.product-guide {
  min-width: 0;
  overflow: clip;
  background: var(--bsn-void);
  color: var(--bsn-pearl);
  font-family: var(--bsn-body);
}

.product-guide *,
.product-guide *::before,
.product-guide *::after {
  box-sizing: border-box;
}

.product-guide :where(button, input, a):focus-visible {
  outline: 2px solid var(--bsn-gold-highlight);
  outline-offset: 4px;
}

.product-guide :where(section[id], dl[id]) {
  scroll-margin-top: 150px;
}

.product-guide__skip {
  position: fixed;
  z-index: 220;
  top: 10px;
  left: 12px;
  padding: 10px 14px;
  transform: translateY(-160%);
  border: 1px solid var(--bsn-rule);
  background: var(--bsn-carbon);
  color: var(--bsn-pearl);
  font-size: 12px;
}

.product-guide__skip:focus {
  transform: translateY(0);
}

.product-guide__eyebrow {
  margin: 0;
  color: var(--bsn-gold);
  font-family: var(--bsn-utility);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  line-height: 1.5;
  text-transform: uppercase;
}

.product-guide__hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(430px, 0.92fr) minmax(460px, 1.08fr);
  min-height: min(920px, 100svh);
  padding: clamp(166px, 16vh, 210px) clamp(38px, 7vw, 112px) 88px;
  overflow: hidden;
  background: var(--bsn-void);
  color: var(--bsn-pearl);
}

.product-guide__hero::before {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 77% 42%, rgba(213, 162, 69, 0.12), transparent 28rem),
    linear-gradient(rgba(245, 242, 234, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 242, 234, 0.025) 1px, transparent 1px);
  background-size: auto, 72px 72px, 72px 72px;
  content: '';
  pointer-events: none;
}

.product-guide__hero::after {
  position: absolute;
  top: 108px;
  bottom: 0;
  left: 50%;
  width: 1px;
  background: var(--bsn-rule-soft);
  content: '';
}

.product-guide__hero-copy,
.product-guide__hero-stage {
  position: relative;
  z-index: 1;
}

.product-guide__hero-copy {
  align-self: center;
  max-width: 680px;
  padding-right: clamp(30px, 5vw, 86px);
}

.product-guide__hero h1 {
  max-width: 670px;
  margin: 23px 0 0;
  color: var(--bsn-pearl);
  font-family: var(--bsn-display);
  font-size: clamp(48px, 5vw, 78px);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1.04;
}

.product-guide__hero h1 span {
  background: var(--bsn-metal);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
}

.product-guide__hero-intro {
  max-width: 580px;
  margin: 28px 0 0;
  color: rgba(245, 242, 234, 0.68);
  font-size: clamp(14px, 1.2vw, 16px);
  line-height: 1.85;
}

.product-guide__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 22px;
  align-items: center;
  margin-top: 34px;
}

.product-guide__button {
  display: inline-flex;
  gap: 28px;
  align-items: center;
  justify-content: space-between;
  min-height: 52px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 0;
  font: inherit;
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
  transition: border-color 180ms ease, background 180ms ease, color 180ms ease, transform 180ms ease;
}

.product-guide__button--gold {
  border-color: var(--bsn-gold);
  background: var(--bsn-gold);
  color: var(--bsn-void);
}

.product-guide__button--gold:hover {
  border-color: var(--bsn-gold-highlight);
  background: var(--bsn-gold-highlight);
  transform: translateY(-2px);
}

.product-guide__text-link {
  display: inline-flex;
  gap: 13px;
  align-items: center;
  min-height: 46px;
  border-bottom: 1px solid rgba(245, 242, 234, 0.34);
  color: rgba(245, 242, 234, 0.78);
  font-size: 12px;
  text-decoration: none;
}

.product-guide__text-link:hover {
  border-bottom-color: var(--bsn-gold-highlight);
  color: var(--bsn-gold-highlight);
}

.product-guide__arrow {
  font-family: var(--bsn-utility);
  font-size: 17px;
  transition: transform 180ms ease;
}

.product-guide :where(.product-guide__button, .product-guide__text-link):hover .product-guide__arrow {
  transform: translateX(4px);
}

.product-guide__notice {
  max-width: 600px;
  margin: 26px 0 0;
  color: rgba(245, 242, 234, 0.42);
  font-size: 10px;
  line-height: 1.75;
}

.product-guide__hero-stage,
.product-guide__lab-stage {
  display: grid;
  place-items: center;
}

.product-guide-stage {
  position: relative;
  display: grid;
  width: min(560px, 42vw);
  min-width: 360px;
  aspect-ratio: 1;
  place-items: center;
  isolation: isolate;
}

.product-guide-stage__halo {
  position: absolute;
  z-index: -2;
  width: 84%;
  aspect-ratio: 1;
  border: 1px solid rgba(248, 217, 133, 0.26);
  border-radius: 50%;
  box-shadow:
    0 0 0 28px rgba(213, 162, 69, 0.025),
    0 0 88px rgba(213, 162, 69, 0.09);
  transition: border-radius 260ms ease, border-color 260ms ease, box-shadow 260ms ease;
}

.product-guide-stage__product {
  display: grid;
  width: 68%;
  aspect-ratio: 1;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(248, 217, 133, 0.42);
  border-radius: 50%;
  background: var(--bsn-pearl);
  box-shadow: 0 32px 70px rgba(0, 0, 0, 0.42);
  transition: border-radius 260ms ease, transform 260ms ease, box-shadow 260ms ease;
}

.product-guide-stage__product img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.03);
  transition: filter 260ms ease, transform 260ms ease;
}

.product-guide-stage__index {
  position: absolute;
  top: 7%;
  right: 2%;
  color: rgba(245, 242, 234, 0.4);
  font-family: var(--bsn-utility);
  font-size: 9px;
  letter-spacing: 0.16em;
}

.product-guide-stage__tag {
  position: absolute;
  right: 1%;
  bottom: 5%;
  display: grid;
  width: min(260px, 52%);
  min-height: 92px;
  padding: 15px 17px;
  border: 1px solid var(--bsn-rule);
  background: rgba(5, 5, 5, 0.94);
  box-shadow: 0 16px 38px rgba(0, 0, 0, 0.34);
}

.product-guide-stage__tag small {
  color: var(--bsn-gold);
  font-family: var(--bsn-utility);
  font-size: 8px;
  letter-spacing: 0.13em;
}

.product-guide-stage__tag strong {
  max-width: 100%;
  margin-top: 6px;
  overflow: hidden;
  color: var(--bsn-pearl);
  font-family: var(--bsn-display);
  font-size: 18px;
  font-weight: 650;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.product-guide-stage__tag > span {
  margin-top: 4px;
  overflow: hidden;
  color: var(--bsn-muted);
  font-size: 9px;
  line-height: 1.45;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.product-guide-stage[data-profile='minimal'] .product-guide-stage__product {
  border-radius: 8px;
}

.product-guide-stage[data-profile='soft'] .product-guide-stage__halo {
  border-radius: 38% 62% 56% 44%;
  box-shadow: 0 0 82px rgba(248, 217, 133, 0.16);
}

.product-guide-stage[data-profile='bold'] .product-guide-stage__product {
  border-width: 3px;
  border-radius: 18%;
  box-shadow: 18px 18px 0 rgba(213, 162, 69, 0.13), 0 32px 70px rgba(0, 0, 0, 0.42);
}

.product-guide-stage[data-profile='bold'] .product-guide-stage__product img {
  filter: saturate(1.05) contrast(1.08);
  transform: scale(1.04);
}

.product-guide-stage[data-profile='natural'] .product-guide-stage__product img {
  filter: sepia(0.16) saturate(0.82) contrast(1.02);
}

.product-guide__rail {
  position: sticky;
  z-index: 12;
  top: 78px;
  display: grid;
  grid-template-columns: repeat(2, minmax(180px, 1fr));
  padding: 0 clamp(28px, 7vw, 112px);
  border-top: 1px solid var(--bsn-rule-soft);
  border-bottom: 1px solid var(--bsn-rule);
  background: rgba(5, 5, 5, 0.97);
  backdrop-filter: blur(14px);
}

.product-guide__rail a {
  min-height: 60px;
  padding: 20px 18px;
  border-right: 1px solid var(--bsn-rule-soft);
  color: var(--bsn-muted);
  font-family: var(--bsn-utility);
  font-size: 10px;
  text-align: center;
  text-decoration: none;
}

.product-guide__rail a:first-child {
  border-left: 1px solid var(--bsn-rule-soft);
}

.product-guide__rail a:hover,
.product-guide__rail a:focus-visible {
  background: rgba(213, 162, 69, 0.08);
  color: var(--bsn-gold-highlight);
}

.product-guide__lab {
  display: grid;
  grid-template-columns: minmax(420px, 0.95fr) minmax(500px, 1.05fr);
  min-height: 820px;
  border-bottom: 1px solid var(--bsn-rule);
  background: var(--bsn-carbon);
}

.product-guide__lab-stage {
  position: relative;
  min-height: 800px;
  padding: 94px 48px 65px;
  overflow: hidden;
  border-right: 1px solid var(--bsn-rule-soft);
  background:
    linear-gradient(rgba(245, 242, 234, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 242, 234, 0.03) 1px, transparent 1px),
    var(--bsn-graphite);
  background-size: 56px 56px;
}

.product-guide__lab-stage > .product-guide__eyebrow {
  position: absolute;
  top: 48px;
  left: 48px;
}

.product-guide__lab-stage .product-guide-stage {
  width: min(520px, 42vw);
}

.product-guide__live {
  position: absolute;
  right: 40px;
  bottom: 35px;
  left: 40px;
  min-height: 30px;
  margin: 0;
  color: var(--bsn-muted);
  font-family: var(--bsn-utility);
  font-size: 9px;
  line-height: 1.6;
  text-align: center;
}

.product-guide__lab-panel {
  align-self: stretch;
  padding: 90px clamp(40px, 5.5vw, 86px);
  background: var(--bsn-carbon);
}

.product-guide__lab-panel h2,
.product-guide__disclosure h2 {
  margin: 16px 0 0;
  color: var(--bsn-pearl);
  font-family: var(--bsn-display);
  font-size: clamp(36px, 3.7vw, 56px);
  font-weight: 600;
  letter-spacing: -0.055em;
  line-height: 1.08;
}

.product-guide__lab-panel > p:not(.product-guide__eyebrow) {
  max-width: 620px;
  margin: 18px 0 0;
  color: var(--bsn-muted);
  font-size: 13px;
  line-height: 1.75;
}

.product-guide__controls {
  display: grid;
  gap: 27px;
  margin-top: 38px;
}

.product-guide__option-group {
  min-width: 0;
  padding: 0;
  margin: 0;
  border: 0;
}

.product-guide__option-group legend,
.product-guide__field > span {
  margin-bottom: 9px;
  color: var(--bsn-silver);
  font-size: 11px;
  font-weight: 500;
}

.product-guide__option-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
}

.product-guide__option-grid input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
}

.product-guide__option-grid label {
  display: grid;
  min-height: 48px;
  padding: 9px 11px;
  place-items: center;
  border: 1px solid var(--bsn-rule-soft);
  background: var(--bsn-graphite);
  color: var(--bsn-silver);
  font-size: 11px;
  line-height: 1.4;
  text-align: center;
  transition: border-color 160ms ease, background 160ms ease, color 160ms ease;
}

.product-guide__option-grid label:hover {
  border-color: rgba(248, 217, 133, 0.48);
  color: var(--bsn-pearl);
}

.product-guide__option-grid input:checked + label {
  border-color: var(--bsn-gold);
  background: var(--bsn-gold);
  color: var(--bsn-void);
}

.product-guide__option-grid input:focus-visible + label {
  outline: 2px solid var(--bsn-gold-highlight);
  outline-offset: 3px;
}

.product-guide__field {
  display: grid;
}

.product-guide__field input {
  width: 100%;
  height: 49px;
  padding: 0 14px;
  border: 1px solid rgba(245, 242, 234, 0.18);
  border-radius: 0;
  background: var(--bsn-void);
  color: var(--bsn-pearl);
  caret-color: var(--bsn-gold-highlight);
  font: inherit;
  font-size: 12px;
}

.product-guide__field input:hover {
  border-color: rgba(248, 217, 133, 0.45);
}

.product-guide__field input:focus {
  border-color: var(--bsn-gold-highlight);
}

.product-guide__field small {
  margin-top: 7px;
  color: var(--bsn-muted);
  font-size: 9px;
  line-height: 1.6;
}

.product-guide__summary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin: 0;
  border-top: 1px solid var(--bsn-rule-soft);
  border-left: 1px solid var(--bsn-rule-soft);
}

.product-guide__summary > div {
  min-width: 0;
  padding: 13px 14px;
  border-right: 1px solid var(--bsn-rule-soft);
  border-bottom: 1px solid var(--bsn-rule-soft);
  background: var(--bsn-graphite);
}

.product-guide__summary dt {
  color: var(--bsn-muted);
  font-family: var(--bsn-utility);
  font-size: 8px;
  letter-spacing: 0.08em;
}

.product-guide__summary dd {
  margin: 5px 0 0;
  overflow-wrap: anywhere;
  color: var(--bsn-pearl);
  font-size: 11px;
  font-weight: 500;
}

.product-guide__controls > .product-guide__button {
  width: 100%;
}

.product-guide__disclosure {
  display: grid;
  grid-template-columns: minmax(180px, 0.35fr) minmax(360px, 0.75fr) minmax(340px, 0.9fr);
  gap: 32px clamp(40px, 7vw, 110px);
  align-items: start;
  padding: 80px clamp(38px, 7vw, 112px);
  background: var(--bsn-gold);
  color: var(--bsn-void);
}

.product-guide__disclosure .product-guide__eyebrow {
  padding-top: 8px;
  color: #5e3d13;
}

.product-guide__disclosure h2 {
  margin: 0;
  color: var(--bsn-void);
  font-size: clamp(30px, 3vw, 46px);
}

.product-guide__disclosure > p:last-child {
  margin: 4px 0 0;
  color: rgba(5, 5, 5, 0.72);
  font-size: 12px;
  line-height: 1.8;
}

@media (max-width: 1120px) {
  .product-guide__hero {
    grid-template-columns: minmax(400px, 1fr) minmax(390px, 0.85fr);
    padding-right: 48px;
    padding-left: 48px;
  }

  .product-guide__hero h1 {
    font-size: clamp(43px, 5.4vw, 64px);
  }

  .product-guide-stage {
    min-width: 320px;
  }

  .product-guide__lab {
    grid-template-columns: minmax(390px, 0.86fr) minmax(480px, 1.14fr);
  }

  .product-guide__lab-panel {
    padding-right: 46px;
    padding-left: 46px;
  }

  .product-guide__disclosure {
    grid-template-columns: 0.4fr 0.8fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 800px) {
  .product-guide__hero {
    grid-template-columns: 1fr;
    min-height: 0;
    padding: 126px 25px 70px;
  }

  .product-guide__hero::after {
    content: none;
  }

  .product-guide__hero-copy {
    max-width: none;
    padding-right: 0;
  }

  .product-guide__hero h1 {
    font-size: clamp(39px, 11vw, 54px);
  }

  .product-guide__hero-stage {
    min-height: 500px;
    margin-top: 36px;
    border-top: 1px solid var(--bsn-rule-soft);
  }

  .product-guide-stage,
  .product-guide__lab-stage .product-guide-stage {
    width: min(520px, 92vw);
    min-width: 0;
  }

  .product-guide__rail {
    top: 68px;
    padding: 0 20px;
  }

  .product-guide__lab {
    grid-template-columns: 1fr;
  }

  .product-guide__lab-stage {
    min-height: 620px;
    padding: 86px 25px 55px;
    border-right: 0;
    border-bottom: 1px solid var(--bsn-rule-soft);
  }

  .product-guide__lab-stage > .product-guide__eyebrow {
    top: 34px;
    left: 25px;
  }

  .product-guide__lab-panel {
    padding: 72px 25px;
  }

  .product-guide__disclosure {
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 66px 25px;
  }

  .product-guide__disclosure .product-guide__eyebrow {
    padding-top: 0;
  }
}

@media (max-width: 520px) {
  .product-guide__hero-actions {
    align-items: stretch;
  }

  .product-guide__hero-actions > * {
    width: 100%;
  }

  .product-guide__text-link {
    justify-content: space-between;
  }

  .product-guide__hero-stage {
    min-height: 405px;
  }

  .product-guide-stage__product {
    width: 72%;
  }

  .product-guide-stage__tag {
    right: 2%;
    bottom: 1%;
    width: 60%;
  }

  .product-guide__lab-stage {
    min-height: 515px;
  }

  .product-guide__lab-panel h2 {
    font-size: 35px;
  }

  .product-guide__summary {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 380px) {
  .product-guide__option-grid {
    grid-template-columns: 1fr;
  }

  .product-guide__rail {
    padding: 0;
  }

  .product-guide-stage__tag {
    width: 68%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .product-guide *,
  .product-guide *::before,
  .product-guide *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}