/* beyondclassroomai – Design-Tokens und Basis. Schriften lokal, keine externen Requests. */
@font-face{font-family:"Fraunces";src:url("../fonts/fraunces-latin-wght-normal.woff2") format("woff2");font-weight:100 900;font-style:normal;font-display:swap}
@font-face{font-family:"Inter";src:url("../fonts/inter-latin-wght-normal.woff2") format("woff2");font-weight:100 900;font-style:normal;font-display:swap}

:root{
  --bg:#FAF7F2;            /* Warmweiß */
  --bg-alt:#F1EBE0;        /* abgesetzte Sektionen */
  --ink:#14213D;           /* Tinte, 14.9:1 auf --bg */
  --muted:#5B6475;         /* Fließtext sekundär, 5.6:1 */
  --accent:#E8731A;        /* Orange, nur Flächen/Punkte/große Elemente (2.9:1 auf --bg) */
  --accent-ink:#B8520A;    /* Orange für Text/Links auf hellem Grund, 4.6:1 */
  --card:#FFFFFF;
  --line:#E3DBCB;
  --on-dark:#FAF7F2;
  --radius:14px;
  --shadow:0 1px 2px rgba(20,33,61,.06),0 8px 24px rgba(20,33,61,.07);
  --font-serif:"Fraunces",Georgia,"Times New Roman",serif;
  --font-sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --container:1120px;
  --gutter:clamp(1.25rem,4vw,2rem);
  --section-y:clamp(3.5rem,9vw,7rem);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:5rem;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 1.0625rem/1.65 var(--font-sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg,iframe,video{max-width:100%;display:block}
img{height:auto}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;line-height:1.15;margin:0 0 .6em;letter-spacing:-.01em;text-wrap:balance}
h1{font-size:clamp(2.4rem,6vw,4.25rem);letter-spacing:-.02em}
h2{font-size:clamp(1.8rem,4vw,2.75rem)}
h3{font-size:clamp(1.25rem,2.2vw,1.5rem)}
p{margin:0 0 1em;text-wrap:pretty}
ul,ol{margin:0 0 1em;padding-left:1.25em}
a{color:var(--accent-ink);text-underline-offset:.2em}
a:hover{color:var(--ink)}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:4px}
.skip-link{position:absolute;left:-999px;top:0;background:var(--ink);color:var(--on-dark);padding:.75rem 1rem;z-index:100}
.skip-link:focus{left:0}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* Layout */
.container{width:100%;max-width:calc(var(--container) + 2*var(--gutter));margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:var(--section-y)}
.section--alt{background:var(--bg-alt)}
.section--dark{background:var(--ink);color:var(--on-dark)}
.section--dark .eyebrow{color:#F2A265}
.section--dark p{color:#D9DEE8}
.lead{font-size:clamp(1.125rem,2vw,1.3rem);color:var(--muted);max-width:42rem}
.section--dark .lead{color:#D9DEE8}
.grid{display:grid;gap:clamp(1rem,2.5vw,1.75rem)}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr))}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr))}

/* Eyebrow mit Orange-Punkt */
.eyebrow{display:inline-flex;align-items:center;gap:.6rem;font:600 .8125rem/1 var(--font-sans);letter-spacing:.12em;text-transform:uppercase;color:var(--accent-ink);margin:0 0 1rem}
.eyebrow::before{content:"";width:.6rem;height:.6rem;border-radius:50%;background:var(--accent);flex:none}

/* Buttons (min. 44px Höhe) */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:3rem;padding:.8rem 1.6rem;border-radius:999px;border:2px solid transparent;font:600 1rem/1.2 var(--font-sans);text-decoration:none;cursor:pointer;transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease}
.btn--primary{background:var(--accent);color:var(--ink)}   /* 5.3:1 */
.btn--primary:hover{background:var(--ink);color:var(--on-dark)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn--ghost:hover{background:var(--ink);color:var(--on-dark)}
.section--dark .btn--ghost{color:var(--on-dark);border-color:var(--on-dark)}
.section--dark .btn--ghost:hover{background:var(--on-dark);color:var(--ink)}
.btn:active{transform:translateY(1px)}

/* Karten */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(1.25rem,3vw,2rem);box-shadow:var(--shadow)}
.card>:last-child{margin-bottom:0}

/* Reveal (Zustand wird von main.js gesetzt; ohne JS bleibt alles sichtbar) */
.js .reveal{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}
.js .reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;transition:none}
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
}

/* ===== Seitenkomponenten ===== */
.site-header{position:sticky;top:0;z-index:50;background:rgba(250,247,242,.94);backdrop-filter:saturate(1.2) blur(8px);border-bottom:1px solid var(--line)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:4.25rem}
.logo{font:600 1.35rem/1 var(--font-serif);color:var(--ink);text-decoration:none;letter-spacing:-.01em;display:inline-flex;align-items:baseline}
.logo:hover{color:var(--ink)}
.logo .dot{display:inline-block;width:.45em;height:.45em;border-radius:50%;background:var(--accent);margin-right:.35em;transform:translateY(-.05em)}
.nav-toggle{display:none;min-height:2.75rem;min-width:2.75rem;padding:.5rem .9rem;background:transparent;border:2px solid var(--ink);border-radius:999px;color:var(--ink);font:600 .95rem var(--font-sans);cursor:pointer}
.nav{display:flex;align-items:center;gap:1.5rem}
.nav ul{display:flex;gap:1.5rem;list-style:none;margin:0;padding:0}
.nav a:not(.btn){color:var(--ink);text-decoration:none;font-weight:500;font-size:.98rem}
.nav a:not(.btn):hover{color:var(--accent-ink);text-decoration:underline;text-underline-offset:.3em}
.nav .btn{min-height:2.75rem;padding:.55rem 1.2rem}
@media (max-width:900px){
  .nav-toggle{display:inline-flex;align-items:center}
  .nav{position:absolute;left:0;right:0;top:100%;background:var(--bg);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:1rem;padding:1.25rem var(--gutter) 1.5rem;box-shadow:var(--shadow)}
  .nav ul{flex-direction:column;gap:0}
  .nav ul a{display:block;padding:.85rem 0;border-bottom:1px solid var(--line)}
}
@media (max-width:900px){.js .nav{display:none}.js .nav.is-open{display:flex}}

/* Hero */
.hero{padding-block:clamp(2.5rem,7vw,5.5rem)}
.hero__grid{display:grid;gap:clamp(2rem,5vw,4rem);align-items:center;grid-template-columns:1fr}
@media (min-width:900px){.hero__grid{grid-template-columns:1.1fr .9fr}}
.hero .lead{margin-bottom:1.75rem}
.hero__img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%;aspect-ratio:16/10;object-fit:cover}
.btn-row{display:flex;flex-wrap:wrap;gap:.9rem}

/* Listen / Probleme */
.checklist{list-style:none;padding:0;margin:1.5rem 0 0;display:grid;gap:.9rem}
.checklist li{position:relative;padding-left:1.8rem}
.checklist li::before{content:"";position:absolute;left:0;top:.6em;width:.6rem;height:.6rem;border-radius:50%;background:var(--accent)}
.split{display:grid;gap:clamp(2rem,5vw,4rem);align-items:center;grid-template-columns:1fr}
@media (min-width:860px){.split{grid-template-columns:1fr 1fr}.split--photo{grid-template-columns:.8fr 1.2fr}}
.portrait{border-radius:var(--radius);box-shadow:var(--shadow);width:100%;max-width:26rem;aspect-ratio:4/5;object-fit:cover;background:var(--bg-alt)}
.num{font:600 .85rem/1 var(--font-sans);letter-spacing:.1em;color:var(--accent-ink);margin:0 0 .75rem}
.card h3{margin-bottom:.5em}

/* Belege */
.stat{text-align:left}
.stat__value{font:600 clamp(2.4rem,5vw,3.25rem)/1.05 var(--font-serif);color:var(--ink);margin:0 0 .35rem}
.stat__label{font-weight:600;margin:0 0 1rem}
.stat__cmp{display:grid;gap:.35rem;font-size:.95rem;color:var(--muted);border-top:1px solid var(--line);padding-top:.9rem;margin:0}
.stat__cmp strong{color:var(--ink)}
.demo{margin-top:clamp(2.5rem,6vw,4rem)}
.frame{position:relative;width:100%;aspect-ratio:16/10;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:var(--shadow)}
.frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
@media (max-width:640px){.frame{aspect-ratio:auto;height:calc(2*(100vw - 2*var(--gutter)) + 64px)}}
.demo__link{margin:.9rem 0 0;font-weight:600}
.example{padding:0;overflow:hidden;display:flex;flex-direction:column}
.example img{width:100%;aspect-ratio:16/10;object-fit:cover;border-bottom:1px solid var(--line)}
.example div{padding:1.25rem 1.5rem 1.5rem}
.example h3{font-size:1.15rem;margin-bottom:.3em}
.example p{color:var(--muted);font-size:.97rem;margin:0}
.subhead{margin-top:clamp(2.5rem,6vw,4rem)}

/* Ablauf */
.steps{list-style:none;padding:0;margin:2rem 0 0;display:grid;gap:1rem;counter-reset:s;grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr))}
.steps li{counter-increment:s;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem;position:relative}
.steps li::before{content:counter(s);display:grid;place-items:center;width:2.25rem;height:2.25rem;border-radius:50%;background:var(--accent);color:var(--ink);font:700 1rem var(--font-sans);margin-bottom:1rem}
.steps h3{font-size:1.2rem;margin-bottom:.4em}
.steps p{margin:0;color:var(--muted);font-size:.97rem}

/* Kontakt */
.contact{text-align:center}
.contact .lead{margin-inline:auto}
.contact .btn-row{justify-content:center;margin-top:1.75rem}
.contact__mail{margin-top:1.25rem;color:#D9DEE8}
.contact__mail a{color:#F2A265}
.contact__mail a:hover{color:#fff}
.section--dark :focus-visible{outline-color:#F2A265}

/* Footer */
.site-footer{padding-block:2rem;border-top:1px solid var(--line);font-size:.95rem;color:var(--muted)}
.site-footer .container{display:flex;flex-wrap:wrap;gap:1rem 2rem;justify-content:space-between;align-items:center}
.site-footer ul{display:flex;gap:1.5rem;list-style:none;margin:0;padding:0}
.site-footer a{color:var(--ink)}
.site-footer p{margin:0}

/* Erklärvideo */
.example .example-video{width:100%;height:auto;aspect-ratio:16/10;object-fit:contain;background:var(--ink);border-bottom:1px solid var(--line)}
/* Platzhalter (nicht mehr genutzt) */
.example .video-placeholder{display:flex;align-items:center;justify-content:center;aspect-ratio:16/10;padding:0;background:var(--ink);border-bottom:1px solid var(--line)}
.video-placeholder span{display:flex;align-items:center;justify-content:center;width:4rem;height:4rem;border-radius:50%;background:var(--accent);color:var(--ink);font-size:1.4rem;padding-left:.2rem}

/* Lösungs-Karten im Problem-Abschnitt */
.card--solution{border-top:3px solid var(--accent)}

/* Landingpage-Generator: Karte und Vorführung */
.example--tool{padding:0}
.example__open{all:unset;box-sizing:border-box;display:flex;flex-direction:column;width:100%;height:100%;cursor:pointer;border-radius:inherit}
.example__open:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.example--tool .example__body{display:block;padding:1.25rem 1.5rem 1.5rem}
.example__title{display:block;font:600 1.15rem/1.2 var(--font-serif);color:var(--ink);margin-bottom:.3em}
.example__sub{display:block;color:var(--muted);font-size:.97rem;line-height:1.55}
.example__open:hover .example__title{color:var(--accent-ink)}
.mini{display:flex;align-items:center;justify-content:center;aspect-ratio:16/10;background:var(--bg-alt);border-bottom:1px solid var(--line);padding:1.1rem;transition:background-color .2s ease}
.example__open:hover .mini{background:#EBE3D4}
.mini__win{display:flex;flex-direction:column;gap:.45rem;width:min(100%,15.5rem);background:var(--card);border:1px solid var(--line);border-radius:10px;padding:.55rem .7rem .7rem;box-shadow:var(--shadow);transition:transform .25s ease}
.example__open:hover .mini__win{transform:translateY(-3px)}
.mini__bar{display:flex;gap:.25rem}
.mini__bar i{width:.4rem;height:.4rem;border-radius:50%;background:var(--line)}
.mini__bar i:first-child{background:var(--accent)}
.mini__seg{display:flex;justify-content:center;gap:.15rem;font:600 .62rem/1 var(--font-sans);color:var(--muted)}
.mini__seg b{padding:.28rem .7rem;border:1px solid var(--line);border-radius:999px}
.mini__seg .is-on{background:var(--ink);border-color:var(--ink);color:var(--on-dark)}
.mini__drop{height:1.5rem;border:1.5px dashed var(--line);border-radius:6px;background:var(--bg)}
.mini__text{display:flex;flex-direction:column;gap:.25rem;padding:.1rem 0}
.mini__text u{display:block;height:.28rem;border-radius:3px;background:var(--line);text-decoration:none}
.mini__text u:nth-child(2){width:82%}.mini__text u:nth-child(3){width:55%}
.mini__btn{align-self:flex-start;background:var(--accent);color:var(--ink);font:600 .62rem/1 var(--font-sans);padding:.4rem .75rem;border-radius:999px}

.gen{width:min(42rem,calc(100% - 2rem));max-height:calc(100dvh - 2rem);margin:auto;padding:0;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);color:var(--ink);box-shadow:0 24px 80px rgba(20,33,61,.35);overflow:auto}
.gen::backdrop{background:rgba(20,33,61,.55)}
.gen__chrome{position:sticky;top:0;z-index:1;display:flex;align-items:center;gap:.9rem;padding:.8rem 1rem;background:var(--bg-alt);border-bottom:1px solid var(--line)}
.gen__dots{display:flex;gap:.35rem}
.gen__dots i{width:.65rem;height:.65rem;border-radius:50%;background:var(--line)}
.gen__dots i:first-child{background:var(--accent)}
.gen__title{flex:1;margin:0;font:600 1rem/1.2 var(--font-sans);letter-spacing:0}
.gen__close{all:unset;box-sizing:border-box;width:2.5rem;height:2.5rem;display:flex;align-items:center;justify-content:center;border-radius:50%;font-size:1.6rem;line-height:1;cursor:pointer}
.gen__close:hover{background:var(--line)}
.gen__close:focus-visible{outline:3px solid var(--accent)}
.gen__body{padding:clamp(1.1rem,3vw,1.75rem)}
.gen__note{font-size:.93rem;color:var(--muted);background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:.7rem .9rem;margin-bottom:1.4rem}
.gen__field{border:0;margin:0 0 1.4rem;padding:0;min-width:0}
.gen__field legend,.gen__label{display:block;padding:0;margin-bottom:.55rem;font:600 .95rem/1.3 var(--font-sans)}
.gen__field legend small{font-weight:400;color:var(--muted)}
.seg,.chips{display:flex;flex-wrap:wrap;gap:.5rem}
.seg input,.chips input{position:absolute;opacity:0;pointer-events:none}
.seg span,.chips span{display:inline-flex;align-items:center;min-height:2.75rem;padding:.45rem 1.15rem;border:1.5px solid var(--line);border-radius:999px;font-weight:600;font-size:.97rem;cursor:pointer;background:var(--card);transition:background-color .15s ease,color .15s ease,border-color .15s ease}
.seg span:hover,.chips span:hover{border-color:var(--ink)}
.seg input:checked+span,.chips input:checked+span{background:var(--ink);border-color:var(--ink);color:var(--on-dark)}
.seg input:focus-visible+span,.chips input:focus-visible+span{outline:3px solid var(--accent);outline-offset:2px}
.gen__hint{margin:.5rem 0 0;font-size:.88rem;color:var(--muted)}
.drop{margin:.75rem 0 0;padding:1.1rem 1rem;text-align:center;border:2px dashed var(--line);border-radius:10px;background:var(--bg);color:var(--muted);font-size:.95rem}
.drop.has-source{border-style:solid;border-color:var(--accent);color:var(--ink)}
.gen textarea{display:block;width:100%;font:400 1rem/1.55 var(--font-sans);color:var(--ink);padding:.8rem 1rem;border:1.5px solid var(--line);border-radius:10px;background:var(--card);resize:vertical;min-height:6rem}
.gen textarea:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-color:var(--ink)}
.gen__actions{display:flex;flex-wrap:wrap;align-items:center;gap:1rem}
.gen__actions .btn[disabled]{opacity:.6;cursor:progress}
.gen__status{margin:0;color:var(--muted);font-size:.95rem}
.gen__result{margin:1.6rem 0 0}
.gen__result img{width:100%;border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow)}
.gen__result figcaption{margin-top:.6rem;font-size:.9rem;color:var(--muted)}
.gen__result:not([hidden]){animation:genIn .5s ease both}
@keyframes genIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.gen__result:not([hidden]){animation:none}.mini__win,.example__open:hover .mini__win{transition:none;transform:none}}

/* Beispielkarte als Link (Q1): Bild statt Mini-Vorschau */
.example--tool a.example__open img{width:100%;aspect-ratio:16/10;object-fit:cover;border-bottom:1px solid var(--line);transition:opacity .2s ease}
.example--tool a.example__open:hover img{opacity:.92}

/* Rückruf-Formular (nutzt die Fenster-Optik des Generators) */
.cb input[type=text],.cb input[type=tel],.cb input[type=email]{display:block;width:100%;min-height:3rem;font:400 1rem/1.4 var(--font-sans);color:var(--ink);padding:.7rem 1rem;border:1.5px solid var(--line);border-radius:10px;background:var(--card)}
.cb input:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-color:var(--ink)}
.cb .hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.cb__consent{display:flex;gap:.75rem;align-items:flex-start;margin:0 0 1.4rem;font-size:.92rem;line-height:1.5;color:var(--muted)}
.cb__consent input{flex:none;width:1.25rem;height:1.25rem;margin-top:.15rem;accent-color:var(--ink)}
.cb__consent a{color:var(--accent-ink)}
.cb__done{text-align:center;padding:1rem 0 .5rem}
.cb__done h3{margin-bottom:.4em}
.gen__status.is-error{color:#B23B2E}

/* Hinweis unter den Hero-Buttons */
.hero__note{margin:1rem 0 0;font-size:.95rem;color:var(--muted)}

/* Was die KI bei einem Beispiel übernommen hat */
.example__ki{display:block;margin-top:.75rem;padding-top:.75rem;border-top:1px solid var(--line);font-size:.92rem;line-height:1.5;color:var(--ink)}
.example p.example__ki{color:var(--ink);font-size:.92rem;margin-top:.75rem}
.example__ki strong{color:var(--accent-ink)}

/* Formate: 1, 2 oder 4 Spalten, nie 3 + 1 */
.grid--4{grid-template-columns:1fr}
@media (min-width:600px){.grid--4{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1000px){.grid--4{grid-template-columns:repeat(4,1fr)}}
.grid--4 .card h3{font-size:1.2rem}
.grid--4 .card p{color:var(--muted);font-size:.97rem}
.facts{margin-top:1.75rem;max-width:46rem}

/* Anfrage zwischendurch */
.cta-inline{margin-top:clamp(2.5rem,6vw,4rem);display:flex;flex-wrap:wrap;align-items:center;gap:1rem 1.5rem}
.cta-inline p{margin:0;font:600 clamp(1.1rem,2vw,1.3rem)/1.3 var(--font-serif);color:var(--ink)}

/* Fester Anfrage-Button auf dem Handy: erscheint nach dem Hero, verschwindet im Kontaktbereich */
.mobile-cta{display:none}
@media (max-width:900px){
  .mobile-cta{display:flex;position:fixed;left:var(--gutter);right:var(--gutter);bottom:calc(.9rem + env(safe-area-inset-bottom));z-index:40;box-shadow:0 10px 28px rgba(20,33,61,.28);transform:translateY(calc(100% + 1.5rem));visibility:hidden;transition:transform .3s ease,visibility .3s}
  .mobile-cta.is-shown{transform:none;visibility:visible}
}

/* Navigation: keine Zeilenumbrüche, etwas enger auf mittleren Bildschirmen */
.nav a,.nav .btn{white-space:nowrap}
@media (min-width:901px) and (max-width:1100px){.nav,.nav ul{gap:1.15rem}}

/* Eigene Prüfung bei den Beispielen, als eigener, gut sichtbarer Satz */
.example__check{display:block;margin-top:.6rem;font-weight:600;font-size:.95rem;color:var(--ink)}
.example p.example__check{color:var(--ink);font-size:.95rem;margin-top:.6rem}
.example__check::before{content:"✓";color:var(--accent-ink);margin-right:.45rem;font-weight:700}

/* Brückensatz am Ende des Problem-Abschnitts */
.bridge{margin-top:2.25rem;color:var(--ink);font-weight:500}

/* Ablauf-Schritte: 1, 2 oder 4 Spalten, nie 3 + 1 */
.steps{grid-template-columns:1fr}
@media (min-width:600px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1000px){.steps{grid-template-columns:repeat(4,1fr)}}

/* Hero: drei überlappende Karten aus echtem Material (Lernseite, Generator, Kachel) */
.hero__visual{position:relative;width:100%;aspect-ratio:5/4;max-width:36rem;justify-self:center}
.hv{position:absolute;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--card);box-shadow:0 14px 36px rgba(20,33,61,.16)}
.hv img{display:block;width:100%;height:100%;object-fit:cover}
.hv--page{top:2%;left:0;width:80%;aspect-ratio:16/10;transform:rotate(-1.5deg)}
.hv--tile{right:0;bottom:4%;width:40%;aspect-ratio:1;border-color:#26363f;transform:rotate(2.5deg)}
.hv--tool{left:7%;bottom:0;width:50%;padding:clamp(.6rem,2vw,1rem);background:var(--bg-alt);transform:rotate(-.5deg)}
.hv--tool .mini__win{width:100%}