/* ==================== header ==================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--spacing-xs) var(--spacing-md);
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0,0,0,0.05);
  transition: var(--transition);
}

.header.scrolled {
  padding: 0.5rem var(--spacing-md);
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
}

.logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.02em;
}

.nav {
  display: none;
}


.nav__link svg {
  width: 18px;
  height: 18px;
  vertical-align: middle;
}


.nav__link svg,
.nav__link i {
  transition: var(--transition);
  fill: currentColor;
}

.nav__link:hover svg,
.nav__link:hover i {
  color: var(--color-accent);
}

.nav__list {
  display: flex;
  gap: var(--spacing-md);
  list-style: none;
}

.nav__link {
  font-size: 0.8125rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text);
  position: relative;
  padding: 0.5rem 0;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-primary);
  transition: var(--transition);
}

.nav__link:hover::after {
  width: 100%;
}

.nav__link i {
  font-size: 1.125rem;
  vertical-align: middle;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.menu-toggle {
  display: block;
  width: 2rem;
  height: 1.25rem;
  position: relative;
  cursor: pointer;
  background: none;
  border: none;
}

.menu-toggle span {
  display: block;
  height: 2px;
  background: var(--color-text);
  position: absolute;
  left: 0;
  right: 0;
  transition: var(--transition);
}

.menu-toggle span:nth-child(1) { top: 0; }
.menu-toggle span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.menu-toggle span:nth-child(3) { bottom: 0; }

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg);
  top: 50%;
}
.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}
.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg);
  bottom: 50%;
}