/* ══════════════════════════════════════════════════════════
   TACTELYA — système de design partagé
   Palette « atelier » : encre, papier, rouille, pin.
   Utilisé par services / contact / merci / pages légales.
   ══════════════════════════════════════════════════════════ */

:root{
  --paper:#F4F1EA; --paper-hi:#FBF9F4;
  --ink:#0F1216; --ink-2:#161B21; --ink-3:#1F262E;
  --line:#E1DACB; --line-2:#CFC5B1; --line-ink:rgba(255,255,255,.09);
  --tx:#0F1216; --tx-2:#575E67; --tx-3:#686E76;
  --otx:#EDE8DE; --otx-2:rgba(237,232,222,.62); --otx-3:rgba(237,232,222,.34);
  --rust:#B4451F; --rust-lift:#E8834B; --rust-soft:#F5E7DE;
  --pine:#166A50; --pine-lift:#58D1A3;
  --maxw:1180px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  background:var(--paper);color:var(--tx);line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}

/* ---- TYPOGRAPHIE ---- */
.display{font-family:'Instrument Serif',Georgia,serif;font-weight:400;letter-spacing:-.015em;line-height:.99}
.display em{font-style:italic;color:var(--rust)}
.on-ink .display em{color:var(--rust-lift)}
h1.display{font-size:clamp(44px,6.2vw,88px)}
h2.display{font-size:clamp(32px,4.4vw,58px)}
h3{font-family:'Inter';font-weight:600;letter-spacing:-.01em}

.eyebrow{
  font-family:'JetBrains Mono',monospace;font-size:11px;font-weight:500;
  letter-spacing:.18em;text-transform:uppercase;color:var(--rust);
  display:inline-flex;align-items:center;gap:12px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:currentColor;opacity:.5}
.eyebrow.mid::before{display:none}
.on-ink .eyebrow{color:var(--rust-lift)}

.lead{font-size:18px;color:var(--tx-2);line-height:1.62;max-width:58ch}
.on-ink .lead{color:var(--otx-2)}

/* ---- GRAIN ---- */
.grain{position:relative;isolation:isolate}
.grain::after{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;opacity:.038;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)'/%3E%3C/svg%3E");
}
.grain > *{position:relative;z-index:2}

/* ---- BOUTONS ---- */
.btn{
  font-family:'Inter';font-weight:600;font-size:15px;
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 24px;border-radius:8px;cursor:pointer;border:1px solid transparent;
  transition:transform .18s cubic-bezier(.2,.7,.3,1),background .18s,border-color .18s;
  white-space:nowrap;
}
.btn svg{width:16px;height:16px;flex-shrink:0;transition:transform .22s}
.btn:hover svg{transform:translateX(3px)}
.btn-ink{background:var(--ink);color:var(--paper)}
.btn-ink:hover{background:#000;transform:translateY(-1px)}
.btn-paper{background:var(--paper);color:var(--ink)}
.btn-paper:hover{background:#fff;transform:translateY(-1px)}
.btn-line{background:transparent;color:var(--tx);border-color:var(--line-2)}
.btn-line:hover{border-color:var(--ink);background:rgba(15,18,22,.03)}
.on-ink .btn-line{color:var(--otx);border-color:rgba(255,255,255,.2)}
.on-ink .btn-line:hover{border-color:rgba(255,255,255,.45);background:rgba(255,255,255,.05)}

/* ---- ACCESSIBILITÉ ---- */
:focus-visible{outline:2px solid var(--rust);outline-offset:3px;border-radius:4px}
.on-ink :focus-visible{outline-color:var(--rust-lift)}
.skip{position:absolute;left:-9999px;top:0;z-index:100;background:var(--ink);color:var(--paper);padding:12px 20px;border-radius:0 0 8px 0;font-weight:600}
.skip:focus{left:0}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---- MARQUE « convergence » ---- */
.brand{display:inline-flex;align-items:center;gap:12px}
.brand .wm{font-family:'Instrument Serif',serif;font-size:25px;color:var(--otx);line-height:1;letter-spacing:-.02em}
.brand .mk{color:var(--rust-lift);flex-shrink:0}

/* ---- HEADER ---- */
header{position:sticky;top:0;z-index:60;background:rgba(15,18,22,0);transition:background .35s,border-color .35s;border-bottom:1px solid transparent}
header.solid{background:rgba(15,18,22,.88);backdrop-filter:blur(14px) saturate(150%);border-bottom-color:var(--line-ink)}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px;max-width:var(--maxw);margin:0 auto;padding:0 32px}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{font-size:14.5px;color:var(--otx-2);font-weight:500;position:relative;padding:4px 0;transition:color .18s}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--rust-lift);transition:width .25s cubic-bezier(.2,.7,.3,1)}
.nav-links a:hover{color:var(--otx)}
.nav-links a:hover::after{width:100%}
.nav-links a[aria-current="page"]{color:var(--otx)}
.nav-links a[aria-current="page"]::after{width:100%;background:var(--rust-lift)}
.nav-right{display:flex;align-items:center;gap:14px}
.nav-right .btn{padding:10px 18px;font-size:14px}
.menu-btn{display:none;background:none;border:none;color:var(--otx);cursor:pointer;padding:6px}
.menu-icon-close{display:none}
.menu-btn[aria-expanded="true"] .menu-icon-open{display:none}
.menu-btn[aria-expanded="true"] .menu-icon-close{display:block}
/* Le panneau doit rester HORS du <header> : celui-ci porte un
   backdrop-filter quand la page defile, et un ancetre filtre devient
   le bloc conteneur d'un position:fixed — le menu se reduisait alors
   a la hauteur du header. */
.mobile-nav{display:none;position:fixed;z-index:59;inset:76px 0 0;background:rgba(15,18,22,.98);backdrop-filter:blur(8px);padding:24px;overflow-y:auto}
.mobile-nav a{display:block;font-family:'Instrument Serif',serif;font-size:32px;color:var(--otx);padding:16px 0;border-bottom:1px solid var(--line-ink)}
.mobile-nav a:last-child{border-bottom:none;color:var(--rust-lift)}
body.menu-open{overflow:hidden}

/* ---- HERO DE PAGE INTÉRIEURE ---- */
.phero{background:var(--ink);color:var(--otx);margin-top:-76px;padding:150px 0 88px;position:relative;overflow:hidden}
.phero::before{content:"";position:absolute;top:-25%;right:-8%;width:62%;height:105%;background:radial-gradient(closest-side,rgba(180,69,31,.17),transparent 72%);pointer-events:none}
.phero h1{margin:24px 0 22px}
.phero .lead{margin-bottom:32px}
.phero-cta{display:flex;gap:12px;flex-wrap:wrap}
.phero-proof{display:flex;gap:8px 26px;flex-wrap:wrap;margin-top:30px;font-family:'JetBrains Mono',monospace;font-size:12.5px;color:var(--otx-3)}
.phero-proof span{display:inline-flex;align-items:center;gap:8px}
.phero-proof span::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--pine-lift);flex-shrink:0}

/* ---- SECTIONS ---- */
.section{padding:112px 0}
.section-head{max-width:730px;margin-bottom:60px}
.section-head.mid{margin-left:auto;margin-right:auto;text-align:center}
.section-head.mid .lead{margin-left:auto;margin-right:auto}
.section-head h2{margin:20px 0 18px}
.tone{background:var(--paper-hi);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ---- REGISTRE ÉDITORIAL ---- */
.ledger{border-top:1px solid var(--line)}
.led{display:grid;grid-template-columns:58px 1fr 1.2fr;gap:30px;align-items:baseline;padding:26px 0;border-bottom:1px solid var(--line);transition:background .25s}
.led:hover{background:rgba(15,18,22,.022)}
.led .n{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--tx-3)}
.led h3{font-family:'Instrument Serif',serif;font-weight:400;font-size:22px;line-height:1.15}
.led p{font-size:15px;color:var(--tx-2)}

/* ---- MOSAÏQUE ---- */
.mosaic{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.mos{background:var(--paper-hi);padding:32px 28px;transition:background .25s}
.mos:hover{background:var(--paper)}
.mos .mi{font-family:'JetBrains Mono',monospace;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--rust);margin-bottom:16px}
.mos h4{font-family:'Inter';font-size:17px;font-weight:600;margin-bottom:9px;letter-spacing:-.01em}
.mos p{font-size:14.5px;color:var(--tx-2);line-height:1.62}

/* ---- FAQ ---- */
.faq{border-top:1px solid var(--line)}
.qa{border-bottom:1px solid var(--line)}
.qa summary{list-style:none;cursor:pointer;padding:24px 0;display:flex;justify-content:space-between;align-items:center;gap:24px;font-size:18px;font-weight:500;letter-spacing:-.01em}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"+";font-family:'JetBrains Mono',monospace;font-size:20px;color:var(--rust);flex-shrink:0;transition:transform .25s}
.qa[open] summary::after{transform:rotate(45deg)}
.qa p{padding:0 0 24px;color:var(--tx-2);font-size:15.5px;max-width:74ch}
.qa p + p{padding-top:0}

/* ---- CTA ---- */
.cta{background:var(--ink);color:var(--otx);padding:120px 0;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;bottom:-40%;left:18%;width:64%;height:120%;background:radial-gradient(closest-side,rgba(180,69,31,.18),transparent 72%);pointer-events:none}
.cta-inner{max-width:820px;margin:0 auto;text-align:center}
.cta h2{margin:22px 0 20px}
.cta .lead{margin:0 auto 36px;text-align:center}
.cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cta-note{margin-top:26px;font-family:'JetBrains Mono',monospace;font-size:11.5px;color:var(--otx-3)}

/* ---- FOOTER ---- */
footer{background:var(--ink);color:var(--otx);padding:0 0 40px;border-top:1px solid var(--line-ink)}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;padding:64px 0 48px}
.foot-brand p{font-size:14px;color:var(--otx-3);line-height:1.65;margin-top:16px;max-width:34ch}
.foot h3{font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--otx-3);margin-bottom:18px}
.foot a{display:block;font-size:14.5px;color:var(--otx-2);margin-bottom:12px;transition:color .18s}
.foot a:hover{color:var(--otx)}
.foot-bot{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;padding-top:26px;border-top:1px solid var(--line-ink);font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--otx-3)}

/* ══════════ PAGES LÉGALES ══════════ */
.crumbs{font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--otx-3);margin-bottom:22px}
.crumbs a{color:var(--rust-lift)}
.crumbs span{margin:0 8px;opacity:.5}
.legal-meta{margin-top:26px;font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--otx-3)}
.legal-wrap{padding:88px 0 112px}
.legal-grid{display:grid;grid-template-columns:250px 1fr;gap:64px;align-items:start}

.lsom{position:sticky;top:100px;border-top:1px solid var(--line);padding-top:20px}
.lsom h4{font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--tx-3);margin-bottom:16px}
.lsom ol{list-style:none;counter-reset:s}
.lsom li{counter-increment:s}
.lsom a{display:flex;gap:11px;padding:7px 0;font-size:13.5px;color:var(--tx-2);transition:color .18s,padding-left .18s}
.lsom a::before{content:counter(s,decimal-leading-zero);font-family:'JetBrains Mono',monospace;font-size:10.5px;color:var(--tx-3);flex-shrink:0;padding-top:2px}
.lsom a:hover{color:var(--rust);padding-left:4px}

.lbody > section{padding-bottom:44px;margin-bottom:44px;border-bottom:1px solid var(--line);scroll-margin-top:100px}
.lbody > section:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}
.lbody h2{font-family:'Instrument Serif',serif;font-weight:400;font-size:30px;line-height:1.1;letter-spacing:-.015em;margin-bottom:20px;display:flex;align-items:baseline;gap:14px}
.lbody h2 .n{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--rust);flex-shrink:0}
.lbody p{font-size:15.5px;color:var(--tx-2);line-height:1.72;margin-bottom:15px;max-width:76ch}
.lbody p:last-child{margin-bottom:0}
.lbody strong{color:var(--tx);font-weight:600}
.lbody ul{list-style:none;margin:4px 0 16px}
.lbody ul li{position:relative;padding:7px 0 7px 22px;font-size:15.5px;color:var(--tx-2);line-height:1.68;max-width:76ch}
.lbody ul li::before{content:"";position:absolute;left:2px;top:16px;width:6px;height:1.5px;background:var(--rust)}
.lbody a.inline{color:var(--rust);font-weight:500;border-bottom:1px solid rgba(180,69,31,.3)}
.lbody a.inline:hover{border-bottom-color:var(--rust)}
.lbody dl{margin:6px 0 12px;border-top:1px solid var(--line)}
.lbody dl > div{display:grid;grid-template-columns:220px 1fr;gap:20px;padding:13px 0;border-bottom:1px solid var(--line)}
.lbody dt{font-size:13.5px;font-weight:600;color:var(--tx)}
.lbody dd{font-size:15px;color:var(--tx-2);line-height:1.6}

@media(max-width:1000px){
  .legal-grid{grid-template-columns:1fr;gap:40px}
  .lsom{position:static}
  .lbody dl > div{grid-template-columns:1fr;gap:4px}
}

/* ---- RÉVÉLATION ---- */
.rv{opacity:0;transform:translateY(20px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.75,.3,1)}
.rv.in{opacity:1;transform:none}

/* ---- RESPONSIVE ---- */
@media(max-width:1000px){
  .nav-links,.nav-right .btn{display:none}
  .menu-btn{display:grid;place-items:center}
  .mobile-nav:not([hidden]){display:block}
  .mosaic{grid-template-columns:1fr 1fr}
  .led{grid-template-columns:44px 1fr;gap:8px 20px}
  .led p{grid-column:2}
}
@media(max-width:640px){
  .wrap,.nav{padding-left:20px;padding-right:20px}
  .section,.cta{padding:72px 0}
  .phero{padding:118px 0 60px}
  .section-head{margin-bottom:44px}
  .mosaic{grid-template-columns:1fr}
  .phero-cta,.cta-btns{flex-direction:column;align-items:stretch}
  .phero-cta .btn,.cta-btns .btn{justify-content:center}
  .foot{grid-template-columns:1fr;gap:32px}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .rv{opacity:1;transform:none}
}