/*
 * The blur background is on ::before, NOT on .site-header directly.
 * backdrop-filter on the element itself creates a new containing block
 * for position:fixed children — trapping the mobile nav overlay inside
 * the header rather than letting it cover the full viewport.
 */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  /* No backdrop-filter, background, or box-shadow here */
}

.site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(13, 40, 48, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05), 0 4px 24px rgba(0, 0, 0, 0.25);
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, opacity 0.3s ease;
}

/* Home page: transparent until scrolled */
body.home .site-header:not(.scrolled)::before {
  background: transparent;
  border-bottom-color: transparent;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

/* On scroll: slightly more opaque */
.site-header.scrolled::before {
  background: rgba(13, 40, 48, 0.88);
  border-bottom-color: rgba(255, 255, 255, 0.09);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1rem;
}

.site-header__logo img {
  max-height: 40px;
  width: auto;
}

.site-header__logo:hover {
  opacity: 0.85;
}

/* Header is always dark — always show white logo */
.logo-white { display: block; }
.logo-color  { display: none; }

/* Nav links on dark transparent header */
body.home .site-header:not(.scrolled) .nav-primary a {
  color: rgba(255, 255, 255, 0.8);
  border-bottom-color: transparent;
}

body.home .site-header:not(.scrolled) .nav-primary a:hover,
body.home .site-header:not(.scrolled) .nav-primary .current-menu-item a,
body.home .site-header:not(.scrolled) .nav-primary .current_page_item a {
  color: white;
  border-bottom-color: var(--color-accent);
}

/* Nav links on scrolled dark glass header */
.site-header.scrolled .nav-primary a {
  color: rgba(255, 255, 255, 0.8);
}

.site-header.scrolled .nav-primary a:hover,
.site-header.scrolled .nav-primary .current-menu-item a,
.site-header.scrolled .nav-primary .current_page_item a {
  color: white;
  border-bottom-color: var(--color-accent);
}


/* Navigation */
.nav-primary ul {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-primary a {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--weight-normal);
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}

.nav-primary a:hover,
.nav-primary .current-menu-item a,
.nav-primary .current_page_item a {
  color: white;
  border-bottom-color: var(--color-accent);
}

/* Mobile toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 26px;
  height: 18px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  position: relative;
  z-index: 102; /* always above the menu panel */
}

/* Always white — header background is always dark */
.nav-toggle span {
  display: block;
  height: 2px;
  background: white;
  border-radius: 2px;
  transition: transform 0.4s var(--ease-expo), opacity 0.25s ease;
}

/* Animate into X — bring top/bottom bars to center, then rotate */
.nav-toggle.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.nav-toggle.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-toggle.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ============================================
   MOBILE NAVIGATION — Full-screen overlay
   ============================================ */
@media (max-width: 767px) {
  .nav-toggle {
    display: flex;
  }

  /* Full-screen slide-in panel — sits below header (z-index: 100) */
  .nav-primary {
    position: fixed;
    inset: 0;
    display: flex !important;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: var(--color-bg-site); /* #070E12 */
    transform: translateX(100%);
    transition: transform 0.55s var(--ease-expo);
    z-index: 99;
    overflow: hidden;
  }

  /* Teal atmospheric glow behind the links */
  .nav-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 480px;
    height: 480px;
    background: radial-gradient(circle, rgba(59, 160, 181, 0.13) 0%, transparent 68%);
    pointer-events: none;
  }

  /* Vertical accent line on left edge */
  .nav-primary::after {
    content: '';
    position: absolute;
    left: 0;
    top: 20%;
    height: 60%;
    width: 2px;
    background: linear-gradient(
      to bottom,
      transparent,
      var(--color-accent) 25%,
      var(--color-accent) 75%,
      transparent
    );
    opacity: 0.45;
  }

  .nav-primary.open {
    transform: translateX(0);
  }

  /* List layout */
  .nav-primary ul {
    flex-direction: column;
    align-items: center;
    gap: 0;
    text-align: center;
    position: relative;
    z-index: 1;
    width: 100%;
  }

  /* Stagger items in from right */
  .nav-primary li {
    opacity: 0;
    transform: translateX(48px);
    transition: opacity 0.5s ease, transform 0.55s var(--ease-expo);
    width: 100%;
    text-align: center;
  }

  .nav-primary.open li              { opacity: 1; transform: translateX(0); }
  .nav-primary.open li:nth-child(1) { transition-delay: 0.10s; }
  .nav-primary.open li:nth-child(2) { transition-delay: 0.18s; }
  .nav-primary.open li:nth-child(3) { transition-delay: 0.26s; }
  .nav-primary.open li:nth-child(4) { transition-delay: 0.34s; }
  .nav-primary.open li:nth-child(5) { transition-delay: 0.42s; }

  /* Large Audiowide links */
  .nav-primary a {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 8.5vw, 2.75rem);
    font-weight: var(--weight-normal);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    padding: 0.65rem 2rem;
    border-bottom: none;
    position: relative;
    transition: color 0.25s ease;
  }

  /* Expanding underline on hover */
  .nav-primary a::after {
    content: '';
    position: absolute;
    bottom: 0.35rem;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    border-radius: 1px;
    transform: translateX(-50%);
    transition: width 0.3s var(--ease-expo);
  }

  .nav-primary a:hover {
    color: white;
  }

  .nav-primary a:hover::after {
    width: 60%;
  }

  .nav-primary .current-menu-item a,
  .nav-primary .current_page_item a {
    color: var(--color-accent);
  }

  .nav-primary .current-menu-item a::after,
  .nav-primary .current_page_item a::after {
    width: 40%;
  }

  /* Lock body scroll when menu is open */
  body.nav-open {
    overflow: hidden;
  }
}

/* Body offset for fixed header */
body {
  padding-top: 73px;
}

@media (max-width: 767px) {
  body {
    padding-top: 65px;
  }
}