/* ============================================================
   Mantas Brasil — CSS Global
   Design: Industrial Técnico + Verde Ambiental Moderno
   ============================================================ */

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

/* ── Variáveis ─────────────────────────────────────────────── */
:root {
  --c-navy:    #0d2137;
  --c-blue:    #1a4a7a;
  --c-blue-md: #2563a8;
  --c-green:   #0f7a4e;
  --c-green-lt:#1da870;
  --c-orange:  #e8580a;
  --c-white:   #ffffff;
  --c-off:     #f4f6f8;
  --c-gray:    #6b7280;
  --c-dark:    #111827;
  --c-border:  #e2e8f0;

  --font-head: 'Barlow Condensed', sans-serif;
  --font-body: 'Barlow', sans-serif;

  --shadow-sm: 0 1px 3px rgba(0,0,0,.12);
  --shadow-md: 0 4px 16px rgba(0,0,0,.12);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.16);
  --radius:    8px;
  --transition: .25s 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(--c-dark);
  background: var(--c-white);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-blue); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--c-green); }
ul { list-style: none; }

/* ── Topbar ─────────────────────────────────────────────────── */
.topbar {
  background: var(--c-navy);
  color: rgba(255,255,255,.85);
  font-size: 13px;
  padding: 6px 0;
}
.topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.topbar a { color: rgba(255,255,255,.85); }
.topbar a:hover { color: var(--c-white); }
.topbar-phone {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 14px;
  color: var(--c-white);
}
.topbar-phone .icon { color: var(--c-green-lt); }
.topbar-right { display: flex; align-items: center; gap: 20px; }

/* ── Header / Navegação ─────────────────────────────────────── */
.site-header {
  background: var(--c-white);
  border-bottom: 3px solid var(--c-green);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-md);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  gap: 20px;
}
.site-logo img { height: 60px; width: auto; }
.site-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.site-logo-text strong {
  font-family: var(--font-head);
  font-size: 26px;
  font-weight: 800;
  color: var(--c-navy);
  letter-spacing: .5px;
}
.site-logo-text span {
  font-size: 11px;
  color: var(--c-green);
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

/* Nav principal */
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav > li { position: relative; }
.main-nav > li > a {
  display: block;
  padding: 10px 14px;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .5px;
  text-transform: uppercase;
  color: var(--c-navy);
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition);
}
.main-nav > li > a:hover,
.main-nav > li.active > a {
  background: var(--c-off);
  color: var(--c-green);
}
.main-nav > li > a.btn-nav {
  background: var(--c-orange);
  color: var(--c-white);
  padding: 10px 18px;
}
.main-nav > li > a.btn-nav:hover { background: #c94606; color: var(--c-white); }

/* Dropdown */
.dropdown { position: relative; }
.dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-top: 3px solid var(--c-green);
  border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: var(--shadow-lg);
  min-width: 280px;
  z-index: 200;
  padding: 8px 0;
}
.dropdown:hover .dropdown-menu { display: block; }
.dropdown-menu li a {
  display: block;
  padding: 9px 18px;
  font-size: 14px;
  color: var(--c-dark);
  white-space: nowrap;
  transition: background var(--transition), color var(--transition);
}
.dropdown-menu li a:hover {
  background: var(--c-off);
  color: var(--c-green);
  padding-left: 24px;
}
.has-sub { position: relative; }
.has-sub > a::after { content: ' ›'; font-size: 12px; }
.sub-menu {
  display: none;
  position: absolute;
  left: 100%;
  top: 0;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-top: 3px solid var(--c-blue-md);
  box-shadow: var(--shadow-lg);
  min-width: 300px;
  padding: 8px 0;
  z-index: 210;
}
.has-sub:hover .sub-menu { display: block; }
.sub-menu li a { white-space: normal; line-height: 1.3; padding: 8px 18px; }

/* Hamburger */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 8px;
}
.menu-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--c-navy);
  transition: var(--transition);
}
.mobile-nav {
  display: none;
  flex-direction: column;
  background: var(--c-white);
  border-top: 1px solid var(--c-border);
  padding: 12px 0;
}
.mobile-nav a {
  display: block;
  padding: 10px 20px;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 600;
  color: var(--c-navy);
  border-bottom: 1px solid var(--c-border);
}
.mobile-nav a:hover { color: var(--c-green); background: var(--c-off); }
.mobile-nav .sub { padding-left: 36px; font-size: 14px; font-weight: 400; }

/* ── Container ─────────────────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.container-sm { max-width: 840px; margin: 0 auto; padding: 0 20px; }

/* ── Hero ───────────────────────────────────────────────────── */
.hero {
  background: linear-gradient(135deg, var(--c-navy) 0%, var(--c-blue) 60%, var(--c-blue-md) 100%);
  color: var(--c-white);
  padding: 80px 0 60px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero::after {
  content: '';
  position: absolute;
  right: -80px;
  top: -80px;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: rgba(255,255,255,.04);
}
.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-badge {
  display: inline-block;
  background: var(--c-green);
  color: var(--c-white);
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 16px;
}
.hero h1 {
  font-family: var(--font-head);
  font-size: clamp(36px, 5vw, 58px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -1px;
  margin-bottom: 20px;
}
.hero h1 em {
  font-style: normal;
  color: var(--c-green-lt);
}
.hero p {
  font-size: 17px;
  color: rgba(255,255,255,.82);
  max-width: 480px;
  line-height: 1.7;
  margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-img-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-img-wrap img {
  border-radius: var(--radius);
  box-shadow: 0 24px 60px rgba(0,0,0,.4);
  max-height: 380px;
  object-fit: cover;
  width: 100%;
}

/* ── Botões ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .5px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--c-green);
  color: var(--c-white);
}
.btn-primary:hover {
  background: var(--c-green-lt);
  color: var(--c-white);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(15,122,78,.35);
}
.btn-secondary {
  background: transparent;
  color: var(--c-white);
  border-color: rgba(255,255,255,.5);
}
.btn-secondary:hover {
  background: rgba(255,255,255,.12);
  border-color: var(--c-white);
  color: var(--c-white);
}
.btn-outline {
  background: transparent;
  color: var(--c-blue);
  border-color: var(--c-blue);
}
.btn-outline:hover { background: var(--c-blue); color: var(--c-white); }
.btn-orange { background: var(--c-orange); color: var(--c-white); }
.btn-orange:hover { background: #c94606; color: var(--c-white); transform: translateY(-2px); }
.btn-sm { padding: 8px 18px; font-size: 13px; }
.btn-lg { padding: 15px 36px; font-size: 17px; }

/* ── Seções ─────────────────────────────────────────────────── */
section { padding: 64px 0; }
.section-alt { background: var(--c-off); }
.section-dark { background: var(--c-navy); color: var(--c-white); }
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--c-green);
  margin-bottom: 12px;
}
.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--c-green);
}
.section-title {
  font-family: var(--font-head);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  letter-spacing: -.5px;
  line-height: 1.1;
  color: var(--c-navy);
  margin-bottom: 16px;
}
.section-dark .section-title { color: var(--c-white); }
.section-subtitle {
  font-size: 17px;
  color: var(--c-gray);
  max-width: 600px;
  margin-bottom: 48px;
}
.section-dark .section-subtitle { color: rgba(255,255,255,.7); }

/* ── Grid de Produtos ───────────────────────────────────────── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.product-card {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.product-card-img {
  background: var(--c-off);
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.product-card-img img { height: 100%; width: 100%; object-fit: cover; }
.product-card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.product-card-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--c-green);
  margin-bottom: 8px;
}
.product-card-body h3 {
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 700;
  color: var(--c-navy);
  margin-bottom: 10px;
  line-height: 1.2;
}
.product-card-body p {
  font-size: 14px;
  color: var(--c-gray);
  line-height: 1.5;
  flex: 1;
  margin-bottom: 16px;
}
.product-card-footer { padding: 0 20px 20px; }

/* ── Stats / Diferenciais ───────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2px;
  background: rgba(255,255,255,.08);
  border-radius: var(--radius);
  overflow: hidden;
}
.stat-item {
  background: rgba(255,255,255,.06);
  padding: 32px 24px;
  text-align: center;
  transition: background var(--transition);
}
.stat-item:hover { background: rgba(255,255,255,.12); }
.stat-number {
  font-family: var(--font-head);
  font-size: 48px;
  font-weight: 800;
  color: var(--c-green-lt);
  line-height: 1;
  margin-bottom: 6px;
}
.stat-label { font-size: 14px; color: rgba(255,255,255,.75); }

/* ── Features ───────────────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 28px;
}
.feature-item { text-align: center; padding: 8px; }
.feature-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--c-green), var(--c-blue));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  font-size: 28px;
}
.feature-item h3 {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  color: var(--c-navy);
  margin-bottom: 10px;
}
.feature-item p { font-size: 14px; color: var(--c-gray); line-height: 1.6; }

/* ── Breadcrumb ─────────────────────────────────────────────── */
.breadcrumb {
  background: var(--c-off);
  border-bottom: 1px solid var(--c-border);
  padding: 12px 0;
}
.breadcrumb nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--c-gray);
  flex-wrap: wrap;
}
.breadcrumb nav a { color: var(--c-blue); }
.breadcrumb nav a:hover { color: var(--c-green); }
.breadcrumb nav .sep { color: var(--c-border); }

/* ── Page Header ────────────────────────────────────────────── */
.page-header {
  background: linear-gradient(135deg, var(--c-navy) 0%, var(--c-blue) 100%);
  color: var(--c-white);
  padding: 52px 0 44px;
}
.page-header h1 {
  font-family: var(--font-head);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 800;
  letter-spacing: -.5px;
  margin-bottom: 10px;
}
.page-header p {
  font-size: 17px;
  color: rgba(255,255,255,.8);
  max-width: 600px;
}

/* ── Produto detalhe ────────────────────────────────────────── */
.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.product-images { position: sticky; top: 100px; }
.product-main-img {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--c-border);
  margin-bottom: 12px;
  background: var(--c-off);
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-main-img img { width: 100%; object-fit: contain; max-height: 380px; }
.product-info h1 {
  font-family: var(--font-head);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 800;
  color: var(--c-navy);
  line-height: 1.15;
  margin-bottom: 16px;
}
.product-desc { font-size: 16px; color: var(--c-gray); line-height: 1.7; margin-bottom: 28px; }
.product-specs { margin-bottom: 28px; }
.product-specs h3 {
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--c-navy);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--c-green);
}
.spec-list { display: flex; flex-direction: column; gap: 8px; }
.spec-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  padding: 8px 12px;
  background: var(--c-off);
  border-radius: 6px;
}
.spec-item::before {
  content: '✓';
  color: var(--c-green);
  font-weight: 700;
  flex-shrink: 0;
}
.related-products h3 {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 700;
  color: var(--c-navy);
  margin-bottom: 20px;
}
.related-list { display: flex; flex-direction: column; gap: 8px; }
.related-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--c-dark);
  transition: all var(--transition);
}
.related-list a:hover {
  border-color: var(--c-green);
  color: var(--c-green);
  background: rgba(15,122,78,.04);
}
.related-list a::before { content: '→'; color: var(--c-green); }

/* ── Formulários ────────────────────────────────────────────── */
.form-wrap {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-full { grid-column: 1 / -1; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--c-navy);
  text-transform: uppercase;
  letter-spacing: .5px;
}
.form-group label .req { color: var(--c-orange); margin-left: 2px; }
.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 14px;
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--c-dark);
  background: var(--c-white);
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--c-green);
  box-shadow: 0 0 0 3px rgba(15,122,78,.12);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-hint { font-size: 12px; color: var(--c-gray); margin-top: 3px; }
.form-msg {
  padding: 14px 18px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 20px;
}
.form-msg.success { background: #d1fae5; color: #065f46; border: 1px solid #6ee7b7; }
.form-msg.error   { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }

/* ── Representantes ─────────────────────────────────────────── */
.rep-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}
.rep-card {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 24px;
  transition: box-shadow var(--transition), border-color var(--transition);
}
.rep-card:hover { box-shadow: var(--shadow-md); border-color: var(--c-green); }
.rep-state {
  display: inline-block;
  background: var(--c-navy);
  color: var(--c-white);
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 12px;
}
.rep-city {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  color: var(--c-navy);
  margin-bottom: 8px;
}
.rep-phone {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 16px;
  font-weight: 600;
  color: var(--c-green);
}

/* ── CTA Banner ─────────────────────────────────────────────── */
.cta-banner {
  background: linear-gradient(135deg, var(--c-green) 0%, var(--c-blue) 100%);
  color: var(--c-white);
  padding: 60px 0;
  text-align: center;
}
.cta-banner h2 {
  font-family: var(--font-head);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  margin-bottom: 12px;
}
.cta-banner p {
  font-size: 18px;
  color: rgba(255,255,255,.85);
  margin-bottom: 32px;
}
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ── Footer ─────────────────────────────────────────────────── */
.site-footer {
  background: var(--c-navy);
  color: rgba(255,255,255,.75);
  padding: 56px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer-brand img { height: 50px; filter: brightness(0) invert(1); margin-bottom: 16px; }
.footer-brand p { font-size: 14px; line-height: 1.7; color: rgba(255,255,255,.6); max-width: 280px; }
.footer-col h4 {
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--c-white);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--c-green);
}
.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-col ul li a {
  font-size: 14px;
  color: rgba(255,255,255,.65);
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--c-green-lt); }
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: rgba(255,255,255,.7);
  margin-bottom: 12px;
}
.footer-contact-item .ico { color: var(--c-green-lt); flex-shrink: 0; margin-top: 2px; }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  font-size: 13px;
  color: rgba(255,255,255,.4);
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom a { color: rgba(255,255,255,.5); }
.footer-bottom a:hover { color: var(--c-green-lt); }

/* ── WhatsApp Float ─────────────────────────────────────────── */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 56px;
  height: 56px;
  background: #25d366;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  box-shadow: 0 4px 20px rgba(37,211,102,.45);
  z-index: 999;
  transition: transform var(--transition), box-shadow var(--transition);
  text-decoration: none;
}
.whatsapp-float:hover {
  transform: scale(1.12);
  box-shadow: 0 8px 28px rgba(37,211,102,.55);
  color: #fff;
}

/* ── Utilities ──────────────────────────────────────────────── */
.text-center { text-align: center; }
.text-green  { color: var(--c-green); }
.text-navy   { color: var(--c-navy); }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-32 { margin-top: 32px; }
.mb-8  { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-32 { margin-bottom: 32px; }
.mb-48 { margin-bottom: 48px; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 992px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-img-wrap { display: none; }
  .product-detail-grid { grid-template-columns: 1fr; }
  .product-images { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .main-nav { display: none !important; }
  .menu-toggle { display: flex; }
}
@media (max-width: 640px) {
  section { padding: 44px 0; }
  .form-grid { grid-template-columns: 1fr; }
  .form-full { grid-column: 1; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero { padding: 52px 0 40px; }
  .cta-actions { flex-direction: column; align-items: center; }
  .topbar .topbar-right { display: none; }
}