:root {
  color-scheme: light;
  --bg: #f3f8fc;
  --surface: #ffffff;
  --text: #1c1b1f;
  --muted: #546e7a;
  --primary: #1e88e5;
  --primary-soft: #e3f2fd;
  --border: #cfe4f7;
  --shadow: 0 10px 26px rgba(15, 23, 42, 0.08);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: radial-gradient(circle at top right, #e3f2fd 0%, var(--bg) 40%);
  color: var(--text);
  line-height: 1.6;
}

.page {
  width: min(960px, 92vw);
  margin: 40px auto;
  display: grid;
  gap: 16px;
}

.hero {
  background: linear-gradient(140deg, #0d47a1, #1e88e5 55%, #42a5f5);
  color: #fff;
  border-radius: 20px;
  padding: 28px;
  box-shadow: var(--shadow);
}

.top-nav {
  margin-bottom: 12px;
}

.top-nav a {
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.35);
  padding: 6px 10px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.top-nav a:hover {
  text-decoration: underline;
}

h1 {
  margin: 6px 0 12px;
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  line-height: 1.25;
}

.subtitle {
  margin: 0;
  max-width: 72ch;
  opacity: 0.95;
}

.meta {
  margin-top: 12px;
  font-size: 0.92rem;
  opacity: 0.9;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.04);
}

h2 {
  margin: 0 0 10px;
  font-size: 1.22rem;
}

p {
  margin: 0;
}

p + p,
p + ul,
ul + p {
  margin-top: 10px;
}

ul {
  margin: 0;
  padding-left: 20px;
}

li + li {
  margin-top: 8px;
}

.contact-card {
  background: var(--primary-soft);
  border-color: #90caf9;
}

.summary-card {
  background: linear-gradient(130deg, #e3f2fd 0%, #eef6fd 100%);
  border-color: #90caf9;
}

@media (max-width: 640px) {
  .page {
    width: min(100%, 94vw);
    margin: 20px auto;
  }

  .hero,
  .card {
    border-radius: 14px;
    padding: 18px;
  }
}