:root {
  --ink: #1c1917;
  --muted: #57534e;
  --bg: #fafaf9;
  --card: #ffffff;
  --line: #e7e5e4;
  --accent: #0f766e;
  --accent-soft: #ccfbf1;
  --max: 720px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
}

a { color: var(--accent); text-decoration-thickness: 1px; }
a:hover { color: #115e59; }

.site-header {
  background: var(--card);
  border-bottom: 1px solid var(--line);
  padding: 0.85rem 1.25rem;
}

.site-header-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--ink);
  text-decoration: none;
}

.nav a {
  margin-left: 1rem;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

.nav a:hover { color: var(--accent); }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}

.breadcrumb {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 1.25rem;
}

.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent); }

h1 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  line-height: 1.25;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.direct-answer {
  background: var(--accent-soft);
  border-left: 4px solid var(--accent);
  padding: 1rem 1.15rem;
  margin: 0 0 1.75rem;
  border-radius: 0 8px 8px 0;
  font-size: 1.05rem;
}

h2 {
  font-size: 1.25rem;
  margin: 2rem 0 0.75rem;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.05rem;
  margin: 1.25rem 0 0.5rem;
}

p { margin: 0 0 1rem; color: #292524; }

ul, ol { margin: 0 0 1.25rem; padding-left: 1.25rem; }
li { margin-bottom: 0.4rem; }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 1.5rem;
  font-size: 0.95rem;
  background: var(--card);
}

th, td {
  border: 1px solid var(--line);
  padding: 0.65rem 0.75rem;
  text-align: left;
  vertical-align: top;
}

th {
  background: #f5f5f4;
  font-weight: 600;
}

.checklist {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1rem 1.15rem 0.35rem;
  margin: 0 0 1.5rem;
}

.key-takeaways {
  background: #fff7ed;
  border-left: 4px solid #ea580c;
  padding: 1rem 1.15rem;
  margin: 0 0 1.5rem;
  border-radius: 0 8px 8px 0;
}

.meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.cta {
  display: inline-block;
  margin-top: 0.5rem;
  background: var(--accent);
  color: #fff !important;
  text-decoration: none;
  padding: 0.7rem 1.1rem;
  border-radius: 8px;
  font-weight: 600;
}

.cta:hover { background: #115e59; }

.related {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.related ul { list-style: none; padding: 0; }
.related li { margin-bottom: 0.55rem; }

.faq-block {
  margin-top: 2rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.25rem 1.35rem;
}

.hub-grid {
  display: grid;
  gap: 0.85rem;
}

.hub-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1rem 1.1rem;
  text-decoration: none;
  color: inherit;
  display: block;
}

.hub-card:hover { border-color: var(--accent); }
.hub-card strong { display: block; margin-bottom: 0.25rem; color: var(--ink); }
.hub-card span { color: var(--muted); font-size: 0.92rem; }

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.5rem 1.25rem 2rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 640px) {
  .nav a { margin-left: 0.65rem; font-size: 0.85rem; }
}