/* ============================================================
   Navigation — Sticky header, transparent → white, mobile menu
   PREMIUM REDESIGN
   ============================================================ */

/* ── SITE HEADER ───────────────────────────────────────────── */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition:
    background-color 0.4s ease,
    box-shadow       0.4s ease,
    backdrop-filter  0.4s ease;
  background-color: rgba(30, 36, 84, 0.35);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* Scrolled state — added by JS */
.site-header.is-scrolled {
  background-color: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow:
    0 1px 0 rgba(37,47,108,0.06),
    0 4px 24px rgba(37,47,108,0.08);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

/* ── LOGO ──────────────────────────────────────────────────── */

.site-header__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

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

.site-header__logo img,
.site-header__logo-img {
  height: 60px;
  width: auto;
  display: block;
  border-radius: 8px;
  background: white;
  padding: 4px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
  transition: height var(--transition-base), box-shadow var(--transition-base);
}

/* Scrolled state: logo slightly smaller, no shadow needed */
.site-header.is-scrolled .site-header__logo img,
.site-header.is-scrolled .site-header__logo-img {
  height: 52px;
  box-shadow: none;
  padding: 2px;
}

/* ── PRIMARY NAV ───────────────────────────────────────────── */

.primary-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.primary-nav__list {
  display: flex;
  align-items: center;
  gap: 0;
  list-style: none;
  padding: 0;
  margin: 0;
}

.primary-nav__item {
  position: relative;
}

.primary-nav__link {
  display: block;
  padding: 10px 16px;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: rgba(255,255,255,0.9);
  text-decoration: none;
  position: relative;
  transition: color 0.25s ease;
  border-radius: var(--radius-sm);
}

/* Hover bg — subtle pill */
.primary-nav__link::before {
  content: '';
  position: absolute;
  inset: 4px 6px;
  border-radius: 6px;
  background: rgba(255,255,255,0.08);
  opacity: 0;
  transition: opacity 0.25s ease;
  z-index: -1;
}

.primary-nav__link:hover::before {
  opacity: 1;
}

/* Gold underline — slides in on hover/active */
.primary-nav__link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 16px;
  right: 16px;
  height: 2px;
  background: var(--color-primary-gold);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  border-radius: var(--radius-full);
}

.primary-nav__link:hover::after,
.primary-nav__item.current-menu-item > .primary-nav__link::after,
.primary-nav__item.current-page-ancestor > .primary-nav__link::after {
  transform: scaleX(1);
}

.primary-nav__link:hover {
  color: var(--color-white);
}

/* On scrolled state: dark links */
.site-header.is-scrolled .primary-nav__link {
  color: var(--color-body-text);
}

.site-header.is-scrolled .primary-nav__link::before {
  background: rgba(37,47,108,0.05);
}

.site-header.is-scrolled .primary-nav__link:hover {
  color: var(--color-primary-navy);
}

.site-header.is-scrolled .primary-nav__item.current-menu-item > .primary-nav__link,
.site-header.is-scrolled .primary-nav__item.current-page-ancestor > .primary-nav__link {
  color: var(--color-primary-navy);
}

/* ── NAV CTA BUTTON ────────────────────────────────────────── */

.nav-cta {
  margin-left: var(--space-6);
  padding: 10px 28px;
  background: var(--color-primary-gold);
  color: var(--color-primary-navy) !important;
  border-radius: 50px; /* pill shape */
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  text-decoration: none;
  transition:
    background-color 0.25s ease,
    transform        0.2s ease,
    box-shadow       0.3s ease;
  flex-shrink: 0;
  white-space: nowrap;
  box-shadow: 0 2px 12px rgba(255,195,0,0.3);
  position: relative;
  overflow: hidden;
}

/* Shine sweep effect */
.nav-cta::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -75%;
  width: 50%;
  height: 200%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255,255,255,0.25),
    transparent
  );
  transform: skewX(-15deg);
  transition: left 0.6s ease;
  pointer-events: none;
}

.nav-cta:hover::before {
  left: 125%;
}

.nav-cta:hover {
  background: var(--color-gold-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(255,195,0,0.45);
}

/* ── HAMBURGER BUTTON ──────────────────────────────────────── */

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  cursor: pointer;
  gap: 5px;
  padding: 0;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 10px;
  z-index: calc(var(--z-overlay) + 10);
  position: relative;
  transition: background 0.3s ease;
}

.site-header.is-scrolled .hamburger {
  background: var(--color-navy-light);
  border-color: var(--color-navy-tint);
}

.hamburger__line {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-white);
  border-radius: var(--radius-full);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease, background-color 0.3s ease;
  transform-origin: center;
}

.site-header.is-scrolled .hamburger__line {
  background: var(--color-primary-navy);
}

/* Animate to X when open */
.hamburger.is-active {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.2);
}

.hamburger.is-active .hamburger__line {
  background: var(--color-white);
}

.hamburger.is-active .hamburger__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.is-active .hamburger__line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger.is-active .hamburger__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── MOBILE MENU OVERLAY ───────────────────────────────────── */

.mobile-menu {
  position: fixed;
  inset: 0;
  background: linear-gradient(160deg, var(--color-navy-dark), var(--color-primary-navy) 50%, #2d3a8a);
  z-index: var(--z-overlay);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  opacity: 0;
  pointer-events: none;
  transform: translateX(100%);
  transition: opacity 0.35s ease, transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-menu.is-open {
  opacity: 1;
  pointer-events: all;
  transform: translateX(0);
}

.mobile-menu__list {
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: center;
}

.mobile-menu__item {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-menu.is-open .mobile-menu__item {
  opacity: 1;
  transform: translateY(0);
}

.mobile-menu__link {
  display: block;
  padding: 12px 0;
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 4.5vw, 1.75rem);
  font-weight: 700;
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  transition: color 0.2s ease;
}

.mobile-menu__link:hover {
  color: var(--color-primary-gold);
}

.mobile-menu__cta {
  display: inline-block;
  margin-top: var(--space-6);
  padding: 16px 44px;
  background: var(--color-primary-gold);
  color: var(--color-primary-navy);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-body);
  border-radius: 50px;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 1px;
  box-shadow: 0 4px 20px rgba(255,195,0,0.35);
}

/* ── RESPONSIVE ────────────────────────────────────────────── */

@media (max-width: 1024px) {
  .site-header {
    height: var(--nav-height-mobile);
  }

  .site-header__logo img,
  .site-header__logo-img {
    height: 48px;
  }

  .site-header.is-scrolled .site-header__logo img,
  .site-header.is-scrolled .site-header__logo-img {
    height: 42px;
  }

  .primary-nav {
    display: none;
  }

  .hamburger {
    display: flex;
  }
}