/* Header-specific styles building on base.css */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  padding-top: max(1.5rem, env(safe-area-inset-top, 0px));
  padding-bottom: 0.75rem;
  background: transparent;
  pointer-events: none;
}

.site-header-inner {
  pointer-events: auto;
}

.header-navbar {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-areas: "brand nav cta";
  align-items: center;
  gap: var(--space-6);
  padding: 0.7rem 1.5rem;
  margin-inline: auto;
  margin-top: 1.5rem;
  max-width: 980px;
  border-radius: var(--radius-glass);
  background: linear-gradient(120deg, rgba(229, 186, 115, 0.2), rgba(12, 12, 16, 0.9));
  backdrop-filter: blur(28px) saturate(160%);
  -webkit-backdrop-filter: blur(28px) saturate(160%);
  border: 1px solid rgba(229, 186, 115, 0.45);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.9);
}

.navbar-brand {
  grid-area: brand;
  min-width: 0;
}

.navbar-nav-wrapper {
  grid-area: nav;
}

.navbar-cta {
  grid-area: cta;
}

.nav-toggle {
  display: none;
}

.navbar-brand-link {
  display: inline-flex;
  align-items: center;
  max-width: 100%;
}

.navbar-brand-link span {
  overflow: hidden;
  text-overflow: ellipsis;
}

.navbar-brand span {
  font-family: var(--font-heading);
  font-size: var(--font-size-lg);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: linear-gradient(120deg, #ffffff, var(--color-primary-strong));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  white-space: nowrap;
}

/* Desktop nav */
.navbar-nav-wrapper {
  display: flex;
  justify-content: center;
}

.nav-list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.7rem;
}

.nav-link {
  position: relative;
  color: var(--color-text-soft);
  padding-block: 0.25rem;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.25rem;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
  transition: width var(--transition-md);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: #ffffff;
}

.nav-link:hover::after,
.nav-link:focus-visible::after,
.nav-link[aria-current="page"]::after {
  width: 100%;
}

.nav-link[aria-current="page"] {
  color: var(--color-primary-strong);
}

/* CTA button refinement */
.btn-header-cta {
  font-size: var(--font-size-xs);
  padding-inline: 1.3rem;
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  position: relative;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(229, 186, 115, 0.6);
  background: radial-gradient(circle at top left, rgba(229, 186, 115, 0.25), rgba(12, 12, 16, 0.95));
  cursor: pointer;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.nav-toggle-bar {
  position: relative;
  display: block;
  width: 1.2rem;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-text);
  transition: transform var(--transition-md), opacity var(--transition-md), top var(--transition-md), bottom var(--transition-md), background-color var(--transition-md);
}

.nav-toggle-bar + .nav-toggle-bar {
  margin-top: 0.23rem;
}

.nav-toggle:focus-visible {
  outline: var(--focus-ring-width) solid var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset);
}

/* Open state */
.nav-toggle.is-open .nav-toggle-bar:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}

.nav-toggle.is-open .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open .nav-toggle-bar:nth-child(3) {
  transform: translateY(-4px) rotate(-45deg);
}

/* Responsive layout */
@media (max-width: 800px) {
  .site-header {
    padding-top: max(0.75rem, env(safe-area-inset-top, 0px));
    padding-bottom: 0.5rem;
  }

  .header-navbar {
    grid-template-columns: 1fr auto;
    grid-template-areas: "brand toggle";
    padding: 0.65rem 1rem;
    margin-top: 0;
    gap: 0.75rem;
  }

  .navbar-cta {
    display: none;
  }

  .nav-toggle {
    grid-area: toggle;
    display: inline-flex;
    flex-shrink: 0;
  }

  .navbar-nav-wrapper {
    position: absolute;
    inset-inline: 0;
    top: calc(100% + 0.5rem);
    z-index: 50;
    padding-inline: 0;
    pointer-events: none;
  }

  .nav-list {
    display: none;
  }

  .navbar-nav-wrapper.is-open {
    pointer-events: auto;
  }

  .navbar-nav-wrapper.is-open .nav-list {
    display: flex;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
    background: radial-gradient(circle at top left, rgba(229, 186, 115, 0.12), rgba(9, 9, 10, 0.98));
    backdrop-filter: blur(24px) saturate(150%);
    -webkit-backdrop-filter: blur(24px) saturate(150%);
    border-radius: var(--radius-lg);
    border: var(--border-subtle);
    box-shadow: var(--shadow-soft);
    padding: 0.85rem 1rem;
  }

  .nav-item {
    list-style: none;
  }

  .nav-link {
    display: block;
    padding-block: 0.35rem;
  }
}

@media (max-width: 520px) {
  .header-navbar {
    padding-inline: 0.85rem;
  }

  .navbar-brand span {
    font-size: 0.78rem;
    letter-spacing: 0.12em;
  }

  .nav-toggle {
    width: 2.5rem;
    height: 2.5rem;
  }
}