/* Atlas — Site chrome styles (nav + footer) */

/* ─── Nav ──────────────────────────────────────────────────── */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-h);
  z-index: 50;
  display: flex;
  align-items: center;
  padding: 0 var(--gutter);
  gap: 24px;
  transition: background var(--t-med) var(--ease-out),
              border-color var(--t-med) var(--ease-out),
              backdrop-filter var(--t-med) var(--ease-out);
  border-bottom: 1px solid transparent;
}
.site-nav.is-scrolled {
  background: rgba(0, 0, 0, 0.72);
  border-bottom-color: var(--border);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-right: auto;
  transition: opacity var(--t-fast) var(--ease-out);
}
.nav-logo:hover { opacity: 0.92; }

.nav-logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1;
  gap: 3px;
}
.nav-logo__atlas {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 0.08em;
  color: var(--blue);
}
.nav-logo__sub {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.32em;
  color: var(--text);
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-link {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text);
  padding: 8px 2px;
  position: relative;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--t-med) var(--ease-out);
}
.nav-link.is-active { color: var(--blue); }
.nav-link.is-active::after,
.nav-link:hover::after { transform: scaleX(1); }

.nav-cta { display: inline-flex; }

.nav-burger {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: rgba(14, 21, 34, 0.6);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-burger span {
  width: 18px;
  height: 1.5px;
  background: var(--text);
  transition: transform var(--t-med) var(--ease-out),
              opacity var(--t-fast) var(--ease-out);
}
.nav-burger.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-burger.is-open span:nth-child(2) { opacity: 0; }
.nav-burger.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav-mobile {
  position: fixed;
  inset: var(--nav-h) 0 0 0;
  background: rgba(0, 0, 0, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: none;
  z-index: 49;
}
.nav-mobile.is-open { display: block; }
.nav-mobile__inner {
  padding: 32px var(--gutter);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.nav-mobile__link {
  font-family: var(--font-display);
  font-size: 36px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text);
  padding: 14px 0;
  border-bottom: 1px solid var(--border-soft);
}
.nav-mobile__link.is-active { color: var(--blue); }
.nav-mobile__cta { align-self: flex-start; margin-top: 16px; }

@media (max-width: 920px) {
  .nav-links, .nav-cta { display: none; }
  .nav-burger { display: inline-flex; }
}

/* ─── Footer ──────────────────────────────────────────────── */
.site-footer {
  position: relative;
  z-index: 2;
  background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(14,21,34,0.6) 30%, rgba(14,21,34,0.95) 100%);
  border-top: 1px solid var(--border);
  margin-top: 80px;
}
.site-footer__inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1.3fr 1fr;
  gap: 56px;
  padding-top: 80px;
  padding-bottom: 56px;
}
.site-footer__brand .nav-logo__atlas { font-size: 26px; }
.site-footer__brand .nav-logo__sub { font-size: 10px; }
.site-footer__tag {
  margin-top: 18px;
  max-width: 36ch;
  font-size: 14px;
  line-height: 1.6;
}

.site-footer__h {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 22px;
  font-weight: 500;
}
.site-footer__col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 14px;
}
.site-footer__col a { color: var(--text); }

.site-footer__social { display: flex; gap: 12px; }
.social {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  transition: all var(--t-med) var(--ease-out);
}
.social:hover {
  border-color: var(--blue);
  color: var(--blue);
  transform: translateY(-2px);
  box-shadow: 0 0 24px var(--blue-bloom-soft);
}

.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  padding-bottom: 36px;
  border-top: 1px solid var(--border-soft);
  font-size: 11px;
  letter-spacing: 0.08em;
}
.mono { font-family: var(--font-mono); }

.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #4ade80;
  margin-left: 6px;
  box-shadow: 0 0 8px rgba(74, 222, 128, 0.6);
  animation: pulse-dot 2s var(--ease-in-out) infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@media (max-width: 920px) {
  .site-footer__inner {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}
@media (max-width: 560px) {
  .site-footer__inner { grid-template-columns: 1fr; gap: 36px; }
  .site-footer__bottom { flex-direction: column; gap: 12px; align-items: flex-start; }
}

/* ─── Content sits above the canvas grid ─────────────────── */
main,
.site-nav,
.site-footer {
  position: relative;
  z-index: 2;
}