:root {
  --bg: #0f0f0f;
  --surface: #1a1a1a;
  --surface-raised: #242424;
  --surface-active: #2e2e2e;
  --primary: #6c8efb;
  --primary-dark: #4a6cf7;
  --secondary: #a78bfa;
  --success: #34d399;
  --warning: #fbbf24;
  --error: #f87171;
  --text: #f5f5f5;
  --text-2: #a1a1aa;
  --text-muted: #52525b;
  --border: #2e2e2e;
  --border-subtle: #1f1f1f;
  --radius: 16px;
  --radius-lg: 24px;
  --max: 1080px;
  --gutter: 16px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
section { padding: 72px 0; }
h1, h2, h3 { margin: 0; letter-spacing: -0.02em; line-height: 1.15; }
h1 { font-size: clamp(2.1rem, 5.5vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); font-weight: 800; }
h3 { font-size: 1.1rem; font-weight: 700; }
p { margin: 0; }
.lead { color: var(--text-2); font-size: clamp(1.05rem, 1.8vw, 1.25rem); }
.eyebrow {
  display: inline-block; font-size: .78rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--primary); margin-bottom: 14px;
}
.section-head { max-width: 640px; margin-bottom: 40px; }
.section-head p { margin-top: 12px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px; padding: 14px 22px;
  border-radius: 14px; font-weight: 700; font-size: 1rem; border: 1px solid transparent;
  transition: transform .12s ease, background .12s ease, border-color .12s ease;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--primary); color: #0b0b0b; }
.btn-primary:hover { background: #82a0ff; }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--text-muted); background: var(--surface); }
.btn svg { width: 20px; height: 20px; flex: none; }

/* Nav */
header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(15,15,15,.82); backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--border-subtle);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; }
.brand:hover { text-decoration: none; }
.brand img { width: 40px; height: 40px; border-radius: 10px; }
.nav-links { display: flex; gap: 26px; font-size: .95rem; color: var(--text-2); }
.nav-links a { color: inherit; white-space: nowrap; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav .btn { padding: 10px 16px; font-size: .92rem; }
.nav-right { display: flex; align-items: center; gap: 14px; }
.lang { display: flex; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; font-size: .8rem; font-weight: 700; }
.lang a { color: var(--text-2); padding: 7px 10px; }
.lang a + a { border-left: 1px solid var(--border); }
.lang a:hover { color: var(--text); background: var(--surface); text-decoration: none; }
.lang a.on { color: var(--primary); background: rgba(108,142,251,.12); }
@media (max-width: 960px) { .nav-links { display: none; } }
@media (max-width: 420px) { .nav .btn { display: none; } }

/* Hero */
.hero { padding: 72px 0 40px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.hero .wordmark { width: min(260px, 60vw); margin: 0 0 18px -10px; mix-blend-mode: lighten; }
.hero .lead { margin: 20px 0 32px; max-width: 520px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.hero-note { color: var(--text-muted); font-size: .85rem; margin-top: 14px; }
.trust { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 36px; color: var(--text-2); font-size: .92rem; }
.trust span { display: inline-flex; align-items: center; gap: 8px; }
.trust b { color: var(--success); font-weight: 700; }
@media (max-width: 860px) {
  .hero { padding-top: 40px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero .wordmark { margin-top: 0; }
}

/* Phone mockup */
.phone-wrap { display: flex; justify-content: center; }
.phone {
  width: 300px; aspect-ratio: 300 / 620; border-radius: 46px; padding: 12px;
  background: #1c1c1e; border: 1px solid #3a3a3c;
  box-shadow: 0 40px 90px rgba(0,0,0,.6), 0 0 0 1px #000 inset, 0 0 120px rgba(108,142,251,.15);
  position: relative;
}
.screen {
  background: var(--bg); border-radius: 36px; height: 100%; overflow: hidden;
  padding: 44px 16px 0; position: relative; font-size: 13px;
}
.island { position: absolute; top: 12px; left: 50%; transform: translateX(-50%); width: 96px; height: 28px; background: #000; border-radius: 20px; }
.scr-head { display: flex; align-items: flex-start; justify-content: space-between; margin: 6px 4px 18px; }
.scr-head h4 { margin: 0; font-size: 24px; font-weight: 800; letter-spacing: -.02em; }
.scr-head small { color: var(--text-2); font-size: 11px; }
.scr-plus { width: 40px; height: 40px; border-radius: 13px; background: var(--primary); color: #0b0b0b; display: grid; place-items: center; font-size: 24px; font-weight: 500; line-height: 1; }
.card { background: var(--surface); border-radius: var(--radius); padding: 14px; margin-bottom: 12px; }
.card-title { display: flex; justify-content: space-between; font-weight: 700; font-size: 15px; }
.card-title span:last-child { color: var(--text-2); letter-spacing: 1px; }
.pills { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.pill { padding: 3px 9px; border-radius: 999px; background: var(--surface-raised); color: var(--text-2); font-size: 10.5px; font-weight: 500; }
.pill.accent { background: rgba(108,142,251,.15); color: var(--primary); }
.prog { margin: 12px 0; }
.prog-row { display: flex; justify-content: space-between; font-size: 10.5px; color: var(--text-2); margin-bottom: 5px; }
.prog-row span:last-child { color: var(--text-muted); }
.bar { height: 6px; border-radius: 999px; background: var(--surface-raised); overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--primary); border-radius: 999px; }
.mini-btn { background: var(--primary); color: #0b0b0b; text-align: center; font-weight: 700; padding: 9px; border-radius: 12px; font-size: 13px; }
.tabbar { position: absolute; left: 0; right: 0; bottom: 0; height: 64px; border-top: 1px solid var(--border-subtle); background: var(--bg); display: flex; justify-content: space-around; align-items: flex-start; padding-top: 10px; font-size: 10px; color: var(--text-muted); }
.tabbar div { display: flex; flex-direction: column; align-items: center; gap: 3px; }
.tabbar .on { color: var(--primary); }
.tabbar svg { width: 22px; height: 22px; fill: currentColor; }
@media (max-width: 400px) { .phone { width: 270px; } }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: step; }
.step { background: var(--surface); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); padding: 28px 26px; position: relative; }
.step::before {
  counter-increment: step; content: counter(step);
  position: absolute; top: 22px; right: 24px; font-weight: 800; font-size: 2.4rem; color: var(--surface-active); line-height: 1;
}
.step .emoji { font-size: 2rem; line-height: 1; margin-bottom: 18px; }
.step p { color: var(--text-2); margin-top: 8px; font-size: .97rem; }
@media (max-width: 860px) { .steps { grid-template-columns: 1fr; } }

/* Modes */
.modes { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.mode { background: var(--surface); border-radius: var(--radius); padding: 22px 18px; border: 1px solid var(--border-subtle); }
.mode .emoji { font-size: 1.7rem; line-height: 1; margin-bottom: 14px; }
.mode h3 { font-size: 1rem; }
.mode p { color: var(--text-2); font-size: .9rem; margin-top: 6px; }
@media (max-width: 1000px) { .modes { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 640px) { .modes { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 400px) { .modes { grid-template-columns: 1fr; } }

/* Smart */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.feature-list { display: grid; gap: 22px; margin-top: 28px; }
.feature { display: grid; grid-template-columns: 44px 1fr; gap: 16px; }
.feature .ico { width: 44px; height: 44px; border-radius: 12px; background: rgba(108,142,251,.12); display: grid; place-items: center; font-size: 1.3rem; }
.feature p { color: var(--text-2); font-size: .95rem; margin-top: 4px; }
.exam-card { background: var(--surface); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); padding: 24px; }
.exam-card .notif {
  background: var(--surface-raised); border-radius: 14px; padding: 12px 14px; display: grid; grid-template-columns: 36px 1fr; gap: 12px; margin-top: 18px; font-size: .88rem;
}
.exam-card .notif img { width: 36px; height: 36px; border-radius: 9px; }
.exam-card .notif b { display: block; font-size: .88rem; }
.exam-card .notif span { color: var(--text-2); }
.exam-card .notif small { color: var(--text-muted); float: right; }
.words { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 18px; }
.word { background: var(--surface-raised); border-radius: 10px; padding: 8px 12px; font-size: .85rem; display: flex; justify-content: space-between; align-items: center; }
.word i { font-style: normal; width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.word i.ok { background: var(--success); } .word i.weak { background: var(--error); } .word i.new { background: var(--text-muted); }
.legend { display: flex; gap: 16px; margin-top: 14px; font-size: .78rem; color: var(--text-muted); }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; gap: 36px; } }

/* Privacy */
.privacy-intro {
  background: rgba(108,142,251,.10); border: 1px solid rgba(108,142,251,.30); border-radius: var(--radius-lg);
  padding: 26px 28px; font-size: 1.08rem; margin-bottom: 20px;
}
.privacy-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.pv { background: var(--surface); border-radius: var(--radius); padding: 20px 20px; border: 1px solid var(--border-subtle); }
.pv h3 { font-size: 1rem; margin-bottom: 6px; }
.pv p { color: var(--text-2); font-size: .92rem; }
@media (max-width: 860px) { .privacy-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .privacy-grid { grid-template-columns: 1fr; } }

/* Testimonial */
.testimonial { padding-top: 0; }
.quote { margin: 0; max-width: 820px; margin-inline: auto; position: relative; padding: 40px 32px 32px; background: var(--surface); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); }
.quote::before { content: "\201C"; position: absolute; top: -18px; left: 28px; font-size: 5.5rem; line-height: 1; color: var(--primary); font-family: Georgia, "Times New Roman", serif; }
.quote blockquote { margin: 0; }
.quote blockquote p { font-size: clamp(1.1rem, 2vw, 1.3rem); line-height: 1.55; color: var(--text); }
.quote figcaption { margin-top: 18px; color: var(--text-2); font-size: .95rem; }
.quote figcaption strong { color: var(--text); }
@media (max-width: 560px) { .quote { padding: 34px 20px 24px; } }

/* FAQ */
.faq { max-width: 760px; }
details { border-bottom: 1px solid var(--border-subtle); }
summary {
  cursor: pointer; list-style: none; padding: 18px 0; font-weight: 700; font-size: 1.05rem;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--text-muted); font-size: 1.4rem; font-weight: 400; transition: transform .15s ease; }
details[open] summary::after { transform: rotate(45deg); }
details p { color: var(--text-2); padding: 0 0 20px; max-width: 640px; }

/* CTA */
.cta { text-align: center; padding: 40px 0 72px; }
.cta-box { background: linear-gradient(160deg, #1a1d2b, var(--surface)); border: 1px solid var(--border); border-radius: 28px; padding: 56px 24px; }
.cta-box .lead { margin: 14px auto 30px; max-width: 520px; }

footer { border-top: 1px solid var(--border-subtle); padding: 32px 0 40px; color: var(--text-muted); font-size: .88rem; }
.foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; align-items: center; }
.foot a { color: var(--text-2); }
.foot nav { display: flex; gap: 20px; flex-wrap: wrap; }

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

/* Legal pages (Impressum, Datenschutz) */
.legal { max-width: 760px; padding-top: 56px; padding-bottom: 72px; }
.legal h1 { font-size: clamp(1.9rem, 4vw, 2.6rem); margin-bottom: 10px; }
.legal .meta { color: var(--text-muted); font-size: .9rem; margin-bottom: 36px; }
.legal h2 { font-size: 1.35rem; margin: 44px 0 12px; }
.legal h3 { font-size: 1.05rem; margin: 26px 0 8px; }
.legal p, .legal li { color: var(--text-2); font-size: 1rem; }
.legal p + p { margin-top: 12px; }
.legal ul { margin: 10px 0 0; padding-left: 22px; }
.legal li + li { margin-top: 6px; }
.legal address { font-style: normal; color: var(--text); line-height: 1.7; }
.legal .box { background: var(--surface); border: 1px solid var(--border-subtle); border-radius: var(--radius); padding: 20px 22px; margin: 16px 0; }
.legal .box.accent { background: rgba(108,142,251,.10); border-color: rgba(108,142,251,.30); }
.legal .box p { color: var(--text); }
.legal table { width: 100%; border-collapse: collapse; margin-top: 12px; font-size: .95rem; }
.legal th, .legal td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border-subtle); vertical-align: top; color: var(--text-2); }
.legal th { color: var(--text); font-weight: 700; }
.legal .todo { background: rgba(251,191,36,.18); color: var(--warning); border-radius: 4px; padding: 0 5px; }
.legal .back { display: inline-block; margin-bottom: 24px; font-size: .92rem; }
@media (max-width: 560px) { .legal table, .legal thead, .legal tbody, .legal tr, .legal th, .legal td { display: block; } .legal thead { display: none; } .legal td { padding: 6px 0; border: 0; } .legal tr { padding: 10px 0; border-bottom: 1px solid var(--border-subtle); } .legal td:first-child { color: var(--text); font-weight: 700; } }