/* ==========================================================================
   rempel-online.de · Stylesheet
   Farben und Schriften zentral in :root. Kartenblau = --brand.
   ========================================================================== */

:root{
  --brand:#8FAFE6;        /* Visitenkarte */
  --brand-strong:#6F95DA; /* etwas kräftiger, für Linien und Hover */
  --brand-soft:#CFDCF4;   /* Balken, Flächen */
  --tint:#EAF0FB;
  --tint2:#F5F8FD;
  --ink:#16213A;          /* Überschriften und Text */
  --muted:#56637E;
  --line:#DCE3F1;
  --line-soft:#EDF1F8;
  --surface:#FFFFFF;
  --bg:#FFFFFF;
  --plan:#97A3BC;
  --good:#23824E; --good-bg:#E3F3EA;
  --warn:#B07A0C; --warn-bg:#FBF0D9;
  --bad:#BC3A33;  --bad-bg:#FBE5E3;
  --ne-bg:#EDF1F8;
  --s3:#D4B04A;           /* Vorjahr, Instandhaltung */

  --f-display:"Lexend",system-ui,sans-serif;
  --f-body:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Consolas,monospace;

  --w:1400px;
  --radius:14px;
  --shadow:0 30px 70px -40px rgba(34,57,107,.45);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 var(--f-body);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--f-display);font-weight:500;margin:0;text-wrap:balance}
p{margin:0}
.wrap{max-width:var(--w);margin:0 auto;padding-inline:24px}
@media (max-width:600px){.wrap{padding-inline:16px}}
.num{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
:focus-visible{outline:2px solid var(--brand-strong);outline-offset:2px}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:600 15px var(--f-display);text-decoration:none;
  padding:13px 22px;border-radius:10px;border:1px solid var(--brand);background:var(--brand);color:#fff;cursor:pointer;transition:transform .15s,box-shadow .15s,background .15s}
.btn:hover{background:var(--brand-strong);border-color:var(--brand-strong);transform:translateY(-1px);box-shadow:0 10px 24px -12px rgba(111,149,218,.8)}
.btn.ghost{background:#fff;color:var(--brand-strong);border-color:var(--line)}
.btn.ghost:hover{border-color:var(--brand);background:#fff}

/* ---------- Logo (SVG-Dateien in img/) ---------- */
.logo{display:inline-flex;flex-direction:column;align-items:center;gap:5px;text-decoration:none}
.logo img{height:32px;width:auto;display:block}
.logo small{font:300 12px/1 var(--f-display);letter-spacing:.04em;color:var(--brand-strong);white-space:nowrap}

/* ---------- Kopfzeile ---------- */
.site-head{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.88);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:border-color .2s}
.site-head.scrolled{border-bottom-color:var(--line)}
.site-head .wrap{display:flex;align-items:center;gap:32px;height:76px}
.site-nav{display:flex;gap:28px;margin-left:auto;font:400 15px var(--f-display)}
.site-nav a{text-decoration:none;color:var(--ink);padding:6px 0;border-bottom:2px solid transparent}
.site-nav a:hover{border-bottom-color:var(--brand)}
.menu-btn{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:8px;width:42px;height:42px;cursor:pointer;color:var(--ink)}
@media (max-width:960px){
  .site-nav{display:none;position:absolute;top:76px;left:0;right:0;background:#fff;flex-direction:column;gap:0;padding:8px 16px 16px;border-bottom:1px solid var(--line)}
  .site-nav.open{display:flex}
  .site-nav a{padding:12px 0;border-bottom:1px solid var(--line-soft)}
  .menu-btn{display:grid;place-items:center}
  .site-head .head-cta{display:none}
}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,var(--tint) 0%,#fff 100%);padding:72px 0 88px}
.hero::after{content:"";position:absolute;right:-200px;top:-200px;width:760px;height:760px;border-radius:50%;background:var(--brand);opacity:.28;pointer-events:none}
.hero .wrap{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:56px;align-items:center}
.eyebrow{font:500 13px var(--f-display);letter-spacing:.14em;text-transform:uppercase;color:var(--brand-strong)}
.hero h1{hyphens:auto;font-size:clamp(32px,3.3vw,48px);line-height:1.08;margin:16px 0 22px}
.hero h1 em{font-style:normal;color:var(--brand);font-weight:400}
.hero .lead{color:var(--muted);font-size:19px;max-width:34em;margin-bottom:30px}
.hero .btns{display:flex;gap:14px;flex-wrap:wrap}
.trust{display:flex;gap:28px;flex-wrap:wrap;margin-top:36px;font-size:14px;color:var(--muted)}
.trust b{display:block;font:500 24px var(--f-display);color:var(--ink)}
@media (max-width:960px){.hero .wrap{grid-template-columns:minmax(0,1fr)}.hero{padding-top:48px}}

.hero .app .kpis{grid-template-columns:repeat(3,minmax(0,1fr))}
.hero .app .kpi .v{font-size:22px}
@media (max-width:560px){.hero .app .kpis{grid-template-columns:minmax(0,1fr)}}

/* ---------- Abschnitte ---------- */
section{padding:96px 0}
@media (max-width:700px){section{padding:64px 0}}
.sec-head{display:grid;gap:10px;margin-bottom:44px;max-width:760px}
.sec-head h2{font-size:clamp(28px,3.2vw,38px);line-height:1.15}
.sec-head p{color:var(--muted)}
.sec-head.wide{max-width:1120px}
.sec-head.wide h2{text-wrap:wrap}
.alt{background:var(--tint2)}

/* Probleme */
.probs{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px}
.prob{border-top:3px solid var(--brand);padding-top:16px}
.prob h3{font-size:17px;margin-bottom:6px}
.prob p{font-size:14.5px;color:var(--muted)}
@media (max-width:1000px){.probs{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.probs{grid-template-columns:minmax(0,1fr)}}
.probs-end{margin-top:36px;font:500 20px var(--f-display);color:var(--brand-strong)}

/* Leistungen */
.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
@media (max-width:1000px){.cards{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.cards{grid-template-columns:minmax(0,1fr)}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;transition:transform .2s,box-shadow .2s,border-color .2s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--brand-soft)}
.card .ic{width:42px;height:42px;border-radius:10px;background:var(--tint);color:var(--brand-strong);display:grid;place-items:center;margin-bottom:14px}
.card h3{font-size:18px;margin-bottom:8px}
.card p{font-size:14.5px;color:var(--muted)}
.card.main{border:2px solid var(--brand);padding:21px}
.card.main .ic{background:var(--brand);color:#fff}
.note{margin-top:28px;color:var(--muted);font-size:15px}

/* Beispiele (Reiter) */
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}
.tab{appearance:none;font:500 14px var(--f-display);padding:9px 16px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;transition:background .15s,border-color .15s}
.tab:hover{border-color:var(--brand)}
.tab[aria-selected="true"]{background:var(--brand);border-color:var(--brand);color:#fff}
.tab-intro{display:grid;gap:4px;margin-bottom:16px;max-width:760px}
.tab-intro h3{font-size:22px}
.tab-intro p{color:var(--muted);font-size:15.5px}
.demo-note{margin-top:16px;font-size:13px;color:var(--muted)}

/* Drilldown */
.drill .wrap{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:56px;align-items:center}
@media (max-width:960px){.drill .wrap{grid-template-columns:minmax(0,1fr)}}

/* Vorher / Nachher */
.vn{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.vn-row{display:grid;grid-template-columns:1fr 1fr}
.vn-row>div{padding:15px 22px;border-bottom:1px solid var(--line);font-size:15.5px}
.vn-row:last-child>div{border-bottom:0}
.vn-row>div+div{border-left:1px solid var(--line);font-weight:500}
.vn-row>div+div::before{content:"✓ ";color:var(--good)}
.vn-row.h>div{font:500 13px var(--f-display);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);background:var(--tint2)}
.vn-row.h>div+div::before{content:""}
.vn-row>div:first-child{color:var(--muted)}
@media (max-width:640px){.vn-row{grid-template-columns:1fr}.vn-row>div+div{border-left:0}.vn-row.h{display:none}.vn-row>div:first-child{border-bottom:0;padding-bottom:0;text-decoration:line-through;text-decoration-color:var(--plan)}}

/* Ablauf */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;list-style:none;margin:0;padding:0}
.step{position:relative;padding-top:58px}
.step .no{position:absolute;top:0;left:0;width:42px;height:42px;border-radius:50%;background:var(--brand);color:#fff;font:500 18px var(--f-display);display:grid;place-items:center;z-index:1}
.step .bar{position:absolute;top:20px;left:54px;right:-12px;height:2px;background:var(--line);overflow:hidden}
.step .bar i{display:block;height:100%;width:100%;background:var(--brand);transform-origin:left;transform:scaleX(1)}
.step:last-child .bar{display:none}
.step h3{font-size:18px;margin-bottom:6px}
.step p{font-size:14.5px;color:var(--muted)}
.steps-note{margin-top:32px;color:var(--muted);font-size:15px;max-width:760px}
@media (max-width:900px){.steps{grid-template-columns:repeat(2,minmax(0,1fr))}.step .bar{display:none}}
@media (max-width:520px){.steps{grid-template-columns:minmax(0,1fr)}}

/* Über uns */
.about .wrap{display:grid;grid-template-columns:360px minmax(0,1fr);gap:64px;align-items:center}
.photo{aspect-ratio:6/7;max-width:100%;border-radius:18px;background:linear-gradient(160deg,#B5CBF0,var(--brand));display:grid;place-items:center;color:#fff;font:400 15px var(--f-display);text-align:center;overflow:hidden}
.photo img{width:100%;height:100%;object-fit:cover}
.about p{color:var(--muted);margin-bottom:14px}
.motto-logo{height:96px;width:auto;margin-top:16px}
@media (max-width:860px){.about .wrap{grid-template-columns:minmax(0,1fr)}.photo{max-width:360px}}

/* Region */
.region{background:var(--brand)}
.region .wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center}
.region .eyebrow{color:#fff}
.region h2{color:#fff;font-size:clamp(28px,3.2vw,38px);margin:10px 0 14px}
.region p{color:var(--ink)}
.towns{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 0;padding:0;list-style:none}
.towns li{background:rgba(255,255,255,.4);border-radius:999px;padding:4px 12px;font-size:13.5px;color:var(--ink)}
.map{width:100%;height:auto}
.map text{font-family:var(--f-display)}
@media (max-width:860px){.region .wrap{grid-template-columns:minmax(0,1fr)}}

/* FAQ */
.faq{display:grid;grid-template-columns:1fr 1fr;gap:0 40px}
.faq details{border-bottom:1px solid var(--line);padding:4px 0}
.faq summary{cursor:pointer;list-style:none;font:500 17px var(--f-display);padding:14px 30px 14px 0;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:12px;font:400 22px var(--f-mono);color:var(--brand-strong);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--muted);font-size:15px;padding:0 0 16px}
@media (max-width:760px){.faq{grid-template-columns:1fr}}

/* Kontakt */
.contact{background:var(--tint)}
.contact .wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px}
.direct{display:grid;gap:16px;margin-top:28px}
.direct a{text-decoration:none}
.direct b{display:block;font:500 20px var(--f-display);color:var(--ink)}
.direct span{color:var(--muted);font-size:14.5px}
.form{background:#fff;border-radius:16px;padding:28px;display:grid;grid-template-columns:1fr 1fr;gap:14px;box-shadow:var(--shadow)}
.form label{display:grid;gap:4px;font-size:13px;color:var(--muted)}
.form input,.form select,.form textarea{font:15px var(--f-body);color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:10px 12px;background:#fff;min-width:0;width:100%}
.form textarea{min-height:110px;resize:vertical}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--brand);outline-offset:0;border-color:var(--brand)}
.form .full{grid-column:1/-1}
.form .hp{position:absolute;left:-9999px}
.form .consent{display:flex;gap:10px;align-items:flex-start;font-size:13px}
.form .consent input{width:auto;margin-top:3px}
.form-msg{min-height:1.4em;font-size:14px}
.form-msg.ok{color:var(--good)} .form-msg.err{color:var(--bad)}
@media (max-width:860px){.contact .wrap{grid-template-columns:minmax(0,1fr)}}
@media (max-width:520px){.form{grid-template-columns:1fr;padding:20px}}

/* Fußzeile */
.site-foot{background:var(--brand);color:var(--ink);padding:30px 0;font-size:14px}
.site-foot .wrap{display:flex;align-items:center;gap:24px;flex-wrap:wrap}
.site-foot .logo{color:#fff}
.site-foot .logo img{height:28px}
.site-foot .logo small{color:#fff}
.site-foot a{text-decoration:none}
.site-foot a:hover{text-decoration:underline}
.site-foot .copy{margin-left:auto}

/* Unterseiten (Impressum, Datenschutz) */
.page{padding:64px 0 96px}
.page .wrap{max-width:820px}
.page h1{font-size:38px;margin-bottom:24px}
.page h2{font-size:22px;margin:32px 0 10px}
.page p{margin-bottom:12px;color:var(--muted)}
.todo{background:var(--warn-bg);color:var(--warn);border-radius:10px;padding:14px 18px;font-size:15px;margin-bottom:24px}

/* ---------- KI im Cockpit ---------- */
.ask{background:var(--brand);position:relative;overflow:hidden}
.ask::before{content:"";position:absolute;left:-160px;bottom:-220px;width:520px;height:520px;border-radius:50%;background:#fff;opacity:.12;pointer-events:none}
.ask .wrap{position:relative;display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:56px;align-items:center}
@media (max-width:960px){.ask .wrap{grid-template-columns:minmax(0,1fr)}}
.badge{display:inline-block;background:#fff;color:var(--brand-strong);font:600 12.5px var(--f-display);letter-spacing:.08em;text-transform:uppercase;padding:5px 12px;border-radius:999px}
.ask h2{color:#fff;font-size:clamp(34px,4.4vw,52px);line-height:1.08;margin:18px 0 18px}
.ask-lead{color:var(--ink);font-size:18.5px;margin-bottom:24px;max-width:34em}
.ask-points{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.ask-points li{color:var(--ink);padding-left:30px;position:relative}
.ask-points li::before{content:"✓";position:absolute;left:0;top:0;width:20px;height:20px;border-radius:50%;background:#fff;color:var(--brand-strong);font-size:12px;font-weight:700;display:grid;place-items:center;margin-top:3px}
.ask-points b{font-weight:600}
.ask-app{box-shadow:0 40px 80px -40px rgba(22,33,58,.55)}
.ask-q{display:flex;flex-direction:column;gap:8px}
.ask-q .q{appearance:none;text-align:left;font:500 14.5px var(--f-display);color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 14px;cursor:pointer;transition:border-color .15s,background .15s}
.ask-q .q:hover{border-color:var(--brand)}
.ask-q .q[aria-pressed="true"]{background:var(--tint);border-color:var(--brand)}
.chat{display:grid;gap:10px;min-height:270px;align-content:start}
.msg{border-radius:14px;padding:12px 14px;font-size:15px;line-height:1.55}
.msg.me{justify-self:end;max-width:85%;background:var(--brand);color:#fff;border-bottom-right-radius:4px;font-weight:500}
.msg.ai{background:var(--tint2);border:1px solid var(--line);border-bottom-left-radius:4px}
.msg .who{display:block;font:600 11.5px var(--f-display);letter-spacing:.08em;text-transform:uppercase;color:var(--brand-strong);margin-bottom:4px}
.msg b{font-weight:600}
.typing::after{content:"▍";color:var(--brand-strong);animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.dots span{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--brand);margin-right:4px;animation:dot 1s infinite}
.dots span:nth-child(2){animation-delay:.15s}.dots span:nth-child(3){animation-delay:.3s}
@keyframes dot{50%{opacity:.25;transform:translateY(-3px)}}
.refs{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.refs a{font:500 12px var(--f-mono);text-decoration:none;color:var(--brand-strong);background:#fff;border:1px solid var(--brand-soft);border-radius:6px;padding:3px 8px}
.refs a:hover{border-color:var(--brand)}


/* KI-Anwendungen */
.ki-groups{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
@media (max-width:960px){.ki-groups{grid-template-columns:minmax(0,1fr)}}
.ki-group{display:grid;gap:12px;align-content:start}
.ki-gh{font-size:14px;letter-spacing:.12em;text-transform:uppercase;color:var(--brand-strong);padding-bottom:10px;border-bottom:2px solid var(--brand)}
.ki{border:1px solid var(--line);border-radius:12px;padding:16px 18px;background:#fff;transition:border-color .2s,transform .2s}
.ki:hover{border-color:var(--brand-soft);transform:translateY(-2px)}
.ki h4{font:500 16.5px var(--f-display);margin:0 0 6px}
.ki p{font-size:14.5px;color:var(--muted)}
.live-tag{display:inline-block;vertical-align:2px;margin-left:6px;font:600 11px var(--f-display);color:var(--good);background:var(--good-bg);border-radius:999px;padding:2px 8px;letter-spacing:.02em}

/* ---------- Einblenden beim Scrollen ---------- */
/* Ohne JavaScript ist alles sichtbar. main.js setzt .reveal nur auf Elemente unterhalb des Sichtbereichs. */
@media (prefers-reduced-motion:no-preference){
  .reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
  .reveal.in{opacity:1;transform:none}
  .step.reveal .bar i{transform:scaleX(0);transition:transform .8s ease .3s}
  .step.reveal.in .bar i{transform:scaleX(1)}
  .step.reveal:nth-child(2){transition-delay:.15s}
  .step.reveal:nth-child(3){transition-delay:.3s}
  .step.reveal:nth-child(4){transition-delay:.45s}
  .cards .card.reveal:nth-child(4n+2){transition-delay:.08s}
  .cards .card.reveal:nth-child(4n+3){transition-delay:.16s}
  .cards .card.reveal:nth-child(4n+4){transition-delay:.24s}
}