/* ==========================================================================
   SECTORWEB — Design system v2 « Blueprint »
   Canvas near-white · hairline #e5e7eb · orange rationné · pilules
   ========================================================================== */

:root{
  /* Couleurs */
  --ember:#ff4d00;
  --ember-glow:#fcddcc;
  --ember-wash:#febec2;
  --gridline:#e3dfd6;
  --ink:#262626;
  --vellum:#f0ede6;
  --slate:#6b6b62;
  --graphite:#575751;
  --ash:#6f6f67;
  --stone:#c2beb2;
  --mist:#b1ada1;
  --pebble:#7c7c73;
  --canvas:#ffffff;
  --page-bg:#f7f5f0;

  /* Typo */
  --f-sans:"Geist",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"Geist Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  /* Rayons */
  --r-pill:999px;
  --r-card:16px;
  --r-input:8px;
  --r-win:8px;
  --r-sm:6px;

  /* Ombres */
  --sh-ring:var(--page-bg) 0 0 0 6px;
  --sh-ring-lg:var(--page-bg) 0 0 0 8px;
  --sh-glow:0 0 0 6px var(--ember-glow);
  --sh-card:rgba(0,0,0,.03) 0 24px 32px -12px,rgba(0,0,0,.03) 0 16px 24px -8px,rgba(0,0,0,.03) 0 8px 16px -4px,rgba(0,0,0,.03) 0 0 0 1px;
  --sh-lift:rgba(0,0,0,.02) 0 40px 48px -20px,rgba(0,0,0,.03) 0 32px 32px -20px,rgba(0,0,0,.03) 0 16px 24px -12px,rgba(0,0,0,.03) 0 0 0 1px;

  /* Layout */
  --page:1200px;
  --gap-sec:96px;
  --pad-x:clamp(20px,4vw,32px);
}

*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  background:var(--page-bg);
  color:var(--ink);
  font-family:var(--f-sans);
  font-size:15px;
  line-height:1.6;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
a{color:var(--ink);text-decoration:none}
a:hover{color:var(--ember)}
::selection{background:var(--ember);color:#fff}

/* ============ LAYOUT ============ */
.wrap{max-width:var(--page);margin:0 auto;padding:0 var(--pad-x)}
.sec{padding:clamp(64px,8vw,96px) 0}
.sec-tight{padding:clamp(44px,5vw,64px) 0}
.rule{border:0;border-top:1px solid var(--gridline)}

/* Fond quadrillé « papier millimétré » */
.grid-bg{position:relative}
.grid-bg::before{
  content:"";position:absolute;inset:0;pointer-events:none;z-index:0;
  background-image:linear-gradient(var(--gridline) 1px,transparent 1px),linear-gradient(90deg,var(--gridline) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(ellipse 80% 62% at 50% 32%,#000 0%,transparent 78%);
  mask-image:radial-gradient(ellipse 80% 62% at 50% 32%,#000 0%,transparent 78%);
  opacity:.65;
}
.grid-bg > *{position:relative;z-index:1}

/* ============ TYPO ============ */
.display-xl{font-size:clamp(38px,5.4vw,60px);line-height:1.02;letter-spacing:-.022em;font-weight:500}
.display{font-size:clamp(32px,4.2vw,52px);line-height:1.07;letter-spacing:-.018em;font-weight:500}
.h-lg{font-size:clamp(28px,3.2vw,40px);line-height:1.1;letter-spacing:-.012em;font-weight:500}
.h{font-size:24px;line-height:1.2;font-weight:500;letter-spacing:-.008em}
.h-sm{font-size:20px;line-height:1.33;font-weight:500;letter-spacing:-.005em}
.hl{color:var(--ember)}
.lead{font-size:16px;line-height:1.6;color:var(--slate);max-width:56ch}
.body-muted{color:var(--slate)}
.mono{font-family:var(--f-mono);font-size:13px;letter-spacing:0}
.caption{font-size:12px;line-height:1.5;letter-spacing:.01em;color:var(--ash)}

/* ============ EN-TÊTE DE SECTION NUMÉROTÉ ============ */
.sec-index{display:flex;align-items:center;gap:10px;padding-left:12px;position:relative;margin-bottom:20px}
.sec-index::before{content:"";position:absolute;left:0;top:2px;bottom:2px;width:2px;background:var(--ember)}
.sec-index .dot{width:4px;height:4px;border-radius:var(--r-pill);background:var(--ember);flex-shrink:0}
.sec-index span{font-family:var(--f-mono);font-size:12px;color:var(--slate);letter-spacing:.02em;text-transform:uppercase}
.sec-head{max-width:44ch;margin-bottom:48px}
.sec-head p{margin-top:16px;font-size:16px;line-height:1.6;color:var(--slate);max-width:52ch}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;max-width:52ch}
.sec-head.center .sec-index{justify-content:center;padding-left:0;width:fit-content;margin-inline:auto}
.sec-head.center .sec-index::before{display:none}
.sec-head.center p{margin-inline:auto}

/* ============ BOUTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:14px;font-weight:500;letter-spacing:.01em;
  padding:10px 18px;border-radius:var(--r-pill);
  transition:background .16s,box-shadow .16s,color .16s;white-space:nowrap;
}
.btn-primary{background:var(--ember);color:#fff;box-shadow:var(--sh-glow)}
.btn-primary:hover{background:#e64500;color:#fff}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#111;color:#fff}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--gridline)}
.btn-ghost:hover{background:var(--vellum);color:var(--ink)}
.btn-plain{background:transparent;color:var(--ink);padding:8px 12px}
.btn-plain:hover{background:var(--vellum);color:var(--ink)}
.btn-lg{padding:13px 24px;font-size:15px}
.btn .arw{font-family:var(--f-mono);font-size:13px;line-height:1}

/* ============ BADGES / TAGS ============ */
.badge{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:500;letter-spacing:.01em;padding:4px 11px;border-radius:var(--r-pill);background:var(--vellum);border:1px solid var(--gridline);color:var(--slate)}
.badge .dot{width:5px;height:5px;border-radius:var(--r-pill);background:var(--ember);flex-shrink:0}
.badge-solid{background:var(--ember);color:#fff;border-color:transparent;padding:2px 9px}
.tag{display:inline-flex;align-items:center;font-family:var(--f-mono);font-size:12px;padding:3px 10px;border-radius:var(--r-pill);background:var(--vellum);border:1px solid var(--gridline);color:var(--slate)}

/* ============ CARTES ============ */
.card{background:var(--vellum);border:1px solid var(--gridline);border-radius:var(--r-card);padding:32px 24px}
.card-plain{background:var(--canvas);border:1px solid var(--gridline);border-radius:var(--r-card);padding:32px}
.card-lift{background:var(--canvas);border:1px solid var(--gridline);border-radius:var(--r-card);padding:32px;box-shadow:var(--sh-lift)}
.ico-circle{width:40px;height:40px;border-radius:var(--r-pill);display:flex;align-items:center;justify-content:center;background:var(--canvas);border:1px solid var(--gridline);color:var(--ember);flex-shrink:0}
.ico-circle svg{width:19px;height:19px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}

/* ============ FENÊTRE TECHNIQUE ============ */
.win{background:var(--vellum);border:1px solid var(--gridline);border-radius:var(--r-win);overflow:hidden;box-shadow:var(--sh-ring-lg)}
.win-bar{height:40px;border-bottom:1px solid var(--gridline);display:flex;align-items:center;padding:0 14px;gap:10px;background:var(--canvas)}
.win-bar .lights{display:flex;gap:6px}
.win-bar .lights i{width:6px;height:6px;border-radius:var(--r-pill);background:var(--gridline);display:block}
.win-bar .file{font-family:var(--f-mono);font-size:12px;color:var(--slate);flex:1;text-align:center}
.win-bar .act{font-family:var(--f-mono);font-size:12px;color:var(--ink);background:var(--vellum);border:1px solid var(--gridline);border-radius:var(--r-sm);padding:3px 9px}
.win-body{padding:20px;font-family:var(--f-mono);font-size:13px;line-height:1.57;overflow-x:auto}
.win-line{display:grid;grid-template-columns:26px 1fr;gap:16px}
.win-line .ln{color:var(--mist);text-align:right;font-size:12px;user-select:none}
.k-orange{color:var(--ember)}
.k-com{color:var(--graphite)}
.k-dim{color:var(--slate)}

/* ============ TABS ============ */
.tabs{display:flex;gap:2px}
.tab{font-family:var(--f-mono);font-size:13px;font-weight:500;color:var(--slate);padding:6px 12px;border-radius:var(--r-pill);transition:background .15s,color .15s}
.tab:hover{background:var(--vellum);color:var(--ink)}
.tab.on{background:var(--ink);color:#fff}

/* ============ NAV ============ */
.banner{background:var(--ember);color:#fff;font-size:14px;font-weight:500;text-align:center;padding:10px 16px}
.banner a{color:#fff;text-decoration:underline;text-underline-offset:2px}
.banner a:hover{color:#fff;opacity:.85}
.nav{position:sticky;top:0;z-index:100;background:rgba(247,245,240,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--gridline)}
.nav-in{max-width:var(--page);margin:0 auto;padding:0 var(--pad-x);height:64px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.nav-links{display:flex;align-items:center;gap:2px;list-style:none}
.nav-links a{font-size:14px;font-weight:500;padding:8px 12px;border-radius:var(--r-pill);color:var(--ink)}
.nav-links a:hover{background:var(--vellum);color:var(--ink)}
.nav-links a.on{color:var(--ember)}
.nav-right{display:flex;align-items:center;gap:6px}
.nav-tel{font-family:var(--f-mono);font-size:13px;color:var(--ink);padding:8px 12px;border-radius:var(--r-pill);white-space:nowrap;flex-shrink:0}
.nav-tel:hover{background:var(--vellum);color:var(--ink)}
@media(max-width:920px){.nav-links,.nav-tel{display:none}}

/* Logo (masque recolorable) */
.mark{
  display:inline-block;background-color:var(--ember);
  -webkit-mask-image:url("assets/logo-noir-hires.png");mask-image:url("assets/logo-noir-hires.png");
  -webkit-mask-size:contain;mask-size:contain;
  -webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;
  -webkit-mask-position:left center;mask-position:left center;
  aspect-ratio:1929/424;height:22px;flex-shrink:0;
}
.mark.ink{background-color:var(--ink)}
.mark.white{background-color:#fff}

/* ============ BARRE DE SAISIE (signature) ============ */
.inputbar{display:flex;align-items:center;gap:8px;background:var(--canvas);border:1px solid var(--gridline);border-radius:var(--r-pill);padding:8px 8px 8px 20px;box-shadow:var(--sh-ring);max-width:720px}
.inputbar input{flex:1;min-width:0;border:0;outline:none;background:transparent;font-family:var(--f-sans);font-size:14px;color:var(--ink)}
.inputbar input::placeholder{color:var(--stone)}
.inputbar .send{width:36px;height:36px;border-radius:var(--r-pill);background:var(--ember);color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .16s}
.inputbar .send:hover{background:#e64500}
.inputbar .send svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.chips{display:flex;gap:4px;flex-wrap:wrap;margin-top:14px}
.chip{display:inline-flex;align-items:center;gap:6px;font-family:var(--f-mono);font-size:13px;font-weight:500;color:var(--ink);background:var(--vellum);border:1px solid var(--gridline);border-radius:var(--r-pill);padding:5px 12px;transition:border-color .15s,color .15s}
.chip:hover{border-color:var(--stone)}
.chip.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.chip .i{color:var(--slate);font-size:12px}
.chip.on .i{color:#fff}

/* ============ NUAGE DE LOGOS ============ */
.cloud{display:grid;grid-template-columns:repeat(6,1fr);border:1px solid var(--gridline);border-radius:var(--r-card);overflow:hidden;background:var(--vellum)}
.cloud > div{padding:26px 18px;border-right:1px solid var(--gridline);display:flex;align-items:center;justify-content:center;text-align:center;font-size:14px;font-weight:500;color:var(--ink);opacity:.72}
.cloud > div:last-child{border-right:0}
@media(max-width:900px){.cloud{grid-template-columns:repeat(3,1fr)}.cloud > div:nth-child(3n){border-right:0}.cloud > div:nth-child(-n+3){border-bottom:1px solid var(--gridline)}}
@media(max-width:520px){.cloud{grid-template-columns:repeat(2,1fr)}.cloud > div{border-right:1px solid var(--gridline);border-bottom:1px solid var(--gridline)}.cloud > div:nth-child(2n){border-right:0}}

/* ============ GRILLES ============ */
.g2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.g3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.g4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
@media(max-width:960px){.g3,.g4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.g2,.g3,.g4{grid-template-columns:minmax(0,1fr)}}

/* ============ FOOTER ============ */
.foot{border-top:1px solid var(--gridline);background:var(--vellum);padding:64px 0 28px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.foot h4{font-family:var(--f-mono);font-size:12px;letter-spacing:.02em;text-transform:uppercase;color:var(--slate);margin-bottom:14px;font-weight:400}
.foot ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.foot li a{font-size:14px;color:var(--graphite)}
.foot li a:hover{color:var(--ember)}
.foot .about{font-size:14px;line-height:1.6;color:var(--slate);max-width:34ch;margin-top:16px}
.foot-btm{border-top:1px solid var(--gridline);padding-top:22px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-family:var(--f-mono);font-size:12px;color:var(--ash)}
@media(max-width:760px){.foot-grid{grid-template-columns:1fr 1fr;gap:32px}}

/* ============ BARRE MOBILE ============ */
.mbar{position:fixed;left:0;right:0;bottom:0;z-index:120;display:none;gap:8px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(247,245,240,.94);backdrop-filter:blur(10px);border-top:1px solid var(--gridline)}
.mbar .btn{flex:1}
@media(max-width:920px){.mbar{display:flex}body{padding-bottom:70px}}