/* ============================================================
   Atelier Antre — D.A. « Antre » (luxe · raffiné · chic)
   Palette espresso / crème / or champagne — Cormorant Garamond + Jost.
   Maquette d'étude — ASALIS Consulting Group.
   ============================================================ */
:root{
  --noir:#1A1410; --brun:#2A211A; --brun-2:#3A2E24;
  --creme:#F2EADC; --creme-2:#E7DAC5; --sable:#DCCBB0;
  --or:#B8965A; --or-clair:#D8BC85; --or-pale:#EAD9B4;
  --encre:#2A211A; --gris:#8C7B65;
  --trait:rgba(42,33,26,.15); --trait-or:rgba(184,150,90,.42); --trait-clair:rgba(242,234,220,.16);
  --s2:16px; --s3:28px; --s4:56px; --s5:132px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@view-transition{navigation:auto}
@media (prefers-reduced-motion:no-preference){
  ::view-transition-old(root){animation:vt-out .32s ease both}
  ::view-transition-new(root){animation:vt-in .42s ease both}
}
@keyframes vt-out{to{opacity:0}}
@keyframes vt-in{from{opacity:0}}
body{font-family:'Jost',sans-serif;font-size:16.5px;line-height:1.72;color:var(--encre);background:var(--creme);-webkit-font-smoothing:antialiased}
h1,h2,h3,.serif{font-family:'Cormorant Garamond',serif;font-weight:400}
h1,h2,h3{line-height:1.04;letter-spacing:.005em;color:var(--brun)}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{width:min(1200px,90%);margin:0 auto}
.eyebrow{font-family:'Jost',sans-serif;font-size:11px;letter-spacing:.42em;text-transform:uppercase;font-weight:500;color:var(--or)}
body::before{content:"";position:fixed;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--or),var(--or-clair),var(--or));z-index:70}

/* Header / nav */
header{position:sticky;top:0;z-index:50;background:transparent;border-bottom:1px solid transparent;transition:background .45s ease,border-color .45s ease}
header::before{content:"";position:absolute;left:0;right:0;top:0;height:150px;background:linear-gradient(180deg,rgba(20,14,10,.55),rgba(20,14,10,0));z-index:-1;transition:opacity .45s;pointer-events:none}
header.solid{background:rgba(242,234,220,.94);backdrop-filter:blur(10px);border-bottom-color:var(--trait-or)}
header.solid::before{opacity:0}
.nav{display:flex;align-items:center;justify-content:space-between;padding:22px 0;gap:16px}
.logo{font-family:'Cormorant Garamond',serif;font-weight:500;font-size:26px;letter-spacing:.06em;color:#fff;white-space:nowrap;transition:color .45s ease;text-transform:uppercase}
.logo em{font-style:italic;color:var(--or-clair);text-transform:none;letter-spacing:.01em}
.nav ul{display:none;list-style:none;gap:var(--s3);font-size:12px;font-weight:400;letter-spacing:.16em;text-transform:uppercase}
.nav ul a{color:rgba(242,234,220,.82);transition:color .3s;padding-bottom:4px;border-bottom:1px solid transparent}
.nav ul a:hover{color:#fff}
.nav ul a[aria-current="page"]{color:#fff;border-bottom-color:var(--or-clair)}
.btn{display:inline-block;font-family:'Jost',sans-serif;font-weight:500;font-size:12px;letter-spacing:.18em;text-transform:uppercase;background:var(--brun);color:var(--creme);padding:14px 30px;border-radius:0;transition:background .3s,color .3s,border-color .3s;cursor:pointer;border:1px solid var(--brun)}
.btn:hover{background:var(--or);border-color:var(--or);color:var(--noir)}
.btn.ghost{background:transparent;border:1px solid var(--brun);color:var(--brun)}
.btn.ghost:hover{border-color:var(--or);color:var(--or);background:transparent}
header .btn{background:rgba(242,234,220,.12);color:#fff;border:1px solid rgba(234,217,180,.55)}
header .btn:hover{background:var(--or);border-color:var(--or);color:var(--noir)}
header.solid .logo{color:var(--brun)}
header.solid .logo em{color:var(--or)}
header.solid .nav ul a{color:var(--gris)}
header.solid .nav ul a:hover{color:var(--brun)}
header.solid .nav ul a[aria-current="page"]{color:var(--brun);border-bottom-color:var(--or)}
header.solid .btn{background:var(--brun);color:var(--creme);border:1px solid var(--brun)}
header.solid .btn:hover{background:var(--or);border-color:var(--or);color:var(--noir)}

/* Image frame (double liseré or) */
.frame-dbl{position:relative;border:1px solid var(--trait-or)}
.frame-dbl::before{content:"";position:absolute;inset:-9px;border:1px solid var(--or);pointer-events:none;z-index:1}
.frame-dbl figure{background:var(--creme-2);overflow:hidden;margin:0}
.frame-dbl img{width:100%;height:100%;object-fit:cover;display:block}

/* Hero cinématographique */
.hero-cine{position:relative;min-height:92vh;display:flex;align-items:flex-end;overflow:hidden;background:var(--noir)}
.hero-cine .bg{position:absolute;inset:0;z-index:0}
.hero-cine .bg img{width:100%;height:100%;object-fit:cover;transform-origin:center;animation:kenburns 22s ease-out both}
@keyframes kenburns{from{transform:scale(1.13)}to{transform:scale(1)}}
.hero-cine::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(20,14,10,.16) 0%,rgba(20,14,10,.36) 42%,rgba(20,14,10,.88) 100%)}
.hero-cine .wrap{position:relative;z-index:2;padding:var(--s5) 0 var(--s5);width:min(1200px,90%)}
.hero-cine .eyebrow{color:var(--or-clair)}
.hero-cine h1{color:#fff;font-size:clamp(52px,8.4vw,116px);font-weight:300;max-width:15em;margin-top:16px;letter-spacing:.01em;line-height:.98}
.hero-cine h1 em{font-style:italic;color:var(--or-clair)}
.hero-cine .stand{font-size:19px;color:#efe7d9;max-width:36em;margin:var(--s3) 0;font-weight:300}
.hero-cine .cta-row{display:flex;flex-wrap:wrap;gap:14px}
.hero-cine .meta{display:flex;flex-wrap:wrap;gap:14px 36px;margin-top:var(--s4);padding-top:var(--s3);border-top:1px solid rgba(234,217,180,.26);font-size:12px;font-weight:400;letter-spacing:.06em;text-transform:uppercase;color:#d9cdb8}
.hero-cine .meta b{color:#fff;font-family:'Cormorant Garamond',serif;font-weight:500;font-size:15px;text-transform:none;letter-spacing:0}
.hero-cine .scroll-hint{position:absolute;left:50%;bottom:24px;z-index:2;transform:translateX(-50%);color:rgba(234,217,180,.72);font-size:10.5px;letter-spacing:.3em;text-transform:uppercase;animation:bob 2.4s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,7px)}}
.hero-cine .up{opacity:0;transform:translateY(26px);animation:heroUp 1s cubic-bezier(.22,.61,.36,1) forwards}
.hero-cine .up.d1{animation-delay:.15s}.hero-cine .up.d2{animation-delay:.32s}.hero-cine .up.d3{animation-delay:.49s}.hero-cine .up.d4{animation-delay:.66s}
@keyframes heroUp{to{opacity:1;transform:none}}
.hero-cine.compact{min-height:60vh}
.hero-cine.compact .wrap{padding:var(--s5) 0 var(--s4)}
.hero-cine.compact h1{font-size:clamp(44px,6.4vw,84px);max-width:16em}
.hero-cine.compact .scroll-hint{display:none}
@media (prefers-reduced-motion:reduce){
  .hero-cine .bg img{animation:none}
  .hero-cine .up{opacity:1;transform:none;animation:none}
  .hero-cine .scroll-hint{animation:none}
}

/* Bande signature */
.signature{border-top:1px solid var(--trait-or);border-bottom:1px solid var(--trait-or);padding:24px 0;background:var(--creme-2)}
.signature .wrap{display:flex;flex-wrap:wrap;gap:14px 46px;justify-content:center;font-size:11px;letter-spacing:.26em;text-transform:uppercase;font-weight:500;color:var(--brun)}

/* Book / projets */
.book{padding:var(--s5) 0}
.book .head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:var(--s4)}
.book h2{font-size:clamp(40px,6vw,74px);font-weight:300}
.book .head p{font-size:15px;color:var(--gris);max-width:26em}
.proj{display:grid;gap:var(--s4);align-items:center;padding:var(--s4) 0;border-top:1px solid var(--trait-or)}
.proj:nth-child(even) .frame-dbl{order:-1}
.proj .projimg{aspect-ratio:64/46}
.proj .num{font-family:'Cormorant Garamond',serif;font-style:italic;font-size:19px;color:var(--or)}
.proj h3{font-size:clamp(30px,4vw,46px);margin:10px 0 16px;font-weight:400}
.proj p{font-size:16px;color:#4a3d30;max-width:34em}
.proj .facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:var(--s3)}
.proj .facts span{font-size:11px;font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:var(--brun);border:1px solid var(--trait-or);padding:8px 16px}

/* Galerie grille */
.grid-proj{display:grid;grid-template-columns:1fr;gap:var(--s3);padding:var(--s4) 0}
.card{position:relative;overflow:hidden;background:var(--creme-2);border:1px solid var(--trait-or)}
.card figure{margin:0;overflow:hidden;aspect-ratio:4/3;background:var(--creme-2)}
.card img{width:100%;height:100%;object-fit:cover;transition:transform 1s cubic-bezier(.22,.61,.36,1);cursor:zoom-in}
.card:hover img{transform:scale(1.05)}
.card .cap{padding:22px 24px}
.card .cap .num{font-family:'Cormorant Garamond',serif;font-style:italic;font-size:16px;color:var(--or)}
.card .cap h3{font-size:26px;margin-top:2px;font-weight:400}
.card .cap p{font-size:13.5px;color:var(--gris);margin-top:6px}

/* Bloc éditorial (bio) */
.prose{padding:var(--s4) 0 var(--s5)}
.prose .col{max-width:60ch}
.prose p{margin-bottom:var(--s3);font-size:17.5px;color:#463a2e;font-weight:300}
.prose p .lead-in{font-family:'Cormorant Garamond',serif;font-size:1.35em;color:var(--brun);font-style:italic}
.timeline{display:grid;gap:2px;margin-top:var(--s4)}
.tcell{background:var(--creme-2);padding:28px 26px;border-left:2px solid var(--or)}
.tcell b{display:block;font-family:'Cormorant Garamond',serif;font-size:23px;color:var(--brun);margin-bottom:6px;font-weight:500}
.tcell p{font-size:14.5px;color:var(--gris);margin:0}

/* Section « Antre » — signature mobilier (fond espresso) */
.antre{background:var(--noir);color:var(--creme);padding:var(--s5) 0}
.antre .eyebrow{color:var(--or-clair)}
.antre h2{color:#fff;font-size:clamp(38px,5.4vw,66px);margin:14px 0 var(--s3);max-width:15em;font-weight:300}
.antre p{color:#d9cdb8;max-width:40em;font-weight:300;font-size:17px}
.antre .grid2{display:grid;gap:2px;margin-top:var(--s4)}
.pcell{background:rgba(242,234,220,.05);padding:34px 30px;border-top:2px solid var(--or)}
.pcell b{display:block;font-family:'Cormorant Garamond',serif;font-size:24px;color:#fff;margin-bottom:8px;font-weight:500}
.pcell p{font-size:14.5px;color:#cdbfa8}
.antre .quote{margin-top:var(--s4);border-top:1px solid var(--trait-clair);padding-top:var(--s4)}
.antre blockquote{font-family:'Cormorant Garamond',serif;font-style:italic;font-size:clamp(26px,3.4vw,38px);color:#fff;max-width:22em;line-height:1.28;font-weight:400}
.antre cite{display:block;margin-top:16px;font-family:'Jost',sans-serif;font-style:normal;font-size:11px;font-weight:500;letter-spacing:.18em;text-transform:uppercase;color:var(--or-clair)}

/* Mur de presse */
.press-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:2px;padding:var(--s4) 0}
.pr{background:var(--creme-2);padding:32px 26px;border-top:2px solid var(--or);display:flex;flex-direction:column;gap:8px;min-height:160px;justify-content:center}
.pr .mag{font-family:'Cormorant Garamond',serif;font-size:27px;color:var(--brun);font-weight:500}
.pr .det{font-size:13px;color:var(--gris);letter-spacing:.02em}
.pr .flag{font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;font-weight:500;color:var(--or)}

/* Contact */
.contact-grid{display:grid;gap:var(--s4);padding:var(--s4) 0 var(--s5)}
.cinfo b{display:block;font-family:'Cormorant Garamond',serif;font-size:24px;color:var(--brun);margin-bottom:6px;font-weight:500}
.cinfo p{font-size:16px;color:#463a2e;margin-bottom:var(--s3)}
.cinfo a{color:var(--brun);border-bottom:1px solid var(--or)}
.serv{display:flex;flex-wrap:wrap;gap:9px;margin-top:8px}
.serv span{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--brun);border:1px solid var(--trait-or);padding:8px 15px}
form label{display:block;font-size:11px;font-weight:500;letter-spacing:.14em;color:var(--brun);margin:16px 0 6px;text-transform:uppercase}
form input,form textarea{width:100%;font-family:inherit;font-size:15px;color:var(--encre);background:var(--creme-2);border:1px solid var(--trait-or);padding:14px 16px;border-radius:0}
form input:focus,form textarea:focus{outline:none;border-color:var(--or)}
form .btn{margin-top:22px}

/* Footer */
footer{background:var(--brun);color:#cdbfa8;padding:var(--s5) 0 var(--s4);font-size:15px;border-top:3px solid var(--or)}
.foot{display:grid;gap:var(--s3)}
.foot b{display:block;color:#fff;font-family:'Cormorant Garamond',serif;font-size:22px;margin-bottom:10px;font-weight:500}
.foot a:hover{color:var(--or-clair)}
.foot ul{list-style:none;display:grid;gap:6px;font-size:14px}
.legal{border-top:1px solid var(--trait-clair);margin-top:var(--s4);padding-top:var(--s3);font-size:12px;color:#a2917a;display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between}

/* Badge maquette */
.badge-asalis{position:fixed;left:14px;bottom:14px;z-index:60;font-family:'Jost',sans-serif;font-size:10.5px;letter-spacing:.04em;background:rgba(26,20,16,.92);color:var(--creme);padding:7px 14px;border:1px solid var(--trait-or)}

/* Lightbox */
.lightbox{position:fixed;inset:0;z-index:100;background:rgba(20,14,10,.95);display:flex;align-items:center;justify-content:center;padding:6vh 5vw;cursor:zoom-out;opacity:0;visibility:hidden;transition:opacity .3s ease}
.lightbox.open{opacity:1;visibility:visible}
.lightbox img{max-width:100%;max-height:88vh;object-fit:contain;box-shadow:0 24px 70px rgba(0,0,0,.6);transform:scale(.97);transition:transform .3s ease}
.lightbox.open img{transform:scale(1)}
.lightbox .lb-cap{position:absolute;bottom:26px;left:0;right:0;text-align:center;color:var(--creme);font-size:13px;letter-spacing:.04em;padding:0 20px}
.lightbox .lb-close{position:absolute;top:20px;right:28px;color:var(--creme);font-size:34px;line-height:1;cursor:pointer;opacity:.8}
.lightbox .lb-close:hover{opacity:1;color:var(--or-clair)}

/* Reveal */
.js .rv{opacity:0;transform:translateY(26px);transition:opacity .8s ease,transform .8s cubic-bezier(.22,.61,.36,1)}
.js .rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.js .rv{opacity:1;transform:none;transition:none}}

@media (min-width:760px){
  .grid-proj{grid-template-columns:repeat(2,1fr);gap:var(--s3)}
}
@media (min-width:860px){
  .nav ul{display:flex}
  .proj{grid-template-columns:1fr 1fr;gap:var(--s5)}
  .antre .grid2{grid-template-columns:repeat(3,1fr)}
  .press-grid{grid-template-columns:repeat(3,1fr)}
  .timeline{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr 1fr;gap:var(--s5)}
  .foot{grid-template-columns:1.5fr 1fr 1fr 1fr}
}