/* FACETTE — haute joaillerie. Black / pearl white; colour only from stones and photographs. */
:root {
  --bk: #050505; --iv: #f2f0ec; --wh: #fafafa; --g: #8a8a8a; --ln: rgba(255,255,255,.16);
  --pad: clamp(16px, 2.4vw, 36px); --max: 1800px;
  --e: cubic-bezier(.16,1,.3,1); --io: cubic-bezier(.76,0,.24,1);
  --f: "Inter Tight", "Helvetica Neue", Arial, sans-serif; --m: "Geist Mono", ui-monospace, Menlo, monospace;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-font-smoothing: antialiased; overflow-x: clip; }
body { margin: 0; overflow-x: clip; background: var(--bk); color: var(--wh); font-family: var(--f); font-size: 16px; line-height: 1.45; letter-spacing: -.01em; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }
h1, h2, h3, p, ul { margin: 0; } ul { padding: 0; list-style: none; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--pad); }
.mono { font-family: var(--m); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; line-height: 1.4; }
.dim { color: var(--g); }
.lead { font-size: clamp(17px, 1.3vw, 21px); line-height: 1.45; }
.sec { padding: clamp(80px, 11vw, 170px) 0; position: relative; }
.iv { background: var(--iv); color: var(--bk); --g: #6a675f; --ln: rgba(0,0,0,.14); }
.h2 { font-size: clamp(46px, 6.2vw, 124px); font-weight: 800; letter-spacing: -.06em; line-height: .9; }
.hd { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 16px 40px; margin-bottom: 50px; } .hd .mono { grid-column: 1 / -1; }
.btns { display: flex; gap: 8px; flex-wrap: wrap; }
:focus-visible { outline: 2px solid currentColor; outline-offset: 3px; }
.btn { display: inline-flex; align-items: center; justify-content: space-between; gap: 18px; padding: 18px 26px; background: var(--bk); color: var(--wh); border: 1px solid var(--bk); font-size: 14px; font-weight: 650; transition: background .35s, color .35s; white-space: nowrap; }
.btn:hover { background: transparent; color: var(--bk); }
.btn--w { background: var(--wh); color: var(--bk); border-color: var(--wh); } .btn--w:hover { background: transparent; color: var(--wh); }
.btn--wg { background: transparent; color: var(--wh); border-color: rgba(255,255,255,.55); } .btn--wg:hover { background: var(--wh); color: var(--bk); }
.sec:not(.iv) .btn:not(.btn--w):not(.btn--wg) { background: var(--wh); color: var(--bk); border-color: var(--wh); }
.iv .btn--w { background: var(--bk); color: #fff; border-color: var(--bk); } .iv .btn--w:hover { background: transparent; color: var(--bk); }
.iv .btn--wg { color: var(--bk); border-color: var(--bk); } .iv .btn--wg:hover { background: var(--bk); color: #fff; }
.btn--full { width: 100%; }

/* ---------- loader: facets draw, carats climb ---------- */
.pre { position: fixed; inset: 0; z-index: 9999; background: var(--bk); display: grid; place-items: center; align-content: center; gap: 18px; }
html:not(.js) .pre { display: none; }
.pre__d { width: 120px; } .pre__d path { fill: none; stroke: #fff; stroke-width: .6; stroke-dasharray: 160; stroke-dashoffset: 160; animation: draw 1.6s var(--io) forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
.pre__n { font-size: clamp(90px, 15vw, 280px); font-weight: 800; letter-spacing: -.07em; line-height: .85; font-variant-numeric: tabular-nums; }
.pre__k { opacity: .6; }
body.ready .pre { opacity: 0; visibility: hidden; transition: opacity .8s .1s, visibility 0s .9s; }

/* ---------- transition: the screen shatters into facets ---------- */
.sh { position: fixed; inset: 0; z-index: 9000; pointer-events: none; visibility: hidden; }
.sh svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.sh polygon { fill: var(--bk); stroke: var(--bk); stroke-width: 2; transform-box: fill-box; transform-origin: center; transform: scale(0) rotate(-40deg); }
.sh__w { position: absolute; left: 0; right: 0; top: 50%; transform: translateY(-50%); text-align: center; font-size: clamp(56px, 10vw, 200px); font-weight: 800; letter-spacing: -.06em; line-height: .86; text-transform: uppercase; color: #fff; opacity: 0; padding: 0 var(--pad); }
body.leaving .sh, body.arriving .sh { visibility: visible; pointer-events: auto; }
body.leaving .sh polygon { transform: none; transition: transform .55s var(--io) calc(var(--dl, 0) * 1s); }
body.leaving .sh__w { opacity: 1; transition: opacity .4s .5s; }
body.arriving .sh polygon { transform: none; } body.arriving .sh__w { opacity: 1; }
body.arrived .sh polygon { transform: scale(0) rotate(40deg); transition: transform .6s var(--io) calc(var(--dl, 0) * 1s); }
body.arrived .sh__w { opacity: 0; transition: opacity .3s; }

/* ---------- nav ---------- */
.nv { position: fixed; left: 0; right: 0; top: 0; z-index: 600; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 20px; padding: 20px var(--pad); color: #fff; mix-blend-mode: difference; }
.nv__lg { grid-column: 1; grid-row: 1; justify-self: start; font-size: 22px; font-weight: 800; letter-spacing: .32em; }
.nv__l { display: none; }
.nv__m { grid-column: 2; display: grid; justify-items: center; gap: 4px; font-size: 11px; font-family: var(--m); letter-spacing: .14em; text-transform: uppercase; }
.nv__m svg { width: 40px; height: 34px; fill: none; stroke: currentColor; stroke-width: 1.2; transition: transform .8s var(--e); } .nv__m:hover svg { transform: rotateY(180deg); }
.nv__r { grid-column: 3; justify-self: end; display: flex; align-items: center; gap: 22px; font-size: 14px; font-weight: 600; }
.nv__snd { display: flex; align-items: center; gap: 8px; } .nv__snd i { width: 18px; height: 12px; background: repeating-linear-gradient(90deg, currentColor 0 2px, transparent 2px 4px); clip-path: polygon(0 60%, 25% 30%, 50% 70%, 75% 20%, 100% 50%, 100% 100%, 0 100%); opacity: .4; }
.nv__snd[aria-pressed="true"] i { opacity: 1; animation: eq .6s infinite alternate; } @keyframes eq { to { clip-path: polygon(0 30%, 25% 70%, 50% 20%, 75% 60%, 100% 30%, 100% 100%, 0 100%); } }
.nv__ec b { display: inline-grid; place-items: center; min-width: 22px; height: 22px; margin-left: 4px; border: 1.5px solid currentColor; border-radius: 11px; font-size: 11px; }
.nv__ec.bump b { animation: bump .6s var(--e); } @keyframes bump { 40% { transform: scale(1.5) rotate(45deg); } }

/* ---------- menu: a brilliant seen from above ---------- */
.dm { position: fixed; inset: 0; z-index: 800; background: var(--bk); display: grid; place-items: center; clip-path: polygon(50% 50%, 50% 50%, 50% 50%, 50% 50%); visibility: hidden; transition: clip-path .9s var(--io), visibility 0s .9s; }
.dm.open { clip-path: polygon(50% -60%, 160% 50%, 50% 160%, -60% 50%); visibility: visible; transition: clip-path .9s var(--io); }
body.menu-open { overflow: hidden; }
.dm__stage { position: relative; width: min(78vh, 86vw); aspect-ratio: 1; }
.dm__svg { position: absolute; inset: 14%; width: 72%; height: 72%; overflow: visible; transform: rotate(var(--dr, 0deg)); transition: transform 1.2s var(--e); }
.dm__lines line { stroke: rgba(255,255,255,.12); stroke-width: 1; }
.dm__f { fill: transparent; stroke: rgba(255,255,255,.35); stroke-width: 1; transition: fill .4s, stroke .4s; } .dm__f.on { fill: rgba(255,255,255,.14); stroke: #fff; }
.dm__tb { fill: none; stroke: #fff; stroke-width: 1.4; }
.dm__pic { opacity: .9; transition: opacity .3s; }
.dm__items { position: absolute; inset: 0; }
.dm__i { position: absolute; left: 50%; top: 50%; display: grid; gap: 2px; transform: rotate(var(--a)) translateY(calc(min(78vh, 86vw) * -.47)) rotate(calc(var(--a) * -1)) translate(-50%, -50%); text-align: center; white-space: nowrap; }
.dm__i b { font-size: clamp(22px, 2.6vw, 44px); font-weight: 800; letter-spacing: -.05em; line-height: 1; font-variation-settings: "wght" 800; transition: font-variation-settings .4s var(--e); }
.dm__i:hover b, .dm__i.on b { font-variation-settings: "wght" 200; }
.dm.open .dm__i { animation: dmIn .7s var(--e) both; } .dm__i:nth-child(n) { animation-delay: calc(.3s + var(--a) / 360deg * .4s) !important; }
@keyframes dmIn { from { opacity: 0; } }
.dm__f, .dm__x { position: absolute; } .dm__f.mono { left: var(--pad); right: var(--pad); bottom: 22px; display: flex; justify-content: space-between; opacity: .7; }
.dm__x { right: var(--pad); top: 22px; padding: 10px 16px; border: 1px solid rgba(255,255,255,.4); font-weight: 650; font-size: 14px; }

/* ---------- écrin drawer ---------- */
.scrim { position: fixed; inset: 0; z-index: 850; background: rgba(0,0,0,.55); opacity: 0; pointer-events: none; transition: opacity .5s; } .scrim.on { opacity: 1; pointer-events: auto; }
.ec { position: fixed; top: 0; right: 0; bottom: 0; z-index: 860; width: min(460px, 100%); background: var(--iv); color: var(--bk); display: grid; grid-template-rows: auto auto 1fr auto; gap: 14px; padding: 26px; transform: translateX(101%); transition: transform .7s var(--io); }
.ec.open { transform: none; } .ec__h { display: flex; justify-content: space-between; align-items: center; } .ec__h h2 { font-size: 34px; font-weight: 800; letter-spacing: -.05em; }
.ec__l { overflow: auto; } .ec__l li { display: grid; grid-template-columns: 76px 1fr auto; gap: 14px; align-items: center; padding: 12px 0; border-bottom: 1px solid rgba(0,0,0,.12); } .ec__l img { width: 76px; height: 92px; object-fit: cover; } .ec__l b { display: block; font-size: 19px; letter-spacing: -.03em; } .ec__l button { text-decoration: underline; font-size: 13px; }
.ec__e { color: #777; padding: 30px 0; } .ec .btn { background: var(--bk); color: #fff; }

/* ---------- 01 · HERO: the live diamond ---------- */
.hx { position: relative; height: 300vh; background: var(--bk); }
.hx__st { position: sticky; top: 0; height: 100vh; min-height: 620px; overflow: hidden; }
.hx__c { position: absolute; inset: 0; width: 100%; height: 100%; display: block; cursor: grab; }
.hx__fb { position: absolute; inset: 0; display: none; place-items: center; } .hx__fb img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: brightness(.5); } .hx__fb b { position: relative; font-size: 20vw; font-weight: 800; letter-spacing: -.06em; }
.hx.nogl .hx__fb { display: grid; } .hx.nogl .hx__c { display: none; }
.hx__k { position: absolute; left: 0; right: 0; top: 96px; display: flex; justify-content: space-between; opacity: var(--o, 1); pointer-events: none; }
.hx__b { position: absolute; left: 0; right: 0; bottom: 34px; display: flex; justify-content: space-between; align-items: end; opacity: var(--o, 1); pointer-events: none; } .hx__l { max-width: 380px; font-size: 16px; }
.hx__end { position: absolute; left: 0; right: 0; bottom: 70px; display: flex; justify-content: space-between; align-items: end; gap: 30px; opacity: var(--e2, 0); transform: translateY(calc((1 - var(--e2, 0)) * 40px)); pointer-events: none; }
.hx__end.on { pointer-events: auto; } .hx__end h2 { font-size: clamp(56px, 8vw, 160px); font-weight: 800; letter-spacing: -.07em; line-height: .84; text-shadow: 0 10px 60px rgba(0,0,0,.6); }

/* ---------- 02 · the 4C lab ---------- */
.lab { background: var(--bk); }
.lab__g { display: grid; grid-template-columns: 1.25fr 1fr; min-height: 100vh; }
.lab__stage { position: sticky; top: 0; height: 100vh; align-self: start; } .lab__c { position: absolute; inset: 0; width: 100%; height: 100%; display: block; cursor: grab; }
.lab.nogl .lab__stage { background: url(../img/g-2.jpg) center / cover; }
.lab__tag { position: absolute; left: var(--pad); bottom: 26px; }
.lab__ui { display: grid; align-content: center; gap: 26px; padding: 110px clamp(24px, 4vw, 70px) 60px; }
.lab__r { display: grid; gap: 10px; border-top: 1px solid var(--ln); padding-top: 16px; }
.lab__h { display: flex; justify-content: space-between; align-items: baseline; } .lab__h b { font-size: clamp(28px, 2.6vw, 48px); font-weight: 800; letter-spacing: -.05em; } .lab__h .mono { font-size: 16px; }
.lab input[type=range] { width: 100%; accent-color: #fff; }
.lab__sc { display: flex; justify-content: space-between; opacity: .55; }
.lab__cut { display: flex; gap: 2px; } .lab__cut button { flex: 1; padding: 12px 10px; border: 1px solid rgba(255,255,255,.35); font-weight: 650; } .lab__cut button.on { background: #fff; color: #000; }
.lab__note { min-height: 2.8em; }
.lab__p { display: grid; gap: 4px; } .lab__p b { font-size: clamp(56px, 5.6vw, 110px); font-weight: 800; letter-spacing: -.07em; line-height: .9; font-variant-numeric: tabular-nums; }

/* ---------- 03 · collections in a brilliant window ---------- */
.cl { position: relative; height: 420vh; }
.cl__st { position: sticky; top: 0; height: 100vh; overflow: hidden; background: var(--bk); }
.cl__bg { position: absolute; inset: 0; background: var(--cc, #0a0a0a); transition: background .9s var(--e); }
.cl__win { position: absolute; left: 50%; top: 50%; width: var(--ws, 40vmin); aspect-ratio: 1; transform: translate(-50%, -50%) rotate(var(--wr, 0deg)); clip-path: polygon(30% 0, 70% 0, 100% 30%, 100% 70%, 70% 100%, 30% 100%, 0 70%, 0 30%); z-index: 2; }
.cl__win img { position: absolute; inset: -10%; width: 120%; height: 120%; object-fit: cover; transform: rotate(calc(var(--wr, 0deg) * -1)) scale(1.1); opacity: 0; transition: opacity .7s; } .cl__win img.on { opacity: 1; }
.cl__names { position: absolute; inset: 0; display: grid; place-items: center; z-index: 1; color: #fff; pointer-events: none; }
.cl__names--o { z-index: 3; color: transparent; -webkit-text-stroke: 1.5px rgba(255,255,255,.95); }
.cl__n { grid-area: 1 / 1; font-size: clamp(64px, 12.5vw, 250px); font-weight: 800; letter-spacing: -.07em; line-height: .86; text-align: center; white-space: nowrap; opacity: 0; transform: scale(.92); transition: opacity .6s, transform 1s var(--e); font-variation-settings: "wght" var(--nw, 800); }
.cl__n.on { opacity: 1; transform: none; }
.cl__k { position: absolute; left: 0; right: 0; top: 96px; z-index: 3; display: flex; justify-content: space-between; }
.cl__infos { position: absolute; left: 0; right: 0; bottom: 40px; z-index: 3; }
.cl__inf { position: absolute; left: var(--pad); right: var(--pad); bottom: 0; display: flex; justify-content: space-between; align-items: end; gap: 30px; opacity: 0; transform: translateY(20px); transition: opacity .5s, transform .7s var(--e); pointer-events: none; }
.cl__inf.on { opacity: 1; transform: none; pointer-events: auto; } .cl__inf p { max-width: 440px; font-size: 17px; } .cl__inf > .mono { position: absolute; top: -26px; }

/* ---------- 04 · ring carousel ---------- */
.rg { padding: clamp(90px, 10vw, 160px) 0 60px; overflow: hidden; }
.rg__head { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 16px; } .rg__head .mono { grid-column: 1 / -1; }
.rg__stage { position: relative; height: 70vh; min-height: 460px; perspective: 1600px; margin-top: 40px; cursor: grab; touch-action: pan-y; } .rg__stage.drag { cursor: grabbing; }
.rg__ring { position: absolute; left: 50%; top: 50%; width: 0; height: 0; transform-style: preserve-3d; transform: translateZ(-200px) rotateX(-6deg) rotateY(var(--ry, 0deg)); }
.rg__i { position: absolute; left: calc(min(24vw, 300px) / -2); top: calc(min(32vw, 400px) / -2); width: min(24vw, 300px); aspect-ratio: 3/4; transform: rotateY(calc(360deg / var(--n) * var(--i))) translateZ(min(38vw, 470px)); backface-visibility: hidden; overflow: hidden; }
.rg__i img { width: 100%; height: 100%; object-fit: cover; pointer-events: none; }
.rg__b { position: absolute; left: 14px; right: 14px; bottom: 12px; display: grid; gap: 2px; color: #fff; text-shadow: 0 2px 20px rgba(0,0,0,.7); } .rg__b b { font-size: clamp(20px, 1.8vw, 32px); letter-spacing: -.04em; line-height: 1; }
.rg__hint { text-align: center; opacity: .6; }

/* ---------- 05 · muse loupe ---------- */
.mu { background: #0b0b0b; padding: clamp(80px, 9vw, 140px) 0; }
.mu__g { display: grid; grid-template-columns: 1fr minmax(0, 1fr); gap: 5vw; align-items: center; }
.mu__t { display: grid; gap: 22px; justify-items: start; }
.mu__h { font-size: clamp(70px, 9vw, 180px); font-weight: 800; letter-spacing: -.07em; line-height: .84; } .mu__l { max-width: 420px; font-size: 17px; color: #bbb; }
.mu__pts { list-style: none; padding: 0; margin: 0; display: grid; width: 100%; max-width: 440px; border-top: 1px solid var(--ln); }
.mu__pts li { display: flex; gap: 16px; align-items: baseline; padding: 12px 0; border-bottom: 1px solid var(--ln); font-size: clamp(18px, 1.5vw, 24px); font-weight: 650; letter-spacing: -.03em; opacity: .4; cursor: pointer; transition: opacity .3s, padding .4s var(--e); } .mu__pts li.on { opacity: 1; padding-left: 10px; }
.mu__fr { position: relative; justify-self: center; height: min(88vh, 960px); aspect-ratio: 2 / 3; max-width: 100%; overflow: hidden; cursor: none; }
.mu__fr img { width: 100%; height: 100%; object-fit: cover; filter: brightness(.8) saturate(.9); }
.mu__lens { position: absolute; left: 0; top: 0; width: 34%; aspect-ratio: 1; border-radius: 50%; pointer-events: none; transform: translate(-50%, -50%); border: 1.5px solid rgba(255,255,255,.95); box-shadow: 0 30px 80px rgba(0,0,0,.6); background-repeat: no-repeat; }
.mu__lens::after { content: "×3"; position: absolute; right: 16%; bottom: 12%; font: 500 11px var(--m); color: #fff; text-shadow: 0 1px 6px #000; }
@media (max-width: 1000px) { .mu__g { grid-template-columns: 1fr; } .mu__fr { height: auto; width: 100%; } .mu__pts { display: none; } }

/* ---------- 06 · gemstones take the page colour ---------- */
.gms { position: relative; background: var(--gbg, #050505); transition: background 1s var(--e); }
.gm { min-height: 100vh; display: grid; align-items: center; padding: 120px 0; }
.gm__g { display: grid; grid-template-columns: 1fr 1fr; gap: 6vw; align-items: center; }
.gm__ph { overflow: hidden; aspect-ratio: 4/5; box-shadow: 0 40px 90px rgba(0,0,0,.45); } .gm__ph img { width: 100%; height: 100%; object-fit: cover; transform: scale(var(--gs, 1.12)); transition: transform 1.6s var(--e); } .gm.in .gm__ph img { --gs: 1; }
.gm__b { display: grid; gap: 24px; justify-items: start; }
.gm__n { font-size: clamp(80px, 12vw, 240px); font-weight: 800; letter-spacing: -.075em; line-height: .82; font-variation-settings: "wght" var(--gw, 200); transition: font-variation-settings 1.2s var(--e); } .gm.in .gm__n { --gw: 820; }
.gm__ps { display: flex; gap: 2px; } .gm__ps a { width: 120px; display: grid; gap: 6px; } .gm__ps img { width: 100%; aspect-ratio: 3/4; object-fit: cover; }

/* ---------- 07 · atelier columns ---------- */
.at { position: relative; height: 130vh; min-height: 760px; overflow: hidden; background: #000; }
.at__cols { position: absolute; inset: -20% 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; opacity: .55; }
.at__col { display: grid; gap: 2px; align-content: start; transform: translateY(var(--cy, 0px)); }
.at__f { position: relative; margin: 0; } .at__f img { width: 100%; aspect-ratio: 4/5; object-fit: cover; }
.at__f figcaption { position: absolute; left: 14px; bottom: 12px; display: grid; gap: 2px; } .at__f b { font-size: clamp(20px, 2vw, 34px); letter-spacing: -.04em; }
.at__t { position: absolute; inset: 0; display: grid; place-items: center; align-content: center; gap: 18px; text-align: center; z-index: 1; background: radial-gradient(60% 50% at 50% 50%, rgba(0,0,0,.75), transparent); }
.at__n { display: flex; align-items: baseline; gap: 12px; } .at__n b { font-size: clamp(130px, 20vw, 400px); font-weight: 800; letter-spacing: -.08em; line-height: .8; font-variant-numeric: tabular-nums; } .at__n i { font-style: normal; font-size: clamp(22px, 2vw, 38px); }
.at__l { max-width: 440px; font-size: 18px; }

/* ---------- 08 · bridal ---------- */
.br__g { display: grid; grid-template-columns: 1.2fr 1fr; gap: 5vw; align-items: center; } .br__t { display: grid; gap: 22px; justify-items: start; }
.br__ph { position: relative; aspect-ratio: 1 / 1.05; } .br__ph > span { position: absolute; display: block; overflow: hidden; } .br__ph img { width: 100%; height: 100%; object-fit: cover; }
.br__a { left: 0; top: 0; width: 56%; height: 78%; } .br__b { right: 0; top: 8%; width: 40%; height: 50%; } .br__c { left: 34%; bottom: 0; width: 38%; height: 44%; box-shadow: 0 30px 60px rgba(0,0,0,.35); }

/* ---------- 09 · Vendôme spotlight ---------- */
.vd { position: relative; height: 110vh; min-height: 680px; overflow: hidden; }
.vd__img { position: absolute; inset: 0; } .vd__img img { width: 100%; height: 100%; object-fit: cover; }
.vd__spot { position: absolute; inset: 0; background: radial-gradient(circle var(--sr, 30vmax) at var(--sx, 50%) var(--sy, 40%), transparent 0, rgba(0,0,0,.72) 100%); pointer-events: none; }
.vd__t { position: absolute; inset: 0; display: grid; align-content: end; gap: 24px; padding-bottom: 70px; } .vd__t b { font-weight: 500; }
.vd__h { font-size: clamp(64px, 9vw, 180px); font-weight: 800; letter-spacing: -.07em; line-height: .84; }
.vd__bs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; } .vd__b { display: grid; gap: 4px; padding: 18px; background: rgba(0,0,0,.5); border-top: 1px solid rgba(255,255,255,.4); transition: background .3s; } .vd__b:hover { background: rgba(255,255,255,.15); } .vd__b b { font-size: clamp(22px, 2vw, 36px); font-weight: 800; letter-spacing: -.04em; }

/* ---------- journal / band ---------- */
.jr__g { display: grid; grid-template-columns: 1.3fr 1fr; gap: 4vw; }
.jr__f, .jr__i { display: grid; gap: 10px; align-content: start; } .jr__f b { font-size: clamp(34px, 3.6vw, 66px); font-weight: 800; letter-spacing: -.055em; line-height: .95; }
.jr__ph { display: block; overflow: hidden; } .jr__ph img { width: 100%; aspect-ratio: 4/3; object-fit: cover; transition: transform 1.2s var(--e); } a:hover .jr__ph img { transform: scale(1.05); }
.jr__l { display: grid; gap: 40px; align-content: start; } .jr__i { grid-template-columns: 1fr 1.2fr; gap: 20px; } .jr__i b { display: block; margin-top: 8px; font-size: clamp(22px, 2vw, 34px); letter-spacing: -.045em; line-height: 1.02; } .jr__i .jr__ph img { aspect-ratio: 1; }
.rb { position: relative; height: 100vh; min-height: 620px; overflow: hidden; color: #fff; }
.rb__img { position: absolute; inset: 0; } .rb__img img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 30%; transform: scale(var(--rs, 1.15)); }
.rb::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(0,0,0,.6), transparent 60%); }
.rb__t { position: absolute; inset: 0; z-index: 1; display: grid; align-content: end; justify-items: start; gap: 22px; padding-bottom: 80px; } .rb__h { font-size: clamp(60px, 8.6vw, 170px); font-weight: 800; letter-spacing: -.07em; line-height: .85; }

/* ---------- page head: an octagonal brilliant window opens ---------- */
.ph { position: relative; height: 180vh; background: var(--bk); }
.ph__st { position: sticky; top: 0; height: 100vh; min-height: 600px; overflow: hidden; }
.ph__img { position: absolute; left: 50%; top: 50%; width: var(--pw2, 44vmin); height: var(--ph2, 44vmin); transform: translate(-50%, -50%); clip-path: polygon(30% 0, 70% 0, 100% 30%, 100% 70%, 70% 100%, 30% 100%, 0 70%, 0 30%); clip-path: polygon(var(--k, 30%) 0, calc(100% - var(--k, 30%)) 0, 100% var(--k, 30%), 100% calc(100% - var(--k, 30%)), calc(100% - var(--k, 30%)) 100%, var(--k, 30%) 100%, 0 calc(100% - var(--k, 30%)), 0 var(--k, 30%)); }
.ph__img img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 35%; transform: scale(var(--s, 1.2)); }
.ph__img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(0,0,0,.6), transparent 55%); opacity: var(--sh, 0); }
.ph__t { position: absolute; left: 0; right: 0; bottom: 46px; z-index: 1; display: grid; gap: 18px; }
.ph__h { font-size: clamp(64px, 11vw, 220px); font-weight: 800; letter-spacing: -.07em; line-height: .84; font-variation-settings: "wght" var(--hw, 820); max-width: 13ch; }
.ph__row { display: flex; justify-content: space-between; align-items: end; gap: 30px; } .ph__l { max-width: 460px; font-size: 17px; }

/* ---------- haute joaillerie ---------- */
.hcs { display: grid; }
.hc { display: grid; grid-template-columns: 1.1fr 1fr; min-height: 92vh; background: var(--c); } .hc:nth-child(even) .hc__ph { order: 2; }
.hc__ph { position: relative; overflow: hidden; } .hc__ph img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 1.6s var(--e); } .hc:hover .hc__ph img { transform: scale(1.05); }
.hc__b { display: grid; align-content: center; gap: 20px; padding: 60px clamp(24px, 4vw, 80px); } .hc__b > b { font-size: clamp(60px, 8vw, 160px); font-weight: 800; letter-spacing: -.07em; line-height: .86; } .hc__b > span:nth-child(3) { max-width: 460px; font-size: 18px; opacity: .85; }
.cpg { background: var(--c); }
.pcs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 60px 2px; margin-top: 30px; } .pcs--3 { margin-top: 30px; }
.pc { position: relative; display: grid; gap: 14px; align-content: start; } .pc.hide { display: none; }
.pc__ph { position: relative; overflow: hidden; aspect-ratio: 4/5; background: #111; } .pc__ph img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--e), clip-path .9s var(--io); }
.pc__alt { clip-path: polygon(50% 50%, 50% 50%, 50% 50%, 50% 50%); } .pc:hover .pc__alt { clip-path: polygon(50% -50%, 150% 50%, 50% 150%, -50% 50%); } .pc:hover .pc__ph img:first-child { transform: scale(1.06); }
.pc__b { display: grid; gap: 6px; padding: 0 4px; } .pc__b b { font-size: clamp(28px, 2.4vw, 46px); font-weight: 800; letter-spacing: -.055em; line-height: .92; } .pc__p { font-size: 18px; font-weight: 300; }
.pc__h { position: absolute; right: 12px; top: 12px; width: 44px; height: 44px; border-radius: 50%; background: #fff; color: #000; font-size: 18px; box-shadow: 0 6px 20px rgba(0,0,0,.25); transition: transform .3s var(--e); } .pc__h:hover { transform: rotate(45deg) scale(1.1); } .pc__h.on { background: #000; color: #fff; }
.flt { display: flex; gap: 22px; flex-wrap: wrap; align-items: center; padding-bottom: 20px; border-bottom: 1px solid var(--ln); } .flt button { font-size: clamp(20px, 1.6vw, 30px); font-weight: 800; letter-spacing: -.04em; font-variation-settings: "wght" 250; } .flt button.on { font-variation-settings: "wght" 820; text-decoration: underline; text-underline-offset: 6px; } .flt__s { margin-left: auto; }
.oc { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; margin-top: 30px; } .oc__i { display: grid; gap: 10px; } .oc__i img { width: 100%; aspect-ratio: 4/3; object-fit: cover; } .oc__i b { font-size: clamp(28px, 2.6vw, 50px); letter-spacing: -.055em; line-height: .95; }

/* ---------- piece page ---------- */
.pp { display: grid; grid-template-columns: 1fr 1fr; min-height: 100vh; background: var(--c); }
.pp__ph { position: relative; overflow: hidden; min-height: 100vh; cursor: zoom-in; } .pp__ph > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; animation: pIn 1.4s var(--e) both; }
@keyframes pIn { from { clip-path: polygon(50% 50%, 50% 50%, 50% 50%, 50% 50%); transform: scale(1.15); } to { clip-path: polygon(50% -50%, 150% 50%, 50% 150%, -50% 50%); transform: none; } }
.pp__lo { position: absolute; left: -999px; top: -999px; width: 240px; height: 240px; border-radius: 50%; border: 2px solid #fff; box-shadow: 0 20px 50px rgba(0,0,0,.5); background-repeat: no-repeat; pointer-events: none; opacity: 0; transform: translate(-50%, -50%) scale(.6); transition: opacity .3s, transform .4s var(--e); } .pp__ph:hover .pp__lo { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.pp__b { display: grid; align-content: center; gap: 22px; padding: 110px clamp(24px, 4vw, 80px) 70px; }
.pp__h { font-size: clamp(60px, 7vw, 140px); font-weight: 800; letter-spacing: -.07em; line-height: .86; } .pp__p { font-size: clamp(32px, 3vw, 56px); font-weight: 300; letter-spacing: -.05em; }
.pass { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid rgba(255,255,255,.25); } .pass div { display: grid; gap: 4px; padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.25); } .pass b { font-size: 19px; letter-spacing: -.02em; }
.hw { height: 90vh; overflow: hidden; } .hw__img, .hw__img img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 30%; }

/* ---------- bridal configurator ---------- */
.rc__g { display: grid; grid-template-columns: 1.1fr 1fr; gap: 5vw; align-items: center; }
.rc__stage { position: relative; aspect-ratio: 1; background: radial-gradient(circle at 50% 40%, #fff, #e3e0da 70%); display: grid; place-items: center; } .rc__svg { width: 86%; height: 86%; } .rc__tag { position: absolute; left: 20px; bottom: 18px; }
.rc__ui { display: grid; gap: 14px; } .rc__ui > .mono { margin-top: 12px; color: var(--g); } .rc__ui input { width: 100%; accent-color: #000; }
.rc__p { display: grid; gap: 4px; margin: 16px 0; } .rc__p b { font-size: clamp(56px, 5.6vw, 110px); font-weight: 800; letter-spacing: -.07em; line-height: .9; }
.ch { display: flex; gap: 2px; flex-wrap: wrap; } .ch button { padding: 12px 18px; border: 1px solid currentColor; font-weight: 650; opacity: .6; } .ch button.on { background: var(--bk); color: #fff; border-color: var(--bk); opacity: 1; }
.faq__g { display: grid; grid-template-columns: .8fr 1.2fr; gap: 6vw; }
.fq { border-top: 1px solid var(--ln); } .fq:last-child { border-bottom: 1px solid var(--ln); }
.fq summary { list-style: none; cursor: pointer; display: grid; grid-template-columns: 50px 1fr 30px; align-items: center; gap: 10px; padding: 26px 0; font-size: clamp(20px, 1.7vw, 30px); font-weight: 650; letter-spacing: -.035em; } .fq summary::-webkit-details-marker { display: none; }
.fq summary i { position: relative; width: 22px; height: 22px; } .fq summary i::before, .fq summary i::after { content: ""; position: absolute; left: 0; right: 0; top: 10px; height: 2px; background: currentColor; transition: transform .4s var(--e); } .fq summary i::after { transform: rotate(90deg); } .fq[open] summary i::after { transform: none; }
.fq p { margin: 0 0 26px 60px; max-width: 620px; font-size: 17px; color: var(--g); }

/* ---------- 4Cs, gemstones, maison ---------- */
.cs, .stp { display: grid; grid-template-columns: 1.1fr 1fr; min-height: 90vh; } .cs--r, .stp--r { grid-template-columns: 1fr 1.1fr; } .cs--r .cs__ph, .stp--r .stp__ph { order: 2; } .cs:nth-child(even), .stp:nth-child(even) { background: var(--iv); color: var(--bk); --g: #6a675f; }
.cs__ph, .stp__ph { position: relative; overflow: hidden; } .cs__ph img, .stp__ph img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.cs__b, .stp__b { display: grid; align-content: center; gap: 18px; padding: 60px clamp(24px, 4vw, 80px); }
.cs__n { font-size: clamp(110px, 13vw, 260px); font-weight: 800; letter-spacing: -.08em; line-height: .78; color: transparent; -webkit-text-stroke: 1.5px currentColor; }
.cs__t, .stp__t { font-size: clamp(50px, 6vw, 120px); font-weight: 800; letter-spacing: -.065em; line-height: .88; }
.gms--page .gm { padding: 140px 0; }
.ht { display: flex; gap: 2px; overflow-x: auto; cursor: grab; margin-top: 30px; scrollbar-width: none; user-select: none; } .ht::-webkit-scrollbar { display: none; }
.ht__i { flex: 0 0 min(420px, 80vw); display: grid; gap: 14px; align-content: start; padding: 30px; background: #fff; } .ht__i b { font-size: clamp(80px, 8vw, 150px); font-weight: 800; letter-spacing: -.08em; line-height: .85; } .ht__i h3 { font-size: 28px; letter-spacing: -.04em; }

/* ---------- boutiques / appointment / article ---------- */
.bqs { display: grid; gap: 70px; } .bqs--2 { grid-template-columns: 1fr 1fr; gap: 2px; margin-top: 30px; }
.bq { display: grid; grid-template-columns: 1.2fr 1fr; gap: 4vw; align-items: center; } .bqs--2 .bq { grid-template-columns: 1fr; gap: 14px; }
.bq__ph { overflow: hidden; } .bq__ph img { width: 100%; aspect-ratio: 16/10; object-fit: cover; transition: transform 1.2s var(--e); } .bq:hover .bq__ph img { transform: scale(1.04); }
.bq__b { display: grid; gap: 14px; } .bq__b > b { font-size: clamp(44px, 5vw, 100px); font-weight: 800; letter-spacing: -.065em; line-height: .88; }
.spec { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--ln); } .spec div { display: grid; gap: 8px; padding: 24px 0; } .spec b { font-size: clamp(44px, 5vw, 100px); font-weight: 800; letter-spacing: -.07em; line-height: .9; font-variant-numeric: tabular-nums; }
.bd__g { display: grid; grid-template-columns: 1fr 1fr; gap: 5vw; align-items: center; } .bd__g > div:last-child { display: grid; gap: 22px; justify-items: start; }
.bd__ph { position: relative; aspect-ratio: 1; } .bd__ph span { position: absolute; display: block; overflow: hidden; } .bd__ph span:first-child { left: 0; top: 0; width: 70%; height: 80%; } .bd__ph span:last-child { right: 0; bottom: 0; width: 46%; height: 50%; box-shadow: 0 30px 60px rgba(0,0,0,.4); } .bd__ph img { width: 100%; height: 100%; object-fit: cover; }
.ap__g { display: grid; grid-template-columns: 1.4fr 1fr; gap: 5vw; align-items: start; }
.ap__f { display: grid; grid-template-columns: 1fr 1fr; gap: 26px 30px; } .ap__f > .ap__o, .ap__f > .cal, .ap__w, .ap__sum, .ap__f .btn, .ap__ok { grid-column: 1 / -1; }
.ap__o { display: grid; gap: 10px; } .ap__f label { display: grid; gap: 8px; } .ap__f input, .ap__f textarea { padding: 14px 0; border: 0; border-bottom: 1.5px solid currentColor; background: transparent; font-size: 20px; outline: none; border-radius: 0; }
.ap__sum { font-size: 26px; font-weight: 700; letter-spacing: -.04em; }
.ap__side { display: grid; gap: 10px; align-content: start; position: sticky; top: 100px; } .ap__ph { aspect-ratio: 3/2; overflow: hidden; } .ap__ph img { width: 100%; height: 100%; object-fit: cover; } .ap__side > b { font-size: 34px; letter-spacing: -.05em; }
.cal__h { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; } .cal__h b { font-size: 22px; } .cal__h button { width: 38px; height: 38px; border: 1px solid rgba(0,0,0,.3); border-radius: 50%; }
.cal__g { display: grid; grid-template-columns: repeat(7, 1fr); gap: 2px; } .cal__g span { font: 500 10px var(--m); text-align: center; color: #888; padding: 6px 0; } .cal__g button { aspect-ratio: 1.6; font-weight: 650; font-size: 15px; background: rgba(0,0,0,.05); } .cal__g button:disabled { opacity: .25; cursor: default; } .cal__g button.on { background: var(--bk); color: #fff; }
.ap__ok, .ft__ok { display: none; } .sent .ap__ok, .sent .ft__ok { display: block; }
.ar__g { display: grid; grid-template-columns: 1.5fr 1fr; gap: 6vw; } .ar__b p { font-size: clamp(20px, 1.6vw, 26px); line-height: 1.5; letter-spacing: -.02em; margin-bottom: 1.2em; } .ar__b p:first-child::first-letter { float: left; font-size: 5.2em; line-height: .8; font-weight: 800; margin: .04em .1em 0 0; }
.ar__s { display: grid; gap: 16px; align-content: start; position: sticky; top: 100px; } .ar__s .pc__b b { font-size: 30px; }
.nf { position: relative; height: 100vh; overflow: hidden; } .nf__img { position: absolute; inset: 0; } .nf__img img { width: 100%; height: 100%; object-fit: cover; filter: brightness(.55); }
.nf__t { position: absolute; inset: 0; display: grid; align-content: center; justify-items: start; gap: 20px; } .nf__h { font-size: clamp(64px, 9vw, 180px); font-weight: 800; letter-spacing: -.07em; line-height: .86; max-width: 12ch; }

/* ---------- footer: a word lit by a moving light ---------- */
.ft { background: var(--bk); padding: clamp(80px, 9vw, 150px) 0 0; overflow: hidden; }
.ft__g { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 4vw; }
.ft__l { display: grid; gap: 20px; align-content: start; } .ft__h { font-size: clamp(28px, 2.6vw, 48px); font-weight: 750; letter-spacing: -.05em; line-height: 1.02; max-width: 17ch; }
.ft__form { display: flex; border-bottom: 1.5px solid #fff; max-width: 460px; } .ft__form input { flex: 1; background: none; border: 0; padding: 16px 0; font-size: 18px; outline: none; } .ft__form button { font-weight: 700; }
.ft__c { display: grid; gap: 10px; align-content: start; } .ft__c a { font-size: 15px; transition: opacity .3s; } .ft__c a:hover { opacity: .6; } .ft__c b { font-weight: 500; }
.ft__w { margin-top: 70px; text-align: center; font-size: calc((min(100vw, var(--max)) - 2 * var(--pad)) / 4.4); font-weight: 900; letter-spacing: -.07em; line-height: .78; color: transparent; background: radial-gradient(circle 22vw at var(--lx, 50%) var(--ly, 50%), #fff 0, #fff 20%, #2a2a2a 70%); -webkit-background-clip: text; background-clip: text; }
.ft__b { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; padding-top: 30px; padding-bottom: 30px; color: var(--g); }

/* ---------- responsive ---------- */
@media (max-width: 1000px) {
  .nv__r .nv__ap, .nv__snd span { display: none; } .nv__lg { font-size: 18px; letter-spacing: .22em; }
  .dm__i b { font-size: 18px; } .dm__i .mono { display: none; }
  .hx__k p:last-child { display: none; } .hx__b { flex-direction: column; align-items: start; gap: 10px; } .hx__end { flex-direction: column; align-items: start; }
  .lab__g { grid-template-columns: 1fr; } .lab__stage { position: relative; height: 64vh; }
  .cl__inf { flex-direction: column; align-items: start; }
  .rg__i { width: 46vw; left: -23vw; top: -30vw; } .rg__stage { height: 64vh; }
  .mu { cursor: auto; } .mu__lens { width: 200px; height: 200px; }
  .gm__g, .br__g, .jr__g, .faq__g, .rc__g, .bd__g, .ar__g, .ap__g, .ft__g { grid-template-columns: 1fr; }
  .vd__bs { grid-template-columns: 1fr; }
  .hc, .pp, .cs, .cs--r, .stp, .stp--r, .bq { grid-template-columns: 1fr; } .hc:nth-child(even) .hc__ph, .cs--r .cs__ph, .stp--r .stp__ph { order: 0; } .hc__ph, .cs__ph, .stp__ph { min-height: 60vh; } .pp__ph { min-height: 70vh; }
  .pcs, .oc, .bqs--2 { grid-template-columns: 1fr 1fr; } .spec { grid-template-columns: 1fr 1fr; }
  .ap__side, .ar__s { position: static; } .hd { grid-template-columns: 1fr; }
  .at__cols { grid-template-columns: 1fr 1fr; } .at__col:nth-child(3) { display: none; }
}
@media (max-width: 600px) {
  .nv__ec { font-size: 0; } .nv__ec b { font-size: 11px; }
  .pcs, .oc, .bqs--2, .ap__f { grid-template-columns: 1fr; }
  .fq summary { grid-template-columns: 36px 1fr 26px; } .fq p { margin-left: 46px; }
  .ph__row { flex-direction: column; align-items: start; }
  .gm__ps a { width: 90px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; } }
@media (max-width: 700px) { .cl__n { white-space: normal; font-size: 17vw; line-height: .9; padding: 0 var(--pad); } }

/* ---------- visible, obvious sliders (all pages) ---------- */
input[type=range] { -webkit-appearance: none; appearance: none; width: 100%; height: 36px; background: transparent; cursor: pointer; color: #fafafa; --v: 50%; }
.iv input[type=range], .rc input[type=range] { color: #0a0a0a; }
input[type=range]::-webkit-slider-runnable-track { height: 6px; border-radius: 3px; background: linear-gradient(90deg, currentColor 0 var(--v), color-mix(in srgb, currentColor 22%, transparent) var(--v) 100%); }
input[type=range]::-moz-range-track { height: 6px; border-radius: 3px; background: color-mix(in srgb, currentColor 22%, transparent); }
input[type=range]::-moz-range-progress { height: 6px; border-radius: 3px; background: currentColor; }
input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 30px; height: 30px; margin-top: -12px; border-radius: 50%; background: currentColor; border: 6px solid #050505; box-shadow: 0 0 0 1.5px currentColor, 0 6px 18px rgba(0,0,0,.4); cursor: grab; transition: transform .2s; }
input[type=range]::-moz-range-thumb { width: 18px; height: 18px; border-radius: 50%; background: currentColor; border: 6px solid #050505; box-shadow: 0 0 0 1.5px currentColor; cursor: grab; }
.iv input[type=range]::-webkit-slider-thumb, .rc input[type=range]::-webkit-slider-thumb { border-color: #f2f0ec; }
input[type=range]:hover::-webkit-slider-thumb { transform: scale(1.15); } input[type=range]:active::-webkit-slider-thumb { cursor: grabbing; transform: scale(1.25); }
input[type=range]:focus-visible { outline: none; } input[type=range]:focus-visible::-webkit-slider-thumb { box-shadow: 0 0 0 3px currentColor; }
.lab__hint { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border: 1px dashed rgba(255,255,255,.4); }
.lab__hint i { font-style: normal; animation: nudge 1.4s var(--io) infinite; } @keyframes nudge { 50% { transform: translateX(8px); } }
.lab__sc { margin-top: 2px; } .lab__h .mono { font-size: 20px; font-weight: 500; }