/* Quintessenz · gemeinsames Stylesheet für alle Unterseiten (Stand 28.09.2026)
   Farben, Schriften und Bausteine wie auf der Startseite. */
:root{
  --ink:#0E0E0E;--ink2:#121817;--ink3:#1B2423;
  --soft:#EAFDFE;--paper:#F5FDFD;--white:#FFFFFF;
  --lime:#8DFAA2;--blue:#7AF6F8;--teal:#0A6B6E;--teal2:#0E8A8D;
  --mist:#A7BDBE;--mist2:#5F7677;--g2:#33413F;--line:#D3EAEA;--lined:#263231;
  --grad:linear-gradient(100deg,#8DFAA2 0%,#7AF6F8 100%);
  --F:Montserrat,"Segoe UI",Arial,sans-serif;--B:Karla,system-ui,"Segoe UI",Arial,sans-serif;
  --gut:clamp(16px,4vw,40px);
  color-scheme:light;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--B);font-size:17.5px;line-height:1.65;color:var(--ink);background:var(--paper);overflow-x:hidden}
img,video{max-width:100%;height:auto;display:block}
a{color:inherit}
::selection{background:var(--lime);color:var(--ink)}
.w{max-width:1200px;margin-inline:auto;padding-inline:var(--gut)}
h1,h2,h3{font-family:var(--F);letter-spacing:-.02em;line-height:1.08;text-wrap:balance}
.eb{font-family:var(--F);font-weight:700;font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;display:inline-flex;align-items:center;gap:10px;margin-bottom:16px}
.eb::before{content:"";width:22px;height:2px;background:var(--grad);border-radius:2px}
.gt{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--F);font-weight:700;font-size:15px;padding:16px 24px;border-radius:999px;text-decoration:none;transition:transform .2s ease,box-shadow .2s ease,background .2s}
.btn svg{width:16px;height:16px;transition:transform .2s}
.btn:hover svg{transform:translateX(3px)}
.btn-p{background:var(--grad);color:var(--ink);box-shadow:0 10px 30px -12px rgba(122,246,248,.55)}
.btn-p:hover{transform:translateY(-2px);box-shadow:0 16px 34px -12px rgba(141,250,162,.65)}
.btn-g{color:var(--soft);border:1.5px solid rgba(234,253,254,.28)}
.btn-g:hover{border-color:var(--lime);color:var(--lime)}
.btn-l{color:var(--ink);border:1.5px solid var(--ink)}
.btn-l:hover{background:var(--ink);color:var(--soft)}
a:focus-visible,.btn:focus-visible,summary:focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:8px}

/* ── NAV ───────────────────────── */
.nav{position:fixed;inset:0 0 auto 0;z-index:60;padding-top:env(safe-area-inset-top,0px);background:rgba(14,14,14,.9);backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);border-bottom:1px solid rgba(234,253,254,.07)}
.nav .w{display:flex;align-items:center;gap:28px;height:72px}
.nav .logo svg{height:30px;width:auto;display:block}
.nav .logo g{fill:var(--soft)}
.nav ul{display:flex;gap:24px;list-style:none;margin-left:auto}
.nav ul a{font-family:var(--F);font-weight:600;font-size:13.5px;color:#C9DCDD;text-decoration:none;position:relative;white-space:nowrap}
.nav ul a::after{content:"";position:absolute;left:0;right:100%;bottom:-6px;height:2px;background:var(--grad);transition:right .25s}
.nav ul a:hover::after,.nav ul a[aria-current]::after{right:0}
.nav ul a[aria-current]{color:var(--soft)}
.nav .btn{padding:11px 18px;font-size:13.5px}
.menu{display:none;position:relative}
.menu summary{list-style:none;cursor:pointer;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;border:1px solid rgba(234,253,254,.18)}
.menu summary::-webkit-details-marker{display:none}
.menu summary span,.menu summary span::before,.menu summary span::after{display:block;width:18px;height:2px;background:var(--soft);border-radius:2px;position:relative}
.menu summary span::before,.menu summary span::after{content:"";position:absolute;left:0}
.menu summary span::before{top:-6px}.menu summary span::after{top:6px}
.menu[open] summary span{background:transparent}
.menu[open] summary span::before{top:0;transform:rotate(45deg)}
.menu[open] summary span::after{top:0;transform:rotate(-45deg)}
.menu .drop{position:absolute;right:0;top:54px;width:min(300px,calc(100vw - 32px));background:var(--ink);border:1px solid var(--lined);border-radius:18px;padding:10px;box-shadow:0 30px 60px -20px rgba(0,0,0,.7)}
.menu .drop a{display:block;padding:12px 14px;border-radius:10px;color:var(--soft);text-decoration:none;font-family:var(--F);font-weight:600;font-size:15px}
.menu .drop a:hover{background:var(--ink3)}
.menu .drop .btn{display:flex;justify-content:center;margin-top:8px;color:var(--ink)}
@media(max-width:980px){.nav ul{display:none}.nav>.w>.btn{display:none}.menu{display:block;margin-left:auto}}

/* ── SEITENKOPF ────────────────── */
.phero{position:relative;background:var(--ink);color:var(--soft);overflow:hidden;isolation:isolate}
.phero::before{content:"";position:absolute;inset:-30% -10% auto auto;width:60vw;height:60vw;max-width:820px;max-height:820px;background:radial-gradient(closest-side,rgba(122,246,248,.12),rgba(141,250,162,.04) 55%,transparent 72%);z-index:-1}
.phero .grid{position:absolute;inset:0;z-index:-1;opacity:.35;background-image:linear-gradient(rgba(234,253,254,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(234,253,254,.045) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(ellipse at 70% 40%,#000 20%,transparent 75%);-webkit-mask-image:radial-gradient(ellipse at 70% 40%,#000 20%,transparent 75%)}
.phero .w{padding-block:clamp(120px,13vw,160px) clamp(48px,6vw,80px)}
.crumbs{display:flex;flex-wrap:wrap;gap:6px 10px;list-style:none;font-size:13px;color:var(--mist);margin-bottom:26px}
.crumbs li+li::before{content:"/";margin-right:10px;color:#4F6465}
.crumbs a{color:var(--mist);text-decoration:none}
.crumbs a:hover{color:var(--lime)}
.phero .eb{color:var(--lime)}
.phero h1{font-size:clamp(34px,5.4vw,68px);font-weight:900;letter-spacing:-.03em;line-height:1.02;max-width:20ch;margin-bottom:24px}
.phero h1 em{font-style:italic;font-weight:800}
.phero .sub{font-size:clamp(17px,1.6vw,20px);color:#C3D7D8;max-width:62ch;margin-bottom:32px}
.phero .ctas{display:flex;flex-wrap:wrap;gap:12px}
.facts{display:flex;flex-wrap:wrap;gap:clamp(20px,4vw,48px);margin-top:44px;padding-top:24px;border-top:1px solid var(--lined)}
.facts div{font-size:13.5px;color:var(--mist);line-height:1.35}
.facts b{display:block;font-family:var(--F);font-weight:800;font-size:26px;letter-spacing:-.02em;color:var(--soft);margin-bottom:4px}
.wave{display:block;width:100%;height:56px;background:var(--ink)}
.wave path{fill:var(--paper)}
.meta{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:14px;color:var(--mist);margin-top:4px}

/* ── ABSCHNITTE ────────────────── */
.sec{padding-block:clamp(64px,8vw,112px)}
.sec.tight{padding-top:clamp(40px,5vw,64px)}
.light{background:var(--paper);color:var(--ink)}
.white{background:var(--white)}
.dark{background:var(--ink);color:var(--soft)}
.h2{font-size:clamp(28px,3.8vw,46px);font-weight:800;margin-bottom:18px}
.lead{font-size:clamp(17px,1.5vw,19.5px);color:var(--g2);max-width:62ch}
.dark .lead{color:#C3D7D8}
.light .eb,.white .eb{color:var(--teal)}
.dark .eb{color:var(--lime)}

/* Lesetext */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:clamp(32px,5vw,72px);align-items:start}
@media(max-width:980px){.layout{grid-template-columns:1fr}}
.prose{max-width:70ch}
.prose>*+*{margin-top:18px}
.prose h2{font-size:clamp(25px,2.8vw,34px);font-weight:800;margin-top:56px;scroll-margin-top:96px}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:20px;font-weight:700;margin-top:34px}
.prose p,.prose li{color:var(--g2)}
.prose strong{color:var(--ink);font-weight:700}
.prose a{color:var(--teal);font-weight:700;text-decoration:none;border-bottom:1px solid rgba(10,107,110,.3)}
.prose a:hover{border-bottom-color:var(--teal)}
.prose ul,.prose ol{padding-left:0;list-style:none;display:grid;gap:10px}
.prose ul li{position:relative;padding-left:28px}
.prose ul li::before{content:"";position:absolute;left:2px;top:9px;width:12px;height:12px;border-radius:50%;background:var(--grad)}
.prose ol{counter-reset:n}
.prose ol li{position:relative;padding-left:40px;counter-increment:n}
.prose ol li::before{content:counter(n);position:absolute;left:0;top:1px;width:28px;height:28px;border-radius:50%;background:var(--ink);color:var(--lime);font-family:var(--F);font-weight:800;font-size:13px;display:grid;place-items:center}
.prose blockquote{padding:4px 0 4px 20px;border-left:3px solid;border-image:var(--grad) 1;font-size:18.5px;color:var(--ink)}
.prose blockquote cite{display:block;font-style:normal;font-size:14px;color:var(--mist2);margin-top:8px}
.answer{background:var(--white);border:1px solid var(--line);border-left:4px solid var(--teal2);border-radius:14px;padding:18px 22px;font-size:17.5px}
.answer b{font-family:var(--F);display:block;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--teal);margin-bottom:6px}
.table{width:100%;border-collapse:collapse;font-size:15.5px;background:var(--white);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.table th,.table td{text-align:left;padding:12px 16px;border-bottom:1px solid #E6F3F3;vertical-align:top}
.table th{font-family:var(--F);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--mist2);background:#F2FBFB}
.table td:first-child{font-weight:700;color:var(--ink)}
.tablewrap{overflow-x:auto;-webkit-overflow-scrolling:touch}

/* Seitenleiste */
.aside{position:sticky;top:96px;display:grid;gap:16px}
.box{background:var(--white);border:1px solid var(--line);border-radius:20px;padding:22px}
.box h3{font-size:14px;letter-spacing:.14em;text-transform:uppercase;color:var(--teal);margin-bottom:12px}
.box ul{list-style:none;display:grid;gap:9px;font-size:15px;color:var(--g2)}
.box li{padding-left:18px;position:relative}
.box li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;background:var(--teal2)}
.box a{color:var(--teal);font-weight:700;text-decoration:none}
.box.dk{background:var(--ink);border-color:var(--ink);color:var(--soft)}
.box.dk h3{color:var(--lime)}
.box.dk p{color:#C3D7D8;font-size:15px;margin-bottom:16px}
.box.dk .btn{width:100%;justify-content:center;padding:14px 18px}
@media(max-width:980px){.aside{position:static}}

/* Karten */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px;margin-top:36px}
.card{background:var(--white);border:1px solid var(--line);border-radius:20px;padding:24px;display:flex;flex-direction:column;gap:10px;text-decoration:none;transition:transform .25s,box-shadow .25s}
a.card:hover{transform:translateY(-3px);box-shadow:0 26px 46px -34px rgba(10,107,110,.6)}
.card .k{font-family:var(--F);font-size:11px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--teal)}
.card h3{font-size:20px}
.card p{font-size:15.5px;color:var(--g2);flex:1}
.card .go{font-family:var(--F);font-weight:700;font-size:14px;color:var(--teal)}
.dark .card{background:var(--ink3);border-color:var(--lined)}
.dark .card h3{color:var(--soft)}.dark .card p{color:#B6CBCC}.dark .card .k,.dark .card .go{color:var(--lime)}

/* Skalen des Radars */
.scales{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:12px;margin-top:8px}
.scale{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:16px 18px}
.scale b{font-family:var(--F);display:block;font-size:15.5px;margin-bottom:4px}
.scale span{font-size:14.5px;color:var(--g2);line-height:1.5;display:block}
.scale.anchor{background:#F0FCF4;border-color:#C8EFD3}

/* Ablauf */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-top:36px;list-style:none;counter-reset:s}
.steps li{position:relative;background:var(--ink3);border:1px solid var(--lined);border-radius:20px;padding:24px 22px 22px;counter-increment:s}
.steps li::before{content:counter(s,decimal-leading-zero);font-family:var(--F);font-weight:900;font-size:40px;line-height:1;letter-spacing:-.04em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;display:block;margin-bottom:14px}
.steps h3{font-size:18px;color:var(--soft);margin-bottom:6px}
.steps p{font-size:15px;color:#B6CBCC}

/* FAQ */
.faq .cols{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(32px,6vw,88px)}
.faq details{border-bottom:1px solid var(--line);padding:18px 0}
.faq summary{font-family:var(--F);font-weight:700;font-size:17px;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:0 0 22px;height:22px;border-radius:50%;-webkit-mask:linear-gradient(#000 0 0) center/10px 2px no-repeat,linear-gradient(#000 0 0) center/2px 10px no-repeat;mask:linear-gradient(#000 0 0) center/10px 2px no-repeat,linear-gradient(#000 0 0) center/2px 10px no-repeat;background-color:var(--teal);transition:transform .25s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--g2);margin-top:12px;max-width:66ch}
@media(max-width:860px){.faq .cols{grid-template-columns:1fr}}

/* Referenz, Video */
.ref .row{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,72px);align-items:center}
.big{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:30px 0 8px}
.big b{display:block;font-family:var(--F);font-weight:900;font-size:clamp(40px,5vw,64px);letter-spacing:-.04em;line-height:1}
.big span{font-size:14px;color:var(--mist);display:block;margin-top:8px;line-height:1.35}
.vid{position:relative;border-radius:24px;overflow:hidden;background:radial-gradient(circle at 30% 30%,#15413F,#0B1B1A);aspect-ratio:16/10;border:1px solid var(--lined)}
.vid video{width:100%;height:100%;object-fit:cover}
.vidcap{font-size:13.5px;color:var(--mist);margin-top:12px}
@media(max-width:900px){.ref .row{grid-template-columns:1fr}}

/* Autor */
.author{display:grid;grid-template-columns:96px 1fr;gap:20px;align-items:center;background:var(--white);border:1px solid var(--line);border-radius:22px;padding:22px;margin-top:56px;max-width:70ch}
.author img{width:96px;height:96px;border-radius:50%;object-fit:cover}
.author b{font-family:var(--F);display:block;font-size:17px}
.author p{font-size:15px;color:var(--g2);margin-top:4px}
.author a{color:var(--teal);font-weight:700;text-decoration:none}
@media(max-width:520px){.author{grid-template-columns:1fr}}

/* Abschluss */
.final{position:relative;overflow:hidden}
.final::after{content:"";position:absolute;right:-12%;bottom:-40%;width:700px;height:700px;background:radial-gradient(closest-side,rgba(141,250,162,.13),transparent 70%);pointer-events:none}
.final h2{font-size:clamp(32px,4.8vw,62px);font-weight:900;letter-spacing:-.03em;line-height:1.02;max-width:18ch;margin-bottom:22px}
.final .row{display:flex;flex-wrap:wrap;gap:24px 48px;align-items:flex-end;justify-content:space-between;position:relative;z-index:1}
.final .ctas{display:flex;flex-wrap:wrap;gap:12px}
.final .contact{margin-top:30px;font-size:15px;color:var(--mist);position:relative;z-index:1}
.final .contact a{color:var(--lime);text-decoration:none;font-weight:700}

/* Footer */
footer{background:#070909;color:#7F9596;font-size:14px;padding-block:56px calc(28px + env(safe-area-inset-bottom,0px))}
footer .fcols{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:32px}
footer h4{font-family:var(--F);font-size:11.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--soft);margin-bottom:14px}
footer ul{list-style:none;display:grid;gap:8px}
footer a{color:#B5CACB;text-decoration:none}
footer a:hover{color:var(--lime)}
footer .fl svg{height:28px;width:auto;margin-bottom:14px}
footer .fl g{fill:var(--soft)}
footer .legal{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;border-top:1px solid #1A2221;margin-top:40px;padding-top:22px}
footer .legal a{margin-right:16px}
@media(max-width:860px){footer .fcols{grid-template-columns:1fr 1fr}}
@media(max-width:480px){footer .fcols{grid-template-columns:1fr}}

@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}