:root {
  --bg: #f7f6f1;
  --panel: #ffffff;
  --ink: #202320;
  --muted: #5f665f;
  --line: #d9d8cf;
  --brand: #185b70;
  --brand-dark: #0f4353;
  --accent: #8b5d25;
  --soft: #e8f1f3;
  --warn: #fff1d7;
  --risk: #f8e3df;
  --ok: #e5f2e9;
  --shadow: 0 14px 34px rgba(32, 35, 32, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

a { color: var(--brand-dark); }

button, select { font: inherit; }

.site-header {
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}

.nav {
  max-width: 1120px;
  margin: 0 auto;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.mark {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.logo {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--brand);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 14px;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 14px;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
}

.hero {
  max-width: 1120px;
  margin: 0 auto;
  padding: 54px 20px 34px;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 32px;
  align-items: start;
}

.eyebrow {
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.02;
  margin: 10px 0 16px;
  letter-spacing: 0;
}

h2 {
  font-size: 28px;
  line-height: 1.15;
  margin: 0 0 14px;
  letter-spacing: 0;
}

h3 {
  font-size: 18px;
  margin: 0 0 10px;
}

p { margin: 0 0 14px; }

.lead {
  color: var(--muted);
  font-size: 18px;
  max-width: 720px;
}

.notice {
  background: var(--warn);
  border: 1px solid #ead3a8;
  border-radius: 8px;
  padding: 12px 14px;
  color: #4f3b13;
  font-size: 14px;
  margin: 18px 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.button {
  border: 0;
  border-radius: 8px;
  padding: 12px 15px;
  background: var(--brand);
  color: #fff;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.button.secondary {
  background: var(--panel);
  color: var(--brand-dark);
  border: 1px solid var(--line);
}

.tool-card, .card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.tool-card {
  padding: 18px;
}

.tool-grid {
  display: grid;
  gap: 12px;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  background: #fff;
  color: var(--ink);
}

.check-list {
  display: grid;
  gap: 8px;
}

.check {
  display: flex;
  align-items: start;
  gap: 8px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 500;
}

.result {
  margin-top: 16px;
  padding: 14px;
  border-radius: 8px;
  background: var(--soft);
  border: 1px solid #c8dce2;
  min-height: 120px;
}

.result ul { margin: 8px 0 0; padding-left: 20px; }

.section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 28px 20px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 16px;
}

.card {
  padding: 18px;
}

.card ul, .card ol { margin: 8px 0 0; padding-left: 20px; }

.draft {
  background: #f8faf9;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  white-space: pre-wrap;
}

.copy-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 12px;
}

.copy-btn {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--brand-dark);
  border-radius: 8px;
  padding: 9px 11px;
  cursor: pointer;
  font-weight: 800;
}

.risk {
  background: var(--risk);
  border-color: #edc9c2;
}

.ok {
  background: var(--ok);
  border-color: #bddfc7;
}

.footer {
  margin-top: 28px;
  background: var(--ink);
  color: #fff;
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 24px 20px;
  color: #dfe4df;
  font-size: 14px;
}

.footer a { color: #fff; }

details {
  border-top: 1px solid var(--line);
  padding: 13px 0;
}

summary {
  cursor: pointer;
  font-weight: 800;
}

@media (max-width: 860px) {
  .hero, .grid, .two-col {
    grid-template-columns: 1fr;
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  h1 {
    font-size: 36px;
  }
}