/* iduerr – Stylesheet v2 (2026) */

@font-face{font-family:"Sora";src:url("../fonts/sora-latin-600-normal.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:"Sora";src:url("../fonts/sora-latin-700-normal.woff2") format("woff2");font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:"Source Sans 3";src:url("../fonts/source-sans-3-latin-400-normal.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Source Sans 3";src:url("../fonts/source-sans-3-latin-600-normal.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap}

:root{
  --bg:#F5F4F0;
  --paper:#FFFFFF;
  --ink:#172124;
  --slate:#1D282C;
  --slate-2:#26343A;
  --muted:#4E5A5D;
  --label:#5B6966;
  --line:#E1E0D8;
  --line-dark:#3A4A50;
  --on-dark:#C9D4D1;
  --accent:#C8F27C;
  --accent-deep:#9BD14A;
  --accent-soft:#EDF8DA;
  --display:"Sora",system-ui,sans-serif;
  --body:"Source Sans 3",system-ui,sans-serif;
  --pad:clamp(20px,5vw,96px);
  --max:1240px;
  --r:18px;
  --r-sm:12px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:18px;line-height:1.6;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3,h4{font-family:var(--display);margin:0;line-height:1.12;letter-spacing:-0.02em;font-weight:700}
h1{font-size:clamp(40px,5.6vw,76px);letter-spacing:-0.035em;line-height:1.02}
h2{font-size:clamp(30px,3.6vw,50px);letter-spacing:-0.03em;line-height:1.06}
h3{font-size:clamp(19px,1.5vw,22px);font-weight:600;line-height:1.3;letter-spacing:-0.01em}
p{margin:0}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:16px;z-index:20;background:var(--accent);padding:8px 14px}
.wrap{max-width:var(--max);margin:0 auto}
.hl{background:linear-gradient(transparent 62%,var(--accent) 62%,var(--accent) 92%,transparent 92%)}

/* Header */
.header{position:sticky;top:0;z-index:10;background:rgba(245,244,240,.86);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid rgba(23,33,36,.07)}
.header__in{max-width:calc(var(--max) + 2*var(--pad));margin:0 auto;height:72px;padding:0 var(--pad);display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;align-items:center;gap:2px;text-decoration:none;font-family:var(--display);font-weight:700;font-size:24px;color:var(--ink);letter-spacing:-0.02em}
.logo span:first-child{display:inline-flex;align-items:center;justify-content:center;width:26px;height:34px;background:var(--accent);color:#111;border-radius:4px;margin-right:1px}
.nav{display:flex;align-items:center;gap:28px;font-size:16px}
.nav a{text-decoration:none;color:var(--muted)}
.nav a:hover,.nav a[aria-current="page"]{color:var(--ink)}
.nav a[aria-current="page"]{font-weight:600}
.menu-toggle{display:none}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 26px;border-radius:999px;font-family:var(--body);font-size:17px;font-weight:600;text-decoration:none;border:0;cursor:pointer;transition:transform .15s ease,background .15s ease}
.btn:hover{transform:translateY(-1px)}
.btn--accent{background:var(--accent);color:#0F1A12}
.btn--accent:hover{background:#BCEB69}
.btn--dark{background:var(--ink);color:#fff}
.btn--line{border:1px solid rgba(23,33,36,.22);color:var(--ink);font-weight:500}
.btn--line:hover{border-color:var(--ink)}
.btn--line-light{border:1px solid rgba(255,255,255,.3);color:#fff;font-weight:500}
.btn .arr{transition:transform .15s ease}
.btn:hover .arr{transform:translateX(3px)}
.nav .btn{min-height:42px;padding:0 18px;font-size:15px;color:#0F1A12}
.btns{display:flex;flex-wrap:wrap;gap:12px}

/* Tags */
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--display);font-size:13px;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--label)}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent-deep)}
.dark .eyebrow{color:var(--accent)}
.dark .eyebrow::before{background:var(--accent)}
.pill{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;background:var(--paper);border:1px solid var(--line);font-size:15px;color:var(--muted)}

/* Sections */
.section{padding:clamp(72px,9vw,128px) var(--pad)}
.section--tight{padding-top:0}
.section--paper{background:var(--paper)}
.dark{background:var(--slate);color:#fff}
.dark p{color:var(--on-dark)}
.head{display:flex;flex-direction:column;gap:18px;max-width:820px;margin-bottom:clamp(40px,5vw,64px)}
.head p{font-size:clamp(18px,1.4vw,21px);color:var(--muted)}
.dark .head p{color:var(--on-dark)}
.head--split{max-width:none;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:clamp(24px,5vw,80px);align-items:end}

/* Hero */
.hero{padding:clamp(40px,6vw,88px) var(--pad) clamp(56px,7vw,104px)}
.hero__grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:clamp(32px,5vw,80px);align-items:center}
.hero__text{display:flex;flex-direction:column;gap:26px}
.hero__lead{font-size:clamp(19px,1.6vw,23px);color:var(--muted);max-width:600px;line-height:1.5}
.hero__meta{display:flex;flex-wrap:wrap;gap:10px;padding-top:6px}
.visual{position:relative;border-radius:calc(var(--r) + 6px);background:var(--slate);overflow:hidden;aspect-ratio:5/4.4;box-shadow:0 40px 80px -40px rgba(23,33,36,.45)}
.visual svg{width:100%;height:100%}
.visual--photo img{width:100%;height:100%;object-fit:cover;object-position:50% 28%;filter:grayscale(1) contrast(1.05)}
.float{position:absolute;display:flex;align-items:center;gap:12px;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-radius:14px;padding:12px 16px;box-shadow:0 18px 40px -18px rgba(0,0,0,.45);font-size:15px;line-height:1.3;color:var(--ink)}
.float b{font-family:var(--display);font-size:22px;letter-spacing:-0.02em}
.float .dot{width:34px;height:34px;border-radius:10px;background:var(--accent);display:grid;place-items:center;flex:none}
.float--1{left:18px;bottom:18px}
.float--2{right:18px;top:18px}

/* Marquee of facts */
.band{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--paper);padding:28px var(--pad)}
.band__in{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:32px}
.stat b{display:block;font-family:var(--display);font-size:clamp(26px,2.4vw,34px);letter-spacing:-0.03em;line-height:1.1}
.stat span{font-size:16px;color:var(--muted)}

/* Bento */
.bento{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:16px}
.tile{position:relative;display:flex;flex-direction:column;gap:14px;padding:clamp(24px,2.4vw,34px);border-radius:var(--r);background:var(--paper);border:1px solid var(--line);text-decoration:none;color:var(--ink);transition:transform .2s ease,box-shadow .2s ease;min-height:260px}
a.tile:hover{transform:translateY(-3px);box-shadow:0 28px 50px -30px rgba(23,33,36,.35)}
.tile p{color:var(--muted);font-size:17px}
.tile .go{margin-top:auto;display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:16px}
.tile .go::after{content:"→";transition:transform .15s ease}
a.tile:hover .go::after{transform:translateX(4px)}
.tile--dark{background:var(--slate);color:#fff;border-color:var(--slate)}
.tile--dark p{color:var(--on-dark)}
.tile--accent{background:var(--accent);border-color:var(--accent)}
.tile--accent p{color:#2D3B24}
.tile h3{font-size:clamp(22px,2vw,28px);letter-spacing:-0.025em;font-weight:700}
.span-2{grid-column:span 2}.span-3{grid-column:span 3}.span-4{grid-column:span 4}.span-6{grid-column:span 6}
.tile__art{position:absolute;right:0;bottom:0;width:48%;opacity:.95;pointer-events:none}

/* Cards and lists */
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:clamp(24px,2.2vw,32px);display:flex;flex-direction:column;gap:12px}
.card p{color:var(--muted);font-size:17px}
.card--bg{background:var(--bg)}
.dark .card{background:var(--slate-2);border-color:var(--line-dark)}
.dark .card p{color:var(--on-dark)}
.card__ic{width:44px;height:44px;border-radius:12px;background:var(--accent-soft);display:grid;place-items:center;margin-bottom:6px}
.dark .card__ic{background:rgba(200,242,124,.14)}
.card__ic svg{width:22px;height:22px}
.card .tag{font-size:14px;font-weight:600;color:var(--label);font-family:var(--display);letter-spacing:.04em;text-transform:uppercase}
.dark .card .tag{color:var(--accent)}
.checks{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.checks li{position:relative;padding-left:32px;color:var(--muted)}
.checks li::before{content:"";position:absolute;left:0;top:5px;width:20px;height:20px;border-radius:50%;background:var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5.5 10.5l3 3 6-7' fill='none' stroke='%230F1A12' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/20px no-repeat}
.dark .checks li{color:var(--on-dark)}

/* Symptom list */
.symptoms{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;border-top:1px solid var(--line)}
.symptoms li{list-style:none;display:flex;gap:18px;align-items:flex-start;padding:26px 0;border-bottom:1px solid var(--line);font-size:clamp(18px,1.5vw,21px);line-height:1.4;font-family:var(--display);font-weight:600;letter-spacing:-0.01em}
.symptoms li:nth-child(odd){padding-right:32px}
.symptoms li:nth-child(even){padding-left:32px;border-left:1px solid var(--line)}
.symptoms li span{flex:none;font-size:14px;color:var(--label);padding-top:4px;font-weight:600}
.symptoms{padding:0;margin:0}

/* Steps */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(var(--n,4),minmax(0,1fr));gap:16px;counter-reset:s}
.steps li{position:relative;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:26px 24px;display:flex;flex-direction:column;gap:10px}
.steps .num{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--ink);color:#fff;font-family:var(--display);font-weight:700;font-size:15px;margin-bottom:6px}
.steps li:last-child .num{background:var(--accent);color:#0F1A12}
.steps p{color:var(--muted);font-size:16.5px}
.dark .steps li{background:var(--slate-2);border-color:var(--line-dark)}
.dark .steps .num{background:#fff;color:var(--ink)}
.dark .steps li:last-child .num{background:var(--accent)}

/* Praxis cases (KI) */
.case{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.25fr);gap:clamp(24px,4vw,64px);align-items:center;padding:clamp(24px,3vw,40px);border-radius:calc(var(--r) + 4px);background:var(--paper);border:1px solid var(--line)}
.case + .case{margin-top:16px}
.case__art{border-radius:var(--r);background:var(--slate);aspect-ratio:16/11;overflow:hidden}
.case__art svg{width:100%;height:100%}
.case__text{display:flex;flex-direction:column;gap:16px}
.case__text p{color:var(--muted)}
.case__meta{display:flex;flex-wrap:wrap;gap:8px}
.case__meta span{font-size:14px;padding:5px 12px;border-radius:999px;background:var(--bg);border:1px solid var(--line);color:var(--muted)}
.case--flip .case__art{order:2}

/* Learnings */
.learn{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.learn article{border-top:2px solid var(--accent);padding-top:22px;display:flex;flex-direction:column;gap:12px}
.learn b{font-family:var(--display);font-size:clamp(20px,1.7vw,24px);letter-spacing:-0.02em;line-height:1.25;color:#fff}

/* Quote */
.quote{max-width:980px;font-family:var(--display);font-weight:600;font-size:clamp(24px,2.6vw,36px);line-height:1.25;letter-spacing:-0.02em}
.quote small{display:block;margin-top:20px;font-family:var(--body);font-weight:400;font-size:17px;color:var(--muted);letter-spacing:0}

/* About */
.about{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(32px,5vw,80px);align-items:center}
.about__img{border-radius:calc(var(--r) + 6px);overflow:hidden;aspect-ratio:4/4.6}
.about__img img{width:100%;height:100%;object-fit:cover;object-position:50% 25%;filter:grayscale(1)}
.about__text{display:flex;flex-direction:column;gap:22px}
.about__text p{font-size:clamp(18px,1.4vw,20px);color:#34403F}
.chips{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0}
.chips li{padding:7px 14px;border:1px solid var(--line);border-radius:999px;font-size:15px;background:var(--paper);color:var(--muted)}

/* FAQ */
.faq{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.faq details{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-sm);padding:20px 24px}
.faq summary{cursor:pointer;font-family:var(--display);font-weight:600;font-size:18px;letter-spacing:-0.01em;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;line-height:1;color:var(--label)}
.faq details[open] summary::after{content:"–"}
.faq p{color:var(--muted);font-size:17px;margin-top:12px}

/* Related */
.related{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.related a{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:22px 24px;border-radius:var(--r-sm);background:var(--paper);border:1px solid var(--line);text-decoration:none;font-family:var(--display);font-weight:600;letter-spacing:-0.01em;transition:border-color .15s ease}
.related a::after{content:"→"}
.related a:hover{border-color:var(--ink)}

/* Contact */
.contact{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(32px,5vw,80px);align-items:start}
.contact__text{display:flex;flex-direction:column;gap:22px}
.person{display:flex;align-items:center;gap:16px;padding:14px;border-radius:16px;background:var(--slate-2);border:1px solid var(--line-dark);max-width:420px}
.person img{width:64px;height:64px;border-radius:50%;object-fit:cover;filter:grayscale(1)}
.person b{display:block;font-family:var(--display);font-size:17px;color:#fff}
.person span{font-size:15px;color:var(--on-dark)}
.contact__direct{display:flex;flex-direction:column;gap:6px;font-size:18px}
.contact__direct a{color:#fff;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.25);align-self:flex-start}
.contact__direct a:hover{border-color:var(--accent)}
.form{background:var(--paper);color:var(--ink);border-radius:calc(var(--r) + 4px);padding:clamp(24px,3vw,40px);display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.form label{display:flex;flex-direction:column;gap:8px;font-size:15px;font-weight:600}
.form .full{grid-column:1/-1}
.form input,.form select,.form textarea{width:100%;min-width:0;font:inherit;font-weight:400;font-size:17px;color:var(--ink);border:1px solid #CFD2CD;border-radius:10px;background:#FAFAF8}
.form input,.form select{height:50px;padding:0 14px}
.form textarea{padding:12px 14px;resize:vertical;min-height:110px}
.form input:focus,.form select:focus,.form textarea:focus{outline:3px solid var(--accent);outline-offset:1px;border-color:var(--ink);background:#fff}
.form .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form__foot{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.form__foot small{font-size:14px;color:var(--label);max-width:400px;line-height:1.45}
.form__foot small a{color:var(--ink)}

/* Legal pages */
.legal{max-width:860px;margin:0 auto;padding:clamp(48px,7vw,88px) var(--pad)}
.legal h1{font-size:clamp(34px,4vw,52px);margin-bottom:32px}
.legal h2{font-size:24px;margin:40px 0 12px;letter-spacing:-0.02em}
.legal h3{font-size:19px;margin:24px 0 8px}
.legal p,.legal li{color:#34403F}
.legal p+p{margin-top:12px}

/* Footer */
.footer{background:var(--slate);color:var(--on-dark);padding:56px var(--pad) 40px}
.footer__in{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:minmax(0,1.3fr) repeat(2,minmax(0,1fr));gap:40px}
.footer .logo{color:#fff}
.footer p{font-size:16px;margin-top:14px;max-width:360px}
.footer h4{font-size:14px;letter-spacing:.08em;text-transform:uppercase;color:#fff;margin-bottom:14px}
.footer ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;font-size:16px}
.footer a{text-decoration:none}
.footer a:hover{color:#fff}
.footer__base{max-width:var(--max);margin:40px auto 0;padding-top:24px;border-top:1px solid var(--line-dark);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:14px}

/* Responsive */
@media (max-width:1100px){
  .nav{gap:20px}
  .g4,.steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .bento .span-2{grid-column:span 3}
  .band__in{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:960px){
  .header__in{height:64px}
  .nav{display:none;position:absolute;top:64px;left:0;right:0;background:var(--bg);flex-direction:column;align-items:flex-start;gap:18px;padding:24px var(--pad) 32px;border-bottom:1px solid var(--line);font-size:18px}
  .nav.is-open{display:flex}
  .menu-toggle{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;background:transparent;border:1px solid rgba(23,33,36,.2);border-radius:10px;color:var(--ink);cursor:pointer}
  .hero__grid,.about,.contact,.case,.head--split{grid-template-columns:minmax(0,1fr)}
  .case--flip .case__art{order:0}
  .visual{aspect-ratio:16/11}
  .hero--home .visual{aspect-ratio:4/3}
}
@media (max-width:720px){
  body{font-size:17px}
  .g2,.g3,.g4,.steps,.learn,.related,.faq{grid-template-columns:minmax(0,1fr)}
  .bento{grid-template-columns:minmax(0,1fr)}
  .bento .span-2,.bento .span-3,.bento .span-4,.bento .span-6{grid-column:auto}
  .tile{min-height:0}
  .tile__art{display:none}
  .symptoms{grid-template-columns:minmax(0,1fr)}
  .symptoms li:nth-child(odd),.symptoms li:nth-child(even){padding:20px 0;border-left:0}
  .form{grid-template-columns:minmax(0,1fr)}
  .footer__in{grid-template-columns:minmax(0,1fr)}
  .btns .btn{width:100%}
  .float{font-size:13px;padding:10px 12px}
  .float b{font-size:18px}
  .about__img{aspect-ratio:1/1;max-width:360px}
}
section[id]{scroll-margin-top:84px}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
.card__ic{color:var(--ink)}
.dark .card__ic{color:var(--accent)}
a.card{color:var(--ink);transition:transform .2s ease}
a.card:hover{transform:translateY(-3px)}
/* Kurzüberblick */
.summary{padding:0 var(--pad);margin-top:-8px}
.summary .wrap{border:1px solid var(--line);background:var(--paper);border-radius:var(--r);padding:clamp(22px,2.4vw,32px)}
.summary__title{font-size:13px;font-family:var(--display);font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--label);margin-bottom:16px}
.summary__list{margin:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px 28px}
.summary__list dt{font-family:var(--display);font-weight:600;font-size:15px;margin-bottom:4px}
.summary__list dd{margin:0;color:var(--muted);font-size:16px;line-height:1.5}
@media (max-width:960px){.summary__list{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:720px){.summary__list{grid-template-columns:minmax(0,1fr)}}