/* Sylvain Guero Éditions — feuille de style */
:root{
  --navy:#0E2A52; --navy-2:#13366A; --royal:#1F4E9C; --sky:#7CC0F5; --sky-soft:#E4F1FC;
  --brass:#C9A24A; --cream:#F7F4EE; --paper:#FFFFFF; --ink:#16202E; --muted:#5B6575; --line:#E3DED3;
  --ok:#1E7A4F; --err:#B3261E;
  --serif-d:'Bodoni Moda',Didot,'Times New Roman',serif;
  --serif:'EB Garamond',Garamond,Georgia,serif;
  --mono:'IBM Plex Mono',Menlo,Consolas,monospace;
  --r:14px; --ease:cubic-bezier(.2,.7,.2,1);
  --wrap:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--cream);color:var(--ink);font-family:var(--serif);font-size:19px;line-height:1.55;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:var(--royal)}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--sky);outline-offset:2px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--royal)}
h1,h2,h3{font-family:var(--serif-d);font-weight:600;line-height:1.08;margin:0;letter-spacing:-.01em}
h2{font-size:clamp(32px,4.4vw,52px)}
h3{font-size:24px}
.lead{font-size:clamp(19px,2vw,22px);color:var(--muted);max-width:60ch}

/* Boutons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:999px;padding:13px 22px;font-family:var(--mono);font-size:14px;letter-spacing:.04em;cursor:pointer;text-decoration:none;transition:transform .2s var(--ease),background .2s,box-shadow .2s;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--royal);color:#fff;box-shadow:0 6px 18px rgba(31,78,156,.28)}
.btn-primary:hover{background:var(--navy-2)}
.btn-ghost{background:transparent;color:var(--navy);border:1.5px solid var(--navy)}
.btn-ghost:hover{background:var(--navy);color:#fff}
.btn-light{background:#fff;color:var(--navy)}
.btn-light:hover{background:var(--sky-soft)}
.btn[disabled]{opacity:.55;cursor:not-allowed}
.btn-block{width:100%}

/* En-tête */
.top{position:sticky;top:0;z-index:40;background:rgba(247,244,238,.92);backdrop-filter:saturate(1.2) blur(10px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:18px;height:72px}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--navy);margin-right:auto}
.logo img{width:46px;height:46px;transition:transform .6s var(--ease)}
.logo:hover img{transform:rotate(-12deg)}
.logo b{font-family:var(--serif-d);font-size:20px;display:block;line-height:1}
.logo b i{font-weight:500}
.logo small{font-family:var(--mono);font-size:10.5px;letter-spacing:.24em;text-transform:uppercase;color:var(--muted)}
.nav{display:flex;gap:22px}
.nav a{font-family:var(--mono);font-size:13px;color:var(--ink);text-decoration:none;letter-spacing:.03em}
.nav a:hover{color:var(--royal)}
.cart-btn{position:relative;background:var(--navy);color:#fff;border:0;border-radius:999px;height:42px;padding:0 16px;display:flex;align-items:center;gap:8px;cursor:pointer;font-family:var(--mono);font-size:13px}
.cart-btn .n{background:var(--brass);color:var(--navy);border-radius:999px;min-width:20px;height:20px;display:inline-grid;place-items:center;font-size:12px;font-weight:600;padding:0 5px}
.menu-btn{display:none;background:none;border:0;width:42px;height:42px;cursor:pointer;color:var(--navy)}
@media (max-width:860px){
  .nav{position:fixed;inset:72px 0 auto 0;background:var(--cream);flex-direction:column;gap:0;border-bottom:1px solid var(--line);box-shadow:0 18px 30px rgba(14,42,82,.12);display:none}
  .nav.open{display:flex}
  .nav a{padding:16px 20px;border-top:1px solid var(--line);font-size:15px}
  .menu-btn{display:block}
  .cart-btn .lbl{display:none}
}

/* Bandeau simulation */
.sim{background:#FFF4D6;color:#5C4400;font-family:var(--mono);font-size:12.5px;text-align:center;padding:8px 16px}

/* Héros */
.hero{position:relative;overflow:hidden;background:var(--navy);color:#F4F7FB}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(900px 520px at 85% 30%,rgba(124,192,245,.22),transparent 60%),
  radial-gradient(600px 400px at 10% 110%,rgba(31,78,156,.6),transparent 70%)}
.hero .lines{position:absolute;inset:0;opacity:.13;background-image:repeating-linear-gradient(0deg,transparent 0 46px,rgba(255,255,255,.6) 46px 47px)}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;padding-top:72px;padding-bottom:88px}
.hero .eyebrow{color:var(--sky)}
.hero h1{font-size:clamp(42px,6.2vw,82px);margin:18px 0 22px}
.hero h1 em{font-style:italic;font-weight:500;color:var(--sky)}
.hero p{color:#C9D6E8;font-size:clamp(19px,2vw,22px);max-width:34ch;margin:0 0 30px}
.hero .ctas{display:flex;gap:12px;flex-wrap:wrap}
.hero .btn-ghost{color:#fff;border-color:rgba(255,255,255,.55)}
.hero .btn-ghost:hover{background:#fff;color:var(--navy)}
.pay-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:30px}
.pay-row span{font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;border:1px solid rgba(255,255,255,.28);color:#DCE6F3;border-radius:999px;padding:5px 11px}
.shelf{position:relative;height:clamp(380px,46vw,560px)}
.shelf img{position:absolute;width:clamp(200px,24vw,310px);aspect-ratio:2/3;object-fit:cover;border-radius:3px 8px 8px 3px;box-shadow:0 30px 60px rgba(0,0,0,.45),inset 0 0 0 1px rgba(255,255,255,.08);transition:transform .7s var(--ease)}
.shelf img:nth-child(1){left:0;top:12%;transform:rotate(-6deg);z-index:1}
.shelf img:nth-child(2){right:0;top:0;transform:rotate(4deg);z-index:2}
.shelf:hover img:nth-child(1){transform:rotate(-8deg) translateX(-10px)}
.shelf:hover img:nth-child(2){transform:rotate(6deg) translateX(10px)}
.shelf img.seal{z-index:3;left:auto;right:40%;top:auto;bottom:0;width:clamp(90px,10vw,124px);aspect-ratio:1;border-radius:50%;box-shadow:none;transform:none;filter:drop-shadow(0 10px 24px rgba(0,0,0,.4))}
.shelf:hover img.seal{transform:rotate(-12deg)}
@media (max-width:860px){
  .hero .wrap{grid-template-columns:1fr;padding-top:48px;padding-bottom:56px}
  .shelf{height:min(108vw,460px)}
  .shelf img{width:min(52vw,250px)}
  .shelf img.seal{width:84px}
}

/* Sections */
section{scroll-margin-top:80px}
.sec{padding:96px 0}
.sec-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:44px;flex-wrap:wrap}
.sec-head .lead{margin:14px 0 0}

/* Cartes livres */
.books{display:grid;grid-template-columns:repeat(2,1fr);gap:32px}
.book{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);display:grid;grid-template-columns:200px 1fr;gap:26px;padding:26px;transition:box-shadow .3s,transform .3s var(--ease)}
.book:hover{box-shadow:0 18px 40px rgba(14,42,82,.10);transform:translateY(-3px)}
.book .cv{width:200px;height:auto;align-self:start;aspect-ratio:2/3;object-fit:cover;border-radius:2px 6px 6px 2px;box-shadow:0 14px 28px rgba(0,0,0,.22);cursor:pointer}
.book .tag{display:inline-block;font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;background:var(--sky-soft);color:var(--royal);border-radius:999px;padding:4px 10px;margin-bottom:12px}
.book h3{font-size:clamp(24px,2.4vw,30px)}
.book .sub{color:var(--muted);font-size:17px;margin:8px 0 14px;line-height:1.4}
.book .hook{font-style:italic;color:var(--navy);margin:0 0 16px}
.book .meta{font-family:var(--mono);font-size:12px;color:var(--muted);letter-spacing:.03em;margin-bottom:18px}
.book .buy{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.price{font-family:var(--serif-d);font-size:28px;font-weight:600;color:var(--navy)}
.price small{font-family:var(--mono);font-size:12px;font-weight:400;color:var(--muted);margin-left:4px}
.link{background:none;border:0;padding:0;color:var(--royal);text-decoration:underline;text-underline-offset:3px;cursor:pointer;font-family:var(--mono);font-size:13px}
@media (max-width:1000px){.books{grid-template-columns:1fr}}
@media (max-width:560px){
  .book{grid-template-columns:1fr;padding:20px}
  .book .cv{width:min(220px,70%);margin:0 auto}
}

/* Offre */
.offer{margin-top:40px;background:linear-gradient(120deg,var(--navy),var(--royal));color:#fff;border-radius:var(--r);padding:34px;display:grid;grid-template-columns:auto 1fr auto;gap:30px;align-items:center}
.offer .duo{display:flex}
.offer .duo img{width:92px;aspect-ratio:2/3;object-fit:cover;border-radius:2px 5px 5px 2px;box-shadow:0 10px 24px rgba(0,0,0,.35)}
.offer .duo img+img{margin-left:-26px;transform:rotate(6deg)}
.offer .duo img:first-child{transform:rotate(-5deg)}
.offer h3{font-size:28px}
.offer p{margin:6px 0 0;color:#CFDDF0}
.offer .p{text-align:right}
.offer .p s{color:#A9BCD8;font-family:var(--mono);font-size:14px}
.offer .p b{display:block;font-family:var(--serif-d);font-size:36px;margin:2px 0 12px}
@media (max-width:760px){.offer{grid-template-columns:1fr;text-align:left}.offer .p{text-align:left}}

/* Auteur */
.author{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.author .wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:64px;align-items:center}
.portrait{position:relative}
.portrait img{width:100%;max-width:440px;aspect-ratio:4/5;object-fit:cover;border-radius:var(--r);background:var(--sky-soft)}
.portrait::after{content:"";position:absolute;inset:18px -18px -18px 18px;border:1.5px solid var(--sky);border-radius:var(--r);z-index:-1;max-width:440px}
.portrait{isolation:isolate}
.author blockquote{font-family:var(--serif-d);font-style:italic;font-size:clamp(24px,2.6vw,32px);line-height:1.25;color:var(--navy);margin:20px 0 24px;padding-left:20px;border-left:3px solid var(--brass)}
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:28px}
.facts div{border-top:1px solid var(--line);padding-top:12px}
.facts b{font-family:var(--serif-d);font-size:30px;color:var(--royal);display:block}
.facts span{font-family:var(--mono);font-size:12px;color:var(--muted)}
@media (max-width:860px){.author .wrap{grid-template-columns:1fr;gap:40px}.portrait img{max-width:300px}.portrait::after{max-width:300px;inset:12px auto -12px 12px;width:calc(100% - 12px)}}

/* Formulaires */
.duo-forms{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:32px}
.panel.dark{background:var(--navy);color:#EAF1FA;border-color:var(--navy)}
.panel.dark .eyebrow{color:var(--sky)}
.panel.dark .muted{color:#B6C6DC}
.panel h3{font-size:30px;margin:10px 0 10px}
.muted{color:var(--muted)}
form .row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
label.f{display:block;margin:14px 0 0;font-family:var(--mono);font-size:12px;letter-spacing:.04em}
label.f>span{display:block;margin-bottom:6px}
input[type=text],input[type=email],input[type=tel],input[type=password],select,textarea{width:100%;background:#fff;border:1.5px solid var(--line);border-radius:10px;padding:12px 14px;font-family:var(--serif);font-size:18px;color:var(--ink)}
.panel.dark input,.panel.dark select,.panel.dark textarea{border-color:transparent}
textarea{min-height:120px;resize:vertical}
input:focus,select:focus,textarea:focus{border-color:var(--royal);outline:0;box-shadow:0 0 0 3px rgba(124,192,245,.35)}
.check{display:flex;gap:10px;align-items:flex-start;margin:16px 0 0;font-size:15.5px;line-height:1.45;cursor:pointer}
.check input{width:19px;height:19px;margin-top:3px;accent-color:var(--royal);flex:none}
.hp{position:absolute;left:-9999px}
.msg{margin-top:14px;font-family:var(--mono);font-size:13px;min-height:1em}
.msg.ok{color:var(--ok)}.msg.err{color:var(--err)}
.panel.dark .msg.ok{color:#8FE0B5}.panel.dark .msg.err{color:#FFB4AB}
form .btn{margin-top:20px}
@media (max-width:860px){.duo-forms{grid-template-columns:1fr}form .row{grid-template-columns:1fr}.panel{padding:24px}}

/* Pied */
.foot{background:#0A1F3D;color:#B6C6DC;padding:56px 0 28px;font-size:16px}
.foot .grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.foot h4{font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:#fff;margin:0 0 14px;font-weight:500}
.foot a{color:#DCE6F3;text-decoration:none}
.foot a:hover{color:var(--sky)}
.foot ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.foot .legal{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:20px;font-family:var(--mono);font-size:12px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.foot form{display:flex;gap:8px;margin-top:12px}
.foot form input{flex:1;min-width:0}
.foot form .btn{margin:0}
@media (max-width:860px){.foot .grid{grid-template-columns:1fr}}

/* Tiroir panier & fenêtres */
.veil{position:fixed;inset:0;background:rgba(10,20,40,.5);opacity:0;pointer-events:none;transition:opacity .25s;z-index:60}
.veil.on{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(460px,100%);background:var(--cream);z-index:70;transform:translateX(100%);visibility:hidden;transition:transform .35s var(--ease),visibility 0s .35s;display:flex;flex-direction:column}
.drawer.on{transform:none;visibility:visible;transition:transform .35s var(--ease)}
.drawer header{display:flex;justify-content:space-between;align-items:center;padding:20px 22px;border-bottom:1px solid var(--line)}
.drawer header h3{font-size:26px}
.x{background:none;border:0;width:40px;height:40px;font-size:28px;line-height:1;cursor:pointer;color:var(--navy)}
.drawer .body{flex:1;overflow:auto;padding:18px 22px}
.line{display:grid;grid-template-columns:54px 1fr auto;gap:12px;align-items:center;padding:12px 0;border-bottom:1px solid var(--line)}
.line img{width:54px;aspect-ratio:2/3;object-fit:cover;border-radius:2px 4px 4px 2px}
.line b{font-family:var(--serif-d);font-weight:600;font-size:17px;line-height:1.2;display:block}
.line small{font-family:var(--mono);font-size:12px;color:var(--muted)}
.line .rm{background:none;border:0;color:var(--muted);cursor:pointer;font-family:var(--mono);font-size:12px;text-decoration:underline}
.tot{display:flex;justify-content:space-between;align-items:baseline;margin:16px 0 6px}
.tot b{font-family:var(--serif-d);font-size:28px;color:var(--navy)}
.hint{font-family:var(--mono);font-size:12px;color:var(--muted);margin:6px 0 0;line-height:1.5}
.empty{text-align:center;color:var(--muted);padding:40px 0}
.upsell{background:var(--sky-soft);border-radius:10px;padding:12px 14px;font-size:15.5px;margin-top:14px}
.secure{display:flex;gap:8px;align-items:center;font-family:var(--mono);font-size:12px;color:var(--muted);margin-top:12px;justify-content:center}

dialog.modal{border:0;border-radius:var(--r);padding:0;max-width:min(860px,94vw);width:100%;background:var(--paper);color:var(--ink);box-shadow:0 30px 80px rgba(0,0,0,.35)}
dialog.modal::backdrop{background:rgba(10,20,40,.55)}
.modal .in{display:grid;grid-template-columns:260px 1fr;gap:30px;padding:30px;position:relative}
.modal .in img{width:100%;aspect-ratio:2/3;object-fit:cover;border-radius:2px 6px 6px 2px;box-shadow:0 14px 28px rgba(0,0,0,.22)}
.modal .x{position:absolute;right:10px;top:10px}
.modal ul{padding-left:20px;margin:10px 0 18px}
.modal li{margin:4px 0}
@media (max-width:700px){.modal .in{grid-template-columns:1fr;padding:22px}.modal .in img{width:180px}}

/* Assistant */
.chat-open{position:fixed;right:18px;bottom:18px;z-index:50;display:flex;align-items:center;gap:10px;background:var(--navy);color:#fff;border:0;border-radius:999px;padding:6px 16px 6px 6px;cursor:pointer;box-shadow:0 12px 30px rgba(14,42,82,.35);font-family:var(--mono);font-size:13px}
.chat-open img{width:40px;height:40px;border-radius:50%;object-fit:cover;border:2px solid var(--brass)}
.chat{position:fixed;right:18px;bottom:18px;width:min(380px,calc(100vw - 36px));height:min(560px,calc(100vh - 36px));background:var(--paper);border-radius:var(--r);box-shadow:0 24px 60px rgba(0,0,0,.3);z-index:55;display:none;flex-direction:column;overflow:hidden}
.chat.on{display:flex}
.chat header{background:var(--navy);color:#fff;padding:14px 16px;display:flex;gap:12px;align-items:center}
.chat header img{width:38px;height:38px;border-radius:50%;object-fit:cover;border:2px solid var(--brass)}
.chat header b{font-family:var(--serif-d);display:block}
.chat header small{font-family:var(--mono);font-size:11px;color:#B6C6DC}
.chat header .x{color:#fff;margin-left:auto}
.chat .log{flex:1;overflow:auto;padding:16px;display:flex;flex-direction:column;gap:10px;background:var(--cream)}
.bub{max-width:85%;padding:10px 14px;border-radius:14px;font-size:16.5px;line-height:1.45;white-space:pre-wrap}
.bub.a{background:#fff;border:1px solid var(--line);align-self:flex-start;border-bottom-left-radius:4px}
.bub.u{background:var(--royal);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.chat form{display:flex;gap:8px;padding:12px;border-top:1px solid var(--line)}
.chat form input{flex:1;min-width:0;font-size:16px}
.chat form .btn{margin:0;padding:10px 16px}

/* Pages simples (merci, légal, admin) */
.page{max-width:820px;margin:0 auto;padding:64px 20px 96px}
.page h1{font-size:clamp(36px,5vw,56px);margin:12px 0 24px}
.page h2{font-size:28px;margin:40px 0 12px}
.page p,.page li{font-size:18.5px}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:28px;margin:20px 0}
.dl{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:14px 0;border-bottom:1px solid var(--line);flex-wrap:wrap}
.dl:last-child{border-bottom:0}
.dl b{font-family:var(--serif-d);font-size:19px}
.dl small{display:block;font-family:var(--mono);font-size:12px;color:var(--muted)}
.spinner{width:34px;height:34px;border:3px solid var(--sky-soft);border-top-color:var(--royal);border-radius:50%;animation:spin 1s linear infinite;margin:10px 0}
@keyframes spin{to{transform:rotate(360deg)}}

.reveal{opacity:0;transform:translateY(18px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}.reveal{opacity:1;transform:none}}