/* Tagungshotel buchen – gemeinsames Stylesheet. Schriften liegen auf dem eigenen Server. */
@font-face{font-family:"Familjen Grotesk";font-weight:600;font-display:swap;src:url(fonts/familjen-grotesk-latin-600-normal.woff2) format("woff2")}
@font-face{font-family:"Familjen Grotesk";font-weight:700;font-display:swap;src:url(fonts/familjen-grotesk-latin-700-normal.woff2) format("woff2")}
@font-face{font-family:"Public Sans";font-weight:400;font-display:swap;src:url(fonts/public-sans-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"Public Sans";font-weight:500;font-display:swap;src:url(fonts/public-sans-latin-500-normal.woff2) format("woff2")}
@font-face{font-family:"Public Sans";font-weight:600;font-display:swap;src:url(fonts/public-sans-latin-600-normal.woff2) format("woff2")}

:root{
  --bg:#F6F7F5; --surface:#FFFFFF; --fg:#0F2433; --muted:#4A5B68; --line:#D5DCE0; --soft:#E9EEEF;
  --teal:#0E5A62; --teal-ink:#FFFFFF; --signal:#F2B705; --signal-ink:#1A1400;
  --dark:#0F2433; --dark-2:#183548; --dark-fg:#EAF1F3; --dark-muted:#A5BBC6; --dark-line:#2C4A5D;
  --err:#B3261E; --ok:#1C7A4B;
  --display:"Familjen Grotesk","Segoe UI",system-ui,sans-serif;
  --body:"Public Sans","Segoe UI",system-ui,sans-serif;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0B1822; --surface:#122533; --fg:#E8EFF2; --muted:#9FB3BE; --line:#27414F; --soft:#0F202C;
  --teal:#6FC7CF; --teal-ink:#06262A; --dark:#08131B; --dark-2:#0F2431; --err:#FF8A80; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0B1822; --surface:#122533; --fg:#E8EFF2; --muted:#9FB3BE; --line:#27414F; --soft:#0F202C;
  --teal:#6FC7CF; --teal-ink:#06262A; --dark:#08131B; --dark-2:#0F2431; --err:#FF8A80; color-scheme:dark}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;background:var(--bg);color:var(--fg);font:400 1.0625rem/1.65 var(--body);-webkit-font-smoothing:antialiased}
.gut{padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.wrap{max-width:1180px;margin:0 auto}
h1,h2,h3{font-family:var(--display);line-height:1.1;margin:0;text-wrap:balance;letter-spacing:-.012em}
h1{font-weight:700}
h2,h3{font-weight:600}
a{color:var(--teal);text-underline-offset:3px}
:focus-visible{outline:3px solid var(--signal);outline-offset:2px;border-radius:3px}
.skip{position:absolute;left:-9999px;top:8px;background:var(--signal);color:var(--signal-ink);padding:10px 14px;z-index:30;border-radius:6px}
.skip:focus{left:8px}
p{margin:0 0 1em}
.muted{color:var(--muted)}

/* Kopfzeile */
header.site{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--surface);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-block:12px}
.brand{font:700 1.3rem/1 var(--display);color:var(--fg);text-decoration:none;display:flex;align-items:center;gap:10px}
.brand svg{width:30px;height:30px;color:var(--teal);flex:none}
nav.main{display:flex;gap:26px;align-items:center;font-size:.97rem}
nav.main a{color:var(--fg);text-decoration:none}
nav.main a:hover{text-decoration:underline}
.btn{font:700 1.05rem var(--display);background:var(--signal);color:var(--signal-ink);border:0;border-radius:8px;padding:14px 22px;cursor:pointer;text-decoration:none;display:inline-block;text-align:center;line-height:1.2}
.btn:hover{filter:brightness(.95)}
.btn:disabled{opacity:.6;cursor:wait}
.btn.block{width:100%}
.btn.ghost{background:transparent;color:var(--teal);border:2px solid var(--teal)}
nav.main a.btn{color:var(--signal-ink);padding:10px 18px;font-size:.98rem}

/* Hero */
.hero{padding-block:56px 72px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:56px;align-items:start}
.hero h1{font-size:clamp(2.3rem,5.2vw,3.8rem);margin-bottom:20px}
.lead{font-size:1.2rem;color:var(--muted);max-width:34em}
ul.ticks{list-style:none;margin:26px 0 0;padding:0;display:grid;gap:12px}
ul.ticks li{display:grid;grid-template-columns:26px 1fr;gap:10px;align-items:start}
ul.ticks svg{width:24px;height:24px;color:var(--ok);margin-top:2px}
ul.ticks b{font-weight:600}
.cities{margin-top:28px}
.cities p{font-size:.9rem;color:var(--muted);margin:0 0 8px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font:500 .9rem var(--body);border:1px solid var(--line);background:var(--surface);color:var(--fg);padding:7px 14px;border-radius:999px;cursor:pointer}
.chip:hover{border-color:var(--teal);color:var(--teal)}

/* Formular */
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:30px;box-shadow:0 18px 40px -26px rgba(15,36,51,.45)}
.card h2{font-size:1.6rem;margin-bottom:4px}
.card .sub{color:var(--muted);font-size:.95rem;margin:0 0 18px}
form{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.grp{grid-column:1/-1;font:600 .95rem var(--display);color:var(--teal);border-top:1px solid var(--line);padding-top:14px;margin-top:4px}
.grp.first{border-top:0;padding-top:0;margin-top:0}
.f{display:flex;flex-direction:column;gap:6px;min-width:0}
.f.full{grid-column:1/-1}
.f label,.f legend{font-size:.85rem;font-weight:600}
input,select,textarea{font:inherit;color:var(--fg);background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:12px;width:100%;min-width:0}
input:focus,textarea:focus,select:focus{border-color:var(--teal);outline:none;box-shadow:0 0 0 3px color-mix(in srgb,var(--teal) 25%,transparent)}
textarea{min-height:84px;resize:vertical}
input[aria-invalid="true"]{border-color:var(--err)}
.err{color:var(--err);font-size:.82rem}
fieldset{border:0;margin:0;padding:0}
.seg{display:flex;gap:8px;flex-wrap:wrap}
.seg input{position:absolute;opacity:0;width:1px;height:1px}
.seg label{font-weight:500;font-size:.93rem;border:1px solid var(--line);border-radius:8px;padding:10px 14px;cursor:pointer;background:var(--bg)}
.seg label:hover{border-color:var(--teal)}
.seg input:checked+label{background:var(--teal);color:var(--teal-ink);border-color:var(--teal)}
.seg input:focus-visible+label{outline:3px solid var(--signal);outline-offset:2px}
.chk{display:flex;gap:10px;align-items:flex-start;font-size:.83rem;color:var(--muted);font-weight:400}
.chk input{width:auto;margin-top:3px}
.status:empty{display:none}
.status{margin-top:16px;font-size:.97rem;border-radius:8px;padding:14px 16px}
.status.ok{background:color-mix(in srgb,var(--ok) 18%,transparent)}
.status.bad{background:color-mix(in srgb,var(--err) 16%,transparent)}
.trap{position:absolute;left:-9999px}
.fine{font-size:.82rem;color:var(--muted);margin:12px 0 0}

/* Abschnitte */
section.pad{padding-block:80px}
.tint{background:var(--soft)}
.sec-head{max-width:44em;margin-bottom:36px}
.sec-head h2{font-size:clamp(1.8rem,3.6vw,2.6rem);margin-bottom:12px}
.sec-head p{color:var(--muted);margin:0}
.facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-block:1px solid var(--line);background:var(--surface)}
.facts div{padding:26px 24px;border-left:1px solid var(--line)}
.facts div:first-child{border-left:0}
.facts h3{font-size:1.15rem;margin-bottom:6px}
.facts p{margin:0;color:var(--muted);font-size:.95rem}

ol.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;counter-reset:s;border-top:2px solid var(--fg)}
ol.steps li{counter-increment:s;padding:24px 28px 8px 0}
ol.steps li::before{content:counter(s);display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--teal);color:var(--teal-ink);font:700 1rem var(--display);margin-bottom:12px}
ol.steps h3{font-size:1.3rem;margin-bottom:6px}
ol.steps p{color:var(--muted);margin:0}

/* Raumrechner */
.lab{background:var(--dark);color:var(--dark-fg);padding-block:84px}
.lab .sec-head p{color:var(--dark-muted)}
.lab-grid{display:grid;grid-template-columns:minmax(0,380px) minmax(0,1fr);gap:48px;align-items:start}
.lab .f label,.lab .f legend{color:var(--dark-fg)}
.lab input[type=number]{background:var(--dark-2);border-color:var(--dark-line);color:var(--dark-fg)}
.lab .seg label{background:var(--dark-2);border-color:var(--dark-line);color:var(--dark-fg)}
.lab .seg input:checked+label{background:var(--signal);color:var(--signal-ink);border-color:var(--signal)}
.lab input[type=range]{padding:0;accent-color:var(--signal);height:32px;background:transparent;border:0}
.lab-form{display:grid;gap:20px}
.result{border:1px solid var(--dark-line);border-radius:14px;background:var(--dark-2);padding:24px}
.result .size{font:700 clamp(2rem,4.5vw,3rem)/1 var(--display);margin-bottom:6px}
.result .size small{font:500 1rem var(--body);color:var(--dark-muted);margin-left:6px}
.result p{color:var(--dark-muted);margin:0 0 14px;font-size:.95rem}
.plan{width:100%;height:auto;display:block;border-radius:8px;background:color-mix(in srgb,var(--dark) 70%,transparent);margin-bottom:16px}
.plan .stage{fill:var(--dark-line)}
.plan .t{fill:none;stroke:var(--dark-muted);stroke-width:1.4}
.plan .c{fill:var(--signal)}
.lab .btn{margin-top:4px}

/* Inhalte */
.two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:48px}
.rule-list{list-style:none;padding:0;margin:0}
.rule-list li{padding:16px 0;border-top:1px solid var(--line)}
.rule-list li:last-child{border-bottom:1px solid var(--line)}
.rule-list b{display:block;font:600 1.1rem var(--display);margin-bottom:2px}
.rule-list span{color:var(--muted)}
.guides{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.guides a{display:block;text-decoration:none;color:var(--fg);border-top:3px solid var(--teal);padding-top:14px}
.guides a:hover h3{text-decoration:underline}
.guides h3{font-size:1.3rem;margin-bottom:8px}
.guides p{color:var(--muted);font-size:.97rem;margin:0}

/* Hotelbereich */
.hotels{background:var(--dark);color:var(--dark-fg);padding-block:84px}
.hotels .grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:start}
.hotels h2{font-size:clamp(1.8rem,3.6vw,2.6rem);margin-bottom:16px}
.hotels .lead{color:var(--dark-muted)}
.hotels ul{list-style:none;padding:0;margin:20px 0 0}
.hotels li{padding-block:12px;border-top:1px solid var(--dark-line)}
.hotels .card{background:var(--surface);color:var(--fg)}

/* FAQ */
details{border-top:1px solid var(--line);padding-block:18px}
details:last-of-type{border-bottom:1px solid var(--line)}
summary{cursor:pointer;font:600 1.12rem var(--display);list-style:none;display:flex;justify-content:space-between;gap:16px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--teal);font-size:1.4rem;line-height:1}
details[open] summary::after{content:"–"}
details p{margin:10px 0 0;color:var(--muted);max-width:46em}

.finalcta{background:var(--dark);color:var(--dark-fg);border-radius:16px;padding:48px 36px;display:grid;gap:16px;justify-items:start}
.finalcta h2{font-size:clamp(1.7rem,3.4vw,2.4rem);max-width:20em}
.finalcta p{margin:0;color:var(--dark-muted);max-width:36em}

footer.site{padding-block:56px 40px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;font-size:.93rem;color:var(--muted)}
footer.site h3{font-size:1rem;color:var(--fg);margin-bottom:8px}
footer.site a{color:var(--muted)}

/* Ratgeber-Seiten */
.article{max-width:760px;margin:0 auto;padding-block:48px 80px}
.crumbs{font-size:.88rem;color:var(--muted);margin-bottom:18px}
.crumbs a{color:var(--muted)}
.article h1{font-size:clamp(2rem,4.6vw,3rem);margin-bottom:16px}
.article h2{font-size:1.6rem;margin:2em 0 .5em}
.article h3{font-size:1.2rem;margin:1.5em 0 .4em}
.article .answer{font-size:1.15rem;border-left:4px solid var(--signal);padding:4px 0 4px 18px;margin:0 0 1.6em}
.article ul,.article ol{padding-left:1.2em;margin:0 0 1em}
.article li{margin-bottom:.4em}
.tablewrap{overflow-x:auto;margin:1.2em 0}
table{border-collapse:collapse;width:100%;min-width:560px;font-size:.97rem}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
th{font:600 .95rem var(--display);background:var(--soft)}
.callout{background:var(--soft);border-radius:12px;padding:22px 24px;margin:2em 0}
.callout h2{margin-top:0!important;font-size:1.35rem!important}
.meta{font-size:.88rem;color:var(--muted);margin-top:2.4em;border-top:1px solid var(--line);padding-top:14px}

@media (max-width:980px){
  ol.steps{grid-template-columns:minmax(0,1fr)}
  .facts{grid-template-columns:repeat(2,minmax(0,1fr))}
  .facts div:nth-child(3){border-left:0}
  .facts div:nth-child(n+3){border-top:1px solid var(--line)}
  footer.site{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:900px){
  .hero-grid,.hotels .grid,.lab-grid,.two{grid-template-columns:minmax(0,1fr);gap:36px}
  .guides{grid-template-columns:minmax(0,1fr)}
  nav.main a:not(.btn){display:none}
  section.pad,.lab,.hotels{padding-block:56px}
}
@media (max-width:560px){
  form{grid-template-columns:minmax(0,1fr)}
  .card{padding:20px}
  .facts,footer.site{grid-template-columns:minmax(0,1fr)}
  .facts div{border-left:0;border-top:1px solid var(--line)}
  .facts div:first-child{border-top:0}
  .hero{padding-block:36px 48px}
  .finalcta{padding:32px 22px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}