/* ── Site Header ─────────────────────────────────────────── */

.site-header {
  background-color: var(--color-primary-dark);
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  transition: box-shadow var(--transition-base);
}

.site-header.is-scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,0.35);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
  min-height: 72px;
}

/* 3px clay accent baseline */
.site-header__accent-bar {
  height: 3px;
  background-color: var(--color-accent);
}

/* ── Logo ─────────────────────────────────────────────────── */

.site-logo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-decoration: none;
  flex-shrink: 0;
  line-height: 1;
  gap: 3px;
}

.site-logo:hover { text-decoration: none; opacity: 0.9; }

.site-logo__wordmark {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: #ffffff;
  line-height: 1;
  font-style: italic;
}

.site-logo__rule {
  display: block;
  width: 100%;
  height: 1.5px;
  background-color: var(--color-accent);
}

.site-logo__sub {
  font-family: var(--font-body);
  font-size: 0.5625rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  line-height: 1;
}

/* ── Navigation ───────────────────────────────────────────── */

.site-nav { margin-left: auto; }

.site-nav__list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding: 0;
  margin: 0;
}

.site-nav__list li { margin: 0; }

.site-nav__list a {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.72);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1.5px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.site-nav__list a:hover,
.site-nav__list .current-menu-item > a,
.site-nav__list .current-page-ancestor > a {
  color: #ffffff;
  border-bottom-color: var(--color-accent);
  text-decoration: none;
}

/* ── Header CTA ───────────────────────────────────────────── */

.btn--cta-header {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: #ffffff;
  font-size: var(--text-xs);
  padding: var(--space-2) var(--space-5);
  flex-shrink: 0;
}

.btn--cta-header:hover {
  background-color: var(--color-accent-light);
  border-color: var(--color-accent-light);
  color: #ffffff;
}

/* ── Burger ───────────────────────────────────────────────── */

.site-header__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: var(--space-2);
  background: none;
  border: none;
  cursor: pointer;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.site-header__burger:hover { background: rgba(255,255,255,0.08); }

.burger-line {
  display: block;
  width: 22px;
  height: 2px;
  background-color: rgba(255,255,255,0.85);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-fast);
  transform-origin: center;
}

.site-header__burger.is-open .burger-line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.site-header__burger.is-open .burger-line:nth-child(2) { opacity: 0; transform: scaleX(0); }
.site-header__burger.is-open .burger-line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Mobile ───────────────────────────────────────────────── */

@media (max-width: 860px) {
  .site-header__burger { display: flex; margin-left: auto; }
  .btn--cta-header { display: none; }

  .site-nav {
    position: absolute;
    top: calc(100% + 3px);
    left: 0;
    right: 0;
    background-color: var(--color-primary-dark);
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: var(--space-6) var(--space-6) var(--space-8);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base), transform var(--transition-base);
    z-index: calc(var(--z-header) - 1);
    margin-left: 0;
  }

  .site-nav.is-open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
  }

  .site-nav__list li {
    width: 100%;
    border-bottom: 1px solid rgba(255,255,255,0.07);
  }

  .site-nav__list li:last-child { border-bottom: none; }

  .site-nav__list a {
    display: block;
    padding: var(--space-4) 0;
    font-size: var(--text-sm);
    border-bottom: none;
  }

  .site-nav__list a:hover { border-bottom: none; }
}

@media (max-width: 480px) {
  .site-logo__wordmark { font-size: 1.5rem; }
}