/* ============================================================
   THE CUSTOM LAB — style.css
   Système : noir profond, ivoire, violet. Typo unique Archivo
   (display étiré 800, corps 400/500). Moderne, luxe, 2026.
   ============================================================ */

:root{
  --noir:#0A0A0A;
  --noir-2:#141414;
  --noir-3:#1C1C1C;
  --hairline:#232323;
  --ivoire:#F5F2EC;
  --gris:#C7C3BA;
  --gris-2:#B2B2B2;
  --violet:#6C2BD9;
  --violet-hover:#7d3df0;
  --violet-clair:#A97DFF;
  --violet-pale:#CBB5F5;
  --pad:clamp(20px,5vw,72px);
  --display:'Archivo',system-ui,sans-serif;
  --body:'Archivo',system-ui,-apple-system,sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--noir);
  color:var(--ivoire);
  font-family:var(--body);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul{list-style:none}
::selection{background:var(--violet);color:var(--ivoire)}

/* ---------- Typo ---------- */
h1,h2,.display{
  font-family:var(--display);
  font-weight:800;
  font-stretch:118%;
  text-transform:uppercase;
  letter-spacing:-.01em;
  line-height:1.04;
}
.accent{color:var(--violet-clair)}
.eyebrow{
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--gris-2);
}

/* ---------- Boutons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-size:14px;font-weight:600;
  padding:16px 32px;border-radius:99px;
  border:none;cursor:pointer;
  transition:transform .25s cubic-bezier(.3,1.4,.5,1),background .2s;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:scale(.97)}
.btn-violet{background:var(--violet);color:var(--ivoire)}
.btn-violet:hover{background:var(--violet-hover)}
.btn-ivoire{background:var(--ivoire);color:var(--noir)}
.btn-ghost{background:transparent;color:var(--ivoire);border:1px solid #3a3a3a}
.link-underline{
  font-size:14px;color:var(--ivoire);
  text-decoration:underline;text-underline-offset:5px;text-decoration-thickness:1px;
  transition:color .2s;
}
.link-underline:hover{color:var(--violet-clair)}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px var(--pad);
  transition:background .35s,backdrop-filter .35s,padding .35s;
}
.site-header.scrolled{
  background:rgba(10,10,10,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  padding:12px var(--pad);
  border-bottom:1px solid var(--hairline);
}
.logo img{height:46px;width:auto;transition:height .35s}
.site-header.scrolled .logo img{height:38px}
.main-nav{display:flex;gap:36px;font-size:14px;color:var(--ivoire)}
.main-nav a{position:relative;transition:color .2s}
.main-nav a:hover{color:var(--ivoire)}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:-6px;height:2px;width:0;
  background:var(--violet-clair);transition:width .3s;
}
.main-nav a:hover::after{width:100%}
.header-cta{font-size:13px;padding:12px 24px}
.burger{display:none;background:none;border:none;cursor:pointer;z-index:110}
.burger span{display:block;width:24px;height:2px;background:var(--ivoire);margin:5px 0;transition:.3s}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero : image droite fondue dans le noir, texte sur noir ---------- */
.hero{
  position:relative;
  min-height:100svh;height:auto;
  display:flex;align-items:flex-end;
  background:var(--noir);
  overflow:hidden;
}
.hero-bg{
  position:absolute;top:0;right:0;height:100%;width:64%;
  object-fit:cover;object-position:center 38%;
  animation:heroIn 1.6s ease-out both;
}
@keyframes heroIn{from{opacity:0}to{opacity:1}}
.hero-veil{
  position:absolute;inset:0;
  background:
    linear-gradient(to right,#0A0A0A 0%,#0A0A0A 37%,rgba(10,10,10,.55) 52%,rgba(10,10,10,.16) 68%,rgba(10,10,10,.42) 100%),
    linear-gradient(to top,rgba(10,10,10,.82) 0%,rgba(10,10,10,0) 32%),
    linear-gradient(to bottom,rgba(10,10,10,.6) 0%,rgba(10,10,10,0) 16%);
}
.hero-content{
  position:relative;z-index:2;
  width:100%;max-width:820px;
  padding:clamp(128px,17vh,168px) var(--pad) clamp(40px,6vh,72px);
}
.hero-chip{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ivoire);
  background:rgba(10,10,10,.45);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border:1px solid rgba(245,242,236,.18);
  padding:9px 16px;border-radius:99px;
  margin-bottom:24px;
}
.chip-dot{
  width:7px;height:7px;border-radius:50%;background:var(--violet-clair);
  animation:pulse 2s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.hero h1{
  font-size:clamp(30px,4.2vw,58px);color:var(--ivoire);
  text-wrap:balance;max-width:760px;
}
.hero-sub{
  font-size:clamp(15px,1.3vw,18px);color:#DBD8D0;
  max-width:500px;margin-top:22px;
}
.hero-actions{display:flex;align-items:center;gap:22px;margin-top:30px;flex-wrap:wrap}


/* ---------- Sections génériques ---------- */
section{padding:clamp(70px,10vw,120px) var(--pad)}
.section-head{display:flex;gap:clamp(30px,6vw,80px);align-items:flex-start}
.section-head .eyebrow{flex-shrink:0;padding-top:10px;min-width:110px}
h2{font-size:clamp(26px,3.4vw,42px);max-width:640px}

/* ---------- Expérience ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:56px}
.step{
  position:relative;overflow:hidden;
  background:var(--noir-2);border:1px solid var(--hairline);border-radius:16px;
  padding:28px 26px 34px;
  transition:transform .35s ease,border-color .35s ease;
}
.step:hover{transform:translateY(-5px);border-color:#3E3E44}
.step-ghost{
  position:absolute;right:6px;bottom:-26px;
  font-family:var(--display);font-weight:800;font-stretch:118%;
  font-size:118px;line-height:1;letter-spacing:-.03em;
  color:rgba(169,125,255,.08);pointer-events:none;user-select:none;
}
.step-num{
  display:flex;align-items:center;gap:10px;
  font-family:var(--display);font-weight:800;font-stretch:118%;
  font-size:14px;letter-spacing:.08em;color:var(--violet-clair);
}
.step-dot{width:8px;height:8px;border-radius:50%;background:var(--violet-clair);flex-shrink:0}
.step h3{font-size:17px;font-weight:700;margin-top:16px;position:relative}
.step p{font-size:14.5px;color:var(--gris);margin-top:10px;position:relative;line-height:1.7}


/* ---------- Ateliers ---------- */
.ateliers{background:var(--noir-2)}
.ateliers-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(30px,6vw,80px);align-items:center}
.ateliers-text{color:var(--gris);font-size:16px;max-width:480px;margin-top:18px}
.ateliers .savoir-img{border-radius:12px;overflow:hidden;height:clamp(300px,42vh,440px)}
.ateliers .savoir-img img{width:100%;height:100%;object-fit:cover}

/* ---------- Savoir-faire ---------- */
.savoir{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,6vw,80px);align-items:center}
.savoir .savoir-img{border-radius:10px;overflow:hidden;aspect-ratio:3/4;height:clamp(420px,62vh,560px);width:auto;max-width:100%;margin:0 auto}
.savoir .savoir-img img{width:100%;height:100%;object-fit:cover;transition:transform .8s ease}
.savoir-img:hover img{transform:scale(1.03)}
.savoir p{color:var(--gris);font-size:16px;max-width:440px;margin-top:20px}
.savoir .techniques{margin-top:28px;display:flex;flex-direction:column;gap:16px}
.savoir .technique{border-top:1px solid var(--hairline);padding-top:16px}
.savoir .technique strong{font-size:15px}
.savoir .technique span{display:block;font-size:14px;color:var(--gris);margin-top:4px}

/* ---------- Pour qui ---------- */
.publics{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;margin-top:56px;background:var(--hairline)}
.publics-2{grid-template-columns:repeat(2,1fr)}
.public-tag{font-size:11.5px;letter-spacing:.18em;color:var(--violet-clair);margin-bottom:14px}
.public-img{height:230px;border-radius:10px;overflow:hidden;margin-bottom:22px}
.public-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.public:hover .public-img img{transform:scale(1.04)}
.public{background:var(--noir);padding:clamp(28px,3vw,44px) clamp(22px,2.5vw,36px);transition:background .3s}
.public:hover{background:var(--noir-2)}
.public h3{font-size:17px;font-weight:700}
.public p{font-size:15px;color:var(--gris);margin-top:12px}
.public a{display:inline-block;margin-top:18px;font-size:13px;color:var(--violet-clair)}

/* ---------- Galerie ---------- */
.gallery{display:grid;grid-template-columns:repeat(12,1fr);gap:14px;margin-top:56px}
.gallery figure{border-radius:6px;overflow:hidden;position:relative}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .7s ease}
.gallery figure:hover img{transform:scale(1.05)}
.g1{grid-column:span 7;aspect-ratio:16/11}
.g2{grid-column:span 5;aspect-ratio:4/3;align-self:end}
.g3{grid-column:span 5;aspect-ratio:4/3}
.g4{grid-column:span 7;aspect-ratio:16/11}
.gallery-foot{display:flex;justify-content:space-between;align-items:center;margin-top:26px;font-size:14px;color:var(--gris-2)}

/* ---------- Témoignages ---------- */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:56px}
.quote{
  margin:0;background:var(--noir-2);border:1px solid var(--hairline);border-radius:16px;
  padding:28px 26px;display:flex;flex-direction:column;
  transition:transform .35s ease,border-color .35s ease;
}
.quote:hover{transform:translateY(-5px);border-color:#3E3E44}
.quote-mark{
  font-family:var(--display);font-weight:800;font-size:44px;line-height:.6;
  color:var(--violet-clair);
}
.quote blockquote{margin:0;flex:1}
.quote blockquote p{font-size:15px;color:#D5D2CA;line-height:1.75;margin-top:16px}
.quote figcaption{margin-top:22px;padding-top:16px;border-top:1px solid var(--hairline)}
.quote figcaption strong{display:block;font-size:14px;color:var(--ivoire)}
.quote figcaption span{display:block;font-size:12.5px;color:var(--gris-2);margin-top:3px}

/* ---------- Bande blanche : marquee des paires ---------- */
.paires-band{background:#FFFFFF;padding:clamp(64px,9vw,100px) 0}
.paires-head{padding:0 var(--pad);margin-bottom:44px}
.paires-head h2{max-width:none}
.marquee{overflow:hidden;position:relative}
.marquee-track{
  display:flex;gap:18px;width:max-content;
  animation:marquee 38s linear infinite;
}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee-track img{
  width:clamp(200px,22vw,290px);height:clamp(200px,22vw,290px);
  object-fit:cover;border-radius:10px;
  border:1px solid #ECEAE5;
  background:#fff;
}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){
  .marquee-track{animation:none;flex-wrap:wrap;width:auto;padding:0 var(--pad)}
}
.paires-foot{padding:34px var(--pad) 0;text-align:center}

/* ---------- Bande de chiffres (unique, sous le hero) ---------- */
.stats-band{
  background:var(--violet);
  padding:clamp(22px,3.2vw,34px) var(--pad);
}
.stats-row{
  display:flex;justify-content:space-between;align-items:center;
  gap:clamp(24px,4vw,60px);max-width:980px;margin:0 auto;
}
.stat{display:flex;align-items:baseline;gap:12px}
.stat b{
  font-family:var(--display);font-weight:800;font-stretch:118%;
  font-size:clamp(26px,2.6vw,38px);letter-spacing:-.01em;line-height:1;
  color:var(--ivoire);
}
.stat span{font-size:14px;color:rgba(245,242,236,.85)}

/* ---------- FAQ ---------- */
.faq-list{margin-top:48px;max-width:820px}
.faq-item{border-top:1px solid var(--hairline)}
.faq-item:last-child{border-bottom:1px solid var(--hairline)}
.faq-q{
  width:100%;display:flex;justify-content:space-between;align-items:center;gap:20px;
  background:none;border:none;color:var(--ivoire);cursor:pointer;
  font-size:16px;font-weight:600;text-align:left;padding:22px 0;font-family:var(--body);
}
.faq-q .plus{font-size:22px;color:var(--violet-clair);transition:transform .3s;flex-shrink:0}
.faq-item.open .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-a p{font-size:15px;color:var(--gris);padding:0 0 22px;max-width:680px}

/* ---------- CTA final ---------- */
.final-cta h2{font-size:clamp(34px,5vw,60px)}
.final-cta .hero-actions{margin-top:34px}
.final-note{font-size:14px;color:var(--gris)}

/* ---------- Footer ---------- */
footer{border-top:1px solid var(--hairline);padding:44px var(--pad) 32px}
.footer-grid{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;align-items:flex-start}
.footer-logo img{height:60px;width:auto;opacity:.9}
.footer-col{font-size:14px;color:var(--gris-2)}
.footer-col a{display:block;margin-top:8px;transition:color .2s}
.footer-col a:hover{color:var(--ivoire)}
.footer-col strong{color:var(--gris);font-size:12px;letter-spacing:.14em;text-transform:uppercase}
.footer-base{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:40px;font-size:13px;color:#A0A0A0}

/* ---------- Reveals ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- Page devis ---------- */
.devis-wrap{min-height:100svh;display:flex;flex-direction:column;padding-top:110px}
.devis-main{width:100%;max-width:640px;margin:0 auto;padding:0 var(--pad) 90px;flex:1}
.devis-main h1{font-size:clamp(30px,4.4vw,46px)}
.devis-sub{color:var(--gris);font-size:16px;margin-top:14px}
.progress{display:flex;gap:8px;margin:36px 0 40px}
.progress span{flex:1;height:3px;background:var(--noir-3);transition:background .4s}
.progress span.done{background:var(--violet-clair)}
.fstep{display:none}
.fstep.active{display:block;animation:fadein .45s ease}
@keyframes fadein{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.fstep h2{font-size:20px;text-transform:none;letter-spacing:0;font-family:var(--body);font-weight:700}
.choices{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:24px}
.choice input{position:absolute;opacity:0}
.choice label{
  display:block;padding:18px 20px;border:1px solid #333;border-radius:10px;
  font-size:14px;cursor:pointer;transition:border-color .2s,background .2s;
}
.choice input:checked+label{border-color:var(--violet-clair);background:rgba(108,43,217,.12)}
.choice label:hover{border-color:#555}
.field{margin-top:22px}
.field label{display:block;font-size:14px;color:var(--gris);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;background:var(--noir-2);border:1px solid #333;border-radius:10px;
  color:var(--ivoire);font-size:15px;padding:14px 16px;font-family:var(--body);
  transition:border-color .2s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--violet-clair)}
.field input[type="date"]{color-scheme:dark;min-height:50px}
.field textarea{min-height:110px;resize:vertical}
.fnav{display:flex;justify-content:space-between;align-items:center;margin-top:40px;gap:14px}
.fback{background:none;border:none;color:var(--gris);font-size:14px;cursor:pointer;padding:10px}
.fback:hover{color:var(--ivoire)}
.ferror{color:#ff8f8f;font-size:13px;margin-top:16px;display:none}

/* ---------- Blog ---------- */
.blog-hero{padding-top:150px}
.blog-hero h1{font-size:clamp(32px,5vw,56px)}
.articles{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:56px}
.article-card{border:1px solid var(--hairline);border-radius:10px;overflow:hidden;transition:transform .3s,border-color .3s;display:flex;flex-direction:column}
.article-card:hover{transform:translateY(-4px);border-color:#3a3a3a}
.article-card img{aspect-ratio:16/10;object-fit:cover;width:100%}
.article-body{padding:24px;display:flex;flex-direction:column;flex:1}
.article-body time{font-size:12px;color:var(--gris-2)}
.article-body h2{font-size:18px;text-transform:none;letter-spacing:0;font-family:var(--body);font-weight:700;line-height:1.4;margin-top:10px}
.article-body p{font-size:14px;color:var(--gris);margin-top:10px;flex:1}
.article-body .more{font-size:13px;color:var(--violet-clair);margin-top:16px}

.article{max-width:720px;margin:0 auto;padding:150px var(--pad) 90px}
.article h1{font-size:clamp(28px,4vw,42px);text-transform:none;letter-spacing:-.01em;line-height:1.15}
.article time{display:block;font-size:13px;color:var(--gris-2);margin-top:16px}
.article img{border-radius:8px;margin:36px 0}
.article h2{font-size:22px;text-transform:none;letter-spacing:0;margin:40px 0 14px;line-height:1.3}
.article p,.article li{color:#D2CFC7;font-size:16.5px;margin-bottom:16px}
.article ul{list-style:disc;padding-left:22px;margin-bottom:16px}
.article .cta-box{
  background:var(--noir-2);border:1px solid var(--hairline);border-radius:12px;
  padding:32px;margin-top:48px;text-align:center;
}
.article .cta-box p{margin:0 0 20px}

/* ---------- Sticky CTA mobile ---------- */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  display:none;justify-content:space-between;align-items:center;gap:12px;
  background:rgba(15,15,15,.92);backdrop-filter:blur(10px);
  border-top:1px solid #262626;padding:12px 18px;
  transform:translateY(100%);transition:transform .4s ease;
}
.sticky-cta.show{transform:none}
.sticky-cta small{font-size:12px;color:var(--gris)}
.sticky-cta .btn{padding:11px 22px;font-size:13px}

/* ---------- Responsive ---------- */
@media (max-width:920px){
  .main-nav{
    position:fixed;inset:0;background:rgba(10,10,10,.97);
    flex-direction:column;align-items:center;justify-content:center;gap:34px;
    font-size:22px;opacity:0;pointer-events:none;transition:opacity .3s;
  }
  .main-nav.open{opacity:1;pointer-events:auto}
  .burger{display:block}
  .header-cta{display:none}
  .steps{grid-template-columns:1fr;gap:0}
  .savoir{grid-template-columns:1fr}
  .publics{grid-template-columns:1fr}
  .gallery{grid-template-columns:repeat(2,1fr);gap:10px}
  .g1{grid-column:span 2;aspect-ratio:16/11}
  .g2,.g3,.g4,.g5{grid-column:span 1;aspect-ratio:1}
  .section-head{flex-direction:column;gap:16px}
  .hero{min-height:100svh;height:auto}
  .hero-bg{width:100%;object-position:center 30%}
  .savoir .savoir-img{height:400px;aspect-ratio:3/4}
  .public-img{height:190px}
  .marquee-track{gap:12px}
  .marquee-track img{width:190px;height:190px}
  .paires-head{margin-bottom:28px}
  section{padding-left:18px;padding-right:18px}
  .gallery{gap:8px}
  .hero-veil{background:
    linear-gradient(to top,rgba(10,10,10,.94) 0%,rgba(10,10,10,.5) 46%,rgba(10,10,10,.2) 70%,rgba(10,10,10,.72) 100%)}
  .hero-content{padding-bottom:96px;padding-top:110px}
  .steps{grid-template-columns:1fr}
  .ateliers-grid{grid-template-columns:1fr}
  .ateliers .savoir-img{height:260px}
  .publics-2{grid-template-columns:1fr}
  .quotes{grid-template-columns:1fr;gap:12px}
  .stats-row{flex-direction:column;align-items:flex-start;gap:14px}
  .step-ghost{font-size:96px;bottom:-20px}
  .sticky-cta{display:flex}
  .articles{grid-template-columns:1fr}
  .choices{grid-template-columns:1fr}
  footer{padding-bottom:90px}
}

/* ---------- Accessibilité / perfs ---------- */
:focus-visible{outline:2px solid var(--violet-clair);outline-offset:3px}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}


/* ---------- Lightbox paires ---------- */
.marquee-track img{cursor:zoom-in}
.lightbox{
  position:fixed;inset:0;z-index:200;
  display:none;align-items:center;justify-content:center;
  background:rgba(8,8,8,.93);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  padding:24px;
}
.lightbox.open{display:flex;animation:lbIn .25s ease}
@keyframes lbIn{from{opacity:0}to{opacity:1}}
.lightbox img{
  max-width:min(88vw,820px);max-height:84vh;
  border-radius:12px;background:#fff;
  box-shadow:0 30px 90px rgba(0,0,0,.6);
}
.lightbox-close{
  position:absolute;top:20px;right:24px;
  width:44px;height:44px;border-radius:50%;
  background:rgba(245,242,236,.12);border:1px solid rgba(245,242,236,.25);
  color:var(--ivoire);font-size:22px;line-height:1;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
}
.lightbox-close:hover{background:rgba(245,242,236,.22)}