/* Unison UI for macOS — product site. Self-contained, theme-aware. */
:root {
  --bg: #ffffff;
  --fg: #1d1d1f;
  --muted: #6e6e73;
  --accent: #0066cc;
  --accent-fg: #ffffff;
  --card: #f5f5f7;
  --border: #d2d2d7;
  --code-bg: #f5f5f7;
  --maxw: 960px;
}
/* Dark tokens. Applied when the system prefers dark (unless the visitor forced
   light), and whenever the visitor forces dark via the theme toggle. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #1d1d1f;
    --fg: #f5f5f7;
    --muted: #a1a1a6;
    --accent: #2997ff;
    --accent-fg: #00223f;
    --card: #2a2a2d;
    --border: #3a3a3d;
    --code-bg: #26262a;
  }
}
:root[data-theme="dark"] {
  --bg: #1d1d1f;
  --fg: #f5f5f7;
  --muted: #a1a1a6;
  --accent: #2997ff;
  --accent-fg: #00223f;
  --card: #2a2a2d;
  --border: #3a3a3d;
  --code-bg: #26262a;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }

.site-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap;
  max-width: var(--maxw); margin: 0 auto; padding: 1rem 1.25rem;
}
.brand { display: inline-flex; align-items: center; gap: .5rem; font-weight: 600; color: var(--fg); }
.brand img { border-radius: 6px; }
.site-nav { display: flex; align-items: center; gap: 1.1rem; flex-wrap: wrap; }
.site-nav a { color: var(--muted); font-size: .95rem; }
.site-nav a.active, .site-nav a:hover { color: var(--fg); }
.theme-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; padding: 0; cursor: pointer;
  color: var(--muted); background: transparent;
  border: 1px solid var(--border); border-radius: 999px;
  transition: color .15s, border-color .15s;
}
.theme-toggle:hover { color: var(--fg); border-color: var(--fg); }
.theme-toggle svg { display: block; width: 17px; height: 17px; }

main { max-width: var(--maxw); margin: 0 auto; padding: 1rem 1.25rem 3rem; }

.hero { text-align: center; padding: 1.5rem 0 1rem; }
.hero img.appicon { width: 96px; height: 96px; border-radius: 20px; }
.hero h1 { font-size: 2.2rem; line-height: 1.15; margin: .8rem 0 .4rem; letter-spacing: -.02em; }
.hero .tagline { font-size: 1.25rem; color: var(--muted); max-width: 40ch; margin: 0 auto 1rem; }
.badges { color: var(--muted); font-size: .95rem; margin: .5rem 0 1.2rem; }

.cta { display: flex; gap: .75rem; justify-content: center; flex-wrap: wrap; margin: 1rem 0; }
.btn {
  display: inline-block; padding: .6rem 1.1rem; border-radius: 980px;
  background: var(--accent); color: var(--accent-fg);
  /* <button> does not inherit the page font; make every .btn match. */
  font: inherit; font-weight: 600; line-height: 1.2; cursor: pointer;
}
.btn:hover { text-decoration: none; opacity: .92; }
.btn.secondary { background: var(--card); color: var(--fg); border: 1px solid var(--border); }

.brew-box { margin-top: 1rem; }
.brew-box[hidden] { display: none; }
.btn.secondary.active { color: var(--accent); border-color: var(--accent); }
pre.install {
  max-width: 560px; margin: 0 auto; padding: .85rem 1rem;
  background: var(--code-bg); border: 1px solid var(--border); border-radius: 10px;
  overflow-x: auto; font-size: .95rem; text-align: left;
}
/* When the copy script wraps a copyable block, the <pre> fills the row and the
   button sits beside it. */
.install-box { display: flex; align-items: stretch; gap: .5rem; max-width: 560px; margin: 1rem auto; }
.install-box pre { flex: 1; min-width: 0; max-width: none; margin: 0; }
.copy-btn {
  display: inline-flex; align-items: center; gap: .35rem; flex: none;
  padding: 0 .85rem; border: 1px solid var(--border); border-radius: 10px;
  background: var(--card); color: var(--fg); font: inherit; font-size: .9rem;
  cursor: pointer; transition: color .15s, border-color .15s;
}
.copy-btn:hover, .copy-btn.copied { color: var(--accent); border-color: var(--accent); }
.copy-btn svg { display: block; }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
:not(pre) > code { background: var(--code-bg); padding: .1em .35em; border-radius: 5px; font-size: .9em; }

.shots { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin: 2rem 0; }
.shots figure { margin: 0; }
.shots img { border: 1px solid var(--border); border-radius: 10px; display: block; }
.shots figcaption { color: var(--muted); font-size: .9rem; margin-top: .4rem; text-align: center; }
@media (max-width: 640px) { .shots { grid-template-columns: 1fr; } }

.features { list-style: none; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 1rem 1.5rem; margin: 1.5rem 0; }
.features li { padding-left: 0; }
.features strong { display: block; }
.features span { color: var(--muted); font-size: .95rem; }
@media (max-width: 640px) { .features { grid-template-columns: 1fr; } }

h2 { font-size: 1.5rem; margin: 2rem 0 .6rem; letter-spacing: -.01em; }
h3 { font-size: 1.2rem; margin: 1.4rem 0 .4rem; }
.reqs { color: var(--muted); }

/* Documentation pages (rendered markdown) */
.doc { }
.doc h1 { font-size: 2rem; margin: .5rem 0 1rem; }
.doc h2 { border-bottom: 1px solid var(--border); padding-bottom: .3rem; }
.doc table { border-collapse: collapse; display: block; overflow-x: auto; max-width: 100%; }
.doc th, .doc td { border: 1px solid var(--border); padding: .4rem .6rem; text-align: left; }
.doc pre { background: var(--code-bg); border: 1px solid var(--border); border-radius: 8px; padding: .8rem 1rem; overflow-x: auto; }
.doc blockquote { border-left: 3px solid var(--border); margin: 1rem 0; padding: .2rem 1rem; color: var(--muted); }
.doc img { border: 1px solid var(--border); border-radius: 8px; }
.doc-note { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: .7rem 1rem; color: var(--muted); font-size: .95rem; }

/* Screenshot lightbox (a photo viewer; dark in every theme) */
.lightbox {
  position: fixed; inset: 0; z-index: 100; overflow: auto;
  background: rgba(0, 0, 0, .9);
}
.lightbox[hidden] { display: none; }
/* The stage is at least a full viewport so small images center; a larger image
   grows the stage and the overlay scrolls. */
.lb-stage {
  min-height: 100%; box-sizing: border-box; padding: 3.5rem;
  display: flex; align-items: center; justify-content: center;
}
/* 1:1 — each screenshot shows at its natural pixel size, so every one is at the
   same zoom regardless of its dimensions. */
.lb-img {
  display: block; width: auto; height: auto; max-width: none; max-height: none;
  border-radius: 8px; box-shadow: 0 12px 48px rgba(0, 0, 0, .5);
}
.lb-prev, .lb-next, .lb-close {
  position: fixed; border: none; cursor: pointer; color: #fff;
  background: rgba(255, 255, 255, .16); border-radius: 999px;
  display: inline-flex; align-items: center; justify-content: center; line-height: 1;
}
.lb-prev, .lb-next { top: 50%; transform: translateY(-50%); width: 48px; height: 48px; font-size: 2rem; }
.lb-prev { left: 1rem; }
.lb-next { right: 1rem; }
.lb-close { top: 1rem; right: 1rem; width: 40px; height: 40px; font-size: 1.2rem; }
.lb-prev:hover:not(:disabled), .lb-next:hover:not(:disabled), .lb-close:hover { background: rgba(255, 255, 255, .3); }
.lb-prev:disabled, .lb-next:disabled { opacity: .3; cursor: default; }
@media (max-width: 640px) {
  .lb-stage { padding: 3rem .5rem; }
  .lb-prev, .lb-next { width: 40px; height: 40px; font-size: 1.6rem; }
  .lb-prev { left: .35rem; }
  .lb-next { right: .35rem; }
}

.site-footer {
  max-width: var(--maxw); margin: 0 auto; padding: 2rem 1.25rem 3rem;
  border-top: 1px solid var(--border); color: var(--muted); font-size: .9rem;
}
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--fg); }