/*! Battger phase 4: plain CSS keeps core shopping layouts independent of modern color/layer support. */
:root {
  --bt-ink:#102b45;
  --bt-blue:#196bde;
  --bt-muted:#596a78;
  --bt-line:#dce3e9;
  --bt-paper:#f4f6f8;
}
html {
  scroll-padding-top: 24px;
}
body {
  color: #26394a;
  font-family:
    Arial,
    Helvetica,
    sans-serif;
}
a,
button,
input,
summary {
  touch-action: manipulation;
}
a {
  overflow-wrap: break-word;
}
button:disabled {
  opacity: .55;
  cursor: not-allowed;
}
main {
  min-height: 45vh;
}
h1,
h2,
h3 {
  color: #102b45;
}
h1 {
  overflow-wrap: break-word;
}
img {
  vertical-align: middle;
}
.bt-wrap {
  width: 100%;
  max-width: 1280px;
  padding: 0 24px;
  margin: auto;
}
.bt-section {
  padding-top: 72px;
  padding-bottom: 72px;
}
.bt-kicker {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.8px;
  color: #196bde;
  text-transform: uppercase;
  margin: 0 0 16px;
}
.bt-lead {
  font-size: 18px;
  line-height: 1.8;
  color: #596a78;
}
.bt-hero {
  background: #eef2f5;
  border-bottom: 1px solid #dce3e9;
}
.bt-hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 64px;
  align-items: center;
  padding-top: 64px;
  padding-bottom: 64px;
}
.bt-hero h1 {
  font-size: 56px;
  line-height: 1.08;
  letter-spacing: -2px;
  font-weight: 700;
  max-width: 610px;
  margin: 0 0 24px;
}
.bt-hero .bt-lead {
  max-width: 540px;
}
.bt-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}
.bt-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  background: #196bde;
  border: 1px solid #196bde;
  color: #fff !important;
  padding: 14px 22px;
  border-radius: 6px;
  font-weight: 700;
  text-decoration: none;
  min-height: 48px;
}
.bt-button:hover {
  background: #034997;
}
.bt-button-light {
  background: #fff;
  color: #102b45 !important;
  border-color: #cad5df;
}
.bt-button-light:hover {
  background: #e6edf3;
}
.bt-hero-image {
  background: white;
  border: 1px solid #e0e6eb;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 50px #102b450d;
}
.bt-hero-image img {
  display: block;
  width: 100%;
  height: 350px;
  object-fit: contain;
  padding: 30px;
}
.bt-image-caption {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 24px;
  border-top: 1px solid #e7ecf0;
  font-size: 11px;
  letter-spacing: 1px;
  color: #596a78;
}
.bt-image-caption span:first-child {
  font-weight: bold;
  color: #102b45;
}
.bt-section h2 {
  font-size: 32px;
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -.6px;
  margin: 0 0 16px;
}
.bt-section-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  margin-bottom: 28px;
}
.bt-section-heading p {
  color: #596a78;
}
.bt-section-heading > a,
.bt-text-link {
  color: #196bde;
  font-weight: 700;
  text-decoration: none;
}
.bt-category-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.bt-category-card {
  display: flex;
  flex-direction: column;
  align-items: start;
  min-height: 190px;
  padding: 24px;
  border: 1px solid #dce3e9;
  background: #fff;
  border-radius: 8px;
  text-decoration: none;
  color: #102b45;
}
.bt-category-card:hover {
  border-color: #196bde;
  background: #f7faff;
}
.bt-category-number {
  font-size: 12px;
  color: #7b8995;
  margin-bottom: 26px;
}
.bt-category-card h3 {
  font-size: 19px;
  font-weight: bold;
  margin: 0 0 16px;
}
.bt-category-card > span:last-child {
  margin-top: auto;
  font-size: 13px;
  color: #196bde;
}
.bt-guide {
  background: #f4f6f8;
  border-top: 1px solid #e2e7eb;
  border-bottom: 1px solid #e2e7eb;
}
.bt-guide-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 48px;
  margin-top: 36px;
}
.bt-step {
  color: #196bde;
  font-size: 13px;
  font-weight: bold;
}
.bt-guide h3 {
  font-size: 19px;
  font-weight: bold;
  margin: 12px 0;
}
.bt-guide p {
  line-height: 1.8;
  color: #596a78;
}
.bt-about {
  max-width: 900px;
  text-align: center;
}
.bt-about .bt-text-link {
  display: inline-block;
  margin-top: 24px;
}
.battger-brand > span:first-child {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -1.5px;
  color: #196bde;
}
.battger-header {
  box-shadow: 0 2px 8px #102b4508;
}
.battger-main-row {
  padding-top: 22px;
  padding-bottom: 22px;
}
.battger-utility {
  background: #f4f6f8;
}
.battger-cart {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
}
.battger-cart svg {
  width: 22px;
  height: 22px;
}
.battger-mobile-menu > summary {
  min-height: 44px;
  padding: 10px;
}
.battger-footer {
  background: #102b45;
  padding: 0;
}
.battger-footer a:hover {
  text-decoration: underline;
}
.bt-footer-intro {
  padding-bottom: 32px;
  margin-bottom: 32px;
  border-bottom: 1px solid #ffffff26;
}
.bt-footer-intro h2 {
  color: #fff;
  font-size: 30px;
  font-weight: bold;
}
.bt-footer-intro p {
  color: #c5d4df;
  margin-top: 12px;
  max-width: 640px;
}
.battger-footer h3 {
  color: #fff;
}
main > section:first-child:not(.bt-hero) {
  background: #f4f6f8;
}
main > section:first-child h1 {
  font-weight: 700;
  letter-spacing: -.7px;
}
main .grid > a.rounded-xl {
  display: flex;
  align-items: center;
  min-height: 64px;
  background: #fff;
  border-color: #dce3e9;
  color: #102b45;
  word-break: normal;
  overflow-wrap: anywhere;
}
main .grid > a.rounded-xl:hover {
  border-color: #196bde;
  background: #f7faff;
}
main form input,
main form select {
  min-height: 44px;
}
main nav[aria-label=Breadcrumb] {
  line-height: 1.8;
}
.bt-product-card {
  border: 1px solid #dce3e9;
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: #fff;
}
.bt-product-card:hover {
  border-color: #a1bbd2;
  box-shadow: 0 8px 24px #102b450a;
}
.bt-card-image {
  display: block;
  background: #fff;
  border-bottom: 1px solid #edf0f3;
  padding: 20px;
}
.bt-card-image img {
  width: 100%;
  height: 210px;
  object-fit: contain;
}
.bt-card-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.bt-card-body h3 {
  font-size: 19px;
  font-weight: 700;
  margin: 8px 0 16px;
  overflow-wrap: anywhere;
}
.bt-card-body h3 a {
  color: inherit;
  text-decoration: none;
}
.bt-card-specs {
  font-size: 13px;
  color: #596a78;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.bt-card-price {
  margin-top: 22px;
  margin-bottom: 20px;
  font-size: 23px;
  font-weight: bold;
  color: #102b45;
}
.bt-card-price del {
  font-size: 13px;
  font-weight: normal;
  color: #7b8995;
}
.bt-card-body > .bt-button {
  margin-top: auto;
  background: #fff;
  color: #196bde !important;
  border-color: #c4d1dd;
}
.bt-brand-search {
  display: flex;
  align-items: end;
  gap: 12px;
  margin: 24px 0;
}
.bt-brand-search label {
  display: block;
  flex: 1;
  max-width: 500px;
  font-weight: 700;
  font-size: 14px;
}
.bt-brand-search input {
  display: block;
  width: 100%;
  padding: 12px;
  border: 1px solid #bac9d5;
  border-radius: 6px;
  margin-top: 8px;
  background: #fff;
}
.bt-brand-search > a {
  padding: 12px;
  color: #196bde;
}
.bt-alphabet {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 20px 0;
}
.bt-alphabet a {
  padding: 8px 12px;
  min-width: 36px;
  border: 1px solid #dce3e9;
  border-radius: 4px;
  color: #102b45;
  text-align: center;
  text-decoration: none;
}
.bt-alphabet a[aria-current] {
  background: #196bde;
  color: #fff;
  border-color: #196bde;
}
.bt-buy-box {
  border: 1px solid #dce3e9;
  border-radius: 10px;
  background: #f4f6f8;
  padding: 24px;
  margin-top: 24px;
}
.bt-buy-form {
  display: flex;
  gap: 12px;
  align-items: end;
  margin-top: 20px;
}
.bt-buy-form label {
  font-size: 13px;
  font-weight: bold;
}
.bt-buy-form input {
  display: block;
  width: 88px;
  background: #fff;
  border: 1px solid #bac9d5;
  padding: 12px;
  border-radius: 6px;
  margin-top: 8px;
}
.bt-buy-form button {
  flex: 1;
}
.bt-fit-note {
  font-size: 13px;
  line-height: 1.8;
  color: #596a78;
  margin-top: 16px;
}
.bt-fit-note a {
  color: #196bde;
  text-decoration: underline;
}
.bt-notice {
  padding: 16px 20px;
  margin: 16px 0;
  border: 1px solid #9abfc5;
  background: #edf8f5;
  border-radius: 6px;
}
.bt-notice-error {
  border-color: #e1b2a9;
  background: #fff3f0;
}
.bt-mobile-buybar {
  display: none;
}
.bt-gallery {
  position: sticky;
  top: 24px;
  align-self: start;
}
.bt-gallery-stage {
  background: white !important;
}
.bt-gallery img {
  mix-blend-mode: multiply;
}
#buy-box,
#compatible-models-heading {
  scroll-margin-top: 24px;
}
@media (max-width: 1023px) {
  .bt-hero-grid {
    gap: 32px;
    padding-top: 40px;
    padding-bottom: 40px;
  }
  .bt-hero h1 {
    font-size: 42px;
  }
  .bt-hero-image img {
    height: 290px;
    padding: 20px;
  }
  .bt-category-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .bt-guide-grid {
    gap: 24px;
  }
  .bt-gallery {
    position: static;
  }
  .battger-main-row {
    padding-top: 12px;
    padding-bottom: 12px;
  }
  .bt-section {
    padding-top: 48px;
    padding-bottom: 48px;
  }
}
@media (max-width: 639px) {
  .bt-wrap {
    padding-left: 20px;
    padding-right: 20px;
  }
  .bt-hero-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }
  .bt-hero h1 {
    font-size: 40px;
    letter-spacing: -1.4px;
  }
  .bt-lead {
    font-size: 16px;
  }
  .bt-actions {
    gap: 10px;
    margin-top: 24px;
  }
  .bt-actions .bt-button {
    width: 100%;
  }
  .bt-hero-image img {
    height: 220px;
  }
  .bt-image-caption {
    padding: 14px 16px;
    font-size: 10px;
  }
  .bt-section h2 {
    font-size: 27px;
  }
  .bt-section-heading {
    display: block;
  }
  .bt-section-heading > a {
    display: inline-block;
    margin-top: 16px;
  }
  .bt-category-card {
    padding: 18px;
    min-height: 175px;
  }
  .bt-category-card h3 {
    font-size: 17px;
  }
  .bt-category-card > span:last-child {
    font-size: 12px;
  }
  .bt-guide-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }
  .bt-guide-grid > div {
    border-top: 1px solid #dce3e9;
    padding-top: 20px;
  }
  .bt-brand-search {
    flex-wrap: wrap;
  }
  .bt-brand-search label {
    flex-basis: 100%;
  }
  .bt-buy-box {
    padding: 18px;
  }
  .bt-buy-form {
    gap: 10px;
  }
  .bt-buy-form input {
    width: 72px;
  }
  .bt-buy-form button {
    padding: 14px 12px;
  }
  .bt-mobile-buybar {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 40;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    background: white;
    border-top: 1px solid #dce3e9;
    padding: 12px 16px;
    padding-bottom: calc(12px + env(safe-area-inset-bottom, 0px));
    box-shadow: 0 -4px 20px #102b4508;
  }
  .bt-mobile-buybar strong {
    font-size: 18px;
    color: #102b45;
  }
  .bt-mobile-buybar .bt-button {
    font-size: 13px;
    padding: 10px 16px;
    min-height: 44px;
  }
  .has-product-buybar {
    padding-bottom: 86px;
    padding-bottom: calc(86px + env(safe-area-inset-bottom, 0px));
  }
  .bt-card-image img {
    height: 200px;
  }
  .bt-card-body {
    padding: 18px;
  }
  .battger-shell {
    padding-left: 16px;
    padding-right: 16px;
  }
  .battger-brand > span:first-child {
    font-size: 28px;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}
.bt-category-card h2 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 20px;
}
.bt-buy-price {
  padding-bottom: 16px;
  border-bottom: 1px solid #dce3e9;
}
.bt-product-card.p-6 {
  padding: 24px;
}
.bt-product-card.p-6 .bt-card-image {
  margin: -24px -24px 22px;
}
main .grid > article {
  min-width: 0;
}
.battger-footer h2 {
  color: #fff;
}
.battger-site-switcher > summary {
  list-style: none;
  position: relative;
  padding-right: 22px;
}
.battger-site-switcher > summary::-webkit-details-marker {
  display: none;
}
.battger-site-switcher > summary:after {
  content: "\2304";
  position: absolute;
  right: 4px;
  top: 12px;
  color: #596a78;
}
.bt-buy-price > span {
  display: inline-block;
  white-space: nowrap;
}
.bt-buy-price > span:first-child {
  color: #196bde;
}
.bt-buy-price > span:last-child:not(:first-child) {
  margin-left: 12px;
}
@media (max-width: 639px) {
  .bt-buy-price > span:first-child {
    font-size: 30px;
  }
  .bt-buy-price > span:last-child:not(:first-child) {
    font-size: 15px;
    margin-left: 0;
  }
  .battger-footer-columns {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
  }
  .battger-footer-columns > div:first-child {
    grid-column: 1/-1;
  }
}
@media (max-width: 359px) {
  .battger-main-row {
    gap: 8px;
  }
  .battger-brand > span:first-child {
    font-size: 26px;
  }
  .battger-tools {
    gap: 4px;
  }
  .battger-cart {
    gap: 5px;
    padding-left: 5px;
    padding-right: 5px;
  }
  .battger-cart svg {
    width: 18px;
    height: 18px;
  }
  .battger-mobile-menu > summary {
    padding-left: 6px;
    padding-right: 6px;
    font-size: 14px;
  }
}