body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: #1c2733;
  background: #f7f9fb;
  line-height: 1.6;
}
.container { max-width: 960px; margin: 0 auto; padding: 0 20px; }

.header {
  background: #12202e;
  color: #fff;
}
.header__inner {
  display: flex;
  align-items: center;
  min-height: 56px;
}
.logo { font-size: 1.05rem; font-weight: 600; letter-spacing: .02em; }

.hero { padding: 64px 0 40px; }
.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  line-height: 1.2;
}
.hero p {
  margin: 0;
  max-width: 44rem;
  font-size: 1.05rem;
  color: #4a5a68;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  padding: 24px 0 16px;
}
.card {
  background: #fff;
  border: 1px solid #e3e9ef;
  border-radius: 10px;
  padding: 24px;
}
.card h2 { margin: 0 0 10px; font-size: 1.1rem; }
.card p { margin: 0; color: #4a5a68; font-size: .95rem; }

.principles { padding: 32px 0 56px; }
.principles h2 { font-size: 1.2rem; }
.principles ul { margin: 12px 0 0; padding-left: 20px; color: #33424f; }
.principles li + li { margin-top: 8px; }

.footer {
  border-top: 1px solid #e3e9ef;
  color: #7a8894;
  font-size: .85rem;
  padding: 20px 0;
}
.footer p { margin: 0; }