.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  min-height: var(--header-height);
  background: rgb(255 255 255 / 0.96);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  min-height: var(--header-height);
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.brand {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  text-decoration: none;
}

.brand picture {
  display: flex;
  align-items: center;
}

.brand-logo {
  display: block;
  width: auto;
  height: 46px;
  object-fit: contain;
}

.primary-navigation {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.primary-navigation a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  color: var(--color-copy);
  font-size: var(--text-sm);
  font-weight: 650;
  text-decoration: none;
  transition: color var(--transition);
}

.primary-navigation a:hover {
  color: var(--color-primary);
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  padding: 11px;
  cursor: pointer;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  margin-block: 4px;
  background: var(--color-ink);
  border-radius: var(--radius-pill);
}

.hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(4.5rem, 9vw, 8.5rem);
  background:
    linear-gradient(90deg, var(--color-primary) 0 52%, var(--color-secondary) 52% 84%, var(--color-accent) 84%) top / 100% 5px no-repeat,
    var(--color-surface);
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(18rem, 0.72fr);
  align-items: center;
  gap: clamp(3rem, 8vw, 7.5rem);
}

.hero-summary {
  max-width: 59ch;
  margin-bottom: var(--space-8);
  font-size: var(--text-lg);
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.35rem;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 750;
  text-align: center;
  text-decoration: none;
  transition: background-color var(--transition), transform var(--transition);
}

.button-primary {
  color: #fff;
  background: var(--color-primary);
}

.button-primary:hover {
  background: var(--color-primary-strong);
  transform: translateY(-2px);
}

.practice-guide {
  position: relative;
  padding: var(--space-8);
  background: var(--color-surface-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.practice-guide::before {
  position: absolute;
  top: var(--space-8);
  bottom: var(--space-8);
  left: 3.47rem;
  width: 2px;
  background: linear-gradient(var(--color-primary), var(--color-secondary), var(--color-accent));
  content: "";
}

.practice-guide-title {
  margin-bottom: var(--space-6);
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
}

.practice-guide ol {
  display: grid;
  margin-bottom: 0;
  padding: 0;
  gap: var(--space-5);
  list-style: none;
}

.practice-guide li {
  position: relative;
  display: grid;
  min-height: 48px;
  grid-template-columns: 48px 1fr;
  align-items: center;
  gap: var(--space-4);
  color: var(--color-copy);
}

.practice-guide li span:last-child {
  background: var(--color-surface-soft);
}

.practice-guide strong {
  display: block;
  color: var(--color-ink);
}

.guide-number {
  z-index: 1;
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  color: var(--color-primary);
  background: var(--color-surface);
  border: 2px solid currentColor;
  border-radius: 50%;
  font-weight: 800;
}

.practice-guide li:nth-child(2) .guide-number {
  color: var(--color-secondary);
}

.practice-guide li:nth-child(3) .guide-number {
  color: #946d00;
}

.catalog {
  background: var(--color-surface-soft);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(16rem, 0.6fr);
  align-items: end;
  gap: var(--space-12);
}

.section-heading > p {
  max-width: 50ch;
  margin-bottom: var(--space-5);
}

.catalog-grid:not(:empty) {
  display: grid;
  margin-top: var(--space-10);
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6);
}

.catalog-empty {
  display: grid;
  min-height: 13rem;
  margin-top: var(--space-10);
  padding: clamp(1.5rem, 4vw, 3.5rem);
  grid-template-columns: 6px 1fr;
  align-items: center;
  gap: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.catalog-empty[hidden] {
  display: none;
}

.catalog-empty p {
  max-width: 66ch;
  margin-bottom: 0;
}

.empty-marker {
  width: 6px;
  height: 100%;
  min-height: 5rem;
  background: linear-gradient(var(--color-primary) 0 48%, var(--color-secondary) 48% 82%, var(--color-accent) 82%);
  border-radius: var(--radius-pill);
}

.product-card {
  display: flex;
  overflow: hidden;
  min-width: 0;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.product-card-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--color-primary-soft);
}

.product-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: var(--space-6);
}

.product-card-category {
  margin-bottom: var(--space-3);
  color: var(--color-secondary-strong);
  font-size: var(--text-xs);
  font-weight: 750;
}

.product-card-benefits {
  margin: 0 0 var(--space-6);
  padding-left: var(--space-5);
  color: var(--color-copy);
}

.product-card-meta {
  margin-top: auto;
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.product-card .button {
  width: 100%;
  margin-top: var(--space-5);
}

.about {
  border-top: 1px solid var(--color-border);
}

.about-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 0.8fr);
  gap: clamp(3rem, 10vw, 8rem);
}

.about-copy {
  padding-top: var(--space-8);
  border-top: 4px solid var(--color-secondary);
}

.about-copy p:last-child {
  margin-bottom: 0;
}

.site-footer {
  color: #fff;
  background: var(--color-ink);
}

.footer-grid {
  display: grid;
  padding-block: var(--space-16) var(--space-12);
  grid-template-columns: minmax(15rem, 1.4fr) repeat(3, minmax(9rem, 0.75fr));
  gap: var(--space-10);
}

.footer-column h2 {
  color: #fff;
}

.footer-logo {
  display: block;
  width: 144px;
  height: auto;
  margin-bottom: var(--space-5);
}

.footer-brand > p:last-child {
  max-width: 34ch;
}

.footer-column h2 {
  margin-bottom: var(--space-4);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  letter-spacing: 0;
}

.footer-column {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-column a,
.footer-column span,
.footer-brand p,
.footer-bottom p {
  color: #cbd5e1;
  font-size: var(--text-sm);
}

.footer-column a {
  text-underline-offset: 3px;
}

.footer-column a:hover {
  color: #fff;
}

.footer-bottom {
  padding-block: var(--space-5);
  border-top: 1px solid rgb(255 255 255 / 0.14);
}

.footer-bottom p {
  margin: 0;
}