:root {
  --navy: #08236f;
  --blue: #0879e8;
  --cyan: #08b8d8;
  --orange: #ff9c16;
  --coral: #ec1350;
  --line: #dfe7f2;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 90% 0, rgba(255, 156, 22, 0.16), transparent 24%),
    #f8fbff;
  color: #14213d;
  font: 16px/1.65 system-ui, -apple-system, "Segoe UI", sans-serif;
}

.page {
  width: min(860px, calc(100% - 32px));
  margin: 32px auto 80px;
}

.back,
a {
  color: var(--blue);
}

h1 {
  color: var(--navy);
  font-size: clamp(32px, 6vw, 52px);
  line-height: 1.05;
}

h2 {
  margin-top: 34px;
  color: var(--navy);
}

article {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 5vw, 48px);
  border: 1px solid var(--line);
  border-radius: 28px;
  background: #fff;
  box-shadow: 0 24px 70px rgba(8, 35, 111, 0.1);
}

article::before {
  position: absolute;
  inset: 0 0 auto;
  height: 7px;
  background: linear-gradient(
    90deg,
    var(--blue),
    var(--cyan),
    var(--orange),
    var(--coral)
  );
  content: "";
}

.note {
  padding: 16px;
  border-radius: 14px;
  background: #fff4dc;
}