/* ===========================================================
   KI-LANDINGPAGE — seiten-spezifische Styles + Hero-Animation
   Lädt zusätzlich zu main.css (Tokens, Base, Components, BG).
   =========================================================== */

/* ---------- Generische Sektion ---------- */
.ki-section { padding-block: clamp(4rem, 9vw, 7rem); position: relative; }
.ki-section > .container { position: relative; z-index: 1; }
.ki-section h2 { font-size: var(--text-4xl); line-height: 1.1; max-width: 22ch; margin-bottom: 1.2rem; }
.ki-lead { font-size: var(--text-xl); color: var(--fg-1); max-width: 66ch; line-height: 1.55; }

/* ---------- HERO ---------- */
.ki-hero {
  min-height: auto;
  padding-top: clamp(7rem, 14vh, 11rem);
  padding-bottom: clamp(3rem, 6vw, 5rem);
  position: relative;
  overflow: hidden;
}
.ki-hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
@media (max-width: 940px) { .ki-hero-grid { grid-template-columns: 1fr; } }

.ki-hero h1 {
  font-size: var(--text-5xl);
  line-height: 1.04;
  margin-block: 0.8rem 1.2rem;
}
.ki-hero-sub {
  font-size: var(--text-xl);
  color: var(--fg-1);
  max-width: 42ch;
  margin-bottom: 1.8rem;
}
.ki-hero-ctas { display: flex; gap: 0.8rem; flex-wrap: wrap; }
.ki-hero-trust {
  display: flex; flex-wrap: wrap; gap: 0.5rem 1.2rem;
  margin-top: 1.6rem; font-family: var(--font-mono); font-size: var(--text-xs);
  color: var(--fg-2); letter-spacing: var(--tracking-snug);
}
.ki-hero-trust span { display: inline-flex; align-items: center; gap: 0.4rem; }
.ki-hero-trust span::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 3px rgba(0,229,153,0.18); }

/* ---------- HERO-VISUALISIERUNG (Laptops ↔ Server ↔ Cloud) ---------- */
.ki-viz { width: 100%; height: auto; }
.ki-viz svg { width: 100%; height: auto; display: block; overflow: visible; }

/* Internes Netzwerk Box */
.viz-netz {
  fill: rgba(0,214,230,0.04);
  stroke: rgba(0,214,230,0.35);
  stroke-width: 1.5;
  stroke-dasharray: 7 6;
  animation: viz-dash 24s linear infinite;
}
.viz-netz-label {
  fill: var(--brand-cyan); font-family: var(--font-mono);
  font-size: 13px; letter-spacing: 1.5px; text-transform: uppercase;
}

/* Cloud (Internet) außerhalb */
.viz-cloud :where(path, circle, ellipse) { fill: rgba(255,255,255,0.07); stroke: none; }
.viz-cloud text { fill: var(--fg-2); font-family: var(--font-mono); font-size: 13px; letter-spacing: 1px; stroke: none; }

/* Gesperrte Verbindung Cloud -> Netz */
.viz-block-line { stroke: var(--error); stroke-width: 2; stroke-dasharray: 6 6; opacity: 0.8; }
.viz-block-badge circle { fill: rgba(255,77,109,0.15); stroke: var(--error); stroke-width: 1.5; }
.viz-block-badge path { stroke: var(--error); stroke-width: 2.4; stroke-linecap: round; }
.viz-block-badge { animation: viz-pulse-red 2.4s ease-out infinite; transform-box: fill-box; transform-origin: center; }
.viz-block-text { fill: var(--error); font-family: var(--font-mono); font-size: 12px; letter-spacing: 1px; }

/* Lokaler KI-Server */
.viz-server-body { fill: var(--bg-2); stroke: var(--border-strong); stroke-width: 1.5; }
.viz-server-glow { fill: url(#viz-srv-glow); opacity: 0.9; animation: viz-breathe 3.6s ease-in-out infinite; transform-box: fill-box; transform-origin: center; }
.viz-server-slot { fill: rgba(255,255,255,0.06); }
.viz-server-led { animation: viz-blink 1.8s steps(1) infinite; }
.viz-server-led--2 { animation-delay: .6s; }
.viz-server-led--3 { animation-delay: 1.2s; }
.viz-server-label { fill: var(--fg-0); font-family: var(--font-display); font-size: 14px; font-weight: 700; }
.viz-server-sub { fill: var(--brand-cyan); font-family: var(--font-mono); font-size: 11px; letter-spacing: 1px; }

/* Geräte (Laptops/PCs) */
.viz-device rect, .viz-device path { fill: var(--bg-2); stroke: var(--border-default); stroke-width: 1.4; }
.viz-device .viz-screen { fill: rgba(0,214,230,0.10); }
.viz-device { animation: viz-float 5s ease-in-out infinite; transform-box: fill-box; transform-origin: center; }
.viz-device--2 { animation-delay: .8s; }
.viz-device--3 { animation-delay: 1.6s; }
.viz-device--4 { animation-delay: 2.4s; }

/* Datenfluss-Linien Server <-> Geräte */
.viz-flow { fill: none; stroke: rgba(0,214,230,0.25); stroke-width: 1.5; }
.viz-flow-dot { fill: var(--brand-cyan); filter: drop-shadow(0 0 5px rgba(0,214,230,0.8)); }

@keyframes viz-dash { to { stroke-dashoffset: -260; } }
@keyframes viz-breathe { 0%,100% { opacity: .55; } 50% { opacity: 1; } }
@keyframes viz-blink { 0%,50% { fill: var(--success); } 51%,100% { fill: rgba(255,255,255,0.15); } }
@keyframes viz-float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
@keyframes viz-pulse-red { 0% { transform: scale(1); } 50% { transform: scale(1.12); } 100% { transform: scale(1); } }

@media (prefers-reduced-motion: reduce) {
  .viz-netz, .viz-server-glow, .viz-server-led, .viz-device, .viz-block-badge, .viz-flow-dot { animation: none; }
}

/* ---------- PROBLEM / "neue Mitarbeiterin" ---------- */
.ki-problem .ki-lead { font-size: var(--text-xl); color: var(--fg-1); max-width: 62ch; }
.ki-problem p { color: var(--fg-2); max-width: 70ch; margin-bottom: 1rem; }

/* ---------- SOLUTION POINTS ---------- */
.ki-points {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; margin-top: 2.2rem;
}
@media (max-width: 880px) { .ki-points { grid-template-columns: 1fr; } }
.ki-point {
  padding: 1.5rem; background: var(--bg-glass); border: 1px solid var(--border-default);
  border-radius: var(--radius-xl); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.ki-point-icon { width: 46px; height: 46px; display: grid; place-items: center; border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(0,214,230,0.15), rgba(107,43,217,0.12)); margin-bottom: 1rem; }
.ki-point-icon svg { width: 24px; height: 24px; color: var(--brand-cyan); }
.ki-point h3 { font-size: var(--text-lg); margin-bottom: 0.4rem; }
.ki-point p { color: var(--fg-2); font-size: var(--text-sm); line-height: 1.6; max-width: none; }

/* ---------- SECURITY / AGENTEN-ROLLEN ---------- */
.ki-security {
  position: relative;
  background:
    radial-gradient(50% 60% at 90% 0%, rgba(0,229,153,0.08), transparent 70%),
    radial-gradient(50% 60% at 0% 100%, rgba(107,43,217,0.08), transparent 70%);
}
.ki-agents { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 1rem; margin-top: 2.2rem; }
@media (max-width: 560px) { .ki-agents { grid-template-columns: 1fr; } }
.ki-agent {
  padding: 1.3rem; background: var(--bg-glass); border: 1px solid var(--border-default);
  border-radius: var(--radius-lg); position: relative;
}
.ki-agent-badge {
  display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.25rem 0.6rem;
  font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: var(--tracking-wide); text-transform: uppercase;
  border-radius: var(--radius-pill); background: rgba(0,229,153,0.1); border: 1px solid rgba(0,229,153,0.35);
  color: var(--success); margin-bottom: 0.8rem;
}
.ki-agent h3 { font-size: var(--text-lg); margin-bottom: 0.3rem; }
.ki-agent p { color: var(--fg-2); font-size: var(--text-sm); line-height: 1.5; max-width: none; }

/* ---------- USE-CASES (Abteilungen) ---------- */
.ki-usecases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; margin-top: 2.2rem; }
@media (max-width: 980px) { .ki-usecases-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .ki-usecases-grid { grid-template-columns: 1fr; } }
.ki-uc {
  padding: 1.5rem; background: var(--bg-glass); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl); transition: all var(--dur-base) var(--ease-out);
}
.ki-uc:hover { background: var(--bg-glass-hover); border-color: var(--border-strong); transform: translateY(-4px); }
.ki-uc-head { display: flex; align-items: center; gap: 0.7rem; margin-bottom: 1rem; }
.ki-uc-icon { width: 40px; height: 40px; flex-shrink: 0; display: grid; place-items: center; border-radius: var(--radius-md);
  background: rgba(255,255,255,0.04); border: 1px solid var(--border-subtle); }
.ki-uc-icon svg { width: 20px; height: 20px; color: var(--brand-magenta); }
.ki-uc h3 { font-size: var(--text-base); }
.ki-uc ul { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
.ki-uc li { position: relative; padding-left: 1.3rem; font-size: var(--text-sm); color: var(--fg-1); max-width: none; line-height: 1.45; }
.ki-uc li::before { content: "\201C"; position: absolute; left: 0; top: -2px; color: var(--brand-cyan); font-size: 1.1rem; font-weight: 700; }

/* ---------- PROAKTIVE KI ---------- */
/* .ki-chat / .ki-msg liegen in components.css (auch auf der Startseite genutzt) */
.ki-proactive { position: relative; }

/* Proaktive Befehle (Zuruf) */
.ki-proactive-list { list-style: none; max-width: 46rem; margin: 1.8rem auto 0; display: grid; gap: 0.7rem; }
.ki-proactive-list li {
  position: relative; padding: 0.9rem 1.1rem 0.9rem 2.7rem;
  background: var(--bg-glass); border: 1px solid var(--border-subtle); border-radius: var(--radius-md);
  color: var(--fg-1); font-size: var(--text-sm); line-height: 1.55; max-width: none;
}
.ki-proactive-list li::before {
  content: ""; position: absolute; left: 0.95rem; top: 1.05rem; width: 12px; height: 12px;
  border-radius: 50%; background: var(--brand-cyan); box-shadow: 0 0 0 3px rgba(0,214,230,0.18);
}
.ki-proactive-cap { text-align: center; margin-top: 2.4rem; font-family: var(--font-mono); font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide); text-transform: uppercase; color: var(--brand-cyan); }

/* ---------- FAQ ---------- */
.ki-faq { max-width: 50rem; margin: 2.4rem auto 0; display: flex; flex-direction: column; gap: 0.7rem; }
.ki-faq details { background: var(--bg-glass); border: 1px solid var(--border-default); border-radius: var(--radius-lg); }
.ki-faq summary {
  cursor: pointer; padding: 1.1rem 1.3rem; list-style: none;
  font-family: var(--font-display); font-weight: 600; font-size: var(--text-base); color: var(--fg-0);
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
}
.ki-faq summary::-webkit-details-marker { display: none; }
.ki-faq summary::after { content: "+"; font-size: 1.5rem; line-height: 1; color: var(--brand-cyan); transition: transform var(--dur-base) var(--ease-out); }
.ki-faq details[open] summary::after { transform: rotate(45deg); }
.ki-faq details p { padding: 0 1.3rem 1.2rem; color: var(--fg-2); font-size: var(--text-sm); line-height: 1.65; max-width: none; }

/* ---------- EXPERT ---------- */
.ki-expert { background: linear-gradient(160deg, rgba(107,43,217,0.08), rgba(225,48,108,0.05)); }
.ki-expert .container { max-width: var(--max-narrow); }
.ki-expert p { color: var(--fg-1); font-size: var(--text-lg); margin-bottom: 1rem; }

/* ---------- Schlanker Landing-Header/Footer ---------- */
.ki-mini-footer { border-top: 1px solid var(--border-subtle); padding-block: 2rem; text-align: center;
  font-family: var(--font-mono); font-size: var(--text-xs); color: var(--fg-3); }
.ki-mini-footer p { max-width: none; margin: 0 auto; }
.ki-mini-footer a { color: var(--fg-2); }
.ki-mini-footer a:hover { color: var(--fg-0); }