/* ==========================================================================
   BM Vedações - Estilos Oficiais e Modernos
   Desenvolvido com foco em alta performance, usabilidade e responsividade
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --primary: #0d3868;
  --primary-dark: #082240;
  --primary-light: #164e8a;
  --accent: #f39c12;
  --accent-hover: #d68100;
  --accent-light: #fef3e2;
  --secondary: #0ea5e9;
  --success: #10b981;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --bg-body: #f8fafc;
  --bg-surface: #ffffff;
  --bg-alt: #f1f5f9;
  --border-color: #e2e8f0;
  --border-light: #edf2f7;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --container-max: 1240px;
}

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--text-main);
  background-color: var(--bg-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  line-height: 1.25;
  color: var(--primary-dark);
}

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

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

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

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

/* Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-primary { color: var(--primary) !important; }
.text-accent { color: var(--accent) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-white { color: #ffffff !important; }
.fw-bold { font-weight: 700; }
.fw-semibold { font-weight: 600; }

.section-padding {
  padding: 80px 0;
}

@media (max-width: 768px) {
  .section-padding {
    padding: 50px 0;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 28px;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--primary);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-accent {
  background-color: var(--accent);
  color: #ffffff;
}

.btn-accent:hover {
  background-color: var(--accent-hover);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(243, 156, 18, 0.35);
}

.btn-outline-white {
  background: transparent;
  border-color: #ffffff;
  color: #ffffff;
}

.btn-outline-white:hover {
  background: #ffffff;
  color: var(--primary-dark);
  transform: translateY(-2px);
}

.btn-outline-primary {
  background: transparent;
  border-color: var(--primary);
  color: var(--primary);
}

.btn-outline-primary:hover {
  background: var(--primary);
  color: #ffffff;
  transform: translateY(-2px);
}

.btn-whatsapp {
  background-color: #25d366;
  color: #ffffff;
}

.btn-whatsapp:hover {
  background-color: #1ebc59;
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.35);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
}

/* ==========================================================================
   Header & Topbar
   ========================================================================== */
.topbar {
  background-color: var(--primary-dark);
  color: #cbd5e1;
  font-size: 0.85rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.topbar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
}

.topbar-items {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.topbar-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #e2e8f0;
}

.topbar-item a {
  color: #e2e8f0;
}

.topbar-item a:hover {
  color: var(--accent);
}

.topbar-badge {
  background: rgba(243, 156, 18, 0.2);
  color: #fbbf24;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.75rem;
}

/* Navbar */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #ffffff;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo img {
  height: 52px;
  width: auto;
  object-fit: contain;
}

.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 8px;
}

.nav-link {
  display: block;
  padding: 8px 14px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text-main);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
  background-color: var(--bg-alt);
}

/* Dropdown */
.nav-item-dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: #ffffff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  padding: 10px 0;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  border: 1px solid var(--border-color);
  z-index: 100;
}

.nav-item-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 20px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-main);
}

.dropdown-menu a:hover {
  background-color: var(--bg-alt);
  color: var(--primary);
  padding-left: 24px;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--primary-dark);
}

.mobile-toggle svg {
  width: 28px;
  height: 28px;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  position: relative;
  background: linear-gradient(135deg, rgba(8, 34, 64, 0.92) 0%, rgba(13, 56, 104, 0.88) 100%), 
              url('../images/destaque-fachada-bm-vedacoes.webp') center/cover no-repeat;
  color: #ffffff;
  padding: 110px 0 100px 0;
  overflow: hidden;
}

.hero-content {
  max-width: 780px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(243, 156, 18, 0.2);
  border: 1px solid rgba(243, 156, 18, 0.4);
  color: #fbbf24;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.hero h1 {
  font-size: 3.2rem;
  color: #ffffff;
  margin-bottom: 22px;
  line-height: 1.15;
}

.hero p {
  font-size: 1.2rem;
  color: #e2e8f0;
  margin-bottom: 35px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-feature-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero-feature-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}

.hero-feature-text strong {
  display: block;
  font-size: 1.05rem;
  color: #ffffff;
}

.hero-feature-text span {
  font-size: 0.85rem;
  color: #94a3b8;
}

/* Page Header (Inner Pages) */
.page-header {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: #ffffff;
  padding: 60px 0;
  position: relative;
}

.page-header h1 {
  color: #ffffff;
  font-size: 2.4rem;
  margin-bottom: 10px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: #cbd5e1;
}

.breadcrumb a {
  color: #cbd5e1;
}

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

.breadcrumb-separator {
  color: #64748b;
}

/* ==========================================================================
   Brands Showcase Grid
   ========================================================================== */
.brands-strip {
  background: #ffffff;
  padding: 40px 0;
  border-bottom: 1px solid var(--border-color);
}

.brands-title {
  text-align: center;
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 25px;
}

.brands-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 25px;
  align-items: center;
}

.brand-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  height: 140px;
  transition: var(--transition);
}

.brand-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.brand-card img {
  max-height: 55px;
  width: auto;
  object-fit: contain;
  transition: var(--transition);
}

.brand-card span {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary);
  margin-top: 10px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ==========================================================================
   Section Titles & Cards
   ========================================================================== */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 50px auto;
}

.section-subtitle {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 10px;
}

.section-title {
  font-size: 2.3rem;
  color: var(--primary-dark);
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}

.feature-card {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  padding: 35px 30px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(13, 56, 104, 0.2);
}

.feature-icon-wrapper {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: var(--bg-alt);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 1.5rem;
  transition: var(--transition);
}

.feature-card:hover .feature-icon-wrapper {
  background: var(--primary);
  color: #ffffff;
}

.feature-card h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  flex-grow: 1;
}

/* Product Lines Grid */
.lines-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.line-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.line-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--accent);
}

.line-card-img {
  height: 220px;
  overflow: hidden;
  position: relative;
  background: var(--bg-alt);
}

.line-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.line-card:hover .line-card-img img {
  transform: scale(1.06);
}

.line-badge {
  position: absolute;
  top: 15px;
  left: 15px;
  background: rgba(13, 56, 104, 0.85);
  backdrop-filter: blur(4px);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.line-card-body {
  padding: 25px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.line-card-body h3 {
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.line-card-body p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 20px;
  flex-grow: 1;
}

/* Catalogs Grid */
.catalogs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
}

.catalog-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: 25px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  position: relative;
}

.catalog-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.catalog-header {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 15px;
}

.catalog-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: #fee2e2;
  color: #ef4444;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.catalog-brand-badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background: var(--bg-alt);
  color: var(--primary);
  display: inline-block;
  margin-bottom: 4px;
}

.catalog-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.catalog-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  flex-grow: 1;
}

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

.content-img-wrapper {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.content-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.experience-badge {
  position: absolute;
  bottom: 25px;
  right: 25px;
  background: var(--accent);
  color: #ffffff;
  padding: 20px 25px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.experience-badge strong {
  display: block;
  font-size: 2.2rem;
  font-family: 'Plus Jakarta Sans', sans-serif;
  line-height: 1;
}

.experience-badge span {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Contact Section & Form */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 40px;
}

.contact-info-card {
  background: var(--primary-dark);
  color: #ffffff;
  padding: 40px 35px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

.contact-info-card h3 {
  color: #ffffff;
  font-size: 1.6rem;
  margin-bottom: 12px;
}

.contact-info-card p {
  color: #cbd5e1;
  font-size: 0.95rem;
  margin-bottom: 30px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.contact-item-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-item-text strong {
  display: block;
  font-size: 0.9rem;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.contact-item-text a,
.contact-item-text span {
  color: #ffffff;
  font-size: 1.05rem;
  font-weight: 500;
}

.contact-item-text a:hover {
  color: var(--accent);
}

.form-card {
  background: #ffffff;
  padding: 40px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 6px;
  color: var(--text-main);
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text-main);
  background-color: var(--bg-body);
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  background-color: #ffffff;
  box-shadow: 0 0 0 4px rgba(13, 56, 104, 0.1);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.alert {
  padding: 14px 18px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  font-size: 0.92rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.alert-success {
  background-color: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.alert-danger {
  background-color: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* ==========================================================================
   Table & Technical specs
   ========================================================================== */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  background: #ffffff;
}

.tech-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.95rem;
}

.tech-table th {
  background: var(--primary-dark);
  color: #ffffff;
  padding: 14px 18px;
  font-weight: 600;
}

.tech-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-color);
}

.tech-table tr:nth-child(even) {
  background-color: var(--bg-alt);
}

.tech-table tr:hover {
  background-color: var(--accent-light);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background-color: var(--primary-dark);
  color: #94a3b8;
  padding: 70px 0 0 0;
  border-top: 4px solid var(--accent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-widget h4 {
  color: #ffffff;
  font-size: 1.15rem;
  margin-bottom: 22px;
  position: relative;
  padding-bottom: 10px;
}

.footer-widget h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 35px;
  height: 2px;
  background-color: var(--accent);
}

.footer-logo {
  height: 48px;
  width: auto;
  margin-bottom: 18px;
}

.footer-text {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 20px;
  color: #cbd5e1;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: #cbd5e1;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--accent);
  transform: translateX(4px);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 15px;
  font-size: 0.88rem;
  color: #cbd5e1;
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-bottom {
  background-color: #041224;
  padding: 24px 0;
  font-size: 0.85rem;
  color: #64748b;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-bottom-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
}

.footer-bottom a {
  color: #94a3b8;
}

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

.dev-credit {
  color: #cbd5e1;
}

.dev-credit a {
  color: var(--accent);
  font-weight: 600;
}

.dev-credit a:hover {
  text-decoration: underline;
}

/* ==========================================================================
   Floating WhatsApp Button
   ========================================================================== */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 10px;
  background-color: #25d366;
  color: #ffffff;
  padding: 12px 20px;
  border-radius: var(--radius-full);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.45);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  transition: var(--transition);
  animation: pulse-glow 2.5s infinite;
}

.whatsapp-float svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.whatsapp-float:hover {
  background-color: #1ebc59;
  color: #ffffff;
  transform: scale(1.06);
}

@keyframes pulse-glow {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.6); }
  70% { box-shadow: 0 0 0 16px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .hero h1 { font-size: 2.5rem; }
  .brands-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .content-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .topbar { display: none; }
  .mobile-toggle { display: block; }
  
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: #ffffff;
    flex-direction: column;
    align-items: flex-start;
    padding: 25px;
    box-shadow: var(--shadow-xl);
    transition: left 0.3s ease;
    overflow-y: auto;
    gap: 4px;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-link {
    width: 100%;
    padding: 12px 16px;
    font-size: 1rem;
  }
  
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    padding-left: 20px;
    display: none;
  }
  
  .nav-item-dropdown.open .dropdown-menu {
    display: block;
  }
  
  .hero { padding: 70px 0 60px 0; }
  .hero h1 { font-size: 2.1rem; }
  .hero p { font-size: 1.05rem; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom-content { flex-direction: column; text-align: center; }
  .brands-grid { grid-template-columns: 1fr 1fr; }
  
  .whatsapp-float span { display: none; }
  .whatsapp-float { padding: 14px; }
}