/* IT-Ampel Webseite. Hell und dunkel. Keine externen Ressourcen, keine Inline-Styles (CSP). */
:root{
  --bg:#F4F6FA;--surface:#FFFFFF;--surface-2:#EAEFF7;--ink:#14213D;--muted:#4A5873;--line:#D5DBE5;
  --accent:#2457D6;--accent-ink:#FFFFFF;--navy:#14213D;
  --red:#C8402F;--amber:#E0A100;--green:#1F9D6B;
  --ok:#17794F;--ok-bg:#DFF3E9;--warn:#8A5A00;--warn-bg:#FBEBC4;--bad:#A8301F;--bad-bg:#F9DDD8;
  --radius:14px;--shadow:0 1px 2px rgba(20,33,61,.06),0 10px 28px rgba(20,33,61,.07);
  box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0C1322;--surface:#141E36;--surface-2:#1A2644;--ink:#EAF0FF;--muted:#A8B5D1;--line:#2A3858;
  --accent:#7DA2FF;--accent-ink:#0C1322;--navy:#EAF0FF;
  --ok:#6FD3A3;--ok-bg:#12382B;--warn:#F3C766;--warn-bg:#3D3010;--bad:#FF9C8A;--bad-bg:#43191A;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 28px rgba(0,0,0,.25);}}
:root[data-theme="dark"]{
  --bg:#0C1322;--surface:#141E36;--surface-2:#1A2644;--ink:#EAF0FF;--muted:#A8B5D1;--line:#2A3858;
  --accent:#7DA2FF;--accent-ink:#0C1322;--navy:#EAF0FF;
  --ok:#6FD3A3;--ok-bg:#12382B;--warn:#F3C766;--warn-bg:#3D3010;--bad:#FF9C8A;--bad-bg:#43191A;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 28px rgba(0,0,0,.25);}

html{height:100%;scroll-padding-top:calc(env(safe-area-inset-top,0px) + 72px);scroll-behavior:smooth}
*,*::before,*::after{box-sizing:inherit}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 system-ui,"Segoe UI",Roboto,Arial,sans-serif;-webkit-text-size-adjust:100%}
h1,h2,h3{font-family:Bahnschrift,"Segoe UI Semibold","Arial Narrow",system-ui,sans-serif;line-height:1.12;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(2.5rem,7.5vw,4.4rem);font-weight:700;letter-spacing:-.02em}
h2{font-size:clamp(1.7rem,4.4vw,2.4rem)}
h3{font-size:1.2rem}
p{margin:0 0 1em;max-width:64ch}
a{color:var(--accent)}
a:focus-visible,.btn:focus-visible,summary:focus-visible,button:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:6px}
.wrap{max-width:1120px;margin:0 auto;padding:0 22px}
.small{font-size:.9rem;color:var(--muted)}
.sprite{position:absolute;width:0;height:0;overflow:hidden}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* Kopfzeile */
.topbar{position:sticky;top:0;z-index:20;background:var(--bg);background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid transparent}
.top{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 0;flex-wrap:wrap}
.brand{font-family:Bahnschrift,"Segoe UI Semibold",system-ui,sans-serif;font-weight:700;font-size:1.35rem;text-decoration:none;color:var(--ink);display:inline-flex;align-items:center;gap:10px}
.brand svg{height:36px;width:auto}.brand svg rect{fill:var(--ink)}.brand em{font-style:normal;color:var(--accent)}
.mainnav{display:flex;align-items:center;gap:4px}
.mainnav a,nav>a{color:var(--muted);text-decoration:none;font-size:.95rem;padding:8px 12px;border-radius:8px}
.mainnav a:hover,nav>a:hover{color:var(--ink);background:var(--surface-2)}
.mainnav a.cta{background:var(--accent);color:var(--accent-ink);font-weight:600;margin-left:6px}
.mainnav a.cta:hover{filter:brightness(1.08);background:var(--accent);color:var(--accent-ink)}
.mobilemenu{display:none;position:relative}
.mobilemenu summary{list-style:none;cursor:pointer;padding:8px 14px;border:1px solid var(--line);border-radius:10px;font-weight:600;background:var(--surface)}
.mobilemenu summary::-webkit-details-marker{display:none}
.mobilemenu .links{position:absolute;right:0;top:calc(100% + 8px);min-width:220px;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:8px;display:grid}
.mobilemenu .links a{padding:11px 12px;text-decoration:none;color:var(--ink);border-radius:8px}
.mobilemenu .links a:hover{background:var(--surface-2)}

/* Buttons */
.btn{display:inline-block;background:var(--accent);color:var(--accent-ink);padding:14px 24px;border-radius:10px;font-weight:600;text-decoration:none;border:0;cursor:pointer;font:inherit;font-weight:600;line-height:1.3}
.btn:hover{filter:brightness(1.08)}
.btn.alt{background:transparent;color:var(--ink);border:2px solid var(--line)}
.btn.alt:hover{border-color:var(--accent);filter:none}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}

/* Bänder */
.band{padding:84px 0}
.band.alt{background:var(--surface-2)}
.eyebrow{display:inline-block;font-size:.85rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:10px}
.lead{font-size:1.18rem;color:var(--muted);max-width:60ch}
.sechead{margin-bottom:34px}
.sechead-sub{margin:46px 0 16px;font-size:1.3rem}
.faqlist{max-width:860px}

/* Hero */
.herowrap{position:relative;overflow:hidden;background-color:var(--bg);background:
  radial-gradient(900px 420px at 88% 8%,color-mix(in srgb,var(--green) 16%,transparent),transparent 70%),
  radial-gradient(700px 360px at 72% 90%,color-mix(in srgb,var(--amber) 12%,transparent),transparent 70%),
  radial-gradient(600px 320px at 8% 0%,color-mix(in srgb,var(--red) 9%,transparent),transparent 70%),var(--bg)}
.herowrap::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:44px 44px;opacity:.28;-webkit-mask-image:linear-gradient(180deg,#000,transparent 85%);mask-image:linear-gradient(180deg,#000,transparent 85%);pointer-events:none}
.hero{position:relative;display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center;padding:64px 22px 84px}
.hero h1 .g{color:var(--green)}
.hero .lead{margin-bottom:26px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px;padding:0;list-style:none}
.chips li{font-size:.88rem;padding:6px 12px;border:1px solid var(--line);border-radius:99px;background:var(--surface);background:color-mix(in srgb,var(--surface) 80%,transparent);color:var(--muted)}
.tlpanel{display:grid;place-items:center}
.tl{width:min(260px,62vw);height:auto;filter:drop-shadow(0 24px 40px rgba(20,33,61,.28))}
.tl .housing{fill:#14213D}
.tl .lamp{opacity:.16}
.tl .halo{opacity:0;filter:blur(0)}
.tl .red,.tl .redh{animation:lrot 8s infinite}
.tl .amber,.tl .amberh{animation:lgelb 8s infinite}
.tl .green,.tl .greenh{animation:lgruen 8s infinite}
.tl .halo{opacity:.0}
.tl .redh{animation-name:hrot}.tl .amberh{animation-name:hgelb}.tl .greenh{animation-name:hgruen}
@keyframes lrot{0%,26%{opacity:1}30%,100%{opacity:.16}}
@keyframes lgelb{0%,26%{opacity:.16}30%,42%{opacity:1}46%,100%{opacity:.16}}
@keyframes lgruen{0%,42%{opacity:.16}46%,92%{opacity:1}96%,100%{opacity:.16}}
@keyframes hrot{0%,26%{opacity:.35}30%,100%{opacity:0}}
@keyframes hgelb{0%,26%{opacity:0}30%,42%{opacity:.35}46%,100%{opacity:0}}
@keyframes hgruen{0%,42%{opacity:0}46%,92%{opacity:.35}96%,100%{opacity:0}}
@media (prefers-reduced-motion:reduce){
  .tl .red,.tl .amber,.tl .redh,.tl .amberh{animation:none;opacity:.16}.tl .redh,.tl .amberh{opacity:0}
  .tl .green{animation:none;opacity:1}.tl .greenh{animation:none;opacity:.35}
  html{scroll-behavior:auto}
}

/* Vertrauensleiste */
.trust{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:-34px;position:relative;z-index:2}
.trust .item{display:flex;gap:14px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow)}
.trust b{display:block}
.trust span.t{color:var(--muted);font-size:.95rem}

/* Icons */
.icon{width:26px;height:26px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
.ico{display:grid;place-items:center;width:50px;height:50px;border-radius:13px;background:var(--surface-2);background:color-mix(in srgb,var(--accent) 13%,var(--surface));color:var(--accent);flex:none}
.ico .icon{width:26px;height:26px}

/* Karten */
.grid{display:grid;gap:18px}
.g2{grid-template-columns:1fr 1fr}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.card h3{margin:14px 0 .4em}
.card p{color:var(--muted);font-size:.97rem;margin:0}
.card.big{padding:30px}
.card.big h3{font-size:1.45rem}
.card.big p{font-size:1.02rem}
ul.plain,ul.ticks{padding:0;margin:14px 0 0;list-style:none}
ul.ticks li{position:relative;padding-left:28px;margin-bottom:.5em;color:var(--ink)}
ul.ticks li::before{content:"";position:absolute;left:0;top:.45em;width:16px;height:9px;border-left:2.5px solid var(--green);border-bottom:2.5px solid var(--green);transform:rotate(-45deg) scale(.9);transform-origin:center}
ul.plain{padding-left:1.2em;list-style:disc}
ul.plain li{margin-bottom:.4em;max-width:60ch}
.tablewrap{overflow-x:auto;max-width:100%;margin:18px 0 8px}
table{border-collapse:collapse;width:100%;min-width:520px;background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-family:Bahnschrift,"Segoe UI Semibold",system-ui,sans-serif;font-weight:600;background:var(--surface-2);background:color-mix(in srgb,var(--accent) 8%,var(--surface))}
tr:last-child td{border-bottom:0}

/* Beispielbericht */
.split{display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:center}
.report{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.report h3{font-size:1rem;color:var(--muted);font-weight:600;margin-bottom:12px}
.row{display:grid;grid-template-columns:1fr auto;gap:4px 12px;padding:12px 0;border-top:1px solid var(--line)}
.row:first-of-type{border-top:0}
.row b{font-weight:600}
.row span.note{grid-column:1/-1;color:var(--muted);font-size:.9rem}
.tag{font-size:.82rem;font-weight:700;padding:3px 10px;border-radius:99px;white-space:nowrap;align-self:start}
.tag.ok{background:var(--ok-bg);color:var(--ok)}.tag.warn{background:var(--warn-bg);color:var(--warn)}.tag.bad{background:var(--bad-bg);color:var(--bad)}
.caption{font-size:.85rem;color:var(--muted);margin:12px 0 0}

/* Ablauf */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:s;padding:0;margin:0;list-style:none}
.steps li{counter-increment:s;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.steps li::before{content:counter(s);display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--accent);color:var(--accent-ink);font-weight:700;margin-bottom:12px}
.steps b{display:block;margin-bottom:.3em}
.steps span{color:var(--muted);font-size:.95rem}

/* Selbsttest */
.test{background:var(--surface);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:30px;max-width:860px}
.progress{height:8px;background:var(--line);border-radius:99px;overflow:hidden;margin:0 0 6px}
.progress>i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--red),var(--amber),var(--green));border-radius:99px;transition:width .3s}
.progress-label{font-size:.88rem;color:var(--muted);margin:0 0 20px}
.q{border:0;padding:0;margin:0 0 26px;min-width:0}
.q legend{font-weight:600;font-size:1.06rem;line-height:1.4;padding:0;margin-bottom:4px;float:none;width:100%}
.q .hint{display:block;color:var(--muted);font-size:.92rem;margin:0 0 12px}
.opts{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.opt{position:relative;display:block}
.opt input{position:absolute;opacity:0;inset:0;width:100%;height:100%;margin:0;cursor:pointer}
.opt span{display:block;text-align:center;padding:11px 8px;border:1.5px solid var(--line);border-radius:10px;background:var(--surface);cursor:pointer;font-size:.95rem}
.opt:hover span{border-color:var(--accent)}
.opt input:checked+span{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);font-weight:600}
.opt input:focus-visible+span{outline:3px solid var(--accent);outline-offset:2px}
.test-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px}
.test-msg{color:var(--bad);font-size:.92rem;min-height:1.4em;margin:8px 0 0}
.result{display:grid;grid-template-columns:130px 1fr;gap:28px;align-items:start}
.mini{width:110px;height:auto}
.mini .housing{fill:#14213D}
.mini .lamp{opacity:.16}
.result.is-red .mini .red,.result.is-amber .mini .amber,.result.is-green .mini .green{opacity:1}
.result h3{font-size:1.7rem;margin-bottom:.3em}
.result.is-red h3{color:var(--bad)}.result.is-amber h3{color:var(--warn)}.result.is-green h3{color:var(--ok)}
.result .score{display:inline-block;font-size:.85rem;font-weight:700;padding:3px 12px;border-radius:99px;margin-bottom:12px}
.result.is-red .score{background:var(--bad-bg);color:var(--bad)}.result.is-amber .score{background:var(--warn-bg);color:var(--warn)}.result.is-green .score{background:var(--ok-bg);color:var(--ok)}
.result ol{padding-left:1.3em;margin:10px 0 16px}
.result li{margin-bottom:.6em;max-width:62ch}
.result li b{display:block}
.result .more{margin:0 0 16px}
.result .more summary{cursor:pointer;color:var(--accent);font-weight:600}
.disclaimer{font-size:.85rem;color:var(--muted);margin-top:18px}

/* FAQ */
.faq{border:1px solid var(--line);border-radius:12px;background:var(--surface);margin-bottom:10px;box-shadow:var(--shadow)}
.faq summary{cursor:pointer;padding:18px 54px 18px 20px;font-weight:600;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:1.6rem;line-height:1;color:var(--accent);transition:transform .2s}
.faq[open] summary::after{content:"\2013"}
.faq .a{padding:0 20px 18px;color:var(--muted)}
.faq .a p{margin:0 0 .7em}

/* Kontakt und Formular */
.contact{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:34px;box-shadow:var(--shadow)}
.form{display:grid;gap:16px;margin-top:8px;max-width:640px}
.form label{display:grid;gap:6px;font-weight:600;font-size:.95rem}
.form input,.form select,.form textarea{font:inherit;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:12px 14px;width:100%}
.form textarea{min-height:150px;resize:vertical}
.form input:focus,.form select:focus,.form textarea:focus{outline:3px solid var(--accent);outline-offset:1px}
.form .check{display:flex;gap:10px;align-items:flex-start;font-weight:400}
.form .check input{width:auto;margin-top:5px}
.form button.btn{justify-self:start}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* Fußzeile und Unterseiten */
footer{padding:36px 0 48px;border-top:1px solid var(--line);color:var(--muted);font-size:.92rem}
footer a{color:var(--muted)}
.legal{padding:24px 0 56px;max-width:72ch}
.legal h2{margin-top:1.6em;font-size:1.4rem}
.notice{padding:14px 16px;border-radius:8px;border:1px solid var(--line);background:var(--surface)}
.btn.small-btn{padding:10px 18px}
.stickycta{display:none}
.card.cardrow{display:flex;gap:16px;align-items:flex-start}
.card.cardrow h3{margin:0 0 .3em}

@media (max-width:980px){
  .g4{grid-template-columns:1fr 1fr}.g3{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .mainnav{display:none}.mobilemenu{display:block}
  .hero{grid-template-columns:1fr;gap:28px;padding-top:36px;padding-bottom:64px}
  .tlpanel{order:-1;justify-content:start}.tl{width:150px}
  .split{grid-template-columns:1fr}
  .trust{grid-template-columns:1fr;margin-top:-26px}
  .band{padding:60px 0}
  .opts{grid-template-columns:1fr 1fr}
  .result{grid-template-columns:1fr}.mini{width:80px}
  .test{padding:22px}.contact{padding:24px}
  .stickycta{display:block;position:fixed;left:14px;right:14px;bottom:calc(14px + env(safe-area-inset-bottom,0px));z-index:30;text-align:center;box-shadow:0 8px 24px rgba(20,33,61,.3)}
  body{padding-bottom:78px}
}
@media (max-width:620px){
  .g2,.g3,.g4{grid-template-columns:1fr}.steps{grid-template-columns:1fr}
}

/* Mehrseiten-Aufbau */
.mainnav span.current{color:var(--ink);font-size:.95rem;padding:8px 12px;border-radius:8px;background:var(--surface-2);font-weight:600}
.mainnav span.current.cta{background:var(--accent);color:var(--accent-ink)}
.mobilemenu .links span.current{padding:11px 12px;font-weight:700;color:var(--accent)}
.pagehead{padding:46px 0 26px;border-bottom:1px solid var(--line);background:var(--bg)}
.pagehead h1{font-size:clamp(2rem,5.5vw,3.2rem);margin-bottom:.35em}
.breadcrumb{font-size:.9rem;color:var(--muted);margin:0 0 16px}
.breadcrumb a{color:var(--muted)}
.breadcrumb span.sep{margin:0 8px;opacity:.6}
.pricebox{background:var(--surface);border:1px solid var(--line);border-left:6px solid var(--green);border-radius:var(--radius);padding:26px 28px;box-shadow:var(--shadow)}
.pricebox h3{margin:0 0 .3em}
.pricebox ul.ticks{margin-top:10px}
.ctaband{background:var(--navy);color:var(--bg);padding:52px 0}
.ctaband h2{color:var(--bg);margin-bottom:.3em}
.ctaband p{color:color-mix(in srgb,var(--bg) 80%,transparent);max-width:60ch}
.ctaband .btn{background:var(--bg);color:var(--navy)}
.footgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px}
.footgrid h3{font-size:1rem;margin-bottom:.6em;color:var(--ink)}
.footgrid ul{list-style:none;margin:0;padding:0}
.footgrid li{margin-bottom:.35em}
.footbottom{margin-top:26px;padding-top:18px;border-top:1px solid var(--line)}
.linkcard{display:block;text-decoration:none;color:inherit}
.linkcard:hover{border-color:var(--accent)}
.more-link{display:inline-block;margin-top:14px;font-weight:600;text-decoration:none}
.more-link:hover{text-decoration:underline}
.teaser{display:grid;grid-template-columns:auto 1fr auto;gap:24px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:30px;box-shadow:var(--shadow)}
.teaser .mini{width:70px}
.teaser .mini .housing{fill:#14213D}
.teaser .mini .lamp{opacity:1}
@media (max-width:860px){
  .footgrid{grid-template-columns:1fr}
  .teaser{grid-template-columns:1fr;text-align:left}
  .ctaband{padding:40px 0}
}