/* eclipser.app — the product's own palette, no framework, no external font, no network request. */
:root {
  color-scheme: dark;
  --ink: #0c1016;
  --graphite: #171d26;
  --line: #303947;
  --frost: #eef2f7;
  --slate: #929dad;
  --aqua: #73d1c9;
  --amber: #e7a75d;
  --measure: 68ch;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
* { box-sizing: border-box; }
html { background: var(--ink); color: var(--frost); scroll-behavior: smooth; }
body { margin: 0; line-height: 1.65; }
a { color: var(--aqua); text-underline-offset: .22em; }
a:focus-visible, select:focus-visible, summary:focus-visible {
  outline: 2px solid var(--aqua); outline-offset: 3px;
}
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .92em; color: var(--amber); }

.skip { position: fixed; top: 10px; left: 10px; z-index: 5; padding: 9px 13px;
  background: var(--frost); color: var(--ink); transform: translateY(-180%); }
.skip:focus { transform: none; }

.masthead {
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  width: min(100% - 40px, 1080px); margin: 0 auto; padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
.wordmark { display: inline-flex; align-items: center; gap: 10px; color: var(--frost);
  font-family: "Iowan Old Style", Baskerville, Georgia, serif; font-size: 21px;
  font-weight: 600; text-decoration: none; }
.masthead nav { display: flex; align-items: center; gap: 12px; }
.lang { min-height: 40px; padding: 0 10px; border: 1px solid var(--line); border-radius: 0;
  background: var(--graphite); color: var(--frost); font-size: 14px; }
.cta { display: inline-flex; align-items: center; min-height: 40px; padding: 0 16px;
  border: 1px solid var(--aqua); color: var(--aqua); text-decoration: none; font-weight: 600; }
.cta:hover { background: rgb(115 209 201 / .1); }
.cta.big { min-height: 52px; padding: 0 26px; font-size: 17px;
  background: var(--aqua); color: var(--ink); border-color: var(--aqua); }
.cta.big:hover { filter: brightness(1.08); }

main { width: min(100% - 40px, 1080px); margin: 0 auto; }

.hero { padding: 76px 0 56px; }
.hero h1 { max-width: 18ch; margin: 0 0 18px;
  font-family: "Iowan Old Style", Baskerville, Georgia, serif;
  font-size: clamp(38px, 6.4vw, 66px); font-weight: 600; line-height: 1.04; letter-spacing: -.03em; }
.lede { max-width: var(--measure); margin: 0 0 26px; color: var(--frost); font-size: clamp(17px, 2.1vw, 21px); }
.fineprint { max-width: var(--measure); margin: 22px 0 0; color: var(--slate); font-size: 15px; }

.panel { padding: 44px 0; border-top: 1px solid var(--line); }
.panel h2 { margin: 0 0 22px; font-family: "Iowan Old Style", Georgia, serif;
  font-size: clamp(24px, 3.2vw, 34px); font-weight: 600; letter-spacing: -.02em; }

.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1px; margin: 0; padding: 0; list-style: none; background: var(--line);
  border: 1px solid var(--line); }
.features li { margin: 0; padding: 20px 22px; background: var(--graphite); color: var(--frost); }

details { border-top: 1px solid var(--line); }
details:last-of-type { border-bottom: 1px solid var(--line); }
summary { padding: 17px 0; font-weight: 600; cursor: pointer; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::before { content: "+"; display: inline-block; width: 1.4em; color: var(--amber); }
details[open] summary::before { content: "−"; }
details p { max-width: var(--measure); margin: 0 0 18px 1.4em; color: var(--slate); }

.prose { max-width: var(--measure); padding: 48px 0; }
.prose h2 { font-family: "Iowan Old Style", Georgia, serif; font-size: 30px; margin: 34px 0 12px; }
.prose h3 { font-size: 20px; margin: 26px 0 8px; }
.prose li { margin: 6px 0 6px 1.2em; color: var(--frost); }
.prose p { color: var(--frost); }

footer { width: min(100% - 40px, 1080px); margin: 60px auto 0; padding: 26px 0 46px;
  border-top: 1px solid var(--line); color: var(--slate); font-size: 14px; }
footer nav { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 10px; }

@media (max-width: 640px) {
  .masthead { flex-wrap: wrap; }
  .hero { padding: 48px 0 36px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }