:root {
  --steel-900: #11151a;
  --steel-800: #1a2027;
  --steel-700: #252d36;
  --steel-line: #323c47;
  --on-dark: #e9edf0;
  --on-dark-muted: #a7b1bb;
  --paper: #f3f2ee;
  --white: #ffffff;
  --ink: #151a1f;
  --muted: #5b6570;
  --line: #dcd9d1;
  --amber: #f2a900;
  --amber-dark: #c98a00;
  --amber-soft: #fff4d6;
  --radius: 14px;
  --shadow: 0 20px 45px -24px rgba(10, 14, 18, .45);
  --head: "Barlow Condensed", "Arial Narrow", sans-serif;
  --body: "Barlow", system-ui, -apple-system, "Segoe UI", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--body); font-size: 17px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
.wrap { width: min(1180px, 100% - 40px); margin-inline: auto; }
h1, h2, h3 { font-family: var(--head); font-weight: 700; line-height: 1.02; margin: 0; letter-spacing: .005em; text-transform: uppercase; }
h2 { font-size: clamp(2.3rem, 5vw, 3.6rem); }
h3 { font-size: 1.45rem; line-height: 1.1; }
.kicker { display: inline-flex; align-items: center; gap: 10px; font-size: .8rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--amber-dark); margin-bottom: 14px; }
.kicker::before { content: ""; width: 26px; height: 3px; background: var(--amber); }
.lead { color: var(--muted); font-size: 1.12rem; max-width: 62ch; margin: 16px 0 0; }
.section { padding: clamp(70px, 10vw, 120px) 0; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 15px 26px; border-radius: 10px; border: 2px solid transparent; font-weight: 600; text-decoration: none; cursor: pointer; transition: background .2s, color .2s, border-color .2s, transform .2s; }
.btn:hover { transform: translateY(-2px); }
.btn-amber { background: var(--amber); color: var(--steel-900); }
.btn-amber:hover { background: #ffbb1c; }
.btn-outline { border-color: rgba(233, 237, 240, .5); color: var(--on-dark); }
.btn-outline:hover { border-color: var(--on-dark); background: rgba(255, 255, 255, .06); }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 3px; }
.ico { width: 24px; height: 24px; flex: none; }

/* Barre du haut + en-tête */
.topbar { background: var(--steel-900); color: var(--on-dark-muted); font-size: .85rem; }
.topbar .wrap { display: flex; justify-content: space-between; gap: 16px; padding: 8px 0; flex-wrap: wrap; }
.topbar a { color: var(--on-dark); text-decoration: none; }
header { position: sticky; top: 0; z-index: 50; background: rgba(17, 21, 26, .94); backdrop-filter: blur(10px); border-bottom: 1px solid var(--steel-line); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--on-dark); }
.brand-mark { width: 40px; height: 40px; border-radius: 9px; background: var(--amber); display: grid; place-items: center; }
.brand-name { font: 700 1.55rem/1 var(--head); text-transform: uppercase; letter-spacing: .02em; }
.brand-sub { display: block; font: 500 .72rem/1.2 var(--body); letter-spacing: .12em; text-transform: uppercase; color: var(--on-dark-muted); }
.menu { display: flex; align-items: center; gap: 28px; }
.menu a { color: var(--on-dark-muted); text-decoration: none; font-weight: 500; font-size: .96rem; }
.menu a:hover { color: var(--on-dark); }
.menu .btn { color: var(--steel-900); padding: 11px 20px; }
.burger { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.burger span { display: block; width: 24px; height: 2px; background: var(--on-dark); margin: 5px 0; transition: transform .3s, opacity .3s; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Héros */
.hero { position: relative; background: var(--steel-900); color: var(--on-dark); overflow: hidden; }
.hero-bg { position: absolute; inset: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(100deg, rgba(17, 21, 26, .96) 0%, rgba(17, 21, 26, .86) 45%, rgba(17, 21, 26, .55) 100%); }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; padding: clamp(70px, 10vw, 120px) 0; }
.hero h1 { font-size: clamp(3rem, 7.5vw, 5.8rem); }
.hero h1 span { color: var(--amber); }
.hero .lead { color: var(--on-dark-muted); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 34px 0 30px; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; padding: 0; margin: 0; }
.chips li { display: flex; align-items: center; gap: 8px; font-size: .9rem; padding: 7px 14px; border: 1px solid var(--steel-line); border-radius: 999px; background: rgba(26, 32, 39, .7); }
.chips svg { width: 16px; height: 16px; color: var(--amber); }

/* Carte « exemple de demande » */
.req-card { background: var(--steel-800); border: 1px solid var(--steel-line); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.req-head { display: flex; justify-content: space-between; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--steel-line); font-size: .82rem; color: var(--on-dark-muted); }
.tag { font: 600 .7rem/1 var(--body); letter-spacing: .12em; text-transform: uppercase; padding: 5px 8px; border-radius: 6px; background: var(--amber); color: var(--steel-900); }
.req-body { padding: 18px; display: grid; gap: 12px; }
.req-ref { display: flex; align-items: center; gap: 12px; padding: 12px 14px; background: var(--steel-900); border: 1px solid var(--steel-line); border-radius: 10px; font-family: ui-monospace, Consolas, monospace; font-size: .95rem; }
.req-ref svg { color: var(--amber); }
.res { display: grid; grid-template-columns: auto 1fr auto; gap: 12px; align-items: center; padding: 12px 14px; border-radius: 10px; background: rgba(255, 255, 255, .03); border: 1px solid var(--steel-line); font-size: .9rem; }
.res b { display: block; font-weight: 600; color: var(--on-dark); }
.res small { color: var(--on-dark-muted); }
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot.ok { background: #46c282; } .dot.eq { background: #5aa9ff; } .dot.warn { background: var(--amber); }
.pill { font-size: .72rem; font-weight: 600; padding: 4px 9px; border-radius: 999px; background: var(--steel-700); color: var(--on-dark-muted); white-space: nowrap; }
.req-foot { padding: 12px 18px; border-top: 1px solid var(--steel-line); font-size: .78rem; color: var(--on-dark-muted); }

/* Bandeau douleur */
.strip { background: var(--amber); color: var(--steel-900); }
.strip .wrap { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; padding: 30px 0; }
.strip .wrap > div { display: flex; gap: 14px; align-items: flex-start; }
.strip b { display: block; font: 700 1.3rem/1.1 var(--head); text-transform: uppercase; }
.strip p { margin: 4px 0 0; font-size: .95rem; }

/* Étapes */
.steps-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 60px; align-items: center; }
.steps-photo { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); aspect-ratio: 4 / 5; }
.steps-photo img { width: 100%; height: 100%; object-fit: cover; }
.steps { list-style: none; margin: 30px 0 0; padding: 0; display: grid; gap: 4px; counter-reset: s; }
.steps li { counter-increment: s; display: grid; grid-template-columns: 64px 1fr; gap: 18px; padding: 20px 0; border-top: 1px solid var(--line); }
.steps li::before { content: "0" counter(s); font: 700 2.6rem/1 var(--head); color: var(--amber-dark); }
.steps h3 { margin-bottom: 6px; }
.steps p { margin: 0; color: var(--muted); }

/* Pièces */
.parts { background: var(--white); }
.parts-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 44px; }
.parts-layout { display: grid; grid-template-columns: 1.2fr 1fr; gap: 26px; }
.part-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.part { display: flex; gap: 14px; align-items: flex-start; padding: 18px; border: 1px solid var(--line); border-radius: 12px; background: var(--paper); }
.part svg { width: 38px; height: 38px; padding: 8px; border-radius: 9px; background: var(--steel-900); color: var(--amber); flex: none; }
.part b { display: block; font-weight: 600; line-height: 1.25; }
.part span { font-size: .88rem; color: var(--muted); }
.part-photos { display: grid; grid-template-rows: 1.3fr 1fr; gap: 14px; }
.part-photos figure { margin: 0; position: relative; border-radius: 12px; overflow: hidden; min-height: 180px; }
.part-photos img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.part-photos figcaption { position: absolute; left: 12px; bottom: 12px; background: rgba(17, 21, 26, .82); color: var(--on-dark); font-size: .82rem; padding: 6px 12px; border-radius: 8px; }
.part-photos .row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* Réponse type */
.answer { background: var(--steel-900); color: var(--on-dark); }
.answer .lead { color: var(--on-dark-muted); }
.answer-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 60px; align-items: center; }
.checks { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 14px; }
.checks li { display: flex; gap: 12px; }
.checks svg { color: var(--amber); margin-top: 3px; }
.mail { background: var(--white); color: var(--ink); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; font-size: .93rem; }
.mail-top { background: #eceae4; padding: 12px 18px; display: flex; justify-content: space-between; gap: 10px; font-size: .82rem; color: var(--muted); }
.mail-body { padding: 22px 24px; overflow-wrap: anywhere; }
.mail-body p { margin: 0 0 12px; }
.mail table { width: 100%; border-collapse: collapse; margin: 6px 0 14px; font-size: .86rem; }
.mail th { text-align: left; font-weight: 600; background: var(--paper); }
.mail th, .mail td { padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.mail .confirm { background: var(--amber-soft); border-left: 4px solid var(--amber); padding: 10px 14px; border-radius: 6px; font-size: .86rem; }

/* Secteurs */
.sectors { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 44px; }
.sector { position: relative; border-radius: var(--radius); overflow: hidden; min-height: 380px; color: var(--on-dark); display: flex; align-items: flex-end; }
.sector img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.sector:hover img { transform: scale(1.05); }
.sector::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(17, 21, 26, 0) 30%, rgba(17, 21, 26, .92) 100%); }
.sector div { position: relative; z-index: 1; padding: 24px; }
.sector p { margin: 8px 0 0; color: #cfd6dc; font-size: .95rem; }

/* FAQ */
.faq-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 60px; }
details { border-bottom: 1px solid var(--line); padding: 20px 0; }
summary { cursor: pointer; font-weight: 600; font-size: 1.05rem; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font: 700 1.6rem/1 var(--head); color: var(--amber-dark); transition: transform .3s; }
details[open] summary::after { transform: rotate(45deg); }
details p { margin: 10px 0 0; color: var(--muted); }

/* Formulaire */
.request { background: var(--steel-800); color: var(--on-dark); }
.request-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 56px; }
.request .lead { color: var(--on-dark-muted); }
.tips { margin-top: 30px; display: grid; gap: 14px; }
.tip { display: flex; gap: 12px; padding: 16px; border: 1px solid var(--steel-line); border-radius: 12px; background: rgba(17, 21, 26, .4); font-size: .95rem; }
.tip svg { color: var(--amber); }
.tip b { color: var(--on-dark); }
.tip span { color: var(--on-dark-muted); }
form.card { background: var(--white); color: var(--ink); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 6px; }
.field label small { font-weight: 400; color: var(--muted); }
.field input, .field select, .field textarea { width: 100%; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: 10px; background: var(--paper); transition: border-color .2s, box-shadow .2s; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--amber-dark); box-shadow: 0 0 0 3px rgba(242, 169, 0, .25); background: var(--white); }
.field input[type=file] { padding: 10px; background: var(--white); border-style: dashed; cursor: pointer; }
.field .hint { display: block; font-size: .8rem; color: var(--muted); margin-top: 6px; }
.field textarea { resize: vertical; min-height: 130px; font-family: ui-monospace, Consolas, monospace; font-size: .92rem; }
.urgency { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.urgency input { position: absolute; left: 0; top: 0; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.urgency label { display: block; text-align: center; padding: 11px 8px; border: 1.5px solid var(--line); border-radius: 10px; cursor: pointer; font-weight: 500; font-size: .9rem; margin: 0; background: var(--paper); }
.urgency input:checked + label { border-color: var(--amber-dark); background: var(--amber-soft); font-weight: 600; }
.urgency input:focus-visible + label { outline: 3px solid var(--amber); outline-offset: 2px; }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: .88rem; color: var(--muted); margin: 6px 0 20px; }
.consent input { margin-top: 4px; accent-color: var(--amber-dark); width: 17px; height: 17px; flex: none; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
form.card .btn { width: 100%; font-size: 1.05rem; }
.form-note { font-size: .82rem; color: var(--muted); margin: 14px 0 0; text-align: center; }

/* Pied de page */
footer { background: var(--steel-900); color: var(--on-dark-muted); padding: 56px 0 30px; font-size: .92rem; }
.foot { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 36px; }
footer h4 { font: 700 1.1rem var(--head); text-transform: uppercase; color: var(--on-dark); margin: 0 0 12px; letter-spacing: .04em; }
footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
footer a { color: var(--on-dark-muted); text-decoration: none; }
footer a:hover { color: var(--amber); }
.foot-bottom { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--steel-line); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; font-size: .82rem; }

@media (max-width: 980px) {
  .hero-grid, .steps-grid, .answer-grid, .faq-grid, .request-grid, .parts-layout { grid-template-columns: 1fr; }
  .hero-grid > *, .steps-grid > *, .answer-grid > *, .request-grid > *, .parts-layout > * { min-width: 0; }
  .steps-photo { aspect-ratio: 16 / 10; }
  .sectors { grid-template-columns: 1fr; }
  .sector { min-height: 280px; }
  .foot { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .menu { display: none; position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--steel-900); border-bottom: 1px solid var(--steel-line); padding: 8px 20px 20px; }
  .menu.open { display: flex; }
  .menu a { padding: 13px 0; border-bottom: 1px solid var(--steel-line); }
  .menu .btn { margin-top: 14px; border: 0; }
  .burger { display: block; }
  .strip .wrap { grid-template-columns: 1fr; gap: 18px; }
  .part-grid, .grid-2 { grid-template-columns: 1fr; }
  .urgency { grid-template-columns: 1fr; }
  form.card { padding: 22px; }
  .foot { grid-template-columns: 1fr; }
  .brand-sub { display: none; }
  h2 br { display: none; }
  .res { grid-template-columns: auto 1fr; }
  .res .pill { grid-column: 2; justify-self: start; }
  .mail-body { padding: 18px 16px; }
  .mail th, .mail td { padding: 7px 6px; font-size: .8rem; }
  body { font-size: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
  html { scroll-behavior: auto; }
}

/* Sélecteur de langue */
.nav-right { display: flex; align-items: center; gap: 22px; }
.lang { display: flex; border: 1px solid var(--steel-line); border-radius: 8px; overflow: hidden; font-size: .85rem; font-weight: 600; }
.lang a, .lang span { padding: 6px 11px; text-decoration: none; }
.lang span { background: var(--amber); color: var(--steel-900); }
.lang a { color: var(--on-dark-muted); }
.lang a:hover { color: var(--on-dark); background: var(--steel-700); }
@media (max-width: 760px) { .nav-right { gap: 10px; } }