:root{
  --bg:#f3f7fd;--surface:#fff;--surface-2:#f8fbff;--text:#12304f;--muted:#5d7088;
  --line:#dbe6f2;--brand:#0e64e7;--brand-dark:#0a45b4;--brand-soft:#eaf3ff;
  --brand-2:#0b2f8a;--green:#2cbf4a;--green-dark:#1a9637;--green-soft:#eaf9ee;
  --amber:#a86a00;--amber-soft:#fff6df;--red:#b42318;--red-soft:#fff0ef;
  --nav:#082b78;--nav-2:#0a4dc0;--shadow:0 14px 40px rgba(10,58,137,.10);--radius:18px;--max:1180px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;background:linear-gradient(180deg,#f7fbff 0%,#f3f7fd 100%);color:var(--text);line-height:1.65}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%}button,input{font:inherit}.container{width:min(var(--max),calc(100% - 32px));margin:auto}
.skip-link{position:absolute;left:-9999px;top:8px;background:#fff;padding:10px 14px;z-index:1000;border-radius:8px}.skip-link:focus{left:10px}
.site-header{position:sticky;top:0;z-index:50;background:linear-gradient(90deg,rgba(8,43,120,.97),rgba(14,100,231,.95));backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.12);box-shadow:0 10px 28px rgba(8,43,120,.18)}
.nav-wrap{min-height:72px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:850;letter-spacing:-.03em;font-size:1.12rem;white-space:nowrap}.brand:hover{text-decoration:none}.brand-logo-wrap{width:44px;height:44px;border-radius:14px;background:rgba(255,255,255,.12);display:grid;place-items:center;box-shadow:inset 0 0 0 1px rgba(255,255,255,.14)}.brand-logo{width:32px;height:32px;display:block;object-fit:contain}.brand-text small{display:block;font-size:.73rem;font-weight:700;letter-spacing:.04em;color:#dbe8ff;text-transform:uppercase;opacity:.92}.brand-text strong{display:block;font-size:1.03rem;line-height:1.1;color:#fff}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}.main-nav a{color:#e7f0ff;padding:10px 12px;border-radius:10px;font-weight:650;font-size:.94rem}.main-nav a:hover,.main-nav a[aria-current="page"]{background:rgba(255,255,255,.12);color:#fff;text-decoration:none}.nav-cta{border:1px solid rgba(255,255,255,.28)!important;background:rgba(255,255,255,.07)}
.menu-btn{display:none;margin-left:auto;border:1px solid rgba(255,255,255,.24);background:transparent;color:#fff;border-radius:10px;padding:8px 11px;cursor:pointer}
.hero{background:radial-gradient(circle at 14% 14%,rgba(14,100,231,.18),transparent 35%),radial-gradient(circle at 86% 12%,rgba(44,191,74,.16),transparent 26%),linear-gradient(180deg,#f7fbff 0%,#eff6ff 58%,#f3f7fd 100%);border-bottom:1px solid var(--line)}
.hero-inner{padding:74px 0 64px}.eyebrow{display:inline-flex;align-items:center;gap:7px;font-weight:800;color:var(--brand-2);font-size:.82rem;text-transform:uppercase;letter-spacing:.08em}h1,h2,h3{line-height:1.18;letter-spacing:-.025em}h1{font-size:clamp(2.1rem,5vw,4.4rem);margin:.35em 0 .25em}h2{font-size:clamp(1.55rem,3vw,2.35rem);margin:0 0 14px}h3{font-size:1.16rem;margin:0 0 8px}.lead{font-size:clamp(1.02rem,2vw,1.25rem);color:var(--muted);max-width:790px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 16px;border-radius:11px;border:1px solid var(--line);background:#fff;color:var(--text);font-weight:800;cursor:pointer;transition:.16s ease}.btn:hover{text-decoration:none;transform:translateY(-1px)}.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;border-color:var(--brand)}.btn-primary:hover{background:linear-gradient(135deg,var(--brand-dark),var(--brand-2))}.btn-soft{background:var(--brand-soft);color:var(--brand-2);border-color:#cfe0ff}
.search-shell{position:relative;max-width:760px;margin-top:30px}.search-box{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid #cddcf1;box-shadow:var(--shadow);padding:8px 10px 8px 16px;border-radius:16px}.search-box svg{width:20px;flex:0 0 auto;color:#6d84a3}.search-box input{border:0;outline:0;width:100%;padding:8px 0;color:var(--text);background:transparent;font-size:1rem}.search-hint{font-size:.78rem;color:#78869a;border:1px solid var(--line);border-radius:7px;padding:3px 7px;background:#f8fafc;white-space:nowrap}.search-results{position:absolute;left:0;right:0;top:calc(100% + 8px);background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);overflow:hidden;display:none;max-height:380px;overflow-y:auto;z-index:30}.search-results.is-open{display:block}.search-result{display:block;padding:13px 16px;border-bottom:1px solid #edf1f6;color:var(--text)}.search-result:last-child{border-bottom:0}.search-result:hover{background:#f7fbff;text-decoration:none}.search-result strong{display:block}.search-result span{font-size:.87rem;color:var(--muted)}
.section{padding:58px 0}.section-sm{padding:34px 0}.section-title{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:24px}.section-title p{margin:0;color:var(--muted);max-width:680px}.grid{display:grid;gap:18px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 7px 24px rgba(10,58,137,.04)}a.card{color:inherit;transition:.2s ease}a.card:hover{text-decoration:none;transform:translateY(-3px);border-color:#b8d0f2;box-shadow:0 18px 44px rgba(10,58,137,.10)}.card-icon{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand-soft),#dff0ff);color:var(--brand-2);font-weight:900;margin-bottom:14px}.card p{margin:.3rem 0 0;color:var(--muted)}.card .more{display:inline-block;margin-top:15px;font-weight:800}
.badge{display:inline-flex;align-items:center;gap:5px;padding:4px 9px;border-radius:999px;font-size:.76rem;font-weight:800;background:#eef2f7;color:#4d5c70;border:1px solid #dfe6ef}.badge.blue{background:var(--brand-soft);color:var(--brand-2);border-color:#cfe0ff}.badge.green{background:var(--green-soft);color:var(--green-dark);border-color:#cbebd4}.badge.amber{background:var(--amber-soft);color:var(--amber);border-color:#f2ddb0}
.page-head{padding:48px 0 36px;background:linear-gradient(180deg,#ffffff,#f8fbff);border-bottom:1px solid var(--line)}.page-head h1{font-size:clamp(2rem,4vw,3.3rem);margin:.2em 0}.breadcrumb{font-size:.9rem;color:var(--muted)}.breadcrumb a{color:var(--muted)}.doc-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:34px;align-items:start}.toc{position:sticky;top:92px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;box-shadow:0 8px 24px rgba(10,58,137,.04)}.toc strong{display:block;font-size:.82rem;text-transform:uppercase;letter-spacing:.07em;color:#758297;margin:2px 0 10px}.toc a{display:block;color:#4f6074;padding:7px 9px;border-radius:8px;font-size:.91rem}.toc a:hover{background:#f2f7ff;color:var(--brand-2);text-decoration:none}
.article{background:#fff;border:1px solid var(--line);border-radius:20px;padding:clamp(22px,4vw,42px);box-shadow:0 10px 26px rgba(10,58,137,.04)}.article section{scroll-margin-top:95px;margin:0 0 48px}.article section:last-child{margin-bottom:0}.article p{color:#42536a}.article ul,.article ol{padding-left:1.3rem}.article li{margin:.38rem 0}.article hr{border:0;border-top:1px solid var(--line);margin:38px 0}
.callout{border-left:4px solid var(--brand);background:var(--brand-soft);padding:14px 16px;border-radius:0 12px 12px 0;margin:18px 0}.callout strong{color:var(--brand-2)}.callout.warning{border-left-color:#e3a126;background:#fff8e8}.callout.warning strong{color:#8d5700}.callout.success{border-left-color:var(--green);background:#ecfaf0}.callout.success strong{color:var(--green-dark)}.callout.danger{border-left-color:#d8453a;background:#fff1ef}.callout.danger strong{color:#a42b23}
.steps{counter-reset:step;display:grid;gap:13px;margin:18px 0}.step{position:relative;background:#f8fbff;border:1px solid var(--line);border-radius:14px;padding:16px 16px 16px 58px}.step:before{counter-increment:step;content:counter(step);position:absolute;left:16px;top:15px;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;font-weight:900;font-size:.82rem}.step p{margin:.25rem 0 0}.code-wrap{position:relative;margin:16px 0}pre{overflow:auto;background:#0c2044;color:#d9e7ff;border-radius:14px;padding:18px;font:500 .88rem/1.6 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.copy-btn{position:absolute;right:9px;top:9px;border:1px solid #355b96;background:#17325f;color:#eaf2ff;border-radius:8px;padding:6px 9px;font-size:.78rem;cursor:pointer}
.feature-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.feature{padding:16px;background:#fbfdff;border:1px solid var(--line);border-radius:14px}.feature h3{display:flex;gap:8px;align-items:center}.feature p{margin:5px 0 0;font-size:.95rem}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;margin:18px 0;box-shadow:0 6px 18px rgba(10,58,137,.03)}table{width:100%;border-collapse:collapse;min-width:650px;background:#fff}th,td{padding:13px 15px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{background:#f3f8ff;font-size:.85rem;color:#365072}tr:last-child td{border-bottom:0}.checklist{list-style:none!important;padding-left:0!important}.checklist li{position:relative;padding-left:27px}.checklist li:before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:900}
.footer{background:linear-gradient(90deg,var(--brand-2),var(--nav));color:#d7e5fb;margin-top:64px}.footer .container{padding:36px 0}.footer-grid{display:flex;justify-content:space-between;gap:30px;align-items:flex-start}.footer a{color:#fff}.footer p{margin:.4rem 0;color:#c2d3ef}.muted{color:var(--muted)}.small{font-size:.88rem}.pills{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}.pill{display:inline-flex;padding:6px 10px;border:1px solid var(--line);border-radius:999px;background:#fff;color:#38526f;font-size:.82rem;font-weight:700}.anchor-title{display:flex;align-items:center;gap:10px}.anchor-title .badge{font-size:.7rem}
@media(max-width:900px){.grid-4,.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}.doc-layout{grid-template-columns:1fr}.toc{position:static}.feature-list{grid-template-columns:1fr}}
@media(max-width:760px){.nav-wrap{min-height:66px}.brand-logo-wrap{width:40px;height:40px}.brand-logo{width:28px;height:28px}.brand-text small{display:none}.menu-btn{display:block}.main-nav{display:none;position:absolute;top:66px;left:0;right:0;background:linear-gradient(180deg,var(--nav),var(--brand-2));padding:10px 16px 18px;border-top:1px solid rgba(255,255,255,.1);flex-direction:column;align-items:stretch}.main-nav.is-open{display:flex}.main-nav a{padding:11px 12px}.hero-inner{padding:50px 0 44px}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.section{padding:42px 0}.section-title{display:block}.article{border-radius:14px}.footer-grid{display:block}.search-hint{display:none}}


/* === RDV123 SEO / acquisition V3 === */
.brand-logo-wrap{overflow:hidden;background:#fff}.brand-logo{width:40px;height:40px;border-radius:11px}
.hero-seo{position:relative;overflow:hidden}.hero-seo:after{content:"";position:absolute;width:380px;height:380px;border-radius:50%;right:-120px;top:-160px;background:radial-gradient(circle,rgba(44,191,74,.18),transparent 68%);pointer-events:none}
.topic-nav{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}.topic-nav a{padding:7px 11px;border:1px solid #cfe0f5;border-radius:999px;background:rgba(255,255,255,.9);font-size:.84rem;font-weight:750;color:#194574}.topic-nav a:hover{text-decoration:none;border-color:#8db8ef;background:#fff}
.seo-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.seo-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:19px;transition:.18s ease}.seo-card:hover{transform:translateY(-2px);border-color:#a9c9ef;box-shadow:0 14px 34px rgba(10,58,137,.08);text-decoration:none}.seo-card h3{color:var(--text)}.seo-card p{color:var(--muted);font-size:.94rem;margin:.45rem 0}.seo-card .k{font-size:.74rem;text-transform:uppercase;letter-spacing:.06em;color:var(--brand);font-weight:850}
.answer-box{font-size:1.03rem;background:linear-gradient(135deg,#f3f8ff,#f1fff4);border:1px solid #cfe0f5;border-radius:16px;padding:18px 20px;margin:18px 0 24px}.answer-box strong{color:#0b3f9d}.fact-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:22px 0}.fact{border:1px solid var(--line);border-radius:14px;padding:14px;background:#fff}.fact strong{display:block;color:var(--brand-2)}
.keyword-cloud{display:flex;gap:8px;flex-wrap:wrap}.keyword-cloud a{background:#f4f8fd;border:1px solid var(--line);padding:7px 10px;border-radius:8px;color:#38526f;font-size:.84rem}.keyword-cloud a:hover{background:#eaf3ff;text-decoration:none;color:var(--brand-2)}
.tool-box{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:0 12px 30px rgba(10,58,137,.06)}.tool-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.field label{display:block;font-weight:800;font-size:.9rem;margin-bottom:6px}.field input,.field select,.field textarea{width:100%;border:1px solid #cbd8e8;border-radius:10px;padding:11px 12px;background:#fff;color:var(--text)}.field textarea{min-height:115px;resize:vertical}.result-box{margin-top:18px;background:linear-gradient(135deg,#eaf3ff,#eaf9ee);border:1px solid #c7dff7;border-radius:14px;padding:18px}.result-box .big{font-size:2rem;line-height:1;font-weight:900;color:var(--brand-2)}
.news-card{position:relative}.news-card time{font-size:.8rem;color:var(--muted)}.news-card .trend{display:inline-flex;margin-bottom:8px;padding:4px 8px;border-radius:999px;background:#fff4d7;color:#915600;font-size:.74rem;font-weight:850}
.comparison{display:grid;grid-template-columns:1fr 1fr;gap:14px}.comparison>div{border:1px solid var(--line);border-radius:14px;padding:16px}.comparison h3{margin-bottom:10px}.pros{border-top:4px solid var(--green)!important}.cons{border-top:4px solid var(--brand)!important}
.cta-band{background:linear-gradient(135deg,#082b78,#0e64e7);color:#fff;border-radius:20px;padding:28px;margin-top:34px}.cta-band h2{color:#fff}.cta-band p{color:#dbe9ff}.cta-band .btn{background:#fff;color:#0b43bd;border:0}
.editor-note{border:1px dashed #d8a13b;background:#fff9e9;padding:14px;border-radius:12px;color:#745018}
@media(max-width:900px){.seo-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.fact-strip{grid-template-columns:1fr}.comparison{grid-template-columns:1fr}}
@media(max-width:650px){.seo-grid,.tool-grid{grid-template-columns:1fr}.brand-logo{width:36px;height:36px}}

/* === RDV123 V4 : acquisition propre + confiance éditoriale === */
.article details{border:1px solid var(--line);border-radius:12px;padding:13px 15px;margin:10px 0;background:#fbfdff}.article details summary{cursor:pointer;font-weight:800;color:var(--text)}.article details p{margin:.7rem 0 .2rem}.article code{background:#eef4fb;border:1px solid #d9e5f3;border-radius:6px;padding:.08rem .32rem}.site-header .main-nav{flex-wrap:wrap}.page-head .breadcrumb a{font-weight:650}.seo-card h3{margin-bottom:7px}.seo-card p:last-child{margin-bottom:0}.editorial-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.editorial-meta span{font-size:.78rem;background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 9px;color:var(--muted)}
@media(max-width:1100px){.main-nav a{padding:9px 8px;font-size:.88rem}}