/* TrainLog: pagina do app, politica de privacidade, termos e suporte.
   Cores do design system do app (Resources/Styles/Colors.xaml). Sem fontes nem scripts de
   terceiros: a politica diz que o site nao manda nada para fora. */
:root {
  --bg: #F3F7F5;
  --card: #FFFFFF;
  --ink: #1A1A1A;
  --muted: #5A6B64;
  --green: #00A876;
  --green-dark: #00704F;
  --neon: #00E59B;
  --deep: #0F231C;
  --line: #DCE6E1;
  --radius: 20px;
  --max: 960px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0A1F18;
    --card: #12302A;
    --ink: #D0E8DC;
    --muted: #8FB3A4;
    --green: #00E59B;
    --green-dark: #00E59B;
    --line: #1F4237;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--green-dark); text-underline-offset: 3px; }
a:hover { color: var(--green); }
img { max-width: 100%; height: auto; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 16px; }

.top { padding: 16px 0; }
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-weight: 800; font-size: 19px; }
.brand img { width: 40px; height: 40px; border-radius: 22%; }
.menu { display: flex; gap: 14px; font-size: 15px; font-weight: 600; }
.menu a { text-decoration: none; }

.hero { padding: 24px 0 40px; text-align: center; }
.hero .icon { width: 140px; height: 140px; border-radius: 22%; box-shadow: 0 12px 28px rgba(0, 112, 79, .25); }
h1 { margin: 16px 0 4px; font-size: clamp(32px, 7vw, 48px); line-height: 1.1; font-weight: 900; }
.tagline { margin: 0 0 16px; font-size: clamp(18px, 3.6vw, 22px); font-weight: 700; color: var(--green-dark); }
.lead { margin: 0 auto 24px; font-size: 18px; max-width: 34em; color: var(--muted); }
.note { font-size: 14px; color: var(--muted); }

.band { background: var(--card); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 40px 0; }
h2 { font-size: 24px; line-height: 1.25; margin: 0 0 16px; font-weight: 800; }
.grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 720px) { .grid { grid-template-columns: 1fr 1fr; } }
.feature { background: var(--bg); border-radius: var(--radius); padding: 20px; border: 1px solid var(--line); }
.feature h3 { margin: 0 0 4px; font-size: 18px; }
.feature p { margin: 0; color: var(--muted); }

.doc { padding: 8px 0 48px; }
.doc .wrap { max-width: 760px; }
.doc h1 { font-size: clamp(28px, 6vw, 38px); margin-bottom: 8px; }
.doc h2 { font-size: 21px; margin-top: 32px; }
.doc .updated { color: var(--muted); margin: 0 0 24px; }
.doc .summary { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 20px; }
.doc .summary ul { margin: 8px 0 0; padding-left: 20px; }
.doc table { width: 100%; border-collapse: collapse; margin: 8px 0 16px; font-size: 15px; display: block; overflow-x: auto; }
.doc th, .doc td { text-align: left; vertical-align: top; padding: 8px 10px; border-bottom: 1px solid var(--line); }
details { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 12px 16px; margin: 0 0 10px; }
summary { cursor: pointer; font-weight: 700; }
.contact { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; margin: 8px 0 24px; }
.contact a.button { display: inline-block; margin-top: 8px; padding: 12px 20px; border-radius: 14px; background: var(--deep); color: var(--neon); font-weight: 800; text-decoration: none; }

footer { padding: 24px 0 40px; font-size: 14px; color: var(--muted); }
footer .wrap { display: flex; flex-wrap: wrap; gap: 8px 16px; }
footer a { color: var(--muted); }