/* Site header — signature centred between the section links, contact CTA at the end */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(244, 239, 231, 0.88);
  backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid rgba(221, 210, 195, 0.7);
  transition:
    background 0.3s ease,
    border-color 0.3s ease;
}
.site-header__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 1.5rem;
  min-height: var(--header-height);
}

/* Phones keep the bar to signature + CTA; the sections are a scroll away */
.site-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.site-nav--start {
  display: none;
}
.site-nav--end .button {
  margin-left: auto;
}
.site-nav--end .site-nav__link {
  display: none;
}

.site-nav__link {
  position: relative;
  font-size: 0.92rem;
  text-decoration: none;
  color: var(--ink-soft);
  transition: color 0.15s ease;
}
.site-nav__link::after {
  content: "";
  position: absolute;
  inset: auto 0 -0.3rem;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}
.site-nav__link:hover {
  color: var(--ink);
}
.site-nav__link:hover::after {
  transform: scaleX(1);
}

@media (min-width: 768px) {
  .site-header__inner {
    grid-template-columns: 1fr auto 1fr;
    gap: 2.5rem;
  }
  .site-nav--start {
    display: flex;
    justify-content: flex-end;
  }
  .site-nav--end .site-nav__link {
    display: inline;
  }
}

/* Cover variant — floats over the hero image, then turns to paper once it scrolls past */
.site-header--cover {
  position: fixed;
  inset-inline: 0;
  background: transparent;
  backdrop-filter: none;
  border-bottom-color: transparent;
}
.site-header--cover .logo__mark--ink,
.site-header--cover.is-solid .logo__mark--white {
  display: none;
}
.site-header--cover.is-solid .logo__mark--ink {
  display: block;
}
.site-header--cover:not(.is-solid) .site-nav__link {
  color: #fff;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.45);
}
.site-header--cover.is-solid {
  background: rgba(244, 239, 231, 0.88);
  backdrop-filter: saturate(1.4) blur(12px);
  border-bottom-color: rgba(221, 210, 195, 0.7);
}
@media (min-width: 768px) {
  .site-header--cover:not(.is-solid) .logo__mark {
    height: 3.4rem;
  }
}