:root {
  --cream: #FAF7F2;
  --warm-white: #FFFDF9;
  --sage: #8B9E82;
  --sage-light: #C5D1BF;
  --sage-dark: #5F7358;
  --terracotta: #C17F59;
  --terracotta-light: #E8B796;
  --ink: #2C2C2C;
  --ink-soft: #5A5A5A;
  --ink-muted: #8A8A8A;
  --border: #E8E2D9;
  --card-bg: #FFFFFF;
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Outfit', -apple-system, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ---- NAV ---- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 247, 242, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-logo {
  width: 36px;
  height: 36px;
  background: var(--sage);
  color: var(--warm-white);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}

.nav-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--ink);
  letter-spacing: 0.01em;
}

/* ---- HERO ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 2rem 6rem;
  overflow: hidden;
}

.hero-texture {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60vw;
  height: 120%;
  background: radial-gradient(ellipse at center, rgba(139, 158, 130, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 2;
}

.hero-label {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--sage-dark);
  margin-bottom: 2rem;
  padding-left: 0.1rem;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3rem, 7vw, 5.5rem);
  line-height: 1.1;
  color: var(--ink);
  margin-bottom: 2rem;
  max-width: 700px;
}

.hero-title em {
  color: var(--sage-dark);
  font-style: italic;
}

.hero-lede {
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--ink-soft);
  max-width: 540px;
  margin-bottom: 3.5rem;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2rem;
  color: var(--terracotta);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--ink-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 400;
  margin-top: 0.2rem;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* ---- PHILOSOPHY ---- */
.philosophy {
  padding: 7rem 2rem;
  background: var(--warm-white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.philosophy-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: start;
}

.section-tag {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--sage);
  display: block;
  margin-bottom: 1.5rem;
}

.philosophy-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.2;
  color: var(--ink);
  position: sticky;
  top: 6rem;
}

.philosophy-right p {
  color: var(--ink-soft);
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
}

.philosophy-right strong {
  color: var(--ink);
  font-weight: 500;
}

/* ---- PRODUCTS ---- */
.products {
  padding: 7rem 2rem;
  background: var(--cream);
}

.products-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.products-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.2;
  color: var(--ink);
  margin-bottom: 0.5rem;
}

.products-subtitle {
  color: var(--ink-muted);
  font-size: 1.05rem;
  margin-bottom: 3rem;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.product-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.06);
}

.product-card.featured {
  border-color: var(--sage);
  background: linear-gradient(135deg, var(--card-bg) 0%, rgba(139, 158, 130, 0.06) 100%);
  grid-column: span 2;
}

.product-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--cream);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--terracotta);
  margin-bottom: 1.25rem;
}

.product-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.3rem;
  color: var(--ink);
  margin-bottom: 0.75rem;
}

.product-card p {
  font-size: 0.92rem;
  color: var(--ink-soft);
  margin-bottom: 1rem;
  line-height: 1.65;
}

.product-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sage-dark);
  background: rgba(139, 158, 130, 0.12);
  padding: 0.35rem 0.75rem;
  border-radius: 20px;
}

/* ---- TRANSPARENCY ---- */
.transparency {
  padding: 7rem 2rem;
  background: var(--ink);
  color: var(--cream);
}

.transparency-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.transparency .section-tag {
  color: var(--terracotta-light);
}

.transparency-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.2;
  color: var(--cream);
  margin-bottom: 3rem;
}

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

.transparency-item {
  padding: 2rem;
  border: 1px solid rgba(250, 247, 242, 0.1);
  border-radius: 16px;
  background: rgba(250, 247, 242, 0.03);
}

.transparency-number {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--terracotta);
  margin-bottom: 0.75rem;
}

.transparency-item h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.2rem;
  color: var(--cream);
  margin-bottom: 0.5rem;
}

.transparency-item p {
  font-size: 0.92rem;
  color: rgba(250, 247, 242, 0.65);
  line-height: 1.65;
}

/* ---- CLOSING ---- */
.closing {
  padding: 8rem 2rem;
  background: var(--warm-white);
  text-align: center;
  border-top: 1px solid var(--border);
}

.closing-inner {
  max-width: 700px;
  margin: 0 auto;
}

.closing-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.15;
  color: var(--ink);
  margin-bottom: 1.5rem;
}

.closing-title em {
  color: var(--sage-dark);
  font-style: italic;
}

.closing-text {
  font-size: 1.1rem;
  color: var(--ink-muted);
}

/* ---- FOOTER ---- */
.footer {
  padding: 2rem;
  border-top: 1px solid var(--border);
  background: var(--cream);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ink);
}

.footer-logo {
  width: 28px;
  height: 28px;
  background: var(--sage);
  color: var(--warm-white);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.7rem;
}

.footer-contact span,
.footer-note span {
  font-size: 0.85rem;
  color: var(--ink-muted);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .product-card.featured {
    grid-column: span 2;
  }
  .philosophy-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .philosophy-title {
    position: static;
  }
}

@media (max-width: 600px) {
  .hero {
    padding: 7rem 1.25rem 4rem;
    min-height: auto;
  }
  .hero-stats {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
  }
  .stat-divider {
    display: none;
  }
  .product-grid {
    grid-template-columns: 1fr;
  }
  .product-card.featured {
    grid-column: span 1;
  }
  .transparency-grid {
    grid-template-columns: 1fr;
  }
  .nav-inner {
    padding: 0.75rem 1.25rem;
  }
  .philosophy,
  .products,
  .transparency,
  .closing {
    padding: 4rem 1.25rem;
  }
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ---- NAV LINKS ---- */
.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  text-decoration: none;
  transition: color 0.2s ease;
}

.nav-link:hover,
.nav-link--active {
  color: var(--sage-dark);
}

/* ---- BUTTONS ---- */
.btn-primary {
  display: inline-block;
  background: var(--ink);
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.9rem 2rem;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.15s ease;
}

.btn-primary:hover {
  background: var(--sage-dark);
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.9rem 2rem;
  border-radius: 4px;
  border: 1.5px solid var(--border);
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.btn-secondary:hover {
  border-color: var(--ink);
  color: var(--ink);
}

/* ---- PRODUCT CARD LINKS (landing page) ---- */
.product-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.product-card-link .product-icon {
  transition: background 0.2s ease, color 0.2s ease;
}

.product-card-link:hover .product-icon {
  background: var(--sage-light);
  color: var(--sage-dark);
}

.products-cta-row {
  margin-top: 2.5rem;
  text-align: center;
}

/* ---- SHOP HEADER ---- */
.shop-header {
  padding: 8rem 2rem 4rem;
  background: var(--warm-white);
  border-bottom: 1px solid var(--border);
}

.shop-header-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.shop-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.1;
  color: var(--ink);
  margin-bottom: 1rem;
}

.shop-title em {
  color: var(--sage-dark);
  font-style: italic;
}

.shop-subtitle {
  font-size: 1.05rem;
  color: var(--ink-muted);
  max-width: 560px;
}

/* ---- SHOP CATALOG ---- */
.shop-catalog {
  padding: 5rem 2rem;
  background: var(--cream);
}

.shop-catalog-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
}

.catalog-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.catalog-card--featured {
  grid-column: span 2;
  border-color: var(--sage);
  background: linear-gradient(135deg, var(--card-bg) 0%, rgba(139, 158, 130, 0.06) 100%);
}

.catalog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.07);
}

.catalog-card-link {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  padding: 2rem;
  height: 100%;
}

.catalog-card-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--cream);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--terracotta);
  margin-bottom: 1.5rem;
  transition: background 0.2s ease;
}

.catalog-card:hover .catalog-card-icon {
  background: var(--sage-light);
  color: var(--sage-dark);
}

.catalog-card-body {
  flex: 1;
}

.catalog-card-category {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sage-dark);
  margin-bottom: 0.6rem;
}

.catalog-card-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.45rem;
  color: var(--ink);
  margin-bottom: 0.5rem;
  line-height: 1.25;
}

.catalog-card-tagline {
  font-size: 0.95rem;
  color: var(--ink-soft);
  font-style: italic;
  margin-bottom: 0.75rem;
  line-height: 1.5;
}

.catalog-card-desc {
  font-size: 0.88rem;
  color: var(--ink-muted);
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

.catalog-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.catalog-card-price {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--ink);
}

.catalog-card-cta {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sage-dark);
  transition: color 0.2s ease;
}

.catalog-card:hover .catalog-card-cta {
  color: var(--terracotta);
}

/* ---- BREADCRUMB ---- */
.breadcrumb-bar {
  margin-top: 73px; /* nav height */
  padding: 0.75rem 2rem;
  background: var(--warm-white);
  border-bottom: 1px solid var(--border);
}

.breadcrumb-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.breadcrumb-link {
  font-size: 0.82rem;
  color: var(--ink-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.breadcrumb-link:hover {
  color: var(--sage-dark);
}

.breadcrumb-sep {
  color: var(--border);
  font-size: 0.82rem;
}

.breadcrumb-current {
  font-size: 0.82rem;
  color: var(--ink-soft);
}

/* ---- PRODUCT HERO ---- */
.product-hero {
  padding: 4rem 2rem 5rem;
  background: var(--cream);
}

.product-hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 5rem;
  align-items: start;
}

.product-hero-visual {
  position: sticky;
  top: 5.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--warm-white);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 3.5rem 2rem;
  gap: 1.25rem;
}

.product-hero-icon {
  width: 120px;
  height: 120px;
  border-radius: 28px;
  background: var(--cream);
  border: 1.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.8rem;
  color: var(--terracotta);
}

.product-hero-badge {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sage-dark);
  background: rgba(139, 158, 130, 0.12);
  padding: 0.35rem 0.9rem;
  border-radius: 20px;
}

.product-hero-featured-tag {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--terracotta);
  background: rgba(193, 127, 89, 0.1);
  padding: 0.35rem 0.9rem;
  border-radius: 20px;
}

.product-hero-content {
  padding-top: 1rem;
}

.product-hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.1;
  color: var(--ink);
  margin-bottom: 0.75rem;
}

.product-hero-tagline {
  font-size: 1.1rem;
  color: var(--ink-soft);
  font-style: italic;
  margin-bottom: 1rem;
  line-height: 1.6;
}

.product-hero-desc {
  font-size: 0.95rem;
  color: var(--ink-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 480px;
}

.product-hero-price-row {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 2rem;
}

.product-hero-price {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.4rem;
  color: var(--ink);
}

.product-hero-size {
  font-size: 0.82rem;
  color: var(--ink-muted);
  letter-spacing: 0.04em;
}

.product-hero-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.product-hero-note {
  font-size: 0.78rem;
  color: var(--ink-muted);
}

/* ---- PRODUCT DETAIL SECTIONS ---- */
.product-detail-wrap {
  background: var(--warm-white);
  border-top: 1px solid var(--border);
}

.product-section {
  padding: 5rem 2rem;
  border-bottom: 1px solid var(--border);
}

.product-section--alt {
  background: var(--cream);
}

.product-section--dark {
  background: var(--ink);
}

.product-section-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 4rem;
  align-items: start;
}

.product-section-label {
  position: sticky;
  top: 5.5rem;
}

.product-section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.6rem;
  color: var(--ink);
  margin-bottom: 0.5rem;
  line-height: 1.2;
}

.product-section--dark .product-section-title {
  color: var(--cream);
}

.product-section-intro {
  font-size: 0.88rem;
  color: var(--ink-muted);
  line-height: 1.65;
  margin-top: 0.75rem;
}

.product-description {
  font-size: 1rem;
  color: var(--ink-soft);
  line-height: 1.85;
}

.product-science-text {
  font-size: 1rem;
  color: rgba(250, 247, 242, 0.75);
  line-height: 1.85;
}

/* ---- PEPTIDE TABLE ---- */
.peptide-table {
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  font-size: 0.88rem;
}

.peptide-table-head {
  display: grid;
  grid-template-columns: 2fr 1fr 2.5fr;
  gap: 1rem;
  padding: 0.9rem 1.25rem;
  background: var(--ink);
  color: var(--cream);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.peptide-row {
  display: grid;
  grid-template-columns: 2fr 1fr 2.5fr;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border);
  background: var(--card-bg);
  transition: background 0.15s ease;
}

.peptide-row:hover {
  background: rgba(139, 158, 130, 0.05);
}

.peptide-name {
  color: var(--ink);
  font-weight: 400;
}

.peptide-conc {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--terracotta);
  font-size: 0.95rem;
}

.peptide-function {
  color: var(--ink-muted);
  line-height: 1.5;
}

/* ---- INGREDIENT LIST ---- */
.ingredient-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem 2rem;
}

.ingredient-item {
  font-size: 0.9rem;
  color: var(--ink-soft);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  line-height: 1.4;
}

/* ---- CROSS-SELL ---- */
.product-crosssell {
  padding: 6rem 2rem;
  background: var(--sage-light);
  text-align: center;
}

.product-crosssell-inner {
  max-width: 600px;
  margin: 0 auto;
}

.product-crosssell-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  color: var(--ink);
  margin-bottom: 0.75rem;
}

.product-crosssell-sub {
  font-size: 0.95rem;
  color: var(--ink-soft);
  margin-bottom: 2rem;
  line-height: 1.7;
}

/* ---- RESPONSIVE: SHOP & PRODUCT ---- */
@media (max-width: 900px) {
  .shop-catalog-inner {
    grid-template-columns: 1fr;
  }
  .catalog-card--featured {
    grid-column: span 1;
  }
  .product-hero-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .product-hero-visual {
    position: static;
  }
  .product-section-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .product-section-label {
    position: static;
  }
  .ingredient-list {
    grid-template-columns: 1fr;
  }
  .peptide-table-head,
  .peptide-row {
    grid-template-columns: 1fr;
    gap: 0.3rem;
  }
  .peptide-table-head span:not(:first-child),
  .peptide-row span:not(:first-child) {
    font-size: 0.82rem;
  }
}

@media (max-width: 600px) {
  .nav-links {
    gap: 1.25rem;
  }
  .nav-link {
    font-size: 0.78rem;
  }
  .shop-header {
    padding: 7rem 1.25rem 3rem;
  }
  .shop-catalog {
    padding: 3rem 1.25rem;
  }
  .product-hero {
    padding: 2.5rem 1.25rem 3.5rem;
  }
  .product-hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .btn-primary, .btn-secondary {
    text-align: center;
  }
  .product-section {
    padding: 3.5rem 1.25rem;
  }
  .breadcrumb-bar {
    padding: 0.75rem 1.25rem;
  }
}