/* Volta Mobile — design system « atelier technique ». Toutes les valeurs viennent de DESIGN.md. */
@font-face { font-family: "Big Shoulders Display"; src: url("fonts/big-shoulders-display-700.woff2") format("woff2"); font-weight: 700; font-display: swap; }
@font-face { font-family: "Big Shoulders Display"; src: url("fonts/big-shoulders-display-900.woff2") format("woff2"); font-weight: 900; font-display: swap; }
@font-face { font-family: "Figtree"; src: url("fonts/figtree-400.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Figtree"; src: url("fonts/figtree-500.woff2") format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Figtree"; src: url("fonts/figtree-600.woff2") format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Figtree"; src: url("fonts/figtree-700.woff2") format("woff2"); font-weight: 700; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url("fonts/ibm-plex-mono-500.woff2") format("woff2"); font-weight: 500; font-display: swap; }

:root {
  --alu: #e9ecee;
  --alu-2: #dde1e4;
  --paper: #ffffff;
  --ink: #111315;
  --steel: #4b545c;
  --rule: #c3c9ce;
  --volt: #ff5b14;
  --ok: #1d7a46;
  --warn: #9a5b00;
  --r-sm: 6px;
  --r-md: 12px;
  --r-lg: 20px;
  --r-pill: 999px;
  --shadow: 0 1px 0 var(--rule), 0 12px 32px -18px rgba(17, 19, 21, .35);
  --display: "Big Shoulders Display", "Arial Narrow", sans-serif;
  --sans: "Figtree", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --wrap: 1200px;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--alu); color: var(--ink); font: 400 1.0625rem/1.6 var(--sans); -webkit-font-smoothing: antialiased; }
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-underline-offset: 3px; }
h1, h2, h3 { margin: 0; font-family: var(--display); font-weight: 900; line-height: .95; letter-spacing: 0; text-transform: none; text-wrap: balance; }
h1 { font-size: clamp(3rem, 8vw, 6rem); }
h2 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h3 { font-family: var(--sans); font-size: 1.15rem; font-weight: 700; line-height: 1.25; }
p { margin: 0; }
.mono { font-family: var(--mono); font-weight: 500; font-variant-numeric: tabular-nums; }
.muted { color: var(--steel); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
:focus-visible { outline: 3px solid var(--ink); outline-offset: 3px; }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding-inline: 16px; }
@media (min-width: 720px) { .wrap { padding-inline: 32px; } }
section[id] { scroll-margin-top: 80px; }

/* Bandeau démo, lien d'évitement */
.demo { margin: 0; padding: 8px 16px; background: var(--ink); color: var(--paper); font-size: .85rem; text-align: center; }
.skip { position: absolute; left: -999px; top: 8px; z-index: 50; padding: 10px 14px; background: var(--volt); color: var(--ink); font-weight: 700; border-radius: var(--r-sm); }
.skip:focus { left: 8px; }

/* Boutons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 22px; border: 2px solid var(--volt); border-radius: var(--r-pill);
  background: var(--volt); color: var(--ink); font: 700 1rem var(--sans); text-decoration: none; cursor: pointer;
  transition: background .2s, color .2s, border-color .2s, transform .15s;
}
.btn:hover { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.btn:active { transform: scale(.97); }
.btn--ghost { background: transparent; border-color: var(--ink); }
.btn--ghost:hover { background: var(--ink); }
.btn[disabled] { opacity: .45; cursor: not-allowed; }
.link-arrow { font-weight: 700; }

/* En-tête */
.top { position: sticky; top: 0; z-index: 30; background: rgba(233, 236, 238, .92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--rule); }
.top__in { display: flex; align-items: center; gap: 20px; min-height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-family: var(--display); font-weight: 900; font-size: 1.6rem; letter-spacing: .01em; }
.brand__mark { width: 30px; height: 30px; flex: none; }
.nav { margin-left: auto; }
.nav__toggle { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 14px; border: 2px solid var(--ink); border-radius: var(--r-pill); background: transparent; font: 700 .95rem var(--sans); cursor: pointer; }
.nav__list { list-style: none; margin: 0; padding: 0; }
.nav__list a { display: block; padding: 12px 0; text-decoration: none; font-weight: 600; }
.nav__list a[aria-current="page"] { text-decoration: underline; text-decoration-color: var(--volt); text-decoration-thickness: 3px; text-underline-offset: 6px; }
.top .btn { display: none; }
@media (max-width: 1023px) {
  .nav__list { position: absolute; left: 0; right: 0; top: 100%; padding: 8px 16px 20px; background: var(--alu); border-bottom: 1px solid var(--rule); box-shadow: var(--shadow); }
  .nav__list li + li { border-top: 1px solid var(--rule); }
  .nav__toggle[aria-expanded="false"] + .nav__list { display: none; }
}
@media (min-width: 1024px) {
  .nav__toggle { display: none; }
  .nav__list { display: flex; gap: 28px; }
  .top .btn { display: inline-flex; min-height: 44px; }
}

/* Sections */
.section { padding-block: 72px; }
.section--alt { background: var(--alu-2); }
.section--ink { background: var(--ink); color: var(--paper); }
.section__head { display: grid; gap: 14px; max-width: 60ch; margin-bottom: 36px; }
.section__head p { color: var(--steel); }
.section--ink .section__head p { color: #c3c9ce; }
@media (min-width: 1024px) { .section { padding-block: 104px; } }

/* Hero et schéma éclaté */
.hero { position: relative; overflow: hidden; padding-block: 40px 56px; }
.hero__in { display: grid; gap: 40px; align-items: center; }
.hero__lead { margin-top: 18px; max-width: 48ch; font-size: 1.15rem; color: var(--steel); }
.hero__cta { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 12px 20px; align-items: center; }
.hero__facts { list-style: none; margin: 32px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, auto); justify-content: start; gap: 8px 28px; }
.hero__facts strong { display: block; font-family: var(--mono); font-weight: 500; font-size: 1.35rem; }
.hero__facts span { font-size: .85rem; color: var(--steel); }
@media (min-width: 1024px) { .hero { padding-block: 64px 88px; } .hero__in { grid-template-columns: 1fr 1.05fr; } }

.bench { position: relative; display: grid; gap: 20px; align-items: center; }
.bench__grid {
  position: absolute; inset: -40px -200px; z-index: -1;
  background-image: linear-gradient(var(--rule) 1px, transparent 1px), linear-gradient(90deg, var(--rule) 1px, transparent 1px);
  background-size: 32px 32px; opacity: .55;
  -webkit-mask: radial-gradient(closest-side, #000 40%, transparent); mask: radial-gradient(closest-side, #000 40%, transparent);
}
.explode { height: 420px; display: grid; place-items: end center; padding-bottom: 0; perspective: 1600px; overflow: hidden; }
.stack { position: relative; width: 118px; aspect-ratio: 9 / 19; transform-style: preserve-3d; transform: rotateX(58deg) rotateZ(-38deg); }
.layer { position: absolute; inset: 0; border-radius: 26px; transform: translateZ(var(--z)); transition: box-shadow .2s, outline-color .2s; outline: 3px solid transparent; outline-offset: 2px; }
.layer.is-lit { outline-color: var(--volt); }
.layer--dos { --z: 0px; background: radial-gradient(circle at 26% 9%, #0b0c0d 0 9px, transparent 10px), radial-gradient(circle at 26% 17%, #0b0c0d 0 9px, transparent 10px), radial-gradient(circle at 44% 13%, #0b0c0d 0 6px, transparent 7px), linear-gradient(#3b4046, #3b4046) 14% 6% / 44% 16% no-repeat, #262a2e; border-radius: 26px; }
.layer--batterie { --z: 52px; inset: 26% 14% 10% 14%; border-radius: 10px; background: linear-gradient(90deg, transparent 0 70%, var(--volt) 70% 74%, transparent 74%), #1b1e21; box-shadow: inset 0 0 0 2px #3a3f44; }
.layer--carte { --z: 104px; inset: 4% 8% 76% 8%; border-radius: 10px; background: linear-gradient(#5a636b, #5a636b) 18% 30% / 26% 36% no-repeat, linear-gradient(#5a636b, #5a636b) 70% 40% / 18% 24% no-repeat, #1f3b35; }
.layer--chassis { --z: 156px; background: transparent; box-shadow: inset 0 0 0 7px #a9b1b8, inset 0 0 0 9px #7d868e; }
.layer--ecran { --z: 208px; background: linear-gradient(135deg, rgba(255,255,255,.18) 0 30%, transparent 30%), linear-gradient(#0d0f11, #0d0f11) 50% 2.4% / 30% 3.4% no-repeat, #16191c; box-shadow: inset 0 0 0 5px #0b0c0d; }
.parts { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 8px; }
.part {
  width: 100%; display: grid; gap: 2px; padding: 10px 12px; text-align: left; cursor: pointer;
  background: var(--paper); border: 1px solid var(--rule); border-radius: var(--r-md); color: var(--ink); font: 600 .95rem var(--sans);
  transition: border-color .2s, transform .15s;
}
.part:hover, .part[aria-pressed="true"] { border-color: var(--ink); }
.part__ref { font-family: var(--mono); font-size: .75rem; color: var(--steel); font-weight: 500; }
.part__price { font-family: var(--mono); font-weight: 500; font-size: .9rem; }
@media (min-width: 1024px) {
  .bench { grid-template-columns: 1fr 200px; column-gap: 24px; }
  .explode { height: 520px; place-items: center start; padding: 0 0 0 40px; overflow: visible; }
  .stack { width: 170px; }
  .parts { grid-template-columns: 1fr; }
}

/* Devis rapide (accueil) et formulaires */
.panel { background: var(--paper); border-radius: var(--r-lg); padding: 24px; box-shadow: var(--shadow); }
@media (min-width: 720px) { .panel { padding: 32px; } }
.quote { display: grid; gap: 18px; }
.fields { display: grid; gap: 14px; }
@media (min-width: 720px) { .fields--3 { grid-template-columns: repeat(3, 1fr); } .fields--2 { grid-template-columns: repeat(2, 1fr); } }
.field { display: grid; gap: 6px; min-width: 0; border: 0; padding: 0; margin: 0; }
.field > label, .field > legend { font-weight: 700; font-size: .95rem; padding: 0; }
.field input, .field select, .field textarea {
  width: 100%; min-height: 48px; padding: 0 14px; border: 2px solid var(--rule); border-radius: var(--r-sm);
  background: var(--paper); color: var(--ink); font: 400 1rem var(--sans);
}
.field textarea { padding: 12px 14px; min-height: 120px; resize: vertical; }
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible { outline: none; border-color: var(--ink); box-shadow: 0 0 0 4px rgba(255, 91, 20, .35); }
.field select:disabled { background: var(--alu-2); color: var(--steel); }
.hint { font-size: .85rem; color: var(--steel); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: inline-grid; gap: 0; min-height: 44px; padding: 8px 16px; border: 2px solid var(--rule); border-radius: var(--r-pill);
  background: var(--paper); color: var(--ink); font: 600 .95rem var(--sans); cursor: pointer; text-align: left;
  transition: background .2s, color .2s, border-color .2s, transform .15s;
}
.chip small { font-weight: 400; font-size: .78rem; color: var(--steel); }
.chip:hover { border-color: var(--ink); }
.chip:active { transform: scale(.97); }
.chip[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.chip[aria-pressed="true"] small { color: #c3c9ce; }
.result { display: grid; gap: 14px; padding: 20px; border-radius: var(--r-md); background: var(--alu); }
@media (min-width: 720px) { .result { grid-template-columns: 1fr auto; align-items: center; } }
.result__price { font-family: var(--mono); font-weight: 500; font-size: 2.2rem; line-height: 1; font-variant-numeric: tabular-nums; }
.result__meta { color: var(--steel); font-size: .95rem; }
.notice { font-size: .82rem; color: var(--steel); max-width: 72ch; }
.error { color: #a1260d; font-weight: 600; }
.tick { display: flex; gap: 10px; align-items: flex-start; font-size: .95rem; cursor: pointer; }
.tick input { width: 20px; height: 20px; margin-top: 2px; accent-color: var(--ink); flex: none; }

/* Étapes du service (vraie séquence) */
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 1px; background: var(--rule); border: 1px solid var(--rule); border-radius: var(--r-md); overflow: hidden; counter-reset: s; }
.steps li { background: var(--alu-2); padding: 24px; display: grid; gap: 8px; counter-increment: s; }
.steps li::before { content: counter(s, decimal-leading-zero); font-family: var(--mono); font-weight: 500; color: var(--steel); }
.section--alt .steps li { background: var(--alu); }
@media (min-width: 720px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .steps { grid-template-columns: repeat(4, 1fr); } }

/* Garanties : liste éditoriale, pas des cartes identiques */
.facts { display: grid; gap: 28px; }
.facts div { display: grid; gap: 6px; padding-top: 16px; border-top: 2px solid currentColor; }
.facts dt { font-family: var(--display); font-weight: 900; font-size: 1.7rem; line-height: 1; }
.facts dd { margin: 0; color: #c3c9ce; max-width: 40ch; }
.section:not(.section--ink) .facts dd { color: var(--steel); }
@media (min-width: 720px) { .facts { grid-template-columns: repeat(2, 1fr); gap: 36px 48px; } }
@media (min-width: 1024px) { .facts { grid-template-columns: repeat(4, 1fr); } }

/* Téléphone dessiné (catalogue) */
.phone { position: relative; width: 74px; aspect-ratio: 9 / 19; border-radius: 14px; background: var(--c); box-shadow: inset 0 0 0 2px rgba(0,0,0,.18), inset -6px 0 10px -6px rgba(0,0,0,.25); }
.phone::before { content: ""; position: absolute; left: 12%; top: 5%; width: 40%; aspect-ratio: 1; border-radius: 9px; background: rgba(0,0,0,.18); box-shadow: inset 0 0 0 1px rgba(0,0,0,.2); }
.phone::after { content: ""; position: absolute; left: 18%; top: 8%; width: 12%; aspect-ratio: 1; border-radius: 50%; background: #0b0c0d; box-shadow: 14px 0 0 #0b0c0d, 0 14px 0 #0b0c0d; }

/* Catalogue */
.shop { display: grid; gap: 28px; align-items: start; }
@media (min-width: 1024px) { .shop { grid-template-columns: 280px 1fr; } .filters { position: sticky; top: 92px; } }
.filters { display: grid; gap: 20px; }
.filters .field + .field { padding-top: 18px; border-top: 1px solid var(--rule); }
.range-out { font-family: var(--mono); font-weight: 500; }
.count { margin-bottom: 14px; color: var(--steel); }
.grid { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr)); }
.product {
  width: 100%; height: 100%; display: grid; grid-template-columns: auto 1fr; gap: 6px 18px; align-content: start; text-align: left;
  padding: 20px; background: var(--paper); border: 1px solid var(--rule); border-radius: var(--r-md); color: var(--ink); font: inherit; cursor: pointer;
  transition: border-color .2s;
}
.product:hover { border-color: var(--ink); }
.product .phone { grid-row: span 4; transition: transform .25s; }
.product:hover .phone, .product:focus-visible .phone { transform: translateY(-4px); }
.product__name { font-weight: 700; line-height: 1.25; }
.product__meta { color: var(--steel); font-size: .9rem; }
.product__price { font-family: var(--mono); font-weight: 500; font-size: 1.3rem; }
.grade { justify-self: start; padding: 2px 10px; border: 1px solid var(--ink); border-radius: var(--r-pill); font-size: .78rem; font-weight: 600; }
.stock-low { color: var(--warn); font-size: .82rem; font-weight: 600; }
.empty { padding: 32px; border: 2px dashed var(--rule); border-radius: var(--r-md); display: grid; gap: 12px; justify-items: start; }

/* Fenêtre produit */
dialog { width: min(560px, calc(100% - 32px)); max-height: calc(100dvh - 32px); padding: 0; border: 0; border-radius: var(--r-lg); background: var(--paper); color: var(--ink); box-shadow: var(--shadow); }
dialog::backdrop { background: rgba(17, 19, 21, .55); }
.dlg { padding: 28px; display: grid; gap: 18px; }
.dlg__head { display: grid; grid-template-columns: auto 1fr auto; gap: 18px; align-items: start; }
.dlg__close { width: 44px; height: 44px; border: 0; border-radius: 50%; background: var(--alu); font-size: 1.4rem; cursor: pointer; }
.specs { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 8px 18px; }
.specs dt { color: var(--steel); }
.specs dd { margin: 0; font-weight: 600; }

/* Tarifs */
.table-wrap { overflow-x: auto; border: 1px solid var(--rule); border-radius: var(--r-md); background: var(--paper); }
table { width: 100%; min-width: 560px; border-collapse: collapse; font-size: .95rem; }
th, td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--rule); vertical-align: top; }
thead th { background: var(--alu-2); font-weight: 700; }
td.num, th.num { text-align: right; font-family: var(--mono); font-weight: 500; font-variant-numeric: tabular-nums; white-space: nowrap; }
tr:last-child td { border-bottom: 0; }

/* Rendez-vous */
.slots { display: flex; flex-wrap: wrap; gap: 8px; }
.slots .chip { font-family: var(--mono); font-weight: 500; min-width: 84px; justify-content: center; }
.confirm { display: grid; gap: 14px; padding: 24px; border: 2px solid var(--ok); border-radius: var(--r-md); }
.confirm h3 { color: var(--ok); }

/* Boutique */
.store { display: grid; gap: 28px; }
@media (min-width: 1024px) { .store { grid-template-columns: 1fr 1fr; } }
.status { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; }
.status::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--steel); }
.status.is-open { color: var(--ok); }
.status.is-open::before { background: var(--ok); }
.hours { width: 100%; min-width: 0; }
.hours td:last-child { text-align: right; font-family: var(--mono); font-weight: 500; }
.hours tr.is-today td { font-weight: 800; background: var(--alu); }
.map { border-radius: var(--r-md); overflow: hidden; border: 1px solid var(--rule); background: var(--paper); }

/* Pied de page */
.foot { padding-block: 56px 32px; background: var(--ink); color: var(--paper); font-size: .95rem; }
.foot__in { display: grid; gap: 32px; }
.foot h2 { font-family: var(--sans); font-size: 1rem; margin-bottom: 10px; }
.foot ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.foot a { color: var(--paper); }
.foot .muted { color: #c3c9ce; }
.foot__bottom { margin-top: 40px; padding-top: 20px; border-top: 1px solid #343a40; color: #c3c9ce; font-size: .85rem; }
@media (min-width: 720px) { .foot__in { grid-template-columns: 1.4fr 1fr 1fr 1fr; } }

/* Pages légales */
.legal { padding-block: 48px 88px; max-width: 860px; }
.legal h1 { font-size: clamp(2rem, 5vw, 3rem); margin-bottom: 12px; }
.legal h2 { font-size: 1.3rem; margin: 40px 0 12px; }
.legal p, .legal li { max-width: 72ch; }
.legal p + p { margin-top: 10px; }
.legal ul { padding-left: 20px; display: grid; gap: 6px; }
.fictif { display: inline; background: #ffe7c2; color: #5c3400; padding: 1px 6px; border-radius: var(--r-sm); font-size: .9em; }

/* 404 */
.nf { padding-block: 96px; display: grid; gap: 20px; justify-items: start; }
.nf__code { font-family: var(--mono); font-weight: 500; font-size: clamp(4rem, 14vw, 9rem); line-height: 1; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

/* Utilitaires et FAQ */
.after { margin-top: 24px; }
.flush { margin: 0; }
a.product { text-decoration: none; }
.foot__about { margin-top: 12px; max-width: 34ch; }
.faq__title { margin-bottom: 12px; }
.faq { border-top: 1px solid var(--rule); }
.faq:last-of-type { border-bottom: 1px solid var(--rule); }
.faq summary { min-height: 48px; padding: 14px 32px 14px 0; position: relative; cursor: pointer; font-weight: 700; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 12px; font-family: var(--mono); font-size: 1.2rem; transition: transform .2s; }
.faq[open] summary::after { transform: rotate(45deg); }
.faq p { padding-bottom: 16px; max-width: 60ch; }

/* Légende de fieldset placée dans le bloc (sinon elle coupe la bordure supérieure) ; curseurs aux couleurs du système */
.field > legend { float: left; width: 100%; margin-bottom: 8px; }
.field > legend + * { clear: both; }
input[type="range"] { accent-color: var(--ink); width: 100%; min-height: 32px; }
.filters .tick { align-items: center; }
.filters .tick input { margin-top: 0; }

/* Schéma éclaté v2 : couches détaillées, lueur, cartes de pannes */
.explode { position: relative; }
.explode::before { content: ""; position: absolute; left: 50%; top: 55%; width: 70%; aspect-ratio: 1; translate: -50% -50%; border-radius: 50%; background: radial-gradient(closest-side, rgba(255, 91, 20, .28), transparent); filter: blur(10px); pointer-events: none; }
.layer { box-shadow: 0 30px 40px -24px rgba(17, 19, 21, .55); }
.layer--dos {
  background:
    radial-gradient(circle at 24% 8.5%, #0b0c0d 0 7px, #3d444b 8px 10px, transparent 11px),
    radial-gradient(circle at 24% 16.5%, #0b0c0d 0 7px, #3d444b 8px 10px, transparent 11px),
    radial-gradient(circle at 40% 12.5%, #0b0c0d 0 5px, #3d444b 6px 8px, transparent 9px),
    linear-gradient(#2c3238, #2c3238) 13% 5% / 40% 17% no-repeat,
    linear-gradient(135deg, #3a4148, #1b1f23);
}
.layer--batterie { background: linear-gradient(90deg, transparent 0 66%, var(--volt) 66% 78%, transparent 78%), linear-gradient(135deg, #2a2f34, #15181b); box-shadow: inset 0 0 0 2px #444b52, 0 24px 30px -20px rgba(17, 19, 21, .6); }
.layer--batterie::after { content: "Li-ion · 3,85 V"; position: absolute; left: 12%; top: 40%; transform: rotate(-90deg); transform-origin: left top; font: 500 9px var(--mono); color: #aeb6bd; white-space: nowrap; }
.layer--carte {
  background:
    linear-gradient(#bfa25a, #bfa25a) 8% 82% / 30% 6% no-repeat,
    linear-gradient(#0f1112, #0f1112) 16% 28% / 30% 40% no-repeat,
    linear-gradient(#0f1112, #0f1112) 70% 30% / 18% 26% no-repeat,
    linear-gradient(#5d6870, #5d6870) 70% 72% / 16% 14% no-repeat,
    repeating-linear-gradient(90deg, rgba(255,255,255,.05) 0 1px, transparent 1px 6px),
    linear-gradient(135deg, #24564a, #173a32);
}
.layer--chassis { box-shadow: inset 0 0 0 7px #b7bec4, inset 0 0 0 9px #858d94, inset 0 0 0 10px #d6dbdf, 0 30px 40px -24px rgba(17, 19, 21, .45); }
.layer--ecran {
  background:
    linear-gradient(120deg, rgba(255,255,255,.22) 0 26%, transparent 26%),
    linear-gradient(#0b0c0d, #0b0c0d) 50% 2.6% / 28% 3.2% no-repeat,
    radial-gradient(120% 70% at 80% 100%, var(--volt), transparent 60%),
    radial-gradient(90% 60% at 10% 0%, #3b4a5a, transparent 70%),
    #121518;
  box-shadow: inset 0 0 0 5px #0b0c0d, inset 0 0 0 6px #3a3f44, 0 34px 44px -24px rgba(17, 19, 21, .6);
}
.part { grid-template-columns: 34px 1fr auto; align-items: center; column-gap: 12px; padding: 12px 14px; }
.part__ref { grid-row: span 2; display: grid; place-items: center; width: 34px; height: 34px; border-radius: var(--r-sm); background: var(--ink); color: var(--paper); font-size: .8rem; }
.part__price { grid-column: 3; grid-row: 1 / span 2; font-size: 1rem; }
.part:hover, .part[aria-pressed="true"], .part:focus-visible { border-color: var(--ink); box-shadow: var(--shadow); }
.part:hover .part__ref, .part[aria-pressed="true"] .part__ref { background: var(--volt); color: var(--ink); }
.part { grid-template-columns: 34px 1fr; row-gap: 0; }
.part__price { grid-column: 2; grid-row: 2; font-size: .95rem; color: var(--steel); }
@media (min-width: 1024px) { .bench { grid-template-columns: 1fr 230px; } }