/* Header component — P2-001 (v2, revised per header-ux-guidelines.md 2026-04-25)
   BEM-lite: .site-header, .site-header__*, modifiers .site-header--* */

/* ─── Shell ──────────────────────────────────────────────────── */
.site-header {
  background: var(--color-bg-dark);
  color: var(--color-ink-light);
}

/* ─── Utility bar ────────────────────────────────────────────── */
.site-header__utility {
  height: 36px;
  border-bottom: 1px solid rgba(255,255,255,.07);
  font-size: var(--fs-xs);
}

.site-header__utility-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--sp-4);
}

/* USPs — left side */
.site-header__usp {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  color: var(--color-utility-text);
}

.site-header__usp-item {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
}

.site-header__usp-item svg {
  width: 12px;
  height: 12px;
  color: var(--color-ok);
  flex-shrink: 0;
}

/* Right-side group: lang switcher + help */
.site-header__utility-right {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
}

/* Language switcher — utility bar */
.site-header__lang {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  font-size: var(--fs-xs);
}

.site-header__lang-btn {
  color: var(--color-muted);
  font-weight: var(--fw-semibold);
  text-decoration: none;
  padding: 2px var(--sp-1);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
}

.site-header__lang-btn:hover {
  color: var(--color-utility-text);
  text-decoration: none;
}

.site-header__lang-btn.is-active {
  color: var(--color-utility-text);
  text-decoration: none;
}

.site-header__lang-sep {
  color: rgba(255, 255, 255, .18);
  user-select: none;
}

/* Help dropdown — right side */
.site-header__help {
  position: relative;
}

.site-header__help-btn {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  color: var(--color-muted);
  font-size: var(--fs-xs);
  padding: var(--sp-1) var(--sp-2);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
  cursor: pointer;
}

.site-header__help-btn:hover,
.site-header__help-btn[aria-expanded="true"] {
  color: var(--color-utility-text);
}

.site-header__help-btn svg {
  width: 10px;
  height: 10px;
  transition: transform var(--transition-fast);
}

.site-header__help-btn[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

.site-header__help-dropdown {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + var(--sp-2));
  min-width: 180px;
  background: #1a1a1a;
  border: 1px solid rgba(255,255,255,.10);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  z-index: 200;
}

.site-header__help-dropdown.is-open {
  display: block;
}

.site-header__help-dropdown a {
  display: flex;
  align-items: center;
  padding: var(--sp-3) var(--sp-4);
  color: var(--color-utility-text);
  font-size: var(--fs-sm);
  border-left: 2px solid transparent;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
  text-decoration: none;
}

.site-header__help-dropdown a:hover {
  background: rgba(232,69,69,.12);
  color: var(--color-ink-light);
  border-left-color: var(--color-brand);
  text-decoration: none;
}

/* ─── Main row (light) ───────────────────────────────────────── */
.site-header__main {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-header-main);
  height: var(--header-h);
  border-bottom: 1px solid var(--color-line);
  box-shadow: var(--shadow-sm);
}

.site-header__main-inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: var(--sp-4);
}

/* ─── Logo ───────────────────────────────────────────────────── */
.site-header__logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  text-decoration: none;
}

.site-header__logo img {
  height: 33px;
  width: auto;
  max-width: 218px;
}

.site-header__logo:hover {
  text-decoration: none;
  opacity: .85;
}

/* ─── Catalog button ─────────────────────────────────────────── */
.site-header__catalog-btn {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex-shrink: 0;
  background: var(--color-brand);
  color: var(--color-ink-light);
  font-family: var(--font-heading);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-sm);
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.site-header__catalog-btn:hover {
  background: var(--color-brand-dark);
  text-decoration: none;
  color: var(--color-ink-light);
}

.site-header__catalog-btn svg {
  width: 16px;
  height: 16px;
}

/* ─── Search ─────────────────────────────────────────────────── */
.site-header__search {
  flex: 1;
  min-width: 0;
  position: relative;
}

.site-header__search-input {
  width: 100%;
  height: 40px;
  padding: 0 var(--sp-12) 0 var(--sp-4);
  background: rgba(255,255,255,.09);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: var(--radius-sm);
  color: var(--color-ink-light);
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.site-header__search-input::placeholder {
  color: var(--color-muted);
}

.site-header__search-input:focus {
  outline: none;
  border-color: var(--color-brand);
  background: rgba(255,255,255,.13);
}

.site-header__search-btn {
  position: absolute;
  right: 0;
  top: 0;
  height: 100%;
  width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
  transition: color var(--transition-fast);
}

.site-header__search-btn:hover { color: var(--color-brand); }

.site-header__search-btn svg { width: 16px; height: 16px; }


/* ─── Main row text overrides (light bg) ────────────────────── */
.site-header__main .site-header__control-btn {
  color: var(--color-muted);
}

.site-header__main .site-header__control-btn:hover {
  color: var(--color-ink);
  background: var(--color-bg-subtle);
}

.site-header__main .site-header__search-input {
  background: var(--color-bg-subtle);
  border-color: var(--color-line);
  color: var(--color-ink);
}

.site-header__main .site-header__search-input::placeholder {
  color: var(--color-muted);
}

.site-header__main .site-header__search-input:focus {
  background: var(--color-bg);
  border-color: var(--color-brand);
}

.site-header__main .site-header__search-btn {
  color: var(--color-muted);
}

.site-header__main .site-header__burger {
  color: var(--color-ink);
}

.site-header__main .site-header__burger:hover {
  background: var(--color-bg-subtle);
}

/* ─── Phone dropdown ─────────────────────────────────────────── */
.site-header__phone-wrap {
  position: relative;
  flex-shrink: 0;
}

.site-header__phone-main {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  font-family: var(--font-heading);
  font-weight: var(--fw-bold);
  font-size: var(--fs-base);
  color: var(--color-ink);
  white-space: nowrap;
  text-decoration: none;
  cursor: default;
}

.site-header__phone-main a {
  color: inherit;
  text-decoration: none;
}

.site-header__phone-main a:hover {
  color: var(--color-brand);
  text-decoration: none;
}

.site-header__phone-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  color: var(--color-muted);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
  cursor: pointer;
}

.site-header__phone-toggle svg {
  width: 10px;
  height: 10px;
  transition: transform var(--transition-fast);
}

.site-header__phone-toggle[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

.site-header__phone-dropdown {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + var(--sp-2));
  min-width: 220px;
  background: #1a1a1a;
  border: 1px solid rgba(255,255,255,.10);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  z-index: 200;
}

.site-header__phone-dropdown.is-open { display: block; }

.site-header__phone-dropdown a {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-4);
  color: var(--color-utility-text);
  font-size: var(--fs-sm);
  border-left: 2px solid transparent;
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.site-header__phone-dropdown a:hover {
  background: rgba(232,69,69,.12);
  color: var(--color-ink-light);
  border-left-color: var(--color-brand);
  text-decoration: none;
}

.site-header__phone-dropdown a svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  color: var(--color-brand);
}

.site-header__phone-divider {
  height: 1px;
  background: rgba(255,255,255,.07);
  margin: var(--sp-1) 0;
}

/* ─── Controls (account, cart) ───────────────────────────────── */
.site-header__controls {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  flex-shrink: 0;
}

.site-header__control-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--color-muted);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
  text-decoration: none;
}

.site-header__control-btn:hover {
  color: var(--color-ink-light);
  background: rgba(255,255,255,.08);
  text-decoration: none;
}

.site-header__control-btn svg { width: 20px; height: 20px; }

.site-header__cart-count {
  position: absolute;
  top: 4px;
  right: 2px;
  min-width: 16px;
  height: 16px;
  padding: 0 3px;
  background: var(--color-brand);
  color: #fff;
  font-size: 10px;
  font-weight: var(--fw-bold);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

/* ─── Mobile burger ──────────────────────────────────────────── */
.site-header__burger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--color-ink-light);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.site-header__burger:hover { background: rgba(255,255,255,.08); }
.site-header__burger svg { width: 22px; height: 22px; }

/* ─── Mobile nav drawer ──────────────────────────────────────── */
.site-header__nav {
  display: none;
  flex-direction: column;
  background: var(--color-bg-dark);
  border-top: 1px solid rgba(255,255,255,.08);
  padding: var(--sp-3) var(--sp-4);
  gap: var(--sp-1);
}

.site-header__nav.is-open { display: flex; }

.site-header__nav a {
  display: block;
  padding: var(--sp-3) var(--sp-4);
  color: var(--color-ink-light);
  font-family: var(--font-heading);
  font-weight: var(--fw-medium);
  font-size: var(--fs-base);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast);
  text-decoration: none;
}

.site-header__nav a:hover {
  background: rgba(255,255,255,.08);
  color: var(--color-brand);
  text-decoration: none;
}

.site-header__nav-divider {
  height: 1px;
  background: rgba(255,255,255,.07);
  margin: var(--sp-2) 0;
}

/* Catalog link in drawer — primary action, visually distinct */
.site-header__nav-catalog {
  display: flex !important;
  align-items: center;
  justify-content: space-between;
  font-weight: var(--fw-bold) !important;
  font-size: var(--fs-lg) !important;
  color: var(--color-ink-light) !important;
  background: rgba(232,69,69,.12);
  border-left: 3px solid var(--color-brand);
}

.site-header__nav-catalog:hover {
  background: rgba(232,69,69,.20) !important;
  color: var(--color-brand) !important;
}

.site-header__nav-catalog svg {
  width: 14px;
  height: 14px;
  color: var(--color-brand);
  flex-shrink: 0;
}

/* Language switcher — mobile nav drawer */
.site-header__nav-lang {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4);
}

.site-header__nav-lang a {
  color: var(--color-muted);
  font-family: var(--font-heading);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-sm);
  text-decoration: none;
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.site-header__nav-lang a:hover {
  color: var(--color-ink-light);
  background: rgba(255, 255, 255, .08);
  text-decoration: none;
}

.site-header__nav-lang a.is-active {
  color: var(--color-ink-light);
}

.site-header__nav-lang span {
  color: rgba(255, 255, 255, .18);
  user-select: none;
}

/* ─── Mobile search icon button ─────────────────────────────── */
.site-header__search-icon-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--color-ink);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  transition: background var(--transition-fast);
}

.site-header__search-icon-btn:hover { background: var(--color-bg-subtle); }
.site-header__search-icon-btn svg   { width: 20px; height: 20px; }

/* ─── Mobile search overlay ──────────────────────────────────── */
.site-header__search-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(0,0,0,.5);
  align-items: flex-start;
  padding-top: var(--header-h-mob);
}

.site-header__search-overlay.is-open {
  display: flex;
}

.site-header__search-overlay-inner {
  width: 100%;
  background: var(--color-bg);
  padding: var(--sp-3) var(--sp-4);
  display: flex;
  gap: var(--sp-2);
  border-bottom: 1px solid var(--color-line);
}

.site-header__search-overlay-input {
  flex: 1;
  height: 44px;
  padding: 0 var(--sp-4);
  border: 1.5px solid var(--color-brand);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  color: var(--color-ink);
  background: var(--color-bg);
}

.site-header__search-overlay-input:focus { outline: none; }

.site-header__search-overlay-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--color-muted);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  transition: color var(--transition-fast);
}

.site-header__search-overlay-close:hover { color: var(--color-ink); }
.site-header__search-overlay-close svg   { width: 20px; height: 20px; }

/* ─── Scroll-hide transition (mobile only) ───────────────────── */
.site-header__main {
  transition: transform 220ms ease;
}

.site-header__main.is-scrolled-down {
  transform: translateY(-100%);
}

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 767px) {
  .site-header__utility  { display: none; }
  .site-header__main     { height: var(--header-h-mob); }

  /* hide desktop-only elements */
  .site-header__phone-wrap,
  .site-header__catalog-btn,
  .site-header__search { display: none; }

  /* hide profile icon — moves inside drawer */
  .site-header__control-btn[data-id="account-link"] { display: none; }

  /* show mobile-only elements */
  .site-header__burger          { display: flex; }
  .site-header__search-icon-btn { display: flex; }

  /* ── Mobile layout: [≡] [Logo centered] [🔍][🛒] ── */
  .site-header__main-inner {
    position: relative; /* anchor for absolute logo */
  }

  /* burger: leftmost */
  .site-header__burger {
    order: 1;
    margin-right: auto;
    color: var(--color-ink);
  }

  /* logo: absolutely centered, not in flex flow */
  .site-header__logo {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    order: 0;
  }

  .site-header__logo img {
    height: 24px;
    max-width: 160px;
  }

  /* search icon: second from right */
  .site-header__search-icon-btn {
    order: 2;
  }

  /* cart: rightmost */
  .site-header__controls {
    order: 3;
  }
}

@media (min-width: 768px) {
  .site-header__nav             { display: none !important; }
  .site-header__burger          { display: none !important; }
  .site-header__search-icon-btn { display: none !important; }
  .site-header__search-overlay  { display: none !important; }
  /* remove scroll-hide on desktop */
  .site-header__main.is-scrolled-down {
    transform: none;
  }
}