/* =========================================================
   GRANDMAISON THIBAUT / Chantier
   Direction : éditoriale, typographie forte, grille asymétrique
   ========================================================= */

:root{
  --ink:#121110;
  --ink-2:#1c1a18;
  --bone:#f3f0ea;
  --bone-2:#e7e2d8;
  --paper:#fbfaf7;
  --orange:#ff6a13;
  --orange-d:#e05500;
  --grey:#77726c;
  --line:rgba(18,17,16,.14);
  --line-l:rgba(255,255,255,.14);
  --disp:'Archivo','Arial Black',system-ui,sans-serif;
  --body:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
}

*{box-sizing:border-box}
[hidden]{display:none!important}
html{overflow-x:clip;scroll-behavior:smooth;scroll-padding-top:84px}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--body);font-size:16px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{
  max-width:100%;display:block;
  /* indispensable avec les attributs width/height : sans ca le height de
     l'attribut serait applique tel quel la ou le CSS ne fixe que la largeur */
  height:auto;
  /* les photos du client ne doivent pas pouvoir etre glissees hors de la page */
  -webkit-user-drag:none;
  -webkit-touch-callout:none;
  -webkit-user-select:none;
  user-select:none;
}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
.wrap{width:min(1280px,92vw);margin-inline:auto}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;z-index:99;background:var(--orange);color:#fff;padding:10px 16px;border-radius:6px}

h1,h2,h3,h4{font-family:var(--disp);font-weight:800;line-height:.96;letter-spacing:-.03em;margin:0}
h1{font-size:clamp(2.2rem,4.6vw,4.5rem);text-transform:uppercase}
h2{font-size:clamp(2.2rem,5vw,4rem);text-transform:uppercase}
p{margin:0}

/* ---------- boutons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:17px 32px;border:2px solid var(--ink);cursor:pointer;
  font-weight:700;font-size:.86rem;letter-spacing:.08em;text-transform:uppercase;transition:.2s;
}
.btn-p{background:var(--ink);color:var(--paper)}
.btn-p:hover{background:var(--orange);border-color:var(--orange)}
.btn-l{background:transparent;color:var(--ink)}
.btn-l:hover{background:var(--ink);color:var(--paper)}
.btn-full{width:100%}

/* ---------- header ---------- */
.hdr{position:sticky;top:0;z-index:60;background:var(--paper);border-bottom:2px solid var(--ink);transition:background .3s}
.hdr-in{display:flex;align-items:stretch;justify-content:space-between;width:min(1280px,92vw);margin-inline:auto}
.brand{display:flex;align-items:center;gap:11px;padding:12px 0}
.brand img{width:42px;height:42px;object-fit:cover;flex:none}
.brand span{font-family:var(--disp);font-size:.78rem;line-height:1.18;text-transform:uppercase;letter-spacing:.02em;font-weight:600}
.brand b{font-weight:900;letter-spacing:.06em}

.nav{display:flex;align-items:stretch}
.nav a{
  display:flex;align-items:center;gap:8px;padding:0 22px;font-size:.8rem;font-weight:600;
  letter-spacing:.06em;text-transform:uppercase;border-left:1px solid var(--line);transition:.2s;
}
.nav a:hover{background:var(--ink);color:var(--paper)}
.nav a i{font-style:normal;font-size:.62rem;color:var(--orange);font-weight:700}
.nav a:hover i{color:var(--orange)}

.hdr-right{display:flex;align-items:stretch}
.hdr-tel{display:flex;align-items:center;padding:0 20px;font-weight:700;font-size:.86rem;border-left:1px solid var(--line)}
.hdr-tel:hover{color:var(--orange)}
.hdr-cta{display:flex;align-items:center;padding:0 24px;background:var(--orange);color:#fff;
  font-size:.8rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;transition:.2s}
.hdr-cta:hover{background:var(--ink)}

.burger{display:none;width:52px;background:none;border:0;border-left:1px solid var(--line);cursor:pointer;padding:0 14px}
.burger span{display:block;height:2px;background:var(--ink);transition:.25s}
.burger span+span{margin-top:7px}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(4.5px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){transform:translateY(-4.5px) rotate(-45deg)}

/* ---------- hero ---------- */
.hero{display:grid;grid-template-columns:1.08fr .92fr;min-height:calc(100svh - 68px);border-bottom:2px solid var(--ink)}
.hero-l{padding:clamp(34px,5vw,72px) clamp(24px,4vw,64px) clamp(24px,3vw,44px);display:flex;flex-direction:column;justify-content:center;
  width:min(700px,100%);margin-left:auto}
.hero h1{margin:0}
.hero h1 .soft{color:var(--orange)}
.hero-sub{margin-top:26px;font-size:1.05rem;color:var(--grey);max-width:46ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hero-meta{display:flex;flex-wrap:wrap;gap:0;margin:44px 0 0;border-top:1px solid var(--line)}
.hero-meta div{flex:1 1 90px;padding:16px 22px 0;border-right:1px solid var(--line)}
.hero-meta div:first-child{padding-left:0}
.hero-meta div:last-child{border-right:0;padding-right:0}
.hero-meta dt{font-size:.64rem;letter-spacing:.18em;text-transform:uppercase;color:var(--grey)}
.hero-meta dd{margin:2px 0 0;font-family:var(--disp);font-size:1.7rem;font-weight:800;letter-spacing:-.02em}

.hero-r{position:relative;border-left:2px solid var(--ink);min-height:56vh}
.hero-r>img{position:absolute;inset:0}
.hero-r img{width:100%;height:100%;object-fit:cover}
.hero-stamp{
  position:absolute;left:-46px;bottom:44px;z-index:2;width:132px;height:132px;border-radius:50%;
  background:var(--ink);color:#fff;display:grid;place-items:center;animation:spin 26s linear infinite;
}
.hero-stamp svg{position:absolute;inset:0;width:100%;height:100%;fill:#fff}
.hero-stamp text{font-size:7.4px;letter-spacing:.14em;font-family:var(--body);font-weight:600}
.hero-stamp b{font-family:var(--disp);font-size:1.7rem;color:var(--orange);letter-spacing:-.02em}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- marquee ---------- */
.marquee{background:var(--orange);color:#fff;overflow:hidden;border-bottom:2px solid var(--ink);padding:13px 0}
.marquee-track{display:flex;width:max-content;animation:slide 34s linear infinite}
.marquee-track span{font-family:var(--disp);font-size:1.1rem;font-weight:700;text-transform:uppercase;
  /* .2em = la largeur d'une espace : la jonction entre deux copies est alors
     rigoureusement identique aux separations internes du motif */
  letter-spacing:.02em;padding-right:.2em;white-space:nowrap}
/* 5 copies du motif, on n'en fait defiler qu'une (-20%) : il reste toujours
   4 copies a l'ecran, donc aucun vide meme sur un tres grand ecran */
@keyframes slide{to{transform:translateX(-20%)}}

/* ---------- sections ---------- */
.sec{padding:clamp(64px,8vw,110px) 0}
.sec-tight{padding-bottom:clamp(44px,5vw,70px)}
.sec-bone{background:var(--bone)}
.sec-dark{background:var(--ink);color:var(--bone)}
.sec-h{display:grid;grid-template-columns:auto 1fr;gap:26px;align-items:start;margin-bottom:52px;
  padding-bottom:26px;border-bottom:2px solid var(--ink)}
.sec-dark .sec-h{border-color:var(--line-l)}
.sec-n{font-family:var(--disp);font-size:clamp(2rem,4vw,3.2rem);font-weight:900;color:var(--orange);line-height:1}
.sec-h p{margin-top:14px;color:var(--grey);max-width:56ch}
.sec-h.light p{color:#9a938c}

/* ---------- accordéon services ---------- */
.acc-wrap{display:grid;grid-template-columns:1.25fr .75fr;gap:44px;align-items:start}
.item{border-top:1px solid var(--line)}
.item:last-child{border-bottom:1px solid var(--line)}
.item-h{
  width:100%;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:20px;
  background:none;border:0;padding:26px 4px;cursor:pointer;text-align:left;transition:.2s;
}
.item-h:hover{padding-left:12px}
.item-n{font-family:var(--disp);font-size:.86rem;font-weight:800;color:var(--orange)}
.item-t{font-family:var(--disp);font-size:clamp(1.3rem,2.4vw,2rem);font-weight:800;text-transform:uppercase;letter-spacing:-.02em}
.item-x{position:relative;width:20px;height:20px;flex:none}
.item-x::before,.item-x::after{content:"";position:absolute;background:var(--ink);transition:.3s}
.item-x::before{left:0;top:9px;width:20px;height:2px}
.item-x::after{left:9px;top:0;width:2px;height:20px}
.item.on .item-x::after{transform:rotate(90deg);opacity:0}
.item.on .item-t{color:var(--orange)}
.item-b{max-height:0;overflow:hidden;transition:max-height .45s cubic-bezier(.2,.8,.2,1)}
.item.on .item-b{max-height:420px}
.item-b p{padding:0 0 16px;color:var(--grey);max-width:60ch}
.item-b ul{list-style:none;display:flex;flex-wrap:wrap;gap:8px;padding:0 0 30px;margin:0}
.item-b li{font-size:.8rem;padding:6px 14px;border:1px solid var(--line);border-radius:100px;color:var(--grey)}

.acc-view{position:sticky;top:100px;aspect-ratio:3/4;overflow:hidden;background:var(--bone-2);border:2px solid var(--ink)}
.acc-view img{width:100%;height:100%;object-fit:cover;transition:opacity .35s ease}
.acc-view img.fade{opacity:0}

/* ---------- chiffres ---------- */
.figures{background:var(--ink);color:var(--bone);border-block:2px solid var(--ink)}
.fig-in{display:grid;grid-template-columns:repeat(4,1fr)}
.fig-in div{padding:44px 20px;border-left:1px solid var(--line-l);text-align:center}
.fig-in div:first-child{border-left:0}
.fig-in b{display:block;font-family:var(--disp);font-size:clamp(2.6rem,5vw,4.2rem);font-weight:900;line-height:1;letter-spacing:-.03em}
.fig-in b i{font-style:normal;font-size:.42em;color:var(--orange);vertical-align:super}
.fig-in span{display:block;margin-top:10px;font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:#9a938c}

/* ---------- rail réalisations ---------- */
.rail{
  display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x proximity;
  padding:4px calc((100% - min(1280px,92%))/2) 20px;
  scroll-padding-inline:calc((100% - min(1280px,92%))/2);
  scrollbar-width:none;cursor:grab;
}
.rail::-webkit-scrollbar{display:none}
.rail.grabbing{cursor:grabbing;scroll-snap-type:none}
.slide{flex:0 0 auto;width:min(400px,78vw);scroll-snap-align:start;position:relative;overflow:hidden;border:2px solid var(--ink)}
.slide img{width:100%;aspect-ratio:4/5;object-fit:cover;transition:transform .7s cubic-bezier(.2,.8,.2,1)}
.slide:hover img{transform:scale(1.05)}
.slide div{
  position:absolute;left:0;right:0;bottom:0;padding:44px 18px 16px;color:#fff;
  background:linear-gradient(transparent,rgba(18,17,16,.92));
}
.slide b{display:block;font-family:var(--disp);font-size:1.15rem;font-weight:800;text-transform:uppercase;letter-spacing:-.01em}
.slide span{font-size:.78rem;color:#c9c3bb}

.rail-nav{display:flex;align-items:center;gap:18px;margin-top:8px}
.rail-nav button{width:46px;height:46px;border:2px solid var(--ink);background:transparent;cursor:pointer;transition:.2s;flex:none}
.rail-nav button:hover{background:var(--ink);color:var(--paper)}
.bar{flex:1;height:2px;background:var(--line);position:relative}
.bar i{position:absolute;left:0;top:0;height:100%;width:20%;background:var(--orange);transition:left .15s linear,width .15s linear}

/* ---------- flips avant/après ---------- */
.flips{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.flip{margin:0;position:relative;overflow:hidden;border:2px solid var(--ink);aspect-ratio:4/3.4;cursor:pointer}
.flip img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:opacity .5s ease,transform .8s ease}
.flip .b{opacity:0}
.flip:hover .b,.flip:focus .b,.flip.on .b{opacity:1}
.flip:hover .a,.flip:focus .a,.flip.on .a{opacity:0}
.flip figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:44px 18px 16px;color:#fff;
  background:linear-gradient(transparent,rgba(18,17,16,.92));
}
.flip figcaption b{display:block;font-family:var(--disp);font-size:1.1rem;font-weight:800;text-transform:uppercase}
.flip figcaption span{font-size:.78rem;color:#c9c3bb}
.flip::after{
  content:"AVANT";position:absolute;top:12px;left:12px;background:#fff;color:var(--ink);
  font-size:.66rem;font-weight:800;letter-spacing:.14em;padding:5px 11px;
}
.flip:hover::after,.flip:focus::after,.flip.on::after{content:"APRÈS";background:var(--orange);color:#fff}

/* ---------- artisan ---------- */
.art{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:start;margin-bottom:70px}
.art blockquote{
  grid-column:1/-1;margin:0 0 12px;font-family:var(--disp);font-weight:700;letter-spacing:-.02em;
  font-size:clamp(1.4rem,3.2vw,2.5rem);line-height:1.2;
}
.art blockquote cite{display:block;margin-top:20px;font-family:var(--body);font-style:normal;
  font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;color:var(--orange);font-weight:700}
.art-img{border:2px solid var(--ink);overflow:hidden;aspect-ratio:4/3}
.art-img img{width:100%;height:100%;object-fit:cover}
.art-txt p{color:var(--grey)}
.art-ul{list-style:none;padding:0;margin:26px 0 0}
.art-ul li{display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:baseline;padding:15px 0;border-top:1px solid var(--line)}
.art-ul b{font-family:var(--disp);font-size:.95rem;text-transform:uppercase;letter-spacing:-.01em;min-width:150px}
.art-ul span{font-size:.9rem;color:var(--grey)}

.avis{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;border-top:2px solid var(--ink);padding-top:44px}
.avis blockquote{margin:0}
.avis p{font-size:1rem;line-height:1.6}
.avis p::before{content:"★★★★★";display:block;color:var(--orange);letter-spacing:.1em;margin-bottom:12px;font-size:.9rem}
.avis cite{display:block;margin-top:14px;font-style:normal;font-size:.8rem;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;color:var(--grey)}

/* ---------- contact ---------- */
.c-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:44px;align-items:start}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:20px;display:flex;flex-direction:column}
.field label{font-size:.7rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;margin-bottom:9px;color:#c9c3bb}
.field label i{color:var(--orange);font-style:normal}
.field input,.field select,.field textarea{
  width:100%;padding:15px 16px;border:1.5px solid rgba(255,255,255,.2);background:rgba(255,255,255,.04);
  color:var(--bone);border-radius:0;transition:.2s;font-size:.96rem;
}
.field select option{background:var(--ink);color:var(--bone)}
.field textarea{resize:vertical;min-height:120px}
.field input::placeholder,.field textarea::placeholder{color:#6f6862}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:0;border-color:var(--orange);background:rgba(255,255,255,.07);
}
.field.bad input,.field.bad select,.field.bad textarea{border-color:#ff6b5e;background:rgba(255,107,94,.08)}
.err{color:#ff8a80;font-size:.78rem;margin-top:6px;display:none}
.field.bad .err,.err.show{display:block}
.check{display:flex;gap:12px;align-items:flex-start;font-size:.87rem;color:#9a938c;cursor:pointer}
.check input{width:19px;height:19px;flex:none;margin-top:2px;accent-color:var(--orange)}
.check i{color:var(--orange);font-style:normal}
#err-rgpd{margin-top:6px}
#send{margin-top:24px;border-color:var(--orange);background:var(--orange);color:#fff}
#send:hover{background:#fff;color:var(--ink);border-color:#fff}
#send:disabled{opacity:.6;cursor:wait}
.form-note{margin-top:12px;font-size:.76rem;color:#6f6862;text-align:center}
.form-note i{color:var(--orange);font-style:normal}
.ok{margin-top:20px;padding:20px 22px;border:1.5px solid var(--orange);display:flex;flex-direction:column;gap:4px;
  background:rgba(255,106,19,.1)}
.ok b{font-family:var(--disp);font-size:1.05rem;text-transform:uppercase;color:#fff}
.ok span{font-size:.9rem;color:#c9c3bb}

.c-side{border-top:1px solid var(--line-l)}
.c-line{display:block;padding:18px 0;border-bottom:1px solid var(--line-l);transition:.2s}
.c-line span{display:block;font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;color:#7b746e;margin-bottom:4px}
.c-line b{font-family:var(--disp);font-size:1.02rem;font-weight:700;letter-spacing:-.01em;word-break:break-word}
a.c-line:hover b{color:var(--orange)}
.c-zone{padding:24px 0 0}
.c-zone span{display:block;font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;color:var(--orange);margin-bottom:10px;font-weight:700}
.c-zone p{font-size:.88rem;color:#9a938c;line-height:1.9}

/* ---------- footer ---------- */
.ftr{background:var(--ink-2);color:var(--bone);padding:64px 0 0;overflow:hidden}
.ftr-top{display:grid;grid-template-columns:1fr 2fr;gap:40px;padding-bottom:48px}
.ftr-b img{width:76px;height:76px;object-fit:cover;margin-bottom:16px}
.ftr-b p{color:#8d8781;font-size:.92rem}
.ftr-nav{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.ftr h4{font-family:var(--body);font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;color:var(--orange);margin:0 0 16px}
.ftr-nav a,.ftr-nav span{display:block;font-size:.9rem;padding:5px 0;color:#8d8781;transition:.2s}
.ftr-nav a:hover{color:#fff}
.ftr-word{
  font-family:var(--disp);font-weight:900;font-size:clamp(3rem,14vw,13rem);line-height:.8;
  letter-spacing:-.045em;color:transparent;-webkit-text-stroke:1.5px rgba(255,255,255,.16);
  text-align:center;user-select:none;margin-bottom:-.1em;
}
.ftr-bot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding:22px 0;
  border-top:1px solid var(--line-l);font-size:.78rem;color:#6f6862}

/* ---------- lightbox ---------- */
.lb{position:fixed;inset:0;z-index:120;background:rgba(18,17,16,.97);display:grid;place-items:center;padding:60px 70px}
.lb img{max-width:100%;max-height:82vh;object-fit:contain}
.lb p{position:absolute;bottom:26px;left:0;right:0;text-align:center;color:#fff;font-size:.9rem;
  letter-spacing:.1em;text-transform:uppercase}
.lb button{position:absolute;background:none;border:0;color:#fff;cursor:pointer;opacity:.7;transition:.2s}
.lb button:hover{opacity:1;color:var(--orange)}
.lb-x{top:20px;right:26px;font-size:2.6rem;line-height:1}
.lb-p,.lb-n{top:50%;transform:translateY(-50%);font-size:2rem;padding:20px}
.lb-p{left:12px}.lb-n{right:12px}

/* ---------- reveal ---------- */
.rv{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.8,.2,1)}
.rv.in{opacity:1;transform:none}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width:1150px){
  .nav a{padding:0 15px;font-size:.74rem}
  .hdr-tel{display:none}
}

/* visible uniquement dans le menu mobile (le .hdr-tel du header y est masque) */
.nav a.nav-tel{display:none;font-weight:800;color:var(--orange)}
@media (max-width:1000px){
  .acc-wrap{grid-template-columns:1fr}
  .acc-view{display:none}
  .c-grid{grid-template-columns:1fr;gap:36px}
  .flips{grid-template-columns:1fr}
  .flip{aspect-ratio:16/10}
  .avis{grid-template-columns:1fr}
  .ftr-top{grid-template-columns:1fr}
}
@media (max-width:900px){
  html{scroll-padding-top:84px}
  .burger{display:block}
  /* accroche au header (sticky = bloc conteneur) plutot qu'a une hauteur en dur ;
     visibility garantit qu'il ne deborde jamais sur le header quand il est ferme */
  .nav{
    position:absolute;top:100%;left:0;right:0;flex-direction:column;background:var(--paper);
    border-bottom:2px solid var(--ink);max-height:72svh;overflow-y:auto;
    /* opacite + translation : les deux seules proprietes que le navigateur
       anime sur le compositeur, donc sans a-coup. La translation part du bas,
       le menu ne passe donc jamais par-dessus le logo. */
    opacity:0;transform:translateY(10px);visibility:hidden;
    transition:opacity .28s ease,transform .28s cubic-bezier(.2,.8,.2,1),visibility 0s .28s;
  }
  .nav.open{opacity:1;transform:none;visibility:visible;
    transition:opacity .28s ease,transform .28s cubic-bezier(.2,.8,.2,1),visibility 0s}
  .nav a{padding:18px 24px;border-left:0;border-top:1px solid var(--line);font-size:1rem}
  .nav a.nav-tel{display:flex}
  .hero{grid-template-columns:1fr;min-height:0}
  .hero-l{width:100%;margin:0;padding:44px 4vw 40px}
  .hero h1{font-size:clamp(2.4rem,9vw,4.6rem)}
  .hero-r{border-left:0;border-top:2px solid var(--ink);min-height:56vh}
  .hero-stamp{left:auto;right:20px;bottom:20px;width:104px;height:104px}
  .fig-in{grid-template-columns:1fr 1fr}
  .fig-in div:nth-child(3){border-left:0}
  .fig-in div{border-top:1px solid var(--line-l)}
  .fig-in div:nth-child(-n+2){border-top:0}
  .art{grid-template-columns:1fr}
  .ftr-nav{grid-template-columns:1fr}
}
@media (max-width:640px){
  .f-row{grid-template-columns:1fr;gap:0}
  .sec-h{grid-template-columns:1fr;gap:8px}
  /* deux colonnes : chaque debut de ligne reste cale a gauche */
  .hero-meta div{flex:1 1 45%;border-bottom:1px solid var(--line);padding-bottom:12px}
  .hero-meta div:nth-child(odd){padding-left:0}
  .hero-meta div:nth-child(even){padding-right:0;border-right:0}
  .art-ul li{grid-template-columns:1fr;gap:4px}
  .lb{padding:50px 12px}
  .lb-p,.lb-n{padding:10px}
  .hdr-cta{padding:0 14px;font-size:.7rem}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .rv{opacity:1;transform:none}
}