/* zWorkTracker site. A pale, quiet ground with glass cards, in the same family as rustcircle.com,
   with the app's teal as the accent. Spacing: 8 12 16 24 32 48 64 96. Content width 1152. */

:root {
  color-scheme: light dark;
  --bg: #f4f9ff;
  --liquid: #e8f5f6;
  --surface: rgb(255 255 255 / .86);
  --surface-solid: #ffffff;
  --line: #cfe3f7;
  --ink: #0c2340;
  --ink-2: #33506f;
  --ink-3: #4a6684;
  --accent: #0f766e;
  --accent-hover: #0b5f58;
  --on-accent: #ffffff;
  --focus: #0b5fae;
  --warn: #92400e;
  --notice: rgb(253 243 227 / .9);
  --grad-1: #0b3566;
  --grad-2: #0f766e;
  --shadow: 0 1px 2px rgb(12 35 64 / .06), 0 8px 24px -12px rgb(12 35 64 / .18);
  --shadow-lg: 0 1px 2px rgb(12 35 64 / .06), 0 24px 56px -24px rgb(12 35 64 / .3);
  --f-sans: 'Segoe UI Variable Text', 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif;
  --f-mono: ui-monospace, 'SF Mono', 'Cascadia Mono', Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1a2b;
    --liquid: #0d2132;
    --surface: rgb(18 36 56 / .86);
    --surface-solid: #122438;
    --line: #234463;
    --ink: #e8f1fb;
    --ink-2: #b6c8dc;
    --ink-3: #9fb4ca;
    --accent: #2dd4bf;
    --accent-hover: #5eead4;
    --on-accent: #06201d;
    --focus: #7cc7ff;
    --warn: #fbbf24;
    --notice: rgb(44 36 22 / .9);
    --grad-1: #e8f1fb;
    --grad-2: #5eead4;
    --shadow: 0 1px 2px rgb(0 0 0 / .3), 0 8px 24px -12px rgb(0 0 0 / .6);
    --shadow-lg: 0 1px 2px rgb(0 0 0 / .3), 0 24px 56px -24px rgb(0 0 0 / .7);
  }
}

*, *::before, *::after { box-sizing: border-box; }
html {
  -webkit-text-size-adjust: 100%; scroll-behavior: smooth;
  background: radial-gradient(60vw 50vw at 75% 20%, var(--liquid), transparent), radial-gradient(50vw 50vw at 15% 75%, var(--liquid), transparent), var(--bg);
  background-attachment: fixed;
}
body { display: flex; flex-direction: column; min-height: 100vh; margin: 0; color: var(--ink); font: 1.0625rem/1.65 var(--f-sans); overflow-wrap: break-word; }
img, svg { display: block; max-width: 100%; }
img { height: auto; }
p { margin: 0; }
h1, h2, h3 { margin: 0; text-wrap: balance; }
p, li { text-wrap: pretty; }
h3 { font-size: 1.25rem; line-height: 1.25; font-weight: 600; }
a { color: var(--accent); text-underline-offset: .18em; }
a:hover { color: var(--accent-hover); }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 4px; }
section[id] { scroll-margin-top: 80px; }

.wrap { width: min(100%, 1200px); margin-inline: auto; padding-inline: 24px; }
.liquid { display: none; position: fixed; inset: 0; z-index: -1; width: 100%; height: 100%; pointer-events: none; }
.liquid.on { display: block; }
.skip { position: absolute; left: 16px; top: -64px; z-index: 10; background: var(--surface-solid); padding: 8px 16px; border-radius: 8px; }
.skip:focus { top: 8px; }

.i { flex: none; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.card { padding: 24px; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); }

/* ---------- Top bar ---------- */
.topbar { position: sticky; top: 0; z-index: 5; background: var(--surface); border-bottom: 1px solid var(--line); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
.topbar-in { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 60px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--ink); font-weight: 650; letter-spacing: .01em; text-decoration: none; }
.brand img { border-radius: 7px; }
.topbar nav { display: flex; gap: 32px; font-size: .9375rem; font-weight: 600; }
.topbar nav a { color: var(--ink-2); text-decoration: none; padding-block: 8px; }
.topbar nav a:hover { color: var(--accent); }

/* ---------- Intro ---------- */
.intro { padding-block: 40px 24px; animation: rise .7s cubic-bezier(.2, .8, .2, 1) both; }
.timer { display: inline-flex; align-items: center; gap: 12px; padding: 8px 16px; font-family: var(--f-mono); font-size: .9375rem; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; box-shadow: var(--shadow); }
.timer-note { color: var(--ink-2); }
h1 {
  margin-top: 16px; max-width: 920px;
  font-size: clamp(2.125rem, 1.6rem + 2vw, 3rem); line-height: 1.12; font-weight: 700; letter-spacing: -.015em;
  color: var(--grad-1);
  background: linear-gradient(95deg, var(--grad-1), var(--grad-2)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.lead { margin-top: 16px; max-width: 800px; font-size: 1.1875rem; line-height: 1.55; color: var(--ink-2); }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 24px; margin-top: 24px; }
.btn { display: inline-flex; align-items: center; min-height: 44px; padding: 8px 24px; border-radius: 10px; background: var(--accent); color: var(--on-accent); font-weight: 600; text-decoration: none; transition: background-color .15s ease; }
.btn:hover { background: var(--accent-hover); color: var(--on-accent); }
.status { display: inline-flex; align-items: center; min-height: 44px; padding: 8px 16px; font-family: var(--f-mono); font-size: .875rem; color: var(--ink-2); background: var(--surface); border: 1px solid var(--line); border-radius: 10px; }
.req { margin-top: 16px; font-size: .9375rem; color: var(--ink-3); }

.digits { --h: 1.3em; display: inline-flex; font-weight: 600; line-height: var(--h); font-variant-numeric: tabular-nums; }
.d { display: inline-block; height: var(--h); overflow: hidden; }
.strip { display: block; }
.strip i { display: block; height: var(--h); font-style: normal; }
.s1  { transform: translateY(calc(var(--h) * -2)); animation: roll10 10s steps(10) -2s infinite; }
.s10 { animation: roll6 60s steps(6) -2s infinite; }
.m1  { transform: translateY(calc(var(--h) * -5)); animation: roll10 600s steps(10) -302s infinite; }
.m10 { transform: translateY(calc(var(--h) * -4)); animation: roll6 3600s steps(6) -2702s infinite; }
.run-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); animation: pulse 2s ease-in-out infinite; }
@keyframes roll10 { from { transform: translateY(0); } to { transform: translateY(calc(var(--h) * -10)); } }
@keyframes roll6 { from { transform: translateY(0); } to { transform: translateY(calc(var(--h) * -6)); } }
@keyframes pulse { 50% { opacity: .4; } }
@keyframes rise { from { opacity: 0; transform: translateY(8px); } }

/* ---------- Screenshots ---------- */
picture { display: block; }
.shot { display: block; overflow: hidden; background: var(--surface-solid); border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); transition: border-color .15s ease; }
a.shot:hover { border-color: var(--accent); }
.shot img { width: 100%; }
.row .shot { padding: 12px; }
.tiles { background: #f3f4f6; }

/* The project share ring: the capture's ring, with its legend as real text. */
.ring { display: flex; align-items: center; gap: 32px; }
.ring-img { flex: none; width: 200px; height: 200px; border-radius: 50%; }
.legend { flex: 1; min-width: 0; margin: 0; padding: 0; list-style: none; font-size: .9375rem; }
.legend li { display: flex; align-items: baseline; gap: 12px; padding-block: 8px; }
.legend li + li { border-top: 1px solid var(--line); }
.legend i { flex: none; width: 10px; height: 10px; border-radius: 3px; align-self: center; }
.legend span { flex: 1; min-width: 0; }
.legend b { font-weight: 600; font-variant-numeric: tabular-nums; }
.s1c { background: #2563eb; } .s2c { background: #7c3aed; } .s3c { background: #059669; } .s4c { background: #d97706; }
.stage { margin-block: 0; }
.stage .shot { box-shadow: var(--shadow-lg); }
/* The capture stops mid-row, so it fades out instead of cutting through a button. */
@media (min-width: 641px) { .stage img { -webkit-mask-image: linear-gradient(#000 calc(100% - 72px), transparent); mask-image: linear-gradient(#000 calc(100% - 72px), transparent); } }
.stage figcaption { margin-top: 12px; font-family: var(--f-mono); font-size: .8125rem; color: var(--ink-3); }

/* ---------- Sections ---------- */
.section { padding-top: 64px; }
.label { display: flex; align-items: center; gap: 16px; font-size: .875rem; line-height: 1; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-2); }
.label::after { content: ''; flex: 1; height: 1px; background: linear-gradient(90deg, var(--line), transparent); }

.row { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 48px; align-items: center; margin-top: 32px; }
.row + .row { margin-top: 48px; }
.row.flip { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
.row.flip .row-copy { order: 2; }
.row-copy h3 { font-size: 1.5rem; line-height: 1.2; font-weight: 650; letter-spacing: -.005em; }
.row-copy p { margin-top: 12px; color: var(--ink-2); }

.also-label { margin-top: 64px; }
.also { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; margin-top: 32px; padding: 8px 0; }
.also > div { padding: 16px 24px; }
.also > div + div { border-left: 1px solid var(--line); }
.also h4 { margin: 0; font-size: 1.0625rem; line-height: 1.25; font-weight: 600; }
.also .i { color: var(--accent); margin-bottom: 12px; }
.also ul { margin: 12px 0 0; padding: 0; list-style: none; color: var(--ink-2); font-size: .9375rem; line-height: 1.5; }
.also li { margin-top: 8px; }

.points, .demos { display: grid; gap: 16px; }
.points { grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 32px; }
.demos { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 16px; }
.points .i, .demos > article > .i { color: var(--accent); margin-bottom: 12px; }
.points p, .demos p { margin-top: 8px; color: var(--ink-2); }
.demos .note { margin-top: 12px; font-size: .875rem; color: var(--ink-3); }
.bars { margin-top: 16px; display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: center; gap: 8px 12px; font-family: var(--f-mono); font-size: .875rem; color: var(--ink-2); }
.bar { display: flex; gap: 2px; height: 12px; }
.bar i { display: block; height: 100%; border-radius: 2px; }
.b38 { width: 38%; } .b30 { width: 30%; } .b14 { width: 14%; } .b8 { width: 8%; }
.bar .w { background: var(--accent); }
.bar .p { background: repeating-linear-gradient(135deg, var(--accent) 0 2px, transparent 2px 5px); box-shadow: inset 0 0 0 1px var(--accent); }
.bar .r { background: var(--accent); opacity: .5; }
.world { display: flex; flex-wrap: wrap; gap: 12px 32px; margin-top: 16px; }
.wclock { display: flex; align-items: center; gap: 8px; font-family: var(--f-mono); font-size: .8125rem; line-height: 1.35; color: var(--ink-3); }
.wclock b { color: var(--ink); font-weight: 600; }
.wclock .i { margin: 0; color: var(--accent); }

/* ---------- Notices ---------- */
.notices { margin-top: 32px; padding: 32px; background: var(--notice); border-color: var(--warn); }
.notices-title { display: flex; align-items: center; gap: 12px; font-size: clamp(1.375rem, 1.2rem + .8vw, 1.75rem); line-height: 1.2; font-weight: 700; }
.notices-title .i { color: var(--warn); }
.notice-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 48px; margin: 24px 0 0; padding: 0; list-style: none; }
.notice-list p { margin-top: 8px; }
.more { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 48px; margin-top: 24px; padding-top: 24px; border-top: 1px solid var(--warn); font-size: .9375rem; color: var(--ink-2); }
.more b { color: var(--ink); font-weight: 600; }

.support { margin-top: 32px; }


/* ---------- Get started pointer ---------- */
.btn-outline { flex: none; display: inline-flex; align-items: center; min-height: 44px; padding: 8px 20px; border: 1px solid var(--accent); border-radius: 10px; color: var(--accent); font-weight: 600; text-decoration: none; transition: background-color .15s ease, color .15s ease; }
.btn-outline:hover { background: var(--accent); color: var(--on-accent); }
.start { padding-top: 48px; }
.start-card { display: flex; align-items: center; justify-content: space-between; gap: 16px 48px; }
.start-card h2 { font-size: 1.25rem; line-height: 1.3; font-weight: 650; }
.start-card p { margin-top: 4px; color: var(--ink-2); }
.topbar nav a[aria-current="page"] { color: var(--accent); }

/* ---------- How-to ---------- */
.doc { max-width: 798px; padding-block: 48px 0; }
.doc-head .lead { max-width: none; }
.doc h1 { margin-top: 0; }
.toc { margin-top: 32px; }
.toc-title { font-size: .875rem; line-height: 1; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-2); }
.toc-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px 32px; margin-top: 16px; }
.toc-group { font-weight: 650; }
.toc ul { margin: 8px 0 0; padding: 0; list-style: none; font-size: .9375rem; line-height: 1.45; }
.toc li { margin-top: 6px; }
.toc li a { color: var(--ink-2); text-decoration: none; }
.toc li a:hover { color: var(--accent); text-decoration: underline; }
.doc-section { padding-top: 64px; scroll-margin-top: 80px; }
.doc h3 { margin-top: 40px; scroll-margin-top: 80px; font-size: 1.375rem; line-height: 1.25; font-weight: 650; }
.doc-section > .label + h3 { margin-top: 24px; }
.doc p, .doc .plain, .doc .steps, .callout { max-width: 38rem; }
.doc h3 + p, .doc p + p, .doc p + ul, .doc p + ol, .doc ol + p, .doc ul + p, .doc .table-wrap + p, .doc-figure + p, .doc h3 + ol, .doc h3 + .table-wrap { margin-top: 12px; }
.doc p { color: var(--ink-2); }
.doc b { color: var(--ink); font-weight: 600; }
.steps { margin: 0; padding-left: 24px; color: var(--ink-2); }
.steps li { margin-top: 8px; padding-left: 4px; }
.steps li::marker { color: var(--accent); font-weight: 600; font-variant-numeric: tabular-nums; }
.plain { margin: 0; padding-left: 20px; color: var(--ink-2); }
.plain li { margin-top: 8px; }
.plain li::marker { color: var(--accent); }
.callout { margin-top: 16px !important; padding: 12px 16px; border-left: 3px solid var(--warn); background: var(--notice); border-radius: 0 10px 10px 0; color: var(--ink) !important; }
.table-wrap { overflow-x: auto; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; }
.doc table { width: 100%; border-collapse: collapse; font-size: .9375rem; }
.doc th, .doc td { padding: 10px 16px; text-align: left; vertical-align: top; }
.doc th { font-weight: 600; color: var(--ink); border-bottom: 1px solid var(--line); }
.doc tbody tr + tr td { border-top: 1px solid var(--line); }
.doc td { color: var(--ink-2); }
.doc-figure { margin: 24px 0 0; }
.doc-figure img { width: 100%; border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); background: var(--surface-solid); }
.doc-figure-sm { max-width: 600px; }
.doc-figure figcaption { margin-top: 8px; font-family: var(--f-mono); font-size: .8125rem; color: var(--ink-3); }
.doc .back { margin-top: 24px; font-family: var(--f-mono); font-size: .8125rem; }
.doc-end { margin-top: 64px; padding-top: 24px; border-top: 1px solid var(--line); }

/* ---------- Footer ---------- */
.footer { padding-block: 64px 32px; }
.footer-in { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 32px; padding: 16px 24px; font-size: .9375rem; color: var(--ink-2); background: var(--surface); border: 1px solid var(--line); border-radius: 14px; }
.footer nav { display: flex; flex-wrap: wrap; gap: 4px 24px; }
.trio { display: inline-flex; gap: 8px; color: var(--accent); }

/* ---------- Privacy ---------- */
body > main { flex: 1 0 auto; width: 100%; }
.policy-title { margin: 0 0 24px; }
.policy { max-width: 760px; padding: 32px; }
.policy p + p { margin-top: 16px; }

/* ---------- Narrow screens ---------- */
@media (max-width: 860px) {
  .nav-section { display: none; }
  .intro { padding-block: 32px; }
  .section { padding-top: 48px; }
  .lead { font-size: 1.0625rem; }
  .row, .row.flip { grid-template-columns: minmax(0, 1fr); gap: 16px; margin-top: 24px; }
  .row + .row { margin-top: 32px; }
  .row.flip .row-copy { order: 0; }
  .also, .points, .demos, .notice-list, .more { grid-template-columns: minmax(0, 1fr); }
  .also-label { margin-top: 48px; }
  .also > div { padding: 16px 24px; }
  .also > div + div { border-left: 0; border-top: 1px solid var(--line); }
  .notices { padding: 24px; }
  .start-card { flex-direction: column; align-items: flex-start; }
  .toc-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .doc { padding-top: 32px; }
  .doc-section { padding-top: 48px; }
  .footer { padding-top: 48px; }
  .footer-in { align-items: flex-start; flex-direction: column; }
  .trio { display: none; }
}
@media (max-width: 640px) {
  .wrap { padding-inline: 16px; }
  .toc-grid { grid-template-columns: minmax(0, 1fr); }
  .doc-figure picture img[src$="timeline.webp"] { max-width: 400px; }
  .doc th, .doc td { padding: 8px 12px; }
  .ring { flex-direction: column; gap: 16px; align-items: stretch; }
  .ring-img { margin-inline: auto; }
  .row .shot { padding: 12px; }
  .world { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
  .wclock { flex-direction: column; align-items: flex-start; }
  .stage .shot { max-width: 400px; margin-inline: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
@media (prefers-color-scheme: dark) {
  /* The app screenshots are light-theme captures: take the glare off on a dark page. */
  .shot img, .ring-img { filter: brightness(.86); }
  .stage img { -webkit-mask-image: linear-gradient(#000 calc(100% - 32px), transparent); mask-image: linear-gradient(#000 calc(100% - 32px), transparent); }
  .row .shot { background: #dbdbdb; }
  .row .tiles { background: #d1d2d4; }
  .doc-figure img { filter: brightness(.86); }
}
@media (forced-colors: active) {
  .bar .w, .bar .r { background: CanvasText; }
  .bar .p { background: none; border: 1px solid CanvasText; }
  h1 { -webkit-text-fill-color: CanvasText; background: none; }
}