:root {
  color-scheme: light;
  --bg: #f4f0e8;
  --ink: #13211c;
  --muted: #596960;
  --line: rgba(19, 33, 28, 0.12);
  --card: rgba(255, 255, 255, 0.72);
  --accent: #0f7b6c;
  --accent-strong: #084e45;
  --accent-soft: #d9efe6;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(15, 123, 108, 0.18), transparent 24rem),
    radial-gradient(circle at bottom right, rgba(212, 169, 69, 0.16), transparent 28rem),
    linear-gradient(180deg, #f7f3eb 0%, var(--bg) 100%);
  color: var(--ink);
  font: 16px/1.6 "SF Pro Text", "PingFang SC", "Noto Sans SC", sans-serif;
}

.shell {
  width: min(100%, 56rem);
  margin: 0 auto;
  padding: 3rem 1.25rem 4rem;
}

.hero,
.panel {
  border: 1px solid var(--line);
  border-radius: 1.6rem;
  background: var(--card);
  backdrop-filter: blur(12px);
  box-shadow: 0 1.5rem 4rem rgba(19, 33, 28, 0.08);
}

.hero {
  padding: 2rem 1.5rem;
}

.eyebrow {
  margin: 0 0 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
  font-size: 0.78rem;
}

h1,
h2 {
  margin: 0;
  font-family: "SF Pro Display", "PingFang SC", "Noto Sans SC", sans-serif;
}

h1 {
  max-width: 13em;
  font-size: clamp(2rem, 6vw, 3.6rem);
  line-height: 1.05;
}

.lede,
.meta,
.summary,
.list {
  color: var(--muted);
}

.lede {
  max-width: 42rem;
  margin: 1rem 0 0;
  font-size: 1.05rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.5rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.8rem;
  padding: 0.75rem 1.15rem;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
}

.button.primary {
  color: white;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
}

.button.secondary {
  color: var(--accent-strong);
  background: var(--accent-soft);
}

.meta {
  margin-top: 1rem;
}

.panel {
  margin-top: 1rem;
  padding: 1.4rem 1.25rem;
}

.summary {
  margin: 0.8rem 0 0;
}

.list {
  margin: 0.8rem 0 0;
  padding-left: 1.2rem;
}

code {
  font: 0.92em "SF Mono", "JetBrains Mono", monospace;
  color: var(--accent-strong);
}

@media (max-width: 640px) {
  .shell {
    padding-top: 1.5rem;
  }

  .hero,
  .panel {
    border-radius: 1.2rem;
  }
}