/* AINERIA - page de presentation (version "registre") : bleu marine profond, or et brun, grille editoriale.
   Feuille autonome : aucune ressource externe, polices auto-hebergees. */

@font-face{font-family:"Inter";src:url("/fonts/inter.woff2") format("woff2");font-weight:100 900;font-style:normal;font-display:swap}
@font-face{font-family:"Playfair Display";src:url("/fonts/playfair.woff2") format("woff2");font-weight:100 900;font-style:normal;font-display:swap}
@font-face{font-family:"Playfair Display";src:url("/fonts/playfair-italic.woff2") format("woff2");font-weight:100 900;font-style:italic;font-display:swap}

:root{
  --navy-950:#050b20;
  --navy-900:#0a1636;
  --navy-700:#172b75;
  --navy-600:#223a8f;
  --gold:#b8893f;
  --gold-light:#d4a95a;
  --gold-dark:#8a6128;
  --gold-pale:#efe2c7;
  --brown:#4a3320;
  --brown-soft:#6b5238;
  --sand:#f3eee3;
  --ivory:#faf7f0;
  --line:#e3dac6;
  --line-dark:rgba(212,169,90,.28);
  --text:#1a1d2b;
  --muted:#5c5a52;
  --serif:"Playfair Display",Georgia,"Times New Roman",serif;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --wrap:1180px;
  --gutter:clamp(18px,4vw,40px);
  --radius:6px;
  --ease:cubic-bezier(.2,.7,.2,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}
body{margin:0;font-family:var(--sans);font-size:17px;line-height:1.6;color:var(--text);background:var(--ivory);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{display:block;max-width:100%}
img{height:auto}
a{color:var(--navy-700);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--gold-dark)}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:2px}
h1,h2,h3{font-family:var(--serif);font-weight:500;letter-spacing:-.01em;margin:0;line-height:1.1;color:var(--navy-900)}
h1 em,h2 em{font-style:italic;font-weight:400;color:var(--gold-dark)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
figure{margin:0}
.wrap{width:min(var(--wrap),100% - 2*var(--gutter));margin-inline:auto}
.skip{position:absolute;left:-999px;top:8px;background:var(--navy-900);color:#fff;padding:10px 16px;z-index:100}
.skip:focus{left:8px}

/* ---------- Boutons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-family:var(--sans);font-weight:600;font-size:.95rem;letter-spacing:.01em;padding:14px 26px;border-radius:var(--radius);text-decoration:none;border:1px solid transparent;transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease)}
.btn:hover{transform:translateY(-1px)}
.btn.gold{background:linear-gradient(180deg,var(--gold-light),var(--gold));color:var(--navy-950);border-color:var(--gold-dark);box-shadow:0 1px 0 rgba(255,255,255,.35) inset,0 8px 24px -10px rgba(184,137,63,.6)}
.btn.gold:hover{background:linear-gradient(180deg,#dfb86a,#c4954a);color:var(--navy-950)}
.btn.ghost{background:transparent;color:#fff;border-color:rgba(212,169,90,.55)}
.btn.ghost:hover{border-color:var(--gold-light);color:var(--gold-light);background:rgba(212,169,90,.06)}
.btn.navy{background:var(--navy-900);color:#fff;border-color:var(--navy-900)}
.btn.navy:hover{background:var(--navy-700);color:#fff}

/* ---------- Etiquettes, numeros ---------- */
.eyebrow{font-family:var(--sans);font-size:.78rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--gold-dark);display:flex;align-items:center;gap:12px;margin:0 0 14px}
.eyebrow .rule{display:inline-block;width:34px;height:1px;background:currentColor}
.eyebrow .idx{font-family:var(--serif);font-weight:500;letter-spacing:.02em;color:var(--brown);border:1px solid var(--gold);border-radius:3px;padding:2px 7px;font-size:.78rem;line-height:1.2}
.eyebrow.gold{color:var(--gold-light)}
.num{font-family:var(--serif);font-weight:300;font-size:clamp(2.6rem,5vw,4.2rem);line-height:.9;color:var(--gold);letter-spacing:-.02em;font-variant-numeric:lining-nums}
.lead{font-size:1.15rem;line-height:1.65;color:var(--brown-soft);max-width:60ch}
.small{font-size:.9rem;color:var(--muted)}
.legal{font-size:.86rem;line-height:1.6;color:var(--muted);max-width:78ch;border-top:1px solid var(--line);padding-top:16px;margin-top:40px}
.legal a{color:var(--gold-dark)}

/* ---------- En-tete / navigation ---------- */
header.top{position:sticky;top:0;z-index:50;background:var(--navy-950);border-bottom:1px solid var(--line-dark);display:flex;align-items:center;gap:24px;padding:0 var(--gutter);height:72px;box-shadow:0 1px 0 rgba(212,169,90,.08)}
header.top::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:linear-gradient(90deg,transparent,var(--gold) 20%,var(--gold) 80%,transparent)}
header.top .logo{display:flex;align-items:center;gap:12px;text-decoration:none;color:#fff}
header.top .logo img{border-radius:10px;box-shadow:0 0 0 1px rgba(212,169,90,.45)}
header.top .wordmark{font-family:var(--serif);font-weight:500;font-size:1.25rem;letter-spacing:.14em;color:var(--gold-light)}
nav.mainnav{display:flex;align-items:center;gap:6px;margin-left:auto}
.navgroup{position:relative}
.navtop,.navtop-btn{font-family:var(--sans);font-size:.92rem;font-weight:500;color:#e9e4d8;background:none;border:0;padding:10px 14px;cursor:pointer;text-decoration:none;border-radius:4px;display:inline-flex;align-items:center;gap:6px;transition:color .2s,background .2s}
.navtop:hover,.navtop-btn:hover{color:var(--gold-light);background:rgba(212,169,90,.08)}
.navtop-btn::after{content:"";width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:translateY(-2px) rotate(45deg);opacity:.8}
.navgroup.open .navtop-btn{color:var(--gold-light)}
.dropdown{display:none;position:absolute;top:calc(100% + 10px);left:0;min-width:300px;background:var(--navy-900);border:1px solid var(--line-dark);border-top:2px solid var(--gold);border-radius:var(--radius);padding:8px;box-shadow:0 24px 50px -20px rgba(5,11,32,.8)}
.navgroup.open .dropdown{display:block}
.dropdown a{display:block;padding:10px 12px;color:#fff;text-decoration:none;border-radius:4px;font-size:.93rem;font-weight:500}
.dropdown a small{display:block;font-weight:400;color:#b9b29f;font-size:.8rem;margin-top:2px}
.dropdown a:hover{background:rgba(212,169,90,.1);color:var(--gold-light)}
.btn.navcta{margin-left:14px;padding:11px 20px;background:transparent;color:var(--gold-light);border-color:var(--gold)}
.btn.navcta:hover{background:var(--gold);color:var(--navy-950)}
.burger{display:none;margin-left:auto;width:44px;height:44px;background:none;border:1px solid var(--line-dark);border-radius:4px;cursor:pointer;padding:10px;flex-direction:column;justify-content:center;gap:5px}
.burger span{display:block;height:1.5px;background:var(--gold-light)}

/* ---------- Hero ---------- */
.hero{position:relative;background:radial-gradient(1200px 600px at 85% -10%,rgba(23,43,117,.55),transparent 60%),linear-gradient(180deg,var(--navy-950) 0%,var(--navy-900) 100%);color:#fff;overflow:hidden;padding:clamp(56px,8vw,104px) 0 clamp(60px,8vw,104px)}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,transparent,var(--gold-light),transparent)}
.filigree{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:clamp(32px,5vw,64px);align-items:center}
.hero h1{font-size:clamp(2.3rem,4vw,3.35rem);color:#fff;font-weight:500;line-height:1.08;margin-bottom:22px}
.hero h1 em{color:var(--gold-light)}
.hero .lead{color:#cfc9bb;margin-bottom:34px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.stores{margin-top:18px;font-size:.86rem;color:#a8a293}
.trust{margin-top:30px;display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line-dark);border-radius:var(--radius);overflow:hidden;background:rgba(5,11,32,.45)}
.trust li{display:flex;align-items:center;gap:10px;padding:12px 16px;font-size:.88rem;color:#e9e4d8;border-right:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark)}
.trust li:nth-child(2n){border-right:0}
.trust li:nth-last-child(-n+2){border-bottom:0}
.trust svg{color:var(--gold-light);flex:none}
.hero-visual{position:relative}
.hero-frame{transform:rotate(0)}
.note{position:absolute;display:flex;align-items:center;gap:12px;background:var(--ivory);color:var(--navy-900);border:1px solid var(--gold);border-left:3px solid var(--gold);border-radius:var(--radius);padding:10px 16px 10px 12px;font-size:.84rem;line-height:1.3;box-shadow:0 20px 40px -18px rgba(5,11,32,.8)}
.note b{display:block;font-family:var(--serif);font-weight:600;font-size:.98rem;color:var(--navy-900)}
.note span:last-child{color:var(--brown-soft)}
.note .ic{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--navy-900);color:var(--gold-light);flex:none}
.n1{left:-28px;bottom:14%}
.n2{right:-20px;top:12%}

/* ---------- Cadres de capture ---------- */
.frame{position:relative;background:#fff;border:1px solid var(--gold);border-radius:8px;overflow:hidden;box-shadow:0 0 0 6px rgba(212,169,90,.08),0 40px 70px -30px rgba(5,11,32,.75)}
.frame .bar{display:flex;align-items:center;gap:7px;height:38px;padding:0 14px;background:var(--navy-900);border-bottom:1px solid var(--gold-dark)}
.frame .bar i{width:10px;height:10px;border-radius:50%;border:1px solid var(--gold-light);background:transparent}
.frame .bar i:first-child{background:var(--gold-light)}
.frame .bar span{margin-left:auto;font-family:var(--sans);font-size:.75rem;letter-spacing:.06em;color:#cdbf9c;text-transform:lowercase}
.frame img{width:100%;height:auto;aspect-ratio:1600/1000;object-fit:cover;display:block}

/* ---------- Bandeau de confiance ---------- */
.strip{background:var(--sand);border-bottom:1px solid var(--line)}
.strip-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.strip-grid>div{display:flex;align-items:center;gap:12px;padding:20px 18px;font-size:.9rem;font-weight:500;color:var(--brown);border-left:1px solid var(--line)}
.strip-grid>div:first-child{border-left:0}
.strip-grid svg{color:var(--gold-dark);flex:none}

/* ---------- Sommaire ---------- */
.toc{background:var(--ivory);border-bottom:1px solid var(--line)}
.toc .wrap{display:flex;align-items:stretch;gap:0}
.toc-title{font-family:var(--serif);font-style:italic;font-size:1rem;color:var(--brown);padding:16px 22px 16px 0;border-right:1px solid var(--line);display:flex;align-items:center;flex:none}
.toc ol{display:flex;flex-wrap:wrap;flex:1}
.toc li a{display:flex;align-items:center;gap:8px;padding:16px 18px;font-size:.84rem;font-weight:500;color:var(--navy-900);text-decoration:none;border-right:1px solid var(--line);white-space:nowrap;transition:background .2s,color .2s}
.toc li:last-child a{border-right:0}
.toc li a .n{font-family:var(--serif);color:var(--gold-dark);font-size:.9rem;font-weight:500}
.toc li a:hover{background:var(--sand);color:var(--gold-dark)}

/* ---------- Sections ---------- */
.sec,.final{scroll-margin-top:84px}
.sec{padding:clamp(64px,8vw,112px) 0}
.sec.sand{background:var(--sand);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.shead{display:grid;grid-template-columns:auto 1fr;gap:clamp(18px,3vw,40px);align-items:start;padding-top:22px;border-top:1px solid var(--gold);margin-bottom:clamp(36px,5vw,64px);position:relative}
.shead::before{content:"";position:absolute;top:-1px;left:0;width:72px;height:3px;background:var(--gold)}
.shead h2{font-size:clamp(1.9rem,3.6vw,3rem);max-width:22ch}
.shead .lead{margin-top:18px}
.shead .more{margin-top:22px}
.shead .more a{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:.92rem;text-decoration:none;color:var(--gold-dark);border-bottom:1px solid var(--gold)}

/* 01 Etapes */
.steps{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;counter-reset:etape}
.steps li{position:relative;padding:34px 28px 36px;border-right:1px solid var(--line)}
.steps li:last-child{border-right:0}
.steps li::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,var(--gold),var(--gold-light))}
.steps .sn{display:inline-block;font-family:var(--serif);font-weight:400;font-size:2.4rem;line-height:1;color:var(--gold);margin-bottom:22px;letter-spacing:.04em}
.steps h3{font-size:1.28rem;margin-bottom:12px}
.steps p{font-size:.95rem;color:var(--brown-soft);line-height:1.6}

/* 02 Fonctionnalites */
.feat{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(32px,5vw,72px);align-items:center;padding:clamp(28px,4vw,56px) 0;border-top:1px solid var(--line)}
.feat:first-of-type{border-top:0;padding-top:0}
.feat.rev .txt{order:2}
.feat h3{font-size:clamp(1.5rem,2.4vw,2rem);margin-bottom:16px}
.feat .txt p{color:var(--brown-soft)}
.ticks{margin-top:22px;display:grid;gap:10px}
.ticks li{display:flex;gap:12px;align-items:flex-start;font-size:.97rem;color:var(--text);padding:10px 0;border-top:1px solid var(--line)}
.ticks li:first-child{border-top:0}
.ticks svg{flex:none;margin-top:4px;color:var(--gold-dark);width:18px;height:18px;border:1px solid var(--gold);border-radius:50%;padding:3px}
.registre{margin-top:clamp(40px,5vw,64px);display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:#fff;border-radius:var(--radius);overflow:hidden}
.registre .cell{padding:26px 24px;border-right:1px solid var(--line);display:grid;gap:10px;align-content:start}
.registre .cell:last-child{border-right:0}
.registre svg{color:var(--gold-dark)}
.registre b{font-family:var(--serif);font-weight:600;font-size:1.1rem;color:var(--navy-900)}
.registre span{font-size:.9rem;color:var(--brown-soft);line-height:1.55}

/* 03 Cabinets (section sombre) */
.sec.dark{background:linear-gradient(180deg,var(--navy-950),var(--navy-900) 50%,var(--navy-950));color:#fff;position:relative}
.sec.dark::before,.sec.dark::after{content:"";position:absolute;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--gold-light),transparent)}
.sec.dark::before{top:0}.sec.dark::after{bottom:0}
.sec.dark .shead{border-top-color:rgba(212,169,90,.5)}
.sec.dark h2,.sec.dark h3{color:#fff}
.sec.dark h2 em{color:var(--gold-light)}
.sec.dark .lead{color:#cfc9bb}
.sec.dark .ticks li{color:#e9e4d8;border-top-color:var(--line-dark)}
.sec.dark .ticks svg{color:var(--gold-light);border-color:var(--gold)}
.sec.dark .small{color:#a8a293;margin:20px 0 24px;border-left:2px solid var(--gold-dark);padding-left:12px}
.cab-grid{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:clamp(32px,5vw,72px);align-items:start}
.cab-visual{position:relative;padding-bottom:22%;padding-right:8%}
.cab-visual .frame{box-shadow:0 0 0 6px rgba(212,169,90,.07),0 40px 70px -30px rgba(0,0,0,.9)}
.cab-visual .frame-2{position:absolute;left:22%;right:0;bottom:0;width:auto}
.sheet{margin-top:clamp(40px,5vw,64px);background:#fff;color:var(--text);border:1px solid var(--gold);border-radius:8px;overflow:hidden;box-shadow:0 0 0 6px rgba(212,169,90,.07),0 30px 60px -30px rgba(0,0,0,.9)}
.sheet .tt{display:flex;gap:0;background:var(--sand);border-bottom:1px solid var(--line);font-size:.8rem;font-family:var(--sans)}
.sheet .tab{padding:10px 18px;border-right:1px solid var(--line);color:var(--navy-900);font-weight:600;background:#fff;border-bottom:2px solid var(--gold);margin-bottom:-1px}
.sheet .tab.muted{background:transparent;color:var(--muted);font-weight:400;border-bottom:0;font-style:italic}
.sheet .scroll{overflow-x:auto}
.sheet table{width:100%;border-collapse:collapse;font-size:.84rem;font-variant-numeric:tabular-nums;min-width:720px}
.sheet th{font-family:var(--sans);font-size:.7rem;letter-spacing:.1em;font-weight:600;color:var(--brown);text-align:left;padding:10px 14px;background:var(--sand);border:1px solid var(--line);border-top:0}
.sheet td{padding:9px 14px;border:1px solid var(--line);color:var(--text);white-space:nowrap}
.sheet tr>*:first-child{border-left:0}.sheet tr>*:last-child{border-right:0}
.sheet .n{text-align:right;font-variant-numeric:tabular-nums}
.sheet tbody tr:nth-child(odd) td{background:#fdfbf6}
.sheet .st{display:inline-block;font-size:.72rem;font-weight:600;letter-spacing:.04em;padding:2px 8px;border-radius:3px;border:1px solid}
.sheet .st.av{color:var(--gold-dark);border-color:var(--gold);background:var(--gold-pale)}
.sheet .st.ok{color:#1f5a3a;border-color:#8fbf9f;background:#e9f4ec}
.sheet .cap{padding:12px 18px;font-size:.82rem;color:var(--muted);border-top:1px solid var(--line);background:var(--ivory);font-style:italic}

/* 04 Facturation electronique */
.timeline{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;position:relative}
.timeline::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,var(--gold),var(--gold-light))}
.tl-card{padding:40px 36px 36px;border-right:1px solid var(--line);position:relative}
.tl-card:last-child{border-right:0}
.tl-card .tag{display:inline-block;font-size:.74rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-dark);border:1px solid var(--gold);border-radius:3px;padding:4px 10px;margin-bottom:22px}
.tl-card .date{font-family:var(--serif);font-size:clamp(1.8rem,3vw,2.5rem);font-weight:500;color:var(--navy-900);line-height:1.05;margin-bottom:14px;letter-spacing:-.01em}
.tl-card .date sup{font-size:.45em;vertical-align:super;color:var(--gold-dark)}
.tl-card p:last-child{color:var(--brown-soft);max-width:44ch}
.tl-card em{font-style:italic;color:var(--navy-900);font-family:var(--serif);font-size:1.05em}

/* 05 Securite */
.cards3{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.card{padding:36px 30px;border-right:1px solid var(--line)}
.card:last-child{border-right:0}
.card .ico{width:50px;height:50px;border:1px solid var(--gold);border-radius:50%;display:grid;place-items:center;color:var(--gold-dark);margin-bottom:22px;background:var(--ivory)}
.card h3{font-size:1.3rem;margin-bottom:12px}
.card p{font-size:.95rem;color:var(--brown-soft)}

/* 06 FAQ */
.faq-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(32px,5vw,80px);align-items:start}
.faq-grid .shead{margin-bottom:0}
.faq{border-top:1px solid var(--gold)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 4px;font-family:var(--serif);font-size:1.18rem;font-weight:500;color:var(--navy-900);transition:color .2s}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:none;width:12px;height:12px;border-right:1px solid var(--gold-dark);border-bottom:1px solid var(--gold-dark);transform:rotate(45deg);transition:transform .25s var(--ease);margin-right:6px}
.faq details[open] summary::after{transform:rotate(-135deg)}
.faq summary:hover{color:var(--gold-dark)}
.faq details p{padding:0 40px 22px 4px;color:var(--brown-soft);font-size:.97rem}

/* 07 Appel final */
.final{position:relative;background:linear-gradient(180deg,var(--navy-950),var(--navy-900));color:#fff;padding:clamp(72px,9vw,120px) 0;text-align:center;overflow:hidden}
.final::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 300px at 50% 120%,rgba(184,137,63,.25),transparent 70%)}
.final .wrap{position:relative;display:grid;justify-items:center;gap:18px}
.final .num{color:var(--gold);font-size:1.5rem;letter-spacing:.2em;border:1px solid var(--gold-dark);border-radius:50%;width:56px;height:56px;display:grid;place-items:center;font-weight:400}
.final h2{color:#fff;font-size:clamp(2rem,4vw,3.2rem);max-width:18ch}
.final h2 em{color:var(--gold-light)}
.final p{color:#cfc9bb;font-size:1.1rem}
.final .cta-row{justify-content:center;margin-top:8px}

/* ---------- Pied de page ---------- */
footer{background:var(--navy-950);color:#b9b29f;border-top:1px solid var(--gold-dark);font-size:.9rem}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding:56px 0 40px}
.foot-brand img{border-radius:8px;box-shadow:0 0 0 1px rgba(212,169,90,.45);margin-bottom:16px}
.foot-brand p{max-width:40ch;line-height:1.6}
.foot-h{font-family:var(--serif);color:var(--gold-light);font-size:1rem;margin-bottom:12px;letter-spacing:.04em}
.foot-col a{display:block;color:#e9e4d8;text-decoration:none;padding:5px 0;border-bottom:1px solid transparent}
.foot-col a:hover{color:var(--gold-light)}
.foot-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:18px 0 28px;border-top:1px solid var(--line-dark);font-size:.82rem;color:#8f8a7c}

/* ---------- Responsive ---------- */
@media (max-width:1100px){
  .steps{grid-template-columns:1fr 1fr}
  .steps li:nth-child(2n){border-right:0}
  .steps li:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .registre{grid-template-columns:1fr 1fr}
  .registre .cell:nth-child(2n){border-right:0}
  .registre .cell:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .strip-grid{grid-template-columns:1fr 1fr}
  .strip-grid>div:nth-child(3){border-left:0}
  .strip-grid>div:nth-child(-n+2){border-bottom:1px solid var(--line)}
}
@media (max-width:960px){
  .hero-grid{grid-template-columns:1fr}
  .hero-visual{margin-top:56px;padding:0 0 0 0}
  .n1{left:8px;bottom:-18px}
  .n2{right:8px;top:-36px}
  .feat,.feat.rev{grid-template-columns:1fr}
  .feat.rev .txt{order:0}
  .cab-grid{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr}
  .cards3{grid-template-columns:1fr}
  .card{border-right:0;border-bottom:1px solid var(--line)}
  .card:last-child{border-bottom:0}
  .foot-grid{grid-template-columns:1fr 1fr}
  .toc .wrap{flex-direction:column}
  .toc-title{border-right:0;border-bottom:1px solid var(--line);padding:14px 0}
  .toc ol{width:100%}
}
@media (max-width:900px){
  header.top{height:64px}
  header.top .wordmark{display:none}
  .burger{display:flex}
  nav.mainnav{display:none;position:absolute;left:0;right:0;top:64px;flex-direction:column;align-items:stretch;gap:0;background:var(--navy-950);border-bottom:1px solid var(--gold);padding:8px var(--gutter) 18px;max-height:calc(100vh - 64px);overflow:auto;box-shadow:0 30px 50px -20px rgba(0,0,0,.8)}
  nav.mainnav.show{display:flex}
  .navgroup{border-bottom:1px solid var(--line-dark)}
  .navtop,.navtop-btn{width:100%;justify-content:space-between;padding:14px 4px;font-size:1rem}
  .dropdown{position:static;min-width:0;border:0;border-top:0;padding:0 0 10px;box-shadow:none;background:transparent}
  .btn.navcta{margin:16px 0 0}
}
@media (max-width:640px){
  body{font-size:16px}
  .hero{padding-top:44px}
  .hero h1{font-size:2.15rem}
  .trust{grid-template-columns:1fr}
  .trust li{border-right:0;border-bottom:1px solid var(--line-dark)}
  .trust li:last-child{border-bottom:0}
  .cta-row .btn{width:100%}
  .hero-visual{margin-top:36px;padding-bottom:22px}
  .note{position:static;margin-top:12px;box-shadow:none}
  .n2{display:none}
  .strip-grid{grid-template-columns:1fr}
  .strip-grid>div{border-left:0;border-bottom:1px solid var(--line);padding:14px 0}
  .strip-grid>div:last-child{border-bottom:0}
  .toc ol{display:grid;grid-template-columns:1fr 1fr}
  .toc li a{height:100%;border-right:0;border-bottom:1px solid var(--line);padding:12px 8px;white-space:normal}
  .toc li:nth-child(odd) a{border-right:1px solid var(--line)}
  .toc li:last-child a{border-bottom:0}
  .shead{grid-template-columns:1fr;gap:10px}
  .shead .num{font-size:2.4rem}
  .steps{grid-template-columns:1fr}
  .steps li{border-right:0;border-bottom:1px solid var(--line);padding:28px 22px}
  .steps li:last-child{border-bottom:0}
  .registre{grid-template-columns:1fr}
  .registre .cell{border-right:0;border-bottom:1px solid var(--line)}
  .registre .cell:last-child{border-bottom:0}
  .cab-visual{padding:0}
  .cab-visual .frame-2{position:static;width:100%;margin-top:18px}
  .timeline{grid-template-columns:1fr}
  .tl-card{border-right:0;border-bottom:1px solid var(--line);padding:30px 24px}
  .tl-card:last-child{border-bottom:0}
  .foot-grid{grid-template-columns:1fr;gap:28px;padding:40px 0 28px}
  .faq summary{font-size:1.05rem}
  .faq details p{padding-right:24px}
}

/* ===== Section « Conçu par des experts-comptables » ===== */
.duo{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.duo>div{padding:36px 34px 30px;position:relative}
.duo>div::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,var(--gold),var(--gold-light))}
.duo>div+div{border-left:1px solid var(--line)}
.duo-tag{font-size:.74rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--gold-dark);margin:0 0 10px}
.duo h3{font-size:1.45rem;margin:0 0 6px}
.duo-note{margin:22px 0 0;padding:16px 20px;border-left:3px solid var(--gold);background:var(--sand);color:var(--brown-soft);font-size:.95rem}
@media (max-width:860px){.duo{grid-template-columns:1fr}.duo>div+div{border-left:0;border-top:1px solid var(--line)}}
/* pastille du hero : au-dessus de la capture, sans recouvrir les chiffres */
.n2{right:-20px;top:-26px}

/* Lettres nettes : pas de ligatures ni de variantes decoratives */
h1,h2,h3,h4,.num,.sn,.eyebrow{font-variant-ligatures:none;font-feature-settings:"liga" 0,"clig" 0,"dlig" 0}

/* Legende italique au-dessus de la capture + double contour dore */
.hero-cap{display:flex;align-items:center;gap:16px;margin:0 0 26px;color:var(--gold-light)}
.hero-cap span{flex:1;height:1px;background:linear-gradient(90deg,transparent,rgba(212,169,90,.65))}
.hero-cap span:last-child{background:linear-gradient(270deg,transparent,rgba(212,169,90,.65))}
.hero-cap em{font-family:var(--serif);font-style:italic;font-weight:500;font-size:1.25rem;letter-spacing:.01em;white-space:nowrap}
.hero-frame{outline:1px solid rgba(212,169,90,.38);outline-offset:10px}
.cab-visual .frame{outline:1px solid rgba(212,169,90,.3);outline-offset:8px}
.sec .frame,.sec.sand .frame{outline:1px solid rgba(184,137,63,.35);outline-offset:8px}
@media (max-width:860px){.hero-cap em{font-size:1.05rem}.hero-frame,.sec .frame{outline-offset:6px}}
.n2{top:auto;bottom:-26px;right:-18px}
@media (max-width:860px){.n2{bottom:auto;top:auto}}

/* ===== Registre sur plusieurs lignes + variante sombre (cabinets) ===== */
.registre .cell{border-bottom:1px solid var(--line)}
.registre .cell:nth-child(4n){border-right:0}
.registre .cell:nth-last-child(-n+4){border-bottom:0}
.registre.dk{background:rgba(255,255,255,.03);border-color:var(--line-dark);margin-top:clamp(40px,5vw,64px)}
.registre.dk .cell{border-color:var(--line-dark)}
.registre.dk b{color:#fff}
.registre.dk span{color:#cfc9bb}
.registre.dk svg{color:var(--gold-light)}
.cards3{margin-bottom:clamp(32px,4vw,48px)}
.hero .trust li{align-items:flex-start}
@media (max-width:980px){
  .registre .cell:nth-child(4n){border-right:1px solid var(--line)}
  .registre.dk .cell:nth-child(4n){border-right:1px solid var(--line-dark)}
  .registre .cell:nth-child(2n){border-right:0!important}
  .registre .cell:nth-last-child(-n+4){border-bottom:1px solid var(--line)}
  .registre.dk .cell:nth-last-child(-n+4){border-bottom:1px solid var(--line-dark)}
  .registre .cell:nth-last-child(-n+2){border-bottom:0!important}
}
@media (max-width:560px){
  .registre .cell{border-right:0!important;border-bottom:1px solid var(--line)!important}
  .registre.dk .cell{border-bottom-color:var(--line-dark)!important}
  .registre .cell:last-child{border-bottom:0!important}
}