:root {
  --ys-gold: #d9a43a;
  --ys-gold-bright: #f3c86a;
  --ys-gold-deep: #9c6a13;
  --ys-ink: #16191f;
  --ys-graphite: #222733;
  --ys-muted: #626a73;
  --ys-line: #dfe4e8;
  --ys-warm: #fbfaf7;
  --ys-pearl: #fbfaf7;
  --ys-platinum: #d8dde3;
  --ys-ice: #e7f2f5;
  --ys-teal: #2f8f83;
  --ys-blush: #d7a2a4;
  --ys-lavender: #9aa9d6;
  --ys-rose: #b75f73;
  --ys-white: #ffffff;
  --ys-radius: 8px;
  --ys-shadow: 0 22px 70px rgba(22, 25, 31, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ys-ink);
  background:
    linear-gradient(90deg, rgba(223,228,232,.5) 1px, transparent 1px),
    linear-gradient(180deg, var(--ys-pearl), #fff 320px);
  background-size: 72px 72px, auto;
  font-family: "Aptos", "Segoe UI", sans-serif;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
.ys-skip-link { position: absolute; left: -999px; top: 0; background: var(--ys-ink); color: #fff; padding: 10px; z-index: 99; }
.ys-skip-link:focus { left: 0; }
.ys-container { width: min(1180px, calc(100% - 36px)); margin: 0 auto; }

.ys-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.92);
  border-bottom: 1px solid var(--ys-line);
  backdrop-filter: blur(18px);
}
.ys-header::before {
  content: "";
  display: block;
  height: 4px;
  background: linear-gradient(90deg, var(--ys-gold), var(--ys-teal), var(--ys-lavender), var(--ys-blush), var(--ys-platinum));
}
.ys-header__inner {
  width: min(1240px, calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 22px;
  min-height: 78px;
}
.ys-brand { display: flex; align-items: center; gap: 12px; min-width: 230px; }
.ys-brand img { width: 54px; height: 54px; object-fit: contain; }
.ys-brand strong { display: block; letter-spacing: .16em; font-size: 18px; color: var(--ys-graphite); }
.ys-brand small { display: block; color: var(--ys-muted); font-size: 12px; }
.ys-nav { flex: 1; }
.ys-nav__list { list-style: none; padding: 0; margin: 0; display: flex; align-items: center; justify-content: center; gap: 20px; }
.ys-nav__list a { position: relative; font-size: 14px; font-weight: 650; color: var(--ys-graphite); }
.ys-nav__list a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -8px; height: 2px; transform: scaleX(0); transform-origin: left; background: var(--ys-teal); transition: transform .2s ease; }
.ys-nav__list a:hover { color: var(--ys-teal); }
.ys-nav__list a:hover::after { transform: scaleX(1); }
.ys-header__quote, .ys-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 11px 18px;
  border-radius: var(--ys-radius);
  font-weight: 750;
  border: 1px solid transparent;
}
.ys-header__quote, .ys-button--gold { background: var(--ys-gold); color: #17110a; box-shadow: 0 10px 24px rgba(217,164,58,.22); }
.ys-button--ghost { border-color: rgba(255,255,255,.5); color: #fff; }
.ys-button--dark { background: var(--ys-ink); color: #fff; }
.ys-nav-toggle { display: none; border: 0; background: transparent; padding: 8px; }
.ys-nav-toggle span:not(.screen-reader-text) { display: block; width: 24px; height: 2px; margin: 5px 0; background: var(--ys-ink); }

.ys-hero {
  position: relative;
  min-height: 680px;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, .55fr);
  align-items: center;
  gap: 42px;
  padding: 76px max(24px, calc((100vw - 1180px) / 2));
  background:
    radial-gradient(circle at 76% 18%, rgba(154,169,214,.42), transparent 27%),
    radial-gradient(circle at 84% 68%, rgba(47,143,131,.32), transparent 28%),
    radial-gradient(circle at 18% 80%, rgba(215,162,164,.28), transparent 30%),
    linear-gradient(112deg, rgba(22,25,31,.94), rgba(34,39,51,.78) 54%, rgba(231,242,245,.72));
  color: #fff;
  overflow: hidden;
}
.ys-hero::before {
  content: "";
  position: absolute;
  right: max(24px, calc((100vw - 1180px) / 2));
  bottom: 70px;
  width: min(470px, 36vw);
  aspect-ratio: 1.25;
  border: 1px solid rgba(255,255,255,.22);
  background:
    linear-gradient(90deg, rgba(255,255,255,.2), transparent 1px),
    linear-gradient(180deg, rgba(255,255,255,.18), transparent 1px),
    linear-gradient(135deg, rgba(251,250,247,.18), rgba(231,242,245,.04));
  background-size: 58px 58px, 58px 58px, auto;
  border-radius: 8px;
  transform: rotate(-6deg);
  opacity: .82;
}
.ys-hero::after {
  content: "925 silver / natural stone / acrylic / resin / zinc alloy";
  position: absolute;
  right: max(34px, calc((100vw - 1180px) / 2 + 10px));
  bottom: 92px;
  max-width: 380px;
  color: rgba(255,255,255,.78);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: .14em;
  text-transform: uppercase;
  transform: rotate(-6deg);
}
.ys-hero__content, .ys-hero__panel { position: relative; z-index: 1; }
.ys-hero h1, .ys-page-hero h1 { margin: 0; font-family: Georgia, "Times New Roman", serif; line-height: 1.02; letter-spacing: 0; }
.ys-hero h1 { font-size: clamp(46px, 7vw, 86px); max-width: 920px; }
.ys-hero p { max-width: 760px; color: rgba(255,255,255,.82); font-size: 18px; }
.ys-eyebrow { margin: 0 0 12px; color: var(--ys-teal); text-transform: uppercase; letter-spacing: .16em; font-size: 12px; font-weight: 850; }
.ys-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }
.ys-hero__panel {
  border: 1px solid rgba(255,255,255,.28);
  background: linear-gradient(180deg, rgba(255,255,255,.2), rgba(255,255,255,.1));
  border-radius: var(--ys-radius);
  padding: 28px;
  box-shadow: var(--ys-shadow);
  backdrop-filter: blur(12px);
}
.ys-hero__panel span { font-family: Georgia, serif; font-size: 70px; color: var(--ys-gold-bright); line-height: 1; }
.ys-hero__panel strong { display: block; margin-top: 8px; font-size: 22px; }

.ys-page-hero {
  position: relative;
  padding: 82px 0 58px;
  background:
    radial-gradient(circle at 82% 10%, rgba(231,242,245,.95), transparent 25%),
    radial-gradient(circle at 12% 88%, rgba(215,162,164,.18), transparent 25%),
    var(--ys-pearl);
  border-bottom: 1px solid var(--ys-line);
  overflow: hidden;
}
.ys-page-hero::after {
  content: "";
  position: absolute;
  right: 7vw;
  top: 38px;
  width: 220px;
  height: 220px;
  border: 1px solid rgba(47,143,131,.22);
  background:
    linear-gradient(90deg, rgba(47,143,131,.16) 1px, transparent 1px),
    linear-gradient(180deg, rgba(47,143,131,.12) 1px, transparent 1px);
  background-size: 28px 28px;
  transform: rotate(10deg);
}
.ys-page-hero .ys-container { position: relative; z-index: 1; }
.ys-page-hero h1 { font-size: clamp(38px, 5vw, 68px); max-width: 900px; }
.ys-page-hero p { max-width: 780px; font-size: 18px; color: var(--ys-muted); }
.ys-section { padding: 76px 0; }
.ys-section--warm { background: linear-gradient(180deg, var(--ys-pearl), var(--ys-ice)); }
.ys-section--dark { background: linear-gradient(135deg, var(--ys-ink), #28313a); color: #fff; }
.ys-section__head { display: flex; justify-content: space-between; gap: 22px; align-items: end; margin-bottom: 26px; padding-left: 18px; border-left: 5px solid var(--ys-teal); }
.ys-section:nth-of-type(odd) .ys-section__head { border-left-color: var(--ys-gold); }
.ys-section__head h2, .ys-rfq-band h2 { margin: 0; font-family: Georgia, serif; font-size: clamp(30px, 4vw, 48px); line-height: 1.08; }
.ys-grid { display: grid; gap: 18px; }
.ys-grid--cards { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.ys-grid--materials { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.ys-card, .ys-material, .ys-contact-card {
  border: 1px solid var(--ys-line);
  border-radius: var(--ys-radius);
  padding: 22px;
  background:
    linear-gradient(135deg, rgba(255,255,255,.92), rgba(255,255,255,.98)),
    radial-gradient(circle at 88% 12%, rgba(47,143,131,.1), transparent 28%);
  min-height: 190px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.ys-card--link, .ys-card--info, .ys-material { position: relative; overflow: hidden; }
.ys-card--link::before, .ys-card--info::before, .ys-material::before { content: ""; position: absolute; inset: 0 0 auto; height: 4px; background: var(--ys-gold); }
.ys-card--link:nth-child(3n+2)::before, .ys-card--info:nth-child(3n+2)::before, .ys-material:nth-child(4n+2)::before { background: var(--ys-teal); }
.ys-card--link:nth-child(3n+3)::before, .ys-card--info:nth-child(3n+3)::before, .ys-material:nth-child(4n+3)::before { background: var(--ys-blush); }
.ys-material:nth-child(4n+4)::before { background: var(--ys-lavender); }
.ys-card--link:hover, .ys-material:hover { transform: translateY(-4px); box-shadow: var(--ys-shadow); border-color: rgba(47,143,131,.32); }
.ys-card span { color: var(--ys-teal); font-weight: 800; font-size: 13px; text-transform: uppercase; letter-spacing: .1em; }
.ys-card--link:nth-child(3n+1) span { color: var(--ys-gold-deep); }
.ys-card--link:nth-child(3n+3) span { color: var(--ys-rose); }
.ys-card h3, .ys-card h2, .ys-material strong { margin: 12px 0 8px; font-size: 22px; line-height: 1.2; }
.ys-card p, .ys-material span { color: var(--ys-muted); }
.ys-card::after {
  content: "";
  position: absolute;
  right: 18px;
  bottom: 18px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(47,143,131,.12);
}
.ys-card:nth-child(3n+1)::after { background: rgba(217,164,58,.18); }
.ys-card:nth-child(3n+3)::after { background: rgba(183,95,115,.14); }
.ys-material { min-height: 150px; display: block; }
.ys-material strong { display: block; }
.ys-material span::after {
  content: "";
  display: block;
  width: 78px;
  height: 8px;
  margin-top: 18px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--ys-platinum), var(--ys-teal), var(--ys-lavender));
}

.ys-timeline { counter-reset: ys-step; list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 10px; }
.ys-timeline li { border-top: 3px solid var(--ys-teal); background: #fff; padding: 18px 12px; border-radius: var(--ys-radius); font-weight: 750; min-height: 118px; box-shadow: 0 14px 38px rgba(22,25,31,.07); }
.ys-timeline li:nth-child(3n+1) { border-top-color: var(--ys-gold); }
.ys-timeline li:nth-child(3n+3) { border-top-color: var(--ys-blush); }
.ys-timeline span { display: block; color: var(--ys-gold-deep); margin-bottom: 10px; }
.ys-split { display: grid; grid-template-columns: .8fr 1fr; gap: 42px; align-items: center; }
.ys-split p { color: rgba(255,255,255,.75); font-size: 18px; }
.ys-split--light p { color: var(--ys-muted); }
.ys-feature-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.ys-feature-list div { border: 1px solid var(--ys-line); border-radius: var(--ys-radius); padding: 18px; font-weight: 700; background: rgba(255,255,255,.76); box-shadow: 0 10px 30px rgba(22,25,31,.05); }
.ys-feature-list span { display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--ys-teal); margin-right: 10px; }
.ys-checklist {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}
.ys-checklist li {
  position: relative;
  padding: 15px 18px 15px 46px;
  border: 1px solid var(--ys-line);
  border-radius: var(--ys-radius);
  background: #fff;
  color: var(--ys-muted);
  font-weight: 650;
}
.ys-checklist li::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 22px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ys-teal);
  box-shadow: 0 0 0 5px rgba(47,143,131,.12);
}
.ys-faq { display: grid; gap: 12px; }
.ys-faq details {
  border: 1px solid var(--ys-line);
  border-radius: var(--ys-radius);
  background: #fff;
  padding: 0 20px;
}
.ys-faq summary {
  cursor: pointer;
  padding: 18px 0;
  font-weight: 800;
  color: var(--ys-graphite);
}
.ys-faq p { margin: 0 0 18px; color: var(--ys-muted); }
.ys-table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--ys-line); }
.ys-table th, .ys-table td { text-align: left; padding: 14px; border-bottom: 1px solid var(--ys-line); }
.ys-table th { background: var(--ys-ink); color: #fff; }
.ys-rfq-band {
  background:
    radial-gradient(circle at 88% 20%, rgba(255,255,255,.32), transparent 28%),
    linear-gradient(110deg, var(--ys-gold), #e7cf86 44%, var(--ys-ice));
  color: #17110a;
  padding: 48px 0;
}
.ys-rfq-band .ys-container { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.ys-rfq-band p { margin: 6px 0 0; }
.ys-contact-grid { display: grid; grid-template-columns: 1.1fr .8fr; gap: 28px; }
.ys-form { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px; }
.ys-form label { font-weight: 750; color: var(--ys-muted); }
.ys-form input, .ys-form textarea { width: 100%; margin-top: 7px; border: 1px solid var(--ys-line); border-radius: var(--ys-radius); padding: 12px; font: inherit; }
.ys-form label:has(textarea), .ys-form button { grid-column: 1 / -1; }
.ys-footer { background: var(--ys-graphite); color: rgba(255,255,255,.78); padding: 58px 0 92px; }
.ys-footer__grid { width: min(1180px, calc(100% - 36px)); margin: 0 auto; display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 26px; }
.ys-footer h2 { color: #fff; font-size: 18px; }
.ys-footer a { color: #fff; }
.ys-footer ul { list-style: none; padding: 0; margin: 0; }
.ys-footer__bottom { width: min(1180px, calc(100% - 36px)); margin: 32px auto 0; border-top: 1px solid rgba(255,255,255,.15); padding-top: 18px; }
.ys-mobile-actions { display: none; }
.screen-reader-text { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

@media (max-width: 980px) {
  .ys-header__inner { min-height: 68px; }
  .ys-nav-toggle { display: block; margin-left: auto; }
  .ys-nav { display: none; position: absolute; top: 68px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--ys-line); }
  .ys-nav.is-open { display: block; }
  .ys-nav__list { display: grid; gap: 0; padding: 10px 24px 18px; justify-content: stretch; }
  .ys-nav__list a { display: block; padding: 10px 0; }
  .ys-header__quote { display: none; }
  .ys-hero, .ys-split, .ys-contact-grid { grid-template-columns: 1fr; }
  .ys-grid--cards, .ys-grid--materials { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ys-timeline { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ys-footer__grid { grid-template-columns: 1fr 1fr; }
  .ys-rfq-band .ys-container { display: block; }
}

@media (max-width: 640px) {
  .ys-brand small { display: none; }
  .ys-hero { min-height: auto; padding-top: 58px; padding-bottom: 58px; }
  .ys-grid--cards, .ys-grid--materials, .ys-feature-list, .ys-form, .ys-footer__grid { grid-template-columns: 1fr; }
  .ys-timeline { grid-template-columns: 1fr; }
  .ys-mobile-actions { position: fixed; left: 0; right: 0; bottom: 0; display: grid; grid-template-columns: repeat(3, 1fr); z-index: 60; background: #fff; border-top: 1px solid var(--ys-line); }
  .ys-mobile-actions a { text-align: center; padding: 12px 6px; font-weight: 800; }
}
