/* ==========================================================================
   ARROUGÉ RAIL SERVICE — feuille de style principale
   ========================================================================== */
:root{
  --navy:#0d0d0d;
  --navy-2:#1a1a1a;
  --navy-3:#2a2a2a;
  --orange:#ff5500;
  --orange-2:#ff7a33;
  --ink:#111111;
  --muted:#5c5c5c;
  --line:#e4e4e4;
  --bg:#ffffff;
  --bg-2:#f4f4f4;
  --ok:#1f9d55;
  --radius:14px;
  --shadow:0 10px 30px rgba(0,0,0,.12);
  --font-head:"Barlow Condensed","Arial Narrow",Arial,sans-serif;
  --font-body:"Barlow",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --container:1160px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font-body);font-size:17px;line-height:1.6;color:var(--ink);background:var(--bg)}
img,svg{max-width:100%;height:auto;display:block}
a{color:#111;text-decoration-color:var(--orange)}
h1,h2,h3,h4{font-family:var(--font-head);line-height:1.1;margin:0 0 .5em;color:var(--navy);font-weight:700;letter-spacing:.01em}
h1{font-size:clamp(2.3rem,5vw,3.9rem);text-transform:uppercase}
h2{font-size:clamp(1.9rem,3.4vw,2.7rem);text-transform:uppercase}
h3{font-size:1.45rem}
p{margin:0 0 1em}
ul{padding-left:1.2em}
.container{width:min(var(--container),100% - 2.5rem);margin-inline:auto}
.skip{position:absolute;left:-999px;top:0;background:var(--orange);color:#000;padding:.5rem 1rem;z-index:100}
.skip:focus{left:1rem;top:1rem}
:focus-visible{outline:3px solid var(--orange);outline-offset:2px}

/* --- boutons --- */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.85rem 1.5rem;border-radius:10px;font-weight:700;text-decoration:none;font-size:1rem;border:2px solid transparent;transition:transform .15s,box-shadow .15s,background .15s;cursor:pointer;font-family:var(--font-body)}
.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow)}
.btn-primary{background:var(--orange);color:#111}
.btn-primary:hover{background:var(--orange-2)}
.btn-outline{border-color:#fff;color:#fff;background:transparent}
.btn-outline:hover{background:rgba(255,255,255,.1)}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:var(--navy-3)}
.btn-ghost{border-color:var(--navy);color:var(--navy);background:transparent}
.btn-ghost:hover{background:var(--navy);color:#fff}

/* --- barre d'urgence --- */
.topbar{background:var(--navy);color:#fff;font-size:.9rem}
.topbar .mail{display:inline}
@media (max-width:640px){.topbar .mail{display:none}}
.topbar .container{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:.4rem 0;flex-wrap:wrap}
.topbar a{color:#fff;text-decoration:none;font-weight:600}
.topbar .pulse{display:inline-block;width:.6rem;height:.6rem;border-radius:50%;background:var(--ok);margin-right:.4rem;box-shadow:0 0 0 0 rgba(31,157,85,.6);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(31,157,85,.6)}70%{box-shadow:0 0 0 8px rgba(31,157,85,0)}100%{box-shadow:0 0 0 0 rgba(31,157,85,0)}}

/* --- header --- */
.header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 2px 12px rgba(0,0,0,.08)}
.header .container{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:74px}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none;color:var(--navy)}
.brand-logo{height:64px;width:auto;border-radius:6px;display:block}
.footer .brand-logo{height:72px}
.brand-name{white-space:nowrap;font-family:var(--font-head);font-weight:800;font-size:1.35rem;line-height:1;letter-spacing:.02em;text-transform:uppercase}
.brand-name small{display:block;font-family:var(--font-body);font-weight:500;font-size:.68rem;letter-spacing:.14em;color:var(--orange);margin-top:.2rem}
.nav ul{list-style:none;margin:0;padding:0;display:flex;gap:.2rem;align-items:center}
.nav a{display:block;white-space:nowrap;padding:.6rem .85rem;text-decoration:none;color:var(--ink);font-weight:600;border-radius:8px}
.nav a:hover,.nav a[aria-current="page"]{color:var(--navy);background:var(--bg-2)}
.nav a[aria-current="page"]{box-shadow:inset 0 -3px 0 var(--orange)}
.nav .btn{padding:.6rem 1.1rem;margin-left:.4rem}
.nav-toggle{display:none;background:none;border:2px solid var(--navy);border-radius:8px;width:44px;height:44px;cursor:pointer;padding:0}
.nav-toggle span{display:block;width:22px;height:3px;background:var(--navy);margin:4px auto;border-radius:2px;transition:.2s}
@media (max-width:960px){
  .nav-toggle{display:block}
  .nav{position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);display:none;padding:.6rem 1.25rem 1rem}
  .nav.is-open{display:block}
  .nav ul{flex-direction:column;align-items:stretch;gap:.1rem}
  .nav a{padding:.8rem .9rem;font-size:1.05rem}
  .nav .btn{margin:.6rem 0 0;justify-content:center}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}

/* --- hero --- */
.hero{position:relative;color:#fff;background:var(--navy);overflow:hidden;isolation:isolate}
.hero::before{content:"";position:absolute;inset:0;background:
  linear-gradient(100deg,rgba(0,0,0,.94) 0%,rgba(0,0,0,.78) 42%,rgba(0,0,0,.42) 100%),
  url("../img/hero-bg.jpg") center 60%/cover no-repeat;z-index:-1}
@media (max-width:860px){.hero::before{background:linear-gradient(180deg,rgba(0,0,0,.9) 0%,rgba(0,0,0,.72) 100%),url("../img/hero-bg-mobile.jpg") center/cover no-repeat}}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:10px;background:repeating-linear-gradient(-45deg,var(--orange) 0 18px,var(--navy) 18px 36px)}
.hero .container{display:grid;grid-template-columns:1.15fr .85fr;gap:3rem;align-items:center;padding:4.5rem 0 5rem}
.hero .kicker{display:inline-block;font-weight:700;letter-spacing:.16em;text-transform:uppercase;font-size:.8rem;color:var(--orange-2);margin-bottom:1rem}
.hero h1{color:#fff;margin-bottom:1rem}
.hero h1 em{font-style:normal;color:var(--orange-2)}
.hero .lead{font-size:1.2rem;color:#d9d9d9;max-width:38rem}
.hero .actions{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:1.6rem}
.hero-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);backdrop-filter:blur(6px);border-radius:var(--radius);padding:1.4rem}
.hero-card h3{color:#fff;font-size:1.1rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:.9rem}
.hero-card ul{list-style:none;margin:0;padding:0;display:grid;gap:.65rem}
.hero-card li{display:flex;gap:.6rem;align-items:flex-start;color:#ececec;font-size:.98rem}
.hero-card li svg{flex:none;width:20px;height:20px;margin-top:.15rem}
.hero.compact .container{grid-template-columns:1fr;padding:3.2rem 0 3.6rem}
.hero.compact .lead{max-width:46rem}
@media (max-width:860px){.hero .container{grid-template-columns:1fr;padding:3rem 0 3.5rem}}

/* --- bandeau confiance --- */
.trust{background:var(--bg-2);border-bottom:1px solid var(--line)}
.trust .container{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;padding:1.3rem 0}
.trust-item{display:flex;align-items:center;gap:.8rem;font-weight:600;color:var(--navy);font-size:.95rem}
.trust-item svg{width:34px;height:34px;flex:none;color:var(--orange)}
.trust-item small{display:block;font-weight:500;color:var(--muted);font-size:.8rem}
@media (max-width:860px){.trust .container{grid-template-columns:repeat(2,1fr)}}
@media (max-width:480px){.trust .container{grid-template-columns:1fr}}

/* --- sections --- */
.section{padding:4.5rem 0}
.section.alt{background:var(--bg-2)}
.section.dark{background:var(--navy);color:#e0e0e0}
.section.dark h2,.section.dark h3{color:#fff}
.section-head{max-width:46rem;margin-bottom:2.4rem}
.section-head .kicker,.kicker{display:block;font-weight:700;letter-spacing:.16em;text-transform:uppercase;font-size:.78rem;color:var(--orange);margin-bottom:.5rem}
.section-head p{color:var(--muted);font-size:1.08rem}
.section.dark .section-head p{color:#bdbdbd}
.center{text-align:center;margin-inline:auto}

.grid{display:grid;gap:1.5rem}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media (max-width:960px){.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

/* --- cartes --- */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.7rem;display:flex;flex-direction:column;gap:.6rem;transition:transform .15s,box-shadow .15s;position:relative}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.card .icon{width:52px;height:52px;border-radius:12px;background:var(--navy);color:var(--orange-2);display:grid;place-items:center;margin-bottom:.4rem}
.card .icon svg{width:28px;height:28px}
.card h3{margin:0}
.card p{color:var(--muted);margin:0}
.card .more{margin-top:auto;padding-top:.6rem;font-weight:700;text-decoration:none;color:var(--navy)}
.card .more::after{content:" →"}
.card.link{cursor:pointer}
.card.link > a.cover{position:absolute;inset:0;border-radius:var(--radius)}
.card ul{margin:.2rem 0 0;padding-left:1.1rem;color:var(--ink)}
.card li{margin:.2rem 0}
.section.dark .card{background:var(--navy-2);border-color:rgba(255,255,255,.12)}
.section.dark .card p,.section.dark .card li{color:#c8c8c8}
.section.dark .card .more{color:var(--orange-2)}

/* --- media split --- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
.split.reverse > :first-child{order:2}
.split figure{margin:0;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.split figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.split.form-layout{align-items:start;grid-template-columns:1.5fr 1fr}
@media (max-width:860px){.split,.split.form-layout{grid-template-columns:1fr}.split.reverse > :first-child{order:0}}

/* --- chiffres --- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;text-align:center}
.stat{padding:1.5rem 1rem;border-radius:var(--radius);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12)}
.stat strong{display:block;font-family:var(--font-head);font-size:3rem;line-height:1;color:var(--orange-2)}
.stat span{color:#c8c8c8;font-weight:600}
@media (max-width:860px){.stats{grid-template-columns:repeat(2,1fr)}}

/* --- checklist --- */
.checks{list-style:none;padding:0;margin:0;display:grid;gap:.7rem}
.checks li{display:flex;gap:.7rem;align-items:flex-start}
.checks li::before{content:"";flex:none;width:22px;height:22px;border-radius:50%;background:var(--ok) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><path d='M5 13l4 4L19 7'/></svg>") center/14px no-repeat;margin-top:.2rem}

/* --- tableau flotte --- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
table{width:100%;border-collapse:collapse;font-size:.98rem;min-width:640px}
th,td{padding:.9rem 1rem;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--navy);color:#fff;font-family:var(--font-head);font-size:1.05rem;letter-spacing:.04em;text-transform:uppercase}
tbody tr:nth-child(even){background:var(--bg-2)}
tbody tr:last-child td{border-bottom:0}
.tag{display:inline-block;font-size:.78rem;font-weight:700;padding:.15rem .55rem;border-radius:999px;background:#ffece3;color:#b33b00;border:1px solid #ffc4a6;margin:.1rem .2rem .1rem 0;white-space:nowrap}
.tag.blue{background:#eeeeee;color:#111;border-color:#d4d4d4}

/* --- fiches engins --- */
.machine{display:grid;grid-template-columns:1fr 1.4fr;gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.machine img{width:100%;height:100%;object-fit:cover;min-height:220px}
.machine .body{padding:1.5rem}
.machine h3{margin-bottom:.3rem}
.machine .specs{display:grid;grid-template-columns:1fr 1fr;gap:.35rem 1rem;margin:.8rem 0;padding:0;list-style:none;font-size:.95rem}
.machine .specs li{display:flex;flex-direction:column}
.machine .specs b{color:var(--muted);font-weight:600;font-size:.78rem;text-transform:uppercase;letter-spacing:.06em}
@media (max-width:700px){.machine{grid-template-columns:1fr}}

/* --- étapes --- */
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem}
.step{position:relative;padding:1.6rem 1.4rem 1.4rem;border-radius:var(--radius);background:#fff;border:1px solid var(--line)}
.step::before{counter-increment:step;content:counter(step,decimal-leading-zero);font-family:var(--font-head);font-size:2.6rem;font-weight:800;color:var(--orange);line-height:1;display:block;margin-bottom:.4rem}
.step h3{font-size:1.25rem}
.step p{color:var(--muted);margin:0}
@media (max-width:960px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.steps{grid-template-columns:1fr}}

/* --- références --- */
.logos{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.logo-tile{background:#fff;border:1px solid var(--line);border-radius:12px;min-height:96px;display:grid;place-items:center;padding:1rem;text-align:center;font-family:var(--font-head);font-weight:700;font-size:1.3rem;color:var(--navy);letter-spacing:.03em}
.logo-tile small{display:block;font-family:var(--font-body);font-weight:500;font-size:.78rem;color:var(--muted);letter-spacing:0}
@media (max-width:860px){.logos{grid-template-columns:repeat(2,1fr)}}
.quote{border-left:4px solid var(--orange);padding:.2rem 0 .2rem 1.2rem;margin:0;font-size:1.08rem;color:var(--ink)}
.quote footer{color:var(--muted);font-size:.92rem;margin-top:.6rem}

/* --- FAQ --- */
.faq details{border:1px solid var(--line);border-radius:12px;background:#fff;padding:0 1.2rem;margin-bottom:.7rem}
.faq summary{cursor:pointer;font-weight:700;padding:1rem 0;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:1rem;color:var(--navy)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.5rem;color:var(--orange);line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--muted);padding-bottom:1rem;margin:0}

/* --- CTA --- */
.cta{background:linear-gradient(120deg,var(--navy) 0%,var(--navy-3) 100%);color:#fff;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;right:-80px;top:-80px;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(255,85,0,.35),transparent 65%)}
.cta .container{display:flex;justify-content:space-between;align-items:center;gap:2rem;padding:3.5rem 0;flex-wrap:wrap;position:relative}
.cta h2{color:#fff;margin:0 0 .3rem}
.cta p{margin:0;color:#c8c8c8;font-size:1.1rem}
.cta .actions{display:flex;gap:.8rem;flex-wrap:wrap}

/* --- formulaire --- */
.form{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
.form .full{grid-column:1/-1}
.field label{display:block;font-weight:700;font-size:.92rem;margin-bottom:.35rem;color:var(--navy)}
.field label .req{color:#c62828}
.field input,.field select,.field textarea{width:100%;padding:.8rem .9rem;border:1.5px solid #cbd3de;border-radius:10px;font:inherit;font-size:1rem;background:#fff;color:var(--ink)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--navy);outline:3px solid rgba(255,85,0,.35);outline-offset:0}
.field textarea{min-height:140px;resize:vertical}
.field .hint{font-size:.85rem;color:var(--muted);margin:.3rem 0 0}
.check{display:flex;gap:.6rem;align-items:flex-start;font-size:.95rem}
.check input{width:auto;margin-top:.3rem}
.form-note{font-size:.88rem;color:var(--muted)}
.hp{position:absolute;left:-9999px}
@media (max-width:640px){.form{grid-template-columns:1fr}}
.aside{background:var(--navy);color:#e0e0e0;border-radius:var(--radius);padding:1.8rem}
.aside h3{color:#fff}
.aside a{color:#fff}
.aside .big{font-family:var(--font-head);font-size:2rem;font-weight:800;color:var(--orange-2);text-decoration:none;display:block;margin:.3rem 0 .8rem}
.aside ul{list-style:none;padding:0;margin:0;display:grid;gap:.6rem}
.aside li{display:flex;gap:.6rem;align-items:flex-start}
.aside li svg{width:20px;height:20px;flex:none;color:var(--orange-2);margin-top:.15rem}

/* --- prose (pages légales) --- */
.prose{max-width:52rem}
.prose h2{font-size:1.6rem;margin-top:2.2rem;text-transform:none}
.prose h3{font-size:1.2rem;margin-top:1.4rem}
.prose p,.prose li{color:#2b2b2b}
.prose .info{background:var(--bg-2);border:1px solid var(--line);border-radius:12px;padding:1.2rem 1.4rem}
.prose .info p:last-child{margin:0}

/* --- fil d'Ariane --- */
.crumbs{font-size:.88rem;color:#bdbdbd;margin-bottom:1rem}
.crumbs a{color:#fff;text-decoration:none}
.crumbs a:hover{text-decoration:underline}
.crumbs span{margin:0 .4rem}

/* --- footer --- */
.footer{background:#000000;color:#bdbdbd;padding:3.5rem 0 1.5rem;font-size:.95rem}
.footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:2.5rem}
.footer h4{color:#fff;font-size:1.1rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:.9rem}
.footer ul{list-style:none;padding:0;margin:0;display:grid;gap:.45rem}
.footer a{color:#e0e0e0;text-decoration:none}
.footer a:hover{color:var(--orange-2)}
.footer .brand{color:#fff;margin-bottom:.8rem}
.footer .brand-name small{color:var(--orange-2)}
.footer .bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:2.5rem;padding-top:1.2rem;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.85rem;color:#9a9a9a}
.footer .bottom a{color:#bdbdbd}
.partner{display:block;line-height:1.4;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);padding:.5rem .8rem;border-radius:10px;margin-top:.6rem}
@media (max-width:960px){.footer .cols{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.footer .cols{grid-template-columns:1fr}}

/* --- utilitaires --- */
.mt-1{margin-top:1rem}.mt-2{margin-top:2rem}.mt-3{margin-top:3rem}
.mb-0{margin-bottom:0}
.text-muted{color:var(--muted)}
.price{font-family:var(--font-head);font-size:2.2rem;font-weight:800;color:var(--navy);line-height:1}
.price small{font-family:var(--font-body);font-size:.9rem;font-weight:500;color:var(--muted)}
.notice{background:#fff3ec;border:1px solid #ffc4a6;border-radius:12px;padding:1rem 1.2rem;font-size:.95rem}
.sticky-call{display:none}
@media (max-width:640px){
  .sticky-call{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:60;background:var(--orange);color:#111;justify-content:center;gap:.5rem;padding:.9rem;font-weight:800;text-decoration:none;box-shadow:0 -4px 20px rgba(0,0,0,.2)}
  body{padding-bottom:58px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}html{scroll-behavior:auto}}

/* --- groupe --- */
.group-strip{background:#0a0a0a;border-top:1px solid rgba(255,255,255,.1)}
.group-strip .container{display:flex;align-items:center;justify-content:center;gap:1.2rem;padding:1.2rem 0;flex-wrap:wrap;color:#cccccc;font-size:.92rem;letter-spacing:.06em;text-transform:uppercase}
.group-strip img{height:110px;width:220px;flex:none}

/* --- références chantiers --- */
.ref-card{padding:0;overflow:hidden}
.ref-card img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block}
.ref-card .ref-body{padding:1.3rem 1.5rem 1.5rem;display:flex;flex-direction:column;gap:.45rem}
.ref-client{display:block;margin-bottom:.35rem;font-size:.78rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--orange)}
.ref-meta{font-size:.9rem;color:var(--muted)}