:root {
  --bg: #0b0f14;
  --bg-raised: #12181f;
  --bg-soft: #0f151c;
  --line: #1f2a35;
  --text: #e6ebf1;
  --muted: #94a3b3;
  --accent: #3987e5;
  --accent-strong: #5aa0f0;
  --good: #22c55e;
  --warn: #eab308;
  --radius: 14px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 17px/1.6 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--accent-strong); }
.wrap { width: min(1120px, 100% - 32px); margin-inline: auto; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Kopf */
.top { position: sticky; top: 0; z-index: 20; background: rgba(11, 15, 20, .86); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 62px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 650; color: var(--text); text-decoration: none; letter-spacing: .2px; }
.brand svg { width: 26px; height: 26px; }
.nav { display: flex; gap: 22px; align-items: center; }
.nav a { color: var(--muted); text-decoration: none; font-size: 15px; }
.nav a:hover { color: var(--text); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 22px; border-radius: 999px; font-weight: 600; font-size: 16px; text-decoration: none; border: 1px solid transparent; cursor: pointer; transition: transform .15s, background .15s; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-strong); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn-ghost:hover { background: var(--bg-raised); }
.btn-sm { padding: 8px 16px; font-size: 14px; }
@media (max-width: 760px) { .nav a:not(.btn) { display: none; } }

/* Hero */
.hero { position: relative; overflow: hidden; padding: 84px 0 40px; background: radial-gradient(1000px 420px at 70% -10%, rgba(57, 135, 229, .22), transparent 70%), radial-gradient(700px 360px at 0% 10%, rgba(25, 158, 112, .12), transparent 70%); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.eyebrow { display: inline-block; font-size: 13px; letter-spacing: .12em; text-transform: uppercase; color: var(--accent-strong); font-weight: 600; margin-bottom: 14px; }
h1 { font-size: clamp(34px, 5vw, 56px); line-height: 1.08; margin: 0 0 18px; letter-spacing: -.02em; }
h1 em { font-style: normal; background: linear-gradient(90deg, var(--accent-strong), #3ccf9a); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: 20px; color: var(--muted); max-width: 34em; margin: 0 0 28px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-note { margin-top: 18px; font-size: 14px; color: var(--muted); }
.hero-visual { position: relative; }
.hero-visual .phone { position: absolute; right: -10px; bottom: -34px; width: 31%; }
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } .hero { padding-top: 56px; } .hero-visual { margin-top: 12px; } .hero-visual .phone { right: 4px; bottom: -22px; } }

/* Rahmen */
.frame { background: var(--bg-raised); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: 0 30px 80px -30px rgba(0, 0, 0, .8), 0 0 0 1px rgba(255, 255, 255, .02) inset; }
.frame-bar { display: flex; gap: 6px; padding: 10px 14px; border-bottom: 1px solid var(--line); background: #0e141b; }
.frame-bar i { width: 10px; height: 10px; border-radius: 50%; background: #2a3644; }
.frame button.zoom { all: unset; display: block; width: 100%; cursor: zoom-in; }
.frame img { width: 100%; height: auto; }
.crop { aspect-ratio: 4 / 3; overflow: hidden; }
.crop img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.phone { border-radius: 26px; border: 6px solid #1b2530; background: #000; overflow: hidden; box-shadow: 0 24px 60px -20px rgba(0, 0, 0, .9); }
.phone button.zoom { all: unset; display: block; cursor: zoom-in; }
.phone img { width: 100%; height: auto; }

/* Abschnitte */
section { padding: 84px 0; }
.alt { background: var(--bg-soft); border-block: 1px solid var(--line); }
h2 { font-size: clamp(28px, 3.6vw, 40px); line-height: 1.15; margin: 0 0 14px; letter-spacing: -.015em; }
.sub { color: var(--muted); font-size: 19px; max-width: 40em; margin: 0 0 40px; }
.center { text-align: center; } .center .sub { margin-inline: auto; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { background: var(--bg-raised); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.card h3 { margin: 10px 0 6px; font-size: 19px; }
.card p { margin: 0; color: var(--muted); font-size: 16px; }
.ico { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; background: rgba(57, 135, 229, .14); color: var(--accent-strong); font-size: 20px; }
@media (max-width: 860px) { .cards { grid-template-columns: 1fr; } }

.feature { display: grid; grid-template-columns: 1fr 1.15fr; gap: 56px; align-items: center; }
.feature.flip { grid-template-columns: 1.15fr 1fr; } .feature.flip .text { order: 2; }
.feature + .feature { margin-top: 84px; }
.text h3 { font-size: clamp(24px, 3vw, 32px); line-height: 1.2; margin: 0 0 12px; letter-spacing: -.01em; }
.text p { color: var(--muted); margin: 0 0 14px; }
.ticks { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 10px; }
.ticks li { position: relative; padding-left: 28px; }
.ticks li::before { content: ""; position: absolute; left: 0; top: .5em; width: 14px; height: 8px; border-left: 2.5px solid var(--good); border-bottom: 2.5px solid var(--good); transform: rotate(-45deg) translateY(-50%); }
@media (max-width: 900px) { .feature, .feature.flip { grid-template-columns: 1fr; gap: 28px; } .feature.flip .text { order: 0; } }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; counter-reset: s; }
.step { position: relative; padding: 28px 24px 24px; background: var(--bg-raised); border: 1px solid var(--line); border-radius: var(--radius); }
.step::before { counter-increment: s; content: counter(s); position: absolute; top: -16px; left: 22px; width: 34px; height: 34px; border-radius: 50%; background: var(--accent); color: #fff; font-weight: 700; display: grid; place-items: center; }
.step h3 { margin: 6px 0 6px; font-size: 19px; } .step p { margin: 0; color: var(--muted); font-size: 16px; }
@media (max-width: 860px) { .steps { grid-template-columns: 1fr; gap: 28px; } }

.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 36px; }
@media (max-width: 760px) { .pair { grid-template-columns: 1fr; } }
.cap { font-size: 14px; color: var(--muted); margin-top: 10px; text-align: center; }

.trust { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
@media (max-width: 760px) { .trust { grid-template-columns: 1fr; } }

/* FAQ */
details { background: var(--bg-raised); border: 1px solid var(--line); border-radius: 12px; padding: 4px 20px; margin-bottom: 12px; }
summary { cursor: pointer; padding: 16px 0; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--accent-strong); font-size: 22px; line-height: 1; }
details[open] summary::after { content: "−"; }
details p { color: var(--muted); margin: 0 0 16px; }

/* Formular */
.contact { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: start; }
@media (max-width: 900px) { .contact { grid-template-columns: 1fr; gap: 28px; } }
form { background: var(--bg-raised); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; display: grid; gap: 16px; }
label { display: grid; gap: 6px; font-size: 15px; color: var(--text); font-weight: 500; }
input[type=text], input[type=email], textarea { width: 100%; font: inherit; color: var(--text); background: #0b1117; border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; }
input:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
textarea { min-height: 120px; resize: vertical; }
fieldset { border: 0; padding: 0; margin: 0; display: grid; gap: 8px; }
legend { font-size: 15px; font-weight: 500; margin-bottom: 4px; }
.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; color: var(--muted); font-size: 15px; }
.check input { margin-top: 5px; accent-color: var(--accent); }
.hp { position: absolute; left: -9999px; }
.msg { padding: 12px 14px; border-radius: 10px; font-size: 15px; display: none; }
.msg.ok { display: block; background: rgba(34, 197, 94, .12); border: 1px solid rgba(34, 197, 94, .4); }
.msg.err { display: block; background: rgba(239, 68, 68, .12); border: 1px solid rgba(239, 68, 68, .4); }
.small { font-size: 14px; color: var(--muted); }

/* Fuss */
footer { border-top: 1px solid var(--line); padding: 40px 0 56px; color: var(--muted); font-size: 14px; }
footer .wrap { display: grid; gap: 14px; }
footer nav { display: flex; gap: 20px; flex-wrap: wrap; }
.disclaimer { max-width: 60em; }

/* Lightbox */
.lb { position: fixed; inset: 0; z-index: 50; background: rgba(5, 8, 12, .92); display: none; align-items: center; justify-content: center; padding: 20px; cursor: zoom-out; overflow: auto; }
.lb.open { display: flex; }
.lb img { max-height: none; max-width: min(1400px, 100%); border-radius: 12px; }
.lb .x { position: fixed; top: 14px; right: 18px; font-size: 32px; color: #fff; background: none; border: 0; cursor: pointer; }

/* Rechtstexte */
.legal { padding: 56px 0 80px; max-width: 760px; }
.legal h1 { font-size: 36px; } .legal h2 { font-size: 22px; margin-top: 36px; } .legal p, .legal li { color: #c3ccd6; }
.legal .todo { background: rgba(234, 179, 8, .12); border: 1px solid rgba(234, 179, 8, .4); border-radius: 10px; padding: 12px 14px; color: var(--text); }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .btn { transition: none; } }

.tl { text-align: left; } .mt { margin-top: 36px; } .mb { margin-bottom: 18px; } .flush { margin: 0; }
.narrow { max-width: 820px; } .crop.bottom img { object-position: bottom; }

.nav a.btn-primary { color: #fff; }
.hero-visual .crop { aspect-ratio: 5 / 4; }