/* =====================================================================
   TEST SOLARANLAGEN — Design-System
   Signatur: der "Sonnenbogen" — eine animierte Bogenlinie, die den
   Tagesverlauf der Sonne nachzeichnet und als Kapitel-Trenner zwischen
   den Bereichen wiederkehrt. Zahlen/Erträge werden wie ein Wechselrichter-
   Display in Mono-Ziffern gesetzt.
   ===================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@500;600&display=swap');

:root{
  /* Farben */
  --c-anthracite:      #101826;
  --c-anthracite-2:    #182437;
  --c-anthracite-soft: #223049;
  --c-green:           #2E7D5B;
  --c-green-light:     #E4F0EA;
  --c-amber:           #E8871E;
  --c-amber-light:     #FCE9D1;
  --c-paper:           #F6F4EE;
  --c-paper-2:         #EFEBE0;
  --c-ink:             #14202C;
  --c-ink-soft:        #4B5A68;
  --c-line:            #DFDACB;
  --c-white:           #FFFFFF;

  --grad-sun: linear-gradient(135deg, var(--c-amber) 0%, #F4B23C 100%);

  /* Typografie */
  --f-display: 'Space Grotesk', 'Segoe UI', sans-serif;
  --f-body: 'Inter', 'Segoe UI', sans-serif;
  --f-mono: 'JetBrains Mono', ui-monospace, monospace;

  /* Radien & Schatten */
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 26px;
  --shadow-sm: 0 2px 10px rgba(16,24,38,.06);
  --shadow-md: 0 10px 30px rgba(16,24,38,.10);
  --shadow-lg: 0 20px 50px rgba(16,24,38,.16);

  --container: 1180px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth; overflow-x:hidden; width:100%;}
body{overflow-x:hidden; width:100%; position:relative;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important;}
}

body{
  margin:0;
  font-family:var(--f-body);
  color:var(--c-ink);
  background:var(--c-paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4{
  font-family:var(--f-display);
  color:var(--c-anthracite);
  line-height:1.15;
  margin:0 0 .5em;
  letter-spacing:-0.01em;
}
h1{font-size:clamp(2.1rem,4.2vw,3.4rem); font-weight:700;}
h2{font-size:clamp(1.6rem,2.8vw,2.3rem); font-weight:700;}
h3{font-size:1.25rem; font-weight:600;}
p{margin:0 0 1em; color:var(--c-ink-soft);}
a{color:var(--c-green); text-decoration:none;}
img{max-width:100%; display:block;}
ul{padding-left:1.2em;}

.container{max-width:var(--container); margin:0 auto; padding:0 24px;}
.section{padding:88px 0;}
.section-tight{padding:56px 0;}
.section-dark{background:var(--c-anthracite); color:#EAF0F5;}
.section-dark h2, .section-dark h3{color:#fff;}
.section-dark p{color:#B8C4CF;}
.section-alt{background:var(--c-paper-2);}

.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--f-mono); font-size:.75rem; letter-spacing:.12em; text-transform:uppercase;
  color:var(--c-green); font-weight:600; margin-bottom:14px;
}
.eyebrow::before{content:""; width:18px; height:2px; background:var(--c-amber); display:inline-block;}
.section-dark .eyebrow{color:var(--c-amber);}

.section-head{max-width:640px; margin-bottom:48px;}
.section-head.center{margin-left:auto; margin-right:auto; text-align:center;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-family:var(--f-body); font-weight:600; font-size:.95rem;
  padding:14px 26px; border-radius:999px; border:2px solid transparent;
  cursor:pointer; transition:transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad-sun); color:#1A1206; box-shadow:0 8px 24px rgba(232,135,30,.35);}
.btn-primary:hover{transform:translateY(-2px); box-shadow:0 12px 28px rgba(232,135,30,.45);}
.btn-secondary{background:transparent; border-color:rgba(255,255,255,.35); color:#fff;}
.btn-secondary:hover{border-color:#fff; background:rgba(255,255,255,.08);}
.btn-outline{background:transparent; border-color:var(--c-anthracite); color:var(--c-anthracite);}
.btn-outline:hover{background:var(--c-anthracite); color:#fff;}
.btn-green{background:var(--c-green); color:#fff;}
.btn-green:hover{background:#256848;}
.btn-block{width:100%;}
.btn-sm{padding:9px 18px; font-size:.85rem;}

/* ---------- Header / Navigation ---------- */
.site-header{
  position:sticky; top:0; z-index:200;
  background:rgba(16,24,38,.92); backdrop-filter:blur(10px);
  transition:box-shadow .2s ease;
}
.site-header.scrolled{box-shadow:0 4px 20px rgba(0,0,0,.2);}
.header-inner{display:flex; align-items:center; justify-content:space-between; padding:16px 24px; max-width:var(--container); margin:0 auto;}
.logo{font-family:var(--f-display); font-weight:700; font-size:1.3rem; color:#fff; display:flex; align-items:center; gap:10px;}
.logo .sun-dot{width:10px; height:10px; border-radius:50%; background:var(--grad-sun); box-shadow:0 0 12px rgba(232,135,30,.8);}
.main-nav{display:flex; gap:28px; align-items:center;}
.main-nav a{color:#D8DFE6; font-weight:500; font-size:.95rem;}
.main-nav a:hover, .main-nav a.active{color:#fff;}
.header-cta{display:flex; align-items:center; gap:14px;}
.header-phone{color:#fff; font-family:var(--f-mono); font-size:.9rem; display:flex; align-items:center; gap:6px;}
.nav-toggle{display:none; background:none; border:none; color:#fff; font-size:1.6rem; cursor:pointer;}

@media (max-width: 960px){
  .main-nav{position:fixed; top:0; right:0; bottom:0; left:auto; width:min(320px,84%); max-width:320px; height:100vh; height:100dvh; background:var(--c-anthracite); flex-direction:column; align-items:flex-start; padding:90px 28px 28px; transform:translateX(100%); transition:transform .3s ease; gap:22px; overflow-y:auto; z-index:300;}
  .main-nav.open{transform:translateX(0);}
  .nav-toggle{display:block;}
  .header-phone{display:none;}
}

/* ---------- Hero ---------- */
.hero{
  position:relative; overflow:hidden;
  background:radial-gradient(1200px 600px at 80% -10%, #1E2C42 0%, var(--c-anthracite) 60%);
  color:#fff; padding:150px 0 120px;
}
.hero-arc{position:absolute; inset:0; pointer-events:none; opacity:.55;}
.hero-grid{display:grid; grid-template-columns:1.1fr .9fr; gap:56px; align-items:center; position:relative; z-index:2;}
.hero h1{color:#fff;}
.hero-sub{font-size:1.1rem; color:#C4CED8; max-width:520px; margin-bottom:32px;}
.hero-actions{display:flex; flex-wrap:wrap; gap:14px; margin-bottom:40px;}
.hero-benefits{display:flex; flex-wrap:wrap; gap:10px 22px; padding:0; list-style:none; margin:0;}
.hero-benefits li{display:flex; align-items:center; gap:8px; font-size:.88rem; color:#B8C4CF;}
.hero-benefits li::before{content:"✓"; color:var(--c-amber); font-weight:700;}
.hero-media{position:relative; border-radius:var(--r-lg); overflow:hidden; box-shadow:var(--shadow-lg); aspect-ratio:4/5;}
.hero-media img{width:100%; height:100%; object-fit:cover;}
.hero-media::after{content:""; position:absolute; inset:0; background:linear-gradient(0deg, rgba(16,24,38,.5), transparent 40%);}
@media (max-width: 860px){ .hero-grid{grid-template-columns:1fr;} .hero{padding:120px 0 70px;} }

/* ---------- Sonnenbogen Divider (Signatur-Element) ---------- */
.sun-divider{position:relative; height:64px; margin:0 auto; max-width:var(--container); overflow:visible;}
.sun-divider svg{width:100%; height:100%; overflow:visible;}
.sun-divider path{fill:none; stroke:var(--c-line); stroke-width:1.5; stroke-dasharray:6 8;}
.sun-divider circle{fill:var(--c-amber);}

/* ---------- Trust bar ---------- */
.trust-bar{background:var(--c-anthracite-2); padding:52px 0;}
.trust-grid{display:grid; grid-template-columns:repeat(5,1fr); gap:24px; text-align:center;}
.trust-item .num{
  font-family:var(--f-mono); font-weight:600; font-size:clamp(1.6rem,2.4vw,2.2rem);
  color:var(--c-amber); letter-spacing:-0.02em; font-variant-numeric:tabular-nums;
}
.trust-item .label{font-size:.82rem; color:#AEB9C4; margin-top:6px;}
@media (max-width:860px){ .trust-grid{grid-template-columns:repeat(2,1fr);} }

/* ---------- Cards / Leistungen ---------- */
.cards-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:26px;}
@media (max-width:960px){ .cards-grid{grid-template-columns:repeat(2,1fr);} }
@media (max-width:640px){ .cards-grid{grid-template-columns:1fr;} }

.card{
  background:#fff; border-radius:var(--r-md); padding:32px 28px; box-shadow:var(--shadow-sm);
  border:1px solid var(--c-line); transition:transform .22s ease, box-shadow .22s ease;
  opacity:0; transform:translateY(18px);
}
.card.in-view{opacity:1; transform:translateY(0); transition:opacity .6s ease, transform .6s ease;}
.card:hover{transform:translateY(-6px); box-shadow:var(--shadow-md);}
.card-icon{width:52px; height:52px; border-radius:14px; background:var(--c-green-light); display:flex; align-items:center; justify-content:center; margin-bottom:18px; color:var(--c-green);}
.card h3{margin-bottom:10px;}
.card p{margin-bottom:14px; font-size:.95rem;}
.card-link{font-weight:600; font-size:.9rem; display:inline-flex; align-items:center; gap:6px; color:var(--c-anthracite);}
.card-link::after{content:"→"; transition:transform .2s ease;}
.card-link:hover::after{transform:translateX(4px);}

/* ---------- Warum-PV Liste ---------- */
.benefit-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:22px;}
@media (max-width:900px){ .benefit-grid{grid-template-columns:repeat(2,1fr);} }
@media (max-width:600px){ .benefit-grid{grid-template-columns:1fr;} }
.benefit-item{padding:26px; border-left:3px solid var(--c-amber); background:var(--c-white); border-radius:0 var(--r-sm) var(--r-sm) 0;}
.benefit-item h3{font-size:1.05rem;}
.benefit-item p{font-size:.92rem; margin:0;}

/* ---------- Ablauf / Prozess ---------- */
.process{position:relative;}
.process-list{list-style:none; margin:0; padding:0; display:grid; gap:0;}
.process-item{display:grid; grid-template-columns:64px 1fr; gap:22px; padding:26px 0; border-bottom:1px solid rgba(255,255,255,.08); align-items:flex-start;}
.process-item:last-child{border-bottom:none;}
.process-num{font-family:var(--f-mono); font-size:1rem; color:var(--c-amber); border:1px solid rgba(232,135,30,.4); border-radius:50%; width:44px; height:44px; display:flex; align-items:center; justify-content:center; font-weight:600;}
.process-item h3{color:#fff; margin-bottom:4px; font-size:1.05rem;}
.process-item p{margin:0; font-size:.92rem;}

/* ---------- Referenzen ---------- */
.ref-filters{display:flex; flex-wrap:wrap; gap:10px; margin-bottom:32px;}
.ref-filter{padding:8px 16px; border-radius:999px; border:1px solid var(--c-line); background:#fff; font-size:.85rem; font-weight:600; color:var(--c-ink-soft); cursor:pointer;}
.ref-filter.active, .ref-filter:hover{background:var(--c-anthracite); color:#fff; border-color:var(--c-anthracite);}
.ref-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:24px;}
@media (max-width:960px){ .ref-grid{grid-template-columns:repeat(2,1fr);} }
@media (max-width:640px){ .ref-grid{grid-template-columns:1fr;} }
.ref-card{border-radius:var(--r-md); overflow:hidden; background:#fff; box-shadow:var(--shadow-sm); border:1px solid var(--c-line);}
.ref-card .ref-img{aspect-ratio:4/3; overflow:hidden; background:var(--c-paper-2);}
.ref-card img{width:100%; height:100%; object-fit:cover; transition:transform .4s ease;}
.ref-card:hover img{transform:scale(1.06);}
.ref-card-body{padding:20px;}
.ref-meta{display:flex; gap:14px; font-family:var(--f-mono); font-size:.78rem; color:var(--c-green); margin-top:8px;}

/* ---------- Bewertungen ---------- */
.review-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:22px;}
@media (max-width:900px){ .review-grid{grid-template-columns:1fr;} }
.review-card{background:#fff; border-radius:var(--r-md); padding:26px; border:1px solid var(--c-line);}
.stars{color:var(--c-amber); letter-spacing:2px; margin-bottom:10px;}
.review-name{font-weight:600; margin-top:12px; font-size:.9rem;}
.review-loc{font-size:.8rem; color:var(--c-ink-soft);}

/* ---------- Formulare ---------- */
.form-grid{display:grid; grid-template-columns:1fr 1fr; gap:18px;}
@media (max-width:640px){ .form-grid{grid-template-columns:1fr;} }
.field{display:flex; flex-direction:column; gap:6px; margin-bottom:16px;}
.field label{font-size:.85rem; font-weight:600; color:var(--c-anthracite);}
.field input, .field select, .field textarea{
  font-family:var(--f-body); font-size:.95rem; padding:12px 14px; border-radius:var(--r-sm);
  border:1.5px solid var(--c-line); background:#fff; color:var(--c-ink); width:100%;
}
.field input:focus, .field select:focus, .field textarea:focus{outline:none; border-color:var(--c-green); box-shadow:0 0 0 3px rgba(46,125,91,.15);}
.field-check{display:flex; align-items:flex-start; gap:10px; font-size:.85rem; color:var(--c-ink-soft);}
.field-check input{width:auto; margin-top:3px;}
.hp-field{position:absolute; left:-9999px; opacity:0;}

.card-form{background:#fff; border-radius:var(--r-lg); padding:36px; box-shadow:var(--shadow-md); border:1px solid var(--c-line);}

/* Multi-step Angebotsformular */
.steps-indicator{display:flex; gap:8px; margin-bottom:32px;}
.steps-indicator .dot{flex:1; height:4px; border-radius:4px; background:var(--c-line);}
.steps-indicator .dot.active{background:var(--c-amber);}
.steps-indicator .dot.done{background:var(--c-green);}
.option-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:12px; margin-bottom:20px;}
@media (max-width:640px){ .option-grid{grid-template-columns:repeat(2,1fr);} }
.option-card{border:1.5px solid var(--c-line); border-radius:var(--r-sm); padding:16px; text-align:center; cursor:pointer; font-size:.88rem; font-weight:600; transition:all .15s ease;}
.option-card:hover{border-color:var(--c-green);}
.option-card.selected{border-color:var(--c-amber); background:var(--c-amber-light);}
.wizard-nav{display:flex; justify-content:space-between; margin-top:24px;}

/* ---------- Rechner ---------- */
.calc-box{background:#fff; border-radius:var(--r-lg); padding:32px; box-shadow:var(--shadow-md); border:1px solid var(--c-line);}
.calc-result{background:var(--c-anthracite); color:#fff; border-radius:var(--r-md); padding:24px; margin-top:20px;}
.calc-result .value{font-family:var(--f-mono); font-size:2rem; color:var(--c-amber); font-variant-numeric:tabular-nums;}
.range-row{display:flex; justify-content:space-between; font-size:.8rem; color:var(--c-ink-soft); margin-top:4px;}

/* ---------- Footer ---------- */
.site-footer{background:var(--c-anthracite); color:#B8C4CF; padding:70px 0 30px;}
.footer-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:36px; margin-bottom:50px;}
@media (max-width:860px){ .footer-grid{grid-template-columns:repeat(2,1fr);} }
.site-footer h4{color:#fff; font-size:.95rem; margin-bottom:16px;}
.site-footer a{color:#B8C4CF; font-size:.9rem;}
.site-footer a:hover{color:#fff;}
.footer-list{list-style:none; padding:0; display:flex; flex-direction:column; gap:10px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1); padding-top:24px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; font-size:.82rem;}
.footer-bottom a{color:#8B98A4;}

/* ---------- Sticky Aktionsleiste (mobil) ---------- */
.sticky-actions{position:fixed; bottom:0; left:0; right:0; z-index:150; display:none; background:#fff; box-shadow:0 -4px 20px rgba(0,0,0,.12); padding:10px 14px;}
.sticky-actions .row{display:flex; gap:10px;}
.sticky-actions .btn{flex:1; padding:12px;}
@media (max-width:760px){ .sticky-actions{display:block;} body{padding-bottom:70px;} }

/* ---------- WhatsApp Float ---------- */
.float-whatsapp{position:fixed; bottom:24px; right:24px; z-index:160; width:58px; height:58px; border-radius:50%; background:#25D366; display:flex; align-items:center; justify-content:center; box-shadow:0 8px 22px rgba(37,211,102,.4); color:#fff;}
@media (max-width:760px){ .float-whatsapp{bottom:84px; right:16px; width:50px; height:50px;} }

/* ---------- Cookie Banner ---------- */
.cookie-banner{
  position:fixed; left:16px; right:16px; bottom:16px; max-width:420px; margin-left:auto;
  background:#fff; border-radius:var(--r-md); box-shadow:var(--shadow-lg); padding:22px;
  z-index:500; display:none; border:1px solid var(--c-line);
  max-height:calc(100vh - 32px); max-height:calc(100dvh - 32px); overflow-y:auto;
  padding-bottom:calc(22px + env(safe-area-inset-bottom));
}
.cookie-banner.visible{display:block;}
.cookie-banner strong{font-family:var(--f-display); font-size:1.02rem;}
.cookie-cats{display:flex; flex-direction:column; gap:14px; margin:16px 0;}
.cookie-cat{display:flex; align-items:center; gap:14px; font-size:.85rem;}
.cookie-cat > div{flex:1; min-width:0;}
.cookie-actions{display:flex; flex-direction:column; gap:10px; margin-top:16px;}
.cookie-actions .btn{width:100%;}
.switch{position:relative; width:42px; height:24px; flex:none;}
.switch input{opacity:0; width:0; height:0;}
.switch .slider{position:absolute; inset:0; background:var(--c-line); border-radius:22px; transition:.2s; cursor:pointer;}
.switch .slider::before{content:""; position:absolute; width:18px; height:18px; left:3px; top:3px; background:#fff; border-radius:50%; transition:.2s;}
.switch input:checked + .slider{background:var(--c-green);}
.switch input:checked + .slider::before{transform:translateX(18px);}
.switch input:disabled + .slider{opacity:.5; cursor:not-allowed;}
#cookieSettingsPanel{display:none;}

@media (max-width: 640px){
  .cookie-banner{
    left:0; right:0; bottom:0; max-width:none; margin-left:0;
    border-radius:var(--r-lg) var(--r-lg) 0 0; border:none; border-top:1px solid var(--c-line);
    padding:20px 20px calc(20px + env(safe-area-inset-bottom));
    box-shadow:0 -8px 30px rgba(16,24,38,.18);
  }
  .cookie-actions{flex-direction:column;}
  .cookie-actions .btn{padding:14px;}
}

/* ---------- Badges / Status ---------- */
.badge{display:inline-block; padding:4px 12px; border-radius:999px; font-size:.72rem; font-weight:700; letter-spacing:.03em; text-transform:uppercase;}
.badge-new{background:var(--c-amber-light); color:#8A4E0E;}
.badge-progress{background:#DDEBFA; color:#1F5C99;}
.badge-done{background:var(--c-green-light); color:var(--c-green);}
.badge-lost{background:#F5DCDC; color:#9B2C2C;}

/* ---------- Utility ---------- */
.text-center{text-align:center;}
.mt-0{margin-top:0;} .mb-0{margin-bottom:0;}
.flex-between{display:flex; align-items:center; justify-content:space-between;}
.grid-2{display:grid; grid-template-columns:1fr 1fr; gap:40px;}
@media (max-width:860px){ .grid-2{grid-template-columns:1fr;} }
.tag{display:inline-block; background:var(--c-green-light); color:var(--c-green); font-size:.75rem; font-weight:700; padding:4px 12px; border-radius:999px; margin-right:6px; margin-bottom:6px;}
.breadcrumb{font-size:.82rem; color:var(--c-ink-soft); margin-bottom:20px;}
.breadcrumb a{color:var(--c-ink-soft);}
.faq-item{border-bottom:1px solid var(--c-line); padding:18px 0;}
.faq-q{display:flex; justify-content:space-between; align-items:center; cursor:pointer; font-weight:600; font-family:var(--f-display);}
.faq-a{max-height:0; overflow:hidden; transition:max-height .3s ease;}
.faq-item.open .faq-a{max-height:400px; padding-top:12px;}
.faq-q .chevron{transition:transform .2s ease;}
.faq-item.open .chevron{transform:rotate(180deg);}

.alert{padding:16px 18px; border-radius:var(--r-sm); font-size:.9rem; margin-bottom:20px;}
.alert-success{background:var(--c-green-light); color:#1E5B41; border:1px solid #BFE0CE;}
.alert-error{background:#FBEAEA; color:#9B2C2C; border:1px solid #F0C4C4;}