/* HBT Climatique – Levasseur. Orange = chaud, bleu = froid, marine = titres. */
:root {
  --blue: #2E86C1;
  --blue-600: #1F6FA8;
  --blue-050: #EAF4FB;
  --orange: #F28C28;
  --orange-600: #D9731A;
  --orange-050: #FEF3E6;
  --wood: #B4571C;
  --navy: #1B2A41;
  --ink: #33415A;
  --muted: #5C6A82;
  --line: #E2E8F0;
  --soft: #F5F7FA;
  --white: #fff;
  --radius: 14px;
  --shadow: 0 14px 34px -18px rgba(27, 42, 65, .35);
  --grad: linear-gradient(90deg, var(--orange), var(--blue));
  --font: "Avenir Next", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--white);
  padding-bottom: 76px; /* place pour la barre d'appel mobile */
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue-600); }
h1, h2, h3 { color: var(--navy); line-height: 1.15; margin: 0 0 .5em; text-wrap: balance; }
h1 { font-size: clamp(1.9rem, 5.4vw, 3.2rem); font-weight: 800; letter-spacing: -.02em; }
h2 { font-size: clamp(1.5rem, 3.6vw, 2.2rem); font-weight: 800; letter-spacing: -.015em; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; list-style: none; }
[id] { scroll-margin-top: 96px; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; border-radius: 4px; }

.container { width: min(1160px, 100% - 40px); margin-inline: auto; }
.narrow { max-width: 820px; }
.center { text-align: center; margin-top: 32px; }
.muted { color: var(--muted); }
.icon { width: 1.25em; height: 1.25em; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 12px; top: 12px; z-index: 100; background: var(--white); padding: 10px 14px; border-radius: 8px; }

/* Emplacements à remplir par l'artisan */
.todo { background: #FFF6DF; border: 1px dashed #D9A441; color: #6B4A00; padding: 0 .35em; border-radius: 4px; font-size: .92em; font-weight: 600; }

/* Boutons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 50px; padding: 0 22px; border-radius: 10px; border: 2px solid transparent;
  font: inherit; font-weight: 700; text-decoration: none; cursor: pointer; white-space: nowrap;
  transition: transform .15s ease, background-color .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn--call { background: var(--orange); color: var(--navy); box-shadow: 0 8px 18px -10px rgba(242, 140, 40, .9); }
.btn--call:hover { background: #F59B42; }
.btn--primary { background: var(--blue-600); color: var(--white); }
.btn--primary:hover { background: #1A6092; }
.btn--ghost { border-color: var(--navy); color: var(--navy); background: transparent; }
.btn--ghost:hover { background: var(--navy); color: var(--white); }
.btn--light { background: var(--white); color: var(--navy); }
.link { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; text-decoration: none; }
.link:hover { text-decoration: underline; }

/* Bandeau supérieur + en-tête */
.topbar { background: var(--navy); color: #DCE5F0; font-size: .86rem; }
.topbar__in { display: flex; justify-content: space-between; align-items: center; gap: 16px; min-height: 38px; }
.topbar span, .topbar a { display: inline-flex; align-items: center; gap: 6px; }
.topbar a { color: var(--white); font-weight: 700; text-decoration: none; }
.topbar .icon { color: var(--orange); }
.header { position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .96); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.header::before { content: ""; display: block; height: 3px; background: var(--grad); }
.header__in { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; position: relative; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--navy); }
.brand img { mix-blend-mode: multiply; }
.brand__txt { display: flex; flex-direction: column; line-height: 1.15; }
.brand__txt strong { font-size: 1.12rem; font-weight: 800; letter-spacing: .02em; text-transform: uppercase; }
.brand__txt small { font-size: .72rem; color: var(--muted); letter-spacing: .04em; }
.nav-toggle { display: inline-flex; align-items: center; justify-content: center; width: 48px; height: 48px; border: 1px solid var(--line); border-radius: 10px; background: var(--white); color: var(--navy); cursor: pointer; }
.nav-toggle .icon { width: 24px; height: 24px; }
.nav { display: none; position: absolute; left: -20px; right: -20px; top: 100%; flex-direction: column; background: var(--white); border-bottom: 1px solid var(--line); box-shadow: var(--shadow); padding: 8px 20px 20px; }
.nav.is-open { display: flex; }
.nav a:not(.btn) { padding: 14px 4px; border-bottom: 1px solid var(--line); color: var(--navy); font-weight: 600; text-decoration: none; }
.nav a[aria-current="page"] { color: var(--blue-600); }
.nav__cta { margin-top: 16px; }

/* Hero */
.hero { position: relative; overflow: hidden; padding: clamp(36px, 7vw, 88px) 0 clamp(40px, 7vw, 88px); background:
  radial-gradient(60% 70% at 0% 100%, rgba(242, 140, 40, .13), transparent 70%),
  radial-gradient(55% 70% at 100% 0%, rgba(46, 134, 193, .15), transparent 70%), var(--white); }
.hero__grid { display: grid; gap: 36px; align-items: center; }
.pill { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 999px; background: var(--white); border: 1px solid var(--line); font-size: .86rem; font-weight: 600; color: var(--navy); }
.pill .icon { color: var(--orange-600); }
.hot { background: linear-gradient(var(--orange), var(--orange)) 0 92% / 100% .16em no-repeat; }
.cold { background: linear-gradient(var(--blue), var(--blue)) 0 92% / 100% .16em no-repeat; }
.hero__lead { font-size: 1.12rem; color: var(--ink); max-width: 56ch; }
.hero__btns { display: flex; flex-direction: column; gap: 12px; margin: 24px 0 20px; }
.hero__checks { display: flex; flex-wrap: wrap; gap: 8px 20px; font-size: .95rem; color: var(--navy); font-weight: 600; }
.hero__checks li { display: inline-flex; align-items: center; gap: 6px; }
.hero__checks .icon { color: var(--blue-600); }
.hero__visual { position: relative; max-width: 440px; margin-inline: auto; width: 100%; }
.hero-card { position: relative; background: var(--white); border-radius: 22px; padding: 22px; box-shadow: var(--shadow); border: 1px solid var(--line); }
.hero-card::before { content: ""; position: absolute; inset: 14px -12px -14px 12px; border-radius: 26px; background: linear-gradient(135deg, var(--orange), var(--blue)); z-index: -1; transform: rotate(-3deg); opacity: .9; }
.hero-card img { border-radius: 12px; width: 100%; }
.duo { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 14px; }
.duo > div { display: flex; flex-direction: column; gap: 2px; padding: 12px; border-radius: 12px; font-size: .82rem; line-height: 1.35; color: var(--ink); }
.duo strong { color: var(--navy); font-size: 1rem; }
.duo .icon { width: 22px; height: 22px; margin-bottom: 4px; }
.duo__hot { background: var(--orange-050); }
.duo__hot .icon { color: var(--orange-600); }
.duo__cold { background: var(--blue-050); }
.duo__cold .icon { color: var(--blue-600); }

/* Réassurance */
.trust { background: var(--navy); color: #D5DEEA; }
.trust__grid { display: grid; grid-template-columns: 1fr; gap: 20px; padding-block: 28px; }
.trust li { display: flex; gap: 14px; align-items: flex-start; }
.trust .icon { width: 26px; height: 26px; margin-top: 2px; color: var(--orange); }
.trust li:nth-child(even) .icon { color: #6FB7E6; }
.trust strong { display: block; color: var(--white); font-size: 1.02rem; }
.trust span { font-size: .92rem; }

/* Sections */
.section { padding-block: clamp(52px, 8vw, 96px); }
.section--soft { background: var(--soft); }
.section__head { max-width: 760px; margin-bottom: 28px; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 10px; font-size: .8rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: var(--blue-600); }
.eyebrow::before { content: ""; width: 34px; height: 4px; border-radius: 4px; background: var(--grad); }
.lead { font-size: 1.08rem; color: var(--muted); }
.split { display: grid; gap: 32px; align-items: start; }
.note { padding: 14px 16px; background: var(--white); border-left: 4px solid var(--orange); border-radius: 8px; font-size: .96rem; }
.section:not(.section--soft) .note { background: var(--soft); }

/* Cartes de prestations */
.cards { display: grid; gap: 18px; }
.card { --accent: var(--blue-600); --accent-soft: var(--blue-050); --bar: var(--blue); position: relative; display: flex; flex-direction: column; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 22px 22px; overflow: hidden; transition: transform .18s ease, box-shadow .18s ease; }
.card::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 5px; background: var(--bar); }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card--hot { --accent: var(--orange-600); --accent-soft: var(--orange-050); --bar: var(--orange); }
.card--wood { --accent: var(--wood); --accent-soft: #FBEDE2; --bar: var(--wood); }
.card--duo { --accent: var(--navy); --accent-soft: linear-gradient(135deg, var(--orange-050), var(--blue-050)); --bar: var(--grad); }
.card__icon { display: grid; place-items: center; width: 54px; height: 54px; border-radius: 14px; background: var(--accent-soft); color: var(--accent); margin-bottom: 16px; }
.card__icon .icon { width: 28px; height: 28px; }
.card h3 { font-size: 1.25rem; }
.card h3 a { color: inherit; text-decoration: none; }
.card h3 a::after { content: ""; position: absolute; inset: 0; }
.card p { font-size: .98rem; }
.card__more { margin-top: auto; padding-top: 14px; display: inline-flex; align-items: center; gap: 6px; font-weight: 700; color: var(--accent); }
.ticks { display: grid; gap: 8px; font-size: .96rem; }
.ticks li { display: flex; gap: 8px; align-items: flex-start; }
.ticks .icon { color: var(--blue-600); margin-top: 3px; width: 1.1em; height: 1.1em; }

/* Aides */
.infobox { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; border-top: 5px solid var(--orange); }
.infobox .ticks { margin-bottom: 18px; }

/* Pourquoi nous */
.why { display: grid; gap: 22px; }
.why li { padding-left: 16px; border-left: 3px solid var(--line); }
.why li:nth-child(odd) { border-color: var(--orange); }
.why li:nth-child(even) { border-color: var(--blue); }
.why .icon { width: 26px; height: 26px; color: var(--navy); margin-bottom: 8px; }
.why h3 { margin-bottom: 4px; }
.why p { margin: 0; font-size: .98rem; }
.facts { display: grid; gap: 12px; margin: 36px 0 0; padding: 20px; background: var(--soft); border-radius: var(--radius); }
.facts dt { font-size: .82rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.facts dd { margin: 2px 0 0; font-weight: 700; color: var(--navy); }

/* Zone */
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 4px 0 20px; }
.chips li { padding: 6px 12px; background: var(--white); border: 1px solid var(--line); border-radius: 999px; font-size: .9rem; font-weight: 600; color: var(--navy); }
.map { position: relative; height: 380px; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: linear-gradient(135deg, var(--orange-050), var(--blue-050)); z-index: 0; }
.map__fallback { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; gap: 8px; margin: 0; padding: 20px; text-align: center; font-weight: 700; color: var(--navy); }
.map.is-ready .map__fallback { display: none; }
.leaflet-tooltip.map__label { padding: 4px 10px; background: rgba(255, 255, 255, .92); border: 0; border-radius: 999px; box-shadow: 0 1px 4px rgba(27, 42, 65, .2); font-size: .95rem; font-weight: 700; color: var(--navy); }
.leaflet-tooltip.map__label::before { display: none; }

/* Réalisations */
.gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.tile { min-width: 0; min-height: 150px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; padding: 12px; text-align: center; border: 2px dashed #CBD5E1; border-radius: var(--radius); background: var(--soft); color: var(--navy); font-size: .92rem; }
.tile__icon { color: #94A3B8; }
.tile__icon .icon { width: 30px; height: 30px; }

/* Avis */
.reviews { display: grid; gap: 16px; }
.review { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; display: flex; flex-direction: column; gap: 10px; }
.review p { margin: 0; }
.review__stars { display: flex; gap: 2px; color: #CBD5E1; }
.review__who { font-size: .9rem; color: var(--muted); }

/* Contact + formulaire */
.contact-list { display: grid; gap: 16px; margin-bottom: 28px; }
.contact-list li { display: flex; gap: 14px; align-items: flex-start; }
.contact-list .icon { width: 44px; height: 44px; padding: 11px; border-radius: 12px; background: var(--blue-050); color: var(--blue-600); }
.contact-list li:first-child .icon { background: var(--orange-050); color: var(--orange-600); }
.contact-list strong { display: block; font-size: .82rem; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.contact-list a, .contact-list span { font-size: 1.08rem; font-weight: 700; color: var(--navy); text-decoration: none; overflow-wrap: anywhere; }
.contact-list a:hover { text-decoration: underline; }
.formcard { background: var(--white); border: 1px solid var(--line); border-radius: 18px; padding: 24px 20px; box-shadow: var(--shadow); border-top: 5px solid transparent; border-image: var(--grad) 1; border-image-slice: 1 0 0 0; }
.formcard h2, .formcard h3 { font-size: 1.35rem; margin-bottom: 16px; }
.field { margin-bottom: 16px; }
.field label, .field legend { display: block; margin-bottom: 6px; font-weight: 700; color: var(--navy); font-size: .96rem; padding: 0; }
.field fieldset { border: 0; margin: 0; padding: 0; }
.field .req { color: var(--orange-600); }
.field input:not([type="checkbox"]):not([type="radio"]), .field select, .field textarea {
  width: 100%; min-height: 50px; padding: 12px 14px; border: 1.5px solid #CBD5E1; border-radius: 10px;
  font: inherit; font-size: 16px; color: var(--navy); background: var(--white);
}
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(46, 134, 193, .2); }
.field [aria-invalid="true"] { border-color: #C0392B !important; }
.field__choice { display: flex; align-items: flex-start; gap: 10px; font-weight: 500; margin-bottom: 8px; }
.field__choice input { width: 20px; height: 20px; margin-top: 3px; accent-color: var(--blue-600); }
.field__help { margin: 6px 0 0; font-size: .88rem; color: var(--muted); }
.field__error { margin: 6px 0 0; font-size: .9rem; font-weight: 600; color: #B03A2E; }
.devis-form__error { padding: 12px 14px; border-radius: 10px; background: #FDECEA; color: #8E2A20; font-weight: 600; }
.devis-form button[type="submit"] { width: 100%; }
.devis-form button[disabled] { opacity: .6; cursor: progress; }
.devis-form__done { padding: 22px; border-radius: 12px; background: var(--blue-050); color: var(--navy); }
.devis-form__done strong { display: flex; align-items: center; gap: 8px; font-size: 1.15rem; margin-bottom: 6px; }
.devis-form__done .icon { color: var(--blue-600); }
.devis-form__done p { margin: 0; }
.form-note { margin: 14px 0 0; font-size: .84rem; color: var(--muted); }
/* Champ piège à robots : invisible pour les visiteurs */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* Pages intérieures */
.page-hero { padding: 28px 0 40px; background: var(--soft); border-bottom: 1px solid var(--line); }
.page-hero--cold { background: linear-gradient(135deg, var(--blue-050), var(--white) 70%); }
.page-hero--hot { background: linear-gradient(135deg, var(--orange-050), var(--white) 70%); }
.page-hero--wood { background: linear-gradient(135deg, #FBEDE2, var(--white) 70%); }
.page-hero--duo { background: linear-gradient(120deg, var(--orange-050), var(--white) 45%, var(--blue-050)); }
.page-hero h1 { font-size: clamp(1.7rem, 4.6vw, 2.7rem); }
.page-hero__in { display: grid; gap: 20px; align-items: center; }
.page-hero__icon { display: none; }
.crumbs { display: flex; gap: 8px; align-items: center; margin-bottom: 18px; font-size: .88rem; color: var(--muted); }
.crumbs a { color: var(--muted); }
.article { display: grid; gap: 40px; align-items: start; }
.prose h2 { margin-top: 1.6em; font-size: clamp(1.3rem, 3vw, 1.7rem); }
.prose h2:first-child { margin-top: 0; }
.prose p { max-width: 70ch; }
.plain { display: grid; gap: 6px; margin-bottom: 1em; }
.fineprint { margin-top: 2.5em; font-size: .8rem; color: var(--muted); }
.steps { counter-reset: step; display: grid; gap: 14px; margin: 18px 0; }
.steps li { counter-increment: step; position: relative; padding: 2px 0 2px 54px; min-height: 40px; }
.steps li::before { content: counter(step); position: absolute; left: 0; top: 0; width: 40px; height: 40px; display: grid; place-items: center; border-radius: 50%; background: var(--navy); color: var(--white); font-weight: 800; }
.steps li:nth-child(odd)::before { background: var(--orange); color: var(--navy); }
.steps li:nth-child(even)::before { background: var(--blue-600); }
.steps strong { display: block; color: var(--navy); }
.steps span { font-size: .96rem; }
.aside__card { display: grid; gap: 12px; padding: 24px; border-radius: 18px; background: var(--navy); color: #D5DEEA; }
.aside__card h2 { color: var(--white); font-size: 1.35rem; margin: 0; }
.aside__card p { margin: 0; }
.aside__card .ticks { margin-top: 6px; font-size: .92rem; }
.aside__card .ticks .icon { color: var(--orange); }
.faq { display: grid; gap: 10px; }
.faq details { background: var(--white); border: 1px solid var(--line); border-radius: 12px; }
.faq summary { cursor: pointer; padding: 16px 48px 16px 18px; font-weight: 700; color: var(--navy); list-style: none; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 18px; top: 50%; transform: translateY(-50%); font-size: 1.5rem; font-weight: 400; color: var(--blue-600); }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 0; padding: 0 18px 18px; }
.cta-band { background: var(--navy); color: #D5DEEA; padding: 44px 0; position: relative; }
.cta-band::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 5px; background: var(--grad); }
.cta-band h2 { color: var(--white); margin-bottom: 6px; }
.cta-band p { margin: 0; }
.cta-band__in { display: grid; gap: 22px; align-items: center; }
.cta-band__btns { display: flex; flex-direction: column; gap: 12px; }

/* Pied de page */
.footer { background: #14202F; color: #B9C4D4; padding-top: 48px; font-size: .95rem; }
.footer a:not(.btn) { color: #E6ECF4; text-decoration: none; }
.footer a:not(.btn):hover { text-decoration: underline; }
.footer__grid { display: grid; gap: 32px; }
.footer__logo { width: 190px; background: var(--white); border-radius: 12px; padding: 8px; margin-bottom: 14px; }
.footer__title { font-size: .82rem; letter-spacing: .1em; text-transform: uppercase; color: var(--white); margin-bottom: 12px; }
.footer__list { display: grid; gap: 8px; }
.footer__contact { margin-bottom: 16px; }
.footer__contact li { display: flex; gap: 8px; align-items: center; overflow-wrap: anywhere; }
.footer__contact .icon { color: var(--orange); }
.footer__zone { margin-bottom: 8px; line-height: 1.7; }
.footer__bottom { display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: space-between; margin-top: 36px; padding-block: 18px; border-top: 1px solid rgba(255, 255, 255, .12); font-size: .88rem; }

.footer__links { display: flex; flex-wrap: wrap; gap: 8px 20px; }

/* Barre d'appel mobile */
.mobilebar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 10px 12px calc(10px + env(safe-area-inset-bottom)); background: var(--white); border-top: 1px solid var(--line); box-shadow: 0 -8px 24px -16px rgba(27, 42, 65, .5); }
.mobilebar .btn { padding: 0 10px; }

@media (min-width: 560px) {
  .hero__btns, .cta-band__btns { flex-direction: row; flex-wrap: wrap; }
  .trust__grid { grid-template-columns: 1fr 1fr; }
  .cards { grid-template-columns: 1fr 1fr; }
  .gallery { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .tile { min-height: 180px; }
  .why { grid-template-columns: 1fr 1fr; }
  .facts { grid-template-columns: repeat(3, 1fr); }
  .formcard { padding: 30px; }
}
@media (min-width: 768px) {
  body { padding-bottom: 0; }
  .mobilebar { display: none; }
  .reviews { grid-template-columns: repeat(3, 1fr); }
  .footer__grid { grid-template-columns: 1.2fr 1fr 1fr 1fr; }
  .page-hero { padding: 36px 0 56px; }
  .page-hero__in { grid-template-columns: 1fr auto; }
  .page-hero__icon { display: grid; place-items: center; width: 150px; height: 150px; border-radius: 50%; background: var(--white); color: var(--blue-600); box-shadow: var(--shadow); }
  .page-hero--hot .page-hero__icon { color: var(--orange-600); }
  .page-hero--wood .page-hero__icon { color: var(--wood); }
  .page-hero--duo .page-hero__icon { color: var(--navy); }
  .page-hero__icon .icon { width: 68px; height: 68px; stroke-width: 1.5; }
  .cta-band__in { grid-template-columns: 1fr auto; }
}
@media (min-width: 960px) {
  .hero__grid { grid-template-columns: 1.15fr .85fr; gap: 56px; }
  .split { grid-template-columns: 1.1fr .9fr; gap: 56px; }
  .split--map { grid-template-columns: .9fr 1.1fr; }
  .split--form { grid-template-columns: .85fr 1.15fr; }
  .map { height: 460px; }
  .trust__grid { grid-template-columns: repeat(4, 1fr); }
  .why { grid-template-columns: repeat(3, 1fr); }
  .article { grid-template-columns: minmax(0, 1fr) 320px; gap: 56px; }
  .aside { position: sticky; top: 110px; }
}
@media (min-width: 1100px) {
  .cards { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
  .nav-toggle { display: none; }
  .nav { display: flex; position: static; flex-direction: row; align-items: center; gap: 22px; padding: 0; border: 0; box-shadow: none; background: transparent; }
  .nav a:not(.btn) { padding: 6px 0; border: 0; font-size: .95rem; }
  .nav a:not(.btn):hover { color: var(--blue-600); }
  .nav__cta { margin: 0 0 0 6px; min-height: 44px; padding: 0 16px; }
}
@media (max-width: 420px) {
  .topbar span { display: none; }
  .topbar__in { justify-content: center; }
  .brand__txt small { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .card { transition: none; }
}

/* Photos de chantiers : mosaïque de l'accueil, cartes et en-têtes des prestations */
.hero__visual { max-width: 560px; }
.mosaic { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.mosaic::before { content: ""; position: absolute; inset: 14px -12px -14px 12px; border-radius: 26px; background: linear-gradient(135deg, var(--orange), var(--blue)); z-index: -1; transform: rotate(-2deg); opacity: .25; }
.mosaic__item { position: relative; display: block; overflow: hidden; border-radius: 16px; aspect-ratio: 4 / 3; box-shadow: var(--shadow); text-decoration: none; }
.mosaic__item img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.mosaic__item:hover img { transform: scale(1.04); }
.mosaic__tag { position: absolute; left: 8px; bottom: 8px; display: inline-flex; align-items: center; gap: 5px; padding: 5px 10px; border-radius: 999px; background: rgba(255, 255, 255, .94); color: var(--navy); font-size: .8rem; font-weight: 700; }
.mosaic__tag .icon { width: 16px; height: 16px; color: var(--blue-600); }
.mosaic__item--hot .mosaic__tag .icon { color: var(--orange-600); }
.mosaic__item--wood .mosaic__tag .icon { color: var(--wood); }
.mosaic__item--duo .mosaic__tag .icon { color: var(--navy); }
.card__photo { margin: -26px -22px 18px; aspect-ratio: 16 / 9; overflow: hidden; }
.card__photo img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.card:hover .card__photo img { transform: scale(1.04); }
.card .card__icon { margin-top: -46px; position: relative; border: 3px solid var(--white); }
.page-hero__photo { overflow: hidden; border-radius: var(--radius); box-shadow: var(--shadow); aspect-ratio: 16 / 9; }
.page-hero__photo img { width: 100%; height: 100%; object-fit: cover; }
@media (min-width: 768px) {
  .page-hero__in { grid-template-columns: 1.05fr .95fr; gap: 40px; }
}
@media (max-width: 959px) {
  .hero__visual { order: -1; }
  .mosaic::before { display: none; }
}