/* ==========================================================================
   lancement-business-sio.fr — Direction "0 → 1 / Lancement"
   Sombre near-black + menthe-émeraude. Unbounded (display) / Manrope (body).
   CSS-first, zéro dépendance JS pour le rendu. v__CSSVER__
   ========================================================================== */

:root{
  --bg:#0b1110;
  --surface:#13201c;
  --surface-2:#16271f;
  --line:#23332c;
  --mint:#2ee6a6;
  --mint-deep:#12a877;
  --volt:#e8ff3a;
  --ink:#f1f5f3;
  --ink-soft:#c2cdc8;
  --ink-mute:#7d8c86;
  --radius:18px;
  --radius-sm:12px;
  --maxw:1200px;
  --shadow:0 24px 60px -28px rgba(0,0,0,.85);
  --ff-display:'Unbounded',system-ui,sans-serif;
  --ff-body:'Manrope',system-ui,-apple-system,sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--ff-body);font-size:17px;line-height:1.7;
  font-weight:450;letter-spacing:.005em;
  text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--mint);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:var(--ff-display);font-weight:800;line-height:1.08;letter-spacing:-.02em;color:var(--ink);margin:0 0 .5em}
strong{color:var(--ink);font-weight:700}

/* background grid + glow on body */
body::before{
  content:"";position:fixed;inset:0;z-index:-2;
  background-image:linear-gradient(var(--surface) 1px,transparent 1px),linear-gradient(90deg,var(--surface) 1px,transparent 1px);
  background-size:54px 54px;opacity:.35;
  mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 70%);
}
body::after{
  content:"";position:fixed;top:-260px;right:-200px;width:760px;height:760px;z-index:-1;
  background:radial-gradient(circle,rgba(46,230,166,.16),transparent 62%);pointer-events:none;
}

/* ---- a11y ---- */
.skip-link{position:absolute;left:-999px;top:0;z-index:999;background:var(--mint);color:#06231a;padding:12px 18px;border-radius:0 0 10px 0;font-weight:700}
.skip-link:focus{left:0}
:focus-visible{outline:3px solid var(--mint);outline-offset:3px;border-radius:4px}
.screen-reader-text{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ============ HEADER ============ */
.site-header{position:sticky;top:0;z-index:50;background:rgba(11,17,16,.82);backdrop-filter:saturate(140%) blur(14px);border-bottom:1px solid var(--line)}
.hd-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--ff-display);font-weight:800;font-size:18px;color:var(--ink);letter-spacing:-.02em}
.brand:hover{text-decoration:none}
.brand .mk{width:34px;height:34px;flex:0 0 34px;display:grid;place-items:center;background:var(--surface);border:1px solid var(--line);border-radius:10px}
.brand .mk svg{width:20px;height:20px}
.brand img,.custom-logo{height:40px!important;width:auto!important;max-width:160px;border-radius:9px;object-fit:contain}
.foot-brand .brand img,.foot-brand .custom-logo{height:38px!important}
.brand b{color:var(--mint)}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{color:var(--ink-soft);font-weight:600;font-size:14.5px;padding:8px 13px;border-radius:9px;transition:color .2s,background .2s}
.main-nav a:hover{color:var(--ink);background:var(--surface);text-decoration:none}
.nav-toggle{display:none;background:var(--surface);border:1px solid var(--line);color:var(--ink);width:44px;height:44px;border-radius:11px;font-size:20px;cursor:pointer}
@media(max-width:880px){
  .nav-toggle{display:grid;place-items:center}
  .main-nav{position:absolute;top:72px;left:0;right:0;flex-direction:column;align-items:stretch;gap:2px;background:var(--bg);border-bottom:1px solid var(--line);padding:12px 16px 18px;max-height:0;overflow:hidden;transition:max-height .35s var(--ease)}
  .main-nav.open{max-height:520px}
  .main-nav a{padding:13px}
}

/* ============ BUTTONS ============ */
.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--ff-display);font-weight:700;font-size:15px;padding:13px 22px;border-radius:12px;cursor:pointer;border:1px solid transparent;transition:transform .18s var(--ease),box-shadow .2s,background .2s}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn-primary{background:var(--mint);color:#06231a;box-shadow:0 14px 30px -14px rgba(46,230,166,.7)}
.btn-primary:hover{box-shadow:0 18px 40px -14px rgba(46,230,166,.85)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--mint);color:var(--mint)}

/* ============ HERO ============ */
.hero{position:relative;padding:84px 0 64px}
.hero-inner{max-width:920px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-family:var(--ff-display);font-weight:700;font-size:12.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--mint);background:rgba(46,230,166,.08);border:1px solid rgba(46,230,166,.22);padding:7px 15px;border-radius:999px}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(46,230,166,.18)}
.hero h1{font-size:clamp(2.6rem,6.4vw,5rem);margin:24px 0 18px;line-height:1.02}
.hero h1 em{font-style:normal;color:var(--mint)}
.hero h1 .volt{color:var(--volt)}
.hero p.lead{font-size:clamp(1.05rem,2vw,1.3rem);color:var(--ink-soft);max-width:680px;margin:0 0 30px;font-weight:500}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-stats{display:flex;flex-wrap:wrap;gap:34px;margin-top:52px;padding-top:30px;border-top:1px solid var(--line)}
.hero-stat .n{font-family:var(--ff-display);font-weight:800;font-size:2rem;color:var(--mint);line-height:1}
.hero-stat .l{font-size:13px;color:var(--ink-mute);margin-top:6px;letter-spacing:.02em}

/* launch trajectory svg */
.trajectory{position:absolute;right:-40px;top:40px;width:min(46%,520px);opacity:.9;pointer-events:none;z-index:-1}
@media(max-width:980px){.trajectory{display:none}}
.trajectory .dash{stroke-dasharray:4 16;stroke-linecap:round;animation:dashmove 9s linear infinite}
@keyframes dashmove{to{stroke-dashoffset:-200}}
@media(prefers-reduced-motion:reduce){.trajectory .dash{animation:none}}

/* ============ STEPS (0->1) ============ */
.steps-band{padding:18px 0 8px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media(max-width:880px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.steps{grid-template-columns:1fr}}
.step{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;overflow:hidden}
.step .num{font-family:var(--ff-display);font-weight:800;font-size:3.4rem;line-height:.8;color:var(--surface-2);position:absolute;top:8px;right:14px}
.step:nth-child(1) .num{color:rgba(46,230,166,.16)}
.step h3{font-size:1.12rem;margin:0 0 6px;position:relative}
.step p{font-size:14.5px;color:var(--ink-mute);margin:0;position:relative}
.step::after{content:"";position:absolute;left:0;top:0;width:3px;height:0;background:var(--mint);transition:height .4s var(--ease)}
.step:hover::after{height:100%}

/* ============ SECTION HEAD ============ */
.section{padding:66px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px;flex-wrap:wrap}
.sec-head .tag{font-family:var(--ff-display);font-size:12.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--mint);font-weight:700;margin-bottom:8px}
.sec-head h2{font-size:clamp(1.8rem,3.6vw,2.7rem)}
.sec-head p{color:var(--ink-mute);max-width:520px;margin:6px 0 0}
.sec-head .more{font-family:var(--ff-display);font-weight:700;font-size:14px;color:var(--ink);border:1px solid var(--line);padding:10px 16px;border-radius:11px;transition:.2s}
.sec-head .more:hover{border-color:var(--mint);color:var(--mint);text-decoration:none}

/* ============ CARD GRID ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
@media(max-width:900px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.card-grid{grid-template-columns:1fr}}

.card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .28s var(--ease),border-color .28s,box-shadow .28s}
.card:hover{transform:translateY(-6px);border-color:rgba(46,230,166,.45);box-shadow:var(--shadow)}
.card-media{aspect-ratio:16/10;overflow:hidden;background:var(--surface-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.card:hover .card-media img{transform:scale(1.05)}
.card-media.noimg{display:grid;place-items:center;background:radial-gradient(circle at 30% 20%,#19332a,var(--surface-2))}
.card-media.noimg svg{width:64px;height:64px;opacity:.5}
.card-body{padding:22px;display:flex;flex-direction:column;flex:1}
.chip{align-self:flex-start;font-family:var(--ff-display);font-weight:700;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--mint);background:rgba(46,230,166,.08);border:1px solid rgba(46,230,166,.22);padding:5px 11px;border-radius:999px;margin-bottom:13px}
.card-body h3{font-size:1.18rem;line-height:1.25;margin:0 0 10px}
.card-body h3 a{color:var(--ink)}
.card-body h3 a:hover{color:var(--mint);text-decoration:none}
.card-excerpt{font-size:14.5px;color:var(--ink-mute);margin:0 0 16px;flex:1}
.card-meta{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--ink-mute);border-top:1px solid var(--line);padding-top:14px}
.card-meta .rt{display:inline-flex;align-items:center;gap:5px}
.new-badge{background:var(--volt);color:#06231a;font-family:var(--ff-display);font-size:10px;font-weight:700;padding:2px 8px;border-radius:999px;margin-left:8px;vertical-align:middle}

/* featured (à la une) */
.featured{display:grid;grid-template-columns:1.4fr 1fr;gap:26px;margin-bottom:30px}
@media(max-width:820px){.featured{grid-template-columns:1fr}}
.featured .card-media{aspect-ratio:16/9}
.featured .card-body h3{font-size:1.7rem}

/* ============ RUBRIQUES ============ */
.rubriques{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:820px){.rubriques{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.rubriques{grid-template-columns:1fr}}
.rubrique{display:flex;flex-direction:column;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:22px;transition:.25s var(--ease)}
.rubrique:hover{border-color:var(--mint);transform:translateY(-3px);text-decoration:none}
.rubrique .rk{font-family:var(--ff-display);font-weight:800;font-size:13px;color:var(--mint)}
.rubrique strong{font-family:var(--ff-display);font-size:1.05rem;color:var(--ink)}
.rubrique span{font-size:13px;color:var(--ink-mute)}

/* ============ CTA BAND ============ */
.cta-band{position:relative;margin:30px 0;background:linear-gradient(120deg,#0e1c17,#13201c);border:1px solid var(--line);border-radius:24px;padding:54px 44px;overflow:hidden}
.cta-band::before{content:"0→1";position:absolute;right:24px;bottom:-30px;font-family:var(--ff-display);font-weight:800;font-size:11rem;color:rgba(46,230,166,.06);line-height:.8}
.cta-band h2{font-size:clamp(1.6rem,3.4vw,2.4rem);max-width:620px;position:relative}
.cta-band p{color:var(--ink-soft);max-width:560px;position:relative;margin:10px 0 24px}

/* ============ SINGLE ============ */
.article-hero{padding:54px 0 0}
.breadcrumb{font-size:13px;color:var(--ink-mute);margin-bottom:22px}
.breadcrumb a{color:var(--ink-soft)}
.breadcrumb [aria-current]{color:var(--mint)}
.article-hero .chip{display:inline-flex;margin-bottom:18px}
.article-hero h1{font-size:clamp(2rem,4.6vw,3.3rem);max-width:880px;margin:0 0 18px}
.article-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;color:var(--ink-mute);font-size:14px}
.article-meta .av{width:40px;height:40px;border-radius:50%;border:2px solid var(--mint)}
.article-meta b{color:var(--ink)}
.article-cover{margin:34px 0 0;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);max-height:520px}
.article-cover img{width:100%;object-fit:cover}

.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:48px;padding:44px 0 30px;align-items:start}
@media(max-width:980px){.article-layout{grid-template-columns:1fr}}

.prose{font-size:17.5px;line-height:1.8;color:var(--ink-soft);max-width:760px}
.prose h2{font-size:1.7rem;margin:2em 0 .6em;color:var(--ink);scroll-margin-top:90px}
.prose h3{font-size:1.3rem;margin:1.6em 0 .5em;color:var(--ink)}
.prose p{margin:0 0 1.2em}
.prose a{color:var(--mint);text-decoration:underline;text-underline-offset:3px}
.prose ul,.prose ol{margin:0 0 1.3em;padding-left:1.3em}
.prose li{margin:.4em 0}
.prose li::marker{color:var(--mint)}
.prose strong{color:var(--ink)}
.prose blockquote{margin:1.6em 0;padding:18px 24px;border-left:3px solid var(--mint);background:var(--surface);border-radius:0 12px 12px 0;color:var(--ink)}
.prose img{border-radius:14px;margin:1.5em 0;border:1px solid var(--line)}
.prose code{background:var(--surface);border:1px solid var(--line);padding:2px 7px;border-radius:6px;font-size:.9em;color:var(--mint)}
.prose table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.prose th{background:var(--surface-2);color:var(--ink);text-align:left;padding:13px 16px;font-family:var(--ff-display);font-size:13px}
.prose td{padding:13px 16px;border-top:1px solid var(--line);color:var(--ink-soft)}
.prose tr:nth-child(even) td{background:rgba(255,255,255,.012)}

/* sommaire injected by theme filter */
.sommaire{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px 22px;margin:0 0 30px}
.sommaire strong{font-family:var(--ff-display);font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--mint);display:block;margin-bottom:10px}
.sommaire ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:7px}
.sommaire li{counter-increment:som}
.sommaire a{color:var(--ink-soft);font-size:14.5px;display:flex;gap:10px}
.sommaire a::before{content:counter(som,decimal-leading-zero);color:var(--mint);font-family:var(--ff-display);font-weight:700;font-size:12px}
.sommaire{counter-reset:som}
.sommaire a:hover{color:var(--mint);text-decoration:none}

/* sidebar (sticky) */
.aside-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:22px}
.aside-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.aside-card h4{font-family:var(--ff-display);font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--mint);margin:0 0 14px}
.aside-card ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.aside-card li a{color:var(--ink-soft);font-size:14.5px;line-height:1.35;display:block}
.aside-card li a:hover{color:var(--mint);text-decoration:none}

/* author box */
.author-box{display:flex;gap:20px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;margin:42px 0 0}
.author-box .av{width:72px;height:72px;border-radius:50%;flex:0 0 72px;border:2px solid var(--mint)}
.author-box h4{font-size:1.15rem;margin:0 0 4px}
.author-box .role{color:var(--mint);font-size:13px;font-weight:600;margin:0 0 8px;font-family:var(--ff-display)}
.author-box p{color:var(--ink-mute);font-size:14.5px;margin:0 0 10px}
.author-box a{font-size:13.5px;font-weight:600}

/* related */
.related{padding:20px 0 70px}
.related h2{font-size:1.6rem;margin-bottom:26px}

/* ============ ARCHIVE HEAD ============ */
.archive-hero{padding:64px 0 10px}
.archive-hero .eyebrow{margin-bottom:18px}
.archive-hero h1{font-size:clamp(2.2rem,5vw,3.6rem)}
.archive-hero p{color:var(--ink-mute);max-width:560px;margin-top:10px}

/* pagination */
.pagination{display:flex;justify-content:center;gap:8px;margin:54px 0 0;flex-wrap:wrap}
.pagination .page-numbers{display:inline-grid;place-items:center;min-width:44px;height:44px;padding:0 14px;border:1px solid var(--line);border-radius:11px;color:var(--ink-soft);font-weight:600;font-family:var(--ff-display);font-size:14px;transition:.2s}
.pagination .page-numbers:hover{border-color:var(--mint);color:var(--mint);text-decoration:none}
.pagination .current{background:var(--mint);color:#06231a;border-color:var(--mint)}

/* search/filter bar */
.filterbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:28px 0 8px}
.search-form{display:flex;gap:8px;flex:1;min-width:240px}
.search-form input{flex:1;background:var(--surface);border:1px solid var(--line);color:var(--ink);padding:12px 16px;border-radius:11px;font-family:var(--ff-body);font-size:15px}
.search-form input::placeholder{color:var(--ink-mute)}
.search-form input:focus{outline:none;border-color:var(--mint)}
.search-form button{background:var(--mint);color:#06231a;border:none;border-radius:11px;padding:0 18px;font-family:var(--ff-display);font-weight:700;cursor:pointer}
.cat-pills{display:flex;flex-wrap:wrap;gap:8px}
.cat-pill{font-size:13.5px;font-weight:600;color:var(--ink-soft);background:var(--surface);border:1px solid var(--line);padding:8px 14px;border-radius:999px;transition:.2s}
.cat-pill:hover,.cat-pill.active{border-color:var(--mint);color:var(--mint);text-decoration:none}
.cat-pill.active{background:rgba(46,230,166,.08)}

/* ============ FOOTER ============ */
.site-footer{background:#070c0b;border-top:1px solid var(--line);margin-top:60px;padding:60px 0 28px}
.foot-top{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px}
@media(max-width:820px){.foot-top{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.foot-top{grid-template-columns:1fr}}
.foot-brand .brand{margin-bottom:16px}
.foot-brand p{color:var(--ink-mute);font-size:14.5px;max-width:340px}
.foot-col h4{font-family:var(--ff-display);font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink);margin:0 0 16px}
.foot-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px}
.foot-col a{color:var(--ink-mute);font-size:14.5px}
.foot-col a:hover{color:var(--mint);text-decoration:none}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;margin-top:44px;padding-top:24px;border-top:1px solid var(--line);color:var(--ink-mute);font-size:13px}
.foot-bottom .legal{display:flex;gap:18px;flex-wrap:wrap}
.foot-bottom a{color:var(--ink-mute)}
.foot-bottom a:hover{color:var(--mint);text-decoration:none}

/* ============ MOTION reveals ============
   Règle d'or : JAMAIS de contenu piégé en opacity:0.
   L'animation finit TOUJOURS visible (forwards) et se déclenche au chargement.
   Le scroll-timeline n'est qu'une amélioration progressive non bloquante. */
.reveal{opacity:1} /* état de repos TOUJOURS visible — aucun piège crawl/no-JS */
@media(prefers-reduced-motion:no-preference){
  .reveal{animation:reveal .7s var(--ease) backwards}
  .reveal:nth-child(2){animation-delay:.06s}
  .reveal:nth-child(3){animation-delay:.12s}
  .reveal:nth-child(4){animation-delay:.18s}
  .reveal:nth-child(5){animation-delay:.24s}
  .reveal:nth-child(6){animation-delay:.30s}
  @keyframes reveal{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
}

.page-content{padding:46px 0 30px}
.page-content .prose{max-width:820px;margin:0 auto}
.page-content h1{font-size:clamp(2rem,4.4vw,3rem);margin-bottom:24px}