/* Skeyes — feuille de style commune */
:root{
  --ink:#16181D; --muted:#4A505C; --line:#E3E5EA; --soft:#F5F6F8;
  --accent:#1D5FD1; --accent-dark:#164AA6;
  --navy:#1F2A44; --orange:#E07A2F; --orange-dark:#B5541A;
  --serif:'Source Serif 4', Georgia, serif;
  --sans:Inter, system-ui, -apple-system, 'Segoe UI', sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);color:var(--ink);background:#fff;line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:var(--accent)} a:hover{color:var(--accent-dark)}
img{max-width:100%;display:block}
h1,h2,h3{line-height:1.15}
.serif{font-family:var(--serif)}
.wrap{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.narrow{max-width:900px}
.muted{color:var(--muted)}
.eyebrow{margin:0;font-size:14px;letter-spacing:.14em;text-transform:uppercase;font-weight:600;color:var(--accent)}
.kicker{font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.path{margin:0;font-size:14px;color:var(--muted)}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:16px;background:#fff;padding:8px 12px;z-index:10}

/* En-tête */
.site-header{background:#fff;border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;padding-bottom:14px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);min-height:44px}
.logo span{font-family:var(--serif);font-weight:700;font-size:24px}
.nav{display:flex;flex-wrap:wrap;gap:4px}
.nav a{padding:12px 14px;color:var(--muted);text-decoration:none;font-size:15px;border-bottom:2px solid transparent}
.nav a:hover{color:var(--ink)}
.nav a[aria-current="page"]{color:var(--ink);font-weight:600;border-bottom-color:var(--accent)}

/* Boutons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;border-radius:8px;font-weight:600;font-size:16px;text-decoration:none;border:1px solid transparent;cursor:pointer;font-family:inherit}
.btn-dark{background:var(--ink);color:#fff} .btn-dark:hover{background:#000;color:#fff}
.btn-light{background:#fff;color:var(--ink);border-color:#C9CDD5} .btn-light:hover{color:var(--ink);border-color:var(--ink)}
.btn-accent{background:var(--accent);color:#fff;border:none} .btn-accent:hover{background:var(--accent-dark);color:#fff}
.btn-sm{min-height:44px;padding:0 16px;font-size:15px}
.pills{display:flex;flex-wrap:wrap;gap:8px}
.pill{min-height:44px;min-width:44px;padding:0 18px;border-radius:999px;font-size:15px;font-family:inherit;cursor:pointer;border:1px solid #C9CDD5;background:#fff;color:var(--ink)}
.pill[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:600}

/* Sections */
.band{background:var(--soft)}
.dark{background:var(--ink);color:#fff}
.section{padding-top:72px;padding-bottom:72px}
.grid{display:grid;gap:24px}
.grid-auto{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.split{display:flex;flex-wrap:wrap;gap:56px;align-items:center}
.split > .main{flex:999 1 520px;min-width:0}
.split > .side{flex:1 1 320px}
.row-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:28px}
.row-head h2{margin:0}

/* Héros */
.hero{padding-top:80px;padding-bottom:80px}
.hero h1{margin:16px 0;font-family:var(--serif);font-weight:700;font-size:clamp(36px,5vw,58px);line-height:1.06}
.hero p.lead{margin:0;font-size:19px;line-height:1.6;color:var(--muted);max-width:560px}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.shelf{display:flex;justify-content:center;align-items:flex-end;gap:14px;padding-bottom:8px;border-bottom:6px solid #D9DCE2}

/* Couvertures */
.cover{aspect-ratio:2/3;border-radius:3px;display:flex;flex-direction:column;justify-content:space-between;padding:16px 14px;color:#fff}
.cover-2027{background:var(--navy);box-shadow:0 20px 40px rgba(22,24,29,.25)}
.cover .brand{font-size:9px;letter-spacing:.3em;font-weight:600;color:#D5DAE4}
.cover .big{font-family:var(--serif);font-weight:700;line-height:.9;color:var(--orange)}
.cover .small{font-family:var(--serif);color:#fff}
.cover .ed{font-size:9px;color:#D5DAE4}
.cover-blank{background:#E8EAEE;border:1px dashed #A9AFBA;color:var(--muted);align-items:center;justify-content:center;text-align:center;font-size:12px}
.mini-cover{flex:0 0 80px;aspect-ratio:2/3;background:var(--navy);border-radius:3px;display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-weight:700;color:var(--orange);font-size:22px}

/* Cartes */
.card{border:1px solid var(--line);border-radius:12px;background:#fff}
.book-card{display:flex;gap:18px;align-items:flex-start;padding:22px;text-decoration:none;color:var(--ink)}
.book-card:hover{border-color:#B9BEC8;color:var(--ink)}
.book-card .t{font-family:var(--serif);font-size:21px;font-weight:600;display:block;margin:6px 0}
.book-card .d{font-size:15px;color:var(--muted);display:block}
.book-card .f{font-size:14px;font-weight:600;color:var(--accent);display:block;margin-top:6px}
.card-dashed{border:1px dashed #C9CDD5;border-radius:12px;padding:22px;display:flex;flex-direction:column;justify-content:center;gap:6px}
.theme{display:flex;flex-direction:column;gap:8px;min-height:120px;padding:24px;background:var(--soft);border-radius:12px;text-decoration:none;color:var(--ink)}
.theme:hover{background:#ECEEF2;color:var(--ink)}
.theme b{font-size:18px}

/* Catalogue */
.cat-card{overflow:hidden;display:flex;flex-direction:column}
.cat-card .top{background:var(--soft);padding:32px;display:flex;justify-content:center}
.cat-card .top .cover{width:140px}
.cat-card .body{padding:22px;display:flex;flex-direction:column;gap:8px;flex:1}
.cat-card h2{margin:0;font-family:var(--serif);font-size:23px}
.cat-card .blurb{margin:0;font-size:15px;color:var(--muted);flex:1}
.cat-card .buy{display:flex;flex-wrap:wrap;gap:10px;align-items:center;padding-top:6px}
.soon{display:inline-flex;align-items:center;min-height:44px;padding:0 18px;border:1px dashed #A9AFBA;color:var(--muted);border-radius:8px;font-size:15px}
[hidden]{display:none !important}

/* Formulaire */
.field{display:flex;flex-direction:column;gap:6px;font-size:14px;color:var(--muted)}
.field input{min-height:48px;padding:0 14px;border-radius:8px;border:1px solid #C9CDD5;background:#fff;color:var(--ink);font-size:16px;font-family:inherit}
.signup{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end}
.signup .field{flex:1 1 220px}

/* Pages livre (couleurs du livre 2027) */
.book-theme a{color:var(--orange-dark)}
.qr-band{background:var(--orange)}
.qr-band .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;padding-bottom:14px}
.qr-band p{margin:0;color:var(--navy)}
.btn-navy{background:var(--navy);color:#fff} .btn-navy:hover{background:#141D33;color:#fff}
.btn-orange{background:var(--orange-dark);color:#fff} .btn-orange:hover{background:#8E3F10;color:#fff}
.btn-outline-navy{border-color:var(--navy);color:var(--navy);background:transparent} .btn-outline-navy:hover{background:var(--navy);color:#fff}
.book-theme .pill[aria-pressed="true"]{background:var(--navy);border-color:var(--navy)}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.step{background:#F4F5F7;border-radius:10px;padding:24px}
.step .n{font-size:13px;font-weight:700;color:var(--orange-dark)}
.step h3{margin:8px 0;font-size:18px}
.step p{margin:0;font-size:15px;color:var(--muted)}
.toc{margin:0;padding:0;list-style:none}
.toc li{display:flex;gap:16px;align-items:baseline;padding:14px 0;border-bottom:1px solid var(--line)}
.toc .num{flex:0 0 36px;font-family:var(--serif);font-weight:700;font-size:20px;color:var(--orange-dark)}
.toc .tt{font-size:17px}
.panel-navy{background:var(--navy);color:#fff;border-radius:12px;padding:28px;display:flex;flex-direction:column;gap:14px}
.panel-navy p{color:#D5DAE4;margin:0}
.dl{display:flex;align-items:center;gap:10px;min-height:44px;font-size:15px;text-decoration:none}

/* Sources */
.src-chapter{overflow:hidden}
.src-chapter .head{padding:20px 24px;display:flex;gap:16px;align-items:baseline;border-bottom:1px solid #E6E9EE}
.src-chapter .head .num{font-family:var(--serif);font-weight:700;font-size:22px;color:var(--orange-dark)}
.src-chapter .head h2{margin:0;font-family:var(--serif);font-size:22px;font-weight:600}
.src-list{margin:0;padding:0;list-style:none}
.src-list li{padding:16px 24px;display:flex;flex-wrap:wrap;gap:8px 24px;align-items:center;border-bottom:1px solid #F0F2F5}
.src-list .meta{flex:1 1 420px;display:flex;flex-direction:column;gap:4px}
.src-list .org{font-size:13px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:#5B6270}
.src-list .ti{font-size:16px}
.src-list .date{font-size:13px;color:#5B6270}
.src-open{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 14px;border:1px solid var(--line);border-radius:6px;font-size:14px;font-weight:600;text-decoration:none}
.update{display:flex;flex-wrap:wrap;gap:6px 20px;padding:12px 0;border-top:1px solid #E6E9EE}
.update .when{flex:0 0 120px;font-size:14px;font-weight:600;color:#5B6270}
.update .what{flex:1 1 400px;font-size:15px}

/* Pied de page */
.site-footer{background:var(--ink);color:#B9BEC8}
.site-footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;padding-top:40px;padding-bottom:40px;font-size:14px}
.site-footer nav{display:flex;flex-wrap:wrap;gap:20px}
.site-footer a{color:#D5D8DE}

@media (max-width:600px){
  .hero{padding-top:48px;padding-bottom:48px}
  .section{padding-top:48px;padding-bottom:48px}
  .shelf .cover-blank{display:none}
}