/* ============================================
   VARIABLES CSS - Colores y configuración global
   ============================================ */
:root {
    --color-naranja: #FF8C00;
    --color-negro: #1a1a1a;
    --color-gris: #6c757d;
    --color-gris-claro: #f8f9fa;
    --color-blanco: #ffffff;
    --color-mostaza: #DAA520;
    
    --fuente-principal: 'Roboto', Arial, sans-serif;
    --fuente-titulos: 'Montserrat', Georgia, serif;
    
    --espaciado-sm: 0.5rem;
    --espaciado-md: 1rem;
    --espaciado-lg: 2rem;
    --espaciado-xl: 4rem;
    
    --transicion: all 0.3s ease;
}

/* ============================================
   RESET Y ESTILOS BASE
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--fuente-principal);
    line-height: 1.6;
    color: var(--color-negro);
    background-color: var(--color-blanco);
    overflow-x: hidden;
}

/* Mejora de accesibilidad para elementos enfocados con teclado */
*:focus {
    outline: 3px solid var(--color-naranja);
    outline-offset: 2px;
}

/* ============================================
   TIPOGRAFÍA
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--fuente-titulos);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--espaciado-md);
    color: var(--color-negro);
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
    margin-bottom: var(--espaciado-md);
    font-size: clamp(1rem, 2vw, 1.125rem);
}

a {
    color: var(--color-naranja);
    text-decoration: none;
    transition: var(--transicion);
}

a:hover,
a:focus {
    color: var(--color-mostaza);
}

/* ============================================
   CONTENEDORES Y LAYOUT
   ============================================ */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--espaciado-md);
}

/* ============================================
   HEADER Y NAVEGACIÓN
   ============================================ */
.header {
    background-color: var(--color-blanco);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    width: 100%;
    padding: 0.5rem 2.5%;
    height: 70px; /* ← ALTURA FIJA DEL HEADER */
}

.navbar {
    padding: 0;
    height: 100%;
}

.navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 100%;
    margin: 0 auto;
    height: 100%; /* Ocupa toda la altura del header */
}

/* Logo */
.logo-section {
    display: flex;
    align-items: center;
    height: 100%; /* Ocupa toda la altura disponible */
    padding: 0.2rem 0; /* Espaciado interno */
}

.logo-img {
    height: 100%; /* Se adapta a la altura del contenedor */
    width: auto;
    max-height: 100px; /* ← AJUSTA ESTE VALOR para hacer el logo más grande */
    object-fit: contain;
}

/* Menú de navegación */
.nav-menu {
    display: flex;
    list-style: none;
    gap: 1.5rem; 
    align-items: center;
    margin: 0;
    padding: 0;
}

.nav-link {
    color: var(--color-negro);
    font-weight: 500;
    padding: 0.4rem 0.8rem; 
    border-radius: 5px;
    transition: var(--transicion);
    position: relative;
    font-size: 0.95rem; 
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--color-naranja);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link:focus::after {
    width: 80%;
}

.nav-link.active {
    color: var(--color-naranja);
}

/* Botón hamburguesa para móvil */
.menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem; 
}

.hamburger {
    width: 25px;
    height: 3px;
    background-color: var(--color-negro);
    margin: 3px 0;
    transition: var(--transicion);
}

/* ============================================
   HERO BANNERS (Banners superiores de páginas)
   ============================================ */
.page-hero {
    position: relative;
    height: 400px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 4rem; 
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(26, 26, 26, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-title {
    color: var(--color-blanco);
    text-align: center;
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 1rem;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
    color: var(--color-blanco);
    text-align: center;
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    font-weight: 300;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.5);
}

/* ============================================
   CARRUSEL DE IMÁGENES
   ============================================ */
.carousel-section {
    margin-top: 5rem; 
    padding: 0;
}

.carousel {
    position: relative;
    width: 100%;
    height: 600px;
    overflow: hidden;
    border-radius: 0;
}

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

.carousel-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

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

.carousel-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.carousel-item:hover .carousel-img {
    transform: scale(1.05);
}

/* Controles del carrusel */
.carousel-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(0, 0, 0, 0.5);
    color: var(--color-blanco);
    border: none;
    font-size: 2rem;
    padding: 1rem 1.5rem;
    cursor: pointer;
    transition: var(--transicion);
    z-index: 10;
}

.carousel-control:hover,
.carousel-control:focus {
    background-color: var(--color-naranja);
}

.carousel-control.prev {
    left: 2rem;
}

.carousel-control.next {
    right: 2rem;
}

/* Indicadores del carrusel */
.carousel-indicators {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 1rem;
    z-index: 10;
}

.indicator {
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    border: 2px solid var(--color-blanco);
    cursor: pointer;
    transition: var(--transicion);
}

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

/* ============================================
   SECCIÓN ESLOGAN
   ============================================ */
.slogan-section {
    padding: var(--espaciado-xl) 0;
    background: linear-gradient(135deg, var(--color-naranja), var(--color-mostaza));
    text-align: center;
    color: var(--color-blanco);
}

.slogan {
    margin-bottom: var(--espaciado-md);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.slogan-subtitle {
    font-size: 1.25rem;
    font-weight: 300;
}


/* ============================================
   SECCIÓN DE CLIENTES (LOGOS ESTÁTICOS)
   ============================================ */

.section-title {
    text-align: center;
    margin-bottom: var(--espaciado-lg);
    color: var(--color-negro);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 100px;
    height: 4px;
    background-color: var(--color-naranja);
    margin: 1rem auto 0;
    border-radius: 2px;
}

.clients-section {
    padding: var(--espaciado-xl) 0;
    background-color: var(--color-blanco);
}

.clients-slider {
    margin-top: var(--espaciado-lg);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0 1rem; 
}

.clients-track {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4rem;
    width: 100%;
    max-width: 800px; 
    flex-wrap: wrap; 
}

.client-logo {
    height: 100px;
    width: auto;
    max-width: 280px; 
    object-fit: contain;
    flex-shrink: 1; 
    transition: transform 0.4s ease;
}

.client-logo:hover,
.client-logo:focus {
    transform: scale(1.1);
}

/* Tablets medianas (992px y menor) */
@media (max-width: 992px) {
    .clients-track {
        gap: 3rem;
    }
    
    .client-logo {
        height: 90px;
        max-width: 250px;
    }
}

/* Tablets (768px y menor) */
@media (max-width: 768px) {
    .clients-track {
        gap: 2.5rem;
    }
    
    .client-logo {
        height: 70px;
        max-width: 200px;
    }
}

/* Móviles grandes (576px y menor) */
@media (max-width: 576px) {
    .clients-track {
        gap: 2rem;
        flex-direction: column; 
    }
    
    .client-logo {
        height: 60px;
        max-width: 180px;
    }
    
    .client-logo:hover {
        transform: scale(1.05); 
    }
}

/* Móviles pequeños (400px y menor) */
@media (max-width: 400px) {
    .clients-section {
        padding: var(--espaciado-lg) 0;
    }
    
    .clients-track {
        gap: 1.5rem;
    }
    
    .client-logo {
        height: 50px;
        max-width: 150px;
    }
}

/* ============================================
   PIE DE PÁGINA
   ============================================ */
.footer {
    background-color: var(--color-negro);
    color: var(--color-blanco);
    padding: var(--espaciado-xl) 0 var(--espaciado-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr; 
    gap: 4rem; 
    margin-bottom: var(--espaciado-lg);
    align-items: start;
}

.footer-section h3 {
    color: var(--color-naranja);
    margin-bottom: var(--espaciado-md);
    font-size: 1.25rem;
}

.footer-section p {
    color: var(--color-gris-claro);
    line-height: 1.8;
    text-align: justify; 
}

/* Primera columna: Sobre Nosotros */
.footer-section:first-child p {
    text-align: justify;
}

/* Segunda columna: Contacto - alineado a la izquierda */
.footer-section:nth-child(2) p {
    text-align: left;
}

/* Tercera columna: Call to Action - centrada */
.footer-section:nth-child(3) {
    text-align: center;
}

.footer-section:nth-child(3) h3 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--color-blanco);
    background-color: var(--color-naranja);
    padding: 0.75rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transicion);
    display: inline-block;
}

.footer-links a:hover,
.footer-links a:focus {
    background-color: var(--color-mostaza);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 140, 0, 0.4);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--espaciado-lg);
    border-top: 1px solid var(--color-gris);
    color: var(--color-gris);
}

/* Media queries para footer */
@media (max-width: 968px) {
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
    }
    
    .footer-section:nth-child(3) {
        grid-column: 1 / -1; 
    }
}

@media (max-width: 576px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-section p {
        text-align: center !important;
    }
    
    .footer-section:nth-child(3) {
        grid-column: auto;
    }
}

/* ============================================
   BOTÓN FLOTANTE DE WHATSAPP
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: #25D366;
    color: var(--color-blanco);
    border-radius: 50%;
    width: 65px;
    height: 65px;
    padding: 0;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    transition: all 0.3s ease;
    cursor: pointer;
}

.whatsapp-float:hover {
    background-color: #128C7E;
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.7);
    transform: scale(1.1);
}

.whatsapp-icon {
    width: 38px;
    height: 38px;
    filter: brightness(0) invert(1); 
}

.whatsapp-text {
    display: none;
}

/* Animación de pulso suave */
@keyframes pulse-soft {
    0%, 100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5);
    }
    50% {
        box-shadow: 0 4px 30px rgba(37, 211, 102, 0.8);
    }
}

.whatsapp-float {
    animation: pulse-soft 2s infinite;
}

/* Responsive */
@media (max-width: 768px) {
    .whatsapp-float {
        width: 60px;
        height: 60px;
        bottom: 1.5rem;
        right: 1.5rem;
    }
    
    .whatsapp-icon {
        width: 34px;
        height: 34px;
    }
}

@media (max-width: 480px) {
    .whatsapp-float {
        width: 55px;
        height: 55px;
        bottom: 1rem;
        right: 1rem;
    }
    
    .whatsapp-icon {
        width: 30px;
        height: 30px;
    }
}

/* ============================================
   MEDIA QUERIES - RESPONSIVE DESIGN
   ============================================ */

/* Tablets (768px y menor) */
@media (max-width: 768px) {
    .header {
        width: 100%;
        top: 0;
        border-radius: 0;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        flex-direction: column;
        background-color: var(--color-blanco);
        width: 100%;
        padding: 2rem;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        transition: left 0.3s ease;
        gap: 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        width: 100%;
        text-align: center;
        padding: 1rem 0;
        border-bottom: 1px solid var(--color-gris-claro);
    }
    
    .carousel {
        height: 400px;
    }
    
    .carousel-control {
        font-size: 1.5rem;
        padding: 0.5rem 1rem;
    }
    
    .carousel-control.prev {
        left: 0.5rem;
    }
    
    .carousel-control.next {
        right: 0.5rem;
    }
    
    .whatsapp-text {
        display: none;
    }
    
    .whatsapp-float {
        border-radius: 50%;
        padding: 1rem;
    }
    
    .clients-track {
        gap: 2rem;
    }
    
    .client-logo {
        height: 60px;
    }
    
    .page-hero {
        height: 300px;
        margin-top: 5rem;
    }
}

/* Móviles (480px y menor) */
@media (max-width: 480px) {
    :root {
        font-size: 14px;
    }
    
    .carousel-section {
        margin-top: 5rem;
    }
    
    .carousel {
        height: 300px;
    }
    
    .company-name {
        font-size: 1.2rem;
    }
    
    .logo-img {
        height: 40px;
    }
    
    .slogan-section,
    .video-section,
    .clients-section {
        padding: var(--espaciado-lg) 0;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .page-hero {
        height: 250px;
    }
}

/* Pantallas grandes (1200px y mayor) */
@media (min-width: 1200px) {
    .carousel {
        height: 700px;
    }
    
    .container {
        max-width: 1400px;
    }
}