:root{
  --bg: #ffffff;
  --muted-bg: #f5f7fa;
  --text: #1a232b;
  --muted: #52616b;

  --brand: #2f6f9e;         /* calm medical blue */
  --brand-2: #245a7f;
  --border: rgba(18, 34, 46, 0.12);

  --radius: 16px;
  --shadow: 0 16px 40px rgba(16, 24, 40, 0.08);

  --container: 1240px;      /* reduces “floating narrow” on wide screens */
}

*{ box-sizing: border-box; }

html{
    scroll-padding-top: 90px;
    overflow-x: hidden;
}

body{
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }

.container{
  width: min(var(--container), calc(100% - 48px));
  margin: 0 auto;
}

.section{
  padding: 72px 0;
}

.section-muted{
  background: var(--muted-bg);
}

h1,h2,h3{
  letter-spacing: -0.02em;
  line-height: 1.12;
  margin: 0 0 12px;
}

h1{ font-size: clamp(32px, 3.6vw, 52px); }
h2{ font-size: clamp(26px, 2.4vw, 36px); }
h3{ font-size: 18px; }

.lead{
  font-size: 18px;
  color: var(--muted);
  max-width: 52ch;
  margin: 0 0 18px;
}

.subhead{
  color: var(--muted);
  max-width: 70ch;
  margin: 0 0 22px;
  font-size: 16px;
}

.fineprint{
  color: var(--muted);
  font-size: 14px;
  margin-top: 18px;
}

.dot{ margin: 0 10px; color: rgba(26,35,43,0.35); }

:focus-visible{
  outline: 3px solid rgba(47,111,158,0.45);
  outline-offset: 3px;
}