/* ==========================================================================
   PRISMAX — Design System
   Konzept: Licht wird durch ein Prisma gebrochen und geordnet.
   Chrom-Oberflächen, Neon-Cyan, irisierende Spektrum-Akzente auf Dunkelgrund.
   ========================================================================== */

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

:root {
  /* Farben */
  --bg: #05070b;
  --bg-elevated: #0a0e15;
  --surface: #10151d;
  --surface-hover: #161c27;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);

  --text-primary: #edf1f5;
  --text-secondary: #9aa5b4;
  --text-muted: #626d7c;

  --cyan: #4ce0e8;
  --cyan-dim: #2ba9b4;
  --violet: #b98cff;
  --pink: #ff8fd6;

  --gradient-prism: linear-gradient(90deg, #4ce0e8 0%, #8fb7ff 35%, #b98cff 65%, #ff8fd6 100%);
  --gradient-prism-soft: linear-gradient(135deg, rgba(76, 224, 232, 0.14), rgba(185, 140, 255, 0.10) 50%, rgba(255, 143, 214, 0.08));

  /* Typografie */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  /* Abstände — 8pt System */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;
  --space-10: 128px;

  --radius-s: 8px;
  --radius-m: 14px;
  --radius-l: 22px;
  --radius-full: 999px;

  --container: 1180px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.15; margin: 0; color: var(--text-primary); font-weight: 600; }
p { margin: 0; }
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Layout Helpers ---------- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-5);
}
.section { padding: var(--space-9) 0; }
.section--tight { padding: var(--space-8) 0; }
@media (max-width: 768px) {
  .section { padding: var(--space-8) 0; }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: var(--space-4);
}
.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--gradient-prism);
}

.section-head {
  max-width: 640px;
  margin: 0 0 var(--space-7);
}
.section-head.center { margin-inline: auto; text-align: center; }
.section-head h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); }
.section-head p { color: var(--text-secondary); margin-top: var(--space-4); font-size: 1.05rem; }

.prism-divider {
  height: 2px;
  width: 64px;
  background: var(--gradient-prism);
  border-radius: var(--radius-full);
  margin: var(--space-4) 0;
}

/* ---------- Buttons ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), background 0.35s var(--ease), border-color .35s var(--ease);
  overflow: hidden;
  white-space: nowrap;
}
.btn-primary {
  background: var(--gradient-prism);
  color: #041014;
}
.btn-primary::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 20%, rgba(255,255,255,0.55) 40%, transparent 60%);
  transform: translateX(-120%);
  transition: transform 0.7s var(--ease);
}
.btn-primary:hover::after { transform: translateX(120%); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 30px -8px rgba(76, 224, 232, 0.45); }
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background: rgba(255,255,255,0.02);
  color: var(--text-primary);
  border-color: var(--border-strong);
}
.btn-secondary:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px -10px rgba(76,224,232,0.35);
}

.btn-block { width: 100%; }
.btn:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }

/* ---------- Navigation ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  padding: var(--space-4) 0;
  transition: padding 0.3s var(--ease);
}
.nav-shell {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}
.nav-pill {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(10, 14, 21, 0.65);
  border: 1px solid var(--border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius-full);
  padding: var(--space-2);
  transition: box-shadow 0.35s var(--ease), border-color 0.35s var(--ease), background 0.35s var(--ease);
}
.site-header.is-scrolled .nav-pill {
  box-shadow: 0 12px 40px -18px rgba(0,0,0,0.7);
  border-color: var(--border-strong);
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
}
.brand-mark {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}
.brand-mark .mark-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}
.brand-mark .mark-text {
  background: var(--gradient-prism);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.footer-brand .brand-mark { font-size: 1.4rem; margin-bottom: var(--space-4); }
.footer-brand .brand-mark .mark-icon { width: 24px; height: 24px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
}
.nav-links a {
  display: block;
  padding: 10px 18px;
  border-radius: var(--radius-full);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: background 0.3s var(--ease), color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.nav-links a:hover, .nav-links a:focus-visible {
  color: var(--text-primary);
  background: var(--surface-hover);
  box-shadow: 0 6px 18px -8px rgba(76,224,232,0.35), inset 0 0 0 1px var(--border-strong);
}
.nav-links a.active { color: var(--cyan); }

.nav-cta { margin-left: var(--space-2); }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  padding: var(--space-2) var(--space-3);
}
.nav-toggle svg { width: 24px; height: 24px; }

@media (max-width: 920px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav-cta.desktop-only { display: none; }
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 250;
  background: rgba(5,7,11,0.98);
  backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-5);
  transform: translateY(-100%);
  transition: transform 0.5s var(--ease);
}
.mobile-menu.open { transform: translateY(0); }
.mobile-menu a { font-family: var(--font-display); font-size: 1.5rem; color: var(--text-primary); }
.mobile-menu .btn-primary { margin-top: var(--space-4); }
.mobile-close {
  position: absolute;
  top: var(--space-5); right: var(--space-5);
  background: none; border: none; color: var(--text-primary);
}
.mobile-close svg { width: 28px; height: 28px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: calc(var(--space-10) + 40px) 0 var(--space-9);
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-8);
  align-items: center;
}
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
}
.hero h1 {
  font-size: clamp(2.3rem, 5vw, 3.6rem);
  letter-spacing: -0.02em;
}
.hero h1 .grad {
  background: var(--gradient-prism);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p.lead {
  margin-top: var(--space-5);
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 520px;
}
.hero-actions { display: flex; gap: var(--space-4); margin-top: var(--space-7); flex-wrap: wrap; }
.hero-meta {
  margin-top: var(--space-8);
  display: flex; gap: var(--space-7);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-muted);
}
.hero-meta strong { display: block; font-family: var(--font-display); font-size: 1.3rem; color: var(--text-primary); }

/* Prism visual */
.prism-visual { position: relative; width: 100%; aspect-ratio: 1/1; max-width: 460px; margin-inline: auto; }
.prism-visual svg { width: 100%; height: 100%; }

.beam { animation: beam-pulse 5s ease-in-out infinite; transform-origin: center; }
.beam:nth-child(2) { animation-delay: -1.2s; }
.beam:nth-child(3) { animation-delay: -2.4s; }
@keyframes beam-pulse {
  0%, 100% { opacity: 0.35; }
  50% { opacity: 0.9; }
}
.prism-core { animation: prism-rotate 22s linear infinite; transform-origin: center; }
@keyframes prism-rotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Ambient background glow (site-wide) */
.ambient {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}
.ambient span {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.28;
}
.ambient .g1 { width: 460px; height: 460px; background: var(--cyan); top: -160px; left: -120px; }
.ambient .g2 { width: 420px; height: 420px; background: var(--violet); top: 60px; right: -160px; }
.ambient .g3 { width: 380px; height: 380px; background: var(--pink); bottom: -180px; left: 30%; opacity: 0.16; }

/* ---------- Cards / Glass ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  padding: var(--space-6);
  position: relative;
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease), background 0.4s var(--ease), box-shadow .4s var(--ease);
}
.card:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  background: var(--surface-hover);
  box-shadow: 0 20px 50px -24px rgba(0,0,0,0.6);
}
.card-icon {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-s);
  background: var(--gradient-prism-soft);
  border: 1px solid var(--border);
  margin-bottom: var(--space-5);
  color: var(--cyan);
  transition: transform 0.4s var(--ease);
}
.card:hover .card-icon { transform: scale(1.08) rotate(-4deg); }
.card-icon svg { width: 24px; height: 24px; }
.card h3 { font-size: 1.15rem; margin-bottom: var(--space-3); }
.card p { color: var(--text-secondary); font-size: 0.96rem; }

/* Grids */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-5); }
@media (max-width: 900px) { .grid-3 { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 620px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }

/* ---------- Vorteile (icon list) ---------- */
.benefit {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--border);
}
.benefit .num { font-family: var(--font-mono); color: var(--cyan-dim); font-size: 0.85rem; padding-top: 3px; }
.benefit h3 { font-size: 1.02rem; margin-bottom: var(--space-2); font-family: var(--font-display); }
.benefit p { color: var(--text-secondary); font-size: 0.94rem; }

/* ---------- Testimonials ---------- */
.testimonial {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  padding: var(--space-6);
}
.testimonial .quote { font-size: 1.05rem; color: var(--text-primary); }
.testimonial .quote::before { content: "“"; color: var(--cyan); font-family: var(--font-display); }
.testimonial .who { display: flex; align-items: center; gap: var(--space-3); margin-top: var(--space-5); }
.avatar {
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--gradient-prism);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 700; color: #041014; font-size: 0.85rem;
}
.who .name { font-weight: 600; font-size: 0.92rem; }
.who .role { color: var(--text-muted); font-size: 0.82rem; }

.stat-bar {
  display: flex;
  justify-content: space-between;
  gap: var(--space-5);
  margin-top: var(--space-8);
  padding-top: var(--space-7);
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.stat { text-align: center; flex: 1; min-width: 130px; }
.stat strong { display: block; font-family: var(--font-display); font-size: 2rem; background: var(--gradient-prism); -webkit-background-clip:text; background-clip:text; color: transparent; }
.stat span { color: var(--text-muted); font-size: 0.85rem; font-family: var(--font-mono); }

/* ---------- Team / Portrait ---------- */
.profile-card {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: var(--space-7);
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-l);
  padding: var(--space-7);
}
@media (max-width: 760px) { .profile-card { grid-template-columns: 1fr; text-align: center; } }
.profile-photo {
  aspect-ratio: 1/1;
  border-radius: var(--radius-m);
  background: var(--gradient-prism-soft);
  border: 1px solid var(--border-strong);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-size: 3.5rem;
  color: var(--cyan);
  position: relative;
  overflow: hidden;
}
.profile-photo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
}
.profile-photo::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(76,224,232,0.14) 50%, transparent 70%);
  animation: sheen 6s ease-in-out infinite;
  pointer-events: none;
}
.profile-photo::before {
  content: "";
  position: absolute; inset: 0;
  box-shadow: inset 0 0 0 1px rgba(76,224,232,0.25), inset 0 -40px 70px -20px rgba(5,7,11,0.75);
  z-index: 1;
  pointer-events: none;
}
@keyframes sheen { 0%, 100% { transform: translateX(-40%);} 50% { transform: translateX(40%);} }
.tag-row { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-5); }
.tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-strong);
  color: var(--text-secondary);
}

/* ---------- CTA Banner ---------- */
.cta-banner {
  border-radius: var(--radius-l);
  padding: var(--space-8);
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  position: relative;
  overflow: hidden;
  text-align: center;
}
.cta-banner::before {
  content: "";
  position: absolute; inset: -2px;
  background: var(--gradient-prism);
  opacity: 0.14;
  filter: blur(60px);
}
.cta-banner h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); position: relative; }
.cta-banner p { color: var(--text-secondary); margin-top: var(--space-4); position: relative; max-width: 520px; margin-inline: auto; }
.cta-banner .hero-actions { justify-content: center; position: relative; }

/* ---------- FAQ Accordion ---------- */
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: none;
  border: none;
  color: var(--text-primary);
  text-align: left;
  padding: var(--space-5) 0;
  font-family: var(--font-display);
  font-size: 1.02rem;
  gap: var(--space-4);
}
.faq-q .plus { flex-shrink: 0; width: 20px; height: 20px; position: relative; }
.faq-q .plus::before, .faq-q .plus::after {
  content: "";
  position: absolute; background: var(--cyan);
  transition: transform 0.35s var(--ease);
}
.faq-q .plus::before { width: 100%; height: 2px; top: 50%; left: 0; transform: translateY(-50%); }
.faq-q .plus::after { height: 100%; width: 2px; left: 50%; top: 0; transform: translateX(-50%); }
.faq-item.open .plus::after { transform: translateX(-50%) rotate(90deg); opacity: 0; }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease);
}
.faq-a p { color: var(--text-secondary); padding-bottom: var(--space-5); max-width: 680px; }
.faq-category { font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--cyan-dim); margin: var(--space-8) 0 var(--space-3); }
.faq-category:first-child { margin-top: 0; }

/* ---------- Forms ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); }
@media (max-width: 700px) { .form-grid { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: var(--space-2); margin-bottom: var(--space-5); }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 0.85rem; color: var(--text-secondary); font-family: var(--font-mono); }
.field input, .field textarea, .field select {
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-s);
  padding: 13px 16px;
  color: var(--text-primary);
  font-size: 0.98rem;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 4px rgba(76,224,232,0.12);
}
.field textarea { resize: vertical; min-height: 140px; }
.field .hint { font-size: 0.78rem; color: var(--text-muted); }
.form-status { margin-top: var(--space-4); font-size: 0.9rem; }
.form-status.success { color: var(--cyan); }
.form-status.error { color: var(--pink); }
.checkbox-field { display: flex; align-items: flex-start; gap: var(--space-3); margin-bottom: var(--space-5); }
.checkbox-field input { margin-top: 4px; accent-color: var(--cyan); }
.checkbox-field label { font-size: 0.86rem; color: var(--text-secondary); font-family: var(--font-body); }

/* Contact info cards */
.contact-info { display: flex; flex-direction: column; gap: var(--space-4); }
.contact-info a.card, .contact-info .card { display: flex; align-items: center; gap: var(--space-4); padding: var(--space-5); }
.contact-info .card-icon { margin-bottom: 0; flex-shrink: 0; }
.contact-info .label { font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: .08em; }
.contact-info .value { font-size: 1.05rem; font-weight: 600; margin-top: 2px; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: var(--space-8) 0 var(--space-6);
  background: var(--bg-elevated);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--space-6);
}
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 500px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand p { color: var(--text-secondary); font-size: 0.9rem; max-width: 260px; }
.footer-col h5 { font-family: var(--font-mono); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); margin-bottom: var(--space-4); }
.footer-col a { display: block; color: var(--text-secondary); font-size: 0.92rem; padding: 6px 0; transition: color 0.25s var(--ease); }
.footer-col a:hover { color: var(--cyan); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: var(--space-8); padding-top: var(--space-5);
  border-top: 1px solid var(--border);
  font-size: 0.82rem; color: var(--text-muted);
  flex-wrap: wrap; gap: var(--space-3);
}
.footer-bottom a:hover { color: var(--cyan); }

/* ---------- Page Header (subpages) ---------- */
.page-hero {
  padding: calc(var(--space-9) + 40px) 0 var(--space-7);
  position: relative;
}
.page-hero h1 { font-size: clamp(2rem, 4vw, 2.9rem); max-width: 720px; }
.page-hero p.lead { margin-top: var(--space-5); color: var(--text-secondary); font-size: 1.08rem; max-width: 620px; }
.breadcrumb { font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-muted); margin-bottom: var(--space-4); }
.breadcrumb a:hover { color: var(--cyan); }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* ---------- Legal pages ---------- */
.legal-content h2 { font-size: 1.3rem; margin: var(--space-7) 0 var(--space-3); }
.legal-content h2:first-child { margin-top: 0; }
.legal-content p, .legal-content li { color: var(--text-secondary); margin-bottom: var(--space-3); }
.legal-content ul { padding-left: var(--space-5); list-style: disc; }
.legal-content a { color: var(--cyan); text-decoration: underline; text-underline-offset: 3px; }
.legal-content { max-width: 760px; }

/* Skip link (a11y) */
.skip-link {
  position: absolute; top: -60px; left: var(--space-4);
  background: var(--cyan); color: #041014; padding: 10px 18px;
  border-radius: var(--radius-s); z-index: 999; font-weight: 600;
  transition: top 0.3s var(--ease);
}
.skip-link:focus { top: var(--space-4); }

/* Utility */
.text-center { text-align: center; }
.mt-0 { margin-top: 0 !important; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ==========================================================================
   Chat-Assistent (FAQ-Bot)
   ========================================================================== */
.chat-launcher {
  position: fixed;
  bottom: var(--space-5);
  right: var(--space-5);
  z-index: 220;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: none;
  background: var(--gradient-prism);
  color: #041014;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 12px 34px -10px rgba(76, 224, 232, 0.55);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.chat-launcher:hover { transform: translateY(-3px) scale(1.04); box-shadow: 0 16px 40px -8px rgba(76, 224, 232, 0.65); }
.chat-launcher svg { width: 26px; height: 26px; }
.chat-launcher .icon-close { display: none; }
.chat-launcher.open .icon-chat { display: none; }
.chat-launcher.open .icon-close { display: block; }
.chat-launcher .ping {
  position: absolute;
  top: -3px; right: -3px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--pink);
  border: 2px solid var(--bg);
  animation: chat-ping 2.4s ease-in-out infinite;
}
@keyframes chat-ping {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.25); opacity: 0.7; }
}

.chat-panel {
  position: fixed;
  bottom: calc(var(--space-5) + 74px);
  right: var(--space-5);
  z-index: 221;
  width: 380px;
  max-width: calc(100vw - 2 * var(--space-5));
  height: min(600px, 70vh);
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-l);
  box-shadow: 0 30px 80px -20px rgba(0,0,0,0.65);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  transform: translateY(16px) scale(0.98);
  pointer-events: none;
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}
.chat-panel.open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}
@media (max-width: 480px) {
  .chat-panel {
    right: var(--space-3);
    left: var(--space-3);
    width: auto;
    bottom: calc(var(--space-5) + 74px);
    height: min(520px, 65vh);
  }
}

.chat-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  flex-shrink: 0;
}
.chat-header .chat-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--gradient-prism);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.chat-header .chat-avatar svg { width: 18px; height: 18px; color: #041014; }
.chat-header .chat-title { font-family: var(--font-display); font-weight: 700; font-size: 0.98rem; }
.chat-header .chat-status { font-size: 0.76rem; color: var(--text-muted); display: flex; align-items: center; gap: 6px; }
.chat-header .chat-status::before { content:""; width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 8px var(--cyan); }

.chat-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.chat-body::-webkit-scrollbar { width: 6px; }
.chat-body::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: var(--radius-full); }

.chat-msg { display: flex; max-width: 88%; }
.chat-msg.bot { align-self: flex-start; }
.chat-msg.user { align-self: flex-end; }
.chat-msg .bubble {
  padding: 11px 15px;
  border-radius: var(--radius-m);
  font-size: 0.9rem;
  line-height: 1.5;
}
.chat-msg.bot .bubble {
  background: var(--surface);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
  color: var(--text-primary);
}
.chat-msg.user .bubble {
  background: var(--gradient-prism);
  color: #041014;
  border-bottom-right-radius: 4px;
  font-weight: 500;
}
.chat-msg .bubble a { color: var(--cyan); text-decoration: underline; text-underline-offset: 2px; }
.chat-msg.bot .bubble a { color: var(--cyan); }
.chat-msg.user .bubble a { color: #041014; }

.chat-typing { align-self: flex-start; display: flex; gap: 4px; padding: 12px 15px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-m); border-bottom-left-radius: 4px; }
.chat-typing span { width: 6px; height: 6px; border-radius: 50%; background: var(--text-muted); animation: chat-typing-bounce 1.2s infinite; }
.chat-typing span:nth-child(2) { animation-delay: 0.15s; }
.chat-typing span:nth-child(3) { animation-delay: 0.3s; }
@keyframes chat-typing-bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.5; }
  30% { transform: translateY(-4px); opacity: 1; }
}

.chat-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding: 0 var(--space-5) var(--space-4);
  flex-shrink: 0;
}
.chat-chip {
  font-family: var(--font-body);
  font-size: 0.8rem;
  padding: 8px 14px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-strong);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease), background 0.25s var(--ease);
}
.chat-chip:hover { border-color: var(--cyan); color: var(--cyan); background: rgba(76,224,232,0.08); }

.chat-input-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4);
  border-top: 1px solid var(--border);
  background: var(--surface);
  flex-shrink: 0;
}
.chat-input-row input {
  flex: 1;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-full);
  padding: 11px 16px;
  color: var(--text-primary);
  font-size: 0.88rem;
}
.chat-input-row input:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(76,224,232,0.14);
}
.chat-input-row button {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: none;
  background: var(--gradient-prism);
  color: #041014;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: transform 0.25s var(--ease);
}
.chat-input-row button:hover { transform: scale(1.06); }
.chat-input-row button svg { width: 18px; height: 18px; }

.chat-disclaimer {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-align: center;
  padding: 0 var(--space-4) var(--space-3);
  flex-shrink: 0;
}

/* Software-Seite: Filter-Chip aktiver Zustand */
.filter-chip.active {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(76,224,232,0.1);
}

/* ==========================================================================
   PushState-Navigation ("Frame-Gefühl")
   ========================================================================== */
#main {
  transition: opacity 0.2s ease-out;
}
#main:focus {
  outline: none;
}
#main.pjax-fade {
  opacity: 0;
}

.pjax-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: var(--gradient-prism);
  z-index: 300;
  opacity: 0;
  pointer-events: none;
}
.pjax-progress.active {
  opacity: 1;
}