#topbarMount {
  position: sticky;
  top: 0;
  z-index: 3000;
  transition: transform .28s ease;
  will-change: transform;
}

#topbarMount.btq-shell-hidden {
  transform: translateY(-100%);
}

.btq-announcement {
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  background: #f5f5f5;
  color: #111;
  font-size: 13px;
  border-bottom: 1px solid #e9e9e9;
  text-align: center;
}

.btq-header {
  position: relative;
  z-index: 2;
  height: 72px;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid #e9e9e9;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 28px;
}

.btq-menu-btn,
.btq-icon-btn,
.btq-bag-btn,
.btq-side-close {
  border: 0;
  background: transparent;
  color: #111;
  cursor: pointer;
  font-family: inherit;
}

.btq-menu-btn {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
}

.btq-menu-lines {
  font-size: 22px;
  line-height: 1;
}

.btq-brand {
  font-size: clamp(21px, 3vw, 34px);
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.btq-actions {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 18px;
}

.btq-icon-btn {
  font-size: 26px;
  line-height: 1;
}

.btq-bag-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btq-bag-count {
  position: absolute;
  top: -7px;
  right: -8px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 999px;
  background: #111;
  color: #fff;
  font-size: 10px;
  font-weight: 800;
  display: none;
  align-items: center;
  justify-content: center;
  line-height: 18px;
}

.btq-bag-count.is-visible {
  display: inline-flex;
}

.btq-side-backdrop {
  position: fixed;
  inset: 0;
  z-index: 4000;
  background: rgba(0,0,0,.58);
  opacity: 0;
  pointer-events: none;
  transition: .25s ease;
}

.btq-side-nav {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 4100;
  width: min(600px, 86vw);
  background: #fff;
  color: #111;
  transform: translateX(-100%);
  transition: .28s ease;
  padding: 42px 58px;
  overflow-y: auto;
  box-shadow: 30px 0 80px rgba(0,0,0,.18);
}

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

body.btq-menu-open .btq-side-backdrop {
  opacity: 1;
  pointer-events: auto;
}

body.btq-menu-open .btq-side-nav {
  transform: translateX(0);
}

.btq-side-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 50px;
  font-size: 15px;
}

.btq-side-close {
  font-size: 32px;
  line-height: 1;
}

.btq-side-links {
  display: grid;
  gap: 28px;
}

.btq-side-links a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  font-size: clamp(22px, 3vw, 28px);
  line-height: 1.2;
  letter-spacing: -.02em;
  text-decoration: none;
}

.btq-side-links a::after {
  content: "›";
  font-size: 28px;
  color: #555;
}

.btq-side-divider {
  height: 1px;
  background: #e9e9e9;
  margin: 48px 0 28px;
}

.btq-side-small {
  display: grid;
  gap: 18px;
}

.btq-side-small a {
  color: #555;
  font-size: 15px;
  text-decoration: none;
}

.btq-side-backdrop {
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

.btq-side-nav {
  top: 0;
  bottom: 0;
  left: 0;
  right: auto;
  height: 100vh;
}

@media (max-width: 760px) {
  .btq-announcement {
    height: 34px;
    font-size: 12px;
  }

  .btq-header {
    height: 62px;
    padding: 0 18px;
  }

  .btq-menu-text,
  .btq-icon-btn {
    display: none;
  }

  .btq-brand {
    font-size: 18px;
    letter-spacing: .06em;
  }

  .btq-side-nav {
    width: min(520px, 92vw);
    padding: 34px 30px;
  }

  .btq-side-head {
    margin-bottom: 42px;
  }

  .btq-side-links {
    gap: 24px;
  }

  .btq-side-links a {
    font-size: 22px;
  }
}