/* ───────── Blick ins Reading (Abschnitt #reading) ─────────
   Das Blatt sieht aus wie eine Seite der Reading-PDFs (Indigo, Gold #d3ad5c, Avenir Next, Karten mit Bestätigungs-Marke).
   „So wurde es berechnet“ (.calc) zeigt an derselben Stelle die Rohdaten im Stil der Datasheet-PDFs (hell, Menlo).
   Das verborgene Blatt liegt absolut darüber (Höhe folgt dem sichtbaren). Darunter der Rechenweg zum Aufklappen.
   Animiert wird nur transform/opacity. */
.rd{--pdf:'Avenir Next','Avenir','Montserrat','Helvetica Neue',Arial,sans-serif;--pdf-gold:#d3ad5c;--pdf-gold-rgb:211,173,92;--pdf-ink:#dcdaf0;
  max-width:900px;margin-inline:auto}
.rd-top{display:flex;align-items:center;gap:12px 24px;flex-wrap:wrap;margin-bottom:22px}
.rd-mode{display:flex;gap:3px;padding:3px;border:1px solid var(--line);border-radius:99px;background:rgba(0,0,0,.22);box-shadow:var(--btn-groove);flex:none}
.rd-mode button{padding:9px 18px;border:1px solid transparent;border-radius:99px;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--mute);
  transition:color .3s,box-shadow .3s,transform .3s var(--ease),background-color .3s}
.rd-mode button[aria-pressed="true"]{color:var(--gold);background:var(--btn-glass) padding-box,var(--btn-rim) border-box;box-shadow:var(--btn-depth-s)}
@media (hover:hover){.rd-mode button[aria-pressed="false"]:hover{color:var(--ink);background-color:rgba(255,255,255,.06)}}
.rd-mode button:active{transform:translateY(1px) scale(.97);transition-duration:.12s}
.rd-hint{flex:1 1 260px;font-size:13px;line-height:1.55;color:var(--mute)}

/* Bühne: Reading und Rohdaten übereinander */
.rd-stage{position:relative}
.rd-doc,.rd-data{position:relative;overflow:hidden;border-radius:4px;transition:opacity .5s var(--ease),transform .6s var(--ease),visibility 0s}
.rd.calc .rd-doc,.rd:not(.calc) .rd-data{position:absolute;top:0;left:0;right:0;opacity:0;visibility:hidden;transform:translateY(14px) scale(.985);pointer-events:none;
  transition:opacity .35s,transform .6s var(--ease),visibility 0s .6s}
/* einmaliger Scan über das neue Blatt */
.rd-doc::after,.rd-data::after{content:"";position:absolute;inset:0;z-index:3;pointer-events:none;opacity:0;transform:translateY(-100%);
  background:linear-gradient(180deg,transparent 0 76%,rgba(var(--gold-rgb),.07) 90%,rgba(var(--gold-rgb),.42) 99.4%,transparent)}
.rd-data::after{background:linear-gradient(180deg,transparent 0 76%,rgba(96,88,200,.05) 90%,rgba(96,88,200,.32) 99.4%,transparent)}
.rd-doc.scan::after,.rd-data.scan::after{animation:rdScan 1.15s cubic-bezier(.45,.1,.3,1)}
@keyframes rdScan{0%{opacity:1;transform:translateY(-100%)}88%{opacity:1}to{opacity:0;transform:translateY(100%)}}

/* ── Das fertige Reading (wie die Reading-PDFs) ── */
.rd-doc{padding:clamp(30px,4.6vw,58px) clamp(22px,4.8vw,60px) clamp(22px,3vw,34px);font-family:var(--pdf);color:var(--pdf-ink);font-weight:400;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='360' height='360' fill='white'%3E%3Ccircle cx='118' cy='57' r='0.55' fill-opacity='0.25'/%3E%3Ccircle cx='293' cy='37' r='1.1' fill-opacity='0.25'/%3E%3Ccircle cx='324' cy='80' r='0.55' fill-opacity='0.6'/%3E%3Ccircle cx='151' cy='89' r='1.1' fill-opacity='0.6'/%3E%3Ccircle cx='25' cy='203' r='0.7' fill-opacity='0.75'/%3E%3Ccircle cx='338' cy='207' r='0.9' fill-opacity='0.25'/%3E%3Ccircle cx='348' cy='20' r='0.7' fill-opacity='0.45'/%3E%3Ccircle cx='152' cy='194' r='1.1' fill-opacity='0.45'/%3E%3Ccircle cx='201' cy='244' r='0.55' fill-opacity='0.75'/%3E%3Ccircle cx='205' cy='70' r='0.55' fill-opacity='0.75'/%3E%3Ccircle cx='255' cy='203' r='1.1' fill-opacity='0.35'/%3E%3Ccircle cx='179' cy='191' r='0.8' fill-opacity='0.6'/%3E%3Ccircle cx='210' cy='164' r='0.8' fill-opacity='0.35'/%3E%3Ccircle cx='284' cy='250' r='0.7' fill-opacity='0.25'/%3E%3Ccircle cx='206' cy='189' r='0.8' fill-opacity='0.6'/%3E%3Ccircle cx='105' cy='349' r='0.55' fill-opacity='0.75'/%3E%3Ccircle cx='151' cy='271' r='0.7' fill-opacity='0.6'/%3E%3Ccircle cx='152' cy='343' r='0.55' fill-opacity='0.75'/%3E%3Ccircle cx='206' cy='312' r='0.8' fill-opacity='0.45'/%3E%3Ccircle cx='249' cy='213' r='1.1' fill-opacity='0.6'/%3E%3Ccircle cx='28' cy='37' r='0.8' fill-opacity='0.6'/%3E%3Ccircle cx='249' cy='27' r='0.8' fill-opacity='0.75'/%3E%3Ccircle cx='354' cy='293' r='0.8' fill-opacity='0.6'/%3E%3Ccircle cx='316' cy='126' r='0.9' fill-opacity='0.45'/%3E%3Ccircle cx='63' cy='45' r='0.55' fill-opacity='0.35'/%3E%3Ccircle cx='274' cy='50' r='0.7' fill-opacity='0.6'/%3E%3C/svg%3E") 0 0/360px 360px,
    radial-gradient(90% 60% at 62% 36%,#221f5c 0%,#16134a 46%,#0b0a29 100%);
  box-shadow:0 40px 90px -40px rgba(0,0,0,.9),7px 7px 0 -1px #110f3a,7px 7px 0 0 rgba(var(--lav-rgb),.24),14px 14px 0 -2px #0c0b2d,14px 14px 0 -1px rgba(var(--lav-rgb),.14)}
.rd-doc>*:not(.rd-sky){position:relative;z-index:1}
/* Goldsterne und Schnittmarken in den Seitenrändern */
.rd-sky{position:absolute;inset:0;z-index:0;pointer-events:none}
.rd-sky::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:1px;
  background:linear-gradient(rgba(var(--lav-rgb),.3),rgba(var(--lav-rgb),.3)) top/1px 38px no-repeat,linear-gradient(rgba(var(--lav-rgb),.3),rgba(var(--lav-rgb),.3)) bottom/1px 38px no-repeat}
.rd-sky::after{content:"";position:absolute;top:50%;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(var(--lav-rgb),.3),rgba(var(--lav-rgb),.3)) left/30px 1px no-repeat,linear-gradient(90deg,rgba(var(--lav-rgb),.3),rgba(var(--lav-rgb),.3)) right/30px 1px no-repeat}
.rd-sky i{position:absolute;width:var(--s,14px);height:var(--s,14px);background:var(--pdf-gold);opacity:.78;
  clip-path:polygon(50% 0,58% 42%,100% 50%,58% 58%,50% 100%,42% 58%,0 50%,42% 42%)}
.rd-sky i:nth-child(1){right:9%;top:20px;--s:22px}
.rd-sky i:nth-child(2){left:12px;top:30%;--s:12px}
.rd-sky i:nth-child(3){right:13px;top:44%;--s:15px}
.rd-sky i:nth-child(4){left:14px;top:68%;--s:13px}
.rd-sky i:nth-child(5){right:15px;top:81%;--s:12px}
.rd-sky i:nth-child(6){left:31%;bottom:9px;--s:16px}
.rd-sky i:nth-child(7){right:27%;bottom:7px;--s:11px;opacity:.55}

.rd-cover{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:10px 22px;padding-bottom:26px;margin-bottom:36px;border-bottom:1px solid rgba(var(--pdf-gold-rgb),.2)}
.rd-emblem{width:54px;height:54px;object-fit:contain}
.rd-kicker,.rd-teil{font-size:10px;font-weight:500;letter-spacing:.34em;text-transform:uppercase;color:var(--pdf-gold)}
.rd-name{margin-top:8px;font:500 clamp(18px,2.3vw,25px)/1.2 var(--pdf);letter-spacing:.14em;text-transform:uppercase;color:#fff}
.rd-born{margin-top:6px;font-size:12.5px;letter-spacing:.04em;color:#a9a6cf}
.rd-tag{align-self:start;font-size:9px;letter-spacing:.22em;text-transform:uppercase;padding:5px 11px;border-radius:99px;border:1px dashed rgba(var(--lav-rgb),.5);color:var(--lav-hi);white-space:nowrap}

.rd-part[hidden],.rd-card[hidden]{display:none}
.rd-part+.rd-part{margin-top:44px}
.rd-title{margin-top:10px;font:600 clamp(19px,2.5vw,27px)/1.25 var(--pdf);letter-spacing:.11em;text-transform:uppercase;color:#fff;font-synthesis:none}
.rd-part+.rd-part .rd-title{margin-top:0;font-size:clamp(16px,1.9vw,20px)}
.rd-intro{margin-top:10px;max-width:46em;font-size:13.5px;line-height:1.65;color:#b9b6db}
.rd-legend{display:flex;flex-wrap:wrap;gap:8px 12px;margin:14px 0 20px}
.rd-legend:empty{display:none}
.rd-badge{display:inline-flex;align-items:center;gap:8px;padding:5px 12px 5px 10px;border:1px solid rgba(var(--pdf-gold-rgb),.6);border-radius:99px;
  font:500 9px/1 var(--pdf);letter-spacing:.2em;text-transform:uppercase;color:var(--pdf-gold);white-space:nowrap}
.rd-dots{display:inline-flex;gap:3px}
.rd-dots i{width:5px;height:5px;border-radius:50%;border:1px solid rgba(var(--pdf-gold-rgb),.85)}
.rd-dots[data-d="1"] i:first-child,.rd-dots[data-d="2"] i:nth-child(-n+2),.rd-dots[data-d="3"] i{background:var(--pdf-gold)}

.rd-card{padding:22px 26px;border:1px solid rgba(124,118,206,.36);border-radius:6px;background:linear-gradient(180deg,rgba(40,36,118,.5),rgba(26,23,84,.38))}
.rd-card+.rd-card{margin-top:16px}
.rd-card-h{display:flex;align-items:baseline;justify-content:space-between;gap:16px}
.rd-card h5{font:600 16.5px/1.35 var(--pdf);color:#fff;font-synthesis:none}
.rd-no{font:600 20px/1 var(--pdf);color:rgba(var(--pdf-gold-rgb),.6);letter-spacing:.04em;font-synthesis:none}
.rd-card .rd-badge{margin:10px 0 14px}
.rd-card .rd-badge:empty{display:none}
.rd-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:16px;margin-top:18px}
.rd-grid .rd-card+.rd-card{margin-top:0}
.rd-grid h5{margin-bottom:8px}
.rd-p{font-size:15.5px;line-height:1.75;color:var(--pdf-ink)}
.rd-years{display:grid;grid-template-columns:150px minmax(0,1fr);gap:8px 26px;margin-top:16px;padding:18px 0;border-block:1px solid rgba(var(--lav-rgb),.22)}
.rd-yr b{display:block;font:600 22px/1.1 var(--pdf);color:#fff;letter-spacing:.04em;font-synthesis:none}
.rd-yr small{display:block;margin-top:6px;font-size:9.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--pdf-gold)}
.rd-foot{display:flex;align-items:center;gap:18px;margin-top:48px;font-size:9px;letter-spacing:.3em;text-transform:uppercase;color:#7f7ca8}
.rd-foot i{flex:1;height:1px;background:rgba(var(--lav-rgb),.25)}
.rd-foot b{font-weight:500;letter-spacing:.1em;color:rgba(var(--pdf-gold-rgb),.85)}

/* Sätze: antippen = Rechenweg unten aufklappen */
.rd-s{border-radius:4px;padding:1px 2px;margin:0 -2px;-webkit-box-decoration-break:clone;box-decoration-break:clone;cursor:pointer;transition:background-color .3s,color .3s,box-shadow .3s}
@media (hover:hover){.rd-s:hover{background:rgba(var(--pdf-gold-rgb),.09)}}
.rd-s.on{background:rgba(var(--pdf-gold-rgb),.16);color:#fff;box-shadow:inset 0 -1px 0 rgba(var(--pdf-gold-rgb),.8)}
.rd-s:focus-visible{outline:1px solid var(--pdf-gold);outline-offset:1px}
.rd-s.rd-off{display:none}

/* ── Die Rohdaten (wie die Datasheet-PDFs) ── */
.rd-data{padding:clamp(26px,4.4vw,52px) clamp(18px,4.4vw,52px) clamp(28px,4vw,48px);background:#fbfbfd;color:#1c1c22;
  box-shadow:0 40px 90px -40px rgba(0,0,0,.9),7px 7px 0 -1px #e3e4ea,7px 7px 0 0 rgba(255,255,255,.3),14px 14px 0 -2px #c8cad5,14px 14px 0 -1px rgba(255,255,255,.18)}
.ds-title{font:700 clamp(19px,2.4vw,26px)/1.3 -apple-system,BlinkMacSystemFont,'SF Pro Display','Helvetica Neue',Arial,sans-serif;letter-spacing:-.01em;color:#111}
.ds-meta{margin-top:6px;font:400 12.5px/1.5 -apple-system,BlinkMacSystemFont,'Helvetica Neue',Arial,sans-serif;color:#6b6d78}
.ds-block{margin-top:22px;padding:20px 18px 24px;background:#f1f2f5;font:12.5px/1.8 Menlo,'SF Mono',ui-monospace,Consolas,'Liberation Mono',monospace;color:#23232b}
.ds-l,.ds-k{white-space:pre-wrap;overflow-wrap:anywhere}
.ds-l{padding-left:3ch;text-indent:-3ch}
.ds-l i{display:inline-block;width:3ch;text-indent:0;font-style:normal;font-family:'Apple Symbols','Segoe UI Symbol','Noto Sans Symbols 2',Menlo,monospace;color:#3b3b48}
.ds-in{padding-left:16ch;text-indent:-14ch}
.ds-h{white-space:pre;overflow:hidden;color:#23232b}
.ds-gap{min-height:1.8em}

/* ── Rechenweg (unten zum Aufklappen) ── */
.rd-more{margin-top:34px}
.rd-more-btn{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 20px 16px 24px;text-align:left;color:var(--ink);
  border:1px solid transparent;border-radius:16px;background:var(--btn-glass) padding-box,var(--btn-rim) border-box;box-shadow:var(--btn-depth-s);transition:transform .3s var(--ease),box-shadow .3s}
.rd-more-t b{display:block;font-weight:400;font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--gold)}
.rd-more-t small{display:block;margin-top:4px;font-family:var(--serif);font-size:17px;line-height:1.35;color:#d9d6f3}
.rd-more-btn i{flex:none;position:relative;width:32px;height:32px;border-radius:50%;border:1px solid rgba(var(--gold-rgb),.45);transition:transform .45s var(--ease)}
.rd-more-btn i::before{content:"";position:absolute;left:50%;top:44%;width:8px;height:8px;border-right:1px solid var(--gold);border-bottom:1px solid var(--gold);transform:translate(-50%,-50%) rotate(45deg)}
.rd-more.open .rd-more-btn i{transform:rotate(180deg)}
@media (hover:hover){.rd-more-btn:hover{box-shadow:var(--btn-glow-s)}}
.rd-more-btn:active{transform:translateY(1px) scale(.995);transition-duration:.12s}
.rd-more-btn:focus-visible{outline:1px solid var(--gold);outline-offset:3px}
.rd-way{margin-top:14px;padding:24px clamp(16px,3vw,30px) 22px;border:1px solid var(--line);border-radius:20px;background:linear-gradient(160deg,rgba(21,19,79,.88),rgba(var(--bg-rgb),.92))}
.rd-way[hidden]{display:none}
.rd-way.in{animation:rwOpen .5s var(--ease)}
@keyframes rwOpen{from{opacity:0;transform:translateY(-8px)}}
.rw-intro{max-width:46em;font-family:var(--serif);font-size:18px;line-height:1.55;color:#d9d6f3}
.rw-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,330px),1fr));gap:14px;margin-top:20px}
.rw-b{padding:18px 18px 16px;border:1px solid rgba(var(--lav-rgb),.22);border-radius:14px;background:rgba(var(--bg-rgb),.45);transition:border-color .4s,box-shadow .4s}
.rw-b.on{border-color:rgba(var(--gold-rgb),.6);box-shadow:0 0 0 1px rgba(var(--gold-rgb),.22),0 18px 40px -24px rgba(var(--gold-rgb),.4)}
.rw-b.flash{animation:rwFlash .9s var(--ease)}
@keyframes rwFlash{0%{transform:scale(.985)}35%{transform:scale(1.012)}to{transform:none}}
.rw-drop{grid-column:1/-1;border-style:dashed}
.rw-drop .rw-off{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));column-gap:28px}
.rw-k{font-size:10px;letter-spacing:.32em;text-transform:uppercase;color:var(--gold)}
.rw-drop .rw-k{color:var(--lav-hi)}
.rw-th{margin-top:6px;font-family:var(--serif);font-weight:400;font-size:21px;line-height:1.3;color:var(--ink)}
.rw-badge{display:flex;align-items:center;flex-wrap:wrap;gap:8px 12px;margin:10px 0 6px;font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--mute)}
.rw-badge .rd-badge{font-family:var(--sans)}
.rw-txt{margin:8px 0 4px;font-size:12.5px;line-height:1.55;color:var(--mute)}
.rw-list li{display:grid;grid-template-columns:8px minmax(0,1fr) auto auto;align-items:center;gap:4px 12px;padding:8px 0;border-top:1px solid rgba(255,255,255,.06);
  animation:rwIn .5s var(--ease) backwards;animation-delay:calc(var(--i, 0) * 35ms)}
.rw-list li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 8px 1px rgba(var(--gold-rgb),.5)}
@keyframes rwIn{from{opacity:0;transform:translateX(-8px)}}
.rw-sys b{display:block;font-weight:400;font-size:12.5px;letter-spacing:.04em;color:var(--ink);line-height:1.35}
.rw-sys small{display:block;font-size:11px;line-height:1.35;color:var(--mute)}
.rw-v{max-width:11em;text-align:right;font-family:var(--serif);font-size:16.5px;line-height:1.25;color:var(--gold)}
.rw-lv{width:21px;height:21px;border-radius:50%;display:grid;place-items:center;font:normal 12px/1 var(--serif);border:1px solid;cursor:help}
.rw-lv.a{color:var(--gold);border-color:var(--gold)}.rw-lv.b{color:var(--lav-hi);border-color:var(--lav)}.rw-lv.c{color:var(--mute);border-color:var(--mute);border-style:dashed}
.rw-notes{margin-top:6px}
.rw-notes li{position:relative;padding-left:16px;margin-top:4px;font-size:11.5px;line-height:1.5;color:var(--mute)}
.rw-notes li::before{content:"≈";position:absolute;left:0;color:var(--lav-hi)}
.rw-notes b{font-weight:400;color:#cfcbe9}
.rw-sub{margin:14px 0 2px;font-size:9.5px;letter-spacing:.28em;text-transform:uppercase;color:var(--mute)}
.rw-off li{grid-template-columns:8px minmax(0,1fr) auto;gap:0 12px;padding:5px 0;opacity:.7}
.rw-off li::before{grid-row:span 2;background:none;border:1px solid rgba(var(--lav-rgb),.5);box-shadow:none}
.rw-off .rw-sys{grid-row:span 2}
.rw-off .rw-sys b{font-size:11.5px;color:#cfcbe9}
.rw-off .rw-sys small{display:none}
.rw-off .rw-v{font-size:14px;color:#cfcbe9}
.rw-to{grid-column:3;text-align:right;font-size:10px;letter-spacing:.06em;color:var(--mute);white-space:nowrap}
.rw-from li{position:relative;padding-left:16px;margin-top:6px;font-family:var(--serif);font-style:italic;font-size:15.5px;line-height:1.45;color:#e2dff7}
.rw-from li::before{content:"";position:absolute;left:0;top:.7em;width:8px;height:1px;background:var(--gold)}
.rw-rule{margin-top:16px;padding-top:12px;border-top:1px solid rgba(var(--gold-rgb),.14);font-size:12px;line-height:1.55;color:#cdcaec}
.rw-rule b{font-weight:400;color:var(--gold)}

/* Abschluss */
.rd-cta{display:flex;align-items:center;gap:16px 28px;flex-wrap:wrap;max-width:900px;margin:clamp(26px,3vw,40px) auto 0;padding:22px 26px;border:1px solid var(--line);border-radius:22px;background:rgba(var(--bg-rgb),.55)}
.rd-cta p{flex:1 1 320px;font-family:var(--serif);font-size:19px;line-height:1.5;color:#d9d6f3}
.rd-cta-btns{display:flex;gap:12px;flex-wrap:wrap}

@media (max-width:640px){
  .rd-cover{grid-template-columns:auto minmax(0,1fr)}
  .rd-tag{grid-column:1/-1;justify-self:start}
  .rd-years{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:560px){
  .rd-mode{flex:1 1 100%}
  .rd-mode button{flex:1;padding:9px 8px;font-size:9.5px;letter-spacing:.12em}
  .rd-doc{padding:26px 18px 20px}
  .rd-sky i:nth-child(n+2):nth-child(-n+5),.rd-sky::before,.rd-sky::after{display:none}
  .rd-foot i{display:none}
  .rd-emblem{width:42px;height:42px}
  .rd-card{padding:18px 16px}
  .rd-p{font-size:15px}
  .ds-block{padding:16px 12px 20px;font-size:11px}
  .rd-more-btn{padding:14px 14px 14px 18px}
  .rw-v{font-size:15px;max-width:9em}
  .rd-cta{padding:20px}
  .rd-cta-btns{flex:1 1 100%}
  .rd-cta-btns .btn{flex:1 1 auto}
}