.header {
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
}

.navbar-primary {
  min-height: 72px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 18px;
}

.header-spacer { min-width: 1px; }

.brand-logo {
  justify-self: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  max-width: min(48vw, 360px);
}

.brand-logo img {
  display: block;
  width: clamp(220px, 30vw, 420px);
  height: auto;
  max-height: 68px;
  object-fit: contain;
}

:root[data-theme="dark"] .brand-logo img {
  filter: invert(1);
}

.header-actions {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  min-width: 0;
}

.nav-contact {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 850;
  transition: color 0.2s ease;
}

.nav-contact:hover,
.nav-contact[aria-current="page"] {
  color: var(--text);
}

.theme-toggle {
  width: 38px;
  height: 38px;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 900;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.04);
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.theme-toggle:hover {
  border-color: var(--text);
  transform: translateY(-1px);
}

.category-nav {
  border-top: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 82%, var(--surface));
}

.category-nav-shell {
  min-height: 44px;
  position: relative;
}

.category-nav-toggle {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  opacity: 0;
  pointer-events: none;
}

.category-nav-button {
  display: none;
}

.category-nav-inner {
  min-height: 44px;
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: 8px;
  padding-top: 6px;
  padding-bottom: 6px;
}

.category-nav a {
  flex: 1 1 0;
  min-width: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 8px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1;
  white-space: nowrap;
  transition: color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.category-nav a:hover,
.category-nav a[aria-current="page"],
.category-nav a.is-active {
  color: var(--category-color, var(--text));
  background: color-mix(in srgb, var(--category-color, var(--text)) 10%, transparent);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--category-color, var(--text)) 28%, var(--border));
}

@media (max-width: 900px) {
  .navbar-primary {
    min-height: 64px;
    grid-template-columns: 1fr auto 1fr;
  }

  .brand-logo img {
    width: clamp(150px, 34vw, 220px);
    max-height: 46px;
  }
}

@media (max-width: 760px) {
  .category-nav-shell {
    min-height: auto;
    padding-top: 8px;
    padding-bottom: 8px;
  }

  .category-nav-button {
    width: 100%;
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--surface);
    color: var(--text);
    font-size: 0.86rem;
    font-weight: 900;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.035);
  }

  .category-nav-caret {
    transition: transform 0.2s ease;
  }

  .category-nav-toggle:checked + .category-nav-button .category-nav-caret {
    transform: rotate(180deg);
  }

  .category-nav-inner {
    display: none;
    min-height: 0;
    margin-top: 8px;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 22px;
    background: var(--surface);
    box-shadow: var(--shadow);
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .category-nav-toggle:checked ~ .category-nav-inner {
    display: grid;
  }

  .category-nav a {
    flex: none;
    min-width: 0;
    width: 100%;
    justify-content: center;
    padding: 11px 10px;
    border-radius: 16px;
    background: color-mix(in srgb, var(--surface-2) 70%, transparent);
  }
}

@media (max-width: 640px) {
  .navbar-primary {
    min-height: 60px;
    gap: 10px;
  }

  .brand-logo img {
    width: clamp(136px, 42vw, 180px);
    max-height: 40px;
  }

  .nav-contact { display: none; }

  .theme-toggle {
    width: 36px;
    height: 36px;
  }
}

@media (max-width: 420px) {
  .category-nav-inner {
    grid-template-columns: 1fr;
  }
}

/* Cores do segundo header alinhadas às categorias */
.category-nav a[data-nav="Carreira"] { --category-color: var(--cat-carreira); }
.category-nav a[data-nav="Educação"] { --category-color: var(--cat-educacao); }
.category-nav a[data-nav="Consumo"] { --category-color: var(--cat-consumo); }
.category-nav a[data-nav="Saúde"] { --category-color: var(--cat-saude); }
.category-nav a[data-nav="Beleza"] { --category-color: var(--cat-beleza); }
.category-nav a[data-nav="Cultura"] { --category-color: var(--cat-cultura); }
.category-nav a[data-nav="Viagens"] { --category-color: var(--cat-viagens); }
.category-nav a[data-nav="Tecnologia"] { --category-color: var(--cat-tecnologia); }
.category-nav a[data-nav="Cidadania"] { --category-color: var(--cat-cidadania); }