@import url(/fonts.css);
/* RINKBOOK – Schriften wie in den Büchern: Caladea (Titel, Lesetext), Inter (Bedienung) */

:root{
  --paper:#f3f5f8; --surface:#ffffff; --ink:#0d1b3e; --text:#1d2740; --slate:#566079;
  --line:#d7dde7; --signal:#0a7ea4; --cyan:#40d6ff; --ember:#c9581a;
  --night:#0d1b3e;
  --serif:"Caladea",Georgia,"Times New Roman",serif;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --gutter:clamp(16px,4vw,32px);
  --max:1160px;
  --head-h:64px;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root{
  --paper:#0a142e; --surface:#101c3c; --ink:#eef2fa; --text:#d5dcea; --slate:#9aa6c2;
  --line:#22305a; --signal:#5fd2f5; --ember:#ff9a5c; --night:#060d22;
  color-scheme:dark}}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--head-h) + 16px)}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--paper);color:var(--text);font:400 clamp(16px,.35vw + 15px,18px)/1.6 var(--sans);font-feature-settings:"kern","liga";-webkit-font-smoothing:antialiased}
a{color:var(--signal);text-underline-offset:.18em;text-decoration-thickness:1px}
@media (hover:hover){a:hover{text-decoration-thickness:2px}}
:focus-visible{outline:3px solid var(--cyan);outline-offset:3px;border-radius:4px}
img{max-width:100%;height:auto;display:block}
.container{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:var(--gutter)}

/* Kopfzeile: bleibt oben, leicht durchscheinend */
.site-head{position:sticky;top:0;z-index:5;background:color-mix(in srgb,var(--paper) 84%,transparent);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
.site-head .container{display:flex;align-items:center;justify-content:space-between;gap:12px;height:var(--head-h)}
.wordmark{font:700 22px/1 var(--serif);letter-spacing:.03em;color:var(--ink);text-decoration:none;white-space:nowrap}
.wordmark span{color:var(--signal)}
.site-nav{display:flex;gap:4px;font-size:15px;font-weight:500}
.site-nav a{color:var(--slate);text-decoration:none;padding:10px 12px;border-radius:8px;min-height:44px;display:inline-flex;align-items:center}
@media (hover:hover){.site-nav a:hover{color:var(--ink);background:color-mix(in srgb,var(--ink) 7%,transparent)}}

/* Einstieg: dunkles Regal mit Text und Covern */
.hero{background:radial-gradient(120% 90% at 85% 10%,#1a3270 0%,transparent 55%),var(--night);color:#e6ecf8;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:10px;background:var(--cyan)}
.hero-inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:clamp(32px,5vw,72px);align-items:end;padding-top:clamp(48px,8vw,104px)}
.hero-text{padding-bottom:clamp(48px,7vw,96px);align-self:center}
.hero h1{font:700 clamp(40px,6.2vw,76px)/1.02 var(--serif);color:#fff;margin:0;letter-spacing:-.01em;text-wrap:balance}
.hero p{font:400 clamp(18px,1.6vw,21px)/1.55 var(--serif);color:#b9c4dc;max-width:44ch;margin:22px 0 32px}
.shelf{display:flex;align-items:flex-end;gap:clamp(10px,1.6vw,22px);padding-bottom:10px;width:100%;max-width:620px;justify-self:end}
.shelf a{flex:var(--r) 1 0;min-width:0;display:block;transition:transform .3s cubic-bezier(.2,.7,.3,1)}
.shelf img{width:100%;height:auto;border-radius:2px 4px 4px 2px;box-shadow:0 24px 48px #00000070,0 2px 0 #ffffff12}
@media (hover:hover){.shelf a:hover{transform:translateY(-8px)}}

/* Knöpfe */
.actions{display:flex;flex-wrap:wrap;gap:12px}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border-radius:10px;font:600 16px/1 var(--sans);text-decoration:none;background:var(--ink);color:var(--paper);transition:background-color .2s,color .2s,box-shadow .2s}
@media (hover:hover){.button:hover{background:var(--signal);color:#fff}}
.button.light{background:#fff;color:#0d1b3e}
@media (hover:hover){.button.light:hover{background:var(--cyan);color:#0d1b3e}}
.button.outline{background:transparent;color:#fff;box-shadow:inset 0 0 0 1.5px #ffffff66}
@media (hover:hover){.button.outline:hover{box-shadow:inset 0 0 0 1.5px #fff;background:#ffffff10}}
@media (prefers-color-scheme:dark){.button{background:var(--signal);color:#06122b}}
@media (prefers-color-scheme:dark) and (hover:hover){.button:hover{background:#fff;color:#06122b}}

/* Abschnitte */
section.container{padding-top:clamp(64px,9vw,112px)}
.section-title{font:700 clamp(28px,3.4vw,38px)/1.15 var(--serif);color:var(--ink);margin:0 0 10px}
.section-lead{color:var(--slate);margin:0 0 clamp(24px,4vw,40px);max-width:60ch}

/* Bücher */
.book{display:grid;grid-template-columns:clamp(150px,20vw,240px) minmax(0,1fr);gap:clamp(20px,5vw,64px);padding:clamp(28px,4.5vw,48px) 0;border-top:1px solid var(--line);align-items:start}
.book:last-child{border-bottom:1px solid var(--line)}
.book-cover{position:sticky;top:calc(var(--head-h) + 24px)}
.book-cover img{width:100%;border-radius:2px 4px 4px 2px;box-shadow:0 14px 34px #0d1b3e40}
.book h3{font:700 clamp(25px,3vw,36px)/1.12 var(--serif);color:var(--ink);margin:0;text-wrap:balance}
.book .subtitle{font:italic 400 clamp(17px,1.5vw,20px)/1.45 var(--serif);color:var(--slate);margin:8px 0 18px;max-width:52ch;text-wrap:pretty}
.status{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--ember);margin-bottom:12px}
.status::before{content:"";width:8px;height:8px;border-radius:50%;background:currentColor}
.status.live{color:#1d8a62}
@media (prefers-color-scheme:dark){.status.live{color:#4fd6a2}}
.book p{margin:0 0 16px;max-width:62ch;text-wrap:pretty}
.facts{display:grid;grid-template-columns:max-content minmax(0,1fr);gap:8px 24px;margin:22px 0 28px;font-size:15px;padding:16px 18px;background:var(--surface);border:1px solid var(--line);border-radius:12px;max-width:62ch}
.facts dt{color:var(--slate)}
.facts dd{margin:0;color:var(--text);font-variant-numeric:tabular-nums}

/* Über */
.about{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(28px,5vw,72px)}
.about p{font:400 clamp(18px,1.4vw,20px)/1.65 var(--serif);margin:0 0 16px;color:var(--text)}
.promise{margin:0;padding:0;list-style:none;display:grid;gap:24px}
.promise li{padding-left:18px;border-left:3px solid var(--cyan)}
.promise h3{font:600 17px/1.3 var(--sans);color:var(--ink);margin:0 0 4px}
.promise p{font:400 16px/1.6 var(--sans);color:var(--slate);margin:0}

/* Fuß */
.site-foot{margin-top:clamp(72px,10vw,120px);border-top:1px solid var(--line);padding:24px 0 calc(32px + env(safe-area-inset-bottom));font-size:15px;color:var(--slate)}
.site-foot .container{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 32px}
.site-foot nav{display:flex;gap:8px}
.site-foot nav a{padding:10px 8px;min-height:44px;display:inline-flex;align-items:center}

/* Rechtstexte */
.legal{padding-top:clamp(40px,6vw,64px)}
.legal h1{font:700 clamp(34px,5vw,46px)/1.1 var(--serif);color:var(--ink);margin:0 0 6px}
.legal h2{font:600 19px/1.35 var(--sans);color:var(--ink);margin:36px 0 8px}
.legal p,.legal li{max-width:68ch}
.legal ul{padding-left:1.2em}

/* Tablet */
@media (max-width:960px){
  .hero-inner{grid-template-columns:1fr;gap:8px}
  .hero-text{padding-bottom:24px}
  .shelf{justify-self:start;max-width:560px}
  .about{grid-template-columns:1fr}
}
/* Handy */
@media (max-width:640px){
  :root{--head-h:58px}
  .wordmark{font-size:20px}
  .site-nav{font-size:14px;gap:0}
  .site-nav a{padding:10px 8px}
  .shelf{gap:10px;max-width:none}
  .book{grid-template-columns:1fr;gap:20px}
  .book-cover{position:static;max-width:200px}
  .book .actions .button{flex:1 1 100%}
}
@media (max-width:400px){
  .site-nav a[href^="mailto"]{display:none}
  .facts{grid-template-columns:1fr;gap:2px}
  .facts dd{margin-bottom:8px}
}