/* Zamok website. The page continues the app's own dark windows: colours are taken
   from the screenshots in docs/images/screens, the font is the Windows system font.
   No web fonts and no scripts: PRIVACY.md promises a site without them. */
:root {
  --bg: #202020;        /* dialog background, unlock.png */
  --surface: #2b2b2b;   /* folder list panel, settings.png */
  --deep: #1c1c1c;      /* bottom bar of the settings window */
  --line: #3d3d3d;
  --ink: #f3f3f3;
  --muted: #c8c8c8;
  --accent: #a5cca5;    /* the Open button */
  --on-accent: #1a1a1a;
  --warn: #f5c874;
  --brand: #3a6fe0;     /* logo tile */
  --brand-deep: #1d3e9e;

  --text: "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --display: "Segoe UI Variable Display", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --mono: "Cascadia Mono", Consolas, ui-monospace, "SF Mono", Menlo, monospace;

  --fs-small: 15px;
  --fs-body: 17px;
  --fs-lead: 19px;
  --fs-h3: 22px;
  --fs-h2: 28px;
  --fs-h1: 44px;

  --r-window: 8px;
  --r-control: 4px;

  --gutter: 16px;
  --section: 72px;
  color-scheme: dark;
}

@media (min-width: 900px) {
  :root {
    --fs-body: 19px;
    --fs-lead: 22px;
    --fs-h2: 40px;
    --fs-h1: 64px;
    --gutter: 32px;
    --section: 112px;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: var(--fs-body)/1.55 var(--text);
}
img { display: block; max-width: 100%; height: auto; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--ink); }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; border-radius: 2px; }
::selection { background: var(--accent); color: var(--on-accent); }
h1, h2, h3 { font-family: var(--display); font-weight: 600; text-wrap: balance; }
p, li, dd { text-wrap: pretty; }
code, kbd, .path { font-family: var(--mono); font-size: .88em; }
code { overflow-wrap: anywhere; }
kbd {
  display: inline-block; padding: 0 6px; border: 1px solid var(--line); border-bottom-width: 2px;
  border-radius: var(--r-control); background: var(--surface); white-space: nowrap; line-height: 1.5;
}
.nw { white-space: nowrap; }

.wrap { max-width: 1184px; margin: 0 auto; padding: 0 var(--gutter); }
.prose { max-width: 68ch; }

.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip { position: absolute; left: -9999px; top: 8px; z-index: 2; background: var(--ink); color: var(--bg); padding: 8px 14px; border-radius: var(--r-control); }
.skip:focus { left: 8px; }

/* Header */
.top { border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; gap: 24px; min-height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); font-family: var(--display); font-weight: 600; font-size: var(--fs-lead); text-decoration: none; }
.brand svg { width: 32px; height: 32px; flex: none; }
.top nav { display: flex; gap: 22px; margin-left: auto; font-size: var(--fs-small); }
.top nav a { color: var(--muted); text-decoration: none; }
.top nav a:hover { color: var(--ink); text-decoration: underline; }
.top nav .lang { color: var(--ink); }

/* First screen: the real password window and the two paths of the same folder.
   On phones the window comes right after the heading, before the button. */
.hero {
  display: grid; grid-template-columns: minmax(0, 1fr);
  grid-template-areas: "h1" "obj" "cta" "status" "lead" "paths";
  gap: 20px; padding: 28px 0 var(--section);
}
.hero h1 { grid-area: h1; font-size: var(--fs-h1); line-height: 1.06; letter-spacing: -0.015em; margin: 0; }
.hero .lead { grid-area: lead; font-size: var(--fs-lead); margin: 0; max-width: 34em; }
.hero .status { grid-area: status; margin: 0; max-width: 40em; padding-left: 16px; border-left: 3px solid var(--warn); }
.hero .status strong { color: var(--warn); font-weight: 600; }
.hero-object { grid-area: obj; max-width: 527px; }
.hero .shot { margin: 0; }
.actions { grid-area: cta; display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; }

.button {
  display: inline-block; padding: 12px 24px; border-radius: var(--r-control);
  background: var(--accent); color: var(--on-accent); font-weight: 600; text-decoration: none;
  border: 1px solid var(--accent);
}
.button:hover { background: var(--ink); border-color: var(--ink); color: var(--on-accent); }
.button:active { background: var(--muted); }

a.full { display: block; border-radius: var(--r-window); }
a.full:hover .window { border-color: var(--muted); }
.window {
  border: 1px solid var(--line); border-radius: var(--r-window);
  box-shadow: 0 24px 64px rgba(0, 0, 0, .5), 0 2px 8px rgba(0, 0, 0, .4);
}
.hero .window { width: 100%; max-width: 527px; }

@media (min-width: 900px) {
  .hero {
    grid-template-columns: minmax(0, 1fr) minmax(0, 527px);
    grid-template-areas: "h1 obj" "lead obj" "cta paths" "status paths";
    grid-template-rows: auto auto auto 1fr;
    column-gap: 64px; row-gap: 28px; padding-top: 72px;
  }
  .hero-object { justify-self: end; width: 100%; align-self: start; }
  .hero .paths { align-self: start; }
}
.hero .paths { grid-area: paths; }

/* The property sheet: "field: value" rows, as in the app's Encryption properties box */
.sheet { margin: 0; border-top: 1px solid var(--line); }
.sheet > div { display: grid; grid-template-columns: minmax(0, 1fr); gap: 2px 32px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.sheet dt { color: var(--muted); }
.sheet dd { margin: 0; }
.sheet dd p { margin: 0 0 8px; }
.sheet dd p:last-child { margin: 0; }
@media (min-width: 720px) {
  .sheet > div { grid-template-columns: minmax(0, 15em) minmax(0, 1fr); }
}
.paths .sheet { font-size: var(--fs-small); }
.paths .sheet > div { grid-template-columns: minmax(0, 1fr); padding: 10px 0; }
.paths .path { color: var(--ink); font-size: 1.05em; overflow-wrap: anywhere; }

/* Sections */
section { padding: var(--section) 0 0; }
h2 { font-size: var(--fs-h2); line-height: 1.15; letter-spacing: -0.01em; margin: 0 0 24px; }
h3 { font-size: var(--fs-h3); line-height: 1.25; margin: 0 0 8px; }
p { margin: 0 0 16px; }
ul, ol { margin: 0 0 16px; padding-left: 24px; }
li { margin-bottom: 8px; }
.intro { color: var(--muted); }

.warning { border: 1px solid var(--warn); border-radius: var(--r-window); padding: 24px 20px; background: var(--deep); }
.warning h2 { color: var(--warn); font-size: var(--fs-h3); margin-bottom: 10px; }
.warning p { margin: 0; max-width: 72ch; }
@media (min-width: 900px) { .warning { padding: 32px 40px; } .warning h2 { font-size: 28px; } }

/* Encrypt, open, lock */
.steps { list-style: none; padding: 0; margin: 0; }
.steps > li { display: grid; grid-template-columns: minmax(0, 1fr); gap: 24px; padding: 32px 0; border-top: 1px solid var(--line); margin: 0; }
.steps > li:first-child { border-top: 0; padding-top: 8px; }
.steps h3 { font-size: var(--fs-h2); }
.steps .n { color: var(--accent); margin-right: 12px; font-variant-numeric: tabular-nums; }
.steps figure { margin: 0; }
.steps .menu { margin: 0 0 16px; border-radius: var(--r-control); }
.steps .text p:last-child { margin-bottom: 0; }
@media (min-width: 900px) {
  .steps > li { grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); column-gap: 64px; padding: 48px 0; align-items: start; }
  .steps > li.solo { grid-template-columns: minmax(0, 1fr); }
  .steps .solo .text { max-width: 68ch; }
  .steps figure { justify-self: end; }
}

/* Protects / does not */
.columns { display: grid; grid-template-columns: minmax(0, 1fr); gap: 8px 64px; }
@media (min-width: 900px) { .columns { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }
.columns ul { padding-left: 22px; }
h3 + .traces-note { margin-top: 0; }

/* Without Zamok: what stays next to the folder */
.listing { margin: 0 0 24px; padding: 0; list-style: none; border: 1px solid var(--line); border-radius: var(--r-window); background: var(--deep); max-width: 34em; }
.listing li { display: flex; align-items: center; gap: 12px; padding: 10px 16px; margin: 0; border-top: 1px solid var(--line); font-family: var(--mono); font-size: var(--fs-small); overflow-wrap: anywhere; }
.listing li:first-child { border-top: 0; }
.listing svg { width: 20px; height: 20px; flex: none; }
.listing .hidden-item { color: var(--muted); }
.recover { display: grid; grid-template-columns: minmax(0, 1fr); gap: 32px 64px; align-items: start; }
@media (min-width: 900px) { .recover { grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); } }
.recover figure { margin: 0; }
figcaption { margin-top: 12px; color: var(--muted); font-size: var(--fs-small); }

/* Tables */
.table { overflow-x: auto; margin: 0 0 24px; }
table { border-collapse: collapse; width: 100%; min-width: 640px; font-size: var(--fs-small); }
caption { text-align: left; }
th, td { text-align: left; vertical-align: top; padding: 12px 20px 12px 0; border-bottom: 1px solid var(--line); }
thead th { color: var(--muted); font-weight: 600; border-bottom-color: var(--muted); }
tbody th { font-weight: 400; color: var(--muted); }
td.us { color: var(--ink); }
@media (min-width: 900px) { table { font-size: 17px; } }

pre { background: var(--deep); border: 1px solid var(--line); padding: 14px 16px; border-radius: var(--r-control); overflow-x: auto; margin: 0 0 16px; font-size: var(--fs-small); }
pre code { font-size: 1em; }

/* End of the page */
.final { padding-bottom: var(--section); }
.final .actions { margin-top: 32px; }

footer { border-top: 1px solid var(--line); background: var(--deep); padding: 32px 0 40px; color: var(--muted); font-size: var(--fs-small); }
footer p { margin: 0 0 10px; max-width: 80ch; }
footer a { color: var(--ink); }

/* 404 */
.lost { padding: 96px 0; }
.lost h1 { font-size: var(--fs-h1); line-height: 1.06; margin: 0 0 20px; }

@media (max-width: 899px) {
  .top nav .opt { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
}
@media (forced-colors: active) {
  .button { border: 2px solid ButtonText; }
}