@font-face{font-family:"Spectral";src:url(/assets/fonts/spectral-latin-500-normal.woff2) format("woff2");font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:"Spectral";src:url(/assets/fonts/spectral-latin-500-italic.woff2) format("woff2");font-weight:500;font-style:italic;font-display:swap}
@font-face{font-family:"Spectral";src:url(/assets/fonts/spectral-latin-600-normal.woff2) format("woff2");font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:"IBM Plex Sans";src:url(/assets/fonts/ibm-plex-sans-latin-400-normal.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"IBM Plex Sans";src:url(/assets/fonts/ibm-plex-sans-latin-400-italic.woff2) format("woff2");font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:"IBM Plex Sans";src:url(/assets/fonts/ibm-plex-sans-latin-500-normal.woff2) format("woff2");font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:"IBM Plex Sans";src:url(/assets/fonts/ibm-plex-sans-latin-600-normal.woff2) format("woff2");font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:"IBM Plex Mono";src:url(/assets/fonts/ibm-plex-mono-latin-400-normal.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"IBM Plex Mono";src:url(/assets/fonts/ibm-plex-mono-latin-500-normal.woff2) format("woff2");font-weight:500;font-style:normal;font-display:swap}
/* S2M Consulting — site forensic blockchain (2026-09) */
:root{
  --paper:#ffffff; --paper-2:#f1f4f8; --paper-3:#e6ebf1;
  --ink:#13213a; --ink-2:#46566c; --ink-3:#66758a;
  --navy:#0f2a4d; --navy-2:#1c406b;
  --rule:#d6dde6; --rule-2:#b8c3cf;
  --mark:#ffe79b;
  --ok:#1b6a4f; --ok-bg:#e1f0e8;
  --warn:#835400; --warn-bg:#faedd1;
  --no:#8a3636; --no-bg:#f5e2df;
  --focus:#1d4ed8;
  --serif:"Spectral","Iowan Old Style","Palatino Linotype",Palatino,Georgia,serif;
  --sans:"IBM Plex Sans","Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --w:72rem;
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:5.5rem}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:1.0625rem;line-height:1.62;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;height:auto}
p{margin:0 0 1rem}
a{color:var(--navy);text-decoration-thickness:1px;text-underline-offset:.2em}
a:hover{color:var(--navy-2);text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:2px}
mark{background:linear-gradient(transparent 58%,var(--mark) 58%);color:inherit;padding:0 .08em}
.mono{font-family:var(--mono);font-size:.9em}
.nowrap{white-space:nowrap}
.wrap{max-width:var(--w);margin-inline:auto;padding-inline:clamp(1rem,4vw,2.5rem)}
.skip{position:absolute;left:-9999px;top:0;background:var(--navy);color:#fff;padding:.6rem 1rem;z-index:50}
.skip:focus{left:1rem;top:1rem}

/* En-tête */
.site-header{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:rgba(255,255,255,.95);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--rule)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:4.25rem}
.brand{display:flex;align-items:baseline;gap:.75rem;text-decoration:none;color:var(--ink);min-width:0}
.brand:hover{color:var(--ink)}
.brand-name{font-family:var(--serif);font-size:1.35rem;line-height:1;white-space:nowrap}
.brand-name b{font-weight:600;color:var(--navy);letter-spacing:.01em}
.brand-name span{font-weight:500}
.brand-tag{font-size:.7rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);white-space:nowrap}
.nav{display:flex;align-items:center;gap:1.4rem;font-size:.9375rem}
.nav-links{display:flex;gap:1.4rem;list-style:none;margin:0;padding:0}
.nav-links a{color:var(--ink);text-decoration:none}
.nav-links a:hover{color:var(--navy);text-decoration:underline}
.tel{font-family:var(--mono);font-size:.875rem;padding:.5rem .8rem;border:1px solid var(--navy);border-radius:3px;color:var(--navy);text-decoration:none;white-space:nowrap}
.tel:hover{background:var(--navy);color:#fff;text-decoration:none}
@media (max-width:1000px){.nav-links{display:none}}
@media (max-width:560px){.brand-tag{display:none}.brand-name{font-size:1.2rem}.tel{font-size:.8rem;padding:.45rem .6rem}}

/* Titres */
.eyebrow,.kicker{font-size:.76rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);margin:0 0 .9rem}
h1,h2{font-family:var(--serif);font-weight:500;color:var(--ink);text-wrap:balance}
h1{font-size:clamp(2.1rem,1.35rem + 3.1vw,3.5rem);line-height:1.07;letter-spacing:-.012em;margin:0 0 1.25rem}
h2{font-size:clamp(1.65rem,1.2rem + 1.7vw,2.4rem);line-height:1.14;letter-spacing:-.006em;margin:0 0 .8rem}
h3{font-family:var(--sans);font-size:1.125rem;font-weight:600;line-height:1.35;margin:0 0 .5rem;color:var(--ink)}

/* Ouverture */
.hero{padding-block:clamp(2.75rem,6vw,5rem) clamp(2.75rem,5vw,4.25rem);border-bottom:1px solid var(--rule)}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.9fr);gap:clamp(2.25rem,5vw,4.5rem);align-items:start}
@media (max-width:920px){.hero .wrap{grid-template-columns:minmax(0,1fr)}}
.lede{font-size:clamp(1.08rem,1rem + .4vw,1.25rem);line-height:1.55;color:var(--ink-2);max-width:36rem;margin:0 0 1.9rem}
.actions{display:flex;flex-wrap:wrap;gap:.75rem;margin:0 0 2.25rem}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:.85rem 1.2rem;border-radius:3px;font-weight:500;font-size:1rem;line-height:1.2;text-decoration:none;border:1px solid var(--navy)}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{background:var(--navy-2);border-color:var(--navy-2);color:#fff;text-decoration:none}
.btn-ghost{color:var(--navy);background:transparent}
.btn-ghost:hover{background:var(--paper-2);text-decoration:none}
.facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem 1.5rem;margin:0;padding:1.1rem 0 0;list-style:none;border-top:1px solid var(--rule);font-size:.9rem;line-height:1.45;color:var(--ink-2)}
.facts strong{display:block;color:var(--ink);font-weight:600;font-size:.95rem}
@media (max-width:640px){.facts{grid-template-columns:minmax(0,1fr)}}

/* Pièce (document) */
.doc{position:relative;background:#fff;border:1px solid var(--rule-2);padding:1.9rem 1.5rem 1.2rem;box-shadow:0 1px 0 var(--rule),0 22px 44px -28px rgba(15,42,77,.45);font-size:.9375rem;margin:.75rem 0 0}
.doc-tab{position:absolute;top:-.8rem;left:1.25rem;background:var(--navy);color:#fff;font-size:.7rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;padding:.3rem .6rem;border-radius:2px}
.doc-head{display:flex;justify-content:space-between;gap:1rem;font-size:.7rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);border-bottom:1px solid var(--rule);padding-bottom:.6rem;margin-bottom:.9rem}
.doc-title{font-family:var(--serif);font-size:1.3rem;font-weight:600;line-height:1.25;margin:0 0 .2rem;color:var(--ink)}
.doc-sub{margin:0 0 .8rem;color:var(--ink-2);font-size:.875rem}
.doc ol{margin:0;padding:0;list-style:none;counter-reset:sec}
.doc li{counter-increment:sec;display:grid;grid-template-columns:1.5rem minmax(0,1fr);gap:.3rem;padding:.45rem 0;border-bottom:1px dotted var(--rule-2);line-height:1.4}
.doc li::before{content:counter(sec);font-family:var(--mono);font-size:.8rem;color:var(--ink-3);padding-top:.1rem}
.doc li.annex{counter-increment:none;border-bottom:0}
.doc li.annex::before{content:"A"}
.doc-levels{display:flex;flex-wrap:wrap;align-items:center;gap:.4rem .5rem;margin:.9rem 0 0;font-size:.8rem;color:var(--ink-2)}
.doc-foot{margin-top:.9rem;padding-top:.7rem;border-top:1px solid var(--rule);font-size:.72rem;color:var(--ink-3);line-height:1.45}
.doc-foot code{display:block;font-family:var(--mono);font-size:.7rem;color:var(--ink-2);overflow-wrap:anywhere;margin-top:.15rem}

/* Niveaux de certitude */
.chips{display:flex;flex-wrap:wrap;gap:.45rem;margin:.8rem 0 0;padding:0;list-style:none}
.chip{display:inline-flex;align-items:center;gap:.4rem;font-size:.8rem;font-weight:500;line-height:1.2;padding:.28rem .62rem;border-radius:999px;white-space:nowrap}
.chip::before{content:"";width:.5rem;height:.5rem;border-radius:50%;background:currentColor;flex:none}
.chip.ok{color:var(--ok);background:var(--ok-bg)}
.chip.warn{color:var(--warn);background:var(--warn-bg)}
.chip.no{color:var(--no);background:var(--no-bg)}

/* Sections */
.section{padding-block:clamp(3.25rem,7vw,5.5rem);border-bottom:1px solid var(--rule)}
.section.tint{background:var(--paper-2)}
.section-head{max-width:46rem;margin-bottom:clamp(1.9rem,4vw,2.9rem)}
.section-head p{color:var(--ink-2);margin:0;max-width:42rem}
.cols-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(1.75rem,3vw,2.75rem)}
@media (max-width:920px){.cols-3{grid-template-columns:minmax(0,1fr)}}
.aud{border-top:2px solid var(--navy);padding-top:1.15rem}
.aud .q{font-family:var(--serif);font-style:italic;font-weight:500;font-size:1.15rem;line-height:1.4;margin:0 0 .9rem}
.aud ul{margin:0;padding-left:1.1rem;color:var(--ink-2)}
.aud li{margin:.35rem 0}
.aud li::marker{color:var(--rule-2)}

/* Bordereau de pièces */
.bordereau{border-top:2px solid var(--ink);margin:0;padding:0;list-style:none}
.b-row{display:grid;grid-template-columns:minmax(0,15rem) minmax(0,1.35fr) minmax(0,1fr);gap:.4rem 2rem;padding:1.15rem 0;border-bottom:1px solid var(--rule)}
.b-row.b-head{padding:.65rem 0;font-size:.7rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}
.b-piece{display:flex;flex-direction:column;gap:.15rem}
.b-num{font-family:var(--mono);font-size:.76rem;color:var(--ink-3)}
.b-title{font-weight:600;line-height:1.3}
.b-what{margin:0}
.b-for{margin:0;color:var(--ink-2);font-size:.9375rem}
.b-label{display:none}
@media (max-width:860px){
  .b-row{grid-template-columns:minmax(0,1fr);padding:1rem 0}
  .b-row.b-head{display:none}
  .b-label{display:inline;font-size:.72rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);margin-right:.35rem}
}
.after-note{margin:1.25rem 0 0;font-size:.9375rem;color:var(--ink-2);max-width:44rem}

/* Méthode */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1.5rem;margin:0 0 clamp(2.5rem,5vw,3.75rem);padding:0;list-style:none;counter-reset:step}
.steps li{counter-increment:step;border-top:1px solid var(--rule-2);padding-top:1rem}
.steps li::before{content:"Étape " counter(step);display:block;font-size:.72rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);margin-bottom:.45rem}
.steps p{margin:0;color:var(--ink-2);font-size:.9687rem}
@media (max-width:920px){.steps{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.steps{grid-template-columns:minmax(0,1fr)}}
.annot{display:grid;grid-template-columns:minmax(0,40rem) minmax(0,16rem);gap:0 3.5rem}
.a-body{grid-column:1;padding:1.25rem 0;border-top:1px solid var(--rule)}
.a-body p{margin:0;color:var(--ink-2)}
.a-note{grid-column:2;align-self:start;margin:1.35rem 0 0;padding-left:1rem;border-left:1px solid var(--rule-2);font-size:.84rem;line-height:1.5;color:var(--ink-2)}
@media (max-width:920px){.annot{grid-template-columns:minmax(0,1fr)}.a-note{grid-column:1;margin:0 0 1.25rem}}

/* Exemples */
.cases{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(1.25rem,2.5vw,1.75rem);align-items:stretch}
@media (max-width:1040px){.cases{grid-template-columns:minmax(0,1fr)}}
.case{background:#fff;border:1px solid var(--rule);padding:1.45rem 1.4rem 1.25rem;display:flex;flex-direction:column;gap:.95rem}
.case-label{font-size:.7rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);margin:0}
.case h3{font-family:var(--serif);font-size:1.4rem;font-weight:500;line-height:1.2;margin:0}
.case p{margin:0;font-size:.9687rem;color:var(--ink-2)}
.timeline{list-style:none;margin:0;padding:0 0 0 1rem;border-left:1px solid var(--rule-2)}
.timeline li{position:relative;padding:0 0 .8rem;font-size:.9375rem;line-height:1.5}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{content:"";position:absolute;left:calc(-1rem - 4px);top:.42rem;width:7px;height:7px;border-radius:50%;background:var(--navy)}
.timeline .when{display:block;font-family:var(--mono);font-size:.76rem;color:var(--ink-3)}
.findings{margin:0;padding-left:1.1rem;font-size:.9375rem;line-height:1.5}
.findings li{margin:.3rem 0}
.takeaway{margin-top:auto!important;padding-top:.95rem;border-top:1px solid var(--rule);font-size:.9375rem;color:var(--ink)!important}
.src{font-size:.78rem!important;line-height:1.45;color:var(--ink-3)!important}
.src a{color:var(--ink-2)}

/* Analyste */
.analyst{display:grid;grid-template-columns:minmax(0,11rem) minmax(0,44rem);gap:clamp(1.5rem,4vw,3.25rem);align-items:start}
.portrait{display:block;width:100%;max-width:11rem;height:auto;aspect-ratio:1/1;object-fit:cover;object-position:50% 22%;background:var(--paper-3);filter:grayscale(.15)}
.portrait-page{max-width:9rem;margin:0 0 1.25rem}
.monogram{aspect-ratio:1/1;width:100%;max-width:11rem;display:grid;place-items:center;background:var(--navy);color:#fff;font-family:var(--serif);font-weight:500;font-size:2.6rem;letter-spacing:.03em}
@media (max-width:720px){.analyst{grid-template-columns:minmax(0,1fr)}.monogram,.portrait{max-width:7rem}.monogram{font-size:1.5rem}}
.role{font-size:1rem;color:var(--ink-2);margin:-.35rem 0 1.1rem}
.cv{list-style:none;padding:0;margin:1.35rem 0}
.cv li{display:grid;grid-template-columns:minmax(0,8.5rem) minmax(0,1fr);gap:1.25rem;padding:.8rem 0;border-top:1px solid var(--rule);font-size:.9687rem}
.cv li:last-child{border-bottom:1px solid var(--rule)}
.cv .when{font-family:var(--mono);font-size:.8rem;color:var(--ink-3);padding-top:.15rem}
@media (max-width:560px){.cv li{grid-template-columns:minmax(0,1fr);gap:.15rem}}
.notice{background:var(--paper-2);border-left:3px solid var(--navy);padding:1rem 1.2rem;font-size:.9375rem;margin:0}
.section.tint .notice{background:#fff}

/* Outils */
.tools{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.5rem}
@media (max-width:760px){.tools{grid-template-columns:minmax(0,1fr)}}
.tool{border:1px solid var(--rule);background:#fff;padding:1.45rem 1.45rem 1.3rem;display:flex;flex-direction:column;gap:.55rem}
.tool .for{font-size:.7rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);margin:0}
.tool h3{font-family:var(--serif);font-size:1.5rem;font-weight:600;color:var(--navy);margin:0}
.tool p{margin:0;color:var(--ink-2)}
.tool .more{margin-top:auto;padding-top:.5rem;font-weight:500}
.tools-note{margin:1.25rem 0 0;font-size:.9375rem;color:var(--ink-2)}

/* Honoraires */
.fees{border-top:2px solid var(--ink);max-width:50rem;margin:0;padding:0;list-style:none}
.fee{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:.2rem 2rem;padding:1.05rem 0;border-bottom:1px solid var(--rule);align-items:baseline}
.fee h3{margin:0;font-size:1.05rem}
.fee .price{font-family:var(--mono);font-size:.95rem;white-space:nowrap;font-variant-numeric:tabular-nums;color:var(--ink);text-align:right}
.fee p{grid-column:1/-1;margin:0;color:var(--ink-2);font-size:.9375rem}
@media (max-width:520px){.fee{grid-template-columns:minmax(0,1fr)}.fee .price{text-align:left}}
.fees-note{max-width:50rem;margin:1.25rem 0 0;font-size:.9375rem;color:var(--ink-2)}

/* Questions */
.faq{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2.1rem 3.5rem}
@media (max-width:860px){.faq{grid-template-columns:minmax(0,1fr)}}
.faq h3{font-size:1.0625rem;margin-bottom:.4rem}
.faq p{margin:0;color:var(--ink-2)}

/* Contact */
.contact{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(2.25rem,5vw,4.5rem)}
@media (max-width:860px){.contact{grid-template-columns:minmax(0,1fr)}}
.big-link{display:inline-block;font-family:var(--serif);font-size:clamp(1.45rem,1.05rem + 1.6vw,2.15rem);line-height:1.2;overflow-wrap:anywhere;margin:.25rem 0 .5rem}
.coords{display:grid;grid-template-columns:auto minmax(0,1fr);gap:.55rem 1.25rem;margin:1.25rem 0 0}
.coords dt{font-size:.72rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);padding-top:.25rem}
.coords dd{margin:0}
.checklist{list-style:none;padding:0;margin:0 0 1rem}
.checklist li{position:relative;padding:.7rem 0 .7rem 1.8rem;border-top:1px solid var(--rule);line-height:1.45}
.checklist li:last-child{border-bottom:1px solid var(--rule)}
.checklist li::before{content:"";position:absolute;left:0;top:1.35rem;width:.85rem;height:2px;background:var(--navy)}
.small{font-size:.875rem;color:var(--ink-2)}

/* Pied de page */
.site-footer{background:var(--navy);color:#d9e2ee;padding-block:2.6rem;font-size:.875rem;line-height:1.55}
.site-footer .wrap{display:grid;gap:1.1rem}
.site-footer a{color:#fff}
.foot-brand{font-family:var(--serif);font-size:1.2rem;color:#fff;margin:0}
.foot-legal{color:#b9c7d9;margin:0;max-width:62rem}
.foot-links{display:flex;flex-wrap:wrap;gap:.5rem 1.4rem;list-style:none;margin:0;padding:0}

/* Pages de texte */
.prose{max-width:46rem;padding-block:clamp(2.75rem,6vw,4.75rem)}
.prose h1{font-size:clamp(2rem,1.55rem + 1.8vw,2.85rem)}
.prose h2{font-size:1.45rem;margin:2.4rem 0 .7rem}
.prose ul{padding-left:1.2rem}
.prose li{margin:.45rem 0}
.prose .updated{font-size:.875rem;color:var(--ink-3);margin-top:-.4rem}
.legal-dl{display:grid;grid-template-columns:minmax(0,12rem) minmax(0,1fr);gap:.55rem 1.5rem;margin:0}
.legal-dl dt{color:var(--ink-3);font-size:.9375rem}
.legal-dl dd{margin:0}
@media (max-width:560px){.legal-dl{grid-template-columns:minmax(0,1fr);gap:.1rem}.legal-dl dd{margin-bottom:.7rem}}
.back{margin-top:2.5rem}

@media print{.site-header,.actions,.skip{display:none}.section,.hero{border:0;padding-block:1.5rem}.site-footer{background:none;color:#000}.site-footer a{color:#000}}

.prose ul.cv{padding-left:0}