/* 
  BLOCMAX - Concrete Blocks & Design
  Theme: Modern Industrial Minimalism
*/

:root {
    /* Escala de valores grises (1-14) */
    --gray-1: #1a1a1a;
    --gray-2: #2b2b2b;
    --gray-3: #3d3d3d;
    --gray-4: #4f4f4f;
    --gray-5: #606060;
    --gray-6: #727272;
    --gray-7: #848484;
    --gray-8: #959595;
    --gray-9: #a7a7a7;
    --gray-10: #b9b9b9;
    --gray-11: #cacaca;
    --gray-12: #dcdcdc;
    --gray-13: #ededed;
    --gray-14: #f7f7f7;
    --color-black: #000000;
    --color-white: #ffffff;

    /* Semantic Mappings */
    --color-bg: var(--gray-11); /* Tono más claro de la nueva paleta */
    --color-bg-alt: rgb(117, 117, 117); /* Gris exacto del logo/encabezado */
    --color-surface: var(--gray-10); /* Tarjetas en fondo claro */
    --color-surface-dark: var(--gray-5); /* Tarjetas en fondo oscuro */
    --color-surface-light: var(--gray-11);
    
    --color-accent: #FFD700; /* Vibrant modern yellow */
    --color-accent-hover: #E6C200;
    
    --color-text: #1a1a1a;             /* Negro casi puro — máximo contraste en fondos claros */
    --color-text-muted: #3d3d3d;        /* Gris oscuro — subtítulos y párrafos en fondos claros */
    --color-text-light: #ffffff;        /* Blanco puro — texto en fondos oscuros/grises */
    --color-text-light-muted: #f0f0f0;  /* Blanco ligeramente suave — párrafos en fondos oscuros */
    
    /* Typography */
    --font-main: 'Outfit', sans-serif;
    
    /* Spacing */
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    /* Subtle noise/texture for concrete feel */
    background-image: url('data:image/svg+xml,%3Csvg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"%3E%3Cfilter id="noiseFilter"%3E%3CfeTurbulence type="fractalNoise" baseFrequency="0.8" numOctaves="3" stitchTiles="stitch"/%3E%3C/filter%3E%3Crect width="100%25" height="100%25" filter="url(%23noiseFilter)" opacity="0.03"/%3E%3C/svg%3E');
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section-padding {
    padding: var(--spacing-xxl) 0;
}

.bg-dark {
    background-color: var(--color-bg-alt);
    color: var(--color-text-light);
}

.bg-dark .text-gray {
    color: var(--color-text-light-muted);
}

.text-white {
    color: var(--color-text-light);
}

.text-gray {
    color: var(--color-text-muted);
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Buttons */
.btn-primary, .btn-secondary, .btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.8rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: var(--transition-normal);
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-black); /* Contraste fuerte con amarillo */
    border: 2px solid var(--color-accent);
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.2); /* Resplandor sutil */
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--color-accent);
    border-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.4); /* Resplandor al hacer hover */
}

.btn-secondary {
    background-color: transparent;
    color: inherit;
    border: 2px solid currentColor;
}

.btn-secondary:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.15);
}

.hero .btn-secondary,
.bg-dark .btn-secondary {
    color: var(--color-text-light);
    border-color: var(--color-text-light);
}

.hero .btn-secondary:hover,
.bg-dark .btn-secondary:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.btn-whatsapp {
    background-color: #25D366;
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-whatsapp:hover {
    background-color: #128C7E;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
}

/* Header & Nav */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgb(117, 117, 117); /* Color extraído exactamente del fondo del logo */
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-normal);
}

.header.scrolled {
    padding: 0.5rem 0;
    /* Sin sombras innecesarias según instrucción */
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100px;
}

.logo img {
    height: 70px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 2px;
    color: var(--color-text-light); /* Blanco puro */
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a:not(.btn-primary) {
    font-size: 0.95rem;
    font-weight: 500; /* Un poco más de peso para leerse mejor */
    color: var(--color-text-light); /* Enlaces en texto blanco */
    transition: var(--transition-fast);
    position: relative;
    text-transform: uppercase; /* Opcional, pero da look técnico */
    letter-spacing: 1px;
}

.nav-links a:not(.btn-primary):hover {
    color: var(--color-accent); /* Hover en amarillo para hacer juego con el logo */
}

.nav-links a:not(.btn-primary)::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: var(--transition-normal);
}

.nav-links a:not(.btn-primary):hover::after {
    width: 100%;
}

/* Enlace especial de contacto en el menú */
.nav-links a.nav-cta {
    color: var(--color-accent);
}

.nav-links a.nav-cta::after {
    width: 100%;
    background-color: var(--color-accent);
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text-light); /* Blanco puro */
}

/* Hero Section */
.hero {
    height: 100vh;
    min-height: 600px;
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
}

.hero-bg-image {
    width: 100%;
    height: 120%; /* Altura adicional para permitir el efecto parallax */
    object-fit: cover;
    object-position: center;
    position: absolute;
    top: 0;
    left: 0;
    will-change: transform;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(18, 18, 18, 0.9) 0%, rgba(18, 18, 18, 0.45) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 800px;
}

.hero-content h1 {
    font-size: clamp(3rem, 5vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    color: var(--color-text-light);
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--color-text-light-muted);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.about-text p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-muted);
    font-size: 1.1rem;
}

.about-text strong {
    color: var(--color-text);
}

.stats-container {
    display: flex;
    gap: 2rem;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-accent);
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-muted);
    margin-top: 0.5rem;
}

.about-image {
    position: relative;
}

.about-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100%;
    height: 100%;
    border: 2px solid var(--color-surface-light);
    z-index: -1;
}

.about-image img {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    border-radius: var(--radius-sm);
    filter: grayscale(20%) contrast(1.1);
}

/* Products Section */
.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

@media (min-width: 992px) {
    .products-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.product-card {
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
    background-color: var(--color-surface);
    transition: var(--transition-normal);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4);
    border-color: rgba(255, 255, 255, 0.1);
}

.product-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: var(--transition-slow);
}

.product-card:hover img {
    transform: scale(1.05);
}

/* Gallery Section */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.gallery-card {
    background-color: var(--color-surface);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.gallery-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
    border-color: rgba(255, 255, 255, 0.1);
}

.card-image {
    height: 250px;
    overflow: hidden;
    position: relative;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
    filter: grayscale(30%);
}

.gallery-card:hover .card-image img {
    transform: scale(1.05);
    filter: grayscale(0%);
}

.card-content {
    padding: var(--spacing-lg);
}

.card-content h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.card-content p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* Values Section */
.values {
    background-color: var(--color-bg-alt); /* Color gris extraído del footer */
}

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

.value-card {
    background-color: rgba(0, 0, 0, 0.15); /* Transparencia suave para destacar sobre el gris */
    padding: var(--spacing-xl);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    transition: var(--transition-normal);
}

.value-card:hover {
    background-color: rgba(0, 0, 0, 0.25);
    border-color: var(--color-accent);
}

.icon-wrapper {
    width: 80px;
    height: 80px;
    background-color: rgba(245, 176, 65, 0.1);
    color: var(--color-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto var(--spacing-md);
    transition: var(--transition-normal);
}

.value-card:hover .icon-wrapper {
    background-color: var(--color-accent);
    color: var(--color-bg);
}

.value-card h3 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-light);
}

.value-card p {
    color: var(--color-text-light-muted);
    font-size: 1.1rem;
}

/* Contact CTA */
.contact-cta {
    background-color: var(--color-surface);
    text-align: center;
    padding: var(--spacing-xxl) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.cta-content p {
    color: var(--color-text-muted);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Footer */
.footer {
    background-color: var(--color-bg-alt);
    padding-top: var(--spacing-xl);
}

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

.footer-brand img {
    height: 40px;
    margin-bottom: var(--spacing-sm);
}

.footer-brand .slogan {
    color: var(--color-text-light-muted);
    font-style: italic;
    margin-top: var(--spacing-sm);
}

.footer-links h4, .footer-social h4 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-light);
}

.footer-links a {
    display: block;
    color: var(--color-text-light-muted);
    margin-bottom: 0.5rem;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-accent);
}

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icons a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--color-surface-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
    transition: var(--transition-normal);
}

.social-icons a:hover {
    background-color: var(--color-accent);
    color: var(--color-bg-alt);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--color-text-light-muted);
    font-size: 0.9rem;
}

/* Location Section */
.location-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-xl);
    align-items: center;
    background-color: rgba(0, 0, 0, 0.15);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.location-info h3 {
    font-size: 1.8rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.location-info p {
    color: var(--color-text-light-muted);
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.location-info .address {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.location-info .address i {
    margin-right: 0.5rem;
}

.location-info .contact-details p {
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.location-info .contact-details i {
    color: var(--color-accent);
    margin-right: 0.5rem;
    width: 20px;
}

.location-info .contact-details a {
    transition: var(--transition-fast);
}

.location-info .contact-details a:hover {
    color: var(--color-accent);
}

.map-container {
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 2px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.map-container iframe {
    display: block;
    filter: grayscale(30%) invert(90%) hue-rotate(180deg); /* Dark industrial map filter */
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

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

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }

/* Sutil animación de flotación para los iconos de valores */
@keyframes floatIcon {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
    100% { transform: translateY(0px); }
}

.value-card .icon-wrapper {
    animation: floatIcon 4s ease-in-out infinite;
}

.value-card.delay-1 .icon-wrapper {
    animation-delay: 2s;
}

/* Responsive Design */
@media (max-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
    .about-image {
        order: -1;
        margin-bottom: var(--spacing-lg);
    }
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .location-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        padding: var(--spacing-lg);
    }
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .navbar {
        height: 70px;
    }
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--color-bg);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: var(--transition-normal);
    }
    .nav-links.active {
        left: 0;
    }
    .menu-toggle {
        display: block;
    }
    .gallery-grid, .values-grid, .products-grid {
        grid-template-columns: 1fr;
    }
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .social-icons {
        justify-content: center;
    }
    
    /* Responsive Hero adjustments */
    .hero {
        flex-direction: column;
        justify-content: center;
        height: auto;
        min-height: auto;
        padding: 140px 0 60px 0;
        background-color: var(--gray-1); /* Fondo oscuro para el texto */
    }
    .hero-bg-wrapper {
        position: relative;
        width: 100%;
        height: 350px;
        order: 2;
        margin-top: var(--spacing-lg);
        border-radius: var(--radius-md);
        overflow: hidden;
    }
    .hero-bg-image {
        position: relative;
        height: 100%;
        top: 0;
        transform: none !important;
    }
    .hero-overlay {
        background: linear-gradient(180deg, rgba(18, 18, 18, 0) 0%, rgba(18, 18, 18, 0.8) 100%);
    }
    .hero-content {
        order: 1;
        padding: 0 var(--spacing-lg);
    }
    .hero-content h1 {
        font-size: 2.5rem;
    }
    .stats-container {
        flex-direction: column;
        gap: 1rem;
    }
}