/* MarcIt Design. Akzentfarbe zentral unter :root (--accent) anpassen. */
@font-face{font-family:"Inter";font-style:normal;font-display:swap;font-weight:100 900;src:url(../fonts/inter-latin-ext-wght-normal.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Inter";font-style:normal;font-display:swap;font-weight:100 900;src:url(../fonts/inter-latin-wght-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Instrument Serif";font-style:italic;font-display:swap;font-weight:400;src:url(../fonts/instrument-serif-latin-ext-400-italic.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Instrument Serif";font-style:italic;font-display:swap;font-weight:400;src:url(../fonts/instrument-serif-latin-400-italic.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

:root{
  color-scheme:dark;
  --bg:#0B0B0D;
  --surface:#121215;
  --surface-2:#17171B;
  --line:#26262C;
  --line-soft:#1C1C21;
  --text:#F5F5F4;
  --muted:#9C9CA3;
  --faint:#6E6E76;

  /* Akzent: Electric Blue. --accent-strong ist der etwas dunklere Button-Ton (besser lesbar) */
  --accent:#4D7CFF;
  --accent-rgb:77,124,255;
  --accent-strong:#3A66F5;
  --on-accent:#FFFFFF;

  --sans:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  --serif:"Instrument Serif",Georgia,serif;
  --mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;min-height:100vh;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;display:flex;flex-direction:column}
main{flex:1}
a{color:var(--text)}
a:hover{color:var(--accent)}
::selection{background:rgba(var(--accent-rgb),.35)}

/* Warmes Licht von oben, leicht versetzt */
.glow{position:absolute;inset:0 0 auto 0;height:760px;pointer-events:none;overflow:hidden;z-index:0}
.glow::before{content:"";position:absolute;left:54%;top:-220px;width:1100px;height:780px;transform:translateX(-50%);background:radial-gradient(closest-side,rgba(var(--accent-rgb),.22),rgba(var(--accent-rgb),.07) 55%,rgba(var(--accent-rgb),0) 100%)}

.wrap{position:relative;z-index:1;max-width:1120px;margin:0 auto;padding:0 20px}

/* Logo */
.top{position:relative;z-index:1;text-align:center;padding:26px 20px 0}
.logo{font-weight:800;font-size:24px;letter-spacing:-.03em;color:var(--text);text-decoration:none}
.logo span{color:var(--accent)}
.logo:hover{color:var(--text)}

/* Hero */
.hero{text-align:center;padding:96px 0 0;max-width:1100px;margin:0 auto}
.badge{display:inline-block;font-size:12.5px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);border:1px solid rgba(var(--accent-rgb),.6);background:rgba(var(--accent-rgb),.06);padding:8px 18px;border-radius:999px}
h1{margin:26px 0 0;font-weight:800;font-size:clamp(38px,5.2vw,74px);line-height:1.02;letter-spacing:-.045em}
h1 .serif{display:block;font-family:var(--serif);font-style:italic;font-weight:400;letter-spacing:-.01em;color:var(--accent);font-size:1.12em;line-height:1.05;margin-top:.04em}
.nb{white-space:nowrap}
.lead{margin:24px auto 0;max-width:560px;font-size:clamp(17px,2.2vw,20px);color:var(--muted);line-height:1.55}

/* Formular */
.form-wrap{margin:40px auto 0;max-width:620px}
.pill{display:flex;align-items:center;gap:8px;padding:7px;background:rgba(18,18,21,.85);border:1px solid var(--line);border-radius:999px;transition:border-color .2s,box-shadow .2s}
.pill:focus-within{border-color:rgba(var(--accent-rgb),.7);box-shadow:0 0 0 4px rgba(var(--accent-rgb),.12)}
.pill input[type=email]{flex:1;min-width:0;border:0;outline:none;background:transparent;color:var(--text);font:inherit;font-size:17px;padding:14px 8px 14px 20px}
.pill input::placeholder{color:var(--faint)}
.btn{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:52px;padding:0 26px;border:0;border-radius:999px;background:var(--accent-strong);color:var(--on-accent);font:inherit;font-weight:700;font-size:16.5px;cursor:pointer;text-decoration:none;box-shadow:0 8px 30px rgba(var(--accent-rgb),.28);transition:transform .2s,filter .2s}
.btn:hover{filter:brightness(1.08);transform:translateY(-1px);color:var(--on-accent)}
.btn:active{transform:scale(.98)}
.btn[disabled]{opacity:.6;cursor:wait;transform:none}
.btn svg{transition:transform .2s}
.btn:hover svg{transform:translateX(3px)}

.check{display:flex;gap:12px;align-items:flex-start;justify-content:flex-start;margin:0;font-size:15px;line-height:1.45;color:var(--muted);cursor:pointer;text-align:left}
.check input{appearance:none;-webkit-appearance:none;flex:0 0 auto;width:20px;height:20px;margin:0;border:1.5px solid #4A4A52;border-radius:6px;background:transparent;cursor:pointer;display:grid;place-content:center;transition:background .15s,border-color .15s}
.check input::after{content:"";width:10px;height:6px;border:2px solid var(--on-accent);border-top:0;border-right:0;transform:rotate(-45deg) translate(1px,-1px);opacity:0}
.check input:checked{background:var(--accent-strong);border-color:var(--accent-strong)}
.check input:checked::after{opacity:1}
.check input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.check:hover span{color:var(--text)}

.fine{margin:14px auto 0;max-width:500px;font-size:13px;line-height:1.55;color:var(--faint)}
.fine a{color:var(--muted)}
.error{margin:12px 0 0;color:#FF8A80;font-size:14.5px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

.success{display:flex;align-items:center;gap:16px;text-align:left;padding:20px 22px;background:var(--surface);border:1px solid rgba(var(--accent-rgb),.45);border-radius:20px}
.success .icon{flex:0 0 auto;width:44px;height:44px;border-radius:50%;background:rgba(var(--accent-rgb),.14);color:var(--accent);display:flex;align-items:center;justify-content:center}
.success p{margin:0;font-size:16px;color:var(--muted)}
.success strong{color:var(--text)}
.success:focus{outline:none}

/* Absender */
.byline{display:inline-flex;align-items:center;gap:12px;margin-top:30px;color:var(--muted);font-size:15px}
.avatar{width:40px;height:40px;border-radius:50%;flex:0 0 auto;object-fit:cover;border:1px solid var(--line);background:#2A2A30;color:var(--text);font-weight:700;font-size:16px;display:inline-flex;align-items:center;justify-content:center}

/* Experimente */
.experiments{margin-top:130px;padding-top:40px;border-top:1px solid var(--line-soft)}
.label{font-family:var(--mono);font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);text-align:center;margin:0 0 22px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.exp{display:block;padding:22px 24px;background:var(--surface);border:1px solid var(--line);border-radius:16px;text-decoration:none;color:var(--text);transition:border-color .2s,transform .2s}
a.exp:hover{border-color:rgba(var(--accent-rgb),.55);transform:translateY(-2px);color:var(--text)}
.exp .tag{display:block;font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint)}
.exp .tag b{color:var(--accent);font-weight:500}
.exp{display:flex;flex-direction:column}
.exp .title{display:block;margin-top:10px;font-weight:600;font-size:18px;letter-spacing:-.01em;line-height:1.35}
.exp .go{display:inline-flex;align-items:center;gap:6px;margin-top:auto;padding-top:16px;font-size:14px;font-weight:600;color:var(--accent)}
.exp .go svg{transition:transform .2s}
a.exp:hover .go svg{transform:translateX(2px)}
.exp.is-soon{border-style:dashed;background:transparent}
.exp.is-soon .go{color:var(--faint);font-weight:500}

/* Footer */
footer{position:relative;z-index:1;margin-top:96px;border-top:1px solid var(--line-soft);padding:28px 0 40px;font-size:14px;color:var(--faint)}
footer .wrap{display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;align-items:center}
footer nav{display:flex;flex-wrap:wrap;gap:8px 22px}
footer a{color:var(--muted);text-decoration:none}
footer a:hover{color:var(--text)}
footer p{margin:0}
footer .logo-sm{font-size:17px;color:var(--text)}
footer .logo-sm:hover{color:var(--text)}

/* Rechtsseiten */
.legal{max-width:760px;padding-top:56px}
.legal h1{font-size:clamp(34px,6vw,52px);text-align:left}
.legal h2{font-size:19px;margin:34px 0 8px;letter-spacing:-.01em}
.legal p,.legal li{color:#C9C9CE}
.legal a{color:var(--accent)}
.ph{background:rgba(var(--accent-rgb),.16);color:var(--text);padding:1px 6px;border-radius:4px;font-weight:600}

/* Handy */
@media (max-width:760px){
  .hero{padding-top:64px}
  .cards{grid-template-columns:1fr;gap:12px}
  .experiments{margin-top:90px}
  footer{margin-top:64px}
  footer .wrap{flex-direction:column;align-items:flex-start}
}
@media (max-width:560px){
  .pill{flex-direction:column;align-items:stretch;border-radius:22px;padding:8px}
  .pill input[type=email]{padding:14px 14px;text-align:center}
  .btn{width:100%;min-height:54px}
  .success{flex-direction:column;text-align:center}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

/* Danke-Seite */
.btn-wide{min-height:58px;padding:0 34px;font-size:17.5px}
.cards-1{grid-template-columns:minmax(0,420px);justify-content:center}

/* AI-Avatare in der Headline */
.ai-stack{position:relative;display:inline-flex;vertical-align:middle;margin:0 .12em;top:-.06em}
.ai-face{display:block;width:.88em;height:.88em;border-radius:50%;overflow:hidden;border:.05em solid var(--bg);background:var(--surface-2);box-shadow:0 0 0 1px rgba(var(--accent-rgb),.35)}
.ai-face+.ai-face{margin-left:-.24em}
.ai-face img{width:100%;height:100%;object-fit:cover;display:block}
.ai-ph{display:flex;width:100%;height:100%;align-items:center;justify-content:center;background:linear-gradient(140deg,rgba(var(--accent-rgb),.4),rgba(var(--accent-rgb),.1));color:#C9D6FF}
.ai-ph svg{width:45%;height:45%}
.ai-tag{position:absolute;right:-.26em;bottom:-.14em;font-family:var(--sans);font-size:.17em;font-weight:800;letter-spacing:.05em;line-height:1;padding:.32em .45em;border-radius:.5em;background:var(--accent-strong);color:#fff;border:.18em solid var(--bg)}

/* Hinweis-Karte (Danke-Seite) */
.note-card{max-width:680px;margin:0 auto;padding:22px 24px;border-radius:16px;background:linear-gradient(180deg,rgba(var(--accent-rgb),.10),rgba(var(--accent-rgb),.03));border:1px solid rgba(var(--accent-rgb),.35)}
.note-card .tag{display:block;font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin-bottom:10px}
.note-card .tag b{color:var(--accent);font-weight:500}
.note-card p{margin:0;color:var(--muted);font-size:16px;line-height:1.6}
.note-card strong{color:var(--text)}
.note-title{margin:0 0 10px;font-size:clamp(20px,2.4vw,24px);line-height:1.3;letter-spacing:-.02em;font-weight:700;text-align:left}
.note-card p+p{margin-top:12px}
.note-card .note-sub{font-size:14.5px;color:var(--faint)}
.note-card form{margin-top:14px}
.pill-sm .btn{min-height:46px;padding:0 20px;font-size:15.5px}
.pill-sm input[type=email]{font-size:16px;padding:11px 8px 11px 16px}
.success-sm{padding:16px 18px;border-radius:16px}
.success-sm .icon{width:38px;height:38px}

/* Challenge-Haekchen hervorgehoben */
.check-box{position:relative;max-width:560px;margin:16px auto 0;padding:13px 16px;border-radius:14px;border:1px solid rgba(var(--accent-rgb),.32);background:rgba(var(--accent-rgb),.06);transition:border-color .2s,background .2s}
.check-box:hover,.check-box.is-open,.check-box:has(input:checked){border-color:rgba(var(--accent-rgb),.6);background:rgba(var(--accent-rgb),.1)}
.check-box .check span{color:#C7C9D1}
.info-term{display:inline;border:0;background:none;padding:0;margin:0;font:inherit;font-weight:700;color:var(--accent);cursor:help;text-decoration:underline dotted rgba(var(--accent-rgb),.7);text-underline-offset:3px;white-space:nowrap}
.info-term svg{display:inline-block;vertical-align:-2px;margin-left:4px}
.info-term:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.info-pop{position:absolute;z-index:5;left:0;right:0;top:calc(100% + 10px);padding:16px 18px;border-radius:14px;background:#141824;border:1px solid rgba(var(--accent-rgb),.45);box-shadow:0 18px 50px rgba(0,0,0,.55);font-size:14.5px;line-height:1.55;color:var(--muted);text-align:left;opacity:0;visibility:hidden;transform:translateY(-4px);transition:opacity .18s,transform .18s,visibility .18s}
.info-pop::before{content:"";position:absolute;top:-7px;left:50%;width:12px;height:12px;background:#141824;border-left:1px solid rgba(var(--accent-rgb),.45);border-top:1px solid rgba(var(--accent-rgb),.45);transform:translateX(-50%) rotate(45deg)}
.info-pop strong{display:block;color:var(--text);font-size:15.5px;margin-bottom:6px}
.info-pop-tag{display:block;font-family:var(--mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin-bottom:8px}
.info-pop-tag b{color:var(--accent);font-weight:500}
.check-box.is-open .info-pop{opacity:1;visibility:visible;transform:none}
@media (hover:hover){.info-term:hover~*,.check-box:has(.info-term:hover) .info-pop{opacity:1;visibility:visible;transform:none}}

.teaser{display:block;margin-top:10px;font-style:italic;color:var(--accent)}

/* Haekchen: ein Satz, sauber umbrechend */
.check-box .check{align-items:center}
.check-line{text-wrap:balance}

/* Hinweis im Footer */
footer .disclaimer{flex-basis:100%;margin-top:6px;font-size:12px;line-height:1.6;color:var(--faint);max-width:720px}

/* Widerrufsformular */
.wd-form{display:grid;gap:14px;margin-top:22px;max-width:520px}
.wd-form label{display:grid;gap:6px;font-size:14px;color:var(--muted)}
.wd-form input{font:inherit;font-size:16px;color:var(--text);background:rgba(255,255,255,.04);border:1px solid var(--line-soft);border-radius:12px;padding:12px 14px}
.wd-form input:focus{outline:2px solid var(--accent);outline-offset:1px}
.wd-form input:disabled{opacity:.7}
.wd-form .btn{margin-top:6px}
.wd-sum{margin-top:18px;padding:16px 18px;border-radius:14px;border:1px solid var(--line-soft);background:rgba(255,255,255,.03);max-width:520px}
.wd-sum p{margin:4px 0}
.wd-err{margin-top:16px;padding:12px 16px;border-radius:12px;background:rgba(255,80,80,.1);border:1px solid rgba(255,80,80,.35)}
.wd-err p{margin:2px 0;color:#ffb4b4}
.wd-back{margin-top:12px}
.wd-link{background:none;border:0;padding:0;font:inherit;font-size:14px;color:var(--muted);text-decoration:underline;cursor:pointer}

/* Meldung nach dem Eintragen: auffällig (Bernstein = "da fehlt noch was", kein Fehler) */
.success .s-body{display:grid;gap:8px}
.success .s-note{font-size:13.5px;color:var(--faint)}
.success.success-warn{border:1.5px solid rgba(245,166,35,.7);background:linear-gradient(180deg,rgba(245,166,35,.12),rgba(245,166,35,.04));animation:warnPulse 2.4s ease-in-out infinite}
.success.success-warn .icon{background:rgba(245,166,35,.18);color:#FFC55C}
.success.success-warn strong{color:#FFD58F}
.success.success-warn p{color:#E6E7EB}
.success.success-warn .s-note{color:rgba(230,231,235,.6)}
@keyframes warnPulse{0%,100%{box-shadow:0 0 0 0 rgba(245,166,35,0)}50%{box-shadow:0 0 0 6px rgba(245,166,35,.12)}}
@media (prefers-reduced-motion:reduce){.success.success-warn{animation:none}}