/* Layout : bande d'urgence + en-tête collant, héros en deux colonnes avec écran de caméra d'inspection, sections pleine largeur alternées */
:root {
  --bg: #f5f7f8;
  --surface: #ffffff;
  --ink: #12202b;
  --muted: #52616d;
  --line: #d8e0e5;
  --steel: #1c3446;
  --steel-2: #24445b;
  --copper: #c4652a;
  --copper-ink: #a34f1b;
  --water: #2a8fb8;
  --on-dark: #eef4f7;
  --on-dark-muted: #a9bccb;
  --ok: #2f8a57;

  --f-display: "Barlow Condensed", "Arial Narrow", "Roboto Condensed", sans-serif;
  --f-body: "Public Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --wrap: 1180px;
  --radius: 6px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d151b; --surface: #142029; --ink: #e8eff3; --muted: #9db0bd; --line: #24343f;
    --steel: #0a1218; --steel-2: #15242f; --copper: #e07a3c; --copper-ink: #f09257; --water: #4cb3db;
    --on-dark: #eef4f7; --on-dark-muted: #a9bccb; --ok: #4fb57c;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0d151b; --surface: #142029; --ink: #e8eff3; --muted: #9db0bd; --line: #24343f;
  --steel: #0a1218; --steel-2: #15242f; --copper: #e07a3c; --copper-ink: #f09257; --water: #4cb3db;
  --on-dark: #eef4f7; --on-dark-muted: #a9bccb; --ok: #4fb57c;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  background: var(--bg); color: var(--ink);
  font-family: var(--f-body); font-size: 16px; line-height: 1.6;
}
body::before {
  content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px);
  z-index: 10; background: var(--steel);
}
a { color: inherit; }
:focus-visible { outline: 3px solid var(--water); outline-offset: 2px; }
h1, h2, h3 { font-family: var(--f-display); line-height: 1.02; margin: 0; text-wrap: balance; letter-spacing: .01em; }
h2 { font-size: clamp(2.1rem, 4.5vw, 3.2rem); text-transform: uppercase; }
h3 { font-size: 1.45rem; text-transform: uppercase; }
p { margin: 0; }

.wrap {
  max-width: var(--wrap); margin: 0 auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
.eyebrow {
  font-family: var(--f-mono); font-size: .78rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--copper-ink);
}
.section { padding-block: clamp(64px, 9vw, 112px); }
.section-head { display: grid; gap: 14px; max-width: 720px; margin-bottom: 44px; }
.section-head p { color: var(--muted); font-size: 1.08rem; }

/* Boutons */
.btn {
  display: inline-flex; align-items: center; gap: 10px; justify-content: center;
  font-family: var(--f-display); font-weight: 700; font-size: 1.15rem; letter-spacing: .04em; text-transform: uppercase;
  padding: 14px 22px; border-radius: var(--radius); border: 2px solid transparent;
  text-decoration: none; cursor: pointer; transition: transform .15s ease, background .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-copper { background: var(--copper); color: #fff; }
.btn-copper:hover { background: var(--copper-ink); }
.btn-ghost { border-color: currentColor; color: var(--on-dark); background: transparent; }
.btn svg { width: 20px; height: 20px; flex: none; }

/* Bande d'urgence */
.alert-bar { background: var(--copper); color: #fff; font-size: .9rem; font-weight: 600; }
.alert-bar .wrap { display: flex; gap: 8px 18px; flex-wrap: wrap; justify-content: center; padding-block: 8px; text-align: center; }
.pulse { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: #fff; margin-right: 6px; vertical-align: middle; animation: pulse 1.6s infinite; }
@keyframes pulse { 50% { opacity: .25; } }
@media (prefers-reduced-motion: reduce) { .pulse { animation: none; } }

/* En-tête */
header.site {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20;
  background: var(--steel); color: var(--on-dark);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
header.site .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 12px; }
.logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.logo-mark { width: 42px; height: 42px; flex: none; }
.logo-text { font-family: var(--f-display); font-weight: 800; text-transform: uppercase; line-height: .9; font-size: 1.35rem; letter-spacing: .02em; }
.logo-text small { display: block; font-size: .78rem; font-weight: 600; letter-spacing: .22em; color: var(--copper); }
nav.main { display: flex; gap: 26px; font-weight: 600; font-size: .95rem; }
nav.main a { text-decoration: none; color: var(--on-dark-muted); }
nav.main a:hover { color: var(--on-dark); }
.head-phone { display: flex; align-items: center; gap: 10px; }
.head-phone .btn { padding: 10px 16px; font-size: 1.05rem; }
@media (max-width: 900px) { nav.main { display: none; } }
@media (max-width: 480px) { .logo-text { font-size: 1.1rem; } .head-phone .btn span.lbl { display: none; } }

/* Héros */
.hero { background: var(--steel); color: var(--on-dark); position: relative; overflow: hidden; }
.hero::after {
  content: ""; position: absolute; inset: auto 0 0 0; height: 6px;
  background: repeating-linear-gradient(90deg, var(--copper) 0 60px, transparent 60px 72px);
  opacity: .85;
}
.hero .wrap { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; padding-block: clamp(48px, 7vw, 88px) clamp(56px, 8vw, 96px); }
.hero-copy { display: grid; gap: 22px; min-width: 0; }
.hero h1 { font-size: clamp(2.9rem, 7vw, 5.4rem); text-transform: uppercase; font-weight: 800; }
.hero h1 em { font-style: normal; color: var(--copper); }
.hero-lead { font-size: 1.15rem; color: var(--on-dark-muted); max-width: 54ch; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 10px 26px; padding-top: 8px; font-size: .92rem; color: var(--on-dark-muted); }
.hero-facts span { display: inline-flex; gap: 8px; align-items: center; }
.hero-facts svg { width: 18px; height: 18px; color: var(--copper); flex: none; }
@media (max-width: 900px) { .hero .wrap { grid-template-columns: 1fr; } }

/* Écran caméra */
.cam {
  position: relative; border-radius: 10px; overflow: hidden; aspect-ratio: 4 / 3; max-width: 100%;
  background: #05090c; border: 2px solid #2b4558;
  box-shadow: 0 30px 60px -20px rgba(0,0,0,.55);
}
.cam canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.cam-hud {
  position: absolute; inset: 0; pointer-events: none;
  font-family: var(--f-mono); font-size: clamp(.68rem, 1.6vw, .82rem); color: #d7f2ff;
  text-shadow: 0 1px 2px #000;
}
.cam-hud .tl, .cam-hud .tr, .cam-hud .bl, .cam-hud .br { position: absolute; display: grid; gap: 2px; }
.cam-hud .tl { top: 12px; left: 14px; }
.cam-hud .tr { top: 12px; right: 14px; text-align: right; }
.cam-hud .bl { bottom: 12px; left: 14px; }
.cam-hud .br { bottom: 12px; right: 14px; text-align: right; }
.rec { color: #ff6b5a; }
.rec::before { content: "●"; margin-right: 6px; animation: pulse 1.2s infinite; }
@media (prefers-reduced-motion: reduce) { .rec::before { animation: none; } }
.cam-dist { font-size: 1.5em; color: #fff; font-variant-numeric: tabular-nums; }
.cam-flag {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  border: 1.5px dashed #ffb37a; width: 30%; aspect-ratio: 1; border-radius: 50%;
  opacity: 0; transition: opacity .4s;
}
.cam-flag.on { opacity: 1; }
.cam-flag span {
  position: absolute; top: -26px; left: 50%; transform: translateX(-50%); white-space: nowrap;
  background: #ffb37a; color: #1a0e05; padding: 2px 8px; border-radius: 3px; font-weight: 600;
}
.cam-caption { margin-top: 12px; font-size: .85rem; color: var(--on-dark-muted); }

/* Services */
.services-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.svc {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 26px; display: grid; gap: 12px; align-content: start;
  transition: border-color .15s, transform .15s;
}
.svc:hover { border-color: var(--copper); transform: translateY(-2px); }
.svc-icon { width: 46px; height: 46px; color: var(--copper); }
.svc p { color: var(--muted); }
.svc ul { margin: 4px 0 0; padding: 0; list-style: none; display: grid; gap: 6px; font-size: .93rem; }
.svc li { display: flex; gap: 8px; }
.svc li::before { content: ""; width: 10px; height: 2px; background: var(--copper); margin-top: .75em; flex: none; }
.svc.feature { background: var(--steel); color: var(--on-dark); border-color: var(--steel); }
.svc.feature p { color: var(--on-dark-muted); }
.tag { justify-self: start; font-family: var(--f-mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; background: var(--copper); color: #fff; padding: 3px 8px; border-radius: 3px; }
@media (max-width: 960px) { .services-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 620px) { .services-grid { grid-template-columns: 1fr; } }

/* Galerie */
.gallery { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.shot { margin: 0; display: grid; gap: 10px; min-width: 0; }
.shot .ph {
  aspect-ratio: 4 / 3; max-width: 100%; border-radius: var(--radius); overflow: hidden; position: relative;
  background: linear-gradient(135deg, var(--steel-2), var(--steel)); color: var(--on-dark-muted);
  display: grid; place-items: center; text-align: center;
}
.shot .ph::before {
  content: ""; position: absolute; inset: 0;
  background: repeating-linear-gradient(45deg, rgba(255,255,255,.03) 0 12px, transparent 12px 24px);
}
.shot .ph div { position: relative; display: grid; gap: 8px; justify-items: center; font-family: var(--f-mono); font-size: .75rem; letter-spacing: .1em; text-transform: uppercase; }
.shot .ph svg { width: 44px; height: 44px; color: var(--copper); }
.shot .ph img { width: 100%; height: 100%; object-fit: cover; display: block; }
.shot figcaption { display: grid; gap: 2px; }
.shot figcaption strong { font-family: var(--f-display); font-size: 1.2rem; text-transform: uppercase; letter-spacing: .02em; }
.shot figcaption span { color: var(--muted); font-size: .9rem; }
@media (max-width: 860px) { .gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .gallery { grid-template-columns: 1fr; } }

.photo-credit { margin-top: 14px; font-size: .78rem; color: var(--muted); }

/* Résidentiel / Commercial */
.split-band { background: var(--surface); border-block: 1px solid var(--line); }
.tabs { display: inline-flex; border: 2px solid var(--steel-2); border-radius: var(--radius); overflow: hidden; margin-bottom: 32px; }
:root[data-theme="dark"] .tabs { border-color: var(--line); }
.tabs button {
  font-family: var(--f-display); font-weight: 700; font-size: 1.15rem; text-transform: uppercase; letter-spacing: .05em;
  padding: 12px 26px; border: 0; background: transparent; color: var(--ink); cursor: pointer;
}
.tabs button[aria-selected="true"] { background: var(--steel-2); color: var(--on-dark); }
.panel { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.panel-copy { display: grid; gap: 18px; min-width: 0; }
.panel-copy p { color: var(--muted); font-size: 1.05rem; }
.checks { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 24px; padding: 0; margin: 0; list-style: none; }
.checks li { display: flex; gap: 10px; align-items: flex-start; font-weight: 500; }
.checks svg { width: 20px; height: 20px; color: var(--ok); flex: none; margin-top: 2px; }
.spec {
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px;
  font-size: .93rem; min-width: 0;
}
.spec h3 { font-size: 1.15rem; margin-bottom: 14px; }
.spec table { width: 100%; border-collapse: collapse; }
.spec td { padding: 10px 0; border-top: 1px solid var(--line); vertical-align: top; }
.spec td:first-child { color: var(--muted); padding-right: 16px; }
.spec td:last-child { font-family: var(--f-mono); font-size: .85rem; text-align: right; }
@media (max-width: 860px) { .panel { grid-template-columns: 1fr; } }
@media (max-width: 480px) { .checks { grid-template-columns: 1fr; } .tabs button { padding: 10px 16px; } }

/* Processus */
.steps { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0; counter-reset: s; position: relative; }
.step { padding: 0 18px 0 0; display: grid; gap: 10px; align-content: start; }
.step-num {
  font-family: var(--f-mono); font-size: .8rem; color: var(--copper-ink);
  display: flex; align-items: center; gap: 10px;
}
.step-num::after { content: ""; flex: 1; height: 2px; background: var(--line); }
.step:last-child .step-num::after { background: transparent; }
.step h3 { font-size: 1.3rem; }
.step p { color: var(--muted); font-size: .95rem; }
@media (max-width: 900px) { .steps { grid-template-columns: 1fr 1fr; gap: 28px 0; } }
@media (max-width: 520px) { .steps { grid-template-columns: 1fr; } }

/* Signes */
.signs-band { background: var(--steel-2); color: var(--on-dark); }
.signs-band .section-head p { color: var(--on-dark-muted); }
.signs-band .eyebrow { color: var(--copper); }
.signs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius); overflow: hidden; }
.sign { background: var(--steel-2); padding: 24px 22px; display: grid; gap: 8px; align-content: start; }
.sign strong { font-family: var(--f-display); font-size: 1.3rem; text-transform: uppercase; letter-spacing: .02em; }
.sign p { color: var(--on-dark-muted); font-size: .93rem; }
.sign .lvl { font-family: var(--f-mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; }
.lvl.urgent { color: #ff9b85; }
.lvl.soon { color: #ffd27a; }
@media (max-width: 900px) { .signs { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .signs { grid-template-columns: 1fr; } }

/* Conseils */
.tips { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.tip {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; display: grid; gap: 12px; align-content: start; min-width: 0;
}
.tip-topic { font-family: var(--f-mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--copper-ink); }
.tip h3 { font-size: 1.5rem; text-transform: none; letter-spacing: 0; line-height: 1.1; }
.tip p { color: var(--muted); }
.tip-do {
  background: var(--bg); border-left: 3px solid var(--water); padding: 12px 14px; border-radius: 0 var(--radius) var(--radius) 0;
  font-size: .93rem; color: var(--ink);
}
.tip-do b { display: block; font-family: var(--f-display); font-size: 1rem; letter-spacing: .06em; text-transform: uppercase; color: var(--water); margin-bottom: 2px; }
.tip-cta { font-size: .9rem; font-weight: 600; color: var(--ink); }
.tip-cta a { color: var(--copper-ink); text-decoration: none; white-space: nowrap; }
.tip-cta a:hover { text-decoration: underline; }
.tip { overflow: hidden; }
.tip-img { display: block; width: calc(100% + 52px); max-width: none; margin: -26px -26px 4px; aspect-ratio: 16 / 9; object-fit: cover; }
/* Dispositifs antirefoulement (DAr) */
.svc-wide { grid-column: 1 / -1; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); column-gap: 36px; }
.svc-wide > * { grid-column: 1; }
.svc-wide .svc-side { grid-column: 2; grid-row: 1 / span 6; align-self: start; background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; display: grid; gap: 8px; }
.svc-side b { font-family: var(--f-mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--copper-ink); }
.svc-side ul { margin: 0; }
@media (max-width: 860px) { .svc-wide { grid-template-columns: 1fr; } .svc-wide .svc-side { grid-column: 1; grid-row: auto; } }
.tip-wide { grid-column: 1 / -1; }
.dar-diagram { display: block; width: calc(100% + 52px); max-width: none; margin: -26px -26px 4px; background: var(--steel); color: var(--on-dark); }
.dar-diagram svg { display: block; width: 100%; height: auto; }
.dar-cols { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.dar-cols h4 { font-family: var(--f-display); font-size: 1.15rem; text-transform: uppercase; letter-spacing: .03em; margin: 0 0 6px; }
.dar-cols ul { margin: 0; padding-left: 1.1em; display: grid; gap: 4px; }
.dar-src { font-size: .78rem; color: var(--muted); }
@media (max-width: 860px) { .dar-cols { grid-template-columns: 1fr; } }
.tips-credit { margin-top: 14px; font-size: .78rem; color: var(--muted); }
@media (max-width: 760px) { .tips { grid-template-columns: 1fr; } }

/* Garanties */
.promises { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px; }
.promise { display: grid; gap: 8px; border-top: 3px solid var(--copper); padding-top: 18px; }
.promise strong { font-family: var(--f-display); font-size: 2.4rem; line-height: 1; }
.promise span { font-weight: 600; }
.promise p { color: var(--muted); font-size: .93rem; }
@media (max-width: 900px) { .promises { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .promises { grid-template-columns: 1fr; } }

/* Bande marque */
.brand-band { background: radial-gradient(ellipse at 20% 50%, var(--steel-2), var(--steel) 70%); color: var(--on-dark); overflow: hidden; }
.brand-band .wrap { display: grid; grid-template-columns: auto 1fr; gap: clamp(28px, 5vw, 64px); align-items: center; padding-block: clamp(48px, 7vw, 80px); }
.brand-mark { width: clamp(150px, 22vw, 230px); height: auto; filter: drop-shadow(0 18px 30px rgba(0,0,0,.45)); }
.brand-copy { display: grid; gap: 14px; min-width: 0; }
.brand-copy h2 { font-size: clamp(2.4rem, 5.5vw, 4rem); }
.brand-copy h2 span { color: var(--copper); }
.brand-copy p { color: var(--on-dark-muted); font-size: 1.1rem; max-width: 56ch; }
@media (max-width: 680px) { .brand-band .wrap { grid-template-columns: 1fr; justify-items: center; text-align: center; } .brand-copy p { margin-inline: auto; } }

/* Zones + FAQ */
.two-col { display: grid; grid-template-columns: 1fr 1.2fr; gap: 56px; align-items: start; }
.two-col > * { min-width: 0; }
.zones { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.zones span { border: 1px solid var(--line); background: var(--surface); padding: 6px 12px; border-radius: 999px; font-size: .9rem; font-weight: 500; }
.note { margin-top: 18px; font-size: .9rem; color: var(--muted); }
details { border-bottom: 1px solid var(--line); }
details:first-of-type { border-top: 1px solid var(--line); }
summary {
  cursor: pointer; list-style: none; padding: 18px 0; font-weight: 600; font-size: 1.05rem;
  display: flex; justify-content: space-between; gap: 16px;
}
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font-family: var(--f-mono); color: var(--copper-ink); font-size: 1.2rem; line-height: 1; }
details[open] summary::after { content: "−"; }
details p { padding-bottom: 18px; color: var(--muted); max-width: 62ch; }
@media (max-width: 860px) { .two-col { grid-template-columns: 1fr; gap: 40px; } }

/* Contact */
.contact-band { background: var(--steel); color: var(--on-dark); }
.contact-band .eyebrow { color: var(--copper); }
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: start; }
.contact-grid > * { min-width: 0; }
.contact-info { display: grid; gap: 22px; }
.contact-info > p { color: var(--on-dark-muted); font-size: 1.05rem; }
.phone-big {
  font-family: var(--f-display); font-weight: 800; font-size: clamp(2.6rem, 6vw, 3.8rem); line-height: 1;
  color: var(--on-dark); text-decoration: none; user-select: all; font-variant-numeric: tabular-nums;
}
.phone-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.copy-btn {
  font: 600 .85rem var(--f-body); color: var(--on-dark); background: transparent;
  border: 1px solid rgba(255,255,255,.3); border-radius: var(--radius); padding: 8px 12px; cursor: pointer;
}
.info-list { display: grid; gap: 14px; padding: 0; margin: 0; list-style: none; }
.info-list li { display: grid; grid-template-columns: 110px 1fr; gap: 12px; border-top: 1px solid rgba(255,255,255,.12); padding-top: 14px; }
.info-list li span:first-child { font-family: var(--f-mono); font-size: .75rem; letter-spacing: .1em; text-transform: uppercase; color: var(--on-dark-muted); padding-top: 3px; }
form.quote { background: var(--surface); color: var(--ink); border-radius: 10px; padding: clamp(22px, 4vw, 34px); display: grid; gap: 16px; }
form.quote h3 { font-size: 1.7rem; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { display: grid; gap: 6px; }
.field label { font-size: .85rem; font-weight: 600; }
.field input, .field select, .field textarea {
  font: inherit; color: var(--ink); background: var(--bg); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 11px 12px; width: 100%;
}
.field textarea { min-height: 110px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--water); outline-offset: 0; border-color: var(--water); }
.radio-row { display: flex; flex-wrap: wrap; gap: 10px; }
.radio-row label { display: inline-flex; gap: 8px; align-items: center; border: 1px solid var(--line); border-radius: var(--radius); padding: 9px 14px; cursor: pointer; font-weight: 500; font-size: .93rem; }
.radio-row input { accent-color: var(--copper); }
.form-note { font-size: .82rem; color: var(--muted); }
.form-ok { background: color-mix(in srgb, var(--ok) 14%, var(--surface)); border: 1px solid var(--ok); color: var(--ink); padding: 14px 16px; border-radius: var(--radius); font-weight: 500; }
.form-err { color: var(--copper-ink); font-size: .88rem; font-weight: 600; }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }
@media (max-width: 520px) { .row { grid-template-columns: 1fr; } .info-list li { grid-template-columns: 1fr; gap: 4px; } }

/* Pied de page */
footer.site { background: var(--steel); color: var(--on-dark-muted); border-top: 1px solid rgba(255,255,255,.08); font-size: .88rem; }
footer.site .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; padding-block: 26px; }
footer.site strong { color: var(--on-dark); }

/* Barre d'appel mobile */
.call-dock { display: none; }
@media (max-width: 620px) {
  .call-dock {
    display: flex; gap: 8px; position: fixed; inset: auto 0 0 0; z-index: 30;
    background: var(--steel); border-top: 1px solid rgba(255,255,255,.12);
    padding: 10px max(16px, env(safe-area-inset-right, 0px)) calc(10px + env(safe-area-inset-bottom, 0px)) max(16px, env(safe-area-inset-left, 0px));
  }
  .call-dock .btn { flex: 1; padding: 12px; font-size: 1.05rem; }
  footer.site { padding-bottom: 76px; }
}

/* Pages intérieures */
.page-head { background: var(--steel); color: var(--on-dark); padding-block: 44px 38px; }
.page-head .eyebrow { color: var(--copper); }
.page-head h1 { font-size: clamp(2.3rem, 5.5vw, 3.8rem); text-transform: uppercase; font-weight: 800; margin-top: 8px; }
.page-head p { max-width: 62ch; color: var(--on-dark-muted); margin: 12px 0 0; font-size: 1.08rem; }
nav.main a[aria-current="page"] { color: var(--copper); }
.contact-band h1 { font-size: clamp(2.1rem, 4.5vw, 3.2rem); text-transform: uppercase; }
.more-link { font-weight: 600; color: var(--copper-ink); text-decoration: none; }
.more-link:hover { text-decoration: underline; }
.cta-band { background: var(--surface); border-top: 1px solid var(--line); }
.cta-band .wrap { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; padding-block: 34px; }
.cta-band h2 { font-size: clamp(1.6rem, 3.5vw, 2.3rem); text-transform: uppercase; }
.cta-band .hero-ctas { margin: 0; }

/* Page Nos prix */
.prix-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.prix-grid .spec { background: var(--surface); }
.prix-grid td:first-child { color: var(--ink); font-weight: 500; }
.prix-grid td small { display: block; color: var(--muted); font-weight: 400; }
.prix-grid td:last-child { white-space: nowrap; font-size: 1rem; color: var(--copper-ink); }
.prix-grid td:last-child::before { content: "à partir de "; font-family: var(--f-body); font-size: .75rem; color: var(--muted); }
.prix-notes { margin-top: 24px; max-width: 70ch; display: grid; gap: 10px; color: var(--muted); }
.prix-notes b { color: var(--ink); }
@media (max-width: 760px) { .prix-grid { grid-template-columns: 1fr; } }

/* Page Entretien et protection */
.plan-prix { font-family: var(--f-display); font-size: 3rem; font-weight: 800; line-height: 1; color: var(--copper); margin: 0; }
.plan-prix small { font-size: 1.1rem; color: var(--muted); font-weight: 600; }
.svc-side .btn { justify-self: start; }
.svc ul b { color: var(--copper-ink); white-space: nowrap; }

/* Bouton « Retour en haut » */
.to-top {
  position: fixed; z-index: 25;
  right: max(16px, env(safe-area-inset-right, 0px)); bottom: calc(20px + env(safe-area-inset-bottom, 0px));
  display: inline-flex; align-items: center; gap: 6px; padding: 10px 16px;
  border: 0; border-radius: 999px; background: var(--copper); color: #fff; cursor: pointer;
  font: 600 .9rem var(--f-body); box-shadow: 0 6px 18px rgba(0, 0, 0, .25);
}
.to-top[hidden] { display: none; }
.to-top svg { width: 18px; height: 18px; }
.to-top:hover { background: var(--copper-ink); }
.to-top:focus-visible { outline: 3px solid var(--water); outline-offset: 3px; }
@media (max-width: 620px) {
  .to-top { bottom: calc(84px + env(safe-area-inset-bottom, 0px)); padding: 12px; }
  .to-top span { display: none; }
}

/* Arrière-plan : réseau de tuyaux de cuivre sur mur de béton (images/fonds/tuyauterie-cuivre.svg).
   Un voile foncé garde le texte lisible ; il est plus léger à droite pour laisser voir la tuyauterie. */
.hero, .page-head, .signs-band, .contact-band, .brand-band, footer.site {
  background-color: var(--steel);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.hero, .page-head {
  background-image:
    linear-gradient(90deg, rgb(12 18 24 / .9) 0%, rgb(12 18 24 / .62) 42%, rgb(12 18 24 / .12) 80%),
    url("images/fonds/tuyauterie-cuivre.svg");
}
.signs-band, .contact-band {
  background-image:
    linear-gradient(rgb(12 18 24 / .84), rgb(12 18 24 / .84)),
    url("images/fonds/tuyauterie-cuivre.svg");
  background-attachment: fixed;
}
.signs-band .sign { background: rgb(28 52 70 / .82); }
.brand-band {
  background-image:
    radial-gradient(ellipse at 20% 50%, rgb(36 68 91 / .9), rgb(12 18 24 / .78) 70%),
    url("images/fonds/tuyauterie-cuivre.svg");
}
footer.site {
  background-image:
    linear-gradient(rgb(12 18 24 / .92), rgb(12 18 24 / .92)),
    url("images/fonds/tuyauterie-cuivre.svg");
}
@media (max-width: 760px) {
  .hero, .page-head {
    background-image:
      linear-gradient(rgb(12 18 24 / .8), rgb(12 18 24 / .8)),
      url("images/fonds/tuyauterie-cuivre.svg");
  }
  .signs-band, .contact-band { background-attachment: scroll; }
}

/* Bouton Connexion (espace patron / employés) */
.btn-login { padding: 10px 14px; font-size: 1.05rem; color: var(--on-dark); border-color: rgba(255,255,255,.35); }
.btn-login:hover { border-color: var(--on-dark); }
.logo-text { white-space: nowrap; }
/* Écrans moyens : on resserre le menu pour que tout tienne sur une ligne */
@media (min-width: 901px) and (max-width: 1260px) {
  nav.main { gap: 13px; font-size: .86rem; }
  nav.main a { white-space: nowrap; }
  header.site .wrap { gap: 12px; }
  .btn-login .lbl, .head-phone .btn span.lbl { display: none; }
  .head-phone .btn { padding: 10px; }
}
@media (max-width: 480px) { .btn-login .lbl { display: none; } .btn-login { padding: 10px; } }

/* Bouton « Voir l’inspection » quand le cellulaire réduit les animations */
.cam-play { position: absolute; left: 50%; top: 50%; translate: -50% -50%; z-index: 3; display: inline-flex; align-items: center; gap: 10px; font-family: var(--f-display); font-weight: 700; font-size: 1.2rem; letter-spacing: .04em; text-transform: uppercase; padding: 14px 22px; border-radius: 99px; border: 2px solid rgba(255,255,255,.7); background: rgba(196,101,42,.92); color: #fff; cursor: pointer; box-shadow: 0 10px 30px rgba(0,0,0,.4); }
.cam-play svg { width: 22px; height: 22px; }
.cam-play:hover { background: var(--copper-ink); }