/* maskmx.com: a quiet, terminal-flavoured page.
 * One typeface (Geist Mono, self-hosted, SIL OFL: see fonts/OFL.txt), warm neutrals,
 * hairline borders, square corners, one accent. */

@font-face {
  font-family: "Geist Mono";
  src: url("/fonts/geist-mono.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #f8f7f4;
  --surface: #fcfcfa;
  --ink: #1b1a19;
  --ink-2: #54514f;
  --ink-3: #9b9895;
  --line: #e5e4e2;
  --line-strong: #d0c9c3;
  --accent: #ff3d00;
  --ok: #1f8f4e;
  --err: #c4200d;
  --btn: #1b1a19;
  --btn-ink: #f8f7f4;
  --font: "Geist Mono", ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121211;
    --surface: #1a1918;
    --ink: #f1f0ec;
    --ink-2: #9b9895;
    --ink-3: #686562;
    --line: #2b2a28;
    --line-strong: #3d3b39;
    --accent: #ff5a26;
    --ok: #3ccf7a;
    --err: #ff6b57;
    --btn: #f1f0ec;
    --btn-ink: #121211;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg); color: var(--ink);
  font: 15px/1.65 var(--font); letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased; font-feature-settings: "ss01", "zero" 0;
}
::selection { background: var(--accent); color: #fff; }
a { color: var(--ink); text-decoration: underline; text-decoration-color: var(--line-strong); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.wrap { max-width: 880px; margin: 0 auto; padding: 0 24px; }

/* Nav */
.nav { border-bottom: 1px solid var(--line); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { display: flex; align-items: center; gap: 9px; font-weight: 600; font-size: 17px; letter-spacing: -0.03em; text-decoration: none; }
.brand img { width: 14px; height: 14px; transition: transform 0.4s ease; }
.brand:hover img { transform: rotate(60deg); }
.nav-link { font-size: 13px; text-decoration: none; color: var(--ink-2); }
.nav-link:hover { color: var(--ink); }
.nav-link::before { content: "→ "; color: var(--ink-3); }

/* Hero */
.hero { padding-top: 96px; padding-bottom: 72px; }
.eyebrow { font-size: 12px; color: var(--ink-3); text-transform: uppercase; letter-spacing: 0.08em; margin: 0 0 24px; }
.eyebrow::before { content: "● "; color: var(--accent); }
h1 { font-size: clamp(36px, 6.2vw, 60px); line-height: 1.06; font-weight: 500; letter-spacing: -0.05em; margin: 0 0 24px; }
.cursor { display: inline-block; width: 0.55em; height: 0.92em; margin-left: 0.08em; vertical-align: -0.08em; background: var(--accent); animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.lead { font-size: 16px; color: var(--ink-2); max-width: 560px; margin: 0 0 40px; }

/* Request form */
.request { max-width: 560px; }
.prompt { display: flex; border: 1px solid var(--line-strong); background: var(--surface); }
.prompt:focus-within { border-color: var(--ink); }
.prompt-sign { display: grid; place-items: center; padding: 0 0 0 16px; color: var(--accent); font-weight: 600; user-select: none; }
.request input { flex: 1; min-width: 0; border: 0; background: transparent; padding: 0 12px; height: 52px; font: inherit; color: var(--ink); outline: none; }
.request input::placeholder { color: var(--ink-3); }
.request button {
  flex: none; border: 0; padding: 0 22px; cursor: pointer;
  background: var(--btn); color: var(--btn-ink); font: inherit; font-weight: 500;
  transition: opacity 0.15s;
}
.request button:hover:not(:disabled) { opacity: 0.86; }
.request button:disabled { opacity: 0.5; cursor: default; }
.note { margin: 12px 0 0; font-size: 12px; color: var(--ink-3); min-height: 1.6em; }
.note.ok { color: var(--ok); font-size: 14px; }
.note.ok::before { content: "✓ "; }
.note.error { color: var(--err); }
.note.error::before { content: "✗ "; }
.request.done .prompt { display: none; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

/* Features: three ruled columns */
.features { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.features article { padding: 32px 28px 36px 0; }
.features article + article { padding-left: 28px; border-left: 1px solid var(--line); }
.num { font-size: 12px; color: var(--accent); margin: 0 0 14px; }
.features h2 { font-size: 15px; font-weight: 600; margin: 0 0 8px; letter-spacing: -0.02em; }
.features p { margin: 0; font-size: 13px; color: var(--ink-2); }

/* Privacy */
.privacy { padding-top: 80px; padding-bottom: 64px; }
.privacy h2 { font-size: clamp(26px, 4vw, 36px); font-weight: 500; letter-spacing: -0.04em; line-height: 1.15; margin: 0 0 28px; }
.privacy ul { list-style: none; padding: 0; margin: 0 0 28px; max-width: 640px; }
.privacy li { padding: 14px 0 14px 40px; position: relative; color: var(--ink-2); font-size: 14px; border-top: 1px solid var(--line); }
.privacy li:last-child { border-bottom: 1px solid var(--line); }
.privacy li::before { content: "[✓]"; position: absolute; left: 0; top: 14px; color: var(--ok); }
.privacy li strong { color: var(--ink); font-weight: 600; }
.more { font-size: 14px; }
.more::after { content: " →"; }

/* Why the name: a man-page style note */
.name { padding-bottom: 96px; }
.whatis { max-width: 640px; border: 1px solid var(--line-strong); background: var(--surface); padding: 20px 22px; font-size: 13px; color: var(--ink-2); }
.whatis p { margin: 0 0 10px; }
.whatis p:last-child { margin-bottom: 0; }
.whatis .cmd { color: var(--ink); }
.whatis .cmd span { color: var(--accent); font-weight: 600; }
.whatis strong { color: var(--ink); font-weight: 600; }
.whatis em { font-style: normal; color: var(--ink); }

/* Policy document */
.doc { padding-top: 72px; padding-bottom: 96px; max-width: 728px; }
.doc h1 { font-size: clamp(32px, 5vw, 44px); margin-bottom: 8px; }
.updated { color: var(--ink-3); font-size: 12px; margin: 0 0 36px; text-transform: uppercase; letter-spacing: 0.06em; }
.summary { border: 1px solid var(--line-strong); background: var(--surface); padding: 18px 20px; margin-bottom: 40px; font-size: 14px; }
.summary p { margin: 0; }
.doc h2 { font-size: 15px; font-weight: 600; margin: 44px 0 12px; letter-spacing: -0.02em; }
.doc h2::before { content: "## "; color: var(--accent); }
.doc p, .doc li { color: var(--ink-2); font-size: 14px; }
.doc strong { color: var(--ink); font-weight: 600; }
.doc ul { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.doc li { position: relative; padding-left: 22px; }
.doc li::before { content: "-"; position: absolute; left: 4px; color: var(--ink-3); }

/* Footer */
.footer { border-top: 1px solid var(--line); }
.footer .wrap { display: flex; justify-content: space-between; gap: 16px; padding-top: 22px; padding-bottom: 28px; font-size: 12px; color: var(--ink-3); flex-wrap: wrap; }
.footer nav { display: flex; gap: 20px; }
.footer a { color: var(--ink-2); text-decoration: none; }
.footer a:hover { color: var(--ink); }

@media (max-width: 760px) {
  .hero { padding-top: 56px; padding-bottom: 48px; }
  .features { grid-template-columns: 1fr; }
  .features article, .features article + article { padding: 24px 0; border-left: 0; }
  .features article + article { border-top: 1px solid var(--line); }
  .prompt { flex-wrap: wrap; }
  .request button { width: 100%; height: 48px; }
  .privacy { padding-top: 56px; padding-bottom: 48px; }
  .name { padding-bottom: 64px; }
}
@media (prefers-reduced-motion: reduce) {
  .cursor { animation: none; }
  * { transition: none !important; }
}