/* patm1.com. One typeface (the system face), one ground, one ink, one accent. */
:root {
  --ground: #e9eeec;
  --ground-2: #dde4e1;
  --ink: #101816;
  --ink-2: #3c4a46;
  --accent: #0a5c45;
  --on-accent: #ffffff;
  --field: #101816;
  --on-field: #e9eeec;
  --margin: clamp(16px, 4vw, 32px);
  --gap: clamp(96px, 14vw, 200px);
  --face: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ground: #0f1614;
    --ground-2: #17201d;
    --ink: #e6ecea;
    --ink-2: #b4c0bc;
    --accent: #5fd0a8;
    --on-accent: #0f1614;
    --field: #e6ecea;
    --on-field: #0f1614;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font: 400 18px/1.55 var(--face);
}
a { color: inherit; text-underline-offset: 0.18em; }
a:hover { color: var(--accent); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }

.wrap { padding-inline: var(--margin); max-width: 1440px; margin-inline: auto; }

/* The bar: wordmark, two links. */
.bar { display: flex; justify-content: space-between; align-items: baseline; gap: 24px; padding-block: 24px; }
.bar .mark { font-weight: 700; text-decoration: none; }
.bar nav { display: flex; gap: 24px; }

/* First screen. */
.hero { padding-block: clamp(48px, 10vw, 140px) var(--gap); }
.hero h1 {
  margin: 0;
  font-size: clamp(40px, 10vw, 152px);
  line-height: 0.92;
  letter-spacing: -0.045em;
  font-weight: 800;
  max-width: 16ch;
}
.hero p { margin: 40px 0 0; font-size: clamp(20px, 2.2vw, 28px); line-height: 1.35; max-width: 34ch; }

/* The app, on a field of the ink colour. */
.app { background: var(--field); color: var(--on-field); padding-block: var(--gap); }
.app .grid { display: grid; gap: 48px; grid-template-columns: 1fr; }
@media (min-width: 900px) { .app .grid { grid-template-columns: 5fr 7fr; gap: 64px; } }
.app h2 { margin: 0; font-size: clamp(40px, 6vw, 88px); line-height: 0.95; letter-spacing: -0.035em; font-weight: 800; }
.app ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 32px; }
.app li strong { display: block; font-size: clamp(22px, 2.4vw, 30px); line-height: 1.2; letter-spacing: -0.01em; }
.app li span { display: block; margin-top: 8px; max-width: 52ch; }
.app a { color: inherit; }

.button {
  display: inline-block; margin-top: 16px; padding: 14px 24px;
  background: var(--accent); color: var(--on-accent);
  font-weight: 700; text-decoration: none; border-radius: 0;
  transition: transform 120ms ease;
}
.button:hover { color: var(--on-accent); transform: translateY(-2px); }
.button:active { transform: translateY(0); }
@media (prefers-reduced-motion: reduce) { .button { transition: none; } .button:hover { transform: none; } }

/* Coming later. */
.later { padding-block: var(--gap); }
.later h2 { margin: 0 0 24px; font-size: clamp(32px, 4vw, 56px); line-height: 1; letter-spacing: -0.03em; font-weight: 800; }
.later p { margin: 0; max-width: 52ch; }

/* The close: the name at full width. */
.close { background: var(--ground-2); padding-block: 64px 32px; }
.close .name { margin: 0; font-size: clamp(64px, 18vw, 280px); line-height: 0.85; letter-spacing: -0.05em; font-weight: 800; }
.close p { margin: 24px 0 0; color: var(--ink-2); font-size: 16px; }

/* Privacy policy: a reading page. */
.doc { padding-block: clamp(48px, 8vw, 120px) var(--gap); }
.doc h1 { margin: 0; font-size: clamp(44px, 7vw, 104px); line-height: 0.95; letter-spacing: -0.04em; font-weight: 800; }
.doc .lead { margin: 32px 0 0; font-size: clamp(20px, 2vw, 26px); line-height: 1.4; max-width: 40ch; }
.doc section { margin-top: 72px; max-width: 68ch; }
.doc h2 { margin: 0 0 16px; font-size: clamp(24px, 2.6vw, 32px); line-height: 1.15; letter-spacing: -0.015em; font-weight: 800; }
.doc p, .doc li { margin: 0 0 12px; }
.doc ul { padding-left: 1.2em; margin: 0; }