:root {
  color-scheme: dark;
  --bg: #091012;
  --panel: #111a1d;
  --line: rgba(143, 174, 181, 0.24);
  --text: #f2f8f5;
  --muted: #a9bbb5;
  --mint: #42d7a3;
  --amber: #f5ae4a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 50% 0%, rgba(66, 215, 163, 0.1), transparent 30%),
    linear-gradient(180deg, #071012, var(--bg));
  color: var(--text);
  font-family: Pretendard, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
  color: var(--mint);
}

.featureShell {
  width: min(860px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 48px;
}

.featureHeader,
.featureCard,
.featureNext {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(17, 26, 29, 0.92);
}

.featureHeader {
  padding: clamp(24px, 5vw, 44px);
}

.featureEyebrow {
  margin: 0 0 8px;
  color: var(--mint);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0.04em;
}

h1,
h2 {
  margin: 0;
  line-height: 1.3;
}

h1 {
  font-size: clamp(30px, 6vw, 48px);
}

h2 {
  font-size: clamp(20px, 3vw, 26px);
}

.featureLead {
  max-width: 680px;
  margin: 16px 0 0;
  color: #d5e4df;
  font-size: 17px;
  line-height: 1.75;
}

.featureActions,
.featureNav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.featureActions {
  margin-top: 22px;
}

.featureButton {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(66, 215, 163, 0.32);
  border-radius: 12px;
  background: rgba(66, 215, 163, 0.1);
  padding: 0 16px;
  color: #dffff3;
  font-weight: 800;
  text-decoration: none;
}

.featureGrid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 14px;
}

.featureCard,
.featureNext {
  padding: 22px;
}

.featureCard p,
.featureCard li,
.featureNext p {
  color: var(--muted);
  line-height: 1.7;
}

.featureCard ul,
.featureCard ol {
  margin: 14px 0 0;
  padding-left: 22px;
}

.featureNext {
  margin-top: 14px;
}

.featureNext strong {
  color: var(--amber);
}

.featureNav {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.featureNav a {
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 640px) {
  .featureShell {
    width: min(100% - 20px, 860px);
    padding-top: 10px;
  }

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