/* ============================================
   ROFT — Design System
   Quiet Luxury | Monocromatico | Mobile-first
   ============================================ */

/* --- Variables --- */
:root {
  /* Colores */
  --black: #0A0A0A;
  --black-light: #1A1A1A;
  --black-lighter: #2A2A2A;
  --gray: #888888;
  --gray-light: #CCCCCC;
  --white: #FAFAFA;
  --white-dim: #E0E0E0;
  --accent: #D4D4D4;

  /* Tipografia */
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 3rem;
  --font-size-hero: clamp(2.5rem, 6vw, 5rem);

  /* Espaciado */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 5rem;
  --space-3xl: 8rem;

  /* Layout */
  --max-width: 1200px;
  --header-height: 70px;
  --border-radius: 4px;

  /* Transiciones */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.6s ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-main);
  font-size: var(--font-size-base);
  color: var(--white);
  background-color: var(--black);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

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

ul, ol {
  list-style: none;
}

/* --- Tipografia --- */
h1, h2, h3, h4 {
  font-weight: 300;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  line-height: 1.2;
}

h1 { font-size: var(--font-size-hero); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }

p {
  color: var(--gray-light);
  line-height: 1.7;
}

.text-sm { font-size: var(--font-size-sm); }
.text-xs { font-size: var(--font-size-xs); }
.text-uppercase { text-transform: uppercase; letter-spacing: 0.1em; }

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-3xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-header p {
  margin-top: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: background var(--transition-base);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.logo {
  font-size: var(--font-size-xl);
  font-weight: 300;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}

.logo a {
  color: var(--white);
}

.nav-links {
  display: flex;
  gap: var(--space-lg);
  align-items: center;
}

.nav-links a {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--gray);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--white);
  transition: width var(--transition-base);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--white);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

/* Menu hamburguesa (mobile) */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 5px;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--white);
  transition: var(--transition-base);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

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

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0A0A0A 0%, #1A1A1A 50%, #0A0A0A 100%);
  background-size: 400% 400%;
  animation: heroGradient 15s ease infinite;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 0%, var(--black) 70%);
}

@keyframes heroGradient {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.hero-video {
  position: absolute;
  inset: 0;
  object-fit: cover;
  width: 100%;
  height: 100%;
  opacity: 0.4;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(10,10,10,0.3) 0%, rgba(10,10,10,0.8) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 var(--space-md);
}

.hero-content h1 {
  margin-bottom: var(--space-md);
  font-weight: 200;
}

.hero-content p {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--gray);
  margin-bottom: var(--space-xl);
}

/* --- Botones --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 14px 36px;
  font-size: var(--font-size-sm);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  border-radius: var(--border-radius);
  transition: all var(--transition-base);
  cursor: pointer;
}

.btn-primary {
  background: var(--white);
  color: var(--black);
  border: 1px solid var(--white);
}

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

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.05);
}

.btn-whatsapp {
  background: #25D366;
  color: var(--white);
  border: 1px solid #25D366;
}

.btn-whatsapp:hover {
  background: #1DA851;
  border-color: #1DA851;
}

.btn-lg {
  padding: 18px 48px;
  font-size: var(--font-size-base);
}

/* --- Categorias --- */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
}

.category-card {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  border-radius: var(--border-radius);
  cursor: pointer;
}

.category-card-bg {
  position: absolute;
  inset: 0;
  background: var(--black-light);
  transition: transform var(--transition-slow);
}

.category-card:hover .category-card-bg {
  transform: scale(1.05);
}

.category-card-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(10, 10, 10, 0.4);
  transition: background var(--transition-base);
}

.category-card:hover .category-card-content {
  background: rgba(10, 10, 10, 0.2);
}

.category-card h3 {
  font-size: var(--font-size-lg);
  font-weight: 300;
  letter-spacing: 0.2em;
}

/* --- Grid de Productos --- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.product-card {
  background: var(--black-light);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: transform var(--transition-base);
  cursor: pointer;
}

.product-card:hover {
  transform: translateY(-4px);
}

.product-card-image {
  position: relative;
  aspect-ratio: 3/4;
  background: var(--black-lighter);
  overflow: hidden;
}

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

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

/* Placeholder para cuando no hay foto */
.image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--black-light) 0%, var(--black-lighter) 100%);
  color: var(--gray);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

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

.product-card-name {
  font-size: var(--font-size-base);
  font-weight: 400;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-xs);
}

.product-card-price {
  font-size: var(--font-size-lg);
  font-weight: 300;
  color: var(--white);
}

.product-card-price span {
  font-size: var(--font-size-sm);
  color: var(--gray);
  margin-left: 2px;
}

.product-card-sizes {
  display: flex;
  gap: 6px;
  margin-top: var(--space-xs);
}

.product-card-sizes span {
  font-size: var(--font-size-xs);
  color: var(--gray);
  padding: 2px 6px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 2px;
}

/* --- Pagina de Producto Individual --- */
.product-detail {
  padding-top: calc(var(--header-height) + var(--space-xl));
}

.product-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.product-gallery {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.product-gallery-main {
  aspect-ratio: 3/4;
  background: var(--black-light);
  border-radius: var(--border-radius);
  overflow: hidden;
}

.product-gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-gallery-thumbs {
  display: flex;
  gap: var(--space-xs);
}

.product-gallery-thumbs .thumb {
  width: 80px;
  height: 100px;
  background: var(--black-lighter);
  border-radius: var(--border-radius);
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color var(--transition-fast);
}

.product-gallery-thumbs .thumb.active,
.product-gallery-thumbs .thumb:hover {
  border-color: var(--white);
}

.product-gallery-thumbs .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.product-info h1 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-sm);
}

.product-price {
  font-size: var(--font-size-xl);
  font-weight: 300;
  margin-bottom: var(--space-lg);
}

.product-price span {
  font-size: var(--font-size-sm);
  color: var(--gray);
}

.product-sizes {
  margin-bottom: var(--space-lg);
}

.product-sizes label {
  display: block;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gray);
  margin-bottom: var(--space-xs);
}

.size-options {
  display: flex;
  gap: var(--space-xs);
}

.size-btn {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--border-radius);
  font-size: var(--font-size-sm);
  color: var(--gray-light);
  transition: all var(--transition-fast);
}

.size-btn:hover,
.size-btn.active {
  border-color: var(--white);
  color: var(--white);
  background: rgba(255,255,255,0.05);
}

.product-fit {
  display: inline-block;
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--gray);
  padding: 6px 12px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 2px;
  margin-bottom: var(--space-lg);
}

.product-description {
  font-size: var(--font-size-base);
  color: var(--gray-light);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

/* --- Barra de Confianza --- */
.trust-bar {
  background: var(--black-light);
  border-top: 1px solid rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.trust-items {
  display: flex;
  justify-content: center;
  gap: var(--space-2xl);
  padding: var(--space-lg) 0;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-align: left;
}

.trust-icon {
  font-size: 1.5rem;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 50%;
  flex-shrink: 0;
}

.trust-item span {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-light);
}

/* --- Filtros del Catalogo --- */
.catalog-header {
  padding-top: calc(var(--header-height) + var(--space-xl));
  padding-bottom: var(--space-lg);
}

.filters {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.filter-btn {
  padding: 10px 20px;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gray);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
  color: var(--white);
  border-color: var(--white);
  background: rgba(255,255,255,0.05);
}

.filter-select {
  padding: 10px 16px;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-light);
  background: var(--black-light);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--border-radius);
  appearance: none;
  cursor: pointer;
  padding-right: 32px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23888' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
}

.filter-select:focus {
  outline: none;
  border-color: var(--white);
}

.products-count {
  font-size: var(--font-size-sm);
  color: var(--gray);
  margin-bottom: var(--space-lg);
}

.no-products {
  text-align: center;
  padding: var(--space-3xl) 0;
  color: var(--gray);
}

/* --- Sobre Nosotros --- */
.about-page {
  padding-top: calc(var(--header-height) + var(--space-2xl));
}

.manifesto {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.manifesto h1 {
  margin-bottom: var(--space-xl);
}

.manifesto-text {
  font-size: var(--font-size-lg);
  line-height: 2;
  color: var(--gray-light);
  margin-bottom: var(--space-xl);
}

.manifesto-text p {
  margin-bottom: var(--space-lg);
  font-size: var(--font-size-lg);
}

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

.value-card {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  background: var(--black-light);
  border-radius: var(--border-radius);
}

.value-card h3 {
  font-size: var(--font-size-base);
  margin-bottom: var(--space-sm);
}

.value-card p {
  font-size: var(--font-size-sm);
  color: var(--gray);
}

/* --- FAQ --- */
.faq-page {
  padding-top: calc(var(--header-height) + var(--space-2xl));
}

.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  max-width: 1000px;
  margin: 0 auto;
}

.faq-section h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.faq-item {
  margin-bottom: var(--space-md);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: var(--space-sm) 0;
  font-size: var(--font-size-base);
  color: var(--white);
  text-align: left;
  cursor: pointer;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--gray-light);
}

.faq-question .icon {
  font-size: var(--font-size-lg);
  transition: transform var(--transition-base);
  flex-shrink: 0;
  margin-left: var(--space-sm);
}

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

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

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: var(--space-sm) 0 var(--space-md);
}

.faq-answer p {
  font-size: var(--font-size-sm);
  color: var(--gray);
  line-height: 1.7;
}

/* --- Info Cards (usadas en FAQ) --- */
.info-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.info-card {
  background: var(--black-light);
  padding: var(--space-lg);
  border-radius: var(--border-radius);
  text-align: center;
  border: 1px solid rgba(255,255,255,0.05);
}

.info-card-icon {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
}

.info-card h4 {
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-xs);
}

.info-card p {
  font-size: var(--font-size-xs);
  color: var(--gray);
}

/* --- Contacto --- */
.contact-page {
  padding-top: calc(var(--header-height) + var(--space-2xl));
  min-height: 100vh;
}

.contact-content {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.contact-content h1 {
  margin-bottom: var(--space-sm);
}

.contact-content > p {
  margin-bottom: var(--space-2xl);
  color: var(--gray);
}

.contact-whatsapp {
  margin-bottom: var(--space-2xl);
}

.contact-socials {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255,255,255,0.08);
}

.social-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  color: var(--gray);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: color var(--transition-fast);
}

.social-link:hover {
  color: var(--white);
}

.social-link .social-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 50%;
  font-size: 1.2rem;
  transition: all var(--transition-fast);
}

.social-link:hover .social-icon {
  border-color: var(--white);
  background: rgba(255,255,255,0.05);
}

/* --- Footer --- */
.footer {
  background: var(--black-light);
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: var(--space-2xl) 0 var(--space-lg);
}

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

.footer-brand .logo {
  margin-bottom: var(--space-sm);
}

.footer-brand p {
  font-size: var(--font-size-sm);
  color: var(--gray);
  max-width: 300px;
}

.footer-links h4 {
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-md);
  color: var(--white);
}

.footer-links a {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--gray);
  padding: 4px 0;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  text-align: center;
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-bottom p {
  font-size: var(--font-size-xs);
  color: var(--gray);
}

/* --- Boton Flotante WhatsApp --- */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
  z-index: 999;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.4);
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
  fill: white;
}

/* --- Productos Relacionados --- */
.related-products {
  margin-top: var(--space-3xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid rgba(255,255,255,0.08);
}

/* --- Animaciones --- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

/* --- Responsive --- */

/* Tablet */
@media (max-width: 768px) {
  :root {
    --space-3xl: 5rem;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: var(--black);
    flex-direction: column;
    justify-content: center;
    gap: var(--space-xl);
    transition: right var(--transition-base);
  }

  .nav-links.open {
    right: 0;
  }

  .nav-links a {
    font-size: var(--font-size-xl);
  }

  .menu-toggle {
    display: flex;
  }

  .categories-grid {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }

  .category-card {
    aspect-ratio: 16/9;
  }

  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
  }

  .product-layout {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .trust-items {
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .faq-grid {
    grid-template-columns: 1fr;
  }

  .values-grid {
    grid-template-columns: 1fr;
  }

  .info-cards {
    grid-template-columns: 1fr;
  }

  .filters {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    padding-bottom: var(--space-sm);
  }

  .filter-btn {
    white-space: nowrap;
  }
}

/* Mobile */
@media (max-width: 480px) {
  :root {
    --space-3xl: 3rem;
    --space-2xl: 3rem;
  }

  h2 {
    font-size: var(--font-size-xl);
  }

  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xs);
  }

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

  .product-card-name {
    font-size: var(--font-size-sm);
  }

  .product-card-price {
    font-size: var(--font-size-base);
  }

  .product-card-sizes {
    display: none;
  }

  .btn {
    padding: 12px 24px;
    font-size: var(--font-size-xs);
  }

  .btn-lg {
    padding: 14px 32px;
    font-size: var(--font-size-sm);
  }
}