:root {
  --page-bg: #08111f;
  --page-bg-2: #10203a;
  --ink: #f8fafc;
  --muted: #a7b4c7;
  --line: rgba(226, 232, 240, 0.13);
  --panel: rgba(255, 255, 255, 0.055);
  --panel-strong: rgba(255, 255, 255, 0.085);
  --brand: #2563eb;
  --brand-soft: rgba(37, 99, 235, 0.16);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  background:
    linear-gradient(135deg, rgba(37, 99, 235, 0.12), transparent 36%),
    linear-gradient(160deg, var(--page-bg) 0%, var(--page-bg-2) 58%, #142238 100%);
  color: var(--ink);
  font-family: "Inter", "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.58;
}

a {
  color: inherit;
}

.seo-shell {
  width: min(1040px, calc(100% - 32px));
  margin: 0 auto;
  padding: 18px 0 52px;
}

.seo-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 8px 0 18px;
}

.seo-brand,
.seo-nav a {
  text-decoration: none;
}

.seo-brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.seo-brand img {
  width: 30px;
  height: 30px;
}

.seo-nav {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

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

.seo-hero {
  padding: 28px 0 24px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.seo-kicker {
  margin-bottom: 8px;
  color: var(--brand);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.seo-hero h1 {
  max-width: 780px;
  font-size: clamp(1.9rem, 4vw, 3.3rem);
  line-height: 1.04;
  letter-spacing: -0.055em;
}

.seo-hero-copy {
  max-width: 720px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.98rem;
}

.seo-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.seo-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 800;
}

.seo-button.primary {
  border-color: transparent;
  background: var(--brand);
  color: #ffffff;
}

.seo-button:hover {
  transform: translateY(-1px);
}

.seo-login-note {
  margin-top: 12px;
  color: #fde68a;
  font-size: 0.78rem;
  font-weight: 700;
}

.seo-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 14px;
  margin-top: 18px;
}

.seo-panel {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  box-shadow: 0 18px 42px rgba(2, 6, 23, 0.16);
}

.seo-panel h2 {
  margin-bottom: 10px;
  font-size: 1.05rem;
  letter-spacing: -0.03em;
}

.seo-panel p,
.seo-list li,
.seo-faq p {
  color: var(--muted);
  font-size: 0.9rem;
}

.seo-list {
  display: grid;
  gap: 8px;
  padding-left: 18px;
}

.seo-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 12px;
}

.seo-chip {
  padding: 5px 9px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  background: var(--brand-soft);
  color: #dbeafe;
  font-size: 0.75rem;
  font-weight: 800;
}

.seo-faq {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.seo-faq article {
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
}

.seo-faq h3 {
  margin-bottom: 6px;
  font-size: 0.9rem;
}

.seo-footer {
  margin-top: 28px;
  color: var(--muted);
  text-align: center;
  font-size: 0.76rem;
}

@media (max-width: 820px) {
  .seo-shell {
    width: min(100% - 24px, 1040px);
  }

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

  .seo-grid,
  .seo-faq {
    grid-template-columns: 1fr;
  }

  .seo-hero {
    padding-top: 22px;
  }
}