/* linetappy.com: the app's colours (brand blue #2B7BD6, signal red #E23A2E, tile #EEF3F8), light and dark. */
:root {
  --page: #f6f8fb;
  --surface: #ffffff;
  --ink: #15202b;
  --muted: #5b6776;
  --line: #dde3ea;
  --link: #2b7bd6;
  --accent: #e23a2e;
  --tile: #eef3f8;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --page: #0e1117;
    --surface: #161e28;
    --ink: #e7ecf2;
    --muted: #9aa6b4;
    --line: #26303c;
    --link: #7db4f0;
    --tile: #1c2633;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  overflow-wrap: anywhere;
  background: var(--page);
  color: var(--ink);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

a { color: var(--link); }

.wrap { max-width: 880px; margin: 0 auto; padding: 0 20px; }

header.site {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 14px;
  padding-bottom: 14px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  font-size: 20px;
}

.brand img { width: 36px; height: 36px; }

nav.site a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 18px;
  font-size: 15px;
}

nav.site a:hover { color: var(--link); }

main { padding: 40px 0 56px; }

h1 { font-size: 34px; line-height: 1.2; margin: 0 0 12px; }
h2 { font-size: 23px; margin: 36px 0 8px; }
h3 { font-size: 18px; margin: 24px 0 4px; }

.lead { font-size: 20px; color: var(--muted); margin: 0 0 28px; }
.muted { color: var(--muted); }
.updated { color: var(--muted); font-size: 14px; }

.hero {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: center;
}

.hero img { width: 140px; height: 140px; }

.button {
  display: inline-block;
  background: var(--link);
  color: #fff;
  padding: 12px 20px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
}

@media (prefers-color-scheme: dark) {
  .button { color: #0e1a28; }
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 20px;
}

.card h3 { margin-top: 0; }
.card p { margin: 0; color: var(--muted); font-size: 16px; }

.notice {
  background: var(--tile);
  border-left: 4px solid var(--link);
  border-radius: 8px;
  padding: 14px 18px;
  margin: 20px 0;
}

.sms-terms {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 6px 22px 18px;
  margin-top: 24px;
}

table.prices { border-collapse: collapse; width: 100%; margin-top: 12px; }
table.prices th, table.prices td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); }

footer.site {
  border-top: 1px solid var(--line);
  padding: 22px 0 36px;
  color: var(--muted);
  font-size: 14px;
}

footer.site a { color: var(--muted); margin-right: 16px; }

@media (max-width: 600px) {
  header.site .wrap { flex-direction: column; align-items: flex-start; gap: 8px; }
  h1 { font-size: 28px; }
  .hero { grid-template-columns: 1fr; }
  .hero img { width: 96px; height: 96px; order: -1; }
  nav.site a { margin: 0 14px 0 0; }
}