/* ===========================================================
   SUD PRÉCISION — feuille de style
   Palette : graphite industriel × papier calque clair × orange chalumeau
   =========================================================== */

:root{
  --graphite:      #14181B;
  --graphite-soft: #1D2428;
  --graphite-line: #2B3439;
  --steel:         #6B7981;
  --steel-dim:     #93A0A6;
  --paper:         #F1F2EE;
  --paper-raised:  #FFFFFF;
  --paper-line:    #DBDCD5;
  --ink:           #14181B;
  --ink-soft:      #4B555B;
  --accent:        #FF5A29;
  --accent-dim:    #C9421A;
  --accent-soft:   rgba(255,90,41,.12);

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --container: 1180px;
  --radius: 2px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--font-body);
  background:var(--paper);
  color:var(--ink);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:600;
  line-height:1.1;
  margin:0 0 .5em;
  letter-spacing:-.01em;
}
p{ margin:0 0 1em; }
:focus-visible{ outline:2px solid var(--accent); outline-offset:3px; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; scroll-behavior:auto !important; }
}

.wrap{ max-width:var(--container); margin:0 auto; padding:0 28px; }

/* ---------- eyebrow / mono labels (motif "cotation") ---------- */
.eyebrow{
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--accent);
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:16px; height:1px;
  background:var(--accent);
  display:inline-block;
}
.section--dark .eyebrow{ color:var(--accent); }

.dim{ font-family:var(--font-mono); }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:13.5px;
  letter-spacing:.03em;
  text-transform:uppercase;
  padding:13px 22px;
  border:1px solid var(--graphite);
  border-radius:var(--radius);
  color:var(--ink);
  transition:background .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
  white-space:nowrap;
}
.btn:hover{ transform:translateY(-1px); }
.btn-primary{ background:var(--graphite); color:var(--paper); }
.btn-primary:hover{ background:var(--graphite-soft); }
.btn-accent{ background:var(--accent); border-color:var(--accent); color:#fff; }
.btn-accent:hover{ background:var(--accent-dim); border-color:var(--accent-dim); }
.btn-ghost-dark{ border-color:rgba(255,255,255,.3); color:var(--paper); }
.btn-ghost-dark:hover{ border-color:#fff; background:rgba(255,255,255,.06); }
.btn-arrow::after{ content:"→"; transition:transform .18s ease; }
.btn-arrow:hover::after{ transform:translateX(3px); }

/* ---------- header ---------- */
.topbar{
  background:var(--graphite);
  color:var(--steel-dim);
  font-family:var(--font-mono);
  font-size:12.5px;
}
.topbar .wrap{ display:flex; justify-content:space-between; align-items:center; padding:8px 28px; flex-wrap:wrap; gap:6px; }
.topbar a{ color:var(--paper); }
.topbar a:hover{ color:var(--accent); }

.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(20,24,27,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--graphite-line);
}
.nav{ display:flex; align-items:center; justify-content:space-between; padding:14px 28px; max-width:var(--container); margin:0 auto; gap:20px; }
.brand{ display:flex; align-items:center; }
.brand-logo{ height:34px; width:auto; filter:brightness(0) invert(1); }
.nav-links{ display:flex; align-items:center; gap:28px; }
.nav-links a{
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.03em;
  text-transform:uppercase;
  color:var(--steel-dim);
  padding:6px 2px;
  border-bottom:1px solid transparent;
  transition:color .15s ease, border-color .15s ease;
}
.nav-links a:hover, .nav-links a.active{ color:#fff; border-color:var(--accent); }
.nav-right{ display:flex; align-items:center; gap:16px; }
.nav-toggle{
  display:none;
  background:none; border:1px solid var(--graphite-line); border-radius:var(--radius);
  width:40px; height:36px; cursor:pointer; position:relative;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:""; position:absolute; left:9px; width:22px; height:1.5px; background:#fff;
}
.nav-toggle span{ top:17px; }
.nav-toggle span::before{ top:-6px; }
.nav-toggle span::after{ top:6px; }

@media (max-width:900px){
  .nav-toggle{ display:block; }
  .nav-links{
    position:absolute; top:100%; left:0; right:0;
    flex-direction:column; align-items:flex-start; gap:0;
    background:var(--graphite); border-bottom:1px solid var(--graphite-line);
    max-height:0; overflow:hidden; transition:max-height .25s ease;
  }
  .nav-links.open{ max-height:420px; }
  .nav-links li{ width:100%; }
  .nav-links a{ display:block; padding:16px 28px; border-bottom:1px solid var(--graphite-line); }
  .nav-right .btn-accent{ padding:11px 16px; }
}

/* ---------- sections ---------- */
.section{ padding:96px 0; }
.section--tight{ padding:64px 0; }
.section--dark{ background:var(--graphite); color:var(--paper); }
.section--dark h2, .section--dark h3{ color:#fff; }
.section--dark p{ color:var(--steel-dim); }
.section--graphite-soft{ background:var(--graphite-soft); color:var(--paper); }
.section--light{ background:var(--paper); }
.section--raised{ background:var(--paper-raised); }
.blueprint-bg{
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size:40px 40px;
}
.blueprint-bg-light{
  background-image:
    linear-gradient(rgba(20,24,27,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20,24,27,.05) 1px, transparent 1px);
  background-size:40px 40px;
}

.section-head{ max-width:640px; margin-bottom:56px; }
.section-head h2{ font-size:clamp(28px,3.4vw,42px); }
.section-head p{ font-size:17px; }

/* ---------- hero ---------- */
.hero{
  position:relative;
  background:var(--graphite);
  color:#fff;
  overflow:hidden;
  padding:64px 0 0;
}
.hero .wrap{ display:grid; grid-template-columns:1.1fr .9fr; gap:40px; align-items:center; padding-bottom:60px; }
.hero-eyebrow{ color:var(--accent); }
.hero h1{
  font-size:clamp(34px,5vw,58px);
  color:#fff;
  margin-bottom:22px;
}
.hero h1 em{ color:var(--accent); font-style:normal; }
.hero p.lead{ font-size:18px; color:var(--steel-dim); max-width:46ch; margin-bottom:34px; }
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; }
.hero-art{ position:relative; }
.hero-art svg{ width:100%; height:auto; }
.hero-strip{
  border-top:1px solid var(--graphite-line);
  background:var(--graphite-soft);
}
.hero-strip .wrap{ display:flex; flex-wrap:wrap; gap:0; padding:0; }
.hero-stat{
  flex:1 1 160px;
  padding:22px 28px;
  border-right:1px solid var(--graphite-line);
}
.hero-stat:last-child{ border-right:none; }
.hero-stat .num{ font-family:var(--font-mono); font-size:26px; color:#fff; }
.hero-stat .num span{ color:var(--accent); }
.hero-stat .label{ font-size:12.5px; color:var(--steel-dim); margin-top:4px; }

@media (max-width:860px){
  .hero .wrap{ grid-template-columns:1fr; }
  .hero-art{ order:-1; max-width:340px; margin:0 auto; }
}

/* ---------- page header (pages internes) ---------- */
.page-hero{
  background:var(--graphite);
  color:#fff;
  padding:70px 0 54px;
  position:relative;
}
.page-hero h1{ color:#fff; font-size:clamp(30px,4vw,46px); }
.page-hero p{ color:var(--steel-dim); max-width:60ch; font-size:17px; }
.breadcrumb{ font-family:var(--font-mono); font-size:12px; color:var(--steel); margin-bottom:18px; letter-spacing:.04em; }
.breadcrumb a:hover{ color:var(--accent); }

/* ---------- cards ---------- */
.grid{ display:grid; gap:28px; }
.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:900px){ .grid-2,.grid-3,.grid-4{ grid-template-columns:1fr 1fr; } }
@media (max-width:600px){ .grid-2,.grid-3,.grid-4{ grid-template-columns:1fr; } }

.card{
  background:var(--paper-raised);
  border:1px solid var(--paper-line);
  border-radius:var(--radius);
  padding:32px 28px;
  position:relative;
  transition:border-color .18s ease, transform .18s ease;
}
.card:hover{ border-color:var(--accent); transform:translateY(-2px); }
.card .num-tag{
  font-family:var(--font-mono); font-size:12px; color:var(--accent);
  margin-bottom:14px; display:block;
}
.card h3{ font-size:19px; margin-bottom:10px; }
.card p{ color:var(--ink-soft); font-size:15px; margin-bottom:0; }
.card-icon{ width:40px; height:40px; margin-bottom:18px; color:var(--accent); }

.card--dark{ background:var(--graphite-soft); border-color:var(--graphite-line); }
.card--dark h3{ color:#fff; }
.card--dark p{ color:var(--steel-dim); }

/* process / prestations list with tolerance-style numbering */
.proc-list{ display:flex; flex-direction:column; }
.proc-item{
  display:grid; grid-template-columns:110px 1fr; gap:28px;
  padding:34px 0; border-top:1px solid var(--paper-line);
}
.proc-item:last-child{ border-bottom:1px solid var(--paper-line); }
.proc-item .tag{ font-family:var(--font-mono); color:var(--accent); font-size:13px; }
.proc-item h3{ font-size:22px; margin-bottom:10px; }
.proc-item p{ color:var(--ink-soft); max-width:64ch; }
.section--dark .proc-item{ border-color:var(--graphite-line); }
.section--dark .proc-item h3{ color:#fff; }
.section--dark .proc-item p{ color:var(--steel-dim); }

/* stat band */
.stat-band{ border-top:1px solid var(--paper-line); border-bottom:1px solid var(--paper-line); }
.stat-band .wrap{ display:grid; grid-template-columns:repeat(4,1fr); }
.stat{ padding:36px 26px; border-right:1px solid var(--paper-line); }
.stat:last-child{ border-right:none; }
.stat .num{ font-family:var(--font-mono); font-size:34px; color:var(--ink); }
.stat .num .unit{ font-size:18px; color:var(--accent); }
.stat .label{ font-size:13.5px; color:var(--ink-soft); margin-top:6px; }
@media (max-width:760px){ .stat-band .wrap{ grid-template-columns:repeat(2,1fr); } .stat:nth-child(2){ border-right:none; } }

/* certifications strip */
.certs{ display:flex; flex-wrap:wrap; gap:14px; margin-top:24px; }
.cert-pill{
  font-family:var(--font-mono); font-size:12.5px; letter-spacing:.03em;
  border:1px solid var(--paper-line); border-radius:20px; padding:8px 16px;
  display:flex; align-items:center; gap:8px;
}
.section--dark .cert-pill{ border-color:var(--graphite-line); color:var(--paper); }
.cert-pill .dot{ width:6px; height:6px; border-radius:50%; background:var(--accent); }

/* quote / news */
.quote-block{
  border-left:2px solid var(--accent);
  padding-left:26px;
  margin:0;
  font-family:var(--font-display);
  font-size:22px;
  font-weight:500;
  color:var(--ink);
}
.news-card{ display:grid; grid-template-columns:120px 1fr; gap:22px; padding:26px 0; border-top:1px solid var(--paper-line); }
.news-date{ font-family:var(--font-mono); font-size:13px; color:var(--accent); }

/* clients / logos */
.clients-band{ text-align:center; }
.clients-band img{ margin:0 auto; }

/* footer */
.site-footer{ background:var(--graphite); color:var(--steel-dim); padding:70px 0 0; }
.footer-top{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px; padding-bottom:50px; border-bottom:1px solid var(--graphite-line); }
.footer-top h4{ color:#fff; font-family:var(--font-mono); font-size:12.5px; letter-spacing:.1em; text-transform:uppercase; margin-bottom:18px; }
.footer-top ul li{ margin-bottom:10px; }
.footer-top a:hover{ color:var(--accent); }
.footer-logo{ height:30px; filter:brightness(0) invert(1); margin-bottom:18px; }
.footer-address{ font-size:14.5px; line-height:1.7; }
.footer-address a{ color:var(--paper); }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; padding:22px 0; flex-wrap:wrap; gap:10px; font-size:12.5px; font-family:var(--font-mono); }
@media (max-width:860px){ .footer-top{ grid-template-columns:1fr 1fr; } }
@media (max-width:560px){ .footer-top{ grid-template-columns:1fr; } }

/* forms */
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.form-grid .full{ grid-column:1 / -1; }
label{ font-family:var(--font-mono); font-size:12px; letter-spacing:.05em; text-transform:uppercase; color:var(--ink-soft); display:block; margin-bottom:8px; }
input, select, textarea{
  width:100%; font-family:var(--font-body); font-size:15px;
  padding:13px 14px; border:1px solid var(--paper-line); border-radius:var(--radius);
  background:var(--paper-raised); color:var(--ink);
}
input:focus, select:focus, textarea:focus{ border-color:var(--accent); outline:none; }
@media (max-width:640px){ .form-grid{ grid-template-columns:1fr; } }

.contact-info-card{ background:var(--graphite); color:#fff; padding:40px; border-radius:var(--radius); }
.contact-info-card h3{ color:#fff; }
.contact-info-card .row{ display:flex; gap:14px; padding:16px 0; border-top:1px solid var(--graphite-line); }
.contact-info-card .row:first-of-type{ border-top:none; }
.contact-info-card a{ color:var(--paper); }
.contact-info-card a:hover{ color:var(--accent); }

.form-success{
  display:none; background:var(--accent-soft); border:1px solid var(--accent);
  color:var(--accent-dim); padding:16px 18px; border-radius:var(--radius); font-size:14.5px; margin-bottom:20px;
}
.form-success.show{ display:block; }

/* reveal on scroll */
.reveal{ opacity:0; transform:translateY(16px); transition:opacity .5s ease, transform .5s ease; }
.reveal.in{ opacity:1; transform:none; }

/* photo frames (machines / atelier) */
.photo-frame{
  position:relative; overflow:hidden;
  border-radius:var(--radius); border:1px solid var(--paper-line);
  background:var(--graphite-soft);
}
.photo-frame img{ width:100%; height:100%; object-fit:cover; display:block; }
.photo-frame.ratio-16-9{ aspect-ratio:16/9; }
.photo-frame.ratio-4-3{ aspect-ratio:4/3; }
.photo-frame.ratio-1-1{ aspect-ratio:1/1; }
.section--dark .photo-frame{ border-color:var(--graphite-line); }
.photo-caption{
  font-family:var(--font-mono); font-size:12px; letter-spacing:.02em;
  color:var(--ink-soft); margin-top:10px; display:flex; align-items:center; gap:8px;
}
.photo-caption::before{ content:""; width:5px; height:5px; background:var(--accent); flex:none; }
.section--dark .photo-caption{ color:var(--steel-dim); }
.photo-grid{ display:grid; gap:22px; }
.photo-grid-2{ grid-template-columns:1fr 1fr; }
.photo-grid-3{ grid-template-columns:repeat(3,1fr); }
@media (max-width:760px){ .photo-grid-2, .photo-grid-3{ grid-template-columns:1fr; } }

/* misc */
.mt-lg{ margin-top:64px; }
.center{ text-align:center; }
.map-frame{ border:1px solid var(--paper-line); border-radius:var(--radius); overflow:hidden; }
.map-frame iframe{ width:100%; height:360px; border:0; display:block; }