:root {
            --primary-color: #2c3e50; /* Gris oscuro elegante */
            --secondary-color: #7b8a8b; /* Gris medio */
            --accent-color: #95a5a6; /* Gris claro */
            --stone-color: #d5dbdb; /* Color piedra */
            --dark-color: #1a252f;
            --light-color: #f8f9fa;
            --text-color: #34495e;
            --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        html {
            scroll-behavior: smooth;
        }
        
        body {
            font-family: 'Inter', sans-serif;
            line-height: 1.7;
            color: var(--text-color);
            background-color: var(--light-color);
            overflow-x: hidden;
        }
        
        h1, h2, h3, h4 {
            font-family: 'Montserrat', sans-serif;
            font-weight: 600;
            line-height: 1.2;
            margin-bottom: 1.2rem;
        }
        
        h1 {
            font-size: 3.8rem;
            letter-spacing: -0.5px;
        }
        
        h2 {
            font-size: 2.8rem;
            color: var(--primary-color);
            position: relative;
            padding-bottom: 15px;
        }
        
        h2:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
        }
        
        .section-title-center h2:after {
            left: 50%;
            transform: translateX(-50%);
        }
        
        h3 {
            font-size: 1.8rem;
            color: var(--dark-color);
        }
        
        h4 {
            font-size: 1.4rem;
            color: var(--secondary-color);
        }
        
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            color: var(--text-color);
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        section {
            padding: 100px 0;
            position: relative;
        }
        
        .section-title-center {
            text-align: center;
            margin-bottom: 60px;
        }
        
        .btn {
            display: inline-block;
            background: linear-gradient(135deg, var(--primary-color), var(--dark-color));
            color: white;
            padding: 16px 36px;
            border-radius: 4px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1rem;
            text-transform: uppercase;
            letter-spacing: 1.2px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: var(--shadow);
            position: relative;
            overflow: hidden;
        }
        
        .btn:before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
            transition: 0.5s;
        }
        
        .btn:hover:before {
            left: 100%;
        }
        
        .btn:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
        }
        
        .btn-secondary {
            background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
        }
        
        .btn-outline {
            background: transparent;
            border: 2px solid var(--primary-color);
            color: var(--primary-color);
        }
        
        .btn-outline:hover {
            background-color: var(--primary-color);
            color: white;
        }
        
        /* Header & Navigation */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background-color: rgba(255, 255, 255, 0.98);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
            transition: var(--transition);
            padding: 15px 0;
        }
        
        .header-scrolled {
            padding: 10px 0;
        }
        
        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            display: flex;
            flex-direction: column;
            position: relative;
        }
        
        .logo h1 {
            font-size: 2rem;
            color: var(--primary-color);
            margin-bottom: 0;
            letter-spacing: -0.5px;
        }
        
        .logo span {
            font-size: 0.85rem;
            color: var(--secondary-color);
            font-family: 'Inter', sans-serif;
            font-weight: 400;
            letter-spacing: 2px;
            text-transform: uppercase;
        }
        
        nav ul {
            display: flex;
            list-style: none;
        }
        
        nav ul li {
            margin-left: 40px;
        }
        
        nav ul li a {
            text-decoration: none;
            color: var(--text-color);
            font-weight: 500;
            font-size: 1rem;
            transition: var(--transition);
            position: relative;
            padding: 5px 0;
        }
        
        nav ul li a:hover {
            color: var(--primary-color);
        }
        
        nav ul li a:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--primary-color);
            transition: var(--transition);
        }
        
        nav ul li a:hover:after {
            width: 100%;
        }
        
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary-color);
            cursor: pointer;
            z-index: 1001;
        }
        
        /* Hero Section */
        .hero {
            height: 100vh;
            background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('/images/image1.jpg');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            color: white;
            display: flex;
            align-items: center;
            text-align: center;
            position: relative;
        }
        
        .hero-content {
            max-width: 900px;
            margin: 0 auto;
        }
        
        .hero h1 {
            font-size: 4.2rem;
            margin-bottom: 25px;
            color: white;
            text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
        }
        
        .hero p {
            font-size: 1.4rem;
            margin-bottom: 40px;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
            color: rgba(255, 255, 255, 0.9);
            font-weight: 300;
        }
        
        /* About Section */
        .about {
            background-color: white;
            position: relative;
        }
        
        .about:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="none"/><path d="M0,50 L100,50" stroke="%23f1f3f4" stroke-width="0.5"/><path d="M50,0 L50,100" stroke="%23f1f3f4" stroke-width="0.5"/></svg>');
            opacity: 0.3;
            z-index: 0;
        }
        
        .about-content {
            display: flex;
            align-items: center;
            gap: 60px;
            margin-top: 40px;
            position: relative;
            z-index: 1;
        }
        
        .about-text {
            flex: 1;
        }
        
        .about-image {
            flex: 1;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        
        .about-image:hover {
            transform: scale(1.02);
        }
        
        .about-image img {
            width: 100%;
            height: auto;
            display: block;
            transition: var(--transition);
        }
        
        .highlight-box {
            background-color: var(--light-color);
            padding: 30px;
            border-radius: 8px;
            margin-top: 30px;
            border-left: 5px solid var(--primary-color);
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
        }
        
        /* Materials Section */
        .materials {
            background-color: #f8f9fa;
            position: relative;
        }
        
        .materials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 40px;
            margin-top: 50px;
        }
        
        .material-card {
            background-color: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
        }
        
        .material-card:hover {
            transform: translateY(-15px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
        }
        
        .material-image {
            height: 250px;
            overflow: hidden;
        }
        
        .material-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        
        .material-card:hover .material-image img {
            transform: scale(1.05);
        }
        
        .material-content {
            padding: 30px;
        }
        
        .material-content h3 {
            margin-bottom: 15px;
            color: var(--primary-color);
        }
        
        .material-features {
            list-style: none;
            margin-top: 20px;
        }
        
        .material-features li {
            margin-bottom: 10px;
            padding-left: 25px;
            position: relative;
        }
        
        .material-features li:before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--primary-color);
            font-weight: bold;
        }
        
        /* Services Section */
        .services {
            background-color: white;
        }
        
        .services-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }
        
        .service-card {
            background-color: white;
            border-radius: 8px;
            padding: 40px 30px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border-top: 4px solid transparent;
        }
        
        .service-card:hover {
            transform: translateY(-10px);
            border-top: 4px solid var(--primary-color);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
        }
        
        .service-icon {
            width: 80px;
            height: 80px;
            background-color: var(--light-color);
            color: var(--primary-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.5rem;
            margin: 0 auto 25px;
            transition: var(--transition);
        }
        
        .service-card:hover .service-icon {
            background-color: var(--primary-color);
            color: white;
        }
        
        /* Contact Section */
        .contact {
            background-color: var(--light-color);
        }
        
        .contact-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 60px;
            margin-top: 50px;
        }
        
        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        
        .contact-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
        }
        
        .contact-icon {
            background-color: white;
            color: var(--primary-color);
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            flex-shrink: 0;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .contact-details h4 {
            margin-bottom: 8px;
            font-size: 1.3rem;
            color: var(--primary-color);
        }
        
        .contact-details p, .contact-details a {
            color: var(--text-color);
            text-decoration: none;
            transition: var(--transition);
        }
        
        .contact-details a:hover {
            color: var(--primary-color);
        }
        
        .hours-table {
            width: 100%;
            margin-top: 10px;
            border-collapse: collapse;
        }
        
        .hours-table tr {
            border-bottom: 1px solid #eee;
        }
        
        .hours-table td {
            padding: 10px 0;
        }
        
        .hours-table td:last-child {
            font-weight: 600;
            color: var(--primary-color);
        }
        
        .contact-options {
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin-top: 30px;
        }
        
        .contact-option {
            background-color: white;
            padding: 25px;
            border-radius: 8px;
            text-align: center;
            transition: var(--transition);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .contact-option:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .contact-option i {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 15px;
        }
        
        .contact-option h3 {
            margin-bottom: 10px;
            font-size: 1.5rem;
        }
        
        /* Map */
        .map-container {
            margin-top: 50px;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: var(--shadow);
            height: 450px;
        }
        
        /* Footer */
        footer {
            background-color: var(--dark-color);
            color: white;
            padding: 80px 0 30px;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 50px;
            margin-bottom: 50px;
        }
        
        .footer-logo h3 {
            color: white;
            font-size: 2rem;
            margin-bottom: 15px;
        }
        
        .footer-logo p {
            margin-top: 10px;
            opacity: 0.8;
            color: rgba(255, 255, 255, 0.7);
        }
        
        .footer-links h4,
        .footer-social h4 {
            color: white;
            margin-bottom: 25px;
            font-size: 1.3rem;
        }
        
        .footer-links ul {
            list-style: none;
        }
        
        .footer-links ul li {
            margin-bottom: 12px;
        }
        
        .footer-links ul li a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: var(--transition);
            display: inline-block;
        }
        
        .footer-links ul li a:hover {
            color: white;
            transform: translateX(5px);
        }
        
        .social-icons {
            display: flex;
            gap: 15px;
        }
        
        .social-icons a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 45px;
            height: 45px;
            background-color: rgba(255, 255, 255, 0.1);
            color: white;
            border-radius: 50%;
            text-decoration: none;
            transition: var(--transition);
            font-size: 1.2rem;
        }
        
        .social-icons a:hover {
            background-color: var(--primary-color);
            transform: translateY(-5px);
        }
        
        .copyright {
            text-align: center;
            padding-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.95rem;
            opacity: 0.7;
            color: rgba(255, 255, 255, 0.7);
        }
        
        /* Responsive Design */
        @media (max-width: 1200px) {
            h1 {
                font-size: 3.2rem;
            }
            
            h2 {
                font-size: 2.4rem;
            }
            
            .hero h1 {
                font-size: 3.5rem;
            }
        }
        
        @media (max-width: 992px) {
            .about-content {
                flex-direction: column;
            }
            
            .materials-grid {
                grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            }
        }
        
        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }
            
            nav ul {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background-color: white;
                flex-direction: column;
                align-items: flex-start;
                justify-content: flex-start;
                padding: 100px 40px 40px;
                transition: var(--transition);
                box-shadow: -5px 0 25px rgba(0, 0, 0, 0.1);
                z-index: 1000;
            }
            
            nav ul.active {
                right: 0;
            }
            
            nav ul li {
                margin: 0 0 25px 0;
                width: 100%;
            }
            
            nav ul li a {
                font-size: 1.2rem;
                display: block;
                padding: 10px 0;
            }
            
            .hero h1 {
                font-size: 2.8rem;
            }
            
            .hero p {
                font-size: 1.2rem;
            }
            
            section {
                padding: 70px 0;
            }
            
            .contact-container {
                grid-template-columns: 1fr;
                gap: 40px;
            }
        }
        
        @media (max-width: 576px) {
            h1 {
                font-size: 2.5rem;
            }
            
            h2 {
                font-size: 2rem;
            }
            
            .hero h1 {
                font-size: 2.3rem;
            }
            
            .btn {
                padding: 14px 28px;
                font-size: 0.9rem;
            }
            
            .materials-grid {
                grid-template-columns: 1fr;
            }
            
            .services-container {
                grid-template-columns: 1fr;
            }
        }