/* ============================================================
   SITE HEADER
   ============================================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: rgba(254, 252, 248, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 0.5px solid var(--clr-border);
  transition: box-shadow var(--ease-standard);
}

.site-header.is-scrolled {
  box-shadow: 0 2px 20px rgba(30, 28, 28, 0.08);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-6);
  min-height: 72px;
}

/* Logo */
.site-header__logo {
  flex-shrink: 0;
}

.site-header__logo a {
  display: block;
}

.site-header__logo-img {
  height: 48px;
  width: auto;
  max-width: 180px;
}

.site-header__logo-text {
  font-size: var(--fs-lg);
  font-weight: var(--fw-black);
  color: var(--clr-dark);
  letter-spacing: -0.02em;
}

/* Navigation */
.site-header__nav {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
  flex: 1;
  justify-content: flex-end;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  list-style: none;
}

.nav__item {
  position: relative;
}

.nav__link {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  padding: var(--sp-2) var(--sp-3);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--clr-dark);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: color var(--ease-standard), background var(--ease-standard);
  white-space: nowrap;
}

.nav__link:hover {
  color: var(--clr-red);
  background: var(--clr-red-light);
}

.nav__item--active > .nav__link,
.nav__item.current-menu-item > .nav__link {
  color: var(--clr-red);
  font-weight: var(--fw-bold);
}

/* Chevron for dropdowns */
.nav__chevron {
  transition: transform var(--ease-standard);
  flex-shrink: 0;
}

.nav__item--has-dropdown:hover .nav__chevron,
.nav__item--has-dropdown:focus-within .nav__chevron {
  transform: rotate(180deg);
}

/* Dropdown */
.nav__dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 200px;
  background: var(--clr-white);
  border: 0.5px solid var(--clr-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--sp-2);
  list-style: none;
  z-index: var(--z-dropdown);
}

.nav__item--has-dropdown:hover .nav__dropdown,
.nav__item--has-dropdown:focus-within .nav__dropdown {
  display: block;
}

.nav__link--sub {
  display: block;
  padding: var(--sp-2) var(--sp-3);
  font-size: var(--fs-sm);
  color: var(--clr-dark);
  border-radius: var(--radius-md);
}

.nav__link--sub:hover {
  color: var(--clr-red);
  background: var(--clr-red-light);
}

/* CTA button */
.site-header__cta {
  flex-shrink: 0;
}

/* Hamburger (mobile) */
.site-header__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: var(--sp-2);
  border-radius: var(--radius-md);
  background: transparent;
  border: 0.5px solid var(--clr-border);
  cursor: pointer;
  transition: all var(--ease-standard);
}

.site-header__hamburger:hover {
  border-color: var(--clr-red);
}

.hamburger__line {
  display: block;
  height: 1.5px;
  background: var(--clr-dark);
  border-radius: var(--radius-full);
  transition: transform var(--ease-standard), opacity var(--ease-standard);
  transform-origin: center;
}

.site-header__hamburger[aria-expanded="true"] .hamburger__line:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.site-header__hamburger[aria-expanded="true"] .hamburger__line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.site-header__hamburger[aria-expanded="true"] .hamburger__line:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* ── Mobile menu ──────────────────────────────────────────────── */
@media (max-width: 768px) {

  .site-header__hamburger { display: flex; }

  .site-header__nav {
    display: none;
    position: fixed;
    inset: 72px 0 0 0;
    background: var(--clr-white);
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    padding: var(--sp-6) var(--gutter);
    gap: var(--sp-4);
    overflow-y: auto;
    z-index: calc(var(--z-sticky) - 1);
    border-top: 0.5px solid var(--clr-border);
  }

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

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

  .nav__link {
    padding: var(--sp-4) var(--sp-3);
    font-size: var(--fs-base);
    border-bottom: 0.5px solid var(--clr-border);
    border-radius: 0;
  }

  .nav__dropdown {
    position: static;
    display: block;
    box-shadow: none;
    border: none;
    border-radius: 0;
    padding-left: var(--sp-4);
    background: var(--clr-light);
  }

  .site-header__cta {
    display: flex;
    justify-content: center;
    margin-top: var(--sp-4);
  }
}