/* AirPulse site: the app's Voice Engineering look — plain canvas, big rounded cards, pastel accents. */
:root {
  --bg: #f2f2f5;
  --card: #ffffff;
  --raised: #efeff3;
  --text: #15161a;
  --muted: #6a6b72;
  --line: rgba(0, 0, 0, 0.08);
  --ink: #15161a;
  --green: #a6d9a0;
  --lavender: #b4b9f6;
  --peach: #f4ab82;
  --pink: #e8b0cc;
  --accent: #ff6a2b;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111214;
    --card: #1d1e21;
    --raised: #2a2b2f;
    --text: #ffffff;
    --muted: #8d8e93;
    --line: rgba(255, 255, 255, 0.08);
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
a { color: inherit; }
.wrap { max-width: 760px; margin: 0 auto; padding: 24px 16px 64px; }

header.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 28px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand img { width: 40px; height: 40px; border-radius: 10px; }
.brand span { font-weight: 800; font-size: 19px; letter-spacing: -0.3px; }
nav a { text-decoration: none; color: var(--muted); font-weight: 600; font-size: 15px; margin-left: 16px; }
nav a:hover { color: var(--text); }

h1 { font-size: 44px; line-height: 1.05; letter-spacing: -1.6px; margin: 8px 0 12px; font-weight: 850; }
h2 { font-size: 24px; letter-spacing: -0.5px; margin: 36px 0 10px; }
h3 { font-size: 18px; margin: 22px 0 6px; }
.lead { font-size: 20px; color: var(--muted); margin: 0 0 24px; }
p, li { margin: 0 0 12px; }
ul { padding-left: 22px; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; margin: 24px 0; }
.card { background: var(--card); border-radius: 26px; padding: 20px; }
.card.pastel { color: var(--ink); }
.card h3 { margin-top: 0; }
.card p { margin: 0; font-size: 15.5px; }
.green { background: var(--green); }
.lavender { background: var(--lavender); }
.peach { background: var(--peach); }
.pink { background: var(--pink); }
.pill { display: inline-block; background: #fff; color: var(--ink); border-radius: 999px; padding: 6px 14px; font-weight: 700; font-size: 14px; margin-bottom: 12px; }

.panel { background: var(--card); border-radius: 26px; padding: 22px 22px 10px; margin: 20px 0; }
.panel h2:first-child { margin-top: 0; }
.button { display: inline-block; background: var(--text); color: var(--bg); text-decoration: none; font-weight: 700; border-radius: 999px; padding: 12px 20px; margin: 4px 8px 4px 0; }
.button.secondary { background: var(--raised); color: var(--text); }

.policy h2 { border-top: 1px solid var(--line); padding-top: 24px; }
.policy table { width: 100%; border-collapse: collapse; font-size: 15px; margin: 8px 0 16px; }
.policy th, .policy td { text-align: left; vertical-align: top; padding: 10px 8px; border-bottom: 1px solid var(--line); }
.policy th { color: var(--muted); font-weight: 600; }
.note { background: var(--raised); border-radius: 16px; padding: 14px 16px; font-size: 15.5px; }
.updated { color: var(--muted); font-size: 15px; }

footer { margin-top: 48px; color: var(--muted); font-size: 14px; display: flex; flex-wrap: wrap; gap: 16px; }
footer a { color: var(--muted); }

@media (max-width: 520px) {
  h1 { font-size: 36px; }
  nav a { margin-left: 12px; }
}