/* The coding hub (index.html) and About page, drawn on the app family's tokens.
   The ten smaller app pages still use style.css; this does not replace it. */
/* The family's tokens — the same Paper, Bright and Dark grounds, ink and type the
   five app sites are drawn with. Each app section brings its own accent. */
:root {
  --ground: #F7F3EB;
  --surface: #FFFFFF;
  --card: #FAF7F0;
  --ink: #181916;
  --ink-2: rgba(24, 25, 22, 0.66);
  --ink-3: rgba(24, 25, 22, 0.42);
  --hairline: rgba(41, 42, 37, 0.14);
  --accent: #6B5741;
  --shadow-sm: 0 2px 6px rgba(24, 25, 22, 0.04);
  --shadow-md: 0 8px 24px rgba(24, 25, 22, 0.07);
  --serif: 'Newsreader', Georgia, 'Times New Roman', serif;
  --sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --mono: 'JetBrains Mono', SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --radius: 16px;
  color-scheme: light;
}
[data-appearance="bright"] {
  --ground: #FFFFFF;
  --surface: #F8F9FA;
  --card: #FFFFFF;
  --ink: #1A1A1C;
  --ink-2: rgba(26, 26, 28, 0.66);
  --ink-3: rgba(26, 26, 28, 0.42);
  --hairline: rgba(42, 42, 44, 0.12);
}
[data-appearance="dark"] {
  --ground: #181916;
  --surface: #21221E;
  --card: #1F201D;
  --ink: #F3EFE5;
  --ink-2: rgba(243, 239, 229, 0.66);
  --ink-3: rgba(243, 239, 229, 0.44);
  --hairline: rgba(243, 239, 229, 0.15);
  --accent: #C9B291;
  --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.30);
  color-scheme: dark;
}

/* One distinct accent per app, light and dark. Four are their sites' own; Deets
   takes plum — one of the accents Deets itself offers — because its default rose
   sat too close to Clipfile's brick. */
.app-clipfile { --app: #8F3A2E; }
.app-jottle   { --app: #9C6218; }
.app-prexy    { --app: #2A5B8C; }
.app-notch    { --app: #2B6E4F; }
.app-deets    { --app: #6B3A6E; }
[data-appearance="dark"] .app-clipfile { --app: #E08B78; }
[data-appearance="dark"] .app-jottle   { --app: #E5A84B; }
[data-appearance="dark"] .app-prexy    { --app: #64A3E0; }
[data-appearance="dark"] .app-notch    { --app: #58B78A; }
[data-appearance="dark"] .app-deets    { --app: #CFA0D2; }

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  background: var(--ground);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background-color .25s ease, color .25s ease;
}
a { color: inherit; }
img { display: block; }
kbd {
  font-family: var(--mono); font-size: .82em; font-weight: 500;
  padding: 2px 7px; border-radius: 6px;
  border: 1px solid var(--hairline); background: var(--surface);
  box-shadow: 0 1px 0 var(--hairline);
}

/* ---- Header ---- */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--ground) 86%, transparent);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--hairline);
}
.nav {
  max-width: 1120px; margin: 0 auto; padding: 14px 24px;
  display: flex; align-items: center; gap: 24px;
}
.wordmark {
  font-family: var(--serif); font-size: 1.35rem; font-weight: 600;
  letter-spacing: -.01em; text-decoration: none; white-space: nowrap;
}
.nav-links { display: flex; gap: 20px; margin-left: auto; }
.nav-links a {
  font-size: .9rem; font-weight: 500; color: var(--ink-2); text-decoration: none;
}
.nav-links a:hover { color: var(--ink); }
.theme-picker {
  display: flex; gap: 2px; padding: 3px;
  border: 1px solid var(--hairline); border-radius: 9999px; background: var(--surface);
}
.theme-picker button {
  font: 600 .78rem var(--sans); color: var(--ink-2);
  border: 0; background: none; padding: 5px 11px; border-radius: 9999px; cursor: pointer;
}
.theme-picker button[aria-checked="true"] { background: var(--ink); color: var(--ground); }

/* ---- Hero ---- */
.hero { max-width: 880px; margin: 0 auto; padding: 84px 24px 16px; text-align: center; }
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  font: 500 .78rem var(--mono); letter-spacing: .02em; color: var(--ink-2);
  padding: 6px 14px; border: 1px solid var(--hairline); border-radius: 9999px;
  background: var(--surface);
}
.pill::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--accent);
}
h1 {
  font-family: var(--serif); font-weight: 500; letter-spacing: -.02em;
  font-size: clamp(2.6rem, 6.4vw, 4.6rem); line-height: 1.04; margin: 26px 0 0;
}
h1 em { font-style: italic; color: var(--accent); }

/* The HUD video: muted, looping, under the headline. */
.demo { max-width: 1040px; margin: 40px auto 0; padding: 0 24px; }
.demo-video {
  display: block; width: 100%; height: auto; aspect-ratio: 16 / 9;
  border-radius: var(--radius); border: 1px solid var(--hairline);
  box-shadow: var(--shadow-md); background: var(--card);
}
.demo-frame { position: relative; }
.demo-replay {
  position: absolute; right: 18px; bottom: 18px;
  font: 600 .85rem var(--sans); color: var(--ink); cursor: pointer;
  padding: 9px 18px; border-radius: 9999px; border: 1px solid var(--hairline);
  background: var(--surface); box-shadow: var(--shadow-md);
}
.demo-replay::before { content: "↻ "; }
.demo-replay:hover { background: var(--card); }
.demo figcaption { margin-top: 12px; text-align: center; font-size: .9rem; color: var(--ink-3); }

/* The working day, in order: one chip per app, jumping to its section. */
.day {
  max-width: 1120px; margin: 44px auto 0; padding: 0 24px;
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px;
}
.day a {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  padding: 18px 10px 16px; text-decoration: none; text-align: center;
  background: var(--card); border: 1.5px solid var(--app); border-radius: var(--radius);
  box-shadow: var(--shadow-sm); transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease;
  position: relative; overflow: hidden;
}
.day a::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 4px; background: var(--app);
}
.day a:hover {
  transform: translateY(-2px); box-shadow: var(--shadow-md);
  background: color-mix(in srgb, var(--app) 7%, var(--card));
}
.day img { width: 52px; height: 52px; border-radius: 12px; }
.step { font: 600 .7rem var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--app); }
.day .name { font-family: var(--serif); font-size: 1.2rem; font-weight: 600; line-height: 1.1; }
.day .tag { font-size: .8rem; color: var(--ink-3); line-height: 1.35; }

/* ---- App sections ---- */
.apps { max-width: 1120px; margin: 72px auto 0; padding: 0 24px; display: grid; gap: 28px; }
.app {
  display: grid; grid-template-columns: 200px 1fr; gap: 40px;
  padding: 40px; background: var(--card);
  border: 1px solid color-mix(in srgb, var(--app) 35%, var(--hairline)); border-radius: 22px; box-shadow: var(--shadow-sm);
  position: relative; overflow: hidden;
}
.app::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--app);
}
.app-side { display: flex; flex-direction: column; gap: 14px; }
.app-side img { width: 112px; height: 112px; border-radius: 25px; box-shadow: var(--shadow-md); }
.app-side .name { font-family: var(--serif); font-size: 2rem; font-weight: 600; line-height: 1; margin: 0; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  font: 500 .72rem var(--mono); color: var(--ink-2);
  padding: 3px 9px; border: 1px solid var(--hairline); border-radius: 9999px;
}
.app h3 {
  font-family: var(--serif); font-weight: 500; font-size: clamp(1.5rem, 2.6vw, 2rem);
  line-height: 1.15; letter-spacing: -.01em; margin: 0 0 14px;
}
.app p { margin: 0 0 14px; color: var(--ink-2); font-size: 1.02rem; }
.status {
  display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap;
  margin: 20px 0 0; padding-top: 16px; border-top: 1px solid var(--hairline);
  font-size: .92rem; color: var(--ink-2);
}
.status strong { color: var(--app); font-weight: 600; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 20px; }
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  font: 600 .92rem var(--sans); text-decoration: none;
  padding: 10px 18px; border-radius: 9999px; border: 1px solid transparent;
  transition: transform .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--app, var(--ink)); color: #fff; }
[data-appearance="dark"] .btn-primary { color: #181916; }
.btn-quiet { border-color: var(--hairline); color: var(--ink); background: var(--surface); }
.aka { margin-top: 14px; font-size: .9rem; color: var(--ink-3); font-style: italic; font-family: var(--serif); }

/* ---- Pricing ---- */
.band { max-width: 1120px; margin: 28px auto 0; padding: 0 24px; }
.band-inner {
  padding: 32px 40px; border-radius: 22px; border: 1px solid var(--hairline);
  background: var(--surface); display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center;
}
.band h2 { font-family: var(--serif); font-weight: 500; font-size: 1.7rem; line-height: 1.2; margin: 0 0 6px; }
.band p { margin: 0; color: var(--ink-2); }
.band .price { font-family: var(--serif); font-size: 2.6rem; font-weight: 500; white-space: nowrap; line-height: 1.1; }
.band .price small { display: block; font: 500 .75rem var(--mono); color: var(--ink-3); text-align: right; }

/* ---- The rest of the shelf ---- */
.shelf { max-width: 1120px; margin: 96px auto 0; padding: 0 24px; }
.section-tag { font: 600 .72rem var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--accent); }
.shelf h2 { font-family: var(--serif); font-weight: 500; font-size: 2.2rem; line-height: 1.15; margin: 8px 0 12px; }
.shelf > p { color: var(--ink-2); max-width: 680px; margin: 0 0 28px; }
.shelf-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 12px; }
.shelf-grid a {
  display: block; padding: 18px 20px; text-decoration: none;
  border: 1px solid var(--hairline); border-radius: 14px; background: var(--card);
  transition: border-color .15s ease, transform .15s ease;
}
.shelf-grid a:hover { border-color: var(--ink-3); transform: translateY(-1px); }
.shelf-grid .name { font-family: var(--serif); font-size: 1.15rem; font-weight: 600; }
.shelf-grid .what { display: block; font-size: .9rem; color: var(--ink-2); margin: 4px 0 10px; line-height: 1.45; }
.shelf-grid .where { font: 500 .72rem var(--mono); color: var(--ink-3); }

/* ---- Footer ---- */
footer {
  max-width: 1120px; margin: 96px auto 0; padding: 28px 24px 56px;
  border-top: 1px solid var(--hairline);
  display: flex; gap: 18px; flex-wrap: wrap; font-size: .88rem; color: var(--ink-3);
}
footer a { color: var(--ink-2); text-decoration: none; }
footer a:hover { color: var(--ink); }
footer .copy { margin-left: auto; }

/* ---- Header: the current page ---- */
.nav-links a.is-active { color: var(--ink); }

/* ---- About ---- */
.prose {
  max-width: 720px; margin: 40px auto 0; padding: 40px 44px;
  background: var(--card); border: 1px solid var(--hairline); border-radius: 22px;
  box-shadow: var(--shadow-sm);
}
.prose h2 {
  font-family: var(--serif); font-weight: 500; font-size: 1.7rem; line-height: 1.2;
  margin: 0 0 18px;
}
.prose p { font-size: 1.08rem; color: var(--ink-2); margin: 0 0 16px; }
.prose p:last-child { margin-bottom: 0; }
.prose a { color: var(--ink); text-decoration-color: var(--accent); text-underline-offset: 3px; }
.prose a:hover { color: var(--accent); }
@media (max-width: 640px) {
  .prose { margin: 28px 16px 0; padding: 26px 22px; }
}

/* ---- Narrow screens ---- */
@media (max-width: 900px) {
  .day { grid-template-columns: repeat(3, 1fr); }
  .app { grid-template-columns: 1fr; gap: 22px; padding: 28px 24px; }
  .app-side { flex-direction: row; align-items: center; flex-wrap: wrap; }
  .app-side img { width: 72px; height: 72px; border-radius: 16px; }
  .band-inner { grid-template-columns: 1fr; padding: 26px 24px; }
  .band .price small { text-align: left; }
}
@media (max-width: 640px) {
  .nav { padding: 12px 16px; gap: 12px; flex-wrap: wrap; }
  .nav-links { order: 3; width: 100%; margin-left: 0; gap: 18px; }
  .theme-picker { margin-left: auto; }
  .hero { padding: 52px 16px 24px; }
  /* The pill's one line is ~435px, wider than a 390pt phone's content. */
  .pill { max-width: 100%; border-radius: 14px; line-height: 1.4; text-align: left; }
  .day { grid-template-columns: repeat(2, 1fr); padding: 0 16px; margin-top: 32px; }
  .day a:last-child { grid-column: span 2; }
  .apps, .band, .shelf { padding: 0 16px; }
  .apps { margin-top: 48px; gap: 18px; }
  .app { padding: 24px 20px; }
  footer { padding: 24px 16px 44px; }
  footer .copy { margin-left: 0; width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}