/* ============================================
   KitInstrumenti — shared site header + navbar
   Sticky shop chrome on every page
   ============================================ */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-gray-200);
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  min-height: 80px;
  padding: 10px 0;
}

.header__logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.header__logo-img {
  height: 60px;
  width: auto;
  display: block;
}

/* Search — soft field, Kit blue submit */
.header__search-lg {
  flex: 1;
  max-width: 540px;
  min-width: 0;
}

.header__search-form-lg {
  display: flex;
  align-items: center;
  background: var(--color-input-bg);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
}

.header__search-form-lg:focus-within {
  background: var(--color-input-bg-focus);
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px rgba(1, 50, 142, 0.12);
}

.header__search-form-lg svg {
  margin-left: 14px;
  color: var(--color-gray-500);
  flex-shrink: 0;
}

.header__search-form-lg input {
  flex: 1;
  min-width: 0;
  border: none;
  background: none;
  padding: 11px 12px;
  font-size: 14px;
  outline: none;
  color: var(--color-black);
}

.header__search-form-lg input::placeholder {
  color: var(--color-gray-400);
}

.header__search-form-lg .btn {
  padding: 11px 20px;
  border-radius: 0;
  font-size: 14px;
  flex-shrink: 0;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-left: auto;
  flex-shrink: 0;
}

.header__contacts {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  line-height: 1.25;
}

.header__email {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-gray-600);
  white-space: nowrap;
  transition: color var(--transition-fast);
}

.header__email:hover {
  color: var(--color-blue);
}

.header__phone {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  font-size: 15px;
  color: var(--color-black);
  white-space: nowrap;
  transition: color var(--transition-fast);
}

.header__phone svg {
  color: var(--color-blue);
  flex-shrink: 0;
}

.header__phone:hover {
  color: var(--color-blue);
}

.header__cart-btn {
  position: relative;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-gray-700);
  border: 1px solid var(--color-gray-200);
  background: var(--color-white);
  transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

.header__cart-btn:hover,
.header__cart-btn[aria-current="page"] {
  background: var(--color-blue-ghost);
  border-color: var(--color-blue-lighter);
  color: var(--color-blue);
}

.header__cart-count {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  background: var(--color-blue);
  color: white;
  font-size: 11px;
  font-weight: 700;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

.header__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
  background: none;
  border: none;
  cursor: pointer;
}

.header__burger span {
  display: block;
  height: 2px;
  background: var(--color-black);
  border-radius: 2px;
}

.header__overlay {
  display: none;
}

.header__search-mobile {
  display: none;
}

/* ---------- NAVBAR (Kit blue brand bar) ---------- */
.navbar {
  background: var(--color-blue);
  position: sticky;
  top: 80px;
  z-index: 99;
  box-shadow: var(--shadow-md);
}

.navbar__inner {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.navbar__list {
  display: flex;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
  min-width: 0;
}

.navbar__item--catalog {
  position: relative;
  margin-right: 4px;
}

.navbar__item--catalog::after {
  content: "";
  position: absolute;
  top: 20%;
  right: 0;
  bottom: 20%;
  width: 1px;
  background: rgba(255, 255, 255, 0.28);
}

.navbar__item--catalog .navbar__link {
  padding-right: 22px;
  background: rgba(0, 0, 0, 0.12);
}

.navbar__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 13px 20px;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
  border-bottom: 3px solid transparent;
}

.navbar__link:hover,
.navbar__link.is-active {
  color: white;
  background: rgba(255, 255, 255, 0.08);
  border-bottom-color: white;
}

.navbar__price-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  flex-shrink: 0;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  background: #fff;
  color: var(--color-blue);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
  transition: background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.12);
}

.navbar__price-btn:hover {
  background: var(--color-blue-ghost);
  color: var(--color-blue-dark);
}

.navbar__price-btn svg {
  flex-shrink: 0;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1100px) {
  .header__email {
    display: none;
  }

  .header__contacts {
    align-items: center;
  }
}

@media (max-width: 900px) {
  .header__search-lg {
    max-width: 360px;
  }

  .header__actions .btn {
    display: none;
  }
}

@media (max-width: 768px) {
  .header__inner {
    min-height: 60px;
    padding: 8px 0;
  }

  .header__logo-img {
    height: 48px;
  }

  .header__search-lg {
    display: none;
  }

  .header__search-mobile {
    display: block;
    padding: 0 var(--space-md) var(--space-sm);
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
  }

  .header__search-form-mobile {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
  }

  .header__search-form-mobile input {
    flex: 1;
    border: 1px solid var(--color-gray-300);
    border-radius: 8px;
    padding: 10px 12px;
    font-size: 14px;
    background: var(--color-input-bg);
  }

  .header__search-form-mobile input:focus {
    background: var(--color-input-bg-focus);
    outline: none;
    border-color: var(--color-blue);
  }

  .header__contacts {
    display: none;
  }

  .header__burger {
    display: flex;
  }

  .navbar {
    position: fixed;
    /* top/padding-top set in main.js from measured .header height */
    top: 0;
    left: 0;
    bottom: 0;
    width: 280px;
    transform: translateX(-100%);
    transition: transform var(--transition-base);
    z-index: 110;
    padding-top: 12px;
    overflow-y: auto;
    box-shadow: none;
  }

  .navbar.is-open {
    transform: translateX(0);
  }

  .navbar__inner {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding-bottom: 16px;
  }

  .navbar__list {
    flex-direction: column;
    align-items: stretch;
  }

  .navbar__item--catalog {
    margin-right: 0;
  }

  .navbar__item--catalog::after {
    display: none;
  }

  .navbar__item--catalog .navbar__link {
    padding-right: 24px;
    background: transparent;
  }

  .navbar__link {
    border-bottom: none;
    padding: 16px 24px;
  }

  .navbar__price-btn {
    margin: 8px 24px 0;
    justify-content: center;
    padding: 12px 16px;
  }

  .header__overlay.is-visible {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 105;
  }

  body.menu-open {
    overflow: hidden;
  }
}