/* =========================================================================
   Header — transparent au-dessus du hero homepage, solide ailleurs
   ========================================================================= */

.np-header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 100;
  transition: background var(--t-base), backdrop-filter var(--t-base), border-color var(--t-base);
  background: rgba(248, 244, 237, 0.94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-block-end: 1px solid var(--np-border);
}

/* Variante overlay (homepage hero) — fond transparent au repos */
.np-header.is-overlay:not(.is-scrolled) {
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-block-end-color: transparent;
}

.np-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  height: 56px;
}
@media (min-width: 1024px) {
  .np-header__inner { height: 72px; }
}

.np-header__brand {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 22px;
  letter-spacing: 0.01em;
  color: var(--np-ink);
  text-decoration: none;
  flex-shrink: 0;
}

.np-nav__list {
  display: none;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--space-5);
}
@media (min-width: 1024px) {
  .np-nav__list { display: flex; }
}

.np-nav__link {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--np-ink);
  text-decoration: none;
  transition: color var(--t-fast);
}
.np-nav__link:hover, .np-nav__link.is-current { color: var(--np-accent); }

.np-header__search {
  color: var(--np-ink);
  display: inline-flex;
  align-items: center;
  padding: var(--space-2);
  border-radius: 50%;
  transition: background var(--t-fast);
}
.np-header__search:hover { background: rgba(168, 42, 42, 0.08); }

/* Compense le header fixe sur les pages non-overlay */
body.np-body:not(.home):not(.front-page) main {
  padding-block-start: 56px;
}
@media (min-width: 1024px) {
  body.np-body:not(.home):not(.front-page) main {
    padding-block-start: 72px;
  }
}