/* Header layout */
.hf-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: rgba(245, 242, 236, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(194, 182, 165, 0.4);
}

.hf-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}

/* Branding */
.hf-header__brand {
  display: flex;
  align-items: center;
}

.hf-header__logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: var(--font-size-sm);
  color: var(--color-neutral-900);
}

.hf-header__logo-mark {
  width: 28px;
  height: 28px;
  border-radius: 40% 60% 55% 45%;
  background: radial-gradient(circle at 30% 20%, #ffffff, var(--color-primary-soft));
  box-shadow: var(--shadow-sm);
}

.hf-header__logo-text {
  white-space: nowrap;
}

/* Navigation */
.hf-header__nav {
  margin-left: auto;
}

.hf-header__nav-list {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.hf-header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: var(--font-size-sm);
  color: var(--color-neutral-800);
  text-decoration: none;
  padding: 0.15rem 0;
}

.hf-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.2rem;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-primary);
  transition: width var(--transition-normal);
}

.hf-header__nav-link:hover::after,
.hf-header__nav-link:focus-visible::after {
  width: 100%;
}

.hf-header__nav-item--accent .hf-header__nav-link--button {
  padding: 0.4rem 1rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(103, 88, 71, 0.2);
  background-color: var(--color-surface);
  box-shadow: var(--shadow-xs);
}

.hf-header__nav-link--button::after {
  display: none;
}

.hf-header__nav-link--button:hover {
  background-color: var(--color-primary-soft);
  border-color: var(--color-primary);
}

.hf-header__icon i {
  font-size: 0.9rem;
}

/* Mobile toggle */
.hf-header__toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(132, 116, 97, 0.35);
  background-color: var(--color-surface);
  cursor: pointer;
  margin-left: auto;
}

.hf-header__toggle-bar {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-neutral-800);
  transition: transform var(--transition-normal), opacity var(--transition-fast);
}

/* Default mobile-first navigation state */
.hf-header__nav {
  position: fixed;
  inset: 0 0 auto 0;
  top: 60px;
  background-color: rgba(245, 242, 236, 0.98);
  border-bottom: 1px solid rgba(194, 182, 165, 0.5);
  transform: translateY(-105%);
  opacity: 0;
  visibility: hidden;
  transition: transform var(--transition-normal), opacity var(--transition-normal), visibility var(--transition-normal);
}

.hf-header__nav-list {
  flex-direction: column;
  align-items: center;
  padding: var(--space-4) var(--space-4) var(--space-5);
  gap: 1rem;
}

body.hf-nav-open .hf-header__nav {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

body.hf-nav-open {
  overflow: hidden;
}

body.hf-nav-open .hf-header__toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

body.hf-nav-open .hf-header__toggle-bar:nth-child(2) {
  opacity: 0;
}

body.hf-nav-open .hf-header__toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Hide mobile toggle & show inline nav on wider screens */
@media (min-width: 768px) {
  .hf-header__toggle {
    display: none;
  }

  .hf-header__nav {
    position: static;
    transform: none !important;
    opacity: 1 !important;
    visibility: visible !important;
    inset: auto;
    background: transparent;
    border-bottom: none;
  }

  .hf-header__nav-list {
    flex-direction: row;
    padding: 0;
    gap: 1.75rem;
  }

  body.hf-nav-open {
    overflow: auto;
  }
}

@media (min-width: 992px) {
  .hf-header__inner {
    padding-top: var(--space-4);
    padding-bottom: var(--space-4);
  }

  .hf-header__nav-link {
    font-size: var(--font-size-md);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hf-header,
  .hf-header__nav,
  .hf-header__toggle-bar,
  .hf-header__nav-link::after {
    transition: none !important;
  }
}