.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  padding-top: max(0px, var(--safe-top));
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.site-header.is-scrolled {
  border-color: var(--color-line);
  box-shadow: var(--shadow-sm);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.75rem;
  gap: 1rem;
}

.site-branding__text {
  color: var(--color-heading);
  font-weight: 700;
  font-size: var(--text-lg);
  text-decoration: none;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: #fff;
  color: var(--color-heading);
}

.nav-toggle__label {
  font-size: var(--text-sm);
  font-weight: 600;
}

.site-nav {
  position: absolute;
  top: calc(100% + 1px);
  left: 0;
  right: 0;
  display: none;
  padding: 0 1rem 1rem;
}

.site-nav.is-open {
  display: block;
}

.menu {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.menu a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.75rem 0.875rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--color-heading);
  font-weight: 500;
}

.menu a:hover,
.menu .current-menu-item > a,
.menu .current_page_item > a {
  background: var(--color-surface);
}

@media (min-width: 1025px) {
  .nav-toggle {
    display: none;
  }

  .site-nav {
    position: static;
    display: block;
    padding: 0;
  }

  .menu--primary {
    flex-direction: row;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 0.25rem;
  }
}

.hero__box {
  padding: clamp(1.5rem, 0.938rem + 2.816vi, 3.5rem);
  background:
    radial-gradient(circle at top left, rgba(20, 184, 166, 0.14), transparent 34%),
    radial-gradient(circle at bottom right, rgba(23, 92, 211, 0.14), transparent 40%),
    linear-gradient(180deg, #ffffff, #f7f9fc);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.eyebrow {
  margin: 0;
  color: var(--color-primary);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.c-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0.85rem 1.2rem;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-weight: 600;
  text-decoration: none;
  transition: transform var(--transition-fast), background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.c-btn:hover {
  transform: translateY(-1px);
}

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

.c-btn--primary:hover {
  background: var(--color-primary-hover);
  color: #fff;
}

.c-btn--secondary {
  background: var(--color-surface-2);
  color: var(--color-heading);
}

.c-btn--ghost {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-heading);
}

.c-card {
  min-width: 0;
  overflow: clip;
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.c-card__media img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.c-card__body {
  padding: var(--space-md);
}

.c-card__title {
  font-size: var(--text-lg);
  margin-bottom: 0;
}

.c-card__title a {
  color: inherit;
  text-decoration: none;
}

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

.c-card__excerpt {
  color: var(--color-text-soft);
}

.c-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.c-stack--sm {
  gap: var(--space-sm);
}

.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

@media (min-width: 768px) {
  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1025px) {
  .card-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.site-footer {
  padding-block: var(--space-xl);
  border-top: 1px solid var(--color-line);
  background: var(--color-surface);
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.menu--footer {
  gap: 0.25rem;
}

@media (min-width: 769px) {
  .site-footer__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .menu--footer {
    flex-direction: row;
    flex-wrap: wrap;
  }
}

.search-form__row {
  display: grid;
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .search-form__row {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}