/* Atelier Diamant (ورشة الألماس) — dark gem-grading certificate, ar-JO RTL. Velvet black, diamond white, one sapphire light. */
:root {
  --velours: #0C0A10;
  --ecrin: #1A1722;
  --ecrin-2: #221E2C;
  --blanc: #F4F6FA;
  --gris: #B8BCCB;
  --saphir: #2448E0;
  --saphir-pale: #8FA6FF;
  --trait: rgba(244, 246, 250, .16);
  --trait-fort: rgba(244, 246, 250, .38);
  --feu: linear-gradient(90deg, #8FA6FF, #A98BFF 22%, #FF8FB8 40%, #FFD38F 55%, #9BF0C4 72%, #8FE3FF 88%, #8FA6FF);
  --col: 48rem;
  --wide: 62rem;
  --display: 'Ruwudu', 'Cairo Play', serif;
  --body: 'Cairo Play', system-ui, sans-serif;
  --r: 4px;
}
*, *::before, *::after { box-sizing: border-box; }
html {
  background: var(--velours);
  color: var(--blanc);
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background:
    linear-gradient(180deg, rgba(12, 10, 16, .55) 0, var(--velours) 52rem),
    url(../img/bg-velvet-1600.webp) center top / 140rem auto no-repeat,
    var(--velours);
  font: 400 1.125rem/1.85 var(--body);
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; height: auto; }
a { color: var(--saphir-pale); text-underline-offset: .2em; text-decoration-thickness: 1px; }
a:hover { color: var(--blanc); }
:focus-visible { outline: 2px solid var(--saphir-pale); outline-offset: 3px; border-radius: 2px; }
p { margin: 0 0 1em; }
h1, h2 { font-family: var(--display); font-weight: 700; line-height: 1.5; margin: 0; }
h3 { font: 700 1.125rem/1.6 var(--body); margin: 0 0 .4em; }
.skip { position: absolute; inset-inline-start: -999px; top: .5rem; background: var(--blanc); color: var(--velours); padding: .5rem .9rem; z-index: 20; }
.skip:focus { inset-inline-start: .5rem; }

/* ---------- masthead ---------- */
.masthead { border-bottom: 1px solid var(--trait); background: rgba(12, 10, 16, .82); position: relative; z-index: 5; }
.masthead-in { max-width: var(--wide); margin: 0 auto; padding: .7rem 1rem; display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: .6rem; color: var(--blanc); text-decoration: none; margin-inline-end: auto; }
.brand .mark { width: 2rem; color: var(--saphir-pale); }
.brand-name { font-family: var(--display); font-weight: 700; font-size: 1.9rem; line-height: 1.2; }
.menu ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .2rem 1.2rem; }
.menu a { color: var(--gris); text-decoration: none; font-size: .9375rem; font-weight: 700; padding: .4rem 0; display: inline-block; border-bottom: 1px solid transparent; }
.menu a:hover, .menu a[aria-current="page"] { color: var(--blanc); border-bottom-color: var(--saphir-pale); }
.menu-btn { display: none; }
@media (max-width: 60rem) {
  .js .menu-btn { display: inline-flex; align-items: center; gap: .55rem; background: none; border: 1px solid var(--trait-fort); color: var(--blanc); font: 700 .9375rem var(--body); padding: .45rem .9rem; border-radius: 99px; cursor: pointer; min-height: 44px; }
  .menu-ico, .menu-ico::before { display: block; width: 16px; height: 1.5px; background: currentColor; position: relative; transition: transform .25s; }
  .menu-ico::before { content: ""; position: absolute; top: 5px; }
  .menu-ico { margin-top: -5px; }
  .menu-btn[aria-expanded="true"] .menu-ico { transform: translateY(3px) rotate(45deg); }
  .menu-btn[aria-expanded="true"] .menu-ico::before { transform: translateY(-5px) rotate(-90deg); }
  .menu { width: 100%; }
  .js .menu { display: none; }
  .js .menu.is-open { display: block; }
  .menu ul { flex-direction: column; gap: 0; padding: .3rem 0 .6rem; }
  .menu li + li { border-top: 1px solid var(--trait); }
  .menu a { display: block; padding: .7rem 0; font-size: 1rem; }
}

/* ---------- certificate ---------- */
.cert { max-width: var(--wide); margin: 2.5rem auto 0; padding: 0 1rem; }
.cert-frame {
  max-width: var(--col);
  margin: 0 auto;
  border: 1px solid var(--trait-fort);
  outline: 1px solid var(--trait);
  outline-offset: 5px;
  background: linear-gradient(180deg, rgba(26, 23, 34, .94), rgba(12, 10, 16, .96));
  padding: 0 0 2rem;
  position: relative;
}
.cert--home .cert-frame { max-width: var(--wide); }
.cert-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(9.5rem, 1fr)); margin: 0; border-bottom: 1px solid var(--trait-fort); }
.cert-row > div { padding: .7rem 1rem; border-inline-end: 1px solid var(--trait); }
.cert-row > div:last-child { border-inline-end: 0; }
.cert-row dt, .eyebrow, .verdict-k, .note-k, .calc-k, .report-ref, .cert-mini-k, .loupe-k, .ecrin-kicker, .obs-n {
  font: 700 .875rem/1.5 var(--body); color: var(--saphir-pale);
}
.cert-row dd { margin: .1rem 0 0; font-size: 1rem; color: var(--blanc); }
.hero { position: relative; border-bottom: 1px solid var(--trait); }
.hero-img { width: 100%; aspect-ratio: 16 / 8; object-fit: cover; object-position: 62% 30%; }
.cert-title { padding: 2.2rem clamp(1rem, 5vw, 3.5rem) 0; max-width: 46rem; margin: 0 auto; text-align: center; }
.cert-title h1 { font-size: clamp(2.1rem, 5.6vw, 3.7rem); margin: .7rem 0 1.1rem; text-wrap: balance; }
.cert-title .eyebrow a { color: inherit; }
.lead { font-size: 1.1875rem; color: var(--gris); }
.verdict { margin: 1.6rem clamp(1rem, 5vw, 3.5rem) 0; border: 1px solid var(--trait-fort); padding: 1.2rem 1.4rem; position: relative; max-width: 40rem; }
.cert--home .verdict, .cert--report .verdict { margin-inline: auto; }
.verdict::before { content: ""; position: absolute; inset: -1px -1px auto; height: 2px; background: var(--feu); opacity: .85; }
.verdict p:last-child { margin: .5rem 0 0; }
.specs { display: grid; grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr)); gap: 0; margin: 1.8rem clamp(1rem, 5vw, 3.5rem) 0; border-top: 1px solid var(--trait); }
.specs > div { padding: 1rem .2rem 0; }
.specs dt { font-size: .9375rem; color: var(--gris); }
.specs dd { margin: 0; }
.spec-v { display: block; font-family: var(--display); font-weight: 700; font-size: 2.2rem; line-height: 1.5; color: var(--blanc); }
.spec-n { display: block; font-size: .9375rem; line-height: 1.7; color: var(--gris); }

/* ---------- facet diagram ---------- */
.coupe { max-width: var(--wide); margin: 4.5rem auto 0; padding: 0 1rem; text-align: center; }
.coupe h2, .cert-sec h2, .obs h2 { font-size: clamp(1.8rem, 4.2vw, 2.6rem); margin: .5rem 0 1.2rem; text-wrap: balance; }
.coupe-grid { display: grid; grid-template-columns: minmax(0, 1fr) 14rem; gap: 2rem; align-items: center; max-width: 52rem; margin: 1.5rem auto 0; text-align: start; }
.facets { width: 100%; max-width: 34rem; margin: 0 auto; }
.f-ring { fill: none; stroke: var(--trait); stroke-dasharray: 2 6; }
.f-deco polygon { stroke: rgba(244, 246, 250, .32); stroke-width: 1; stroke-linejoin: round; }
.f-table { fill: rgba(36, 72, 224, .14); }
.f-star { fill: rgba(244, 246, 250, .05); }
.f-girdle { fill: rgba(244, 246, 250, .025); }
.f-girdle-b { fill: rgba(143, 166, 255, .05); }
.kite polygon { fill: rgba(26, 23, 34, .9); stroke: var(--trait-fort); stroke-width: 1.2; transition: fill .3s; }
.kite text { fill: var(--blanc); font: 700 17px var(--body); pointer-events: none; }
.kite:hover polygon, .kite:focus-visible polygon, .kite.is-lit polygon { fill: var(--saphir); }
.kite:focus-visible { outline: none; }
.kite:focus-visible polygon { stroke: var(--blanc); stroke-width: 2.5; }
.coupe-legend { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--trait); }
.coupe-legend li { border-bottom: 1px solid var(--trait); }
.coupe-legend a { display: flex; justify-content: space-between; padding: .6rem .2rem; color: var(--blanc); text-decoration: none; font-size: 1.0625rem; }
.coupe-legend a::after { content: "←"; color: var(--saphir-pale); transition: transform .2s; }
.coupe-legend a:hover::after, .coupe-legend a.is-lit::after { transform: translateX(-4px); }
.coupe-legend a.is-lit { color: var(--saphir-pale); }
.scale { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); padding: 0; margin: 2.5rem auto 0; max-width: 40rem; position: relative; padding-top: .9rem; }
.scale::before { content: ""; position: absolute; inset-inline: 0; top: 0; height: 2px; background: var(--feu); }
.scale li { font: 700 .9375rem/1.4 var(--body); color: var(--gris); border-inline-start: 1px solid var(--trait-fort); padding-block: .1rem 0; padding-inline: .5rem 0; text-align: start; }
.scale-cap { max-width: 34rem; margin: .9rem auto 0; font-size: .9375rem; color: var(--gris); }

/* ---------- document column ---------- */
.doc { max-width: var(--col); margin: 0 auto; padding: 0 1rem 4rem; }
.cert-sec, .obs, .next-reports { padding-top: 4rem; margin-top: 4rem; border-top: 1px solid var(--trait); position: relative; }
.cert-sec::before, .obs::before { content: ""; position: absolute; top: -4px; left: 50%; width: 7px; height: 7px; background: var(--velours); border: 1px solid var(--trait-fort); transform: translateX(-50%) rotate(45deg); }
.doc > :first-child { margin-top: 3rem; }
.cert-sec ul, .cert-sec ol { padding-inline-start: 1.4rem; }
.facet-list { list-style: none; padding: 0 !important; }
.facet-list li { position: relative; padding-block: .55rem; padding-inline: 1.6rem 0; border-bottom: 1px solid var(--trait); }
.facet-list li::before { content: ""; position: absolute; inset-inline-start: .15rem; top: 1.2rem; width: 8px; height: 8px; border: 1px solid var(--saphir-pale); transform: rotate(45deg); }
.steps { list-style: none; counter-reset: s; padding: 0 !important; margin: 1.5rem 0; }
.steps li { counter-increment: s; position: relative; padding-block: 0 1.2rem; padding-inline: 3.4rem 0; }
.steps li::before { content: counter(s); position: absolute; inset-inline-start: -.15rem; top: -.45rem; width: 2.6rem; height: 2.6rem; display: grid; place-items: center; font: 700 .95rem var(--body); color: #fff; background: var(--saphir); clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%); }
.steps li::after { content: ""; position: absolute; inset-inline-start: 1.12rem; top: 2.4rem; bottom: .2rem; width: 1px; background: var(--trait); }
.steps li:last-child::after { display: none; }
.steps p { color: var(--gris); margin: 0; }
.table-wrap { overflow-x: auto; margin: 1.5rem 0; border: 1px solid var(--trait-fort); }
table { border-collapse: collapse; width: 100%; font-size: 1rem; min-width: 30rem; }
caption { text-align: start; padding: .8rem 1rem; font-size: .9375rem; color: var(--gris); border-bottom: 1px solid var(--trait); }
th, td { padding: .7rem 1rem; text-align: start; vertical-align: top; border-bottom: 1px solid var(--trait); }
thead th { font: 700 .9375rem/1.5 var(--body); color: var(--saphir-pale); background: var(--ecrin); }
tbody th { font-weight: 700; color: var(--blanc); }
tbody tr:last-child > * { border-bottom: 0; }
.note, .calc { margin: 1.6rem 0; padding-block: 1.2rem; padding-inline: 2.6rem 1.3rem; background: var(--ecrin); border: 1px solid var(--trait); position: relative; }
.note::before { content: ""; position: absolute; inset-inline-start: 1.05rem; top: 1.6rem; width: 9px; height: 9px; background: var(--saphir-pale); transform: rotate(45deg); }
.calc { padding-inline-start: 1.3rem; border: 1px dashed var(--trait-fort); background: transparent; font-variant-numeric: tabular-nums; }
.note p:last-child, .calc p:last-child { margin: 0; color: var(--gris); }
.note h3, .calc h3 { margin-top: .4rem; }
.wide-fig, .report-fig { margin: 2rem 0; }
.wide-fig img, .report-fig img { width: 100%; border: 1px solid var(--trait); }
.report-fig { max-width: var(--wide); margin: 2.5rem auto 0; padding: 0 1rem; }
.report-fig img { aspect-ratio: 21 / 9; object-fit: cover; }

/* trays */
.trays { list-style: none; padding: 0 !important; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin: 1.5rem 0; }
.tray { background: radial-gradient(120% 90% at 50% 0%, #2A2536, var(--ecrin) 60%); border: 1px solid var(--trait); border-radius: 14px; padding: 1.3rem 1.2rem 1.1rem; box-shadow: inset 0 0 0 6px rgba(12, 10, 16, .55); }
.tray-gem { display: block; width: 26px; height: 22px; margin-bottom: .8rem; background: linear-gradient(135deg, #fff, #c9d3ff 45%, var(--saphir) 100%); clip-path: polygon(20% 0, 80% 0, 100% 32%, 50% 100%, 0 32%); }
.tray:nth-child(2) .tray-gem { background: linear-gradient(135deg, #c9d3ff, var(--saphir)); }
.tray:nth-child(3) .tray-gem { background: var(--feu); }
.tray:nth-child(4) .tray-gem { background: linear-gradient(135deg, #fff, #6c7bb0); }
.tray p { margin: 0; color: var(--gris); font-size: 1rem; }

/* loupe paytable */
.loupe { margin: 2rem 0; position: relative; }
.loupe-img img { width: 100%; border: 1px solid var(--trait); }
.loupe-lens { position: relative; margin: -5rem auto 0; width: min(24rem, 92%); background: rgba(12, 10, 16, .94); border: 2px solid #C9CEDB; border-radius: 50% / 22%; padding: 1.6rem 1.6rem 1.4rem; box-shadow: 0 0 0 6px rgba(26, 23, 34, .9), 0 0 0 7px var(--trait-fort), 0 20px 50px rgba(0, 0, 0, .6); text-align: center; }
.loupe-lens dl { margin: .7rem 0 0; text-align: start; }
.loupe-lens dl > div { display: flex; justify-content: space-between; gap: .8rem; padding: .45rem 0; border-bottom: 1px solid var(--trait); font-size: .9375rem; }
.loupe-lens dl > div:last-child { border-bottom: 0; }
.loupe-lens dt { font-weight: 700; display: flex; align-items: center; gap: .5rem; white-space: nowrap; }
.loupe-lens dd { margin: 0; color: var(--gris); text-align: end; }
.sym { width: 14px; height: 12px; display: inline-block; clip-path: polygon(20% 0, 80% 0, 100% 32%, 50% 100%, 0 32%); background: #fff; }
.sym-w { background: var(--feu); }
.sym-7 { background: var(--saphir-pale); clip-path: polygon(0 0, 100% 0, 100% 22%, 55% 100%, 30% 100%, 70% 22%, 0 22%); }
.sym-b { background: #C9CEDB; clip-path: inset(30% 0 30% 0); }
.loupe figcaption { font-size: .9375rem; color: var(--gris); text-align: center; margin-top: .9rem; }

/* grader */
.grader { display: none; }
.js .grader { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 0; border: 1px solid var(--trait-fort); margin: 2rem 0 0; background: var(--ecrin); }
.js .nojs-note { display: none; }
.nojs-note { font-size: 1rem; color: var(--gris); border: 1px dashed var(--trait-fort); padding: .9rem 1rem; }
.grader-form { padding: 1.4rem; border-inline-end: 1px solid var(--trait); }
.grader-name { margin: 0 0 1.2rem; }
.grader-name label, .g-label label { display: block; font-weight: 700; font-size: 1rem; }
.grader-name label span, .g-label label span { font-weight: 400; color: var(--gris); }
.grader-name input { width: 100%; margin-top: .4rem; background: var(--velours); color: var(--blanc); border: 1px solid var(--trait-fort); border-radius: var(--r); padding: .6rem .7rem; font: inherit; font-size: .9375rem; }
.grader-name input::placeholder { color: #8C90A0; }
.g-field { padding: .9rem 0; border-top: 1px solid var(--trait); }
.g-label { display: flex; justify-content: space-between; align-items: baseline; gap: .8rem; flex-wrap: wrap; margin: 0 0 .5rem; }
.g-label output { font-size: .9375rem; font-weight: 700; color: var(--saphir-pale); }
.g-ends { display: flex; justify-content: space-between; gap: 1rem; font-size: .875rem; line-height: 1.5; color: var(--gris); margin: .35rem 0 0; }
input[type="range"] { -webkit-appearance: none; appearance: none; width: 100%; height: 28px; background: transparent; margin: 0; cursor: pointer; }
input[type="range"]::-webkit-slider-runnable-track { height: 3px; background: linear-gradient(to left, var(--saphir) var(--fill, 33%), var(--trait-fort) var(--fill, 33%)); }
input[type="range"]::-moz-range-track { height: 3px; background: var(--trait-fort); }
input[type="range"]::-moz-range-progress { height: 3px; background: var(--saphir); }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 20px; height: 20px; margin-top: -8.5px; background: var(--blanc); border: 3px solid var(--saphir); transform: rotate(45deg); border-radius: 3px; }
input[type="range"]::-moz-range-thumb { width: 15px; height: 15px; background: var(--blanc); border: 3px solid var(--saphir); transform: rotate(45deg); border-radius: 3px; }
input[type="range"]:focus-visible { outline: 2px solid var(--saphir-pale); outline-offset: 4px; }
.g-actions { display: flex; flex-wrap: wrap; gap: .6rem; margin: 1.2rem 0 0; }
.grader-out { padding: 1.4rem; display: flex; flex-direction: column; background: radial-gradient(90% 60% at 50% 20%, rgba(36, 72, 224, .22), transparent 70%); }
.stone { width: 100%; max-width: 17rem; margin: 0 auto .4rem; overflow: visible; }
.stone-body { transform-origin: 150px 150px; transition: transform .5s cubic-bezier(.2, .8, .2, 1); }
.stone-body polygon { stroke: rgba(12, 10, 16, .5); stroke-width: .8; stroke-linejoin: round; transition: fill .4s; }
.stone-fire line { stroke-width: 2; stroke-linecap: round; transition: opacity .4s; }
.cert-mini { border-top: 1px solid var(--trait-fort); padding-top: 1rem; }
.cert-mini-name { font-family: var(--display); font-weight: 700; font-size: 1.9rem; line-height: 1.5; margin: .3rem 0 .6rem; overflow-wrap: anywhere; }
.scale--mini { margin: .4rem 0 .6rem; max-width: none; }
.scale--mini li { font-size: .8125rem; padding-inline-start: .35rem; }
.scale--mini li.is-on { color: var(--blanc); }
.cert-mini-grade { font-weight: 700; color: var(--saphir-pale); margin-bottom: .4rem; }
.cert-mini p { font-size: 1rem; }
.cert-mini-foot { font-size: .875rem !important; color: var(--gris); margin: 0; }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: .6rem 1.2rem; background: var(--saphir); color: #fff; border: 1px solid var(--saphir); border-radius: 99px; font: 700 1rem/1.4 var(--body); text-decoration: none; cursor: pointer; transition: background .2s, color .2s; }
.btn:hover { background: #1A37B8; color: #fff; }
.btn-ghost { background: transparent; color: var(--blanc); border-color: var(--trait-fort); }
.btn-ghost:hover { background: var(--ecrin-2); }

/* reports */
.reports { list-style: none; padding: 0 !important; display: grid; gap: 1rem; margin: 1.5rem 0 0; }
.report-card { border: 1px solid var(--trait-fort); padding: 1.3rem 1.4rem; position: relative; background: linear-gradient(180deg, var(--ecrin), transparent); transition: border-color .25s; }
.report-card:hover, .report-card:focus-within { border-color: var(--saphir-pale); }
.report-card h3 { font-family: var(--display); font-weight: 700; font-size: 1.7rem; line-height: 1.5; margin: .5rem 0 .7rem; }
.report-card h3 a { color: var(--blanc); text-decoration: none; }
.report-card h3 a::after { content: ""; position: absolute; inset: 0; }
.report-card p { color: var(--gris); font-size: 1rem; }
.report-go { margin: 0; font-weight: 700; color: var(--saphir-pale) !important; font-size: .9375rem !important; }
.report-go::after { content: " ←"; }

/* observations (faq) */
.obs-list { list-style: none; padding: 0; margin: 1.5rem 0 0; }
.obs-list li { display: grid; grid-template-columns: 5.5rem minmax(0, 1fr); gap: 0 1rem; padding: 1.2rem 0; border-top: 1px solid var(--trait); }
.obs-n { grid-row: span 2; margin: .15rem 0 0; }
.obs-list p:last-child { color: var(--gris); margin: 0; }
.next-reports ul { list-style: none; padding: 0; margin: 1rem 0 1.5rem; }
.next-reports li { border-bottom: 1px solid var(--trait); }
.next-reports li a { display: block; padding: .8rem 0; color: var(--blanc); text-decoration: none; }
.next-reports li a:hover { color: var(--saphir-pale); }
.lost { list-style: none; padding: 0; margin: 2rem auto 0; max-width: 26rem; }
.lost li { border-top: 1px solid var(--trait); }
.lost a { display: block; padding: .8rem 0; text-align: center; }

/* ---------- promo: the ring box ---------- */
.ecrin { margin: 2.5rem 0; padding-top: 4.5rem; perspective: 1100px; }
.ecrin-box { position: relative; max-width: 34rem; margin: 0 auto; }
.ecrin-inside {
  position: relative; display: grid; grid-template-columns: 9.5rem minmax(0, 1fr); gap: 1.2rem; align-items: center;
  padding-block: 1.4rem; padding-inline: 1.2rem 1.4rem;
  background: linear-gradient(180deg, #11152E, #0E1024);
  border: 1px solid var(--trait-fort); border-bottom: 0; border-radius: 22px 22px 0 0;
  box-shadow: inset 0 0 0 5px var(--ecrin), inset 0 0 0 6px rgba(143, 166, 255, .45);
}
.ecrin-art { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 50%; border: 1px solid var(--trait-fort); }
.ecrin-set { position: relative; }
.ecrin-code {
  font-family: var(--display); font-weight: 700; font-size: clamp(1.7rem, 4vw, 2.1rem); line-height: 1.5; color: var(--blanc);
  margin: .5rem 0 1rem; padding: .7rem .9rem; border: 1.5px solid var(--blanc);
  border-radius: 2px;
  background: rgba(244, 246, 250, .04);
}
.ecrin-base { margin: 0; padding: .8rem 1.2rem; text-align: center; font-size: .9375rem; font-weight: 700; color: var(--blanc); background: linear-gradient(180deg, var(--ecrin-2), var(--ecrin)); border: 1px solid var(--trait-fort); border-top: 1px solid var(--saphir-pale); border-radius: 0 0 14px 14px; }
.ecrin-lid {
  position: absolute; left: -2px; right: -2px; top: -4.4rem; height: 4.4rem;
  background: radial-gradient(120% 80% at 50% 0%, #2B2638, var(--ecrin) 55%, #121018);
  border: 1px solid var(--trait-fort); border-bottom: 1px solid var(--saphir-pale);
  border-radius: 40px 40px 4px 4px;
  transform-origin: 50% 100%; transform: none;
  transition: transform .8s cubic-bezier(.3, .7, .2, 1), opacity .8s;
  display: grid; place-items: center; z-index: 2;
  pointer-events: none;
}
.ecrin-clasp { position: absolute; bottom: -7px; left: 50%; width: 22px; height: 12px; margin-left: -11px; background: var(--saphir); border-radius: 0 0 6px 6px; }
.ecrin-engrave { font: 700 .9375rem var(--body); color: var(--gris); }
.ecrin:hover .ecrin-lid, .ecrin:focus-within .ecrin-lid { transform: translateY(-.6rem) rotateX(38deg); }
@media (hover: none), (max-width: 40rem) {
  .ecrin-lid { transform: none; }
}
@media (max-width: 40rem) {
  .ecrin-inside { grid-template-columns: 1fr; text-align: center; }
  .ecrin-art { max-width: 8.5rem; margin: 0 auto; }
}

/* ---------- footer ---------- */
.foot { border-top: 1px solid var(--trait-fort); background: #08070B; margin-top: 2rem; }
.foot-in { max-width: var(--col); margin: 0 auto; padding: 2.5rem 1rem 3rem; font-size: .9375rem; color: var(--gris); }
.foot-brand { display: flex; align-items: center; gap: .5rem; color: var(--blanc); font-family: var(--display); font-weight: 700; font-size: 1.9rem; line-height: 1.4; }
.foot-brand .mark { width: 1.6rem; color: var(--saphir-pale); }
.foot-age strong { display: inline-block; border: 1px solid var(--blanc); color: var(--blanc); padding: 0 .4rem; margin-inline-end: .4rem; border-radius: 3px; }
.foot-links { list-style: none; padding: 0; margin: 1.2rem 0 0; display: flex; flex-wrap: wrap; gap: .4rem 1.4rem; }
.foot-links a { display: inline-block; padding: .3rem 0; }

/* ---------- responsive ---------- */
@media (max-width: 52rem) {
  .coupe-grid { grid-template-columns: 1fr; }
  .coupe-legend { columns: 2; column-gap: 1.2rem; }
  .coupe-legend li { break-inside: avoid; }
  .js .grader { grid-template-columns: 1fr; }
  .grader-form { border-inline-end: 0; border-bottom: 1px solid var(--trait); }
}
@media (max-width: 36rem) {
  body { font-size: 1.0625rem; }
  .brand-name { font-size: 1.6rem; }
  .hero-img { aspect-ratio: 4 / 3; }
  .trays { grid-template-columns: 1fr; }
  .cert-row > div { border-inline-end: 0; border-bottom: 1px solid var(--trait); }
  .cert-row > div:last-child { border-bottom: 0; }
  .obs-list li { grid-template-columns: 1fr; }
  .obs-n { grid-row: auto; margin-bottom: .3rem; }
  .coupe-legend { columns: 1; }
  .loupe-lens { margin-top: 1rem; border-radius: 22px; }
  .scale li { font-size: .8125rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}

/* ---------- print: the grading report only ---------- */
@media print {
  body.printing > *:not(main), body.printing main > *:not(.doc), body.printing .doc > *:not(#classeur) { display: none !important; }
  body.printing #classeur > *:not(.grader) { display: none !important; }
  body.printing, body.printing .grader, body.printing .grader-out { background: #fff !important; color: #000 !important; }
  body.printing .grader { display: grid !important; grid-template-columns: 1fr 1fr; border: 2px double #000; }
  body.printing .g-actions, body.printing .grader-name input { display: none; }
  body.printing * { color: #000 !important; }
}
.cert--report .cert-title h1, .cert--plain .cert-title h1 { font-size: clamp(2.3rem, 5vw, 3.4rem); }

/* RTL helpers */
bdi[dir="ltr"] { unicode-bidi: isolate; }
.cert-row dd bdi, .report-ref bdi { font-family: var(--body); }
/* Cairo Play is a colour font: its digits use a built-in palette. Recolour every palette slot to sapphire so numbers read as one cut stone. */
@font-palette-values --saphir {
  font-family: 'Cairo Play';
  override-colors: 0 #8FA6FF, 1 #8FA6FF, 2 #8FA6FF, 3 #8FA6FF, 4 #8FA6FF, 5 #8FA6FF, 6 #8FA6FF, 7 #8FA6FF, 8 #8FA6FF, 9 #8FA6FF, 10 #8FA6FF, 11 #8FA6FF, 12 #8FA6FF, 13 #8FA6FF, 14 #8FA6FF, 15 #8FA6FF;
}
body, .btn, input, button { font-palette: --saphir; }
@media print { body { font-palette: normal; } }