.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem min(4vw, 2.2rem);
  backdrop-filter: blur(12px);
  background: rgba(245, 239, 224, 0.88);
  border-bottom: 1px solid rgba(42, 61, 42, 0.12);
  transition: box-shadow 200ms ease, background-color 200ms ease;
}

.site-header.is-scrolled {
  box-shadow: 0 8px 28px rgba(42, 61, 42, 0.1);
  background: rgba(250, 245, 234, 0.96);
}

.site-header.compact {
  position: static;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: "Noto Serif SC", serif;
  color: var(--deep-green);
  font-weight: 700;
}

.brand img {
  width: 42px;
  height: 42px;
  object-fit: cover;
  border-radius: 50%;
  border: 1px solid var(--border);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  background: var(--surface);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 20px;
  margin: 0 auto;
  background: var(--deep-green);
  border-radius: 2px;
  transition: transform 200ms ease, opacity 200ms ease;
}

.site-header.is-open .nav-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-header.is-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

.site-header.is-open .nav-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-backdrop {
  position: fixed;
  inset: 0;
  z-index: 35;
  background: rgba(20, 18, 14, 0.45);
  backdrop-filter: blur(2px);
}

.site-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.site-nav a {
  color: var(--deep-green);
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
}

.site-nav a:hover {
  background: rgba(42, 61, 42, 0.08);
}

.nav-pill {
  background: var(--deep-green);
  color: #f8f6f1 !important;
}

.lang-toggle {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.45rem 0.85rem;
  cursor: pointer;
  color: var(--deep-green);
  font-weight: 600;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.2rem;
  box-shadow: var(--shadow);
}

.accordion-group {
  max-width: 900px;
  display: grid;
  gap: 0.8rem;
}

details {
  border: 1px solid var(--border);
  border-radius: 0.9rem;
  background: var(--surface);
  padding: 0.7rem 1rem;
}

summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--deep-green);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1rem;
}

.product-card {
  border: 1px solid var(--border);
  border-radius: 1rem;
  overflow: hidden;
  background: var(--surface);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.product-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.product-card-body {
  padding: 0.95rem;
}

.product-card h3 {
  margin-top: 0;
  font-size: 1.1rem;
}

.product-chip {
  display: inline-block;
  border: 1px solid rgba(139, 99, 67, 0.3);
  color: var(--earth);
  font-size: 0.82rem;
  border-radius: 999px;
  padding: 0.22rem 0.65rem;
}

.filter-row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.filter-btn {
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--deep-green);
  padding: 0.35rem 0.75rem;
  cursor: pointer;
}

.filter-btn.is-active {
  background: var(--deep-green);
  color: #fff;
}

.section-cta {
  margin-top: 1.5rem;
}

.contact-form {
  display: grid;
  gap: 0.8rem;
  max-width: 680px;
}

.contact-form label {
  display: grid;
  gap: 0.4rem;
}

.contact-form input,
.contact-form textarea {
  border: 1px solid var(--border);
  border-radius: 0.8rem;
  padding: 0.65rem 0.75rem;
  font: inherit;
  background: #fffdfa;
}

.detail-layout {
  display: grid;
  grid-template-columns: minmax(260px, 520px) 1fr;
  gap: 1.2rem;
  align-items: start;
}

.detail-image {
  border-radius: 1rem;
  border: 1px solid var(--border);
}

.detail-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1rem;
}

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .site-header {
    flex-wrap: nowrap;
  }

  .site-nav {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: min(88vw, 320px);
    margin: 0;
    padding: 5rem 1.25rem 2rem;
    flex-direction: column;
    align-items: flex-start;
    flex-wrap: nowrap;
    gap: 0.35rem;
    background: rgba(250, 245, 234, 0.98);
    border-left: 1px solid var(--border);
    box-shadow: -12px 0 40px rgba(0, 0, 0, 0.12);
    transform: translateX(105%);
    transition: transform 260ms ease;
    z-index: 45;
  }

  .site-header.is-open .site-nav {
    transform: translateX(0);
  }

  .site-nav a {
    width: 100%;
    padding: 0.55rem 0.75rem;
  }

  .detail-layout {
    grid-template-columns: 1fr;
  }
}