:root{
  --void:#0b0908; --surface:#151110; --surface2:#1c1613;
  --ink:#f4ede2; --paper:#f4ede2; --text:#f4ede2; --dim:#a89b89; --offwhite:#efe6d8;
  --rule: rgba(244,237,226,.14); --rule-strong: rgba(244,237,226,.28);
  --accent:#e6472c; --accent-dark:#ff6b4a; --accent-deep:#7a2415; --accent-tint: rgba(230,71,44,.14);
  --spark:#5fe0d6; --spark-tint: rgba(95,224,214,.12);
  --mono:'IBM Plex Mono',ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
  --sans:'Archivo',-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --display:'Unbounded',-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;background:var(--void)}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;background:var(--void);color:var(--text);
  font-family:var(--sans);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;
  position:relative;
}
/* texture de fond : grille de points façon PCB, fixe, discrète, jamais littérale */
body::before{
  content:'';position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.5;
  background-image:radial-gradient(rgba(244,237,226,.05) 1px, transparent 1px);
  background-size:28px 28px;
}
header,main,footer{position:relative;z-index:1}
a{color:inherit}
a:focus-visible,button:focus-visible,.btn:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.wrap{max-width:1160px;margin:0 auto;padding-left:32px;padding-right:32px}
img,svg{max-width:100%}

/* header + nav */
header{border-bottom:1px solid var(--rule);padding:16px 0;background:rgba(11,9,8,.82);
       -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);position:sticky;top:0;z-index:30}
.brand{display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand .id{display:flex;align-items:center;gap:10px;flex-wrap:wrap;text-decoration:none}
.brand .mark{width:26px;height:26px;flex:none}
.brand b{font-family:var(--display);font-size:15.5px;font-weight:700;letter-spacing:-.01em;color:var(--text)}
nav.mainnav{display:flex;align-items:center;gap:6px;flex:1;justify-content:center}
nav.mainnav>a{font-size:14.5px;font-weight:600;text-decoration:none;color:var(--text);padding:9px 12px;border-radius:6px}
nav.mainnav>a:hover{color:var(--accent-dark)}
.navdrop{position:relative}
.navdrop summary{list-style:none;cursor:pointer;font-size:14.5px;font-weight:600;color:var(--text);
                 padding:9px 12px;border-radius:6px;display:flex;align-items:center;gap:5px;-webkit-user-select:none;user-select:none}
.navdrop summary::-webkit-details-marker{display:none}
.navdrop summary::after{content:'';width:6px;height:6px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;
                         transform:rotate(45deg);margin-top:-3px;opacity:.6}
.navdrop:hover summary,.navdrop[open] summary{color:var(--accent-dark)}
.navdrop .dropmenu{position:absolute;top:calc(100% + 8px);left:50%;transform:translateX(-50%);
                    background:var(--surface);border:1px solid var(--rule);border-radius:14px;padding:10px;
                    box-shadow:0 24px 60px rgba(0,0,0,.55),0 0 0 1px rgba(244,237,226,.03);width:min(760px,92vw);z-index:40;
                    display:grid;grid-template-columns:repeat(3,1fr);gap:2px}
.navdrop .dropmenu a{display:flex;flex-direction:column;align-items:flex-start;gap:14px;
                      padding:18px 16px;border-radius:10px;
                      font-size:13px;line-height:1.25;font-weight:700;text-decoration:none;color:var(--text)}
.navdrop .dropmenu a:hover{background:var(--surface2);color:var(--accent-dark)}
.navdrop .dropmenu a svg{width:30px;height:30px;flex:none;stroke:var(--accent);fill:none;
                          stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}
.navdrop .dropmenu a:hover svg{stroke:var(--accent-dark)}

/* services grid (homepage + listings) */
.grid-services{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media (max-width:980px){.grid-services{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.grid-services{grid-template-columns:1fr}}
@media (min-width:769px){
  .navdrop[open]:not(:hover) .dropmenu{animation:none}
}
.navcta{flex:none}

/* mobile nav: details-based collapse, zero JS */
.mobilenav{display:none}
@media (max-width:980px){
  nav.mainnav{display:none}
  .btn.navcta{display:none}
  .mobilenav{display:block;order:3}
  .brand{flex-wrap:wrap}
  .mobilenav summary{list-style:none;cursor:pointer;width:38px;height:38px;display:grid;place-items:center;
                      border:1.5px solid var(--rule);border-radius:8px;font-size:18px;-webkit-user-select:none;user-select:none;color:var(--text)}
  .mobilenav summary::-webkit-details-marker{display:none}
  .mobilenav[open] summary{border-color:var(--accent);color:var(--accent-dark)}
  .mnav-panel{position:absolute;left:0;right:0;top:100%;background:var(--surface);border-bottom:1px solid var(--rule);
              padding:10px 20px 18px;display:grid;gap:2px;box-shadow:0 24px 50px rgba(0,0,0,.55)}
  .mnav-panel a{padding:11px 4px;font-size:15px;font-weight:600;text-decoration:none;color:var(--text);
                border-bottom:1px solid var(--rule)}
  .mnav-panel a:last-child{border-bottom:none}
  .mnav-group{margin-top:10px;padding:12px 4px 8px;border-top:2px solid var(--accent);
              font-family:var(--mono);font-size:11.5px;font-weight:700;text-transform:uppercase;
              letter-spacing:.08em;color:var(--accent-dark)}
  .mnav-panel a:first-child{border-top:none}
  .mnav-group:first-of-type{margin-top:0}
}

/* boutons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:4px;
     font-size:14.5px;font-weight:700;font-family:var(--sans);border:1.5px solid var(--rule-strong);
     color:var(--text);text-decoration:none;white-space:nowrap;
     transition:background .15s,color .15s,border-color .15s,transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-1px);border-color:var(--text)}
.btn.p{background:linear-gradient(180deg,var(--accent),var(--accent-deep));color:#fff;border-color:var(--accent-deep);
       box-shadow:0 10px 26px -8px rgba(230,71,44,.55)}
.btn.p:hover{background:linear-gradient(180deg,var(--accent-dark),var(--accent));border-color:var(--accent-dark);
             box-shadow:0 14px 34px -8px rgba(230,71,44,.7)}
.btn.sm{padding:9px 15px;font-size:13.5px}
@media (prefers-reduced-motion:reduce){.btn,.btn:hover{transform:none}}

/* hero */
.hero{background:var(--void);color:var(--text);overflow:hidden;position:relative}
.hero::before{content:'';position:absolute;top:-10%;right:-8%;width:60%;height:140%;pointer-events:none;z-index:0;
  background:radial-gradient(closest-side,rgba(230,71,44,.14),transparent 70%),
             radial-gradient(closest-side,rgba(95,224,214,.06),transparent 72%)}
.hero::after,.page-hero::after{
  content:'';position:absolute;left:-10%;right:-10%;top:0;height:2px;z-index:0;pointer-events:none;
  background:linear-gradient(90deg,transparent,var(--spark) 45%,var(--spark) 55%,transparent);
  box-shadow:0 0 22px 2px rgba(95,224,214,.4);
  animation:sweep 9s cubic-bezier(.4,0,.2,1) infinite;
}
@keyframes sweep{
  0%{top:-4%;opacity:0} 6%{opacity:.9} 50%{top:104%;opacity:.9} 58%{opacity:0} 100%{top:104%;opacity:0}
}
@media (prefers-reduced-motion:reduce){.hero::after,.page-hero::after{display:none}}
.hero .wrap{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;
           padding-top:88px;padding-bottom:84px}
.hero-grid>*{min-width:0}
.hero-solo{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;
           padding-top:104px;padding-bottom:96px;position:relative;z-index:1}
.hero-copy{max-width:560px;min-width:0}

/* terminal décoratif du hero — pur CSS, contenu illustratif, pas une capture réelle */
.term{background:var(--surface);border:1px solid var(--rule);border-radius:10px;overflow:hidden;
      box-shadow:0 30px 70px -26px rgba(0,0,0,.6);min-width:0}
.term-bar{display:flex;align-items:center;gap:7px;padding:12px 16px;border-bottom:1px solid var(--rule);background:var(--surface2)}
.term-bar .dot{width:9px;height:9px;border-radius:50%;flex:none}
.term-bar .d1{background:var(--accent)}
.term-bar .d2{background:var(--dim)}
.term-bar .d3{background:var(--spark)}
.term-title{margin-left:6px;color:var(--dim);font-family:var(--mono);font-size:11.5px;letter-spacing:.02em}
.term-body{padding:22px 22px 26px;display:grid;gap:10px;font-family:var(--mono);font-size:13.5px;line-height:1.5}
.tl{margin:0;color:var(--dim);white-space:nowrap;overflow:hidden;width:0;
    animation:typeline .5s steps(var(--n),end) forwards}
.tl .p{color:var(--spark);margin-right:3px}
.tl.warn{color:var(--accent-dark)}
.tl.ok{color:var(--spark)}
.tl.root{color:var(--paper);font-weight:600}
.cursor{display:inline-block;width:7px;height:14px;margin-left:2px;vertical-align:-2px;
        background:var(--paper);animation:blink 1s step-end infinite}
@keyframes typeline{from{width:0}to{width:var(--w)}}
@keyframes blink{0%,49%{opacity:1}50%,100%{opacity:0}}
@media (prefers-reduced-motion:reduce){
  .tl{width:var(--w);animation:none}
  .cursor{animation:none}
}
@media (max-width:520px){.term-body{font-size:12px}}
.tag{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12px;
     letter-spacing:.08em;color:var(--dim);border:1px solid var(--rule);
     border-radius:20px;padding:6px 14px 6px 10px;margin-bottom:28px}
.tag i{width:6px;height:6px;border-radius:50%;background:var(--accent);flex:none;
       animation:pulse 2.4s ease-out infinite}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(230,71,44,.45)}
  70%{box-shadow:0 0 0 9px rgba(230,71,44,0)}
  100%{box-shadow:0 0 0 0 rgba(230,71,44,0)}
}
@media (prefers-reduced-motion:reduce){.tag i{animation:none}}
h1{font-family:var(--display);font-size:clamp(34px,4.6vw,60px);line-height:1.08;letter-spacing:-.01em;
   margin:0 0 26px;font-weight:700;text-transform:uppercase;color:var(--text)}
h1 em{font-style:normal;color:var(--accent)}
.lede{font-size:19px;color:var(--dim);margin:0 0 34px;max-width:52ch;line-height:1.6}
.lede strong{color:var(--text);font-weight:700}
.cta{display:flex;gap:12px;flex-wrap:wrap}
.hero-viz{display:flex;align-items:center;justify-content:center;min-width:0;overflow:hidden}
.hero-viz svg{display:block;width:100%;height:auto;max-width:400px}
.node{fill:none;stroke:rgba(244,237,226,.32);stroke-width:1.4}
.link{stroke:rgba(244,237,226,.14);stroke-width:1}
.hot{fill:var(--accent);stroke:none}
.ring{fill:none;stroke:var(--spark);stroke-width:1.2;stroke-dasharray:3 4;opacity:.85;
      transform-origin:center;animation:spin 26s linear infinite}
@media (prefers-reduced-motion:reduce){.ring{animation:none}}
@keyframes spin{to{transform:rotate(360deg)}}

/* entrance animations — pure CSS, no JS (site reste zero-script par design) */
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
.hero-solo h1{animation:fadeUp .6s cubic-bezier(.2,.7,.3,1) both}
.hero-solo .lede{animation:fadeUp .6s cubic-bezier(.2,.7,.3,1) .1s both}
.hero-solo .cta{animation:fadeUp .6s cubic-bezier(.2,.7,.3,1) .2s both}
.page-hero-grid .crumb{animation:fadeUp .5s cubic-bezier(.2,.7,.3,1) both}
.page-hero-grid h1{animation:fadeUp .5s cubic-bezier(.2,.7,.3,1) .08s both}
.page-hero-grid .lede{animation:fadeUp .5s cubic-bezier(.2,.7,.3,1) .16s both}
@media (prefers-reduced-motion:reduce){
  .hero-solo h1,.hero-solo .lede,.hero-solo .cta,
  .page-hero-grid .crumb,.page-hero-grid h1,.page-hero-grid .lede{animation:none}
}

/* card hover polish — le cyan sert de surbrillance rare, le rouge reste réservé au signal */
.flat-card{transition:background .15s,border-color .15s,transform .15s,box-shadow .15s}
.flat-card:hover{transform:translateY(-2px);box-shadow:0 0 0 1px var(--spark) inset,0 18px 40px -18px rgba(95,224,214,.35)}
.principle .ph{transition:transform .15s,box-shadow .15s}
.principle:hover .ph{transform:translateY(-2px);box-shadow:0 0 0 1px var(--spark) inset,0 14px 30px -16px rgba(95,224,214,.3)}
.case{transition:transform .15s,box-shadow .15s,border-color .15s}
.case:hover{transform:translateY(-3px);border-color:var(--accent);box-shadow:0 18px 40px -16px rgba(230,71,44,.4)}
.plan{transition:transform .15s,box-shadow .15s,border-color .15s}
.plan:hover{transform:translateY(-2px);border-color:var(--spark);box-shadow:0 16px 34px -18px rgba(95,224,214,.32)}
.card{transition:border-color .15s,box-shadow .15s,transform .15s}
.card:hover{transform:translateY(-2px);border-color:var(--spark);box-shadow:0 16px 34px -18px rgba(95,224,214,.3)}
@media (prefers-reduced-motion:reduce){
  .flat-card,.principle .ph,.case,.plan,.card{transition:none}
  .flat-card:hover,.principle:hover .ph,.case:hover,.plan:hover,.card:hover{transform:none}
}

/* page-hero (sous-pages : services, à propos, contact) */
.page-hero{background:var(--surface2);border-bottom:1px solid var(--rule);position:relative;overflow:hidden;
           clip-path:polygon(0 0,100% 0,100% 100%,0 calc(100% - 34px))}
.page-hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center;
                 padding-top:64px;padding-bottom:78px;position:relative;z-index:1}
.page-hero-grid>*{min-width:0}
.crumb{font-family:var(--mono);font-size:12.5px;color:var(--dim);text-decoration:none;
       display:inline-flex;align-items:center;gap:6px;margin-bottom:20px}
.crumb:hover{color:var(--accent-dark)}
.page-hero h1{margin-bottom:18px}
.page-hero .lede{margin-bottom:0}
.deco{position:absolute;inset:0;pointer-events:none;opacity:.5;overflow:hidden}
.deco svg{position:absolute;top:50%;right:-60px;transform:translateY(-50%);width:520px;max-width:60vw;height:auto}
@media (max-width:980px){.deco svg{width:360px;right:-100px;opacity:.7}}

/* sections */
main{background:var(--void)}
section{border-bottom:1px solid var(--rule)}
section.wrap{padding-top:112px;padding-bottom:112px}
section:last-of-type{border-bottom:none}
.eyebrow{font-family:var(--mono);font-size:13.5px;text-transform:uppercase;letter-spacing:.12em;
   color:var(--spark);font-weight:600;margin:0 0 22px}
h2{font-family:var(--display);font-size:clamp(23px,3vw,32px);line-height:1.18;letter-spacing:-.005em;
   font-weight:700;margin:0 0 16px;max-width:22ch;color:var(--text)}
.lead-p{font-size:17px;color:var(--dim);max-width:60ch;margin:0 0 44px}

/* services grid */
.grid4{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}

/* block header + intro deux colonnes (accueil) */
.block-header{display:inline-block;background:var(--surface2);padding:16px;margin:0 0 36px;
              box-shadow:0 0 44px -14px rgba(230,71,44,.3)}
.block-header h2{margin:0;font-family:var(--display);font-weight:700;font-size:clamp(28px,4vw,44px);
                  line-height:1.05;letter-spacing:0;color:var(--text);text-transform:uppercase;max-width:none}
.twocol{display:grid;grid-template-columns:1fr 1fr;gap:44px;margin-bottom:48px}
.twocol p{margin:0;font-size:17px;line-height:1.6}
.twocol .lead{font-weight:700;color:var(--text);font-size:19px}
.twocol .body{color:var(--dim)}

/* grille icône+titre plate ("OUR CRAFT") */
.grid-flat{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:var(--void);margin-bottom:8px}
.flat-card{background:var(--surface2);padding:36px 30px;display:flex;flex-direction:column;
           align-items:flex-start;gap:24px;min-height:168px;
           text-decoration:none;color:inherit;border:1px solid transparent}
.flat-card:hover{background:var(--surface)}
.flat-card .ic{width:52px;height:52px;flex:none;color:var(--accent);transition:transform .2s ease}
.flat-card .ic svg{width:52px;height:52px;fill:none;stroke:currentColor;stroke-width:1.4;
                    stroke-linecap:round;stroke-linejoin:round}
.flat-card:hover .ic{transform:scale(1.08) rotate(-2deg);color:var(--accent-dark)}
@media (prefers-reduced-motion:reduce){.flat-card:hover .ic{transform:none}}
.flat-card h3{margin:0;font-size:16.5px;font-weight:700;letter-spacing:-.005em;line-height:1.25;
              text-transform:uppercase;font-family:var(--display);color:var(--text)}

/* section décorative à trace PCB (Différence / philosophie) */
.block-section{position:relative;overflow:hidden}
.block-section .deco{position:absolute;inset:0;pointer-events:none;opacity:.45;overflow:hidden}
.block-section .deco svg{position:absolute;top:50%;right:-40px;transform:translateY(-50%);width:340px;max-width:40vw;height:auto}
.block-section .content{position:relative;z-index:1;max-width:680px}
.block-section .twocol .body b{color:var(--text)}
.block-section .content p.body{margin:0 0 20px;font-size:17px;line-height:1.65;color:var(--dim)}
.block-section .content p.tagline{margin:28px 0 0;font-size:19px;font-weight:700;color:var(--text);
                                   line-height:1.5;text-decoration:underline;text-decoration-color:var(--rule-strong);
                                   text-underline-offset:6px}

@media (max-width:980px){
  .grid-flat{grid-template-columns:repeat(2,1fr)}
  .twocol{grid-template-columns:1fr;gap:20px}
}
@media (max-width:560px){
  .grid-flat{grid-template-columns:1fr}
}

.sub{font-family:var(--display);font-size:19px;font-weight:700;letter-spacing:-.005em;
     margin:56px 0 12px;padding-top:40px;border-top:1px solid var(--rule);color:var(--text)}
.sub-lead{font-size:15.5px;margin-bottom:28px;color:var(--dim)}

/* plans */
.plans{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.plan{position:relative;border:1px solid var(--rule);border-radius:10px;padding:30px;background:var(--surface)}
.plan-badge{position:absolute;top:-13px;left:28px;background:var(--accent);color:#fff;
            font-family:var(--mono);font-size:11.5px;font-weight:700;letter-spacing:.05em;
            border-radius:20px;padding:4px 12px}
.plan h3{margin:0 0 10px;font-size:20px;font-weight:700;letter-spacing:-.01em;color:var(--text)}
.plan .plan-tag{margin:0 0 22px;font-size:15px;color:var(--dim);line-height:1.5;min-height:2.4em}
.plans-cta{margin-top:32px;padding-top:32px;border-top:1px solid var(--rule);
           display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.plans-cta p{margin:0;font-size:15.5px;color:var(--dim);max-width:46ch}
.plan ul{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.plan li{font-size:15px;color:var(--text);line-height:1.5;padding-left:24px;position:relative}
.plan li::before{content:'✓';position:absolute;left:0;color:var(--accent-dark);font-weight:700}
.plan li.plan-all{padding-left:0;font-weight:700;color:var(--dim);font-size:13px;
                   text-transform:uppercase;letter-spacing:.04em;font-family:var(--mono)}
.plan li.plan-all::before{content:none}
.card{background:var(--surface);border:1px solid var(--rule);border-radius:10px;padding:28px;
      text-decoration:none;color:inherit;display:block}
.card .ic{width:56px;height:56px;margin-bottom:20px;color:var(--accent)}
.card .ic svg{width:56px;height:56px;fill:none;stroke:currentColor;stroke-width:1.5;
              stroke-linecap:round;stroke-linejoin:round}
.card h3{margin:0 0 8px;font-size:17.5px;font-weight:700;letter-spacing:-.01em;color:var(--text)}
.card p{margin:0;font-size:15px;color:var(--dim);line-height:1.6}
.card .more{display:inline-block;margin-top:14px;font-size:13.5px;font-weight:700;color:var(--accent-dark)}

/* différenciation */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.diff b.n{display:block;font-family:var(--mono);color:var(--spark);font-size:13px;
          letter-spacing:.06em;margin-bottom:14px}
.diff h3{margin:0 0 10px;font-size:19px;font-weight:700;letter-spacing:-.01em;color:var(--text)}
.diff p{margin:0;font-size:15.5px;color:var(--dim);line-height:1.6}

/* principes — en-têtes de bloc à pastille (OUR PRINCIPLES / WHAT WE OFFER) */
.principles{display:grid;grid-template-columns:repeat(2,1fr);gap:44px 36px}
.principle{position:relative}
.principle .tag-eyebrow{display:block;font-family:var(--mono);font-size:12px;letter-spacing:.06em;
                         color:var(--accent-dark);margin-bottom:10px}
.principle .ph{position:relative;background:var(--surface2);padding:20px 26px;margin:0 0 16px;
               border:1px solid transparent;box-shadow:0 0 34px -18px rgba(230,71,44,.28)}
.principle .ph h3{margin:0;font-family:var(--display);font-weight:700;letter-spacing:0;
                   font-size:clamp(18px,2.2vw,22px);text-transform:uppercase;color:var(--text)}
.principle .ph .ring{position:absolute;top:-14px;right:-14px;width:28px;height:28px;border-radius:50%;
                      border:1.6px solid var(--accent);background:var(--void);display:grid;place-items:center}
.principle .ph .ring::after{content:'';width:5px;height:5px;border-radius:50%;background:var(--accent)}
.principle p{margin:0;font-size:15.5px;color:var(--dim);line-height:1.6;max-width:48ch}

/* checklist simple */
.checklist{list-style:none;margin:0;padding:0;display:grid;gap:16px;max-width:64ch}
.checklist li{position:relative;padding-left:30px;font-size:16px;color:var(--text);line-height:1.55}
.checklist li::before{content:'';position:absolute;left:0;top:5px;width:16px;height:16px;border-radius:4px;
                       background:var(--accent-tint);border:1px solid rgba(230,71,44,.45)}
.checklist li::after{content:'';position:absolute;left:5px;top:9px;width:7px;height:4px;
                      border-left:2px solid var(--accent-dark);border-bottom:2px solid var(--accent-dark);
                      transform:rotate(-45deg)}
@media (max-width:820px){.principles{grid-template-columns:1fr;gap:36px}}

.case{border:1px solid var(--rule);border-top:3px solid var(--accent);border-radius:10px;padding:26px;
      background:var(--surface);box-shadow:0 14px 34px -16px rgba(0,0,0,.5)}
.sev{display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:12.5px;font-weight:700;
     letter-spacing:.05em;color:var(--accent-dark);background:var(--accent-tint);border:1px solid rgba(230,71,44,.4);
     border-radius:20px;padding:5px 12px;margin-bottom:16px}
.sev::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--accent-dark);flex:none}
.case h3{margin:0 0 10px;font-size:17.5px;font-weight:700;letter-spacing:-.01em;line-height:1.3;color:var(--text)}
.case p{margin:0;font-size:15px;color:var(--dim);line-height:1.6}

/* taxonomie méthodologique (pages services) */
.taxo{display:grid;grid-template-columns:repeat(3,1fr);gap:28px 32px;margin-top:28px}
.taxo-group b{display:block;font-family:var(--mono);font-size:12.5px;text-transform:uppercase;
              letter-spacing:.06em;color:var(--accent-dark);margin-bottom:12px}
.taxo-group ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.taxo-group li{font-size:14.5px;color:var(--dim);line-height:1.4}

/* taxonomie — carousel : swipe tactile natif sur mobile, boutons + points sur souris (zéro JS) */
.taxo-carousel{position:relative;margin-top:32px}
.taxo-carousel .tcr{position:absolute;opacity:0;pointer-events:none}
.taxo-carousel .tviewport{position:relative;overflow-x:auto;overflow-y:hidden;scroll-snap-type:x mandatory;
  scroll-padding-left:2px;-webkit-overflow-scrolling:touch;scrollbar-width:none;-ms-overflow-style:none}
.taxo-carousel .tviewport::-webkit-scrollbar{display:none}
.taxo-carousel .tpanels{display:flex;align-items:flex-start;gap:20px;padding:2px}
.tpanel{scroll-snap-align:start;scroll-margin-left:2px;flex:0 0 260px;border:1px solid var(--rule);
        border-radius:10px;padding:24px;background:var(--surface2);box-shadow:0 14px 34px -18px rgba(0,0,0,.45)}
.tpanel b{display:block;font-family:var(--mono);font-size:13px;font-weight:700;letter-spacing:.06em;
          color:var(--accent-dark);text-transform:uppercase;margin-bottom:18px}
.tpanel .chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-block;padding:7px 12px;border-radius:20px;background:var(--surface);
      border:1px solid var(--rule);font-size:12.5px;color:var(--text);line-height:1.3}
.tarrows{display:none}
@media (max-width:520px){
  .tpanel{flex-basis:240px}
}

/* souris/trackpad : flèches flottantes EN DEHORS des cartes (état interne CSS, aucun saut d'ancre sur la page) */
@media (hover:hover) and (pointer:fine){
  .taxo-carousel .tviewport{overflow:hidden;scroll-snap-type:none}
  .taxo-carousel .tpanels{transition:transform .45s cubic-bezier(.25,.8,.25,1)}
  #u2:checked ~ .tviewport .tpanels{transform:translateX(calc(-1 * (260px + 20px)))}
  #u3:checked ~ .tviewport .tpanels{transform:translateX(calc(-2 * (260px + 20px)))}
  #u4:checked ~ .tviewport .tpanels{transform:translateX(calc(-3 * (260px + 20px)))}
  #u5:checked ~ .tviewport .tpanels{transform:translateX(calc(-4 * (260px + 20px)))}
  #u6:checked ~ .tviewport .tpanels{transform:translateX(calc(-5 * (260px + 20px)))}

  .tarrows{display:block;position:absolute;inset:0;pointer-events:none}
  .tarrow-pair{display:none;position:absolute;inset:0}
  .tarrow{position:absolute;top:50%;pointer-events:auto;
          display:grid;place-items:center;width:42px;height:42px;border-radius:50%;
          background:var(--surface);border:1.5px solid var(--rule-strong);color:var(--text);font-size:20px;line-height:1;
          cursor:pointer;box-shadow:0 10px 26px -6px rgba(0,0,0,.6);-webkit-user-select:none;user-select:none;
          transition:border-color .15s,color .15s,background .15s}
  .tarrow.prev{left:0;transform:translate(-50%,-50%)}
  .tarrow.next{right:0;transform:translate(50%,-50%)}
  .tarrow:hover{border-color:var(--accent);color:var(--accent-dark);background:var(--surface2)}
  .tarrow.off{opacity:0;visibility:hidden;cursor:default}
  #u1:checked ~ .tarrows .p1,#u2:checked ~ .tarrows .p2,
  #u3:checked ~ .tarrows .p3,#u4:checked ~ .tarrows .p4,
  #u5:checked ~ .tarrows .p5,#u6:checked ~ .tarrows .p6{display:block}
}

/* processus */
ol.steps{list-style:none;counter-reset:s;padding:0;margin:0;display:grid;gap:0}
ol.steps li{counter-increment:s;position:relative;padding:0 0 34px 60px;border-left:1px solid var(--rule);margin-left:19px}
ol.steps li:last-child{border-left-color:transparent;padding-bottom:0}
ol.steps li::before{
  content:counter(s,decimal-leading-zero);position:absolute;left:-20px;top:-2px;width:38px;height:38px;
  background:var(--accent);color:#fff;
  font-family:var(--mono);font-size:13px;font-weight:700;display:grid;place-items:center;border-radius:50%;
}
ol.steps b{display:block;font-weight:700;font-size:18px;margin-bottom:5px;letter-spacing:-.01em;color:var(--text)}
ol.steps span{color:var(--dim);font-size:15.5px;line-height:1.6;display:block;max-width:56ch}

/* note de méthode */
.note{border:1px solid var(--rule);border-radius:10px;padding:28px 30px;background:var(--surface)}
.note p{margin:0 0 12px;font-size:15.5px;color:var(--text);line-height:1.65}
.note p:last-child{margin:0}
.note strong{color:var(--text)}

/* bandeau CTA */
.ctaband{background:linear-gradient(135deg,var(--accent) 0%,var(--accent-deep) 100%);
         padding:80px 0;text-align:center;position:relative;overflow:hidden}
.ctaband::before{content:'';position:absolute;inset:0;pointer-events:none;opacity:.5;z-index:0;
  background:radial-gradient(520px 260px at 12% -10%,rgba(255,255,255,.14),transparent 60%),
             radial-gradient(420px 220px at 92% 110%,rgba(95,224,214,.14),transparent 60%)}
.ctaband .wrap{position:relative;z-index:1}
.ctaband h2{color:#fff;margin:0 auto 14px;max-width:20ch}
.ctaband p{color:#ffd9cd;font-size:19px;margin:0 auto 32px;max-width:44ch}
.ctaband .cta{justify-content:center}
.ctaband .btn.p{background:var(--void);color:#fff;border-color:var(--void)}
.ctaband .btn.p:hover{background:var(--surface);border-color:var(--surface)}

/* contact */
.contact{display:grid;grid-template-columns:repeat(2,1fr);gap:20px 40px;font-size:15.5px;max-width:640px}
.contact div{display:flex;flex-direction:column;gap:4px}
.contact .k{color:var(--dim);font-size:12px;font-family:var(--mono);text-transform:uppercase;letter-spacing:.08em}
.contact a{color:var(--text);font-weight:600;text-decoration:none;border-bottom:1px solid var(--rule)}
.contact a:hover{border-color:var(--accent)}

footer{background:var(--surface2);color:var(--dim);padding:64px 0 0;font-size:14px;
       border-top:3px solid var(--accent);position:relative}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px}
.foot-brand .id{display:flex;align-items:center;gap:10px;text-decoration:none;margin-bottom:14px}
.foot-brand .mark{width:24px;height:24px;flex:none}
.foot-brand b{font-family:var(--display);font-size:15.5px;font-weight:700;color:var(--text)}
.foot-brand p{margin:0;max-width:32ch;line-height:1.6;color:var(--dim)}
.foot-social{display:flex;gap:10px;margin-top:16px}
.foot-social a{display:flex;align-items:center;justify-content:center;width:34px;height:34px;
  border:1.5px solid var(--rule);border-radius:8px;color:var(--text);transition:border-color .15s,color .15s}
.foot-social a:hover{border-color:var(--accent);color:var(--accent-dark)}
.foot-social svg{width:16px;height:16px;fill:currentColor}
.foot-h{display:block;font-family:var(--mono);font-size:11.5px;text-transform:uppercase;letter-spacing:.06em;
        color:var(--spark);margin-bottom:14px;font-weight:700}
.foot-col{display:flex;flex-direction:column;gap:10px;min-width:0}
.foot-col a{color:var(--text);text-decoration:none}
.foot-col a:hover{color:var(--accent-dark)}
.foot-plain{color:var(--dim)}
.foot-bottom{border-top:1px solid var(--rule);padding:20px 0;font-size:13px;color:var(--dim);
             display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
@media (max-width:820px){.foot-grid{grid-template-columns:1fr 1fr;gap:32px 24px}}
@media (max-width:520px){.foot-grid{grid-template-columns:1fr}footer{padding-top:48px}}

@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;padding-top:56px;padding-bottom:48px}
  .hero-solo{grid-template-columns:1fr;gap:36px;padding-top:56px;padding-bottom:48px}
  .hero-viz{margin-top:36px}
  .hero-viz svg{max-width:340px}
  .page-hero-grid{grid-template-columns:1fr;padding-top:44px;padding-bottom:52px}
  .page-hero{clip-path:polygon(0 0,100% 0,100% 100%,0 calc(100% - 20px))}
  .grid4{grid-template-columns:1fr}
  .grid3{grid-template-columns:1fr;gap:36px}
  .taxo{grid-template-columns:1fr 1fr}
  .case{flex-basis:280px}
  #r2:checked ~ .viewport .cases{transform:translateX(calc(-1 * (280px + 20px)))}
  #r3:checked ~ .viewport .cases{transform:translateX(calc(-2 * (280px + 20px)))}
  #r4:checked ~ .viewport .cases{transform:translateX(calc(-3 * (280px + 20px)))}
  #r5:checked ~ .viewport .cases{transform:translateX(calc(-4 * (280px + 20px)))}
  #r6:checked ~ .viewport .cases{transform:translateX(calc(-5 * (280px + 20px)))}
  .plans{grid-template-columns:1fr}
  section.wrap{padding-top:72px;padding-bottom:72px}
}
@media (max-width:520px){
  .wrap{padding-left:20px;padding-right:20px}
  body{font-size:17px}
  h1{font-size:clamp(30px,8vw,40px)}
  h2{font-size:clamp(24px,6.5vw,28px)}
  .eyebrow{font-size:13px}
  .lede{font-size:17.5px}
  .lead-p{font-size:16.5px}
  .btn{padding:13px 18px;font-size:15px}
  .contact{grid-template-columns:1fr}
  .taxo{grid-template-columns:1fr}
  section.wrap{padding-top:56px;padding-bottom:56px}
  .eyebrow{margin-bottom:16px}
  .hero-viz{margin-top:28px}
  .hero-viz svg{max-width:260px}
}