/* =========================================
   PARTE 1: VARIABLES Y NAVEGACIÓN
   ========================================= */
:root {
    --primary: #fffb00;    /* Amarillo Suminix */
    --dark: #000000;       /* Negro absoluto */
    --dark-soft: #0d0d0d;  /* Gris industrial oscuro */
    --text-white: #ffffff;
    --text-gray: #b0b0b0;
    --transition-slow: all 1.2s cubic-bezier(0.25, 1, 0.5, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, sans-serif;
}

html {
    scroll-behavior: smooth;
    background-color: var(--dark);
}

body {
    background-color: var(--dark);
    color: var(--text-white);
    overflow-x: hidden;
}

/* --- BARRA DE NAVEGACIÓN --- */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    height: 80px;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 5%;
    z-index: 3000;
    border-bottom: 2px solid var(--primary);
}

.logo-container {
    height: 100%;
    display: flex;
    align-items: center;
}

.logo-img {
    height: 55px;    /* Altura fija optimizada */
    width: auto;     /* EVITA DEFORMACIÓN: El ancho se ajusta solo */
    object-fit: contain;
    transition: transform 0.3s ease;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 35px;
}

.nav-links li a {
    color: var(--text-white);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: color 0.3s;
}

.nav-links li a:hover { color: var(--primary); }

.telefono {
    text-decoration: none;
    background: var(--primary);
    color: #000;
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: 800;
}




/* =========================================
   1. DEFINICIÓN DE ANIMACIONES (KEYFRAMES)
   ========================================= */

/* Entrada desde arriba con desenfoque */
@keyframes entradaTitulo {
    from { opacity: 0; transform: translateY(-50px); filter: blur(10px); }
    to { opacity: 1; transform: translateY(0); filter: blur(0); }
}

/* Expansión de la palabra Industrial */
@keyframes revelarIndustrial {
    from { opacity: 0; letter-spacing: 0px; }
    to { opacity: 0.7; letter-spacing: 20px; }
}

/* Deslizamiento lateral para el eslogan */
@keyframes esloganEntrada {
    from { opacity: 0; transform: translateX(-30px); }
    to { opacity: 1; transform: translateX(0); }
}

/* Aparición suave para botones */
@keyframes botonesFade {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* =========================================
   2. APLICACIÓN AL HERO (INICIO)
   ========================================= */

/* =========================================
   TIPOGRAFÍA PROFESIONAL DE VANGUARDIA
   ========================================= */

.hero-overlay {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

/* SUMINIX: Sólido, imponente y minimalista */
/* =========================================
   SUMINIX INDUSTRIAL - ESTILO DE ALTO IMPACTO
   ========================================= */

.glitch-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    perspective: 1000px;
}

/* SUMINIX: Sólido, imponente y rápido */
.glitch-text .top {
    font-size: clamp(4rem, 15vw, 9.5rem);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -4px; /* Letras compactas para look agresivo */
    color: #ffffff;
    line-height: 0.8;
    margin-bottom: 5px;
    
    /* ANIMACIÓN RÁPIDA (0.6s) */
    opacity: 0;
    transform: scale(1.1) translateY(20px);
    filter: blur(10px);
    animation: revealQuick 0.6s cubic-bezier(0.23, 1, 0.32, 1) forwards;
}

/* INDUSTRIAL: El detalle técnico extendido */
.glitch-text .bottom {
    font-size: clamp(0.75rem, 2.5vw, 1.3rem);
    font-weight: 300;
    color: var(--primary); /* Tu amarillo #fffb00 */
    text-transform: uppercase;
    
    /* Estilo de vanguardia: mucho espacio entre letras */
    letter-spacing: 1.8em; 
    margin-left: 1.8em; /* Compensa el espacio final para centrar */
    
    /* ANIMACIÓN RÁPIDA (0.6s con ligero retraso) */
    opacity: 0;
    transform: translateY(10px);
    animation: revealIndustrial 0.6s ease-out forwards 0.3s;
}

/* --- KEYFRAMES ACELERADOS --- */

@keyframes revealQuick {
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
        filter: blur(0);
    }
}

@keyframes revealIndustrial {
    to {
        opacity: 0.8;
        transform: translateY(0);
    }
}

/* ESLOGAN: Entrada corta desde la izquierda */
.hero p {
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 6px;
    color: rgba(255, 255, 255, 0.4);
    text-transform: uppercase;
    margin-top: 40px;
    border-left: 2px solid var(--primary);
    padding: 5px 15px;
    
    opacity: 0;
    animation: slideInFast 0.5s ease-out forwards 0.7s;
}

@keyframes slideInFast {
    from { opacity: 0; transform: translateX(-20px); }
    to { opacity: 1; transform: translateX(0); }
}


/* Grupo de Botones */
.hero-buttons {
    margin-top: 50px;
    display: flex;
    gap: 20px;
    justify-content: center;
    /* Animación con retraso */
    opacity: 0;
    animation: botonesFade 1.2s ease-out forwards 1.4s;
}

/* =========================================
   3. EFECTO EXTRA: ZOOM EN EL FONDO (KEN BURNS)
   ========================================= */
.hero {
    height: 100vh;
    width: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden; /* Evita que el zoom se salga de la pantalla */
    background: #000;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.8)), 
                url('imagenes/fondo.png') no-repeat center center;
    background-size: cover;
    z-index: 1;
    /* Animación de zoom lento infinita */
    animation: zoomFondo 20s infinite alternate linear;
}

@keyframes zoomFondo {
    from { transform: scale(1); }
    to { transform: scale(1.1); }
}

.hero-overlay {
    position: relative;
    z-index: 2; /* Asegura que el texto esté sobre el fondo animado */
}



/* =========================================
   ESTILO DE BOTONES (TECH MINIMAL)
   ========================================= */

.hero-buttons {
    display: flex;
    gap: 25px;
    justify-content: center;
    margin-top: 50px;
    /* Animación de entrada vinculada al resto del Hero */
    opacity: 0;
    animation: botonesFade 1.2s ease-out forwards 1.4s;
}

.btn {
    padding: 14px 40px;
    font-size: 0.75rem;      /* Texto pequeño = Más elegante */
    font-weight: 700;
    letter-spacing: 4px;     /* Mucho aire entre letras */
    text-transform: uppercase;
    text-decoration: none;
    border-radius: 0px;      /* Esquinas rectas industriales */
    position: relative;
    transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    cursor: pointer;
    display: inline-block;
    overflow: hidden;        /* Para el efecto de brillo interno */
}

/* --- BOTÓN PRIMARIO: SÓLIDO AMARILLO --- */
.btn-primary {
    background-color: var(--primary); /* El amarillo #fffb00 */
    color: #000000;
    border: 1px solid var(--primary);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--primary);
    box-shadow: 0 0 20px rgba(255, 251, 0, 0.4); /* Brillo amarillo */
    transform: translateY(-3px);
}

/* --- BOTÓN SECUNDARIO: GHOST (FANTASMA) --- */
.btn-secondary {
    background-color: transparent;
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
    background-color: rgba(255, 251, 0, 0.05);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4);
}

/* --- EFECTO DE RAYO DE LUZ AL HOVER (EXTRA) --- */
.btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: 0.5s;
    transform: skewX(-20deg);
}

.btn:hover::after {
    left: 150%;
}

/* --- ANIMACIÓN DE ENTRADA (Sincronizada) --- */
@keyframes botonesFade {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}







/* =========================================
   SECCIÓN NOSOTROS - DARK VANGUARD
   ========================================= */
.nosotros-premium {
    background-color: #000;
    padding: 120px 5%;
    overflow: hidden;
}

.container-nosotros {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 100px;
    align-items: center;
}

/* --- LADO VISUAL (IMAGEN) --- */
.nosotros-visual {
    position: relative;
    padding-right: 40px;
}

.image-frame {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 5; /* PROPORCIÓN FIJA: NUNCA SE DEFORMA */
    overflow: hidden;
    border: 1px solid rgba(255, 251, 0, 0.1);
}

.image-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* CLAVE: Llena el espacio sin estirarse */
    filter: grayscale(1) contrast(1.1); /* Estilo técnico */
    transition: transform 1.5s cubic-bezier(0.25, 1, 0.5, 1), filter 0.8s ease;
}

.nosotros-visual:hover img {
    filter: grayscale(0.2) contrast(1);
    transform: scale(1.1);
}

/* Cuadro de Experiencia Moderno */
.experience-card {
    position: absolute;
    bottom: -30px;
    right: 0;
    background: #fffb00; /* Tu Amarillo */
    color: #000;
    padding: 30px;
    min-width: 200px;
    box-shadow: 20px 20px 60px rgba(0,0,0,0.5);
    z-index: 10;
}

.experience-card .number {
    font-size: 3.5rem;
    font-weight: 900;
    display: block;
    line-height: 1;
}

.experience-card .text {
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* --- LADO DE TEXTO --- */
.tagline {
    color: #fffb00;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 6px;
    font-size: 0.75rem;
    margin-bottom: 20px;
    display: block;
}

.nosotros-content h2 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    line-height: 1;
    margin-bottom: 30px;
    color: #fff;
    text-transform: uppercase;
}

.description {
    color: #888;
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 40px;
}

/* Estadísticas Industriales */
.metrics-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.metric-item h4 {
    font-size: 2rem;
    color: #fff;
    margin-bottom: 5px;
}

.metric-item span {
    color: #fffb00;
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* --- ANIMACIONES DE REVELADO (1.2S) --- */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 1.2s cubic-bezier(0.25, 1, 0.5, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Retrasos específicos */
.nosotros-visual { transition-delay: 0.2s; }
.nosotros-content { transition-delay: 0.4s; }

/* Móvil */
@media (max-width: 992px) {
    .container-nosotros { grid-template-columns: 1fr; gap: 60px; }
    .nosotros-visual { padding-right: 0; }
    .experience-card { right: 50%; transform: translateX(50%); bottom: -20px; }
}






/* =========================================
   1. VARIABLES Y CONFIGURACIÓN BASE
   ========================================= */
:root {
    --primary: #fffb00;    /* Amarillo Suminix */
    --dark-nav: #000000;   /* Negro para Navbar */
    --bg-white: #ffffff;   /* Blanco para Productos */
    --text-dark: #1a1a1a;
    --text-gray: #666666;
    --transition-premium: all 1.2s cubic-bezier(0.25, 1, 0.5, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, sans-serif;
}

body {
    background-color: #000; /* Fondo general oscuro */
    color: #fff;
    overflow-x: hidden;
}

/* =========================================
   2. NAVBAR (SIEMPRE NEGRA)
   ========================================= */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    height: 80px;
    background: var(--dark-nav); /* Color negro sólido */
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 5%;
    z-index: 3000;
    border-bottom: 2px solid var(--primary);
}

.logo-img {
    height: 50px;
    width: auto;
    object-fit: contain; /* Evita deformación del logo */
}

.nav-links li a {
    color: #ffffff;
    text-decoration: none;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1px;
}

.nav-links li a:hover {
    color: var(--primary);
}

/* =========================================
   3. ÁREA DE PRODUCTOS (ÚNICAMENTE BLANCO)
   ========================================= */
#productos {
    background-color: var(--bg-white) !important; /* Fondo blanco forzado */
    padding: 100px 5%;
    color: var(--text-dark); /* Texto oscuro para que se lea en blanco */
}

#productos .section-title {
    color: var(--text-dark);
    text-align: center;
    margin-bottom: 50px;
    font-size: 2.5rem;
    font-weight: 800;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}

/* Tarjetas de producto */
.card {
    background: #f9f9f9; /* Gris muy tenue para contraste */
    padding: 25px;
    border-radius: 8px;
    border: 1px solid #eee;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-premium);
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    border-color: var(--primary);
}

/* Imagen del Producto (Protección total) */
.card img {
    width: 100%;
    height: 200px;
    object-fit: contain; /* NO SE DEFORMA */
    background: #ffffff;
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 4px;
}

.card h3 {
    color: var(--text-dark);
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.card p {
    color: var(--text-gray);
    font-size: 0.9rem;
}

/* =========================================
   VENTANA MODAL - PROTECCIÓN DE FORMATO
   ========================================= */
.modal {
    display: none; /* Se activa con flex desde JS */
    position: fixed;
    z-index: 5000;
    left: 0; top: 0;
    width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    align-items: center; 
    justify-content: center;
}

.modal-content {
    background: #ffffff;
    width: 90%;
    max-width: 950px; /* Tamaño óptimo profesional */
    height: auto;
    max-height: 85vh; /* Evita que se salga de la pantalla */
    display: flex;
    flex-direction: row; /* Imagen izq, texto der */
    border-radius: 8px;
    overflow: hidden; /* Importante para que nada se salga */
    box-shadow: 0 30px 60px rgba(0,0,0,0.5);
    border: 1px solid rgba(0,0,0,0.1);
}

/* --- ÁREA DE IMAGEN (SIN DEFORMACIÓN) --- */
.modal-image-container {
    width: 45%; 
    min-width: 300px; /* Evita que la imagen se haga muy flaca */
    background: #fdfdfd;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    border-right: 1px solid #eee;
}

#modal-img {
    max-width: 100%;
    max-height: 100%;
    width: auto;      /* Mantiene proporción real */
    height: auto;     /* Mantiene proporción real */
    object-fit: contain; /* SEGURO TOTAL CONTRA ESTIRAMIENTO */
}

/* --- ÁREA DE INFORMACIÓN --- */
.modal-info {
    width: 55%;
    padding: 40px;
    background: #ffffff;
    overflow-y: auto; /* Scroll solo si el texto es muy largo */
    display: flex;
    flex-direction: column;
}

#modal-title {
    font-size: 1.6rem;
    font-weight: 800;
    color: #000;
    margin-bottom: 10px;
    text-transform: uppercase;
}

#modal-desc {
    font-size: 0.95rem;
    color: #555;
    line-height: 1.5;
    margin-bottom: 20px;
}

/* Caja de especificaciones técnica */
.modal-specs {
    background: #f9f9f9;
    padding: 20px;
    border-left: 4px solid var(--primary);
}

#modal-list {
    margin: 0;
    padding: 0;
}

#modal-list li {
    list-style: none;
    font-size: 0.9rem;
    padding: 6px 0;
    border-bottom: 1px solid #eee;
    color: #333;
}

/* Botón de Cerrar */
/* =========================================
   ESTILO DE BOTONES - SUMINIX PREMIUM
   ========================================= */

/* --- 1. BOTONES DEL HERO (INICIO) --- */
.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 40px;
}

.btn {
    padding: 14px 35px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    text-decoration: none;
    border-radius: 4px; /* Look técnico */
    transition: all 0.5s cubic-bezier(0.25, 1, 0.5, 1);
    cursor: pointer;
    display: inline-block;
}

.btn-primary {
    background-color: var(--primary); /* Amarillo #fffb00 */
    color: #000;
    border: 1px solid var(--primary);
}

.btn-primary:hover {
    background: transparent;
    color: var(--primary);
    box-shadow: 0 0 20px rgba(255, 251, 0, 0.4);
    transform: translateY(-5px);
}

.btn-secondary {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(255, 251, 0, 0.05);
}

/* --- 2. BOTÓN COTIZAR (DENTRO DEL MODAL) --- */
.btn-cotizar-modal {
    display: block;
    width: 100%;
    background-color: #25D366; /* Verde WhatsApp */
    color: white;
    text-align: center;
    padding: 16px;
    text-decoration: none;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
    border-radius: 8px;
    margin-top: 30px;
    transition: all 0.4s ease;
    box-shadow: 0 10px 20px rgba(37, 211, 102, 0.2);
}

.btn-cotizar-modal:hover {
    background-color: #128C7E;
    transform: scale(1.02);
    box-shadow: 0 15px 30px rgba(37, 211, 102, 0.4);
}

/* --- 3. BOTÓN CERRAR MODAL (X) --- */
.close-button {
    position: absolute;
    right: 25px;
    top: 15px;
    font-size: 35px;
    font-weight: 300; /* Más fina = más moderna */
    color: #333;
    cursor: pointer;
    transition: var(--transition-slow);
    line-height: 1;
}

.close-button:hover {
    color: #ff0000;
    transform: rotate(90deg); /* Efecto moderno al cerrar */
}

/* --- 4. BOTÓN WHATSAPP CONTACTO (SECCIÓN FINAL) --- */
.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    background-color: #000; /* Negro para estilo vanguardia */
    color: #fff;
    border: 2px solid var(--primary);
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    transition: var(--transition-slow);
}

.btn-whatsapp:hover {
    background-color: var(--primary);
    color: #000;
    transform: translateX(10px);
}



/* =========================================
   5. SISTEMA REVEAL (JS ANIMATION)
   ========================================= */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    visibility: hidden;
    transition: var(--transition-premium);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
}



/* =========================================
   SERVICIOS - ESTILO BLANCO PROFESIONAL
   ========================================= */
.servicios-seccion-blanca {
    background-color: #ffffff; /* Fondo blanco puro */
    padding: 120px 5%;
}

.container-servicios {
    max-width: 1100px;
    margin: 0 auto;
}

.fila-servicio {
    display: flex;
    align-items: center;
    gap: 80px;
    margin-bottom: 120px;
}

/* Invierte el orden para el efecto Zig-Zag */
.fila-servicio.invertida {
    flex-direction: row-reverse;
}

/* --- TEXTO --- */
.servicio-texto {
    flex: 1;
}

.servicio-tag {
    color: var(--primary); /* El amarillo Suminix */
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 3px;
    font-size: 0.75rem;
    display: block;
    margin-bottom: 15px;
}

.servicio-texto h3 {
    font-size: 2.2rem;
    font-weight: 900;
    color: #000;
    margin-bottom: 20px;
    text-transform: uppercase;
    line-height: 1.1;
}

.servicio-texto p {
    color: #555;
    font-size: 1.1rem;
    line-height: 1.8;
}

/* --- IMAGEN (SOLUCIÓN A DEFORMACIÓN) --- */
.servicio-imagen {
    flex: 1;
}

.marco-industrial {
    width: 100%;
    aspect-ratio: 16 / 9; /* PROPORCIÓN PROFESIONAL: NUNCA SE DEFORMA */
    overflow: hidden;
    border-radius: 4px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
    border-right: 5px solid var(--primary); /* Acento amarillo lateral */
}

.marco-industrial img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Asegura que la imagen llene el cuadro sin estirarse */
    transition: transform 1.2s cubic-bezier(0.25, 1, 0.5, 1);
}

.fila-servicio:hover .marco-industrial img {
    transform: scale(1.1);
}

/* --- RESPONSIVO --- */
@media (max-width: 900px) {
    .fila-servicio, .fila-servicio.invertida {
        flex-direction: column;
        gap: 40px;
        text-align: center;
    }
    
    .servicio-texto h3 {
        font-size: 1.8rem;
    }
}








/* =========================================
   SECCIÓN MARCAS - VANGUARDIA BLANCA
   ========================================= */
.marcas-premium {
    background-color: #ffffff; /* Fondo blanco puro */
    padding: 100px 5%;
}

.marcas-wrapper {
    display: grid;
    /* Rejilla inteligente que se adapta sola */
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

/* =========================================
   BLOQUE DE MARCAS (TAMAÑO FIJO)
   ========================================= */
/* =========================================
   BLOQUE DE MARCAS - FORMATO PROTEGIDO
   ========================================= */
.marcas-premium {
    background-color: #ffffff; /* Fondo sólido */
    padding: 100px 5%;
}

.marcas-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 30px;
}

.marca-card {
    background: #ffffff;
    height: 180px;      /* Altura fija para que no salte */
    border: 1px solid #f0f0f0;
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

/* CONTENEDOR SEGURO: Evita que la imagen se corte o deforme */
.marca-card img {
    width: 80%;         /* No deja que el logo toque los bordes laterales */
    height: 60px;       /* Espacio vertical reservado */
    object-fit: contain; /* REGLA DE ORO: No estira, no corta, solo ajusta */
    transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    display: block;
}

.marca-tag {
    position: absolute;
    bottom: 30px;       /* Posición fija dentro del cuadro */
    font-size: 0.7rem;
    font-weight: 800;
    color: #000000;
    text-transform: uppercase;
    letter-spacing: 2px;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

/* --- INTERACCIONES --- */
.marca-card:hover {
    border-color: #fffb00; /* Amarillo Suminix */
    box-shadow: 0 10px 25px rgba(0,0,0,0.05);
}

/* El logo sube sutilmente para revelar el texto sin alterar la tarjeta */
.marca-card:hover img {
    transform: translateY(-15px);
}

.marca-card:hover .marca-tag {
    opacity: 1;
    transform: translateY(0);
}

/* Adaptación para pantallas pequeñas */
@media (max-width: 600px) {
    .marcas-wrapper {
        grid-template-columns: repeat(2, 1fr);
    }
    .marca-card {
        height: 140px;
    }
    .marca-card img {
        height: 45px;
    }
}


/* --- EFECTO ESCALERA (REVEAL) --- */
.marcas-wrapper .marca-card.reveal:nth-child(1) { transition-delay: 0.1s; }
.marcas-wrapper .marca-card.reveal:nth-child(2) { transition-delay: 0.2s; }
.marcas-wrapper .marca-card.reveal:nth-child(3) { transition-delay: 0.3s; }
.marcas-wrapper .marca-card.reveal:nth-child(4) { transition-delay: 0.4s; }
.marcas-wrapper .marca-card.reveal:nth-child(5) { transition-delay: 0.5s; }
.marcas-wrapper .marca-card.reveal:nth-child(6) { transition-delay: 0.6s; }

/* Adaptación para Celulares */
@media (max-width: 600px) {
    .marcas-wrapper {
        grid-template-columns: repeat(2, 1fr); /* 2 logos por fila */
        gap: 15px;
    }
    .marca-card img {
        height: 45px; /* Un poco más pequeños en móvil */
    }
}


/* Fuerza que el título de marcas sea visible en fondo blanco */
#marcas .section-title {
    color: #000000 !important; /* Negro absoluto */
    opacity: 1;                /* Asegura visibilidad */
    text-align: center;
    font-size: 2.5rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 5px;
    margin-bottom: 50px;
    display: block;
    width: 100%;
}

/* Ajuste de la animación Reveal para el título */
#marcas .section-title.reveal {
    opacity: 0; /* Empieza invisible para la animación */
    transform: translateY(30px);
    transition: all 1.2s cubic-bezier(0.25, 1, 0.5, 1);
}

#marcas .section-title.active {
    opacity: 1 !important;
    transform: translateY(0);
}




/* =========================================
   SECCIÓN CONTACTO - DARK VANGUARD
   ========================================= */
.contacto-dark {
    background-color: #000000; /* Fondo Negro Puro */
    padding: 100px 5%;
    border-top: 2px solid #fffb00; /* Línea de acento superior */
}

/* Forzamos el título a blanco para que se vea en el fondo negro */
.contacto-dark .section-title {
    color: #ffffff !important;
    text-align: center;
    margin-bottom: 10px;
    font-size: 2.5rem;
    font-weight: 900;
}

.contacto-sub {
    color: #888;
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
    font-size: 1rem;
    letter-spacing: 1px;
}

.contacto-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 50px;
    max-width: 1100px;
    margin: 0 auto;
}

/* --- TARJETA PRINCIPAL --- */
.contacto-main-card {
    background: #0d0d0d; /* Gris carbón muy oscuro */
    padding: 50px;
    border: 1px solid rgba(255, 251, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.tagline-industrial {
    color: #fffb00;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 4px;
    font-size: 0.7rem;
    display: block;
    margin-bottom: 15px;
}

.contacto-main-card h3 {
    font-size: 2.2rem;
    color: #fff;
    font-weight: 900;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.contacto-main-card p {
    color: #aaa;
    margin-bottom: 35px;
    line-height: 1.6;
}

.btn-wa-industrial {
    display: inline-flex;
    align-items: center;
    background-color: #fffb00; /* Botón Amarillo */
    color: #000;
    padding: 16px 35px;
    text-decoration: none;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.4s ease;
}

.btn-wa-industrial:hover {
    background-color: #25D366; /* Cambia a verde WhatsApp al pasar el mouse */
    color: #fff;
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(37, 211, 102, 0.3);
}

/* --- SIDEBAR DE DATOS --- */
.contacto-sidebar {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 35px;
}

.info-item {
    border-left: 2px solid rgba(255, 251, 0, 0.3);
    padding-left: 20px;
}

.info-item .label {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    font-weight: 800;
    color: #fffb00;
    letter-spacing: 2px;
    margin-bottom: 8px;
}

.info-item .value {
    font-size: 1.1rem;
    color: #fff;
    font-weight: 600;
    text-decoration: none;
    display: block;
}

.info-item a.value:hover {
    color: #fffb00;
    text-decoration: underline;
}

/* --- RESPONSIVO --- */
@media (max-width: 900px) {
    .contacto-grid {
        grid-template-columns: 1fr;
    }
    .contacto-main-card {
        padding: 30px;
        text-align: center;
    }
    .btn-wa-industrial {
        width: 100%;
        justify-content: center;
    }
}