:root {
  color: #153a38;
  background: #f5f7f2;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-height: 100vh; }
a { color: inherit; }

.topbar {
  min-height: 76px;
  padding: 0 7vw;
  display: flex;
  align-items: center;
  gap: 36px;
  border-bottom: 1px solid rgba(21, 58, 56, 0.13);
  background: rgba(245, 247, 242, 0.94);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-right: auto;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-decoration: none;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  color: white;
  background: #118b79;
  border-radius: 11px 11px 4px 11px;
  letter-spacing: 0;
}

nav { display: flex; gap: 28px; }
nav a { color: #496461; font-size: 14px; text-decoration: none; }
.test-badge {
  padding: 8px 12px;
  color: #805514;
  background: #fff3cc;
  border: 1px solid #eed58a;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.hero {
  min-height: 610px;
  padding: 88px 8vw 74px;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
  align-items: center;
  gap: 8vw;
  background:
    radial-gradient(circle at 75% 18%, rgba(17, 139, 121, 0.13), transparent 28%),
    linear-gradient(135deg, #f8faf5 0%, #edf4ed 100%);
}

.hero-copy { max-width: 760px; }
.eyebrow {
  margin: 0 0 20px;
  color: #118b79;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.2em;
}
h1 {
  margin: 0;
  max-width: 740px;
  color: #123f3a;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(48px, 7vw, 92px);
  line-height: 0.98;
  letter-spacing: -0.045em;
}
.lede {
  max-width: 650px;
  margin: 28px 0 0;
  color: #536d69;
  font-size: 18px;
  line-height: 1.7;
}
.actions { margin-top: 30px; display: flex; align-items: center; gap: 20px; }
button { border: 0; font: inherit; cursor: pointer; }
.primary {
  padding: 16px 24px;
  color: white;
  background: #118b79;
  border-radius: 999px;
  font-weight: 750;
  box-shadow: 0 14px 30px rgba(17, 139, 121, 0.24);
}
.primary:hover { background: #0b7667; }
.primary:disabled { cursor: not-allowed; opacity: 0.5; }
.secondary { color: #345b56; font-weight: 700; text-underline-offset: 4px; }
.chat-status { min-height: 22px; margin-top: 18px; color: #718681; font-size: 13px; }

.hero-panel {
  position: relative;
  min-height: 390px;
  padding: 42px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  color: white;
  background: #153f3b;
  border-radius: 42px 42px 10px 42px;
  box-shadow: 0 28px 80px rgba(21, 58, 56, 0.22);
}
.hero-panel p { position: relative; margin: 0; font-size: 28px; line-height: 1.25; }
.pulse {
  position: absolute;
  width: 360px;
  height: 360px;
  top: -135px;
  right: -100px;
  border: 55px solid rgba(111, 215, 184, 0.12);
  border-radius: 50%;
}
.medical-cross { position: absolute; top: 92px; left: 50%; width: 110px; height: 110px; transform: translateX(-50%); }
.medical-cross span { position: absolute; inset: 40px 0; background: #6fd7b8; border-radius: 8px; }
.medical-cross span:last-child { transform: rotate(90deg); }

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid rgba(21, 58, 56, 0.13);
  border-bottom: 1px solid rgba(21, 58, 56, 0.13);
}
.features article { min-height: 225px; padding: 38px 7vw; border-right: 1px solid rgba(21, 58, 56, 0.13); }
.features article:last-child { border-right: 0; }
.features span { color: #118b79; font-size: 12px; font-weight: 800; }
.features h2 { margin: 22px 0 10px; font-family: Georgia, "Times New Roman", serif; font-size: 26px; }
.features p { margin: 0; color: #617773; line-height: 1.65; }

footer {
  padding: 28px 7vw;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  color: #718681;
  font-size: 12px;
}

@media (max-width: 820px) {
  nav { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 66px; }
  .hero-panel { min-height: 290px; }
  .features { grid-template-columns: 1fr; }
  .features article { border-right: 0; border-bottom: 1px solid rgba(21, 58, 56, 0.13); }
  footer { flex-direction: column; }
}

@media (max-width: 520px) {
  .topbar { padding: 0 20px; }
  .test-badge { display: none; }
  .hero { padding: 56px 22px 54px; }
  h1 { font-size: 48px; }
  .lede { font-size: 16px; }
  .actions { align-items: flex-start; flex-direction: column; }
  .hero-panel { min-height: 250px; border-radius: 30px 30px 8px 30px; }
}