:root {
  --bg: #000;
  --text: #f2f2f2;
  --muted: #b8b8b8;
  --line: #333;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 18px/1.6 system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
}
main { max-width: 680px; margin: 0 auto; padding: 48px 20px 80px; }
header { text-align: center; margin-bottom: 40px; }
header img { width: 96px; height: 96px; border-radius: 22px; }
h1 { font: 300 2rem/1.2 ui-serif, "New York", Georgia, serif; margin: 16px 0 4px; }
h2 { font-size: 1.15rem; font-weight: 600; margin: 36px 0 8px; }
p, li { color: var(--text); }
.muted { color: var(--muted); }
a { color: var(--text); text-underline-offset: 3px; }
nav { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; margin-top: 16px; }
nav a { color: var(--muted); text-decoration: none; }
nav a[aria-current="page"] { color: var(--text); text-decoration: underline; }
hr { border: 0; border-top: 1px solid var(--line); margin: 48px 0; }
address { font-style: normal; }
.screens { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 40px 0; }
.screens img { width: 100%; height: auto; border-radius: 18px; border: 1px solid #8a8a8a; }
@media (max-width: 560px) { .screens { grid-template-columns: repeat(2, 1fr); } }
ul { padding-left: 1.2em; }
li { margin-bottom: 8px; }
.badge { text-align: center; margin: 32px 0 0; }
footer { display: flex; gap: 20px; justify-content: center; margin-top: 64px; padding-top: 24px; border-top: 1px solid var(--line); font-size: 0.9rem; }
footer a { color: var(--muted); text-decoration: none; }
footer a[aria-current="page"] { color: var(--text); text-decoration: underline; }
.share { text-align: center; margin: 48px 0; }
.share p { margin: 0 0 12px; }
.share button { font: inherit; font-weight: 600; font-size: 1.1rem; color: #000; background: #f2f2f2; border: 0; border-radius: 999px; padding: 14px 36px; cursor: pointer; }
.share button:focus-visible { outline: 3px solid #f2f2f2; outline-offset: 4px; }
#share-status { min-height: 1.6em; margin-top: 12px; }
.icon-breathe { position: relative; display: inline-block; width: 96px; height: 96px; border-radius: 22px; overflow: hidden; }
.icon-breathe img { display: block; }
/* Lichtschein atmet wie Herzruhe: 5 s einatmen, 6 s ausatmen */
.icon-breathe::after { content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(circle at 50% 50%, rgba(255,255,255,0.55) 0%, rgba(255,255,255,0.18) 35%, rgba(255,255,255,0) 62%);
  mix-blend-mode: screen; opacity: 0.1; transform: scale(0.8);
  animation: breathe 11s ease-in-out infinite; }
@keyframes breathe {
  0%   { opacity: 0.1; transform: scale(0.8); }
  45%  { opacity: 1;   transform: scale(1.12); }
  100% { opacity: 0.1; transform: scale(0.8); }
}
/* Bei "Bewegung reduzieren" nur Helligkeit, kein Wachsen */
@keyframes breathe-soft { 0% { opacity: 0.1; } 45% { opacity: 1; } 100% { opacity: 0.1; } }
@media (prefers-reduced-motion: reduce) { .icon-breathe::after { transform: none; animation-name: breathe-soft; } }