:root {
  --seo-bg: #f1f1f0;
  --seo-ink: #1f2933;
  --seo-muted: #52606d;
  --seo-soft: #7b8794;
  --seo-border: #d9e2ec;
  --seo-card: #ffffff;
  --seo-brand: #c9a227;
  --seo-green: #166534;
  --seo-green-dark: #14532d;
  --seo-accent-light: #e8f5e9;
  --seo-radius: 12px;
  --seo-max: 760px;
  --seo-wide: 960px;
  --seo-font: "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body.seo-body {
  margin: 0;
  font-family: var(--seo-font);
  color: var(--seo-ink);
  background: linear-gradient(180deg, #eef5ef 0%, var(--seo-bg) 220px);
  line-height: 1.65;
}

a { color: var(--seo-green); }
a:hover { color: var(--seo-green-dark); }

.seo-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--seo-border);
}

.seo-header-inner {
  max-width: var(--seo-wide);
  margin: 0 auto;
  padding: 0 1.25rem;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.seo-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  color: var(--seo-ink);
  font-weight: 500;
  flex-shrink: 0;
}
.seo-logo strong { color: var(--seo-green); font-weight: 700; }
.seo-logo-mark {
  width: 28px; height: 28px; border-radius: 6px;
  background: var(--seo-green); color: #fff;
  display: grid; place-items: center; font-size: 0.85rem; font-weight: 700;
}

.seo-nav {
  display: none;
  gap: 1.1rem;
  flex: 1;
  margin-left: 0.5rem;
}
.seo-nav a {
  text-decoration: none;
  color: var(--seo-muted);
  font-size: 0.9rem;
}
.seo-nav a:hover { color: var(--seo-ink); }

.seo-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.65rem 1.15rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
  border: 1px solid transparent;
}
.seo-btn-primary {
  background: var(--seo-green);
  color: #fff !important;
  margin-left: auto;
}
.seo-btn-primary:hover { background: var(--seo-green-dark); }
.seo-btn-secondary {
  background: #fff;
  color: var(--seo-ink) !important;
  border-color: var(--seo-border);
}
.seo-btn-secondary:hover { border-color: var(--seo-green); }

@media (min-width: 860px) {
  .seo-nav { display: flex; }
  .seo-btn-primary { margin-left: 0; }
}

.seo-main {
  max-width: var(--seo-wide);
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3.5rem;
}
.seo-main.wide { max-width: var(--seo-wide); }

.seo-crumbs {
  display: flex; flex-wrap: wrap; gap: 0.35rem;
  font-size: 0.85rem; color: var(--seo-soft); margin: 0 0 1rem;
  list-style: none; padding: 0;
}
.seo-crumbs a { color: var(--seo-muted); text-decoration: none; }
.seo-crumbs li:not(:last-child)::after {
  content: "→"; margin-left: 0.35rem; color: var(--seo-border);
}

.seo-eyebrow {
  color: var(--seo-green); font-weight: 700; font-size: 0.85rem; margin: 0 0 0.4rem;
}
.seo-h1 {
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  line-height: 1.2; margin: 0 0 0.75rem; letter-spacing: -0.02em;
}
.seo-lead { font-size: 1.05rem; color: var(--seo-muted); margin: 0 0 1.25rem; }

.seo-answer {
  background: var(--seo-card);
  border: 1px solid var(--seo-border);
  border-radius: var(--seo-radius);
  padding: 1.15rem 1.25rem;
  margin: 0 0 1.5rem;
  box-shadow: 0 1px 2px rgba(31, 41, 51, 0.04);
}
.seo-answer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.85rem;
  margin-top: 0.85rem;
}
.seo-stat-label { font-size: 0.78rem; color: var(--seo-soft); text-transform: uppercase; letter-spacing: 0.04em; }
.seo-stat-value { font-size: 1.2rem; font-weight: 700; color: var(--seo-ink); }

.seo-fresh {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: 0.82rem;
  color: var(--seo-soft);
  background: var(--seo-accent-light);
  padding: 0.25rem 0.55rem;
  border-radius: 6px;
}

.seo-cta-row {
  display: flex; flex-wrap: wrap; gap: 0.75rem;
  margin: 1rem 0 1.75rem;
}

.seo-section { margin: 2rem 0; }
.seo-section h2 {
  font-size: 1.35rem; margin: 0 0 0.65rem; letter-spacing: -0.01em;
}
.seo-section h3 { font-size: 1.05rem; margin: 1.25rem 0 0.4rem; }
.seo-section p, .seo-section li { color: var(--seo-muted); }
.seo-section ul { padding-left: 1.2rem; }

.seo-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--seo-border);
  border-radius: var(--seo-radius);
  background: #fff;
  margin: 1rem 0;
}
.seo-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 560px;
  font-size: 0.92rem;
}
.seo-table th, .seo-table td {
  padding: 0.7rem 0.85rem;
  border-bottom: 1px solid var(--seo-border);
  text-align: left;
  vertical-align: top;
}
.seo-table th {
  background: #f8faf8;
  color: var(--seo-ink);
  font-weight: 600;
}
.seo-table caption {
  text-align: left;
  padding: 0.75rem 0.85rem;
  font-weight: 600;
  color: var(--seo-ink);
}

.seo-form {
  background: #fff;
  border: 1px solid var(--seo-border);
  border-radius: var(--seo-radius);
  padding: 1.15rem;
  margin: 1rem 0 1.5rem;
  display: grid;
  gap: 0.85rem;
}
.seo-form label { display: grid; gap: 0.3rem; font-weight: 600; font-size: 0.92rem; }
.seo-form input, .seo-form select {
  min-height: 44px;
  border: 1px solid var(--seo-border);
  border-radius: 8px;
  padding: 0.55rem 0.75rem;
  font: inherit;
}
.seo-form button {
  min-height: 44px;
  border: 0;
  border-radius: 999px;
  background: var(--seo-green);
  color: #fff;
  font-weight: 600;
  font: inherit;
  cursor: pointer;
}
.seo-error { color: #b91c1c; font-size: 0.9rem; margin: 0; }

.seo-related {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.85rem;
  margin-top: 0.85rem;
}
.seo-related a {
  display: block;
  text-decoration: none;
  background: #fff;
  border: 1px solid var(--seo-border);
  border-radius: var(--seo-radius);
  padding: 0.95rem;
  color: var(--seo-ink);
}
.seo-related a:hover { border-color: var(--seo-green); }
.seo-related strong { display: block; margin-bottom: 0.25rem; color: var(--seo-green-dark); }
.seo-related span { color: var(--seo-muted); font-size: 0.9rem; }

.seo-faq details {
  background: #fff;
  border: 1px solid var(--seo-border);
  border-radius: 10px;
  padding: 0.75rem 1rem;
  margin: 0.5rem 0;
}
.seo-faq summary { cursor: pointer; font-weight: 600; }
.seo-faq p { margin: 0.55rem 0 0; color: var(--seo-muted); }

.seo-method {
  background: #f8faf8;
  border-left: 3px solid var(--seo-green);
  padding: 0.85rem 1rem;
  margin: 1rem 0;
  font-size: 0.92rem;
  color: var(--seo-muted);
}

.seo-footer {
  border-top: 1px solid var(--seo-border);
  background: #fff;
  padding: 2rem 1.25rem;
  color: var(--seo-muted);
  font-size: 0.9rem;
}
.seo-footer-inner {
  max-width: var(--seo-wide);
  margin: 0 auto;
  display: grid;
  gap: 1rem;
}
.seo-footer nav { display: flex; flex-wrap: wrap; gap: 0.85rem 1.25rem; }
.seo-footer a { text-decoration: none; color: var(--seo-muted); }
.seo-footer a:hover { color: var(--seo-ink); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}