* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #07111f;
  color: #f6f8fc;
  line-height: 1.65;
  overflow-x: hidden;
  padding-top: 0;
}

.background-glow {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at top left, rgba(76, 201, 240, 0.22), transparent 28%),
              radial-gradient(circle at top right, rgba(124, 113, 255, 0.2), transparent 24%);
  pointer-events: none;
  z-index: 0;
}

nav, main, footer {
  position: relative;
  z-index: 1;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.15rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(7, 17, 31, 0.9);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.16);
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: #f6f8fc;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.nav-brand img {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  object-fit: contain;
  display: block;
  overflow: visible;
  background: transparent;
}

.nav-links {
  display: flex;
  gap: 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: #cdd7e4;
  text-decoration: none;
  font-size: 0.95rem;
}

.nav-links a:hover {
  color: #ffffff;
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: center;
  max-width: 1180px;
  margin: 0 auto;
  padding: 5rem 1.5rem 3rem;
}

.eyebrow {
  margin: 0 0 0.6rem;
  color: #74d7ff;
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

h1, h2, h3 {
  line-height: 1.15;
}

.hero h1 {
  font-size: clamp(2.2rem, 4vw, 3.6rem);
  margin: 0 0 1rem;
}

.hero-text, .section-header p, .card p, .install-card p, .hero-card p {
  color: #aeb8c5;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin: 1.2rem 0 1rem;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, filter 180ms ease;
}

.btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
  box-shadow: 0 8px 20px rgba(104, 212, 255, 0.18);
}

.btn-primary {
  background: linear-gradient(90deg, #68d4ff, #7c71ff);
  color: #04111d;
}

.btn-secondary {
  background: rgba(255,255,255,0.08);
  color: #f6f8fc;
  border: 1px solid rgba(255,255,255,0.1);
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}

.badge {
  display: inline-block;
  padding: 0.4rem 0.65rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  color: #dce6f2;
  font-size: 0.9rem;
}

.hero-card, .card, .install-card {
  background: rgba(15, 27, 45, 0.95);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 24px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.24);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.hero-card:hover, .card:hover, .install-card:hover {
  transform: translateY(-3px);
  border-color: rgba(104, 212, 255, 0.55);
  box-shadow: 0 0 0 1px rgba(104, 212, 255, 0.18), 0 16px 40px rgba(0, 0, 0, 0.24), 0 0 24px rgba(104, 212, 255, 0.18);
}

.hero-card {
  padding: 1.2rem;
}

.hero-card img {
  width: 100%;
  max-width: 220px;
  display: block;
  margin: 0 auto 1rem;
  border-radius: 16px;
}

.hero-card pre {
  background: #040910;
  border-radius: 14px;
  padding: 0.9rem 1rem;
  overflow: auto;
  color: #87e7ff;
}

.section {
  max-width: 1180px;
  margin: 0 auto;
  padding: 2rem 1.5rem 1rem;
}

.section-header {
  margin-bottom: 1.2rem;
}

.section-header h2 {
  font-size: clamp(1.6rem, 2.4vw, 2.2rem);
  margin: 0 0 0.4rem;
}

.feature-grid, .install-grid, .release-grid {
  display: grid;
  gap: 1rem;
}

.feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.install-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.release-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card, .install-card {
  padding: 1.1rem 1.15rem;
}

.install-card {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  text-decoration: none;
  color: inherit;
}

.install-card img {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
}

.install-card code {
  color: #87e7ff;
  display: inline-block;
  margin-top: 0.25rem;
}

footer {
  max-width: 1180px;
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
  color: #7d8aa0;
}

.dsgvo-banner {
  position: fixed;
  left: 50%;
  bottom: 1rem;
  transform: translateX(-50%);
  width: min(92vw, 760px);
  z-index: 50;
  background: rgba(8, 16, 30, 0.95);
  border: 1px solid rgba(104, 212, 255, 0.28);
  border-radius: 18px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.32);
  backdrop-filter: blur(12px);
}

.dsgvo-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.1rem;
}

.dsgvo-content p {
  margin: 0;
  color: #dfe8f5;
  font-size: 0.95rem;
}

    /* ── Impressum ───────────────────────────────────────── */
    .impressum {
      margin-top: 3rem;
      border-top: 1px solid var(--border);
      text-align: left;
    }

    .impressum summary {
      display: flex;
      align-items: center;
      gap: 0.55rem;
      padding: 0.75rem 1.2rem;
      cursor: pointer;
      list-style: none;
      /*font-family: 'Cinzel', serif;*/
      font-size: 0.72rem;
      letter-spacing: 0.22em;
      text-transform: uppercase;
      color: var(--text-dim);
      user-select: none;
      transition: color 0.3s;
    }
    .impressum summary::-webkit-details-marker { display: none; }
    .impressum summary::marker { display: none; }

    .impressum summary:hover { color: var(--gold); }

    .impressum-arrow {
      display: inline-block;
      font-size: 0.6rem;
      transition: transform 0.3s ease;
    }
    .impressum[open] .impressum-arrow { transform: rotate(90deg); }

    .impressum-body {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
      gap: 2rem;
      padding: 1.6rem 1.2rem 2rem;
      border-top: 1px solid rgba(200,168,75,0.08);
    }

    .impressum-col h4 {
      /*font-family: 'Cinzel', serif;*/
      font-size: 0.72rem;
      letter-spacing: 0.22em;
      text-transform: uppercase;
      color: var(--gold);
      margin-bottom: 0.85rem;
    }

    .impressum-col p, .impressum-col a {
      font-size: 0.83rem;
      color: var(--text-dim);
      line-height: 1.7;
      text-decoration: none;
    }
    .impressum-col a:hover { color: var(--gold); text-decoration: underline; }


.imprint {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 0.95rem;
  color: #7d8aa0;
}

.imprint a {
  color: #74d7ff;
  text-decoration: none;
}

.imprint a:hover {
  text-decoration: underline;
}



@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }
  .feature-grid, .install-grid, .release-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  nav {
    flex-direction: column;
    gap: 0.7rem;
    align-items: flex-start;
  }
  .nav-links {
    flex-wrap: wrap;
  }
  .dsgvo-content {
    flex-direction: column;
    align-items: flex-start;
  }
}