*{box-sizing:border-box}body{margin:0;font-family:Georgia,'Times New Roman',serif;color:#2b2420;background:#fbf7f2;line-height:1.65;font-size:18px}
a{color:#8a3b2e}header,footer{background:#f1e7dc}header .in,footer .in,main{max-width:860px;margin:0 auto;padding:16px 20px}
header .in{display:flex;flex-wrap:wrap;gap:12px 22px;align-items:center}header .logo{font-weight:bold;font-size:20px;text-decoration:none;color:#2b2420;margin-right:auto}
nav a{text-decoration:none;font-size:16px}h1{font-size:32px;line-height:1.25;margin:24px 0 8px}h2{font-size:23px;margin:34px 0 8px}
.lead{font-size:20px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin:20px 0}
.carte{background:#fff;border:1px solid #eadccd;border-radius:10px;padding:14px}.carte img{width:100%;height:auto;border-radius:6px}
.livre{display:grid;grid-template-columns:minmax(0,300px) 1fr;gap:26px;align-items:start}@media(max-width:640px){.livre{grid-template-columns:1fr}}
.livre img{width:100%;height:auto;border-radius:8px;box-shadow:0 4px 14px rgba(0,0,0,.15)}
.btn{display:inline-block;background:#8a3b2e;color:#fff;padding:10px 16px;border-radius:8px;text-decoration:none;margin:4px 6px 4px 0;font-family:Arial,sans-serif;font-size:16px}
.btn.sec{background:#fff;color:#8a3b2e;border:1px solid #8a3b2e}.prix{font-weight:bold}.petit{font-size:15px;color:#6b5d54}
details{background:#fff;border:1px solid #eadccd;border-radius:8px;padding:10px 14px;margin:10px 0}summary{cursor:pointer;font-weight:bold}
footer{margin-top:40px;font-size:15px}footer .in{display:flex;flex-wrap:wrap;gap:8px 20px}