.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: linear-gradient(180deg, #0b1120 0%, #020617 100%);
  border-bottom: 1px solid rgba(15, 23, 42, 0.95);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
}

.header-top {
  max-width: 1320px;
  margin: 0 auto;
  padding: 12px 22px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  color: var(--text);
  text-decoration: none;
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: radial-gradient(circle at 30% 30%, #e0f2fe, #3b82f6 45%, #0f172a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 26px rgba(37, 99, 235, 0.5);
  font-weight: 700;
  font-size: 15px;
  color: #020617;
}

.logo-text-main {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo-text-main span {
  color: var(--accent);
}

.header-catalog {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border: none;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-soft));
  color: #eff6ff;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  flex-shrink: 0;
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.45);
  transition: filter 0.15s, transform 0.15s;
}

.header-catalog:hover {
  filter: brightness(1.06);
  transform: translateY(-1px);
}

.header-catalog-icon {
  display: grid;
  grid-template-columns: repeat(2, 5px);
  gap: 3px;
}

.header-catalog-icon span {
  width: 5px;
  height: 5px;
  border-radius: 1px;
  background: currentColor;
}

.header-search {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 12px;
  background: #020617;
  border: 1px solid rgba(30, 64, 175, 0.85);
  box-shadow: inset 0 1px 0 rgba(148, 163, 184, 0.06);
}

.header-search-icon {
  color: var(--muted);
  font-size: 16px;
}

.header-search-input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  color: var(--text);
  font-size: 14px;
}

.header-search-input::placeholder {
  color: var(--muted);
}

.header-currency {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 9px 12px;
  border-radius: 12px;
  border: 1px solid rgba(30, 64, 175, 0.85);
  background: #020617;
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color 0.15s, color 0.15s;
}

.header-currency:hover {
  border-color: rgba(96, 165, 250, 0.8);
  color: #eff6ff;
}

.header-icon-btn {
  position: relative;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid rgba(30, 64, 175, 0.85);
  background: #020617;
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  font-size: 18px;
  transition: border-color 0.15s, color 0.15s, transform 0.15s;
}

.header-icon-btn:hover {
  color: var(--text);
  border-color: rgba(96, 165, 250, 0.8);
  transform: translateY(-1px);
}

.header-icon-btn .badge {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 2px #020617;
}

.header-purchases {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 12px;
  border: 1px solid rgba(37, 99, 235, 0.55);
  background: rgba(37, 99, 235, 0.12);
  color: #bfdbfe;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  flex-shrink: 0;
  white-space: nowrap;
  transition: background 0.15s, border-color 0.15s;
}

.header-purchases:hover {
  background: rgba(37, 99, 235, 0.22);
  border-color: rgba(96, 165, 250, 0.75);
  color: #eff6ff;
}

.header-categories {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 22px 12px;
  display: flex;
  align-items: center;
  gap: 22px;
  overflow-x: auto;
  scrollbar-width: none;
  border-top: 1px solid rgba(15, 23, 42, 0.8);
}

.header-categories::-webkit-scrollbar {
  display: none;
}

.header-category {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 2px 4px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
  transition: color 0.15s;
  flex-shrink: 0;
}

.header-category:hover {
  color: var(--text);
}

.header-category-icon {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.header-category.highlight {
  color: #93c5fd;
  font-weight: 600;
}

.header-category.highlight:hover {
  color: #bfdbfe;
}

@media (max-width: 960px) {
  .header-top {
    flex-wrap: wrap;
  }

  .header-search {
    order: 3;
    flex-basis: 100%;
  }

  .header-purchases span:last-child {
    display: none;
  }
}

@media (max-width: 720px) {
  .header-currency,
  .header-icon-btn:not(.header-menu-btn) {
    display: none;
  }
}