.seo-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(150px, 18vw, 220px) 0 clamp(82px, 10vw, 130px);
  color: var(--paper);
  background: radial-gradient(ellipse at 76% 35%, rgba(230, 57, 70, .15), transparent 38%), var(--ink);
}

.seo-hero::before {
  position: absolute;
  z-index: -1;
  inset: 34% -12% -45%;
  content: "";
  background-image: linear-gradient(rgba(230, 57, 70, .18) 1px, transparent 1px), linear-gradient(90deg, rgba(230, 57, 70, .18) 1px, transparent 1px);
  background-size: 72px 72px;
  transform: perspective(820px) rotateX(58deg) scale(1.2);
  transform-origin: 50% 100%;
  opacity: .48;
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 30%, transparent 95%);
  mask-image: linear-gradient(to bottom, transparent, #000 30%, transparent 95%);
}

.seo-hero__inner { max-width: 900px; }
.seo-breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; color: rgba(242, 239, 234, .62); font-size: 12px; }
.seo-breadcrumbs a { text-decoration: underline; text-decoration-color: rgba(242, 239, 234, .3); text-underline-offset: 3px; }
.seo-hero .eyebrow, .seo-hero__meta { color: #ff6b73; }
.seo-hero h1 { max-width: 880px; margin: 0 0 22px; font-size: clamp(42px, 7.2vw, 76px); line-height: .98; letter-spacing: -.045em; text-wrap: balance; }
.seo-hero__lead { max-width: 740px; margin-bottom: 30px; color: rgba(242, 239, 234, .76); font-size: clamp(17px, 2vw, 21px); }
.seo-hero__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 18px 26px; }
.seo-hero__meta { margin: 0 0 20px; font-size: 11px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }

.seo-content { padding: clamp(68px, 9vw, 112px) 0; }
.seo-content--dark { color: var(--paper); background: var(--charcoal); }
.seo-content__grid { display: grid; grid-template-columns: minmax(0, .72fr) minmax(0, 1.28fr); gap: clamp(40px, 8vw, 110px); align-items: start; }
.seo-content__intro { position: sticky; top: 110px; }
.seo-content__intro h2, .seo-article h2 { margin-bottom: 18px; font-size: clamp(30px, 4vw, 46px); line-height: 1.06; letter-spacing: -.035em; text-wrap: balance; }
.seo-content__intro p:last-child { color: var(--slate); }
.seo-content--dark .seo-content__intro p:last-child { color: rgba(242, 239, 234, .68); }
.seo-steps { margin: 0; padding: 0; border-top: 1px solid var(--line-light); list-style: none; }
.seo-steps li { display: grid; grid-template-columns: 54px minmax(0, 1fr); gap: 18px; padding: 24px 0; border-bottom: 1px solid var(--line-light); }
.seo-steps li > span { color: var(--grid-red); font-size: 12px; font-weight: 800; }
.seo-steps h3 { margin: 0 0 7px; font-size: 21px; }
.seo-steps p { max-width: 680px; margin: 0; color: rgba(242, 239, 234, .65); }
.seo-prose { max-width: 790px; }
.seo-prose > :last-child { margin-bottom: 0; }
.seo-prose p, .seo-prose li { color: #4e5552; }
.seo-prose h2 { margin-top: 54px; }
.seo-prose h3 { margin: 32px 0 10px; font-size: clamp(21px, 2.5vw, 28px); line-height: 1.2; }
.seo-prose ul, .seo-prose ol { padding-left: 1.3em; }
.seo-prose li { padding-left: 5px; margin: 8px 0; }
.seo-callout { margin: 32px 0; padding: 24px 0 24px 22px; border-left: 2px solid var(--grid-red); color: var(--ink); font-size: 18px; }
.seo-link-row { display: flex; flex-wrap: wrap; gap: 14px 24px; margin-top: 28px; }
.seo-link-row a, .seo-prose a { color: var(--red-on-light); text-decoration: underline; text-decoration-color: rgba(184, 46, 57, .42); text-underline-offset: 3px; }
.seo-faq { border-top: 1px solid var(--line-dark); }
.seo-faq details { padding: 21px 0; border-bottom: 1px solid var(--line-dark); }
.seo-faq summary { cursor: pointer; font-weight: 750; }
.seo-faq details p { max-width: 800px; margin: 12px 0 0; color: #575d59; }
.seo-content--dark .seo-faq, .seo-content--dark .seo-faq details { border-color: var(--line-light); }
.seo-content--dark .seo-faq details p { color: rgba(242, 239, 234, .74); }
.seo-cta { padding: clamp(58px, 8vw, 94px) 0; color: var(--paper); background: var(--ink); }
.seo-cta__inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.seo-cta h2 { max-width: 700px; margin: 0; font-size: clamp(30px, 4vw, 48px); line-height: 1.04; }
.seo-cta p { margin: 12px 0 0; color: rgba(242, 239, 234, .66); }
.seo-article { max-width: 850px; margin-inline: auto; }
.seo-article__summary { margin: 0 0 38px; padding-bottom: 26px; border-bottom: 1px solid var(--line-dark); color: var(--ink); font-size: 21px; line-height: 1.5; }
.seo-article__summary strong { color: var(--red-on-light); }
.seo-related { padding: 56px 0; border-top: 1px solid var(--line-dark); }
.seo-related h2 { font-size: 24px; }
.seo-related ul { display: flex; flex-wrap: wrap; gap: 12px 26px; padding: 0; list-style: none; }
.seo-related a { color: var(--red-on-light); text-decoration: underline; text-underline-offset: 4px; }
.seo-guides { padding: clamp(64px, 8vw, 104px) 0; color: var(--paper); background: var(--charcoal); }
.seo-guides__heading { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 34px; }
.seo-guides__heading h2 { max-width: 620px; margin: 0; font-size: clamp(30px, 4vw, 48px); line-height: 1.04; }
.seo-guides__list { border-top: 1px solid var(--line-light); }
.seo-guides__list a { display: grid; grid-template-columns: 190px minmax(0, 1fr) 24px; gap: 20px; align-items: center; padding: 23px 0; border-bottom: 1px solid var(--line-light); }
.seo-guides__list a > span:first-child { color: #ff6b73; font-size: 10px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.seo-guides__list strong { font-size: clamp(17px, 2vw, 22px); font-weight: 660; }
.seo-guides__list a > span:last-child { color: var(--grid-red); }
.seo-article-page .site-footer { margin-top: 0; }

@media (max-width: 768px) {
  .seo-hero { padding-top: 132px; }
  .seo-hero h1 { font-size: clamp(38px, 10vw, 54px); }
  .seo-content__grid { grid-template-columns: 1fr; gap: 30px; }
  .seo-content__intro { position: static; }
  .seo-cta__inner { align-items: stretch; flex-direction: column; }
  .seo-cta__inner .button { width: 100%; }
  .seo-guides__list a { grid-template-columns: 1fr 24px; gap: 7px 14px; }
  .seo-guides__list a > span:first-child { grid-column: 1 / -1; }
}

@media (prefers-reduced-motion: reduce) {
  .seo-hero *, .seo-content *, .seo-cta * { scroll-behavior: auto !important; }
}