/* =========================================================
   Das Grundbuch – Lernseite
   Prinzip: Weiß, Schwarz, Grau. Ein Akzent: Rot (= „Rötung“).
   Keine Rundungen, keine Schatten, keine Glas-Effekte.
   ========================================================= */

:root {
  --paper: #ffffff;
  --soft: #f5f5f3;
  --ink: #0f0f0f;
  --ink-2: #4a4a4a;
  --ink-3: #8c8c8c;
  --line: #e3e3e0;
  --line-2: #cfcfcb;
  --red: #c8102e;
  --red-soft: #fbeef0;

  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;

  --gutter: 32px;
  --max: 1240px;
  --top: 60px;
  --ease: cubic-bezier(.2, .7, .1, 1);
}

*, *::before, *::after { box-sizing: border-box; border-radius: 0 !important; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--top) + 16px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; text-align: left; }
input { font: inherit; color: inherit; }
a { color: inherit; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
h1, h2, h3, h4 { margin: 0; font-weight: 600; letter-spacing: -0.02em; line-height: 1.1; }
ul, ol { margin: 0; padding: 0; list-style: none; }
strong, b { font-weight: 600; }
em { font-style: italic; }

::selection { background: var(--ink); color: var(--paper); }
:focus-visible { outline: 2px solid var(--red); outline-offset: 2px; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.mono { font-family: var(--mono); font-size: 12px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--ink-3); font-weight: 400; }
.muted { color: var(--ink-2); }
.small { font-size: 14px; }
.eyebrow { display: inline-block; font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--red); margin-bottom: 14px; }
.lead { font-size: clamp(19px, 2vw, 23px); line-height: 1.5; font-weight: 300; max-width: 46ch; color: var(--ink); }
.lead strong { font-weight: 500; }
.h3 { font-size: clamp(22px, 2.4vw, 28px); margin-bottom: 10px; }
.red-u { text-decoration: underline; text-decoration-color: var(--red); text-decoration-thickness: 2px; text-underline-offset: 3px; }

/* ---------- progress + topbar ---------- */
.progress { position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 60; pointer-events: none; }
.progress span { display: block; height: 100%; width: 100%; background: var(--red); transform-origin: 0 0; transform: scaleX(0); }

.topbar {
  position: fixed; top: 0; left: 0; right: 0; height: var(--top); z-index: 50;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 0 var(--gutter);
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 600; letter-spacing: -0.01em; text-decoration: none; font-size: 17px; }
.brand-mark { width: 14px; height: 18px; border: 2px solid var(--ink); position: relative; }
.brand-mark::after { content: ""; position: absolute; left: 2px; right: 2px; top: 6px; height: 2px; background: var(--red); box-shadow: 0 4px 0 var(--red); }
.brand-sub { font-family: var(--mono); font-size: 11px; color: var(--ink-3); border: 1px solid var(--line-2); padding: 1px 6px; font-weight: 400; }
.topnav { display: flex; gap: 28px; margin-left: auto; }
.topnav a { text-decoration: none; font-size: 14px; color: var(--ink-2); position: relative; padding: 4px 0; }
.topnav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--ink); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease); }
.topnav a:hover, .topnav a.is-active { color: var(--ink); }
.topnav a:hover::after, .topnav a.is-active::after { transform: scaleX(1); }
.menu-btn { display: inline-flex; align-items: center; gap: 12px; height: 36px; padding: 0 14px; border: 1px solid var(--ink); font-size: 14px; font-weight: 500; transition: background .2s, color .2s; }
.menu-btn:hover, .menu-btn[aria-expanded="true"] { background: var(--ink); color: var(--paper); }
.menu-icon { width: 16px; height: 10px; position: relative; display: inline-block; }
.menu-icon i { position: absolute; left: 0; right: 0; height: 1.5px; background: currentColor; transition: transform .3s var(--ease), top .3s var(--ease); }
.menu-icon i:first-child { top: 1px; }
.menu-icon i:last-child { top: 7px; }
.menu-btn[aria-expanded="true"] .menu-icon i:first-child { top: 4px; transform: rotate(45deg); }
.menu-btn[aria-expanded="true"] .menu-icon i:last-child { top: 4px; transform: rotate(-45deg); }

.index-overlay { position: fixed; inset: var(--top) 0 0 0; z-index: 45; background: var(--paper); overflow-y: auto; padding: 40px 0 60px; }
.index-overlay[hidden] { display: none; }
.index-list { border-top: 1px solid var(--ink); }
.index-list a { display: grid; grid-template-columns: 64px 1fr auto; align-items: baseline; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--line); text-decoration: none; font-size: clamp(22px, 3.4vw, 40px); font-weight: 500; letter-spacing: -0.02em; transition: padding .3s var(--ease), color .2s; opacity: 0; transform: translateY(12px); }
.index-overlay.is-open .index-list a { opacity: 1; transform: none; transition: opacity .5s var(--ease), transform .5s var(--ease), padding .3s var(--ease); }
.index-list a:hover { padding-left: 12px; }
.index-list a:hover .idx-n { color: var(--red); }
.idx-n { font-family: var(--mono); font-size: 14px; color: var(--ink-3); }
.idx-arrow { font-size: 18px; color: var(--ink-3); }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 10px 18px; border: 1px solid var(--ink); background: var(--paper); color: var(--ink); font-size: 15px; font-weight: 500; text-decoration: none; transition: background .2s, color .2s, border-color .2s; text-align: center; }
.btn:hover { background: var(--ink); color: var(--paper); }
.btn-solid { background: var(--ink); color: var(--paper); }
.btn-solid:hover { background: var(--red); border-color: var(--red); }
.btn-ghost { border-color: var(--line-2); }
.btn-ghost:hover { border-color: var(--ink); }
.btn:disabled { opacity: .35; pointer-events: none; }
.btn.is-right:disabled, .btn.is-wrong:disabled { opacity: 1; }

/* ---------- hero ---------- */
.hero { min-height: 100vh; padding: calc(var(--top) + 8vh) 0 120px; position: relative; display: flex; flex-direction: column; justify-content: center; gap: 12vh; }
.hero-grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: 64px; align-items: center; }
.hero-title { font-size: clamp(64px, 11vw, 168px); font-weight: 600; letter-spacing: -0.055em; line-height: .88; margin-bottom: 36px; }
.hero-title span { display: inline-block; }
.hero-title span:last-child { position: relative; }
.hero-title span:last-child::after { content: ""; position: absolute; left: 0; right: .12em; bottom: -.04em; height: .045em; background: var(--red); transform: scaleX(0); transform-origin: left; transition: transform 1.2s .6s var(--ease); }
.hero-title.is-in span:last-child::after { transform: scaleX(1); }
.hero .lead { margin-bottom: 36px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

.hero-book { justify-self: center; display: flex; flex-direction: column; align-items: center; gap: 18px; perspective: 1400px; }
.book-cover {
  width: min(340px, 72vw); aspect-ratio: 3 / 4; border: 1.5px solid var(--ink); background: var(--paper);
  display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; gap: 6px; padding: 32px;
  position: relative; transform-origin: left center; transition: transform 1s var(--ease);
}
.book-cover::before { content: ""; position: absolute; inset: 10px; border: 1px solid var(--line-2); pointer-events: none; }
.book-cover::after { content: ""; position: absolute; top: -1.5px; bottom: -1.5px; left: -10px; width: 10px; background: var(--ink); }
.hero-book:hover .book-cover { transform: rotateY(-14deg); }
.book-small { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: .14em; color: var(--ink-3); }
.book-big { font-size: 30px; font-weight: 600; letter-spacing: -0.02em; margin-bottom: 10px; }
.book-num { font-family: var(--mono); font-size: 26px; color: var(--red); }
.book-line { width: 0; height: 1px; background: var(--ink); margin: 8px 0 14px; transition: width 1s var(--ease); }
.hero-book.is-in .book-line { width: 60%; }
.hero-book.is-in .l2 { transition-delay: .2s; }
.hero-book.is-in .l3 { transition-delay: .4s; }
.book-hint { font-family: var(--mono); font-size: 12px; color: var(--ink-3); letter-spacing: .06em; }
.hero-book:hover .book-hint { color: var(--red); }

.chapter-grid { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--ink); border-left: 1px solid var(--line); }
.chapter { display: flex; flex-direction: column; gap: 22px; padding: 16px 16px 18px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); text-decoration: none; position: relative; transition: background .25s; min-height: 110px; justify-content: space-between; }
.chapter::before { content: ""; position: absolute; left: 0; top: -1px; height: 3px; width: 0; background: var(--red); transition: width .35s var(--ease); }
.chapter:hover { background: var(--soft); }
.chapter:hover::before { width: 100%; }
.chapter .mono { color: var(--ink-3); }
.chapter strong { font-size: 16px; font-weight: 500; line-height: 1.25; }

.scroll-cue { position: absolute; left: 50%; bottom: 28px; transform: translateX(-50%); font-family: var(--mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); display: flex; flex-direction: column; align-items: center; gap: 10px; }
.scroll-cue span { width: 1px; height: 36px; background: var(--line-2); position: relative; overflow: hidden; }
.scroll-cue span::after { content: ""; position: absolute; left: 0; top: -36px; width: 1px; height: 36px; background: var(--ink); animation: cue 2s var(--ease) infinite; }
@keyframes cue { to { top: 36px; } }

/* ---------- sections ---------- */
.sec { padding: 140px 0; border-top: 1px solid var(--line); }
.sec-tight { padding-bottom: 80px; }
.sec-head { display: grid; grid-template-columns: 96px 1fr; gap: 24px; align-items: baseline; margin-bottom: 48px; padding-bottom: 20px; border-bottom: 1px solid var(--ink); }
.sec-num { font-family: var(--mono); font-size: 14px; color: var(--red); }
.sec-head h2 { font-size: clamp(34px, 5.2vw, 68px); letter-spacing: -0.045em; line-height: 1; }
.sec > .wrap > .lead { margin-bottom: 64px; margin-left: 120px; }
.block { margin-top: 100px; }
.split { display: grid; grid-template-columns: 1fr 1.4fr; gap: 64px; align-items: center; margin-top: 100px; }
.split-top { align-items: start; margin-top: 0; }
.block .split { margin-top: 0; }

.definition { margin: 0 0 80px 120px; padding: 0 0 0 32px; border-left: 3px solid var(--red); }
.definition p { font-size: clamp(24px, 3.2vw, 40px); line-height: 1.25; letter-spacing: -0.02em; font-weight: 400; margin-bottom: 18px; max-width: 30ch; }
.definition cite { font-style: normal; font-family: var(--mono); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-3); }

.facts { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--ink); }
.fact { padding: 28px 28px 8px 0; }
.fact + .fact { padding-left: 28px; border-left: 1px solid var(--line); }
.fact-k { display: block; font-family: var(--mono); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-3); margin-bottom: 14px; }
.fact p { color: var(--ink-2); }
.fact strong { color: var(--ink); }

/* glossary term */
.t { border-bottom: 1px dashed var(--ink-3); cursor: help; transition: border-color .2s, color .2s; }
.t:hover, .t.is-open { border-bottom-color: var(--red); color: var(--red); }

/* compare tabs */
.compare { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--ink); }
.compare-tab { padding: 14px 18px; font-weight: 500; font-size: 15px; border-bottom: 1px solid var(--ink); color: var(--ink-3); transition: background .2s, color .2s; }
.compare-tab + .compare-tab { border-left: 1px solid var(--ink); }
.compare-tab.is-active { background: var(--ink); color: var(--paper); }
.compare-tab:not(.is-active):hover { color: var(--ink); background: var(--soft); }
.compare-body { grid-column: 1 / -1; padding: 24px 22px; position: relative; min-height: 170px; }
.compare-pane { display: none; animation: fadeUp .45s var(--ease); }
.compare-pane.is-active { display: block; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* who */
.who-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 28px; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.who { padding: 22px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); min-height: 168px; display: flex; flex-direction: column; gap: 10px; transition: background .2s; position: relative; }
.who:hover { background: var(--soft); }
.who-name { font-weight: 500; font-size: 17px; }
.who-q { font-family: var(--mono); font-size: 12px; color: var(--ink-3); margin-top: auto; }
.who-a { display: none; font-size: 15px; color: var(--ink-2); }
.who-verdict { font-family: var(--mono); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; padding: 2px 8px; border: 1px solid currentColor; align-self: flex-start; }
.who.is-open .who-a { display: block; animation: fadeUp .4s var(--ease); }
.who.is-open .who-q { display: none; }
.who.yes .who-verdict { color: var(--ink); }
.who.no .who-verdict { color: var(--red); }
.who:not(.is-open) .who-verdict { display: none; }

.steps-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin-top: 28px; border: 1px solid var(--line); }
.step-box { padding: 28px; position: relative; }
.step-box + .step-box { border-left: 1px solid var(--line); }
.step-n { font-family: var(--mono); font-size: 13px; color: var(--paper); background: var(--ink); width: 28px; height: 28px; display: inline-flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.step-box h4 { font-size: 19px; margin-bottom: 10px; }
.step-box p { color: var(--ink-2); font-size: 16px; }

/* ---------- scenes ---------- */
.scene { position: relative; height: var(--h, 400vh); }
.scene-sticky { position: sticky; top: var(--top); height: calc(100vh - var(--top)); height: calc(100svh - var(--top)); overflow: hidden; display: flex; align-items: center; }
.scene-sticky > .wrap { width: 100%; }

/* map scene */
.map-layout { display: grid; grid-template-columns: 1fr 1.25fr; gap: 56px; align-items: center; height: 100%; }
.map-crumbs { display: flex; flex-wrap: wrap; gap: 0; margin-bottom: 40px; border: 1px solid var(--line); }
.map-crumbs li { flex: 1; font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: .05em; padding: 10px 8px; text-align: center; color: var(--ink-3); border-right: 1px solid var(--line); transition: background .3s, color .3s; white-space: nowrap; }
.map-crumbs li:last-child { border-right: 0; }
.map-crumbs li.is-done { color: var(--ink); }
.map-crumbs li.is-active { background: var(--ink); color: var(--paper); }
.map-cards { position: relative; min-height: 220px; }
.map-card { position: absolute; inset: 0 0 auto 0; opacity: 0; transform: translateY(20px); transition: opacity .5s var(--ease), transform .5s var(--ease); pointer-events: none; }
.map-card.is-active { opacity: 1; transform: none; pointer-events: auto; }
.map-card h3 { font-size: clamp(30px, 3.6vw, 48px); letter-spacing: -0.035em; margin: 10px 0 16px; }
.map-card p { color: var(--ink-2); max-width: 40ch; }
.map-visual { position: relative; height: min(76vh, 640px); border: 1px solid var(--ink); background: var(--paper); }
.map-visual svg { width: 100%; height: 100%; }
.map-scale { position: absolute; right: 12px; bottom: 10px; background: var(--paper); padding: 2px 6px; border: 1px solid var(--line); }
#map-svg .gem-fill { fill: var(--soft); }
#map-svg .l-gemeinde { fill: none; stroke: var(--ink); stroke-width: 2; vector-effect: non-scaling-stroke; }
#map-svg .l-gemarkung { fill: none; stroke: var(--ink); stroke-width: 1.2; stroke-dasharray: 6 4; vector-effect: non-scaling-stroke; }
#map-svg .l-gemarkung-hl { fill: #fff; stroke: var(--ink); stroke-width: 1.5; vector-effect: non-scaling-stroke; transition: opacity .4s; }
#map-svg .l-flur { fill: none; stroke: var(--ink-3); stroke-width: 1; vector-effect: non-scaling-stroke; }
#map-svg .l-flur-hl { fill: var(--soft); stroke: var(--ink); stroke-width: 1.5; vector-effect: non-scaling-stroke; }
#map-svg .l-fs { fill: #fff; stroke: var(--ink-3); stroke-width: .8; vector-effect: non-scaling-stroke; }
#map-svg .l-fs-hl { fill: var(--red-soft); stroke: var(--red); stroke-width: 2; vector-effect: non-scaling-stroke; }
#map-svg .l-gs { fill: none; stroke: var(--red); stroke-width: 3; vector-effect: non-scaling-stroke; stroke-dasharray: 2 0; }
#map-svg .house { fill: none; stroke: var(--ink); stroke-width: 1.2; vector-effect: non-scaling-stroke; }
#map-svg text { font-family: var(--sans); fill: var(--ink); }
#map-svg .lbl-mono { font-family: var(--mono); fill: var(--ink-3); }
#map-svg .lbl-red { fill: var(--red); font-weight: 600; }
#map-svg .layer { transition: opacity .35s linear; }

/* build scene */
.build-layout { display: grid; grid-template-columns: 1fr 1.35fr; gap: 64px; align-items: center; height: 100%; }
.build-steps { border-top: 1px solid var(--ink); }
.build-step { border-bottom: 1px solid var(--line); }
.build-step button { width: 100%; display: grid; grid-template-columns: 52px 1fr; gap: 12px; padding: 16px 0; align-items: baseline; }
.build-step .bs-n { font-family: var(--mono); font-size: 13px; color: var(--ink-3); transition: color .3s; }
.build-step .bs-t { font-size: clamp(18px, 1.8vw, 22px); font-weight: 500; color: var(--ink-3); transition: color .3s; letter-spacing: -0.01em; }
.build-step .bs-d { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .5s var(--ease); }
.build-step .bs-d > div { overflow: hidden; padding-left: 64px; color: var(--ink-2); font-size: 15.5px; }
.build-step .bs-d p { margin: 0 0 16px; }
.build-step.is-done .bs-t { color: var(--ink); }
.build-step.is-active .bs-n { color: var(--red); }
.build-step.is-active .bs-t { color: var(--ink); }
.build-step.is-active .bs-d { grid-template-rows: 1fr; }

.build-stack { position: relative; height: min(70vh, 600px); }
.sheet { position: absolute; inset: 0; background: var(--paper); border: 1px solid var(--ink); padding: 0; transform: translateY(110%); opacity: 0; transition: transform .7s var(--ease), opacity .5s, filter .5s; display: flex; flex-direction: column; overflow: hidden; }
.sheet-head { display: grid; grid-template-columns: 1fr auto; gap: 10px; padding: 10px 14px; border-bottom: 1px solid var(--ink); font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-2); }
.sheet-head b { color: var(--ink); font-weight: 500; }
.sheet-title { padding: 16px 16px 8px; font-size: 20px; font-weight: 600; letter-spacing: -0.02em; display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.sheet-title .mono { color: var(--red); }
.sheet-table { margin: 6px 16px 16px; border: 1px solid var(--line-2); font-size: 13px; flex: 1; display: flex; flex-direction: column; min-height: 0; background: repeating-linear-gradient(to bottom, transparent 0 35px, var(--line) 35px 36px); }
.sheet-row { background: var(--paper); }
.sheet-row { display: grid; border-bottom: 1px solid var(--line); }
.sheet-row > span { padding: 8px 10px; border-right: 1px solid var(--line); }
.sheet-row > span:last-child { border-right: 0; }
.sheet-row.th > span { font-family: var(--mono); font-size: 10.5px; text-transform: uppercase; color: var(--ink-3); letter-spacing: .03em; line-height: 1.3; background: var(--soft); }
.sheet-row.del span.txt { text-decoration: underline; text-decoration-color: var(--red); text-decoration-thickness: 1.5px; text-underline-offset: 2px; color: var(--ink-2); }
.sheet-callout { margin: auto 16px 16px; padding: 12px 14px; border-left: 3px solid var(--red); background: var(--soft); font-size: 14px; color: var(--ink-2); }
.sheet-cover { align-items: center; justify-content: center; text-align: center; gap: 8px; }
.sheet-cover .book-small { margin-top: 6px; }
.sheet-cover .book-big { font-size: 34px; margin: 0; }

/* deal scene */
.deal-layout { display: grid; grid-template-columns: 1fr 1.5fr; gap: 56px; align-items: center; height: 100%; }
.deal-counter { color: var(--red); margin-bottom: 18px; font-size: 13px; }
.deal-cards { position: relative; min-height: 260px; }
.deal-card { position: absolute; inset: 0 0 auto 0; opacity: 0; transform: translateY(18px); transition: opacity .45s var(--ease), transform .45s var(--ease); pointer-events: none; }
.deal-card.is-active { opacity: 1; transform: none; pointer-events: auto; }
.deal-card h3 { font-size: clamp(26px, 3vw, 40px); letter-spacing: -0.03em; margin-bottom: 14px; }
.deal-card p { color: var(--ink-2); max-width: 42ch; }
.deal-card .who-tag { display: inline-block; margin-bottom: 12px; }
.deal-bar { height: 2px; background: var(--line); margin-top: 24px; }
.deal-bar span { display: block; height: 100%; background: var(--ink); width: 0; }
.deal-book { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border: 1px solid var(--ink); min-height: min(62vh, 480px); }
.deal-col + .deal-col { border-left: 1px solid var(--ink); }
.deal-col-h { padding: 10px 12px; border-bottom: 1px solid var(--ink); background: var(--soft); color: var(--ink); font-size: 11px; }
.deal-col-b { padding: 12px; display: flex; flex-direction: column; gap: 10px; }
.deal-entry { border: 1px solid var(--line-2); padding: 10px 12px; font-size: 14px; line-height: 1.4; animation: dealIn .6s var(--ease); position: relative; background: var(--paper); }
.deal-entry small { display: block; font-family: var(--mono); font-size: 10.5px; text-transform: uppercase; color: var(--ink-3); margin-bottom: 4px; letter-spacing: .03em; }
.deal-entry.is-new { border-color: var(--ink); }
.deal-entry.is-new::after { content: "neu"; position: absolute; top: -9px; right: 8px; background: var(--red); color: #fff; font-family: var(--mono); font-size: 10px; padding: 1px 6px; text-transform: uppercase; }
.deal-entry.is-del .deal-txt { text-decoration: underline; text-decoration-color: var(--red); text-decoration-thickness: 2px; text-underline-offset: 2px; color: var(--ink-3); }
.deal-entry.is-del::after { content: "gelöscht"; position: absolute; top: -9px; right: 8px; background: var(--paper); color: var(--red); border: 1px solid var(--red); font-family: var(--mono); font-size: 10px; padding: 0 6px; text-transform: uppercase; }
@keyframes dealIn { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: none; } }

/* memo */
.memo { border: 1px solid var(--ink); padding: 36px 40px; display: grid; grid-template-columns: 180px 1fr; gap: 24px; align-items: center; }
.memo .eyebrow { margin: 0; }
.memo-text { font-size: clamp(20px, 2.8vw, 34px); letter-spacing: -0.02em; line-height: 1.3; margin: 0; }
.memo-text strong { font-family: var(--mono); color: var(--red); font-weight: 500; }

/* ---------- öffentlicher Glaube ---------- */
.pub-pair { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--ink); }
.pub { padding: 24px; display: flex; flex-direction: column; gap: 10px; transition: background .25s, color .25s; }
.pub + .pub { border-left: 1px solid var(--ink); }
.pub-sign { font-family: var(--mono); font-size: 40px; line-height: 1; color: var(--red); transition: transform .4s var(--ease); }
.pub strong { font-size: 19px; }
.pub span:last-child { color: var(--ink-2); font-size: 15.5px; }
.pub:hover, .pub.is-active { background: var(--ink); color: var(--paper); }
.pub:hover span:last-child, .pub.is-active span:last-child { color: #d9d9d9; }
.pub:hover .pub-sign { transform: scale(1.15); }

.sim { margin-top: 100px; border: 1px solid var(--ink); }
.sim-head { padding: 32px 32px 24px; border-bottom: 1px solid var(--line); }
.sim-head .muted { max-width: 70ch; }
.sim-body { display: grid; grid-template-columns: 1fr 1fr; }
.sim-controls { padding: 28px 32px; display: flex; flex-direction: column; gap: 22px; border-right: 1px solid var(--line); }
.sim-result { padding: 28px 32px; display: flex; flex-direction: column; justify-content: center; gap: 12px; transition: background .3s; }
.sim-result .verdict { font-size: clamp(28px, 3.2vw, 42px); font-weight: 600; letter-spacing: -0.03em; line-height: 1.05; }
.sim-result.is-no { background: var(--red-soft); }
.sim-result.is-no .verdict { color: var(--red); }
.sim-result p { color: var(--ink-2); margin: 0; }

.switch { display: grid; grid-template-columns: 44px 1fr; gap: 14px; align-items: center; cursor: pointer; font-size: 16px; }
.switch input { position: absolute; opacity: 0; pointer-events: none; }
.switch-ui { width: 44px; height: 24px; border: 1.5px solid var(--ink); position: relative; transition: background .2s; }
.switch-ui::after { content: ""; position: absolute; top: 3px; left: 3px; width: 15px; height: 15px; background: var(--ink); transition: transform .25s var(--ease), background .2s; }
.switch input:checked + .switch-ui { background: var(--ink); }
.switch input:checked + .switch-ui::after { transform: translateX(20px); background: var(--paper); }
.switch input:focus-visible + .switch-ui { outline: 2px solid var(--red); outline-offset: 2px; }
.switch-sm { grid-template-columns: 36px auto; gap: 10px; font-size: 14px; }
.switch-sm .switch-ui { width: 36px; height: 20px; }
.switch-sm .switch-ui::after { width: 11px; height: 11px; }
.switch-sm input:checked + .switch-ui::after { transform: translateX(16px); }

.limits { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--ink); margin-top: 28px; }
.limit { padding: 24px 22px 0 0; }
.limit + .limit { padding-left: 22px; border-left: 1px solid var(--line); }
.limit .mono { color: var(--red); display: block; margin-bottom: 14px; }
.limit p { color: var(--ink-2); font-size: 15.5px; }
.limit strong { color: var(--ink); display: block; margin-bottom: 4px; }

/* ---------- formula ---------- */
.formula { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: stretch; border: 1px solid var(--ink); }
.formula-part { padding: 28px; display: flex; flex-direction: column; gap: 6px; }
.formula-part strong { font-size: clamp(26px, 3.4vw, 44px); letter-spacing: -0.035em; line-height: 1.05; }
.formula-op { display: flex; align-items: center; justify-content: center; font-family: var(--mono); font-size: 28px; color: var(--red); padding: 0 8px; border-left: 1px solid var(--line); border-right: 1px solid var(--line); }
.formula-res { background: var(--ink); color: var(--paper); }
.formula-res .mono, .formula-res .muted { color: #a8a8a8; }

.arrows li { position: relative; padding-left: 28px; margin-bottom: 12px; }
.arrows li::before { content: "→"; position: absolute; left: 0; color: var(--red); font-family: var(--mono); }

.del-demo { border: 1px solid var(--ink); }
.del-sheet { padding: 22px 22px 18px; border-bottom: 1px solid var(--line); }
.del-head { margin-bottom: 12px; color: var(--ink); }
.del-entry { font-size: 17px; line-height: 1.6; margin-bottom: 16px; background-image: linear-gradient(var(--red), var(--red)); background-repeat: no-repeat; background-size: 0% 2px; background-position: 0 100%; transition: background-size 1.4s var(--ease), color .6s; display: inline; padding-bottom: 2px; -webkit-box-decoration-break: clone; box-decoration-break: clone; }
.del-entry.is-deleted { background-size: 100% 2px; color: var(--ink-2); }
.del-log { margin-top: 18px; padding-top: 12px; border-top: 1px dashed var(--line-2); transition: color .4s; }
.del-log.is-set { color: var(--red); }
.del-actions { display: flex; gap: 10px; padding: 16px 22px; }
.del-entry { display: block; background: none; }
.del-entry span { background-image: linear-gradient(var(--red), var(--red)); background-repeat: no-repeat; background-size: 0% 2px; background-position: 0 100%; transition: background-size 1.6s var(--ease); -webkit-box-decoration-break: clone; box-decoration-break: clone; padding-bottom: 1px; }
.del-entry.is-deleted span { background-size: 100% 2px; }

/* ---------- accordions ---------- */
.acc-group { border-top: 1px solid var(--ink); margin-top: 24px; }
.acc { border-bottom: 1px solid var(--line); }
.acc summary { list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 20px 0; cursor: pointer; font-size: clamp(17px, 1.7vw, 20px); font-weight: 500; letter-spacing: -0.01em; }
.acc summary::-webkit-details-marker { display: none; }
.acc summary::after { content: "+"; font-family: var(--mono); font-size: 22px; font-weight: 400; color: var(--ink-3); transition: transform .3s var(--ease), color .2s; flex-shrink: 0; width: 22px; text-align: center; }
.acc summary .mono { margin-left: auto; }
.acc[open] summary::after { transform: rotate(45deg); color: var(--red); }
.acc summary:hover::after { color: var(--ink); }
.acc-body { padding: 0 0 26px; max-width: 78ch; color: var(--ink-2); animation: fadeUp .4s var(--ease); }
.acc-body strong { color: var(--ink); }
.acc-flat { border: 1px solid var(--line); padding: 0 18px; margin-bottom: 24px; }
.note { margin-top: 18px; padding: 16px 18px; background: var(--soft); border-left: 3px solid var(--ink); font-size: 15.5px; }

/* trio (Bestandteile) */
.trio { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--ink); }
.trio-col { padding: 22px 20px; display: flex; flex-direction: column; gap: 10px; transition: background .2s, color .2s; }
.trio-col + .trio-col { border-left: 1px solid var(--ink); }
.trio-col strong { font-size: 18px; line-height: 1.2; }
.trio-col span:last-child { font-size: 15px; color: var(--ink-2); }
.trio-col:hover { background: var(--soft); }

/* sort game */
.game { border: 1px solid var(--ink); }
.game-head { display: flex; justify-content: space-between; gap: 24px; padding: 28px 28px 22px; border-bottom: 1px solid var(--line); }
.game-score { font-size: 28px; color: var(--ink); white-space: nowrap; }
.game-score span:first-child { color: var(--red); }
.sort-stage { padding: 36px 28px; display: flex; flex-direction: column; align-items: center; gap: 22px; border-bottom: 1px solid var(--line); text-align: center; }
.sort-card { min-height: 92px; display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 6px; }
.sort-card .sc-name { font-size: clamp(28px, 3.6vw, 44px); font-weight: 600; letter-spacing: -0.03em; line-height: 1.1; animation: fadeUp .4s var(--ease); }
.sort-card .sc-hint { color: var(--ink-3); font-size: 15px; }
.sort-buttons { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.sort-buttons .btn.is-right { background: var(--ink); color: var(--paper); }
.sort-buttons .btn.is-wrong { border-color: var(--red); color: var(--red); background: var(--red-soft); }
.sort-feedback { min-height: 52px; max-width: 64ch; color: var(--ink-2); font-size: 15.5px; }
.sort-feedback .fb-tag { font-family: var(--mono); font-size: 12px; text-transform: uppercase; margin-right: 8px; }
.sort-feedback .fb-tag.ok { color: var(--ink); }
.sort-feedback .fb-tag.no { color: var(--red); }
.sort-feedback .btn { margin-top: 14px; }
.sort-bins { display: grid; grid-template-columns: repeat(3, 1fr); }
.bin { padding: 18px 20px 22px; min-height: 120px; }
.bin + .bin { border-left: 1px solid var(--line); }
.bin ul { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 6px; }
.bin li { font-size: 13.5px; padding: 3px 9px; border: 1px solid var(--line-2); animation: fadeUp .35s var(--ease); }
.bin li.wrong { border-color: var(--red); color: var(--red); }

/* ---------- Abt II ---------- */
.key-q { border: 1px solid var(--ink); padding: 26px 28px; margin-bottom: 40px; }
.key-q-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin-top: 4px; }
.key-q-grid > div { display: flex; flex-direction: column; gap: 6px; padding-right: 24px; }
.key-q-grid > div + div { padding-left: 24px; border-left: 1px solid var(--line); }
.key-q-grid strong { font-size: 19px; font-weight: 500; }
.key-q-grid span { color: var(--ink-2); }
.key-q-grid b { color: var(--red); font-weight: 600; }

.rights-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--ink); border-left: 1px solid var(--line); }
.right { padding: 22px 20px 20px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); display: flex; flex-direction: column; gap: 12px; min-height: 220px; position: relative; transition: background .25s, color .25s; }
.right::after { content: "↗"; position: absolute; top: 18px; right: 18px; font-family: var(--mono); color: var(--ink-3); transition: transform .3s var(--ease), color .2s; }
.right:hover { background: var(--ink); color: var(--paper); }
.right:hover .mono, .right:hover .right-short { color: #bdbdbd; }
.right:hover::after { color: var(--red); transform: translate(3px, -3px); }
.right-name { font-size: 21px; font-weight: 600; letter-spacing: -0.02em; line-height: 1.15; padding-right: 22px; }
.right-short { color: var(--ink-2); font-size: 15px; line-height: 1.45; }
.right-tag { margin-top: auto; }

.tree { border: 1px solid var(--ink); }
.tree-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; padding: 28px 28px 22px; border-bottom: 1px solid var(--line); }
.tree-path { display: flex; flex-wrap: wrap; gap: 6px; padding: 14px 28px; border-bottom: 1px solid var(--line); min-height: 52px; align-items: center; }
.tree-path span { font-family: var(--mono); font-size: 11.5px; padding: 3px 8px; border: 1px solid var(--line-2); color: var(--ink-2); animation: fadeUp .3s var(--ease); }
.tree-path span.empty { border: 0; color: var(--ink-3); padding-left: 0; }
.tree-q { padding: 36px 28px 32px; min-height: 240px; }
.tree-q .q { font-size: clamp(22px, 2.6vw, 32px); font-weight: 500; letter-spacing: -0.02em; line-height: 1.2; max-width: 30ch; margin-bottom: 8px; animation: fadeUp .4s var(--ease); }
.tree-q .q-help { color: var(--ink-3); font-size: 15px; margin-bottom: 24px; }
.tree-q .q-btns { display: flex; gap: 10px; flex-wrap: wrap; }
.tree-q .result { animation: fadeUp .5s var(--ease); }
.tree-q .result .mono { color: var(--red); }
.tree-q .result h4 { font-size: clamp(30px, 4vw, 52px); letter-spacing: -0.04em; margin: 8px 0 14px; }
.tree-q .result p { color: var(--ink-2); max-width: 60ch; }

/* ---------- Abt III ---------- */
.hg { border: 1px solid var(--ink); }
.hg-control { padding: 26px 28px; border-bottom: 1px solid var(--line); }
.hg-control label, .auction-control label { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 14px; }
.hg-control strong, .auction-control strong { font-size: 26px; letter-spacing: -0.02em; }
.hg-cols { display: grid; grid-template-columns: 1fr 1fr; }
.hg-col { padding: 26px 28px; }
.hg-col + .hg-col { border-left: 1px solid var(--line); }
.hg-title { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 20px; }
.hg-title strong { font-size: 24px; letter-spacing: -0.02em; }
.hg-bars { display: flex; flex-direction: column; gap: 12px; margin-bottom: 22px; }
.hg-bar { display: grid; grid-template-columns: 90px 1fr 92px; gap: 12px; align-items: center; }
.hg-bar b { font-family: var(--mono); font-size: 13px; text-align: right; font-weight: 500; }
.hg-col p { color: var(--ink-2); font-size: 15.5px; }
.bar { height: 14px; border: 1px solid var(--ink); position: relative; overflow: hidden; }
.bar i { position: absolute; inset: 0 auto 0 0; background: var(--line-2); transition: width .45s var(--ease); }
.bar-ink i { background: var(--ink); }
.hg-note { padding: 16px 28px; border-top: 1px solid var(--line); background: var(--soft); font-size: 15.5px; color: var(--ink-2); min-height: 56px; }

input[type="range"] { -webkit-appearance: none; appearance: none; width: 100%; height: 24px; background: transparent; cursor: pointer; }
input[type="range"]::-webkit-slider-runnable-track { height: 2px; background: var(--ink); }
input[type="range"]::-moz-range-track { height: 2px; background: var(--ink); }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 18px; height: 18px; background: var(--red); border: 0; margin-top: -8px; }
input[type="range"]::-moz-range-thumb { width: 18px; height: 18px; background: var(--red); border: 0; }

/* ---------- Rang ---------- */
.rules { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--ink); border-left: 1px solid var(--line); }
.rule { padding: 28px 28px 30px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.rule-tag { display: block; margin-bottom: 12px; }
.rule h3 { font-size: clamp(24px, 2.6vw, 32px); letter-spacing: -0.03em; margin-bottom: 12px; }
.rule p { color: var(--ink-2); max-width: 52ch; }
.rule p strong { color: var(--ink); }
.rule-vis { display: flex; gap: 12px; margin-top: 18px; }
.mini-col { display: flex; flex-direction: column; border: 1px solid var(--ink); min-width: 150px; }
.mini-h { padding: 6px 10px; border-bottom: 1px solid var(--ink); background: var(--soft); color: var(--ink); }
.mini-e { padding: 6px 10px; font-family: var(--mono); font-size: 12.5px; display: flex; justify-content: space-between; gap: 12px; border-bottom: 1px solid var(--line); }
.mini-e:last-child { border-bottom: 0; }
.mini-e b { color: var(--red); font-weight: 500; }

.pairs { border: 1px solid var(--ink); }
.pairs-head { display: flex; justify-content: space-between; align-items: flex-start; padding: 28px 28px 20px; border-bottom: 1px solid var(--line); }
.pairs-body { padding: 28px; }
.pair-entries { display: grid; grid-template-columns: 1fr auto 1fr; gap: 0; align-items: stretch; margin-bottom: 20px; animation: fadeUp .4s var(--ease); }
.pair-e { border: 1px solid var(--ink); padding: 18px 20px; display: flex; flex-direction: column; gap: 6px; transition: background .2s, color .2s; text-align: left; }
.pair-e .mono { color: var(--ink-3); }
.pair-e strong { font-size: 18px; }
.pair-e span:last-child { font-family: var(--mono); font-size: 14px; }
button.pair-e:hover { background: var(--soft); }
.pair-e.is-right { background: var(--ink); color: var(--paper); }
.pair-e.is-wrong { border-color: var(--red); background: var(--red-soft); }
.pair-vs { display: flex; align-items: center; padding: 0 16px; font-family: var(--mono); color: var(--ink-3); font-size: 13px; }
.pair-opts { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 18px; }
.pair-fb { color: var(--ink-2); min-height: 48px; }
.pair-fb .mono { margin-right: 6px; }
.pair-fb .ok { color: var(--ink); }
.pair-fb .no { color: var(--red); }
.pair-next { margin-top: 14px; }

.auction { border: 1px solid var(--ink); }
.auction-head { padding: 28px 28px 20px; border-bottom: 1px solid var(--line); }
.auction-control { padding: 22px 28px; border-bottom: 1px solid var(--line); }
.auction-list { padding: 8px 28px 8px; }
.auction-row { display: grid; grid-template-columns: 56px 1fr 1.6fr 120px; gap: 18px; align-items: center; padding: 16px 0; border-bottom: 1px solid var(--line); transition: transform .45s var(--ease); }
.auction-row:last-child { border-bottom: 0; }
.ar-rank { display: flex; flex-direction: column; align-items: flex-start; gap: 4px; }
.ar-rank b { font-family: var(--mono); font-size: 22px; font-weight: 500; }
.ar-swap { display: flex; gap: 4px; }
.ar-swap button { width: 24px; height: 22px; border: 1px solid var(--line-2); font-family: var(--mono); font-size: 12px; display: inline-flex; align-items: center; justify-content: center; }
.ar-swap button:hover:not(:disabled) { border-color: var(--ink); background: var(--ink); color: var(--paper); }
.ar-swap button:disabled { opacity: .25; cursor: default; }
.ar-name strong { display: block; font-size: 16px; }
.ar-name span { font-size: 13.5px; color: var(--ink-3); }
.ar-bar { height: 22px; border: 1px solid var(--ink); position: relative; overflow: hidden; }
.ar-bar i { position: absolute; inset: 0 auto 0 0; background: var(--ink); transition: width .5s var(--ease); }
.ar-bar.partial i { background: repeating-linear-gradient(135deg, var(--ink) 0 4px, #555 4px 8px); }
.ar-bar.zero { border-color: var(--red); }
.ar-val { font-family: var(--mono); font-size: 13px; text-align: right; }
.ar-val small { display: block; color: var(--ink-3); font-size: 11px; }
.ar-val.loss { color: var(--red); }
.auction-row.is-moved { animation: flash .8s var(--ease); }
@keyframes flash { 0% { background: var(--red-soft); } 100% { background: transparent; } }
.auction > .small { padding: 0 28px 22px; }

/* ---------- Fall ---------- */
.case { display: grid; grid-template-columns: 1.6fr 1fr; gap: 0; border: 1px solid var(--ink); margin-bottom: 40px; }
.case-story { padding: 30px 32px; }
.case-story p { color: var(--ink-2); }
.case-story strong { color: var(--ink); }
.case-task { padding: 14px 16px; border-left: 3px solid var(--red); background: var(--soft); }
.case-facts { border-left: 1px solid var(--ink); display: flex; flex-direction: column; }
.case-facts > div { flex: 1; display: flex; flex-direction: column; justify-content: center; gap: 4px; padding: 16px 24px; border-bottom: 1px solid var(--line); }
.case-facts > div:last-child { border-bottom: 0; }
.case-facts b { font-family: var(--sans); text-transform: none; font-size: 24px; color: var(--ink); font-weight: 600; letter-spacing: -0.02em; }

.extract { border: 1px solid var(--ink); }
.extract-bar { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 0 20px 0 0; border-bottom: 1px solid var(--ink); flex-wrap: wrap; }
.tabs { display: flex; }
.tab { padding: 14px 22px; font-weight: 500; font-size: 15px; color: var(--ink-3); border-right: 1px solid var(--line); transition: background .2s, color .2s; }
.tab:hover { color: var(--ink); background: var(--soft); }
.tab.is-active { background: var(--ink); color: var(--paper); }
.extract-sheet { padding: 0; }
.extract-hint { padding: 12px 20px; border-top: 1px solid var(--line); margin: 0; }
.ex-head { display: grid; grid-template-columns: 1fr auto 1fr; gap: 12px; padding: 12px 20px; border-bottom: 1px solid var(--line); font-family: var(--mono); font-size: 11.5px; text-transform: uppercase; color: var(--ink-2); letter-spacing: .03em; }
.ex-head b { color: var(--ink); font-weight: 500; }
.ex-head span:nth-child(2) { text-align: center; }
.ex-head span:last-child { text-align: right; color: var(--red); }
.ex-table { width: 100%; }
.ex-row { display: grid; align-items: stretch; border-bottom: 1px solid var(--line); width: 100%; transition: background .2s; position: relative; }
.ex-row.th { font-family: var(--mono); font-size: 11px; text-transform: uppercase; color: var(--ink-3); letter-spacing: .03em; background: var(--soft); line-height: 1.35; }
.ex-row > span { padding: 14px 16px; border-right: 1px solid var(--line); }
.ex-row > span:last-child { border-right: 0; }
.ex-row.th > span { padding: 10px 16px; }
button.ex-row:hover { background: var(--soft); }
button.ex-row:hover .ex-open { color: var(--red); transform: translateX(3px); }
.ex-row .ex-txt { font-size: 15px; line-height: 1.55; }
.ex-row .ex-nr { font-family: var(--mono); font-size: 14px; }
.ex-row .ex-open { font-family: var(--mono); color: var(--ink-3); transition: transform .25s var(--ease), color .2s; justify-self: end; }
.ex-row.del .ex-txt, .ex-row.del .ex-nr, .ex-row.del .ex-amt { text-decoration: underline; text-decoration-color: var(--red); text-decoration-thickness: 1.5px; text-underline-offset: 3px; color: var(--ink-2); }
.ex-row .badge { display: inline-block; margin-top: 8px; font-family: var(--mono); font-size: 10.5px; text-transform: uppercase; letter-spacing: .04em; padding: 2px 7px; border: 1px solid var(--ink); }
.ex-row .badge.red { color: var(--red); border-color: var(--red); }
.ex-row .badge + .badge { margin-left: 6px; }
.ex-sig { font-style: italic; color: var(--ink-3); font-size: 13px; margin-left: 6px; }
.extract.hide-del .ex-row.del { display: none; }
.ex-sub { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: .04em; color: var(--ink); padding: 10px 16px; border-bottom: 1px solid var(--line); background: var(--soft); border-top: 1px solid var(--ink); }
.ex-note { padding: 14px 16px; font-size: 14.5px; color: var(--ink-2); border-bottom: 1px solid var(--line); }
.cols-1 { grid-template-columns: 70px 1.6fr 90px 1.4fr 30px; }
.cols-2 { grid-template-columns: 70px 90px 1fr 30px; }
.cols-3 { grid-template-columns: 70px 120px 1fr 30px; }
.cols-ch { grid-template-columns: 70px 1fr; }
.btn.is-right { background: var(--ink); color: var(--paper); }
.btn.is-wrong { border-color: var(--red); color: var(--red); background: var(--red-soft); }

.level { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
.level i { display: inline-flex; gap: 3px; }
.level i::before, .level i::after, .level i span { content: ""; }
.lvl-bars { display: inline-flex; gap: 3px; }
.lvl-bars span { width: 14px; height: 6px; border: 1px solid var(--ink); }
.lvl-bars span.on { background: var(--ink); }
.lvl-3 .lvl-bars span.on { background: var(--red); border-color: var(--red); }

/* order task */
.order { border: 1px solid var(--ink); }
.order-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; padding: 28px 28px 20px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.order-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.order-grid { display: grid; grid-template-columns: 1fr 1fr; }
.order-pool { padding: 20px; display: flex; flex-direction: column; gap: 8px; border-right: 1px solid var(--line); }
.order-slots { padding: 20px; display: flex; flex-direction: column; gap: 8px; counter-reset: slot; }
.order-item { border: 1px solid var(--line-2); padding: 12px 14px; display: grid; grid-template-columns: 64px 1fr; gap: 12px; align-items: baseline; transition: background .2s, border-color .2s, opacity .2s; text-align: left; width: 100%; }
.order-item .oi-id { font-family: var(--mono); font-size: 13px; font-weight: 500; }
.order-item .oi-t { font-size: 14.5px; line-height: 1.4; }
.order-item .oi-d { display: block; font-family: var(--mono); font-size: 11.5px; color: var(--ink-3); margin-top: 2px; }
button.order-item:hover { border-color: var(--ink); background: var(--soft); }
.order-item.is-used { opacity: .25; pointer-events: none; }
.order-slot { border: 1px dashed var(--line-2); min-height: 52px; display: grid; grid-template-columns: 40px 1fr; align-items: center; position: relative; }
.order-slot::before { counter-increment: slot; content: counter(slot); font-family: var(--mono); font-size: 13px; color: var(--ink-3); text-align: center; align-self: stretch; display: flex; align-items: center; justify-content: center; border-right: 1px dashed var(--line-2); }
.order-slot.filled { border-style: solid; border-color: var(--ink); }
.order-slot.filled::before { border-right-style: solid; border-color: var(--ink); color: var(--ink); }
.order-slot .order-item { border: 0; padding: 10px 12px; }
.order-slot.ok { border-color: var(--ink); background: var(--soft); }
.order-slot.bad { border-color: var(--red); background: var(--red-soft); }
.order-slot.bad::before { color: var(--red); border-color: var(--red); }
.order-result { padding: 0 28px; }
.order-result:not(:empty) { padding: 22px 28px 26px; border-top: 1px solid var(--line); }
.order-result h4 { font-size: 22px; margin-bottom: 10px; }
.order-result ol { counter-reset: r; }
.order-result li { padding: 8px 0 8px 36px; position: relative; border-bottom: 1px solid var(--line); color: var(--ink-2); font-size: 15px; }
.order-result li::before { counter-increment: r; content: counter(r); position: absolute; left: 0; top: 8px; font-family: var(--mono); color: var(--red); }
.order-result li strong { color: var(--ink); }

.todo { border-top: 1px solid var(--ink); margin-top: 24px; counter-reset: todo; }
.todo li { display: grid; grid-template-columns: 56px 1fr auto; gap: 16px; padding: 20px 0; border-bottom: 1px solid var(--line); align-items: start; }
.todo li::before { counter-increment: todo; content: counter(todo, decimal-leading-zero); font-family: var(--mono); color: var(--red); font-size: 14px; padding-top: 3px; }
.todo h4 { font-size: 19px; margin-bottom: 6px; letter-spacing: -0.01em; }
.todo p { color: var(--ink-2); font-size: 15.5px; max-width: 72ch; }
.todo .todo-ref { font-family: var(--mono); font-size: 11.5px; color: var(--ink-3); border: 1px solid var(--line-2); padding: 2px 8px; white-space: nowrap; }
.todo .todo-check { width: 22px; height: 22px; border: 1.5px solid var(--ink); display: inline-flex; align-items: center; justify-content: center; cursor: pointer; font-size: 13px; }
.todo li.done h4 { text-decoration: line-through; text-decoration-color: var(--red); color: var(--ink-3); }

/* ---------- Übungen ---------- */
.tabs-wide { border: 1px solid var(--ink); margin-bottom: 0; flex-wrap: wrap; }
.tabs-wide .tab { flex: 1; text-align: center; border-right: 1px solid var(--line); }
.tabs-wide .tab:last-child { border-right: 0; }
.ex-pane { display: none; border: 1px solid var(--ink); border-top: 0; }
.ex-pane.is-active { display: block; animation: fadeUp .45s var(--ease); }
.ex-pane > .acc-flat, .ex-pane > .order { margin: 0 24px 24px; }
.ex-intro { padding: 24px 24px 20px; border-bottom: 1px solid var(--line); }
.ex-intro p { max-width: 80ch; }
.ex-tools { display: flex; align-items: center; gap: 10px; justify-content: flex-end; margin-top: 16px; flex-wrap: wrap; }
.ex-tools .mono { margin-right: auto; color: var(--ink); font-size: 13px; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 20px; margin-top: 14px; text-transform: none; color: var(--ink-2); }
.ex-list > li { display: grid; grid-template-columns: 48px 1.1fr 1fr; gap: 20px; padding: 22px 24px; border-bottom: 1px solid var(--line); align-items: start; }
.ex-list > li:last-child { border-bottom: 0; }
.ex-n { font-family: var(--mono); font-size: 14px; color: var(--ink-3); padding-top: 2px; }
.ex-text { font-size: 15.5px; line-height: 1.6; }
.ex-text mark { background: none; color: inherit; border-bottom: 2px solid transparent; transition: border-color .4s, background .4s; }
li.is-checked .ex-text mark { border-bottom-color: var(--red); background: var(--red-soft); }
.ex-answer { display: flex; flex-direction: column; gap: 10px; }
.select { position: relative; }
.select select { width: 100%; appearance: none; -webkit-appearance: none; border: 1px solid var(--ink); background: var(--paper); padding: 11px 38px 11px 12px; font: inherit; font-size: 15px; cursor: pointer; color: var(--ink); }
.select::after { content: "↓"; position: absolute; right: 12px; top: 50%; transform: translateY(-50%); font-family: var(--mono); pointer-events: none; font-size: 13px; }
.select select:focus-visible { outline: 2px solid var(--red); outline-offset: 1px; }
li.is-right .select select { background: var(--ink); color: var(--paper); }
li.is-right .select::after { color: var(--paper); }
li.is-wrong .select select { border-color: var(--red); background: var(--red-soft); }
.ex-fb { font-size: 14.5px; color: var(--ink-2); animation: fadeUp .35s var(--ease); }
.ex-fb strong { color: var(--ink); }
.ex-fb .mono { margin-right: 6px; }
.ex-fb .ok { color: var(--ink); }
.ex-fb .no { color: var(--red); }
.opt-row { display: flex; gap: 6px; }
.opt-row button { width: 46px; height: 44px; border: 1px solid var(--ink); font-family: var(--mono); font-size: 15px; display: inline-flex; align-items: center; justify-content: center; transition: background .2s, color .2s; }
.opt-row button:hover:not(:disabled) { background: var(--soft); }
.opt-row button.is-right { background: var(--ink); color: var(--paper); }
.opt-row button.is-wrong { border-color: var(--red); color: var(--red); background: var(--red-soft); }
.opt-row button:disabled { cursor: default; }
.honnef-mini { font-size: 14.5px; }
.honnef-mini table { width: 100%; border-collapse: collapse; margin: 6px 0 20px; }
.honnef-mini th, .honnef-mini td { border: 1px solid var(--line-2); padding: 8px 10px; text-align: left; vertical-align: top; }
.honnef-mini th { font-family: var(--mono); font-size: 11px; text-transform: uppercase; color: var(--ink-3); font-weight: 400; background: var(--soft); }
.honnef-mini h5 { font-size: 13px; font-family: var(--mono); text-transform: uppercase; margin: 10px 0 4px; font-weight: 500; color: var(--ink); letter-spacing: .04em; }
.honnef-mini .del { text-decoration: underline; text-decoration-color: var(--red); }

.quiz { padding: 0; }
.quiz-top { display: flex; justify-content: space-between; align-items: center; padding: 18px 24px; border-bottom: 1px solid var(--line); }
.quiz-bar { flex: 1; height: 2px; background: var(--line); margin: 0 18px; position: relative; }
.quiz-bar i { position: absolute; inset: 0 auto 0 0; background: var(--red); transition: width .4s var(--ease); }
.quiz-body { padding: 32px 24px 28px; }
.quiz-q { font-size: clamp(22px, 2.6vw, 30px); font-weight: 500; letter-spacing: -0.02em; line-height: 1.25; margin-bottom: 26px; max-width: 34ch; animation: fadeUp .4s var(--ease); }
.quiz-opts { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.quiz-opt { border: 1px solid var(--ink); padding: 16px 18px; display: grid; grid-template-columns: 30px 1fr; gap: 10px; align-items: baseline; transition: background .2s, color .2s; font-size: 16px; }
.quiz-opt .mono { color: var(--ink-3); }
.quiz-opt:hover:not(:disabled) { background: var(--soft); }
.quiz-opt.is-right { background: var(--ink); color: var(--paper); }
.quiz-opt.is-right .mono { color: #bbb; }
.quiz-opt.is-wrong { border-color: var(--red); background: var(--red-soft); color: var(--red); }
.quiz-opt:disabled { cursor: default; }
.quiz-fb { margin-top: 20px; color: var(--ink-2); min-height: 28px; }
.quiz-fb + .btn { margin-top: 12px; }
.quiz-end { text-align: center; padding: 40px 24px; }
.quiz-end .big { font-size: clamp(56px, 9vw, 120px); font-weight: 600; letter-spacing: -0.05em; line-height: 1; }
.quiz-end .big span { color: var(--red); }

/* ---------- Glossar ---------- */
.gloss-search { display: flex; align-items: center; gap: 16px; border-bottom: 1px solid var(--ink); margin-bottom: 8px; }
.gloss-search input { flex: 1; border: 0; padding: 18px 0; font-size: clamp(20px, 2.4vw, 28px); letter-spacing: -0.02em; background: transparent; outline: none; }
.gloss-search input::placeholder { color: var(--line-2); }
.gloss-list { margin: 0; columns: 2; column-gap: 56px; }
.gloss-item { break-inside: avoid; padding: 18px 0; border-bottom: 1px solid var(--line); scroll-margin-top: 100px; }
.gloss-item dt { font-weight: 600; font-size: 17px; margin-bottom: 4px; display: flex; justify-content: space-between; gap: 12px; }
.gloss-item dt .mono { font-weight: 400; }
.gloss-item dd { margin: 0; color: var(--ink-2); font-size: 15.5px; }
.gloss-item.flash { animation: flash 1.4s var(--ease); }
.gloss-empty { padding: 24px 0; color: var(--ink-3); }

/* ---------- footer ---------- */
.footer { border-top: 1px solid var(--ink); padding: 56px 0 64px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1.4fr auto; gap: 48px; align-items: start; }
.brand-foot { margin-bottom: 12px; }

/* ---------- drawer & popover ---------- */
.scrim { position: fixed; inset: 0; background: rgba(15,15,15,.28); z-index: 70; opacity: 0; transition: opacity .3s; }
.scrim.is-open { opacity: 1; }
.drawer { position: fixed; top: 0; right: 0; bottom: 0; width: min(560px, 100vw); background: var(--paper); border-left: 1px solid var(--ink); z-index: 80; transform: translateX(100%); transition: transform .45s var(--ease); display: flex; flex-direction: column; padding: 0 32px 40px; overflow-y: auto; overscroll-behavior: contain; }
.drawer.is-open { transform: none; }
.drawer-head { position: sticky; top: 0; background: var(--paper); display: flex; justify-content: space-between; align-items: center; padding: 18px 0; border-bottom: 1px solid var(--line); z-index: 1; }
.drawer-head .mono { color: var(--red); }
.drawer-close { width: 40px; height: 40px; border: 1px solid var(--ink); display: inline-flex; align-items: center; justify-content: center; font-size: 15px; transition: background .2s, color .2s; text-align: center; }
.drawer-close:hover { background: var(--ink); color: var(--paper); }
.drawer h3 { font-size: clamp(28px, 3.4vw, 40px); letter-spacing: -0.035em; margin: 26px 0 20px; line-height: 1.05; }
.drawer-body { color: var(--ink-2); }
.drawer-body strong { color: var(--ink); }
.drawer-body .d-sec { padding: 18px 0; border-top: 1px solid var(--line); }
.drawer-body .d-sec:first-child { border-top: 0; padding-top: 0; }
.drawer-body .d-k { display: block; font-family: var(--mono); font-size: 11.5px; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-3); margin-bottom: 8px; }
.drawer-body .d-quote { font-size: 15px; padding: 14px 16px; border: 1px solid var(--line-2); color: var(--ink); background: var(--soft); }
.drawer-body .d-quote.del { text-decoration: underline; text-decoration-color: var(--red); text-decoration-thickness: 1.5px; text-underline-offset: 3px; }
.drawer-body .d-facts { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line-2); }
.drawer-body .d-facts > div { padding: 12px 14px; }
.drawer-body .d-facts > div:nth-child(even) { border-left: 1px solid var(--line-2); }
.drawer-body .d-facts > div:nth-child(n+3) { border-top: 1px solid var(--line-2); }
.drawer-body .d-facts > div > span { display: block; font-family: var(--mono); font-size: 10.5px; text-transform: uppercase; color: var(--ink-3); margin-bottom: 4px; letter-spacing: .04em; }
.drawer-body .d-facts b { color: var(--ink); font-weight: 500; font-size: 15px; }
.drawer-body ul.dots li { padding-left: 18px; position: relative; margin-bottom: 6px; }
.drawer-body ul.dots li::before { content: ""; position: absolute; left: 0; top: .65em; width: 6px; height: 6px; background: var(--ink); }
.drawer-body .d-warn { border-left: 3px solid var(--red); padding: 12px 14px; background: var(--red-soft); color: var(--ink); font-size: 15px; }
.drawer-body .d-plus { border-left: 3px solid var(--ink); padding: 12px 14px; background: var(--soft); font-size: 15px; }

.pop { position: fixed; z-index: 90; max-width: 340px; background: var(--ink); color: var(--paper); padding: 16px 18px 14px; font-size: 14.5px; line-height: 1.5; animation: fadeUp .25s var(--ease); }
.pop[hidden] { display: none; }
.pop strong { display: block; font-size: 15px; margin-bottom: 6px; }
.pop .pop-more { display: inline-block; margin-top: 10px; font-family: var(--mono); font-size: 11px; text-transform: uppercase; color: #ff7c8f; text-decoration: none; letter-spacing: .05em; }
.pop .pop-more:hover { color: #fff; }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1080px) {
  .topnav { display: none; }
  .chapter-grid { grid-template-columns: repeat(3, 1fr); }
  .rights-grid { grid-template-columns: repeat(2, 1fr); }
  .limits { grid-template-columns: 1fr 1fr; }
  .limit:nth-child(3) { padding-left: 0; border-left: 0; }
  .limit:nth-child(n+3) { border-top: 1px solid var(--line); margin-top: 18px; }
  .sec > .wrap > .lead, .definition { margin-left: 0; }
}

@media (max-width: 860px) {
  :root { --gutter: 20px; --top: 56px; }
  body { font-size: 16px; }
  .sec { padding: 96px 0; }
  .sec-tight { padding-bottom: 56px; }
  .sec-head { grid-template-columns: 1fr; gap: 6px; margin-bottom: 32px; }
  .block, .split { margin-top: 64px; }
  .split { grid-template-columns: 1fr; gap: 24px; }
  .hero { padding-top: calc(var(--top) + 40px); gap: 64px; }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-book { justify-self: start; }
  .book-cover { width: min(280px, 70vw); }
  .chapter-grid { grid-template-columns: repeat(2, 1fr); }
  .scroll-cue { display: none; }
  .facts { grid-template-columns: 1fr; }
  .fact, .fact + .fact { padding: 22px 0; border-left: 0; }
  .fact + .fact { border-top: 1px solid var(--line); }
  .who-grid { grid-template-columns: 1fr 1fr; }
  .steps-row { grid-template-columns: 1fr; }
  .step-box + .step-box { border-left: 0; border-top: 1px solid var(--line); }

  .map-layout, .build-layout, .deal-layout { grid-template-columns: 1fr; gap: 18px; align-content: center; }
  .map-crumbs { margin-bottom: 14px; }
  .map-crumbs li { font-size: 9.5px; padding: 8px 2px; letter-spacing: 0; }
  .map-cards { min-height: 150px; }
  .map-card h3 { font-size: 26px; margin: 4px 0 8px; }
  .map-card p { font-size: 14.5px; }
  .map-visual { height: 44vh; height: 42svh; }

  .build-steps { order: 2; }
  .build-stack { order: 1; height: 38vh; height: 36svh; }
  .build-step button { padding: 10px 0; grid-template-columns: 40px 1fr; }
  .build-step .bs-d > div { padding-left: 52px; font-size: 14px; }
  .build-step:not(.is-active):not(.is-done) { display: none; }
  .build-step.is-done:not(:nth-last-child(1)) { display: none; }
  .build-step.is-active { display: block; }
  .sheet-title { font-size: 16px; padding: 10px 12px 4px; }
  .sheet-table { font-size: 11.5px; margin: 4px 10px 10px; }
  .sheet-row > span { padding: 5px 6px; }
  .sheet-callout { display: none; }

  .deal-cards { min-height: 190px; }
  .deal-card h3 { font-size: 24px; }
  .deal-card p { font-size: 14.5px; }
  .deal-book { min-height: 0; height: 40vh; height: 38svh; }
  .deal-col-h { font-size: 9.5px; padding: 8px 6px; letter-spacing: 0; }
  .deal-col-b { padding: 6px; gap: 6px; }
  .deal-entry { font-size: 11.5px; padding: 6px 7px; }
  .deal-entry small { font-size: 9px; }

  .memo { grid-template-columns: 1fr; padding: 24px; gap: 8px; }
  .pub-pair, .sim-body, .compare { grid-template-columns: 1fr; }
  .compare { grid-template-columns: 1fr 1fr; }
  .pub + .pub { border-left: 0; border-top: 1px solid var(--ink); }
  .sim-head, .sim-controls, .sim-result { padding: 22px 20px; }
  .sim-controls { border-right: 0; border-bottom: 1px solid var(--line); }
  .limits { grid-template-columns: 1fr; }
  .limit, .limit + .limit { padding: 18px 0 0; border-left: 0; margin-top: 18px; border-top: 1px solid var(--line); }
  .limit:first-child { border-top: 0; margin-top: 0; }

  .formula { grid-template-columns: 1fr; }
  .formula-op { border: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 4px; font-size: 22px; }

  .trio { grid-template-columns: 1fr; }
  .trio-col + .trio-col { border-left: 0; border-top: 1px solid var(--ink); }
  .game-head, .tree-head, .pairs-head { padding: 22px 20px 18px; }
  .sort-stage { padding: 28px 20px; }
  .sort-buttons .btn { flex: 1 1 100%; }
  .sort-bins { grid-template-columns: 1fr; }
  .bin + .bin { border-left: 0; border-top: 1px solid var(--line); }
  .key-q { padding: 22px 20px; }
  .key-q-grid { grid-template-columns: 1fr; }
  .key-q-grid > div + div { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); padding-top: 16px; margin-top: 16px; }
  .rights-grid { grid-template-columns: 1fr; }
  .right { min-height: 0; }
  .tree-path { padding: 12px 20px; }
  .tree-q { padding: 28px 20px; }
  .tree-q .q-btns .btn { flex: 1 1 100%; }

  .hg-cols { grid-template-columns: 1fr; }
  .hg-col + .hg-col { border-left: 0; border-top: 1px solid var(--line); }
  .hg-control, .hg-col { padding: 22px 20px; }
  .hg-bar { grid-template-columns: 74px 1fr 84px; gap: 8px; }

  .rules { grid-template-columns: 1fr; }
  .rule { padding: 22px 20px; }
  .rule-vis { flex-wrap: wrap; }
  .mini-col { min-width: 0; flex: 1; }
  .pairs-body { padding: 22px 20px; }
  .pair-entries { grid-template-columns: 1fr; }
  .pair-vs { justify-content: center; padding: 8px; }
  .auction-head, .auction-control { padding: 22px 20px; }
  .auction-list { padding: 4px 20px; }
  .auction-row { grid-template-columns: 44px 1fr 96px; gap: 10px; }
  .ar-bar { grid-column: 2 / -1; grid-row: 2; height: 14px; }
  .auction > .small { padding: 0 20px 20px; }

  .case { grid-template-columns: 1fr; }
  .case-story { padding: 22px 20px; }
  .case-facts { border-left: 0; border-top: 1px solid var(--ink); flex-direction: row; flex-wrap: wrap; }
  .case-facts > div { flex: 1 1 50%; border-right: 1px solid var(--line); padding: 12px 16px; }
  .case-facts b { font-size: 18px; }
  .extract-bar { padding: 0; }
  .extract-bar .switch { padding: 10px 16px; }
  .tab { padding: 12px 16px; }
  .ex-head { grid-template-columns: 1fr; gap: 2px; padding: 10px 14px; }
  .ex-head span:nth-child(2), .ex-head span:last-child { text-align: left; }
  .ex-row.th { display: none; }
  .ex-row { grid-template-columns: 48px 1fr 24px !important; }
  .ex-row > span { padding: 12px 10px; border-right: 0; }
  .ex-row .ex-hide-m { display: none; }
  .ex-row .ex-txt { font-size: 14px; }
  .cols-ch { grid-template-columns: 48px 1fr !important; }

  .order-head { padding: 22px 20px 18px; }
  .order-grid { grid-template-columns: 1fr; }
  .order-pool { border-right: 0; border-bottom: 1px solid var(--line); padding: 16px; }
  .order-slots { padding: 16px; }
  .order-item { grid-template-columns: 52px 1fr; }
  .order-result:not(:empty) { padding: 20px; }
  .todo li { grid-template-columns: 40px 1fr; }
  .todo .todo-ref { grid-column: 2; justify-self: start; }

  .tabs-wide .tab { flex: 1 1 50%; border-bottom: 1px solid var(--line); }
  .ex-intro { padding: 20px 16px; }
  .ex-list > li { grid-template-columns: 30px 1fr; gap: 10px 12px; padding: 20px 16px; }
  .ex-answer { grid-column: 2; }
  .ex-pane > .acc-flat, .ex-pane > .order { margin: 0 12px 16px; }
  .quiz-top { padding: 14px 16px; }
  .quiz-body { padding: 24px 16px; }
  .quiz-opts { grid-template-columns: 1fr; }

  .gloss-list { columns: 1; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .drawer { padding: 0 20px 32px; }
  .drawer-body .d-facts { grid-template-columns: 1fr; }
  .drawer-body .d-facts > div:nth-child(even) { border-left: 0; }
  .drawer-body .d-facts > div + div { border-top: 1px solid var(--line-2); }
}

@media (max-width: 520px) {
  .who-grid { grid-template-columns: 1fr; }
  .chapter-grid { grid-template-columns: 1fr 1fr; }
  .chapter { min-height: 92px; padding: 12px; }
  .chapter strong { font-size: 14.5px; }
  .hero-title { font-size: clamp(56px, 18vw, 96px); }
  .compare-tab { font-size: 13.5px; padding: 12px; }
  .game-score { font-size: 20px; }
  .menu-label { display: none; }
}

@media (max-height: 700px) and (min-width: 861px) {
  .map-visual { height: 64vh; }
  .build-stack { height: 62vh; }
  .deal-book { min-height: 56vh; }
}