/* partials/site_header.html — layout only. Colors from skins/*.css */

.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem 2.5rem;
  padding: 1rem 2rem;
  background: var(--color-surface);
  color: var(--color-text);
  border-bottom: 2px solid var(--color-line);
}

.site-header__brand {
  font-weight: 700;
  font-size: 1.625rem;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.site-header__nav {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  margin-left: auto;
  font-size: var(--chrome-type-size);
  line-height: 1.4;
}

.site-header__nav a {
  transition: color var(--motion-fast);
}

.site-header__nav a:hover,
.site-header__nav a.active {
  color: var(--color-accent);
}

.site-header__actions {
  display: flex;
  align-items: center;
}

.site-header__menu {
  appearance: none;
  border: 0;
  margin: 0;
  padding: 0;
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  display: none;
  width: 2.375rem;
  height: 2.375rem;
  place-items: center;
}

.site-header__menu svg {
  width: 1.375rem;
  height: 1.375rem;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
}

.site-header__mobile {
  display: none;
  flex-direction: column;
  gap: 0.5rem;
  width: 100%;
  padding: 1rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface-raised);
  font-size: var(--chrome-type-size);
}

.site-header__mobile a {
  padding: 0.75rem;
  border-radius: var(--radius-sm);
}

.site-header__mobile a:hover,
.site-header__mobile a.active {
  background: var(--color-accent-wash);
}

@media (max-width: 768px) {
  .site-header {
    padding: 1rem 1.25rem;
    gap: 1rem;
  }

  .site-header__brand {
    font-size: 1.375rem;
  }

  .site-header__nav {
    display: none;
  }

  .site-header__menu {
    display: grid;
    margin-left: auto;
  }

  .site-header__mobile.is-open {
    display: flex;
  }
}