:root {
  --red: #c1272d;
  --ink: #111111;
  --muted: #5c6370;
  --paper: #f7f5f2;
  --line: #e6e2dc;
  --font: "Plus Jakarta Sans", "Segoe UI", sans-serif;
  --display: Sora, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(193, 39, 45, 0.12), transparent 55%),
    linear-gradient(180deg, #fff 0%, var(--paper) 100%);
  line-height: 1.65;
}
a { color: var(--red); font-weight: 700; text-decoration: none; }
a:hover { text-decoration: underline; }

.seo-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.9);
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
  z-index: 5;
}
.seo-brand {
  font-family: var(--display);
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.seo-brand span { color: var(--red); }
.seo-top nav {
  display: flex;
  gap: 0.85rem;
  align-items: center;
  flex-wrap: wrap;
}
.seo-top nav a { color: var(--muted); font-weight: 600; font-size: 0.92rem; }
.seo-cta {
  display: inline-block !important;
  padding: 0.55rem 0.9rem !important;
  background: var(--red) !important;
  color: #fff !important;
  text-decoration: none !important;
  font-weight: 800 !important;
}

.seo-main {
  max-width: 820px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}
.seo-kicker {
  margin: 0 0 0.75rem;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--red);
}
h1 {
  margin: 0 0 1rem;
  font-family: var(--display);
  font-size: clamp(1.85rem, 4vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
}
.seo-lead { font-size: 1.08rem; color: var(--muted); margin: 0 0 1.75rem; }
.seo-main h2 {
  font-family: var(--display);
  font-size: 1.35rem;
  margin: 2rem 0 0.75rem;
}
.seo-main p { margin: 0 0 1rem; color: #333; }
.seo-main ul { margin: 0 0 1.25rem; padding-left: 1.2rem; color: #333; }
.seo-main li { margin: 0.35rem 0; }

.seo-grid {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 2rem;
  display: grid;
  gap: 0.75rem;
}
.seo-grid a {
  display: grid;
  gap: 0.2rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  background: #fff;
  color: inherit;
  text-decoration: none;
}
.seo-grid a:hover { border-color: var(--red); }
.seo-grid strong {
  font-family: var(--display);
  font-size: 1.05rem;
}
.seo-grid span { color: var(--muted); font-weight: 500; font-size: 0.92rem; }

.seo-block {
  margin-top: 2rem;
  padding: 1.35rem 1.25rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.75);
}
.seo-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0 0;
}
.seo-actions a {
  display: inline-block;
  padding: 0.85rem 1.15rem;
  font-weight: 800;
  text-decoration: none;
}
.seo-actions .primary { background: var(--red); color: #fff; }
.seo-actions .ghost { border: 1.5px solid var(--red); color: var(--red); background: #fff; }

.seo-foot {
  border-top: 1px solid var(--line);
  padding: 1.25rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}
.seo-foot p { margin: 0; }

@media (max-width: 640px) {
  .seo-top { flex-direction: column; align-items: flex-start; }
}