/* ============================================================
   RL Immobilier — Feuille de style des pages SEO éditoriales
   Reprend la charte des landings : marine #001F48 + bleu mer #216BA5,
   police Sweet Sans Pro (kit Adobe Fonts). Layout orienté lecture.
   ============================================================ */
:root{
  --navy:#001F48;--navy2:#0D2A51;--sea:#216BA5;--sea-soft:#4E97C9;
  --white:#fff;--paper:#f6f8fa;--ink:#33455c;--muted:#6a7a90;--line:#dbe2ea;
  --font:"sweet-sans-pro","Jost",system-ui,-apple-system,Segoe UI,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--white);line-height:1.68;-webkit-font-smoothing:antialiased}
a{color:var(--sea);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* --- Header sobre --- */
.seo-header{position:sticky;top:0;z-index:20;background:var(--navy);color:#fff;
  display:flex;align-items:center;justify-content:space-between;
  padding:1rem clamp(1.2rem,4vw,3.5rem)}
.seo-header .wm{font-weight:300;letter-spacing:.22em;text-transform:uppercase;font-size:1.05rem;color:#fff}
.seo-header .wm b{font-weight:600}
.seo-header .h-right{display:flex;align-items:center;gap:1.4rem}
.seo-header .tel{color:#dbe8f2;font-weight:500;letter-spacing:.04em;font-size:.92rem}
.seo-header .tel:hover{color:#fff;text-decoration:none}
.seo-header .h-cta{font-weight:600;font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;
  background:var(--sea);color:#fff;padding:.7rem 1.2rem;transition:.22s}
.seo-header .h-cta:hover{background:#fff;color:var(--navy);text-decoration:none}
@media(max-width:640px){.seo-header .tel{display:none}}

/* --- Hero éditorial --- */
.seo-hero{position:relative;color:#fff;background:var(--navy);overflow:hidden}
.seo-hero .bg{position:absolute;inset:0;background-size:cover;background-position:center 45%;opacity:.5}
.seo-hero::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(0,18,42,.55),rgba(0,18,42,.82))}
.seo-hero .inner{position:relative;z-index:2;max-width:900px;margin:0 auto;
  padding:clamp(3.5rem,8vw,6.5rem) clamp(1.2rem,4vw,3.5rem)}
.seo-hero .k{font-weight:600;font-size:.76rem;letter-spacing:.3em;text-transform:uppercase;color:#bfe0f5;margin-bottom:1rem}
.seo-hero h1{font-weight:300;text-transform:uppercase;letter-spacing:.04em;line-height:1.12;
  font-size:clamp(1.9rem,4.6vw,3.2rem);margin-bottom:1.1rem;text-shadow:0 4px 30px rgba(0,18,42,.4)}
.seo-hero h1 b{font-weight:600}
.seo-hero .lede{font-size:clamp(1.02rem,1.7vw,1.2rem);color:#e7eef5;max-width:60ch}
.seo-hero .breadcrumb{font-size:.78rem;color:#9fc0d9;margin-bottom:1.3rem;letter-spacing:.02em}
.seo-hero .breadcrumb a{color:#bfe0f5}
.seo-hero .hero-ctas{margin-top:1.8rem;display:flex;gap:.9rem;flex-wrap:wrap}
.btn-primary{font-weight:600;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;
  background:var(--sea);color:#fff;padding:1rem 1.8rem;transition:.22s;display:inline-block}
.btn-primary:hover{background:#fff;color:var(--navy);text-decoration:none}
.btn-ghost{font-weight:600;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;
  border:1px solid rgba(255,255,255,.7);color:#fff;padding:1rem 1.8rem;transition:.22s;display:inline-block}
.btn-ghost:hover{background:#fff;color:var(--navy);text-decoration:none}

/* --- Corps d'article --- */
.article{max-width:820px;margin:0 auto;padding:clamp(3rem,6vw,4.5rem) clamp(1.2rem,4vw,3.5rem)}
.article h2{font-weight:600;color:var(--navy);letter-spacing:.01em;line-height:1.2;
  font-size:clamp(1.4rem,2.8vw,2rem);margin:2.6rem 0 1rem}
.article h2:first-child{margin-top:0}
.article h3{font-weight:600;color:var(--navy);font-size:clamp(1.1rem,2vw,1.35rem);margin:1.8rem 0 .7rem}
.article p{margin:0 0 1.1rem;font-size:1.04rem;color:var(--ink)}
.article ul,.article ol{margin:0 0 1.3rem 1.3rem}
.article li{margin-bottom:.55rem;font-size:1.02rem}
.article strong{color:var(--navy)}
.article .lead{font-size:1.14rem;color:var(--navy);border-left:3px solid var(--sea);padding-left:1.1rem;margin-bottom:1.8rem}
.article a.inline{color:var(--sea);font-weight:600;text-decoration:underline}

/* --- Bandeau atouts --- */
.facts{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.facts-in{max-width:1100px;margin:0 auto;padding:clamp(2.4rem,4vw,3.2rem) clamp(1.2rem,4vw,3.5rem);
  display:grid;grid-template-columns:repeat(4,1fr);gap:1.6rem}
.fact{border-top:2px solid var(--navy);padding-top:1rem}
.fact .n{font-weight:300;font-size:1.9rem;color:var(--sea);line-height:1}
.fact .t{font-weight:600;color:var(--navy);margin-top:.4rem;font-size:.98rem}
.fact .d{font-size:.84rem;color:var(--muted);margin-top:.25rem}
@media(max-width:840px){.facts-in{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.facts-in{grid-template-columns:1fr}}

/* --- Cartes programmes (maillage interne) --- */
.programs{background:var(--white);padding:clamp(3rem,6vw,4.5rem) clamp(1.2rem,4vw,3.5rem)}
.programs-in{max-width:1200px;margin:0 auto}
.programs h2{font-weight:300;text-transform:uppercase;letter-spacing:.08em;color:var(--navy);
  text-align:center;font-size:clamp(1.5rem,3vw,2.2rem);margin-bottom:.6rem}
.programs .sub{text-align:center;color:var(--muted);max-width:60ch;margin:0 auto 2.4rem}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem}
@media(max-width:900px){.cards{grid-template-columns:1fr}}
.card{border:1px solid var(--line);background:#fff;overflow:hidden;display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease}
.card:hover{transform:translateY(-4px);box-shadow:0 24px 60px -30px rgba(0,18,42,.4);text-decoration:none}
.card .ph{aspect-ratio:16/10;overflow:hidden;background:var(--navy)}
.card .ph img{width:100%;height:100%;object-fit:cover;transition:transform .8s ease}
.card:hover .ph img{transform:scale(1.05)}
.card .body{padding:1.5rem;display:flex;flex-direction:column;flex:1}
.card .tag{font-weight:600;font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;color:var(--sea)}
.card h3{font-weight:600;color:var(--navy);font-size:1.25rem;margin:.5rem 0 .5rem}
.card p{color:var(--ink);font-size:.94rem;margin-bottom:1rem;flex:1}
.card .price{font-weight:600;color:var(--navy);font-size:.96rem;margin-bottom:1rem}
.card .go{font-weight:600;font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--sea)}

/* --- FAQ --- */
.faq-sec{background:var(--paper);border-top:1px solid var(--line)}
.faq-in{max-width:820px;margin:0 auto;padding:clamp(3rem,6vw,4.5rem) clamp(1.2rem,4vw,3.5rem)}
.faq-in h2{font-weight:300;text-transform:uppercase;letter-spacing:.08em;color:var(--navy);
  font-size:clamp(1.5rem,3vw,2rem);margin-bottom:1.6rem}
.faq details{border-top:1px solid var(--line);padding:1.15rem .2rem}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;font-weight:600;font-size:1.02rem;color:var(--navy);list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--sea);font-size:1.5rem;font-weight:300;line-height:1;transition:transform .25s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin-top:.8rem;color:var(--ink);font-size:.98rem;line-height:1.65}

/* --- Bloc de rappel / CTA final --- */
.cta-band{background:var(--navy);color:#fff;text-align:center;
  padding:clamp(3rem,6vw,5rem) clamp(1.2rem,4vw,3.5rem)}
.cta-band h2{font-weight:300;text-transform:uppercase;letter-spacing:.1em;
  font-size:clamp(1.5rem,3vw,2.2rem);margin-bottom:1rem}
.cta-band p{color:#b9c6d8;max-width:52ch;margin:0 auto 2rem}
.cta-band .btn-primary{background:var(--sea)}
.cta-band .btn-primary:hover{background:#fff;color:var(--navy)}

/* --- Footer (identique aux landings) --- */
footer.seo-foot{background:var(--navy2);color:#9fb0c6;text-align:center;padding:2.6rem 1.5rem;font-size:.84rem;line-height:1.9}
footer.seo-foot a{color:#cdd9e8;transition:.2s}
footer.seo-foot a:hover{color:#fff}
footer.seo-foot .foot-groupe{color:#7f92ab;font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;margin-bottom:.7rem}
footer.seo-foot .foot-nav{margin:.5rem 0}
footer.seo-foot .foot-real{margin-top:.7rem;font-size:.78rem;color:#7f92ab}
footer.seo-foot .foot-real a{font-weight:600;color:#bfe0f5}
.note-source{max-width:820px;margin:0 auto;padding:1.5rem clamp(1.2rem,4vw,3.5rem);
  font-size:.8rem;color:var(--muted);background:var(--white)}