/* =====================================================================
   π-Labor · Design-Schicht „Startup“ (über style.css)
   Referenzrichtung: Linear / Vercel / Raycast – dunkle Aurora, Raster-Linien,
   Spotlight-Karten, animierte Lichtkanten, Bento-Grid, große Display-Typo
   ===================================================================== */
@font-face { font-family: "Inter"; src: url("../fonts/inter.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Space Grotesk"; src: url("../fonts/space-grotesk.woff2") format("woff2"); font-weight: 300 700; font-display: swap; }
@property --winkel { syntax: "<angle>"; inherits: false; initial-value: 0deg; }

:root {
  --akzent-4: #6d5dfc;
  --grad: linear-gradient(110deg, var(--akzent) 0%, var(--akzent-3) 40%, #f4b04a 75%, var(--akzent-2) 100%);
  --linie: rgba(15, 37, 48, .08);
  --karte: rgba(255, 255, 255, .66);
  --karte-rand: rgba(15, 37, 48, .09);
  --display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --radius-xl: 28px;
}
:root[data-theme="dark"] {
  --akzent-4: #9d8bff;
  --linie: rgba(255, 255, 255, .06);
  --karte: rgba(14, 22, 32, .66);
  --karte-rand: rgba(255, 255, 255, .08);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --akzent-4: #9d8bff; --linie: rgba(255,255,255,.06); --karte: rgba(14,22,32,.66); --karte-rand: rgba(255,255,255,.08); }
}

body { font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif; font-feature-settings: "cv11", "ss01"; letter-spacing: -.005em; }
h1, h2, h3, .gross-zahl span, .station-titel h1, .brand-text strong { font-family: var(--display); }
::selection { background: rgba(43,179,163,.35); }

/* ---------- Hintergrund: Aurora + Rasterlinien mit Lichtkegel ---------- */
.aurora::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(var(--linie) 1px, transparent 1px), linear-gradient(90deg, var(--linie) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 70% 55% at 50% 0%, #000 30%, transparent 75%);
          mask-image: radial-gradient(ellipse 70% 55% at 50% 0%, #000 30%, transparent 75%);
}
.aurora::after {
  content: ""; position: absolute; left: 50%; top: -30vh; width: 120vw; height: 80vh; transform: translateX(-50%);
  background: conic-gradient(from 180deg at 50% 0%, transparent 35%, rgba(43,179,163,.16) 45%, rgba(109,93,252,.12) 50%, rgba(224,122,53,.14) 55%, transparent 65%);
  filter: blur(40px); animation: kegel 18s ease-in-out infinite alternate;
}
@keyframes kegel { from { transform: translateX(-52%) rotate(-4deg); } to { transform: translateX(-48%) rotate(4deg); } }
.grain { opacity: .035; }

/* ---------- Kopfleiste ---------- */
.topbar { width: min(1200px, calc(100% - 32px)); padding: 8px 10px 8px 10px; background: var(--karte); border-color: var(--karte-rand); }
.brand-pi { width: 38px; height: 38px; font-size: 22px; border-radius: 12px; }
.nav a { font-size: 14.5px; padding: 8px 14px; }
.fortschritt-pille {
  display: inline-flex; align-items: center; gap: 8px; font: 700 13px var(--display); color: var(--text);
  padding: 6px 12px 6px 8px; border-radius: 999px; background: rgba(127,127,127,.10); text-decoration: none; white-space: nowrap;
}
.fortschritt-pille .ring { --p: 0; width: 22px; height: 22px; border-radius: 50%;
  background: conic-gradient(var(--akzent-3) calc(var(--p) * 1%), rgba(127,127,127,.25) 0); position: relative; }
.fortschritt-pille .ring::after { content: ""; position: absolute; inset: 4px; border-radius: 50%; background: var(--bg); }
@media (max-width: 640px) { .fortschritt-pille span.txt { display: none; } }

main { width: min(1200px, calc(100% - 32px)); }

/* ---------- Gemeinsame Effekte ---------- */
.reveal { opacity: 0; transform: translateY(26px) scale(.985); transition: opacity .7s cubic-bezier(.2,.8,.2,1), transform .7s cubic-bezier(.2,.8,.2,1); }
.reveal.sichtbar { opacity: 1; transform: none; }

.spot { position: relative; isolation: isolate; overflow: hidden; }
.spot::before {
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: 0; transition: opacity .3s;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), rgba(43,179,163,.16), transparent 45%);
}
.spot::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px; pointer-events: none; opacity: 0; transition: opacity .3s;
  background: radial-gradient(260px circle at var(--mx, 50%) var(--my, 50%), rgba(43,179,163,.9), rgba(224,122,53,.5) 40%, transparent 70%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude;
}
.spot:hover::before, .spot:hover::after { opacity: 1; }

.lichtkante { position: relative; }
.lichtkante::after {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1.5px; pointer-events: none;
  background: conic-gradient(from var(--winkel), transparent 0 70%, var(--akzent-3) 80%, var(--akzent-2) 88%, transparent 96%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude;
  animation: kreisen 6s linear infinite;
}
@keyframes kreisen { to { --winkel: 360deg; } }

.grad-text { background: var(--grad); background-size: 200% 100%; -webkit-background-clip: text; background-clip: text; color: transparent; animation: gradlauf 8s ease-in-out infinite alternate; }
@keyframes gradlauf { to { background-position: 100% 0; } }

/* ---------- Buttons ---------- */
.btn-hero {
  display: inline-flex; align-items: center; gap: 10px; padding: 15px 26px; border-radius: 999px; border: 0; cursor: pointer;
  font: 700 16.5px var(--display); color: #fff; text-decoration: none; position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--akzent) 0%, var(--akzent-3) 100%);
  box-shadow: 0 10px 30px -8px rgba(26,127,156,.6), inset 0 1px 0 rgba(255,255,255,.35);
  transition: transform .2s cubic-bezier(.2,.8,.2,1), box-shadow .2s;
}
.btn-hero::after { content: ""; position: absolute; inset: 0; transform: translateX(-120%); background: linear-gradient(110deg, transparent 30%, rgba(255,255,255,.5) 50%, transparent 70%); transition: transform .7s; }
.btn-hero:hover { transform: translateY(-2px); box-shadow: 0 16px 40px -10px rgba(26,127,156,.75), 0 0 0 4px rgba(43,179,163,.18); }
.btn-hero:hover::after { transform: translateX(120%); }
.btn-hero:active { transform: scale(.97); }
.btn-hero .pfeil { transition: transform .2s; }
.btn-hero:hover .pfeil { transform: translateX(4px); }
.btn-geist {
  display: inline-flex; align-items: center; gap: 8px; padding: 14px 22px; border-radius: 999px; font: 600 16px var(--display);
  color: var(--text); text-decoration: none; background: var(--karte); border: 1px solid var(--karte-rand); backdrop-filter: blur(12px);
  transition: transform .2s, border-color .2s, background .2s;
}
.btn-geist:hover { transform: translateY(-2px); border-color: var(--akzent-3); }

.badge-live {
  display: inline-flex; align-items: center; gap: 10px; padding: 6px 14px 6px 8px; border-radius: 999px;
  font: 600 13.5px var(--display); color: var(--text); background: var(--karte); border: 1px solid var(--karte-rand); backdrop-filter: blur(10px);
}
.badge-live .neu { font-size: 11px; font-weight: 800; letter-spacing: .06em; color: #fff; padding: 3px 8px; border-radius: 999px; background: var(--grad); }
.badge-live .punkt { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 0 var(--ok); animation: pulsieren 2s infinite; }
@keyframes pulsieren { 0% { box-shadow: 0 0 0 0 rgba(61,220,151,.6); } 100% { box-shadow: 0 0 0 10px rgba(61,220,151,0); } }

/* =====================================================================
   Startseite
   ===================================================================== */
.hero2 { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 40px; align-items: center; padding: 56px 8px 36px; min-height: 72vh; }
.hero2 h1 { font-size: clamp(40px, 6.2vw, 78px); line-height: .98; letter-spacing: -.045em; font-weight: 700; margin: 22px 0 18px; }
.hero2 .lead { font-size: clamp(17px, 1.6vw, 20px); color: var(--text-2); max-width: 560px; margin: 0 0 30px; line-height: 1.55; }
.hero2 .aktionen { display: flex; gap: 12px; flex-wrap: wrap; }
.hero2 .mini-fakten { display: flex; gap: 22px; margin-top: 34px; color: var(--text-2); font-size: 14px; flex-wrap: wrap; }
.hero2 .mini-fakten b { display: block; font: 700 26px var(--display); color: var(--text); letter-spacing: -.02em; }
.hero-buehne { position: relative; aspect-ratio: 1 / .92; border-radius: var(--radius-xl); background: var(--karte); border: 1px solid var(--karte-rand);
  box-shadow: 0 40px 100px -30px rgba(26,127,156,.45); overflow: hidden; transform-style: preserve-3d; transition: transform .25s ease-out; }
.hero-buehne canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-buehne .fenster-kopf { position: absolute; top: 0; left: 0; right: 0; height: 40px; display: flex; align-items: center; gap: 7px; padding: 0 16px;
  border-bottom: 1px solid var(--karte-rand); background: rgba(127,127,127,.05); z-index: 2; font: 600 12.5px var(--display); color: var(--text-2); }
.fenster-kopf i { width: 11px; height: 11px; border-radius: 50%; background: #ff5f57; }
.fenster-kopf i:nth-child(2) { background: #febc2e; } .fenster-kopf i:nth-child(3) { background: #28c840; margin-right: 8px; }
.hero-zaehler { position: absolute; left: 18px; bottom: 16px; right: 18px; display: flex; justify-content: space-between; align-items: end; z-index: 2; pointer-events: none; }
.hero-zaehler .wert { font: 700 clamp(26px, 3.4vw, 40px) var(--display); letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.hero-zaehler small { display: block; font-size: 12.5px; color: var(--text-2); font-weight: 600; }
.schwebe { position: absolute; z-index: 3; padding: 9px 14px; border-radius: 14px; font: 600 13px var(--display); background: var(--karte); border: 1px solid var(--karte-rand);
  backdrop-filter: blur(14px); box-shadow: 0 14px 30px -12px rgba(0,0,0,.35); animation: schweben 6s ease-in-out infinite; }
.schwebe b { color: var(--akzent-3); }
.schwebe.s1 { top: 58px; right: -10px; } .schwebe.s2 { top: 46%; left: -18px; animation-delay: -2s; }
@keyframes schweben { 50% { transform: translateY(-10px); } }

/* π-Ticker */
.ticker { position: relative; overflow: hidden; padding: 16px 0; margin: 10px 0 30px; border-top: 1px solid var(--karte-rand); border-bottom: 1px solid var(--karte-rand);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.ticker-band { display: flex; width: max-content; animation: laufband 90s linear infinite; font: 500 22px ui-monospace, "SF Mono", Menlo, monospace; letter-spacing: .18em; color: var(--text-2); }
.ticker-band span { padding-right: .18em; }
.ticker-band em { font-style: normal; color: var(--akzent-3); font-weight: 700; }
@keyframes laufband { to { transform: translateX(-50%); } }

/* Abschnitte */
.abschnitt { padding: 46px 0 10px; }
.abschnitt-kopf { text-align: center; max-width: 720px; margin: 0 auto 34px; }
.abschnitt-kopf .ueber { font: 700 13px var(--display); letter-spacing: .14em; text-transform: uppercase; color: var(--akzent-2); }
.abschnitt-kopf h2 { font-size: clamp(30px, 4vw, 46px); letter-spacing: -.035em; line-height: 1.05; margin: 10px 0 12px; }
.abschnitt-kopf p { color: var(--text-2); font-size: 17px; margin: 0; }

/* So geht's */
.schritte3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.schritt { padding: 26px; border-radius: 22px; background: var(--karte); border: 1px solid var(--karte-rand); backdrop-filter: blur(16px); }
.schritt .nr { width: 44px; height: 44px; border-radius: 14px; display: grid; place-items: center; font: 700 20px var(--display); color: #fff; background: var(--grad); box-shadow: var(--glow); margin-bottom: 16px; }
.schritt h3 { margin: 0 0 6px; font-size: 21px; letter-spacing: -.02em; }
.schritt p { margin: 0; color: var(--text-2); }

/* Filter */
.filterleiste { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin: -10px 0 24px; }
.filterleiste button { border: 1px solid var(--karte-rand); background: var(--karte); color: var(--text-2); font: 600 14px var(--display); padding: 8px 16px; border-radius: 999px; cursor: pointer; transition: all .2s; }
.filterleiste button:hover { color: var(--text); border-color: var(--akzent-3); }
.filterleiste button.aktiv { color: #fff; background: var(--text); border-color: transparent; }
:root[data-theme="dark"] .filterleiste button.aktiv { color: #071017; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .filterleiste button.aktiv { color: #071017; } }

/* Bento-Grid */
.bento { display: grid; grid-template-columns: repeat(12, 1fr); grid-auto-rows: 1fr; gap: 16px; }
.bento-karte {
  grid-column: span 4; display: flex; flex-direction: column; min-height: 300px; border-radius: 24px; text-decoration: none; color: var(--text);
  background: var(--karte); border: 1px solid var(--karte-rand); backdrop-filter: blur(16px);
  transition: transform .3s cubic-bezier(.2,.8,.2,1), box-shadow .3s, opacity .3s;
}
.bento-karte.breit { grid-column: span 8; }
.bento-karte.halb { grid-column: span 6; }
.bento-karte:hover { transform: translateY(-4px); box-shadow: 0 30px 60px -28px rgba(26,127,156,.55); }
.bento-karte.weg { display: none; }
.bento-vorschau { position: relative; flex: 1; min-height: 150px; margin: 10px 10px 0; border-radius: 18px; overflow: hidden;
  background: radial-gradient(120% 120% at 50% 0%, rgba(43,179,163,.10), transparent 60%), rgba(127,127,127,.05); border: 1px solid var(--karte-rand); }
.bento-vorschau svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.bento-text { padding: 16px 20px 18px; }
.bento-text .zeile1 { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; flex-wrap: wrap; }
.bento-text h3 { margin: 0; font-size: 21px; letter-spacing: -.02em; }
.bento-text p { margin: 4px 0 0; color: var(--text-2); font-size: 14.5px; }
.bento-meta { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 12px; align-items: center; }
.tag { font: 700 11.5px var(--display); letter-spacing: .02em; padding: 4px 9px; border-radius: 999px; background: rgba(127,127,127,.12); color: var(--text-2); }
.tag.ab { background: rgba(26,127,156,.14); color: var(--akzent); }
.tag.kat { background: rgba(109,93,252,.14); color: var(--akzent-4); }
.sterne { display: inline-flex; gap: 3px; margin-left: auto; }
.sterne i { width: 9px; height: 9px; border-radius: 50%; background: rgba(127,127,127,.25); }
.sterne i.an { background: var(--akzent-2); box-shadow: 0 0 8px var(--akzent-2); }
.pokal { font: 700 12px var(--display); color: var(--ok); background: var(--ok-bg); padding: 4px 9px; border-radius: 999px; }
.mehr-pfeil { margin-left: auto; width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: rgba(127,127,127,.12); transition: transform .25s, background .25s; }
.bento-karte:hover .mehr-pfeil { transform: rotate(-45deg); background: var(--akzent-3); color: #fff; }

/* Kennzahlen */
.zahlen { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.zahl-karte { text-align: center; padding: 28px 16px; border-radius: 22px; background: var(--karte); border: 1px solid var(--karte-rand); }
.zahl-karte b { display: block; font: 700 clamp(34px, 4.6vw, 52px) var(--display); letter-spacing: -.04em; line-height: 1; }
.zahl-karte span { color: var(--text-2); font-size: 14.5px; }

/* Abschluss-CTA */
.cta-band { margin: 56px 0 20px; padding: 46px 36px; border-radius: 30px; text-align: center; position: relative; overflow: hidden;
  background: radial-gradient(80% 140% at 50% 0%, rgba(43,179,163,.28), transparent 60%), var(--karte); border: 1px solid var(--karte-rand); }
.cta-band h2 { font-size: clamp(28px, 4vw, 44px); letter-spacing: -.035em; margin: 0 0 10px; }
.cta-band p { color: var(--text-2); margin: 0 0 24px; font-size: 17px; }
.cta-band .riesen-pi { position: absolute; right: -30px; bottom: -110px; font: 700 340px/1 Georgia, serif; opacity: .06; pointer-events: none; }

/* Mini-Vorschau-Animationen */
.vs-strich { stroke: var(--akzent); stroke-width: 3; fill: none; }
.vs-fuell { fill: rgba(43,179,163,.22); stroke: var(--akzent-3); stroke-width: 2.5; }
.vs-orange { stroke: var(--akzent-2); fill: none; stroke-width: 3; }
.vs-text { fill: var(--text); font: 700 18px var(--display); }
.vs-rollen { animation: vsRoll 5s cubic-bezier(.45,0,.55,1) infinite; }
@keyframes vsRoll { 0%,10% { transform: translateX(0) rotate(0); } 70%,100% { transform: translateX(188px) rotate(360deg); } }
.vs-spur { stroke-dasharray: 188; stroke-dashoffset: 188; animation: vsSpur 5s cubic-bezier(.45,0,.55,1) infinite; }
@keyframes vsSpur { 0%,10% { stroke-dashoffset: 188; } 70%,100% { stroke-dashoffset: 0; } }
.vs-dreh { transform-box: fill-box; transform-origin: center; animation: vsDreh 14s linear infinite; }
@keyframes vsDreh { to { transform: rotate(360deg); } }
.vs-puls { animation: vsPuls 2.4s ease-in-out infinite; }
@keyframes vsPuls { 50% { opacity: .35; } }
.vs-tropfen { animation: vsFall 2.2s linear infinite; }
@keyframes vsFall { from { transform: translateY(-40px); opacity: 0; } 20% { opacity: 1; } to { transform: translateY(60px); opacity: 0; } }
.vs-pop { transform-box: fill-box; transform-origin: center; animation: vsPop 3s ease-in-out infinite; }
@keyframes vsPop { 0%, 100% { transform: scale(.6); opacity: .3; } 50% { transform: scale(1); opacity: 1; } }
.vs-sektor { transform-box: view-box; animation: vsSektor 5s ease-in-out infinite alternate; }
.vs-ziffern { font: 600 15px ui-monospace, Menlo, monospace; fill: var(--text-2); }
.vs-lauf { animation: vsLauf 12s linear infinite; }
@keyframes vsLauf { to { transform: translateX(-50%); } }

/* =====================================================================
   Stationsrahmen
   ===================================================================== */
.station-kopf { border-radius: var(--radius-xl); padding: 22px 24px; background: var(--karte); border-color: var(--karte-rand); }
.station-titel h1 { font-size: clamp(28px, 4vw, 44px); letter-spacing: -.035em; }
.mission { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 16px; margin-bottom: 16px; }
.mission-karte { border-radius: 24px; padding: 20px 22px; background: var(--karte); border: 1px solid var(--karte-rand); backdrop-filter: blur(16px); }
.mission-karte .ueber { font: 700 12px var(--display); letter-spacing: .12em; text-transform: uppercase; color: var(--akzent-2); display: flex; align-items: center; gap: 8px; }
.mission-karte .ueber .zaehl { margin-left: auto; color: var(--text-2); letter-spacing: .02em; text-transform: none; }
.mission-karte p.auftrag { font: 600 clamp(17px, 1.7vw, 20px)/1.4 var(--display); margin: 8px 0 0; letter-spacing: -.01em; }
.challenges { list-style: none; margin: 10px 0 0; padding: 0; display: grid; gap: 8px; }
.challenges li { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 14px; background: rgba(127,127,127,.07); border: 1px solid transparent; font-size: 14.5px; transition: background .3s, border-color .3s; }
.challenges .haken { flex: none; width: 26px; height: 26px; border-radius: 9px; display: grid; place-items: center; border: 2px solid rgba(127,127,127,.35); font: 800 13px var(--display); color: var(--text-2); transition: all .35s cubic-bezier(.2,1.4,.4,1); }
.challenges li.geschafft { background: var(--ok-bg); border-color: rgba(31,157,99,.35); }
.challenges li.geschafft .haken { background: var(--ok); border-color: var(--ok); color: #fff; transform: rotate(-8deg) scale(1.08); box-shadow: 0 0 14px var(--ok); }
.challenges li.geschafft span.txt { text-decoration: line-through; text-decoration-color: rgba(31,157,99,.5); color: var(--text-2); }
.challenges li.frisch { animation: frisch 1s ease-out; }
@keyframes frisch { 0% { transform: scale(1); } 30% { transform: scale(1.03); } 100% { transform: scale(1); } }
.fortschritts-balken { height: 6px; border-radius: 999px; background: rgba(127,127,127,.15); margin-top: 12px; overflow: hidden; }
.fortschritts-balken div { height: 100%; background: var(--grad); border-radius: 999px; transition: width .6s cubic-bezier(.2,.8,.2,1); }
.fakt-karte { border-radius: 24px; padding: 20px 22px; background: linear-gradient(140deg, rgba(109,93,252,.14), rgba(43,179,163,.10)); border: 1px solid var(--karte-rand); position: relative; overflow: hidden; }
.fakt-karte .ueber { font: 700 12px var(--display); letter-spacing: .12em; text-transform: uppercase; color: var(--akzent-4); }
.fakt-karte p { margin: 8px 0 0; font-size: 15.5px; }
.fakt-karte .gross { position: absolute; right: -6px; bottom: -40px; font: 700 140px/1 Georgia, serif; opacity: .07; }
.fakt-karte .schritte-mini { margin-top: 14px; display: flex; gap: 8px; flex-wrap: wrap; }
.buehne, .steuerung, .station-unten { background: var(--karte); border-color: var(--karte-rand); border-radius: 24px; }

.station-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 22px 0 6px; }
.station-nav a { display: flex; flex-direction: column; gap: 4px; padding: 18px 22px; border-radius: 22px; text-decoration: none; color: var(--text);
  background: var(--karte); border: 1px solid var(--karte-rand); transition: transform .2s, border-color .2s; }
.station-nav a:hover { transform: translateY(-2px); border-color: var(--akzent-3); }
.station-nav small { color: var(--text-2); font-weight: 600; }
.station-nav b { font: 700 19px var(--display); letter-spacing: -.02em; }
.station-nav a.weiter { text-align: right; }

.fab-tipp {
  position: fixed; right: 22px; bottom: 22px; z-index: 20; display: inline-flex; align-items: center; gap: 8px; padding: 13px 18px 13px 14px;
  border-radius: 999px; text-decoration: none; color: #fff; font: 700 15px var(--display);
  background: linear-gradient(135deg, var(--akzent-2), #f4b04a); box-shadow: 0 14px 34px -10px rgba(224,122,53,.7); transition: transform .2s;
}
.fab-tipp:hover { transform: translateY(-3px) scale(1.03); }
.fab-tipp .glueh { width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; background: rgba(255,255,255,.25); }

/* Erfolgs-Toast */
.toast { position: fixed; left: 50%; top: 92px; transform: translate(-50%, -20px); z-index: 60; opacity: 0; pointer-events: none;
  display: flex; align-items: center; gap: 12px; padding: 12px 18px 12px 12px; border-radius: 18px; background: var(--karte); border: 1px solid rgba(31,157,99,.4);
  backdrop-filter: blur(18px); box-shadow: 0 20px 50px -18px rgba(0,0,0,.45); transition: all .45s cubic-bezier(.2,1.3,.4,1); font: 600 15px var(--display); }
.toast.an { opacity: 1; transform: translate(-50%, 0); }
.toast .icon { width: 36px; height: 36px; border-radius: 12px; display: grid; place-items: center; background: var(--ok); color: #fff; font-size: 18px; box-shadow: 0 0 18px var(--ok); }
.toast small { display: block; color: var(--text-2); font-weight: 500; font-size: 13px; }
#konfetti { position: fixed; inset: 0; pointer-events: none; z-index: 55; }

/* Tipps-Seite */
.tipp, .ab-kopf, .ab-tabs { background: var(--karte); border-color: var(--karte-rand); }
.ab-kopf h2 { font-size: 34px; letter-spacing: -.03em; }

/* ---------- Responsiv ---------- */
@media (max-width: 1000px) {
  .hero2 { grid-template-columns: 1fr; padding-top: 30px; min-height: 0; }
  .hero-buehne { max-width: 560px; width: 100%; margin: 0 auto; }
  .bento-karte, .bento-karte.breit, .bento-karte.halb { grid-column: span 6; }
  .mission { grid-template-columns: 1fr; }
  .zahlen { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 680px) {
  .bento-karte, .bento-karte.breit, .bento-karte.halb { grid-column: span 12; min-height: 260px; }
  .schritte3 { grid-template-columns: 1fr; }
  .station-nav { grid-template-columns: 1fr; }
  .schwebe { display: none; }
  .fab-tipp span.txt { display: none; }
  .fab-tipp { padding: 13px; }
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .aurora::after, .lichtkante::after, .grad-text, .ticker-band, .schwebe, [class^="vs-"], [class*=" vs-"] { animation: none !important; }
}
.bento { grid-auto-flow: dense; }
@keyframes vsSektor { from { stroke-dasharray: 12 200; } to { stroke-dasharray: 180 200; } }
@keyframes vsSektor2 { from { stroke-dasharray: 24 400; } to { stroke-dasharray: 360 400; } }
.vs-sektor { animation: vsSektor 4s ease-in-out infinite alternate; }
.vs-sektor2 { animation: vsSektor2 4s ease-in-out infinite alternate; }
.nav { margin-left: auto; }

/* ---------- Tipps-Seite ---------- */
.ab-kopf-fuss { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.ab-kopf-fuss .station-link { text-decoration: none; transition: transform .2s ease, box-shadow .2s ease; }
.ab-kopf-fuss .station-link:hover { transform: translateY(-2px); box-shadow: 0 6px 18px -8px var(--akzent); }
details.tipp { transition: transform .25s ease, box-shadow .25s ease; }
details.tipp:not([open]):hover { transform: translateY(-2px); }
details.tipp[open] { box-shadow: 0 18px 40px -24px var(--akzent), inset 0 0 0 1px color-mix(in srgb, var(--akzent) 40%, transparent); }
details.tipp[open] .inhalt { animation: tippAuf .35s ease both; }
@keyframes tippAuf { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { details.tipp[open] .inhalt { animation: none; } }

/* ---------- Lehrkraft-Bereich ---------- */
.foot a { color: inherit; opacity: .75; text-decoration: none; border-bottom: 1px dashed currentColor; }
.foot a:hover { opacity: 1; color: var(--akzent); }
.lk-login { max-width: 560px; margin: 40px auto; padding: 40px 36px; text-align: center; border-radius: 28px; }
.lk-login h1, .lk-kopf h1 { font-family: var(--display); font-size: clamp(28px, 4vw, 42px); letter-spacing: -.02em; margin: 6px 0 10px; }
.lk-login p { color: var(--text-2); margin: 0 0 22px; line-height: 1.55; }
.lk-login .zeile { justify-content: center; }
.lk-login .feld { max-width: 220px; text-align: center; letter-spacing: .2em; }
.lk-schloss { display: grid; place-items: center; width: 64px; height: 64px; margin: 0 auto 14px; font-size: 30px; border-radius: 20px;
  background: var(--grad); box-shadow: 0 16px 40px -16px var(--akzent); }
.lk-kopf { display: grid; grid-template-columns: 1.3fr 1fr; gap: 18px 32px; align-items: end; padding: 30px 32px; border-radius: 28px; margin-bottom: 22px; }
.lk-kopf p { color: var(--text-2); margin: 0; line-height: 1.55; }
.lk-neu { display: flex; gap: 10px; align-items: end; }
.lk-neu .feld-label { flex: 1; }
.lk-werkzeuge { grid-column: 1 / -1; display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.lk-kopf .meldung { grid-column: 1 / -1; margin: 0; }
.lk-raster { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 18px; margin-bottom: 22px; }
.lk-karte { padding: 22px; border-radius: 24px; display: flex; flex-direction: column; gap: 14px; transition: transform .25s ease, box-shadow .25s ease; }
.lk-karte:hover { transform: translateY(-3px); }
.lk-karte.neu { animation: rein .5s cubic-bezier(.2,.8,.2,1) forwards, lkNeu 1.8s ease .3s; }
@keyframes lkNeu { 0% { box-shadow: 0 0 0 0 var(--akzent); } 30% { box-shadow: 0 0 0 6px color-mix(in srgb, var(--akzent) 45%, transparent); } 100% { box-shadow: 0 0 0 0 transparent; } }
.lk-karte-kopf { display: flex; justify-content: space-between; align-items: start; gap: 10px; }
.lk-karte h3 { font-family: var(--display); font-size: 24px; margin: 2px 0 0; }
.lk-code { all: unset; cursor: pointer; font: 700 clamp(30px, 3.4vw, 40px)/1 var(--display); letter-spacing: .08em; text-align: center; padding: 16px 10px; border-radius: 16px;
  background: color-mix(in srgb, var(--akzent) 10%, transparent); border: 1px dashed color-mix(in srgb, var(--akzent) 50%, transparent);
  background-image: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; transition: transform .2s ease; }
.lk-code:hover { transform: scale(1.03); }
.lk-code:focus-visible { outline: 2px solid var(--akzent); outline-offset: 3px; }
.lk-meta { display: flex; justify-content: space-between; gap: 8px; flex-wrap: wrap; font-size: 12.5px; color: var(--text-2); }
.lk-aktionen { display: flex; flex-wrap: wrap; gap: 8px; }
.lk-aktionen .btn { text-decoration: none; }
.lk-leer { grid-column: 1 / -1; padding: 34px; border-radius: 24px; text-align: center; display: grid; gap: 6px; color: var(--text-2); }
.lk-leer b { color: var(--text); font-size: 18px; }
.lk-hilfe { padding: 24px 28px; border-radius: 24px; }
.lk-hilfe ol { margin: 8px 0 0; padding-left: 20px; display: grid; gap: 6px; line-height: 1.55; color: var(--text-2); }
.lk-hilfe b { color: var(--text); }
.lk-beamer { position: fixed; inset: 0; z-index: 1000; display: grid; place-items: center; padding: 24px;
  background: radial-gradient(circle at 30% 20%, color-mix(in srgb, var(--akzent) 30%, transparent), transparent 60%), rgba(4, 12, 20, .88);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); animation: lkAuf .3s ease both; overflow: auto; }
@keyframes lkAuf { from { opacity: 0; } to { opacity: 1; } }
.lk-beamer-inhalt { text-align: center; color: #fff; display: grid; justify-items: center; gap: 12px; max-width: 760px; }
.lk-beamer-inhalt .label { color: var(--akzent-2); }
.lk-login .label, .lk-kopf .label, .lk-karte .label, .lk-beamer-inhalt .label { font-size: 12px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--akzent-2); }
.lk-beamer-inhalt h2 { font-family: var(--display); font-size: clamp(30px, 5vw, 56px); margin: 0; }
.lk-beamer-inhalt p { margin: 4px 0 0; opacity: .85; font-size: clamp(15px, 1.8vw, 20px); }
.qr { display: block; border-radius: 14px; }
.qr.gross { width: min(58vh, 80vw); height: auto; box-shadow: 0 30px 80px -30px #000, 0 0 0 1px rgba(255,255,255,.15); }
.lk-beamer-code { font: 700 clamp(44px, 8vw, 96px)/1 var(--display); letter-spacing: .1em; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lk-druckbogen { display: none; }
@media (max-width: 760px) {
  .lk-kopf { grid-template-columns: 1fr; padding: 24px 20px; }
  .lk-neu { flex-direction: column; align-items: stretch; }
}
@media print {
  body > *:not(main), .aurora, #app > *:not(.lk-druckbogen) { display: none !important; }
  body { background: #fff !important; }
  .lk-druckbogen { display: grid !important; grid-template-columns: 1fr 1fr; gap: 8mm; }
  .lk-druckkarte { display: flex; gap: 5mm; align-items: center; border: 1px dashed #999; border-radius: 4mm; padding: 5mm; break-inside: avoid; color: #000; font-family: var(--display), sans-serif; }
  .lk-druckkarte .qr { width: 34mm; height: 34mm; flex: none; }
  .lk-druckkarte div { display: grid; gap: 1.5mm; }
  .lk-druckkarte b { font-size: 16pt; }
  .lk-druckkarte .code { font-size: 20pt; font-weight: 700; letter-spacing: .08em; }
  .lk-druckkarte small { font-size: 8pt; color: #444; }
}
.lk-kopf .meldung:empty { display: none; }