:root {
  --medical-blue: #0f4c81;
  --medical-blue-dark: #0b365c;
  --soft-green: #6bbf8f;
  --text-color: #1f2a36;
  --muted-text: #5f6b78;
  --bg-soft: #f4f8fb;
  --white: #ffffff;
  --shadow: 0 10px 30px rgba(15, 76, 129, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text-color);
  background: var(--white);
  line-height: 1.6;
}

a {
  color: var(--medical-blue);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  display: block;
  height: auto;
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #e5edf4;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 700;
  color: var(--medical-blue-dark);
}

.brand img {
  width: 42px;
  height: 42px;
}

.nav-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 0;
  padding: 0;
}

.hero {
  background: linear-gradient(125deg, #e8f2fa 5%, #ffffff 55%, #ecf8f0 100%);
  padding: 4.5rem 0 3rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: center;
}

h1,
h2,
h3 {
  color: var(--medical-blue-dark);
  line-height: 1.2;
}

h1 {
  font-size: clamp(1.8rem, 2.8vw, 3rem);
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(1.5rem, 2.2vw, 2.2rem);
  margin: 0 0 0.8rem;
}

.lead {
  color: var(--muted-text);
  font-size: 1.05rem;
}

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.5rem;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.2rem;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--medical-blue);
  color: #fff;
}

.btn-primary:hover {
  background: #0d436f;
  text-decoration: none;
}

.btn-outline {
  border-color: var(--medical-blue);
}

section {
  padding: 3.6rem 0;
}

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

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.card {
  background: #fff;
  border: 1px solid #e5edf4;
  border-radius: 16px;
  padding: 1.1rem;
  box-shadow: var(--shadow);
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: center;
}

.banner {
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid #d6e5f2;
}

.site-footer {
  padding: 1.8rem 0;
  background: #0d2f4d;
  color: #e5eef6;
  font-size: 0.95rem;
}

.site-footer a {
  color: #d8f0e2;
}

.breadcrumb {
  font-size: 0.92rem;
  margin: 0 0 1rem;
  color: var(--muted-text);
}

@media (max-width: 940px) {
  .hero-grid,
  .cards,
  .split {
    grid-template-columns: 1fr;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }
}