/* facturconforme.fr — feuille de style unique, partagée par toutes les pages.
   Aucune police ni ressource externe : la page Confidentialité l'affirme. */

:root{
  --bg:#ffffff; --bg-soft:#f7f6f3; --bg-hover:#efeeeb;
  --ink:#37352f; --ink-strong:#1f1e1b; --ink-soft:#787774; --line:#e9e9e7;
  --blue:#2383e2; --blue-bg:#e7f3f8;
  --green:#0f7b6c; --green-bg:#edf3ec;
  --orange:#d9730d; --orange-bg:#fbecdd;
  --purple:#6940a5; --purple-bg:#f4f0f7;
  --shadow:0 1px 2px rgba(15,15,15,.06),0 8px 28px rgba(15,15,15,.08);
  --btn-ink:#ffffff;
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#191919; --bg-soft:#202020; --bg-hover:#2a2a2a;
    --ink:#e3e2e0; --ink-strong:#f5f5f4; --ink-soft:#9b9a97; --line:#2f2f2f;
    --blue:#529cca; --blue-bg:#1f2e38;
    --green:#4dab9a; --green-bg:#1f2b28;
    --orange:#ffa344; --orange-bg:#35291d;
    --purple:#9a6dd7; --purple-bg:#2a2433;
    --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 28px rgba(0,0,0,.35);
    --btn-ink:#191919;
  }
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:72px}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font:16.5px/1.6 ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
}
a{color:inherit;text-decoration-color:var(--line);text-underline-offset:3px}
a:hover{text-decoration-color:currentColor}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px;border-radius:4px}
strong{font-weight:600;color:var(--ink-strong)}
h1,h2,h3{color:var(--ink-strong);line-height:1.15;margin:0 0 .5em}
p,ul{margin:0 0 1em}
img,svg{max-width:100%}

.container{max-width:1080px;margin:0 auto;padding:0 24px}
.narrow{max-width:720px;margin:0 auto;padding:0 24px}

/* ---------- Barre de navigation ---------- */
.nav{
  position:sticky;top:0;z-index:10;
  background:var(--bg);
  background:color-mix(in srgb,var(--bg) 86%,transparent);
  -webkit-backdrop-filter:saturate(180%) blur(12px);backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid transparent;
}
.nav.bordered{border-bottom-color:var(--line)}
.nav-inner{display:flex;align-items:center;gap:24px;height:60px}
.logo{display:flex;align-items:center;gap:9px;font-weight:650;color:var(--ink-strong);text-decoration:none;letter-spacing:-.01em}
.logo-mark{width:24px;height:24px;border-radius:6px;background:var(--ink-strong);color:var(--bg);
  display:grid;place-items:center;font-size:11px;font-weight:700;letter-spacing:0}
.nav-links{display:flex;gap:4px;margin-left:8px}
.nav-links a{padding:6px 10px;border-radius:6px;text-decoration:none;color:var(--ink-soft);font-size:.94rem}
.nav-links a:hover{background:var(--bg-hover);color:var(--ink)}
.nav-cta{margin-left:auto}
@media (max-width:760px){.nav-links{display:none}}

/* ---------- Boutons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:9px 16px;border-radius:8px;font-weight:550;font-size:.97rem;
  text-decoration:none;border:1px solid transparent;white-space:nowrap;cursor:pointer
}
.btn-dark{background:var(--ink-strong);color:var(--btn-ink)}
.btn-dark:hover{opacity:.86}
.btn-blue{background:var(--blue);color:#fff}
.btn-blue:hover{filter:brightness(1.08)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{background:var(--bg-hover)}
.btn-sm{padding:6px 12px;font-size:.9rem}
.btn-block{width:100%}

/* ---------- Étiquettes, façon propriétés Notion ---------- */
.tag{display:inline-flex;align-items:center;gap:5px;padding:1px 8px;border-radius:4px;
  font-size:.86rem;line-height:1.6;white-space:nowrap}
.tag-green{background:var(--green-bg);color:var(--green)}
.tag-blue{background:var(--blue-bg);color:var(--blue)}
.tag-orange{background:var(--orange-bg);color:var(--orange)}
.tag-purple{background:var(--purple-bg);color:var(--purple)}
.tag-grey{background:var(--bg-hover);color:var(--ink-soft)}

/* ---------- Hero ---------- */
.hero{padding:72px 0 0;text-align:center}
.hero h1{font-size:clamp(2.3rem,6.4vw,4rem);font-weight:750;letter-spacing:-.035em;max-width:13em;margin:0 auto .35em}
.hero .lead{font-size:clamp(1.05rem,2.2vw,1.25rem);color:var(--ink-soft);max-width:34em;margin:0 auto 28px}
.hero-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.hero-note{margin:18px 0 0;display:flex;gap:8px;justify-content:center;flex-wrap:wrap}

/* ---------- La fiche de commande ---------- */
.window{
  max-width:880px;margin:56px auto 0;text-align:left;
  background:var(--bg);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);overflow:hidden
}
.window-bar{display:flex;align-items:center;gap:7px;padding:10px 14px;border-bottom:1px solid var(--line);background:var(--bg-soft)}
.window-bar i{width:10px;height:10px;border-radius:50%;background:var(--line);display:block}
.window-bar span{margin-left:10px;font-size:.84rem;color:var(--ink-soft)}
.window-body{padding:34px clamp(20px,5vw,56px) 36px}
.page-icon{font-size:2.6rem;line-height:1;margin-bottom:10px}
.window-body h2{font-size:clamp(1.5rem,3.4vw,2rem);letter-spacing:-.02em;margin-bottom:18px}
.props{display:grid;grid-template-columns:minmax(120px,190px) 1fr;margin:0 0 22px}
.props dt,.props dd{margin:0;padding:6px 0;font-size:.95rem;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.props dt{color:var(--ink-soft)}
.props dd{color:var(--ink)}
@media (max-width:520px){
  .props{grid-template-columns:1fr}
  .props dt{padding-bottom:0}
  .props dd{padding-top:2px;padding-bottom:10px}
}
.window-foot{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding-top:18px;border-top:1px solid var(--line)}
.file{display:inline-flex;align-items:center;gap:10px;padding:7px 12px;border:1px solid var(--line);border-radius:8px;font-size:.92rem}
.file small{color:var(--ink-soft)}

/* ---------- Sections ---------- */
.section{padding:104px 0 0}
.section-head{max-width:640px;margin:0 0 40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section h2{font-size:clamp(1.8rem,4vw,2.6rem);font-weight:720;letter-spacing:-.03em}
.section-head p{color:var(--ink-soft);font-size:1.08rem;margin:0}

/* Calendrier */
.timeline{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}
.when{padding:24px;border-radius:10px;background:var(--bg-soft)}
.when .tag{margin-bottom:12px}
.when h3{font-size:1.5rem;letter-spacing:-.02em;margin-bottom:8px}
.when p{margin:0;color:var(--ink)}
.source{margin-top:14px;font-size:.9rem;color:var(--ink-soft)}

/* Fonctionnalités */
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:0 36px}
.feature{padding:24px 0;border-top:1px solid var(--line)}
.feature .emoji{font-size:1.5rem;line-height:1;display:block;margin-bottom:12px}
.feature h3{font-size:1.08rem;margin-bottom:6px}
.feature p{margin:0;color:var(--ink-soft)}

/* Encadrés */
.callout{display:flex;gap:14px;padding:18px 20px;border-radius:8px;background:var(--bg-soft);margin:0 0 14px}
.callout .emoji{font-size:1.3rem;line-height:1.5;flex:none}
.callout > div > :last-child{margin-bottom:0}
.callout-orange{background:var(--orange-bg)}
.callout-orange strong{color:inherit}
.callout ul{padding-left:1.1em}
.callout li{margin-bottom:.35em}
.split{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:16px;align-items:start}

/* Tarifs */
.pricing{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;align-items:stretch}
.plan{display:flex;flex-direction:column;padding:26px;border:1px solid var(--line);border-radius:12px;background:var(--bg)}
.plan.featured{border-color:var(--blue);box-shadow:0 0 0 1px var(--blue)}
.plan-top{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:6px}
.plan h3{font-size:1.1rem;margin:0}
.plan .for{color:var(--ink-soft);font-size:.94rem;margin:0 0 18px}
.amount{font-size:2.4rem;font-weight:720;letter-spacing:-.03em;color:var(--ink-strong);line-height:1;margin:0 0 20px}
.amount small{font-size:.95rem;font-weight:450;color:var(--ink-soft);letter-spacing:0}
.plan ul{list-style:none;padding:0;margin:0 0 24px;flex:1}
.plan li{position:relative;padding-left:24px;margin-bottom:9px;font-size:.95rem}
.plan li::before{content:"";position:absolute;left:3px;top:.45em;width:9px;height:5px;
  border-left:2px solid var(--green);border-bottom:2px solid var(--green);transform:rotate(-45deg)}
.pricing-notes{margin-top:22px;color:var(--ink-soft);font-size:.93rem;text-align:center}
.pricing-notes p{margin:0 0 .4em}

/* FAQ, façon blocs dépliables */
.faq{max-width:760px;margin:0 auto}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:16px 4px 16px 30px;position:relative;font-weight:560;color:var(--ink-strong)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"";position:absolute;left:8px;top:1.4em;border:5px solid transparent;border-left:7px solid var(--ink-soft);
  transition:transform .15s}
.faq details[open] summary::before{transform:rotate(90deg);transform-origin:3px 5px}
.faq details > div{padding:0 4px 18px 30px;color:var(--ink)}
.faq details > div p:last-child{margin-bottom:0}
@media (prefers-reduced-motion: reduce){.faq summary::before{transition:none}}

/* Éditeur */
.publisher{display:flex;gap:18px;align-items:flex-start;padding:24px;border-radius:12px;background:var(--bg-soft)}
.avatar{width:48px;height:48px;border-radius:50%;background:var(--ink-strong);color:var(--bg);
  display:grid;place-items:center;font-weight:650;flex:none}
.publisher p{margin:0 0 .4em}
.publisher .muted{color:var(--ink-soft);font-size:.93rem;margin:0}

/* Bandeau final */
.final{margin:104px 0 0;padding:64px 24px;text-align:center;border-radius:16px;background:var(--bg-soft)}
.final h2{font-size:clamp(1.7rem,3.8vw,2.4rem);letter-spacing:-.03em}
.final p{color:var(--ink-soft);margin:0 auto 24px;max-width:32em}

/* ---------- Pied de page ---------- */
.footer{margin-top:104px;border-top:1px solid var(--line);padding:44px 0 56px;font-size:.93rem}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px}
@media (max-width:640px){.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1 / -1}}
.footer h4{margin:0 0 10px;font-size:.93rem;color:var(--ink-strong);font-weight:600}
.footer ul{list-style:none;padding:0;margin:0}
.footer li{margin-bottom:7px}
.footer a{color:var(--ink-soft);text-decoration:none}
.footer a:hover{color:var(--ink)}
.footer-brand p{color:var(--ink-soft);margin:12px 0 0;max-width:24em}

/* ---------- Pages de texte (légal) ---------- */
.doc{padding:64px 0 0}
.doc .page-icon{font-size:3rem}
.doc h1{font-size:clamp(2rem,5vw,2.6rem);font-weight:720;letter-spacing:-.03em;margin-bottom:.3em}
.doc .meta{color:var(--ink-soft);margin-bottom:36px}
.doc h2{font-size:1.35rem;letter-spacing:-.015em;margin:2em 0 .5em}
.doc ul{padding-left:1.2em}
.doc li{margin-bottom:.45em}
.doc a{text-decoration-color:var(--ink-soft)}

/* ---------- Guides ---------- */
.crumbs{font-size:.9rem;color:var(--ink-soft);margin:0 0 18px}
.crumbs a{color:var(--ink-soft)}
.lede{font-size:1.15rem;color:var(--ink-soft);margin:0 0 28px}
.toc{padding:16px 20px;border-radius:8px;background:var(--bg-soft);margin:0 0 8px}
.toc p{margin:0 0 6px;font-weight:600;color:var(--ink-strong)}
.toc ol{margin:0;padding-left:1.3em}
.toc li{margin-bottom:3px}
.doc h3{font-size:1.08rem;margin:1.6em 0 .4em}
.doc code{font:.88em/1.5 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:var(--bg-hover);
  padding:.1em .35em;border-radius:4px;color:var(--ink-strong)}
.doc pre{margin:0 0 1.1em;padding:14px 16px;border-radius:8px;background:var(--bg-soft);border:1px solid var(--line);
  overflow-x:auto;font:.84rem/1.55 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:var(--ink-strong)}
.doc pre code{background:none;padding:0;font-size:inherit}
.pair{display:grid;grid-template-columns:1fr;gap:10px;margin:0 0 1.1em}
.pair pre{margin:0}
.label{display:block;font-size:.86rem;color:var(--ink-soft);margin:0 0 4px}
.doc table{width:100%;border-collapse:collapse;margin:0 0 1.1em;font-size:.95rem}
.doc th,.doc td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}
.doc th{color:var(--ink-soft);font-weight:550}
.table-wrap{overflow-x:auto}
.articles{list-style:none;padding:0;margin:0}
.articles li{padding:20px 0;border-top:1px solid var(--line);margin:0}
.articles a{font-weight:600;color:var(--ink-strong);font-size:1.12rem;text-decoration:none}
.articles a:hover{text-decoration:underline}
.articles p{margin:6px 0 0;color:var(--ink-soft)}
.updated{font-size:.9rem;color:var(--ink-soft)}