/* police hébergée sur le site (pas d'appel à Google) */
@font-face{font-family:'Overpass';font-style:normal;font-weight:400 800;font-display:swap;src:url(fonts/overpass-latin.woff2) format('woff2')}
/* MATP · Travaux publics & transport */
:root{
  --ink:#23262A; --ink2:#454A50; --mut:#6A7077; --line:#DCDFDA; --bg:#FFFFFF; --alt:#F1F2EF;
  --green:#247930; --green-d:#1B5E25; --yellow:#F3C316;
  --wrap:1200px; --r:4px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
[id]{scroll-margin-top:100px}
body{font-family:Overpass,system-ui,sans-serif;background:var(--bg);color:var(--ink);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;display:flex;flex-direction:column;min-height:100vh}
main{flex:1}
img{display:block;max-width:100%}
a{color:inherit}
:focus-visible{outline:3px solid var(--yellow);outline-offset:2px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 32px}
.nw{white-space:nowrap}
h1,h2,h3{font-weight:800;letter-spacing:-.015em;line-height:1.08}
h1{font-size:clamp(38px,5.2vw,72px);letter-spacing:-.025em;line-height:1.02}
h2{font-size:clamp(28px,3.2vw,42px)}
h3{font-size:22px;line-height:1.25}
sup{font-size:.6em;line-height:0}
.lead{font-size:19px;color:var(--ink2);max-width:46ch}

/* boutons et liens */
.reach{display:flex;flex-wrap:wrap;align-items:baseline;gap:12px 30px;margin-top:30px}
.reach .tel{display:inline-flex;align-items:center;gap:10px;font-size:28px;font-weight:800;letter-spacing:-.01em;line-height:1;text-decoration:none;color:inherit;white-space:nowrap}
.reach .tel svg{width:21px;height:21px;color:var(--green);flex:none}
.reach .tel:hover{text-decoration:underline;text-decoration-thickness:3px;text-underline-offset:6px}
.more{font-weight:700;color:var(--green);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:5px}
.more:hover{color:var(--green-d)}

/* en-tête */
header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:32px;height:84px}
.nav .logo img{height:58px;width:auto}
.nav ul{display:flex;gap:26px;list-style:none;margin-left:auto;font-weight:600;font-size:15px}
.nav ul a{text-decoration:none;padding:6px 0;border-bottom:2px solid transparent}
.nav ul a:hover{border-color:var(--line)}
.nav ul a[aria-current]{border-color:var(--green);color:var(--green-d)}
.hphone{display:inline-flex;align-items:center;gap:8px;font-weight:800;text-decoration:none;white-space:nowrap;font-size:17px}
.hphone svg{width:16px;height:16px;color:var(--green)}
.hphone:hover{color:var(--green)}
.burger{display:none;width:44px;height:44px;border:0;background:none;cursor:pointer;place-items:center;margin-right:-10px}
.burger i{display:block;width:22px;height:2px;background:var(--ink);position:relative}
.burger i::before,.burger i::after{content:"";position:absolute;left:0;width:22px;height:2px;background:var(--ink);transition:transform .2s}
.burger i::before{top:-7px}.burger i::after{top:7px}
.burger[aria-expanded=true] i{background:transparent}
.burger[aria-expanded=true] i::before{transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded=true] i::after{transform:translateY(-7px) rotate(-45deg)}
.mnav{display:none;border-top:1px solid var(--line);background:#fff;padding:6px 0 22px}
.mnav.on{display:block}
.mnav ul{list-style:none}
.mnav li a{display:block;padding:13px 0;border-bottom:1px solid var(--line);text-decoration:none;font-weight:700;font-size:19px}
.mnav li a[aria-current]{color:var(--green)}
.mnav .reach{margin-top:22px}
.mcall{display:none;width:44px;height:44px;place-items:center;color:var(--green)}
.mcall svg{width:24px;height:24px}

/* accueil : hero photo */
.hero{position:relative;min-height:min(84vh,760px);display:flex;align-items:flex-end;color:#fff;background:var(--ink)}
.hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 60%}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(25,27,30,.72) 0%,rgba(25,27,30,.35) 50%,rgba(25,27,30,0) 75%),linear-gradient(0deg,rgba(25,27,30,.75) 0%,rgba(25,27,30,0) 55%)}
.hero .wrap{position:relative;z-index:1;width:100%;padding-top:120px;padding-bottom:56px;display:grid;grid-template-columns:1fr auto;gap:40px;align-items:end}
.hero h1{max-width:13ch}
.hero .lead{color:rgba(255,255,255,.9);margin-top:20px}
.hero figcaption{font-size:13px;color:rgba(255,255,255,.75);max-width:24ch;text-align:right}
.facts{border-bottom:1px solid var(--line)}
.facts .wrap{display:grid;grid-template-columns:repeat(3,1fr)}
.facts .wrap>div{padding:26px 24px 24px 0;font-size:15px;color:var(--mut)}
.facts .wrap>div+div{padding-left:24px;border-left:1px solid var(--line)}
.facts b{display:block;color:var(--ink);font-size:20px;font-weight:800}

/* pages intérieures : en-tête */
.top{padding:28px 0 64px}
.crumbs{font-size:14px;color:var(--mut);margin-bottom:44px}
.crumbs a{text-decoration:none;font-weight:600;color:var(--ink2)}
.crumbs a:hover{text-decoration:underline}
.top .grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.top .grid>*{min-width:0}
.top h1{font-size:clamp(34px,4.2vw,58px)}
.top .lead{margin-top:20px}
.top .pic img,.top .pic .ph{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r)}
.onpage{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.onpage .wrap{display:flex;flex-wrap:wrap;gap:6px 26px;padding-top:16px;padding-bottom:16px;font-size:15px}
.onpage span{color:var(--mut)}
.onpage a{font-weight:700;text-decoration:none}
.onpage a:hover{color:var(--green);text-decoration:underline;text-underline-offset:4px}

/* photo à venir */
.ph{display:grid;place-items:center;text-align:center;color:var(--mut);font-size:14px;background:var(--alt);border:1px dashed #C4C8C2;border-radius:var(--r);min-height:200px;padding:20px}

section{padding:96px 0}
.alt{background:var(--alt)}
.shead{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:end;margin-bottom:48px}
.shead p{color:var(--ink2);max-width:52ch}

/* listes simples */
.lines{list-style:none;border-top:1px solid var(--line);margin-top:22px}
.lines li{border-bottom:1px solid var(--line);padding:11px 0;font-weight:600}
.lines a{display:block;position:relative;padding-right:28px;text-decoration:none}
.lines a:hover{color:var(--green)}
.lines a::after{content:"";position:absolute;right:6px;top:9px;width:9px;height:9px;border-top:2px solid currentColor;border-right:2px solid currentColor;transform:rotate(45deg);opacity:.5}

/* deux métiers */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px}
.split>div{min-width:0}
.split img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:var(--r);margin-bottom:26px}
.split p{color:var(--ink2);margin-top:12px;max-width:48ch}
.split .more{display:inline-block;margin-top:22px}
.nivrow{display:grid;grid-template-columns:180px 1fr auto;gap:32px;align-items:center;margin-top:64px;padding:24px 0;border-top:2px solid var(--ink);border-bottom:1px solid var(--line)}
.nivrow img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r)}
.nivrow p{color:var(--ink2);margin-top:4px}

/* blocs prestation */
.blk{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;padding:56px 0;border-top:1px solid var(--line)}
.blk:first-child{border-top:0;padding-top:8px}
.blk>*{min-width:0}
.blk:nth-child(even) .bm{order:2}
.bm img,.bm .ph{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r);cursor:zoom-in}
.bm .ph{cursor:default}
.bm .two{display:grid;grid-template-columns:1.4fr 1fr;gap:10px;aspect-ratio:4/3}
.bm .two img{height:100%;aspect-ratio:auto}
.bt p{color:var(--ink2);margin-top:14px;max-width:50ch}
.note{margin-top:18px;font-size:15px;color:var(--ink2);padding-left:14px;border-left:3px solid var(--green)}
.specs{display:grid;grid-template-columns:repeat(3,1fr);margin-top:24px;border-top:2px solid var(--ink)}
.specs div{padding:12px 12px 0 0;font-size:14px;color:var(--mut)}
.specs b{display:block;font-size:30px;font-weight:800;color:var(--ink);line-height:1.15}

/* chantier en étapes */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;list-style:none;counter-reset:s}
.steps li{counter-increment:s}
.steps img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:var(--r);cursor:zoom-in}
.steps h3{font-size:19px;margin-top:16px}
.steps h3::before{content:counter(s) ". ";color:var(--green)}
.steps p{font-size:15px;color:var(--ink2);margin-top:4px}
.towns{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.towns img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r);cursor:zoom-in}
.towns figcaption{margin-top:14px;color:var(--ink2);font-size:15px}
.towns b{display:block;font-size:18px;font-weight:800;color:var(--ink);margin-bottom:4px}
.towns+.more{display:inline-block;margin-top:30px}
.result{display:grid;grid-template-columns:1.6fr 1fr;gap:40px;align-items:end;margin-top:48px}
.result img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r);cursor:zoom-in}
.result p{color:var(--ink2);margin-top:12px}
.result .more{display:inline-block;margin-top:18px}

/* panneau de direction (zone d'intervention) */
.zone .wrap{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.zone .wrap>*{min-width:0}
.zone p{color:var(--ink2);margin-top:14px;max-width:46ch}
.sign{margin-top:32px;background:var(--green);border-radius:12px;padding:5px;max-width:500px;box-shadow:0 1px 0 #15451c}
.sign-in{border:3px solid #fff;border-radius:8px;color:#fff}
.sign-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:16px 20px}
.sign-row+.sign-row{border-top:3px solid #fff}
.sign-row b{font-size:24px;font-weight:800;margin-right:auto;letter-spacing:-.01em}
.cart{display:inline-block;background:var(--yellow);color:#111;font-weight:800;font-size:19px;line-height:1;padding:6px 8px 4px;border-radius:3px;box-shadow:inset 0 0 0 1.5px #111}
.sign-row .dest{font-size:20px;font-weight:700}
.sign-row svg{width:34px;height:22px;flex:none}
.map{width:100%;height:auto}
.map .fr{fill:#fff;stroke:#B9BEB7;stroke-width:1.2;stroke-linejoin:round}
.map .tp{fill:var(--green);stroke:#fff;stroke-width:1.5;stroke-linejoin:round}
.map .rt{fill:none;stroke:var(--ink2);stroke-width:1.3;stroke-dasharray:5 5;stroke-linecap:round}
.map .city{fill:var(--ink)}
.map .ct{font:600 13px Overpass,sans-serif;fill:var(--ink);paint-order:stroke;stroke:var(--alt);stroke-width:4px;stroke-linejoin:round}
.map .dn{font:800 12px Overpass,sans-serif;fill:#fff;text-anchor:middle}
.map .base{fill:var(--yellow);stroke:var(--ink);stroke-width:2}
.map .bl{font:800 15px Overpass,sans-serif;fill:var(--ink);paint-order:stroke;stroke:var(--alt);stroke-width:5px;stroke-linejoin:round}

/* points forts */
.points{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.points div{border-top:2px solid var(--ink);padding-top:16px}
.points h3{font-size:19px}
.points p{font-size:16px;color:var(--ink2);margin-top:6px}

/* appel */
.call{background:var(--green);color:#fff;padding:72px 0}
.call .wrap{display:grid;grid-template-columns:1fr auto;gap:40px;align-items:end}
.call p{font-size:19px;color:rgba(255,255,255,.88)}
.call .num{display:inline-block;font-size:clamp(40px,6.4vw,88px);font-weight:800;letter-spacing:-.02em;line-height:1;text-decoration:none;margin-top:10px}
.call .num:hover{text-decoration:underline;text-decoration-thickness:4px;text-underline-offset:8px}
.call .side{display:grid;gap:10px;justify-items:start}
.call .side span{font-size:15px;color:rgba(255,255,255,.8)}

/* galerie */
.filters{position:relative;display:flex;flex-wrap:wrap;gap:4px 24px;margin-bottom:32px;border-bottom:1px solid var(--line)}
.filters input{position:absolute;opacity:0;width:1px;height:1px}
.filters label{cursor:pointer;padding:10px 0;font-weight:700;color:var(--mut);border-bottom:2px solid transparent;margin-bottom:-1px}
.filters label:hover{color:var(--ink)}
.filters input:checked+label{color:var(--ink);border-color:var(--green)}
.filters input:focus-visible+label{outline:3px solid var(--yellow);outline-offset:2px}
.gal{columns:3;column-gap:20px}
.gal figure{break-inside:avoid;margin-bottom:24px}
.gal figure.hide{display:none}
.gal img{width:100%;border-radius:var(--r);cursor:zoom-in}
.gal figcaption{font-size:14px;color:var(--ink2);margin-top:8px}

/* à propos */
.story{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.story>*{min-width:0}
.story p{color:var(--ink2);margin-top:14px}
.todo{background:#FFF3C4;padding:1px 4px;border-radius:2px;color:#5B4500;font-weight:600}
.fleet{position:relative;padding:0;color:#fff;background:var(--ink)}
.fleet>img{width:100%;height:min(70vh,620px);object-fit:cover;object-position:50% 40%;opacity:.55}
.fleet .wrap{position:absolute;left:0;right:0;bottom:0;padding-bottom:56px}
.fleet p{max-width:46ch;margin-top:12px;color:rgba(255,255,255,.9)}
.fleet ul{list-style:none;display:grid;grid-template-columns:repeat(3,auto);justify-content:start;gap:4px 40px;margin-top:22px;font-weight:700}
.fleet li::before{content:"";display:inline-block;width:8px;height:8px;background:var(--yellow);margin-right:10px;vertical-align:2px}

/* contact */
.contact .wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:72px}
.contact .wrap>*{min-width:0}
.contact h1{font-size:clamp(34px,4.2vw,56px)}
.contact .bignum{display:inline-block;font-size:clamp(32px,3.6vw,46px);font-weight:800;letter-spacing:-.02em;text-decoration:none;color:var(--green);margin-top:28px;line-height:1}
.contact .bignum:hover{text-decoration:underline;text-underline-offset:6px}
.faq h2{margin-bottom:32px}
.faq dl{border-top:1px solid var(--line);max-width:860px}
.faq dl div{padding:20px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.4fr);gap:32px}
.faq dt{font-weight:800;font-size:17px}
.faq dd{margin:0;color:var(--ink2)}
.contact dl{margin-top:28px;border-top:1px solid var(--line)}
.contact dl div{padding:12px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:110px 1fr;gap:12px}
.contact dt{color:var(--mut);font-size:15px}
.contact dd{font-weight:600;overflow-wrap:anywhere}
.contact dd a{text-decoration:none}
.contact dd a:hover{text-decoration:underline}
form{display:grid;gap:18px}
form h2{font-size:26px}
fieldset{border:0;min-width:0}
legend{font-weight:700;font-size:15px;margin-bottom:10px}
.checks{display:grid;grid-template-columns:1fr 1fr;gap:8px 20px}
.checks label{display:flex;gap:10px;align-items:center;font-size:16px;cursor:pointer}
.checks input{width:18px;height:18px;accent-color:var(--green);flex:none}
.row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
form label.f{display:grid;gap:6px;font-size:15px;font-weight:700}
input,select,textarea{font:inherit;font-size:16px;width:100%;min-width:0;border:1px solid #B9BEB7;border-radius:var(--r);padding:12px 13px;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--green);outline-offset:0;border-color:var(--green)}
textarea{min-height:120px;resize:vertical}
form .send{justify-self:start;font:inherit;font-weight:700;font-size:16px;padding:15px 26px;border:0;border-radius:2px;background:var(--ink);color:#fff;cursor:pointer}
form .send:hover{background:var(--green-d)}
form .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
form .send:disabled{opacity:.6;cursor:default}
form .legal{font-size:13px;color:var(--mut)}

/* texte long */
.prose{max-width:760px}
.prose h2{font-size:22px;margin:40px 0 10px}
.prose p{color:var(--ink2);margin-bottom:8px}

/* pied de page */
footer{background:var(--ink);color:#C9CCD0;padding:64px 0 32px;font-size:15px}
footer .cols{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:40px}
footer .plate{display:inline-block;background:#fff;border-radius:6px;padding:10px 14px;margin-bottom:16px}
footer .plate img{height:54px;width:auto}
footer h2{font-size:15px;color:#fff;margin-bottom:12px;letter-spacing:0}
footer ul{list-style:none;display:grid;gap:6px}
footer a{text-decoration:none}
footer a:hover{color:#fff;text-decoration:underline}
footer .legal{margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#9A9FA5}

.lb{position:fixed;inset:0;z-index:90;background:rgba(18,19,21,.94);display:none;place-items:center;padding:24px;cursor:zoom-out}
.lb.on{display:grid}
.lb img{max-height:90vh;max-width:92vw}

@media (max-width:1140px){
  .nav{gap:22px}
  .nav ul{gap:18px}
}
@media (max-width:980px){
  .nav ul,.hphone{display:none}
  .burger{display:grid}
  .mcall{display:grid;margin-left:auto}
  .hero .wrap{grid-template-columns:1fr}
  .hero figcaption{text-align:left}
  .top .grid,.shead,.split,.zone .wrap,.story,.contact .wrap,.call .wrap{grid-template-columns:1fr}
  .top .grid{gap:36px}
  .shead{gap:16px}
  .split{gap:64px}
  .blk{grid-template-columns:1fr;gap:28px}
  .blk:nth-child(even) .bm{order:0}
  .steps{grid-template-columns:1fr 1fr}
  .result{grid-template-columns:1fr;gap:20px}
  .points{grid-template-columns:1fr 1fr}
  .gal{columns:2}
  footer .cols{grid-template-columns:1fr 1fr}
  .fleet ul{grid-template-columns:repeat(2,auto)}
}
@media (max-width:640px){
  .faq dl div{grid-template-columns:1fr;gap:6px}
  .towns{grid-template-columns:1fr;gap:28px}
  .wrap{padding:0 20px}
  .nav{height:70px;gap:12px}
  .nav .logo img{height:46px}
  .hero{min-height:560px}
  .hero .wrap{padding-bottom:36px;gap:20px}
  .hero h1{font-size:clamp(34px,10vw,44px)}
  .lead{font-size:17px}
  .reach .tel{font-size:25px}
  .facts .wrap{grid-template-columns:1fr}
  .facts .wrap>div,.facts .wrap>div+div{padding:14px 0;border-left:0;border-top:1px solid var(--line)}
  .facts .wrap>div:first-child{border-top:0}
  section{padding:64px 0}
  .shead{margin-bottom:32px}
  .top{padding:20px 0 48px}
  .crumbs{margin-bottom:28px}
  .top h1{font-size:clamp(30px,8.6vw,40px)}
  .nivrow{grid-template-columns:1fr;gap:16px}
  .blk{padding:44px 0}
  .specs b{font-size:24px}
  .steps{gap:14px}
  .steps h3{font-size:17px}
  .points{grid-template-columns:1fr;gap:22px}
  .sign-row{padding:12px 14px}
  .sign-row b{font-size:19px;width:100%}
  .map .ct{font-size:20px;stroke-width:5px}
  .map .bl{font-size:22px}
  .map .dn{font-size:17px}
  .call{padding:56px 0}
  .gal{columns:1}
  .fleet>img{height:520px}
  .fleet ul{grid-template-columns:1fr}
  .row,.checks{grid-template-columns:1fr}
  .contact .wrap{gap:48px}
  footer .cols{grid-template-columns:1fr;gap:28px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* liens sur fond sombre */
.hero .reach .tel svg{color:var(--yellow)}
.hero .reach .more,.call .more{color:#fff}
.hero .reach .more:hover,.call .more:hover{color:var(--yellow)}
footer .credit{display:flex;gap:8px 24px;flex-wrap:wrap}