:root {
  --deep: #082f3f;
  --deep-2: #0d4558;
  --ivory: #fbf8f1;
  --paper: #fffdf8;
  --platinum: #7b8387;
  --line: #ded8ca;
  --champagne: #c6a66a;
  --ink: #172327;
  --muted: #627075;
  --shadow: 0 24px 70px rgba(8, 47, 63, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--ivory);
  color: var(--ink);
  font-family: "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(18px, 4vw, 56px);
  background: rgba(251, 248, 241, 0.92);
  border-bottom: 1px solid rgba(222, 216, 202, 0.75);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 190px;
}

.brand-mark {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid var(--champagne);
  color: var(--champagne);
  font-family: Georgia, serif;
  font-size: 22px;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 15px;
  letter-spacing: 0;
}

.brand small {
  color: var(--muted);
  font-family: Georgia, serif;
  font-size: 12px;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(16px, 2.4vw, 36px);
  color: #32464d;
  font-size: 14px;
}

.main-nav a {
  border-bottom: 1px solid transparent;
  padding: 6px 0;
}

.main-nav a:hover {
  border-color: var(--champagne);
  color: var(--deep);
}

.header-actions,
.hero-actions,
.form-actions,
.contact-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.primary-action,
.outline-action,
.lang-toggle,
.text-action {
  min-height: 42px;
  border-radius: 4px;
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.primary-action,
.outline-action,
.lang-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border: 1px solid transparent;
  white-space: nowrap;
}

.primary-action {
  background: var(--deep);
  color: #fff;
}

.primary-action:hover,
.outline-action:hover,
.lang-toggle:hover {
  transform: translateY(-1px);
}

.outline-action,
.lang-toggle {
  background: transparent;
  border-color: var(--line);
  color: var(--deep);
}

.text-action {
  display: inline-flex;
  align-items: center;
  color: var(--deep);
  border-bottom: 1px solid var(--champagne);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 0.82fr);
  gap: clamp(28px, 5vw, 78px);
  align-items: center;
  min-height: calc(100vh - 73px);
  padding: clamp(36px, 6vw, 82px) clamp(18px, 5vw, 72px) 34px;
  background:
    linear-gradient(110deg, rgba(251, 248, 241, 0.96), rgba(251, 248, 241, 0.72)),
    radial-gradient(circle at 82% 16%, rgba(198, 166, 106, 0.14), transparent 34%),
    var(--ivory);
}

.hero-copy {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--champagne);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  color: var(--deep);
  font-family: Georgia, "Times New Roman", "Songti SC", serif;
  font-size: clamp(44px, 7.8vw, 92px);
  font-weight: 500;
  line-height: 1.05;
}

h2 {
  margin: 0;
  color: var(--deep);
  font-family: Georgia, "Times New Roman", "Songti SC", serif;
  font-size: clamp(30px, 4.6vw, 58px);
  font-weight: 500;
  line-height: 1.12;
}

h3 {
  margin: 0;
  color: var(--deep);
  font-family: Georgia, "Times New Roman", "Songti SC", serif;
  font-size: 22px;
  font-weight: 500;
  line-height: 1.22;
}

.hero-lede {
  max-width: 620px;
  margin: 24px 0 32px;
  color: #3f5359;
  font-size: 18px;
}

.hero-visual {
  position: relative;
  align-self: stretch;
  min-height: 580px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: #e6e1d6;
}

.hero-visual img {
  height: 100%;
  object-fit: cover;
}

.hero-caption {
  position: absolute;
  right: 22px;
  bottom: 22px;
  left: 22px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 14px;
  color: #fff;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.35);
}

.hero-caption span {
  font-family: Georgia, serif;
  font-size: 13px;
}

.hero-caption strong {
  max-width: 220px;
  text-align: right;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.trust-strip div {
  min-height: 112px;
  padding: 24px clamp(18px, 3vw, 42px);
  border-right: 1px solid var(--line);
}

.trust-strip div:last-child {
  border-right: 0;
}

.trust-strip strong,
.trust-strip span {
  display: block;
}

.trust-strip strong {
  color: var(--deep);
  font-family: Georgia, serif;
  font-size: 25px;
}

.trust-strip span {
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
}

.section {
  padding: clamp(58px, 8vw, 112px) clamp(18px, 5vw, 72px);
}

.section-heading {
  max-width: 860px;
  margin-bottom: 34px;
}

.section-heading > p:not(.eyebrow) {
  max-width: 680px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.split-heading {
  max-width: none;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  border: 1px solid var(--line);
  background: var(--paper);
}

.process-grid article {
  min-height: 245px;
  padding: 24px;
  border-right: 1px solid var(--line);
}

.process-grid article:last-child {
  border-right: 0;
}

.process-grid span {
  display: block;
  margin-bottom: 42px;
  color: var(--champagne);
  font-family: Georgia, serif;
}

.process-grid p,
.product-card p,
.article-grid p,
.service-copy p,
.contact p,
.proposal-panel p {
  color: var(--muted);
}

.feature-band {
  background: #eef3f2;
}

.custom-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.58fr);
  gap: 24px;
  align-items: start;
}

.bespoke-form,
.proposal-panel {
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: 0 18px 48px rgba(8, 47, 63, 0.08);
}

.bespoke-form {
  padding: clamp(22px, 4vw, 42px);
}

.step-status {
  display: grid;
  grid-template-columns: 86px 1fr;
  gap: 16px;
  align-items: center;
  margin-bottom: 28px;
  color: var(--deep);
  font-family: Georgia, serif;
  font-size: 13px;
}

.step-status div {
  height: 2px;
  background: #e6e1d8;
}

.step-status i {
  display: block;
  width: 16.666%;
  height: 100%;
  background: var(--champagne);
  transition: width 220ms ease;
}

fieldset {
  margin: 0;
  padding: 0;
  border: 0;
}

.form-step {
  display: none;
}

.form-step.active {
  display: block;
}

legend {
  margin-bottom: 24px;
  color: var(--deep);
  font-family: Georgia, "Times New Roman", "Songti SC", serif;
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.16;
}

.choice-grid,
.tag-picker,
.field-row {
  display: grid;
  gap: 14px;
}

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

.choice-grid.three {
  grid-template-columns: repeat(3, 1fr);
}

.choice-grid.wide {
  grid-template-columns: repeat(3, 1fr);
}

.tag-picker {
  grid-template-columns: repeat(5, 1fr);
}

.tag-picker.seven {
  grid-template-columns: repeat(4, 1fr);
}

.field-row {
  grid-template-columns: repeat(2, 1fr);
}

.choice-grid label,
.tag-picker label,
.upload-box,
input,
select {
  width: 100%;
  min-height: 54px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
}

.choice-grid label,
.tag-picker label,
.upload-box {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px;
  cursor: pointer;
}

.choice-grid input,
.tag-picker input {
  width: auto;
  min-height: 0;
  accent-color: var(--deep);
}

input,
select {
  padding: 0 14px;
  border-radius: 0;
}

.upload-box {
  margin-top: 14px;
  justify-content: center;
  border-style: dashed;
  color: var(--muted);
}

.upload-box input {
  display: none;
}

.form-actions {
  justify-content: space-between;
  margin-top: 34px;
}

.form-actions button:disabled {
  opacity: 0.42;
  cursor: not-allowed;
  transform: none;
}

.proposal-panel {
  position: sticky;
  top: 96px;
  padding: 28px;
}

#proposalOutput {
  display: grid;
  gap: 16px;
}

#proposalOutput article {
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

#proposalOutput strong {
  color: var(--deep);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.product-card {
  display: grid;
  background: var(--paper);
  border: 1px solid var(--line);
}

.product-card img {
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.product-card div {
  padding: 20px;
}

.product-card span {
  display: block;
  margin-bottom: 10px;
  color: var(--champagne);
  font-family: Georgia, serif;
  font-size: 12px;
}

.gemstone-section {
  background: #f5f1e8;
}

.gemstone-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.gemstone-grid article {
  min-height: 176px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 22px;
  background: var(--paper);
}

.gemstone-grid span {
  color: var(--champagne);
  font-family: Georgia, serif;
  font-size: 13px;
}

.gemstone-grid strong {
  color: var(--deep);
  font-family: Georgia, "Times New Roman", "Songti SC", serif;
  font-size: 26px;
  font-weight: 500;
}

.high-jewellery {
  background: var(--paper);
}

.case-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.54fr) minmax(0, 0.86fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
}

.case-layout img {
  aspect-ratio: 4 / 5;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.case-layout p,
.case-layout li,
.about-band p {
  color: var(--muted);
}

.case-layout ul {
  display: grid;
  gap: 12px;
  margin: 24px 0 0;
  padding-left: 20px;
}

.editorial {
  background: var(--deep);
}

.editorial h2 {
  color: #fff;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.article-grid article {
  min-height: 250px;
  background: var(--deep);
}

.article-link {
  display: flex;
  flex-direction: column;
  min-height: 250px;
  padding: 26px;
  color: inherit;
  text-decoration: none;
  transition: background 180ms ease, transform 180ms ease;
}

.article-link:hover {
  background: rgba(255, 255, 255, 0.04);
  transform: translateY(-2px);
}

.article-grid span {
  display: inline-block;
  margin-bottom: 34px;
  color: var(--champagne);
  font-size: 13px;
}

.article-grid h3 {
  color: #fff;
}

.article-grid p {
  color: rgba(255, 255, 255, 0.72);
}

.section-followup {
  margin-top: 26px;
  text-align: right;
}

.section-followup .text-action {
  color: #fff;
}

.service {
  display: grid;
  grid-template-columns: minmax(280px, 0.48fr) minmax(0, 0.82fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
}

.service-image img {
  aspect-ratio: 4 / 5;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.language-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.language-list span {
  border: 1px solid var(--line);
  padding: 8px 12px;
  color: var(--deep);
  background: var(--paper);
  font-family: Georgia, serif;
}

.about-band {
  background: #eef3f2;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) auto;
  gap: 30px;
  align-items: center;
  background: var(--paper);
  border-top: 1px solid var(--line);
}

.contact h2 {
  max-width: 800px;
}

.contact p {
  max-width: 680px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 26px clamp(18px, 5vw, 72px);
  background: #061f2a;
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
}

.site-footer p {
  margin: 0;
}

.footer-links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.72);
}

@media (max-width: 1080px) {
  .main-nav {
    display: none;
  }

  .hero,
  .custom-layout,
  .service,
  .case-layout,
  .contact {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-visual {
    min-height: 520px;
  }

  .trust-strip,
  .product-grid,
  .article-grid,
  .gemstone-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .process-grid article {
    border-bottom: 1px solid var(--line);
  }

  .proposal-panel {
    position: static;
  }
}

@media (max-width: 720px) {
  .site-header {
    align-items: flex-start;
  }

  .brand {
    min-width: 0;
  }

  .brand small,
  .outline-action {
    display: none;
  }

  .hero {
    padding-top: 34px;
  }

  .hero-actions,
  .form-actions,
  .contact-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-visual {
    min-height: 420px;
  }

  .hero-caption {
    align-items: start;
    flex-direction: column;
  }

  .hero-caption strong {
    text-align: left;
  }

  .trust-strip,
  .process-grid,
  .product-grid,
  .article-grid,
  .choice-grid,
  .choice-grid.three,
  .choice-grid.wide,
  .tag-picker,
  .tag-picker.seven,
  .field-row {
    grid-template-columns: 1fr;
  }

  .trust-strip div,
  .process-grid article {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .split-heading {
    display: block;
  }

  .site-footer {
    display: block;
  }
}
