:root {
  --ink: #12110f;
  --ink-soft: #24211d;
  --ivory: #f3f0e8;
  --paper: #e8e2d7;
  --gold: #b8965f;
  --gold-light: #d8c29b;
  --line: rgba(18, 17, 15, 0.18);
  --sans: "DM Sans", Arial, sans-serif;
  --serif: "Italiana", "Times New Roman", serif;
}

.i18n-pending body { visibility: hidden; }

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--ivory); color: var(--ink); font-family: var(--sans); font-size: 16px; font-weight: 300; line-height: 1.6; overflow-x: hidden; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; }
button { font: inherit; }
::selection { background: var(--gold); color: var(--ink); }

.skip-link { position: fixed; top: -5rem; left: 1rem; z-index: 1000; background: var(--ivory); padding: .7rem 1rem; border: 1px solid var(--ink); }
.skip-link:focus { top: 1rem; }

.site-header { position: fixed; inset: 0 0 auto; z-index: 50; height: 82px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: 0 3.2vw; color: white; border-bottom: 1px solid rgba(255,255,255,.22); transition: background .35s ease, color .35s ease, height .35s ease, border-color .35s ease; }
.site-header.scrolled { height: 68px; color: var(--ink); background: rgba(243,240,232,.93); border-color: var(--line); backdrop-filter: blur(14px); }
.brand { font-family: var(--serif); font-size: 1.65rem; letter-spacing: .12em; justify-self: start; line-height: 1; }
.desktop-nav { display: flex; gap: clamp(1.2rem, 2.4vw, 2.8rem); font-size: .77rem; letter-spacing: .08em; text-transform: uppercase; }
.desktop-nav a, .header-zalo, .footer-links a { position: relative; }
.desktop-nav a::after, .header-zalo::after, .footer-links a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -.25rem; height: 1px; background: currentColor; transition: right .3s ease; }
.desktop-nav a:hover::after, .header-zalo:hover::after, .footer-links a:hover::after { right: 0; }
.header-actions { justify-self: end; display: flex; align-items: center; gap: 1rem; }
.language-selector { display: inline-flex; align-items: center; gap: .35rem; padding: .32rem .42rem; border: 1px solid currentColor; }
.language-selector button { padding: .08rem .18rem; border: 0; background: transparent; color: inherit; cursor: pointer; font-size: .66rem; font-weight: 500; line-height: 1.2; letter-spacing: .06em; opacity: .42; transition: opacity .2s ease; }
.language-selector button[aria-pressed="true"], .language-selector button:hover, .language-selector button:focus-visible { opacity: 1; }
.language-selector i { width: 1px; height: .7rem; background: currentColor; opacity: .3; }
.header-zalo { font-size: .77rem; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; }
.menu-button { display: none; width: 42px; height: 42px; padding: 0; border: 0; background: transparent; color: inherit; }
.menu-button span { display: block; width: 24px; height: 1px; margin: 7px auto; background: currentColor; transition: transform .3s ease; }
.menu-button[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.menu-button[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }
.mobile-nav { display: none; }

.hero { min-height: 100svh; position: relative; display: grid; grid-template-columns: 45% 55%; overflow: hidden; background: var(--ink); color: var(--ivory); }
.hero-copy { position: relative; z-index: 2; align-self: center; padding: 11rem 4.5vw 8rem; }
.hero .eyebrow { color: var(--gold-light); }
.eyebrow { display: block; font-size: .74rem; line-height: 1.3; font-weight: 500; letter-spacing: .18em; text-transform: uppercase; }
.hero h1, h2 { font-family: var(--serif); font-weight: 400; letter-spacing: -.035em; line-height: .98; }
.hero h1 { max-width: 760px; margin: 1.5rem 0 1.6rem; font-size: clamp(3.7rem, 6.4vw, 7.3rem); }
h1 em, h2 em { color: var(--gold-light); font-weight: 400; }
.hero-intro { max-width: 540px; margin: 0; color: rgba(243,240,232,.7); font-size: 1.02rem; }
.hero-actions { display: flex; align-items: center; gap: 2rem; margin-top: 2.5rem; }
.button { min-height: 50px; display: inline-flex; align-items: center; justify-content: space-between; gap: 2.2rem; padding: .9rem 1.2rem; border: 1px solid; font-size: .78rem; font-weight: 500; letter-spacing: .07em; text-transform: uppercase; transition: background .3s ease, color .3s ease, border-color .3s ease; }
.button-dark { border-color: var(--gold); background: var(--gold); color: var(--ink); }
.button-dark:hover { background: var(--ivory); border-color: var(--ivory); }
.button-light { border-color: var(--gold-light); color: var(--ivory); }
.button-light:hover { background: var(--gold-light); color: var(--ink); }
.text-link { display: inline-flex; gap: .9rem; align-items: center; font-size: .8rem; font-weight: 500; letter-spacing: .06em; text-transform: uppercase; border-bottom: 1px solid currentColor; padding-bottom: .2rem; }
.text-link span, .button span, .product-info a span { transition: transform .25s ease; }
.text-link:hover span, .button:hover span, .product-info a:hover span { transform: translate(3px, -3px); }
.hero-note { position: absolute; left: 4.5vw; bottom: 2.2rem; display: flex; gap: 1rem; font-size: .72rem; letter-spacing: .03em; color: rgba(243,240,232,.55); }
.hero-note span { color: var(--gold-light); }
.hero-note p { margin: 0; line-height: 1.5; }
.hero-media { position: relative; margin: 0; min-height: 100%; overflow: hidden; }
.hero-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(18,17,15,.44), transparent 35%), linear-gradient(0deg, rgba(18,17,15,.3), transparent 40%); }
.hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero-media figcaption { position: absolute; right: 2rem; bottom: 2rem; z-index: 2; display: grid; text-align: right; color: rgba(255,255,255,.75); font-size: .66rem; letter-spacing: .11em; text-transform: uppercase; }
.hero-wordmark { position: absolute; z-index: 3; right: -1vw; bottom: -5.2vw; font-family: var(--serif); font-size: 15vw; line-height: .8; letter-spacing: -.04em; color: transparent; -webkit-text-stroke: 1px rgba(255,255,255,.28); pointer-events: none; }

.marquee { background: var(--gold); color: var(--ink); overflow: hidden; white-space: nowrap; border-bottom: 1px solid var(--ink); }
.marquee-track { display: inline-flex; align-items: center; gap: 2.2rem; min-width: max-content; padding: .82rem 0; animation: marquee 32s linear infinite; }
.marquee span { font-size: .71rem; font-weight: 500; letter-spacing: .15em; text-transform: uppercase; }
.marquee i { font-style: normal; }
@keyframes marquee { to { transform: translateX(-50%); } }

.section { padding: clamp(5.5rem, 10vw, 10rem) 4.5vw; }
.section-heading { display: grid; grid-template-columns: 1.35fr .65fr; align-items: end; gap: 5vw; margin-bottom: clamp(3.5rem, 7vw, 7rem); }
.section-heading h2, .services-intro h2, .size-copy h2 { margin: 1rem 0 0; font-size: clamp(3.2rem, 6.1vw, 6.8rem); }
.section-heading h2 em, .services-intro h2 em, .size-copy h2 em { color: var(--gold); }
.section-heading > p { max-width: 470px; margin: 0 0 .5rem; color: #5e574e; }

.collection { background: var(--ivory); }
.product-grid { display: grid; grid-template-columns: repeat(12, 1fr); column-gap: 2vw; row-gap: 5rem; }
.product-card { grid-column: span 5; }
.product-card:nth-child(3) { grid-column-start: 2; }
.product-card-wide { grid-column: span 7; }
.product-image { position: relative; height: clamp(350px, 46vw, 680px); overflow: hidden; background: #27231e; }
.product-card:not(.product-card-wide) .product-image { height: clamp(380px, 52vw, 760px); }
.product-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s cubic-bezier(.2,.7,.2,1); }
.product-card:hover .product-image img { transform: scale(1.025); }
.crop-ring img { object-position: 5% center; transform: scale(1.08); }
.crop-pendant img { object-position: 66% center; transform: scale(1.8); }
.crop-earrings img { object-position: 95% center; transform: scale(2); }
.crop-sculptural img { object-position: 42% center; transform: scale(1.35); }
.product-card:hover .crop-ring img { transform: scale(1.11); }
.product-card:hover .crop-pendant img { transform: scale(1.84); }
.product-card:hover .crop-earrings img { transform: scale(2.04); }
.product-card:hover .crop-sculptural img { transform: scale(1.39); }
.product-index { position: absolute; top: 1rem; left: 1rem; display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid rgba(255,255,255,.5); border-radius: 50%; color: white; font-size: .65rem; backdrop-filter: blur(5px); }
.product-info { display: grid; grid-template-columns: 1.2fr 1fr auto; align-items: end; gap: 1.2rem; padding-top: 1.15rem; border-top: 1px solid var(--ink); }
.product-info h3 { margin: 0 0 .2rem; font-family: var(--serif); font-size: 1.8rem; font-weight: 400; line-height: 1.1; }
.product-info p, .product-price span { margin: 0; color: #655e54; font-size: .7rem; letter-spacing: .04em; }
.product-price { display: grid; }
.product-price strong { font-size: .9rem; font-weight: 500; }
.product-info a { font-size: .7rem; font-weight: 500; letter-spacing: .05em; text-transform: uppercase; white-space: nowrap; }
.collection-disclaimer { max-width: 680px; margin: 5rem 0 0 auto; padding-top: 1rem; border-top: 1px solid var(--line); color: #766e63; font-size: .73rem; }

.craft { min-height: 900px; display: grid; grid-template-columns: 1fr 1fr; background: var(--ink); color: var(--ivory); }
.craft-media { position: relative; min-height: 850px; overflow: hidden; }
.craft-media img { width: 100%; height: 100%; object-fit: cover; }
.craft-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(18,17,15,.42), transparent 35%); }
.craft-media > span { position: absolute; z-index: 2; left: 2rem; bottom: 1.5rem; font-family: var(--serif); font-size: 2.1rem; font-style: italic; color: var(--gold-light); }
.craft-copy { padding: clamp(5rem, 8vw, 9rem) 6vw; align-self: center; }
.craft-copy .eyebrow { color: var(--gold-light); }
.craft-copy h2 { margin: 1.2rem 0 2rem; font-size: clamp(3.4rem, 5.4vw, 6rem); }
.craft-copy .lead { max-width: 560px; color: rgba(243,240,232,.68); font-size: 1.05rem; }
.material-list { margin-top: 4rem; border-top: 1px solid rgba(255,255,255,.2); }
.material-list article { display: grid; grid-template-columns: 40px 1fr; gap: 1rem; padding: 1.4rem 0; border-bottom: 1px solid rgba(255,255,255,.2); }
.material-list article > span { color: var(--gold-light); font-size: .7rem; }
.material-list h3 { margin: 0 0 .35rem; font-size: .95rem; font-weight: 500; letter-spacing: .03em; }
.material-list p { max-width: 540px; margin: 0; color: rgba(243,240,232,.55); font-size: .82rem; }

.atelier { background: #d9cfbe; }
.atelier-heading { border-bottom: 1px solid var(--ink); padding-bottom: 3rem; }
.atelier-steps { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin: 0; padding: 0; border-bottom: 1px solid var(--ink); }
.atelier-steps li { min-height: 320px; display: flex; flex-direction: column; padding: 1.5rem 2vw 2rem; border-left: 1px solid rgba(18,17,15,.35); }
.atelier-steps li:first-child { border-left: 0; }
.atelier-steps li > span { margin-bottom: auto; color: #6a5a42; font-size: .72rem; }
.atelier-steps h3 { margin: 3rem 0 .65rem; font-family: var(--serif); font-size: 1.75rem; font-weight: 400; }
.atelier-steps p { margin: 0; color: #5e5548; font-size: .82rem; }
.atelier-callout { display: flex; align-items: center; justify-content: space-between; gap: 2rem; margin-top: 3rem; padding: 1.5rem; background: var(--ink); color: var(--ivory); }
.atelier-callout p { max-width: 620px; margin: 0; color: rgba(243,240,232,.65); font-size: .8rem; }

.services { display: grid; grid-template-columns: .8fr 1.2fr; gap: 8vw; background: var(--ivory); }
.services-intro { position: sticky; top: 8rem; align-self: start; }
.services-intro h2 { font-size: clamp(3rem, 4.8vw, 5.6rem); }
.services-intro > p { max-width: 410px; margin-top: 2rem; color: #655e54; }
.service-accordions { border-top: 1px solid var(--ink); }
details { border-bottom: 1px solid var(--ink); }
summary { list-style: none; display: grid; grid-template-columns: 44px 1fr 28px; align-items: center; gap: 1rem; padding: 1.65rem 0; cursor: pointer; }
summary::-webkit-details-marker { display: none; }
summary span { color: #7b6748; font-size: .7rem; }
summary strong { font-family: var(--serif); font-size: clamp(1.35rem, 2vw, 2rem); font-weight: 400; }
summary i { position: relative; display: block; width: 22px; height: 22px; }
summary i::before, summary i::after { content: ""; position: absolute; top: 10px; left: 3px; width: 16px; height: 1px; background: var(--ink); transition: transform .25s ease; }
summary i::after { transform: rotate(90deg); }
details[open] summary i::after { transform: rotate(0); }
.detail-content { padding: 0 2rem 1.7rem 60px; color: #5e574e; font-size: .86rem; }
.detail-content p { margin: 0 0 .8rem; }

.size-guide { display: grid; grid-template-columns: .8fr 1.2fr; gap: 9vw; align-items: start; background: #ece7dd; border-top: 1px solid var(--ink); }
.size-copy p { max-width: 500px; margin: 2rem 0; color: #5e574e; }
.size-table-wrap { border-top: 1px solid var(--ink); }
table { width: 100%; border-collapse: collapse; }
caption { padding: 1.1rem 0; text-align: left; font-size: .72rem; font-weight: 500; letter-spacing: .13em; text-transform: uppercase; border-bottom: 1px solid var(--line); }
th, td { padding: .9rem .2rem; text-align: left; border-bottom: 1px solid var(--line); }
th { color: #6a6258; font-size: .7rem; font-weight: 500; letter-spacing: .07em; text-transform: uppercase; }
td { font-family: var(--serif); font-size: 1.25rem; }
.other-sizes { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; padding-top: 1.4rem; color: #655e54; font-size: .75rem; }
.other-sizes p { margin: 0; }
.other-sizes strong { display: block; color: var(--ink); font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; }

.consultation { position: relative; min-height: 780px; display: flex; flex-direction: column; justify-content: space-between; padding: 6rem 4.5vw 3rem; overflow: hidden; background: var(--ink); color: var(--ivory); }
.consultation::before { content: ""; position: absolute; inset: 0; opacity: .15; background: radial-gradient(circle at 70% 10%, var(--gold) 0, transparent 28%), linear-gradient(115deg, transparent 55%, rgba(184,150,95,.25)); }
.consultation-top, .consultation-main, .consultation-contact { position: relative; z-index: 2; }
.consultation-top { display: flex; justify-content: space-between; border-top: 1px solid rgba(255,255,255,.25); padding-top: 1rem; }
.consultation-top .eyebrow { color: var(--gold-light); }
.consultation-top p { margin: 0; font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: rgba(255,255,255,.55); }
.consultation-main { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 3rem; margin: auto 0; }
.consultation-main h2 { margin: 3rem 0; font-size: clamp(3.7rem, 7.3vw, 8.5rem); }
.consultation-contact { display: grid; grid-template-columns: 1fr 1.4fr; gap: 5vw; align-items: end; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,.25); }
.consultation-contact > p { max-width: 440px; margin: 0; color: rgba(255,255,255,.55); font-size: .8rem; }
.contact-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.contact-links a { display: grid; font-size: .86rem; }
.contact-links span { color: var(--gold-light); font-size: .65rem; letter-spacing: .1em; text-transform: uppercase; }
.consultation-wordmark { position: absolute; left: -1.5vw; bottom: -7vw; font-family: var(--serif); font-size: 23vw; line-height: .8; letter-spacing: -.05em; color: transparent; -webkit-text-stroke: 1px rgba(255,255,255,.07); pointer-events: none; }

footer { padding: 4rem 4.5vw 2rem; display: grid; grid-template-columns: 1fr .5fr 1.2fr; gap: 6vw; background: #090908; color: rgba(255,255,255,.62); font-size: .75rem; }
.footer-brand > a { font-family: var(--serif); color: var(--ivory); font-size: 2.6rem; letter-spacing: .12em; }
.footer-brand p { margin-top: 1rem; }
.footer-brand strong { color: var(--ivory); font-weight: 400; }
.footer-links { display: flex; flex-direction: column; align-items: flex-start; gap: .55rem; color: var(--ivory); }
.footer-legal p { margin: 0 0 1rem; }
.footer-bottom { grid-column: 1 / -1; display: flex; justify-content: space-between; margin-top: 2rem; padding-top: 1.2rem; border-top: 1px solid rgba(255,255,255,.16); color: rgba(255,255,255,.42); }

.floating-zalo { position: fixed; z-index: 40; right: 1.25rem; bottom: 1.25rem; display: flex; align-items: center; gap: .6rem; padding: .5rem .8rem .5rem .5rem; border-radius: 100px; background: var(--gold); color: var(--ink); box-shadow: 0 8px 30px rgba(0,0,0,.22); font-size: .7rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; }
.floating-zalo span { display: grid; place-items: center; width: 28px; height: 28px; border: 1px solid var(--ink); border-radius: 50%; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .8s ease, transform .8s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 1100px) {
  .site-header { grid-template-columns: 1fr auto; }
  .desktop-nav { display: none; }
  .header-zalo { display: none; }
  .header-actions { gap: .55rem; }
  .language-selector { gap: .25rem; padding: .3rem .35rem; }
  .menu-button { display: block; }
  .mobile-nav { position: fixed; inset: 0; z-index: -1; display: flex; flex-direction: column; justify-content: center; gap: 1rem; padding: 6rem 8vw; background: var(--ink); color: var(--ivory); opacity: 0; pointer-events: none; transition: opacity .3s ease; }
  .mobile-nav.open { opacity: 1; pointer-events: auto; }
  .mobile-nav a { font-family: var(--serif); font-size: clamp(2.4rem, 8vw, 4.5rem); line-height: 1.15; }
  .site-header:has(.mobile-nav.open) { color: var(--ivory); background: transparent; border-color: rgba(255,255,255,.2); }
  .hero { grid-template-columns: 50% 50%; }
  .hero h1 { font-size: clamp(3.5rem, 6.5vw, 5.7rem); }
  .hero-copy { padding-left: 4vw; padding-right: 3vw; }
  .atelier-steps { grid-template-columns: repeat(2, 1fr); }
  .atelier-steps li:nth-child(3) { border-left: 0; border-top: 1px solid rgba(18,17,15,.35); }
  .atelier-steps li:nth-child(4) { border-top: 1px solid rgba(18,17,15,.35); }
  .product-info { grid-template-columns: 1fr 1fr; }
  .product-info a { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  .site-header { height: 66px; padding: 0 1.2rem; }
  .brand { font-size: 1.45rem; }
  .hero { min-height: 900px; display: block; }
  .hero-copy { position: absolute; inset: 0; z-index: 3; display: flex; flex-direction: column; justify-content: flex-end; padding: 8rem 1.2rem 8.5rem; background: linear-gradient(0deg, rgba(18,17,15,.96) 0, rgba(18,17,15,.55) 55%, rgba(18,17,15,.1) 100%); }
  .hero h1 { margin: 1.2rem 0; font-size: clamp(3.45rem, 16vw, 5.5rem); }
  .hero-intro { font-size: .95rem; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 1.2rem; margin-top: 1.8rem; }
  .hero-note { left: 1.2rem; bottom: 1.2rem; }
  .hero-media { position: absolute; inset: 0; min-height: 0; }
  .hero-media img { object-position: 63% center; }
  .hero-media figcaption { top: 5.5rem; right: 1rem; bottom: auto; }
  .hero-wordmark { display: none; }
  .marquee-track { gap: 1.4rem; }
  .section { padding: 5.5rem 1.2rem; }
  .section-heading { display: block; }
  .section-heading h2, .services-intro h2, .size-copy h2 { font-size: clamp(3.3rem, 15vw, 5rem); }
  .section-heading > p { margin-top: 1.7rem; }
  .product-grid { display: block; }
  .product-card { margin-bottom: 4rem; }
  .product-image, .product-card:not(.product-card-wide) .product-image { height: 520px; }
  .product-info { grid-template-columns: 1fr auto; }
  .product-info a { margin-top: .5rem; }
  .collection-disclaimer { margin-top: 0; }
  .craft { display: flex; flex-direction: column; }
  .craft-media { min-height: 650px; }
  .craft-copy { padding: 5.5rem 1.2rem; }
  .craft-copy h2 { font-size: clamp(3.3rem, 14vw, 5rem); }
  .atelier-steps { grid-template-columns: 1fr; }
  .atelier-steps li, .atelier-steps li:nth-child(4) { min-height: 250px; border-left: 0; border-top: 1px solid rgba(18,17,15,.35); }
  .atelier-steps li:first-child { border-top: 0; }
  .atelier-callout { align-items: flex-start; flex-direction: column; }
  .services, .size-guide { display: block; }
  .services-intro { position: static; margin-bottom: 4rem; }
  .detail-content { padding-left: 0; padding-right: .5rem; }
  .size-table-wrap { margin-top: 4rem; }
  .other-sizes { grid-template-columns: 1fr; gap: 1rem; }
  .consultation { min-height: 850px; padding: 4.5rem 1.2rem 2rem; }
  .consultation-top p { display: none; }
  .consultation-main { display: block; }
  .consultation-main h2 { font-size: clamp(3.5rem, 15vw, 5.5rem); }
  .consultation-contact { grid-template-columns: 1fr; }
  .contact-links { grid-template-columns: 1fr; gap: .8rem; }
  .consultation-wordmark { font-size: 40vw; bottom: -8vw; }
  footer { grid-template-columns: 1fr; padding: 3.5rem 1.2rem 6rem; }
  .footer-bottom { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}