/*
Theme Name: EnergieCheck AI
Theme URI: https://energiecheckai.com/
Author: Marcel Reitz
Author URI: https://energiecheckai.com/
Description: Vollständiges Theme für EnergieCheck AI – Energieanalyse für private Haushalte mit Pilotprojekt-Verwaltung, KI-Auswertung (OpenAI/Anthropic) und integriertem Admin-Dashboard.
Version: 1.0.0
Requires at least: 5.8
Requires PHP: 8.0
License: GPL v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: energiecheck-ai
*/

:root{
  --lime:#84cc16;
  --lime-600:#65a30d;
  --lime-700:#4d7c0f;
  --lime-50:#f7fee7;
  --lime-100:#ecfccb;
  --lime-200:#d9f99d;
  --bg:#fafff0;
  --ink:#1a2e05;
  --muted:#52525b;
  --line:#e7e5d4;
  --card:#ffffff;
  --warn-bg:#fefce8;
  --warn-line:#facc15;
  --shadow:0 6px 24px rgba(101,163,13,.10);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);
  background:linear-gradient(180deg,var(--lime-50),#fff 60%);
  line-height:1.55;
}
.container{max-width:1180px;margin:0 auto;padding:0 24px}
.container.narrow{max-width:780px}
a{color:inherit}
h1,h2,h3,h4{margin:0 0 .5em;font-weight:800;letter-spacing:-.01em}
h1{font-size:clamp(2rem,4.5vw,3.4rem);line-height:1.05}
h2{font-size:clamp(1.6rem,2.8vw,2.2rem)}
h3{font-size:1.3rem}
.lead{color:var(--muted);font-size:1.05rem;max-width:62ch}
.muted{color:var(--muted)}
.small{font-size:.85rem}

.nav{padding:14px 0;position:sticky;top:0;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);z-index:5;border-bottom:1px solid var(--line)}
.nav-row{display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:14px;font-weight:800;text-decoration:none;color:inherit}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,var(--lime) 0%,var(--lime-700) 100%);box-shadow:0 6px 18px rgba(31,154,31,.35);flex-shrink:0}
.brand-mark svg{width:34px;height:34px;display:block}
.brand-name{font-size:1.55rem;letter-spacing:-.025em;line-height:1.05}
.brand-name .accent{color:var(--lime-700);font-weight:800}
.nav-links{display:flex;gap:22px;flex-wrap:wrap}
.nav-links a{text-decoration:underline;text-underline-offset:4px;font-weight:600}

.hero{padding:48px 0 72px}
.hero-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center}
@media (max-width:880px){.hero-grid{grid-template-columns:1fr}}

.badge{display:inline-flex;align-items:center;gap:8px;background:var(--lime-100);color:var(--lime-700);padding:6px 12px;border-radius:999px;font-weight:600;font-size:.9rem}
.badge.sm{font-size:.8rem;padding:4px 10px}

.cta-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:18px}
.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;padding:12px 18px;border-radius:10px;font-weight:700;cursor:pointer;font-size:1rem;text-decoration:none;font-family:inherit}
.btn-sm{padding:8px 14px;font-size:.9rem}
.btn-primary{background:var(--lime);color:#0c1a0c;border-color:var(--lime-600)}
.btn-primary:hover{background:var(--lime-600);color:#fff}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--lime)}

.card{background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:24px}
.preview .dots{display:flex;gap:6px;margin-bottom:14px}
.preview .dots span{width:10px;height:10px;border-radius:50%;background:#dfe7df}

.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:14px 0}
.kpi{background:var(--lime-50);border:1px solid var(--line);border-radius:12px;padding:10px 12px}
.kpi span{display:block;color:var(--muted);font-size:.85rem}
.kpi strong{font-size:1.05rem}

.step{background:var(--lime-50);border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin-top:10px;display:flex;flex-direction:column;gap:2px}
.step span{color:var(--muted);font-size:.92rem}

.section{padding:64px 0}
.section-alt{background:linear-gradient(180deg,#fff,var(--lime-50))}

.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:24px}
@media (max-width:880px){.feature-grid{grid-template-columns:1fr}}
.feature{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px}
.feature h3{margin:0 0 8px;font-size:1.2rem}
.feature h4{margin:0 0 6px}
.feature p{margin:0 0 12px;color:#243024;font-size:.97rem;line-height:1.6}
.feature p:last-child{margin-bottom:0}
.feature strong{color:var(--ink)}

.faq-list .card{padding:0}
.faq-list .card summary{padding:16px 20px;cursor:pointer;list-style:none;font-size:1rem;display:flex;align-items:center;justify-content:space-between;gap:12px}
.faq-list .card summary::-webkit-details-marker{display:none}
.faq-list .card summary::after{content:"+";font-size:1.4rem;color:var(--lime-700);font-weight:700;transition:transform .15s}
.faq-list .card[open] summary::after{content:"−"}
.faq-list .card p{margin:0;padding:0 20px 18px;color:#243024;font-size:.96rem;line-height:1.6}

.demo-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:18px}
@media (max-width:880px){.demo-grid{grid-template-columns:1fr}}

.form-title{margin-top:0}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
.form label{display:flex;flex-direction:column;font-weight:600;font-size:.92rem;gap:6px;color:var(--ink)}
.form input,.form select,.form textarea{border:1px solid var(--line);border-radius:10px;padding:10px 12px;font:inherit;background:#fff;color:var(--ink)}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--lime);border-color:var(--lime)}
.form label.ai-toggle,.ai-toggle{display:inline-flex;flex-direction:row;align-items:center;gap:8px;font-weight:600;font-size:.92rem;color:var(--muted);cursor:pointer}
.form label.ai-toggle input,.ai-toggle input{margin:0;width:auto}
.form label.check{display:block;position:relative;padding:8px 0 8px 32px;font-weight:500;color:var(--muted);font-size:.9rem;margin-top:8px;line-height:1.5}
.form label.check input{position:absolute;left:0;top:10px;width:20px;height:20px;margin:0;accent-color:var(--lime);cursor:pointer}
.form label.check a{color:var(--lime-700);font-weight:600;text-decoration:underline}
.form textarea{min-height:96px;resize:vertical;line-height:1.5}

.advanced{margin-top:6px;border:1px dashed var(--line);border-radius:12px;padding:10px 14px}
.advanced summary{cursor:pointer;font-weight:600;color:var(--muted)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}

.report .massnahme{border:1px solid var(--line);border-radius:14px;padding:14px 16px;margin-top:12px}
.report .massnahme h4{margin:0 0 4px;font-size:1.05rem}
.report .massnahme p{margin:0 0 8px;color:var(--muted)}
.report .tags{display:flex;flex-wrap:wrap;gap:6px}
.report .tag{background:var(--lime-100);border:1px solid var(--lime-200);border-radius:999px;padding:4px 10px;font-size:.8rem;color:var(--lime-700);font-weight:600}

.vergleich{background:var(--lime-50);border:1px solid var(--lime-200);border-radius:12px;padding:14px 16px;margin:10px 0;font-size:.92rem}
.vergleich h4{margin:0 0 8px;font-size:1rem;color:var(--lime-700)}
.vergleich .vbar{display:grid;grid-template-columns:1fr auto;gap:8px;align-items:center;margin:6px 0}
.vergleich .vbar-label{display:flex;flex-direction:column;gap:2px}
.vergleich .vbar-label .name{font-weight:600;font-size:.92rem}
.vergleich .vbar-label .desc{color:var(--muted);font-size:.82rem}
.vergleich .vbar-value{font-weight:700;font-size:.95rem;white-space:nowrap}
.vergleich .vbar-value.high{color:#b45309}
.vergleich .vbar-value.ok{color:var(--lime-700)}

.warn{background:var(--warn-bg);border:1px solid var(--warn-line);border-radius:12px;padding:10px 14px;margin:10px 0;font-size:.92rem}
.warn ul{margin:6px 0 0;padding-left:20px}

.hint{margin:8px 0 0;color:var(--muted);font-size:.9rem;min-height:1.2em}

.pilot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:18px}
@media (max-width:880px){.pilot-grid{grid-template-columns:1fr}}
.pilot .num{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:var(--lime-100);color:var(--lime-700);font-weight:800;margin-bottom:10px}

.signup{margin-top:28px}
.signup form{margin-top:14px}

.footer{padding:30px 0;color:var(--muted);font-size:.9rem;border-top:1px solid var(--line);margin-top:40px;background:#fff}
.footer-row{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
.footer-links{display:flex;gap:18px}
.footer-links a{text-decoration:underline;text-underline-offset:3px}

.legal{max-width:780px;margin:60px auto;padding:36px;background:#fff;border:1px solid var(--line);border-radius:18px}
.legal h1{font-size:2rem}
.legal h2{font-size:1.3rem;margin-top:24px}
.legal p,.legal li{font-size:.98rem;color:#243024}

/* Niemand soll horizontal scrollen müssen */
html,body{overflow-x:hidden;max-width:100vw}

/* ---------- Mobile Optimierungen ---------- */
@media (max-width:880px){
  .hero{padding:32px 0 48px}
  .section{padding:48px 0}
  .container{padding:0 18px}

  /* Header: Logo eigene Zeile, Nav scrollbar darunter */
  .nav-row{flex-direction:column;align-items:stretch;gap:10px}
  .brand{align-self:flex-start}
  .nav-links{
    display:flex;flex-wrap:nowrap;
    overflow-x:auto;
    gap:20px;padding:4px 2px 6px;
    -webkit-overflow-scrolling:touch;
    scrollbar-width:none;
  }
  .nav-links::-webkit-scrollbar{display:none}
  .nav-links a{white-space:nowrap;flex-shrink:0;font-size:.92rem}

  .form .row{grid-template-columns:1fr;gap:10px}
  .kpis{grid-template-columns:repeat(3,1fr);gap:6px}
  .kpi{padding:8px 10px}
  .kpi span{font-size:.78rem}
  .kpi strong{font-size:.95rem}
}

@media (max-width:640px){
  .container{padding:0 14px}
  .nav{padding:10px 0}
  .brand{gap:10px}
  .brand-mark{width:40px;height:40px;border-radius:10px}
  .brand-mark svg{width:24px;height:24px}
  .brand-name{font-size:1.1rem;letter-spacing:-.02em}
  .nav-links{gap:16px;font-size:.85rem}

  h1{font-size:1.85rem;line-height:1.1}
  h2{font-size:1.5rem}
  .lead{font-size:1rem}

  .card{padding:18px;border-radius:14px}
  .form input,.form select,.form textarea{font-size:16px;padding:12px}
  .form textarea{min-height:120px}
  #kontaktForm,#signupForm{padding:20px 18px}

  .kpis{grid-template-columns:1fr 1fr;gap:8px}
  .kpis .kpi:nth-child(3){grid-column:span 2}
  .kpi strong{font-size:1.1rem}

  .cta-row{flex-direction:column;align-items:stretch;gap:10px}
  .cta-row .btn{width:100%;justify-content:center}
  .cta-row .ai-toggle{justify-content:center;width:100%;padding:6px 0}

  .feature-grid,.pilot-grid,.demo-grid,.hero-grid{gap:18px}

  .preview .step{font-size:.88rem}
  .footer-row{flex-direction:column;align-items:flex-start;gap:8px}

  .vergleich{padding:12px}
  .vergleich .vbar{grid-template-columns:1fr;gap:4px}
  .vergleich .vbar-value{justify-self:flex-start}

  .report .massnahme{padding:12px 14px}
  .report .tags{gap:4px}
  .report .tag{font-size:.74rem;padding:3px 8px}

  .legal{margin:24px auto;padding:22px;border-radius:14px}

  .faq-list .card summary{padding:14px 16px;font-size:.95rem}
  .faq-list .card p{padding:0 16px 16px;font-size:.92rem}
}

@media (max-width:380px){
  .brand-name{font-size:1rem}
  .nav-links{font-size:.8rem;gap:14px}
  h1{font-size:1.6rem}
  .kpis{grid-template-columns:1fr}
  .kpis .kpi:nth-child(3){grid-column:span 1}
}

@media print{
  .nav,.footer,.cta-row,.ai-toggle,#btnPdf{display:none!important}
  body{background:#fff}
  .card{box-shadow:none}
}