/* Reset y estilos generales */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --aluminum-color: #A8A8A8;
    --primary-color: #2C3E50;
    --secondary-color: #3498DB;
    --accent-color: #F39C12;
    --light-color: #F5F7FA;
    --dark-color: #2C3E50;
    --gray-color: #7F8C8D;
    --success-color: #27AE60;
    --warning-color: #F39C12;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --border-radius: 20px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Montserrat', sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: #f9f9f9;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5 {
    font-family: 'Oswald', sans-serif;
    font-weight: 500;
    line-height: 1.2;
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
}

h3 {
    font-size: 1.8rem;
}

h4 {
    font-size: 1.4rem;
}

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

.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: 'Montserrat', sans-serif;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: #1A252F;
    transform: translateY(-3px);
    box-shadow: 0 15px 25px rgba(44, 62, 80, 0.3);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: white;
}

.btn-secondary:hover {
    background-color: #2980B9;
    transform: translateY(-3px);
    box-shadow: 0 15px 25px rgba(52, 152, 219, 0.3);
}

.btn-catalog {
    background-color: var(--accent-color);
    color: white;
    padding: 16px 40px;
    font-size: 1.1rem;
    font-weight: 600;
}

.btn-catalog:hover {
    background-color: #E67E22;
    transform: translateY(-5px);
    box-shadow: 0 15px 25px rgba(243, 156, 18, 0.3);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}

.section-header h2 {
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background-color: var(--accent-color);
    border-radius: 2px;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--gray-color);
    max-width: 700px;
    margin: 25px auto 0;
}

/* Loader */
.loader-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--primary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader-container.fade-out {
    opacity: 0;
    visibility: hidden;
}

.loader {
    text-align: center;
}

.loader-content {
    position: relative;
    width: 300px;
    height: 200px;
}

.aluminum-frame {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 150px;
    height: 100px;
    border: 8px solid var(--aluminum-color);
    border-radius: 10px;
    animation: framePulse 2s infinite ease-in-out;
}

.frame-horizontal {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 8px;
    background-color: var(--aluminum-color);
    transform: translateY(-50%);
}

.frame-vertical {
    position: absolute;
    left: 50%;
    top: 0;
    width: 8px;
    height: 100%;
    background-color: var(--aluminum-color);
    transform: translateX(-50%);
}

.frame-corner {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 20px;
    height: 20px;
    background-color: var(--accent-color);
    border-radius: 50%;
    animation: cornerGlow 1.5s infinite alternate;
}

.loader-text {
    color: white;
    font-size: 1.3rem;
    font-weight: 600;
    margin-top: 30px;
    letter-spacing: 1px;
    animation: pulseText 1.5s infinite alternate;
}

@keyframes framePulse {
    0%, 100% { 
        border-color: var(--aluminum-color);
        transform: translate(-50%, -50%) scale(1);
    }
    50% { 
        border-color: #D0D0D0;
        transform: translate(-50%, -50%) scale(1.05);
    }
}

@keyframes cornerGlow {
    0% { 
        background-color: var(--accent-color);
        box-shadow: 0 0 5px var(--accent-color);
    }
    100% { 
        background-color: #FFB347;
        box-shadow: 0 0 15px #FFB347;
    }
}

@keyframes pulseText {
    0% { opacity: 0.7; }
    100% { opacity: 1; }
}

/* Navegación */
.navbar {
    background-color: rgba(255, 255, 255, 0.95);
    padding: 18px 0;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    backdrop-filter: blur(10px);
}

.navbar.scrolled {
    padding: 12px 0;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo {
    display: flex;
    align-items: center;
    font-family: 'Oswald', sans-serif;
    font-size: 1.8rem;
    color: var(--primary-color);
    z-index: 1001;
}

.logo i {
    font-size: 2rem;
    margin-right: 10px;
    color: var(--accent-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
}

.nav-menu li {
    margin-left: 20px;
    position: relative;
}

.nav-link {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1rem;
    padding: 8px 0;
    position: relative;
    transition: var(--transition);
    display: flex;
    align-items: center;
}

.nav-link i {
    margin-left: 5px;
    font-size: 0.8rem;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--accent-color);
}

.nav-link:hover i {
    transform: rotate(180deg);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    border-radius: 20px;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* Dropdown Menu */
.has-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: white;
    min-width: 200px;
    border-radius: 10px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 100;
    padding: 10px 0;
}

.dropdown-menu::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 20px;
    border-width: 0 10px 10px 10px;
    border-style: solid;
    border-color: transparent transparent white transparent;
}

.has-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: 12px 20px;
    color: var(--dark-color);
    font-weight: 500;
    transition: var(--transition);
}

.dropdown-menu a:hover {
    background-color: var(--light-color);
    color: var(--primary-color);
    padding-left: 25px;
}

/* Carrito de compras */
.cart-icon-container {
    position: relative;
}

.cart-icon {
    font-size: 1.3rem;
    position: relative;
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background-color: var(--accent-color);
    color: white;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

/* WhatsApp en navegación */
.nav-cta {
    margin-left: 20px;
}

.btn-whatsapp-nav {
    background-color: #25D366;
    color: white;
    padding: 10px 20px;
    border-radius: 30px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.btn-whatsapp-nav:hover {
    background-color: #1DA851;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(37, 211, 102, 0.3);
}

/* Carrito Sidebar */
.cart-sidebar {
    position: fixed;
    top: 0;
    right: -400px;
    width: 380px;
    height: 100%;
    background-color: white;
    box-shadow: -5px 0 25px rgba(0, 0, 0, 0.1);
    z-index: 9999;
    transition: right 0.4s ease;
    display: flex;
    flex-direction: column;
}

.cart-sidebar.active {
    right: 0;
}

.cart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px;
    border-bottom: 1px solid #eee;
}

.cart-header h3 {
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.close-cart {
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--gray-color);
    transition: var(--transition);
}

.close-cart:hover {
    color: var(--primary-color);
    transform: scale(1.1);
}

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

.empty-cart {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray-color);
}

.empty-cart i {
    font-size: 4rem;
    margin-bottom: 20px;
    color: #ddd;
}

.cart-item {
    display: flex;
    padding: 15px 0;
    border-bottom: 1px solid #f0f0f0;
}

.cart-item-img {
    width: 80px;
    height: 80px;
    border-radius: 10px;
    overflow: hidden;
    margin-right: 15px;
    flex-shrink: 0;
}

.cart-item-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cart-item-details {
    flex: 1;
}

.cart-item-title {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.cart-item-price {
    color: var(--secondary-color);
    font-weight: 600;
    margin-bottom: 10px;
}

.cart-item-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

.quantity-btn {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background-color: #f5f5f5;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.quantity-btn:hover {
    background-color: var(--accent-color);
    color: white;
}

.item-quantity {
    font-weight: 600;
    min-width: 30px;
    text-align: center;
}

.remove-item {
    margin-left: auto;
    color: #ff6b6b;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition);
}

.remove-item:hover {
    color: #ff3333;
    transform: scale(1.1);
}

.cart-footer {
    padding: 25px;
    border-top: 1px solid #eee;
}

.cart-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 25px;
    color: var(--primary-color);
}

.total-amount {
    color: var(--secondary-color);
}

.cart-actions {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.btn-clear {
    flex: 1;
    background-color: #f5f5f5;
    color: var(--gray-color);
}

.btn-clear:hover {
    background-color: #e0e0e0;
    color: var(--dark-color);
}

.btn-checkout {
    flex: 2;
    background-color: var(--accent-color);
    color: white;
}

.btn-checkout:hover {
    background-color: #E67E22;
    transform: translateY(-3px);
}

.cart-note {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 15px;
    background-color: #f8f9fa;
    border-radius: 10px;
    font-size: 0.9rem;
    color: var(--gray-color);
}

.cart-note i {
    color: var(--secondary-color);
    margin-top: 2px;
}

/* Hamburguesa */
.hamburger {
    display: none;
    cursor: pointer;
    z-index: 1001;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--primary-color);
    border-radius: 20px;
    transition: all 0.3s ease;
}

.hamburger.active .bar:nth-child(2) {
    opacity: 0;
}

.hamburger.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.hamburger.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 140px 20px 80px;
    max-width: 1400px;
    margin: 0 auto;
    min-height: 100vh;
}

.hero-content {
    flex: 1;
    padding-right: 40px;
    animation: fadeInLeft 1s ease;
}

.hero-title {
    font-size: 3.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.hero-title span {
    display: block;
    color: var(--accent-color);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--gray-color);
    margin-bottom: 40px;
    max-width: 500px;
    line-height: 1.8;
}

.hero-stats {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 5px;
    font-family: 'Oswald', sans-serif;
}

.stat-text {
    font-size: 0.9rem;
    color: var(--gray-color);
    font-weight: 500;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.hero-image {
    flex: 1;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    animation: fadeInRight 1s ease;
    position: relative;
}

.image-slider {
    position: relative;
    height: 500px;
    overflow: hidden;
    border-radius: var(--border-radius);
}

.slider-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease;
}

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

.slider-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slider-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 25px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    transform: translateY(20px);
    opacity: 0;
    transition: var(--transition);
}

.slider-item.active .slider-overlay {
    transform: translateY(0);
    opacity: 1;
    transition-delay: 0.3s;
}

.slider-overlay h3 {
    margin-bottom: 5px;
    font-size: 1.5rem;
}

.slider-overlay p {
    font-size: 1rem;
    opacity: 0.9;
}

.slider-controls {
    position: absolute;
    bottom: 20px;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
}

.slider-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.9);
    border: none;
    color: var(--primary-color);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-btn:hover {
    background-color: white;
    transform: scale(1.1);
}

.slider-dots {
    display: flex;
    gap: 10px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background-color: white;
    transform: scale(1.2);
}

/* Sección Ventajas */
.advantages {
    padding: 100px 20px;
    background-color: var(--light-color);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
}

.advantage-card {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: rgba(52, 152, 219, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 2.5rem;
    color: var(--secondary-color);
}

.advantage-card h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.advantage-card p {
    color: var(--gray-color);
    line-height: 1.7;
}

/* Sección Productos */
.products {
    padding: 100px 20px;
    background-color: white;
}

.product-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 40px;
}

.filter-btn {
    padding: 10px 25px;
    background-color: #f5f5f5;
    border: none;
    border-radius: 30px;
    font-weight: 600;
    color: var(--gray-color);
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn.active, .filter-btn:hover {
    background-color: var(--accent-color);
    color: white;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 40px;
    max-width: 1400px;
    margin: 60px auto 0;
}

.product-card {
    background-color: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s forwards;
}

.product-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.product-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.product-img {
    height: 250px;
    overflow: hidden;
    position: relative;
}

.product-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s ease;
}

.product-card:hover .product-img img {
    transform: scale(1.1);
}

.product-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background-color: var(--secondary-color);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
    z-index: 2;
}

.product-badge.offer {
    background-color: var(--accent-color);
}

.product-quick-view {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.9);
    border: none;
    color: var(--primary-color);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.product-quick-view:hover {
    background-color: white;
    transform: scale(1.1);
}

.product-info {
    padding: 25px;
}

.product-info h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 1.4rem;
}

.product-desc {
    color: var(--gray-color);
    margin-bottom: 20px;
    line-height: 1.6;
    font-size: 0.95rem;
}

.product-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 25px;
    font-size: 0.9rem;
}

.product-specs span {
    display: flex;
    align-items: center;
    gap: 5px;
    color: var(--gray-color);
}

.product-specs i {
    color: var(--accent-color);
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.product-price {
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 5px;
}

.price-from {
    font-size: 0.9rem;
    color: var(--gray-color);
}

.current-price {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
}

.old-price {
    font-size: 1.2rem;
    color: var(--gray-color);
    text-decoration: line-through;
}

.price-unit {
    color: var(--gray-color);
    font-size: 0.9rem;
}

.btn-add-to-cart {
    background-color: var(--secondary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 20px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-add-to-cart:hover {
    background-color: var(--accent-color);
    transform: translateY(-3px);
}

.products-footer {
    text-align: center;
    margin-top: 60px;
}

/* Cotizador Online */
.quote-calculator {
    padding: 100px 20px;
    background-color: var(--light-color);
}

.calculator-container {
    display: flex;
    max-width: 1400px;
    margin: 0 auto;
    gap: 60px;
}

.calculator-form {
    flex: 1;
    background-color: white;
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.calculator-form h3 {
    color: var(--primary-color);
    margin-bottom: 30px;
}

.form-step {
    display: none;
}

.form-step.active {
    display: block;
}

.form-step h4 {
    color: var(--primary-color);
    margin-bottom: 25px;
    padding-bottom: 10px;
    border-bottom: 2px solid #f0f0f0;
}

.product-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.option-card {
    background-color: #f8f9fa;
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.option-card:hover, .option-card.active {
    border-color: var(--secondary-color);
    background-color: rgba(52, 152, 219, 0.05);
}

.option-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: rgba(52, 152, 219, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 1.8rem;
    color: var(--secondary-color);
}

.option-card h5 {
    color: var(--primary-color);
    margin-bottom: 5px;
}

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

.dimension-inputs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.input-group {
    display: flex;
    flex-direction: column;
}

.input-group label {
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--primary-color);
}

.input-group input {
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-family: 'Montserrat', sans-serif;
    font-size: 1rem;
    transition: var(--transition);
}

.input-group input:focus {
    outline: none;
    border-color: var(--secondary-color);
}

.customization-options {
    margin-bottom: 30px;
}

.option-group {
    margin-bottom: 25px;
}

.option-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--primary-color);
}

.color-options {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.color-option {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    border: 3px solid transparent;
    transition: var(--transition);
}

.color-option.active {
    border-color: var(--accent-color);
    transform: scale(1.1);
}

.option-group select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-family: 'Montserrat', sans-serif;
    font-size: 1rem;
    background-color: white;
}

.checkbox-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.checkbox-options label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-weight: normal;
}

.checkbox-options input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--secondary-color);
}

.step-buttons {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
}

.btn-prev {
    background-color: #f5f5f5;
    color: var(--gray-color);
}

.btn-prev:hover {
    background-color: #e0e0e0;
    color: var(--dark-color);
}

.btn-next, .btn-add-quote {
    background-color: var(--secondary-color);
    color: white;
}

.btn-next:hover, .btn-add-quote:hover {
    background-color: #2980B9;
}

.quote-result {
    background-color: #f8f9fa;
    border-radius: 10px;
    padding: 25px;
    margin-bottom: 30px;
}

.result-summary {
    margin-bottom: 25px;
}

.result-summary h5 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid #eee;
}

.summary-item span:first-child {
    font-weight: 600;
    color: var(--primary-color);
}

.summary-item span:last-child {
    color: var(--gray-color);
}

.result-total {
    text-align: center;
    padding: 20px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.total-label {
    font-size: 1rem;
    color: var(--gray-color);
    margin-bottom: 10px;
}

.result-total .total-amount {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 10px;
}

.result-total small {
    color: var(--gray-color);
    font-size: 0.85rem;
}

.calculator-info {
    flex: 1;
}

.calculator-info h3 {
    color: var(--primary-color);
    margin-bottom: 25px;
}

.calculator-info p {
    color: var(--gray-color);
    line-height: 1.7;
    margin-bottom: 30px;
}

.info-card {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
    padding: 20px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.info-icon {
    width: 50px;
    height: 50px;
    background-color: rgba(52, 152, 219, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary-color);
    font-size: 1.3rem;
    flex-shrink: 0;
}

.info-text h4 {
    color: var(--primary-color);
    margin-bottom: 8px;
}

.info-text p {
    color: var(--gray-color);
    font-size: 0.95rem;
    margin: 0;
}

.whatsapp-quote {
    display: flex;
    align-items: center;
    gap: 20px;
    background-color: #25D366;
    color: white;
    padding: 25px;
    border-radius: 10px;
    margin-top: 40px;
}

.whatsapp-quote i {
    font-size: 3rem;
}

.whatsapp-quote h4 {
    margin-bottom: 5px;
}

.btn-whatsapp {
    display: inline-block;
    background-color: white;
    color: #25D366;
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: 600;
    margin-top: 10px;
    transition: var(--transition);
}

.btn-whatsapp:hover {
    background-color: #f0f0f0;
    transform: translateY(-3px);
}

/* Sección Servicios */
.services {
    padding: 100px 20px;
    background-color: white;
}

.services-container {
    max-width: 1400px;
    margin: 0 auto;
}

.service-card {
    display: flex;
    align-items: center;
    gap: 60px;
    margin-bottom: 80px;
}

.service-card.reverse {
    flex-direction: row-reverse;
}

.service-img {
    flex: 1;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.service-img img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform 0.7s ease;
}

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

.service-content {
    flex: 1;
}

.service-content h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 2rem;
}

.service-content p {
    color: var(--gray-color);
    line-height: 1.8;
    margin-bottom: 25px;
    font-size: 1.1rem;
}

.service-content ul {
    list-style: none;
}

.service-content li {
    margin-bottom: 12px;
    color: var(--gray-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.service-content i {
    color: var(--accent-color);
}

/* Sección Proyectos */
.projects {
    padding: 100px 20px;
    background-color: var(--light-color);
}

.projects-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto 60px;
}

.project-item {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    height: 300px;
    box-shadow: var(--shadow);
}

.project-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s ease;
}

.project-item:hover img {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 25px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    transform: translateY(20px);
    opacity: 0;
    transition: var(--transition);
}

.project-item:hover .project-overlay {
    transform: translateY(0);
    opacity: 1;
}

.project-overlay h4 {
    margin-bottom: 5px;
    font-size: 1.3rem;
}

.project-overlay p {
    font-size: 0.95rem;
    opacity: 0.9;
    margin-bottom: 5px;
}

.project-year {
    display: inline-block;
    background-color: var(--accent-color);
    color: white;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.projects-cta {
    text-align: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.projects-cta p {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

/* Sección Contacto */
.contact {
    padding: 100px 20px;
    background-color: white;
}

.contact-container {
    display: flex;
    max-width: 1400px;
    margin: 0 auto;
    gap: 60px;
}

.contact-form {
    flex: 1;
    background-color: white;
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.contact-form h3 {
    color: var(--primary-color);
    margin-bottom: 30px;
}

.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
}

.form-group {
    flex: 1;
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--primary-color);
    font-weight: 600;
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 14px 20px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-family: 'Montserrat', sans-serif;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

.btn-submit {
    background-color: var(--primary-color);
    color: white;
    width: 100%;
    padding: 16px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 10px;
}

.btn-submit:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
}

.form-note {
    text-align: center;
    margin-top: 15px;
    color: var(--gray-color);
    font-size: 0.9rem;
}

.contact-info {
    flex: 1;
}

.contact-info h3 {
    color: var(--primary-color);
    margin-bottom: 30px;
}

.map-container {
    margin-top: 30px;
    border-radius: 10px;
    overflow: hidden;
    height: 200px;
    background-color: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-color);
}

.map-placeholder {
    text-align: center;
}

.map-placeholder i {
    font-size: 3rem;
    margin-bottom: 10px;
    color: var(--secondary-color);
}

/* Botón WhatsApp flotante */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 70px;
    height: 70px;
    background-color: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    box-shadow: 0 5px 25px rgba(37, 211, 102, 0.5);
    z-index: 999;
    transition: var(--transition);
    animation: float 3s ease-in-out infinite;
}

.whatsapp-float:hover {
    background-color: #1DA851;
    transform: scale(1.1);
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* Footer */
.footer {
    background-color: var(--primary-color);
    color: white;
    padding-top: 80px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px 60px;
}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.footer-logo i {
    font-size: 2rem;
    color: var(--accent-color);
    margin-right: 10px;
}

.footer-logo h3 {
    font-family: 'Oswald', sans-serif;
    font-size: 2rem;
}

.footer-section p {
    opacity: 0.8;
    line-height: 1.7;
    margin-bottom: 25px;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    width: 45px;
    height: 45px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: var(--transition);
}

.footer-social a:hover {
    background-color: var(--accent-color);
    transform: translateY(-5px);
}

.footer-section h4 {
    color: white;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
}

.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: var(--accent-color);
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    opacity: 0.8;
    transition: var(--transition);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--accent-color);
    padding-left: 5px;
}

.newsletter-form {
    display: flex;
    margin-top: 20px;
}

.newsletter-form input {
    flex: 1;
    padding: 14px 20px;
    border: none;
    border-radius: 30px 0 0 30px;
    font-family: 'Montserrat', sans-serif;
}

.newsletter-form button {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 0 25px;
    border-radius: 0 30px 30px 0;
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition);
}

.newsletter-form button:hover {
    background-color: #E67E22;
}

.newsletter-note {
    font-size: 0.85rem;
    margin-top: 10px;
    opacity: 0.6;
}

.footer-bottom {
    background-color: rgba(0, 0, 0, 0.2);
    padding: 25px 0;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.footer-legal {
    display: flex;
    gap: 30px;
}

.footer-legal a {
    opacity: 0.8;
    transition: var(--transition);
}

.footer-legal a:hover {
    opacity: 1;
    color: var(--accent-color);
}

/* Modal de producto */
.product-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.product-modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: white;
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 900px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    padding: 40px;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.product-modal.active .modal-content {
    transform: scale(1);
}

.close-modal {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--gray-color);
    transition: var(--transition);
    z-index: 10;
}

.close-modal:hover {
    color: var(--primary-color);
    transform: scale(1.1);
}

/* Animaciones */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Responsividad */
@media screen and (max-width: 1200px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 120px;
    }
    
    .hero-content {
        padding-right: 0;
        margin-bottom: 60px;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .calculator-container {
        flex-direction: column;
    }
    
    .service-card, .service-card.reverse {
        flex-direction: column;
        gap: 40px;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media screen and (max-width: 992px) {
    h1 {
        font-size: 2.8rem;
    }
    
    h2 {
        font-size: 2.2rem;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 0;
        flex-direction: column;
        background-color: white;
        width: 100%;
        height: 100vh;
        text-align: center;
        transition: 0.5s;
        padding-top: 100px;
        z-index: 999;
        overflow-y: auto;
        box-shadow: none;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 15px 0;
    }
    
    .nav-link {
        font-size: 1.3rem;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        background-color: transparent;
        box-shadow: none;
        padding: 10px 0 10px 30px;
        display: none;
    }
    
    .dropdown-menu::before {
        display: none;
    }
    
    .dropdown-menu a {
        color: var(--gray-color);
        padding: 10px 0;
    }
    
    .dropdown-menu a:hover {
        background-color: transparent;
        color: var(--accent-color);
    }
    
    .has-dropdown.active .dropdown-menu {
        display: block;
    }
    
    .hamburger {
        display: block;
    }
    
    .nav-cta {
        display: none;
    }
    
    .cart-sidebar {
        width: 100%;
        right: -100%;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
    
    .image-slider {
        height: 400px;
    }
}

@media screen and (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .hero-stats {
        flex-wrap: wrap;
    }
    
    .product-options {
        grid-template-columns: 1fr;
    }
    
    .projects-gallery {
        grid-template-columns: 1fr;
    }
    
    .contact-container {
        flex-direction: column;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .whatsapp-float {
        width: 60px;
        height: 60px;
        font-size: 1.8rem;
        bottom: 20px;
        right: 20px;
    }
}

@media screen and (max-width: 576px) {
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .btn {
        padding: 12px 25px;
        font-size: 0.9rem;
    }
    
    .product-filter {
        gap: 10px;
    }
    
    .filter-btn {
        padding: 8px 20px;
        font-size: 0.9rem;
    }
    
    .image-slider {
        height: 300px;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
}