/* Header layout */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background:
    radial-gradient(circle at top, rgba(201,164,91,0.16), transparent 60%),
    linear-gradient(to bottom, rgba(6,6,8,0.96), rgba(6,6,8,0.88));
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
  gap: var(--space-4);
}

/* Brand */
.site-header__brand {
  display: flex;
  align-items: center;
}

.site-header__logo-link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.55rem;
  color: var(--color-text);
}

.site-header__logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background:
    radial-gradient(circle at 30% 20%, #fff7da 0, #e0b96d 35%, rgba(201,164,91,0.1) 70%),
    conic-gradient(from 210deg, #3c1418, #0f3c32, #111217, #3c1418);
  box-shadow: 0 0 0 1px rgba(201,164,91,0.75), 0 10px 30px rgba(0,0,0,0.8);
}

.site-header__logo-text {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.site-header__logo-tagline {
  display: none;
  font-size: var(--font-size-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* Nav */
.site-header__nav {
  display: flex;
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.site-header__nav-link {
  position: relative;
  font-size: var(--font-size-sm);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding: 0.4rem 0;
}

.site-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, #e0b96d, rgba(201,164,91,0.2));
  transition: width var(--transition-base);
}

.site-header__nav-link:hover,
.site-header__nav-link:focus-visible {
  color: var(--color-text);
}

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

.site-header__nav-link--accent {
  padding-inline: 1rem;
  padding-block: 0.45rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(201,164,91,0.7);
  color: var(--color-primary-strong);
}

.site-header__nav-link--accent::after {
  display: none;
}

.site-header__nav-link--accent:hover,
.site-header__nav-link--accent:focus-visible {
  background: rgba(201,164,91,0.12);
  color: #fff7da;
}

/* Mobile toggle */
.site-header__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.18);
  background: radial-gradient(circle at 30% 0, rgba(201,164,91,0.28), rgba(6,6,8,0.96));
  cursor: pointer;
  color: var(--color-text);
}

.site-header__toggle-bar {
  width: 18px;
  height: 1.5px;
  border-radius: 999px;
  background-color: var(--color-text);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.site-header__toggle:focus-visible {
  outline: 2px solid var(--color-primary-strong);
  outline-offset: 3px;
}

/* Mobile menu open state */
.site-header--menu-open .site-header__toggle-bar:first-child {
  transform: translateY(3.5px) rotate(38deg);
}

.site-header--menu-open .site-header__toggle-bar:last-child {
  transform: translateY(-3.5px) rotate(-38deg);
}

/* Responsive */
@media (max-width: 900px) {
  .site-header__logo-tagline {
    display: none;
  }

  .site-header__toggle {
    display: inline-flex;
  }

  .site-header__nav {
    position: fixed;
    inset: 64px 0 auto 0;
    background: radial-gradient(circle at top, rgba(201,164,91,0.14), transparent 65%),
                linear-gradient(to bottom, rgba(6,6,8,0.98), rgba(6,6,8,0.98));
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-base), opacity var(--transition-base);
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-4) var(--container-gutter) var(--space-6);
    gap: var(--space-3);
  }

  .site-header--menu-open .site-header__nav {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .site-header__nav-link--accent {
    margin-top: var(--space-2);
  }
}

@media (min-width: 901px) {
  .site-header__logo-tagline {
    display: inline-block;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header,
  .site-header__nav {
    transition: none !important;
  }
}