:root {
  --ophq-primary: #19b66a;
  --ophq-secondary: #1f1f1f;
  --ophq-surface: #f7fbf9;
  --ophq-border: #dcebe3;
  --ophq-muted: rgba(31, 31, 31, 0.68);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--ophq-surface);
  color: var(--ophq-secondary);
  font-family: "DM Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
  color: inherit;
}

.seo-main {
  overflow: hidden;
}

.seo-section {
  padding: 72px 24px;
}

.seo-container {
  width: min(1120px, 100%);
  margin: 0 auto;
}

.seo-hero {
  position: relative;
  background:
    radial-gradient(circle at 20% 20%, rgba(25, 182, 106, 0.14), transparent 30%),
    radial-gradient(circle at 80% 10%, rgba(66, 133, 244, 0.12), transparent 28%),
    #ffffff;
  border-bottom: 1px solid var(--ophq-border);
}

.seo-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(31, 31, 31, 0.06) 1px, transparent 1px);
  background-size: 18px 18px;
  opacity: 0.5;
}

.seo-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(320px, 0.96fr);
  gap: 48px;
  align-items: center;
}

.seo-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  margin: 0 0 24px;
  border: 1px solid rgba(25, 182, 106, 0.24);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.76);
  color: var(--ophq-primary);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.seo-eyebrow::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--ophq-primary);
}

.seo-h1,
.seo-h2,
.seo-card h3,
.seo-panel h2,
.seo-footer-title {
  margin-top: 0;
  font-family: "Space Grotesk", system-ui, sans-serif;
  letter-spacing: 0;
}

.seo-h1 {
  max-width: 860px;
  margin-bottom: 22px;
  font-size: clamp(40px, 7vw, 74px);
  line-height: 1.02;
}

.seo-lede {
  max-width: 760px;
  margin: 0 0 30px;
  color: var(--ophq-muted);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.6;
}

.seo-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.seo-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 20px;
  border-radius: 10px;
  border: 1px solid var(--ophq-border);
  background: #ffffff;
  color: var(--ophq-secondary);
  font-weight: 800;
  text-decoration: none;
}

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

.seo-panel {
  position: relative;
  padding: 28px;
  border-radius: 12px;
  background: var(--ophq-secondary);
  color: #ffffff;
  box-shadow: 0 26px 70px rgba(20, 40, 30, 0.22);
}

.seo-panel h2 {
  margin-bottom: 18px;
  font-size: 26px;
}

.seo-flow {
  display: grid;
  gap: 12px;
}

.seo-step {
  padding: 16px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.1);
}

.seo-step strong {
  display: block;
  margin-bottom: 6px;
}

.seo-step span,
.seo-panel p {
  color: rgba(255, 255, 255, 0.72);
}

.seo-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.seo-card,
.seo-faq details {
  border: 1px solid var(--ophq-border);
  border-radius: 12px;
  background: #ffffff;
}

.seo-card {
  padding: 22px;
}

.seo-card h3 {
  margin-bottom: 10px;
  font-size: 22px;
}

.seo-card p,
.seo-card li,
.seo-faq p {
  color: var(--ophq-muted);
  line-height: 1.62;
}

.seo-card ul {
  padding-left: 20px;
  margin: 0;
}

.seo-h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 4vw, 46px);
}

.seo-faq {
  display: grid;
  gap: 14px;
}

.seo-faq details {
  padding: 18px 20px;
}

.seo-faq summary {
  cursor: pointer;
  font-weight: 800;
}

.seo-faq p {
  margin: 12px 0 0;
}

.seo-cta {
  background: var(--ophq-secondary);
  color: #ffffff;
}

.seo-cta-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
}

.seo-cta p {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.62;
}

.seo-footer {
  padding: 32px 24px;
  background: var(--ophq-secondary);
  color: #ffffff;
}

.seo-footer-inner {
  width: min(1120px, 100%);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
}

.seo-footer p {
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
}

.seo-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 14px;
}

.seo-footer-links a {
  color: rgba(255, 255, 255, 0.78);
  text-decoration: none;
}

.seo-footer-links a:hover {
  color: var(--ophq-primary);
}

@media (max-width: 860px) {
  .seo-section {
    padding: 56px 24px;
  }

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

  .seo-cta-inner,
  .seo-footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .seo-button {
    width: 100%;
  }
}