/* pettolost.com · the app's information page. System fonts, no cookies, no scripts, light and dark.
   The palette is the app icon's: tile #EFF8F3 / #0D2B25, mark #004C40 / #BDEFD8. */
:root {
  --bg: #ffffff;
  --surface: #f6faf8;
  --tint: #eff8f3;
  --text: #13201c;
  --muted: #4e5e58;
  --line: #e1ebe6;
  --brand: #004c40;
  --brand-text: #ffffff;
  --warn: #b3261e;
  --ring: rgb(0 76 64 / 0.08);
  --shadow: 0 1px 2px rgb(0 76 64 / 0.08), 0 12px 32px rgb(0 76 64 / 0.12);
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #08110f;
    --surface: #0f1b18;
    --tint: #0d2b25;
    --text: #e6f1ed;
    --muted: #a2b4ad;
    --line: #1f302b;
    --brand: #bdefd8;
    --brand-text: #0d2b25;
    --warn: #ff8a80;
    --ring: rgb(189 239 216 / 0.12);
    --shadow: 0 12px 32px rgb(0 0 0 / 0.4);
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", sans-serif;
}
a { color: var(--brand); }
.wrap { max-width: 1000px; margin: 0 auto; padding: 0 20px; }

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
/* The app icon, drawn once as an inline <symbol>: tile = fill, mark = color. */
.icon { display: block; fill: var(--tint); color: var(--brand); border-radius: 22.37%; box-shadow: 0 0 0 1px var(--ring); }

header.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 18px 0; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.1rem; color: var(--text); text-decoration: none; }
.brand .icon { width: 32px; height: 32px; }
.lang { font-size: 0.95rem; color: var(--muted); }

.hero { display: grid; gap: 32px; align-items: center; padding: 40px 0 64px; }
@media (min-width: 820px) { .hero { grid-template-columns: 1fr auto; gap: 56px; padding: 72px 0 96px; } }
h1 { font-size: clamp(2.1rem, 5.5vw, 3.2rem); line-height: 1.1; letter-spacing: -0.02em; margin: 0 0 16px; text-wrap: balance; }
.lede { font-size: 1.2rem; color: var(--muted); margin: 0 0 28px; max-width: 32em; text-wrap: pretty; }
.cta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px; }
.button {
  display: inline-flex; align-items: center; min-height: 48px; padding: 12px 22px; border-radius: 12px;
  background: var(--brand); color: var(--brand-text); font-weight: 600; text-decoration: none;
}
.note { color: var(--muted); font-size: 0.95rem; }
.hero .icon { width: clamp(160px, 28vw, 280px); height: auto; aspect-ratio: 1; box-shadow: 0 0 0 1px var(--ring), var(--shadow); }
@media (max-width: 819px) { .hero .icon { order: -1; width: 120px; } }

section { padding: 56px 0; border-top: 1px solid var(--line); }
h2 { font-size: clamp(1.5rem, 3.2vw, 2rem); line-height: 1.2; letter-spacing: -0.01em; margin: 0 0 24px; text-wrap: balance; }
h3 { font-size: 1.05rem; margin: 0 0 4px; }
p { margin: 0 0 12px; }

.steps, .features { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; }
@media (min-width: 720px) { .steps { grid-template-columns: repeat(3, 1fr); } .features { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .features { grid-template-columns: repeat(3, 1fr); } }
.steps li, .features li { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 20px; }
.steps { counter-reset: step; }
.steps li { counter-increment: step; }
.steps li::before { content: counter(step); display: block; font-weight: 700; color: var(--brand); margin-bottom: 8px; }
.steps p, .features p { color: var(--muted); margin: 0; }

.privacy { margin: 0; padding-left: 1.2em; max-width: 40em; }
.privacy li { margin: 0 0 8px; }
.warn { margin: 24px 0 0; padding: 4px 0 4px 14px; border-left: 3px solid var(--warn); max-width: 40em; }

footer { border-top: 1px solid var(--line); padding: 28px 0 44px; color: var(--muted); font-size: 0.95rem; }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }