/* Masthead — editorial magazine + Swiss grid */
.masthead {
  border-bottom: 2px solid var(--rl-plum);
  background: var(--rl-white);
  margin-bottom: var(--rl-space-lg);
}
.masthead__top {
  border-bottom: 1px dashed var(--rl-rule);
  padding: 0.45rem 0;
  font-size: 0.75rem;
  color: var(--rl-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: space-between;
}
.masthead__brand-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--rl-space-md);
  align-items: center;
  padding: var(--rl-space-md) 0 var(--rl-space-sm);
}
.masthead__logo {
  width: 48px;
  height: 48px;
  border: 1px dashed var(--rl-plum);
  padding: 4px;
  background: var(--rl-lavender);
}
.masthead__name {
  font-family: var(--rl-font-display);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  color: var(--rl-plum-deep);
  margin: 0;
  letter-spacing: -0.02em;
}
.masthead__tag {
  font-size: 0.82rem;
  color: var(--rl-muted);
  margin: 0.2rem 0 0;
  max-width: 36rem;
}
.masthead__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  padding: var(--rl-space-sm) 0 var(--rl-space-md);
  border-top: 1px solid var(--rl-ink);
}
.masthead__nav a {
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--rl-ink);
}
.masthead__nav a:hover { color: var(--rl-plum); }
.masthead__burger {
  display: none;
  border: 1px dashed var(--rl-plum);
  background: transparent;
  border-radius: var(--rl-radius-pill);
  padding: 0.4rem 0.9rem;
  font-weight: 700;
  cursor: pointer;
  font-family: var(--rl-font-body);
  color: var(--rl-plum);
}
@media (max-width: 720px) {
  .masthead__burger { display: inline-flex; margin: 0.5rem 0; }
  .masthead__nav {
    display: none;
    flex-direction: column;
    border-top: 1px dashed var(--rl-rule);
  }
  .masthead__nav.is-open { display: flex; }
}