/* ========================================
   VISYO — Pet Supplements & Pharmaceuticals
   ======================================== */

/* ---------- Variables ---------- */
:root {
  --primary: #6B2D8B;
  --primary-dark: #4a1d63;
  --primary-light: #8B4DAB;
  --accent: #22a867;
  --accent-hover: #1b8f56;
  --bg: #ffffff;
  --bg-light: #f7f8fa;
  --bg-alt: #faf8fc;
  --text: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06);
  --shadow: 0 4px 16px rgba(0,0,0,.08);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.12);
  --transition: .25s ease;
  --container: 1200px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font: inherit; color: inherit; }
input { font: inherit; }
table { border-collapse: collapse; width: 100%; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Top Bar ---------- */
.top-bar {
  background: var(--primary-dark);
  color: rgba(255,255,255,.85);
  font-size: .8rem;
  padding: 6px 0;
}
.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.top-bar-links a {
  color: rgba(255,255,255,.85);
  margin-left: 20px;
  transition: color var(--transition);
}
.top-bar-links a:hover { color: #fff; }

/* ---------- Header ---------- */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

/* Logo */
.logo { display: flex; align-items: center; }
.logo-img {
  height: 40px;
  width: auto;
}

/* Nav */
.main-nav > ul {
  display: flex;
  gap: 4px;
}
.main-nav > ul > li > a {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: .9rem;
  font-weight: 500;
  color: var(--text);
  transition: background var(--transition), color var(--transition);
}
.main-nav > ul > li > a:hover {
  background: var(--bg-light);
  color: var(--primary);
}

/* Dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 280px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 8px 0;
  z-index: 200;
  list-style: none;
}
.nav-dropdown.is-open > .nav-dropdown-menu { display: block; }
.nav-dropdown-menu li a {
  display: block;
  padding: 10px 20px;
  font-size: .875rem;
  transition: background var(--transition);
}
.nav-dropdown-menu li a:hover { background: var(--bg-light); }

/* Header actions */
.header-actions { display: flex; align-items: center; gap: 8px; }
.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  transition: background var(--transition);
}
.icon-btn:hover { background: var(--bg-light); }

/* Mobile toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
}
.mobile-toggle span {
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: .9rem;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover { background: var(--primary-light); transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-outline {
  border: 2px solid rgba(255,255,255,.4);
  color: #fff;
}
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,.1); }
.btn-white {
  background: #fff;
  color: var(--primary);
  font-weight: 700;
}
.btn-white:hover { transform: translateY(-1px); box-shadow: var(--shadow-lg); }
.btn-sm { padding: 8px 20px; font-size: .85rem; background: var(--primary); color: #fff; border-radius: 6px; }
.btn-sm:hover { background: var(--primary-light); }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
  color: #fff;
  padding: 80px 0 100px;
  overflow: hidden;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-tag {
  text-transform: uppercase;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: rgba(255,255,255,.7);
  margin-bottom: 16px;
}
.hero h1 {
  font-size: 2.8rem;
  line-height: 1.15;
  font-weight: 800;
  margin-bottom: 20px;
}
.hero-desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,.8);
  max-width: 480px;
  margin-bottom: 32px;
}
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-image { display: flex; justify-content: center; }
.hero-img {
  max-height: 420px;
  width: auto;
  border-radius: 20px;
  filter: drop-shadow(0 20px 40px rgba(0,0,0,.3));
}

/* ---------- Trust Bar ---------- */
.trust-bar {
  background: var(--bg-light);
  border-bottom: 1px solid var(--border);
  padding: 32px 0;
}
.trust-bar-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.trust-badge {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.trust-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}
.trust-badge strong {
  display: block;
  font-size: .9rem;
  margin-bottom: 2px;
}
.trust-badge p {
  font-size: .8rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* ---------- All Products Grid ---------- */
.all-products {
  padding: 80px 0;
}
.section-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 8px;
  text-align: center;
}
.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 48px;
  font-size: 1rem;
}
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 24px;
}
.product-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  text-decoration: none;
  color: inherit;
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.card-img {
  background: var(--bg-light);
  height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 16px;
}
.card-img img {
  max-height: 100%;
  width: auto;
  object-fit: contain;
}
.card-category {
  display: inline-block;
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  margin: 20px 20px 8px;
  padding: 3px 10px;
  border-radius: 20px;
  width: fit-content;
}
.cat-immune { background: #e8f5e9; color: #2e7d32; }
.cat-cognitive { background: #fff3e0; color: #e65100; }
.cat-skin { background: #e3f2fd; color: #1565c0; }
.cat-digestive { background: #e8eaf6; color: #283593; }
.product-card h3 {
  font-size: 1rem;
  padding: 0 20px;
  margin-bottom: 8px;
  color: var(--primary-dark);
}
.product-card p {
  font-size: .85rem;
  color: var(--text-muted);
  padding: 0 20px;
  margin-bottom: 20px;
  flex: 1;
}
.product-card .btn { margin: 0 20px 20px; text-align: center; }

/* ---------- Product Detail ---------- */
.product-detail {
  padding: 64px 0 80px;
  border-top: 1px solid var(--border);
}
.product-detail.alt-bg {
  background: var(--bg-alt);
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .825rem;
  color: var(--text-muted);
  margin-bottom: 40px;
}
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .current { color: var(--text); font-weight: 500; }

.product-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-bottom: 64px;
}

/* Gallery */
.product-img-main {
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--border);
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 24px;
}
.product-img-main img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
  border-radius: 8px;
}
.product-thumbnails {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}
.thumb {
  flex: 1;
  aspect-ratio: 1;
  border-radius: var(--radius);
  border: 2px solid var(--border);
  overflow: hidden;
  cursor: pointer;
  transition: border-color var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  padding: 4px;
}
.thumb img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
}
.thumb.active, .thumb:hover { border-color: var(--primary); }

/* Product Info */
.product-category-tag {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 12px;
}
.product-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 12px;
}
.product-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 28px;
  line-height: 1.6;
}
.product-highlights {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}
.highlight {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .9rem;
}

.product-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}
.meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .85rem;
  color: var(--text-muted);
}

/* Size selector (CoatOn) */
.size-options {
  margin-bottom: 24px;
}
.size-label {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.size-btns {
  display: flex;
  gap: 8px;
}
.size-btn {
  padding: 8px 24px;
  border: 2px solid var(--border);
  border-radius: 8px;
  font-weight: 600;
  font-size: .85rem;
  transition: all var(--transition);
}
.size-btn.active,
.size-btn:hover {
  border-color: var(--primary);
  background: rgba(107,45,139,.06);
  color: var(--primary);
}

/* ---------- Product Tabs ---------- */
.product-tabs {
  border-top: 1px solid var(--border);
  padding-top: 48px;
}
.tabs-nav {
  display: flex;
  gap: 4px;
  border-bottom: 2px solid var(--border);
  margin-bottom: 36px;
}
.tab-btn {
  padding: 12px 24px;
  font-size: .9rem;
  font-weight: 600;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition);
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}
.tab-content { display: none; }
.tab-content.active { display: block; }

.tab-two-col {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: start;
}
.tab-two-col h3 { font-size: 1.3rem; margin-bottom: 16px; color: var(--primary-dark); }
.tab-two-col h4 { margin-top: 20px; margin-bottom: 8px; }
.tab-two-col p { color: var(--text-muted); margin-bottom: 12px; }
.tab-two-col ul {
  list-style: disc;
  padding-left: 20px;
  color: var(--text-muted);
}
.tab-two-col ul li { margin-bottom: 6px; }
.tab-image {
  width: 100%;
  border-radius: var(--radius-lg);
  object-fit: cover;
}

/* Ingredients */
.ingredients-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 20px;
}
.ingredient-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.alt-bg .ingredient-card { background: var(--bg-light); }
.ingredient-card h4 { font-size: .95rem; color: var(--primary-dark); margin-bottom: 4px; }
.ingredient-amount {
  font-size: .8rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}
.ingredient-card p:last-child { color: var(--text-muted); font-size: .85rem; margin: 0; }
.ingredients-note {
  margin-top: 20px;
  font-size: .82rem;
  color: var(--text-muted);
  line-height: 1.6;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

#tab-ingredients h3,
[id^="tab-"] h3 { font-size: 1.3rem; color: var(--primary-dark); }

/* Dosage */
.dosage-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 20px;
}
.dosage-section h3 { font-size: 1.3rem; color: var(--primary-dark); }
.dosage-section > p { color: var(--text-muted); margin-top: 8px; margin-bottom: 4px; font-size: .9rem; }
.dosage-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.alt-bg .dosage-card { background: var(--bg-light); }
.dosage-card h4 {
  font-size: 1rem;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.dosage-table th, .dosage-table td {
  text-align: left;
  padding: 10px 16px;
  font-size: .9rem;
}
.dosage-table thead th {
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--text-muted);
  border-bottom: 2px solid var(--border);
}
.dosage-table tbody tr:not(:last-child) td { border-bottom: 1px solid var(--border); }
.dosage-note {
  margin-top: 20px;
  font-size: .82rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Usage steps (CoatOn) */
.usage-steps {
  list-style: decimal;
  padding-left: 20px;
  color: var(--text-muted);
  font-size: .9rem;
}
.usage-steps li {
  margin-bottom: 10px;
  line-height: 1.6;
}

/* ---------- Page Hero (inner pages) ---------- */
.page-hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: #fff;
  padding: 56px 0;
  text-align: center;
}
.page-hero h1 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 8px;
}
.page-hero p {
  color: rgba(255,255,255,.75);
  font-size: 1rem;
}

/* ---------- Contact Page ---------- */
.contact-section {
  padding: 64px 0 80px;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 60px;
  align-items: start;
}
.contact-form-wrap h2 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 28px;
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group label {
  font-size: .85rem;
  font-weight: 600;
  color: var(--text);
}
.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: 8px;
  font-size: .9rem;
  transition: border-color var(--transition);
  background: #fff;
  color: var(--text);
  font-family: inherit;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}
.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-result {
  padding: 14px 18px;
  border-radius: 8px;
  font-size: .9rem;
  font-weight: 500;
  display: none;
}
.form-result-success {
  display: block;
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}
.form-result-error {
  display: block;
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.contact-info-card {
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
}
.contact-info-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  margin-bottom: 12px;
}
.contact-info-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 6px;
}
.contact-info-card p {
  font-size: .875rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}
.contact-link {
  display: inline-block;
  margin-top: 4px;
  font-size: .9rem;
  font-weight: 600;
  color: var(--primary);
  transition: color var(--transition);
}
.contact-link:hover { color: var(--primary-light); }

/* ---------- Legal Pages (Privacy, Terms) ---------- */
.legal-content {
  padding: 64px 0 80px;
}
.legal-container {
  max-width: 800px;
}
.legal-container h2 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-top: 36px;
  margin-bottom: 12px;
}
.legal-container h2:first-child {
  margin-top: 0;
}
.legal-container p {
  font-size: .9rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 12px;
}
.legal-container ul {
  list-style: disc;
  padding-left: 24px;
  margin-bottom: 16px;
}
.legal-container ul li {
  font-size: .9rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 6px;
}
.legal-container a {
  color: var(--primary);
  font-weight: 500;
  transition: color var(--transition);
}
.legal-container a:hover { color: var(--primary-light); }

/* ---------- About Section ---------- */
.about-section {
  padding: 80px 0;
  background: var(--bg-light);
  border-top: 1px solid var(--border);
}
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-text p {
  color: var(--text-muted);
  margin-bottom: 16px;
  font-size: .95rem;
  line-height: 1.7;
}
.about-image img {
  border-radius: var(--radius-lg);
  width: 100%;
  object-fit: cover;
  box-shadow: var(--shadow);
}

/* ---------- Product FAQ ---------- */
.product-faq {
  margin-top: 64px;
  margin-bottom: 80px;
}
.product-faq .section-title {
  margin-bottom: 32px;
}
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.faq-card {
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.faq-card h4 {
  font-size: .95rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
  line-height: 1.4;
}
.faq-card p {
  font-size: .9rem;
  color: var(--text);
  line-height: 1.7;
  margin: 0;
}
@media (max-width: 768px) {
  .faq-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- CTA Banner ---------- */
.cta-banner {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: #fff;
  padding: 60px 0;
}
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.cta-inner h2 { font-size: 1.5rem; margin-bottom: 8px; }
.cta-inner p { color: rgba(255,255,255,.8); }

/* ---------- Footer ---------- */
.site-footer {
  background: #1a0a28;
  color: rgba(255,255,255,.7);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer-logo { margin-bottom: 16px; }
.footer-logo-img {
  height: 36px;
  width: auto;
  filter: brightness(0) invert(1);
}
.footer-brand p {
  font-size: .875rem;
  line-height: 1.7;
  margin-bottom: 12px;
}
.footer-address {
  font-size: .8rem;
  color: rgba(255,255,255,.5);
  margin-bottom: 16px !important;
}
.social-links {
  display: flex;
  gap: 12px;
}
.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  transition: background var(--transition);
}
.social-links a:hover { background: var(--primary); color: #fff; }
.footer-col h4 {
  color: #fff;
  font-size: .85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  font-size: .875rem;
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: #fff; }

.footer-bottom {
  padding: 24px 24px;
  font-size: .78rem;
  text-align: center;
  color: rgba(255,255,255,.4);
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
  .hero h1 { font-size: 2.2rem; }
  .trust-bar-inner { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .tab-two-col { grid-template-columns: 1fr; }
  .about-inner { grid-template-columns: 1fr; }
  .ingredients-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .top-bar { display: none; }

  .mobile-toggle { display: flex; }
  .main-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    padding: 16px 24px;
  }
  .main-nav.open { display: block; }
  .main-nav > ul { flex-direction: column; gap: 0; }
  .main-nav > ul > li > a { padding: 12px 0; }
  .nav-dropdown-menu {
    position: static;
    box-shadow: none;
    border: none;
    padding-left: 16px;
  }
  .nav-dropdown.is-open > .nav-dropdown-menu { display: block; }

  .hero { padding: 48px 0 64px; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .hero h1 { font-size: 1.9rem; }
  .hero-desc { margin: 0 auto 28px; }
  .hero-btns { justify-content: center; }
  .hero-img { max-height: 280px; }

  .product-layout { grid-template-columns: 1fr; gap: 32px; }
  .ingredients-grid { grid-template-columns: 1fr; }
  .dosage-grid { grid-template-columns: 1fr; }

  .tabs-nav { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .tab-btn { padding: 12px 16px; font-size: .825rem; white-space: nowrap; }

  .cta-inner { flex-direction: column; text-align: center; }
  .products-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }

  .all-products { padding: 48px 0; }
  .product-detail { padding: 48px 0 60px; }

  .page-hero h1 { font-size: 1.6rem; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .products-grid { grid-template-columns: 1fr; max-width: 360px; margin-left: auto; margin-right: auto; }
  .trust-bar-inner { grid-template-columns: 1fr; }
}