.seo-page {
  --seo-surface: rgba(17, 24, 39, 0.78);
  --seo-surface-strong: rgba(22, 27, 34, 0.96);
  --seo-line: rgba(148, 163, 184, 0.18);
  --seo-blue: #67a9ff;
  --seo-green: #61d6b8;
  --seo-copy: #b7c0cc;
  background:
    radial-gradient(circle at 82% 6%, rgba(35, 112, 255, 0.14), transparent 28rem),
    radial-gradient(circle at 8% 28%, rgba(78, 201, 176, 0.08), transparent 25rem),
    #050608;
}

.seo-page main {
  overflow: hidden;
}

.seo-page .site-header {
  background: rgba(5, 6, 8, 0.86);
}

.seo-breadcrumbs {
  margin-bottom: 28px;
  color: #8993a2;
  font: 600 0.78rem/1.5 "IBM Plex Mono", monospace;
}

.seo-breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.seo-breadcrumbs li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.seo-breadcrumbs li:not(:last-child)::after {
  content: "/";
  color: rgba(103, 169, 255, 0.5);
}

.seo-breadcrumbs a {
  transition: color 160ms ease;
}

.seo-breadcrumbs a:hover,
.seo-breadcrumbs a:focus-visible {
  color: var(--seo-green);
}

.seo-hero {
  position: relative;
  padding: clamp(64px, 8vw, 112px) 0 78px;
  border-bottom: 1px solid var(--seo-line);
}

.seo-hero::before {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 32px 32px;
  content: "";
  pointer-events: none;
}

.seo-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
  gap: clamp(34px, 6vw, 84px);
  align-items: center;
}

.seo-kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 18px;
  color: var(--seo-green);
  font: 700 0.76rem/1.4 "IBM Plex Mono", monospace;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.seo-kicker::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 16px currentColor;
  content: "";
}

.seo-hero h1 {
  max-width: 880px;
  margin: 0;
  color: #f8fafc;
  font-size: clamp(2.65rem, 6vw, 5.6rem);
  font-weight: 800;
  line-height: 0.96;
  letter-spacing: -0.055em;
  text-wrap: balance;
}

.seo-hero-lead {
  max-width: 760px;
  margin: 26px 0 0;
  color: var(--seo-copy);
  font-size: clamp(1.05rem, 1.7vw, 1.28rem);
  line-height: 1.65;
}

.seo-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.seo-hero-note {
  margin: 20px 0 0;
  color: #8993a2;
  font-size: 0.9rem;
}

.seo-hero-panel {
  position: relative;
  min-height: 390px;
  display: grid;
  align-content: space-between;
  gap: 30px;
  overflow: hidden;
  border: 1px solid rgba(103, 169, 255, 0.25);
  border-radius: 28px;
  background:
    radial-gradient(circle at 78% 12%, rgba(103, 169, 255, 0.22), transparent 42%),
    linear-gradient(155deg, rgba(18, 25, 39, 0.96), rgba(8, 11, 18, 0.98));
  padding: 28px;
  box-shadow: 0 34px 90px rgba(0, 0, 0, 0.36);
}

.seo-hero-panel::after {
  position: absolute;
  right: -70px;
  bottom: -90px;
  width: 230px;
  height: 230px;
  border: 1px solid rgba(97, 214, 184, 0.16);
  border-radius: 50%;
  box-shadow:
    0 0 0 38px rgba(97, 214, 184, 0.035),
    0 0 0 76px rgba(103, 169, 255, 0.025);
  content: "";
}

.seo-panel-head,
.seo-panel-foot {
  position: relative;
  z-index: 1;
}

.seo-panel-head span {
  display: block;
  margin-bottom: 8px;
  color: #7e8a9a;
  font: 700 0.72rem "IBM Plex Mono", monospace;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.seo-panel-head strong {
  color: #f8fafc;
  font-size: 1.35rem;
  line-height: 1.25;
}

.seo-flow {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 10px;
}

.seo-flow span {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 52px;
  border: 1px solid var(--seo-line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.035);
  color: #d7dee8;
  padding: 12px 14px;
  font-weight: 700;
}

.seo-flow span::before {
  width: 9px;
  height: 9px;
  flex: 0 0 9px;
  border-radius: 3px;
  background: var(--seo-blue);
  box-shadow: 0 0 16px rgba(103, 169, 255, 0.55);
  content: "";
}

.seo-flow span:nth-child(2)::before {
  background: var(--seo-green);
  box-shadow: 0 0 16px rgba(97, 214, 184, 0.5);
}

.seo-panel-foot {
  max-width: 250px;
  color: #93a0b1;
  font-size: 0.88rem;
  line-height: 1.55;
}

.seo-trust-strip {
  border-bottom: 1px solid var(--seo-line);
  background: rgba(9, 12, 18, 0.88);
}

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

.seo-trust-item {
  min-height: 132px;
  padding: 28px;
  border-left: 1px solid var(--seo-line);
}

.seo-trust-item:last-child {
  border-right: 1px solid var(--seo-line);
}

.seo-trust-item span {
  display: block;
  margin-bottom: 9px;
  color: var(--seo-blue);
  font: 700 0.72rem "IBM Plex Mono", monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.seo-trust-item strong {
  display: block;
  color: #eef2f7;
  font-size: 1rem;
  line-height: 1.45;
}

.seo-section {
  padding: clamp(68px, 8vw, 112px) 0;
  border-bottom: 1px solid var(--seo-line);
}

.seo-section-soft {
  background: rgba(13, 17, 23, 0.72);
}

.seo-section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(300px, 0.6fr);
  gap: 42px;
  align-items: end;
  margin-bottom: 46px;
}

.seo-section-head h2,
.seo-article h2 {
  margin: 0;
  color: #f8fafc;
  font-size: clamp(2rem, 4vw, 3.65rem);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

.seo-section-head p {
  margin: 0;
  color: var(--seo-copy);
  font-size: 1.02rem;
  line-height: 1.7;
}

.seo-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.seo-card {
  min-height: 250px;
  border: 1px solid var(--seo-line);
  border-radius: 22px;
  background: var(--seo-surface);
  padding: 25px;
}

a.seo-card {
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

a.seo-card:hover,
a.seo-card:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(97, 214, 184, 0.42);
  background: var(--seo-surface-strong);
}

.seo-card-label {
  display: block;
  margin-bottom: 32px;
  color: var(--seo-green);
  font: 700 0.72rem "IBM Plex Mono", monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.seo-card h3 {
  margin: 0;
  color: #f1f5f9;
  font-size: 1.28rem;
  line-height: 1.28;
}

.seo-card p {
  margin: 14px 0 0;
  color: #9da8b7;
  line-height: 1.65;
}

.seo-card-link {
  display: inline-block;
  margin-top: 20px;
  color: var(--seo-blue);
  font-weight: 800;
}

.seo-content-layout {
  display: grid;
  grid-template-columns: minmax(0, 760px) minmax(240px, 320px);
  gap: clamp(42px, 7vw, 92px);
  justify-content: space-between;
  align-items: start;
}

.seo-article {
  min-width: 0;
}

.seo-article > *:first-child {
  margin-top: 0;
}

.seo-article h2 {
  margin-top: 74px;
  margin-bottom: 24px;
  font-size: clamp(1.8rem, 3.2vw, 2.85rem);
}

.seo-article h3 {
  margin: 42px 0 16px;
  color: #eef2f7;
  font-size: 1.34rem;
  line-height: 1.3;
}

.seo-article p,
.seo-article li {
  color: var(--seo-copy);
  font-size: 1.01rem;
  line-height: 1.82;
}

.seo-article p {
  margin: 0 0 22px;
}

.seo-article ul,
.seo-article ol {
  display: grid;
  gap: 11px;
  margin: 18px 0 28px;
  padding-left: 24px;
}

.seo-article li::marker {
  color: var(--seo-green);
  font-family: "IBM Plex Mono", monospace;
  font-weight: 800;
}

.seo-article strong {
  color: #edf2f8;
}

.seo-article a:not(.button) {
  color: #8fbdff;
  text-decoration: underline;
  text-decoration-color: rgba(143, 189, 255, 0.35);
  text-underline-offset: 4px;
}

.seo-article a:not(.button):hover,
.seo-article a:not(.button):focus-visible {
  color: var(--seo-green);
  text-decoration-color: currentColor;
}

.seo-intro {
  margin-bottom: 38px;
  border-left: 2px solid var(--seo-green);
  padding-left: 22px;
  color: #d2d9e3;
  font-size: 1.12rem;
  line-height: 1.75;
}

.seo-callout {
  margin: 34px 0;
  border: 1px solid rgba(103, 169, 255, 0.28);
  border-radius: 20px;
  background: linear-gradient(145deg, rgba(103, 169, 255, 0.09), rgba(97, 214, 184, 0.045));
  padding: 24px;
}

.seo-callout strong {
  display: block;
  margin-bottom: 9px;
  color: #f5f8fc;
  font-size: 1.12rem;
}

.seo-callout p:last-child {
  margin-bottom: 0;
}

.seo-checklist {
  margin: 28px 0;
  padding: 0;
  list-style: none;
  counter-reset: seo-check;
}

.seo-checklist li {
  position: relative;
  min-height: 58px;
  margin: 0;
  border-bottom: 1px solid var(--seo-line);
  padding: 16px 0 16px 48px;
  counter-increment: seo-check;
}

.seo-checklist li::before {
  position: absolute;
  top: 15px;
  left: 0;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(103, 169, 255, 0.32);
  border-radius: 9px;
  color: var(--seo-blue);
  content: counter(seo-check, decimal-leading-zero);
  font: 700 0.68rem "IBM Plex Mono", monospace;
}

.seo-compare {
  width: 100%;
  margin: 30px 0 36px;
  border: 1px solid var(--seo-line);
  border-radius: 20px;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
  background: rgba(11, 15, 23, 0.82);
}

.seo-compare th,
.seo-compare td {
  padding: 16px 18px;
  border-right: 1px solid var(--seo-line);
  border-bottom: 1px solid var(--seo-line);
  color: var(--seo-copy);
  text-align: left;
  vertical-align: top;
  line-height: 1.55;
}

.seo-compare th {
  background: rgba(103, 169, 255, 0.08);
  color: #f4f7fb;
  font-size: 0.9rem;
}

.seo-compare tr:last-child td {
  border-bottom: 0;
}

.seo-compare th:last-child,
.seo-compare td:last-child {
  border-right: 0;
}

.seo-toc {
  position: sticky;
  top: 102px;
  border: 1px solid var(--seo-line);
  border-radius: 20px;
  background: rgba(12, 16, 24, 0.92);
  padding: 22px;
}

.seo-toc strong {
  display: block;
  margin-bottom: 14px;
  color: #f3f6fa;
  font-size: 0.92rem;
}

.seo-toc ol {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: seo-toc;
}

.seo-toc li {
  counter-increment: seo-toc;
}

.seo-toc a {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 8px;
  color: #98a4b4;
  font-size: 0.88rem;
  line-height: 1.45;
  transition: color 160ms ease;
}

.seo-toc a::before {
  color: rgba(103, 169, 255, 0.72);
  content: counter(seo-toc, decimal-leading-zero);
  font: 700 0.68rem/1.8 "IBM Plex Mono", monospace;
}

.seo-toc a:hover,
.seo-toc a:focus-visible {
  color: var(--seo-green);
}

.seo-side-links {
  display: grid;
  gap: 10px;
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--seo-line);
}

.seo-side-links a {
  color: #d5dce6;
  font-size: 0.88rem;
  font-weight: 700;
}

.seo-side-links a:hover,
.seo-side-links a:focus-visible {
  color: var(--seo-green);
}

.seo-cta {
  position: relative;
  overflow: hidden;
  padding: clamp(70px, 9vw, 116px) 0;
  border-bottom: 1px solid var(--seo-line);
  background:
    radial-gradient(circle at 78% 50%, rgba(103, 169, 255, 0.19), transparent 30rem),
    #090c12;
}

.seo-cta-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 40px;
  align-items: end;
}

.seo-cta h2 {
  max-width: 840px;
  margin: 0;
  color: #f8fafc;
  font-size: clamp(2.2rem, 5vw, 4.7rem);
  line-height: 0.98;
  letter-spacing: -0.05em;
  text-wrap: balance;
}

.seo-cta p {
  max-width: 700px;
  margin: 22px 0 0;
  color: var(--seo-copy);
  font-size: 1.05rem;
  line-height: 1.7;
}

.seo-cta-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 26px;
}

.seo-related {
  padding-top: 0;
}

.seo-reading-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.seo-reading-meta span {
  border: 1px solid var(--seo-line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.025);
  color: #9ca8b8;
  padding: 7px 11px;
  font: 700 0.72rem "IBM Plex Mono", monospace;
}

@media (max-width: 940px) {
  .seo-hero-grid,
  .seo-section-head,
  .seo-content-layout,
  .seo-cta-inner {
    grid-template-columns: 1fr;
  }

  .seo-hero-panel {
    min-height: 330px;
  }

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

  .seo-toc {
    position: static;
    order: -1;
  }

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

  .seo-trust-item,
  .seo-trust-item:last-child {
    min-height: auto;
    border-right: 1px solid var(--seo-line);
    border-bottom: 1px solid var(--seo-line);
  }

  .seo-trust-item:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 640px) {
  .seo-hero {
    padding-top: 46px;
  }

  .seo-hero h1 {
    font-size: clamp(2.45rem, 13vw, 4rem);
  }

  .seo-hero-panel {
    min-height: 310px;
    border-radius: 22px;
    padding: 22px;
  }

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

  .seo-card {
    min-height: auto;
  }

  .seo-actions,
  .seo-actions .button,
  .seo-cta-links,
  .seo-cta-links .button {
    width: 100%;
  }

  .seo-compare {
    display: block;
    overflow-x: auto;
  }

  .seo-compare th,
  .seo-compare td {
    min-width: 180px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .seo-page *,
  .seo-page *::before,
  .seo-page *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}