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

:root {
    --primary-color: #000000;
    --secondary-color: #0a0a0a;
    --accent-color: #d4af37;
    --accent-light: #f4e4bc;
    --text-light: #ffffff;
    --text-gray: #cccccc;
    --text-dark: #333333;
    --gradient-gold: linear-gradient(135deg, #d4af37, #f4e4bc, #d4af37);
    --gradient-dark: linear-gradient(45deg, #0a0a0a, #1a1a1a, #0a0a0a);
    --shadow-soft: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-strong: 0 20px 60px rgba(0, 0, 0, 0.6);
    --shadow-gold: 0 8px 32px rgba(212, 175, 55, 0.2);
    --border-radius: 16px;
    --border-radius-small: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--primary-color);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
    font-weight: 400;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    z-index: 1000;
    padding: .5rem 0;
    transition: var(--transition);
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

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

/* Evitar que el logo crezca por altura de navbar en móviles altos */
.nav-logo img.logo-img { max-height: 48px; }

.nav-logo {
    position: relative;
    display: flex;
    align-items: center;
    min-height: 56px;
}

.nav-logo h1 {
    font-size: 2rem;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 2;
    font-weight: 900;
}

.logo-img {
    height: 72px;
    width: auto;
    margin-right: 10px;
    display: block;
    cursor: pointer;
    object-fit: contain;
    max-width: min(50vw, 320px);
}

@media (max-width: 768px) {
    .logo-img { height: 28px !important; max-height: 28px !important; width: auto !important; max-width: 34vw !important; }
    .logo-marble-effect { display: none; }
}

.logo-marble-effect {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: var(--gradient-dark);
    border-radius: 50%;
    opacity: 0.1;
    animation: marbleFloat 6s ease-in-out infinite;
    pointer-events: none;
}

@keyframes marbleFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(180deg); }
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-link {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: var(--transition);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-gold);
    transition: var(--transition);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-light);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        linear-gradient(180deg, rgba(0,0,0,0.65) 0%, rgba(0,0,0,0.85) 60%, rgba(0,0,0,0.95) 100%),
        url("../images/Placa Luxor 1,22×2,44 AI .png");
    background-size: cover;
    background-position: center;
    transform: scale(1.06);
    filter: saturate(1.05) contrast(1.05);
    animation: heroPan 22s ease-in-out infinite alternate;
}

.hero-background::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(60% 40% at 15% 25%, rgba(212, 175, 55, 0.10) 0%, transparent 60%),
        radial-gradient(50% 35% at 85% 70%, rgba(255, 255, 255, 0.06) 0%, transparent 60%);
    mix-blend-mode: overlay;
    animation: glowShift 14s ease-in-out infinite alternate;
    pointer-events: none;
}

@keyframes heroPan {
    0% { transform: scale(1.06) translate3d(0, 0, 0); }
    100% { transform: scale(1.12) translate3d(0, -10px, 0); }
}

@keyframes glowShift {
    0% { background-position: 15% 25%, 85% 70%; opacity: 0.9; }
    100% { background-position: 25% 35%, 75% 60%; opacity: 1; }
}

/* Evitar que la hero tape el logo en recortes extremos */
@media (max-width: 768px) {
    .hero { padding-top: 56px; }
}

.marble-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(212, 175, 55, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(212, 175, 55, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(255, 255, 255, 0.03) 0%, transparent 50%);
    animation: particleFloat 20s ease-in-out infinite;
}

@keyframes particleFloat {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-20px) scale(1.1); }
}

.hero-content {
    text-align: center;
    z-index: 2;
    position: relative;
}

.hero-title {
    font-size: 4.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    font-weight: 900;
}

.title-line {
    display: block;
    opacity: 0;
    transform: translateY(50px);
    animation: titleReveal 1s ease-out forwards;
}

.title-line:nth-child(1) { animation-delay: 0.2s; }
.title-line:nth-child(2) { animation-delay: 0.4s; }
.title-line:nth-child(3) { animation-delay: 0.6s; }

@keyframes titleReveal {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-gray);
    margin-bottom: 3rem;
    opacity: 0;
    animation: fadeInUp 1s ease-out 0.8s forwards;
    font-weight: 300;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    opacity: 0;
    animation: fadeInUp 1s ease-out 1s forwards;
}

.btn-primary, .btn-secondary {
    padding: 1.2rem 2.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.8rem;
    text-decoration: none;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: var(--gradient-gold);
    color: var(--text-dark);
    box-shadow: var(--shadow-gold);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-strong);
}

.btn-secondary {
    background: transparent;
    color: var(--text-light);
    border: 2px solid var(--accent-color);
}

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

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 30px;
    height: 30px;
    border-right: 2px solid var(--accent-color);
    border-bottom: 2px solid var(--accent-color);
    transform: rotate(45deg);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* Products Section */
.products {
    padding: 8rem 0;
    background: var(--secondary-color);
    position: relative;
    z-index: 10;
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
}

.section-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 900;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-gray);
    margin-bottom: 2rem;
    font-weight: 300;
}

.product-specs {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.spec-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--text-gray);
    font-weight: 500;
}

.spec-item i {
    color: var(--accent-color);
    font-size: 1.2rem;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-bottom: 4rem;
}

.product-card {
    background: var(--primary-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
    position: relative;
    border: 1px solid rgba(212, 175, 55, 0.1);
    z-index: 5;
}

.product-card:hover {
    transform: translateY(-15px);
    box-shadow: var(--shadow-strong);
    border-color: rgba(212, 175, 55, 0.3);
}

.product-image {
    height: 350px;
    position: relative;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.product-card:hover .product-overlay {
    opacity: 1;
}

.overlay-content {
    text-align: center;
    color: var(--text-light);
    padding: 2rem;
}

.overlay-content h3 {
    font-size: 1.8rem;
    margin-bottom: 0.8rem;
    font-weight: 700;
}

.overlay-content p {
    margin-bottom: 1.5rem;
    color: var(--text-gray);
    font-size: 1rem;
}

.product-specs-overlay {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

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

.price {
    color: var(--accent-color);
    font-weight: 700;
    font-size: 1.1rem;
}

.btn-details {
    background: var(--gradient-gold);
    color: var(--text-dark);
    border: none;
    padding: 1rem 2rem;
    border-radius: var(--border-radius-small);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-details:hover {
    transform: scale(1.05);
}

/* versión ancha para catálogo completo */
.btn-details-wide {
    width: 100%;
    max-width: 420px;
    margin-inline: auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .6rem;
}

.product-info {
    padding: 2rem;
}

.product-info h3 {
    font-size: 1.5rem;
    margin-bottom: 0.8rem;
    font-weight: 700;
}

.product-info p {
    color: var(--text-gray);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid rgba(212, 175, 55, 0.2);
}

.products-cta {
    text-align: center;
    background: var(--primary-color);
    padding: 3rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.products-cta h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.products-cta p {
    color: var(--text-gray);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

/* Catalog Section */
.catalog {
    padding: 8rem 0;
    background: var(--primary-color);
    position: relative;
    z-index: 10;
}

.catalog-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.filter-btn {
    background: transparent;
    color: var(--text-gray);
    border: 2px solid rgba(212, 175, 55, 0.3);
    padding: 0.8rem 1.5rem;
    border-radius: var(--border-radius-small);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
}

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

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.catalog-item {
    background: var(--secondary-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
    border: 1px solid rgba(212, 175, 55, 0.1);
    cursor: pointer;
    position: relative;
    z-index: 5;
}

.catalog-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-strong);
    border-color: rgba(212, 175, 55, 0.3);
}

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

.catalog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.catalog-info {
    padding: 1.5rem;
}

.catalog-info h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.catalog-info p {
    color: var(--text-gray);
    margin-bottom: 1rem;
    font-size: 0.95rem;
    line-height: 1.5;
}

.catalog-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid rgba(212, 175, 55, 0.2);
}

.catalog-cta {
    text-align: center;
    background: var(--secondary-color);
    padding: 3rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(212, 175, 55, 0.2);
    margin-top: 4rem;
}

.catalog-cta h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.catalog-cta p {
    color: var(--text-gray);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

/* About Section */
.about {
    padding: 8rem 0;
    background: var(--secondary-color);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.about-text h2 {
    font-size: 3rem;
    margin-bottom: 2rem;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 900;
}

.about-text p {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    color: var(--text-gray);
    line-height: 1.8;
}

.features {
    display: grid;
    gap: 2rem;
}

.feature {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: rgba(212, 175, 55, 0.05);
    border-radius: var(--border-radius-small);
    border: 1px solid rgba(212, 175, 55, 0.1);
    transition: var(--transition);
}

.feature:hover {
    background: rgba(212, 175, 55, 0.1);
    transform: translateX(10px);
}

.feature i {
    font-size: 1.8rem;
    color: var(--accent-color);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 50%;
}

.feature-content h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

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

.about-visual {
    position: relative;
    height: 500px;
}

.marble-showcase {
    width: 100%;
    height: 100%;
    border-radius: var(--border-radius);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-strong);
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.marble-showcase img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Contact Section */
.contact {
    padding: 8rem 0;
    background: var(--primary-color);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
}

.contact-info h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 900;
}

.contact-info p {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    color: var(--text-gray);
    line-height: 1.8;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: rgba(212, 175, 55, 0.05);
    border-radius: var(--border-radius-small);
    border: 1px solid rgba(212, 175, 55, 0.1);
    transition: var(--transition);
}

.contact-item:hover {
    background: rgba(212, 175, 55, 0.1);
    transform: translateX(10px);
}

.contact-item i {
    color: var(--accent-color);
    font-size: 1.5rem;
    width: 40px;
    text-align: center;
}

.contact-text {
    display: flex;
    flex-direction: column;
}

.contact-label {
    font-size: 0.9rem;
    color: var(--text-gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.3rem;
}

.contact-value {
    font-size: 1.1rem;
    font-weight: 600;
}

.contact-form {
    background: var(--secondary-color);
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.form-group {
    margin-bottom: 2rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 1.2rem;
    border: 2px solid transparent;
    border-radius: var(--border-radius-small);
    background: var(--primary-color);
    color: var(--text-light);
    font-size: 1rem;
    transition: var(--transition);
    font-family: 'Inter', sans-serif;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-gray);
}

.form-group select {
    cursor: pointer;
}

/* Footer */
.footer {
    background: var(--secondary-color);
    padding: 4rem 0 2rem;
    border-top: 1px solid rgba(212, 175, 55, 0.2);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3,
.footer-section h4 {
    color: var(--accent-color);
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.footer-section p,
.footer-section li {
    color: var(--text-gray);
    margin-bottom: 0.8rem;
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
}

.footer-section a {
    color: var(--text-gray);
    text-decoration: none;
    transition: var(--transition);
}

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

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--accent-color);
    color: var(--text-dark);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(212, 175, 55, 0.1);
    color: var(--text-gray);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(0, 0, 0, 0.95);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 3rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .products-grid,
    .catalog-grid {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 2.5rem;
    }

    .product-specs,
    .catalog-filters {
        flex-direction: column;
        gap: 1rem;
    }

    .contact-form {
        padding: 2rem;
    }

    .catalog-filters {
        justify-content: center;
    }

    .product-actions {
        flex-direction: column;
        gap: 0.75rem;
    }

    .quantity-controls {
        justify-content: center;
    }

    .navbar { padding: 0.75rem 1rem; }
    .nav-logo h1 { font-size: 1.4rem; }
    .section-subtitle { font-size: 0.95rem; }
    .products-grid, .catalog-grid { grid-template-columns: 1fr; }
    .btn, .btn-primary, .btn-secondary { min-height: 44px; }
    .quantity-btn, .add-to-cart-btn, .buy-now-btn { min-height: 44px; }
}

/* Cart Icon Styles */
.cart-icon {
    position: relative;
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--accent-color);
    color: var(--text-dark);
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
    display: none;
}

/* Error field styling */
.form-group input.error,
.form-group select.error {
    border-color: #f44336;
    box-shadow: 0 0 0 3px rgba(244, 67, 54, 0.1);
}

/* Product Actions */
.product-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.quantity-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--primary-color);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: var(--border-radius-small);
    padding: 0.25rem;
}

.quantity-btn {
    width: 44px;
    height: 44px;
    border: none;
    background: var(--accent-color);
    color: var(--text-dark);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    min-width: 44px;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.quantity-btn:hover {
    background: #e6c200;
    transform: scale(1.05);
}

.quantity-btn:active {
    transform: scale(0.95);
    background: #d4af37;
}

.quantity-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.quantity-btn:hover {
    background: #b8942a;
    transform: scale(1.05);
}

.quantity-display {
    min-width: 30px;
    text-align: center;
    font-weight: 600;
    color: var(--text-light);
    font-size: 0.9rem;
}

.add-to-cart-btn {
    flex: 1;
    padding: 0.8rem 1.5rem;
    background: var(--gradient-gold);
    color: var(--text-dark);
    border: none;
    border-radius: var(--border-radius-small);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
    min-height: 44px;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.add-to-cart-btn:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.3);
}

.add-to-cart-btn:active {
    transform: scale(0.98);
}

.add-to-cart-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.add-to-cart-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-soft);
}

.add-to-cart-btn.primary {
    background: var(--gradient-gold);
}

.add-to-cart-btn.secondary {
    background: transparent;
    color: var(--text-light);
    border: 2px solid var(--accent-color);
}

.add-to-cart-btn.secondary:hover {
    background: var(--accent-color);
    color: var(--text-dark);
}

.buy-now-btn {
    padding: 0.8rem 1.5rem;
    background: var(--accent-color);
    color: var(--text-dark);
    border: none;
    border-radius: var(--border-radius-small);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
    min-height: 44px;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.buy-now-btn:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.3);
}

.buy-now-btn:active {
    transform: scale(0.98);
}

.buy-now-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.buy-now-btn:hover {
    background: #b8942a;
    transform: translateY(-2px);
    box-shadow: var(--shadow-soft);
}

/* Marble Particles */
.marble-particle {
    position: absolute !important;
    pointer-events: none !important;
    z-index: 1 !important;
    max-width: 10px !important;
    max-height: 10px !important;
}

/* Asegurar que las partículas solo aparezcan en el hero */
.hero .marble-particle {
    z-index: 1 !important;
}

/* Evitar que las partículas aparezcan en otras secciones */
/* Ocultar TODAS las partículas de mármol para evitar problemas */
.marble-particle {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
}

.products .marble-particle,
.catalog .marble-particle,
.about .marble-particle,
.contact .marble-particle {
    display: none !important;
}

/* Scroll Animations */
.fade-in {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--secondary-color);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-gold);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}