:root {
  --m15-ink: #11191f;
  --m15-muted: #5c6870;
  --m15-line: #dfe3e5;
  --m15-blue: #153a57;
  --m15-pale: #f3f4f2;
}

.m15-page {
  margin: 0;
  background: #fff;
  color: var(--m15-ink);
}

.m15-page * {
  box-sizing: border-box;
}

.m15-product {
  width: min(1560px, calc(100% - 64px));
  margin: 0 auto;
  padding: 24px 0 34px;
}

.m15-breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  padding: 8px 0 24px;
  color: #6f787e;
  font-size: 12px;
}

.m15-breadcrumbs a {
  color: inherit;
  text-decoration: none;
}

.m15-product-grid {
  display: grid;
  grid-template-columns: minmax(340px, .64fr) minmax(0, 1.36fr);
  min-height: 650px;
  border: 1px solid var(--m15-line);
  background: #fff;
}

.m15-product-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(32px, 4.2vw, 68px);
  border-right: 1px solid var(--m15-line);
}

.m15-eyebrow {
  display: block;
  margin-bottom: 14px;
  color: #1764a0;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.m15-product-copy h1 {
  max-width: 460px;
  margin: 0;
  overflow-wrap: anywhere;
  font-size: clamp(38px, 3.2vw, 54px);
  font-weight: 590;
  line-height: .98;
  letter-spacing: -.05em;
}

.m15-byline {
  margin: 14px 0 26px;
  color: #697278;
  font-size: 13px;
}

.m15-intro {
  max-width: 440px;
  margin: 0;
  color: var(--m15-muted);
  font-size: 16px;
  line-height: 1.7;
}

.m15-finish {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  align-items: center;
  margin-top: 28px;
  color: #4d575d;
  font-size: 12px;
}

.m15-finish > span {
  flex: 0 0 100%;
  color: #7a8388;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.m15-finish div {
  display: flex;
  gap: 7px;
  align-items: center;
}

.m15-swatch {
  width: 18px;
  height: 18px;
  border: 1px solid #bfc5c8;
  border-radius: 50%;
}

.m15-swatch--white { background: #f5f5f3; }
.m15-swatch--black { background: #202326; }

.m15-actions {
  display: grid;
  gap: 10px;
  margin-top: 30px;
}

.m15-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border: 1px solid var(--m15-blue);
  color: var(--m15-blue);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .06em;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
  transition: background .2s ease, color .2s ease, transform .2s ease;
}

.m15-button:hover { transform: translateY(-2px); }
.m15-button--primary { background: var(--m15-blue); color: #fff; }
.m15-button--light { border-color: #fff; color: #fff; }
.m15-button--light:hover { background: #fff; color: var(--m15-blue); }

.m15-note {
  margin: 18px 0 0;
  color: #7b8489;
  font-size: 11px;
  line-height: 1.55;
}

.m15-gallery {
  min-width: 0;
  overflow: hidden;
  background: var(--m15-pale);
}

.m15-track {
  display: flex;
  width: 100%;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}

.m15-track::-webkit-scrollbar { display: none; }

.m15-track:focus-visible {
  outline: 3px solid #1764a0;
  outline-offset: -3px;
}

.m15-slide {
  flex: 0 0 100%;
  width: 100%;
  margin: 0;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  background: #fff;
}

.m15-slide img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: contain;
  object-position: center;
}

.m15-gallery-controls {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 24px;
  min-height: 66px;
  padding: 10px 18px;
  align-items: center;
  border-top: 1px solid var(--m15-line);
  background: #fff;
}

.m15-gallery-arrows {
  display: flex;
  gap: 8px;
}

.m15-gallery-arrows button {
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid #ccd2d5;
  background: #fff;
  color: var(--m15-blue);
  font-size: 19px;
  cursor: pointer;
}

.m15-gallery-arrows button:hover { background: #eef3f6; }
.m15-gallery-arrows button:disabled { opacity: .35; cursor: default; }

.m15-count {
  justify-self: center;
  color: #7c858a;
  font-size: 11px;
  letter-spacing: .08em;
}

.m15-count b { color: var(--m15-ink); }

.m15-dots {
  display: flex;
  gap: 7px;
}

.m15-dots button {
  width: 7px;
  height: 7px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: #c4c9cc;
  cursor: pointer;
}

.m15-dots button[aria-current="true"] {
  width: 22px;
  border-radius: 6px;
  background: var(--m15-blue);
}

.m15-thumbnails {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 8px;
  padding: 10px;
  border-top: 1px solid var(--m15-line);
  background: #f7f8f7;
}

.m15-thumbnails button {
  min-width: 0;
  padding: 0;
  overflow: hidden;
  border: 1px solid transparent;
  background: #fff;
  cursor: pointer;
}

.m15-thumbnails button[aria-current="true"] { border-color: var(--m15-blue); }

.m15-thumbnails img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: contain;
}

.m15-anchor-nav {
  position: sticky;
  top: 0;
  z-index: 12;
  display: flex;
  justify-content: center;
  gap: clamp(26px, 7vw, 92px);
  min-height: 62px;
  padding: 0 24px;
  overflow-x: auto;
  align-items: center;
  border-block: 1px solid var(--m15-line);
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(12px);
}

.m15-anchor-nav a {
  flex: 0 0 auto;
  color: var(--m15-ink);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .08em;
  text-decoration: none;
  text-transform: uppercase;
}

.m15-overview,
.m15-specs,
.m15-cta {
  width: min(1320px, calc(100% - 64px));
  margin: 0 auto;
}

.m15-overview {
  padding: 112px 0;
  scroll-margin-top: 72px;
}

.m15-content {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 80px;
  align-items: end;
}

.m15-content h2,
.m15-specs-heading h2,
.m15-cta h2 {
  margin: 0;
  font-size: clamp(40px, 5.6vw, 76px);
  font-weight: 570;
  line-height: 1.03;
  letter-spacing: -.05em;
}

.m15-content > p,
.m15-specs-heading > p,
.m15-cta p {
  margin: 0;
  color: var(--m15-muted);
  font-size: 17px;
  line-height: 1.75;
}

.m15-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 72px;
  border-block: 1px solid var(--m15-line);
}

.m15-feature-grid article {
  padding: 34px;
  border-right: 1px solid var(--m15-line);
}

.m15-feature-grid article:last-child { border-right: 0; }
.m15-feature-grid span { color: #1764a0; font-size: 11px; font-weight: 800; }
.m15-feature-grid h3 { margin: 42px 0 12px; font-size: 22px; }
.m15-feature-grid p { margin: 0; color: var(--m15-muted); font-size: 14px; line-height: 1.7; }

.m15-specs {
  display: grid;
  grid-template-columns: .74fr 1.26fr;
  gap: 80px;
  padding: 112px 0;
  scroll-margin-top: 72px;
  border-top: 1px solid var(--m15-line);
}

.m15-specs-heading h2 { font-size: clamp(38px, 4.6vw, 64px); }
.m15-specs-heading > p { margin-top: 24px; font-size: 15px; }

.m15-spec-table { border-top: 1px solid var(--m15-ink); }

.m15-spec-table > div {
  display: grid;
  grid-template-columns: minmax(180px, .62fr) 1.38fr;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--m15-line);
}

.m15-spec-table b { font-size: 13px; }
.m15-spec-table span { color: var(--m15-muted); font-size: 14px; line-height: 1.55; }

.m15-cta {
  display: grid;
  grid-template-columns: 1fr .72fr;
  gap: 70px;
  padding: 80px;
  margin-bottom: 112px;
  align-items: end;
  background: var(--m15-blue);
  color: #fff;
}

.m15-cta .m15-eyebrow { color: #a9d5f5; }
.m15-cta h2 { font-size: clamp(38px, 4.2vw, 60px); }
.m15-cta p { color: rgba(255,255,255,.78); font-size: 15px; }
.m15-cta .m15-button { margin-top: 26px; }

@media (max-width: 1100px) {
  .m15-product-grid { grid-template-columns: minmax(320px, .8fr) minmax(0, 1.2fr); }
  .m15-product-copy { padding: 34px; }
  .m15-product-copy h1 { font-size: clamp(34px, 4.4vw, 52px); }
  .m15-content,
  .m15-specs,
  .m15-cta { gap: 48px; }
}

@media (max-width: 820px) {
  .m15-product,
  .m15-overview,
  .m15-specs,
  .m15-cta { width: min(100% - 32px, 720px); }

  .m15-product-grid,
  .m15-content,
  .m15-specs,
  .m15-cta { grid-template-columns: 1fr; }

  .m15-product-grid { min-height: 0; }
  .m15-product-copy { order: 2; border-top: 1px solid var(--m15-line); border-right: 0; }
  .m15-gallery { order: 1; }
  .m15-overview,
  .m15-specs { padding: 78px 0; }
  .m15-feature-grid { grid-template-columns: 1fr; }
  .m15-feature-grid article { border-right: 0; border-bottom: 1px solid var(--m15-line); }
  .m15-feature-grid article:last-child { border-bottom: 0; }
  .m15-feature-grid h3 { margin-top: 22px; }
  .m15-cta { padding: 52px 38px; margin-bottom: 72px; }
}

@media (max-width: 520px) {
  .m15-product,
  .m15-overview,
  .m15-specs,
  .m15-cta { width: calc(100% - 24px); }
  .m15-product { padding-top: 10px; }
  .m15-breadcrumbs { padding-bottom: 14px; }
  .m15-product-copy { padding: 30px 22px; }
  .m15-product-copy h1 { font-size: 38px; }
  .m15-gallery-controls { grid-template-columns: auto 1fr; gap: 12px; }
  .m15-dots { display: none; }
  .m15-count { justify-self: end; }
  .m15-thumbnails { grid-template-columns: repeat(7, 72px); overflow-x: auto; }
  .m15-anchor-nav { justify-content: flex-start; }
  .m15-spec-table > div { grid-template-columns: 1fr; gap: 7px; }
  .m15-cta { padding: 38px 24px; }
}

@media (prefers-reduced-motion: reduce) {
  .m15-track { scroll-behavior: auto; }
  .m15-button { transition: none; }
}