/* Wolkenfunk – Basis-Styles. Keine externen Fonts/Skripte (Datenschutz, Tempo). */

:root {
  --brand: #1F63DE;
  --brand-1: #2F7BF5;
  --brand-2: #1650C4;
  --on-brand: #FFFFFF;
  --bg: #F6F8FC;
  --surface: #FFFFFF;
  --text: #142033;
  --muted: #55657D;
  --border: #DCE3EE;
  --link: #1650C4;
  --ok: #1E9E5A;
  --hero-1: var(--brand-1);
  --hero-2: var(--brand-2);
  --radius: 16px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, Cantarell, "Noto Sans", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0E1522;
    --surface: #162033;
    --text: #E3EAF5;
    --muted: #9AA8BE;
    --border: #253250;
    --link: #7AAEFF;
    --ok: #3CCB7F;
    --hero-1: #1E58C8;
    --hero-2: #10337E;
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 1.0625rem/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--link); text-underline-offset: 0.15em; }
a:focus-visible, .button:focus-visible { outline: 3px solid var(--brand-1); outline-offset: 3px; border-radius: 6px; }

.wrap { width: min(100% - 32px, 960px); margin-inline: auto; }

.skip {
  position: absolute; left: 16px; top: -100px;
  background: var(--surface); color: var(--text); padding: 8px 12px; border-radius: 8px;
}
.skip:focus { top: 16px; }

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--hero-1), var(--hero-2));
  color: var(--on-brand);
  text-align: center;
  padding: clamp(56px, 10vw, 112px) 0 clamp(48px, 8vw, 88px);
}
.logo { width: clamp(88px, 16vw, 128px); height: auto; display: block; margin: 0 auto 20px; color: var(--on-brand); }
.hero h1 { margin: 0; font-size: clamp(2.5rem, 7vw, 4.25rem); line-height: 1.05; letter-spacing: -0.02em; font-weight: 750; }
.lead { margin: 14px auto 0; max-width: 40ch; font-size: clamp(1.15rem, 2.6vw, 1.5rem); opacity: 0.92; }

.platforms { list-style: none; display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin: 28px 0 0; padding: 0; }
.platforms li {
  padding: 4px 14px; border-radius: 999px; font-size: 0.95rem;
  background: rgb(255 255 255 / 0.14); border: 1px solid rgb(255 255 255 / 0.28);
}

.status { margin: 24px 0 0; font-size: 0.95rem; opacity: 0.9; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: #7CF0B0; margin-right: 6px; vertical-align: 1px; }

/* Inhalt */
main { padding: clamp(40px, 7vw, 72px) 0 24px; }

.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.features article {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px 22px 18px;
}
.features h2 { margin: 0 0 6px; font-size: 1.15rem; line-height: 1.3; }
.features p { margin: 0; color: var(--muted); }

.cta { text-align: center; margin: 40px 0 0; }
.button {
  display: inline-block; padding: 12px 22px; border-radius: 999px; font-weight: 600; text-decoration: none;
  background: var(--brand); color: var(--on-brand);
}
.button:hover { background: var(--brand-2); }

.footer { padding: 32px 0 40px; color: var(--muted); font-size: 0.9rem; text-align: center; }
.footer p { margin: 0 auto; max-width: 60ch; }

.legal-nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 4px 20px; margin-top: 12px; }

/* Rechtliches (Impressum, Datenschutz) */
.topbar { padding: 20px 0; max-width: 68ch; }
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--text); font-weight: 700; font-size: 1.15rem; text-decoration: none;
}
.brand svg { width: 32px; height: 32px; color: var(--brand); }
.legal { max-width: 68ch; padding-top: clamp(16px, 4vw, 40px); }
.legal h1 { margin: 0 0 16px; font-size: clamp(2rem, 5vw, 2.6rem); line-height: 1.1; letter-spacing: -0.01em; }
.legal h2 { margin: 32px 0 6px; font-size: 1.15rem; line-height: 1.3; }
.legal p { margin: 0 0 12px; }
.legal .intro { font-size: 1.15rem; color: var(--muted); }

@media (prefers-color-scheme: dark) {
  .brand svg { color: var(--link); }
}

/* Download */
.download pre {
  margin: 0 0 16px; padding: 12px 16px; overflow-x: auto;
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  font-size: 0.9rem; line-height: 1.5;
}
.download code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace; }
.download .button { margin: 4px 0; }
.download .note { font-size: 0.95rem; color: var(--muted); }
.download .fpr { font-size: 0.85rem; }

/* 404 */
.notfound { min-height: 100vh; display: grid; place-content: center; text-align: center; gap: 8px; padding: 32px 16px; }
.notfound .logo { color: var(--brand); width: 72px; margin-bottom: 8px; }
.notfound h1 { margin: 0; font-size: 2rem; }
.notfound p { margin: 0; color: var(--muted); }
.notfound .legal-nav { margin-top: 24px; font-size: 0.9rem; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }