/* ========================================
   MELODÍA - Sistema de Diseño
   ======================================== */

/* Variables */
:root {
    /* Colores */
    --color-wood: #8B7355;
    --color-wood-dark: #6B5344;
    --color-wood-light: #A89080;
    --color-sand: #D4C4B0;
    --color-sand-light: #E8DFD4;
    --color-cream: #FAF8F5;
    --color-white: #FFFFFF;
    --color-charcoal: #2C2825;
    --color-charcoal-light: #3D3835;
    --color-text: #2C2825;
    --color-text-muted: #6B6560;
    --color-copper: #B87333;
    --color-copper-dark: #9A5F28;
    --color-gold: #C9A962;
    
    /* Tipografia */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'DM Sans', -apple-system, sans-serif;
    
    /* Espaciado */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Bordes */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    --radius-full: 9999px;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px rgba(44, 40, 37, 0.05);
    --shadow-md: 0 4px 12px rgba(44, 40, 37, 0.08);
    --shadow-lg: 0 8px 30px rgba(44, 40, 37, 0.12);
    --shadow-xl: 0 20px 50px rgba(44, 40, 37, 0.15);
    
    /* Transiciones */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-cream);
    -webkit-font-smoothing: antialiased;
}

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

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea {
    font-family: inherit;
    font-size: inherit;
}

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

.container-narrow {
    max-width: 800px;
}

/* ========================================
   HEADER
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(250, 248, 245, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(212, 196, 176, 0.3);
    transition: var(--transition-base);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 55px;
    width: auto;
    transition: var(--transition-fast);
}

.logo:hover .logo-img {
    opacity: 0.8;
}

.footer-logo {
    height: 70px;
    filter: brightness(0) invert(1);
}

.nav {
    display: flex;
    gap: var(--space-xl);
}

.nav a {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    transition: var(--transition-fast);
}

.nav a:hover {
    color: var(--color-text);
}

.header-cta {
    padding: 0.6rem 1.2rem;
    font-size: 0.85rem;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-charcoal);
    transition: var(--transition-fast);
}

/* ========================================
   BOTONES
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    cursor: pointer;
}

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

.btn-primary:hover {
    background: var(--color-charcoal-light);
    transform: translateY(-1px);
}

.btn-secondary {
    background: transparent;
    color: var(--color-charcoal);
    border: 1.5px solid var(--color-sand);
}

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

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

.btn-copper:hover {
    background: var(--color-copper-dark);
    transform: translateY(-1px);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

.btn-full {
    width: 100%;
}

/* ========================================
   SECCIONES
   ======================================== */
.section {
    padding: var(--space-4xl) 0;
}

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

.section-dark {
    background: var(--color-charcoal);
    color: var(--color-white);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-header h2 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 500;
    line-height: 1.2;
    margin-top: var(--space-md);
}

.section-header h2 em {
    font-style: italic;
    color: var(--color-wood);
}

.section-dark .section-header h2 em {
    color: var(--color-gold);
}

.section-subtitle {
    max-width: 600px;
    margin: var(--space-lg) auto 0;
    color: var(--color-text-muted);
}

.section-dark .section-subtitle {
    color: var(--color-sand);
}

.section-cta {
    text-align: center;
    margin-top: var(--space-3xl);
}

/* Tag */
.tag {
    display: inline-block;
    padding: 0.4rem 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-wood);
    background: var(--color-sand-light);
    border-radius: var(--radius-full);
}

.tag-light {
    background: rgba(255, 255, 255, 0.15);
    color: var(--color-sand);
}

/* ========================================
   HERO
   ======================================== */
.hero {
    padding-top: calc(70px + var(--space-4xl));
    padding-bottom: var(--space-4xl);
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.hero-content h1 {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 500;
    line-height: 1.15;
    margin: var(--space-lg) 0;
}

.hero-content h1 em {
    font-style: italic;
    color: var(--color-wood);
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    max-width: 480px;
    margin-bottom: var(--space-xl);
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.hero-features {
    display: flex;
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-sand);
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.hero-feature-icon {
    font-size: 1.2rem;
}

.hero-image-wrapper {
    position: relative;
}

.hero-image-wrapper img {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.hero-price-tag {
    position: absolute;
    bottom: var(--space-xl);
    right: var(--space-xl);
    padding: 0.75rem 1.25rem;
    background: var(--color-white);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1.1rem;
    box-shadow: var(--shadow-lg);
}

/* ========================================
   PASOS
   ======================================== */
.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.step {
    text-align: center;
    padding: var(--space-xl);
    background: var(--color-cream);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
}

.step:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.step-number {
    font-family: var(--font-display);
    font-size: 0.85rem;
    color: var(--color-wood);
    margin-bottom: var(--space-md);
}

.step-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
}

.step h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: var(--space-sm);
}

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

.steps-info {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    margin-top: var(--space-2xl);
}

.pill {
    display: inline-block;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    color: var(--color-wood-dark);
    background: var(--color-sand-light);
    border-radius: var(--radius-full);
}

/* ========================================
   CONFIGURADOR
   ======================================== */
.configurator {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.configurator-form {
    background: var(--color-white);
    padding: var(--space-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--space-sm);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1.5px solid var(--color-sand);
    border-radius: var(--radius-md);
    background: var(--color-cream);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-wood);
    background: var(--color-white);
}

.form-hint {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: var(--space-xs);
}

.toggle-group {
    display: flex;
    gap: var(--space-sm);
}

.toggle-btn {
    flex: 1;
    padding: 0.875rem;
    font-size: 0.9rem;
    border: 1.5px solid var(--color-sand);
    border-radius: var(--radius-md);
    background: var(--color-cream);
    transition: var(--transition-fast);
}

.toggle-btn.active {
    background: var(--color-charcoal);
    color: var(--color-white);
    border-color: var(--color-charcoal);
}

.upload-area {
    padding: var(--space-2xl);
    border: 2px dashed var(--color-sand);
    border-radius: var(--radius-md);
    text-align: center;
    cursor: pointer;
    transition: var(--transition-fast);
}

.upload-area:hover {
    border-color: var(--color-wood);
    background: var(--color-sand-light);
}

.upload-icon {
    font-size: 2rem;
    margin-bottom: var(--space-sm);
}

.form-note {
    padding: var(--space-md);
    background: var(--color-sand-light);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    margin-bottom: var(--space-lg);
}

.form-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

/* Preview */
.configurator-preview {
    position: sticky;
    top: 100px;
}

.preview-box {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-md);
}

.preview-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
}

.preview-image {
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: var(--space-lg);
}

.preview-details {
    text-align: center;
}

.preview-song {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-style: italic;
    margin-bottom: var(--space-xs);
}

.preview-text {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

/* ========================================
   PRODUCTOS
   ======================================== */
.categories {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
    margin-bottom: var(--space-2xl);
}

.category-btn {
    padding: 0.6rem 1.25rem;
    font-size: 0.9rem;
    border-radius: var(--radius-full);
    background: var(--color-cream);
    border: 1.5px solid transparent;
    transition: var(--transition-fast);
}

.category-btn:hover {
    border-color: var(--color-sand);
}

.category-btn.active {
    background: var(--color-charcoal);
    color: var(--color-white);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.product-card {
    position: relative;
    background: var(--color-cream);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-base);
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.product-badge {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    padding: 0.35rem 0.75rem;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    background: var(--color-copper);
    color: var(--color-white);
    border-radius: var(--radius-full);
    z-index: 1;
}

.product-image {
    aspect-ratio: 1;
    overflow: hidden;
}

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

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

.product-info {
    padding: var(--space-lg);
}

.product-info h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: var(--space-xs);
}

.product-info p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
}

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

.product-price {
    font-weight: 600;
    font-size: 1.1rem;
}

/* ========================================
   GRABADO
   ======================================== */
.grabado-examples {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

.grabado-item {
    text-align: center;
}

.grabado-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--space-md);
}

.grabado-item span {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-sand);
    margin-bottom: var(--space-xs);
}

.grabado-item p {
    font-family: var(--font-display);
    font-style: italic;
    color: var(--color-white);
}

/* ========================================
   CARACTERISTICAS
   ======================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

.feature-card {
    text-align: center;
    padding: var(--space-xl);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
}

.feature-card h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: var(--space-sm);
}

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

/* ========================================
   OPINIONES
   ======================================== */
.rating-summary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    margin-top: var(--space-md);
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

.stars {
    letter-spacing: 2px;
    color: #f5a623;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.review-card {
    background: var(--color-cream);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
}

.review-name {
    font-weight: 600;
}

.review-stars {
    font-size: 0.85rem;
    color: #f5a623;
}

.review-card p {
    font-style: italic;
    color: var(--color-text);
    margin-bottom: var(--space-md);
    line-height: 1.7;
}

.review-badge {
    font-size: 0.75rem;
    color: var(--color-wood);
}

/* ========================================
   FAQ
   ======================================== */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.faq-item {
    border: 1px solid var(--color-sand);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    text-align: left;
    font-weight: 500;
    font-size: 1rem;
    background: var(--color-white);
    transition: var(--transition-fast);
}

.faq-question:hover {
    background: var(--color-cream);
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--color-wood);
    transition: var(--transition-fast);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: var(--transition-base);
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 var(--space-lg) var(--space-lg);
    color: var(--color-text-muted);
}

/* ========================================
   CONTACTO
   ======================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.contact-card {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-lg);
    background: var(--color-cream);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

a.contact-card:hover {
    background: var(--color-sand-light);
}

.contact-icon {
    font-size: 1.5rem;
}

.contact-card strong {
    display: block;
    margin-bottom: var(--space-xs);
}

.contact-card span {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.contact-whatsapp {
    background: #25D366;
    color: var(--color-white);
}

.contact-whatsapp span {
    color: rgba(255,255,255,0.9);
}

.contact-whatsapp:hover {
    background: #1da851;
}

.contact-form {
    background: var(--color-cream);
    padding: var(--space-2xl);
    border-radius: var(--radius-lg);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: var(--color-charcoal);
    color: var(--color-white);
    padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-3xl);
    padding-bottom: var(--space-3xl);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand .logo {
    color: var(--color-white);
    margin-bottom: var(--space-md);
    display: block;
}

.footer-brand p {
    color: var(--color-sand);
    font-size: 0.9rem;
    margin-bottom: var(--space-md);
}

.footer-badge {
    display: inline-block;
    padding: 0.4rem 0.75rem;
    font-size: 0.75rem;
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-full);
}

.footer-links h4 {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-lg);
}

.footer-links a {
    display: block;
    color: var(--color-sand);
    font-size: 0.9rem;
    padding: var(--space-xs) 0;
    transition: var(--transition-fast);
}

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

.footer-payment h4 {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-lg);
}

.payment-icons {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.payment-icons span {
    padding: 0.5rem 0.75rem;
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-xl);
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.footer-legal {
    display: flex;
    gap: var(--space-lg);
}

.footer-legal a {
    color: var(--color-text-muted);
    transition: var(--transition-fast);
}

.footer-legal a:hover {
    color: var(--color-white);
}

/* ========================================
   WHATSAPP FLOTANTE
   ======================================== */
.whatsapp-float {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.875rem 1.25rem;
    background: #25D366;
    color: var(--color-white);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-base);
    z-index: 90;
}

.whatsapp-float:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.whatsapp-icon {
    font-size: 1.25rem;
}

.whatsapp-text {
    font-size: 0.9rem;
    font-weight: 500;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
    .hero-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-features {
        justify-content: center;
    }
    
    .hero-image {
        max-width: 500px;
        margin: 0 auto;
    }
    
    .steps {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .configurator {
        grid-template-columns: 1fr;
    }
    
    .configurator-preview {
        position: static;
        order: -1;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .grabado-examples {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .reviews-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--color-white);
        padding: var(--space-lg);
        gap: 0;
        box-shadow: var(--shadow-lg);
    }
    
    .nav.active {
        display: flex;
    }
    
    .nav a {
        padding: var(--space-md) 0;
        border-bottom: 1px solid var(--color-sand-light);
    }
    
    .header-cta {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .hero {
        min-height: auto;
        padding-top: calc(70px + var(--space-2xl));
        padding-bottom: var(--space-2xl);
    }
    
    .hero-features {
        flex-direction: column;
        align-items: center;
        gap: var(--space-md);
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .grabado-examples {
        grid-template-columns: 1fr 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
    
    .whatsapp-text {
        display: none;
    }
    
    .whatsapp-float {
        padding: 1rem;
    }
    
    .categories {
        overflow-x: auto;
        justify-content: flex-start;
        padding-bottom: var(--space-sm);
        -webkit-overflow-scrolling: touch;
    }
    
    .category-btn {
        flex-shrink: 0;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .toggle-group {
        flex-direction: column;
    }
    
    .steps-info {
        flex-direction: column;
        align-items: center;
    }
}

/* ========================================
   ESTILOS ADICIONALES - UPLOAD STATUS
   ======================================== */
.upload-status {
    margin-top: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
}

.upload-status-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.upload-status-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.upload-status-info {
    background: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* ========================================
   NUEVAS TARJETAS DE PASOS (Estilo imagen)
   ======================================== */
.steps-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.step-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.step-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.step-card-image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
}

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

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

.step-card-number {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border-radius: 50%;
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-copper);
    box-shadow: var(--shadow-md);
}

.step-card-content {
    padding: var(--space-xl);
    text-align: center;
}

.step-card-content h3 {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 500;
    margin-bottom: var(--space-sm);
    color: var(--color-charcoal);
}

.step-card-content p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
    line-height: 1.6;
}

.step-card-link {
    display: inline-block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-copper);
    transition: var(--transition-fast);
}

.step-card-link:hover {
    color: var(--color-copper-dark);
    text-decoration: underline;
}

/* ========================================
   PRODUCTOS CON REPRODUCTOR
   ======================================== */
.product-card .btn-play {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: 0.5rem 1rem;
    background: var(--color-copper);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.product-card .btn-play:hover {
    background: var(--color-copper-dark);
}

.product-card .btn-play.playing {
    background: var(--color-charcoal);
}

.product-card .btn-play .icon-play,
.product-card .btn-play .icon-pause {
    font-size: 1rem;
}

/* ========================================
   CONTACTO GRUPO SERVIJAEN
   ======================================== */
.contact-grupo {
    background: var(--color-sand-light);
    border: 1px solid var(--color-sand);
}

.footer-grupo {
    display: block;
    margin-top: var(--space-sm);
    background: var(--color-copper);
    color: white;
}

/* ========================================
   ENLACE ADMIN (oculto por defecto en producción)
   ======================================== */
.admin-link {
    font-size: 0.8rem !important;
    opacity: 0.5;
    transition: var(--transition-fast);
}

.admin-link:hover {
    opacity: 1;
}

/* ========================================
   RESPONSIVE NUEVAS TARJETAS
   ======================================== */
@media (max-width: 1024px) {
    .steps-cards {
        grid-template-columns: 1fr;
        max-width: 450px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .step-card-content {
        padding: var(--space-lg);
    }
    
    .step-card-content h3 {
        font-size: 1.2rem;
    }
}