/* ============================================================
   enhance.css — Ultra-Politur für was-kostet-ein-ki-agent.de
   Orientiert an novadata.solutions (Apple-Premium): generative
   Hero-Tiefe, Glas, animiertes Kosten-Diagramm. Lädt nach styles.css.
   ============================================================ */

/* ---------- Hero: generative Tiefe (Ice-Mesh + Teal-Sterne + Atmosphäre) ---------- */
.hero{background:linear-gradient(172deg,#ffffff 0%,var(--bg) 46%,var(--bg-ice) 100%)}
.hero-depth{position:absolute;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.hero-atm{position:absolute;top:4%;right:-4%;width:min(560px,52vw);height:min(560px,52vw);border-radius:50%;
  background:radial-gradient(circle,rgba(46,123,140,.13),rgba(46,123,140,.04) 42%,transparent 68%);
  animation:nd-atm 9s var(--ease) infinite;will-change:transform,opacity}
@keyframes nd-atm{0%,100%{transform:scale(1);opacity:.7}50%{transform:scale(1.06);opacity:1}}
.hero-ring{position:absolute;top:50%;right:6%;width:min(440px,42vw);height:min(440px,42vw);border-radius:50%;
  border:1px solid rgba(46,123,140,.1);transform:translateY(-50%) rotateX(70deg);animation:nd-ring 34s linear infinite;pointer-events:none}
@keyframes nd-ring{from{transform:translateY(-50%) rotateX(70deg) rotateZ(0)}to{transform:translateY(-50%) rotateX(70deg) rotateZ(360deg)}}
.hero-star{position:absolute;border-radius:50%;background:rgba(46,123,140,.4);animation:nd-tw var(--sp,4s) ease-in-out infinite var(--dl,0s)}
@keyframes nd-tw{0%,100%{opacity:.1}50%{opacity:.6}}

/* ---------- Rechner-Card: Apple-Glas-Aufwertung ---------- */
.calc{background:var(--glass-strong);backdrop-filter:blur(24px) saturate(150%);-webkit-backdrop-filter:blur(24px) saturate(150%);
  box-shadow:var(--shadow-lg);transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.calc:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg),var(--shadow-teal)}
.calc-result{background:linear-gradient(160deg,var(--dark),var(--dark-2));position:relative;overflow:hidden}
.calc-result::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(80% 100% at 85% 0%,rgba(46,123,140,.28),transparent 60%)}
.calc-result>*{position:relative;z-index:1}

/* ---------- Kosten-Diagramm (dunkel, animiertes SVG) ---------- */
.chartsec{background:var(--dark);color:var(--on-dark);position:relative;overflow:hidden}
.chartsec::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(60% 90% at 15% 10%,rgba(46,123,140,.22),transparent 55%),radial-gradient(50% 80% at 90% 90%,rgba(46,123,140,.12),transparent 60%)}
.chartsec .eyebrow{color:var(--accent-soft)}
.chartsec .sec-head h2{color:#fff}
.chartsec .sec-head p{color:var(--on-dark-soft)}
.chart-wrap{position:relative;z-index:1;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.09);
  border-radius:var(--radius-lg);padding:clamp(22px,3vw,40px);backdrop-filter:blur(8px)}
.chart-legend{display:flex;flex-wrap:wrap;gap:1.6rem;margin-bottom:1.4rem;font-size:.95rem}
.chart-legend span{display:flex;align-items:center;gap:.55em;color:var(--on-dark)}
.chart-legend i{width:26px;height:3px;border-radius:2px;display:inline-block}
.chart-legend .l-person{background:#9FB4BB}
.chart-legend .l-agent{background:var(--accent)}
.chart-svg{width:100%;height:auto;display:block;overflow:visible}
.chart-grid{stroke:rgba(255,255,255,.07);stroke-width:1}
.chart-axis{fill:var(--on-dark-soft);font-family:var(--font-body);font-size:13px}
.chart-area{fill:url(#savegrad);opacity:0;transition:opacity 1s var(--ease) 1.2s}
.chart-area.in{opacity:1}
.chart-line{fill:none;stroke-width:3;stroke-linecap:round;stroke-linejoin:round}
.chart-line.draw{stroke-dasharray:var(--len);stroke-dashoffset:var(--len);transition:stroke-dashoffset 1.8s var(--ease)}
.chart-line.draw.in{stroke-dashoffset:0}
.line-person{stroke:#9FB4BB;stroke-dasharray:6 7}
.line-agent{stroke:var(--accent)}
.chart-dot{fill:#fff;opacity:0;transition:opacity .4s var(--ease) 1.6s}
.chart-dot.in{opacity:1}
.chart-save-lbl{fill:var(--accent-soft);font-family:var(--font-display);font-weight:600;font-size:19px;opacity:0;transition:opacity .8s var(--ease) 1.8s}
.chart-save-lbl.in{opacity:1}
.chart-note{position:relative;z-index:1;text-align:center;margin-top:1.4rem;font-size:.9rem;color:var(--on-dark-soft)}

/* ---------- Reveal sanfter (Apple fade-in-up) ---------- */
.reveal{transform:translateY(28px)}

/* ---------- Voice-Agent Rückruf-Test (mit Mini-Orb) ---------- */
.vtest{background:var(--bg-ice);position:relative;overflow:hidden}
.vtest::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(50% 80% at 50% 0%,rgba(46,123,140,.12),transparent 60%)}
.vtest-card{position:relative;z-index:1;max-width:580px;margin:0 auto;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:clamp(30px,4vw,48px);text-align:center}
.vtest-orb{width:88px;height:88px;border-radius:50%;margin:0 auto 1.4rem;position:relative;
  background:radial-gradient(ellipse at 32% 28%,#6aa3ad 0%,#2E7B8C 42%,#184c5a 100%);
  box-shadow:0 0 34px rgba(46,123,140,.4),inset 0 1px 4px rgba(255,255,255,.2);animation:nd-orb 4s var(--ease) infinite}
@keyframes nd-orb{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}
.vtest-orb svg{position:absolute;inset:0;margin:auto;width:34px;height:34px;stroke:rgba(255,255,255,.9);stroke-width:1.6;fill:none}
.vtest-orb i{position:absolute;inset:-6px;border-radius:50%;border:1px solid rgba(46,123,140,.4);animation:nd-pw 2.6s ease-out infinite}
.vtest-orb i:nth-child(2){animation-delay:1.3s}
@keyframes nd-pw{0%{transform:scale(1);opacity:.6}100%{transform:scale(1.9);opacity:0}}
.vtest h2{font-size:clamp(1.7rem,3vw,2.4rem);margin-bottom:.6rem}
.vtest p.sub{color:var(--ink-soft);margin-bottom:1.6rem;max-width:42ch;margin-inline:auto}
.vtest-form{display:flex;flex-direction:column;gap:.8rem;text-align:left}
.vtest-row{display:flex;gap:.8rem}
.vtest-input{flex:1;height:54px;border:1px solid var(--line);border-radius:12px;padding:0 1.1rem;font:inherit;color:var(--ink);background:var(--surface);transition:border-color .2s,box-shadow .2s;min-width:0}
.vtest-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.vtest-btn{height:54px;border:none;border-radius:12px;background:var(--accent);color:#fff;font-family:var(--font-body);font-weight:600;font-size:1rem;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:.5em;transition:background .25s,transform .25s var(--ease)}
.vtest-btn:hover{background:var(--accent-deep);transform:translateY(-2px)}
.vtest-btn svg{width:1.1em;height:1.1em}
.vtest-note{font-size:.8rem;color:var(--ink-faint);margin-top:.9rem}
.vtest-success{display:none;flex-direction:column;align-items:center;gap:.5rem;padding:1rem 0}
.vtest-success svg{width:48px;height:48px;color:var(--accent)}
.vtest-success b{font-family:var(--font-display);font-size:1.3rem;color:var(--ink)}
.vtest.done .vtest-form,.vtest.done .vtest-note{display:none}
.vtest.done .vtest-success{display:flex}
.vtest.done .vtest-orb{animation:nd-orb 1.2s var(--ease) infinite}

/* ---------- Match-Call (Cal.com + Foto-Cluster) ---------- */
.matchcall{background:linear-gradient(180deg,var(--bg) 0%,var(--bg-ice) 100%)}
.mc-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:clamp(32px,5vw,72px);align-items:center}
.mc-eyebrow{color:var(--accent);font-family:var(--font-body);font-size:.8rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;margin-bottom:1rem}
.mc-grid h2{font-size:clamp(2rem,4vw,3.1rem);margin-bottom:1rem;max-width:18ch}
.mc-grid p{color:var(--ink-soft);font-size:1.1rem;margin-bottom:1.8rem;max-width:46ch}
.mc-cluster{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:auto auto;gap:16px}
.mc-shot{border-radius:22px;overflow:hidden;box-shadow:0 24px 60px -28px rgba(19,31,38,.4)}
.mc-shot img{width:100%;height:100%;object-fit:cover;display:block}
.mc-shot.tall{grid-row:1/3;aspect-ratio:4/5}
.mc-shot.wide{aspect-ratio:4/3}
.cal-band{margin-top:clamp(40px,6vw,80px);text-align:center}
.cal-band .mc-eyebrow{text-align:center}
.cal-band h3{font-size:clamp(1.7rem,3vw,2.5rem);margin-bottom:clamp(20px,3vw,32px)}
.cal-shell{background:var(--surface);border-radius:24px;padding:clamp(10px,2vw,18px);box-shadow:var(--shadow-lg);border:1px solid var(--line)}
.cal-inline{width:100%;min-height:600px;overflow:auto;border-radius:16px}

/* ---------- NovaData-Verweis-Band (Pflicht: CTA auf novadata.solutions) ---------- */
.ndbrand{background:linear-gradient(160deg,var(--dark),var(--dark-2));color:var(--on-dark);text-align:center;position:relative;overflow:hidden}
.ndbrand::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(60% 100% at 50% 0%,rgba(46,123,140,.28),transparent 60%)}
.ndbrand>.wrap{position:relative;z-index:1;max-width:760px}
.ndbrand-logo{display:inline-flex;align-items:center;gap:.5em;font-family:var(--font-display);font-weight:600;font-size:1.5rem;color:#fff;margin-bottom:1.2rem;letter-spacing:-.01em}
.ndbrand-logo .dot{width:11px;height:11px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(46,123,140,.25),0 0 14px rgba(46,123,140,.8)}
.ndbrand h2{color:#fff;font-size:clamp(1.9rem,3.4vw,2.8rem);margin-bottom:1rem;max-width:20ch;margin-inline:auto}
.ndbrand p{color:var(--on-dark-soft);font-size:1.12rem;max-width:48ch;margin:0 auto 2rem}
.ndbrand .actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}
.ndbrand .btn-ghost{color:#fff;border-color:rgba(255,255,255,.4)}
.ndbrand .btn-ghost:hover{background:#fff;color:var(--dark)}
.nav-nd{display:inline-flex;align-items:center;gap:.3em;font-size:.96rem;font-weight:600;color:var(--accent)!important}
.nav-nd svg{width:.95em;height:.95em}

/* ---------- Responsive ---------- */
@media(max-width:860px){
  .mc-grid{grid-template-columns:1fr;gap:2.4rem}
}
@media(max-width:760px){
  .hero-ring{display:none}
  .chart-axis{display:none}
  .chart-save-lbl{font-size:36px}
  .vtest-row{flex-direction:column}
}
@media(max-width:540px){
  .mc-cluster{grid-template-columns:1fr}
  .mc-shot.tall{grid-row:auto;aspect-ratio:16/10}
}
@media(prefers-reduced-motion:reduce){
  .hero-atm,.hero-ring,.hero-star{animation:none!important}
  .chart-line.draw{stroke-dashoffset:0!important;transition:none!important}
}