:root {
  color-scheme: light;
  --seo-ink: #332943;
  --seo-muted: #756b82;
  --seo-violet: #6740b4;
  --seo-violet-dark: #4e2a91;
  --seo-violet-soft: #f2ebff;
  --seo-pink: #f3bccb;
  --seo-pink-soft: #fff0f5;
  --seo-blue-soft: #eef7ff;
  --seo-surface: #ffffff;
  --seo-line: #eadcf5;
  --seo-shadow: 0 18px 48px rgba(82, 44, 126, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--seo-ink);
  background:
    radial-gradient(circle at 15% 0%, rgba(243, 188, 203, 0.36), transparent 34rem),
    radial-gradient(circle at 92% 30%, rgba(229, 213, 255, 0.54), transparent 30rem),
    #fffafd;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--seo-violet);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 0.2em;
}

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

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(103, 64, 180, 0.35);
  outline-offset: 4px;
  border-radius: 8px;
}

.seo-skip-link {
  position: fixed;
  z-index: 10;
  top: 8px;
  left: 8px;
  padding: 10px 14px;
  color: #ffffff;
  background: var(--seo-violet-dark);
  border-radius: 10px;
  transform: translateY(-150%);
}

.seo-skip-link:focus {
  transform: translateY(0);
}

.seo-shell {
  width: min(100% - 32px, 1120px);
  margin-inline: auto;
}

.seo-header {
  padding-block: 18px;
}

.seo-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.seo-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--seo-ink);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.seo-brand__mark {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  color: #ffffff;
  background: linear-gradient(145deg, var(--seo-pink), var(--seo-violet));
  border-radius: 14px;
  box-shadow: 0 8px 18px rgba(103, 64, 180, 0.18);
}

.seo-header__link {
  font-size: 14px;
  font-weight: 700;
}

.seo-breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 8px 0 0;
  padding: 0;
  color: var(--seo-muted);
  font-size: 14px;
  list-style: none;
}

.seo-breadcrumbs li:not(:last-child)::after {
  margin-left: 6px;
  content: "›";
}

.seo-hero {
  padding-block: 48px 56px;
}

.seo-hero__content {
  max-width: 790px;
}

.seo-eyebrow {
  display: inline-flex;
  margin: 0 0 14px;
  padding: 6px 12px;
  color: var(--seo-violet-dark);
  background: var(--seo-violet-soft);
  border: 1px solid var(--seo-line);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.16;
  letter-spacing: -0.035em;
}

h1 {
  max-width: 880px;
  margin-bottom: 18px;
  font-size: clamp(37px, 10vw, 68px);
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(28px, 7vw, 42px);
}

h3 {
  margin-bottom: 8px;
  font-size: 21px;
}

p {
  margin-top: 0;
}

.seo-lede {
  max-width: 760px;
  margin-bottom: 26px;
  color: var(--seo-muted);
  font-size: clamp(19px, 5vw, 24px);
  line-height: 1.45;
}

.seo-actions {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 12px;
}

.seo-button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 13px 20px;
  border: 2px solid var(--seo-violet);
  border-radius: 16px;
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    background-color 160ms ease;
}

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

.seo-button--primary {
  color: #ffffff;
  background: var(--seo-violet);
  box-shadow: 0 12px 24px rgba(103, 64, 180, 0.2);
}

.seo-button--primary:hover {
  color: #ffffff;
  background: var(--seo-violet-dark);
}

.seo-button--secondary {
  color: var(--seo-violet-dark);
  background: rgba(255, 255, 255, 0.82);
}

.seo-trust-list {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 26px 0 0;
  padding: 0;
  color: var(--seo-muted);
  font-size: 14px;
  list-style: none;
}

.seo-trust-list li {
  padding: 7px 11px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--seo-line);
  border-radius: 999px;
}

.seo-section {
  padding-block: 48px;
}

.seo-section--surface {
  background: rgba(255, 255, 255, 0.76);
  border-block: 1px solid rgba(234, 220, 245, 0.8);
}

.seo-section__intro {
  max-width: 720px;
  margin-bottom: 24px;
  color: var(--seo-muted);
  font-size: 18px;
}

.seo-grid {
  display: grid;
  gap: 16px;
}

.seo-card {
  padding: 22px;
  background: var(--seo-surface);
  border: 1px solid var(--seo-line);
  border-radius: 22px;
  box-shadow: var(--seo-shadow);
}

.seo-card p:last-child,
.seo-card ul:last-child {
  margin-bottom: 0;
}

.seo-card__number {
  display: grid;
  width: 38px;
  height: 38px;
  margin-bottom: 15px;
  place-items: center;
  color: var(--seo-violet-dark);
  background: var(--seo-violet-soft);
  border-radius: 12px;
  font-weight: 900;
}

.seo-list {
  margin: 0;
  padding-left: 22px;
}

.seo-list li + li {
  margin-top: 8px;
}

.seo-formula {
  margin: 18px 0;
  padding: 18px;
  overflow-wrap: anywhere;
  color: var(--seo-violet-dark);
  background: var(--seo-violet-soft);
  border: 1px solid var(--seo-line);
  border-radius: 18px;
  font-size: 17px;
  font-weight: 800;
}

.seo-note {
  margin-top: 22px;
  padding: 20px;
  background: var(--seo-blue-soft);
  border: 1px solid #cfe5f6;
  border-radius: 20px;
}

.seo-note--pink {
  background: var(--seo-pink-soft);
  border-color: #f1ccd8;
}

.seo-article {
  max-width: 820px;
}

.seo-article > section + section {
  margin-top: 42px;
}

.seo-example {
  padding: 22px;
  background: var(--seo-surface);
  border: 1px solid var(--seo-line);
  border-left: 5px solid var(--seo-pink);
  border-radius: 18px;
  box-shadow: var(--seo-shadow);
}

.seo-example strong {
  color: var(--seo-violet-dark);
}

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

.seo-faq details {
  padding: 18px 20px;
  background: var(--seo-surface);
  border: 1px solid var(--seo-line);
  border-radius: 18px;
}

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

.seo-faq details p {
  margin: 14px 0 0;
  color: var(--seo-muted);
}

.seo-cta {
  margin-block: 48px;
  padding: 28px 22px;
  color: #ffffff;
  background:
    radial-gradient(circle at 85% 10%, rgba(243, 188, 203, 0.7), transparent 20rem),
    linear-gradient(135deg, #6e45bb, #4e2a91);
  border-radius: 26px;
  box-shadow: 0 22px 55px rgba(78, 42, 145, 0.22);
}

.seo-cta h2 {
  margin-bottom: 10px;
}

.seo-cta p {
  max-width: 680px;
  color: rgba(255, 255, 255, 0.86);
}

.seo-cta .seo-button--secondary {
  color: var(--seo-violet-dark);
  background: #ffffff;
  border-color: #ffffff;
}

.seo-footer {
  margin-top: 56px;
  padding-block: 28px 34px;
  background: rgba(242, 235, 255, 0.72);
  border-top: 1px solid var(--seo-line);
}

.seo-footer__inner {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.seo-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
}

.seo-footer p {
  margin: 0;
  color: var(--seo-muted);
  font-size: 14px;
}

@media (min-width: 560px) {
  .seo-actions {
    flex-direction: row;
    align-items: center;
  }

  .seo-button {
    width: auto;
  }
}

@media (min-width: 760px) {
  .seo-shell {
    width: min(100% - 64px, 1120px);
  }

  .seo-header {
    padding-block: 24px;
  }

  .seo-hero {
    padding-block: 76px 88px;
  }

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

  .seo-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

  .seo-grid--three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .seo-card {
    padding: 28px;
  }

  .seo-cta {
    padding: 42px;
  }

  .seo-footer__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}