:root { color-scheme: dark; --bg: #0a1f3d; --card: rgba(18,51,95,.62); --line: #2b4f80; --text: #eef3ff; --dim: #a7b8d6; --accent: #5ab4ee; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: radial-gradient(1200px 700px at 90% -10%, rgba(0,200,255,.18), transparent 60%), radial-gradient(900px 600px at -10% 110%, rgba(0,90,255,.2), transparent 60%), var(--bg); color: var(--text); font: 17px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; }
.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; max-width: 1180px; margin: 0 auto; padding: 18px 20px; }
.brand img { height: 46px; width: auto; }
.top nav { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.top nav a { color: var(--text); text-decoration: none; opacity: .85; }
.top nav a:hover { opacity: 1; }
main { max-width: 1180px; margin: 0 auto; padding: 0 20px 40px; }
section { margin: 72px 0; scroll-margin-top: 20px; }
h1 { font-size: clamp(32px, 5vw, 52px); line-height: 1.1; margin: 0 0 18px; }
h2 { font-size: clamp(26px, 3.4vw, 36px); margin: 0 0 24px; }
h3 { font-size: 19px; margin: 0 0 8px; }
.lead { font-size: 19px; color: #d6e2f7; max-width: 34em; }
.muted, .note { color: var(--dim); font-size: 15px; }
.hero { display: grid; grid-template-columns: 1fr 1.15fr; gap: 40px; align-items: center; margin-top: 28px; }
.hero-img img { border-radius: 16px; border: 1px solid var(--line); box-shadow: 0 24px 60px rgba(0,0,0,.45), 0 0 80px rgba(90,180,238,.15); }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin: 26px 0 14px; }
.btn { display: inline-block; background: var(--accent); color: #04223d; text-decoration: none; font-weight: 700; padding: 13px 26px; border-radius: 999px; border: 2px solid transparent; }
.btn:hover { filter: brightness(1.08); }
.btn:focus-visible, a:focus-visible { outline: 3px solid #fff; outline-offset: 3px; }
.btn.ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn.small { padding: 8px 18px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 18px; }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }
article { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 22px 24px; }
article.accent { border-color: var(--accent); box-shadow: 0 0 0 1px rgba(90,180,238,.35), 0 0 40px rgba(90,180,238,.12); }
article p, article li { color: #d6e2f7; margin: 0; }
article ul { margin: 0; padding-left: 20px; display: grid; gap: 6px; }
.shots { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 20px; margin-top: 20px; }
figure { margin: 0; }
figure img { border-radius: 12px; border: 1px solid var(--line); }
figcaption { color: var(--dim); font-size: 15px; margin-top: 8px; }
.dl-card { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; background: var(--card); border: 1px solid var(--accent); border-radius: 16px; padding: 24px 28px; margin-bottom: 30px; }
.dl-title { font-size: 22px; font-weight: 700; margin: 0 0 4px; }
.hash { font-family: ui-monospace, Consolas, monospace; font-size: 12px; word-break: break-all; margin: 6px 0 0; }
.steps { padding-left: 22px; display: grid; gap: 8px; }
.hinweis { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 8px 26px 20px; }
footer { border-top: 1px solid var(--line); text-align: center; padding: 26px 20px 40px; color: var(--dim); font-size: 15px; }
.page { max-width: 780px; margin: 30px auto; padding: 0 20px 40px; }
.page h1 { font-size: 34px; }
.page .todo { background: rgba(255,107,107,.12); border: 1px solid #ff6b6b; border-radius: 10px; padding: 12px 16px; }
@media (max-width: 860px) { .hero { grid-template-columns: 1fr; } section { margin: 52px 0; } }