@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&display=swap");

:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --text: #142033;
  --muted: #4a5c74;
  --line: #d9e2ec;
  --accent: #1f4f95;
  --accent-hover: #163c73;
  --shadow: 0 8px 24px rgba(15, 35, 65, 0.06);
  --radius: 8px;
  --container: 1100px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "IBM Plex Sans", "Segoe UI", "Helvetica Neue", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
}

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

a:hover {
  text-decoration: underline;
}

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

.site-header {
  background-color: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(8px);
}

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

.brand {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0;
  color: var(--text);
  white-space: nowrap;
}

.brand:hover {
  text-decoration: none;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.5rem 0.85rem;
}

.site-nav a {
  color: var(--muted);
  font-size: 0.95rem;
  padding: 0.25rem 0.1rem;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover {
  text-decoration: none;
  color: var(--text);
}

.site-nav a.active {
  color: var(--text);
  border-bottom-color: var(--accent);
  font-weight: 600;
}

.page {
  padding: 3rem 0 4rem;
}

.content-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero {
  padding: 0.5rem 0 0;
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: 2.3rem;
  line-height: 1.2;
}

.hero .lead {
  margin: 0 0 1rem;
  color: #21344f;
  font-size: 1.1rem;
}

.hero p {
  color: var(--muted);
  margin: 0 0 1.2rem;
}

.section-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.section-grid.single-card {
  grid-template-columns: 1fr;
}

.mini-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.9rem 1rem;
}

.mini-card h2 {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
}

.mini-card p {
  margin: 0.3rem 0;
}

.info-list {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

.info-list li {
  margin-bottom: 0.35rem;
}

.button {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  padding: 0.7rem 1rem;
  border-radius: 10px;
  border: 1px solid transparent;
}

.button:hover {
  text-decoration: none;
  background: var(--accent-hover);
}

.content-card {
  padding: 2.2rem 1.6rem;
}

.content-card h1 {
  margin-top: 0;
  line-height: 1.25;
  font-size: 2rem;
}

.content-card h2 {
  margin: 1.8rem 0 0.55rem;
  font-size: 1.1rem;
}

.content-card p {
  margin: 0.45rem 0;
  color: var(--muted);
}

.details {
  margin-top: 1rem;
}

.details p {
  margin: 0.5rem 0;
}

.muted {
  color: #667a95;
  font-size: 0.92rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #ffffff;
}

.footer-inner {
  padding: 1.2rem 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-inner p {
  margin: 0;
  color: #3f516b;
  font-size: 0.95rem;
}

.footer-nav {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
}

.footer-nav a {
  font-size: 0.92rem;
}

@media (max-width: 780px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .hero,
  .content-card {
    padding: 1.6rem 1.2rem;
  }

  .hero {
    padding: 0;
  }

  .hero h1 {
    font-size: 1.85rem;
  }

  .content-card h1 {
    font-size: 1.65rem;
  }

  .section-grid {
    grid-template-columns: 1fr;
  }

  .page {
    padding-top: 2rem;
  }
}