/* ===== SITE HEADER ===== */
#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--white);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition),
              padding var(--transition);
  padding: 0;
}

#site-header.scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  transition: height var(--transition);
}

#site-header.scrolled .header-inner { height: 68px; }

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
}

.site-logo img {
  height: 52px;
  width: auto;
  transition: height var(--transition);
}

#site-header.scrolled .site-logo img { height: 44px; }

.site-logo-text {
  display: flex;
  flex-direction: column;
}

.logo-name {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--black);
  line-height: 1.1;
}

.logo-tagline {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-mid);
  font-weight: 500;
}

/* Navigation */
#primary-navigation {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
  margin: 0; padding: 0;
}

.nav-menu > li > a {
  display: block;
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--dark);
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
}

.nav-menu > li > a:hover,
.nav-menu > li.current-menu-item > a,
.nav-menu > li.current-page-ancestor > a {
  color: var(--primary);
  background: var(--primary-bg);
}

/* Nav CTA */
.nav-cta {
  margin-left: 12px;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px; height: 44px;
  border-radius: var(--radius);
  cursor: pointer;
  background: none; border: none;
  padding: 8px;
}

.hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease, width 0.3s ease;
  transform-origin: center;
}

.hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0; width: 0;
}
.hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--white);
  z-index: 999;
  flex-direction: column;
  padding: 100px 32px 40px;
  overflow-y: auto;
}

.mobile-menu.is-open { display: flex; }

.mobile-menu .nav-menu {
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  width: 100%;
}

.mobile-menu .nav-menu > li { width: 100%; }

.mobile-menu .nav-menu > li > a {
  font-size: 1.4rem;
  font-family: var(--font-heading);
  font-weight: 700;
  padding: 14px 0;
  border-radius: 0;
  border-bottom: 1px solid var(--border);
  display: block;
  width: 100%;
  color: var(--dark);
}

.mobile-menu .nav-menu > li > a:hover { color: var(--primary); background: none; }

.mobile-menu-cta {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mobile-menu-phone {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
}

/* ===== DROPDOWN MENU ===== */
.nav-menu > li { position: relative; }

.nav-menu > li > ul.sub-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 220px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 8px;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  z-index: 100;
}

.nav-menu > li:hover > ul.sub-menu,
.nav-menu > li:focus-within > ul.sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-menu > li > ul.sub-menu li a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  font-size: 0.875rem;
  color: var(--dark);
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}

.nav-menu > li > ul.sub-menu li a:hover {
  background: var(--primary-bg);
  color: var(--primary);
}

/* Arrow indicator on parent */
.nav-menu > li:has(> ul.sub-menu) > a::after {
  content: '';
  display: inline-block;
  width: 0; height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid currentColor;
  margin-left: 5px;
  opacity: 0.5;
  transition: transform 0.2s ease;
}

.nav-menu > li:has(> ul.sub-menu):hover > a::after {
  transform: rotate(180deg);
  opacity: 1;
}