:root {
  --bg: #fafaf9;
  --text: #1c1917;
  --white: #ffffff;
  --accent: #b45309;
  --accent-dark: #7c2d12;
  --accent-soft: #fffbeb;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.08);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 90;
  transition: background-color 0.28s ease, box-shadow 0.28s ease;
  background: transparent;
}

.header-shell {
  width: min(80rem, 100% - 160px);
  margin-inline: auto;
}

.site-header.is-scrolled,
.site-header.is-menu-open {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(4px);
}

.header-row {
  min-height: 5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-header.is-scrolled .header-row {
  min-height: 4.2rem;
}

.brand {
  font-family: "Playfair Display", serif;
  font-size: 1.5rem;
  font-weight: 700;
  transition: color 0.22s ease;
}

.site-header:not(.is-scrolled):not(.is-menu-open) .brand,
.site-header:not(.is-scrolled):not(.is-menu-open) .menu-toggle {
  color: var(--white);
}

.site-header.is-scrolled .brand,
.site-header.is-menu-open .brand,
.site-header.is-scrolled .menu-toggle,
.site-header.is-menu-open .menu-toggle {
  color: #000000;
}

.site-header:not(.is-scrolled):not(.is-menu-open) .menu-toggle svg {
  stroke: var(--white);
}

.site-header.is-scrolled .menu-toggle svg,
.site-header.is-menu-open .menu-toggle svg {
  stroke: #000000;
}

.desktop-nav {
  display: none;
  align-items: center;
  gap: 2rem;
}

.main-links {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}

.main-links a {
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s ease, border-color 0.2s ease;
  border-bottom: 2px solid transparent;
  padding-bottom: 0.2rem;
}

.site-header:not(.is-scrolled):not(.is-menu-open) .main-links a {
  color: #ffffff;
}

.site-header.is-scrolled .main-links a,
.site-header.is-menu-open .main-links a {
  color: #000000;
}

.site-header:not(.is-scrolled):not(.is-menu-open) .main-links a.is-active {
  color: #ffffff;
  border-bottom-color: #ffffff;
}

.site-header.is-scrolled .main-links a.is-active,
.site-header.is-menu-open .main-links a.is-active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.main-links a:hover {
  color: var(--accent);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.btn {
  border: 0;
  cursor: pointer;
  border-radius: 999px;
  padding: 0.62rem 1.5rem;
  font-size: 0.9rem;
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
  transition: all 0.22s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--accent-dark);
}

.btn-outline {
  background: transparent;
  border: 2px solid;
}

.site-header:not(.is-scrolled):not(.is-menu-open) .btn-outline {
  border-color: var(--white);
  color: var(--white);
}

.site-header:not(.is-scrolled):not(.is-menu-open) .btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
}

.site-header.is-scrolled .btn-outline,
.site-header.is-menu-open .btn-outline {
  border-color: var(--accent);
  color: var(--accent);
}

.site-header.is-scrolled .btn-outline:hover,
.site-header.is-menu-open .btn-outline:hover {
  background: #fffbeb;
}

.menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid currentColor;
  background: transparent;
  cursor: pointer;
}

.menu-toggle svg {
  width: 1.6rem;
  height: 1.6rem;
  display: inline-block;
  stroke: currentColor;
  fill: none;
  transition: color 0.22s ease;
}

.mobile-nav {
  border-top: 1px solid #e5e7eb;
  padding: 1rem 0 1.25rem;
  background: var(--white);
}

.mobile-links {
  display: grid;
  gap: 0.25rem;
}

.mobile-links a {
  display: block;
  padding: 0.6rem 0.85rem;
  border-radius: 0.5rem;
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 500;
}

.mobile-links a.is-active {
  color: var(--accent);
  background: #fffbeb;
}

.mobile-links a:hover {
  background: #f9fafb;
}

.mobile-actions {
  display: grid;
  gap: 0.7rem;
  margin-top: 0.85rem;
}

.mobile-actions .btn {
  width: 100%;
}

.mobile-actions .btn-outline {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--white);
}

@media (min-width: 64rem) {
  .desktop-nav {
    display: flex;
  }

  .menu-toggle,
  .mobile-nav {
    display: none;
  }
}

@media (max-width: 63.9375rem) {
  .header-shell {
    width: min(80rem, 100% - 48px);
  }
}