/* Base */
:root{
  --bg:#000000;
  --fg:#ffffff;
  --muted:#cfd3d8;
  --line:rgba(255,255,255,.15);
  --card:rgba(255,255,255,.05);
  --btn:#F2D27A; /* gelblich */
  --btn-text:#111111;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--fg);
  font:400 16px/1.6 system-ui, -apple-system, Segoe UI, Roboto, Inter, Arial, sans-serif;
}
.wrap{max-width:1024px;margin:0 auto;padding:20px}
a{color:var(--fg);text-decoration:none}
a:hover{text-decoration:underline}

/* Header */
.site-header{border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(0,0,0,.85);backdrop-filter:saturate(120%) blur(6px)}
.brand{font-weight:800;letter-spacing:.02em}

/* Cards */
.card{
  display:flex;
  gap:24px;
  border:1px solid var(--line);
  background:var(--card);
  border-radius:16px;
  padding:20px;
  box-shadow:0 10px 30px rgba(0,0,0,.35);
  margin:22px 0;
}
.card--book .card__media{
  flex:0 0 280px;
  display:flex;
  align-items:center;
  justify-content:center;
}
.card__media img{
  width:100%; height:auto; border-radius:12px; box-shadow:0 8px 26px rgba(0,0,0,.45);
}
.card__body{flex:1}
.card__body.only{margin-left:4px}
.title{margin:.2em 0 .2em; font-weight:800; letter-spacing:.01em}
.title .subtitle{font-weight:600; opacity:.9}
.meta{list-style:none; padding:0; margin:10px 0 18px; display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:8px 16px}
.meta li{border-bottom:1px dashed var(--line); padding-bottom:6px}
.actions{margin-top:6px}
.btn{
  display:inline-block;
  background:var(--btn);
  color:var(--btn-text);
  font-weight:700;
  padding:12px 16px;
  border-radius:999px;
  box-shadow:0 8px 18px rgba(242,210,122,.35);
  transition:transform .08s ease, box-shadow .2s ease;
  text-decoration:none;
}
.btn:hover{transform:translateY(-1px); box-shadow:0 12px 24px rgba(242,210,122,.45)}

/* Footer */
.site-footer{border-top:1px solid var(--line); color:var(--muted)}

/* Responsive */
@media (max-width:820px){
  .card{flex-direction:column}
  .card--book .card__media{flex:0 0 auto}
  .meta{grid-template-columns:1fr}
}