/* ==========================================
   SERRALUB - REDESIGN MODERNO E INDUSTRIAL
   ========================================== */

:root {
  /* Color Palette - Fundo Preto #1f1f1f */
  --bg-dark: #1f1f1f;
  --bg-card: #282828;
  --bg-card-hover: #333333;
  --bg-surface: #171717;
  
  --text-main: #FFFFFF;
  --text-muted: #D1D5DB;
  --text-subtle: #9CA3AF;
  
  --primary: #F59E0B; /* Gold/Amber Industrial Accent */
  --primary-hover: #D97706;
  --primary-light: rgba(245, 158, 11, 0.18);
  
  --whatsapp: #25D366;
  --whatsapp-hover: #20ba5a;
  
  --accent: #38BDF8; /* Cyan tech highlight */
  --border-color: rgba(255, 255, 255, 0.1);
  --border-highlight: rgba(245, 158, 11, 0.5);

  /* Fonts */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;

  /* Transitions & Shadows */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.7), 0 8px 10px -6px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 25px rgba(245, 158, 11, 0.35);
  --shadow-wa: 0 10px 20px rgba(37, 211, 102, 0.4);
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

/* Layout Utilities */
.container {
  width: 90%;
  max-width: 1280px;
  margin: 0 auto;
}

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

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.align-center {
  align-items: center;
}

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

.text-left {
  text-align: left;
}

.center-max {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Typography & Titles */
.section {
  padding: 6.5rem 0;
  position: relative;
}

.section-dark {
  background-color: var(--bg-surface);
}

.section-header {
  margin-bottom: 3.5rem;
}

.section-subtitle {
  display: inline-block;
  font-family: var(--font-heading);
  text-transform: uppercase;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.5px;
  text-transform: capitalize;
}

.section-description {
  color: var(--text-muted);
  font-size: 1.15rem;
  margin-top: 1rem;
}

.title-bar {
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px;
  margin-top: 0.85rem;
}

.title-bar.center {
  margin-left: auto;
  margin-right: auto;
}

/* Buttons & CTAs */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.85rem 1.75rem;
  border-radius: 50px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  gap: 0.6rem;
}

.btn-primary {
  background: linear-gradient(135deg, #25D366 0%, #10B981 100%);
  color: #FFFFFF;
  border: none;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.35);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.55);
  color: #FFFFFF;
}

.btn-glow {
  position: relative;
  overflow: hidden;
}

.btn-glow::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(60deg, transparent, rgba(255, 255, 255, 0.25), transparent);
  transform: rotate(30deg);
  transition: 0.8s;
  pointer-events: none;
}

.btn-glow:hover::after {
  left: 100%;
}

.btn-outline {
  background-color: transparent;
  color: var(--text-main);
  border-color: rgba(255, 255, 255, 0.25);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background-color: var(--primary-light);
  transform: translateY(-3px);
}

.btn-accent {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
  color: var(--bg-dark);
  box-shadow: var(--shadow-glow);
}

.btn-accent:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(245, 158, 11, 0.55);
}

.btn-lg {
  padding: 1.15rem 2.4rem;
  font-size: 1.05rem;
}

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

.btn-icon-right {
  margin-left: 0.2rem;
  transition: var(--transition);
}

.btn:hover .btn-icon-right {
  transform: translateY(3px);
}

/* Sticky Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.2rem 0;
  transition: var(--transition);
  background: rgba(31, 31, 31, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
}

.navbar.scrolled {
  padding: 0.8rem 0;
  background: rgba(31, 31, 31, 0.98);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo img {
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.6));
  object-fit: contain;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.2rem;
}

.nav-link {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-muted);
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero-section {
  position: relative;
  min-height: 100vh;
  padding: 9.5rem 0 6.5rem 0;
  display: flex;
  align-items: center;
  background: radial-gradient(circle at 10% 20%, rgba(245, 158, 11, 0.1) 0%, transparent 45%),
              radial-gradient(circle at 90% 80%, rgba(56, 189, 248, 0.08) 0%, transparent 45%),
              var(--bg-dark);
}

.hero-container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3.5rem;
  align-items: center;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--primary-light);
  border: 1px solid rgba(245, 158, 11, 0.35);
  padding: 0.4rem 1.1rem;
  border-radius: 30px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--primary);
  margin-bottom: 1.5rem;
}

.badge-pulse {
  width: 8px;
  height: 8px;
  background-color: var(--primary);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.7);
  animation: pulse-ring 1.8s infinite;
}

@keyframes pulse-ring {
  0% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.7); }
  70% { box-shadow: 0 0 0 10px rgba(245, 158, 11, 0); }
  100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0); }
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.4rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.2rem;
  background: linear-gradient(135deg, #FFFFFF 30%, #D1D5DB 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  max-width: 640px;
}

.hero-cta-group {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero-trust-badges {
  display: flex;
  gap: 2rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text-muted);
  font-size: 0.92rem;
  font-weight: 600;
}

.trust-icon {
  color: var(--primary);
}

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

.hero-image-card {
  position: relative;
  background: linear-gradient(145deg, #282828, #1c1c1c);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 3rem 2rem;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.hero-logo-img {
  max-width: 250px;
  margin: 0 auto;
  filter: drop-shadow(0 10px 20px rgba(0,0,0,0.7));
}

.floating-stat-card {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background: var(--bg-card);
  border: 1px solid var(--border-highlight);
  padding: 1rem 1.5rem;
  border-radius: 16px;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(10px);
}

.stat-icon {
  width: 48px;
  height: 48px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.stat-info {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.stat-number {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--text-main);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ==========================================
   SEÇÃO QUEM SOMOS MAIOR E DESTACADA
   ========================================== */
.section-quem-somos {
  padding: 7.5rem 0;
  background-color: var(--bg-surface);
}

.quem-somos-wrapper {
  max-width: 1000px;
  margin: 0 auto;
}

.quem-somos-title {
  font-size: 3.5rem !important;
  font-weight: 900 !important;
  letter-spacing: -1px;
  margin-top: 0.5rem;
}

.quem-somos-card {
  background: linear-gradient(145deg, #282828 0%, #202020 100%);
  border: 1px solid var(--border-highlight);
  padding: 3.5rem 4rem;
  border-radius: 28px;
  box-shadow: var(--shadow-lg), 0 0 35px rgba(245, 158, 11, 0.08);
  position: relative;
  margin-top: 2.5rem;
}

.quem-somos-text {
  font-size: 1.35rem !important;
  color: var(--text-muted);
  line-height: 1.9 !important;
}

.quem-somos-text b {
  color: #FFFFFF;
  font-weight: 700;
}

/* ==========================================
   ÁREAS DE ATUAÇÃO COM TITULO NAS IMAGENS
   ========================================== */
.carousel-container {
  position: relative;
  margin-top: 2.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.carousel-track-wrapper {
  overflow: hidden;
  width: 100%;
  border-radius: 20px;
  padding: 0.5rem 0;
}

.carousel-track {
  display: flex;
  gap: 1.5rem;
  transition: transform 0.5s ease-in-out;
}

.carousel-slide {
  min-width: calc(33.333% - 1rem);
  background: var(--bg-card);
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: var(--transition);
  height: 260px;
}

.carousel-slide:hover {
  transform: translateY(-6px);
  border-color: var(--border-highlight);
  box-shadow: var(--shadow-lg);
}

.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.carousel-slide:hover img {
  transform: scale(1.1);
}

.slide-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 2.5rem 1.2rem 1.2rem 1.2rem;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0.6) 60%, transparent 100%);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  text-align: center;
  transition: var(--transition);
}

.slide-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.2rem;
  color: #FFFFFF;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.8);
  border-bottom: 2px solid var(--primary);
  padding-bottom: 0.3rem;
}

.carousel-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  flex-shrink: 0;
  z-index: 10;
}

.carousel-btn:hover {
  background: var(--primary);
  color: var(--bg-dark);
  border-color: var(--primary);
}

/* ==========================================
   SEÇÃO PRONTO PARA OTIMIZAR (DEGRADÊ > 50%)
   ========================================== */
.cta-banner-section {
  padding: 6rem 0;
  position: relative;
  /* Degradê preto bem escuro cobrindo mais de 50% */
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.92) 0%, rgba(20, 20, 20, 0.88) 100%),
              url('https://serralub.com.br/wp-content/uploads/2026/05/lubrificantes.png') center/cover no-repeat;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.cta-banner-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 2;
}

.rating-stars {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: #FBBF24;
  margin-bottom: 1.2rem;
  font-size: 1.3rem;
}

.rating-text {
  color: var(--text-muted);
  font-size: 1rem;
  margin-left: 0.6rem;
  font-weight: 600;
}

.cta-banner-title {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 900;
  margin-bottom: 2rem;
  color: #FFFFFF;
  text-shadow: 0 4px 12px rgba(0,0,0,0.8);
}

/* Product Cards */
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.product-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-highlight);
  box-shadow: var(--shadow-lg);
}

.product-image-box {
  position: relative;
  height: 220px;
  overflow: hidden;
  background-color: #121212;
}

.product-image-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.product-card:hover .product-image-box img {
  transform: scale(1.08);
}

.product-badge {
  position: absolute;
  top: 15px;
  right: 15px;
  background: rgba(31, 31, 31, 0.9);
  border: 1px solid var(--border-color);
  color: var(--primary);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  backdrop-filter: blur(8px);
}

.product-content {
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-title {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--text-main);
}

.card-divider {
  width: 40px;
  height: 3px;
  background: var(--primary);
  margin: 0.8rem 0 1.2rem 0;
  border-radius: 2px;
}

.product-text {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  flex-grow: 1;
  line-height: 1.6;
}

.product-link {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
}

.product-link:hover {
  color: var(--text-main);
  gap: 0.8rem;
}

/* Accordion Section */
.accordion-group {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.accordion-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  transition: var(--transition);
}

.accordion-item.active {
  border-color: var(--border-highlight);
}

.accordion-header {
  width: 100%;
  padding: 1.2rem 1.5rem;
  background: none;
  border: none;
  color: var(--text-main);
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

.accordion-title {
  color: var(--text-main);
}

.accordion-icon {
  color: var(--primary);
  font-size: 0.9rem;
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0, 1, 0, 1);
  padding: 0 1.5rem;
}

.accordion-item.active .accordion-content {
  max-height: 500px;
  padding: 0 1.5rem 1.5rem 1.5rem;
  transition: max-height 0.4s ease-in-out;
}

.accordion-content p {
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.6;
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
}

/* Form Prompt Section */
.form-prompt-section {
  padding: 6.5rem 0;
  background: radial-gradient(circle at 50% 50%, rgba(245, 158, 11, 0.12) 0%, transparent 65%),
              var(--bg-surface);
  border-top: 1px solid var(--border-color);
}

.form-prompt-container {
  max-width: 850px;
}

.form-prompt-title {
  font-family: var(--font-heading);
  font-size: 2.3rem;
  font-weight: 800;
  color: var(--text-main);
  margin: 1rem 0 2.5rem 0;
  line-height: 1.3;
}

/* Footer & Créditos da Agência */
.footer {
  background: #141414;
  border-top: 1px solid var(--border-color);
  padding: 4.5rem 0 2rem 0;
}

.footer-grid {
  margin-bottom: 3rem;
}

.footer-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 1.2rem;
  text-transform: capitalize;
}

.footer-text, .footer-contact-list li {
  color: var(--text-muted);
  font-size: 0.98rem;
  margin-bottom: 0.8rem;
  list-style: none;
}

.footer-icon {
  color: var(--primary);
  margin-right: 0.5rem;
}

.social-links {
  display: flex;
  gap: 0.8rem;
}

.social-links a {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  color: var(--text-subtle);
  font-size: 0.9rem;
}

.agency-credit {
  margin-top: 0.5rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.agency-link {
  color: var(--primary);
  font-weight: 700;
  text-decoration: underline;
  transition: var(--transition);
}

.agency-link:hover {
  color: #FFFFFF;
  text-shadow: 0 0 10px rgba(245, 158, 11, 0.6);
}

/* Floating WhatsApp Button Widget */
.floating-whatsapp {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 62px;
  height: 62px;
  background-color: var(--whatsapp);
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  box-shadow: var(--shadow-wa);
  z-index: 999;
  transition: var(--transition);
  animation: pulse-wa 2s infinite;
}

.floating-whatsapp:hover {
  background-color: var(--whatsapp-hover);
  transform: scale(1.1);
  color: #FFFFFF;
}

.whatsapp-badge {
  position: absolute;
  top: -2px;
  right: -2px;
  background-color: #EF4444;
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 800;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--bg-dark);
}

.whatsapp-tooltip {
  position: absolute;
  right: 72px;
  background: var(--bg-card);
  color: var(--text-main);
  padding: 0.4rem 0.9rem;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  pointer-events: none;
}

.floating-whatsapp:hover .whatsapp-tooltip {
  opacity: 1;
  visibility: visible;
}

@keyframes pulse-wa {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.6); }
  70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* Responsiveness (Mobile & Tablet) */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .hero-cta-group {
    justify-content: center;
  }
  
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .carousel-slide {
    min-width: calc(50% - 0.75rem);
  }
  
  .quem-somos-title {
    font-size: 2.8rem !important;
  }

  .quem-somos-card {
    padding: 2.5rem 2rem;
  }

  .quem-somos-text {
    font-size: 1.15rem !important;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.2rem;
  }
  
  .section-title {
    font-size: 2rem;
  }

  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }

  .mobile-toggle {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: 75px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 75px);
    background: var(--bg-surface);
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    transition: var(--transition);
    border-top: 1px solid var(--border-color);
  }

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

  .carousel-slide {
    min-width: 100%;
  }

  .header-actions .btn {
    padding: 0.6rem 1.2rem;
    font-size: 0.8rem;
  }

  .floating-whatsapp {
    bottom: 20px;
    right: 20px;
    width: 52px;
    height: 52px;
    font-size: 1.8rem;
  }
}