.bn-detail-page {
  overflow-x: hidden;
  background: var(--bn-cream);
  color: var(--bn-ink);
}

.bn-detail-page .bn-header { position: sticky; }
.bn-detail-page h1,
.bn-detail-page h2,
.bn-detail-page h3 { text-wrap: balance; }

.bn-detail-hero {
  background: #eef4eb;
  padding-block: clamp(52px, 7vw, 112px);
}

.bn-detail-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr);
  align-items: center;
  gap: clamp(34px, 6vw, 92px);
}

.bn-detail-hero__copy { max-width: 620px; }
.bn-detail-eyebrow,
.bn-detail-section__eyebrow {
  margin: 0 0 15px;
  color: var(--bn-accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .16em;
  line-height: 1.4;
  text-transform: uppercase;
}

.bn-detail-hero h1 {
  margin: 0;
  color: var(--bn-forest);
  font-family: var(--bn-serif);
  font-size: clamp(48px, 6vw, 96px);
  font-weight: 500;
  letter-spacing: -.065em;
  line-height: .94;
}

.bn-detail-hero h1 em { color: var(--bn-accent); font-style: normal; }
.bn-detail-hero__intro {
  max-width: 560px;
  margin: 28px 0 27px;
  color: var(--bn-muted);
  font-size: clamp(17px, 1.4vw, 21px);
  line-height: 1.6;
}

.bn-detail-hero__actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.bn-detail-hero__media {
  overflow: hidden;
  border-radius: 30px;
  background: var(--bn-paper);
  box-shadow: 0 24px 70px rgba(18, 63, 52, .14);
}
.bn-detail-hero__media img { display: block; width: 100%; height: auto; }

.bn-detail-badges {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 32px;
}
.bn-detail-badge {
  min-height: 88px;
  padding: 16px;
  border: 1px solid rgba(18, 63, 52, .12);
  border-radius: 18px;
  background: rgba(255, 254, 250, .72);
}
.bn-detail-badge strong { display: block; color: var(--bn-forest); font-family: var(--bn-serif); font-size: 29px; font-weight: 500; letter-spacing: -.04em; line-height: 1; }
.bn-detail-badge span { display: block; margin-top: 8px; color: var(--bn-muted); font-size: 12px; line-height: 1.35; }

.bn-detail-proof { padding-block: 22px; border-bottom: 1px solid rgba(18, 63, 52, .1); background: var(--bn-paper); }
.bn-detail-proof__grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; }
.bn-detail-proof__item { padding: 7px clamp(12px, 2vw, 28px); border-right: 1px solid rgba(18, 63, 52, .12); }
.bn-detail-proof__item:first-child { padding-left: 0; }
.bn-detail-proof__item:last-child { border-right: 0; }
.bn-detail-proof__value { display: block; color: var(--bn-forest); font-family: var(--bn-serif); font-size: clamp(30px, 3vw, 48px); font-weight: 500; letter-spacing: -.06em; line-height: 1; }
.bn-detail-proof__label { display: block; margin-top: 8px; color: var(--bn-muted); font-size: 13px; line-height: 1.35; }

.bn-detail-section { padding-block: clamp(74px, 9vw, 140px); }
.bn-detail-section--soft { background: #f1f5ed; }
.bn-detail-section__head { max-width: 760px; margin-bottom: 42px; }
.bn-detail-section__head h2 { margin: 0; color: var(--bn-forest); font-family: var(--bn-serif); font-size: clamp(39px, 5vw, 74px); font-weight: 500; letter-spacing: -.06em; line-height: .98; }
.bn-detail-section__head p:last-child { max-width: 620px; margin: 22px 0 0; color: var(--bn-muted); font-size: clamp(16px, 1.4vw, 20px); line-height: 1.65; }

.bn-detail-feature { display: grid; grid-template-columns: minmax(0, .88fr) minmax(0, 1.12fr); align-items: center; gap: clamp(32px, 6vw, 100px); margin-top: clamp(44px, 7vw, 92px); }
.bn-detail-feature:first-of-type { margin-top: 0; }
.bn-detail-feature:nth-of-type(even) .bn-detail-feature__media { order: 2; }
.bn-detail-feature__copy h3 { margin: 0; color: var(--bn-forest); font-family: var(--bn-serif); font-size: clamp(31px, 3.1vw, 52px); font-weight: 500; letter-spacing: -.055em; line-height: 1; }
.bn-detail-feature__copy p { max-width: 510px; margin: 19px 0 0; color: var(--bn-muted); font-size: 16px; line-height: 1.7; }
.bn-detail-feature__copy ul { display: grid; gap: 11px; margin: 23px 0 0; padding: 0; list-style: none; }
.bn-detail-feature__copy li { position: relative; padding-left: 25px; color: var(--bn-forest); font-size: 15px; line-height: 1.5; }
.bn-detail-feature__copy li::before { position: absolute; top: .55em; left: 0; width: 9px; height: 9px; border-radius: 50%; background: var(--bn-accent); content: ''; }
.bn-detail-feature__media { overflow: hidden; border-radius: 26px; background: var(--bn-paper); box-shadow: 0 20px 54px rgba(18, 63, 52, .1); }
.bn-detail-feature__media img { display: block; width: 100%; height: auto; }

.bn-detail-card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.bn-detail-card { min-height: 205px; padding: clamp(23px, 3vw, 36px); border: 1px solid rgba(18, 63, 52, .12); border-radius: 22px; background: var(--bn-paper); }
.bn-detail-card__number { color: var(--bn-accent); font-size: 12px; font-weight: 800; letter-spacing: .16em; }
.bn-detail-card h3 { margin: 18px 0 0; color: var(--bn-forest); font-family: var(--bn-serif); font-size: clamp(25px, 2vw, 34px); font-weight: 500; letter-spacing: -.045em; line-height: 1; }
.bn-detail-card p { margin: 13px 0 0; color: var(--bn-muted); font-size: 14px; line-height: 1.55; }

.bn-detail-specs { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); align-items: stretch; gap: 18px; }
.bn-detail-specs__intro { padding: clamp(28px, 4vw, 52px); border-radius: 25px; background: var(--bn-forest); color: var(--bn-on-forest); }
.bn-detail-specs__intro h2 { margin: 0; color: var(--bn-on-forest); font-family: var(--bn-serif); font-size: clamp(36px, 4vw, 62px); font-weight: 500; letter-spacing: -.06em; line-height: .98; }
.bn-detail-specs__intro p { max-width: 380px; margin: 22px 0 0; color: var(--bn-on-forest-muted); font-size: 15px; line-height: 1.65; }
.bn-detail-specs__list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; overflow: hidden; border: 1px solid rgba(18, 63, 52, .12); border-radius: 25px; background: rgba(18, 63, 52, .12); }
.bn-detail-spec { padding: 25px; background: var(--bn-paper); }
.bn-detail-spec strong { display: block; color: var(--bn-forest); font-size: 14px; }
.bn-detail-spec span { display: block; margin-top: 8px; color: var(--bn-muted); font-size: 14px; line-height: 1.45; }

.bn-detail-cta { padding-block: clamp(70px, 9vw, 130px); background: #deefe1; }
.bn-detail-cta__inner { display: flex; align-items: end; justify-content: space-between; gap: 30px; }
.bn-detail-cta h2 { max-width: 750px; margin: 0; color: var(--bn-forest); font-family: var(--bn-serif); font-size: clamp(42px, 5.2vw, 78px); font-weight: 500; letter-spacing: -.065em; line-height: .96; }
.bn-detail-cta p { max-width: 300px; margin: 0; color: var(--bn-muted); font-size: 15px; line-height: 1.6; }
.bn-detail-back { display: inline-flex; margin-bottom: 27px; color: var(--bn-muted); font-size: 14px; font-weight: 700; text-decoration: none; }
.bn-detail-back:hover { color: var(--bn-forest); }

.bn-detail-page .bn-product-card__details { display: inline-flex; align-items: center; justify-content: center; min-height: 54px; padding: 0 21px; border: 1px solid rgba(18, 63, 52, .18); border-radius: 999px; color: var(--bn-forest); font-size: 14px; font-weight: 750; text-decoration: none; }

@media (max-width: 900px) {
  .bn-detail-hero__grid,
  .bn-detail-feature,
  .bn-detail-specs { grid-template-columns: 1fr; }
  .bn-detail-feature:nth-of-type(even) .bn-detail-feature__media { order: initial; }
  .bn-detail-hero__media { order: -1; }
  .bn-detail-card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .bn-detail-cta__inner { display: grid; align-items: start; }
}

@media (max-width: 620px) {
  .bn-detail-hero { padding-block: 35px 50px; }
  .bn-detail-hero h1 { font-size: clamp(46px, 14vw, 68px); }
  .bn-detail-hero__intro { margin-top: 20px; font-size: 16px; }
  .bn-detail-hero__actions { align-items: stretch; flex-direction: column; }
  .bn-detail-hero__actions .bn-button,
  .bn-detail-hero__actions .bn-product-card__details { width: 100%; }
  .bn-detail-badges { gap: 7px; margin-top: 24px; }
  .bn-detail-badge { min-height: 82px; padding: 12px 10px; }
  .bn-detail-badge strong { font-size: 23px; }
  .bn-detail-badge span { font-size: 11px; }
  .bn-detail-proof__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 0; }
  .bn-detail-proof__item:nth-child(2) { border-right: 0; }
  .bn-detail-proof__item:nth-child(3) { padding-left: 0; }
  .bn-detail-section { padding-block: 64px; }
  .bn-detail-section__head { margin-bottom: 32px; }
  .bn-detail-feature { gap: 25px; margin-top: 48px; }
  .bn-detail-feature__media { border-radius: 18px; }
  .bn-detail-card-grid,
  .bn-detail-specs__list { grid-template-columns: 1fr; }
  .bn-detail-spec { padding: 20px; }
  .bn-detail-cta h2 { font-size: clamp(43px, 13vw, 64px); }
}