:root{
  --c:#b2524a;          /* couleur de marque */
  --c-700:#8f3f38;      /* hover / texte accentué */
  --c-300:#e3a59e;      /* accent clair sur fond sombre */
  --tint:#faf4f2;
  --tint-2:#f3e3df;
  --ink:#24191a;        /* brun-noir chaud */
  --ink-2:#5f5251;
  --dark:#2b1a1a;
  --line:#e9dcd8;
  --bg:#ffffff;
  --bad:#b3261e;
  --r:6px;
  --shadow:0 30px 60px -34px rgba(36,25,26,.45);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{font-family:'Inter',system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;font-size:16.5px;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:'Newsreader',Georgia,serif;line-height:1.12;letter-spacing:-.015em;font-weight:600}
a{color:var(--c);text-decoration:none}
ul{list-style:none}
img{max-width:100%;display:block}
.container{width:min(1180px,92%);margin:0 auto}
.muted-sm{font-size:.85rem;opacity:.75}

/* Boutons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;padding:.8rem 1.4rem;border-radius:var(--r);font-weight:600;font-family:'Inter',sans-serif;font-size:.95rem;border:1.5px solid transparent;cursor:pointer;transition:.2s}
.btn-primary{background:var(--c);color:#fff}
.btn-primary:hover{background:var(--c-700)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--c)}
.btn-outline{border-color:rgba(255,255,255,.45);color:#fff;background:transparent}
.btn-outline:hover{background:#fff;color:var(--ink)}
.btn-light{background:#fff;color:var(--c-700)}
.btn-light:hover{background:var(--ink);color:#fff}
.btn-lg{padding:1rem 1.7rem;font-size:1rem}
.btn-sm{padding:.55rem 1.1rem;font-size:.88rem}
.btn-block{width:100%}

/* En-tête */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.site-header::before{content:"";display:block;height:4px;background:var(--c)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:.65rem;font-family:'Newsreader',serif;font-weight:700;font-size:1.35rem;color:var(--ink);letter-spacing:-.01em}
.brand-logo{width:36px;height:36px;border-radius:var(--r);flex-shrink:0}
.brand-mark{width:36px;height:36px;border-radius:var(--r);background:var(--c);color:#fff;display:grid;place-items:center;font-size:1.05rem}
.nav-links{display:flex;align-items:center;gap:1.9rem}
.nav-links a:not(.btn){color:var(--ink-2);font-size:.9rem;font-weight:500;padding:.3rem 0;border-bottom:2px solid transparent;transition:.2s}
.nav-links a:not(.btn):hover{color:var(--c);border-color:var(--c)}
.nav-links .btn{background:var(--c);color:#fff}
.nav-links .btn:hover{background:var(--c-700)}
.nav-toggle{display:none;background:none;border:0;color:var(--ink);font-size:2rem;cursor:pointer}

/* ========== HERO : écran scindé, panneau sombre + image pleine hauteur ========== */
.hero{display:grid;grid-template-columns:1.05fr .95fr;min-height:calc(100vh - 76px);max-height:900px;background:var(--dark)}
.hero-copy{position:relative;display:flex;flex-direction:column;justify-content:center;padding:84px max(4%,calc((100vw - 1180px)/2)) 84px max(4%,calc((100vw - 1180px)/2));padding-right:72px;color:#fff}
.hero-copy::before{content:"";position:absolute;left:0;top:0;bottom:0;width:6px;background:var(--c)}
.hero-tag{display:inline-flex;align-items:center;gap:.6rem;align-self:flex-start;font-size:.78rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--c-300);margin-bottom:1.6rem}
.hero-tag::before{content:"";width:34px;height:1.5px;background:var(--c-300)}
.hero h1{font-size:clamp(2.3rem,4.3vw,3.9rem);font-weight:600;color:#fff;margin-bottom:1.5rem}
.hero h1 em{font-style:italic;color:var(--c-300);font-weight:500}
.lead{font-size:1.08rem;color:rgba(255,255,255,.76);max-width:560px;margin-bottom:2.1rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:.9rem}
.hero .btn-primary:hover{background:#c8645b}
.hero-points{display:flex;flex-wrap:wrap;gap:.5rem 1.6rem;margin-top:2.2rem;padding-top:1.6rem;border-top:1px solid rgba(255,255,255,.14);font-size:.88rem;color:rgba(255,255,255,.7)}
.hero-points i{color:var(--c-300);margin-right:.4rem}
.hero-visual{position:relative;min-height:480px}
.hero-img,.hero-visual .img-placeholder{position:absolute;inset:0;width:100%;height:100%;min-height:0;object-fit:cover;border-radius:0;box-shadow:none;border:0}
.hero-visual .img-placeholder{border-left:0}
.hero-facts{position:absolute;left:-64px;bottom:48px;z-index:2;display:grid;grid-template-columns:1fr 1fr;width:min(470px,calc(100% - 32px));background:#fff;box-shadow:var(--shadow);border-top:4px solid var(--c)}
.hero-facts>div{padding:1.15rem 1.3rem;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.hero-facts>div:nth-child(2n){border-right:0}
.hero-facts>div:nth-child(n+3){border-bottom:0}
.hero-facts i{display:none}
.hero-facts p{margin:0}
.hero-facts strong{display:block;font-family:'Newsreader',serif;font-size:1.5rem;color:var(--c);line-height:1.1}
.hero-facts span{display:block;font-size:.8rem;line-height:1.4;color:var(--ink-2);margin-top:.25rem}

/* Image placeholder */
.img-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.35rem;text-align:center;padding:2rem;min-height:320px;background:repeating-linear-gradient(135deg,#f6ebe8,#f6ebe8 14px,#f0e0dc 14px,#f0e0dc 28px);color:var(--ink-2);border:2px dashed var(--c);border-radius:var(--r)}
.img-placeholder i{font-size:2.4rem;color:var(--c)}
.img-placeholder code{background:#fff;color:var(--ink);padding:.25rem .7rem;border-radius:4px;font-weight:600;font-size:.92rem}
.img-placeholder small{opacity:.8}
.slot-img{width:100%;border-radius:var(--r);object-fit:cover;box-shadow:var(--shadow)}

/* Sections */
.section{padding:104px 0}
.section-tint{background:var(--tint)}
.eyebrow{display:inline-block;font-size:.76rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--c);margin-bottom:1rem;padding-bottom:.45rem;border-bottom:2px solid var(--c)}
h2.title{font-size:clamp(1.9rem,3.4vw,2.8rem);margin-bottom:1.1rem}
.sub{color:var(--ink-2);font-size:1.05rem}
.center-head{text-align:center;max-width:780px;margin:0 auto 56px}

/* ----- 2. Comprendre : image + carte superposée, piliers en colonnes, tableau comparatif ----- */
.op-top{display:grid;grid-template-columns:repeat(12,1fr);align-items:center}
.op-img{grid-column:1/8;grid-row:1}
.op-img .slot-img,.op-img .img-placeholder{aspect-ratio:4/3;min-height:0;border-radius:var(--r)}
.op-card{grid-column:7/13;grid-row:1;position:relative;z-index:2;background:#fff;padding:2.6rem 2.6rem 2.3rem;box-shadow:var(--shadow);border-top:4px solid var(--c)}
.op-card .sub+.sub{margin-top:1rem}
.op-card .btn{margin-top:1.6rem}
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:72px}
.pillar{padding:2rem 1.8rem;border:1px solid var(--line);border-top:4px solid var(--c);background:#fff;transition:.25s}
.pillar:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.pillar .ico{font-size:1.9rem;color:var(--c);margin-bottom:1rem;display:block}
.pillar h3{font-size:1.3rem;margin-bottom:.55rem}
.pillar p{color:var(--ink-2);font-size:.95rem}
.compare{margin-top:72px}
.compare h3{font-size:1.7rem;margin-bottom:1.4rem}
.compare-table{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line)}
.compare-table>div{padding:1.7rem 1.9rem}
.compare-table>div:first-child{border-right:1px solid var(--line);background:var(--tint)}
.compare-table>div:last-child{background:var(--c);color:#fff}
.compare-table h4{font-size:1.2rem;margin-bottom:.55rem;display:flex;gap:.6rem;align-items:center}
.compare-table p{font-size:.95rem;color:var(--ink-2)}
.compare-table>div:last-child p{color:rgba(255,255,255,.88)}
.note{margin-top:1.1rem;font-weight:500;color:var(--ink-2)}
.note i{color:var(--c);margin-right:.35rem}
.banner-quote{margin-top:64px;display:grid;grid-template-columns:auto 1fr;gap:2rem;align-items:start;background:var(--dark);color:#fff;padding:2.8rem 3rem}
.banner-quote .qi{font-size:3rem;color:var(--c-300);line-height:1}
.banner-quote h3{font-size:1.5rem;margin-bottom:.7rem}
.banner-quote p{color:rgba(255,255,255,.76)}
.banner-quote strong{color:#fff}
.reality{margin-top:24px;display:grid;grid-template-columns:1fr auto;align-items:center;gap:2.5rem;background:var(--tint);border-left:6px solid var(--c);padding:2.2rem 2.6rem}
.reality h3{font-size:1.45rem;margin-bottom:.5rem;display:flex;gap:.6rem;align-items:center}
.reality h3 i{color:var(--c)}
.reality p{color:var(--ink-2);max-width:760px}

/* ----- 3. Pour démarrer : colonne collante + frise verticale ----- */
.gs{display:grid;grid-template-columns:5fr 6fr;gap:84px;align-items:start}
.gs-side{position:sticky;top:110px}
.gs-side .slot-img,.gs-side .img-placeholder{aspect-ratio:4/3;min-height:0;margin:1.8rem 0}
.timeline{position:relative;padding-left:0}
.timeline::before{content:"";position:absolute;left:23px;top:8px;bottom:8px;width:2px;background:var(--line)}
.tl{position:relative;padding:0 0 2.4rem 74px}
.tl:last-child{padding-bottom:0}
.tl-num{position:absolute;left:0;top:0;width:48px;height:48px;border-radius:50%;background:var(--c);color:#fff;display:grid;place-items:center;font-family:'Newsreader',serif;font-weight:700;font-size:1.15rem;box-shadow:0 0 0 6px var(--tint)}
.tl h3{font-size:1.28rem;margin-bottom:.45rem;padding-top:.7rem}
.tl p{color:var(--ink-2);font-size:.96rem}
.gs-cta{margin-top:56px;display:flex;align-items:center;justify-content:space-between;gap:1.5rem;flex-wrap:wrap;background:var(--c);color:#fff;padding:1.9rem 2.4rem}
.gs-cta h4{font-size:1.45rem}
.gs-cta p{color:rgba(255,255,255,.85);font-size:.97rem}

/* ----- 4. Top 10 : cartes sur fond sombre ----- */
.section-dark{background:var(--dark);color:#fff}
.section-dark .eyebrow{color:var(--c-300);border-color:var(--c-300)}
.section-dark .sub{color:rgba(255,255,255,.7)}
.rank-head{display:grid;grid-template-columns:1fr auto;align-items:end;gap:2rem;margin-bottom:52px}
.rank-head>div{max-width:760px}
.rank{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.12)}
.rank-row{position:relative;background:var(--dark);padding:2rem 2rem 2rem 2rem;transition:.25s;overflow:hidden}
.rank-row:hover{background:#38211f}
.rank-n{position:absolute;right:1.3rem;top:.6rem;font-family:'Newsreader',serif;font-weight:700;font-size:4rem;line-height:1;color:rgba(227,165,158,.16)}
.rank-ico{display:inline-grid;place-items:center;width:46px;height:46px;background:var(--c);color:#fff;border-radius:var(--r);font-size:1.3rem;margin-bottom:1.1rem}
.rank-row h3{font-size:1.25rem;margin-bottom:.55rem;max-width:88%;color:#fff}
.rank-row p{color:rgba(255,255,255,.7);font-size:.95rem}
.cta-line{margin-top:56px;display:flex;align-items:center;justify-content:space-between;gap:2rem;flex-wrap:wrap;padding-top:2.4rem;border-top:1px solid rgba(255,255,255,.18)}
.cta-line h3{font-size:1.6rem;margin-bottom:.3rem}
.cta-line p{color:rgba(255,255,255,.7)}

/* ----- 5. Apprendre : panneau de résultats + liste en deux colonnes ----- */
.learn{display:grid;grid-template-columns:4fr 8fr;gap:0;border:1px solid var(--line);background:#fff}
.learn-aside{background:var(--c);color:#fff;padding:3rem 2.4rem;display:flex;flex-direction:column}
.learn-aside .eyebrow{color:#fff;border-color:rgba(255,255,255,.7)}
.learn-aside h2{font-size:clamp(1.9rem,3vw,2.6rem);margin-bottom:1rem}
.learn-aside>p{color:rgba(255,255,255,.88);margin-bottom:1.8rem}
.learn-aside h3{font-size:1.1rem;font-family:'Inter',sans-serif;font-weight:700;letter-spacing:.02em;margin-bottom:.9rem;padding-top:1.5rem;border-top:1px solid rgba(255,255,255,.35)}
.learn-aside ul{display:grid;gap:.7rem;margin-bottom:2rem;font-size:.95rem}
.learn-aside li{display:flex;gap:.6rem}
.learn-aside li i{flex-shrink:0;margin-top:.25rem}
.learn-aside .btn{margin-top:auto;align-self:flex-start}
.learn-list{display:grid;grid-template-columns:1fr 1fr}
.lr{display:grid;grid-template-columns:44px 1fr;gap:1.1rem;padding:2rem 2.1rem;border-bottom:1px solid var(--line)}
.lr:nth-child(odd){border-right:1px solid var(--line)}
.lr:nth-last-child(-n+2){border-bottom:0}
.lr .ico{width:44px;height:44px;border-radius:50%;background:var(--tint-2);color:var(--c-700);display:grid;place-items:center;font-size:1.2rem}
.lr h3{font-size:1.15rem;margin-bottom:.35rem}
.lr p{color:var(--ink-2);font-size:.92rem;line-height:1.6}

/* ----- 6. Prérequis : bandeau centré en 4 colonnes ----- */
.req-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.ck{padding:2.2rem 1.8rem;border-right:1px solid var(--line);text-align:center}
.ck:last-child{border-right:0}
.ck .tick{display:grid;place-items:center;width:54px;height:54px;margin:0 auto 1.1rem;border:2px solid var(--c);color:var(--c);border-radius:50%;font-size:1.4rem}
.ck h3{font-size:1.15rem;margin-bottom:.5rem}
.ck p{color:var(--ink-2);font-size:.93rem}
.req-cta{text-align:center;margin-top:44px}

/* ----- 7. Formulaire : carte scindée, argumentaire + formulaire ----- */
.section-form{padding:0 0 104px}
.form-split{display:grid;grid-template-columns:5fr 7fr;box-shadow:var(--shadow);background:#fff}
.form-top{background:var(--dark);color:#fff;padding:3.2rem 2.8rem;position:relative}
.form-top::before{content:"";position:absolute;left:0;top:0;bottom:0;width:6px;background:var(--c)}
.form-top .eyebrow{color:var(--c-300);border-color:var(--c-300)}
.form-top h2{font-size:clamp(1.8rem,2.8vw,2.4rem);margin-bottom:1rem}
.form-top>p{color:rgba(255,255,255,.76);margin-bottom:1.8rem}
.inline-checks{display:grid;gap:.75rem;padding-top:1.6rem;border-top:1px solid rgba(255,255,255,.16);font-size:.95rem}
.inline-checks i{margin-right:.55rem;color:var(--c-300)}
.form-card{padding:3rem 2.8rem}
.form-card h3{font-size:1.6rem;margin-bottom:1.4rem}
.fgrid{display:grid;grid-template-columns:1fr 1fr;gap:0 1.2rem}
.field{margin-bottom:1.1rem}
.field.full{grid-column:1/-1}
.field label{display:block;font-weight:600;font-size:.88rem;margin-bottom:.35rem}
.opt{font-weight:400;color:var(--ink-2)}
.input{position:relative}
.input i{position:absolute;left:1rem;top:50%;transform:translateY(-50%);color:#9a8884}
.input input{width:100%;padding:.85rem 1rem .85rem 2.7rem;border:1.5px solid var(--line);border-radius:var(--r);font:inherit;font-size:.97rem;background:var(--tint);transition:.2s}
.input input:focus{outline:0;border-color:var(--c);background:#fff;box-shadow:0 0 0 4px rgba(178,82,74,.18)}
.field.invalid .input input{border-color:var(--bad)}
.err{display:block;color:var(--bad);font-size:.82rem;margin-top:.3rem}
.field.check label{display:flex;gap:.7rem;font-weight:400;font-size:.85rem;color:var(--ink-2);line-height:1.5}
.field.check input{margin-top:.25rem;width:18px;height:18px;accent-color:var(--c);flex-shrink:0}
.hp{position:absolute;left:-9999px;height:0;overflow:hidden}
.secure{margin-top:.9rem;font-size:.83rem;color:var(--ink-2);text-align:center}
.btn-spin{display:none}
.loading .btn-label{display:none}
.loading .btn-spin{display:inline-flex;gap:.5rem}
.loading .btn-spin i{animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.result{text-align:center;padding:1.5rem 0}
.result[hidden]{display:none}
.result-icon{width:72px;height:72px;border-radius:50%;margin:0 auto 1.2rem;display:grid;place-items:center;font-size:2.2rem}
.success .result-icon{background:var(--c);color:#fff}
.error .result-icon{background:var(--bad);color:#fff}
.result p{color:var(--ink-2);margin-bottom:1.3rem}

/* ========== PIED DE PAGE : bandeau marque en tête, contacts en ligne, liens en colonnes ========== */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);border-top:6px solid var(--c);font-size:.93rem}
.ft-top{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center;padding:56px 0 40px;border-bottom:1px solid rgba(255,255,255,.12)}
.site-footer .brand{color:#fff;font-size:1.7rem}
.footer-about{max-width:430px;margin-top:.9rem}
.contact-list{display:grid;grid-template-columns:1fr 1fr;gap:1rem 1.6rem}
.contact-list li{display:flex;gap:.7rem;align-items:flex-start}
.contact-list i{color:var(--c-300);margin-top:.2rem}
.contact-list a{color:#fff}
.contact-list a:hover{color:var(--c-300)}
.ft-links{display:grid;grid-template-columns:1fr 1fr;gap:3rem;padding:44px 0}
.footer-col h4{color:#fff;font-size:1.15rem;margin-bottom:1.2rem;padding-bottom:.8rem;border-bottom:2px solid var(--c);display:inline-block}
.footer-col ul{columns:2;column-gap:2rem}
.footer-col li{margin-bottom:.65rem;break-inside:avoid}
.footer-col a{color:rgba(255,255,255,.75)}
.footer-col a:hover{color:var(--c-300)}
.footer-bottom{background:rgba(0,0,0,.22);padding:1.6rem 0;font-size:.82rem}
.footer-bottom .container{display:grid;gap:.4rem}
.footer-bottom a{color:var(--c-300)}

/* Pages légales */
.legal-hero{background:var(--dark);color:#fff;padding:72px 0 56px;border-bottom:6px solid var(--c)}
.legal-hero h1{font-size:clamp(2rem,4vw,3.1rem)}
.legal-hero p{color:rgba(255,255,255,.72);margin-top:.6rem}
.legal{padding:60px 0 100px;max-width:860px}
.legal h2{font-size:1.5rem;margin:2.3rem 0 .8rem;padding-left:.9rem;border-left:4px solid var(--c)}
.legal p,.legal li{color:var(--ink-2);margin-bottom:.8rem}
.legal ul{list-style:disc;padding-left:1.4rem}
.legal table{width:100%;border-collapse:collapse;margin:1rem 0 1.5rem;font-size:.95rem}
.legal th,.legal td{border:1px solid var(--line);padding:.7rem .9rem;text-align:left;vertical-align:top;color:var(--ink-2)}
.legal th{background:var(--tint);color:var(--ink)}

/* Responsive */
@media(max-width:1020px){
  .hero{grid-template-columns:1fr;max-height:none;min-height:0}
  .hero-copy{padding:64px 6% 56px 7%}
  .hero-visual{min-height:0;aspect-ratio:4/3}
  .hero-facts{position:relative;left:auto;bottom:auto;width:100%;margin-top:0;box-shadow:none}
  .hero-visual{display:flex;flex-direction:column;aspect-ratio:auto}
  .hero-img,.hero-visual .img-placeholder{position:relative;height:auto;aspect-ratio:16/10}
  .op-top{display:block}
  .op-card{margin:-60px 4% 0}
  .gs{grid-template-columns:1fr;gap:48px}
  .gs-side{position:static}
  .learn{grid-template-columns:1fr}
  .req-grid{grid-template-columns:1fr 1fr}
  .ck:nth-child(2){border-right:0}
  .ck:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .form-split{grid-template-columns:1fr}
  .ft-top,.ft-links{grid-template-columns:1fr;gap:2rem}
  .rank-head,.reality{grid-template-columns:1fr}
}
@media(max-width:720px){
  body{font-size:16px}
  .section{padding:68px 0}
  .section-form{padding-bottom:68px}
  .nav-toggle{display:block}
  .nav-links{position:absolute;top:76px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;padding:1.2rem 4%;gap:1rem;display:none;border-bottom:1px solid var(--line)}
  .nav-links.open{display:flex}
  .pillars,.compare-table,.rank,.learn-list,.fgrid,.req-grid,.contact-list,.footer-col ul{grid-template-columns:1fr;columns:1}
  .compare-table>div:first-child{border-right:0}
  .banner-quote{grid-template-columns:1fr;padding:2rem 1.5rem}
  .lr:nth-child(odd){border-right:0}
  .lr:nth-last-child(2){border-bottom:1px solid var(--line)}
  .ck{border-right:0!important;border-bottom:1px solid var(--line)}
  .ck:last-child{border-bottom:0}
  .form-top,.form-card{padding:2.2rem 1.4rem}
  .op-card{padding:1.8rem 1.4rem}
  .hero-facts{grid-template-columns:1fr}
  .hero-facts>div{border-right:0!important;border-bottom:1px solid var(--line)!important}
}