/* ==========================================================================
   MECA-MAINTENANCE — vitrine sombre cinématique
   Palette dérivée des photos réelles de l'atelier (écran HAAS = ambre).
   ========================================================================== */

:root{
  --coal:#111418;
  --coal-2:#171B20;
  --coal-3:#1D2228;
  --line:#262C33;
  --steel:#8A97A3;
  --paper:#EDF0F2;
  --amber:#E8930C;
  --amber-soft:rgba(232,147,12,.14);
  --font-display:'Barlow Condensed',sans-serif;
  --font-mono:'IBM Plex Mono',monospace;
  --font-body:'Public Sans',sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{
  font-family:var(--font-body);
  background:var(--coal);
  color:var(--paper);
  line-height:1.6;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--paper);text-decoration:none}
a:focus-visible,button:focus-visible{outline:3px solid var(--amber);outline-offset:3px}
::selection{background:var(--amber);color:var(--coal)}

.wrap{max-width:1180px;margin:0 auto;padding:0 24px}

/* ---------- reveals ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .65s ease,transform .65s ease}
.reveal.on{opacity:1;transform:none}
.reveal-d1{transition-delay:.08s}
.reveal-d2{transition-delay:.16s}
.reveal-d3{transition-delay:.24s}

/* ---------- header ---------- */
header.top{
  position:fixed;inset:0 0 auto 0;z-index:50;
  background:rgba(17,20,24,.96);
  border-bottom:1px solid var(--line);
}
.top .wrap{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;height:64px;
}
.logo{
  font-family:var(--font-display);font-weight:700;
  font-size:1.35rem;letter-spacing:.06em;text-transform:uppercase;
  white-space:nowrap;
}
.logo b{color:var(--amber);font-weight:700}
.top-right{display:flex;align-items:center;gap:18px}
.nav{display:flex;gap:20px}
.nav a{
  font-family:var(--font-mono);font-size:.78rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--steel);transition:color .15s;
}
.nav a:hover{color:var(--amber)}
@media(max-width:820px){.nav{display:none}}
.top-tel{
  font-family:var(--font-mono);font-size:.85rem;letter-spacing:.02em;
  white-space:nowrap;
  color:var(--steel);
  border:1px solid var(--line);padding:8px 14px;
  transition:color .15s,border-color .15s;
}
.top-tel:hover{color:var(--paper);border-color:var(--steel)}
.btn-wa-mini{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-display);font-weight:600;font-size:.95rem;
  letter-spacing:.06em;text-transform:uppercase;
  background:var(--amber);color:#0C0F12;padding:9px 16px;
  transition:background .15s;
}
.btn-wa-mini:hover{background:#F5A21F}
.btn-wa-mini svg{width:16px;height:16px;fill:currentColor}
@media(max-width:820px){.btn-wa-mini{display:none}}
.lang{
  font-family:var(--font-mono);font-size:.8rem;display:flex;gap:8px;
}
.lang a{color:var(--steel)}
.lang a[aria-current="true"]{color:var(--amber);border-bottom:1px solid var(--amber)}
.lang a:hover{color:var(--paper)}
@media(max-width:560px){
  .top-tel{display:none}
  .hero-eyebrow{font-size:.7rem;letter-spacing:.1em}
}

/* ---------- héros ---------- */
.hero{
  position:relative;min-height:100svh;
  display:flex;align-items:flex-end;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media img{
  width:100%;height:112%;object-fit:cover;object-position:68% 42%;
  filter:brightness(.8) contrast(1.07) saturate(.8);
  will-change:transform;
}
.hero-shade{
  position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(180deg,rgba(17,20,24,.62) 0%,rgba(17,20,24,.28) 38%,rgba(17,20,24,.86) 88%,var(--coal) 100%),
    linear-gradient(76deg,rgba(17,20,24,.88) 0%,rgba(17,20,24,.42) 55%,rgba(17,20,24,.15) 100%);
}
.hero .wrap{position:relative;z-index:2;width:100%;padding-top:104px;padding-bottom:96px}
.hero-eyebrow{
  font-family:var(--font-mono);font-size:.78rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--amber);margin-bottom:22px;
  display:flex;align-items:flex-start;gap:14px;
}
.hero-eyebrow::before{content:"";flex:none;width:34px;height:1px;background:var(--amber);margin-top:.62em}
h1{
  font-family:var(--font-display);font-weight:700;
  font-size:clamp(2.7rem,7.4vw,5.4rem);
  line-height:.96;text-transform:uppercase;letter-spacing:.005em;
  max-width:14ch;
}
h1 em{font-style:normal;color:var(--amber)}
h1:lang(fr){max-width:13ch}
.hero-sub{
  margin-top:26px;max-width:56ch;font-size:1.08rem;color:#C7CFD6;
}
.hero-sub strong{color:var(--paper);font-weight:600}
.hero-cta{margin-top:38px;display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-display);font-weight:600;
  font-size:1.06rem;letter-spacing:.06em;text-transform:uppercase;
  padding:15px 28px;border:1px solid transparent;
  transition:background .15s,color .15s,border-color .15s,transform .12s;
}
.btn:active{transform:translateY(1px)}
.btn-wa{background:var(--amber);color:#0C0F12;border-color:var(--amber)}
.btn-wa:hover{background:#F5A21F;border-color:#F5A21F}
.btn-wa svg{width:20px;height:20px;flex:none}
.btn-ghost{color:var(--paper);border-color:var(--steel)}
.btn-ghost:hover{border-color:var(--amber);color:var(--amber)}
.hero-meta{
  margin-top:32px;
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.12em;
  color:var(--steel);text-transform:uppercase;
  display:flex;gap:26px;flex-wrap:wrap;
}
.hero-meta span::before{content:"— ";color:var(--amber)}

/* ---------- bande de confiance ---------- */
.trust{border-bottom:1px solid var(--line);background:var(--coal-2)}
.trust .wrap{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
}
.trust-item{
  font-family:var(--font-mono);font-size:.78rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--steel);
  padding:20px 18px;text-align:center;
  border-left:1px solid var(--line);
}
.trust-item:first-child{border-left:none}
.trust-item b{color:var(--paper);font-weight:500}
@media(max-width:900px){
  .trust .wrap{grid-template-columns:1fr 1fr}
  .trust-item:nth-child(3){border-left:none}
  .trust-item:nth-child(n+3){border-top:1px solid var(--line)}
}

/* ---------- sections ---------- */
section{border-bottom:1px solid var(--line)}
section .wrap{padding-top:88px;padding-bottom:88px}
.sec-head{
  display:flex;align-items:baseline;gap:20px;margin-bottom:52px;
  border-bottom:1px solid var(--line);padding-bottom:16px;
}
h2{
  font-family:var(--font-display);font-weight:700;
  font-size:clamp(1.9rem,4.6vw,3rem);text-transform:uppercase;letter-spacing:.01em;
  line-height:1.02;
}
.svc h3,.step h3,.why-item h3{line-height:1.08}
@media(max-width:600px){
  .sec-head{flex-direction:column;align-items:flex-start;gap:8px}
  .sec-head .sec-note{display:none}
}
.sec-note{
  margin-left:auto;font-family:var(--font-mono);font-size:.72rem;
  color:var(--steel);letter-spacing:.1em;text-transform:uppercase;
  display:none;
}
@media(min-width:820px){.sec-note{display:block}}

/* ---------- services ---------- */
.services{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(255px,1fr));
  gap:1px;background:var(--line);border:1px solid var(--line);
}
.svc{
  background:var(--coal);padding:30px 26px 34px;
  display:flex;flex-direction:column;gap:14px;
  transition:background .2s;
}
.svc:hover{background:var(--coal-3)}
.svc-ref{
  font-family:var(--font-mono);font-size:.7rem;color:var(--steel);letter-spacing:.14em;
}
.svc-icon{width:48px;height:48px;color:var(--steel);transition:color .2s}
.svc:hover .svc-icon{color:var(--amber)}
.svc h3{
  font-family:var(--font-display);font-weight:600;
  font-size:1.45rem;text-transform:uppercase;letter-spacing:.02em;
}
.svc ul{list-style:none}
.svc li{
  padding-left:20px;position:relative;font-size:.94rem;color:#B9C2CA;
  margin-bottom:7px;
}
.svc li::before{
  content:"";position:absolute;left:0;top:.66em;width:10px;height:1.5px;
  background:var(--amber);
}

/* ---------- matériaux (marquee) ---------- */
.materials{overflow:hidden;background:var(--coal-2)}
.materials .wrap{padding-top:64px;padding-bottom:8px}
.materials .sec-head{margin-bottom:10px}
.mat-label{
  font-family:var(--font-mono);font-size:.75rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--amber);
  max-width:1180px;margin:26px auto 10px;padding:0 24px;
}
.marquee{
  display:flex;overflow:hidden;user-select:none;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
  margin-bottom:26px;
}
.marquee-track{
  display:flex;flex:none;align-items:center;gap:0;
  animation:scroll 36s linear infinite;
}
.marquee[data-dir="r"] .marquee-track{animation-direction:reverse}
.marquee-track span{
  font-family:var(--font-display);font-weight:700;text-transform:uppercase;
  font-size:clamp(2.2rem,5.4vw,3.6rem);letter-spacing:.03em;
  color:transparent;-webkit-text-stroke:1.5px #6E7C89;
  padding:0 .55em;white-space:nowrap;
}
.marquee-track span:nth-of-type(even){color:var(--paper);-webkit-text-stroke:0}
.marquee-track i{font-style:normal;color:var(--amber);font-size:1.6rem;flex:none}
@keyframes scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.marquee:hover .marquee-track{animation-play-state:paused}

/* ---------- processus ---------- */
.process{position:relative}
.steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:26px;position:relative;
}
.steps::before{
  content:"";position:absolute;top:23px;left:0;right:0;height:1px;background:var(--line);
}
.step{position:relative;padding-top:64px}
.step-no{
  position:absolute;top:0;left:0;
  width:46px;height:46px;border:1px solid var(--line);border-radius:50%;
  background:var(--coal);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-mono);font-size:.8rem;color:var(--steel);
  transition:border-color .3s,color .3s;
}
.step.on .step-no{border-color:var(--amber);color:var(--amber)}
.step h3{
  font-family:var(--font-display);font-weight:600;font-size:1.35rem;
  text-transform:uppercase;margin-bottom:8px;
}
.step p{font-size:.93rem;color:var(--steel)}
@media(max-width:860px){
  .steps{grid-template-columns:1fr;gap:34px}
  .steps::before{top:0;bottom:0;left:23px;right:auto;width:1px;height:auto}
  .step{padding-top:0;padding-left:70px}
}

/* ---------- réalisations ---------- */
.gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px}
@media(min-width:960px){
  .gallery{
    grid-template-columns:minmax(0,2fr) minmax(0,2fr) minmax(0,2fr) minmax(0,1.6fr);
    align-items:start;
  }
  .gallery .shot img{height:auto;aspect-ratio:3/2}
  .shot-spec{align-self:stretch}
}
.gallery .shot:first-child img{object-position:88% 50%}
.shot{
  position:relative;border:1px solid var(--line);overflow:hidden;background:var(--coal-3);
}
.shot::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(45deg,transparent 0 11px,rgba(138,151,163,.05) 11px 12px);
}
.shot img{
  position:relative;
  width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;
  filter:brightness(.88) contrast(1.06) saturate(.78);
  transition:transform .5s ease,filter .3s;
}
@media(max-width:660px){.shot img{aspect-ratio:16/10}}
.shot:hover img{transform:scale(1.045);filter:brightness(.95) contrast(1.06) saturate(.88)}
.shot figcaption{
  position:absolute;left:0;bottom:0;right:0;
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.1em;
  color:var(--paper);text-transform:uppercase;
  background:linear-gradient(0deg,rgba(17,20,24,.92),rgba(17,20,24,0));
  padding:26px 14px 10px;
}
.shot figcaption b{color:var(--amber);font-weight:500}
.shot-spec{
  border:1px solid var(--line);background:var(--coal);
  padding:22px 20px;display:flex;flex-direction:column;justify-content:center;gap:12px;
}
.shot-spec-title{
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.14em;
  color:var(--amber);text-transform:uppercase;
}
.shot-spec ul{list-style:none}
.shot-spec li{
  font-family:var(--font-mono);font-size:.78rem;color:#B9C2CA;
  padding:7px 0;border-bottom:1px solid var(--line);
}
.shot-spec li:last-child{border-bottom:none}
.shot-spec li b{color:var(--paper);font-weight:500}

/* ---------- pourquoi ---------- */
.why{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:40px}
.why-item h3{
  font-family:var(--font-display);font-weight:600;font-size:1.35rem;
  text-transform:uppercase;margin-bottom:10px;
  border-left:3px solid var(--amber);padding-left:14px;
}
.why-item p{color:var(--steel);font-size:.96rem;padding-left:17px}

/* ---------- contact ---------- */
.contact{background:var(--coal-2)}
.contact-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:56px}
@media(max-width:820px){.contact-grid{grid-template-columns:1fr}}
.contact-lead{font-size:1.05rem;color:#C7CFD6;max-width:46ch;margin-bottom:34px}
.contact-list{list-style:none;display:flex;flex-direction:column;gap:0}
.contact-list li{
  border-top:1px solid var(--line);padding:18px 0;
  display:grid;grid-template-columns:120px minmax(0,1fr);gap:18px;align-items:baseline;
}
.contact-list li:last-child{border-bottom:1px solid var(--line)}
.contact-k{
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--steel);width:120px;flex:none;
}
.contact-v{font-size:1rem}
.contact-v a{border-bottom:1px solid var(--line);transition:border-color .15s,color .15s}
.contact-v a:hover{color:var(--amber);border-color:var(--amber)}
.contact-v.mono{font-family:var(--font-mono);font-size:.95rem}
@media(max-width:600px){
  .contact-list li{grid-template-columns:1fr;gap:6px}
  .contact-k{width:auto}
}

/* ---------- footer ---------- */
footer{padding:30px 0;background:#0C0F12}
footer .wrap{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.08em;
  color:var(--steel);text-transform:uppercase;
}

/* ---------- barre d'action mobile ---------- */
.action-bar{display:none}
@media(max-width:820px){
  body{padding-bottom:56px}
  .action-bar{
    position:fixed;left:0;right:0;bottom:0;z-index:60;
    display:grid;grid-template-columns:1fr 1fr;height:56px;
    background:rgba(17,20,24,.97);border-top:1px solid var(--line);
  }
  .action-bar a{
    display:flex;align-items:center;justify-content:center;gap:10px;
    font-family:var(--font-display);font-weight:600;font-size:1rem;
    letter-spacing:.06em;text-transform:uppercase;
  }
  .action-bar a svg{width:18px;height:18px;fill:currentColor}
  .action-bar a:first-child{border-right:1px solid var(--line);color:var(--paper)}
  .action-bar a:last-child{color:var(--amber)}
}

/* ---------- compaction mobile ---------- */
@media(max-width:820px){
  section .wrap{padding-top:56px;padding-bottom:56px}
  .sec-head{margin-bottom:34px}
  .svc{padding:24px 20px 26px}
  .hero{min-height:calc(100svh - 56px)}
  /* Espacements resserrés pour que le bandeau slogan tienne au-dessus de la barre d'action. */
  .hero .wrap{padding-top:70px;padding-bottom:72px}
  .hero-sub{margin-top:16px}
  .hero-cta{margin-top:24px}
  .hero-meta{margin-top:16px;gap:6px 20px;font-size:.68rem}
  .hero-media img{filter:brightness(.62) contrast(1.07) saturate(.8)}
}
@media(max-width:820px) and (max-height:700px){
  .hero .wrap{padding-top:72px;padding-bottom:48px}
  .hero-eyebrow{margin-bottom:10px;font-size:.62rem}
  h1{font-size:2.1rem}
  .hero-sub{font-size:.88rem;margin-top:12px;max-width:44ch}
  .hero-cta{margin-top:18px}
  .hero-cta .btn{padding:12px 20px;font-size:.95rem}
  .hero-meta{display:none}
}
@media(min-width:480px) and (max-width:819px){
  .services{grid-template-columns:1fr 1fr}
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .marquee-track{animation:none}
  .hero-media img{will-change:auto}
  .shot img,.shot:hover img{transition:none;transform:none}
}