/* ---------- Nav ---------- */

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  background: transparent;
  transition: background 0.4s var(--ease-out), border-color 0.4s var(--ease-out);
  border-bottom: 1px solid transparent;
}

.site-nav.is-scrolled {
  background: rgba(12, 12, 14, 0.82);
  backdrop-filter: blur(10px);
  border-bottom-color: var(--color-border);
}

.site-nav__inner {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  /* left inset is intentionally smaller than the standard --container-pad —
     matches the home hero wordmark's own left edge (see home.css) so nav
     content and the wordmark share one clean left margin */
  padding: 0 var(--container-pad) 0 var(--nav-left-inset);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-nav__left {
  display: flex;
  align-items: center;
  gap: 40px;
}

/* Homepage carries the giant hero wordmark as the brand mark, so the small
   corner logo is redundant there — the nav links then start flush at the
   left page margin instead of trailing a logo. */
body.page-home .site-nav__logo {
  display: none;
}

.site-nav__logo {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.site-nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 14px;
  font-weight: 500;
}

.site-nav__links a {
  position: relative;
  padding: 4px 0;
  color: var(--color-text-muted);
  transition: color 0.25s var(--ease-out);
}

.site-nav__links a:hover {
  color: var(--color-text);
}

.site-nav__meta {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 13px;
}

.lang-toggle {
  display: inline-flex;
  gap: 4px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
}

.lang-toggle span {
  transition: color 0.25s var(--ease-out);
}

.lang-toggle span.is-active {
  color: var(--color-text);
}

.hel-time {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
}

.hel-time__label {
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-accent-light);
}

.site-nav__burger {
  display: none;
  position: relative;
  z-index: 1;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 40px;
  height: 40px;
  padding: 9px;
  box-sizing: border-box;
  /* Solid backing circle, independent of the bars' own color — even if
     something on a given device/browser stopped the white bars from
     rendering, this navy chip is still a visible, tappable button in the
     header. Belt-and-suspenders after repeated reports the bars alone
     weren't visible on some real devices; !important because nothing else
     in the codebase targets .site-nav__burger (confirmed via grep across
     every stylesheet) — there is no real conflict to win against, this is
     purely a "nothing can quietly override this" guarantee. */
  background: var(--color-accent) !important;
  border-radius: 50%;
}

.site-nav__burger span {
  display: block;
  width: 100%;
  height: 2px;
  border-radius: 1px;
  background: #FFFFFF !important;
  transition: transform 0.3s var(--ease-out), opacity 0.3s var(--ease-out);
}

.lang-toggle--mobile {
  display: none;
}

@media (max-width: 860px) {
  .site-nav__meta {
    display: none;
  }

  .site-nav__burger {
    display: flex;
  }

  /* .site-nav__links stays nested inside .site-nav__left in the DOM (so
     desktop's logo+links grouping needs no markup split), but position:
     absolute here lets it escape that box and dock as a full-bleed panel
     under the fixed .site-nav bar instead — top:100% resolves against
     .site-nav itself (the nearest positioned ancestor), not .site-nav__left. */
  .site-nav__links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 12px var(--container-pad) 28px var(--nav-left-inset);
    background: rgba(12, 12, 14, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    /* visibility is delayed on the way out (not the way in) so the fade
       finishes before the panel leaves the accessibility tree / tab order —
       display:none would do that instantly and skip the animation. */
    visibility: hidden;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.35s var(--ease-out), opacity 0.25s var(--ease-out), visibility 0s linear 0.35s;
  }

  .site-nav__links a {
    font-size: 19px;
    padding: 8px 0;
    color: var(--color-text);
  }

  .site-nav__links a:hover,
  .site-nav__links a:focus-visible {
    color: var(--color-accent-light);
  }

  .site-nav.is-open .site-nav__links {
    visibility: visible;
    max-height: 420px;
    opacity: 1;
    transition: max-height 0.35s var(--ease-out), opacity 0.25s var(--ease-out), visibility 0s linear 0s;
  }

  .lang-toggle--mobile {
    display: inline-flex;
    margin-top: 10px;
    font-size: 15px;
    color: rgba(244, 242, 237, 0.55);
  }

  .lang-toggle--mobile span.is-active {
    color: var(--color-text);
  }

  .site-nav.is-open .site-nav__burger span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .site-nav.is-open .site-nav__burger span:nth-child(2) {
    opacity: 0;
  }

  .site-nav.is-open .site-nav__burger span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  overflow: hidden;
}

.site-footer__marquee {
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
  padding: 20px 0;
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 22s linear infinite;
}

.marquee-track span {
  font-family: var(--font-display);
  font-size: clamp(28px, 5vw, 56px);
  font-weight: 500;
  color: var(--color-text-muted);
  white-space: nowrap;
  padding-right: 40px;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.site-footer__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 64px var(--container-pad) 40px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
}

.site-footer__col {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14px;
}

.site-footer__logo {
  font-family: var(--font-display);
  font-size: 22px;
  margin-bottom: 4px;
}

.site-footer__heading {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.site-footer__col a {
  color: var(--color-text-muted);
  transition: color 0.25s var(--ease-out);
}

.site-footer__col a:hover {
  color: var(--color-text);
}

.site-footer__bottom {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 20px var(--container-pad) 32px;
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
}

@media (max-width: 700px) {
  .site-footer__inner {
    grid-template-columns: 1fr 1fr;
  }
}