/* ============ MDB Charpente — charte issue du logo ============ */
:root{
  --paper:#f7f4ee;
  --surface:#fffdf9;
  --ink:#17140f;
  --muted:#5d564c;
  --green:#2a872c;
  --green-deep:#196325;
  --green-pale:#e9f1e6;
  --line:#e6e0d5;
  --grain:#cfc9be;
  --radius:14px;
  --display:"Bricolage Grotesque",system-ui,sans-serif;
  --body:"Inter",system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  font-family:var(--body);color:var(--ink);background:var(--paper);
  line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--green-deep)}
::selection{background:var(--green-pale)}

h1,h2,h3{font-family:var(--display);line-height:1.08;letter-spacing:.005em}
h1{font-size:clamp(2.1rem,5.4vw,3.9rem);font-weight:800}
h1 em{font-style:normal;color:#bfe3b4}
h2{font-size:clamp(1.6rem,3.6vw,2.5rem);font-weight:700}
h3{font-size:1.12rem;font-weight:700}

.eyebrow{
  font-size:.78rem;font-weight:600;letter-spacing:.17em;text-transform:uppercase;
  color:var(--green-deep);margin-bottom:.9rem;
}
.eyebrow.light{color:#cfe8c6}

/* focus + press (a11y) */
:focus-visible{outline:2px solid var(--green);outline-offset:3px;border-radius:6px}
.btn:active,.mb-btn:active{transform:scale(.97)}

/* ============ boutons ============ */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;
  font-family:var(--display);font-weight:600;font-size:.95rem;
  padding:.72rem 1.25rem;border-radius:10px;text-decoration:none;
  border:1px solid transparent;cursor:pointer;transition:background .18s,border-color .18s,color .18s;
}
.btn.lg{padding:.9rem 1.6rem;font-size:1.02rem}
.btn.solid{background:var(--green);color:#fff}
.btn.solid:hover{background:var(--green-deep)}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn.ghost:hover{border-color:var(--ink)}
.btn.glass{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.42);backdrop-filter:blur(6px)}
.btn.glass:hover{background:rgba(255,255,255,.26)}
.btn svg{width:18px;height:18px}

/* ============ nav ============ */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:50;
  display:flex;align-items:center;gap:1.4rem;
  padding:.6rem clamp(1rem,4vw,2.4rem);
  transition:background .25s,box-shadow .25s;
}
.nav.scrolled{background:rgba(247,244,238,.92);backdrop-filter:blur(10px);box-shadow:0 1px 0 var(--line)}
.brand{display:inline-flex;align-items:center}
.brand img{height:52px;width:auto;display:block}
.brand .logo-light{display:none;filter:drop-shadow(0 1px 2px rgba(0,0,0,.55))}
/* sur le hero : le grand logo du hero prend le relais, la nav reste discrète */
.nav.on-hero:not(.scrolled) .brand .logo-ink{display:none}
.nav.on-hero:not(.scrolled) .brand .logo-light{display:none}
.nav.scrolled .brand .logo-ink{display:block}
.nav-links{display:flex;gap:1.35rem;margin-left:.4rem}
.nav-links a{
  font-family:var(--display);font-weight:600;font-size:.92rem;
  color:var(--ink);text-decoration:none;opacity:.85;
}
.nav.on-hero:not(.scrolled) .nav-links a{color:#fff;text-shadow:0 1px 6px rgba(0,0,0,.45)}
.nav-links a:hover{opacity:1;color:var(--green-deep)}
.nav.on-hero:not(.scrolled) .nav-links a:hover{color:#dff0d8}
.nav-cta{margin-left:auto;display:flex;gap:.6rem;align-items:center}
.nav .tel{white-space:nowrap}
.nav.on-hero:not(.scrolled) .tel{color:#fff;border-color:rgba(255,255,255,.45)}

/* ============ hero ============ */
.hero{position:relative;min-height:92svh;display:flex;align-items:flex-end;overflow:hidden}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 34%}
.hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(12,16,10,.42) 0%,rgba(12,16,10,.18) 42%,rgba(10,14,9,.78) 100%);
}
.hero-inner{
  position:relative;z-index:2;color:#fff;
  padding:clamp(5.5rem,10vh,8rem) clamp(1rem,5vw,3rem) clamp(2.2rem,6vh,3.6rem);
  max-width:920px;
}
.hero-logo{
  height:clamp(110px,17vw,190px);width:auto;margin-bottom:2rem;
  filter:drop-shadow(0 2px 5px rgba(0,0,0,.5));
}
.hero-sub{margin:.9rem 0 1.5rem;font-size:clamp(1rem,2vw,1.15rem);max-width:56ch;color:#f0ede6}
.hero-actions{display:flex;gap:.8rem;flex-wrap:wrap;margin-bottom:1.4rem}
.google-chip{
  display:inline-flex;align-items:center;gap:.55rem;
  background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.35);
  border-radius:999px;padding:.45rem 1rem;color:#fff;text-decoration:none;
  font-size:.92rem;backdrop-filter:blur(6px);
}
.google-chip:hover{background:rgba(255,255,255,.22)}
.stars{display:inline-flex;gap:2px}
.stars svg{width:15px;height:15px;fill:#f6c445}

/* ============ bandeau confiance ============ */
.strip{border-block:1px solid var(--line);background:var(--surface)}
.strip-inner{
  max-width:1120px;margin:0 auto;display:grid;
  grid-template-columns:repeat(4,1fr);gap:1rem;
  padding:1.2rem clamp(1rem,4vw,2rem);
}
.strip-item{text-align:center}
.strip-item strong{display:block;font-family:var(--display);font-size:1.25rem;font-weight:700}
.strip-item span{font-size:.85rem;color:var(--muted)}

/* ============ sections ============ */
.section{padding:clamp(3.2rem,8vh,5.5rem) clamp(1rem,4vw,2rem)}
.section.alt{background:var(--surface);border-block:1px solid var(--line)}
.section-head{max-width:760px;margin:0 auto 2.4rem;text-align:center}
.section-sub{color:var(--muted);margin-top:1rem}
.grain{width:150px;height:auto;margin:1rem auto 0;display:block}
.grain path{fill:none;stroke:var(--grain);stroke-width:1.4;stroke-linecap:round}

/* ============ galerie ============ */
.gallery{
  max-width:1120px;margin:0 auto;display:grid;gap:1rem;
  grid-template-columns:repeat(3,1fr);
}
.g-item{
  position:relative;border-radius:var(--radius);overflow:hidden;cursor:zoom-in;
  border:1px solid var(--line);background:#000;
}
.g-item.wide{grid-column:span 2}
.g-item img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .5s ease,opacity .3s}
.g-item:hover img{transform:scale(1.035);opacity:.94}
.g-item figcaption{
  position:absolute;inset:auto 0 0 0;padding:1.6rem .9rem .7rem;
  color:#fff;font-size:.85rem;font-weight:500;
  background:linear-gradient(180deg,transparent,rgba(0,0,0,.72));
}

/* ============ services ============ */
.cards{
  max-width:1120px;margin:0 auto;display:grid;gap:1rem;
  grid-template-columns:repeat(3,1fr);
}
.card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.5rem 1.4rem;transition:border-color .2s,transform .2s;
}
.card:hover{border-color:var(--green);transform:translateY(-2px)}
.card .ico{width:34px;height:34px;color:var(--green-deep);margin-bottom:.9rem}
.card p{font-size:.92rem;color:var(--muted);margin-top:.45rem}

/* ============ avis ============ */
.reviews{
  max-width:1120px;margin:0 auto;display:grid;gap:1rem;
  grid-template-columns:repeat(2,1fr);
}
.review{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.5rem 1.5rem 1.2rem;position:relative;
}
.review::before{
  content:"“";position:absolute;top:.4rem;left:1rem;
  font-family:var(--display);font-size:3.2rem;color:var(--green-pale);line-height:1;
}
.review p{position:relative;font-size:.98rem}
.review footer{margin-top:.9rem;font-size:.85rem;color:var(--muted);font-weight:500}
.rstars{color:#e0a52e;letter-spacing:.12em;margin-right:.4rem}
.reviews-note{text-align:center;margin-top:1.6rem;color:var(--muted);font-size:.95rem}

/* ============ about ============ */
.about{background:var(--green-deep);color:#f2f0e9;padding:2.6rem clamp(1rem,4vw,2rem)}
.about-inner{max-width:820px;margin:0 auto;text-align:center;font-size:clamp(1rem,2vw,1.15rem)}
.about strong{color:#fff}

/* ============ devis ============ */
.devis-wrap{max-width:680px;margin:0 auto;position:relative}
.devis{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.8rem;position:relative;
}
.demo-badge{
  position:absolute;top:-11px;right:1.2rem;
  background:var(--ink);color:#fff;font-size:.68rem;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;
  padding:.25rem .7rem;border-radius:999px;
}
.frow{margin-bottom:1rem}
.frow.two{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.devis label{display:block;font-size:.85rem;font-weight:600;color:var(--ink)}
.devis input,.devis select,.devis textarea{
  width:100%;margin-top:.35rem;padding:.7rem .8rem;
  font:inherit;font-size:.95rem;color:var(--ink);
  background:#fff;border:1px solid var(--line);border-radius:9px;
}
.devis input:focus,.devis select:focus,.devis textarea:focus{
  outline:2px solid var(--green);outline-offset:0;border-color:var(--green);
}
.upload{
  display:flex;align-items:center;gap:.8rem;cursor:pointer;
  border:1.5px dashed var(--grain);border-radius:10px;padding:.9rem 1rem;
  background:#fff;transition:border-color .2s;
}
.upload:hover{border-color:var(--green)}
.upload svg{width:26px;height:26px;color:var(--green-deep);flex:none}
.upload span{font-weight:400;font-size:.9rem;color:var(--muted)}
.upload span strong{color:var(--ink)}
.thumbs{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:.6rem}
.thumbs img{width:64px;height:64px;object-fit:cover;border-radius:8px;border:1px solid var(--line)}
.devis-note{font-size:.8rem;color:var(--muted);margin-top:.9rem}
.devis-ok{
  background:var(--green-pale);border:1px solid var(--green);border-radius:var(--radius);
  padding:2.2rem;text-align:center;
}
.devis-ok svg{width:52px;height:52px;color:var(--green-deep);margin:0 auto 1rem}
.devis-ok h3{margin-bottom:.5rem}
.devis-ok .btn{margin-top:1.1rem}

/* ============ footer ============ */
.foot{background:#14120d;color:#cfc9be;padding:2.6rem clamp(1rem,4vw,2rem) 5.5rem}
.foot-inner{
  max-width:1120px;margin:0 auto;display:grid;gap:2rem;
  grid-template-columns:auto 1fr auto;align-items:start;
}
.foot-logo{height:76px;width:auto}
.foot-brand p{margin-top:.7rem;font-size:.85rem}
.foot-info a{color:#fff;text-decoration:none;font-weight:500}
.foot-info a:hover{text-decoration:underline}
.foot-info p{margin-bottom:.3rem}
.foot-legal{text-align:right;font-size:.85rem}
.foot .tiny{font-size:.72rem;opacity:.65;max-width:34ch;margin-top:.5rem}

/* ============ barre mobile ============ */
.mobile-bar{
  position:fixed;inset:auto 0 0 0;z-index:60;display:none;
  gap:1px;background:var(--line);
  box-shadow:0 -4px 18px rgba(0,0,0,.12);
}
.mb-btn{
  flex:1;display:flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.95rem .5rem;font-family:var(--display);font-weight:700;font-size:.95rem;
  text-decoration:none;
}
.mb-btn svg{width:19px;height:19px}
.mb-btn.call{background:var(--surface);color:var(--ink)}
.mb-btn.devis{background:var(--green);color:#fff}

/* ============ lightbox ============ */
.lightbox{
  position:fixed;inset:0;z-index:100;background:rgba(10,10,8,.93);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:2.5rem 1rem;
}
.lightbox img{max-width:min(94vw,1100px);max-height:80vh;object-fit:contain;border-radius:8px}
.lb-cap{color:#e8e4da;margin-top:.8rem;font-size:.9rem}
.lb-close{
  position:absolute;top:1rem;right:1.1rem;
  background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.35);
  width:42px;height:42px;border-radius:50%;font-size:1.05rem;cursor:pointer;
}
.lb-close:hover{background:rgba(255,255,255,.25)}

/* ============ reveals ============ */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .55s ease,transform .55s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .g-item img{transition:none}
}

/* ============ responsive ============ */
@media (max-width:960px){
  .gallery{grid-template-columns:repeat(2,1fr)}
  .cards{grid-template-columns:repeat(2,1fr)}
  .nav-links{display:none}
}
@media (max-width:640px){
  .hero{min-height:86svh}
  .brand img{height:42px}
  .hero-logo{height:clamp(84px,26vw,110px)}
  .strip-inner{grid-template-columns:repeat(2,1fr);gap:1.1rem .6rem}
  .gallery{grid-template-columns:1fr}
  .g-item.wide{grid-column:span 1}
  .cards{grid-template-columns:1fr}
  .reviews{grid-template-columns:1fr}
  .frow.two{grid-template-columns:1fr}
  .nav .tel span{display:none}
  .nav .tel{padding:.72rem .8rem}
  .mobile-bar{display:flex}
  .foot{padding-bottom:7rem}
  .foot-inner{grid-template-columns:1fr;gap:1.4rem}
  .foot-legal{text-align:left}
  .nav-cta .btn.solid{display:none}
}