.emb3r-skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  padding: .75rem 1.25rem;
  background: var(--ember, #c4501c);
  color: #fffaf3;
  text-decoration: none;
  font-family: var(--font-mono, 'IBM Plex Mono', ui-monospace, monospace);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .04em;
  border-radius: 0 0 .5rem .5rem;
  z-index: 200;
  transition: top 160ms cubic-bezier(0.16, 1, 0.3, 1);
}

.emb3r-skip-link:focus,
.emb3r-skip-link:focus-visible {
  top: 0;
  outline: none;
  box-shadow: 0 0 0 3px rgba(196, 80, 28, .6);
}

.emb3r-topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  height: 64px;
  background: color-mix(in srgb, var(--bg, #f8f5ef) 88%, transparent);
  border-bottom: 1px solid var(--border, var(--rule, #dbd0c1));
  backdrop-filter: blur(18px);
}

.emb3r-topbar-inner {
  width: min(1136px, calc(100% - 2rem));
  height: 100%;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.emb3r-logo {
  font-family: var(--font-mono, 'IBM Plex Mono', ui-monospace, monospace);
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: .22em;
  text-decoration: none;
  color: inherit;
}

.emb3r-logo span {
  color: var(--ember, #c4501c);
  font-style: italic;
  font-weight: 800;
  padding: 0 .04em;
  display: inline-block;
  text-shadow: 0 0 .35em rgba(255, 107, 53, .25);
}

.emb3r-nav {
  display: flex;
  align-items: center;
  gap: clamp(.75rem, 2vw, 1.75rem);
  font-family: var(--font-mono, 'IBM Plex Mono', ui-monospace, monospace);
  font-size: .78rem;
}

.emb3r-nav a {
  color: var(--text-soft, var(--ink-soft, #4f463e));
  text-decoration: none;
}

.emb3r-nav a:hover {
  color: var(--text, var(--ink, #17130f));
}

.emb3r-nav-cta {
  color: var(--ember-deep, var(--ember, #c4501c)) !important;
  font-weight: 700;
}

.emb3r-theme-toggle {
  position: relative;
  width: 2.25rem;
  height: 2.25rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--border, var(--rule, #dbd0c1));
  border-radius: 999px;
  background: var(--surface, #fffaf3);
  color: var(--text, var(--ink, #17130f));
  cursor: pointer;
  overflow: hidden;
  padding: 0;
}

.emb3r-theme-icon {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  transition: opacity 180ms cubic-bezier(0.16, 1, 0.3, 1), transform 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

.emb3r-theme-sun {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

.emb3r-theme-moon {
  opacity: 0;
  transform: rotate(-35deg) scale(.82);
}

:root[data-theme='dark'] .emb3r-theme-sun {
  opacity: 0;
  transform: rotate(35deg) scale(.82);
}

:root[data-theme='dark'] .emb3r-theme-moon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

@media (max-width: 640px) {
  .emb3r-topbar {
    height: 58px;
  }

  .emb3r-logo {
    font-size: 1.18rem;
  }

  .emb3r-nav {
    gap: .65rem;
  }

  .emb3r-nav-cta {
    display: none;
  }
}