/* ============================================================
   EWP KI-Powertools — gemeinsame Tool-Shell
   Abgeleitet aus dem Design-System „EnergieWendePunkt Dark"
   (Tokens + Typo-Rollen + strikte Zentrierung, Referenz:
   Arbeitswege-Dashboard). Eine Quelle für alle Tool-Seiten.
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=DM+Mono:wght@400;500;600&family=Syne:wght@600;700;800&display=swap');

/* ---------- Design-Tokens (kanonisch aus dem DS) ---------- */
:root{
  --bg:#020617;--bg-2:#0f172a;--panel:#0f172a;--panel-2:#131c33;--panel-3:#1a2541;
  --border:#1e293b;--border-2:#2a3a5c;--text:#ffffff;--text-dim:#94a3b8;--text-dim-2:#64748b;
  --accent:#06b6d4;--accent-2:#0066FF;--accent-3:#10b981;--warn:#ffb347;--good:#10b981;--bad:#ef4444;--violet:#a78bfa;
  --safe-area-inset-top:env(safe-area-inset-top);
  --safe-area-inset-bottom:env(safe-area-inset-bottom);
}

*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{
  background:
    radial-gradient(1200px 800px at 80% -10%, rgba(0,102,255,0.18) 0%, var(--bg) 60%) fixed,
    radial-gradient(1000px 600px at 10% 110%, rgba(6,182,212,0.10) 0%, transparent 60%) fixed,
    var(--bg);
  color:var(--text);font-family:'DM Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  min-height:100vh;font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden
}

/* ---------- Header (zentriert, LP-Muster) ---------- */
.site-header{position:fixed;top:0;width:100%;z-index:1000;background:rgba(2,6,23,0.95);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(6,182,212,0.1);text-align:center;padding-top:max(0.9rem,var(--safe-area-inset-top));padding-bottom:0.75rem}
.site-brand{display:inline-flex;flex-direction:column;gap:0.15rem;text-decoration:none}
.site-brand .logo-main{font-family:'Syne',sans-serif;font-size:1.5rem;font-weight:800;background:linear-gradient(135deg,var(--accent-2),var(--accent));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.site-brand .logo-slogan{font-size:0.75rem;color:var(--text-dim);font-weight:500}
.site-nav{display:flex;justify-content:center;gap:1.8rem;list-style:none;margin-top:0.5rem;flex-wrap:wrap}
.site-nav a{color:rgba(255,255,255,0.8);text-decoration:none;font-weight:500;font-size:0.92rem;transition:color .3s}
.site-nav a:hover{color:var(--accent)}
.header-cta{position:absolute;right:2rem;top:50%;transform:translateY(-50%)}
.menu-toggle{display:none;position:absolute;right:1.25rem;top:50%;transform:translateY(-50%);background:none;border:none;color:var(--text);font-size:1.4rem;cursor:pointer;padding:0.4rem}
@media (max-width:1024px){
  .site-nav{display:none}
  .site-nav.open{display:flex;flex-direction:column;gap:0.9rem;padding:0.75rem 0 0.25rem}
  /* !important: .btn-primary (display:inline-flex) steht später im Stylesheet
     und würde das Ausblenden bei gleicher Spezifität sonst überstimmen */
  .header-cta{display:none !important}
  .menu-toggle{display:block}
}

/* ---------- Seitenkopf ---------- */
.page-header{padding-top:max(150px,calc(var(--safe-area-inset-top) + 130px));padding-bottom:3.5rem;text-align:center;background:radial-gradient(circle at 50% 0%,rgba(0,102,255,0.10) 0%,transparent 55%)}
.page-eyebrow{font-family:'DM Mono',monospace;font-size:0.8rem;color:var(--accent);text-transform:uppercase;letter-spacing:0.14em;margin-bottom:1rem}
.page-header h1{font-family:'Syne',sans-serif;font-size:3.6rem;font-weight:800;line-height:1.1;margin-bottom:1.25rem}
.gradient-text{background:linear-gradient(135deg,var(--accent-2),var(--accent));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.gradient-text.green{background:linear-gradient(135deg,var(--good),var(--accent));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.gradient-text.warm{background:linear-gradient(135deg,var(--warn),var(--bad));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.page-subtitle{font-size:1.2rem;color:var(--text-dim);max-width:760px;margin:0 auto;line-height:1.7}

main{max-width:1180px;margin:0 auto;padding:0 2rem 5rem;text-align:center}
section{padding:2.5rem 0}

/* ---------- Tool-Panel ---------- */
.tool-panel{background:linear-gradient(180deg,var(--panel) 0%,var(--panel-2) 100%);border:1px solid var(--border);border-radius:18px;padding:2.6rem;margin-bottom:2rem;text-align:center}
.tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:2.6rem;align-items:start}
.tool-col-title{font-family:'Syne',sans-serif;font-size:1.3rem;font-weight:700;margin-bottom:1.6rem}
.tool-col-title.cyan{color:var(--accent)} .tool-col-title.green{color:var(--good)} .tool-col-title.warm{color:var(--warn)}

/* ---------- Formulare (zentriert, DM-Mono-Labels) ---------- */
.form-group{margin-bottom:1.6rem;text-align:center}
.form-group>label{display:block;margin-bottom:0.6rem;font-family:'DM Mono',monospace;font-size:0.72rem;text-transform:uppercase;letter-spacing:0.1em;color:var(--text-dim)}
.input-wrapper{position:relative;display:flex;align-items:center;max-width:340px;margin:0 auto}
.input-wrapper input,.input-wrapper select{width:100%;padding:0.85rem 1.1rem;background:var(--bg-2);border:1px solid var(--border-2);border-radius:10px;color:var(--text);font-family:'DM Sans',sans-serif;font-size:1rem;text-align:center;outline:none;transition:border-color .2s}
.input-wrapper input:focus,.input-wrapper select:focus{border-color:var(--accent)}
.input-wrapper select{appearance:none;cursor:pointer}
.input-wrapper select option{background:var(--bg-2)}
.input-unit{position:absolute;right:1rem;font-family:'DM Mono',monospace;color:var(--text-dim);font-size:0.8rem;pointer-events:none}
.input-pair{display:grid;grid-template-columns:1fr 1fr;gap:0.9rem;max-width:420px;margin:0 auto}
.input-pair .input-wrapper{max-width:none}
.input-hint{display:flex;justify-content:space-between;max-width:340px;margin:0.4rem auto 0;font-family:'DM Mono',monospace;font-size:0.68rem;color:var(--text-dim-2)}
.input-pair+.input-hint{max-width:420px}

/* ---------- Slider ---------- */
.slider-row{display:flex;align-items:center;gap:1rem;max-width:420px;margin:0 auto}
.slider-row input[type="range"]{flex:1;-webkit-appearance:none;appearance:none;height:6px;border-radius:3px;background:rgba(255,255,255,0.1);outline:none;cursor:pointer}
.slider-row input[type="range"]::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:linear-gradient(135deg,var(--accent-2),var(--accent));cursor:pointer;box-shadow:0 0 8px rgba(6,182,212,0.4)}
.slider-row input[type="range"].green::-webkit-slider-thumb{background:linear-gradient(135deg,var(--good),var(--accent));box-shadow:0 0 8px rgba(16,185,129,0.4)}
.slider-row input[type="range"].warm::-webkit-slider-thumb{background:linear-gradient(135deg,var(--warn),var(--bad));box-shadow:0 0 8px rgba(255,179,71,0.4)}
/* Firefox: eigene Pseudo-Elemente, sonst Browser-Standard-Thumbs */
.slider-row input[type="range"]::-moz-range-track{height:6px;border-radius:3px;background:rgba(255,255,255,0.1)}
.slider-row input[type="range"]::-moz-range-thumb{width:20px;height:20px;border:none;border-radius:50%;background:linear-gradient(135deg,var(--accent-2),var(--accent));cursor:pointer;box-shadow:0 0 8px rgba(6,182,212,0.4)}
.slider-row input[type="range"].green::-moz-range-thumb{background:linear-gradient(135deg,var(--good),var(--accent));box-shadow:0 0 8px rgba(16,185,129,0.4)}
.slider-row input[type="range"].warm::-moz-range-thumb{background:linear-gradient(135deg,var(--warn),var(--bad));box-shadow:0 0 8px rgba(255,179,71,0.4)}
.slider-value{min-width:88px;text-align:right;font-family:'Syne',sans-serif;font-size:1.2rem;font-weight:700;color:var(--accent)}
.slider-value.green{color:var(--good)} .slider-value.warm{color:var(--warn)}

/* ---------- KPI-Karten ---------- */
.kpi-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1.6rem}
.kpi-grid.four{grid-template-columns:repeat(4,1fr)}
.kpi-card{background:rgba(255,255,255,0.03);border:1px solid var(--border);border-radius:14px;padding:1.3rem;text-align:center}
.kpi-card.highlight{background:rgba(16,185,129,0.08);border-color:rgba(16,185,129,0.25)}
.kpi-card.highlight-warm{background:rgba(255,179,71,0.07);border-color:rgba(255,179,71,0.25)}
.kpi-label{font-family:'DM Mono',monospace;font-size:0.68rem;color:var(--text-dim);text-transform:uppercase;letter-spacing:0.1em;margin-bottom:0.5rem}
.kpi-value{font-family:'Syne',sans-serif;font-size:1.9rem;font-weight:800;line-height:1}
.kpi-value.good{color:var(--good)} .kpi-value.bad{color:var(--bad)} .kpi-value.warn{color:var(--warn)} .kpi-value.cyan{color:var(--accent)}
.kpi-unit{font-family:'DM Mono',monospace;font-size:0.72rem;color:var(--text-dim);margin-top:0.35rem}

/* ---------- Meter/Balken ---------- */
.meter-label{display:flex;justify-content:space-between;font-size:0.85rem;margin-bottom:0.45rem;max-width:640px;margin-left:auto;margin-right:auto}
.meter-label span:first-child{font-family:'DM Mono',monospace;font-size:0.72rem;text-transform:uppercase;letter-spacing:0.08em;color:var(--text-dim);align-self:center}
.meter-label b{font-family:'DM Mono',monospace;font-weight:600}
.meter-track{background:rgba(255,255,255,0.06);border-radius:8px;height:30px;overflow:hidden;margin:0 auto 1rem;max-width:640px;position:relative}
.meter-fill{height:100%;border-radius:8px;transition:width .5s cubic-bezier(0.4,0,0.2,1);display:flex;align-items:center;justify-content:flex-end;padding-right:0.8rem;font-family:'DM Mono',monospace;font-size:0.78rem;font-weight:600;min-width:3.2rem}
.meter-fill.bad{background:linear-gradient(90deg,rgba(239,68,68,0.55),rgba(239,68,68,0.35))}
.meter-fill.good{background:linear-gradient(90deg,var(--good),rgba(16,185,129,0.6))}

/* ---------- Info-Box ---------- */
.info-box{background:rgba(6,182,212,0.05);border:1px solid rgba(6,182,212,0.2);border-radius:16px;padding:2.2rem;margin-top:2.5rem;text-align:center}
.info-box h3{font-family:'Syne',sans-serif;font-size:1.4rem;margin-bottom:1rem;color:var(--accent)}
.info-box p{color:var(--text-dim);line-height:1.7;margin:0 auto 1rem;max-width:56ch}
.info-box ul{list-style:none;margin-top:1.4rem}
.info-box li{padding:0.75rem 0;border-bottom:1px solid rgba(255,255,255,0.05);color:var(--text-dim);max-width:60ch;margin:0 auto}
.info-box li:last-child{border-bottom:none}
.info-box strong{color:var(--text)}
.fine-print{font-family:'DM Mono',monospace;font-size:0.7rem;color:var(--text-dim-2);margin-top:1.2rem}

/* ---------- CTA ---------- */
.cta-section{background:linear-gradient(135deg,rgba(0,102,255,0.1),rgba(6,182,212,0.1));border:1px solid rgba(6,182,212,0.2);border-radius:18px;padding:2.8rem;text-align:center;margin-top:3rem}
.cta-section h2{font-family:'Syne',sans-serif;font-size:2.2rem;margin-bottom:1.1rem}
.cta-section p{font-size:1.1rem;color:var(--text-dim);margin:0 auto 2rem;max-width:640px}
.cta-buttons{display:flex;gap:1.2rem;justify-content:center;flex-wrap:wrap}
.btn-primary{background:linear-gradient(135deg,var(--accent-2),var(--accent));color:#fff;padding:1rem 2.2rem;border-radius:10px;text-decoration:none;font-weight:600;font-size:1rem;transition:transform .3s,box-shadow .3s;display:inline-flex;align-items:center;gap:0.6rem;border:none;cursor:pointer}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(6,182,212,0.3)}
.btn-secondary{background:var(--panel-3);color:#fff;padding:1rem 2.2rem;border-radius:10px;text-decoration:none;font-weight:600;font-size:1rem;border:1px solid var(--border-2);transition:all .3s;display:inline-flex;align-items:center;gap:0.6rem}
.btn-secondary:hover{border-color:var(--accent)}

/* ---------- Werkzeug-Karten (Übersicht) ---------- */
.tools-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem;text-align:center}
.tool-card{background:rgba(255,255,255,0.02);border:1px solid rgba(255,255,255,0.05);border-radius:18px;padding:2.2rem;text-decoration:none;color:var(--text);display:block;transition:all .3s;position:relative;overflow:hidden}
.tool-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent-2),var(--accent));transform:scaleX(0);transition:transform .3s}
.tool-card:hover{background:rgba(255,255,255,0.05);border-color:rgba(6,182,212,0.3);transform:translateY(-4px)}
.tool-card:hover::before{transform:scaleX(1)}
.tool-card .tool-icon{width:62px;height:62px;margin:0 auto 1.2rem;background:linear-gradient(135deg,rgba(0,102,255,0.12),rgba(6,182,212,0.12));border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.8rem}
.tool-card h3{font-family:'Syne',sans-serif;font-size:1.3rem;font-weight:700;margin-bottom:0.8rem}
.tool-card p{color:var(--text-dim);font-size:0.95rem;line-height:1.65;margin-bottom:1.2rem}
.tool-card .tool-link{font-family:'DM Mono',monospace;font-size:0.78rem;color:var(--accent);text-transform:uppercase;letter-spacing:0.08em}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--border);padding:2.6rem 1.5rem;padding-bottom:max(2rem,calc(var(--safe-area-inset-bottom) + 1.5rem));margin-top:2rem;text-align:center;font-family:'DM Mono',monospace;font-size:0.75rem;color:var(--text-dim-2);display:flex;flex-direction:column;align-items:center;gap:0.55rem}
.site-footer .motto{color:var(--accent);font-family:'Syne',sans-serif;font-style:italic;font-weight:600;font-size:0.95rem;letter-spacing:.02em}
.site-footer a{color:var(--text-dim);text-decoration:none;transition:color .3s}
.site-footer a:hover{color:var(--accent)}
.site-footer .legal{display:flex;gap:1.4rem;justify-content:center;margin-top:0.4rem}
.site-footer .ewp{background:linear-gradient(135deg,var(--accent-2),var(--accent));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;font-weight:700}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .page-header h1{font-size:2.4rem}
  .page-subtitle{font-size:1.02rem}
  main{padding:0 1.25rem 4rem}
  .tool-panel{padding:1.75rem}
  .tool-grid{grid-template-columns:1fr;gap:2rem}
  .kpi-grid.four{grid-template-columns:1fr 1fr}
  .tools-grid{grid-template-columns:1fr}
  .cta-section{padding:2.2rem 1.5rem}
  .cta-section h2{font-size:1.7rem}
  .btn-primary,.btn-secondary{width:100%;justify-content:center}
}
@media (max-width:480px){
  .page-header h1{font-size:1.9rem}
  .kpi-grid,.kpi-grid.four{grid-template-columns:1fr}
  .input-pair{grid-template-columns:1fr}
}