/* Hamburger navigation for narrow screens. */
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--ink);
  transition: transform 0.18s ease, opacity 0.18s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.site-nav a[aria-current="page"] {
  color: var(--ink);
}

@media (max-width: 980px) {
  .site-header {
    position: relative;
  }

  .nav-toggle {
    display: flex;
  }

  .landing-home .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 20;
    flex-direction: column;
    gap: 0;
    padding: 8px 0;
    border: 1px solid var(--line);
    border-top: 0;
    border-radius: 0 0 12px 12px;
    background: #fff;
    box-shadow: 0 18px 40px rgb(20 45 64 / 0.12);
  }

  .landing-home .site-nav.is-open {
    display: flex;
  }

  .landing-home .site-nav a {
    padding: 13px 20px;
    font-size: 1rem;
  }

  .landing-home .site-nav a + a {
    border-top: 1px solid var(--line);
  }
}

@media (max-width: 480px) {
  /* The hero carries the primary call to action; keep the header to logo and menu. */
  .landing-home .header-actions .btn-primary {
    display: none;
  }

  .landing-home .header-actions {
    gap: 10px;
  }
}

/* Eight menu items: keep each on one line and tighten spacing until the hamburger takes over at 980px. */
.site-nav a,
.header-actions a {
  white-space: nowrap;
}

@media (min-width: 981px) and (max-width: 1240px) {
  .site-header { gap: 16px; }
  .site-nav { gap: 18px; }
  .header-actions { gap: 14px; }
}

@media (min-width: 981px) and (max-width: 1100px) {
  .site-header { gap: 12px; }
  .site-nav { gap: 13px; }
  .header-actions { gap: 12px; }
}