.site-header {
  backdrop-filter: blur(18px);
  background: rgba(251, 246, 238, 0.9);
  border-bottom: 1px solid rgba(231, 217, 194, 0.82);
  min-height: var(--header-height);
  position: sticky;
  top: 0;
  z-index: 20;
}

.scroll-progress {
  background: linear-gradient(90deg, var(--color-gold), var(--color-soft-brown), var(--color-gold));
  height: 3px;
  left: 0;
  position: fixed;
  right: 0;
  top: 0;
  transform: scaleX(0);
  transform-origin: left center;
  z-index: 40;
}

.nav-shell {
  align-items: center;
  display: flex;
  gap: var(--space-xl);
  justify-content: space-between;
  margin: 0 auto;
  max-width: var(--max-width);
  min-height: var(--header-height);
  padding: 0 var(--space-xl);
}

.brand {
  align-items: center;
  display: inline-flex;
  font-weight: 760;
  gap: var(--space-sm);
  text-decoration: none;
}

.brand-mark {
  align-items: center;
  aspect-ratio: 1;
  background: linear-gradient(135deg, var(--color-gold-soft), var(--color-rose-soft));
  border: 1px solid var(--color-border);
  border-radius: 50%;
  display: inline-flex;
  font-size: 0.92rem;
  justify-content: center;
  width: 2.25rem;
}

.nav-list {
  align-items: center;
  display: flex;
  gap: clamp(0.8rem, 2vw, 1.4rem);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-list a {
  border-bottom: 1px solid transparent;
  color: var(--color-muted);
  display: inline-flex;
  font-size: 0.94rem;
  gap: 0.35rem;
  padding: 0.45rem 0;
  text-decoration: none;
}

.nav-list a:hover,
.nav-list a.is-active {
  border-bottom-color: var(--color-gold);
  color: var(--color-gold);
}

.nav-list a.is-active {
  transform: translateY(-1px);
}

.nav-list span {
  color: var(--color-soft-brown);
  font-size: 0.72rem;
}

.nav-toggle {
  align-items: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  cursor: pointer;
  display: none;
  height: 2.65rem;
  justify-content: center;
  width: 2.65rem;
}

.nav-toggle-lines,
.nav-toggle-lines::before,
.nav-toggle-lines::after {
  background: var(--color-text);
  border-radius: 999px;
  display: block;
  height: 2px;
  transition: var(--transition);
  width: 1.1rem;
}

.nav-toggle-lines {
  position: relative;
}

.nav-toggle-lines::before,
.nav-toggle-lines::after {
  content: "";
  left: 0;
  position: absolute;
}

.nav-toggle-lines::before {
  top: -6px;
}

.nav-toggle-lines::after {
  top: 6px;
}

.section-wrap {
  margin: 0 auto;
  max-width: var(--max-width);
  padding: var(--space-3xl) var(--space-xl);
}

body.reveal-ready [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms ease, transform 700ms ease;
}

body.reveal-ready [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

.grid {
  display: grid;
  gap: var(--space-lg);
}

.cards-grid {
  grid-template-columns: repeat(12, 1fr);
}

.cards-grid > * {
  grid-column: span 4;
}

.site-footer {
  align-items: center;
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: var(--space-md);
  justify-content: space-between;
  margin: 0 auto;
  max-width: var(--max-width);
  padding: var(--space-xl);
}

.site-footer p {
  margin-bottom: 0;
}

@media (max-width: 920px) {
  .cards-grid > * {
    grid-column: span 6;
  }
}

@media (max-width: 760px) {
  .nav-shell {
    padding: 0 var(--space-md);
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-list {
    align-items: stretch;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-soft);
    display: none;
    flex-direction: column;
    gap: 0;
    left: 0;
    padding: var(--space-md) var(--space-xl) var(--space-xl);
    position: absolute;
    right: 0;
    top: var(--header-height);
  }

  .nav-list.is-open {
    display: flex;
  }

  .nav-list a {
    border-bottom-color: var(--color-border);
    padding: var(--space-md) 0;
  }

  .cards-grid > * {
    grid-column: 1 / -1;
  }

  .section-wrap {
    padding: var(--space-2xl) var(--space-md);
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    padding: var(--space-xl) var(--space-md);
  }
}