/* Wordmark, mark, announcement, fullscreen nav */

.announce {
  background: var(--brand-secondary);
  color: var(--text-secondary);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-align: left;
  padding: 0.55rem var(--gutter);
  border-bottom: 1px solid var(--border-subtle);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: 0.85rem var(--gutter);
  background: rgba(18, 26, 36, 0.92);
  border-bottom: 1px solid var(--border-subtle);
  backdrop-filter: blur(8px);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--text-primary);
  text-decoration: none;
  animation: mark-wipe 0.8s var(--ease-out) both;
}

.wordmark:hover { color: var(--brand-accent); }

.wordmark__mark {
  width: 1.7rem;
  height: 1.7rem;
  flex: none;
}

.wordmark__bar { fill: var(--brand-accent); }

.wordmark__name {
  font-size: 1.35rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  line-height: 1;
}

.wordmark--giant .wordmark__name {
  font-size: clamp(4.5rem, 16vw, 11rem);
  letter-spacing: -0.045em;
  text-transform: none;
}

.wordmark--giant .wordmark__mark {
  width: clamp(3rem, 8vw, 6rem);
  height: clamp(3rem, 8vw, 6rem);
}

.menu-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 44px;
  min-width: 44px;
  padding: 0.4rem 0.2rem 0.4rem 0.7rem;
  border: 0;
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: var(--text-xs);
}

.menu-btn__lines {
  position: relative;
  width: 28px;
  height: 2px;
  background: currentColor;
  transform: skewX(-24deg);
  transition: background var(--transition-fast);
}

.menu-btn__lines::before,
.menu-btn__lines::after {
  content: "";
  position: absolute;
  left: 0;
  height: 2px;
  background: currentColor;
  transition: transform var(--transition-base), top var(--transition-base), width var(--transition-base);
}

.menu-btn__lines::before { top: -8px; width: 28px; }
.menu-btn__lines::after { top: 8px; width: 16px; }

body.nav-open .menu-btn__lines { background: transparent; }
body.nav-open .menu-btn__lines::before { top: 0; width: 28px; transform: rotate(40deg); }
body.nav-open .menu-btn__lines::after { top: 0; width: 28px; transform: rotate(-40deg); }

.overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  display: none;
  flex-direction: column;
  justify-content: flex-end;
  padding: calc(5rem + var(--gutter)) var(--gutter) var(--space-7);
  background-color: var(--surface-deep);
  background-image:
    radial-gradient(800px 400px at 90% 0%, rgba(21, 112, 194, 0.45), transparent 60%),
    repeating-linear-gradient(-45deg, transparent 0 18px, rgba(94, 182, 255, 0.09) 18px 20px);
}

.overlay.is-open { display: flex; }

body.nav-open .topbar {
  z-index: 60;
  background: transparent;
  border-bottom-color: transparent;
}

.overlay__links {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  margin-top: auto;
}

.overlay__links a {
  color: var(--text-primary);
  text-decoration: none;
  font-size: clamp(2.6rem, 8vw, 6.4rem);
  width: fit-content;
  max-width: 100%;
}

.overlay__links a:hover { color: var(--brand-accent); }

.overlay__legal {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.25rem;
  margin-top: var(--space-7);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-subtle);
  max-width: 46rem;
}

.overlay__legal a {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  text-decoration: none;
}

.overlay__legal a:hover { color: var(--text-primary); }

@keyframes mark-wipe {
  from { clip-path: inset(0 100% 0 0); }
  to { clip-path: inset(0 0 0 0); }
}