/* bianchisala.fr — feuille de style unique */
/* Inter variable, sous-ensemble latin, auto-hébergé (aucune ressource externe) */
@font-face{font-family:Inter;font-style:normal;font-weight:400 700;font-display:swap;src:url(/assets/fonts/inter-var-latin.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

:root{--paper:#f3f0e8;--ink:#111419;--muted:#5f625d;--line:#cbc8bd;--blue:#1549ff;--acid:#d9ff53;--white:#fff;--dark:#0c1117;--shell:min(1280px,calc(100vw - 48px));--radius:26px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
:focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:4px}
.shell{width:var(--shell);margin-inline:auto}
.skip-link{position:fixed;left:16px;top:-80px;z-index:999;background:var(--ink);color:#fff;padding:12px 18px}
.skip-link:focus{top:16px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--paper) 92%,transparent);backdrop-filter:blur(18px);border-bottom:1px solid transparent;transition:.25s}
.site-header.is-scrolled{border-color:var(--line)}
.header-inner{height:88px;display:flex;align-items:center;gap:38px}
.brand{display:flex;align-items:center;gap:11px;margin-right:auto}
.brand-mark{display:flex;align-items:center;justify-content:center;width:46px;height:46px;border:1px solid var(--ink);border-radius:50%;font-size:14px;font-weight:600;letter-spacing:-.06em;line-height:1;flex:none}
.brand-mark span{color:var(--blue)}
.brand-name{font-size:13px;line-height:1.05;font-weight:500;letter-spacing:-.02em}
.desktop-nav{display:flex;gap:31px;font-size:14px;font-weight:500}
.desktop-nav a,.site-footer a{transition:color .2s}
.desktop-nav a:hover,.site-footer a:hover{color:var(--blue)}
.desktop-nav a[aria-current=page]{color:var(--blue)}
.header-cta,.button{display:inline-flex;align-items:center;justify-content:center;gap:22px;border-radius:999px;background:var(--ink);color:#fff;padding:14px 22px;font-weight:500;font-size:14px;border:1px solid var(--ink);transition:transform .2s,background .2s}
.header-cta:hover,.button:hover{transform:translateY(-2px);background:var(--blue);border-color:var(--blue)}
.button-light{background:#fff;color:var(--ink);border-color:#fff}
.menu-toggle,.mobile-nav{display:none}
.eyebrow{text-transform:uppercase;letter-spacing:.16em;font-size:12px;font-weight:600;color:var(--blue);margin:0 0 18px}

/* Hero */
.hero{display:grid;grid-template-columns:1.04fr .96fr;align-items:center;gap:64px;padding-block:80px 110px}
.hero-copy{max-width:720px}
.hero h1,.page-intro h1,.case-hero h1{font-size:clamp(52px,6.6vw,96px);line-height:.93;letter-spacing:-.06em;margin:0;font-weight:600}
.hero h1 em,.page-intro h1 em{font-style:normal;color:var(--blue)}
.hero-lead,.lead{font-size:clamp(19px,1.9vw,24px);line-height:1.45;color:var(--muted);max-width:720px;margin:30px 0}
.action-row{display:flex;align-items:center;gap:28px;flex-wrap:wrap}
.text-link{display:inline-flex;align-items:center;gap:10px;font-weight:600;font-size:14px;border-bottom:1px solid var(--ink);padding-bottom:5px}
.text-link span{color:var(--blue)}

/* Panneau de preuve du hero */
.proof-panel{border:1px solid var(--ink);border-radius:var(--radius);background:#fff;overflow:hidden;box-shadow:0 24px 60px rgba(17,20,25,.11)}
.proof-head{display:flex;justify-content:space-between;align-items:baseline;gap:16px;padding:22px 26px;border-bottom:1px solid var(--ink);background:var(--ink);color:#fff}
.proof-head b{font-size:12px;text-transform:uppercase;letter-spacing:.14em;font-weight:600;color:var(--acid)}
.proof-head span{font-size:12px;color:#9aa1a9;letter-spacing:.04em}
.proof-panel a{display:grid;grid-template-columns:1fr auto;align-items:center;gap:14px;padding:20px 26px;border-bottom:1px solid var(--line);transition:background .2s}
.proof-panel a:last-child{border-bottom:0}
.proof-panel a:hover,.proof-panel a:focus-visible{background:#f7f5ee}
.proof-panel strong{display:block;font-size:20px;letter-spacing:-.03em;line-height:1.2}
.proof-panel small{display:block;margin-top:5px;font-size:13px;color:var(--muted)}
.proof-panel em{font-style:normal;font-size:20px;color:var(--blue);transition:transform .2s}
.proof-panel a:hover em{transform:translateX(4px)}

/* Déclaration */
.statement{padding-block:130px;border-bottom:1px solid var(--line)}
.statement h2{font-size:clamp(38px,5.4vw,72px);line-height:1.05;letter-spacing:-.05em;margin:0;max-width:1120px}
.statement h2 span{color:var(--blue)}

/* Sections génériques */
.featured,.project-list,.capabilities{padding-block:120px}
.section-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:55px;gap:30px}
.section-heading h2,.under-hood h2,.cta-band h2,.case-summary h2,.case-dark h2,.case-nav h2{font-size:clamp(36px,4.6vw,64px);line-height:1.03;letter-spacing:-.05em;margin:0;max-width:900px}

/* Cartes projet */
.project-card{display:grid;grid-template-columns:1.22fr .78fr;gap:56px;align-items:center;padding-block:56px;border-top:1px solid var(--line)}
.project-card:last-child{border-bottom:1px solid var(--line)}
.project-visual{position:relative;overflow:hidden;border-radius:var(--radius);background:#e2ded3;border:1px solid var(--line);line-height:0}
.project-visual img{width:100%;height:auto;transition:transform .55s cubic-bezier(.2,.7,.1,1)}
.project-card:hover .project-visual img{transform:scale(1.025)}
.project-index{position:absolute;top:18px;left:18px;border-radius:99px;background:var(--paper);border:1px solid var(--ink);padding:7px 13px;font-weight:600;font-size:12px}
.project-copy h2,.project-copy h3{font-size:clamp(32px,3.6vw,50px);line-height:1;letter-spacing:-.05em;margin:0 0 18px}
.project-copy>p:not(.eyebrow){color:var(--muted);font-size:18px;margin:0 0 22px}
.project-facts{list-style:none;margin:0 0 26px;padding:0;border-top:1px solid var(--line)}
.project-facts li{padding:9px 0;border-bottom:1px solid var(--line);font-size:14px;font-weight:500;display:flex;gap:12px}
.project-facts li::before{content:"";width:6px;height:6px;margin-top:8px;border-radius:50%;background:var(--blue);flex:none}

/* Capacités (bloc sombre) */
.capabilities{background:var(--ink);color:#fff;width:100%;max-width:none;padding-inline:max(24px,calc((100vw - 1280px)/2))}
.capabilities .eyebrow{color:var(--acid)}
.cap-grid{display:grid;grid-template-columns:repeat(2,1fr)}
.cap-grid a{position:relative;padding:38px 60px 45px 0;border-top:1px solid #3b4148;min-height:210px;transition:background .2s}
.cap-grid a:nth-child(odd){border-right:1px solid #3b4148}
.cap-grid a:nth-child(even){padding-left:38px}
.cap-grid a:hover,.cap-grid a:focus-visible{background:#171c23}
.cap-grid a::after{content:"↗";position:absolute;right:26px;top:38px;color:var(--acid);font-size:18px;transition:transform .2s}
.cap-grid a:hover::after{transform:translate(3px,-3px)}
.cap-grid span,.principles span{color:var(--acid);font-weight:600;font-size:12px}
.cap-grid h3{font-size:30px;margin:18px 0 9px;letter-spacing:-.035em}
.cap-grid p{color:#aeb4bb;max-width:460px;margin:0}

/* Sous le capot */
.under-hood{margin-block:120px;padding:80px;background:var(--blue);color:#fff;border-radius:var(--radius);display:grid;grid-template-columns:1fr .92fr;gap:70px;align-items:start}
.under-hood .eyebrow{color:var(--acid)}
.under-hood p:not(.eyebrow){color:#d8e0ff;max-width:620px}
.under-hood .text-link{border-color:#fff}
.pipeline{list-style:none;margin:0;padding:0;border-top:1px solid #7692ff}
.pipeline li{display:grid;grid-template-columns:34px 1fr;gap:18px;padding:16px 0;border-bottom:1px solid #7692ff}
.pipeline b{color:var(--acid);font-size:13px;padding-top:3px}
.pipeline strong{display:block;font-weight:500;letter-spacing:-.01em}
.pipeline span{display:block;font-size:14px;color:#d8e0ff;margin-top:3px}

/* Bande CTA */
.cta-band{margin-block:110px;background:var(--paper);color:var(--ink);border:1px solid var(--ink);border-radius:var(--radius);padding:64px 70px;display:flex;justify-content:space-between;align-items:end;gap:40px}
.cta-band p:not(.eyebrow){color:var(--muted);max-width:640px;margin-bottom:0}

/* Intro de page */
.page-intro{padding-block:110px 80px;border-bottom:1px solid var(--line)}
.page-intro h1{max-width:1120px}
.page-intro+.action-row{margin-top:48px}
.project-list{padding-top:30px}

/* Études de cas */
.case-hero{display:grid;grid-template-columns:.82fr 1.18fr;gap:70px;align-items:center;padding-block:100px}
.case-hero h1{margin-bottom:25px}
.case-hero img{border-radius:var(--radius);border:1px solid var(--line);box-shadow:0 20px 60px rgba(20,24,30,.13)}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin:25px 0}
.tag-row span{border:1px solid var(--line);border-radius:99px;padding:7px 11px;font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:.08em}
.case-summary{display:grid;grid-template-columns:1.1fr .9fr;gap:90px;padding-block:110px;border-top:1px solid var(--line)}
.case-summary>p{font-size:21px;color:var(--muted);margin-top:35px}
.feature-matrix{padding-bottom:110px}
.matrix{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}
.matrix article{padding:34px 30px 35px 0;border-bottom:1px solid var(--line)}
.matrix article:not(:nth-child(3n)){border-right:1px solid var(--line)}
.matrix article:nth-child(3n+2),.matrix article:nth-child(3n+3){padding-left:30px}
.matrix span,.solution-list>article>span{color:var(--blue);font-weight:600;font-size:12px}
.matrix h3{font-size:23px;margin:24px 0 8px}
.matrix p{color:var(--muted);margin:0}
.case-dark{background:var(--dark);color:#fff;padding:76px 80px;border-radius:var(--radius);margin-bottom:110px}
.case-dark .eyebrow{color:var(--acid)}
.case-dark p:not(.eyebrow){color:#abb2ba;max-width:850px}
.case-dark .text-link{border-color:#fff;margin-top:26px}

/* Chiffres vérifiables */
.numbers{display:grid;grid-template-columns:repeat(3,1fr);padding-bottom:110px}
.numbers div{border-left:1px solid var(--line);padding:10px 40px}
.numbers strong{display:block;font-size:66px;line-height:1;color:var(--blue);letter-spacing:-.06em}
.numbers span{display:block;color:var(--muted);margin-top:15px}
.numbers small{display:block;margin-top:10px;font-size:12px;color:var(--muted);opacity:.85}

/* Avant / après */
.split{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line);padding-bottom:110px}
.split>div{padding:34px 34px 38px 0;border-bottom:1px solid var(--line)}
.split>div+div{border-left:1px solid var(--line);padding:34px 0 38px 34px}
.split h3{margin:0 0 16px;font-size:22px;letter-spacing:-.03em}
.split ul{margin:0;padding:0;list-style:none}
.split li{padding:10px 0;border-bottom:1px solid var(--line);color:var(--muted);font-size:16px}
.split li:last-child{border-bottom:0}

/* Paires de captures */
.shots{padding-bottom:110px}
.shots-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:34px}
.shots figure{margin:0}
.shots img{border-radius:16px;border:1px solid var(--line);box-shadow:0 14px 40px rgba(20,24,30,.1)}
.shots figcaption{margin-top:16px;font-size:14px;color:var(--muted)}
.shots figcaption b{display:block;color:var(--ink);font-size:15px;margin-bottom:3px}

/* Écosystème CB06 */
.ecosystem{position:relative;min-height:500px;margin-bottom:110px;border:1px solid var(--line);border-radius:var(--radius);display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);overflow:hidden}
.ecosystem>div{background:var(--paper);display:flex;flex-direction:column;justify-content:center;align-items:center;font-size:26px;font-weight:600;text-align:center;padding:20px}
.ecosystem small{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;font-weight:500}
.ecosystem .eco-core{position:absolute;z-index:3;inset:35%;border-radius:50%;background:var(--blue);color:#fff}
.ecosystem .eco-core small{color:#cdd7ff}

/* Navigation d'étude de cas */
.case-nav{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;padding-bottom:120px}
.case-nav a{display:block;padding:38px 40px;border:1px solid var(--line);border-radius:var(--radius);transition:border-color .2s,transform .2s}
.case-nav a:hover{border-color:var(--ink);transform:translateY(-3px)}
.case-nav p{margin:0 0 12px}
.case-nav h2{font-size:32px;letter-spacing:-.04em}
.case-nav small{display:block;margin-top:12px;color:var(--muted);font-size:15px}

/* Solutions */
.solution-list{padding-block:40px 120px}
.solution-list>article{display:grid;grid-template-columns:100px 1fr;padding:70px 0;border-bottom:1px solid var(--line);scroll-margin-top:110px}
.solution-list h2{font-size:clamp(36px,4.6vw,58px);line-height:1;margin:0 0 20px;letter-spacing:-.05em}
.solution-list p{font-size:20px;color:var(--muted);max-width:790px}
.solution-list ul{columns:2;list-style:none;padding:0;max-width:850px}
.solution-list li{padding:8px 0;border-bottom:1px solid var(--line);font-weight:500}
.solution-proof{margin-top:26px}

/* Lab */
.lab-lead{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;padding-block:60px 70px;border-bottom:1px solid var(--line)}
.lab-lead h2{font-size:clamp(40px,4.6vw,60px);line-height:1;letter-spacing:-.05em;margin:0 0 20px}
.lab-lead p{color:var(--muted);font-size:19px;margin:0 0 24px}
.lab-spec{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.lab-spec li{display:grid;grid-template-columns:.42fr 1fr;gap:20px;padding:14px 0;border-bottom:1px solid var(--line);font-size:14px}
.lab-spec b{text-transform:uppercase;letter-spacing:.1em;font-size:11px;color:var(--muted);font-weight:600;padding-top:2px}
.lab-list{list-style:none;margin-inline:auto;margin-block:0;padding:0 0 110px}
.lab-list li{display:grid;grid-template-columns:.34fr 1fr .3fr;gap:40px;align-items:baseline;padding:34px 0;border-bottom:1px solid var(--line)}
.lab-list h3{font-size:27px;margin:0;letter-spacing:-.035em}
.lab-list h3 a{border-bottom:1px solid var(--line)}
.lab-list h3 a:hover{border-color:var(--blue);color:var(--blue)}
.lab-list p{margin:8px 0 0;color:var(--muted);font-size:16px}
.lab-list .lab-kind{text-transform:uppercase;letter-spacing:.12em;font-size:11px;font-weight:600;color:var(--blue);margin:0}
.lab-list .lab-tech{font-size:13px;color:var(--muted);margin:0;text-align:right}

/* À propos */
.about-story{display:grid;grid-template-columns:1fr 1fr;gap:90px;padding-block:110px}
.about-story h2{font-size:clamp(38px,4.4vw,54px);line-height:1;letter-spacing:-.05em;margin:0}
.about-story p{font-size:19px;color:var(--muted)}
.principles{display:grid;grid-template-columns:repeat(3,1fr);padding-bottom:110px}
.principles article{padding:35px;border:1px solid var(--line);margin-left:-1px}
.principles span{color:var(--blue)}
.principles h3{font-size:28px;margin:40px 0 12px}
.workflow{padding-bottom:110px}
.workflow ol{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.workflow li{display:grid;grid-template-columns:70px .8fr 1fr;gap:40px;align-items:baseline;padding:30px 0;border-bottom:1px solid var(--line)}
.workflow b{color:var(--blue);font-size:13px;font-weight:600}
.workflow h3{margin:0;font-size:25px;letter-spacing:-.035em}
.workflow p{margin:0;color:var(--muted)}
.stack{padding-bottom:120px}
.stack-grid{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line)}
.stack-grid div{padding:28px 30px 30px 0;border-bottom:1px solid var(--line)}
.stack-grid div:nth-child(odd){border-right:1px solid var(--line)}
.stack-grid div:nth-child(even){padding-left:30px}
.stack-grid h3{margin:0 0 8px;font-size:20px;letter-spacing:-.03em}
.stack-grid p{margin:0;color:var(--muted);font-size:15px}
.stack-grid small{display:block;margin-top:12px;font-size:12px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--blue)}

/* Contact */
.contact-layout{display:grid;grid-template-columns:.68fr 1.32fr;gap:80px;padding-block:80px 130px}
.contact-aside{display:flex;flex-direction:column;align-items:start;gap:14px}
.contact-aside>a:not(.text-link){font-size:22px;font-weight:600}
.contact-aside p{color:var(--muted)}
.contact-aside hr{border:0;border-top:1px solid var(--line);width:100%;margin:24px 0}
.contact-steps{list-style:none;margin:0;padding:0;width:100%}
.contact-steps li{display:grid;grid-template-columns:24px 1fr;gap:14px;padding:12px 0;border-bottom:1px solid var(--line);font-size:15px}
.contact-steps b{color:var(--blue);font-size:12px;font-weight:600;padding-top:4px}
.contact-form{background:#fff;border-radius:var(--radius);padding:48px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.contact-form label{display:block;font-size:13px;font-weight:600;margin-bottom:19px}
.contact-form input,.contact-form select,.contact-form textarea{display:block;width:100%;margin-top:8px;border:1px solid #b8b8b3;background:#fbfbf8;border-radius:12px;padding:14px;color:var(--ink)}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{outline:3px solid color-mix(in srgb,var(--blue) 25%,transparent);outline-offset:0;border-color:var(--blue)}
.consent{display:flex!important;gap:10px;align-items:start;font-weight:500!important;font-size:14px!important;line-height:1.45}
.consent input{width:auto!important;margin-top:3px!important;flex:none}
.form-note{font-size:13px;color:var(--muted);margin:0 0 22px}
.hp{position:absolute;left:-9999px}
.form-status{font-weight:500;min-height:24px}
.form-status.is-error{color:#a21324}
.form-status.is-success{color:#176b3b}

/* Pages légales */
.legal{padding-block:70px 130px;max-width:900px;margin-left:max(24px,calc((100vw - 1280px)/2))}
.legal h2{font-size:30px;margin-top:48px}
.legal p{color:var(--muted);font-size:18px}

/* Footer */
.site-footer{background:var(--dark);color:#fff;margin-top:110px;padding:72px 0 30px}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:50px}
.footer-grid>div,.footer-grid nav{display:flex;flex-direction:column;align-items:start;gap:10px}
.footer-grid strong{font-size:12px;color:var(--acid);text-transform:uppercase;letter-spacing:.12em;margin-bottom:10px}
.footer-grid a{font-size:14px;color:#c6cbd0}
.footer-grid p{color:#8f969e}
.footer-brand{color:#fff!important;margin-bottom:20px}
.footer-brand .brand-mark{border-color:#4c525a}
.footer-bottom{border-top:1px solid #343a42;margin-top:56px;padding-top:25px;display:flex;justify-content:space-between;color:#7f8790;font-size:12px}
.site-footer :focus-visible{outline-color:var(--acid)}

/* Les eyebrows priment sur les règles de paragraphe contextuelles */
p.eyebrow{text-transform:uppercase;letter-spacing:.16em;font-size:12px;font-weight:600;color:var(--blue);margin:0 0 18px}

/* Révélation au défilement — 100 % CSS, jamais de contenu invisible sans JS */
@supports (animation-timeline:view()){
  @media (prefers-reduced-motion:no-preference){
    .reveal{animation:reveal-in linear both;animation-timeline:view();animation-range:entry 0% cover 16%}
    @keyframes reveal-in{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
  }
}

/* ------- Tablette ------- */
@media(max-width:1000px){
  :root{--shell:min(100% - 36px,800px)}
  .desktop-nav,.header-cta{display:none}
  .menu-toggle{display:flex;width:44px;height:44px;border:1px solid var(--ink);background:transparent;border-radius:50%;flex-direction:column;justify-content:center;gap:6px;padding:11px;cursor:pointer}
  .menu-toggle span{display:block;height:2px;background:var(--ink);width:100%;transition:.2s}
  .menu-toggle[aria-expanded=true] span:first-child{transform:translateY(4px) rotate(45deg)}
  .menu-toggle[aria-expanded=true] span:last-child{transform:translateY(-4px) rotate(-45deg)}
  .mobile-nav{display:flex;position:fixed;inset:88px 0 auto;background:var(--paper);border-bottom:1px solid var(--line);padding:24px 18px 32px;flex-direction:column;align-items:start;gap:4px;transform:translateY(-130%);transition:.3s;z-index:-1;box-shadow:0 30px 60px rgba(17,20,25,.14)}
  .mobile-nav.is-open{transform:none}
  .mobile-nav a{font-size:27px;font-weight:600;padding:8px 0}
  .mobile-nav .mobile-cta{margin-top:18px;font-size:16px;font-weight:500;background:var(--ink);color:#fff;border-radius:999px;padding:15px 26px;display:inline-flex;gap:16px;align-items:center}
  .hero{grid-template-columns:1fr;padding-block:60px 80px;gap:50px}
  .proof-panel{max-width:620px}
  .project-card,.case-hero,.case-summary,.under-hood,.contact-layout,.about-story,.lab-lead,.shots-grid{grid-template-columns:1fr}
  .about-story,.case-summary{gap:32px}
  .lab-lead{gap:40px}
  .project-card{gap:30px}
  .cap-grid,.matrix,.stack-grid{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr}
  .split>div+div{border-left:0;padding:34px 0 38px}
  .under-hood{padding:52px;gap:44px}
  .case-hero{padding-top:70px}
  .case-hero>div{max-width:760px}
  .matrix article:not(:nth-child(3n)){border-right:0}
  .matrix article:nth-child(odd){border-right:1px solid var(--line)}
  .matrix article:nth-child(n){padding-inline:25px 25px}
  .matrix article:nth-child(odd){padding-left:0}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
  .footer-grid>div:last-child{grid-column:2/4}
  .form-row{grid-template-columns:1fr}
  .contact-form{padding:34px}
  .case-nav{grid-template-columns:1fr}
  .workflow li{grid-template-columns:50px 1fr;gap:20px}
  .workflow p{grid-column:2}
  .lab-list li{grid-template-columns:1fr;gap:10px}
  .lab-list .lab-tech{text-align:left}
}

/* ------- Mobile ------- */
@media(max-width:640px){
  :root{--shell:calc(100% - 28px);--radius:18px}
  body{font-size:16px}
  .header-inner{height:74px}
  .brand-name{display:none}
  .mobile-nav{inset:74px 0 auto}
  .hero{padding-block:44px 60px;gap:40px}
  .hero h1,.page-intro h1,.case-hero h1{font-size:clamp(42px,12.5vw,60px)}
  .hero-lead,.lead{font-size:18px;margin:24px 0}
  .hero .action-row{gap:20px}
  .hero .action-row .button{width:100%}
  .proof-panel{box-shadow:0 14px 34px rgba(17,20,25,.10)}
  .proof-head{padding:18px 20px}
  .proof-panel a{padding:16px 20px}
  .proof-panel strong{font-size:18px}
  .statement,.featured,.capabilities{padding-block:80px}
  .statement h2,.section-heading h2,.under-hood h2,.cta-band h2,.case-summary h2,.case-dark h2{font-size:36px}
  .section-heading{align-items:start;flex-direction:column;margin-bottom:35px}
  .project-card{padding-block:34px}
  .project-copy h2,.project-copy h3{font-size:34px}
  .cap-grid,.matrix,.principles,.numbers,.stack-grid{grid-template-columns:1fr}
  .cap-grid a:nth-child(n),.matrix article:nth-child(n),.stack-grid div:nth-child(n){padding:26px 0;border-right:0;border-bottom:1px solid var(--line)}
  .cap-grid a:nth-child(n){padding-right:44px;border-color:#3b4148}
  .cap-grid a::after{top:26px;right:4px}
  .under-hood{margin-block:64px;padding:32px 24px;gap:36px}
  .cta-band{margin-block:56px;padding:34px 24px;align-items:start;flex-direction:column}
  .cta-band .button{width:100%}
  .page-intro{padding-block:60px 48px}
  .case-hero{padding-block:52px;gap:36px}
  .case-summary{padding-block:66px;gap:20px}
  .case-dark{padding:36px 24px}
  .numbers{gap:18px}
  .numbers div{border-left:0;border-top:1px solid var(--line);padding:22px 0}
  .numbers strong{font-size:54px}
  .shots-grid{gap:28px}
  .ecosystem{min-height:600px;grid-template-columns:1fr}
  .ecosystem .eco-core{inset:41% 22%}
  .solution-list>article{grid-template-columns:44px 1fr;padding:46px 0}
  .solution-list ul{columns:1}
  .about-story{padding-block:66px;gap:28px}
  .workflow li{padding:24px 0}
  .contact-layout{padding-block:52px 80px;gap:44px}
  .contact-form{padding:24px 18px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-grid>div:first-child{grid-column:1/-1}
  .footer-grid>div:last-child{grid-column:auto}
  .footer-bottom{align-items:start;flex-direction:column;gap:10px}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}
h1,h2,h3,h4,h5,h6,strong,b{font-weight:500}

/* ============ PHASE 3 — CONVERSION B2B ============ */

/* Traduction problème → réponse (accueil et /dirigeants/) */
.friction{padding-block:110px;border-top:1px solid var(--line)}
.friction-head{max-width:900px;margin-bottom:56px}
.friction-head h2{font-size:clamp(34px,4.4vw,60px);line-height:1.04;letter-spacing:-.05em;margin:0}
.friction-head h2 span{color:var(--blue)}
.friction-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.friction-list li{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:baseline;padding:26px 0;border-bottom:1px solid var(--line)}
.friction-list q{font-size:clamp(19px,1.9vw,23px);line-height:1.35;letter-spacing:-.02em;quotes:"\00AB\00A0" "\00A0\00BB"}
.friction-list p{margin:0;color:var(--muted);font-size:16px;display:flex;gap:12px}
.friction-list p::before{content:"→";color:var(--blue);flex:none}
.friction-note{margin-top:48px;max-width:760px;font-size:clamp(19px,1.9vw,23px);line-height:1.4;letter-spacing:-.02em}
.friction-note b{font-weight:600}

/* Signature humaine (près d'un CTA) */
.signature{display:grid;grid-template-columns:auto 1fr;gap:32px;align-items:center;padding-block:20px 0}
.signature-photo-img{width:104px;height:104px;border-radius:50%;object-fit:cover;border:1px solid var(--line);background:#e2ded3}
.signature h3{margin:0 0 10px;font-size:clamp(22px,2.4vw,30px);letter-spacing:-.035em;line-height:1.15;max-width:620px}
.signature p{margin:0;color:var(--muted);font-size:16px;max-width:620px}
.cta-band .signature{margin-top:34px;padding-top:30px;border-top:1px solid var(--line)}

/* Portrait éditorial (/a-propos/) */
.portrait{display:grid;grid-template-columns:.82fr 1.18fr;gap:64px;align-items:center;padding-block:100px;border-top:1px solid var(--line)}
.portrait-frame{position:relative}
.portrait-frame img{width:100%;border-radius:var(--radius);border:1px solid var(--line)}
.portrait-frame figcaption{margin-top:16px;font-size:13px;color:var(--muted);letter-spacing:.02em}
.portrait-copy h2{font-size:clamp(32px,4vw,52px);line-height:1.04;letter-spacing:-.05em;margin:0 0 24px}
.portrait-copy p{color:var(--muted);font-size:19px;max-width:640px}
.portrait-facts{list-style:none;margin:30px 0 28px;padding:0;border-top:1px solid var(--line);max-width:640px}
.portrait-facts li{display:grid;grid-template-columns:.4fr 1fr;gap:20px;padding:12px 0;border-bottom:1px solid var(--line);font-size:15px}
.portrait-facts b{text-transform:uppercase;letter-spacing:.1em;font-size:11px;color:var(--muted);font-weight:600}

/* Pont problème → mise en production (/dirigeants/) */
.bridge{padding-bottom:110px}
.bridge ol{list-style:none;margin:0;padding:0;border-top:1px solid var(--line);counter-reset:b}
.bridge li{display:grid;grid-template-columns:56px .74fr 1fr auto;gap:36px;align-items:baseline;padding:26px 0;border-bottom:1px solid var(--line)}
.bridge b{color:var(--blue);font-size:13px;font-weight:600}
.bridge h3{margin:0;font-size:22px;letter-spacing:-.03em}
.bridge p{margin:0;color:var(--muted);font-size:16px}
.bridge .bridge-proof{font-size:13px;font-weight:600;white-space:nowrap;border-bottom:1px solid var(--line);padding-bottom:3px}
.bridge .bridge-proof:hover{border-color:var(--blue);color:var(--blue)}

/* Réponses aux inquiétudes du décideur */
.reassure{padding-bottom:110px}
.reassure-grid{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line)}
.reassure-grid div{padding:30px 34px 34px 0;border-bottom:1px solid var(--line)}
.reassure-grid div:nth-child(odd){border-right:1px solid var(--line)}
.reassure-grid div:nth-child(even){padding-left:34px}
.reassure-grid h3{margin:0 0 10px;font-size:21px;letter-spacing:-.03em}
.reassure-grid p{margin:0;color:var(--muted);font-size:16px}

/* Transposition (Pest Pilot) */
.transpose{padding-bottom:110px}
.transpose-flow{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}
.transpose-flow span{border:1px solid var(--line);border-radius:99px;padding:10px 16px;font-size:14px;font-weight:600}
.transpose-flow span:not(:last-child)::after{content:" →";color:var(--blue)}

@media(max-width:1000px){
  .friction-list li{grid-template-columns:1fr;gap:12px}
  .portrait,.bridge li{grid-template-columns:1fr}
  .bridge li{gap:8px}
  .bridge .bridge-proof{justify-self:start;white-space:normal}
  .reassure-grid{grid-template-columns:1fr}
  .reassure-grid div:nth-child(n){border-right:0;padding:26px 0}
  .signature{grid-template-columns:1fr;gap:20px}
}
@media(max-width:640px){
  .friction{padding-block:80px}
  .friction-head{margin-bottom:36px}
  .portrait{padding-block:64px;gap:36px}
  .signature-photo-img{width:88px;height:88px}
}

/* Utilitaires introduits en phase 3 (aucun style inline : CSP style-src 'self') */
.action-row-spaced{margin-top:38px}
.case-note{margin-top:6px}
.lead-tight{margin-top:0}
.matrix-link{margin-top:14px}
.link-sm{font-size:13px}
.label-hint{font-weight:400;color:var(--muted)}
.portrait-frame{margin:0}
.cta-band .button{white-space:nowrap}
@media(max-width:640px){.cta-band .button{white-space:normal}}
/* Zones tactiles : les liens texte atteignent ~44px sur mobile sans déplacer le soulignement */
@media(max-width:640px){.text-link{padding-top:16px}.friction .action-row .text-link,.hero .action-row .text-link{padding-top:10px}}

/* Formulaire : confort tactile et zoom iOS */
.consent{position:relative;padding:10px 0;min-height:44px;align-items:center!important}
.consent input{width:22px!important;height:22px!important;margin-top:0!important;accent-color:var(--blue)}
@media(max-width:640px){
  .contact-form input,.contact-form select,.contact-form textarea{font-size:16px}
}
@media(max-width:640px){.bridge .bridge-proof{padding-top:16px;padding-bottom:8px}}