/* =========================================================
   Sol-Living Geschäftskunden – Premium B2B Design
   Basis: gemeinsames Design-System. Akzent: ausschließlich Rot.
   ========================================================= */

:root{
  --red:#0A5BD6; --red-dark:#0844A8; --red-light:#5B9BF5; --rose:#CFE0FB; --red-tint:#EAF1FE;
  --ink:#15181F; --ink-2:#1B1F27; --ink-3:#23272F; --body:#474C54; --muted:#8A9099; --caption:#9AA0A8;
  --white:#FFFFFF; --panel:#F4F5F7; --hairline:#E6E8EC; --hairline-dark:#2C313B;
  --shadow-sm:0 1px 3px rgba(21,24,31,.06),0 1px 2px rgba(21,24,31,.04);
  --shadow:0 8px 30px rgba(21,24,31,.08);
  --shadow-lg:0 22px 60px rgba(21,24,31,.16);
  --radius:16px; --radius-lg:22px; --radius-sm:10px;
  --maxw:1180px;
  --serif:"Avenir Next","Segoe UI Variable","Segoe UI","Helvetica Neue",Arial,sans-serif;
  --sans:"Avenir Next","Segoe UI Variable","Segoe UI","Helvetica Neue",Arial,sans-serif;
  --space:clamp(64px,9vw,124px);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--sans);color:var(--body);background:var(--white);line-height:1.6;font-size:17px;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--red);text-decoration:none}a:hover{color:var(--red-dark)}
h1,h2,h3{font-family:var(--serif);color:var(--ink);line-height:1.06;font-weight:650;letter-spacing:-.035em}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.container--narrow{max-width:820px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;z-index:1000}
.skip-link:focus{left:0}
:focus-visible{outline:3px solid var(--red-light);outline-offset:2px;border-radius:4px}

/* Eyebrow */
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--red);margin-bottom:16px}
.eyebrow--light{color:var(--red-light)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:16px;line-height:1;padding:15px 26px;border-radius:999px;border:2px solid transparent;cursor:pointer;transition:.18s ease;text-align:center}
.btn--primary{background:var(--red);color:#fff;box-shadow:0 6px 18px rgba(10,91,214,.30)}
.btn--primary:hover{background:var(--red-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 26px rgba(10,91,214,.38)}
.btn--light{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.5)}
.btn--light:hover{background:#fff;color:var(--ink)}
.btn--lg{padding:18px 32px;font-size:17px}
.btn--block{width:100%}

/* Topbar + Header */
.topbar{background:var(--ink);color:#cfd2d8;font-size:13.5px}
.topbar__inner{display:flex;justify-content:space-between;align-items:center;height:40px;gap:16px;flex-wrap:wrap}
.topbar a{color:#cfd2d8;margin-right:18px}.topbar a:hover{color:#fff}
.topbar__hours{color:#9aa0a8}
.header{position:sticky;top:0;z-index:900;background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--hairline);transition:box-shadow .2s}
.header.scrolled{box-shadow:var(--shadow-sm)}
.header__inner{display:flex;align-items:center;gap:24px;height:74px}
.header__logo{display:flex;align-items:center;gap:12px}
.header__logo img{height:28px;width:auto}
.header__seg{font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#fff;background:var(--red);padding:4px 9px;border-radius:6px}
.nav{display:flex;gap:24px;margin-left:auto}
.nav a{color:var(--ink);font-weight:600;font-size:15px;position:relative;padding:4px 0}
.nav a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--red);transition:width .2s}
.nav a:hover::after{width:100%}
.header__cta{font-size:14.5px;padding:12px 20px}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px;margin-left:auto}
.nav-toggle span{width:24px;height:2px;background:var(--ink);transition:.25s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== HERO (dark premium) ===== */
.hero{position:relative;color:#fff;padding:clamp(80px,12vw,150px) 0 clamp(72px,9vw,120px);overflow:hidden;background:var(--ink)}
.hero__bg{position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(900px 500px at 78% -10%, rgba(10,91,214,.30), transparent 60%),
    radial-gradient(700px 500px at 10% 110%, rgba(10,91,214,.14), transparent 55%),
    linear-gradient(160deg,#15181F 0%,#1B1F27 60%,#23272F 100%);}
.hero__bg::after{content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:46px 46px;mask-image:radial-gradient(circle at 70% 20%,#000,transparent 75%)}
.hero__inner{position:relative;z-index:1;max-width:900px}
.hero h1{color:#fff;font-size:clamp(40px,6.6vw,76px);margin-bottom:22px;letter-spacing:-.02em}
.hero__sub{font-size:clamp(18px,2.1vw,22px);color:#c9cdd4;max-width:62ch;margin-bottom:32px;line-height:1.5}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:54px}
.hero__stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;border-top:1px solid var(--hairline-dark);padding-top:34px}
.hstat__num{display:block;font-family:var(--serif);font-weight:700;font-size:clamp(28px,3.6vw,42px);color:#fff;line-height:1}
.hstat__lbl{display:block;font-size:13px;color:var(--muted);margin-top:8px;line-height:1.4}

/* Sections */
.section{padding:var(--space) 0;position:relative}
.section--panel{background:var(--panel);background-image:url("../assets/img/chevron_wm.png");background-repeat:no-repeat;background-position:right -8px top 36px;background-size:120px}
.section--dark{background:var(--ink);color:#c9cdd4}
.section__title{font-size:clamp(28px,4vw,46px);margin-bottom:22px}
.section__title--light{color:#fff}
.section__lead{font-size:clamp(17px,1.6vw,19px);color:var(--body);max-width:72ch;margin-bottom:44px}
.section__lead--light{color:#aeb3bb}

/* Cards */
.cards{display:grid;gap:24px}
.cards--3{grid-template-columns:repeat(3,1fr)}
.cards--2x2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--hairline);border-radius:var(--radius);padding:30px 28px;box-shadow:var(--shadow-sm);transition:.2s}
.card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.card--group .card__logo{height:32px;width:auto;margin-bottom:16px}
.card--text .card__wordmark{display:inline-block;font-family:var(--serif);font-weight:700;font-size:22px;color:var(--ink);letter-spacing:.04em;margin-bottom:16px;border:2px solid var(--ink);padding:6px 12px;border-radius:8px}
.card p{font-size:15.5px}

/* Solutions */
.solution{background:#fff;border:1px solid var(--hairline);border-radius:var(--radius);padding:32px 30px;box-shadow:var(--shadow-sm);transition:.2s}
.solution:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:var(--rose)}
.solution__ic{font-size:30px;width:60px;height:60px;display:flex;align-items:center;justify-content:center;background:var(--red-tint);border-radius:14px;margin-bottom:18px}
.solution h3{font-size:22px;margin-bottom:10px}
.solution p{font-size:15.5px}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;max-width:780px;margin:0 auto}
.stat{background:#fff;border:1px solid var(--hairline);border-radius:var(--radius);padding:26px 16px;text-align:center;box-shadow:var(--shadow-sm)}
.stats--dark .stat{background:var(--ink-2);border-color:var(--hairline-dark)}
.stat__num{display:block;font-family:var(--serif);font-weight:700;font-size:clamp(24px,2.8vw,34px);color:var(--red);line-height:1}
.stats--dark .stat__num{color:#fff}
.stat__lbl{display:block;font-size:13px;color:var(--muted);margin-top:10px;line-height:1.4}

/* Badges */
.badges{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.badge{background:#fff;border:1px solid var(--hairline);border-radius:999px;padding:10px 18px;font-size:14px;font-weight:600;color:var(--ink);box-shadow:var(--shadow-sm)}
.badge::before{content:"✓";color:var(--red);font-weight:800;margin-right:8px}
.badges--dark .badge{background:var(--ink-2);border-color:var(--hairline-dark);color:#e7e9ed}

/* Leistungen */
.leistungen{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.leistung{display:flex;gap:18px;background:#fff;border:1px solid var(--hairline);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm);transition:.2s}
.leistung:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.leistung__no{flex:none;font-family:var(--serif);font-weight:700;font-size:26px;color:var(--red);line-height:1.1;min-width:44px}
.leistung h3{font-size:18px;margin-bottom:7px}
.leistung p{font-size:14.5px}
.microcopy{font-size:14px;color:var(--muted);margin-top:24px}

/* Components */
.comp-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-bottom:38px}
.comp{background:#fff;border:1px solid var(--hairline);border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow-sm);transition:.2s}
.comp:hover{box-shadow:var(--shadow)}
.comp__tag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--red);background:var(--red-tint);padding:5px 12px;border-radius:999px;margin-bottom:14px}
.comp__tag--lead{color:#fff;background:var(--ink)}
.comp h3{font-size:22px;margin-bottom:4px}
.comp__sub{font-size:14px;color:var(--muted);margin-bottom:16px}
.comp ul{list-style:none}
.comp li{position:relative;padding:7px 0 7px 26px;font-size:15px;border-bottom:1px solid var(--hairline)}
.comp li:last-child{border-bottom:0}
.comp li::before{content:"›";position:absolute;left:6px;color:var(--red);font-weight:800}
.brand-wall{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:18px}
.brand-badge{background:#fff;border:1px solid var(--hairline);border-radius:12px;padding:14px 24px;font-family:var(--serif);font-weight:700;font-size:18px;color:var(--ink);box-shadow:var(--shadow-sm)}
.brand-badge--lead{background:var(--ink);color:#fff;border-color:var(--ink)}
.logo-wall{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-bottom:14px}
.logo-wall .logo{height:30px;width:auto;max-width:160px;padding:16px 22px;background:#fff;border:1px solid var(--hairline);border-radius:12px;box-shadow:var(--shadow-sm);filter:grayscale(1);opacity:.66;transition:.2s}
.logo-wall .logo:hover{filter:none;opacity:1;transform:translateY(-2px);box-shadow:var(--shadow)}
.solution--lead{border-color:var(--rose);box-shadow:var(--shadow);position:relative}
.solution--lead::after{content:"White-Label";position:absolute;top:18px;right:18px;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#fff;background:var(--red);padding:5px 10px;border-radius:999px}
.tech-block__note{font-size:14.5px;color:var(--body);max-width:75ch}

/* Split */
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(32px,5vw,64px);align-items:center}
.split__box{background:#fff;border:1px solid var(--hairline);border-radius:var(--radius-lg);padding:36px;box-shadow:var(--shadow)}
.split__box--dark{background:var(--ink-2);border-color:var(--hairline-dark);display:flex;align-items:center;min-height:220px}
.ticks{list-style:none;margin:22px 0 28px}
.ticks li{position:relative;padding:9px 0 9px 30px;font-size:16px}
.ticks li::before{content:"✓";position:absolute;left:0;color:var(--red);font-weight:800}
.ticks--light li{color:#e7e9ed}
.quote-line{font-family:var(--serif);font-size:clamp(20px,2.6vw,28px);color:var(--ink);font-style:italic;border-left:4px solid var(--red);padding-left:22px}
.quote-line--light{color:#fff;border-color:var(--red)}

/* Steps */
.steps{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step{display:flex;gap:18px;background:#fff;border:1px solid var(--hairline);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm)}
.step__no{flex:none;width:44px;height:44px;border-radius:50%;background:var(--red);color:#fff;font-family:var(--serif);font-weight:700;font-size:20px;display:flex;align-items:center;justify-content:center}
.step h3{font-size:17px;margin-bottom:6px}
.step p{font-size:14.5px}

/* Economics */
.econ{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:30px}
.econ__card{background:#fff;border:1px solid var(--hairline);border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow-sm)}
.econ__card--accent{background:var(--red);border-color:var(--red);color:#fff}
.econ__num{display:block;font-family:var(--serif);font-weight:700;font-size:clamp(30px,3.6vw,42px);color:var(--red);line-height:1}
.econ__card--accent .econ__num{color:#fff}
.econ__unit{display:inline-block;font-family:var(--serif);font-weight:700;color:var(--muted);font-size:16px;margin-top:4px}
.econ__lbl{display:block;font-size:14px;color:var(--muted);margin-top:10px}
.econ__card--accent .econ__lbl{color:var(--rose)}
.econ-compare{display:flex;align-items:center;gap:20px;flex-wrap:wrap;background:#fff;border:1px solid var(--hairline);border-radius:var(--radius-lg);padding:28px 34px;box-shadow:var(--shadow-sm)}
.econ-compare__col{flex:1;min-width:200px}
.econ-compare__head{display:block;font-size:14px;color:var(--muted);margin-bottom:6px}
.econ-compare__big{font-family:var(--serif);font-weight:700;font-size:clamp(22px,3vw,30px);color:var(--ink)}
.econ-compare__col--accent .econ-compare__big{color:var(--red)}
.econ-compare__arrow{font-size:26px;color:var(--red);font-weight:700}
.example__disclaimer{font-size:12.5px;color:var(--caption);margin-top:18px;line-height:1.6;max-width:95ch}

/* References */
.ref-card{background:#fff;border:1px solid var(--hairline);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:.2s}
.ref-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.ref-card img{aspect-ratio:4/3;object-fit:cover;width:100%}
.ref-card__body{padding:22px}
.ref-card__loc{display:block;font-weight:700;color:var(--ink);margin-bottom:12px}
.ref-card__spec{list-style:none;font-size:14.5px}
.ref-card__spec li{padding:6px 0;border-bottom:1px solid var(--hairline)}
.ref-card__spec li:last-child{border-bottom:0}
.ref-card em{color:var(--caption);font-style:italic;font-size:12.5px}

/* Form */
.split--form{align-items:start}
.check-box{background:#fff;border:1px solid var(--hairline);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);margin-top:24px}
.check-box--dark{background:var(--ink-2);border-color:var(--hairline-dark)}
.check-box__head{font-weight:700;color:var(--ink);margin-bottom:12px}
.check-box--dark .check-box__head{color:#fff}
.check-box ul{list-style:none}
.check-box li{padding:6px 0 6px 26px;position:relative;font-size:15px}
.check-box--dark li{color:#c9cdd4}
.check-box li::before{content:"✓";position:absolute;left:0;color:var(--red);font-weight:800}
.lead-form{background:#fff;border:1px solid var(--hairline);border-radius:var(--radius-lg);padding:clamp(24px,3vw,38px);box-shadow:var(--shadow-lg);display:grid;gap:16px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.lead-form label{display:flex;flex-direction:column;gap:7px;font-size:14px;font-weight:600;color:var(--ink)}
.lead-form input,.lead-form select,.lead-form textarea{font-family:var(--sans);font-size:16px;font-weight:400;color:var(--ink);padding:13px 14px;border:1.5px solid var(--hairline);border-radius:var(--radius-sm);background:#fff;transition:.15s;width:100%}
.lead-form input:focus,.lead-form select:focus,.lead-form textarea:focus{border-color:var(--red);outline:none;box-shadow:0 0 0 3px var(--red-tint)}
.lead-form [aria-invalid="true"]{border-color:var(--red);background:var(--red-tint)}
.checkbox{flex-direction:row !important;align-items:flex-start;gap:12px;font-weight:400;font-size:14px;color:var(--body)}
.checkbox input{width:20px;height:20px;flex:none;margin-top:2px;accent-color:var(--red)}
.form-status{font-size:14.5px;font-weight:600;min-height:1.2em}
.form-status.error{color:var(--red-dark)}
.form-status.ok{color:#1a7d3c}

/* Accordion */
.accordion{display:grid;gap:12px}
.acc{background:#fff;border:1px solid var(--hairline);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}
.acc__q{width:100%;text-align:left;background:none;border:0;cursor:pointer;font-weight:700;font-size:17px;color:var(--ink);padding:20px 24px;display:flex;justify-content:space-between;align-items:center;gap:16px}
.acc__ic{flex:none;position:relative;width:18px;height:18px}
.acc__ic::before,.acc__ic::after{content:"";position:absolute;background:var(--red);border-radius:2px;transition:.25s}
.acc__ic::before{top:8px;left:0;width:18px;height:2px}
.acc__ic::after{top:0;left:8px;width:2px;height:18px}
.acc.open .acc__ic::after{transform:rotate(90deg);opacity:0}
.acc__a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.acc__a p{padding:0 24px 22px;font-size:15.5px}

/* Closing */
.closing{background:linear-gradient(135deg,var(--ink),#23272f);color:#fff;padding:var(--space) 0;text-align:center;background-image:url("../assets/img/chevron_wm.png"),linear-gradient(135deg,var(--ink),#23272f);background-repeat:no-repeat;background-position:right 6% top 30px;background-size:150px,cover;background-blend-mode:soft-light,normal}
.closing__inner{max-width:760px;margin:0 auto}
.closing h2{color:#fff;font-size:clamp(28px,4.4vw,48px);margin-bottom:20px}
.closing p{color:#c9cdd4;font-size:18px;margin-bottom:32px}

/* Footer */
.footer{background:var(--ink);color:#aeb3bb;padding:64px 0 0;font-size:15px}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:48px}
.footer__brand img{height:28px;width:auto;margin-bottom:16px;filter:brightness(0) invert(1)}
.footer__brand p{max-width:34ch;color:#9aa0a8}
.footer h3{color:#fff;font-size:14px;font-family:var(--sans);text-transform:uppercase;letter-spacing:.1em;margin-bottom:14px}
.footer__col p{margin-bottom:12px;line-height:1.7}
.footer a{color:#aeb3bb}.footer a:hover{color:#fff}
.footer__bar{border-top:1px solid #2a2e36}
.footer__bar-inner{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:20px 24px;font-size:13px;color:#7c828c}

/* Sticky mobile CTA */
.mobile-cta{position:fixed;left:0;right:0;bottom:0;z-index:800;display:none;gap:10px;padding:12px 16px calc(12px + env(safe-area-inset-bottom));background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-top:1px solid var(--hairline);box-shadow:0 -4px 20px rgba(21,24,31,.1)}
.mobile-cta .btn{flex:1}
.mobile-cta__tel{flex:none;width:52px;display:flex;align-items:center;justify-content:center;background:var(--ink);color:#fff;border-radius:999px}
.mobile-cta__tel:hover{background:#000;color:#fff}

/* Reveal animation */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ===== Responsive ===== */
@media (max-width:980px){
  .hero__stats{grid-template-columns:repeat(2,1fr);gap:24px}
  .stats{grid-template-columns:repeat(3,1fr)}
  .leistungen,.comp-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .econ{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:32px}
  .split--form{grid-template-columns:1fr}
  .cards--2x2{grid-template-columns:1fr}
  .nav,.header__cta{display:none}
  .nav-toggle{display:flex}
  .header.nav-open .nav{display:flex;position:absolute;top:74px;left:0;right:0;flex-direction:column;background:#fff;border-bottom:1px solid var(--hairline);padding:16px 24px;gap:4px;box-shadow:var(--shadow);margin-left:0}
  .header.nav-open .nav a{padding:12px 0;border-bottom:1px solid var(--hairline)}
  .footer__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  body{font-size:16px}
  .cards--3{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr}
  .econ{grid-template-columns:1fr}
  .econ-compare__arrow{transform:rotate(90deg)}
  .mobile-cta{display:flex}
  body.has-mobile-cta{padding-bottom:78px}
  .topbar__hours{display:none}
  .footer__grid{grid-template-columns:1fr}
  .footer__bar-inner{flex-direction:column;gap:6px}
}
@media (max-width:430px){
  .hero__stats{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* ============ PREMIUM POLISH ============ */
::selection{background:rgba(10,91,214,.85);color:#fff}
html{text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
.section__title{letter-spacing:-.022em}
.hero h1{letter-spacing:-.03em}
.form-honeypot{position:absolute!important;left:-10000px!important;width:1px!important;height:1px!important;overflow:hidden!important;opacity:0!important;pointer-events:none!important}
.btn:disabled{cursor:wait;opacity:.72}