:root {
  --bg: #f7f5f0;
  --bg-soft: #fffdf8;
  --text: #111827;
  --muted: #475569;
  --border: #d6d3d1;
  --brand: #0f766e;
  --brand-strong: #115e59;
  --link: #0f766e;
  --card: #ffffff;
  --warn: #9a3412;
}

* {
  box-sizing: border-box;
}

body.seo-body {
  margin: 0;
  font-family: 'Manrope', 'Avenir Next', Avenir, 'Segoe UI', sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 5% 0%, #e8f4f1 0%, var(--bg) 35%), var(--bg);
  line-height: 1.6;
}

.top-app-bar {
  position: sticky;
  top: 0;
  z-index: 70;
  border-bottom: 1px solid rgba(148, 163, 184, 0.28);
  background: rgba(247, 245, 240, 0.9);
  backdrop-filter: saturate(130%) blur(8px);
}

.top-app-bar-inner {
  max-width: 980px;
  margin: 0 auto;
  padding: 0.55rem 1.25rem;
  display: flex;
  justify-content: flex-end;
}

.top-app-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.8rem;
  padding: 0.65rem 1.2rem;
  border-radius: 0.9rem;
  border: 1px solid #be5a22;
  background: linear-gradient(180deg, #dc6b2a 0%, #c04f1b 100%);
  color: #fff;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.01em;
  box-shadow: 0 10px 24px rgba(192, 79, 27, 0.25);
}

.top-app-cta:hover {
  background: linear-gradient(180deg, #e67531 0%, #be4a18 100%);
  color: #fff;
}

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

a:hover {
  color: var(--brand-strong);
}

.hero {
  max-width: 980px;
  margin: 0 auto;
  padding: 4.5rem 1.25rem 2rem;
}

.eyebrow {
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--muted);
  margin: 0;
}

h1 {
  margin: 0.75rem 0 1rem;
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  line-height: 1.1;
}

.lead {
  margin: 0;
  max-width: 720px;
  color: var(--muted);
  font-size: 1.05rem;
}

.cta-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.btn {
  display: inline-block;
  padding: 0.65rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  text-decoration: none;
  background: #fff;
  color: var(--text);
  font-weight: 600;
}

.btn-primary {
  border-color: var(--brand);
  background: var(--brand);
  color: #fff;
}

.btn-primary:hover {
  color: #fff;
  background: var(--brand-strong);
}

.layout {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 1.25rem 2.5rem;
  display: grid;
  gap: 1rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.1rem 1.1rem;
}

.card h2 {
  margin: 0 0 0.55rem;
  font-size: 1.35rem;
  line-height: 1.2;
}

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

.card ul,
.card ol {
  margin-top: 0.5rem;
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.5rem;
}

.link-grid a {
  display: block;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 0.8rem;
  background: var(--bg-soft);
  text-decoration: none;
  color: var(--text);
  font-weight: 600;
}

.link-grid a:hover {
  border-color: var(--brand);
}

.fact-box {
  border-left: 4px solid var(--brand);
  padding: 0.6rem 0.8rem;
  background: #f0fdfa;
  border-radius: 0.45rem;
}

.limit-box {
  border-left: 4px solid var(--warn);
  padding: 0.6rem 0.8rem;
  background: #fff7ed;
  border-radius: 0.45rem;
}

.breadcrumb {
  font-size: 0.9rem;
  color: var(--muted);
  margin: 0 0 1rem;
}

.breadcrumb a {
  color: var(--muted);
}

.footer {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 1.25rem 2.5rem;
  color: var(--muted);
  font-size: 0.92rem;
}

details {
  border: 1px solid var(--border);
  border-radius: 0.8rem;
  padding: 0.72rem 0.85rem;
  background: var(--bg-soft);
}

summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  font-weight: 600;
  line-height: 1.35;
  cursor: pointer;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: '+';
  flex: 0 0 auto;
  width: 1.3rem;
  height: 1.3rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1;
}

details[open] summary::after {
  content: '\2212';
}

.card details + details {
  margin-top: 0.62rem;
}

details p {
  margin: 0.58rem 0.1rem 0.1rem;
}

@media (max-width: 640px) {
  .hero {
    padding-top: 3rem;
  }

  .card {
    padding: 1rem;
  }

  .top-app-bar-inner {
    justify-content: center;
    padding: 0.5rem 0.75rem;
  }

  .top-app-cta {
    width: 100%;
    max-width: 420px;
  }
}