/* Vente de Lien — thème "magazine premium" pour sites supports.
   Couleur d'accent injectée par site via --accent sur <html style>. */
:root{
  --accent:#2563eb; --accent-soft:#eef3ff; --accent-ink:#1c3d7a;
  --ink:#191a1d; --muted:#61656e; --line:#ece9e3; --bg:#fbfaf8; --bg2:#f4f1ec;
  --maxw:1120px; --readw:720px; --radius:18px; --radius-sm:12px;
  --serif:"Fraunces",Georgia,"Times New Roman",serif;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --shadow:0 1px 2px rgba(25,26,29,.04),0 12px 34px rgba(25,26,29,.07);
  --shadow-lg:0 2px 6px rgba(25,26,29,.05),0 24px 60px rgba(25,26,29,.13);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.7;font-size:18px;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:var(--accent-ink);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:2px}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* Header */
.site-header{border-bottom:1px solid var(--line);background:rgba(251,250,248,.86);backdrop-filter:saturate(1.1) blur(8px);position:sticky;top:0;z-index:20}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;padding-top:15px;padding-bottom:15px}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--serif);font-weight:600;font-size:21px;letter-spacing:-.01em;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand .logo{width:38px;height:38px;border-radius:11px;background:var(--accent);color:#fff;display:grid;place-items:center;font-family:var(--sans);font-weight:800;font-size:17px;box-shadow:0 4px 12px color-mix(in srgb,var(--accent) 40%,transparent)}
.brand .logo svg{width:22px;height:22px;display:block}
.nav{display:flex;gap:22px;flex-wrap:wrap}
.nav a{color:var(--muted);font-weight:500;font-size:15px}
.nav a:hover{color:var(--ink);text-decoration:none}

/* Hero home */
.hero{padding:56px 0 20px}
.hero h1{font-family:var(--serif);font-weight:600;font-size:52px;line-height:1.04;letter-spacing:-.02em;margin:0 0 14px}
.hero p{color:var(--muted);font-size:20px;margin:0;max-width:640px}

/* Article vedette (Une) */
.featured{display:grid;grid-template-columns:1.25fr 1fr;gap:38px;align-items:center;margin:20px 0 8px}
.featured>a{display:block}
.featured .ftext h2 a{color:inherit}
.featured .ftext h2 a:hover{color:var(--accent-ink);text-decoration:none}
.featured .fthumb{aspect-ratio:3/2;width:100%;border-radius:var(--radius);object-fit:cover;box-shadow:var(--shadow)}
.featured .fthumb.ph{display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--accent-soft),var(--bg2))}
.featured .fthumb.ph span{color:var(--accent);font-weight:700;font-size:13px;letter-spacing:.1em;text-transform:uppercase;opacity:.7}
.featured .ftext .cat{font-size:12px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--accent-ink)}
.featured .ftext h2{font-family:var(--serif);font-weight:600;font-size:34px;line-height:1.12;letter-spacing:-.015em;margin:10px 0 12px}
.featured .ftext p{color:var(--muted);font-size:17px;margin:0 0 16px}
.featured .more{font-weight:600;color:var(--accent-ink);font-size:15px}

/* Grille articles */
.section-label{font-family:var(--sans);font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:52px 0 2px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:30px;padding:28px 0 64px}
.card{border-radius:var(--radius);overflow:hidden;background:#fff;border:1px solid var(--line);transition:box-shadow .2s ease,transform .2s ease}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.card a{color:inherit;display:block}
.card:hover a{text-decoration:none}
.card .thumb{aspect-ratio:16/10;background:var(--accent-soft);object-fit:cover;width:100%}
.card .thumb.ph{display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--accent-soft),var(--bg2))}
.card .thumb.ph span{color:var(--accent);font-weight:700;font-size:12px;letter-spacing:.09em;text-transform:uppercase;opacity:.65}
.card .body{padding:18px 20px 22px}
.card .cat{font-size:11.5px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--accent-ink)}
.card h3{font-family:var(--serif);font-weight:600;font-size:22px;line-height:1.24;letter-spacing:-.01em;margin:9px 0 8px}
.card p{color:var(--muted);font-size:15px;margin:0}

/* Article */
.article{padding:44px 0 20px}
.article>.wrap{max-width:var(--readw)}
.article .kicker{font-size:12.5px;font-weight:700;text-transform:uppercase;letter-spacing:.09em;color:var(--accent-ink)}
.article h1{font-family:var(--serif);font-weight:600;font-size:44px;line-height:1.08;letter-spacing:-.02em;margin:12px 0 16px}
.article .byline{color:var(--muted);font-size:14.5px;margin-bottom:26px;display:flex;gap:11px;align-items:center;flex-wrap:wrap}
.article .byline .avatar{width:34px;height:34px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:700;font-size:14px;font-family:var(--sans)}
.article .hero-img{border-radius:var(--radius);margin:6px 0 32px;width:100%;aspect-ratio:3/2;object-fit:cover;box-shadow:var(--shadow)}
.tldr{background:var(--accent-soft);border-left:4px solid var(--accent);border-radius:0 14px 14px 0;padding:18px 22px;margin:0 0 30px;font-size:17.5px;line-height:1.6}
.tldr strong{color:var(--accent-ink)}
.article-body{font-size:18px}
.article-body>p:first-of-type::first-letter{font-family:var(--serif);font-weight:600;font-size:3.3em;line-height:.82;float:left;padding:6px 10px 0 0;color:var(--accent-ink)}
.article-body h2{font-family:var(--serif);font-weight:600;font-size:29px;letter-spacing:-.01em;margin:42px 0 12px;line-height:1.2}
.article-body h3{font-size:21px;font-weight:700;margin:28px 0 8px}
.article-body p{margin:0 0 18px}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:24px}
.article-body li{margin:7px 0}
.article-body li::marker{color:var(--accent)}
.article-body strong{font-weight:700}
.article-body a{border-bottom:1px solid color-mix(in srgb,var(--accent) 35%,transparent);text-decoration:none}
.article-body a:hover{border-bottom-color:var(--accent)}
.article-body blockquote{border-left:3px solid var(--accent);margin:22px 0;padding:6px 20px;color:var(--muted);font-style:italic;font-family:var(--serif);font-size:20px}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15.5px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 13px;text-align:left}
.article-body th{background:var(--bg2);font-weight:600}

/* FAQ */
.faq{margin:44px 0;border-top:1px solid var(--line);padding-top:28px}
.faq h2{font-family:var(--serif);font-weight:600;font-size:28px;margin:0 0 18px}
.faq details{border:1px solid var(--line);border-radius:14px;padding:2px 20px;margin:0 0 12px;background:#fff;transition:box-shadow .18s}
.faq details[open]{box-shadow:var(--shadow)}
.faq summary{cursor:pointer;font-weight:600;padding:15px 0;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--accent);font-size:22px;font-weight:400;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details[open] summary{color:var(--accent-ink)}
.faq details p{margin:0 0 16px;color:var(--muted)}

/* Lead capture */
.leadbox{background:linear-gradient(160deg,var(--accent-soft),var(--bg2));border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;margin:44px 0;text-align:center}
.leadbox h3{margin:0 0 8px;font-family:var(--serif);font-weight:600;font-size:24px}
.leadbox p{color:var(--muted);margin:0 0 18px}
.leadbox form{display:flex;gap:9px;max-width:440px;margin:0 auto;flex-wrap:wrap}
.leadbox input{flex:1;min-width:200px;padding:13px 15px;border:1px solid var(--line);border-radius:11px;font-size:15px;background:#fff;font-family:inherit}
.btn{background:var(--accent);color:#fff;border:0;border-radius:11px;padding:13px 22px;font-weight:600;font-size:15px;cursor:pointer;font-family:inherit;box-shadow:0 6px 16px color-mix(in srgb,var(--accent) 32%,transparent)}
.btn:hover{filter:brightness(1.05)}

/* Pages statiques + contact */
.page{padding:52px 0}
.page>.wrap{max-width:var(--readw)}
.page h1{font-family:var(--serif);font-weight:600;font-size:38px;letter-spacing:-.02em;margin:0 0 22px}
.page-body{font-size:18px}
.page-body p{margin:0 0 18px}
.form-field{margin:0 0 16px}
.form-field label{display:block;font-weight:600;margin-bottom:6px;font-size:15px}
.form-field input,.form-field textarea{width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:11px;font-size:15px;font-family:inherit;background:#fff}

/* Footer */
.site-footer{border-top:1px solid var(--line);background:var(--bg2);margin-top:48px}
.site-footer .wrap{padding:38px 24px;display:flex;justify-content:space-between;gap:22px;flex-wrap:wrap;color:var(--muted);font-size:14px}
.site-footer a{color:var(--muted)}
.site-footer .cols{display:flex;gap:30px;flex-wrap:wrap}

@media(max-width:820px){
  .featured{grid-template-columns:1fr;gap:20px}
  .featured .ftext h2{font-size:28px}
}
@media(max-width:640px){
  body{font-size:17px}
  .hero{padding:38px 0 14px}
  .hero h1{font-size:36px}
  .article h1{font-size:32px}
  .article-body{font-size:17px}
  .article-body>p:first-of-type::first-letter{font-size:2.8em}
}
