.site-header.mobile-menu-ready {
  pointer-events: none;
}

.site-header.mobile-menu-ready .brand,
.site-header.mobile-menu-ready .header-nav {
  pointer-events: auto;
}

.site-header.mobile-menu-ready .brand {
  position: relative;
  z-index: 3;
  isolation: isolate;
  box-sizing: content-box;
  padding-right: 26px;
  transform-origin: center;
  transition:
    opacity 220ms ease,
    transform 320ms cubic-bezier(0.2, 0.8, 0.2, 1),
    filter 320ms ease;
}

.site-header.mobile-menu-ready .brand::before {
  position: absolute;
  z-index: -1;
  inset: 2px -10px;
  opacity: 0;
  background: radial-gradient(
    ellipse at center,
    rgb(249 206 78 / 0.3) 0%,
    rgb(249 206 78 / 0.14) 38%,
    transparent 72%
  );
  filter: blur(10px);
  content: "";
  transform: scale(0.65);
  transition:
    opacity 300ms ease,
    transform 500ms cubic-bezier(0.16, 1, 0.3, 1);
}

.brand-chevron {
  display: none;
}

.site-header.mobile-menu-ready .brand-chevron {
  position: absolute;
  top: calc(50% - 8px);
  right: 0;
  display: block;
  width: 16px;
  height: 16px;
  fill: none;
  stroke: var(--gold, #f9ce4e);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 280ms ease;
}

.site-header.mobile-menu-ready.is-menu-open .brand-chevron {
  transform: rotate(180deg);
}

.site-header.mobile-menu-ready .brand:hover,
.site-header.mobile-menu-ready .brand:focus-visible {
  transform: scale(1.045);
}

.site-header.mobile-menu-ready .brand:focus-visible {
  outline: 1px solid rgb(249 206 78 / 0.5);
  outline-offset: 6px;
}

.site-header.mobile-menu-ready.is-menu-open .brand::before {
  opacity: 1;
  transform: scale(1.18);
}

.site-header.mobile-menu-ready.is-menu-open .brand-logo {
  filter:
    drop-shadow(0 0 5px rgb(249 206 78 / 0.5))
    drop-shadow(0 0 14px rgb(249 206 78 / 0.28));
}

.site-header.mobile-menu-ready .header-nav {
  position: relative;
  display: flex;
  align-items: center;
  gap: clamp(17px, 2.2vw, 34px);
  margin-left: clamp(20px, 3vw, 48px);
  padding-left: clamp(28px, 3.3vw, 54px);
  opacity: 0;
  visibility: hidden;
  transform: translate3d(-28px, 0, 0);
  pointer-events: none;
  transition:
    opacity 220ms ease 80ms,
    visibility 0s linear 440ms,
    transform 440ms cubic-bezier(0.16, 1, 0.3, 1);
}

.site-header.mobile-menu-ready .header-nav::before {
  position: absolute;
  top: 50%;
  left: 0;
  width: clamp(20px, 2.5vw, 40px);
  height: 1px;
  background: linear-gradient(90deg, rgb(249 206 78 / 0.1), rgb(249 206 78 / 0.72));
  box-shadow: 0 0 10px rgb(249 206 78 / 0.22);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 360ms cubic-bezier(0.16, 1, 0.3, 1);
}

.site-header.mobile-menu-ready .header-link {
  opacity: 0;
  transform: translateX(-13px);
  transition:
    color 180ms ease,
    opacity 260ms ease,
    transform 420ms cubic-bezier(0.16, 1, 0.3, 1);
}

.site-header.mobile-menu-ready.is-menu-open .header-nav {
  opacity: 1;
  visibility: visible;
  transform: none;
  pointer-events: auto;
  transition:
    opacity 220ms ease 80ms,
    visibility 0s linear,
    transform 440ms cubic-bezier(0.16, 1, 0.3, 1);
}

.site-header.mobile-menu-ready.is-menu-open .header-nav::before {
  transform: scaleX(1);
}

.site-header.mobile-menu-ready.is-menu-open .header-link {
  opacity: 1;
  transform: none;
}

.site-header.mobile-menu-ready.is-menu-open .header-link:nth-child(1) { transition-delay: 90ms; }
.site-header.mobile-menu-ready.is-menu-open .header-link:nth-child(2) { transition-delay: 140ms; }
.site-header.mobile-menu-ready.is-menu-open .header-link:nth-child(3) { transition-delay: 190ms; }
.site-header.mobile-menu-ready.is-menu-open .header-link:nth-child(4) { transition-delay: 240ms; }

.contact-focus .site-header.mobile-menu-ready .brand,
.contact-focus .to-top {
  opacity: 0;
  pointer-events: none;
}

@media (max-width: 760px) {
  .site-header.mobile-menu-ready.is-menu-open {
    mix-blend-mode: normal;
  }

  .site-header.mobile-menu-ready .brand,
  .site-header.mobile-menu-ready .header-nav {
    z-index: 2;
  }

  .site-header.mobile-menu-ready .mobile-menu-backdrop {
    position: fixed;
    z-index: 1;
    inset: 0;
    display: block;
    opacity: 0;
    visibility: hidden;
    background:
      radial-gradient(circle at 52px 52px, rgb(249 206 78 / 0.08), transparent 32%),
      rgb(3 9 11 / 0.97);
    backdrop-filter: blur(7px);
    pointer-events: none;
    transition:
      opacity 260ms ease,
      visibility 260ms ease;
  }

  .site-header.mobile-menu-ready.is-menu-open .mobile-menu-backdrop {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .site-header.mobile-menu-ready .header-nav {
    position: fixed;
    top: max(calc(110px + env(safe-area-inset-top)), calc(50svh - 156px));
    right: calc(20px + env(safe-area-inset-right));
    display: flex;
    left: calc(28px + env(safe-area-inset-left));
    width: auto;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    margin: 0;
    padding: 0;
    max-height: calc(100dvh - max(calc(110px + env(safe-area-inset-top)), calc(50svh - 156px)) - 24px - env(safe-area-inset-bottom));
    overflow: hidden auto;
    overscroll-behavior: contain;
    transform: translate3d(18px, -10px, 0);
    transform-origin: top right;
    counter-reset: mobile-navigation;
  }

  .site-header.mobile-menu-ready .header-nav::before {
    display: none;
  }

  .site-header.mobile-menu-ready .header-link {
    display: grid;
    width: 100%;
    min-width: 178px;
    min-height: 70px;
    flex-shrink: 0;
    grid-template-columns: 26px auto;
    align-items: center;
    justify-content: start;
    gap: 12px;
    color: rgb(236 248 248 / 0.78);
    font-size: clamp(1.65rem, 8.4vw, 2.5rem);
    font-weight: 500;
    letter-spacing: -0.025em;
    text-shadow: 0 2px 18px rgb(0 0 0 / 0.9);
    counter-increment: mobile-navigation;
    transform: translateY(12px);
  }

  .site-header.mobile-menu-ready .header-link::before {
    color: rgb(249 206 78 / 0.62);
    font: 600 0.58rem/1 "Roboto Condensed", sans-serif;
    letter-spacing: 0.12em;
    content: "0" counter(mobile-navigation);
  }

  .site-header.mobile-menu-ready .header-link:hover,
  .site-header.mobile-menu-ready .header-link:focus-visible {
    color: var(--gold);
  }

  .site-header.mobile-menu-ready .header-link::after {
    inset: 50% 4px auto auto;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    box-shadow: 0 0 12px rgb(249 206 78 / 0.45);
  }

  .mobile-menu-backdrop::after {
    position: absolute;
    top: 28%;
    left: 42%;
    width: 100vw;
    height: 100vw;
    border: 1px solid rgb(249 206 78 / 0.08);
    border-radius: 50%;
    content: "";
    pointer-events: none;
  }

  .mobile-menu-close:not([hidden]) {
    position: fixed;
    z-index: 3;
    top: calc(22px + env(safe-area-inset-top));
    right: calc(24px + env(safe-area-inset-right));
    display: flex;
    align-items: center;
    min-height: 44px;
    padding: 0 6px;
    border: 0;
    color: var(--gold);
    background: transparent;
    font: inherit;
    font-size: 0.8rem;
    cursor: pointer;
    pointer-events: auto;
  }

  .site-header.mobile-menu-ready.is-menu-open .brand-chevron {
    visibility: hidden;
  }
}

@media (max-width: 760px) and (max-height: 420px) {
  .site-header.mobile-menu-ready .header-nav {
    top: max(72px, env(safe-area-inset-top));
    max-height: calc(100dvh - max(72px, env(safe-area-inset-top)) - 16px - env(safe-area-inset-bottom));
  }

  .site-header.mobile-menu-ready .header-link {
    min-height: 44px;
    flex-shrink: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header.mobile-menu-ready .brand,
  .site-header.mobile-menu-ready .brand::before,
  .site-header.mobile-menu-ready .brand-chevron,
  .site-header.mobile-menu-ready .header-nav,
  .site-header.mobile-menu-ready .header-nav::before,
  .site-header.mobile-menu-ready .header-link,
  .site-header.mobile-menu-ready .mobile-menu-backdrop {
    transition-duration: 0.01ms;
    transition-delay: 0ms;
  }
}