/* ========================================
   RS PALLETS — Design System
   ======================================== */

/* --- Design Tokens --- */
:root {
  /* Paleta Premium Madeira */
  --color-primary: #4A2F1A;
  --color-primary-dark: #2D1810;
  --color-primary-light: #6B4226;
  --color-secondary: #8B5E3C;
  --color-secondary-light: #E0C9B0;
  --color-accent: #D4953A;
  --color-accent-hover: #B87D2E;
  --color-dark: #2D1810;
  --color-light: #F7F3EF;
  --color-white: #FFFFFF;
  --color-text: #2D1810;
  --color-text-light: #7A5E4B;
  --color-border: #D4C5B5;
  --color-success: #27AE60;
  --color-bg: #FAF8F5;
  --color-whatsapp: #25D366;
  --color-whatsapp-dark: #1DA851;

  --font-heading: 'Poppins', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;

  --container: 1200px;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow: 0 4px 16px rgba(45, 24, 16, 0.08);
  --shadow-lg: 0 12px 40px rgba(45, 24, 16, 0.15);
  --shadow-glow: 0 4px 20px rgba(37, 211, 102, 0.35);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --header-height: 80px;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--color-text);
  line-height: 1.6;
  background: var(--color-bg);
  padding-top: var(--header-height);
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: var(--transition);
}
a:hover {
  color: var(--color-accent-hover);
}

ul {
  list-style: none;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

/* --- Header & Navigation --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--color-white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  z-index: 1000;
  transition: var(--transition);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--color-primary);
}

.logo img {
  height: 48px;
  width: auto;
}

.logo-text {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-primary);
  line-height: 1.2;
}
.logo-text small {
  display: block;
  font-weight: 400;
  font-size: 0.7rem;
  color: var(--color-text-light);
}

/* Nav */
.nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-list a {
  padding: 8px 16px;
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.9rem;
  border-radius: 6px;
  transition: var(--transition);
}
.nav-list a:hover,
.nav-list a.active {
  background: var(--color-secondary-light);
  color: var(--color-primary);
}

.nav-list .btn-nav-whatsapp {
  background: linear-gradient(135deg, var(--color-whatsapp), var(--color-whatsapp-dark));
  color: white;
  padding: 8px 20px;
  border-radius: 50px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 2px 8px rgba(37, 211, 102, 0.2);
}
.nav-list .btn-nav-whatsapp:hover {
  background: linear-gradient(135deg, var(--color-whatsapp-dark), #0E7A6B);
  color: white;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.35);
}

/* Mobile Menu */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}
.menu-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border: none;
  border-radius: 50px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  line-height: 1;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-hover));
  color: var(--color-white);
}
.btn-primary:hover {
  color: var(--color-white);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(212, 149, 58, 0.35);
}

.btn-whatsapp {
  background: linear-gradient(135deg, var(--color-whatsapp), var(--color-whatsapp-dark));
  color: var(--color-white);
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.25);
}
.btn-whatsapp:hover {
  color: var(--color-white);
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(37, 211, 102, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}
.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.875rem;
}

/* --- Hero --- */
.hero {
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  position: relative;
  background: linear-gradient(145deg, var(--color-primary-dark) 0%, var(--color-primary) 40%, var(--color-primary-light) 100%);
  color: var(--color-white);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.15;
  filter: saturate(0.7);
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(transparent, var(--color-bg));
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 100px 20px;
}

.hero h1 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 3.2rem;
  margin-bottom: 20px;
  line-height: 1.12;
  letter-spacing: -0.5px;
}

.hero p {
  font-size: 1.15rem;
  max-width: 560px;
  margin: 0 auto 40px;
  opacity: 0.9;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Sections (common) --- */
.section {
  padding: 80px 0;
}

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

.section-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: 12px;
  text-align: center;
}

.section-subtitle {
  color: var(--color-text-light);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 50px;
  font-size: 1.05rem;
}

.section-title-left {
  text-align: left;
}
.section-subtitle-left {
  text-align: left;
  margin: 0 0 30px 0;
}

/* --- Numbers Section --- */
.numbers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}
.numbers-grid .number-item h3 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-accent);
}
.numbers-grid .number-item p {
  color: var(--color-text-light);
  margin-top: 6px;
  font-size: 0.95rem;
}

/* --- Product Categories (Home) --- */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.category-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  text-decoration: none;
  color: var(--color-text);
  position: relative;
}
.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.category-card img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.category-card:hover img {
  transform: scale(1.05);
}

.category-card-body {
  padding: 28px;
}
.category-card-body h3 {
  font-size: 1.3rem;
  color: var(--color-primary);
  margin-bottom: 8px;
  font-family: var(--font-heading);
  font-weight: 700;
}
.category-card-body p {
  color: var(--color-text-light);
  font-size: 0.9rem;
  margin-bottom: 16px;
  line-height: 1.6;
}
.category-card-body .btn {
  margin-top: 4px;
}

/* --- Gallery / Product Grid --- */
.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 36px;
}

.gallery-filter {
  padding: 8px 20px;
  border: 2px solid var(--color-border);
  border-radius: 50px;
  background: transparent;
  color: var(--color-text);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-body);
  font-size: 0.9rem;
}
.gallery-filter:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.gallery-filter.active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.gallery-item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  background: var(--color-white);
  position: relative;
}
.gallery-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}
.gallery-item.hidden {
  display: none;
}

.gallery-item img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.gallery-item:hover img {
  transform: scale(1.06);
}

.gallery-item-body {
  padding: 20px;
}
.gallery-item-body h4 {
  font-size: 1rem;
  color: var(--color-primary);
  margin-bottom: 4px;
  font-family: var(--font-heading);
  font-weight: 600;
}
.gallery-item-body p {
  font-size: 0.82rem;
  color: var(--color-text-light);
  margin-bottom: 12px;
}
.gallery-item-body .btn {
  width: 100%;
}

/* --- Product Specs / Ficha Técnica --- */
.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.product-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.product-image img {
  width: 100%;
}

.product-specs h2 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}
.specs-table th,
.specs-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  font-size: 0.95rem;
}
.specs-table th {
  background: var(--color-secondary-light);
  color: var(--color-primary);
  font-weight: 600;
  width: 40%;
}

.sizes-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 20px 0;
}

.size-card {
  background: var(--color-white);
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
  transition: var(--transition);
}
.size-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 2px 12px rgba(230, 126, 34, 0.15);
}
.size-card strong {
  display: block;
  font-size: 1.1rem;
  color: var(--color-primary);
  margin-bottom: 4px;
}
.size-card span {
  font-size: 0.85rem;
  color: var(--color-text-light);
}

/* --- 360 Viewer --- */
.viewer-360 {
  position: relative;
  width: 100%;
  max-width: 500px;
  margin: 0 auto 20px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
}
.viewer-360:active {
  cursor: grabbing;
}
.viewer-360 img {
  width: 100%;
  display: block;
  pointer-events: none;
}
.viewer-360-label {
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-bottom: 20px;
}

/* --- Services --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.service-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: var(--color-secondary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
}

.service-card h3 {
  font-size: 1.15rem;
  color: var(--color-primary);
  margin-bottom: 10px;
}
.service-card p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* --- About --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.about-text h2 {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: 20px;
}
.about-text p {
  margin-bottom: 16px;
  line-height: 1.7;
}

.about-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-image img {
  width: 100%;
}

/* --- Contact --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-info h3 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  margin-bottom: 24px;
  font-size: 1.3rem;
}

.contact-item {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
  align-items: flex-start;
}
.contact-icon {
  width: 44px;
  height: 44px;
  background: var(--color-secondary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.1rem;
}
.contact-item h4 {
  font-size: 0.9rem;
  color: var(--color-primary);
  margin-bottom: 2px;
}
.contact-item p {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.contact-form {
  background: var(--color-white);
  padding: 32px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}
.contact-form h3 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  margin-bottom: 24px;
  font-size: 1.3rem;
}

.form-group {
  margin-bottom: 18px;
}
.form-group label {
  display: block;
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--color-text);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition);
  background: var(--color-bg);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(230, 126, 34, 0.1);
}
.form-group textarea {
  resize: vertical;
  min-height: 100px;
}
.form-group .error {
  color: #e74c3c;
  font-size: 0.8rem;
  margin-top: 4px;
  display: none;
}
.form-group.invalid input,
.form-group.invalid select,
.form-group.invalid textarea {
  border-color: #e74c3c;
}
.form-group.invalid .error {
  display: block;
}

/* --- Map --- */
.map-section {
  padding: 0 0 80px;
}
.map-container {
  width: 100%;
  height: 400px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* --- Testimonials --- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: var(--color-white);
  padding: 28px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}
.testimonial-card .quote {
  font-style: italic;
  margin-bottom: 16px;
  line-height: 1.7;
  color: var(--color-text);
}
.testimonial-card .author {
  font-weight: 600;
  color: var(--color-primary);
  font-size: 0.9rem;
}
.testimonial-card .role {
  font-size: 0.8rem;
  color: var(--color-text-light);
}

/* --- WhatsApp Float --- */
.wa-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  cursor: pointer;
}

.wa-float-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-whatsapp) 0%, #128C7E 100%);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4);
  transition: var(--transition);
  position: relative;
  animation: wa-pulse 2s ease-in-out infinite;
}
.wa-float-icon::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid rgba(37, 211, 102, 0.3);
  animation: wa-ring 2s ease-in-out infinite;
}

.wa-float-label {
  background: var(--color-white);
  color: var(--color-text);
  padding: 10px 20px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
  white-space: nowrap;
}

.wa-float:hover .wa-float-icon {
  transform: scale(1.08);
  box-shadow: 0 8px 32px rgba(37, 211, 102, 0.55);
}
.wa-float:hover .wa-float-label {
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.15);
}

@keyframes wa-pulse {
  0%, 100% { box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 6px 32px rgba(37, 211, 102, 0.6); }
}

@keyframes wa-ring {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.15); opacity: 0; }
}

@media (max-width: 640px) {
  .wa-float-label { display: none; }
  .wa-float { right: 16px; bottom: 16px; }
  .wa-float-icon { width: 52px; height: 52px; font-size: 1.5rem; }
}

/* --- Footer --- */
.footer {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  margin-top: 12px;
  font-size: 0.9rem;
  line-height: 1.7;
}

.footer h4 {
  color: var(--color-white);
  margin-bottom: 16px;
  font-size: 1rem;
}

.footer ul li {
  margin-bottom: 8px;
}
.footer ul li a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}
.footer ul li a:hover {
  color: var(--color-white);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

/* --- Back to Top --- */
.back-to-top {
  position: fixed;
  bottom: 90px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  border: none;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 998;
  box-shadow: var(--shadow);
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}
.back-to-top:hover {
  background: var(--color-primary-light);
  transform: translateY(-3px);
  color: white;
}

/* --- Breadcrumbs --- */
.breadcrumbs {
  padding: 20px 0;
  font-size: 0.85rem;
  color: var(--color-text-light);
}
.breadcrumbs a {
  color: var(--color-text-light);
}
.breadcrumbs a:hover {
  color: var(--color-accent);
}
.breadcrumbs span {
  color: var(--color-text);
}

/* --- Page Header Banner --- */
.page-header {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-white);
  padding: 60px 0;
  text-align: center;
}
.page-header h1 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 2.2rem;
  margin-bottom: 10px;
}
.page-header p {
  opacity: 0.9;
  font-size: 1.05rem;
}

/* --- Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Page Layout (Sobre, Servicos, Contato) --- */
.page-body {
  padding: 60px 0;
}

/* --- Internal Product Page --- */
.product-page-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: start;
}

/* --- Responsive --- */

/* Tablet (768px) */
@media (max-width: 1024px) {
  .numbers-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .categories-grid {
    grid-template-columns: 1fr;
  }
  .services-grid {
    grid-template-columns: 1fr 1fr;
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .product-grid {
    grid-template-columns: 1fr;
  }
  .product-page-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }
  .hero p {
    font-size: 1rem;
  }
  .section-title {
    font-size: 1.6rem;
  }
  .numbers-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  .sizes-list {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }

  /* Mobile nav */
  .nav-list {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transform: translateY(-100%);
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
  }
  .nav-list.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  .menu-toggle {
    display: flex;
  }
  .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);
  }
}

@media (max-width: 480px) {
  :root {
    --header-height: 64px;
  }
  .hero h1 {
    font-size: 1.6rem;
  }
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  .hero-actions .btn {
    width: 100%;
    max-width: 280px;
  }
  .section {
    padding: 60px 0;
  }
  .logo img {
    height: 36px;
  }
  .logo-text {
    font-size: 1rem;
  }
  .logo-text small {
    font-size: 0.6rem;
  }
  .numbers-grid .number-item h3 {
    font-size: 1.8rem;
  }
  .gallery-item img {
    height: 180px;
  }
  .category-card img {
    height: 180px;
  }
}