/* Der Weg zur Mitte – Stil. Farben/Schrift laut 00_Marke/Brand_Briefing.md.
   Zinnober nur als kleiner Akzent (Siegel, Fokus, Punkt). Inhaltsbilder nie beschneiden. */
:root {
  --papier: #F2EBDD;
  --papier-tief: #E9E0CF;
  --tusche: #1E1B18;
  --warmgrau: #8A8178;
  --text-grau: #6B635B;   /* Warmgrau abgedunkelt für lesbaren Kleintext */
  --nebel: #D9D6CF;
  --zinnober: #C8402A;
  --serif: "Shippori Mincho", "Hiragino Mincho ProN", Georgia, serif;
  --sans: "Zen Kaku Gothic New", "Hiragino Sans", system-ui, sans-serif;
  --breite: 1180px;
  --rand: clamp(16px, 4vw, 48px);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0; background: var(--papier); color: var(--tusche);
  font-family: var(--sans); font-size: 1.0625rem; line-height: 1.8;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--zinnober); outline-offset: 3px; }
h1, h2, h3 { font-family: var(--serif); font-weight: 700; line-height: 1.3; margin: 0; }

.sprung { position: absolute; left: -999px; top: 8px; background: var(--tusche); color: var(--papier); padding: 8px 14px; z-index: 10; }
.sprung:focus { left: 8px; }

/* Kopf */
.kopf { display: flex; align-items: center; justify-content: space-between; gap: 16px;
  max-width: var(--breite); margin: 0 auto; padding: 20px var(--rand); }
.marke { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.marke img { width: 44px; height: 44px; }
.marke span { font-family: var(--serif); font-weight: 700; font-size: 1.125rem; letter-spacing: .03em; }
.kopf nav { display: flex; gap: 24px; }
.kopf nav a { text-decoration: none; padding: 4px 0; border-bottom: 1px solid transparent; }
.kopf nav a:hover { border-bottom-color: var(--tusche); }

/* Knöpfe */
.knopf { display: inline-block; font: 500 1rem/1 var(--sans); color: var(--papier); background: var(--tusche);
  border: 0; border-radius: 2px; padding: 15px 24px; text-decoration: none; cursor: pointer;
  transition: transform .4s ease, background .4s ease; }
.knopf:hover { background: #3a342e; }
.knopf:active { transform: translateY(1px); }
.leise { text-decoration: none; border-bottom: 1px solid var(--warmgrau); padding-bottom: 2px; }
.leise:hover { border-bottom-color: var(--tusche); }

/* Hero */
.hero { max-width: var(--breite); margin: 0 auto; padding: 24px var(--rand) 96px;
  display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: clamp(24px, 5vw, 72px); align-items: center; }
.hero-enso { position: relative; aspect-ratio: 1; width: 100%; max-width: 600px; }
.hero-enso canvas { position: absolute; inset: 0; width: 100%; height: 100%; touch-action: pan-y; }
.enso-ersatz { position: absolute; inset: 0; width: 100%; height: 100%; }
.hat-3d .enso-ersatz { display: none; }
.hero h1 { font-weight: 800; font-size: clamp(2.6rem, 6vw, 4.6rem); letter-spacing: .01em; line-height: 1.12; }
.claim { font-family: var(--serif); font-weight: 500; font-size: clamp(1.3rem, 2.4vw, 1.6rem); margin: .5em 0 1.2em; }
.intro { max-width: 34em; margin: 0 0 2em; }
.hero-links { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 28px; margin: 0; }

/* Der Weg */
.weg { position: relative; max-width: var(--breite); margin: 0 auto; padding: 0 var(--rand) 40px; }
.abschnitt-titel { font-size: clamp(1.6rem, 3vw, 2.1rem); text-align: center; margin-bottom: 72px; }
.pfad { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; overflow: visible; }
.pfad path { fill: none; stroke-linecap: round; stroke-linejoin: round; }
.pfad-spur { stroke: var(--nebel); stroke-width: 2; }
.pfad-strich { stroke: var(--tusche); stroke-width: 3; }
.stationen { list-style: none; margin: 0; padding: 0; position: relative; }
.station { margin: 0 0 clamp(80px, 12vw, 160px); }
.station > a { display: grid; align-items: start; text-decoration: none;
  grid-template-columns: minmax(0, 1fr) 96px minmax(0, 1fr); grid-template-areas: "bild punkt text"; }
.station-rechts > a { grid-template-areas: "text punkt bild"; }
.station-bild { grid-area: bild; margin: 0; }
.station-bild img { width: 100%; height: auto; border: 1px solid var(--tusche); }
.station-punkt { grid-area: punkt; justify-self: center; margin-top: 10px; width: 14px; height: 14px; border-radius: 50%;
  background: var(--papier); border: 2px solid var(--tusche); position: relative; z-index: 1; transition: background .6s ease; }
.station.erreicht .station-punkt { background: var(--tusche); }
.station-text { grid-area: text; display: flex; gap: 22px; align-items: flex-start; }
.station-rechts .station-text { flex-direction: row-reverse; justify-content: flex-start; text-align: right; }
.station-rechts .station-info { margin-left: auto; }
.senkrecht { writing-mode: vertical-rl; font-size: clamp(1.35rem, 2vw, 1.7rem); max-height: 19em; letter-spacing: .04em; }
.senkrecht .nr { text-combine-upright: all; color: var(--warmgrau); font-weight: 500; margin-block-end: .6em; }
.station-info { max-width: 18em; padding-top: 4px; }
.figur { color: var(--text-grau); font-size: .95rem; margin: 0 0 .9em; }
.kern { font-family: var(--serif); font-weight: 500; font-size: 1.3rem; line-height: 1.55; margin: 0; }
.station > a:hover h2, .station > a:focus-visible h2 { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 6px; }

/* Mitte */
.mitte { max-width: 900px; margin: 0 auto; padding: 40px var(--rand) 120px; text-align: center; position: relative; }
.mitte-enso { width: 150px; height: 150px; margin: 0 auto 24px; }
.mitte h2 { font-size: clamp(1.8rem, 3.4vw, 2.4rem); }
.mitte > p { max-width: 34em; margin: 1em auto 40px; }

/* Video (lädt erst nach Klick) */
.video { text-align: left; }
.video-start { position: relative; display: block; width: 100%; padding: 0; border: 1px solid var(--tusche); background: var(--tusche); cursor: pointer; }
.video-start img { width: 100%; height: auto; opacity: .82; transition: opacity .5s ease; }
.video-start:hover img { opacity: .7; }
.video-knopf { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  display: flex; align-items: center; gap: 12px; background: var(--papier); color: var(--tusche);
  font: 500 1rem/1 var(--sans); padding: 15px 22px; border-radius: 2px; }
.dreieck { width: 0; height: 0; border-left: 12px solid var(--tusche); border-top: 7px solid transparent; border-bottom: 7px solid transparent; }
.video iframe { display: block; width: 100%; aspect-ratio: 16 / 9; border: 1px solid var(--tusche); background: var(--tusche); }
.video-hinweis { font-size: .85rem; color: var(--text-grau); margin: 12px 0 0; }

/* Spiel-Hinweis */
.spiel-hinweis { max-width: 900px; margin: 0 auto; padding: 56px var(--rand) 96px; border-top: 1px solid var(--nebel); text-align: center; }
.spiel-hinweis h2 { font-size: 1.6rem; margin-bottom: .6em; }

/* Kapitelseite */
.kapitel { max-width: var(--breite); margin: 0 auto; padding: 16px var(--rand) 64px; }
.k-kopf { display: grid; grid-template-columns: minmax(0, 1fr) auto; grid-template-areas: "szene titel" "info titel";
  gap: 28px clamp(24px, 4vw, 56px); margin-bottom: 120px; }
.k-szene { grid-area: szene; margin: 0; }
.k-szene img { width: 100%; height: auto; border: 1px solid var(--tusche); }
.k-kopf h1 { grid-area: titel; font-size: clamp(1.8rem, 3vw, 2.6rem); max-height: 15em; }
.k-info { grid-area: info; display: grid; grid-template-columns: auto 1fr; gap: 4px 40px; align-items: baseline; }
.k-stelle, .k-info .figur { color: var(--text-grau); font-size: .95rem; margin: 0; }
.k-info .kern { grid-column: 1 / -1; font-size: clamp(1.5rem, 2.8vw, 2rem); margin: .5em 0 .2em; }
.thema { grid-column: 1 / -1; margin: 0; color: var(--text-grau); }
.kapitel section > h2 { font-size: clamp(1.5rem, 2.6vw, 1.9rem); margin-bottom: 32px; }
.k-video, .k-uebung, .k-comic { max-width: 900px; margin: 0 auto 120px; }

/* Übung */
.k-uebung { display: grid; grid-template-columns: 280px minmax(0, 1fr); grid-template-areas: "titel titel" "atem schritte"; gap: 0 56px; }
.k-uebung > h2 { grid-area: titel; }
.atem { grid-area: atem; display: flex; flex-direction: column; align-items: center; gap: 16px; }
.atem-feld { position: relative; width: 240px; height: 240px; }
.atem-kreis { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.atem-kreis circle { fill: none; stroke: var(--tusche); stroke-width: 1.5; transform-origin: 100px 100px; transform: scale(.62); }
.atemstein { position: absolute; left: 10px; top: 10px; width: 220px; height: 220px; cursor: grab; }
.atemstein:active { cursor: grabbing; }
.atem-text { font-family: var(--serif); font-size: 1.25rem; min-height: 1.6em; margin: 0; text-align: center; }
.schritte { grid-area: schritte; margin: 0; padding-left: 1.4em; align-self: center; }
.schritte li { margin: 0 0 .9em; padding-left: .3em; }
.schritte li::marker { font-family: var(--serif); color: var(--warmgrau); }

/* Comic */
.k-comic { max-width: 760px; }
.panel { margin: 0 0 80px; }
.panel img { width: 100%; height: auto; border: 1px solid var(--tusche); }
.panel figcaption { margin: 22px 0 0; font-size: 1.05rem; line-height: 1.9; }

/* Kapitel-Navigation */
.k-nav { max-width: 900px; margin: 0 auto; padding-top: 40px; border-top: 1px solid var(--nebel);
  display: grid; grid-template-columns: 1fr auto 1fr; gap: 24px; align-items: start; }
.k-nav a { text-decoration: none; font-family: var(--serif); font-weight: 500; line-height: 1.45; }
.k-nav a span { display: block; font-family: var(--sans); font-weight: 400; font-size: .85rem; color: var(--text-grau); margin-bottom: 4px; }
.k-nav .weiter { text-align: right; }
.k-nav .zum-weg { border-bottom: 1px solid var(--warmgrau); align-self: center; font-family: var(--sans); font-weight: 400; }
.k-nav a:hover { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 5px; }

/* Einfache Seiten */
.einfach { max-width: 720px; margin: 0 auto; padding: 48px var(--rand) 120px; }
.einfach h1 { font-size: clamp(2rem, 4vw, 2.8rem); margin-bottom: .8em; }
.einfach h2 { font-size: 1.3rem; margin: 1.8em 0 .4em; }
.platzhalter { background: var(--papier-tief); padding: 16px 20px; }

/* Fuß */
.fuss { max-width: var(--breite); margin: 0 auto; padding: 32px var(--rand) 48px; border-top: 1px solid var(--nebel);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 32px; font-size: .88rem; color: var(--text-grau); }
.fuss p { margin: 0; display: flex; gap: 24px; }

/* Schmal */
@media (max-width: 899px) {
  .hero { grid-template-columns: 1fr; padding-bottom: 72px; }
  .hero-enso { max-width: 420px; margin: 0 auto; }
  .station > a, .station-rechts > a { grid-template-columns: 32px minmax(0, 1fr); column-gap: 16px; row-gap: 20px;
    grid-template-areas: "punkt bild" ". text"; }
  .station-punkt { justify-self: start; margin-left: 9px; }
  .station-text, .station-rechts .station-text { flex-direction: column; gap: 10px; text-align: left; }
  .station-rechts .station-info { margin-left: 0; }
  .senkrecht { writing-mode: horizontal-tb; max-height: none; }
  .senkrecht .nr { display: block; margin: 0 0 .2em; font-size: .9rem; font-family: var(--sans); }
  .k-kopf { grid-template-columns: 1fr; grid-template-areas: "titel" "szene" "info"; margin-bottom: 80px; }
  .k-info { grid-template-columns: 1fr; }
  .k-uebung { grid-template-columns: 1fr; grid-template-areas: "titel" "atem" "schritte"; gap: 32px; }
  .k-video, .k-uebung, .k-comic { margin-bottom: 88px; }
  .k-nav { grid-template-columns: 1fr 1fr; }
  .k-nav .zum-weg { grid-column: 1 / -1; grid-row: 2; justify-self: center; }
}
@media (max-width: 480px) {
  .kopf nav { gap: 16px; }
  .marke span { font-size: 1rem; }
  .video-knopf { padding: 11px 16px; font-size: .92rem; }
}