:root{
  --bg:#fbfaf7;
  --ink:#121212;
  --muted:#5f5f5f;
  --rule:#d9d6cf;
  --card:#ffffff;
  --max: 980px;

  --serif: "Garamond", "Adobe Garamond Pro", "EB Garamond", "Baskerville", "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

*{
  box-sizing:border-box;
}

html{
  scroll-behavior:smooth;
}

html,body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--ink);
}

body{
  font-family:var(--serif);
  line-height:1.55;
  font-kerning:normal;
  text-rendering:optimizeLegibility;
  -webkit-font-smoothing:antialiased;
}

a{
  color:inherit;
  text-decoration:none;
}

a:hover{
  text-decoration:underline;
}

/* ===========================
   Layout
   =========================== */

.container{
  max-width:var(--max);
  margin:0 auto;
  padding:8px 18px 64px;
}

.header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:14px 0 18px;
  margin-bottom:1px;
}

.logo{
  width:260px;
  height:auto;
  display:block;
}


.brand .name{
  font-family:var(--serif);
  font-size:22px;
  letter-spacing:0.2px;
}

.brand .tagline{
  font-family:var(--sans);
  font-style:italic;
  font-size:13px;
  color:var(--muted);
}

.nav{
  display:flex;
  gap:16px;
  flex-wrap:wrap;
  font-family:var(--sans);
  font-size:14px;
  line-height:1;
}

.nav a{
  color:var(--muted);
  padding:6px 0;
}

.nav a.active{
  color:var(--ink);
  text-decoration:underline;
  text-underline-offset:6px;
}

/* ===========================
   Hero
   =========================== */

.hero{
  display:grid;
  grid-template-columns:1fr 1.2fr;
  gap:26px;
  align-items:start;
  padding:10px 0 28px;
  border-bottom:1px solid var(--rule);
  margin-bottom:28px;
}

.cover{
  width:100%;
  min-height:320px;
  border:1px solid var(--rule);
  background:var(--card);
  aspect-ratio:3 / 4;
  object-fit:cover;
}

.cover-detail{
  width:100%;
  border:1px solid var(--rule);
  background:var(--card);
  height:auto;
  object-fit: contain;
}

.h1{
  font-size:34px;
  line-height:1.12;
  margin:0 0 8px;
  letter-spacing:0.2px;
}

.h2{
  font-size:16px;
  margin:0 0 12px;
  color:var(--muted);
  font-family:var(--sans);
}

.meta{
  font-family:var(--sans);
  font-size:12px;
  color:var(--muted);
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin:0 0 16px;
}

.p{
  margin:0 0 14px;
  font-size:16px;
}

.statement{
  margin:0 0 26px;
  max-width:70ch;
}

.rule{
  border-top:1px solid var(--rule);
  margin:28px 0;
}

/* ===========================
   Grid / Cards
   =========================== */

.grid{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:18px;
}

.book-card{
  display:flex;
  flex-direction:column;
  gap:8px;
}

.book-card .title{
  font-size:14px;
  margin:0;
}

.book-card .author{
  font-family:var(--sans);
  font-size:12px;
  color:var(--muted);
  margin:0;
}

.book-card .status{
  font-family:var(--sans);
  font-size:12px;
  color:var(--muted);
  margin:0;
}

.small{
  font-family:var(--sans);
  font-size:12px;
  color:var(--muted);
}

/* ===========================
   Footer
   =========================== */

.footer{
  border-top:1px solid var(--rule);
  margin-top:48px;
  padding-top:18px;

  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;

  font-family:var(--sans);
  font-size:12px;
  color:var(--muted);
}

.footer-left{
  justify-self:start;
}

.footer-tagline{
  justify-self:center;
  font-family:var(--serif);
  font-style:italic;
  font-size:14px;
  color:var(--ink);
}

.footer-right{
  justify-self:end;
}

/* ===========================
   Buttons
   =========================== */

.btn{
  display:inline-block;
  font-family:var(--sans);
  font-size:13px;
  padding:10px 12px;
  border:1px solid var(--rule);
  background:transparent;
  border-radius:0;
}

.btn:hover{
  background:#f3f1ec;
  text-decoration:none;
}

/* ===========================
   Detail Layout
   =========================== */

.section-title{
  font-family:var(--sans);
  font-size:12px;
  letter-spacing:0.12em;
  text-transform:uppercase;
  color:var(--muted);
  margin:0 0 12px;
}

.detail{
  display:grid;
  grid-template-columns:1fr 1.4fr;
  gap:26px;
  align-items:start;
}

.kv{
  font-family:var(--sans);
  font-size:12px;
  color:var(--muted);
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin:10px 0 14px;
}

.block h3{
  font-family:var(--sans);
  font-size:12px;
  letter-spacing:0.12em;
  text-transform:uppercase;
  color:var(--muted);
  margin:18px 0 8px;
}

.block p{
  margin:0 0 12px;
}

.list{
  margin:0;
  padding-left:18px;
}

.list li{
  margin:0 0 6px;
}

/* ===========================
   Responsive
   =========================== */

@media (max-width:900px){
  .grid{ grid-template-columns:repeat(3, 1fr); }
  .hero{ grid-template-columns:1fr; }
  .detail{ grid-template-columns:1fr; }
}

@media (max-width:600px){

  .container{
    padding:6px 14px 40px;
  }

  .header{
    flex-direction:column;
    align-items:flex-start;
    gap:10px;
    padding:10px 0 10px;
  }

  .logo{
    width:170px;
  }

  .nav{
    gap:12px;
    font-size:13px;
  }

  .nav a{
    padding:4px 0;
  }

  .hero{
    gap:16px;
    padding:4px 0 14px;
    margin-bottom:18px;
  }

  .cover{
    max-height:360px;
    width:auto;
    min-height:0;
    justify-self:start;
  }

  .h1{
    font-size:26px;
    margin:0 0 6px;
  }

  .h2{
    margin:0 0 10px;
  }

  .meta{
    margin:0 0 12px;
  }

  .statement{
    margin:0 0 18px;
  }

  .grid{
    grid-template-columns:repeat(2, 1fr);
  }
}