:root {
  color-scheme: light;
  font-family: Inter, ui-rounded, "SF Pro Rounded", "SF Pro Display", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #183143;
  background: #fff9f2;
  font-synthesis: none;
  line-height: 1.65;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 12% 0%, rgba(255, 112, 94, 0.14), transparent 34rem),
    radial-gradient(circle at 94% 8%, rgba(44, 190, 177, 0.14), transparent 30rem),
    #fff9f2;
}

header {
  border-bottom: 1px solid rgba(24, 49, 67, 0.1);
  background: rgba(255, 249, 242, 0.88);
  backdrop-filter: blur(18px);
}

.bar {
  width: min(760px, calc(100% - 36px));
  min-height: 64px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  color: #183143;
  font-size: 1.1rem;
  font-weight: 850;
  text-decoration: none;
}

.back {
  color: #087f78;
  font-weight: 750;
  text-decoration: none;
}

main {
  width: min(760px, calc(100% - 36px));
  margin: 46px auto 80px;
}

.eyebrow {
  margin: 0 0 8px;
  color: #d74e3d;
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

h1, h2 { line-height: 1.16; }
h1 { margin: 0; font-size: clamp(2.2rem, 8vw, 4.4rem); letter-spacing: -0.055em; }
h2 { margin: 42px 0 10px; font-size: 1.25rem; }
p, li { color: #455c6a; }
.lede { max-width: 650px; font-size: 1.08rem; }
.updated { color: #71828d; font-size: 0.9rem; }

.card {
  margin-top: 26px;
  padding: 24px;
  border: 1px solid rgba(24, 49, 67, 0.09);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 18px 60px rgba(24, 49, 67, 0.08);
}

ul { padding-left: 1.25rem; }
a { color: #087f78; }
strong { color: #183143; }

@media (max-width: 520px) {
  main { margin-top: 30px; }
  .card { padding: 20px; border-radius: 20px; }
}