/* Shared shell guardrails for nav, dropdowns, footers, and section jump rails. */
:root {
  --shell-nav-h: 4.35rem;
  --shell-link-size: 0.8rem;
  --shell-logo-size: 1.18rem;
  --shell-inline-pad: clamp(1rem, 4vw, 2.5rem);
  --shell-gold: #c9a96e;
}

body {
  min-width: 320px;
}

@media (hover: hover) and (pointer: fine) {
  html,
  body,
  a,
  button {
    cursor: crosshair !important;
  }
}

body > nav,
.site-nav {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  z-index: 200 !important;
  width: 100% !important;
  min-height: var(--shell-nav-h) !important;
  height: var(--shell-nav-h) !important;
  padding: 0 var(--shell-inline-pad) !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  background: rgba(5, 5, 5, 0.92) !important;
  border-bottom: 1px solid var(--border, #1e1e1e) !important;
  backdrop-filter: blur(18px) !important;
  -webkit-backdrop-filter: blur(18px) !important;
}

.nav-inner,
.site-nav > div {
  width: 100% !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  gap: 1rem !important;
}

.nav-logo,
.site-nav a[aria-label*="home"] {
  flex: 0 0 auto;
  font-family: var(--syne, 'Syne', sans-serif) !important;
  font-size: var(--shell-logo-size) !important;
  line-height: 1 !important;
  font-weight: 700 !important;
  letter-spacing: 0 !important;
}

.nav-logo span,
.site-nav a[aria-label*="home"] span {
  color: var(--shell-gold) !important;
}

.nav-links,
.site-nav ul {
  display: flex !important;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(0.8rem, 3vw, 2rem) !important;
  min-width: 0;
  list-style: none !important;
}

.nav-links > li > a,
.site-nav ul > li > a {
  font-family: var(--sans, 'Inter', sans-serif) !important;
  font-size: var(--shell-link-size) !important;
  line-height: 1 !important;
  color: var(--heading, #f0f0f0) !important;
  letter-spacing: 0.12em !important;
  text-transform: uppercase !important;
  text-decoration: none !important;
  font-weight: 300 !important;
  -webkit-font-smoothing: antialiased !important;
  text-rendering: geometricPrecision !important;
  transition: color 180ms ease !important;
}

.nav-links > li > a:hover,
.nav-links > li > a:focus-visible,
.nav-links > li:hover > a,
.nav-links > li:focus-within > a,
.nav-projects:hover > a,
.nav-projects:focus-within > a,
.nav-projects.is-open > a,
.nav-projects.is-open > a.nav-link,
.nav-about:hover > a,
.nav-about:focus-within > a,
.nav-about.is-open > a,
.nav-about.is-open > a.nav-link,
.site-nav ul > li > a:hover,
.site-nav ul > li > a:focus-visible,
.site-nav ul > li:hover > a,
.site-nav ul > li:focus-within > a,
.site-nav .nav-projects.is-open > a,
.site-nav .nav-about.is-open > a,
body > nav .nav-projects.is-open > a,
body > nav .nav-about.is-open > a {
  color: var(--shell-gold) !important;
  outline: none !important;
}

.nav-item {
  position: relative;
}

.project-menu {
  position: absolute !important;
  left: auto !important;
  right: 0 !important;
  top: calc(100% + 0.75rem) !important;
  transform: translateY(-6px) !important;
  transform-origin: top right !important;
  min-width: min(18rem, calc(100vw - 2rem)) !important;
  padding: 0.34rem 0 !important;
  border: 1px solid rgba(201, 169, 110, 0.22) !important;
  border-radius: 0.14rem !important;
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
  background: rgba(6, 6, 6, 0.96) !important;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.42) !important;
  backdrop-filter: blur(16px) !important;
  -webkit-backdrop-filter: blur(16px) !important;
  transition: opacity 180ms ease, visibility 180ms ease, transform 180ms ease !important;
}

.project-menu::before {
  content: '' !important;
  position: absolute !important;
  left: 0 !important;
  right: 0 !important;
  top: -0.85rem !important;
  height: 0.85rem !important;
}

.project-menu a {
  display: block !important;
  font-family: var(--sans, 'Inter', sans-serif) !important;
  font-size: var(--shell-link-size) !important;
  line-height: 1.35 !important;
  letter-spacing: 0.08em !important;
  text-transform: uppercase !important;
  text-decoration: none !important;
  font-weight: 300 !important;
  border: 0 !important;
  border-radius: 0 !important;
  padding: 0.74rem 0.9rem !important;
  color: var(--heading, #f0f0f0) !important;
  transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease !important;
}

.project-menu a + a {
  margin-top: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06) !important;
}

.project-menu a:hover,
.project-menu a:focus-visible {
  background: rgba(201, 169, 110, 0.12) !important;
  color: var(--shell-gold) !important;
  outline: none !important;
  transform: translateX(2px);
}

.nav-projects:hover .project-menu,
.nav-projects:focus-within .project-menu,
.nav-projects.is-open .project-menu {
  opacity: 1 !important;
  visibility: visible !important;
  pointer-events: auto !important;
  transform: translateY(0) !important;
}

footer,
.site-footer {
  width: 100vw !important;
  max-width: none !important;
  margin-left: calc(50% - 50vw) !important;
  margin-right: calc(50% - 50vw) !important;
  padding: 1.1rem var(--shell-inline-pad) !important;
  border-top: 1px solid rgba(201, 169, 110, 0.28) !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  flex-wrap: wrap !important;
  gap: 0.7rem 1.25rem !important;
  min-height: auto !important;
  background: rgba(5, 5, 5, 0.92) !important;
}

footer span,
footer a,
.site-footer span,
.site-footer a {
  font-family: var(--mono, 'JetBrains Mono', monospace) !important;
  font-size: var(--shell-link-size) !important;
  line-height: 1.55 !important;
}

.footer-links {
  display: flex !important;
  align-items: center !important;
  justify-content: flex-end !important;
  flex-wrap: wrap !important;
  gap: 0.65rem 1rem !important;
}

.footer-brand {
  flex-wrap: wrap;
}

.proj-stats .proj-stat + .proj-stat {
  padding-left: clamp(1.25rem, 2.2vw, 2rem) !important;
}

.about-section-nav {
  max-width: min(13rem, calc(100vw - 1rem));
}

.about-section-nav:not(:hover):not(:focus-within) a:not(.is-active) span {
  max-width: 0 !important;
  opacity: 0 !important;
}

@media (max-width: 900px) {
  .page {
    margin-left: auto !important;
    margin-right: auto !important;
  }

  body > nav {
    padding-inline: 1rem !important;
  }

  .nav-links {
    gap: 0.7rem !important;
  }

  .nav-links > li > a,
  .site-nav ul > li > a,
  .project-menu a {
    font-size: var(--shell-link-size) !important;
  }

  .project-menu {
    position: fixed !important;
    left: auto !important;
    right: 0.75rem !important;
    top: calc(var(--shell-nav-h) + 0.35rem) !important;
    transform: translateY(-6px) !important;
  }

  .nav-projects:hover .project-menu,
  .nav-projects:focus-within .project-menu,
  .nav-projects.is-open .project-menu {
    transform: translateY(0) !important;
  }
}

@media (max-width: 900px) {
  .about-section-nav {
    left: auto !important;
    right: 0.5rem !important;
    top: 50% !important;
    bottom: auto !important;
    transform: translateY(-50%) !important;
    flex-direction: column !important;
  }

  .about-section-nav a {
    grid-template-columns: 0.18rem !important;
    gap: 0 !important;
    min-width: 1.1rem !important;
    justify-items: center !important;
  }

  .about-section-nav a span {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    max-width: 0 !important;
    opacity: 0 !important;
    overflow: hidden !important;
    clip: rect(0 0 0 0) !important;
  }

  .proj-stats .proj-stat + .proj-stat {
    padding-left: 0 !important;
  }
}

@media (max-width: 420px) {
  .nav-links {
    gap: 0.5rem !important;
  }

  body > nav,
  .site-nav {
    --shell-inline-pad: 0.85rem;
  }

  .nav-links > li > a,
  .site-nav ul > li > a,
  .project-menu a {
    font-size: var(--shell-link-size) !important;
  }
}