:root {
  --bg: #0b0d17;
  --bg-alt: #11142a;
  --card: #161a33;
  --border: #262b4d;
  --text: #e8eaf6;
  --muted: #9aa0c3;
  --accent: #7c5cff;
  --accent-2: #00d4ff;
  --error: #ff6b81;
  --radius: 14px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }

.container { width: 100%; max-width: 1100px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 720px; }

/* Navigation */
.nav {
  position: sticky; top: 0; z-index: 10;
  background: rgba(11, 13, 23, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font-weight: 800; font-size: 1.25rem; display: flex; align-items: center; gap: 8px; }
.logo-mark {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  font-weight: 800;
}
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links a:not(.btn) { color: var(--muted); font-weight: 500; }
.nav-links a:not(.btn):hover { color: var(--text); }
.menu-btn { display: none; background: none; border: 0; color: var(--text); font-size: 1.5rem; cursor: pointer; }

/* Buttons */
.btn {
  display: inline-block; padding: 14px 28px; border-radius: 999px; border: 0;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; font-weight: 600; font-size: 1rem; cursor: pointer;
  transition: transform .15s, box-shadow .15s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(124, 92, 255, .35); }
.btn-small { padding: 8px 18px; font-size: .9rem; }
.btn-ghost { background: transparent; border: 1px solid var(--border); }
.btn-ghost:hover { box-shadow: none; border-color: var(--accent); }
.btn-full { width: 100%; }

/* Hero */
.hero {
  padding: 120px 0 100px; text-align: center;
  background: radial-gradient(ellipse at top, rgba(124, 92, 255, .25), transparent 60%);
}
.badge {
  display: inline-block; padding: 6px 14px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--card);
  color: var(--accent-2); font-size: .85rem; font-weight: 600; margin-bottom: 24px;
}
h1 { font-size: clamp(2.2rem, 6vw, 4rem); line-height: 1.1; font-weight: 800; margin-bottom: 20px; }
.gradient {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lead { color: var(--muted); font-size: 1.15rem; max-width: 600px; margin: 0 auto 36px; }
.hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* Sections */
.section { padding: 90px 0; }
.section-alt { background: var(--bg-alt); }
h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); font-weight: 800; text-align: center; margin-bottom: 8px; }
.section-sub { color: var(--muted); text-align: center; margin-bottom: 48px; }
h3 { font-size: 1.15rem; margin-bottom: 8px; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; transition: border-color .2s, transform .2s;
}
.card:hover { border-color: var(--accent); transform: translateY(-4px); }
.card p, .step p { color: var(--muted); }
.icon { font-size: 2rem; margin-bottom: 12px; }

.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 24px; margin-top: 48px; text-align: center; }
.step-num {
  display: inline-grid; place-items: center; width: 52px; height: 52px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  font-weight: 800; font-size: 1.3rem; margin-bottom: 16px;
}

/* Form */
.form { display: flex; flex-direction: column; gap: 18px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
label { display: flex; flex-direction: column; gap: 6px; font-weight: 500; font-size: .95rem; }
input, select, textarea {
  font: inherit; color: var(--text); background: var(--bg);
  border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); }
input[type="date"] { color-scheme: dark; }
textarea { resize: vertical; }
.honey { display: none; }
.form-error { color: var(--error); min-height: 1.2em; font-size: .9rem; }

/* FAQ */
details { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 22px; margin-bottom: 12px; }
summary { cursor: pointer; font-weight: 600; }
details p { color: var(--muted); margin-top: 10px; }

.footer { padding: 32px 0; text-align: center; color: var(--muted); border-top: 1px solid var(--border); }

/* Danke-Seite */
.thanks { min-height: 100vh; display: grid; place-items: center; text-align: center; padding: 16px; }
.thanks .lead { margin-bottom: 28px; }

/* Mobile */
@media (max-width: 720px) {
  .menu-btn { display: block; }
  .nav-links {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; gap: 16px; padding: 20px 16px;
    background: var(--bg-alt); border-bottom: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .row { grid-template-columns: 1fr; }
  .hero { padding: 80px 0 70px; }
  .section { padding: 64px 0; }
  .form { padding: 20px; }
}

/* ================= Animationen ================= */
:root { --ease: cubic-bezier(.22, 1, .36, 1); }

/* Navigation: wird beim Scrollen kompakter */
.nav { transition: background .3s var(--ease), box-shadow .3s var(--ease); }
.nav-inner { transition: height .3s var(--ease); }
.nav.scrolled { background: rgba(11, 13, 23, .95); box-shadow: 0 8px 30px rgba(0, 0, 0, .35); }
.nav.scrolled .nav-inner { height: 56px; }
.nav-links a:not(.btn) { position: relative; transition: color .2s; }
.nav-links a:not(.btn)::after {
  content: ""; position: absolute; left: 0; bottom: -4px; height: 2px; width: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transform: scaleX(0); transform-origin: right; transition: transform .35s var(--ease);
}
.nav-links a:not(.btn):hover::after { transform: scaleX(1); transform-origin: left; }

/* Hero-Hintergrund */
.hero { position: relative; overflow: hidden; }
.hero-content { position: relative; z-index: 1; }
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.blob { position: absolute; border-radius: 50%; filter: blur(80px); opacity: .45; }
.blob-1 { width: 420px; height: 420px; background: var(--accent); top: -120px; left: 10%; animation: float 14s ease-in-out infinite; }
.blob-2 { width: 360px; height: 360px; background: var(--accent-2); top: 40px; right: 5%; opacity: .25; animation: float 18s ease-in-out infinite reverse; }
.grid-lines {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, #000 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 20%, transparent 70%);
}
@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(40px, 30px) scale(1.08); }
  66% { transform: translate(-30px, 20px) scale(.95); }
}

/* Hero-Einblendung beim Laden */
.hero-content > * { opacity: 0; transform: translateY(24px); animation: rise .9s var(--ease) forwards; }
.hero-content > *:nth-child(1) { animation-delay: .05s; }
.hero-content > *:nth-child(2) { animation-delay: .15s; }
.hero-content > *:nth-child(3) { animation-delay: .3s; }
.hero-content > *:nth-child(4) { animation-delay: .45s; }
@keyframes rise { to { opacity: 1; transform: none; } }

/* Fließender Farbverlauf im Titel */
.gradient {
  background-image: linear-gradient(90deg, var(--accent), var(--accent-2), var(--accent));
  background-size: 200% auto; animation: shimmer 6s linear infinite;
}
@keyframes shimmer { to { background-position: 200% center; } }

/* Badge mit pulsierendem Punkt */
.badge { position: relative; padding-left: 30px; }
.badge::before {
  content: ""; position: absolute; left: 13px; top: 50%; width: 8px; height: 8px; margin-top: -4px;
  border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 0 0 rgba(0, 212, 255, .6);
  animation: pulse 2s infinite;
}
@keyframes pulse { 70% { box-shadow: 0 0 0 10px rgba(0, 212, 255, 0); } 100% { box-shadow: 0 0 0 0 rgba(0, 212, 255, 0); } }

/* Buttons: Lichtreflex */
.btn { position: relative; overflow: hidden; transition: transform .25s var(--ease), box-shadow .25s var(--ease); }
.btn::after {
  content: ""; position: absolute; top: 0; left: -75%; width: 50%; height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,.35), transparent);
  transform: skewX(-20deg); transition: left .7s var(--ease);
}
.btn:hover::after { left: 130%; }
.btn:active { transform: translateY(0) scale(.98); }

/* Scroll-Reveal */
.reveal { opacity: 0; transform: translateY(32px); transition: opacity .8s var(--ease), transform .8s var(--ease); transition-delay: var(--delay, 0s); }
.reveal.visible { opacity: 1; transform: none; }

/* Karten: Licht folgt der Maus */
.card { position: relative; overflow: hidden; }
.card.visible { transition: border-color .3s, transform .4s var(--ease), box-shadow .4s var(--ease), opacity .8s var(--ease); }
.card::before {
  content: ""; position: absolute; inset: 0; opacity: 0; transition: opacity .3s;
  background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 50%), rgba(124, 92, 255, .18), transparent 40%);
}
.card:hover::before { opacity: 1; }
.card:hover { box-shadow: 0 20px 40px rgba(0, 0, 0, .35); }
.card > * { position: relative; }
.icon { display: inline-block; transition: transform .4s var(--ease); }
.card:hover .icon { transform: scale(1.15) rotate(-6deg); }

/* Schritte */
.step-num { transition: transform .4s var(--ease), box-shadow .4s var(--ease); }
.step:hover .step-num { transform: translateY(-4px) scale(1.06); box-shadow: 0 10px 30px rgba(124, 92, 255, .45); }

/* Formular */
input, select, textarea { transition: border-color .2s, box-shadow .2s, background .2s; }
input:focus, select:focus, textarea:focus { box-shadow: 0 0 0 4px rgba(124, 92, 255, .18); background: #0e1122; }
.form-error:not(:empty) { animation: shake .4s var(--ease); }
@keyframes shake { 20%, 60% { transform: translateX(-6px); } 40%, 80% { transform: translateX(6px); } }
.btn.loading { pointer-events: none; opacity: .8; }

/* FAQ: weiches Aufklappen */
details { transition: border-color .3s, opacity .8s var(--ease), transform .8s var(--ease); }
details[open] { border-color: var(--accent); }
summary { list-style: none; display: flex; justify-content: space-between; align-items: center; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font-size: 1.4rem; color: var(--accent-2); transition: transform .3s var(--ease); }
details[open] summary::after { transform: rotate(45deg); }
details[open] p { animation: rise .45s var(--ease) both; }
details p { opacity: 1; }

/* Mobile-Menü */
@keyframes drop { from { opacity: 0; transform: translateY(-10px); } }
@media (max-width: 720px) {
  .nav-links.open { animation: drop .35s var(--ease); }
  .blob-1 { width: 280px; height: 280px; }
  .blob-2 { width: 220px; height: 220px; }
}

/* ================= Features ================= */

/* Scroll-Fortschritt */
.progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 100%; z-index: 20;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transform: scaleX(0); transform-origin: left;
}

/* Schreibmaschinen-Effekt */
.typed { color: var(--text); font-weight: 600; }
.caret { display: inline-block; width: 2px; height: 1.1em; margin-left: 2px; vertical-align: -0.15em; background: var(--accent-2); animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* Technologie-Laufband */
.marquee-section { border-block: 1px solid var(--border); background: var(--bg-alt); padding: 22px 0; }
.marquee { overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.marquee-track { display: flex; gap: 48px; width: max-content; animation: scroll-x 30s linear infinite; }
.marquee-track span { color: var(--muted); font-weight: 600; font-size: 1.05rem; white-space: nowrap; transition: color .2s; }
.marquee-track span:hover { color: var(--text); }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes scroll-x { to { transform: translateX(calc(-50% - 24px)); } }

/* Karten-Link */
.card { display: block; }
.card-link { display: inline-block; margin-top: 14px; color: var(--accent-2); font-weight: 600; font-size: .9rem; transition: transform .3s var(--ease); }
.card:hover .card-link { transform: translateX(4px); }

/* Vorteile */
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.feature { display: flex; gap: 16px; align-items: flex-start; padding: 22px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--card); }
.feature p { color: var(--muted); }
.feature-icon { font-size: 1.6rem; flex-shrink: 0; width: 48px; height: 48px; display: grid; place-items: center; border-radius: 12px; background: rgba(124, 92, 255, .15); }

/* Formular-Extras */
.counter { align-self: flex-end; font-size: .8rem; color: var(--muted); font-weight: 400; }
.counter.warn { color: var(--error); }
.check { flex-direction: row; align-items: flex-start; gap: 10px; font-weight: 400; font-size: .9rem; color: var(--muted); }
.check input { width: 18px; height: 18px; margin-top: 2px; flex-shrink: 0; accent-color: var(--accent); }
.check a, details a, .legal a { color: var(--accent-2); text-decoration: underline; text-underline-offset: 3px; }

/* Nach-oben-Button */
.to-top {
  position: fixed; right: 20px; bottom: 20px; z-index: 15; width: 46px; height: 46px; border-radius: 50%; border: 0;
  background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; font-size: 1.2rem; cursor: pointer;
  opacity: 0; transform: translateY(16px); pointer-events: none; transition: opacity .3s var(--ease), transform .3s var(--ease);
}
.to-top.show { opacity: 1; transform: none; pointer-events: auto; }

/* Hinweis-Toast */
.toast {
  position: fixed; left: 50%; bottom: 24px; z-index: 30; max-width: calc(100% - 32px);
  padding: 12px 20px; border-radius: 12px; background: var(--card); border: 1px solid var(--border);
  box-shadow: 0 12px 30px rgba(0, 0, 0, .4); font-size: .95rem;
  opacity: 0; transform: translate(-50%, 16px); pointer-events: none; transition: opacity .3s var(--ease), transform .3s var(--ease);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* Footer */
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.footer-links { display: flex; gap: 20px; }
.footer-links a:hover { color: var(--text); }
@media (max-width: 720px) { .footer-inner { justify-content: center; } }

/* Rechtstexte */
.legal { padding-top: 60px; padding-bottom: 80px; }
.legal h1 { font-size: clamp(2rem, 5vw, 2.8rem); }
.legal h2 { text-align: left; font-size: 1.3rem; margin: 36px 0 10px; }
.legal p, .legal li { color: var(--muted); margin-bottom: 12px; }
.legal ul { padding-left: 22px; }
.legal-date { font-size: .9rem; }

/* Barrierefreiheit: weniger Bewegung */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal, .hero-content > * { opacity: 1; transform: none; }
}

/* Hinweis im Formular */
.form-note { font-size: .9rem; color: var(--muted); background: rgba(0, 212, 255, .07); border: 1px solid rgba(0, 212, 255, .25); border-radius: 10px; padding: 12px 14px; }
.form-note strong { color: var(--text); }