:root {
  --bg: #0f0f0f;
  --surface: #1a1a1a;
  --border: #2a2a2a;
  --accent: #ff6b35;
  --text: #e8e8e8;
  --muted: #888;
  --radius: 14px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Header ── */
header {
  text-align: center;
  padding: 60px 24px 48px;
  background: linear-gradient(160deg, #1a1a1a 0%, #0f0f0f 100%);
}

.app-icon {
  width: 120px;
  height: 120px;
  border-radius: 26px;
  margin-bottom: 20px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.6);
}

header h1 {
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 10px;
}

.tagline {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 480px;
  margin: 0 auto 28px;
}

.app-store-btn img {
  height: 44px;
}

/* ── Main ── */
main {
  flex: 1;
  max-width: 860px;
  margin: 0 auto;
  padding: 48px 24px;
  width: 100%;
}

section {
  margin-bottom: 56px;
}

h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 24px;
  color: var(--text);
}

/* ── Feature grid ── */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
  list-style: none;
}

.feature-grid li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.feature-grid .icon {
  font-size: 1.6rem;
  display: block;
  margin-bottom: 8px;
}

.feature-grid strong {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.feature-grid p {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.5;
}

/* ── Description ── */
.description p {
  color: var(--muted);
  margin-bottom: 14px;
  max-width: 680px;
}

/* ── Prose (Datenschutz / Support) ── */
.prose h2 {
  margin-top: 36px;
  font-size: 1.2rem;
}

.prose h3 {
  font-size: 1rem;
  font-weight: 600;
  margin: 20px 0 6px;
  color: var(--text);
}

.prose p,
.prose ul,
.prose ol {
  color: var(--muted);
  margin-bottom: 12px;
}

.prose ul,
.prose ol {
  padding-left: 20px;
}

.prose a {
  color: var(--accent);
  text-decoration: none;
}

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

.prose .last-updated {
  font-size: 0.85rem;
  color: #555;
  margin-bottom: 32px;
}

/* ── Footer nav ── */
.footer-nav {
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: center;
  gap: 32px;
  padding: 20px 24px;
}

.footer-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
}

.footer-nav a:hover {
  color: var(--text);
}

/* ── Footer ── */
footer {
  text-align: center;
  padding: 16px 24px;
  font-size: 0.8rem;
  color: #444;
}

/* ── Back link ── */
.back-link {
  display: inline-block;
  margin-bottom: 32px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
}

.back-link:hover { color: var(--text); }

@media (max-width: 480px) {
  header h1 { font-size: 1.8rem; }
  .feature-grid { grid-template-columns: 1fr; }
}