/* Merksatz - Startseite im neuen Look. Quelle: Entwurf 09/2026 */
/* Hero */
.hero { background: var(--chalk); color: var(--chalk-ink); background-image: radial-gradient(60% 80% at 15% 20%, color-mix(in srgb, var(--chalk-2) 90%, transparent), transparent 70%), radial-gradient(40% 50% at 90% 90%, color-mix(in srgb, var(--chalk-2) 70%, transparent), transparent 70%); }
.hero .wrap { display: grid; grid-template-columns: 1.08fr .92fr; gap: 56px; align-items: center; padding-block: 72px; }
.hero h1 { font-size: clamp(2.5rem, 5.4vw, 4.3rem); }
.hero h1 em { font-style: normal; background: linear-gradient(transparent 68%, color-mix(in srgb, var(--sun) 85%, transparent) 68% 90%, transparent 90%); padding-inline: .05em; }
.hero .sub { margin-top: 22px; font-size: 1.15rem; max-width: 46ch; color: color-mix(in srgb, var(--chalk-ink) 88%, transparent); }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.assure { display: flex; align-items: center; gap: 10px; margin-top: 20px; font-size: .95rem; color: color-mix(in srgb, var(--chalk-ink) 82%, transparent); }
.assure svg { width: 20px; height: 20px; flex: none; }
@media (max-width: 900px) { .hero .wrap { grid-template-columns: 1fr; gap: 40px; padding-block: 48px; } }

/* Lernkärtchen */
.deck { position: relative; max-width: 440px; width: 100%; justify-self: center; }
.cardwrap { position: relative; }
.cardwrap::before { content: ""; position: absolute; inset: 14px -10px -12px 12px; background: var(--note); opacity: .5; border-radius: 10px; transform: rotate(3deg); }
.card { position: relative; background: var(--note); color: var(--note-ink); border-radius: 10px; padding: 26px 26px 22px; box-shadow: 0 18px 40px rgb(0 0 0 / .32); transform: rotate(-1.4deg); }
.tag { display: inline-block; font: 700 .72rem/1 "Nunito Sans", sans-serif; letter-spacing: .1em; text-transform: uppercase; padding: 5px 8px; border-radius: 4px; background: #EEF2E8; color: #48555A; }
.card .from { margin-top: 12px; font-size: .84rem; color: #48555A; }
.card .q { font: 700 1.55rem/1.2 "Josefin Sans", sans-serif; margin-top: 6px; min-height: 3.6em; }
.card .a { margin-top: 16px; padding: 14px 16px; border-radius: 8px; background: #FFF3BF; font-weight: 600; }
.card .hand { font: 600 1.35rem/1.1 Caveat, cursive; color: #8A5A00; display: block; margin-bottom: 4px; }
.flip { margin-top: 18px; width: 100%; background: var(--note-ink); color: #fff; border: 0; border-radius: 6px; padding: 13px; font: 700 1rem/1 "Nunito Sans", sans-serif; cursor: pointer; }
.flip:hover { filter: brightness(1.2); }
.stacks { position: relative; margin-top: 44px; }
.stacks .cap { display: flex; justify-content: space-between; align-items: baseline; font-size: .85rem; margin-bottom: 10px; color: color-mix(in srgb, var(--chalk-ink) 80%, transparent); }
.bars { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; align-items: end; height: 96px; }
.bar { display: flex; flex-direction: column; justify-content: flex-end; align-items: center; gap: 6px; height: 100%; font-size: .78rem; font-variant-numeric: tabular-nums; }
.bar i { display: block; width: 100%; border-radius: 4px 4px 0 0; background: var(--sun); }
.bar:nth-child(1) i { opacity: .38; } .bar:nth-child(2) i { opacity: .55; } .bar:nth-child(3) i { opacity: .72; } .bar:nth-child(4) i { opacity: .88; }
.bar:last-child { font-weight: 700; }

/* Zahlen */
.facts { background: var(--paper-2); border-block: 1px solid var(--line); }
.facts .wrap { display: grid; grid-template-columns: repeat(7, 1fr); gap: 0; }
.fact { padding: 26px 12px; border-left: 1px solid var(--line); }
.fact:first-child { border-left: 0; padding-left: 0; }
.fact b { display: block; font: 700 2rem/1 "Josefin Sans", sans-serif; font-variant-numeric: tabular-nums; }
.fact span { font-size: .92rem; color: var(--ink-2); }
@media (max-width: 1060px) { .facts .wrap { grid-template-columns: repeat(4, 1fr); } .fact { border-left: 0; padding: 18px 12px 18px 0; border-top: 1px solid var(--line); } .fact:nth-child(-n+4) { border-top: 0; } }
@media (max-width: 820px) { .facts .wrap { grid-template-columns: repeat(2, 1fr); } .fact:nth-child(n+3) { border-top: 1px solid var(--line); } .fact:nth-child(-n+2) { border-top: 0; } }

/* Eltern */
.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 64px; align-items: start; }
.split .lead { margin-top: 18px; }
.reasons { display: grid; gap: 26px; }
.reason { display: grid; grid-template-columns: 48px 1fr; gap: 16px; align-items: start; }
.reason .ico { width: 48px; height: 48px; border-radius: 10px; background: var(--sun); color: var(--sun-ink); display: grid; place-items: center; }
.reason .ico svg { width: 26px; height: 26px; }
.reason h3 { margin-bottom: 4px; }
.reason p { color: var(--ink-2); }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; gap: 36px; } }

/* Ablauf */
.flow { background: var(--paper-2); border-block: 1px solid var(--line); }
.stepwrap { position: relative; margin-top: 44px; }
.track, .prog { position: absolute; top: -2px; height: 3px; border-radius: 2px; display: block; }
.track { background: var(--line); }
.prog { background: var(--ink); color: var(--ink); width: 0; }
.prog svg { position: absolute; right: -10px; top: 50%; margin-top: -12px; width: 24px; height: 24px; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; counter-reset: s; }
.steps li { position: relative; padding-top: 26px; counter-increment: s; }
.steps li::before { z-index: 1; }
.steps li.hit::before { animation: pop .5s ease; }
@keyframes pop { 0% { transform: scale(1); } 40% { transform: scale(1.28); } 100% { transform: scale(1); } }
.steps li::before { content: counter(s); position: absolute; top: -17px; left: 0; width: 32px; height: 32px; border-radius: 50%; background: var(--ink); color: var(--paper); display: grid; place-items: center; font: 700 1rem/1 "Josefin Sans", sans-serif; }
.steps h3 { margin-bottom: 6px; }
.steps p { color: var(--ink-2); font-size: .98rem; }
.chalk-note { margin-top: 44px; font: 600 1.7rem/1.2 Caveat, cursive; color: var(--ink-2); max-width: 44ch; }
@media (max-width: 900px) { .steps { grid-template-columns: 1fr 1fr; } .steps li { border-top: 3px solid var(--ink); } .track, .prog { display: none; } }
@media (prefers-reduced-motion: reduce) { .steps li.hit::before { animation: none; } }
@media (max-width: 520px) { .steps { grid-template-columns: 1fr; } }

/* Fächer / Hefte */
.subject { margin-top: 44px; }
.subject h3 { display: flex; align-items: center; gap: 12px; font-size: 1.6rem; margin-bottom: 18px; }
.subject h3::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.books { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.book { border: 0; font: inherit; text-align: left; cursor: pointer; width: 100%; position: relative; display: flex; flex-direction: column; justify-content: space-between; aspect-ratio: 3 / 3.6; max-width: 100%; padding: 18px 16px 16px 30px; border-radius: 4px 10px 10px 4px; color: var(--on, #fff); text-decoration: none; background: var(--c); box-shadow: 0 6px 16px rgb(0 0 0 / .16); transition: transform .18s ease, box-shadow .18s ease; overflow: hidden; }
.book::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 16px; background: linear-gradient(90deg, rgb(0 0 0 / .32), rgb(0 0 0 / .08)); }
.book::after { content: ""; position: absolute; left: 22px; inset-block: 0; width: 1px; background: rgb(255 255 255 / .28); }
.book { transform-origin: left center; }
.book:hover { transform: perspective(800px) rotateY(-13deg) translateY(-3px); box-shadow: 14px 14px 26px rgb(0 0 0 / .24); }
.book .by { font: 600 1.15rem/1 Caveat, cursive; opacity: .9; }
.book .t { font: 700 1.55rem/1.05 "Josefin Sans", sans-serif; }
.book .g { display: block; font: 600 .95rem/1.3 "Nunito Sans", sans-serif; margin-top: 6px; opacity: .92; }
.book .go { font: 700 .82rem/1 "Nunito Sans", sans-serif; letter-spacing: .06em; text-transform: uppercase; }
.book.f1 { --c: var(--f1); --on: #fff; } .book.f2 { --c: var(--f2); --on: #fff; } .book.f3 { --c: var(--f3); --on: #1B2226; }
@media (max-width: 760px) { .books { grid-template-columns: repeat(2, 1fr); } }

/* Preise */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 44px; align-items: stretch; }
.plan { position: relative; background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 30px 26px; display: flex; flex-direction: column; gap: 18px; }
.plan.best { border: 3px solid var(--sun); padding: 28px 24px; box-shadow: 0 14px 34px rgb(0 0 0 / .12); }
.plan .badge { position: absolute; top: -14px; right: 20px; background: var(--sun); color: var(--sun-ink); font: 700 .75rem/1 "Nunito Sans", sans-serif; letter-spacing: .1em; text-transform: uppercase; padding: 7px 10px; border-radius: 4px; }
.plan .price { font: 700 3.3rem/1 "Josefin Sans", sans-serif; font-variant-numeric: tabular-nums; }
.plan .price small { font-size: 1.4rem; margin-right: 4px; }
.plan .per { color: var(--ink-2); font-size: .95rem; margin-top: 4px; }
.plan ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; font-size: .97rem; }
.plan li { display: grid; grid-template-columns: 22px 1fr; gap: 8px; }
.plan li svg { width: 20px; height: 20px; margin-top: 2px; color: var(--ok); }
:root[data-theme="dark"] .plan li svg { color: #58B98B; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .plan li svg { color: #58B98B; } }
.plan .btn { margin-top: auto; }
.promise { display: flex; align-items: center; gap: 12px; margin-top: 26px; padding: 16px 18px; border-radius: 8px; background: var(--card); border: 1px solid var(--line); font-weight: 600; }
.promise svg { width: 26px; height: 26px; flex: none; color: var(--ok); }
:root[data-theme="dark"] .promise svg { color: #58B98B; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .promise svg { color: #58B98B; } }
@media (max-width: 900px) { .plans { grid-template-columns: 1fr; max-width: 460px; } }

/* Vertrauen (Platzhalter) */
.trust { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 40px; align-items: start; }
.ph { border: 2px dashed var(--line); border-radius: 10px; padding: 28px; display: grid; gap: 10px; align-content: start; }
.ph .tag { background: var(--paper-2); color: var(--ink-2); justify-self: start; }
.ph h3 { font-size: 1.25rem; }
.ph p { color: var(--ink-2); font-size: .97rem; }
@media (max-width: 760px) { .trust { grid-template-columns: 1fr; } }

.about { margin: 0; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: var(--card); }
.about img { display: block; width: 100%; height: auto; aspect-ratio: 550 / 435; object-fit: cover; }
.about figcaption { padding: 22px 24px 24px; }
.about h3 { font-size: 1.45rem; }
.about .role { margin-top: 4px; color: var(--ink-2); }
.about .ph2 { margin-top: 14px; padding: 12px 14px; border: 2px dashed var(--line); border-radius: 8px; color: var(--ink-2); font-size: .95rem; }
.about .ph2 .tag { margin-right: 6px; }

/* FAQ */
.faq { max-width: 760px; margin-top: 36px; }
.faq details { border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; padding: 20px 4px; font: 700 1.15rem/1.3 "Josefin Sans", sans-serif; display: flex; justify-content: space-between; gap: 16px; align-items: center; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.6rem; line-height: 1; color: var(--ink-2); flex: none; }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { padding: 0 4px 22px; color: var(--ink-2); max-width: 62ch; }

/* Heft aufschlagen */
.bd { padding: 0; border: 0; background: transparent; max-width: none; width: min(920px, 94vw); overflow: visible; color: var(--ink); }
.bd::backdrop { background: rgb(9 15 12 / .76); }
.bdx { display: block; margin: 0 0 12px auto; background: transparent; border: 2px solid rgb(255 255 255 / .55); color: #fff; border-radius: 6px; padding: 8px 14px; font: 700 .92rem/1 "Nunito Sans", sans-serif; cursor: pointer; }
.bdx:hover { border-color: #fff; }
.stage { perspective: 2200px; height: min(560px, 80vh); }
.spread { position: relative; height: 100%; display: grid; grid-template-columns: 1fr 1fr; transform: translateX(-25%); transition: transform .9s cubic-bezier(.3, .7, .2, 1); transform-style: preserve-3d; }
.spread.opened { transform: translateX(0); }
.rp { grid-column: 2; background: var(--card); border: 1px solid var(--line); border-radius: 2px 10px 10px 2px; padding: 28px 28px 24px 34px; overflow: auto; display: flex; flex-direction: column; gap: 14px; box-shadow: 0 24px 50px rgb(0 0 0 / .4); }
.rp-head { display: none; font: 700 1.2rem/1.2 "Josefin Sans", sans-serif; }
.toc { list-style: none; margin: 0; padding: 0; columns: 2; column-gap: 24px; font-size: .95rem; }
.toc li { break-inside: avoid; padding: 6px 0 6px 16px; border-bottom: 1px solid var(--line); position: relative; }
.toc li::before { content: ""; position: absolute; left: 0; top: 1.05em; width: 7px; height: 7px; border-radius: 50%; background: var(--c); }
.rp .btn { margin-top: auto; align-self: flex-start; }
.cv { position: absolute; top: 0; right: 0; width: 50%; height: 100%; transform-origin: left center; transform-style: preserve-3d; transition: transform .9s cubic-bezier(.3, .7, .2, 1); }
.spread.opened .cv { transform: rotateY(-180deg); }
.cv > div { position: absolute; inset: 0; backface-visibility: hidden; -webkit-backface-visibility: hidden; }
.cv .front { background: var(--c); color: var(--on, #fff); border-radius: 4px 10px 10px 4px; padding: 30px 26px 26px 46px; display: flex; flex-direction: column; justify-content: space-between; box-shadow: 0 24px 50px rgb(0 0 0 / .4); overflow: hidden; }
.cv .front::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 20px; background: linear-gradient(90deg, rgb(0 0 0 / .34), rgb(0 0 0 / .08)); }
.cv .front .by { font: 600 1.4rem/1 Caveat, cursive; opacity: .92; }
.cv .front .t { font: 700 2.4rem/1.05 "Josefin Sans", sans-serif; }
.cv .front .t small { display: block; font: 600 1.05rem/1.3 "Nunito Sans", sans-serif; margin-top: 8px; opacity: .92; }
.cv .back { transform: rotateY(180deg); background: color-mix(in srgb, var(--c) 14%, var(--card)); border: 1px solid var(--line); border-radius: 10px 2px 2px 10px; padding: 34px 30px; display: flex; flex-direction: column; justify-content: center; gap: 10px; color: var(--ink); box-shadow: 0 24px 50px rgb(0 0 0 / .4); }
.cv .back .by { font: 600 1.35rem/1 Caveat, cursive; color: var(--ink-2); }
.cv .back h3 { font-size: 2.3rem; color: var(--cink, var(--c)); }
:root[data-theme="dark"] .cv .back h3 { filter: brightness(1.6); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .cv .back h3 { filter: brightness(1.6); } }
.cv .back .g { font-weight: 700; font-size: 1.15rem; }
.cv .back p { color: var(--ink-2); font-size: .97rem; }
@media (max-width: 700px) {
  .stage { overflow: hidden; }
  .spread, .spread.opened { transform: none; grid-template-columns: 1fr; }
  .rp { grid-column: 1; border-radius: 6px; padding: 22px 20px; }
  .rp-head { display: block; }
  .toc { columns: 1; }
  .cv { width: 100%; }
  .spread.opened .cv { transform: rotateY(-100deg); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) { .spread, .cv { transition: none; } }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .book { transition: none; } }

/* Startseite im Betrieb */
.trust { grid-template-columns: minmax(0, 560px); }
.hello { background: var(--chalk); color: var(--chalk-ink); background-image: radial-gradient(60% 90% at 12% 10%, var(--chalk-2), transparent 70%); }
.hello .wrap { padding-block: 40px 44px; }
.hello h1 { font-size: clamp(2rem, 4vw, 2.9rem); }
.hello p { margin-top: 10px; color: color-mix(in srgb, var(--chalk-ink) 88%, transparent); max-width: 58ch; }
.hcard { display: flex; flex-direction: column; gap: 12px; }
.hp { display: grid; gap: 6px; font-size: .9rem; color: var(--ink-2); }
.hp-bar { height: 10px; border-radius: 6px; background: color-mix(in srgb, var(--ink) 10%, transparent); overflow: hidden; }
.hp-bar i { display: block; height: 100%; border-radius: 6px; background: var(--ok); }
.hacts { display: flex; flex-wrap: wrap; gap: 8px; }
.hacts a { font-size: .9rem; padding: 9px 12px; border-radius: 6px; border: 2px solid var(--ink); text-decoration: none; font-weight: 700; color: var(--ink); }
.hacts a:hover { background: var(--ink); color: var(--paper); }
.hacts a.first { background: var(--sun); border-color: var(--sun); color: var(--sun-ink); }
.hacts a.first:hover { filter: brightness(1.06); background: var(--sun); color: var(--sun-ink); }
.hcard .done { font-weight: 700; color: var(--ok); font-size: .9rem; }
.promise strong { display: block; }
.plan button.btn { width: 100%; }

/* Heft aufschlagen: Kapitel mit Lektionen */
.toc.kap { columns: 1; }
.toc.kap > li { padding: 10px 0 8px 16px; }
.toc.kap > li > b { display: block; font: 700 1.02rem/1.3 "Josefin Sans", sans-serif; }
.toc.kap ul { list-style: none; margin: 6px 0 2px; padding: 0; }
.toc.kap ul li { padding: 3px 0; border: 0; font-size: .92rem; }
.toc.kap ul li::before { display: none; }
.toc.kap ul a { text-decoration: none; color: var(--ink-2); }
.toc.kap ul a:hover { color: var(--ink); text-decoration: underline; }
.rp { min-height: 0; }

/* Heft aufschlagen: Bullet-Liste der Lektionen, sichtbarer Scrollbalken */
.toc.kap ul { list-style: disc; padding-left: 1.25em; }
.toc.kap ul li::marker { color: var(--c); }
.rp { overflow-y: scroll; scrollbar-width: thin; scrollbar-color: var(--c) color-mix(in srgb, var(--ink) 8%, transparent); }
.rp::-webkit-scrollbar { width: 10px; }
.rp::-webkit-scrollbar-track { background: color-mix(in srgb, var(--ink) 8%, transparent); border-radius: 6px; }
.rp::-webkit-scrollbar-thumb { background: var(--c); border-radius: 6px; }
#bdText { max-height: 11em; overflow-y: auto; scrollbar-width: thin; white-space: pre-line; }
/* Knopf "Zur Uebersicht" oben, damit er bei langer Liste nicht unten versteckt ist */
.rp .btn { order: 0; margin-top: 0; }
.rp .toc { order: 1; }
/* Heft-Karten (Kunde): Knoepfe untereinander, alle gleich breit und hoch */
.hacts { display: grid; grid-template-columns: 1fr; gap: 8px; }
.hacts a { display: flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 14px; text-align: center; }