/* dialtheo.com — feuille de style des pages éditoriales (expertises, à propos).
   Mêmes jetons que la page d'accueil ; rythme adapté à la lecture longue. */

:root{
  --ink:#101511; --ink-soft:#1b241c; --cream:#f5f4ee; --bone:#e9eae2;
  --muted:#69736a; --acid:#d9f48b; --line:rgba(16,21,17,.16);
  --page:760px; --gutter:clamp(22px,5.1vw,64px);
  --sans:'DM Sans',Inter,'Arial Nova',Arial,sans-serif;
  --serif:'Instrument Serif',Georgia,serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--ink);font-family:var(--sans);
  font-size:17px;line-height:1.72;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto}
a{color:inherit}
.wrap{width:min(var(--page),100% - 2*var(--gutter));margin-inline:auto}
.wide{width:min(1080px,100% - 2*var(--gutter));margin-inline:auto}

/* ---------- entête ---------- */
.top{position:sticky;top:0;z-index:50;background:rgba(245,244,238,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top .bar{display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;
  font-size:13px;letter-spacing:.18em;font-weight:600}
.logo-mark{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;
  background:var(--ink);color:var(--acid)}
.logo-mark svg{width:14px;height:14px}
.top nav{display:flex;align-items:center;gap:22px;font-size:14px}
.top nav a{text-decoration:none;padding-bottom:2px;border-bottom:1px solid transparent}
.top nav a:hover,.top nav a[aria-current="page"]{border-bottom-color:var(--ink)}
.btn{display:inline-flex;align-items:center;gap:9px;text-decoration:none;
  padding:12px 20px;border-radius:999px;background:var(--ink);color:var(--cream);
  font-size:14px;font-weight:500;transition:transform .18s ease,background .18s ease}
.btn:hover{transform:translateY(-1px);background:var(--ink-soft)}
.btn-acid{background:var(--acid);color:var(--ink)}
.btn-acid:hover{background:#cdeb74}
.btn svg{width:15px;height:15px}

/* ---------- ouverture ---------- */
.hero{padding:clamp(52px,7vw,88px) 0 clamp(38px,5vw,58px)}
.kicker{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);
  margin:0 0 18px}
h1{font-family:var(--serif);font-weight:400;font-size:clamp(38px,6.2vw,64px);
  line-height:1.04;letter-spacing:-.015em;margin:0 0 24px}
h1 em{font-style:italic}
.lede{font-size:clamp(17px,2vw,20px);line-height:1.62;color:var(--ink-soft);
  max-width:62ch;margin:0}
.meta{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:26px;font-size:12px;
  letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}

/* ---------- sections ---------- */
section{padding:clamp(34px,4.6vw,58px) 0}
h2{font-family:var(--serif);font-weight:400;font-size:clamp(27px,3.6vw,38px);
  line-height:1.14;margin:0 0 18px;letter-spacing:-.01em}
h3{font-size:17px;font-weight:600;margin:0 0 6px;letter-spacing:-.005em}
p{margin:0 0 16px}
ul,ol{margin:0 0 16px;padding-left:1.15em}
li{margin-bottom:8px}
strong{font-weight:600}
.small{font-size:14px;color:var(--muted)}
hr.rule{border:0;border-top:1px solid var(--line);margin:0}

/* cartes de situations */
.cards{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  margin-top:22px}
.card{border:1px solid var(--line);border-radius:14px;padding:22px 22px 18px;
  background:rgba(255,255,255,.42)}
.card p{margin:0;font-size:15px;line-height:1.62;color:var(--ink-soft)}

/* liste de questions */
.questions{list-style:none;padding:0;margin:18px 0 0;counter-reset:q}
.questions li{counter-increment:q;position:relative;padding:13px 0 13px 44px;
  border-bottom:1px solid var(--line);font-size:16px}
.questions li:last-child{border-bottom:0}
.questions li::before{content:counter(q,decimal-leading-zero);position:absolute;left:0;
  top:15px;font-size:11px;letter-spacing:.12em;color:var(--muted)}

/* méthode */
.steps{counter-reset:s;display:grid;gap:0;margin-top:20px}
.step{display:grid;grid-template-columns:52px 1fr;gap:18px;padding:20px 0;
  border-top:1px solid var(--line)}
.step:last-child{border-bottom:1px solid var(--line)}
.step::before{counter-increment:s;content:counter(s,decimal-leading-zero);
  font-size:12px;letter-spacing:.1em;color:var(--muted);padding-top:3px}
.step h3{margin-bottom:4px}
.step p{margin:0;font-size:15px;color:var(--ink-soft)}

/* FAQ */
details{border-top:1px solid var(--line);padding:16px 0}
details:last-of-type{border-bottom:1px solid var(--line)}
summary{cursor:pointer;font-weight:500;font-size:16px;list-style:none;
  display:flex;justify-content:space-between;gap:16px;align-items:baseline}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:19px;line-height:1;color:var(--muted)}
details[open] summary::after{content:"–"}
details p{margin:12px 0 0;font-size:15px;color:var(--ink-soft)}

/* encadré de conversion */
.cta{margin:clamp(34px,5vw,56px) 0;padding:clamp(26px,4vw,40px);
  border-radius:18px;background:var(--ink);color:var(--cream)}
.cta h2{color:var(--cream);margin-bottom:10px}
.cta p{color:rgba(245,244,238,.78);max-width:56ch}
.cta .btn{margin-top:8px}
.cta .small{color:rgba(245,244,238,.55)}

/* encadré de transparence */
.note{border-left:2px solid var(--acid);padding:2px 0 2px 18px;margin:22px 0;
  font-size:15px;color:var(--ink-soft)}

/* fil d'ariane */
.crumb{font-size:12px;letter-spacing:.06em;color:var(--muted);padding-top:18px}
.crumb a{text-decoration:none}
.crumb a:hover{text-decoration:underline}

/* pied */
footer.site{margin-top:clamp(40px,6vw,72px);border-top:1px solid var(--line);
  padding:34px 0 40px;font-size:13px;color:var(--muted)}
footer.site .row{display:flex;flex-wrap:wrap;gap:14px 26px;justify-content:space-between}
footer.site a{text-decoration:none}
footer.site a:hover{text-decoration:underline}

@media (max-width:640px){
  .top nav{gap:14px;font-size:13px}
  .top nav .hide-sm{display:none}
  .step{grid-template-columns:34px 1fr;gap:12px}
  body{font-size:16px}
}

/* ---------- maillage entre pages ---------- */
.cross{padding:0 0 96px}
.cross-kicker{font-size:11px;text-transform:uppercase;letter-spacing:.18em;color:var(--muted);
  font-weight:700;margin:0 0 18px}
.cross-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.cross-card{display:flex;flex-direction:column;gap:9px;padding:26px 24px;border:1px solid var(--line);
  border-radius:14px;text-decoration:none;background:#fff;color:var(--ink);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease}
.cross-card:hover{transform:translateY(-2px);border-color:var(--ink);box-shadow:0 16px 36px rgba(16,21,17,.07)}
.cross-card span{font-size:10px;text-transform:uppercase;letter-spacing:.16em;color:var(--muted);font-weight:700}
.cross-card strong{font-size:19px;line-height:1.25;letter-spacing:-.02em}
.cross-card small{font-size:13.5px;line-height:1.55;color:#5f6b60}
@media(max-width:860px){.cross-grid{grid-template-columns:1fr}.cross{padding-bottom:70px}}