/* ==========================================================
   NAVBAR — top menu only. HTML: the NAVBAR block in index.html.
   ========================================================== */

/* --- Bar: fixed at the top of the page --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--navbar-height);
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-soft);
  z-index: 100;
}

.navbar__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* --- Name on the left --- */
.navbar__logo {
  font-weight: 800;
  letter-spacing: -0.02em;
  text-decoration: none;
  color: var(--color-ink);
}

/* --- Menu links (desktop) --- */
.navbar__menu {
  display: flex;
  gap: 36px;
}

.navbar__menu a {
  font-weight: 500;
  text-decoration: none;
  color: var(--color-muted);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}

.navbar__menu a:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* --- Hamburger button (hidden on desktop) --- */
.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
}
.navbar__toggle span {
  width: 22px;
  height: 2px;
  background-color: var(--color-ink);
}

/* --- Mobile (768px and below) --- */
@media (max-width: 768px) {
  .navbar__toggle {
    display: flex;
  }

  /* Menu becomes a dropdown under the bar; shown when js/main.js adds .is-open */
  .navbar__menu {
    position: absolute;
    top: var(--navbar-height);
    left: 0;
    width: 100%;
    flex-direction: column;
    gap: 0;
    padding: 8px 0;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-soft);
    display: none;
  }
  .navbar__menu.is-open {
    display: flex;
  }
  .navbar__menu a {
    padding: 14px 24px;
    border-bottom: none;
  }
}