:root {
  color-scheme: light dark;
  --paper: #f7f4ec;
  --surface: #fffdf8;
  --band: #e9e6d9;
  --ink: #1e2a25;
  --muted: #58655f;
  --line: #d9d5c6;
  --brand: #2e6b57;
  --brand-ink: #ffffff;
  --link: #24594a;
  --c1: #c8553d;
  --c2: #2e6b57;
  --c3: #3f6fa8;
  --c4: #b7812a;
  --c5: #7a5a9e;
  --serif: Charter, "Bitstream Charter", "Sitka Text", Cambria, Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #141a17;
    --surface: #1c2420;
    --band: #19201c;
    --ink: #ecefe8;
    --muted: #a5b1aa;
    --line: #313c36;
    --brand: #7fc8ae;
    --brand-ink: #10231b;
    --link: #8fd3bb;
    --c1: #e58872;
    --c2: #7fc8ae;
    --c3: #8db4e3;
    --c4: #dcb266;
    --c5: #bda0dc;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 5rem; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.55 var(--sans);
}

h1, h2, h3, p, ol, ul { margin: 0; padding: 0; }
ol, ul { list-style: none; }
a { color: var(--link); }
[hidden] { display: none !important; }

:focus-visible { outline: 3px solid var(--c3); outline-offset: 2px; }

.wrap { max-width: 1080px; margin-inline: auto; padding-inline: 20px; }

.top {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.top-row { display: flex; align-items: center; justify-content: space-between; min-height: 64px; gap: 12px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); font: 700 1.2rem var(--serif); text-decoration: none; }
nav { display: flex; align-items: center; gap: 6px; }
.nav-link { display: inline-flex; align-items: center; min-height: 44px; padding-inline: 12px; color: var(--ink); text-decoration: none; }
.nav-link:hover { text-decoration: underline; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 10px 22px;
  border: 2px solid var(--brand);
  border-radius: 8px;
  background: var(--brand);
  color: var(--brand-ink);
  font-weight: 600;
  text-decoration: none;
}
.button:hover { filter: brightness(1.1); }
.button.ghost { background: transparent; color: var(--link); }
.button.small { min-height: 44px; padding: 6px 16px; }

.hero {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 56px;
  align-items: center;
  padding-block: 72px;
}
.eyebrow { color: var(--brand); font-weight: 600; }
h1 { margin-top: 12px; font: 700 clamp(2.5rem, 6vw, 3.9rem)/1.08 var(--serif); letter-spacing: -0.01em; }
.lede { margin-top: 20px; max-width: 34em; color: var(--muted); font-size: 1.15rem; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

.preview {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
}
.preview-head { display: flex; justify-content: space-between; align-items: baseline; padding-bottom: 12px; border-bottom: 1px solid var(--line); font: 700 1.1rem var(--serif); }
.preview-kreis { color: var(--muted); font: 500 0.85rem var(--sans); }
.agenda li { display: flex; gap: 16px; padding-block: 12px; border-bottom: 1px solid var(--line); }
.agenda li:last-child { border-bottom: 0; padding-bottom: 0; }
.agenda li > div { flex: 1; display: grid; align-content: start; gap: 6px; }
.day { width: 2.2rem; color: var(--muted); font-size: 0.8rem; text-align: center; }
.day b { display: block; color: var(--ink); font: 700 1.25rem var(--serif); }
.event { display: flex; gap: 10px; padding: 5px 10px; border-left: 4px solid var(--tone); border-radius: 3px; background: color-mix(in srgb, var(--tone) 15%, transparent); font-size: 0.95rem; }
.event time { color: var(--muted); font-variant-numeric: tabular-nums; }
.c1 { --tone: var(--c1); }
.c2 { --tone: var(--c2); }
.c3 { --tone: var(--c3); }
.c4 { --tone: var(--c4); }
.c5 { --tone: var(--c5); }

.band { padding-block: 72px; background: var(--band); }
h2 { font: 700 clamp(1.9rem, 4vw, 2.6rem)/1.15 var(--serif); }
h3 { font-size: 1.05rem; line-height: 1.3; }
.lead-features { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; margin-top: 32px; padding-bottom: 36px; border-bottom: 1px solid var(--line); }
.lead-features h3 { font: 700 1.45rem/1.25 var(--serif); }
.lead-features p { margin-top: 10px; color: var(--muted); }
.features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px 28px; margin-top: 36px; }
.features p { margin-top: 6px; color: var(--muted); font-size: 0.95rem; }

.downloads { padding-block: 72px; }
.section-lede { margin-top: 10px; color: var(--muted); font-size: 1.1rem; }
.platforms { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 32px; }
.platform { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; padding: 24px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.platform h3 { font: 700 1.35rem var(--serif); }
.status { color: var(--muted); }
.status b { color: var(--ink); }
.hint { color: var(--muted); font-size: 0.88rem; }
code { font-size: 0.95em; }
details { width: 100%; padding-top: 12px; border-top: 1px solid var(--line); }
summary { display: flex; align-items: center; min-height: 44px; cursor: pointer; color: var(--link); font-weight: 600; }
.versions li { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 2px 12px; padding-block: 10px; border-top: 1px solid var(--line); font-size: 0.92rem; }
.versions small { color: var(--muted); font-size: 0.85rem; }
.versions a { display: inline-flex; align-items: center; min-height: 32px; font-weight: 600; }
.all-releases { margin-top: 22px; }

.foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 16px; padding-block: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.92rem; }
.foot-links { display: flex; flex-wrap: wrap; gap: 0 20px; }
.foot-links a { display: inline-flex; align-items: center; min-height: 44px; }

.legal { max-width: 720px; padding-block: 48px 64px; }
.legal h1 { margin: 0 0 20px; font-size: clamp(2.2rem, 5vw, 3rem); }
.legal h2 { margin: 32px 0 8px; font-size: 1.3rem; }
.legal p:last-child > em { display: block; margin-top: 32px; color: var(--muted); font-size: 0.92rem; }

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; gap: 40px; padding-block: 44px; }
  .band, .downloads { padding-block: 52px; }
  .lead-features { grid-template-columns: 1fr; gap: 26px; }
  .features { grid-template-columns: 1fr 1fr; gap: 26px 20px; }
  .platforms { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .nav-link { display: none; }
  .features { grid-template-columns: 1fr; }
  .actions .button, .platform .button { width: 100%; }
}