/* ФармСпирт - Шапка */
.site-header {
  position: sticky; top: 0; z-index: var(--z-header, 100);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}
.header-top {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--sp-4); padding: var(--sp-4) 0;
}
.header-logo {
  display: flex; align-items: center; gap: var(--sp-3);
  text-decoration: none; color: var(--color-text); flex-shrink: 0;
}
.header-logo:hover { color: var(--color-text); }
.header-logo img { display: block; height: 44px; width: auto; }
.header-logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.header-logo-title {
  font-size: 22px; font-weight: 700; letter-spacing: 0.02em;
  color: var(--color-primary);
}
.header-logo-tag {
  font-size: 12px; color: var(--color-text-muted); margin-top: 2px;
  text-transform: lowercase;
}

.header-contacts {
  display: flex; align-items: center; gap: var(--sp-5); flex-shrink: 0;
}
.header-phone {
  display: flex; flex-direction: column; align-items: flex-end;
  text-decoration: none;
}
.header-phone-number {
  font-size: var(--fs-md); font-weight: 700;
  color: var(--color-text); letter-spacing: 0.01em;
}
.header-phone-hours {
  font-size: var(--fs-xs); color: var(--color-text-muted); margin-top: 2px;
}
.header-phone:hover .header-phone-number { color: var(--color-primary); }

.header-nav { border-top: 1px solid var(--color-border); }
.header-nav-list {
  display: flex; gap: var(--sp-1);
  list-style: none; padding: 0; margin: 0;
}
.header-nav-link {
  display: block; padding: var(--sp-3) var(--sp-4);
  font-size: var(--fs-base); font-weight: 500;
  color: var(--color-text); text-decoration: none;
  border-radius: var(--radius);
  transition: background var(--transition-fast), color var(--transition-fast);
}
.header-nav-link:hover {
  background: var(--color-primary-light); color: var(--color-primary-dark);
}
.header-nav-link.is-active { color: var(--color-primary); font-weight: 600; }
.header-nav-link.is-active::after {
  content: ""; display: block; height: 2px;
  background: var(--color-primary); margin-top: 6px; border-radius: 2px;
}

.header-burger {
  display: none; width: 40px; height: 40px;
  align-items: center; justify-content: center;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  cursor: pointer;
}
.header-burger:hover {
  background: var(--color-primary-light); border-color: var(--color-primary);
}
.header-burger span {
  display: block; width: 20px; height: 2px;
  background: var(--color-text); position: relative;
}
.header-burger span::before,
.header-burger span::after {
  content: ""; position: absolute; left: 0;
  width: 20px; height: 2px; background: var(--color-text);
}
.header-burger span::before { top: -6px; }
.header-burger span::after  { top: 6px; }

@media (max-width: 900px) {
  .header-phone-hours { display: none; }
  .header-nav-link { padding: var(--sp-3); font-size: var(--fs-sm); }
}
@media (max-width: 700px) {
  .header-burger { display: inline-flex; }
  .header-nav { display: none; }
  .header-logo-tag { display: none; }
  .header-logo-title { font-size: 18px; }
  .header-logo img { height: 36px; }
  .header-phone-number { font-size: var(--fs-sm); }
}