/*
Theme Name: Treppenheld
Theme URI: https://treppenheld.de
Author: Treppenheld
Description: Maßgeschneidertes Landingpage-Theme für Treppenheld. Aufgebaut nach dem 5-Fragen-Prinzip, mit Preisrechner, Lead-Formular und integrierter SEO (Meta, Open Graph, JSON-LD). Keine Plugin-Abhängigkeiten.
Version: 1.8.0
Requires at least: 6.0
Requires PHP: 7.4
License: GNU General Public License v2 or later
Text Domain: treppenheld
*/

/* Sora lokal gehostet (DSGVO: kein Google-Fonts-Abruf) */
@font-face{font-family:'Sora';font-style:normal;font-weight:600 800;font-display:swap;src:url('fonts/sora.woff2') format('woff2')}

:root{
  --blue:#123A5C; --blue-deep:#0C2A44; --amber:#F5A623; --amber-dark:#D98C0A;
  --ink:#16222E; --grey:#5A6B78; --bg:#FFFFFF; --bg-soft:#F2F6FA;
  --radius:20px; --display:'Sora',system-ui,sans-serif;
  --body:system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}
body{font-family:var(--body);font-size:18px;line-height:1.65;color:var(--ink);background:var(--bg)}
img,svg{display:block;max-width:100%;height:auto}
a{color:inherit}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid #E4EAF0}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 20px;max-width:1100px;margin:0 auto}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand-name{font-family:var(--display);font-weight:800;font-size:22px;letter-spacing:-.5px;color:var(--blue)}
.brand-name span{color:var(--amber)}
.nav-links{display:none;gap:26px;font-size:16px}
.nav-links a{text-decoration:none;color:var(--grey);font-weight:500}
.nav-links a:hover{color:var(--blue)}
.nav-right{display:flex;align-items:center;gap:16px}
.nav-phone{display:none;text-decoration:none;font-weight:800;font-family:var(--display);color:var(--blue);font-size:17px}
.nav-phone small{display:block;font-family:var(--body);font-weight:500;font-size:12px;color:var(--grey)}
.btn{display:inline-block;font-family:var(--display);font-weight:700;text-decoration:none;text-align:center;border-radius:999px;cursor:pointer;border:none;transition:transform .15s ease, box-shadow .15s ease}
.btn:active{transform:scale(.98)}
.btn-amber{background:var(--amber);color:var(--blue-deep);padding:13px 26px;font-size:17px;box-shadow:0 4px 14px rgba(245,166,35,.35)}
.btn-amber:hover{box-shadow:0 6px 20px rgba(245,166,35,.5)}
.btn-ghost{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.45);padding:11px 24px;font-size:17px}
.btn-ghost:hover{border-color:#fff}
.nav .btn-amber{padding:10px 20px;font-size:15px}

/* Hero */
.hero{background:linear-gradient(160deg,var(--blue) 0%,var(--blue-deep) 100%);color:#fff;padding:64px 0 80px;position:relative;overflow:hidden}
.hero-grid{display:grid;gap:40px;align-items:center}
.eyebrow{display:inline-block;font-size:14px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--amber);margin-bottom:16px}
.hero h1{font-family:var(--display);font-weight:800;font-size:clamp(34px,6vw,58px);line-height:1.12;letter-spacing:-1px;margin-bottom:20px}
.hero h1 em{font-style:normal;color:var(--amber)}
.hero p{font-size:clamp(18px,2.2vw,21px);color:#C9D6E2;max-width:560px;margin-bottom:32px}
.hero-ctas{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px 26px;font-size:15px;color:#AFC1D1}
.hero-trust b{color:#fff}
.stairs-visual{justify-self:center;width:min(300px,70%)}

/* Sektionen */
.th-section{padding:72px 0}
.q-tag{display:inline-flex;align-items:center;gap:10px;background:var(--bg-soft);border:1px solid #DCE6EF;border-radius:999px;padding:7px 16px 7px 8px;font-size:14px;font-weight:700;color:var(--blue);margin-bottom:18px}
.q-tag i{font-style:normal;display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--amber);color:var(--blue-deep);font-family:var(--display);font-size:13px}
.q-tag.on-dark{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.25);color:#fff}
h2{font-family:var(--display);font-weight:800;font-size:clamp(27px,4.4vw,42px);line-height:1.15;letter-spacing:-.5px;margin-bottom:14px;color:var(--blue-deep)}
.lead{font-size:19px;color:var(--grey);max-width:680px;margin-bottom:40px}
.soft{background:var(--bg-soft)}

/* Cards */
.cards{display:grid;gap:20px;grid-template-columns:1fr}
.card{background:#fff;border:1px solid #E2EAF1;border-radius:var(--radius);padding:26px;display:flex;flex-direction:column;gap:8px;position:relative}
.card.best{border:2px solid var(--amber)}
.badge{position:absolute;top:-13px;right:20px;background:var(--amber);color:var(--blue-deep);font-size:13px;font-weight:800;padding:4px 14px;border-radius:999px}
.card h3{font-family:var(--display);font-size:20px;color:var(--blue-deep)}
.card .for{font-size:15px;color:var(--grey);min-height:44px}
.price{font-family:var(--display);font-weight:800;font-size:30px;color:var(--blue)}
.price small{font-size:15px;font-weight:600;color:var(--grey)}
.card ul{list-style:none;font-size:15.5px;color:var(--ink);display:grid;gap:7px;margin:8px 0 16px}
.card ul li{padding-left:26px;position:relative}
.card ul li::before{content:"\2713";position:absolute;left:0;color:var(--amber-dark);font-weight:800}
.card .btn{margin-top:auto}
.btn-outline{border:2px solid var(--blue);color:var(--blue);padding:11px 22px;font-size:16px;background:#fff}
.btn-outline:hover{background:var(--blue);color:#fff}
.price-note{font-size:14px;color:var(--grey);margin-top:22px}

/* Nutzen */
.benefits{display:grid;gap:18px;grid-template-columns:1fr}
.benefit{display:flex;gap:18px;align-items:flex-start;background:#fff;border:1px solid #E2EAF1;border-radius:var(--radius);padding:22px}
.benefit .ic{flex:0 0 auto;width:52px;height:52px;border-radius:14px;background:var(--bg-soft);display:grid;place-items:center;font-size:24px}
.benefit h3{font-family:var(--display);font-size:18px;color:var(--blue-deep);margin-bottom:4px}
.benefit p{font-size:16px;color:var(--grey)}

/* Vertrauen */
.trust-stats{display:grid;gap:16px;grid-template-columns:repeat(2,1fr);margin-bottom:40px}
.stat{background:var(--blue);color:#fff;border-radius:var(--radius);padding:24px 20px;text-align:center}
.stat b{display:block;font-family:var(--display);font-size:clamp(26px,4vw,36px);color:var(--amber)}
.stat span{font-size:14.5px;color:#C9D6E2}
.quotes{display:grid;gap:18px;grid-template-columns:1fr}
.quote{background:#fff;border:1px solid #E2EAF1;border-radius:var(--radius);padding:24px}
.stars{color:var(--amber);letter-spacing:2px;font-size:17px;margin-bottom:8px}
.quote p{font-size:16px;margin-bottom:12px}
.quote footer{font-size:14.5px;color:var(--grey);font-weight:600}

/* Ablauf */
.steps{display:grid;gap:0}
.step{display:flex;gap:20px;padding:22px 0;border-bottom:1px solid #E2EAF1}
.step:last-child{border-bottom:none}
.step .num{flex:0 0 auto;width:46px;height:46px;border-radius:50%;background:var(--blue);color:#fff;font-family:var(--display);font-weight:800;font-size:19px;display:grid;place-items:center}
.step h3{font-family:var(--display);font-size:18px;color:var(--blue-deep);margin-bottom:4px}
.step p{font-size:16px;color:var(--grey)}
.time-hint{margin-top:26px;background:#FFF6E3;border:1px solid #F5DFAE;border-radius:14px;padding:16px 20px;font-size:16px}

/* Preisrechner */
.form-section{background:linear-gradient(160deg,var(--blue) 0%,var(--blue-deep) 100%);color:#fff}
.form-section h2{color:#fff}
.form-section .lead{color:#C9D6E2}
.wizard{background:#fff;border-radius:24px;color:var(--ink);max-width:680px;overflow:hidden}
.wz-progress{height:8px;background:#E8EEF4}
.wz-progress i{display:block;height:100%;background:var(--amber);width:20%;transition:width .3s ease}
.wz-body{padding:28px 24px}
.wz-step{display:none}
.wz-step.active{display:block}
.wz-q{font-family:var(--display);font-weight:800;font-size:22px;color:var(--blue-deep);margin-bottom:6px}
.wz-sub{font-size:15.5px;color:var(--grey);margin-bottom:22px}
.opts{display:grid;gap:12px;grid-template-columns:1fr}
.opt{display:flex;align-items:center;gap:14px;border:2px solid #DCE6EF;border-radius:16px;padding:16px;cursor:pointer;font-size:17px;font-weight:600;background:#FAFCFE;transition:border-color .15s;font-family:var(--body);text-align:left;width:100%}
.opt:hover{border-color:var(--amber)}
.opt .em{font-size:26px}
.opt.selected{border-color:var(--blue);background:#EEF4FA}
.wz-nav{display:flex;justify-content:space-between;align-items:center;margin-top:26px;gap:12px}
.wz-back{background:none;border:none;font:inherit;font-weight:700;color:var(--grey);cursor:pointer;padding:10px}
.wz-back:hover{color:var(--blue)}
.result-box{background:var(--bg-soft);border:1.5px solid #DCE6EF;border-radius:16px;padding:20px;margin-bottom:22px}
.result-box .rng{font-family:var(--display);font-weight:800;font-size:clamp(24px,5vw,32px);color:var(--blue)}
.result-box .sub{font-size:15px;color:var(--grey)}
.result-box .zusch{margin-top:12px;padding-top:12px;border-top:1px dashed #C8D6E2;font-size:16px}
.result-box .zusch b{color:#1B7A3D}
.wizard label{font-weight:700;font-size:15.5px;display:block;margin-bottom:6px;color:var(--blue-deep)}
.wizard input[type=text],.wizard input[type=tel],.wizard textarea{width:100%;font:inherit;font-size:17px;padding:14px 16px;border:1.5px solid #CBD8E4;border-radius:12px;background:#FAFCFE;color:var(--ink)}
.wizard input:focus,.wizard textarea:focus{outline:3px solid rgba(245,166,35,.4);border-color:var(--amber)}
.fgrid{display:grid;gap:16px}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--grey);font-weight:400}
.consent input{width:auto;margin-top:4px}
.hp{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}
.success{display:none;text-align:center;padding:34px 16px}
.success .big{font-size:46px;margin-bottom:10px}
.success h3{font-family:var(--display);font-size:22px;color:var(--blue-deep);margin-bottom:8px}
.form-alt{margin-top:18px;font-size:15.5px;color:#C9D6E2}
.form-alt a{color:var(--amber);font-weight:700}
.err{display:none;background:#FDECEC;border:1px solid #F2B8B8;color:#8A1F1F;border-radius:12px;padding:12px 16px;font-size:15px;margin-top:14px}

/* FAQ */
.faq details{border:1px solid #E2EAF1;border-radius:16px;background:#fff;margin-bottom:12px}
.faq summary{cursor:pointer;list-style:none;padding:18px 52px 18px 20px;font-family:var(--display);font-weight:700;font-size:17px;color:var(--blue-deep);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:26px;color:var(--amber-dark);font-weight:400}
.faq details[open] summary::after{content:"\2013"}
.faq details .a{padding:0 20px 18px;font-size:16px;color:var(--grey)}

/* Footer */
.site-footer{background:var(--blue-deep);color:#AFC1D1;padding:44px 0 110px;font-size:15px}
.site-footer .cols{display:grid;gap:26px;grid-template-columns:1fr}
.site-footer h4{color:#fff;font-family:var(--display);font-size:16px;margin-bottom:10px}
.site-footer a{color:#AFC1D1;text-decoration:none}
.site-footer a:hover{color:#fff}
.site-footer ul{list-style:none;display:grid;gap:8px}
.legal{margin-top:30px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:8px 22px}

/* Sticky Mobile-CTA */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:60;background:#fff;border-top:1px solid #E2EAF0;padding:10px 16px;display:flex;gap:10px;box-shadow:0 -6px 24px rgba(12,42,68,.12)}
.sticky-cta .btn{flex:1;padding:14px 10px;font-size:16px}
.btn-call{background:var(--blue);color:#fff}

/* Inhaltsseiten (Impressum etc.) */
.page-content{max-width:760px;margin:0 auto;padding:60px 20px}
.page-content h1{font-family:var(--display);font-size:clamp(28px,5vw,40px);color:var(--blue-deep);margin-bottom:24px}
.page-content h2{font-size:clamp(22px,3.5vw,28px);margin-top:36px}
.page-content p, .page-content ul, .page-content ol{margin-bottom:16px}
.page-content ul, .page-content ol{padding-left:24px}

@media(min-width:700px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .benefits{grid-template-columns:repeat(2,1fr)}
  .trust-stats{grid-template-columns:repeat(4,1fr)}
  .quotes{grid-template-columns:repeat(3,1fr)}
  .opts{grid-template-columns:repeat(2,1fr)}
  .site-footer .cols{grid-template-columns:2fr 1fr 1fr 1fr}
}
@media(min-width:960px){
  .nav-links{display:flex}
  .nav-phone{display:block}
  .hero-grid{grid-template-columns:1.2fr .8fr}
  .cards{grid-template-columns:repeat(3,1fr)}
  .sticky-cta{display:none}
  .site-footer{padding-bottom:44px}
}

/* Rechtstext-Popup */
.legal-modal{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:20px}
.legal-modal[hidden]{display:none !important}
.legal-backdrop{position:absolute;inset:0;background:rgba(12,42,68,.55);backdrop-filter:blur(3px)}
.legal-box{position:relative;background:#fff;border-radius:20px;max-width:760px;width:100%;max-height:85vh;overflow-y:auto;padding:34px 28px;box-shadow:0 24px 80px rgba(0,0,0,.35)}
.legal-box h2{font-size:24px;margin-bottom:16px;padding-right:40px}
.legal-content{font-size:15.5px;color:var(--ink)}
.legal-content h2,.legal-content h3{font-size:18px;margin:22px 0 8px}
.legal-content p,.legal-content ul,.legal-content ol{margin-bottom:12px}
.legal-content ul,.legal-content ol{padding-left:22px}
.legal-close{position:sticky;top:0;float:right;background:var(--bg-soft);border:none;width:38px;height:38px;border-radius:50%;font-size:16px;cursor:pointer;color:var(--blue-deep)}
.legal-close:hover{background:var(--amber)}


/* Einbau-Galerie: horizontales Scroll-Band mit Snap */
.gallery-strip{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 20px 20px;-webkit-overflow-scrolling:touch;scrollbar-width:thin}
.gal-item{flex:0 0 78%;max-width:420px;scroll-snap-align:center;margin:0;cursor:zoom-in;position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:0 8px 26px rgba(12,42,68,.14);transition:transform .2s ease}
.gal-item:hover{transform:translateY(-4px)}
.gal-item img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block}
.gal-item figcaption{position:absolute;left:0;right:0;bottom:0;padding:26px 16px 12px;font-size:14px;font-weight:600;color:#fff;background:linear-gradient(transparent,rgba(12,42,68,.85))}
@media(min-width:700px){.gal-item{flex-basis:38%}}
@media(min-width:1100px){.gallery-strip{padding-left:calc((100vw - 1060px)/2);padding-right:calc((100vw - 1060px)/2)}.gal-item{flex-basis:31%}}

/* Lightbox */
.lightbox{position:fixed;inset:0;z-index:110;background:rgba(8,20,32,.92);display:grid;place-items:center;padding:20px}
.lightbox[hidden]{display:none !important}
.lightbox figure{margin:0;max-width:min(1000px,92vw);text-align:center}
.lightbox img{max-width:100%;max-height:78vh;border-radius:14px;object-fit:contain}
.lightbox figcaption{color:#C9D6E2;font-size:15px;margin-top:12px}
.lb-close,.lb-prev,.lb-next{position:fixed;background:rgba(255,255,255,.12);border:none;color:#fff;cursor:pointer;border-radius:50%;width:48px;height:48px;font-size:22px;display:grid;place-items:center}
.lb-close:hover,.lb-prev:hover,.lb-next:hover{background:var(--amber);color:var(--blue-deep)}
.lb-close{top:18px;right:18px}
.lb-prev{left:12px;top:50%;transform:translateY(-50%)}
.lb-next{right:12px;top:50%;transform:translateY(-50%)}

/* Ratgeber: Archiv + Teaser-Karten */
.post-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:700px){.post-grid{grid-template-columns:repeat(3,1fr)}}
.post-card{background:#fff;border:1px solid #E2EAF1;border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;gap:10px}
.post-card time{font-size:13px;color:var(--grey);font-weight:600;text-transform:uppercase;letter-spacing:.06em}
.post-card h3{font-family:var(--display);font-size:19px;line-height:1.3}
.post-card h3 a{color:var(--blue-deep);text-decoration:none}
.post-card h3 a:hover{color:var(--amber-dark)}
.post-card p{font-size:15px;color:var(--grey)}
.post-card .more{margin-top:auto;font-weight:700;color:var(--blue);text-decoration:none;font-size:15px}
.post-card .more:hover{color:var(--amber-dark)}
.archive-head{padding:56px 0 36px}
.archive-head h1{font-family:var(--display);font-weight:800;font-size:clamp(30px,5vw,44px);color:var(--blue-deep);letter-spacing:-.5px;margin-bottom:12px}
.pagination{margin-top:36px;display:flex;gap:8px;justify-content:center;font-weight:700}
.pagination .page-numbers{padding:9px 15px;border:1.5px solid #DCE6EF;border-radius:10px;text-decoration:none;color:var(--blue)}
.pagination .current{background:var(--blue);color:#fff;border-color:var(--blue)}
/* Einzelartikel */
.single-post-content{max-width:760px;margin:0 auto;padding:56px 20px}
.single-post-content h1{font-family:var(--display);font-weight:800;font-size:clamp(28px,5vw,40px);line-height:1.15;color:var(--blue-deep);letter-spacing:-.5px;margin-bottom:12px}
.single-post-content .meta{color:var(--grey);font-size:14.5px;margin-bottom:28px}
.single-post-content h2{font-size:clamp(22px,3.5vw,28px);margin:36px 0 12px}
.single-post-content h3{font-family:var(--display);font-size:19px;color:var(--blue-deep);margin:26px 0 8px}
.single-post-content p,.single-post-content ul,.single-post-content ol{margin-bottom:16px}
.single-post-content ul,.single-post-content ol{padding-left:24px}
.single-post-content table{width:100%;border-collapse:collapse;margin:18px 0;font-size:16px}
.single-post-content th,.single-post-content td{border:1px solid #E2EAF1;padding:10px 12px;text-align:left}
.single-post-content th{background:var(--bg-soft);font-family:var(--display);font-size:15px}
.post-cta{margin-top:44px;background:var(--blue);color:#fff;border-radius:var(--radius);padding:28px;text-align:center}
.post-cta h2{color:#fff;font-size:22px;margin:0 0 8px}
.post-cta p{color:#C9D6E2;margin-bottom:18px}

/* KI-Beratung: Aktivierungs-Button (Zwei-Klick vor Laden des externen Widgets) */
.ki-launch{position:fixed;right:16px;bottom:86px;z-index:9998;background:var(--blue);color:#fff;border:none;border-radius:999px;padding:13px 20px;font-family:var(--display);font-weight:700;font-size:15px;cursor:pointer;box-shadow:0 8px 26px rgba(12,42,68,.35);transition:transform .15s ease}
.ki-launch:hover{transform:translateY(-2px);background:var(--blue-deep)}
.ki-launch[hidden]{display:none !important}
@media(min-width:960px){.ki-launch{bottom:20px;right:20px}}

/* STRATO-Widget <ai-voicereceptionist>: geschlossenes Shadow DOM.
   Der Host wird per transform zum Bezugsrahmen der fixierten Blase
   im Inneren – so setzen wir sie mobil zuverlässig ÜBER die
   Sticky-Leiste, ohne ins Widget einzugreifen. */
@media(max-width:959px){
  ai-voicereceptionist{
    position:fixed;
    left:0; right:0; bottom:70px; top:auto;
    width:100vw; height:0;
    display:block;
    transform:translateZ(0);
    z-index:9997;
  }
}

/* Produktfotos in Karten (wiederhergestellt) */
.card-img{width:calc(100% + 52px);margin:-26px -26px 10px;border-radius:var(--radius) var(--radius) 0 0;aspect-ratio:16/10;object-fit:cover}
.card.best .card-img{border-radius:calc(var(--radius) - 2px) calc(var(--radius) - 2px) 0 0}
.hero-photo{border-radius:28px;box-shadow:0 20px 50px rgba(0,0,0,.3)}

/* Über uns: Text oben, Team als Kartenreihe darunter */
.about-grid{display:grid;gap:36px}
.about-text{max-width:760px}
.about-text p{margin-bottom:16px;color:var(--ink)}
.team{display:grid;gap:16px;grid-template-columns:1fr}
.member{background:var(--bg-soft);border:1px solid #E2EAF1;border-radius:var(--radius);padding:26px 20px;text-align:center}
.member img{width:104px;height:104px;border-radius:50%;object-fit:cover;display:block;margin:0 auto 14px;border:4px solid #fff;box-shadow:0 6px 18px rgba(12,42,68,.14);background:#fff}
.member-ph{width:104px;height:104px;border-radius:50%;display:grid;place-items:center;margin:0 auto 14px;background:#fff;font-size:44px;border:4px solid #fff;box-shadow:0 6px 18px rgba(12,42,68,.14)}
.member b{display:block;font-family:var(--display);font-size:17px;line-height:1.3;color:var(--blue-deep)}
.member span{display:block;font-size:14px;color:var(--grey);margin-top:4px}
@media(min-width:640px){.team{grid-template-columns:repeat(3,1fr)}}