:root {
  --ink: #11131a;
  --ink-soft: #1a1d27;
  --ivory: #f7f4ed;
  --paper: #fffdf9;
  --white: #ffffff;
  --gold: #b69355;
  --gold-light: #d7bd8b;
  --burgundy: #5a2434;
  --burgundy-light: #7c3b4f;
  --muted: #6f706f;
  --line: rgba(17, 19, 26, 0.14);
  --line-light: rgba(255, 255, 255, 0.16);
  --serif: "Cormorant Garamond", Georgia, serif;
  --sans: "Manrope", system-ui, sans-serif;
  --shell: min(1180px, calc(100vw - 48px));
  --radius: 3px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 118px;
}

body {
  margin: 0;
  background: var(--ivory);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

button,
input,
select,
textarea {
  font: inherit;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--gold-light);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 8px;
  left: 8px;
  padding: 10px 14px;
  background: var(--white);
  color: var(--ink);
  transform: translateY(-160%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.announcement {
  min-height: 34px;
  padding: 8px 24px;
  background: var(--burgundy);
  color: rgba(255, 255, 255, 0.86);
  display: grid;
  place-items: center;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-align: center;
  text-transform: uppercase;
}

.announcement p {
  margin: 0;
}

.announcement span {
  margin: 0 9px;
  color: var(--gold-light);
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  height: 84px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.11);
  background: rgba(17, 19, 26, 0.97);
  color: var(--white);
  backdrop-filter: blur(16px);
  transition: box-shadow 180ms ease;
}

.site-header.is-scrolled {
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.16);
}

.nav-shell {
  width: var(--shell);
  height: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
}

.brand {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
  text-decoration: none;
}

.brand-mark {
  color: var(--gold-light);
  font-family: var(--serif);
  font-size: 2.25rem;
  line-height: 1;
}

.brand-copy {
  display: grid;
  gap: 1px;
}

.brand-copy strong {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.015em;
  line-height: 1;
}

.brand-copy small {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.52rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 27px;
}

.primary-nav a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color 180ms ease;
}

.primary-nav a:hover {
  color: var(--white);
}

.primary-nav .nav-appointment {
  min-height: 42px;
  padding: 0 17px;
  border: 1px solid rgba(215, 189, 139, 0.62);
  color: var(--gold-light);
  display: inline-flex;
  align-items: center;
}

.primary-nav .nav-appointment:hover {
  background: var(--gold);
  color: var(--ink);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: transparent;
  color: var(--white);
}

.nav-toggle > span:not(.sr-only) {
  display: block;
  width: 100%;
  height: 1px;
  margin: 5px 0;
  background: currentColor;
  transition: opacity 180ms ease, transform 180ms ease;
}

.hero {
  overflow: hidden;
  background:
    radial-gradient(circle at 76% 38%, rgba(90, 36, 52, 0.34), transparent 30%),
    linear-gradient(118deg, var(--ink) 0%, var(--ink-soft) 65%, #24202a 100%);
  color: var(--white);
}

.hero-shell {
  width: var(--shell);
  min-height: 660px;
  margin: 0 auto;
  padding: 78px 0 82px;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(410px, 0.78fr);
  align-items: center;
  gap: clamp(62px, 8vw, 116px);
}

.kicker {
  margin: 0 0 20px;
  color: var(--gold-light);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.kicker::before {
  content: "";
  width: 28px;
  height: 1px;
  margin-right: 11px;
  background: currentColor;
  display: inline-block;
  vertical-align: middle;
}

.kicker-dark {
  color: var(--burgundy);
}

.hero h1,
.section-heading h2,
.diamond-content h2,
.custom-intro h2,
.gemstone-copy h2,
.appointment-copy h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 0.98;
}

.hero h1 {
  max-width: 650px;
  font-size: clamp(3.4rem, 5.4vw, 5.2rem);
}

.hero h1 em,
.section-heading h2 em,
.diamond-content h2 em,
.custom-intro h2 em {
  color: var(--gold-light);
  font-weight: 500;
}

.hero-lede {
  max-width: 620px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.64);
  font-family: var(--serif);
  font-size: 1.22rem;
  line-height: 1.65;
}

.hero-actions {
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  min-height: 50px;
  padding: 0 21px;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: inherit;
  cursor: pointer;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-decoration: none;
  text-transform: uppercase;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-gold {
  background: var(--gold);
  color: var(--ink);
}

.button-gold:hover {
  background: var(--gold-light);
}

.button-line {
  border-color: rgba(255, 255, 255, 0.25);
  color: var(--white);
}

.button-line:hover {
  border-color: rgba(255, 255, 255, 0.6);
  background: rgba(255, 255, 255, 0.06);
}

.button-dark {
  border: 0;
  background: var(--ink);
  color: var(--white);
}

.button-dark:hover {
  background: var(--burgundy);
}

.hero-note {
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.43);
  font-size: 0.7rem;
  line-height: 1.6;
}

.hero-note i {
  margin-right: 8px;
  color: var(--gold-light);
}

.hero-product {
  position: relative;
  width: 100%;
  max-width: 480px;
  justify-self: end;
}

.hero-image-wrap {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: var(--white);
}

.hero-image-wrap::after {
  content: "";
  position: absolute;
  inset: 17px;
  border: 1px solid rgba(17, 19, 26, 0.08);
  pointer-events: none;
}

.hero-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-detail {
  position: absolute;
  right: -28px;
  bottom: 28px;
  width: min(290px, 72%);
  padding: 21px 24px;
  border-left: 3px solid var(--gold);
  background: rgba(17, 19, 26, 0.96);
  box-shadow: 0 22px 50px rgba(0, 0, 0, 0.24);
  display: grid;
  gap: 4px;
}

.hero-detail span {
  color: var(--gold-light);
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero-detail strong {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 600;
}

.hero-detail small {
  color: rgba(255, 255, 255, 0.48);
  font-size: 0.65rem;
}

.hero-seal {
  position: absolute;
  top: -34px;
  left: -34px;
  width: 96px;
  height: 96px;
  border: 1px solid rgba(215, 189, 139, 0.52);
  border-radius: 50%;
  background: var(--ink);
  display: grid;
  place-content: center;
  color: rgba(255, 255, 255, 0.52);
  font-size: 0.48rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-align: center;
  text-transform: uppercase;
}

.hero-seal b {
  margin: 2px 0;
  color: var(--gold-light);
  font-family: var(--serif);
  font-size: 1.5rem;
  line-height: 0.8;
}

.assurances {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.assurance-shell {
  width: var(--shell);
  min-height: 104px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.assurance-shell > p {
  margin: 0;
  padding: 24px 32px;
  border-right: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
}

.assurance-shell > p:first-child {
  border-left: 1px solid var(--line);
}

.assurance-shell i {
  color: var(--burgundy);
  font-size: 1.15rem;
}

.assurance-shell span {
  display: grid;
  gap: 3px;
}

.assurance-shell strong {
  font-family: var(--serif);
  font-size: 1.08rem;
  font-weight: 600;
}

.assurance-shell small {
  color: var(--muted);
  font-size: 0.63rem;
}

.section {
  padding: clamp(82px, 8vw, 116px) 0;
}

.section-shell {
  width: var(--shell);
  margin: 0 auto;
}

.collections {
  background: var(--ivory);
}

.section-heading {
  margin-bottom: 44px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.48fr);
  align-items: end;
  gap: 70px;
}

.section-heading h2,
.custom-intro h2,
.appointment-copy h2 {
  font-size: clamp(2.7rem, 4.5vw, 4.2rem);
}

.section-heading h2 em,
.custom-intro h2 em {
  color: var(--burgundy);
}

.section-heading > p {
  margin: 0 0 5px;
  color: var(--muted);
  font-family: var(--serif);
  font-size: 1.05rem;
  line-height: 1.7;
}

.collection-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.collection-card {
  min-height: 414px;
  border: 1px solid var(--line);
  background: var(--paper);
  display: flex;
  flex-direction: column;
  color: var(--ink);
  text-decoration: none;
  transition: transform 200ms ease, box-shadow 200ms ease;
}

.collection-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 42px rgba(22, 19, 17, 0.09);
}

.collection-image {
  height: 260px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.collection-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 300ms ease;
}

.collection-card:hover .collection-image img {
  transform: scale(1.025);
}

.collection-copy {
  position: relative;
  flex: 1;
  padding: 23px 22px 24px;
}

.collection-copy > span {
  color: var(--burgundy);
  font-size: 0.57rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.collection-copy h3 {
  max-width: 90%;
  margin: 9px 0 0;
  font-family: var(--serif);
  font-size: 1.65rem;
  font-weight: 600;
  line-height: 1.05;
}

.collection-copy p {
  margin: 11px 0 0;
  color: var(--muted);
  font-size: 0.69rem;
  line-height: 1.65;
}

.collection-copy i {
  position: absolute;
  right: 20px;
  bottom: 20px;
  color: var(--gold);
  transition: transform 180ms ease;
}

.collection-card:hover .collection-copy i {
  transform: translateX(4px);
}

.gemstone-triptych {
  height: 260px;
  padding: 18px;
  border-bottom: 1px solid var(--line);
  background: #ece7de;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: center;
  gap: 7px;
}

.gemstone-triptych img {
  width: 100%;
  aspect-ratio: 1 / 1.18;
  object-fit: cover;
  background: var(--white);
}

.gemstone-triptych img:nth-child(2) {
  transform: translateY(-10px);
}

.diamond-guide {
  background: var(--ink);
  color: var(--white);
}

.diamond-shell {
  width: var(--shell);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(390px, 0.78fr) minmax(0, 1fr);
  align-items: center;
  gap: clamp(70px, 9vw, 128px);
}

.diamond-image {
  position: relative;
  aspect-ratio: 0.9 / 1;
  overflow: hidden;
  background: var(--white);
}

.diamond-image > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.diamond-image > p {
  position: absolute;
  right: 20px;
  bottom: 20px;
  left: 20px;
  margin: 0;
  padding: 17px 20px;
  background: rgba(17, 19, 26, 0.9);
  display: grid;
  gap: 3px;
}

.diamond-image > p span {
  color: var(--gold-light);
  font-size: 0.53rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.diamond-image > p strong {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 600;
}

.diamond-content h2 {
  max-width: 740px;
  font-size: clamp(2.8rem, 4.7vw, 4.4rem);
}

.diamond-intro {
  max-width: 650px;
  margin: 25px 0 0;
  color: rgba(255, 255, 255, 0.55);
  font-family: var(--serif);
  font-size: 1.05rem;
  line-height: 1.72;
}

.guide-tabs {
  margin-top: 34px;
  border-bottom: 1px solid var(--line-light);
  display: flex;
  gap: 8px;
}

.guide-tab {
  position: relative;
  padding: 13px 16px 13px 0;
  border: 0;
  background: transparent;
  color: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.guide-tab::after {
  content: "";
  position: absolute;
  right: 16px;
  bottom: -1px;
  left: 0;
  height: 2px;
  background: transparent;
}

.guide-tab.is-active {
  color: var(--gold-light);
}

.guide-tab.is-active::after {
  background: var(--gold);
}

.guide-panel {
  min-height: 210px;
  padding: 26px 0 0;
}

.guide-panel h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.65rem;
  font-weight: 600;
}

.guide-panel > p {
  max-width: 650px;
  margin: 11px 0 0;
  color: rgba(255, 255, 255, 0.52);
  font-size: 0.74rem;
  line-height: 1.72;
}

.guide-panel ul {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.7rem;
}

.guide-panel li::before {
  content: "◇";
  margin-right: 9px;
  color: var(--gold-light);
}

.text-link {
  width: fit-content;
  padding-bottom: 5px;
  border-bottom: 1px solid currentColor;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-decoration: none;
  text-transform: uppercase;
}

.text-link span {
  color: var(--gold-light);
  font-size: 1rem;
  transition: transform 180ms ease;
}

.text-link:hover span {
  transform: translateX(4px);
}

.custom-design {
  background: var(--paper);
}

.custom-shell {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(440px, 1fr);
  align-items: start;
  gap: clamp(70px, 9vw, 130px);
}

.custom-intro > p:not(.kicker) {
  max-width: 550px;
  margin: 24px 0 0;
  color: var(--muted);
  font-family: var(--serif);
  font-size: 1.05rem;
  line-height: 1.72;
}

.custom-intro .button {
  margin-top: 28px;
}

.custom-steps {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.custom-steps li {
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 22px;
}

.custom-steps > li > span {
  color: var(--burgundy);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.custom-steps h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.65rem;
  font-weight: 600;
}

.custom-steps p {
  max-width: 54ch;
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.7;
}

.gemstone-story {
  padding: 0;
  background: var(--burgundy);
  color: var(--white);
}

.gemstone-shell {
  width: var(--shell);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 0.66fr) minmax(560px, 1.34fr);
  align-items: center;
  gap: 80px;
}

.gemstone-copy {
  padding: 76px 0;
}

.gemstone-copy h2 {
  font-size: clamp(2.7rem, 4.3vw, 4rem);
}

.gemstone-copy > p:not(.kicker) {
  margin: 22px 0 27px;
  color: rgba(255, 255, 255, 0.61);
  font-family: var(--serif);
  font-size: 1.04rem;
  line-height: 1.7;
}

.gemstone-rings {
  align-self: stretch;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.gemstone-rings figure {
  min-width: 0;
  margin: 0;
  border-left: 1px solid rgba(255, 255, 255, 0.13);
  background: #ece7de;
  display: flex;
  flex-direction: column;
}

.gemstone-rings img {
  width: 100%;
  flex: 1;
  min-height: 350px;
  object-fit: cover;
  mix-blend-mode: multiply;
}

.gemstone-rings figcaption {
  padding: 20px;
  background: rgba(17, 19, 26, 0.94);
  font-family: var(--serif);
  font-size: 1.25rem;
}

.gemstone-rings figcaption span {
  margin-top: 2px;
  display: block;
  color: rgba(255, 255, 255, 0.45);
  font-family: var(--sans);
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.appointment {
  background: var(--ivory);
}

.appointment-shell {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(520px, 1fr);
  align-items: start;
  gap: clamp(70px, 9vw, 128px);
}

.appointment-copy > p:not(.kicker) {
  max-width: 500px;
  margin: 22px 0 0;
  color: var(--muted);
  font-family: var(--serif);
  font-size: 1.04rem;
  line-height: 1.72;
}

.appointment-copy address {
  margin-top: 36px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 16px;
  font-style: normal;
}

.appointment-copy address p {
  margin: 0;
  display: grid;
  gap: 4px;
}

.appointment-copy address span,
.appointment-form label > span {
  color: var(--burgundy);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.appointment-copy address strong,
.appointment-copy address a {
  width: fit-content;
  color: var(--ink);
  font-size: 0.74rem;
  font-weight: 600;
  line-height: 1.55;
  text-decoration: none;
}

.appointment-copy address a {
  border-bottom: 1px solid currentColor;
}

.appointment-form {
  padding: clamp(28px, 4vw, 46px);
  border: 1px solid var(--line);
  background: var(--paper);
  box-shadow: 0 24px 58px rgba(31, 24, 20, 0.08);
}

.form-heading {
  margin-bottom: 27px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 5px;
}

.form-heading span {
  color: var(--burgundy);
  font-size: 0.57rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.form-heading strong {
  font-family: var(--serif);
  font-size: 2rem;
  font-weight: 600;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 15px;
}

.appointment-form label {
  margin-bottom: 15px;
  display: grid;
  gap: 8px;
}

.appointment-form label > span small {
  color: var(--muted);
  font-size: inherit;
  font-weight: 500;
  text-transform: none;
}

.appointment-form input,
.appointment-form select,
.appointment-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--white);
  color: var(--ink);
  font-size: 0.75rem;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.appointment-form input,
.appointment-form select {
  height: 50px;
  padding: 0 14px;
}

.appointment-form textarea {
  min-height: 122px;
  padding: 13px 14px;
  resize: vertical;
}

.appointment-form input::placeholder,
.appointment-form textarea::placeholder {
  color: #a3a09a;
}

.appointment-form input:focus,
.appointment-form select:focus,
.appointment-form textarea:focus {
  outline: 0;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(182, 147, 85, 0.12);
}

.form-footer {
  margin-top: 5px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.form-footer p {
  max-width: 245px;
  margin: 0;
  color: var(--muted);
  font-size: 0.6rem;
  line-height: 1.55;
}

.site-footer {
  padding: 58px 0 24px;
  background: #0b0d12;
  color: var(--white);
}

.footer-shell {
  width: var(--shell);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
}

.brand-footer {
  align-self: start;
}

.footer-shell > nav {
  display: flex;
  align-items: start;
  gap: 24px;
}

.footer-shell > nav a {
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

.footer-shell > nav a:hover {
  color: var(--white);
}

.footer-note {
  grid-column: 1 / -1;
  margin-top: 18px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: rgba(255, 255, 255, 0.3);
  font-size: 0.55rem;
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.footer-note a {
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
}

@media (max-width: 1050px) {
  .primary-nav {
    gap: 18px;
  }

  .primary-nav a {
    font-size: 0.62rem;
  }

  .hero-shell {
    grid-template-columns: minmax(0, 1fr) minmax(360px, 0.74fr);
    gap: 62px;
  }

  .collection-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .diamond-shell,
  .custom-shell,
  .appointment-shell {
    gap: 65px;
  }

  .gemstone-shell {
    grid-template-columns: minmax(300px, 0.62fr) minmax(500px, 1.38fr);
    gap: 45px;
  }
}

@media (max-width: 860px) {
  :root {
    --shell: min(720px, calc(100vw - 36px));
  }

  .nav-toggle {
    display: block;
  }

  .primary-nav {
    position: fixed;
    z-index: 99;
    top: 118px;
    right: 0;
    bottom: 0;
    left: 0;
    padding: 34px 26px;
    background: rgba(17, 19, 26, 0.99);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 180ms ease, visibility 180ms ease, transform 180ms ease;
  }

  .primary-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .primary-nav a {
    padding: 17px 2px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.78);
    font-family: var(--serif);
    font-size: 1.35rem;
    font-weight: 600;
    letter-spacing: 0;
    text-transform: none;
  }

  .primary-nav .nav-appointment {
    margin-top: 22px;
    justify-content: center;
    font-family: var(--sans);
    font-size: 0.64rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }

  .nav-toggle[aria-expanded="true"] > span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] > span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle[aria-expanded="true"] > span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }

  .hero-shell {
    padding: 70px 0 90px;
    grid-template-columns: 1fr;
    gap: 76px;
  }

  .hero-product {
    max-width: 540px;
    justify-self: center;
  }

  .assurance-shell {
    grid-template-columns: 1fr;
  }

  .assurance-shell > p,
  .assurance-shell > p:first-child {
    padding: 20px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    border-left: 1px solid var(--line);
    justify-content: flex-start;
  }

  .section-heading,
  .diamond-shell,
  .custom-shell,
  .appointment-shell {
    grid-template-columns: 1fr;
  }

  .section-heading {
    gap: 24px;
  }

  .section-heading > p {
    max-width: 600px;
  }

  .diamond-image {
    max-width: 560px;
    aspect-ratio: 1.05 / 1;
  }

  .guide-panel {
    min-height: 190px;
  }

  .custom-intro,
  .appointment-copy {
    max-width: 620px;
  }

  .gemstone-shell {
    width: 100%;
    grid-template-columns: 1fr;
    gap: 0;
  }

  .gemstone-copy {
    width: var(--shell);
    margin: 0 auto;
  }

  .gemstone-rings img {
    min-height: 290px;
  }

  .footer-shell {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  :root {
    --shell: calc(100vw - 30px);
  }

  .announcement {
    min-height: 38px;
    padding: 7px 14px;
    font-size: 0.54rem;
    line-height: 1.5;
  }

  .announcement span:nth-of-type(n + 2),
  .announcement span:nth-of-type(n + 2) + * {
    display: none;
  }

  .site-header {
    height: 74px;
  }

  .primary-nav {
    top: 112px;
  }

  .brand-mark {
    font-size: 1.9rem;
  }

  .brand-copy strong {
    font-size: 1.16rem;
  }

  .hero-shell {
    min-height: 0;
    padding: 60px 0 76px;
    gap: 66px;
  }

  .hero h1 {
    font-size: clamp(2.85rem, 13vw, 3.65rem);
  }

  .hero-lede {
    font-size: 1.07rem;
  }

  .hero-actions .button {
    width: 100%;
  }

  .hero-product {
    width: calc(100% - 20px);
  }

  .hero-detail {
    right: -10px;
    bottom: -22px;
    width: 82%;
  }

  .hero-seal {
    top: -34px;
    left: -12px;
    width: 82px;
    height: 82px;
  }

  .section {
    padding: 76px 0;
  }

  .section-heading h2,
  .diamond-content h2,
  .custom-intro h2,
  .gemstone-copy h2,
  .appointment-copy h2 {
    font-size: clamp(2.45rem, 11.5vw, 3.2rem);
  }

  .collection-grid {
    grid-template-columns: 1fr;
  }

  .collection-card {
    min-height: 390px;
  }

  .collection-image,
  .gemstone-triptych {
    height: 248px;
  }

  .diamond-image {
    aspect-ratio: 1 / 1;
  }

  .guide-tabs {
    gap: 0;
  }

  .guide-tab {
    flex: 1;
    padding-right: 0;
    text-align: left;
  }

  .guide-tab::after {
    right: 12px;
  }

  .custom-steps li {
    grid-template-columns: 38px 1fr;
    gap: 14px;
  }

  .gemstone-rings {
    overflow-x: auto;
    grid-template-columns: repeat(3, minmax(210px, 1fr));
    scroll-snap-type: x mandatory;
  }

  .gemstone-rings figure {
    scroll-snap-align: start;
  }

  .gemstone-rings img {
    min-height: 265px;
  }

  .appointment-form {
    padding: 26px 20px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .form-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .form-footer .button {
    width: 100%;
  }

  .footer-shell > nav,
  .footer-note {
    align-items: flex-start;
    flex-direction: column;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}
