/* Brand/navigation treatment for Heavy momentum. Geometry and routes stay intact. */
:root {
  --header-surface: #101211;
  --header-text: #e9e9df;
  --header-muted: #a9b5ac;
  --header-copper: #efb58d;
  --header-border: #d7b16d33;
}

.site-header {
  background: var(--header-surface);
  color: var(--header-text);
  border-bottom-color: var(--header-border);
}

.brand,
.footer-logo {
  display: block;
  position: relative;
}

/* Readable monochrome fallback; the original transparent image is not edited. */
.brand img,
.footer-logo img {
  filter: brightness(0) invert(93%);
}

@supports (mask-image: url('/assets/logo.png')) or (-webkit-mask-image: url('/assets/logo.png')) {
  .brand::before,
  .footer-logo::before {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(110deg, #f6c594 3%, #dc936c 25%, #f2f1e9 38%);
    -webkit-mask: url('/assets/logo.png') center / contain no-repeat;
    mask: url('/assets/logo.png') center / contain no-repeat;
    mask-mode: alpha;
  }

  .brand img,
  .footer-logo img {
    opacity: 0;
  }
}

.site-header nav {
  color: var(--header-text);
}

.site-header nav a:not(.nav-cta) {
  position: relative;
  padding-block: 12px;
  transition: color var(--fast);
}

.site-header nav a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--mint);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--fast) var(--ease);
}

.site-header nav a:not(.nav-cta):hover,
.site-header nav a:not(.nav-cta):focus-visible {
  color: var(--mint);
}

.site-header nav a:not(.nav-cta):hover::after,
.site-header nav a:not(.nav-cta):focus-visible::after {
  transform: scaleX(1);
}

.nav-count {
  color: var(--header-copper);
}

.site-header .nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 48px;
  padding: 10px 14px 10px 18px;
  border-color: #ae80644d;
  border-radius: 5px;
  background: linear-gradient(110deg, #34271f, #1e1d19);
  color: #f8d7ba;
  transition: background var(--fast), border-color var(--fast), color var(--fast);
}

.site-header .nav-cta span {
  display: grid;
  place-items: center;
  width: 27px;
  height: 27px;
  margin-left: 0;
  border-radius: 50%;
  background: #efb58d1a;
  color: var(--header-copper);
}

.site-header .nav-cta:hover,
.site-header .nav-cta:focus-visible {
  background: #433025;
  border-color: var(--header-copper);
  color: #fff2e4;
}

.site-header :is(a, button):focus-visible {
  outline-color: var(--mint);
}

@media (max-width: 800px) {
  .menu-toggle {
    color: var(--header-text);
    gap: 12px;
    padding: 8px 0 8px 12px;
  }

  .menu-toggle span {
    display: grid;
    place-items: center;
    width: 30px;
    height: 30px;
    border: 1px solid var(--header-border);
    border-radius: 50%;
    color: var(--header-copper);
    transition: transform var(--fast), color var(--fast);
  }

  .menu-toggle[aria-expanded="true"] span {
    transform: rotate(45deg);
    color: var(--mint);
  }

  .site-header nav {
    background: var(--header-surface);
    color: var(--header-text);
    border-bottom: 1px solid var(--header-border);
    box-shadow: 0 22px 40px #0006;
  }

  .site-header nav a:not(.nav-cta) {
    padding-block: 17px;
    border-bottom: 1px solid #bcebd314;
    font-size: 16px;
  }

  .site-header nav a:not(.nav-cta)::after {
    bottom: -1px;
  }

  .site-header nav .nav-cta {
    margin-top: 20px;
    padding: 12px 14px 12px 18px;
  }
}

@media (max-width: 370px) {
  .site-header { gap: 18px; }
}

@media (forced-colors: active) {
  .brand::before,
  .footer-logo::before { display: none; }
  .brand img,
  .footer-logo img { opacity: 1; }
}