:root {
  --bt57-paper: #eeeae0;
  --bt57-paper-warm: #e4dccd;
  --bt57-ink: #090b0b;
  --bt57-charcoal: #111414;
  --bt57-red: #d43024;
  --bt57-line-dark: rgba(9, 11, 11, 0.2);
}

html {
  scroll-behavior: smooth;
}

body.bt-v57 {
  background: var(--bt57-ink);
}

body.bt-v57 .site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(7, 9, 9, 0.94) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

/* Keep technical labels legible at modern desktop resolutions throughout the site. */
body.bt-v57 .eyebrow,
body.bt-v57 .section-kicker,
body.bt-v57 .card-tag,
body.bt-v57 .page-kicker,
body.bt-v57 .product-kicker,
body.bt-v57 .card-kicker,
body.bt-v57 .bt-v57-label {
  font-size: clamp(14px, 0.95vw, 17px) !important;
  line-height: 1.35 !important;
  letter-spacing: 0.12em !important;
}

body.bt-v57 .bt-header-bike-finder {
  z-index: 70;
}

body.bt-v57-home .cinematic-hero {
  min-height: min(900px, calc(100svh - 90px));
}

body.bt-v57-home .hero-media {
  filter: saturate(0.82) contrast(1.06);
}

body.bt-v57-home .hero-headline h1 {
  max-width: 8.2ch;
  letter-spacing: -0.075em !important;
}

/* Give the two supporting partnership statements enough presence to balance
   the central lockup, without competing with the three brand names. */
body.bt-v57-home .partner-band > p {
  width: fit-content;
  padding: 10px 14px;
  color: #fff !important;
  background: var(--bt57-red);
  font-size: clamp(11px, 0.85vw, 14px) !important;
  line-height: 1.4;
  letter-spacing: 0.12em;
  box-shadow: 0 10px 26px rgba(112, 24, 18, 0.14);
}

body.bt-v57-home .partner-band > p:last-child {
  justify-self: end;
}

.bt-v57-intro,
.bt-v57-scene,
.bt-v57-road-notes {
  position: relative;
  isolation: isolate;
}

.bt-v57-intro {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(320px, 1.12fr);
  gap: clamp(44px, 8vw, 140px);
  align-items: end;
  padding: clamp(76px, 7vw, 104px) clamp(24px, 6vw, 104px) clamp(56px, 5vw, 78px);
  color: var(--bt57-ink);
  background: var(--bt57-paper);
}

.bt-v57-intro::before {
  content: "";
  position: absolute;
  inset: 32px clamp(24px, 6vw, 104px) auto;
  border-top: 1px solid var(--bt57-line-dark);
}

.bt-v57-label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 22px;
  font-family: var(--font-geist-mono), ui-monospace, monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1.2;
  text-transform: uppercase;
}

.bt-v57-label::before {
  width: 28px;
  height: 2px;
  content: "";
  background: var(--bt57-red);
}

.bt-v57-label--light {
  color: rgba(255, 255, 255, 0.86);
}

.bt-v57-label--light::before {
  background: #fff;
}

.bt-v57-intro h2,
.bt-v57-scene h2,
.bt-v57-road-notes h2 {
  margin: 0;
  font-family: var(--font-geist-sans), Arial, sans-serif;
  font-weight: 860;
  letter-spacing: -0.018em;
  line-height: 0.83;
  text-transform: uppercase;
}

.bt-v57-intro h2 > span,
.bt-v57-scene h2 > span,
.bt-v57-road-notes h2 > span,
.bt-v57-note h3 > span {
  display: block;
}

.bt-v57-outline {
  color: transparent;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-weight: 700;
  font-synthesis: none;
  font-stretch: normal;
  letter-spacing: -0.055em;
  word-spacing: normal;
  -webkit-text-stroke: 1px currentColor;
}

/* One outline type system across the homepage, matching the main hero treatment. */
body.bt-v57-home .hero-headline h1 > span,
body.bt-v57-home .bt-outline,
body.bt-v57-home .bt-v57-outline {
  font-family: "Helvetica Neue", Arial, sans-serif !important;
  font-weight: 700 !important;
  font-synthesis: none !important;
  font-stretch: normal !important;
  letter-spacing: -0.055em !important;
  word-spacing: normal !important;
  -webkit-text-stroke-width: 1px !important;
}

.bt-v57-intro .bt-v57-outline,
.bt-v57-road-notes .bt-v57-outline,
.bt-v57-note .bt-v57-outline {
  -webkit-text-stroke-color: var(--bt57-ink);
}

.bt-v57-scene .bt-v57-outline {
  -webkit-text-stroke-color: #fff;
}

.bt-v57-intro h2 {
  max-width: 8ch;
  font-size: clamp(64px, 10vw, 158px);
}

.bt-v57-intro-copy {
  max-width: 690px;
  padding-bottom: clamp(2px, 1vw, 18px);
}

.bt-v57-intro-copy > p:first-child {
  margin: 0 0 26px;
  font-size: clamp(24px, 2.4vw, 42px);
  font-weight: 620;
  letter-spacing: -0.035em;
  line-height: 1.08;
}

.bt-v57-intro-copy > p:last-child {
  max-width: 56ch;
  margin: 0;
  color: #3f4140;
  font-size: clamp(16px, 1.25vw, 20px);
  line-height: 1.7;
}

.bt-v57-scene {
  min-height: clamp(660px, 88svh, 980px);
  overflow: hidden;
  color: #fff;
  background: #151817;
}

.bt-v57-scene-media,
.bt-v57-scene-shade {
  position: absolute;
  inset: 0;
}

.bt-v57-scene-media {
  overflow: hidden;
}

.bt-v57-scene-media img {
  width: 100%;
  height: 112%;
  object-fit: cover;
  object-position: center;
  transform: translate3d(0, var(--bt-v57-shift, -3%), 0) scale(1.025);
  will-change: transform;
}

.bt-v57-scene--gs .bt-v57-scene-media img {
  object-position: center;
}

.bt-v57-scene--xr .bt-v57-scene-media img {
  object-position: center center;
}

.bt-v57-scene--workshop .bt-v57-scene-media img {
  object-position: center;
}

.bt-v57-scene-shade {
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(3, 5, 5, 0.88) 0%, rgba(3, 5, 5, 0.58) 34%, transparent 67%),
    linear-gradient(0deg, rgba(3, 5, 5, 0.62) 0%, transparent 45%);
}

.bt-v57-scene--xr .bt-v57-scene-shade {
  background:
    linear-gradient(270deg, rgba(3, 5, 5, 0.9) 0%, rgba(3, 5, 5, 0.55) 34%, transparent 68%),
    linear-gradient(0deg, rgba(3, 5, 5, 0.52) 0%, transparent 48%);
}

.bt-v57-scene-copy {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  width: min(100%, 760px);
  min-height: inherit;
  padding: clamp(70px, 9vw, 136px) clamp(24px, 6vw, 104px);
}

.bt-v57-scene--xr .bt-v57-scene-copy {
  align-items: flex-start;
  margin-left: auto;
  padding-left: 30px;
}

.bt-v57-scene h2 {
  max-width: 7ch;
  font-size: clamp(72px, 10vw, 168px);
  text-wrap: balance;
}

.bt-v57-scene p:not(.bt-v57-label) {
  max-width: 48ch;
  margin: 30px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(16px, 1.3vw, 20px);
  line-height: 1.65;
}

.bt-v57-link {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  width: fit-content;
  margin-top: 34px;
  padding-bottom: 9px;
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.64);
  font-family: var(--font-geist-mono), ui-monospace, monospace;
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.13em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color 180ms ease, border-color 180ms ease, gap 180ms ease;
}

.bt-v57-link:hover,
.bt-v57-link:focus-visible {
  gap: 20px;
  color: #f45549;
  border-color: #f45549;
}

.bt-v57-model-stamp {
  position: absolute;
  right: clamp(24px, 5vw, 86px);
  bottom: 28px;
  z-index: 2;
  color: rgba(255, 255, 255, 0.76);
  font-family: var(--font-geist-mono), ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}

body.bt-v57-home .home-paths {
  color: var(--bt57-ink) !important;
  background: var(--bt57-paper) !important;
}

body.bt-v57-home .home-paths .section-kicker,
body.bt-v57-home .home-paths .section-copy {
  color: #454746 !important;
}

body.bt-v57-home .home-paths .section-heading h2 {
  color: var(--bt57-ink) !important;
}

/* The route heading sits on cream, so its outlined line needs an ink stroke. */
body.bt-v57-home .home-paths .section-heading h2 .bt-outline {
  color: transparent !important;
  -webkit-text-stroke: 2px rgba(9, 11, 11, 0.88) !important;
}

body.bt-v57-home .home-path-card {
  box-shadow: 0 22px 60px rgba(8, 10, 10, 0.16);
}

body.bt-v57-home .home-path-card img {
  opacity: 1 !important;
}

body.bt-v57-home .home-path-card:nth-child(2) img {
  object-position: 68% center !important;
}

body.bt-v57-home .home-path-copy {
  inset: 0 !important;
  width: 100% !important;
  height: 100% !important;
  display: flex !important;
  flex-direction: column !important;
  justify-content: flex-start !important;
  color: #fff !important;
}

body.bt-v57-home .home-path-copy > p {
  color: #f04438 !important;
  font-size: clamp(17px, 1.15vw, 21px) !important;
  line-height: 1.3 !important;
  letter-spacing: 0.13em !important;
}

body.bt-v57-home .home-path-copy h3 {
  color: #fff !important;
  font-size: clamp(52px, 5.7vw, 108px) !important;
  line-height: 0.9 !important;
  text-shadow: 0 3px 28px rgba(0, 0, 0, 0.55);
}

body.bt-v57-home .home-path-copy > span {
  color: rgba(255, 255, 255, 0.86) !important;
  font-size: clamp(17px, 1.25vw, 23px) !important;
  line-height: 1.6 !important;
}

/* The ECU card has a pale metal image, so use a dark, heavier description. */
body.bt-v57-home .home-path-card:first-child .home-path-copy > span {
  color: rgba(9, 11, 11, 0.94) !important;
  font-weight: 700 !important;
  text-shadow: 0 1px 14px rgba(255, 255, 255, 0.72);
}

body.bt-v57-home .home-path-copy > strong {
  margin-top: auto !important;
  color: #fff !important;
  font-size: clamp(12px, 0.85vw, 15px) !important;
}

body.bt-v57-home .home-confidence {
  color: var(--bt57-ink) !important;
  background: #f6f2e8 !important;
}

body.bt-v57-home .home-confidence .section-kicker,
body.bt-v57-home .home-confidence .section-copy,
body.bt-v57-home .home-confidence .home-steps p {
  color: #474947 !important;
}

body.bt-v57-home .home-confidence .section-kicker,
body.bt-v57-home .home-confidence .home-steps .section-kicker {
  color: #f04438 !important;
}

body.bt-v57-home .home-confidence h2,
body.bt-v57-home .home-confidence strong {
  color: var(--bt57-ink) !important;
}

body.bt-v57-home .home-confidence .text-link {
  color: #fff !important;
  font-size: clamp(14px, 1vw, 18px) !important;
  font-weight: 800 !important;
  letter-spacing: 0.11em !important;
  border-bottom-color: rgba(255, 255, 255, 0.48) !important;
}

body.bt-v57-home .home-confidence .text-link:hover,
body.bt-v57-home .home-confidence .text-link:focus-visible {
  color: #f04438 !important;
  border-bottom-color: #f04438 !important;
}

body.bt-v57-home .home-confidence .home-steps li,
body.bt-v57-home .home-confidence .home-steps {
  border-color: rgba(9, 11, 11, 0.19) !important;
}

.bt-v57-road-notes {
  padding: clamp(82px, 8vw, 120px) clamp(24px, 5vw, 84px) clamp(54px, 5vw, 78px);
  color: var(--bt57-ink);
  background: var(--bt57-paper-warm);
}

.bt-v57-road-notes-head {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(30px, 7vw, 110px);
  align-items: end;
  margin-bottom: clamp(48px, 7vw, 96px);
  padding-top: 26px;
  border-top: 1px solid var(--bt57-line-dark);
}

.bt-v57-road-notes h2 {
  max-width: 10ch;
  font-size: clamp(62px, 8.6vw, 138px);
}

.bt-v57-road-notes-head > p {
  max-width: 48ch;
  margin: 0 0 10px;
  padding-left: clamp(26px, 3vw, 52px);
  color: #3d403e;
  font-size: clamp(17px, 1.35vw, 21px);
  line-height: 1.65;
}

.bt-v57-note-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--bt57-line-dark);
}

.bt-v57-note {
  display: flex;
  min-height: 0;
  flex-direction: column;
  padding: 30px clamp(22px, 3vw, 46px) 34px;
  color: inherit;
  border-right: 1px solid var(--bt57-line-dark);
  text-decoration: none;
  transition: color 180ms ease, background 180ms ease;
}

.bt-v57-note:last-child {
  border-right: 0;
}

.bt-v57-note small {
  font-family: var(--font-geist-mono), ui-monospace, monospace;
  font-size: clamp(12px, 0.8vw, 15px);
  font-weight: 750;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.bt-v57-note h3 {
  max-width: 12ch;
  margin: 34px 0 22px;
  font-size: clamp(46px, 4.25vw, 78px);
  font-weight: 800;
  letter-spacing: -0.018em;
  line-height: 0.95;
  text-transform: uppercase;
}

.bt-v57-note h3 .bt-v57-outline {
  font-weight: 700;
  letter-spacing: -0.055em;
  word-spacing: normal;
  line-height: 1.02;
  -webkit-text-stroke-width: 1px;
}

/* The shared review band gains an atmospheric motorcycle backdrop. */
body.bt-v57 .bt-feedback {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(4, 6, 6, 0.92) 0%, rgba(4, 6, 6, 0.82) 44%, rgba(4, 6, 6, 0.45) 72%, rgba(4, 6, 6, 0.56) 100%),
    radial-gradient(circle at 78% 42%, rgba(212, 48, 36, 0.2), transparent 34%),
    url('/images/emotion-ride-hero-lights-v57.jpg') 82% 47% / cover no-repeat !important;
}

body.bt-v57 .bt-feedback::before {
  position: absolute;
  inset: 0;
  z-index: 0;
  content: '';
  pointer-events: none;
  background:
    linear-gradient(115deg, transparent 0 67%, rgba(212, 48, 36, 0.14) 67.1% 67.35%, transparent 67.45%),
    linear-gradient(0deg, rgba(0, 0, 0, 0.2), transparent 50%);
}

body.bt-v57 .bt-feedback-heading,
body.bt-v57 .bt-feedback-grid {
  position: relative;
  z-index: 1;
}

body.bt-v57 .bt-feedback-heading {
  min-height: clamp(400px, 36vw, 650px);
  align-content: end;
}

body.bt-v57 .bt-feedback-heading > p:last-child {
  color: rgba(255, 255, 255, 0.82);
}

.bt-v57-scene--workshop h2 {
  max-width: 8ch;
}

.bt-v57-scene--workshop h2 > span:first-child {
  white-space: nowrap;
}

.bt-v57-note p {
  margin: 0;
  color: #4c4e4c;
  line-height: 1.55;
}

.bt-v57-note > span {
  display: inline-flex;
  gap: 9px;
  align-items: center;
  margin-top: 22px;
  font-family: var(--font-geist-mono), ui-monospace, monospace;
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.bt-v57-note:hover,
.bt-v57-note:focus-visible {
  color: #fff;
  outline: 0;
  background: var(--bt57-red);
}

.bt-v57-note:hover p,
.bt-v57-note:focus-visible p {
  color: rgba(255, 255, 255, 0.82);
}

.bt-v57-note:hover .bt-v57-outline,
.bt-v57-note:focus-visible .bt-v57-outline {
  -webkit-text-stroke-color: #fff;
}

@supports not (-webkit-text-stroke: 1px currentColor) {
  .bt-v57-outline {
    color: inherit;
  }
}

.bt-v57-reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 700ms cubic-bezier(.2,.75,.25,1), transform 700ms cubic-bezier(.2,.75,.25,1);
}

.bt-v57-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

body.bt-v57:not(.bt-v57-home) .inner-page-hero,
body.bt-v57:not(.bt-v57-home) .product-detail-hero {
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

body.bt-v57:not(.bt-v57-home) .inner-page-hero h1,
body.bt-v57:not(.bt-v57-home) .product-detail-hero h1 {
  letter-spacing: -0.065em !important;
}

/* Parts overview refinements: bring the motorcycle into view and keep pale-page
   outline typography deliberately dark rather than low-contrast white. */
body.bt-v57-parts .inner-page-hero-image img {
  object-position: 88% center !important;
}

body.bt-v57-parts .inner-page-hero h1 .bt-v57-punct {
  display: inline-block;
  margin-left: 0.08em;
}

body.bt-v57-parts .general-customisation-heading .bt-outline {
  color: transparent !important;
  -webkit-text-stroke: 1.5px rgba(9, 11, 11, 0.9) !important;
}

/* Cream FAQ backgrounds require an ink outline rather than the shared light
   outline used over photography and black sections. */
body.bt-v57-process .faq-section .bt-outline {
  color: transparent !important;
  -webkit-text-stroke: 1.5px rgba(9, 11, 11, 0.9) !important;
}

/* Use the previously empty half of the process introduction for a purpose-made
   R 1300 GS off-road descent image, while leaving the four steps unobscured. */
body.bt-v57-process .process-section {
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

body.bt-v57-process .inner-page-hero-image img {
  object-position: 56% center !important;
}

body.bt-v57-process .process-section::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  z-index: 0;
  width: 49%;
  height: 52%;
  pointer-events: none;
  background:
    linear-gradient(90deg, var(--bt57-ink) 0%, rgba(9, 11, 11, 0.28) 18%, rgba(9, 11, 11, 0.08) 55%),
    linear-gradient(0deg, rgba(9, 11, 11, 0.3), rgba(9, 11, 11, 0.04)),
    url('/images/v57-r1300gs-offroad-descent-headlight-v2.jpg') 54% center / cover no-repeat;
}

body.bt-v57-process .process-section > * {
  position: relative;
  z-index: 1;
}

body.bt-v57 .site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

@media (max-width: 900px) {
  body.bt-v57-home .partner-band > p,
  body.bt-v57-home .partner-band > p:last-child {
    justify-self: center;
    text-align: center;
  }

  body.bt-v57-process .process-section {
    display: flex;
    flex-direction: column;
  }

  body.bt-v57-process .process-section .section-heading {
    order: 1;
  }

  body.bt-v57-process .process-section::before {
    display: block;
    position: relative;
    top: auto;
    right: auto;
    order: 2;
    z-index: 1;
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    margin-top: 42px;
    background:
      linear-gradient(0deg, rgba(9, 11, 11, 0.18), rgba(9, 11, 11, 0.02)),
      url('/images/v57-r1300gs-offroad-descent-headlight-v2.jpg') 54% center / cover no-repeat;
  }

  body.bt-v57-process .process-grid {
    order: 3;
    width: 100%;
  }

  .bt-v57-intro,
  .bt-v57-road-notes-head {
    grid-template-columns: 1fr;
  }

  .bt-v57-road-notes-head > p {
    padding-left: 0;
  }

  .bt-v57-intro {
    gap: 40px;
  }

  .bt-v57-intro h2 {
    max-width: 9ch;
  }

  .bt-v57-note-grid {
    grid-template-columns: 1fr;
  }

  .bt-v57-note {
    min-height: 300px;
    border-right: 0;
    border-bottom: 1px solid var(--bt57-line-dark);
  }

  .bt-v57-note:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 680px) {
  body.bt-v57-home .cinematic-hero {
    min-height: 760px;
  }

  .bt-v57-intro {
    padding-top: 72px;
    padding-bottom: 72px;
  }

  .bt-v57-intro h2 {
    font-size: clamp(56px, 20vw, 92px);
  }

  .bt-v57-scene {
    min-height: 760px;
  }

  .bt-v57-scene-media img {
    height: 106%;
    transform: scale(1.015);
  }

  .bt-v57-scene--gs .bt-v57-scene-media img {
    object-position: 63% center;
  }

  .bt-v57-scene--xr .bt-v57-scene-media img {
    object-position: 34% center;
  }

  .bt-v57-scene--workshop .bt-v57-scene-media img {
    object-position: 61% center;
  }

  .bt-v57-scene-shade,
  .bt-v57-scene--xr .bt-v57-scene-shade {
    background: linear-gradient(0deg, rgba(3, 5, 5, 0.94) 0%, rgba(3, 5, 5, 0.66) 38%, rgba(3, 5, 5, 0.08) 78%);
  }

  .bt-v57-scene-copy,
  .bt-v57-scene--xr .bt-v57-scene-copy {
    justify-content: flex-end;
    align-items: flex-start;
    width: 100%;
    margin: 0;
    padding: 54px 24px;
  }

  .bt-v57-scene h2 {
    font-size: clamp(66px, 22vw, 104px);
  }

  .bt-v57-model-stamp {
    display: none;
  }

  .bt-v57-road-notes {
    padding-top: 92px;
    padding-bottom: 92px;
  }

  .bt-v57-road-notes h2 {
    font-size: clamp(56px, 18vw, 86px);
  }

  body.bt-v57 .bt-feedback {
    background-position: 64% center !important;
  }

  body.bt-v57 .bt-feedback-heading {
    min-height: 520px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .bt-v57-scene-media img {
    transform: scale(1.015) !important;
    will-change: auto;
  }

  .bt-v57-reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}