:root {
  --paper: #f6f1ea;
  --paper-deep: #ece3d7;
  --paper-soft: rgba(255, 255, 255, 0.78);
  --ink: #1f2940;
  --ink-soft: #51607a;
  --gold: #b48a3b;
  --gold-bright: #d2ac58;
  --navy: #203555;
  --navy-deep: #172842;
  --line: rgba(31, 41, 64, 0.12);
  --shadow: 0 28px 80px rgba(33, 42, 60, 0.12);
  --radius-xl: 36px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --content: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, Georgia, serif;
  background:
    radial-gradient(circle at top left, rgba(180, 138, 59, 0.12), transparent 22%),
    radial-gradient(circle at 85% 30%, rgba(32, 53, 85, 0.08), transparent 24%),
    linear-gradient(180deg, #f8f5f0 0%, #f1ebe3 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.28) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.18) 1px, transparent 1px);
  background-size: 120px 120px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.48), transparent 85%);
}

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

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

.page-glow {
  position: fixed;
  width: 42vw;
  height: 42vw;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
  opacity: 0.48;
  z-index: 0;
}

.page-glow-left {
  top: -10vw;
  left: -8vw;
  background: rgba(223, 198, 151, 0.34);
}

.page-glow-right {
  right: -12vw;
  top: 25vh;
  background: rgba(188, 206, 228, 0.22);
}

.site-shell {
  position: relative;
  z-index: 1;
  width: min(calc(100% - 40px), var(--content));
  margin: 0 auto;
  padding-bottom: 40px;
}

.site-header,
.hero,
.trust-band,
.difference-section,
.types-section,
.inventory-section,
.acquisition-section,
.site-footer {
  position: relative;
  z-index: 1;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 26px 0 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: 1.18rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand img {
  width: 48px;
  height: 48px;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px;
}

.site-nav a,
.eyebrow,
.visual-kicker,
.type-label,
.stone-cert,
.contact-line span {
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.site-nav a {
  color: var(--ink-soft);
  position: relative;
  padding-bottom: 6px;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.98fr);
  align-items: center;
  gap: 46px;
  padding: 42px 0 24px;
}

.eyebrow,
.visual-kicker,
.type-label,
.stone-cert,
.contact-line span {
  color: var(--gold);
  margin: 0 0 14px;
}

h1,
h2,
h3 {
  margin: 0;
  font-weight: 500;
  line-height: 1.02;
  font-family: "Baskerville", "Times New Roman", serif;
}

h1 {
  font-size: clamp(3rem, 6.4vw, 5.6rem);
  max-width: 11ch;
}

h2 {
  font-size: clamp(2.2rem, 4.2vw, 3.7rem);
  max-width: 15ch;
}

h3 {
  font-size: 1.7rem;
}

p,
li,
dd {
  font-size: 1.07rem;
  line-height: 1.7;
}

.lead {
  max-width: 58ch;
  color: var(--ink-soft);
  margin: 26px 0 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 14px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    background 160ms ease,
    border-color 160ms ease;
}

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

.button-solid {
  color: #fffdf8;
  background: linear-gradient(135deg, var(--gold-bright), var(--gold));
  box-shadow: 0 18px 40px rgba(180, 138, 59, 0.22);
}

.button-ghost {
  border-color: rgba(31, 41, 64, 0.16);
  background: rgba(255, 255, 255, 0.58);
}

.button-small {
  min-height: 44px;
  width: 100%;
  margin-top: 18px;
  padding-inline: 16px;
  font-size: 0.94rem;
}

.button-wide {
  width: 100%;
  margin-top: 28px;
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 38px 0 0;
  padding: 0;
}

.hero-facts div,
.panel,
.stone-card {
  border: 1px solid rgba(31, 41, 64, 0.1);
  background: var(--paper-soft);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}

.hero-facts div {
  border-radius: var(--radius-md);
  padding: 18px;
}

.hero-facts dt {
  margin-bottom: 8px;
  color: var(--ink-soft);
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-facts dd {
  margin: 0;
}

.hero-visual {
  position: relative;
  min-height: 620px;
}

.hero-card {
  position: absolute;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 30px 70px rgba(25, 36, 56, 0.16);
}

.hero-card-main {
  inset: 0 50px 72px 0;
  padding: 42px;
  background:
    radial-gradient(circle at top right, rgba(255, 255, 255, 0.9), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(244, 239, 232, 0.84));
  border: 1px solid rgba(31, 41, 64, 0.09);
}

.hero-card-main::after {
  content: "";
  position: absolute;
  inset: auto -5% -18% auto;
  width: 70%;
  height: 70%;
  background:
    radial-gradient(circle, rgba(255, 255, 255, 0.5), transparent 56%),
    linear-gradient(135deg, rgba(32, 53, 85, 0.06), transparent 60%);
  opacity: 0.75;
  clip-path: polygon(50% 0, 100% 40%, 70% 100%, 30% 100%, 0 40%);
}

.hero-card-main h2 {
  max-width: none;
  margin-top: 20px;
  font-size: clamp(2rem, 4vw, 3.3rem);
}

.hero-card-main p:last-child {
  position: relative;
  z-index: 1;
  margin-top: 18px;
  max-width: 28ch;
  color: var(--ink-soft);
}

.diamond-graphic {
  display: flex;
  gap: 18px;
  align-items: end;
  height: 180px;
}

.diamond-graphic span {
  display: block;
  background:
    linear-gradient(135deg, rgba(185, 215, 255, 0.72), rgba(255, 255, 255, 0.96)),
    linear-gradient(180deg, rgba(210, 172, 88, 0.18), rgba(255, 255, 255, 0));
  border: 1px solid rgba(94, 126, 171, 0.22);
  box-shadow: inset 0 0 20px rgba(255, 255, 255, 0.95);
}

.diamond-graphic span:nth-child(1) {
  width: 120px;
  height: 146px;
  clip-path: polygon(20% 0, 80% 0, 100% 22%, 90% 100%, 10% 100%, 0 22%);
}

.diamond-graphic span:nth-child(2) {
  width: 96px;
  height: 120px;
  clip-path: polygon(50% 0, 100% 28%, 88% 100%, 12% 100%, 0 28%);
}

.diamond-graphic span:nth-child(3) {
  width: 84px;
  height: 100px;
  clip-path: polygon(26% 0, 74% 0, 100% 35%, 80% 100%, 20% 100%, 0 35%);
}

.hero-card-floating {
  right: 0;
  bottom: 0;
  width: min(320px, 72%);
  padding: 26px 28px;
  color: #f5f3ee;
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.12), transparent 36%),
    linear-gradient(180deg, var(--navy), var(--navy-deep));
}

.hero-card-floating ul {
  margin: 18px 0 0;
  padding-left: 18px;
}

.hero-card-floating li + li {
  margin-top: 8px;
}

.trust-band {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin-top: 30px;
  border: 1px solid var(--line);
  border-radius: 28px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.66);
  box-shadow: var(--shadow);
}

.trust-band article {
  display: grid;
  place-items: center;
  gap: 14px;
  min-height: 170px;
  padding: 24px;
  text-align: center;
}

.trust-band article + article {
  border-left: 1px solid var(--line);
}

.trust-band p {
  margin: 0;
  max-width: 12ch;
}

.icon-wrap {
  width: 54px;
  height: 54px;
}

.icon-wrap svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: var(--navy);
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

section {
  padding-top: 90px;
}

.section-heading {
  display: grid;
  gap: 14px;
  justify-items: center;
  text-align: center;
}

.section-heading h2 {
  max-width: 18ch;
}

.difference-layout,
.acquisition-section {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 34px;
}

.panel {
  border-radius: var(--radius-xl);
  padding: 34px;
}

.feature-list {
  margin: 0;
  padding-left: 22px;
}

.feature-list li + li,
.type-points li + li {
  margin-top: 12px;
}

.difference-quote {
  display: grid;
  place-items: center;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.85), rgba(236, 227, 215, 0.78)),
    radial-gradient(circle at top right, rgba(180, 138, 59, 0.12), transparent 24%);
}

.difference-quote p {
  margin: 0;
  font-size: 1.3rem;
  line-height: 1.65;
}

.type-grid,
.inventory-grid {
  display: grid;
  gap: 24px;
  margin-top: 34px;
}

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

.type-card {
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(241, 235, 227, 0.88));
  box-shadow: var(--shadow);
}

.type-card-dark {
  color: #f5f2ec;
  background:
    radial-gradient(circle at top right, rgba(255, 255, 255, 0.08), transparent 24%),
    linear-gradient(180deg, #27446f, #1a2c48);
}

.type-card-head,
.type-points,
.type-footer {
  padding: 28px 30px;
}

.type-card-head {
  border-bottom: 1px solid rgba(31, 41, 64, 0.12);
}

.type-card-dark .type-card-head,
.type-card-dark .type-footer {
  border-color: rgba(255, 255, 255, 0.12);
}

.type-points {
  margin: 0;
  padding-left: 50px;
}

.type-footer {
  background: rgba(255, 255, 255, 0.08);
}

.type-card:not(.type-card-dark) .type-footer {
  background: rgba(255, 255, 255, 0.54);
}

.type-footer strong {
  display: block;
  margin-bottom: 10px;
  font-size: 1.15rem;
}

.type-footer p {
  margin: 0;
}

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

.stone-card {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 22px;
  border-radius: var(--radius-lg);
  padding: 24px;
}

.stone-gem {
  width: 100%;
  aspect-ratio: 1 / 1.1;
  align-self: center;
  border-radius: 24px;
  background:
    radial-gradient(circle at 35% 28%, rgba(255, 255, 255, 0.95), transparent 24%),
    linear-gradient(135deg, rgba(180, 214, 255, 0.9), rgba(255, 255, 255, 0.98)),
    linear-gradient(180deg, rgba(32, 53, 85, 0.12), transparent);
  border: 1px solid rgba(87, 113, 153, 0.18);
  box-shadow: inset 0 0 24px rgba(255, 255, 255, 0.9);
}

.stone-gem-emerald {
  clip-path: polygon(18% 0, 82% 0, 100% 18%, 100% 82%, 82% 100%, 18% 100%, 0 82%, 0 18%);
}

.stone-gem-cushion {
  clip-path: polygon(20% 2%, 80% 2%, 98% 20%, 98% 80%, 80% 98%, 20% 98%, 2% 80%, 2% 20%);
}

.stone-gem-radiant {
  clip-path: polygon(16% 0, 84% 0, 100% 18%, 88% 100%, 12% 100%, 0 18%);
}

.stone-gem-oval {
  clip-path: ellipse(45% 50% at 50% 50%);
}

.stone-copy h3 {
  margin-bottom: 16px;
}

.stone-copy dl {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
}

.stone-copy dt {
  color: var(--ink-soft);
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 5px;
}

.stone-copy dd {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.45;
}

.acquisition-copy p:last-child {
  max-width: 54ch;
  color: var(--ink-soft);
  margin-top: 20px;
}

.acquisition-panel {
  align-content: start;
}

.contact-line + .contact-line {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.contact-line strong {
  display: block;
  margin-top: 6px;
  font-size: 1.18rem;
  line-height: 1.45;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-top: 70px;
  color: var(--ink-soft);
}

.site-footer p {
  margin: 0;
}

@media (max-width: 1100px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 540px;
  }

  .hero-card-main {
    right: 90px;
  }
}

@media (max-width: 860px) {
  .site-header,
  .site-footer,
  .difference-layout,
  .acquisition-section,
  .type-grid,
  .inventory-grid {
    grid-template-columns: 1fr;
  }

  .site-header,
  .site-footer {
    display: grid;
    justify-content: stretch;
  }

  .site-nav {
    justify-content: flex-start;
  }

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

  .trust-band article:nth-child(3),
  .trust-band article:nth-child(4) {
    border-top: 1px solid var(--line);
  }

  .trust-band article:nth-child(3) {
    border-left: 0;
  }

  .inventory-grid {
    display: grid;
  }

  .stone-card {
    grid-template-columns: 108px minmax(0, 1fr);
  }

  .stone-copy dl {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .site-shell {
    width: min(calc(100% - 24px), var(--content));
  }

  .site-header {
    padding-top: 18px;
  }

  .brand {
    gap: 10px;
    font-size: 0.98rem;
  }

  .brand img {
    width: 40px;
    height: 40px;
  }

  h1 {
    font-size: clamp(2.4rem, 11vw, 3.6rem);
  }

  h2 {
    font-size: clamp(1.9rem, 8vw, 2.8rem);
  }

  .hero {
    gap: 28px;
    padding-top: 26px;
  }

  .hero-facts,
  .trust-band {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: auto;
    display: grid;
    gap: 18px;
  }

  .hero-card {
    position: relative;
  }

  .hero-card-main,
  .hero-card-floating {
    inset: auto;
    width: 100%;
  }

  .hero-card-main {
    padding: 28px 24px 30px;
  }

  .hero-card-floating {
    padding: 22px 22px 24px;
  }

  .diamond-graphic {
    height: 132px;
    gap: 12px;
  }

  .diamond-graphic span:nth-child(1) {
    width: 88px;
    height: 112px;
  }

  .diamond-graphic span:nth-child(2) {
    width: 72px;
    height: 94px;
  }

  .diamond-graphic span:nth-child(3) {
    width: 58px;
    height: 78px;
  }

  .trust-band article + article {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .panel,
  .type-card-head,
  .type-points,
  .type-footer,
  .stone-card {
    padding: 22px;
  }

  .stone-card {
    grid-template-columns: 1fr;
  }

  .stone-gem {
    width: 108px;
  }

  section {
    padding-top: 68px;
  }
}