.main-menu-button {
  display: none;
  align-items: center;
  gap: .5rem;
  border: 1px solid var(--ink);
  background: transparent;
  padding: .55rem .75rem;
  color: var(--ink);
  font: 700 .82rem "DM Sans", sans-serif;
  cursor: pointer;
}

.app-header nav a {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  white-space: nowrap;
}

.app-header nav a i {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  border-radius: 8px;
  background: rgba(27, 94, 63, .1);
  color: var(--green);
  font-size: 1.15rem;
  transition: background .18s ease, color .18s ease, transform .18s ease;
}

.app-header nav a:hover i {
  background: var(--green);
  color: var(--white);
  transform: translateY(-1px);
}

@media (max-width: 1180px) {
  .main-menu-button { display: inline-flex; }

  .app-header nav {
    display: none;
    position: absolute;
    top: 75px;
    left: 0;
    right: 0;
    padding: .75rem clamp(1rem, 4vw, 4rem) 1.25rem;
    background: var(--cream);
    border-bottom: 1px solid var(--line);
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: .5rem;
    box-shadow: 0 12px 28px rgba(17, 23, 19, .12);
  }

  .app-header nav.open { display: grid; }

  .app-header nav a {
    display: flex !important;
    min-height: 48px;
    padding: .7rem;
    background: var(--white);
    border: 1px solid var(--line);
  }
}

@media (max-width: 620px) {
  .app-header nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
.app-header {
  height: 76px;
  padding: 0 clamp(1rem, 4vw, 4rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  background: var(--cream);
  position: sticky;
  top: 0;
  z-index: 50;
}

.app-header nav {
  gap: 24px;
  font: 16px/1.55 "DM Sans", sans-serif;
}

.app-header nav a {
  padding: 0 0 5px;
  border-bottom: 3px solid transparent;
  color: var(--ink);
  font: 700 13.44px/1.55 "DM Sans", sans-serif;
  text-decoration: none;
}

.app-header nav a:hover { text-decoration: none; }

.app-header nav a[aria-current="page"] {
  border-bottom-color: var(--green);
}

@media (max-width: 1180px) {
  .app-header nav {
    align-items: stretch;
    gap: .5rem;
  }

  .app-header nav a,
  .app-header nav a[aria-current="page"] {
    min-height: 48px;
    padding: .7rem;
    border: 1px solid var(--line);
    background: var(--white);
  }

  .app-header nav a[aria-current="page"] {
    box-shadow: inset 0 -3px var(--green);
  }
}