/* ── Let's go free · Ebook Web-Styles ─────────────────────────────────────── */
:root {
  --dark:#0f0d0a; --dark2:#1a1612; --dark3:#2a2218; --dark4:#1e1a14;
  --gold:#C9A882; --gold-d:#8B7355; --gold-deep:#4a3d2a;
  --cream:#F0E8DC; --cream3:#F5E6D3; --body:#2a1f14; --muted:#7a6a58;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Poppins',sans-serif;background:var(--dark);color:var(--cream);min-height:100vh;-webkit-font-smoothing:antialiased}
body::before{content:'';position:fixed;inset:0;pointer-events:none;z-index:0;
  background:radial-gradient(ellipse 70% 40% at 20% 0%,rgba(201,168,130,.10) 0%,transparent 60%),
             radial-gradient(ellipse 50% 60% at 80% 100%,rgba(42,34,24,.6) 0%,transparent 60%)}
.page{position:relative;z-index:1;max-width:680px;margin:0 auto;padding:0 24px 80px}
.topnav{display:flex;align-items:center;justify-content:space-between;padding:20px 0 16px;border-bottom:1px solid rgba(201,168,130,.15);margin-bottom:40px}
.nav-brand{font-size:13.8px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--gold-d);text-decoration:none}
.nav-chapters{display:flex;gap:6px}
.nav-dot{width:28px;height:28px;border-radius:50%;background:rgba(201,168,130,.08);border:1px solid rgba(201,168,130,.2);display:flex;align-items:center;justify-content:center;font-size:11.5px;font-weight:600;color:var(--gold-d);text-decoration:none;transition:all .2s}
.nav-dot.active{background:var(--gold);border-color:var(--gold);color:var(--dark)}
.nav-dot:hover:not(.active){background:rgba(201,168,130,.18);color:var(--gold)}
.section-tag{display:inline-block;font-size:11.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);background:rgba(201,168,130,.1);border:1px solid rgba(201,168,130,.25);border-radius:20px;padding:4px 14px;margin-bottom:18px}
h1{font-size:clamp(32.2px,6vw,43.7px);font-weight:700;color:var(--cream);line-height:1.2;margin-bottom:6px}
h1 span{color:var(--gold)}
.rule{width:48px;height:2px;background:linear-gradient(90deg,var(--gold),transparent);margin:18px 0 28px}
h2{font-size:clamp(20.7px,4vw,25.3px);font-weight:600;color:var(--cream);margin:32px 0 12px;display:flex;align-items:center;gap:12px}
h2::before{content:'';display:inline-block;width:3px;height:18px;background:var(--gold);border-radius:2px;flex-shrink:0}
h3{font-size:17.2px;font-weight:600;color:var(--gold);margin:24px 0 10px;letter-spacing:.02em}
p{font-size:18.4px;font-weight:300;line-height:1.75;color:var(--cream);margin-bottom:16px}
ul.bullets{list-style:none;margin:0 0 20px}
ul.bullets li{display:flex;align-items:flex-start;gap:12px;font-size:17.2px;font-weight:300;line-height:1.65;color:var(--cream);margin-bottom:10px}
ul.bullets li::before{content:'·';color:var(--gold);font-size:25.3px;line-height:1.3;flex-shrink:0}
ul.bullets.cross li::before{content:'×';color:var(--gold-d);font-size:18.4px;line-height:1.6}
.hl-box{border-left:4px solid var(--gold);background:linear-gradient(135deg,rgba(201,168,130,.1),rgba(42,34,24,.4));border-radius:0 12px 12px 0;padding:20px 22px;margin:28px 0}
.hl-box-label{font-size:11.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);margin-bottom:8px}
.hl-box p{font-size:17.2px;font-style:italic;color:var(--cream);margin:0;line-height:1.65}
.warn-box{border-left:4px solid #e07070;background:rgba(224,112,112,.08);border-radius:0 12px 12px 0;padding:16px 20px;margin:20px 0}
.warn-box p{font-size:16.1px;color:#f0b0b0;margin:0;line-height:1.6}
.tip-box{border-left:4px solid var(--gold-d);background:rgba(139,115,85,.1);border-radius:0 12px 12px 0;padding:14px 18px;margin:16px 0}
.tip-box p{font-size:16.1px;color:var(--cream);margin:0;line-height:1.6}
.info-box{background:rgba(201,168,130,.08);border:1px solid rgba(201,168,130,.2);border-radius:12px;padding:18px 20px;margin:20px 0}
.info-box-title{font-size:12.6px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);margin-bottom:12px}
.info-box ul{list-style:none}
.info-box ul li{display:flex;gap:10px;font-size:16.1px;font-weight:300;line-height:1.6;color:var(--cream);margin-bottom:8px}
.info-box ul li::before{content:'·';color:var(--gold);font-size:20.7px;line-height:1.3;flex-shrink:0}
.two-box{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:20px 0}
.two-box-item{background:rgba(201,168,130,.06);border:1px solid rgba(201,168,130,.18);border-top:3px solid var(--gold-deep);border-radius:10px;padding:16px}
.two-box-title{font-size:13.8px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--gold);margin-bottom:10px}
.two-box-item ul{list-style:none}
.two-box-item ul li{font-size:14.9px;font-weight:300;line-height:1.6;color:var(--cream);margin-bottom:6px;display:flex;gap:8px}
.two-box-item ul li::before{content:'·';color:var(--gold-d);flex-shrink:0}
table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14.9px}
th{background:var(--gold-deep);color:var(--cream);font-weight:600;padding:10px 12px;text-align:left;font-size:12.6px;letter-spacing:.06em;text-transform:uppercase}
td{padding:9px 12px;border-bottom:1px solid rgba(201,168,130,.1);color:var(--cream);font-weight:300;line-height:1.5}
tr:nth-child(odd) td{background:rgba(201,168,130,.04)}
tr:nth-child(even) td{background:rgba(42,34,24,.4)}
.steps{display:flex;flex-direction:column;gap:14px;margin:20px 0}
.step-item{display:flex;gap:16px;background:rgba(201,168,130,.05);border:1px solid rgba(201,168,130,.15);border-radius:10px;padding:16px}
.step-num{width:32px;height:32px;min-width:32px;background:var(--gold-deep);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14.9px;font-weight:700;color:var(--gold);flex-shrink:0}
.step-content h4{font-size:16.1px;font-weight:600;color:var(--cream);margin-bottom:6px}
.step-content ul{list-style:none}
.step-content ul li{font-size:14.9px;font-weight:300;color:rgba(240,232,220,.8);line-height:1.6;margin-bottom:4px;display:flex;gap:8px}
.step-content ul li::before{content:'→';color:var(--gold-d);flex-shrink:0}
.step-content ul li.warn-li{color:#f0b0b0}
.step-content ul li.warn-li::before{content:'⚠';color:#e07070}
.chapter-divider{position:relative;background:linear-gradient(135deg,var(--dark3) 0%,var(--dark2) 100%);border:1px solid rgba(201,168,130,.18);border-left:4px solid var(--gold-deep);border-radius:12px;padding:36px 28px 32px;margin:0 0 48px;overflow:hidden}
.chapter-divider::before{content:attr(data-num);position:absolute;right:-8px;bottom:-30px;font-size:207.0px;font-weight:700;color:rgba(201,168,130,.06);line-height:1;pointer-events:none}
.chapter-divider .ch-num{font-size:12.6px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--gold-d);margin-bottom:10px}
.chapter-divider h2{font-size:clamp(23.0px,5vw,32.2px);color:var(--cream);margin:0}
.chapter-divider h2::before{display:none}
.session-card{background:var(--cream3);border-left:4px solid var(--gold-d);border-radius:0 10px 10px 0;padding:16px 18px;margin-bottom:10px}
.session-card .sess-label{font-size:11.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-d);margin-bottom:4px}
.session-card h4{font-size:17.2px;font-weight:600;color:var(--body);margin-bottom:6px}
.session-card p{font-size:14.9px;color:var(--muted);margin:0;line-height:1.6}
.card-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:16px 0}
.krypto-card{background:var(--cream3);border-left:3px solid var(--gold);border-radius:0 10px 10px 0;padding:14px 16px}
.krypto-card h4{font-size:14.9px;font-weight:600;color:var(--body);margin-bottom:8px}
.krypto-card ul{list-style:none}
.krypto-card ul li{font-size:13.8px;color:var(--muted);line-height:1.6;margin-bottom:4px;display:flex;gap:6px}
.krypto-card ul li::before{content:'·';color:var(--gold-d);flex-shrink:0}
.res-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px solid rgba(201,168,130,.1)}
.res-name{font-size:16.1px;font-weight:300;color:var(--cream)}
.res-url{font-size:13.8px;color:var(--gold-d);font-family:monospace;white-space:nowrap}
.checklist{display:flex;flex-direction:column;gap:10px;margin:20px 0}
.check-item{display:flex;align-items:flex-start;gap:14px;background:rgba(201,168,130,.06);border:1px solid rgba(201,168,130,.15);border-radius:8px;padding:12px 16px}
.check-box{width:22px;height:22px;min-width:22px;border:2px solid var(--gold-d);border-radius:4px;margin-top:2px;cursor:pointer;transition:all .15s}
.check-box.checked{background:var(--gold);border-color:var(--gold)}
.check-item span{font-size:16.1px;font-weight:300;color:var(--cream);line-height:1.5}
.sep{width:100%;height:1px;background:linear-gradient(90deg,transparent,rgba(201,168,130,.2),transparent);margin:40px 0}
.bottom-nav{display:flex;justify-content:space-between;margin-top:60px;padding-top:24px;border-top:1px solid rgba(201,168,130,.15)}
.btn-nav{display:inline-flex;align-items:center;gap:10px;background:linear-gradient(135deg,var(--gold),var(--gold-deep));color:var(--dark);font-family:'Poppins',sans-serif;font-size:16.1px;font-weight:600;border:none;border-radius:10px;padding:14px 24px;text-decoration:none;box-shadow:0 4px 20px rgba(201,168,130,.25);transition:filter .15s,transform .15s}
.btn-nav:active{transform:scale(.97);filter:brightness(.93)}
.btn-nav.prev{background:rgba(201,168,130,.1);color:var(--gold-d);box-shadow:none;border:1px solid rgba(201,168,130,.25)}
.progress-bar{position:fixed;top:0;left:0;right:0;height:3px;background:rgba(201,168,130,.1);z-index:100}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--gold-deep),var(--gold));width:0%;transition:width .1s linear}
@media(max-width:480px){.two-box{grid-template-columns:1fr}.card-grid{grid-template-columns:1fr}.res-row{flex-direction:column;gap:2px}}

/* ── Flow-Diagramm ─────────────────────────────────────────────────────── */
.flow-diagram{background:rgba(201,168,130,.05);border:1px solid rgba(201,168,130,.15);border-radius:12px;padding:20px 12px;margin:24px 0;overflow:hidden}
.flow-row{display:flex;flex-direction:row;flex-wrap:nowrap;align-items:center;justify-content:center;gap:0;width:100%}
.flow-node{flex:1 1 0;min-width:0;background:rgba(201,168,130,.08);border:1px solid rgba(201,168,130,.22);border-radius:10px;padding:12px 6px;text-align:center}
.flow-node-icon{font-size:22px;margin-bottom:4px}
.flow-node-title{font-size:12px;font-weight:600;color:var(--gold);margin-bottom:3px;word-break:break-word}
.flow-node-sub{font-size:10px;color:var(--gold-d);line-height:1.4;word-break:break-word}
.flow-connector{display:flex;flex-direction:column;align-items:center;justify-content:center;flex:0 0 44px;gap:2px}
.flow-connector-label{font-size:9px;color:var(--gold-d);text-align:center;line-height:1.3;white-space:nowrap}
.flow-connector-arrow{font-size:18px;color:var(--gold-d);line-height:1}

/* ── Chain-Grid & Token-Karten ─────────────────────────────────────────── */
.chain-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:20px 0}
.chain-card{background:rgba(201,168,130,.06);border:1px solid rgba(201,168,130,.18);border-radius:10px;padding:16px;position:relative}
.chain-card.featured{border-left:3px solid var(--gold)}
.chain-card-badge{font-size:10px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--gold-d);margin-bottom:6px}
.chain-card-name{font-size:15px;font-weight:600;color:var(--gold);margin-bottom:8px}
.chain-card-coin{font-size:12px;color:var(--gold-d);font-style:italic;margin-bottom:8px}
.chain-card-row{display:flex;justify-content:space-between;font-size:13px;color:var(--cream);opacity:.82;padding:3px 0;border-bottom:1px solid rgba(201,168,130,.1)}
.chain-card-row span{color:var(--gold-d);font-weight:500}
.chain-card-use{font-size:12.5px;color:var(--cream);opacity:.78;line-height:1.55;margin-top:10px}
.chain-card-title{font-size:14.5px;font-weight:600;color:var(--gold);margin-bottom:3px}
.chain-card-sub{font-size:11.5px;color:var(--gold-d);font-style:italic;margin-bottom:8px}
.chain-card-body{font-size:13px;color:var(--cream);opacity:.82;line-height:1.6}
@media(max-width:480px){.chain-grid{grid-template-columns:1fr}}

/* ── Ebook images ─────────────────────────────────────────────────────── */
.ebook-figure{margin:28px 0;border-radius:12px;overflow:hidden;border:1px solid rgba(201,168,130,.2)}
.ebook-figure img{width:100%;display:block}
.ebook-caption{font-size:12.6px;font-weight:300;color:var(--gold-d);text-align:center;padding:10px 16px;background:rgba(201,168,130,.06);line-height:1.5;font-style:italic}

/* ── Back to App button ───────────────────────────────────────────────── */
.btn-back-app{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.6px;font-weight:500;
  color:var(--gold-d);
  background:rgba(201,168,130,.08);
  border:1px solid rgba(201,168,130,.2);
  border-radius:20px;
  padding:5px 12px;
  text-decoration:none;
  letter-spacing:.04em;
  transition:all .2s;
  white-space:nowrap;
}
.btn-back-app:hover{background:rgba(201,168,130,.18);color:var(--gold)}
.nav-left{display:flex;align-items:center;gap:10px}