/* solaviel.online — feuille de style unique, auto-hebergee.
   Aucune police distante, aucune ressource tierce, aucun suivi. */

:root{
  --bg:#f5f8fc;
  --surface:#ffffff;
  --soft:#eef3fa;
  --ink:#152039;
  --muted:#55637d;
  --line:#dce4ef;
  --brand:#1b4f9c;
  --brand-dark:#12376e;
  --accent:#0f8a68;
  --accent-dark:#0b6b51;
  --warn-bg:#fff6e3;
  --warn-line:#e3c473;
  --warn-ink:#6b4c05;
  --radius:10px;
  --maxw:1220px;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  --serif:Georgia,"Times New Roman",Times,serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.65;
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:underline;text-underline-offset:2px}
a:hover,a:focus{color:var(--brand-dark)}
:focus-visible{outline:3px solid var(--brand);outline-offset:2px}

/* ---------- bandeau de transparence publicitaire (tout en haut) ---------- */
.ad-bar{
  background:#12376e;
  color:#fff;
  font-size:.86rem;
  line-height:1.5;
  padding:9px clamp(14px,3vw,32px);
  text-align:center;
}
.ad-bar strong{letter-spacing:.04em;text-transform:uppercase;font-size:.8rem}
.ad-bar a{color:#cfe1ff}

/* ---------- en-tete ---------- */
.site-head{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  padding:12px clamp(14px,3vw,32px);
  background:var(--surface);
  border-bottom:1px solid var(--line);
}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand svg{width:34px;height:34px;flex:none}
.brand-name{font-weight:700;font-size:1.15rem;letter-spacing:-.01em}
.brand-sub{display:block;font-weight:400;font-size:.72rem;color:var(--muted);letter-spacing:.06em;text-transform:uppercase}
.head-nav{margin-left:auto;display:flex;gap:clamp(10px,1.6vw,20px);flex-wrap:wrap}
.head-nav a{font-size:.88rem;color:var(--muted);text-decoration:none}
.head-nav a:hover{color:var(--brand);text-decoration:underline}

/* ---------- mise en page ---------- */
.wrap{
  width:100%;max-width:var(--maxw);margin:0 auto;
  padding:clamp(20px,3vw,36px) clamp(14px,3vw,32px) 56px;
  display:grid;gap:clamp(20px,3vw,36px);
  grid-template-columns:minmax(0,1fr) 316px;
  align-items:start;
  flex:1 0 auto;
}
.wrap.solo{grid-template-columns:minmax(0,1fr);max-width:880px}
main{min-width:0}
.rail{display:flex;flex-direction:column;gap:18px;min-width:0}

/* ---------- typographie ---------- */
h1{
  font-family:var(--serif);
  font-size:clamp(1.75rem,1.2rem + 2.2vw,2.6rem);
  line-height:1.2;margin:.2em 0 .3em;letter-spacing:-.015em;
}
h2{
  font-family:var(--serif);
  font-size:clamp(1.35rem,1.1rem + 1vw,1.8rem);
  line-height:1.25;margin:2.2em 0 .5em;
  padding-bottom:.25em;border-bottom:2px solid var(--soft);
}
h3{font-size:1.1rem;margin:1.7em 0 .4em;line-height:1.3}
h4{font-size:1rem;margin:1.2em 0 .3em}
p{margin:0 0 1.05em}
ul,ol{margin:0 0 1.15em;padding-left:1.3em}
li{margin:.35em 0}
small{font-size:.85rem}
.lede{font-size:1.1rem;color:#2c3a56}
.byline{
  display:flex;flex-wrap:wrap;gap:6px 14px;align-items:baseline;
  font-size:.88rem;color:var(--muted);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:10px 0;margin:0 0 1.4em;
}
.byline strong{color:var(--ink)}
.kicker{
  display:inline-block;font-size:.76rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--brand);font-weight:700;margin:0 0 .2em;
}

/* ---------- encarts ---------- */
.card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:clamp(14px,2.4vw,22px);
}
.note{
  background:var(--soft);border-left:4px solid var(--brand);
  border-radius:0 var(--radius) var(--radius) 0;
  padding:14px 18px;margin:1.6em 0;font-size:.95rem;
}
.note h3,.note h4{margin-top:0}
.warn{
  background:var(--warn-bg);border:1px solid var(--warn-line);color:var(--warn-ink);
  border-radius:var(--radius);padding:14px 18px;margin:1.6em 0;font-size:.95rem;
}
.warn a{color:#7a4f00}

/* encadre de transparence sous le H1 */
.disclosure{
  background:var(--warn-bg);border:1px solid var(--warn-line);
  border-radius:var(--radius);padding:16px 18px;margin:0 0 1.8em;
  font-size:.94rem;color:#4a3706;
}
.disclosure h2{
  font-family:var(--sans);font-size:1rem;margin:0 0 .4em;border:0;padding:0;
  text-transform:uppercase;letter-spacing:.07em;color:#6b4c05;
}
.disclosure p{margin:0 0 .6em}
.disclosure p:last-child{margin-bottom:0}

/* ---------- blocs commerciaux ---------- */
.promo{
  background:var(--surface);border:1px solid var(--line);
  border-top:4px solid var(--accent);
  border-radius:var(--radius);padding:clamp(16px,2.4vw,24px);margin:2em 0;
}
.promo-tag{
  display:inline-block;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;
  font-weight:700;color:#fff;background:var(--muted);
  padding:3px 9px;border-radius:999px;margin-bottom:.7em;
}
.promo h3{margin:.1em 0 .4em;font-size:1.15rem}
.promo p{margin:0 0 .9em;font-size:.97rem}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--accent);color:#fff;text-decoration:none;font-weight:700;
  padding:13px 22px;border-radius:8px;border:1px solid var(--accent-dark);
  line-height:1.3;text-align:center;
}
.btn:hover,.btn:focus{background:var(--accent-dark);color:#fff;text-decoration:none}
.btn-full{display:flex;width:100%}
.aff-label{
  display:inline-block;font-size:.72rem;letter-spacing:.09em;text-transform:uppercase;
  font-weight:700;color:#fff;background:rgba(0,0,0,.28);
  padding:2px 7px;border-radius:4px;
}
.aff-under{
  margin:.55em 0 0;font-size:.82rem;color:var(--muted);line-height:1.5;
}
.aff-under strong{color:#3d4a63}

/* ---------- rail lateral ---------- */
.rail .card h3{margin-top:0;font-size:1.05rem}
.rail .card p,.rail .card li{font-size:.92rem}
.toc ol{padding-left:1.1em;margin:0}
.toc li{margin:.3em 0}
.toc a{color:var(--ink);text-decoration:none}
.toc a:hover{color:var(--brand);text-decoration:underline}
.sticky{position:sticky;top:16px}

/* ---------- figures ---------- */
figure{
  margin:2em 0;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:clamp(12px,2vw,20px);
}
figure img{width:100%;height:auto;border-radius:6px}
figcaption{margin-top:.8em;font-size:.86rem;color:var(--muted);line-height:1.55}
figcaption b{color:var(--ink)}

/* ---------- tableaux ---------- */
.table-scroll{overflow-x:auto;margin:1.6em 0}
table{border-collapse:collapse;width:100%;min-width:520px;font-size:.93rem;background:var(--surface)}
th,td{border:1px solid var(--line);padding:9px 12px;text-align:left;vertical-align:top}
th{background:var(--soft);font-weight:700}

/* ---------- FAQ ---------- */
details{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:12px 16px;margin:.6em 0;
}
details[open]{border-color:#c3d3ea}
summary{cursor:pointer;font-weight:600;list-style:none}
summary::-webkit-details-marker{display:none}
summary::before{content:"+ ";color:var(--brand);font-weight:700}
details[open] summary::before{content:"\2013 "}
details p{margin:.7em 0 .2em;font-size:.96rem}

/* ---------- pied de page ---------- */
.site-foot{
  background:#12203a;color:#c9d5e8;margin-top:auto;
  padding:34px clamp(14px,3vw,32px) 28px;font-size:.88rem;line-height:1.6;
}
.foot-inner{max-width:var(--maxw);margin:0 auto;display:grid;gap:22px;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.site-foot h2{
  font-family:var(--sans);font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;
  color:#fff;margin:0 0 .6em;border:0;padding:0;
}
.site-foot a{color:#a8c6f2}
.site-foot ul{list-style:none;padding:0;margin:0}
.site-foot li{margin:.3em 0}
.foot-legal{
  max-width:var(--maxw);margin:22px auto 0;padding-top:16px;
  border-top:1px solid #27385a;font-size:.82rem;color:#93a3bd;
}
.foot-legal p{margin:0 0 .5em}

/* ---------- divers ---------- */
.skip{position:absolute;left:-9999px}
.skip:focus{left:8px;top:8px;background:#fff;padding:8px 12px;z-index:50;border-radius:6px}
.updated{font-size:.85rem;color:var(--muted)}
.src-list{font-size:.93rem}
.src-list li{margin:.5em 0}

@media (max-width:960px){
  .wrap{grid-template-columns:minmax(0,1fr)}
  .rail{order:2}
  .sticky{position:static}
}
@media (max-width:520px){
  body{font-size:16px}
  .head-nav{width:100%;margin-left:0}
}
@media print{
  .ad-bar,.head-nav,.rail,.promo{display:none}
}