contain;
    filter: none;
    opacity: 1;
    transition: transform var(--transition-normal);
    margin: 0 40px;
}

.clients-track img:hover {
    transform: scale(1.1);
}

/* Pausar animación al hacer hover */
.clients-slider:hover .clients-track {
    animation-play-state: paused;
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* ========================================
   PIE DE PÁGINA
   ======================================== */

.footer {
    background-color: var(--color-dark);
    color: var(--color-white);
    padding: var(--spacing-xl) 0 0; 
    margin-top: var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1.5fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-column h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-size: 1.2rem;
}

.footer-column p,
.footer-column li {
    color: #cccccc;
    margin-bottom: var(--spacing-xs);
}

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

.footer-column a {
    color: #cccccc;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

.footer-bottom {
    text-align: center;
    padding: var(--spacing-sm) 0;
    margin-top: var(--spacing-sm);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    grid-column: 1 / -1;
}

.footer-bottom p {
    color: #999999;
    line-height: 1;
}

/* ========================================
   BOTÓN FLOTANTE DE WHATSAPP
   ======================================== */

.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    align-items: center;
    gap: 10px;
    background-color: #25D366;
    color: var(--color-white);
    padding: 12px 20px;
    border-radius: 50px;
    text-decoration: none;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    z-index: 999;
}

.whatsapp-float:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 20px rgba(37, 211, 102, 0.4);
}

.whatsapp-float svg {
    width: 30px;
    height: 30px;
    fill: var(--color-white);
}

.whatsapp-text {
    font-weight: 500;
    font-size: 0.9rem;
}

/* ========================================
   MEDIA QUERIES - DISEÑO RESPONSIVE
   ======================================== */

/* Tablets y pantallas medianas (768px - 1024px) */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .company-name {
        font-size: 1.5rem;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Móviles y pantallas pequeñas (hasta 768px) */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--color-white);
        width: 100%;
        text-align: center;
        transition: left var(--transition-normal);
        box-shadow: var(--shadow-md);
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        width: 100%;
    }
    
    .nav-menu a {
        padding: var(--spacing-md);
        border-bottom: 1px solid var(--color-light-gray);
    }
    
    .nav-menu a::after {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .company-name {
        font-size: 1.2rem;
    }
    
    .logo {
        max-height: 50px;
    }
    
    .slogan h2 {
        font-size: 1.8rem;
    }
    
    .slogan p {
        font-size: 1rem;
    }
    
    .carousel-inner {
        height: 300px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .whatsapp-text {
        display: none;
    }
    
    .whatsapp-float {
        width: 60px;
        height: 60px;
        border-radius: 50%;
        justify-content: center;
        padding: 15px;
    }
}

/* Pantallas muy pequeñas (hasta 480px) */
@media (max-width: 480px) {
    :root {
        --font-size-base: 14px;
    }
    
    .container {
        padding: 0 var(--spacing-xs);
    }
    
    .company-name {
        font-size: 1rem;
    }
    
    .carousel-inner {
        height: 200px;
    }
    
    .slogan h2 {
        font-size: 1.5rem;
    }
    
    .carousel-control {
        padding: 8px;
        font-size: 1.2rem;
    }
}

/* ========================================
   ESTILOS PARA IMPRESIÓN
   ======================================== */

@media print {
    .navbar,
    .whatsapp-float,
    .carousel-control,
    .carousel-indicators,
    .menu-toggle {
        display: none !important;
    }
    
    body {
        color: #000;
        background: #fff;
    }
    
    .top-header {
        box-shadow: none;
        border-bottom: 2px solid #000;
    }
    
    a {
        text-decoration: underline;
    }
}

/* ========================================
   UTILIDADES Y CLASES DE AYUDA
   ======================================== */

/* Clase para lectores de pantalla solamente */
.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;
}

/* Utilidades de texto */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

/* Utilidades de margen superior */
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }

/* Utilidades de margen inferior */
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

/* Utilidades de padding */
.p-1 { padding: var(--spacing-sm); }
.p-2 { padding: var(--spacing-md); }
.p-3 { padding: var(--spacing-lg); }

/* Clases de visibilidad */
.hidden {
    display: none !important;
}

.visible {
    display: block !important;
}

/* ========================================
   ANIMACIONES ADICIONALES
   ======================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInUp {
    from {
        transform: translateY(30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-in;
}

.slide-in-up {
    animation: slideInUp 0.6s ease-out;
}

/* ========================================
   ESTADOS DE CARGA
   ======================================== */

.loading {
    pointer-events: none;
    opacity: 0.6;
    cursor: wait;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 3px solid var(--color-primary);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}