/* Site shell — fixed nav + contact footer (Copilot chrome) */

.site-nav {
  --nav-scrim-rgb: 255, 255, 255;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px clamp(20px, 4vw, 56px);
  isolation: isolate;
  pointer-events: none;
}

.site-nav::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  height: calc(100% + 18px);
  background: linear-gradient(
    to bottom,
    rgba(var(--nav-scrim-rgb), .94) 0%,
    rgba(var(--nav-scrim-rgb), .8) 64%,
    rgba(var(--nav-scrim-rgb), 0) 100%
  );
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 68%, transparent 100%);
  mask-image: linear-gradient(to bottom, #000 0%, #000 68%, transparent 100%);
  opacity: 0;
  pointer-events: none;
  transition: opacity .28s ease;
}

body.has-nav-scrim .site-nav::before { opacity: 1; }
body.is-nav-on-dark .site-nav { --nav-scrim-rgb: 11, 11, 12; }

.site-nav__brand {
  pointer-events: auto;
  letter-spacing: 0.04em;
  font-family: var(--font-archivo);
  font-size: var(--text-nav);
  font-weight: 600;
}

.site-nav__brand {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
}

.site-nav__mark {
  font-family: var(--font-fraunces);
  font-size: 1.15em;
  font-weight: 600;
  letter-spacing: -0.08em;
}

.site-nav__links {
  display: flex;
  gap: clamp(16px, 2vw, 32px);
  list-style: none;
  pointer-events: auto;
  font-family: var(--font-archivo);
}

.site-nav__links a {
  font-size: var(--text-nav);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: rgba(11, 11, 12, 0.65);
  transition: color 0.2s ease;
}

.site-nav__links a:hover,
.site-nav__links a.is-active {
  color: var(--glow);
}

.site-footer {
  padding: clamp(64px, 12vh, 120px) 0 clamp(48px, 8vh, 80px);
  border-top: 1px solid var(--border);
}

.site-footer__inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 40px);
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
  flex-wrap: wrap;
}

.site-footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.site-footer__meta {
  align-self: flex-end;
}

@media (max-width: 767px) {
  .site-nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding-top: 14px;
    padding-bottom: 14px;
  }

  .site-nav__links {
    flex-wrap: wrap;
    gap: 12px 20px;
  }

  .site-nav::before { height: calc(100% + 12px); }
}

@media (prefers-reduced-motion: reduce) {
  .site-nav::before { transition: none; }
}