:root {
  --bg: #fbf7ef;
  --bg-accent: #f3ead2;
  --surface: rgba(255, 252, 245, 0.9);
  --border: rgba(31, 76, 56, 0.16);
  --text: #153629;
  --muted: #53695f;
  --accent: #197a53;
  --accent-strong: #0f5d3d;
  --accent-soft: rgba(25, 122, 83, 0.1);
  --gold-soft: rgba(244, 212, 140, 0.34);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background:
    radial-gradient(900px 420px at 10% 0%, rgba(25, 122, 83, 0.1), transparent 60%),
    radial-gradient(720px 420px at 100% 12%, rgba(244, 212, 140, 0.32), transparent 62%),
    linear-gradient(180deg, #fffdf7 0%, var(--bg) 100%);
  line-height: 1.58;
}

body::before {
  content: "PDF";
  position: fixed;
  right: -0.08em;
  bottom: -0.04em;
  font-size: clamp(120px, 26vw, 360px);
  font-weight: 900;
  letter-spacing: -0.06em;
  color: rgba(25, 122, 83, 0.05);
  pointer-events: none;
  user-select: none;
}

.wrap {
  width: min(960px, calc(100% - 28px));
  margin: 28px auto 52px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 24px 22px;
  box-shadow: 0 22px 60px rgba(34, 53, 43, 0.1);
  backdrop-filter: blur(10px);
}

.hero {
  display: grid;
  gap: 20px;
}

.hero-panel {
  padding: 22px;
  border: 1px solid rgba(25, 122, 83, 0.14);
  border-radius: 24px;
  background:
    linear-gradient(140deg, rgba(216, 242, 226, 0.92), rgba(255, 249, 234, 0.95));
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  border: 1px solid rgba(25, 122, 83, 0.14);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0 0 10px;
  color: var(--text);
}

h1 {
  font-size: clamp(1.9rem, 4vw, 2.7rem);
  line-height: 1.05;
}

h2 {
  margin-top: 26px;
  font-size: 1.22rem;
}

h3 {
  margin-top: 18px;
  font-size: 1rem;
}

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

a {
  color: var(--accent-strong);
}

.subnav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 22px;
}

.subnav a {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 9px 14px;
  border-radius: 999px;
  border: 1px solid rgba(25, 122, 83, 0.14);
  background: rgba(255, 255, 255, 0.72);
  text-decoration: none;
  color: var(--muted);
}

.subnav a.active,
.subnav a:hover {
  background: var(--accent-soft);
  border-color: rgba(25, 122, 83, 0.26);
  color: var(--text);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.link-card,
.info-card {
  display: block;
  padding: 16px;
  border-radius: 22px;
  border: 1px solid rgba(25, 122, 83, 0.12);
  background: rgba(255, 255, 255, 0.74);
  text-decoration: none;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.55);
}

.link-card strong,
.info-card strong {
  display: block;
  margin-bottom: 6px;
  color: var(--text);
}

.highlight,
.warning {
  margin: 16px 0;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid rgba(25, 122, 83, 0.14);
  background: rgba(255, 255, 255, 0.76);
}

.highlight {
  background: linear-gradient(135deg, rgba(216, 242, 226, 0.76), rgba(255, 249, 234, 0.94));
}

.warning {
  border-color: rgba(140, 64, 49, 0.16);
  background: linear-gradient(135deg, rgba(255, 240, 231, 0.86), rgba(255, 250, 241, 0.94));
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.tag-list li {
  padding: 10px 12px;
  border-radius: 999px;
  background: var(--gold-soft);
  color: #5c4723;
  border: 1px solid rgba(173, 132, 47, 0.14);
}

.split-list {
  display: grid;
  gap: 10px;
}

ul,
ol {
  padding-left: 1.2rem;
}

code {
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(25, 122, 83, 0.08);
  border: 1px solid rgba(25, 122, 83, 0.08);
  color: var(--accent-strong);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
}

.site-footer {
  margin-top: 26px;
  padding-top: 16px;
  border-top: 1px solid rgba(25, 122, 83, 0.12);
  color: #6d7e76;
  font-size: 0.95rem;
}

@media (max-width: 640px) {
  .wrap {
    width: min(100% - 18px, 960px);
    margin-top: 18px;
  }

  .card {
    padding: 18px 16px;
    border-radius: 22px;
  }

  .hero-panel {
    padding: 18px;
    border-radius: 20px;
  }

  body::before {
    font-size: clamp(96px, 30vw, 220px);
  }
}