/* Header — desktop staging parity + solid mobile menu */

.site-header {
  z-index: 999;
  position: sticky;
  top: 0;
  height: 80px;
  background-color: transparent;
  transition: background-color 0.35s ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  background-color: rgba(0, 0, 0, 0.8);
}

/* Bar container */
.site-header__inner {
  position: relative;
  height: 80px;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 64px;
  display: flex;
  align-items: center;
  box-sizing: border-box;
  width: 100%;
}

/* Logo: absolute center on desktop; left bar on mobile */
.site-header__logo {
  display: flex;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  align-items: center;
  justify-content: center;
}

.site-header__logo img {
  width: 122px;
  height: auto;
  max-width: 100%;
  object-fit: contain;
  display: block;
}

/* Desktop nav: staging flex layout — left links | logo spacer | right links */
.site-header__nav {
  flex: 1;
  order: -1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  margin: 8px 0;
  gap: clamp(24px, 3.7vw, 53px);
  min-width: 0;
}

.site-header__center {
  display: block;
  width: 122px;
  height: 1px;
  pointer-events: none;
}

/* Staging: wide gap between the two links in each pair */
.site-header__cluster {
  display: flex;
  align-items: center;
  gap: clamp(40px, 12.5vw, 180px);
  min-width: 0;
}

.site-header__cluster:first-child {
  justify-content: flex-start;
}

.site-header__cluster--end {
  justify-content: flex-end;
}

.site-header__link {
  color: #fff;
  padding: 4px 8px;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 19.6px;
  transition: color 0.2s ease, text-shadow 0.2s ease;
  white-space: nowrap;
}

.site-header__link:hover,
.site-header__link:focus-visible,
.site-header__link:active,
.site-header__link.is-active {
  color: #e0bb7f;
  font-weight: 500;
}

.site-header__link.is-active {
  font-size: 16px;
}

/* Hamburger — mobile only */
.site-header__toggle {
  display: none;
  flex-shrink: 0;
  background: none;
  border: 0;
  width: 44px;
  height: 44px;
  cursor: pointer;
  padding: 0;
  z-index: 3;
  position: relative;
  margin-left: auto;
}

.site-header__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  margin: 5px auto;
  transition: transform 0.25s var(--ease), opacity 0.2s;
  border-radius: 1px;
}

.site-header.is-open .site-header__toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.site-header.is-open .site-header__toggle span:nth-child(2) {
  opacity: 0;
}
.site-header.is-open .site-header__toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Scroll lock while mobile menu open (JS also sets position:fixed) */
html.nav-open,
body.nav-open {
  overflow: hidden;
  overscroll-behavior: none;
  touch-action: none;
  height: 100%;
}

body.nav-open {
  /* filled by JS: position fixed + top offset to freeze scroll position */
  width: 100%;
}

/* ========== Mobile / tablet ≤991px ========== */
@media screen and (max-width: 991px) {
  .site-header {
    background-color: rgba(0, 0, 0, 0.8);
    height: 80px;
  }

  .site-header.is-open {
    height: 80px;
  }

  .site-header__inner {
    height: 80px;
    padding: 0 32px;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
  }

  /* Logo left on mobile bar */
  .site-header__logo {
    position: static;
    transform: none;
    left: auto;
    top: auto;
    flex-shrink: 0;
    z-index: 3;
  }

  .site-header__logo img {
    width: 68px;
  }

  .site-header__toggle {
    display: block;
  }

  /* Full-viewport panel under the 80px bar */
  .site-header__nav {
    display: flex;
    order: 0;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: auto;
    margin: 0;
    padding: 12px 20px max(40px, env(safe-area-inset-bottom, 0px));
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    grid-template-columns: none;
    background-color: rgba(0, 0, 0, 0.8);
    border-top: 1px solid #303030;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-8px);
    transition:
      opacity 0.28s ease,
      transform 0.28s ease,
      visibility 0.28s;
  }

  .site-header.is-open .site-header__nav {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

  .site-header__center {
    display: none;
  }

  .site-header__cluster,
  .site-header__cluster--end {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    width: 100%;
    gap: 0;
  }

  .site-header__link {
    display: block;
    width: 100%;
    font-size: 20px;
    font-weight: 400;
    letter-spacing: 0.08em;
    padding: 20px 4px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    white-space: normal;
    box-sizing: border-box;
  }

  .site-header__link:hover,
  .site-header__link:focus-visible,
  .site-header__link:active,
  .site-header__link.is-active {
    color: #e0bb7f;
    font-size: 20px;
    font-weight: 500;
  }
}

@media screen and (max-width: 767px) {
  .site-header__inner {
    padding: 0 16px;
  }
}

@media screen and (max-width: 479px) {
  .site-header__nav {
    background-color: rgba(0, 0, 0, 0.8);
  }

  .site-header__link,
  .site-header__link.is-active {
    font-size: 18px;
    padding: 20px 8px;
  }

  .site-header__link:hover,
  .site-header__link:focus-visible,
  .site-header__link:active,
  .site-header__link.is-active {
    font-size: 18px;
    font-weight: 500;
  }
}