/* Header styles for Terpont */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: linear-gradient(to bottom, rgba(5, 6, 8, 0.98), rgba(5, 6, 8, 0.9));
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.35);
}

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

.site-header__brand {
  display: flex;
  align-items: center;
  min-width: 0;
}

.site-header__logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-serif);
}

.site-header__monogram {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 30% 0%, #fdf5cf, #b28d47);
  color: #14130e;
  font-weight: 700;
  letter-spacing: 0.08em;
  box-shadow: var(--shadow-subtle);
  font-size: 1.1rem;
}

.site-header__text {
  display: flex;
  flex-direction: column;
}

.site-header__name {
  font-size: 1.05rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.site-header__tagline {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.site-header__nav {
  display: flex;
  align-items: center;
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-header__nav-link {
  font-size: var(--font-size-sm);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  position: relative;
  padding-block: 0.35rem;
}

.site-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(200, 169, 106, 0.15), var(--color-primary));
  transition: width var(--transition-normal);
}

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

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

.site-header__nav-item--cta .site-header__nav-link--button {
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(200, 169, 106, 0.8);
  background: radial-gradient(circle at 0% 0%, rgba(255, 255, 255, 0.18), transparent 50%), linear-gradient(135deg, #b28d47, #e5c88b);
  box-shadow: var(--shadow-subtle);
  color: #14130e;
}

.site-header__nav-item--cta .site-header__nav-link--button::after {
  display: none;
}

.site-header__nav-item--cta .site-header__nav-link--button:hover,
.site-header__nav-item--cta .site-header__nav-link--button:focus-visible {
  transform: translateY(-1px);
  box-shadow: var(--shadow-soft);
}

/* Mobile toggle */
.site-header__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 0.3rem;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  background: radial-gradient(circle at 0% 0%, rgba(255, 255, 255, 0.08), transparent 55%), rgba(5, 6, 8, 0.9);
  cursor: pointer;
}

.site-header__toggle-bar {
  width: 1.2rem;
  height: 2px;
  border-radius: 999px;
  background: rgba(245, 241, 230, 0.9);
  transition: transform var(--transition-normal), opacity var(--transition-normal), width var(--transition-normal);
  margin-inline: auto;
}

/* Toggle animation when open */
.site-header--menu-open .site-header__toggle-bar:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}

.site-header--menu-open .site-header__toggle-bar:nth-child(2) {
  transform: translateY(-4px) rotate(-45deg);
}

/* Mobile navigation behavior */
@media (max-width: 900px) {
  .site-header__toggle {
    display: inline-flex;
  }

  .site-header__nav {
    position: fixed;
    inset: 4rem 0 auto 0;
    background: radial-gradient(circle at top left, rgba(200, 169, 106, 0.1), transparent 55%), rgba(5, 6, 8, 0.98);
    border-bottom: 1px solid rgba(148, 163, 184, 0.45);
    transform-origin: top;
    transform: scaleY(0.9);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--transition-normal), transform var(--transition-normal), visibility var(--transition-normal);
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-4) var(--space-5);
  }

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

  .site-header--menu-open .site-header__nav {
    opacity: 1;
    transform: scaleY(1);
    visibility: visible;
    pointer-events: auto;
  }
}

@media (max-width: 600px) {
  .site-header__tagline {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header__nav,
  .site-header__toggle-bar {
    transition: none;
  }
}