/* Sleek indexed navigation. Loaded last so these states stay authoritative. */
:root {
  --nav-height: 76px;
  --nav-float-top: 12px;
  --nav-float-inset: max(clamp(28px, 5.5vw, 88px), calc((100vw - 1520px) / 2));
  --nav-float-height: 66px;
  --nav-float-radius: 19px;
  --nav-float-ease: 560ms cubic-bezier(0.22, 1, 0.36, 1);
}

html {
  scroll-padding-top: calc(var(--nav-height) + 18px);
}

main [id] {
  scroll-margin-top: calc(var(--nav-height) + 18px);
}

.site-nav {
  isolation: isolate;
  background: rgba(255, 255, 255, 0.91);
  border: 1px solid transparent;
  border-bottom: 1px solid rgba(11, 13, 18, 0.12);
  border-radius: 0;
  -webkit-backdrop-filter: blur(24px) saturate(145%);
  backdrop-filter: blur(24px) saturate(145%);
  transition:
    top var(--nav-float-ease),
    right var(--nav-float-ease),
    left var(--nav-float-ease),
    border-color 360ms ease,
    border-radius var(--nav-float-ease),
    background-color 360ms ease,
    box-shadow 480ms ease;
}

.site-nav::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  z-index: 2;
  width: 9%;
  height: 1px;
  background: var(--amber);
  transition: opacity 180ms ease;
}

.site-nav.is-scrolled {
  top: var(--nav-float-top);
  right: var(--nav-float-inset);
  left: var(--nav-float-inset);
  background: rgba(255, 255, 255, 0.96);
  border-color: rgba(11, 13, 18, 0.1);
  border-radius: var(--nav-float-radius);
  box-shadow: 0 12px 30px rgba(11, 13, 18, 0.11);
}

.site-nav.is-scrolled::after {
  opacity: 0;
}

.nav-inner {
  width: min(100% - 40px, 1520px);
  height: var(--nav-height);
  gap: clamp(18px, 2.2vw, 34px);
  transition:
    width var(--nav-float-ease),
    max-width var(--nav-float-ease),
    height var(--nav-float-ease),
    padding var(--nav-float-ease),
    gap var(--nav-float-ease);
}

.site-nav.is-scrolled .nav-inner {
  width: 100%;
  max-width: none;
  height: var(--nav-float-height);
  padding-right: clamp(16px, 2vw, 28px);
  padding-left: clamp(16px, 2vw, 28px);
  gap: clamp(12px, 1.35vw, 21px);
}

.site-nav.is-scrolled .nav-links {
  gap: clamp(11px, 1.15vw, 19px);
}

/* The progress rail lives inside the header, so it follows the shell's curve. */
.site-nav > .scroll-meter {
  position: absolute;
  top: auto;
  right: 0;
  bottom: -1px;
  left: 0;
  transition:
    right var(--nav-float-ease),
    left var(--nav-float-ease),
    border-radius var(--nav-float-ease);
}

.site-nav > .scroll-meter.is-nav-floating {
  top: auto;
  right: calc(var(--nav-float-radius) - 2px);
  bottom: -1px;
  left: calc(var(--nav-float-radius) - 2px);
  overflow: hidden;
  border-radius: 999px;
}

.site-nav > .scroll-meter.is-nav-floating span {
  border-radius: 999px;
}

.logo-wordmark {
  width: 138px;
  height: 47px;
  flex: 0 0 138px;
  padding: 2px 0;
  transition: transform 220ms cubic-bezier(0.16, 1, 0.3, 1);
}

.logo-wordmark:hover {
  transform: translateY(-1px);
}

.nav-menu {
  min-width: 0;
  flex: 1 1 auto;
}

.nav-links {
  display: grid;
  grid-template-columns: repeat(6, max-content);
  justify-content: center;
  gap: clamp(14px, 1.65vw, 30px);
}

.nav-links a {
  position: relative;
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 7px;
  color: rgba(11, 13, 18, 0.66);
  font-family: var(--mono-font);
  font-size: clamp(0.61rem, 0.7vw, 0.69rem);
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
  white-space: nowrap;
}

.nav-links a > span {
  color: var(--amber);
  font-size: 0.58rem;
}

.nav-links a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 5px;
  left: 0;
  height: 1px;
  background: var(--amber);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 220ms cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-links a:hover,
.nav-links a:focus-visible,
.nav-links a[aria-current="location"] {
  color: var(--ink);
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after,
.nav-links a[aria-current="location"]::after {
  transform: scaleX(1);
}

.nav-menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  place-items: center;
  padding: 0;
  border: 1px solid rgba(11, 13, 18, 0.18);
  border-radius: 4px;
  background: #fff;
  cursor: pointer;
}

.nav-menu-toggle span {
  position: absolute;
  width: 17px;
  height: 1px;
  background: var(--ink);
  transition: transform 220ms ease;
}

.nav-menu-toggle span:first-child {
  transform: translateY(-4px);
}

.nav-menu-toggle span:last-child {
  transform: translateY(4px);
}

.site-nav.is-menu-open .nav-menu-toggle span:first-child {
  transform: rotate(45deg);
}

.site-nav.is-menu-open .nav-menu-toggle span:last-child {
  transform: rotate(-45deg);
}

.nav-cta {
  min-width: 132px;
  min-height: 46px;
  flex: 0 0 auto;
  justify-content: center;
  border-radius: 6px;
}

.site-nav a:focus-visible,
.nav-menu-toggle:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 3px;
}

@media (max-width: 1180px) {
  .nav-inner {
    width: min(100% - 32px, 1520px);
    gap: 12px;
  }

  .nav-menu-toggle {
    display: grid;
    margin-left: auto;
  }

  .nav-menu {
    position: absolute;
    top: calc(100% + 1px);
    right: 16px;
    left: 16px;
    visibility: hidden;
    padding: 16px;
    border: 1px solid rgba(11, 13, 18, 0.17);
    border-top: 3px solid var(--amber);
    background: rgba(255, 255, 255, 0.98);
    opacity: 0;
    transform: translateY(-8px);
    pointer-events: none;
    transition: opacity 180ms ease, transform 220ms cubic-bezier(0.16, 1, 0.3, 1), visibility 180ms ease;
  }

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

  .nav-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
  }

  .nav-links a {
    min-height: 58px;
    padding: 0 16px;
    border-right: 1px solid rgba(11, 13, 18, 0.1);
    border-bottom: 1px solid rgba(11, 13, 18, 0.1);
    font-size: 0.68rem;
  }

  .nav-links a:nth-child(3n) {
    border-right: 0;
  }

  .nav-links a:nth-last-child(-n + 3) {
    border-bottom: 0;
  }

  .nav-links a::after {
    bottom: -1px;
  }
}

@media (min-width: 1181px) {
  .site-nav.is-scrolled {
    --nav-float-inset: max(clamp(58px, 7vw, 104px), calc((100vw - 1260px) / 2));
  }

  .site-nav.is-scrolled .nav-inner {
    max-width: 1180px;
    margin-right: auto;
    margin-left: auto;
  }
}

@media (max-width: 560px) {
  :root {
    --nav-height: 70px;
    --nav-float-top: 8px;
    --nav-float-inset: 11px;
    --nav-float-height: 59px;
    --nav-float-radius: 14px;
  }

  .nav-inner {
    width: calc(100% - 24px);
    gap: 8px;
  }

  .site-nav.is-scrolled .nav-inner {
    width: 100%;
    height: var(--nav-float-height);
    padding-right: 10px;
    padding-left: 10px;
    gap: 7px;
  }

  .logo-wordmark {
    width: 112px;
    height: 40px;
    flex-basis: 112px;
  }

  .nav-menu-toggle {
    width: 42px;
    height: 42px;
    flex-basis: 42px;
  }

  .nav-cta {
    min-width: 0;
    min-height: 42px;
    padding: 0 11px;
    font-size: 0.74rem;
  }

  .nav-cta span {
    display: none;
  }

  .nav-menu {
    right: 12px;
    left: 12px;
    padding: 10px;
  }

  .nav-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .nav-links a,
  .nav-links a:nth-child(3n) {
    min-height: 54px;
    padding: 0 10px;
    border-right: 1px solid rgba(11, 13, 18, 0.1);
    border-bottom: 1px solid rgba(11, 13, 18, 0.1);
    font-size: 0.61rem;
  }

  .nav-links a:nth-child(2n) {
    border-right: 0;
  }

  .nav-links a:nth-last-child(-n + 2) {
    border-bottom: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-nav,
  .nav-inner,
  .logo-wordmark,
  .nav-links a::after,
  .nav-menu,
  .nav-menu-toggle span {
    transition: none;
  }
}