.site-header,
.site-footer,
.section-head,
.guestbook-meta-row,
.guestbook-list-head,
.guestbook-entry__meta,
.guestbook-admin-toolbar,
.guestbook-admin-actions,
.image-slider-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  padding: 1.25rem 0;
  background: rgba(246, 243, 237, 0.96);
  border-bottom: 1px solid var(--line);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.site-footer {
  padding: 2rem 0 3rem;
  margin-top: 4rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.section-head {
  align-items: baseline;
  margin-bottom: 2rem;
  padding-bottom: 0.75rem;
}

.site-nav {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

a,
.brand a,
.site-nav a {
  color: var(--text);
  text-decoration: none;
}

.site-nav a,
.brand a,
.content a,
.post-card a {
  position: relative;
}

.site-nav a::after,
.brand a::after,
.content a::after,
.post-card a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.15rem;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.brand a:hover::after,
.content a:hover::after,
.post-card a:hover::after {
  transform: scaleX(1);
}

.hero-slider__next-zone:focus-visible,
.hero-copy__scroll:focus-visible,
.site-nav a:focus-visible,
.brand a:focus-visible,
.slider-btn:focus-visible,
.newsletter-form input[type="email"]:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.92);
  outline-offset: 3px;
}

.intro,
.content {
  max-width: 68ch;
  margin-left: auto;
  margin-right: auto;
}

.intro,
.home-intro {
  max-width: 34rem;
}

.home-intro {
  width: min(34rem, 90vw);
  margin: 3.5rem auto;
  text-align: left;
}

.single {
  width: 100%;
  padding-bottom: 3rem;
}

.single h1,
.guestbook-head h1 {
  margin: 0 0 1.25rem;
  font-size: clamp(2rem, 6vw, 4.5rem);
  line-height: 1.05;
  font-weight: 500;
}

.single .content {
  text-align: left;
}