/* ── Skip link ── */
.skip-link {
  position: absolute;
  top: -60px;
  left: 16px;
  z-index: 1001;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--navy-900);
  color: var(--white);
  font-weight: 700;
  box-shadow: var(--shadow-md);
}

.skip-link:focus {
  top: 16px;
}

/* ── Site header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(255, 255, 255, 0.58);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  will-change: background, box-shadow;
  animation: headerDrop 0.55s cubic-bezier(0.16, 1, 0.3, 1) both;
  /* Notch / Dynamic Island safe area */
  padding-top: env(safe-area-inset-top);
}

@keyframes headerDrop {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Scrolled state — border + shadow appear */
.site-header.scrolled {
  border-color: rgba(215, 227, 240, 0.7);
  box-shadow: 0 4px 24px rgba(11, 35, 65, 0.07);
}

/* Homepage only: start transparent over the dark hero */
.front-page .site-header:not(.scrolled) {
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-color: transparent;
  box-shadow: none;
}

/* ── Header layout ── */
.header-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 16px;
}

/* ── Logo / branding ── */
.site-branding {
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex-shrink: 0;
}

.logo-wrap {
  display: flex;
  align-items: center;
}

.logo-wrap img {
  max-height: 160px;
  width: auto;
  transition: opacity 240ms ease;
}

.logo-wrap:hover img {
  opacity: 0.82;
}

.site-title {
  font-weight: 800;
  color: var(--navy-900);
  font-size: 1.2rem;
  line-height: 1.1;
}

.site-tagline {
  margin: 4px 0 0;
  color: var(--text-soft);
  font-size: 0.86rem;
}

/* Homepage: white logo + title over dark hero */
.front-page .site-header:not(.scrolled) .site-title {
  color: #ffffff;
}

.front-page .site-header:not(.scrolled) .logo-wrap img {
  /* Logo has its own dark background — no invert needed */
}

/* ── Primary nav ── */
.primary-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

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

/* Nav link base */
.primary-menu li a,
.menu-fallback li a {
  position: relative;
  display: block;
  padding: 9px 13px;
  border-radius: 10px;
  color: var(--navy-900);
  font-weight: 600;
  font-size: 0.92rem;
  transition: color 220ms ease;
}

/* Underline indicator — grows left to right on hover (Dreelio-style) */
.primary-menu li a::after,
.menu-fallback li a::after {
  content: '';
  position: absolute;
  bottom: 5px;
  left: 13px;
  right: 13px;
  height: 1.5px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue-700), var(--cyan-400));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 260ms cubic-bezier(0.16, 1, 0.3, 1);
}

.primary-menu li a:hover,
.menu-fallback li a:hover {
  color: var(--blue-700);
}

.primary-menu li a:hover::after,
.menu-fallback li a:hover::after {
  transform: scaleX(1);
}

/* Current page: underline always shown */
.primary-menu .current-menu-item > a,
.primary-menu .current-page-ancestor > a {
  color: var(--blue-700);
}

.primary-menu .current-menu-item > a::after,
.primary-menu .current-page-ancestor > a::after {
  transform: scaleX(1);
  opacity: 0.55;
}

/* Homepage over dark hero: white nav links */
.front-page .site-header:not(.scrolled) .primary-menu li a,
.front-page .site-header:not(.scrolled) .menu-fallback li a {
  color: rgba(255, 255, 255, 0.88);
}

.front-page .site-header:not(.scrolled) .primary-menu li a::after,
.front-page .site-header:not(.scrolled) .menu-fallback li a::after {
  background: linear-gradient(90deg, #fff, rgba(76, 201, 240, 0.9));
}

.front-page .site-header:not(.scrolled) .primary-menu li a:hover,
.front-page .site-header:not(.scrolled) .menu-fallback li a:hover {
  color: #ffffff;
}

/* ── CTA button ── */
.nav-cta {
  border-radius: 999px !important;
  padding: 8px 20px !important;
  font-size: 0.88rem !important;
  min-height: 38px !important;
  margin-left: 6px;
}

/* CTA on dark homepage hero */
.front-page .site-header:not(.scrolled) .nav-cta {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.1);
}

.front-page .site-header:not(.scrolled) .nav-cta:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.55);
}

/* ── Language switcher ── */
.language-switcher {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px;
  border: 1px solid rgba(215, 227, 240, 0.95);
  border-radius: 999px;
  background: rgba(248, 252, 255, 0.92);
  margin-left: 2px;
}

.language-switcher__item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  min-height: 30px;
  padding: 0 10px;
  border-radius: 999px;
  color: var(--navy-900);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background 200ms ease, color 200ms ease;
}

.language-switcher__item.is-active {
  background: linear-gradient(135deg, rgba(20, 93, 160, 0.14), rgba(47, 143, 240, 0.12));
  color: var(--blue-700);
}

.language-switcher__item.is-static {
  opacity: 0.55;
}

/* Language switcher on dark hero */
.front-page .site-header:not(.scrolled) .language-switcher {
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.08);
}

.front-page .site-header:not(.scrolled) .language-switcher__item {
  color: rgba(255, 255, 255, 0.85);
}

.front-page .site-header:not(.scrolled) .language-switcher__item.is-active {
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
}

/* ── Hamburger toggle ── */
.menu-toggle {
  display: none;
  width: 44px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid rgba(215, 227, 240, 0.9);
  background: transparent;
  padding: 9px 10px;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  transition: border-color 200ms ease, background 200ms ease;
}

.menu-toggle:hover {
  background: #f0f6fd;
  border-color: rgba(20, 93, 160, 0.2);
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--navy-900);
  border-radius: 999px;
  transition: transform 260ms cubic-bezier(0.16, 1, 0.3, 1), opacity 200ms ease;
}

.menu-toggle.is-active span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.menu-toggle.is-active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.menu-toggle.is-active span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Hamburger on dark hero */
.front-page .site-header:not(.scrolled) .menu-toggle {
  border-color: rgba(255, 255, 255, 0.25);
}

.front-page .site-header:not(.scrolled) .menu-toggle span {
  background: rgba(255, 255, 255, 0.9);
}

/* ── Responsive ── */
@media (max-width: 820px) {

  /* ── Force dark text in the white mobile dropdown regardless of hero state ── */
  .primary-nav .primary-menu li a,
  .primary-nav .menu-fallback li a,
  .front-page .site-header .primary-nav .primary-menu li a,
  .front-page .site-header .primary-nav .menu-fallback li a,
  .front-page .site-header:not(.scrolled) .primary-nav .primary-menu li a,
  .front-page .site-header:not(.scrolled) .primary-nav .menu-fallback li a {
    color: var(--navy-900) !important;
  }

  /* ── Header bar ── */
  .site-header {
    overflow: visible;
  }

  .header-wrap {
    min-height: 64px;
    gap: 12px;
    padding: 0 4px;
  }

  /* Shrink logo so there is breathing room */
  .logo-wrap img {
    max-height: 120px;
  }

  /* ── Hamburger ── */
  .menu-toggle {
    display: flex;
    flex-shrink: 0;
    width: 44px;
    height: 44px;
  }

  /* ── Dropdown panel ── */
  .primary-nav {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    left: 12px;
    right: 12px;
    z-index: 1000;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 8px;
    padding-bottom: max(8px, env(safe-area-inset-bottom));
    border-radius: 18px;
    border: 1px solid rgba(215, 227, 240, 0.85);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(28px);
    -webkit-backdrop-filter: blur(28px);
    box-shadow: 0 20px 52px rgba(11, 35, 65, 0.18), 0 2px 8px rgba(11, 35, 65, 0.06);
    overscroll-behavior: contain;
  }

  @keyframes menuSlideDown {
    from { opacity: 0; transform: translateY(-8px) scale(0.98); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
  }

  .primary-nav.is-open {
    display: flex;
    animation: menuSlideDown 0.28s cubic-bezier(0.16, 1, 0.3, 1) both;
  }

  /* ── Menu items ── */
  .primary-menu,
  .menu-fallback {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    width: 100%;
  }

  .primary-menu li a,
  .menu-fallback li a {
    display: flex;
    align-items: center;
    padding: 12px 14px;
    min-height: 48px;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--navy-900) !important;
    transition: background 160ms ease;
  }

  .primary-menu li a:active,
  .menu-fallback li a:active {
    background: rgba(20, 93, 160, 0.07);
  }

  /* No underline in dropdown */
  .primary-menu li a::after,
  .menu-fallback li a::after {
    display: none;
  }

  /* ── CTA & language ── */
  .nav-cta {
    align-self: stretch !important;
    text-align: center;
    margin-left: 0 !important;
    margin-top: 4px;
    color: var(--navy-900) !important;
    border-color: rgba(20, 93, 160, 0.2) !important;
    background: rgba(248, 252, 255, 0.9) !important;
    min-height: 48px !important;
  }

  .language-switcher {
    align-self: flex-start;
    margin-top: 2px;
    background: rgba(248, 252, 255, 0.92) !important;
    border-color: rgba(215, 227, 240, 0.95) !important;
  }

  .language-switcher__item {
    color: var(--navy-900) !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header,
  .primary-nav {
    animation: none;
  }
}