:root {
  --ink: #241f1b;
  --muted: #756d66;
  --paper: #f8f5ef;
  --cream: #eee8df;
  --wine: #6f2131;
  --wine-dark: #32151c;
  --gold: #ad8258;
  --line: rgba(36, 31, 27, 0.16);
  --sans: "Yu Gothic", "Hiragino Kaku Gothic ProN", sans-serif;
  --serif: "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--serif);
}
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; }
button, input, textarea, select { font: inherit; }

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 100;
  padding: 12px 18px;
  color: #fff;
  background: var(--wine-dark);
}
.skip-link:focus { top: 16px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(22px, 5vw, 76px);
  border-bottom: 1px solid rgba(36, 31, 27, 0.1);
  background: rgba(248, 245, 239, 0.94);
  backdrop-filter: blur(16px);
}
.wordmark {
  display: block;
  width: 150px;
  height: 64px;
  text-decoration: none;
}
.wordmark img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: clamp(20px, 3vw, 40px);
  font: 12px/1 var(--sans);
  letter-spacing: 0.08em;
}
.main-nav a {
  padding: 9px 0;
  border-bottom: 1px solid transparent;
  text-decoration: none;
}
.main-nav a:hover,
.main-nav a:focus-visible { border-bottom-color: currentColor; }
.nav-contact {
  padding: 11px 18px !important;
  color: #fff;
  border: 1px solid var(--wine-dark) !important;
  background: var(--wine-dark);
}
.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  color: var(--ink);
  background: transparent;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--wine);
  font: 600 10px/1.5 var(--sans);
  letter-spacing: 0.28em;
  text-transform: uppercase;
}
.display {
  margin: 0;
  font-size: clamp(46px, 6.8vw, 94px);
  font-weight: 500;
  line-height: 1.18;
  letter-spacing: 0.045em;
}
.section-title {
  margin: 0;
  font-size: clamp(30px, 4vw, 50px);
  font-weight: 500;
  line-height: 1.48;
  letter-spacing: 0.04em;
}
.body-copy {
  color: var(--muted);
  font: 14px/2.15 var(--sans);
}
.body-copy p { margin: 0 0 1.4em; }

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 13px 24px;
  border: 1px solid var(--wine-dark);
  color: #fff;
  background: var(--wine-dark);
  font: 12px/1.5 var(--sans);
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: color 0.2s ease, background 0.2s ease;
}
.button:hover,
.button:focus-visible {
  color: var(--wine-dark);
  background: transparent;
}
.button.ghost {
  color: var(--wine-dark);
  background: transparent;
}
.button.ghost:hover,
.button.ghost:focus-visible {
  color: #fff;
  background: var(--wine-dark);
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 5px;
  border-bottom: 1px solid currentColor;
  color: var(--wine);
  font: 12px/1.5 var(--sans);
  letter-spacing: 0.08em;
  text-decoration: none;
}

.home-hero {
  position: relative;
  min-height: calc(100svh - 72px);
  display: grid;
  align-items: end;
  overflow: hidden;
  color: #fff;
  background: #2c201a;
}
.home-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(29, 17, 15, 0.78) 0%, rgba(29, 17, 15, 0.2) 56%, rgba(29, 17, 15, 0.08) 100%),
    linear-gradient(0deg, rgba(24, 15, 13, 0.45), transparent 46%);
}
.home-hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 48%;
}
.hero-inner {
  position: relative;
  z-index: 1;
  width: min(1440px, 100%);
  margin: 0 auto;
  padding: clamp(90px, 12vw, 170px) clamp(24px, 7vw, 108px) clamp(64px, 8vw, 110px);
}
.home-hero .eyebrow { color: #ead3ba; }
.hero-lead {
  max-width: 560px;
  margin: 32px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font: 14px/2.15 var(--sans);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 38px;
}
.home-hero .button { border-color: #fff; color: var(--ink); background: #fff; }
.home-hero .button:hover { color: #fff; background: transparent; }
.home-hero .button.ghost { color: #fff; background: transparent; }
.home-hero .button.ghost:hover { color: var(--ink); background: #fff; }

.section {
  width: min(1440px, 100%);
  margin: 0 auto;
  padding: clamp(86px, 10vw, 150px) clamp(22px, 7vw, 108px);
}
.section-rule { border-top: 1px solid var(--line); }
.split-heading {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(360px, 1fr);
  gap: clamp(48px, 9vw, 140px);
  align-items: end;
}
.split-heading .body-copy {
  padding-left: clamp(24px, 4vw, 50px);
  border-left: 1px solid var(--line);
}

.concept-signature {
  margin-top: 70px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.concept-signature article {
  min-height: 210px;
  padding: 34px;
  border-right: 1px solid var(--line);
}
.concept-signature article:last-child { border-right: 0; }
.concept-signature b {
  display: block;
  margin-bottom: 26px;
  color: var(--wine);
  font: 11px/1 var(--sans);
  letter-spacing: 0.18em;
}
.concept-signature h3 {
  margin: 0 0 15px;
  font-size: 21px;
  font-weight: 500;
}
.concept-signature p {
  margin: 0;
  color: var(--muted);
  font: 12px/1.95 var(--sans);
}

.stone-change {
  color: #fff;
  background: var(--wine-dark);
}
.stone-change-inner {
  width: min(1440px, 100%);
  margin: 0 auto;
  padding: clamp(86px, 10vw, 150px) clamp(22px, 7vw, 108px);
}
.stone-change .eyebrow { color: #d7b68f; }
.stone-change-intro {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(360px, 1fr);
  gap: clamp(48px, 9vw, 140px);
  align-items: start;
}
.stone-change-message {
  padding-left: clamp(24px, 4vw, 50px);
  border-left: 1px solid rgba(255, 255, 255, 0.22);
}
.stone-change-lead {
  margin: 0 0 30px;
  font-size: clamp(20px, 2.35vw, 32px);
  font-weight: 500;
  line-height: 1.75;
  letter-spacing: 0.04em;
}
.stone-change .body-copy { color: rgba(255, 255, 255, 0.7); }
.stone-change-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: clamp(52px, 7vw, 90px);
  border-top: 1px solid rgba(255, 255, 255, 0.22);
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
}
.stone-change-facts article {
  min-height: 132px;
  padding: 28px clamp(20px, 3vw, 38px);
  border-right: 1px solid rgba(255, 255, 255, 0.22);
}
.stone-change-facts article:last-child { border-right: 0; }
.stone-change-facts span {
  display: block;
  color: rgba(255, 255, 255, 0.58);
  font: 10px/1.5 var(--sans);
  letter-spacing: 0.12em;
}
.stone-change-facts strong {
  display: block;
  margin-top: 18px;
  font-size: clamp(17px, 1.8vw, 23px);
  font-weight: 500;
  line-height: 1.5;
}
.stone-change-note {
  max-width: 900px;
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.6);
  font: 11px/2 var(--sans);
}
.stone-change-caution {
  display: block;
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.78);
}
.stone-change-link {
  display: inline-block;
  margin-top: 24px;
  color: #fff;
}

.feature {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  min-height: 680px;
  background: var(--cream);
}
.feature-media { min-height: 560px; }
.feature-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.feature-copy {
  align-self: center;
  padding: clamp(50px, 7vw, 110px);
}
.feature-copy .body-copy { max-width: 520px; margin: 28px 0 34px; }
.feature-facts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin: 34px 0;
  background: var(--line);
  border: 1px solid var(--line);
}
.feature-facts div { padding: 20px; background: var(--cream); }
.feature-facts span {
  display: block;
  color: var(--muted);
  font: 10px/1.4 var(--sans);
  letter-spacing: 0.08em;
}
.feature-facts strong {
  display: block;
  margin-top: 8px;
  font-size: 19px;
  font-weight: 500;
}

.gem-preview {
  color: #fff;
  background: var(--wine-dark);
}
.gem-preview .section-title { max-width: 600px; }
.gem-preview .body-copy { max-width: 610px; color: rgba(255, 255, 255, 0.7); }
.gem-preview .eyebrow { color: #d7b68f; }
.home-gem-showcase {
  position: relative;
  margin: 74px 0 42px;
  padding: clamp(78px, 9vw, 118px) clamp(24px, 6vw, 82px) clamp(42px, 6vw, 72px);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.72);
  background:
    radial-gradient(circle at 18% 18%, rgba(202, 239, 247, 0.84), transparent 32%),
    radial-gradient(circle at 80% 18%, rgba(251, 222, 229, 0.8), transparent 34%),
    radial-gradient(circle at 70% 90%, rgba(221, 215, 249, 0.78), transparent 38%),
    rgba(255, 253, 252, 0.9);
  box-shadow: 0 26px 70px rgba(25, 9, 17, 0.2);
}
.home-gem-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(10, minmax(0, 1fr));
  gap: clamp(5px, 0.7vw, 9px);
  width: min(760px, 100%);
  margin: 0 auto;
}
.home-gem {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.88);
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.7);
  box-shadow: 0 9px 22px rgba(75, 65, 96, 0.09), inset 0 0 0 4px rgba(255, 255, 255, 0.22);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.home-gem:hover { transform: translateY(-3px); box-shadow: 0 14px 28px rgba(75, 65, 96, 0.18); }
.home-gem:focus-visible { outline: 2px solid var(--wine); outline-offset: 3px; }
.home-gem img {
  position: relative;
  left: var(--hero-gem-shift-x, 0%);
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 50%;
  transform: none;
  transform-origin: 50% 50%;
  mix-blend-mode: darken;
  filter: saturate(0.96) contrast(0.98) brightness(1.04);
}
.home-gem-count {
  position: absolute;
  z-index: 2;
  top: 20px;
  right: clamp(24px, 5vw, 68px);
  display: flex;
  align-items: baseline;
  gap: 8px;
  color: var(--wine-dark);
}
.home-gem-count strong { font-size: clamp(44px, 5vw, 72px); font-weight: 400; line-height: 0.9; }
.home-gem-count span { font: 11px/1 var(--sans); letter-spacing: 0.16em; text-transform: uppercase; }
.gem-editorial {
  position: relative;
  min-height: clamp(540px, 58vw, 760px);
  margin: 74px 0 42px;
  overflow: hidden;
  background: #17090e;
}
.gem-editorial::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(21, 7, 12, 0.18), transparent 42%),
    linear-gradient(0deg, rgba(18, 5, 10, 0.84), transparent 45%);
  pointer-events: none;
}
.gem-editorial > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}
.gem-editorial-mark {
  position: absolute;
  z-index: 2;
  top: clamp(26px, 4vw, 58px);
  right: clamp(26px, 5vw, 70px);
  display: flex;
  align-items: flex-end;
  gap: 12px;
  color: rgba(255, 255, 255, 0.92);
}
.gem-editorial-mark span {
  font-size: clamp(68px, 9vw, 126px);
  font-weight: 400;
  line-height: 0.8;
  letter-spacing: -0.05em;
}
.gem-editorial-mark small {
  padding-bottom: 4px;
  color: #d7b68f;
  font: 11px/1 var(--sans);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.gem-editorial-links {
  position: absolute;
  z-index: 3;
  right: 0;
  bottom: 0;
  left: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(22, 7, 12, 0.48);
  backdrop-filter: blur(12px);
}
.gem-editorial-links a {
  display: grid;
  gap: 9px;
  min-height: 106px;
  padding: 24px clamp(18px, 3vw, 38px);
  border-right: 1px solid rgba(255, 255, 255, 0.2);
  text-decoration: none;
  transition: background 0.25s ease;
}
.gem-editorial-links a:last-child { border-right: 0; }
.gem-editorial-links a:hover,
.gem-editorial-links a:focus-visible { background: rgba(255, 255, 255, 0.1); }
.gem-editorial-links small {
  color: #d7b68f;
  font: 9px/1.4 var(--sans);
  letter-spacing: 0.13em;
}
.gem-editorial-links strong {
  font-size: clamp(15px, 1.7vw, 20px);
  font-weight: 500;
}
.gem-preview-actions {
  display: flex;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 12px;
}
.gem-preview .button { border-color: #fff; color: var(--wine-dark); background: #fff; }
.gem-preview .button:hover { color: #fff; background: transparent; }

.lineup-grid {
  margin-top: 70px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr 0.9fr;
  border-top: 1px solid var(--line);
}
.lineup-card {
  min-height: 360px;
  padding: clamp(30px, 4vw, 52px);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.lineup-card:last-child { border-right: 0; }
.lineup-card b {
  color: var(--wine);
  font: 10px/1 var(--sans);
  letter-spacing: 0.18em;
}
.lineup-card h3 {
  margin: auto 0 16px;
  font-size: clamp(27px, 3vw, 40px);
  font-weight: 500;
}
.lineup-card p {
  margin: 0;
  color: var(--muted);
  font: 12px/1.95 var(--sans);
}
.lineup-card.primary {
  color: #fff;
  background: var(--wine);
}
.lineup-card.primary b,
.lineup-card.primary p { color: rgba(255, 255, 255, 0.75); }

.making {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  background: #e9e1d6;
}
.making-copy {
  padding: clamp(64px, 8vw, 126px) clamp(32px, 7vw, 104px);
  align-self: center;
}
.making-copy .body-copy { margin-top: 28px; }
.making-copy .spec-table { margin: 8px 0 34px; }
.making-copy .spec-table div { grid-template-columns: 76px 1fr; gap: 18px; padding: 18px 0; }
.making-media { min-height: 620px; }
.making-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.process-grid {
  margin-top: 70px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.process-grid article {
  min-height: 270px;
  padding: 30px;
  border-right: 1px solid var(--line);
}
.process-grid article:last-child { border-right: 0; }
.process-grid article:nth-child(4) { border-right: 0; }
.process-grid article:nth-child(-n+4) { border-bottom: 1px solid var(--line); }
.step-no {
  color: var(--wine);
  font: 11px/1 var(--sans);
  letter-spacing: 0.16em;
}
.process-grid h3 {
  margin: 62px 0 16px;
  font-size: 21px;
  font-weight: 500;
}
.process-grid p {
  margin: 0;
  color: var(--muted);
  font: 12px/1.95 var(--sans);
}

.specs {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: clamp(50px, 9vw, 130px);
}
.spec-table { margin: 0; border-top: 1px solid var(--line); }
.spec-table div {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.spec-table dt {
  color: var(--muted);
  font: 11px/1.8 var(--sans);
}
.spec-table dd {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
}
.small-note {
  color: var(--muted);
  font: 11px/1.9 var(--sans);
}

.faq-groups {
  display: grid;
  gap: clamp(42px, 6vw, 72px);
  margin-top: 60px;
}
.faq-group h3 {
  margin: 0;
  color: var(--wine);
  font: 600 12px/1.6 var(--sans);
  letter-spacing: 0.12em;
}
.faq-list {
  margin-top: 16px;
  border-top: 1px solid var(--line);
}
.faq-list details:first-child summary { padding-top: 22px; }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary {
  position: relative;
  padding: 26px 52px 26px 0;
  cursor: pointer;
  font-size: 16px;
  line-height: 1.7;
  list-style: none;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 24px;
  font: 24px/1 var(--sans);
}
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p {
  max-width: 820px;
  margin: -4px 0 26px;
  color: var(--muted);
  font: 13px/2 var(--sans);
}

.voice-section {
  background:
    radial-gradient(circle at 86% 12%, rgba(173, 130, 88, 0.12), transparent 30%),
    var(--cream);
}
.voice-section .section-intro {
  max-width: 560px;
  margin: 28px 0 0;
  color: var(--muted);
  font: 14px/2 var(--sans);
}
.voice-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 58px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.voice-card {
  min-height: 540px;
  padding: clamp(34px, 4.5vw, 64px);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
}
.voice-card:last-child { border-right: 0; }
.voice-label {
  margin: 0;
  color: var(--wine);
  font: 600 11px/1.5 var(--sans);
  letter-spacing: 0.13em;
}
.voice-card h3 {
  margin: 34px 0 22px;
  font-size: clamp(25px, 2.6vw, 34px);
  font-weight: 500;
}
.voice-copy {
  color: var(--muted);
  font: 13px/2 var(--sans);
}
.voice-copy p { margin: 0 0 12px; }
.voice-benefit {
  margin: 26px 0 34px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.voice-benefit span,
.voice-benefit small {
  display: block;
  color: var(--muted);
  font: 10px/1.8 var(--sans);
  letter-spacing: 0.08em;
}
.voice-benefit strong {
  display: block;
  margin: 7px 0;
  color: var(--wine-dark);
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 500;
  line-height: 1.6;
}
.voice-benefit small { letter-spacing: 0; }
.voice-button {
  min-width: min(100%, 260px);
  margin-top: auto;
  align-self: flex-start;
  text-align: center;
}

.closing {
  position: relative;
  min-height: 650px;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: #fff;
}
.closing img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.closing::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(32, 20, 16, 0.85), rgba(32, 20, 16, 0.08) 78%);
}
.closing-inner {
  position: relative;
  z-index: 1;
  width: min(1440px, 100%);
  margin: 0 auto;
  padding: 80px clamp(22px, 7vw, 108px);
}
.closing h2 {
  max-width: 850px;
  margin: 0;
  font-size: clamp(38px, 5vw, 66px);
  font-weight: 500;
  line-height: 1.45;
}
.closing .hero-actions { margin-top: 30px; }
.closing .button { border-color: #fff; color: var(--ink); background: #fff; }
.closing .button.ghost { color: #fff; background: transparent; }

.page-hero {
  width: min(1440px, 100%);
  margin: 0 auto;
  padding: clamp(95px, 12vw, 165px) clamp(22px, 7vw, 108px) 75px;
  border-bottom: 1px solid var(--line);
}
.page-hero h1 {
  margin: 0;
  font-size: clamp(42px, 6vw, 78px);
  font-weight: 500;
  line-height: 1.28;
}
.page-hero p:last-child {
  max-width: 650px;
  margin: 30px 0 0;
  color: var(--muted);
  font: 14px/2.1 var(--sans);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.contact-card {
  min-height: 310px;
  padding: 38px;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
}
.contact-card:last-child { border-right: 0; }
.contact-card h2 { margin: 56px 0 16px; font-size: 25px; font-weight: 500; }
.contact-card p { margin: 0 0 24px; color: var(--muted); font: 12px/1.9 var(--sans); }
.contact-card .text-link { margin-top: auto; align-self: flex-start; }
.contact-social-links {
  margin-top: auto;
  display: grid;
  gap: 11px;
}
.contact-social-links .text-link { margin-top: 0; }

.story-hero {
  min-height: 560px;
  display: flex;
  flex-direction: column;
  justify-content: end;
}
.story-hero h1 { max-width: 980px; }
.story-section {
  width: min(1180px, calc(100% - 44px));
  margin: 0 auto;
  padding: clamp(88px, 10vw, 145px) clamp(10px, 4vw, 58px);
  display: grid;
  grid-template-columns: 170px minmax(0, 760px);
  gap: clamp(38px, 7vw, 96px);
  justify-content: center;
  border-bottom: 1px solid var(--line);
}
.story-number {
  padding-top: 9px;
  color: var(--wine);
  font: 600 10px/1.5 var(--sans);
  letter-spacing: 0.2em;
}
.story-copy {
  color: rgba(36, 31, 27, 0.78);
  font: 14px/2.2 var(--sans);
}
.story-copy p { margin: 0 0 1.6em; }
.story-copy p:last-child { margin-bottom: 0; }
.story-lead {
  color: var(--ink);
  font: 500 clamp(23px, 3vw, 34px)/1.8 var(--serif);
  letter-spacing: 0.035em;
}
.story-quote {
  margin: clamp(48px, 6vw, 76px) 0 0;
  padding: 30px 0 30px clamp(24px, 4vw, 50px);
  border-left: 1px solid var(--wine);
  color: var(--wine-dark);
  font: 500 clamp(20px, 2.6vw, 29px)/1.9 var(--serif);
}
.story-image {
  width: min(1180px, calc(100% - 44px));
  height: clamp(320px, 45vw, 560px);
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.68);
  box-shadow: 0 26px 70px rgba(61, 55, 83, 0.12);
}
.story-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 54%;
}
.story-section-accent {
  margin-top: clamp(28px, 5vw, 70px);
  margin-bottom: clamp(28px, 5vw, 70px);
  padding-right: clamp(28px, 6vw, 80px);
  padding-left: clamp(28px, 6vw, 80px);
  border: 1px solid rgba(255, 255, 255, 0.72);
  background: rgba(255, 255, 255, 0.28);
  box-shadow: 0 24px 70px rgba(69, 58, 91, 0.08);
  backdrop-filter: blur(10px);
}
.designer-profile {
  width: min(1040px, calc(100% - 44px));
  margin: clamp(35px, 6vw, 80px) auto clamp(90px, 11vw, 155px);
  padding: clamp(34px, 5vw, 64px);
  display: grid;
  grid-template-columns: minmax(190px, 0.65fr) minmax(320px, 1.35fr);
  gap: clamp(36px, 8vw, 100px);
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.72);
  background: rgba(250, 249, 252, 0.38);
  box-shadow: 0 24px 70px rgba(69, 58, 91, 0.08);
  backdrop-filter: blur(10px);
}
.designer-profile h2 {
  margin: 0;
  font-size: clamp(38px, 5vw, 62px);
  font-weight: 500;
}
.designer-profile > p {
  margin: 0;
  color: var(--muted);
  font: 14px/2.15 var(--sans);
}
.story-closing { margin-top: 0; }
.concept-story-link { margin-top: 14px; }

.gem-detail {
  width: min(1340px, 100%);
  margin: 0 auto;
  padding: clamp(64px, 8vw, 110px) clamp(20px, 5vw, 74px);
}
.gem-detail-grid {
  display: grid;
  grid-template-columns: minmax(390px, 0.95fr) minmax(390px, 1.05fr);
  gap: clamp(52px, 8vw, 120px);
  align-items: start;
}
.gem-detail-photo {
  position: sticky;
  top: 100px;
  aspect-ratio: 1 / 1.1;
  overflow: hidden;
  background: #f3efe9;
}
.gem-detail-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(var(--gem-scale, 2.3));
  transform-origin: 50% 49%;
  mix-blend-mode: darken;
}
.gem-code {
  color: var(--wine);
  font: 600 10px/1 var(--sans);
  letter-spacing: 0.18em;
}
.gem-detail h1 {
  margin: 18px 0 12px;
  font-size: clamp(38px, 5vw, 62px);
  font-weight: 500;
  line-height: 1.35;
}
.gem-meaning {
  margin: 0 0 36px;
  color: var(--muted);
  font: 14px/1.8 var(--sans);
}
.gem-message {
  margin: 36px 0;
  padding: 26px;
  border-left: 2px solid var(--wine);
  background: var(--cream);
  font-size: 18px;
  line-height: 1.9;
}
.gem-specs { margin: 0; border-top: 1px solid var(--line); }
.gem-specs div {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 22px;
  padding: 17px 0;
  border-bottom: 1px solid var(--line);
}
.gem-specs dt { color: var(--muted); font: 11px/1.7 var(--sans); }
.gem-specs dd { margin: 0; line-height: 1.7; }
.gem-detail-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 36px; }

.site-footer {
  padding: 62px clamp(22px, 6vw, 90px) 36px;
  color: var(--muted);
  background: var(--cream);
}
.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid var(--line);
}
.footer-wordmark {
  width: 94px;
  height: 56px;
}
.footer-wordmark img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.footer-copy { margin-top: 18px; font: 12px/1.9 var(--sans); }
.footer-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(120px, 1fr));
  gap: 14px 34px;
  font: 12px/1.6 var(--sans);
}
.footer-nav a { text-decoration: none; }
.footer-social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}
.footer-social-links a { text-decoration: none; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding-top: 30px;
  font: 10px/1.7 var(--sans);
}

@media (max-width: 960px) {
  .split-heading,
  .stone-change-intro,
  .specs { grid-template-columns: 1fr; }
  .story-section { grid-template-columns: 1fr; gap: 28px; }
  .designer-profile { grid-template-columns: 1fr; gap: 26px; }
  .split-heading .body-copy { padding: 26px 0 0; border-left: 0; border-top: 1px solid var(--line); }
  .stone-change-message {
    padding: 30px 0 0;
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.22);
  }
  .concept-signature { grid-template-columns: 1fr; }
  .concept-signature article { border-right: 0; border-bottom: 1px solid var(--line); }
  .concept-signature article:last-child { border-bottom: 0; }
  .feature, .making { grid-template-columns: 1fr; }
  .feature-media { order: 0; }
  .feature-copy { order: 1; }
  .lineup-grid { grid-template-columns: 1fr; }
  .lineup-card { border-right: 0; border-bottom: 1px solid var(--line); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid article:nth-child(2) { border-right: 0; }
  .process-grid article:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-card { border-right: 0; border-bottom: 1px solid var(--line); }
  .voice-grid { grid-template-columns: 1fr; }
  .voice-card { min-height: 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .voice-card:last-child { border-bottom: 0; }
  .gem-detail-grid { grid-template-columns: 1fr; }
  .gem-detail-photo { position: relative; top: auto; }
}

@media (max-width: 760px) {
  .site-header { height: 62px; }
  .wordmark {
    width: 120px;
    height: 52px;
  }
  .menu-toggle { display: grid; place-items: center; }
  .main-nav {
    position: fixed;
    inset: 62px 0 auto;
    min-height: calc(100svh - 62px);
    padding: 46px 26px;
    display: none;
    align-items: stretch;
    flex-direction: column;
    gap: 8px;
    background: var(--paper);
    font-size: 16px;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 18px 0; border-bottom-color: var(--line); }
  .nav-contact { margin-top: 18px; text-align: center; }
  .home-hero { min-height: 760px; }
  .home-hero::after {
    background: linear-gradient(0deg, rgba(29, 17, 15, 0.84) 0%, rgba(29, 17, 15, 0.18) 78%);
  }
  .home-hero img { object-position: 50% 48%; }
  .hero-inner { padding: 390px 24px 58px; }
  .display { font-size: clamp(44px, 13vw, 62px); }
  .hero-lead { font-size: 13px; }
  .section { padding: 82px 20px; }
  .home-gem-showcase { margin: 52px 0 34px; padding: 82px 16px 28px; }
  .home-gem-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 7px; }
  .home-gem-count { top: 22px; right: 20px; }
  .story-hero { min-height: 480px; }
  .story-section {
    width: calc(100% - 30px);
    padding: 76px 10px;
  }
  .story-image {
    width: calc(100% - 30px);
    height: 390px;
  }
  .story-section-accent {
    width: calc(100% - 30px);
    padding-right: 24px;
    padding-left: 24px;
  }
  .designer-profile {
    width: calc(100% - 30px);
    padding: 34px 24px;
  }
  .stone-change-inner { padding: 82px 20px; }
  .stone-change-facts { grid-template-columns: 1fr; }
  .stone-change-facts article {
    min-height: 0;
    padding: 24px 2px;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.22);
  }
  .stone-change-facts article:last-child { border-bottom: 0; }
  .concept-signature { margin-top: 48px; }
  .concept-signature article { min-height: 0; padding: 28px 4px; }
  .feature { min-height: 0; }
  .feature-media { min-height: 430px; }
  .feature-copy { padding: 64px 22px; }
  .gem-editorial {
    min-height: 620px;
    margin: 52px 0 34px;
  }
  .gem-editorial > img { object-position: 48% center; }
  .gem-editorial-mark { top: 28px; right: 24px; }
  .gem-editorial-mark span { font-size: 74px; }
  .gem-editorial-links { grid-template-columns: 1fr; }
  .gem-editorial-links a {
    min-height: 0;
    padding: 15px 20px;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  }
  .gem-editorial-links a:last-child { border-bottom: 0; }
  .gem-editorial-links strong { font-size: 16px; }
  .gem-preview-actions .button { width: 100%; text-align: center; }
  .lineup-grid { margin-top: 48px; }
  .lineup-card { min-height: 290px; padding: 30px 2px; }
  .making-media { min-height: 460px; }
  .process-grid { grid-template-columns: 1fr; }
  .process-grid article {
    min-height: 0;
    padding: 30px 2px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .process-grid article:last-child { border-bottom: 0; }
  .process-grid h3 { margin-top: 42px; }
  .spec-table div { grid-template-columns: 95px 1fr; }
  .voice-grid { margin-top: 42px; }
  .voice-card { padding: 36px 2px; }
  .voice-card h3 { margin-top: 26px; }
  .voice-button { width: 100%; }
  .closing { min-height: 570px; }
  .footer-top, .footer-bottom { flex-direction: column; }
  .footer-nav { margin-top: 10px; }
  .contact-card { min-height: 260px; padding: 30px 2px; }
  .gem-detail { padding-top: 36px; }
  .gem-detail-grid { gap: 42px; }
  .gem-detail-photo { aspect-ratio: 1; }
  .gem-detail h1 { font-size: 38px; }
}

/* Fantasy light — AXB's rainbow world, grounded by the jewelry itself */
:root {
  --paper: #f5f8fa;
  --cream: #eeedf5;
  --line: rgba(49, 42, 59, 0.16);
}
body {
  background-color: #dcecf3;
  background-image:
    linear-gradient(rgba(244, 248, 249, 0.4), rgba(249, 244, 247, 0.38)),
    url("./brand/rainbow-background.webp");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}
.site-header {
  background: linear-gradient(90deg, rgba(224, 242, 249, 0.72), rgba(252, 241, 247, 0.62) 48%, rgba(238, 235, 252, 0.68));
  border-bottom-color: rgba(255, 255, 255, 0.72);
  box-shadow: 0 10px 34px rgba(65, 66, 94, 0.09);
  backdrop-filter: blur(22px) saturate(1.4);
}
.site-header::after {
  content: "";
  position: absolute;
  right: clamp(22px, 5vw, 76px);
  bottom: -1px;
  left: clamp(22px, 5vw, 76px);
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(119, 221, 240, 0.72), rgba(244, 184, 211, 0.72), rgba(190, 167, 239, 0.72), transparent);
  pointer-events: none;
}
.main-nav {
  gap: clamp(2px, 0.7vw, 10px);
  padding: 5px;
  border: 1px solid rgba(255, 255, 255, 0.66);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.2);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.64), 0 8px 24px rgba(80, 72, 111, 0.07);
  font-size: 11px;
}
.main-nav a {
  padding: 10px 12px;
  border-bottom: 0;
  border-radius: 999px;
  transition: background 0.2s ease, box-shadow 0.2s ease, color 0.2s ease;
}
.main-nav a:hover,
.main-nav a:focus-visible {
  border-bottom-color: transparent;
  background: rgba(255, 255, 255, 0.5);
  box-shadow: 0 3px 14px rgba(94, 75, 123, 0.1);
}
.nav-contact {
  padding: 10px 17px !important;
  border: 0 !important;
  border-radius: 999px;
  background: linear-gradient(135deg, #4a2130, #76516f);
  box-shadow: 0 6px 18px rgba(73, 31, 49, 0.18);
}
.menu-toggle {
  border-color: rgba(255, 255, 255, 0.72);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.28);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}
main#main,
main.gem-detail,
body > main { background: transparent; }
main#main > .section,
body > main > .section,
.page-hero,
.gem-detail {
  background: rgba(252, 252, 253, 0.24);
  box-shadow: none;
  backdrop-filter: blur(5px);
}
.feature {
  background: rgba(247, 246, 251, 0.24);
  backdrop-filter: blur(5px);
}
.feature-copy { background: rgba(249, 249, 252, 0.34); }
.feature-facts div { background: rgba(248, 247, 251, 0.6); }
.making {
  background: rgba(238, 245, 249, 0.24);
  backdrop-filter: blur(5px);
}
.making-copy { background: rgba(247, 250, 252, 0.32); }
.stone-change,
.gem-preview {
  background-image:
    linear-gradient(rgba(50, 21, 28, 0.72), rgba(49, 18, 29, 0.76)),
    url("./brand/rainbow-background.webp");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}
.voice-section {
  background: rgba(250, 247, 252, 0.24);
  backdrop-filter: blur(5px);
}
.contact-card { background: rgba(255, 255, 255, 0.18); }
.gem-detail-info,
.gem-detail-copy { background: rgba(255, 255, 255, 0.1); }
.gem-detail-copy {
  padding: clamp(8px, 1vw, 16px);
  border-radius: 2px;
}
.gem-detail .gem-message {
  border-left-color: rgba(104, 36, 56, 0.82);
  background: rgba(255, 255, 255, 0.42);
  backdrop-filter: blur(9px);
}
.gem-detail-reading {
  margin-top: clamp(86px, 11vw, 150px);
  border: 1px solid rgba(255, 255, 255, 0.72);
  background: rgba(250, 249, 252, 0.48);
  box-shadow: 0 30px 90px rgba(67, 65, 99, 0.1);
  backdrop-filter: blur(12px);
}
.gem-reading-header {
  display: grid;
  grid-template-columns: minmax(240px, 0.75fr) minmax(420px, 1.25fr);
  gap: 28px 70px;
  align-items: end;
  padding: clamp(42px, 7vw, 88px);
  border-bottom: 1px solid rgba(105, 94, 103, 0.18);
}
.gem-reading-header .eyebrow { grid-column: 1 / -1; margin: 0; }
.gem-reading-header h2 {
  margin: 0;
  font-size: clamp(34px, 4.7vw, 62px);
  font-weight: 500;
  line-height: 1.38;
}
.gem-reading-header > p:last-child {
  margin: 0 0 6px;
  color: rgba(36, 31, 27, 0.68);
  font: 13px/2.15 var(--sans);
}
.gem-reading-article {
  display: grid;
  grid-template-columns: 76px minmax(190px, 0.62fr) minmax(380px, 1.38fr);
  gap: clamp(24px, 4vw, 62px);
  align-items: start;
  padding: clamp(42px, 6vw, 72px) clamp(30px, 7vw, 88px);
  border-bottom: 1px solid rgba(105, 94, 103, 0.18);
}
.gem-reading-article:last-child { border-bottom: 0; }
.gem-reading-article-featured {
  background:
    linear-gradient(110deg, rgba(255, 248, 250, 0.78), rgba(245, 248, 255, 0.6)),
    url("./brand/rainbow-background.webp") center / cover;
  background-blend-mode: soft-light;
}
.gem-reading-number {
  padding-top: 6px;
  color: var(--wine);
  font: 600 10px/1 var(--sans);
  letter-spacing: 0.2em;
}
.gem-reading-article h3 {
  margin: 0;
  font-size: clamp(23px, 2.4vw, 32px);
  font-weight: 500;
  line-height: 1.65;
}
.gem-reading-body {
  color: rgba(36, 31, 27, 0.82);
  font-size: 15px;
  line-height: 2.25;
}
.gem-reading-body p { margin: 0; }
.gem-reading-body p + p { margin-top: 1.35em; }
.site-footer {
  background: rgba(239, 242, 249, 0.56);
  border-top-color: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(8px);
}
#coupling-title,
#making { scroll-margin-top: 88px; }
.home-hero {
  color: var(--ink);
  background: rgba(252, 252, 253, 0.24);
  backdrop-filter: blur(5px);
}
.home-hero::after {
  background: linear-gradient(90deg, rgba(244, 248, 249, 0.62) 0%, rgba(244, 248, 249, 0.42) 34%, rgba(244, 248, 249, 0.12) 62%, transparent 100%);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 66%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 0%, #000 66%, transparent 100%);
}
.hero-product-card {
  position: absolute;
  z-index: 1;
  top: clamp(42px, 6vh, 72px);
  right: clamp(28px, 6.5vw, 104px);
  bottom: clamp(42px, 6vh, 72px);
  width: min(38vw, 560px);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.82);
  background: var(--wine-dark);
  box-shadow: 0 30px 90px rgba(64, 62, 92, 0.2);
}
.home-hero .hero-product-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 48%;
}
.hero-product-card::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 32%;
  background: linear-gradient(0deg, rgba(28, 13, 18, 0.76), transparent);
}
.hero-product-label {
  position: absolute;
  z-index: 1;
  left: 26px;
  right: 26px;
  bottom: 24px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  color: #fff;
  font-family: var(--sans);
}
.hero-product-label b {
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.hero-product-label small {
  color: rgba(255, 255, 255, 0.72);
  font-size: 9px;
  letter-spacing: 0.12em;
}
.hero-inner {
  padding-right: max(52vw, 610px);
}
.home-hero .eyebrow { color: var(--wine); }
.home-hero .hero-lead { color: rgba(36, 31, 27, 0.76); }
.home-hero .button {
  color: #fff;
  border-color: var(--wine-dark);
  background: var(--wine-dark);
}
.home-hero .button:hover,
.home-hero .button:focus-visible {
  color: var(--wine-dark);
  background: transparent;
}
.home-hero .button.ghost {
  color: var(--wine-dark);
  border-color: rgba(50, 21, 28, 0.55);
  background: rgba(255, 255, 255, 0.2);
}
.home-hero .button.ghost:hover,
.home-hero .button.ghost:focus-visible {
  color: #fff;
  background: var(--wine-dark);
}
@media (max-width: 980px) {
  .hero-inner { padding-right: 49vw; }
  .hero-product-card { width: 40vw; right: 30px; }
}
@media (max-width: 760px) {
  #coupling-title,
  #making { scroll-margin-top: 74px; }
  body { background-attachment: scroll; }
  .main-nav {
    border: 0;
    border-radius: 0;
    background:
      linear-gradient(rgba(244, 248, 250, 0.88), rgba(250, 243, 249, 0.9)),
      url("./brand/rainbow-background.webp") center / cover;
    box-shadow: none;
    backdrop-filter: blur(22px) saturate(1.25);
  }
  .main-nav a { padding: 18px 2px; border-radius: 0; }
  .main-nav .nav-contact { padding: 14px 18px !important; border-radius: 999px; }
  .stone-change,
  .gem-preview { background-attachment: scroll; }
  .home-hero {
    min-height: 910px;
    align-items: start;
  }
  .home-hero::after {
    background: linear-gradient(180deg, rgba(244, 248, 249, 0.74) 0%, rgba(244, 248, 249, 0.56) 42%, rgba(244, 248, 249, 0.1) 72%, transparent 100%);
    -webkit-mask-image: none;
    mask-image: none;
  }
  .hero-inner { padding: 72px 24px 430px; }
  .hero-product-card {
    top: auto;
    left: 16px;
    right: 16px;
    bottom: 18px;
    width: auto;
    height: 360px;
  }
  .hero-product-label { left: 18px; right: 18px; bottom: 18px; }
  .gem-detail-copy { padding: 0; }
  .gem-detail-reading { margin-top: 70px; }
  .gem-reading-header {
    grid-template-columns: 1fr;
    gap: 22px;
    padding: 38px 24px 42px;
  }
  .gem-reading-header .eyebrow { grid-column: auto; }
  .gem-reading-header h2 { font-size: 34px; }
  .gem-reading-header > p:last-child br { display: none; }
  .gem-reading-article {
    grid-template-columns: 42px 1fr;
    gap: 18px 12px;
    padding: 38px 24px 44px;
  }
  .gem-reading-article h3 { font-size: 24px; }
  .gem-reading-body { grid-column: 1 / -1; font-size: 14px; line-height: 2.1; }
}

/* Gemstone detail — fixed two-by-two reading layout */
.gem-detail-page { overflow-x: hidden; }
.gem-detail-page .gem-detail {
  width: 100%;
  margin: 0;
  padding: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
}
.gem-detail-fixed {
  display: grid;
  grid-template-rows: minmax(340px, 52vh) auto;
  min-width: 0;
  background: rgba(248, 249, 252, 0.52);
}
.gem-detail-page .gem-detail-photo {
  position: relative;
  top: auto;
  min-height: 340px;
  aspect-ratio: auto;
  overflow: hidden;
  background: #f6f6f5;
}
.gem-detail-page .gem-detail-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 48%;
  transform: scale(1.15);
  transform-origin: 50% 48%;
}
.gem-detail-page .gem-reading-header {
  display: block;
  padding: clamp(38px, 5vw, 70px);
  border: 0;
  border-top: 1px solid rgba(105, 94, 103, 0.16);
  background: rgba(255, 255, 255, 0.36);
}
.gem-detail-page .gem-reading-header .eyebrow {
  margin: 0 0 22px;
  color: var(--wine);
}
.gem-detail-page .gem-reading-header .eyebrow a {
  color: inherit;
  text-decoration: none;
}
.gem-detail-page .gem-reading-header h1 {
  margin: 0;
  font-size: clamp(34px, 4.4vw, 62px);
  font-weight: 500;
  line-height: 1.4;
}
.gem-detail-page .gem-reading-header > p:last-child {
  margin: 24px 0 0;
  color: rgba(36, 31, 27, 0.68);
  font: 13px/2.15 var(--sans);
}
.gem-detail-page .gem-detail-reading {
  min-width: 0;
  margin: 0;
  border: 0;
  background: rgba(252, 252, 253, 0.34);
  box-shadow: none;
  backdrop-filter: none;
}
.gem-detail-page .gem-reading-article {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: clamp(26px, 3.2vw, 38px);
  padding: clamp(52px, 5.4vw, 76px) clamp(44px, 7vw, 96px);
  border-bottom: 1px solid rgba(105, 94, 103, 0.16);
  background: rgba(252, 252, 253, 0.44);
}
.gem-detail-page .gem-reading-article-featured {
  background:
    linear-gradient(120deg, rgba(255, 248, 250, 0.76), rgba(244, 249, 255, 0.68)),
    url("./brand/rainbow-background.webp") center / cover;
  background-blend-mode: soft-light;
}
.gem-reading-title {
  display: flex;
  gap: clamp(22px, 3vw, 42px);
  align-items: baseline;
}
.gem-detail-page .gem-reading-number {
  flex: 0 0 auto;
  padding: 0;
  color: var(--wine);
  font: 600 10px/1 var(--sans);
  letter-spacing: 0.2em;
}
.gem-detail-page .gem-reading-article h2 {
  margin: 0;
  font-size: clamp(28px, 3.2vw, 46px);
  font-weight: 500;
  line-height: 1.5;
}
.gem-detail-page .gem-reading-body {
  max-width: 650px;
  color: rgba(36, 31, 27, 0.82);
  font-size: clamp(14px, 1.1vw, 16px);
  line-height: 2.35;
}
.gem-detail-page .gem-reading-body p { margin: 0; }
.gem-detail-page .gem-reading-body p + p { margin-top: 1.45em; }
.gem-detail-footer {
  padding: 46px clamp(28px, 6vw, 78px) 34px;
}

@media (min-width: 761px) {
  body.gem-detail-page { overflow: hidden; }
  .gem-detail-page .gem-detail {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    height: calc(100vh - 72px);
  }
  .gem-detail-fixed {
    grid-template-rows: 1fr 1fr;
    height: 100%;
    min-height: 0;
    border-right: 1px solid rgba(105, 94, 103, 0.16);
  }
  .gem-detail-page .gem-detail-photo { min-height: 0; }
  .gem-detail-page .gem-reading-header {
    min-height: 0;
    overflow: hidden;
  }
  .gem-detail-page .gem-detail-reading {
    height: 100%;
    overflow-y: auto;
    overscroll-behavior: contain;
    scroll-snap-type: none;
    scrollbar-color: rgba(104, 36, 56, 0.32) transparent;
  }
  .gem-detail-page .gem-reading-article {
    min-height: 0;
    scroll-snap-align: none;
  }
}

@media (min-width: 761px) and (max-width: 1100px) {
  .gem-detail-page .gem-reading-header { padding: 26px 36px 28px; }
  .gem-detail-page .gem-reading-header .eyebrow { margin-bottom: 14px; }
  .gem-detail-page .gem-reading-header h1 {
    font-size: 32px;
    line-height: 1.42;
  }
  .gem-detail-page .gem-reading-header > p:last-child {
    margin-top: 14px;
    font-size: 12px;
    line-height: 1.9;
  }
  .gem-detail-page .gem-reading-header > p:last-child br { display: none; }
}

@media (max-width: 760px) {
  .gem-detail-fixed { grid-template-rows: clamp(300px, 48vh, 430px) auto; }
  .gem-detail-page .gem-detail-photo { min-height: 0; }
  .gem-detail-page .gem-reading-header h1 { font-size: clamp(34px, 7vw, 52px); }
  .gem-detail-page .gem-reading-article { min-height: 0; }
  .gem-detail-page .gem-reading-header { padding: 34px 24px 40px; }
  .gem-detail-page .gem-reading-header > p:last-child br { display: none; }
  .gem-detail-page .gem-reading-article {
    gap: 26px;
    padding: 52px 24px 58px;
  }
  .gem-detail-page .gem-reading-article h2 { font-size: 28px; }
  .gem-detail-page .gem-reading-body { font-size: 14px; line-height: 2.2; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}

/* Typography: keep the brand voice consistent and make small copy easier to read. */
body,
body *,
button,
input,
textarea,
select {
  font-family: var(--serif) !important;
}

.main-nav,
.button,
.text-link {
  font-size: 13px;
}

.eyebrow,
.concept-signature span,
.stone-change-facts span,
.feature-facts span,
.gem-editorial-links small,
.lineup-card b,
.step-no,
.story-number,
.gem-code,
.gem-reading-number,
.hero-product-label b,
.hero-product-label small {
  font-size: 12px;
}

.concept-signature p,
.stone-change-note,
.lineup-card p,
.process-grid p,
.spec-table dt,
.small-note,
.faq-group h3,
.voice-label,
.voice-benefit small,
.contact-card p,
.gem-specs dt,
.footer-copy,
.footer-nav,
.footer-bottom,
.gem-reading-header > p:last-child,
.gem-detail-page .gem-reading-header > p:last-child {
  font-size: 14px;
}