/* ======== CONFIGURACIÓN GLOBAL Y VARIABLES ======== */
:root {
    --primary-color: #ffed00; /* Amarillo "industrial" */
    --primary-color-darker: #e6d600; /* Para hover */
    --dark-color: #111111;    /* Negro intenso */
    --text-color: #333;
    --light-gray: #f5f5f5;
    --medium-gray: #888;
    --white-color: #ffffff;
    
    /* === TIPOGRAFÍA OPTIMIZADA === */
    --font-heading: 'Helvetica', sans-serif;
    --font-body: 'Manrope', sans-serif;
    
    --header-height: 80px;
    --border-radius: 10px;
    --transition-main: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}


html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: var(--font-body);
    line-height: 1.7;
    color: var(--text-color);
    background-color: var(--white-color);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* SCROLLBAR PERSONALIZADO - WebKit (Chrome, Edge, Safari) */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #F5F5F5;
}

::-webkit-scrollbar-thumb {
    background-color: #181818;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background-color: #131313;
}

/* Evita el scroll horizontal mientras el menú está abierto */
body.nav-active {
    overflow: hidden;
}

/* ======== CONTENEDORES Y FONDOS ======== */
.container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 2rem;
}
.container-fluid {
    width: 100%;
    padding: 0 1rem;
}
.container-small {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 2rem;
}
.section-padded {
    padding: 6rem 0;
}
.dark-bg {
    background-color: var(--dark-color);
    color: var(--white-color);
}
.light-bg {
    background-color: var(--light-gray);
}

/* ======== TIPOGRAFÍA Y ELEMENTOS GLOBALES ======== */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 400; /* Anton solo tiene 400 */
    text-transform: uppercase;
    color: var(--dark-color);
    margin-bottom: 1.5rem;
    line-height: 1.2;
    letter-spacing: 0.5px;
}
.dark-bg h1, .dark-bg h2, .dark-bg h3, .dark-bg h4 {
    color: var(--white-color);
}

h1 { font-size: 4.5rem; }
h2 { font-size: 3rem; }
h3 { font-size: 1.75rem; }

p { 
    margin-bottom: 1rem; 
    color: var(--medium-gray); 
    font-weight: 400;
}
.dark-bg p { color: var(--medium-gray); }
a { color: var(--primary-color); text-decoration: none; }

.section-tag {
    display: block;
    font-family: var(--font-body);
    font-weight: 700;
    color: var(--primary-color);
    text-transform: uppercase;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    letter-spacing: 1px;
}
.section-header {
    margin-bottom: 3rem;
}
.section-header.text-center {
    text-align: center;
}
.section-header p {
    font-size: 1.1rem;
}

/* ======== HEADER (Fijo) ======== */
.sticky-header {
    background-color: transparent;
    padding: 0 1rem;
    height: var(--header-height);
    display: flex;
    align-items: center;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1060; 
    transition: background-color 0.3s ease, border-bottom 0.3s ease;
    border-bottom: 1px solid transparent;
}
/* Estilo del header al hacer scroll */
.sticky-header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid #eee;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}
.sticky-header.scrolled .logo,
.sticky-header.scrolled .menu-toggle {
    color: var(--dark-color);
}

.sticky-header .container-fluid {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}
.logo {
    font-family: var(--font-heading);
    font-size: 2rem;
    
    /* CAMBIO: Forzamos el peso base a 400 */
    font-weight: 400; 
    
    color: var(--white-color); 
    transition: color 0.3s ease, opacity 0.3s ease; 
    letter-spacing: 1px;

    /* AGREGAR ESTA LÍNEA (El truco del grosor para escritorio) */
    /* 0.8px suele ser ideal para tamaño escritorio. Si es mucho, baja a 0.6px */
    -webkit-text-stroke: 0.8px currentColor; 
}

.footer-logo { color: var(--white-color); }
.sticky-header.scrolled .logo { color: var(--dark-color); }

.header-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}
.menu-toggle {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--white-color); 
    cursor: pointer;
    transition: color 0.3s ease;
    position: relative; 
}
.sticky-header.scrolled .menu-toggle { color: var(--dark-color); }


/* ======== NAVEGACIÓN OVERLAY ======== */
.fullscreen-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: var(--dark-color);
    /* z-index 1050 (ahora *detrás* del header) */
    z-index: 1050; 
    
    display: flex;
    justify-content: center;
    align-items: center;
    
    opacity: 0;
    visibility: hidden;
    transform: translateY(-100%);
    transition: var(--transition-main);
}
.fullscreen-nav.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Oculta el logo y el botón CTA cuando el menú está activo */
body.nav-active .sticky-header .logo,
body.nav-active .sticky-header .cta-button.hidden-mobile {
    opacity: 0;
    pointer-events: none; 
}

/* * =========================================================
 * NUEVO CAMBIO:
 * Oculta el *fondo* del header cuando el menú está activo
 * =========================================================
 */
body.nav-active .sticky-header.scrolled {
    background-color: transparent !important;
    border-bottom-color: transparent !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
}

/* Asegura que el icono de la "X" sea blanco y visible */
.menu-toggle.active i {
    color: var(--white-color) !important; 
}


.fullscreen-nav ul {
    list-style: none;
    text-align: center;
}
.fullscreen-nav li {
    margin: 1rem 0;
}
.fullscreen-nav a {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    color: var(--white-color);
    text-decoration: none;
    transition: color 0.3s ease;
}
.fullscreen-nav a:hover {
    color: var(--primary-color);
}
.nav-footer {
    position: absolute;
    bottom: 2rem;
    text-align: center;
    color: var(--medium-gray);
    font-size: 0.9rem;
}

/* ======== BOTONES CTA ======== */
.cta-button {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--dark-color);
    padding: 1rem 2.5rem;
    border: 2px solid var(--primary-color);
    border-radius: 50px; 
    font-size: 1rem;
    font-weight: 700;
    font-family: var(--font-body);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition-main), opacity 0.3s ease; 
    cursor: pointer;
    margin: 5px;
}
.cta-button:hover {
    background-color: var(--primary-color-darker);
    border-color: var(--primary-color-darker);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}
.cta-button.secondary {
    background-color: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}
.cta-button.secondary:hover {
    background-color: var(--primary-color);
    color: var(--dark-color);
}
.cta-button.small {
    padding: 0.6rem 1.5rem;
    font-size: 0.9rem;
}
.dark-bg .cta-button.secondary {
    color: var(--white-color);
    border-color: var(--white-color);
}
.dark-bg .cta-button.secondary:hover {
    background-color: var(--white-color);
    color: var(--dark-color);
}
.cta-button i {
    margin-right: 8px;
}

/* ======== SECCIÓN INICIO (HERO) ======== */
#home {
    height: 100vh; 
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.hero-image-bg {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 1;
    overflow: hidden;
}
.hero-image-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    animation: zoom-in 20s ease-out infinite alternate;
}
@keyframes zoom-in {
    from { transform: scale(1); }
    to { transform: scale(1.05); }
}
.hero-overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: linear-gradient(180deg, rgba(17,17,17,0.2) 0%, rgba(17,17,17,0.8) 100%); 
    z-index: 2;
}
.hero-content {
    position: relative;
    z-index: 3;
    max-width: 900px;
}
.hero-content h1 {
    color: var(--white-color);
    margin-bottom: 1.5rem;
}
.hero-content p {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2.5rem;
    font-weight: 300;
}
.scroll-down-indicator {
    position: absolute;
    bottom: 2rem;
    z-index: 3;
    color: var(--white-color);
    font-size: 1.2rem;
    animation: bounce 2s infinite;
}
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* ======== LAYOUT DIVIDIDO (Split) ======== */
.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}
.split-image img {
    width: 100%;
    height: 100%;
    min-height: 400px; 
    object-fit: cover;
    border-radius: var(--border-radius);
}

/* ======== PRODUCTOS (Scroll Horizontal) ======== */
.horizontal-scroll-wrapper {
    overflow-x: auto;
    padding: 2rem 0;
    -ms-overflow-style: none;
    scrollbar-width: none;
}
.horizontal-scroll-wrapper::-webkit-scrollbar {
    display: none;
}
.horizontal-scroll-content {
    display: flex;
    width: max-content; 
    gap: 2rem;
    padding-left: 2rem;
    padding-right: 2rem;
}
.product-card-horizontal {
    width: 350px;
    background: var(--white-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition-main);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    flex-shrink: 0;
}
.product-card-horizontal:hover {
    transform: translateY(-10px);
}
.product-card-horizontal img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}
.product-card-horizontal h3 {
    color: var(--dark-color);
    padding: 1.5rem 1.5rem 0.5rem 1.5rem;
}
.product-card-horizontal p {
    padding: 0 1.5rem 1.5rem 1.5rem;
    font-size: 0.95rem;
}

/* ======== SLIDESHOW DE PRODUCTOS ======== */

.slideshow-container {
    position: relative;
    width: 100%;
    height: 320px;
    overflow: hidden;
    background-color: #ddd; 
}

.slideshow-container img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%; 
    object-fit: cover;
    opacity: 0; 
    transition: opacity 0.5s ease-in-out; 
    z-index: 1;
}

.slideshow-container img.active {
    opacity: 1;
    z-index: 2;
}

.product-card-horizontal .card-content {
    padding: 0; /* Reseteo */
}

/* ======== SERVICIOS (Grid) ======== */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}
.service-card {
    background-color: var(--light-gray);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition-main);
}
.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.08);
}
.service-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

/* ======== CONTACTO Y MAPA ======== */
.map-container {
    width: 100%;
    height: 650px;
    border-radius: var(--border-radius);
    overflow: hidden;
}
.map-container iframe {
    width: 100%;
    height: 100%;
    border: 0;
}
.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 2rem;
}
.contact-info-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 5px;
}
.contact-info-item p {
    margin-bottom: 0;
    color: var(--white-color); 
    font-size: 1.1rem;
    line-height: 1.8;
}
.contact-info-item strong {
    font-size: 1.1rem;
    color: var(--white-color);
    margin-bottom: 0.5rem;
    display: block;
    font-weight: 700;
}
.contact-buttons-wrapper {
    margin-top: 2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

/* ======== RESEÑAS ======== */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}
.testimonial-card {
    background-color: var(--white-color);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid #eee;
}
.testimonial-rating {
    color: var(--primary-color);
    margin-bottom: 1rem;
}
.testimonial-card blockquote {
    font-size: 1.05rem;
    margin-bottom: 1rem;
    color: var(--text-color);
    font-style: italic;
}
.testimonial-card cite {
    font-weight: 700;
    color: var(--dark-color);
    font-style: normal;
}

/* ======== FAQ (Acordeón) ======== */
.faq-container {
    border-top: 1px solid #ddd;
    max-width: 600px; 
    margin-left: auto;  
    margin-right: auto; 
}
.faq-item {
    border-bottom: 1px solid #ddd;
}
.faq-question {
    background: none;
    border: none;
    width: 100%;
    text-align: center;
    padding: 1.5rem 0;
    cursor: pointer;
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--dark-color);
    font-family: var(--font-body);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.faq-question i {
    font-size: 1rem;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}
.faq-item.active .faq-question i {
    transform: rotate(45deg);
}
.faq-answer {
    max-height: 0; 
    overflow: hidden;
    transition: max-height 0.4s ease-out;
}
.faq-answer p {
    padding: 0 1rem 1.5rem 0;
}

/* ======== FOOTER ======== */
footer {
    padding: 5rem 0 3rem 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
}
.footer-col h4 {
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
}
.footer-col p, .footer-col a {
    color: var(--medium-gray);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}
.footer-col a:hover {
    color: var(--primary-color);
}
.footer-col ul {
    list-style: none;
}
.footer-col ul li {
    margin-bottom: 0.5rem;
}
.social-links a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #333;
    color: var(--white-color);
    font-size: 1.1rem;
    margin-right: 0.5rem;
    transition: var(--transition-main);
}
.social-links a:hover {
    background-color: var(--primary-color);
    color: var(--dark-color);
    transform: translateY(-3px);
}
.copyright {
    width: 100%;             
    text-align: center;      
    border-top: 1px solid rgba(255, 255, 255, 0.1); 
    padding-top: 2rem;       
    margin-top: 4rem;        
    color: var(--medium-gray);
    font-size: 0.9rem;
    display: block;
}

.legal-links {
    margin-top: 0.5rem;
    display: inline-block;
}

.legal-links a {
    color: var(--medium-gray);
    margin: 0 10px;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* ======== ANIMACIÓN DE SCROLL (REVEAL) ======== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    visibility: hidden;
    transition: opacity 0.8s ease-out, transform 0.8s ease-out, visibility 0.8s;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
}

@media (min-width: 1024px) {
    .horizontal-scroll-wrapper {
        overflow-x: visible; 
        padding: 0; 
    }

    .horizontal-scroll-content {
        display: grid;
        width: 100%; 
        grid-template-columns: repeat(4, 1fr); 
        gap: 2rem; 
        padding: 0 2rem; /
        justify-content: center;
    }

    .product-card-horizontal {
        width: 100%; 
        margin: 0;
    }
    
    .slideshow-container {
        height: 380px;
    }
}


/* ======== DISEÑO RESPONSIVE ======== */
@media (max-width: 992px) {
    .split-layout {
        grid-template-columns: 1fr;
    }
    .split-layout.reverse-mobile {
        grid-template-areas: 
            "image"
            "content";
    }
    .split-layout.reverse-mobile .split-image { grid-area: image; }
    .split-layout.reverse-mobile .split-content { grid-area: content; }
    
    .map-container { height: 350px; }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    h1 { font-size: 3rem; }
    h2 { font-size: 2.5rem; }
    
    .section-padded { padding: 4rem 0; }
    .container { padding: 0 1.5rem; }
    .container-fluid { padding: 0 1.5rem; }
    
    .hidden-mobile { display: none; }
    
    .fullscreen-nav a {
        font-size: 2.5rem;
    }
    
    .horizontal-scroll-content {
        gap: 1.5rem;
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .social-links {
        justify-content: center;
    }
    
    .contact-buttons-wrapper {
        flex-direction: column;
    }
    .contact-buttons-wrapper .cta-button {
        width: 100%;
        text-align: center;
    }
}
/* ======== DISEÑO RESPONSIVE (MÓVIL) ======== */
@media (max-width: 480px) {
    
    .sticky-header {
        padding: 0 1.5rem; 
    }
    
    .sticky-header .container-fluid {
        padding: 0;
    }

    .logo {
        font-size: 0.85rem;
        
        -webkit-text-stroke: 0.6px currentColor; 
        font-weight: 400; 
        letter-spacing: 0.5px; 
    }
    
    .product-card-horizontal {
        width: 280px;
    }
    
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    
    .fullscreen-nav a { font-size: 2rem; }
}