/* Site vitrine BatiConnect Solution — charte issue du logo : bleu marine #002381, corail #ff3040. */
@font-face { font-family: "Barlow Condensed"; font-weight: 600; font-display: swap; src: url(/fonts/barlow-condensed-600.woff2) format("woff2"); }
@font-face { font-family: "Barlow Condensed"; font-weight: 700; font-display: swap; src: url(/fonts/barlow-condensed-700.woff2) format("woff2"); }
@font-face { font-family: "Source Sans 3"; font-weight: 200 900; font-display: swap; src: url(/fonts/source-sans-3.woff2) format("woff2"); }

:root {
  --bg: #f1f3f8;
  --surface: #ffffff;
  --ink: #0f1633;
  --muted: #545c78;
  --line: #d3d8e6;
  --navy: #002381;
  --navy-deep: #00174f;
  --coral: #ff3040;
  --coral-ink: #d81f30;
  --tint: #e2e8f7;
  --on-dark: #eef1fa;
  --on-dark-muted: #b6bfdc;
  --plate: #ffffff;
  --font-display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --font-body: "Source Sans 3", "Segoe UI", system-ui, sans-serif;
  --font-data: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1020; --surface: #131a30; --ink: #e9ecf6; --muted: #a2aac4; --line: #263051;
    --navy: #7f9cff; --navy-deep: #050a1a; --coral: #ff5a66; --coral-ink: #ff7a84; --tint: #18224a;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font-body); font-size: 17px; line-height: 1.55; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 700; line-height: 1.04; text-wrap: balance; margin: 0; }
h2 { font-size: clamp(2rem, 4.2vw, 2.8rem); text-transform: uppercase; }
h3 { font-size: 1.4rem; font-weight: 600; }
p { margin: 0; }
:focus-visible { outline: 3px solid var(--coral); outline-offset: 2px; }
.wrap { max-width: 1160px; margin: 0 auto; padding-left: max(20px, env(safe-area-inset-left, 0px)); padding-right: max(20px, env(safe-area-inset-right, 0px)); }
.eyebrow { display: block; font-family: var(--font-data); font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; color: var(--coral-ink); margin-bottom: 12px; }
.muted { color: var(--muted); }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 12px; top: 12px; z-index: 50; background: var(--surface); padding: 8px 12px; }

/* Boutons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-family: var(--font-display); font-weight: 600; font-size: 1.1rem; letter-spacing: .04em; text-transform: uppercase; text-decoration: none; padding: 11px 20px; border: 2px solid var(--coral); background: var(--coral); color: #fff; border-radius: 999px; cursor: pointer; }
.btn:hover { background: var(--coral-ink); border-color: var(--coral-ink); }
.btn.ghost { background: transparent; color: inherit; border-color: currentColor; }
.btn.ghost:hover { background: rgba(255,255,255,.08); }

/* En-tête : plaque blanche pour le logo dans les deux thèmes */
.top { position: sticky; top: 0; z-index: 20; background: var(--plate); border-bottom: 1px solid #dfe3ee; color: #0f1633; }
.top .wrap { display: flex; align-items: center; gap: 28px; padding-block: 10px; }
.brand { margin-right: auto; display: flex; align-items: center; }
.brand img { height: 66px; width: auto; }
.links { display: flex; gap: 24px; font-weight: 600; font-size: .98rem; }
.links a { text-decoration: none; color: #0f1633; }
.links a:hover, .links a[aria-current="page"] { color: #002381; text-decoration: underline; text-decoration-color: #ff3040; text-decoration-thickness: 3px; text-underline-offset: 8px; }
.menu-btn { display: none; background: none; border: 2px solid #002381; color: #002381; border-radius: 999px; padding: 6px 14px; font: 600 .95rem var(--font-body); cursor: pointer; }

/* Hero */
.hero { background: var(--navy-deep); color: var(--on-dark); overflow: hidden; }
.hero .wrap { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; padding-block: 64px; }
.hero h1 { font-size: clamp(2.7rem, 6.2vw, 4.9rem); text-transform: uppercase; }
.hero h1 em { font-style: normal; color: #ff5a66; }
.hero .eyebrow { color: #ff8a93; }
.hero .lead { margin-top: 20px; font-size: 1.15rem; max-width: 34em; color: var(--on-dark-muted); }
.hero .ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero .facts { display: flex; flex-wrap: wrap; gap: 28px; margin-top: 36px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.16); }
.hero .facts b { display: block; font-family: var(--font-display); font-size: 2.2rem; line-height: 1; color: #fff; font-variant-numeric: tabular-nums; }
.hero .facts span { font-size: .85rem; color: var(--on-dark-muted); }
.mosaic { display: grid; grid-template-columns: 1.25fr 1fr; grid-template-rows: 1fr 1fr; gap: 12px; min-width: 0; height: 520px; }
.mosaic figure { margin: 0; position: relative; overflow: hidden; border-radius: 18px; min-height: 0; }
.mosaic figure:first-child { grid-row: span 2; }
.mosaic img { width: 100%; height: 100%; object-fit: cover; }
.mosaic figcaption { position: absolute; left: 10px; bottom: 10px; right: 10px; font-size: .78rem; background: rgba(0,23,79,.82); color: #fff; padding: 5px 10px; border-radius: 999px; width: fit-content; max-width: calc(100% - 20px); }

/* Sections */
.band { padding-block: 84px; }
.band.alt { background: var(--surface); border-block: 1px solid var(--line); }
.sec-head { display: grid; grid-template-columns: 1fr 1.15fr; gap: 32px; align-items: end; margin-bottom: 40px; }
.sec-head p { color: var(--muted); max-width: 40em; }
.sec-head.stacked { display: block; }

/* Métiers */
.metiers { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.metier { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 26px; display: flex; flex-direction: column; gap: 12px; grid-column: span 2; }
.metier p { color: var(--muted); }
.metier.wide { grid-column: span 3; }
.metier.main { grid-column: span 4; grid-row: span 2; background: var(--navy-deep); border-color: var(--navy-deep); color: var(--on-dark); }
.metier.main h3 { font-size: 2.3rem; }
.metier.main p, .metier.main li { color: var(--on-dark-muted); }
.metier.main ul { margin: 4px 0 0; padding-left: 18px; display: grid; gap: 4px; }
.metier.main .tag { color: #fff; background: #ff3040; border-color: #ff3040; }
.tag { align-self: flex-start; font-family: var(--font-data); font-size: .66rem; letter-spacing: .1em; text-transform: uppercase; border: 1px solid var(--line); border-radius: 999px; padding: 3px 10px; color: var(--muted); }

/* Réalisations */
.chantiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.fiche { background: var(--bg); border: 1px solid var(--line); border-radius: 18px; overflow: hidden; display: flex; flex-direction: column; }
.fiche img { aspect-ratio: 4 / 3; width: 100%; object-fit: cover; }
.fiche .body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.fiche .when { font-family: var(--font-data); font-size: .72rem; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
.fiche p { color: var(--muted); font-size: .96rem; }
.fiche dl { display: grid; grid-template-columns: auto 1fr; gap: 4px 14px; margin: auto 0 0; padding-top: 12px; border-top: 1px dashed var(--line); font-size: .86rem; }
.fiche dt { font-family: var(--font-data); font-size: .68rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); padding-top: 2px; }
.fiche dd { margin: 0; font-family: var(--font-data); font-variant-numeric: tabular-nums; }
.fiche .src { font-size: .82rem; color: var(--navy); }

/* Méthode */
.methode { display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; align-items: start; }
.steps { list-style: none; margin: 0; padding: 0 0 0 26px; border-left: 3px solid var(--navy); display: grid; gap: 24px; }
.steps li { position: relative; }
.steps li::before { content: ""; position: absolute; left: -38px; top: 4px; width: 18px; height: 18px; border-radius: 50%; background: var(--bg); border: 4px solid var(--coral); }
.steps .n { font-family: var(--font-data); font-size: .76rem; color: var(--coral-ink); }
.steps p { color: var(--muted); }
.proof { display: grid; gap: 12px; }
.proof figure { margin: 0; border-radius: 18px; overflow: hidden; position: relative; }
.proof img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.proof figcaption { font-size: .86rem; color: var(--muted); padding: 10px 2px 0; }

/* Zone */
.zone { background: var(--navy-deep); color: var(--on-dark); }
.zone .wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; padding-block: 64px; }
.zone .eyebrow { color: #ff8a93; }
.zone p { color: var(--on-dark-muted); margin-top: 14px; }
.deps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.dep { border: 1px solid rgba(255,255,255,.18); border-radius: 14px; padding: 14px; }
.dep b { display: block; font-family: var(--font-display); font-size: 2.1rem; line-height: 1; color: #ff5a66; font-variant-numeric: tabular-nums; }
.dep span { font-size: .82rem; color: var(--on-dark-muted); }
.dep.done { background: rgba(255,48,64,.14); border-color: #ff5a66; }

/* Bandeau pros */
.pros { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.pro { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 28px; display: flex; flex-direction: column; gap: 12px; align-items: flex-start; }
.pro p { color: var(--muted); }
.pro .btn { margin-top: auto; }

/* Formulaires */
.contact { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; }
.contact aside { display: flex; flex-direction: column; gap: 18px; }
.coord { border-left: 3px solid var(--coral); padding-left: 14px; }
.coord .k { font-family: var(--font-data); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.coord a { font-weight: 600; }
form.card { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 28px; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
form .full { grid-column: 1 / -1; }
label { display: flex; flex-direction: column; gap: 6px; font-size: .9rem; font-weight: 600; }
input, select, textarea { font: inherit; font-weight: 400; font-size: 1rem; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg); color: var(--ink); width: 100%; }
textarea { min-height: 120px; resize: vertical; }
.radios { display: flex; flex-wrap: wrap; gap: 8px; border: 0; padding: 0; margin: 0; }
.radios legend { font-size: .9rem; font-weight: 600; margin-bottom: 8px; padding: 0; }
.radios label { flex-direction: row; align-items: center; gap: 6px; font-weight: 400; border: 1px solid var(--line); border-radius: 999px; padding: 8px 14px; cursor: pointer; background: var(--bg); }
.radios input { width: auto; accent-color: var(--coral); }
.radios label:has(input:checked) { border-color: var(--navy); background: var(--tint); }
.hp { position: absolute; left: -5000px; width: 1px; height: 1px; overflow: hidden; }
.consent { font-size: .84rem; color: var(--muted); }
.form-row { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.status { grid-column: 1 / -1; border-radius: 10px; padding: 12px 14px; font-size: .95rem; }
.status.ok { background: var(--tint); border: 1px solid var(--navy); }
.status.err { background: rgba(255,48,64,.1); border: 1px solid var(--coral); }

/* Pages intérieures */
.page-head { background: var(--navy-deep); color: var(--on-dark); }
.page-head .wrap { padding-block: 56px; display: grid; gap: 14px; }
.page-head h1 { font-size: clamp(2.4rem, 5vw, 3.8rem); text-transform: uppercase; }
.page-head p { color: var(--on-dark-muted); max-width: 44em; font-size: 1.1rem; }
.page-head .eyebrow { color: #ff8a93; }
.prose { max-width: 760px; display: grid; gap: 16px; }
.prose h2 { font-size: 1.9rem; margin-top: 18px; }
.prose ul { margin: 0; padding-left: 20px; display: grid; gap: 6px; }
.docs { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.doc { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px; }
.doc b { display: block; }
.doc span { font-size: .9rem; color: var(--muted); }
.split { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: start; }
.split img { border-radius: 18px; width: 100%; aspect-ratio: 3 / 4; object-fit: cover; }
.todo { color: var(--coral-ink); font-family: var(--font-data); font-size: .88rem; }

footer { background: var(--surface); border-top: 1px solid var(--line); }
footer .wrap { padding-block: 36px; display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 28px; font-size: .92rem; }
footer h4 { font-family: var(--font-data); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin: 0 0 10px; font-weight: 500; }
footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
footer a { text-decoration: none; }
footer a:hover { text-decoration: underline; }
footer .legal { grid-column: 1 / -1; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: .84rem; }

@media (max-width: 920px) {
  .hero .wrap, .sec-head, .zone .wrap, .contact, .methode, .split { grid-template-columns: 1fr; }
  .mosaic { height: 420px; }
  .metiers { grid-template-columns: 1fr 1fr; }
  .metier, .metier.main, .metier.wide { grid-column: span 1; grid-row: auto; }
  .metier.main { grid-column: span 2; }
  .chantiers { grid-template-columns: 1fr 1fr; }
  .menu-btn { display: inline-block; }
  .links { display: none; position: absolute; top: 100%; left: 0; right: 0; background: #fff; flex-direction: column; gap: 0; border-bottom: 1px solid #dfe3ee; padding: 8px max(20px, env(safe-area-inset-left, 0px)); }
  .links.open { display: flex; }
  .links a { padding: 12px 0; }
  .top .btn { display: none; }
  footer .wrap { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  .band { padding-block: 56px; }
  .brand img { height: 46px; }
  .mosaic { height: 340px; }
  .metier, .metier.main, .metier.wide { grid-column: span 2; }
  .chantiers, .pros, .docs { grid-template-columns: 1fr; }
  .deps { grid-template-columns: repeat(2, 1fr); }
  form.card { grid-template-columns: 1fr; padding: 20px; }
  footer .wrap { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

/* Liens de suite et bandeau d'appel */
.more-row { margin-top: 28px; }
.more { font-weight: 600; color: var(--navy); text-decoration: none; border-bottom: 2px solid var(--coral); padding-bottom: 2px; }
.more::after { content: " →"; }
.more:hover { color: var(--coral-ink); }
.cta-band { background: var(--coral); color: #fff; }
.cta-band .wrap { padding-block: 48px; display: flex; flex-wrap: wrap; gap: 24px; align-items: center; justify-content: space-between; }
.cta-band .eyebrow { color: #fff; opacity: .85; }
.cta-band p { max-width: 40em; margin-top: 10px; }
.cta-band .btn { background: #fff; color: #d81f30; border-color: #fff; }
.cta-band .btn:hover { background: #00174f; border-color: #00174f; color: #fff; }

/* Page métiers */
.metier-detail { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; align-items: center; }
.metier-detail + .metier-detail { margin-top: 72px; }
.metier-detail.flip > :first-child { order: 2; }
.metier-detail .photos { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; min-width: 0; }
.metier-detail .photos img { border-radius: 18px; width: 100%; aspect-ratio: 3 / 4; object-fit: cover; }
.metier-detail .prose { max-width: none; }
.metier-detail h2 { margin-top: 0; }
.chips, .prose .chips { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 0; }
.chips li { font-family: var(--font-data); font-size: .8rem; border: 1px solid var(--line); background: var(--surface); border-radius: 999px; padding: 5px 12px; }
.metier-mini { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.metier-mini .metier { grid-column: auto; }

/* Page réalisations */
.chantier { display: grid; grid-template-columns: 1.3fr 1fr; gap: 36px; padding-block: 44px; border-top: 1px solid var(--line); align-items: start; }
.chantier:first-of-type { border-top: 0; padding-top: 0; }
.chantier .gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; min-width: 0; }
.chantier .gallery img { border-radius: 14px; width: 100%; aspect-ratio: 3 / 4; object-fit: cover; }
.chantier .gallery.two { grid-template-columns: repeat(2, 1fr); }
.chantier .gallery.one { grid-template-columns: 1fr; }
.chantier .gallery.one img { aspect-ratio: 4 / 3; }
.chantier .info { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.chantier .info p { color: var(--muted); }
.chantier .when { font-family: var(--font-data); font-size: .74rem; color: var(--coral-ink); text-transform: uppercase; letter-spacing: .08em; }
.chantier dl { display: grid; grid-template-columns: auto 1fr; gap: 4px 16px; margin: 0; padding-top: 12px; border-top: 1px dashed var(--line); font-size: .9rem; }
.chantier dt { font-family: var(--font-data); font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); padding-top: 2px; }
.chantier dd { margin: 0; font-family: var(--font-data); }
.chantier .src { font-size: .88rem; color: var(--navy); }
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 36px; }
.filters button { font: 600 .92rem var(--font-body); border: 1px solid var(--line); background: var(--surface); color: var(--ink); border-radius: 999px; padding: 8px 16px; cursor: pointer; }
.filters button[aria-pressed="true"] { background: var(--navy-deep); border-color: var(--navy-deep); color: #fff; }

@media (max-width: 920px) {
  .metier-detail, .chantier { grid-template-columns: 1fr; }
  .metier-detail.flip > :first-child { order: 0; }
  .metier-mini { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .chantier .gallery { grid-template-columns: repeat(2, 1fr); }
  .chantier .gallery img:nth-child(3) { display: none; }
}
[hidden] { display: none !important; }