@font-face {
  font-family: "Inter"; font-weight: 400; font-style: normal; font-display: swap;
  src: url("fonts/Inter-Regular.woff2") format("woff2");
}
@font-face {
  font-family: "Inter"; font-weight: 600; font-style: normal; font-display: swap;
  src: url("fonts/Inter-SemiBold.woff2") format("woff2");
}
@font-face {
  font-family: "JetBrains Mono"; font-weight: 400; font-style: normal; font-display: swap;
  src: url("fonts/JetBrainsMono-Regular.woff2") format("woff2");
}

:root {
  /* The program's neutral greys, without a colour accent */
  --bg: #ffffff;
  --fg: #2a2a2a;
  --muted: #6e6e6e;
  --line: #e0e0e0;
  --soft: #f5f5f5;
  --accent: #2a2a2a;
  --on-accent: #fafafa;
  color-scheme: light;
}
/* Dark by the system's setting, unless the switch chose light; or dark
   by the switch */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #1e1e1e;
    --fg: #e6e6e6;
    --muted: #a0a0a0;
    --line: #3a3a3a;
    --soft: #262626;
    --accent: #e0e0e0;
    --on-accent: #1e1e1e;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #1e1e1e;
  --fg: #e6e6e6;
  --muted: #a0a0a0;
  --line: #3a3a3a;
  --soft: #262626;
  --accent: #e0e0e0;
  --on-accent: #1e1e1e;
  color-scheme: dark;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-feature-settings: "ss01", "tnum";
  -webkit-font-smoothing: antialiased;
}
/* Underlined: links have the text colour, not an accent of their own */
a { color: var(--fg); text-decoration: underline; text-underline-offset: 2px; }
img { max-width: 100%; height: auto; }
.wrap { max-width: 960px; margin: 0 auto; padding: 0 20px; }

nav { border-bottom: 1px solid var(--line); }
nav .wrap { display: flex; align-items: center; gap: 20px; height: 56px; }
nav .brand { display: flex; align-items: center; gap: 10px; font-weight: 600; color: var(--fg); text-decoration: none; }
nav .brand img { width: 26px; height: 26px; }
nav .links { margin-left: auto; display: flex; gap: 20px; }
nav .links a { color: var(--muted); text-decoration: none; font-size: 0.95rem; }
nav .links a:hover { color: var(--fg); }
/* Sun in dark mode, moon in light: the design a click switches to */
.theme-switch {
  display: grid; place-items: center; width: 34px; height: 34px; margin-left: -6px;
  padding: 0; border: 1px solid transparent; border-radius: 8px;
  background: none; color: var(--muted); cursor: pointer;
}
.theme-switch:hover { color: var(--fg); border-color: var(--line); }
.theme-switch svg { width: 18px; height: 18px; }
/* Phones: no room for the links beside the name; the page's own buttons
   lead to the download and the source */
@media (max-width: 560px) {
  nav .links { display: none; }
  .theme-switch { margin-left: auto; }
}
.theme-switch .sun { display: none; }
:root[data-theme="dark"] .theme-switch .sun { display: block; }
:root[data-theme="dark"] .theme-switch .moon { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-switch .sun { display: block; }
  :root:not([data-theme="light"]) .theme-switch .moon { display: none; }
}

header.hero { padding: 64px 0 8px; }
h1 { font-weight: 600; font-size: clamp(2rem, 5vw, 2.8rem); line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 12px; }
.tagline { color: var(--muted); font-size: 1.15rem; max-width: 600px; margin: 0 0 28px; }

.buttons { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.button {
  display: inline-block; padding: 10px 18px; border-radius: 8px; font-weight: 600;
  text-decoration: none; color: var(--fg); border: 1px solid var(--line); background: var(--bg);
}
.button:hover { border-color: var(--muted); }
.button.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.button.primary:hover { opacity: 0.9; }
.release-info { color: var(--muted); font-size: 0.9rem; margin: 12px 0 0; min-height: 1.5em; }

.shot { display: block; margin: 40px 0 0; border: 1px solid var(--line); border-radius: 8px; }

section { padding: 64px 0 0; }
h2 { font-weight: 600; font-size: 1.5rem; letter-spacing: -0.01em; margin: 0 0 6px; }
.lead { color: var(--muted); margin: 0 0 24px; max-width: 640px; }

.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 28px 32px; }
.features h3 { font-size: 1rem; margin: 0 0 4px; font-weight: 600; }
.features .icon { width: 20px; height: 20px; color: var(--fg); margin-bottom: 8px; }
.features p { margin: 0; color: var(--muted); }

.split { display: grid; grid-template-columns: 1fr 1.4fr; gap: 36px; align-items: center; margin-top: 56px; }
.split h3 { font-size: 1.15rem; margin: 0 0 6px; }
.split p { color: var(--muted); margin: 0 0 8px; }
.split img { border: 1px solid var(--line); border-radius: 8px; }
.split img.page { width: 100%; height: 420px; object-fit: cover; object-position: top; background: #fff; }
@media (max-width: 760px) { .split { grid-template-columns: 1fr; } }

.downloads { border-top: 1px solid var(--line); }
.download {
  display: grid; grid-template-columns: 1fr auto auto; gap: 16px; align-items: center;
  padding: 16px 0; border-bottom: 1px solid var(--line);
}
.download h3 { margin: 0; font-size: 1rem; }
.download .meta { color: var(--muted); font-size: 0.92rem; }
.download .nightly { font-size: 0.9rem; color: var(--muted); }
.download.current h3::after { content: "  · your system"; color: var(--muted); font-weight: 500; font-size: 0.85rem; }
@media (max-width: 600px) {
  .download { grid-template-columns: 1fr; gap: 6px; }
  .download .button { justify-self: start; }
}
.note { color: var(--muted); font-size: 0.92rem; margin-top: 16px; }

#fragen h2 { margin-bottom: 16px; }
details { border-bottom: 1px solid var(--line); padding: 14px 0; }
details:first-of-type { border-top: 1px solid var(--line); }
summary { cursor: pointer; font-weight: 600; }
details p, details ol { color: var(--muted); margin: 10px 0 0; }
.guide summary { font-size: 1.05rem; }
.guide h3 { font-size: 0.95rem; margin: 18px 0 0; }
.guide ol li { margin: 6px 0; }
.guide strong { color: var(--fg); }
details ol { padding-left: 20px; }

code { font: 0.88em "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace; background: var(--soft); padding: 1px 5px; border-radius: 4px; }

footer { color: var(--muted); font-size: 0.9rem; padding: 64px 0 40px; }
footer .wrap { display: flex; gap: 16px; flex-wrap: wrap; border-top: 1px solid var(--line); padding-top: 20px; }
footer a { color: var(--muted); }

article { padding: 48px 0 0; max-width: 680px; }
article h1 { font-size: 2rem; }
article h2 { font-size: 1.2rem; margin-top: 32px; }
article p { color: var(--muted); }