:root {
  --text: #14274b;
  --muted: #49658d;
  --line: #dbe7ff;
  --primary: #4f46e5;
  --accent: #7c3aed;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #f7faff 0%, #eef4ff 100%);
}

.wrap {
  width: min(980px, 92%);
  margin: 26px auto;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 14px;
}

.logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.logo img {
  width: clamp(230px, 30vw, 360px);
  height: auto;
}

.topbar a.link {
  text-decoration: none;
  color: #fff;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  font-weight: 700;
}

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 12px 24px rgba(20, 39, 75, 0.08);
  padding: 22px;
}

h1 {
  margin-top: 0;
  margin-bottom: 10px;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
}

h2 {
  margin: 20px 0 8px;
  font-size: 1.2rem;
}

p,
li {
  color: var(--muted);
  line-height: 1.6;
}

ul {
  margin: 10px 0 0;
}

@media (max-width: 620px) {
  .wrap {
    width: 94%;
    margin: 14px auto;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 10px;
  }

  .logo img {
    width: min(85vw, 320px);
  }

  .card {
    padding: 14px;
    border-radius: 12px;
  }
}