/* Intelligent Healthcare Automation — microsite styles
   Palette: deep navy / slate with a single steel-blue accent.
   No external assets. System font stack only. */

:root {
  --navy: #0d1b2e;
  --navy-2: #12263f;
  --slate: #43536a;
  --slate-light: #6b7a8f;
  --ink: #1c2733;
  --bg: #f6f8fa;
  --card: #ffffff;
  --line: #dde4ec;
  --accent: #2e7fd9;
  --accent-dark: #1f63b4;
  --radius: 10px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 17px;
}

a { color: var(--accent-dark); }
a:hover { color: var(--accent); }

/* ---------- Header ---------- */
.site-header {
  background: var(--navy);
  color: #fff;
}
.header-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.wordmark {
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
}
.wordmark span { color: var(--accent); }
.main-nav a {
  color: #c9d6e6;
  text-decoration: none;
  margin-left: 22px;
  font-size: 0.98rem;
}
.main-nav a:hover { color: #fff; }
.main-nav a.nav-cta {
  background: var(--accent);
  color: #fff;
  padding: 8px 16px;
  border-radius: 6px;
  font-weight: 600;
}
.main-nav a.nav-cta:hover { background: var(--accent-dark); }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 70%, #1a3a5c 100%);
  color: #fff;
  padding: 64px 24px 72px;
}
.hero-inner { max-width: 820px; margin: 0 auto; }
.hero .eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  font-weight: 700;
  color: #8fc1f2;
  margin: 0 0 14px;
}
.hero h1 {
  font-size: 2.45rem;
  line-height: 1.18;
  margin: 0 0 18px;
  font-weight: 750;
}
.hero p.lede {
  font-size: 1.16rem;
  color: #d7e3f0;
  margin: 0 0 28px;
  max-width: 680px;
}
.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  padding: 13px 26px;
  border-radius: 7px;
  margin-right: 12px;
}
.btn:hover { background: var(--accent-dark); color: #fff; }
.btn.ghost {
  background: transparent;
  border: 1px solid #7d97b5;
  color: #e6eef7;
}
.btn.ghost:hover { border-color: #fff; color: #fff; }

/* ---------- Layout ---------- */
main { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
section { padding: 44px 0 8px; }
section h2 {
  font-size: 1.65rem;
  line-height: 1.25;
  color: var(--navy);
  margin: 0 0 14px;
}
section h3 { color: var(--navy-2); margin: 0 0 8px; font-size: 1.12rem; }
section p { max-width: 780px; margin: 0 0 16px; }
.narrow { max-width: 780px; }

/* ---------- Stage / card grids ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 18px;
  margin: 22px 0 10px;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 20px;
}
.card .step {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-dark);
  background: #e8f1fb;
  border-radius: 20px;
  padding: 3px 11px;
  margin-bottom: 10px;
}
.card p { margin: 0; font-size: 0.98rem; color: var(--slate); }
.card h3 { margin-bottom: 6px; }
.card a { font-weight: 600; text-decoration: none; }
.card a:hover { text-decoration: underline; }

/* ---------- Deep-dive stage list (how it works) ---------- */
.stage-list { max-width: 820px; }
.stage-block {
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 22px 24px;
  margin-bottom: 16px;
}
.stage-block p { margin: 0 0 10px; }
.stage-block p:last-child { margin-bottom: 0; }

/* ---------- FAQ ---------- */
.faq-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-bottom: 14px;
  max-width: 820px;
}
.faq-item h3 { margin-bottom: 6px; }
.faq-item p { margin: 0; color: var(--slate); }

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--navy);
  color: #fff;
  border-radius: var(--radius);
  padding: 38px 34px;
  margin: 48px 0;
  text-align: left;
}
.cta-band h2 { color: #fff; margin-bottom: 10px; }
.cta-band p { color: #ccd9e8; margin-bottom: 22px; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 24px;
  padding: 28px 24px 40px;
  color: var(--slate-light);
  font-size: 0.92rem;
}
.footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  justify-content: space-between;
}
.site-footer a { color: var(--slate); text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }

/* ---------- Breadcrumb (subpage) ---------- */
.crumb { padding: 22px 0 0; font-size: 0.92rem; color: var(--slate-light); }
.crumb a { text-decoration: none; }
.crumb a:hover { text-decoration: underline; }
.page-head { padding-top: 18px; }
.page-head h1 { font-size: 2.05rem; color: var(--navy); line-height: 1.22; margin: 0 0 12px; }
.page-head p.lede { font-size: 1.1rem; color: var(--slate); max-width: 760px; }

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  body { font-size: 16px; }
  .hero { padding: 44px 20px 52px; }
  .hero h1 { font-size: 1.85rem; }
  .page-head h1 { font-size: 1.6rem; }
  section h2 { font-size: 1.4rem; }
  .main-nav a { margin-left: 14px; }
  .btn { display: block; text-align: center; margin: 0 0 10px; }
  .cta-band { padding: 28px 22px; }
}