:root {
  color-scheme: dark;
}

html[data-color-mode="light"] {
  color-scheme: light;
}

body.seo-page {
  min-width: 320px;
  margin: 0;
  background:
    radial-gradient(circle at 80% 8%, var(--accent-dim), transparent 30rem),
    radial-gradient(circle at 8% 38%, var(--cyan-dim), transparent 28rem),
    var(--bg);
  color: var(--text);
  font-family: var(--font);
}

.seo-shell {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
}

.seo-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .3;
  background-image:
    linear-gradient(color-mix(in srgb, var(--text) 4%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--text) 4%, transparent) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, #000, transparent 70%);
}

.seo-header {
  position: relative;
  z-index: 2;
  display: flex;
  width: min(1180px, calc(100% - 48px));
  min-height: 82px;
  margin: 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  border-bottom: 1px solid var(--line);
}

.seo-brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 13px;
  color: var(--text);
  text-decoration: none;
}

.seo-brand img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.seo-brand span {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.seo-brand strong {
  font-size: 15px;
  letter-spacing: .04em;
}

.seo-brand small {
  color: var(--muted-2);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: .18em;
}

.seo-nav {
  display: flex;
  align-items: center;
  gap: clamp(13px, 2vw, 28px);
}

.seo-nav a {
  color: var(--muted);
  font-size: 12px;
  text-decoration: none;
  white-space: nowrap;
  transition: color .2s ease;
}

.seo-nav a:hover,
.seo-nav a[aria-current="page"] {
  color: var(--accent);
}

.seo-login {
  flex: 0 0 auto;
  padding: 10px 16px;
  border: 1px solid color-mix(in srgb, var(--accent) 42%, var(--line));
  background: color-mix(in srgb, var(--accent-dim) 72%, transparent);
  color: var(--accent);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .1em;
  text-decoration: none;
}

.seo-main {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: clamp(58px, 9vw, 112px) 0 80px;
}

.seo-hero {
  max-width: 810px;
}

.seo-kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .16em;
}

.seo-kicker::before {
  width: 28px;
  height: 1px;
  content: "";
  background: var(--accent);
}

.seo-hero h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(38px, 6vw, 70px);
  font-weight: 750;
  letter-spacing: -.045em;
  line-height: 1.1;
}

.seo-hero h1 em {
  color: var(--accent);
  font-style: normal;
}

.seo-lead {
  max-width: 720px;
  margin: 25px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}

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

.seo-button {
  display: inline-flex;
  min-height: 43px;
  padding: 0 18px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-strong);
  color: var(--text);
  font-size: 12px;
  text-decoration: none;
}

.seo-button.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #111;
  font-weight: 700;
}

.seo-grid {
  display: grid;
  margin-top: 58px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

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

.seo-card,
.seo-section {
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  box-shadow: 0 18px 54px color-mix(in srgb, var(--bg) 68%, transparent);
}

.seo-card {
  padding: 24px;
}

.seo-card-index {
  display: block;
  margin-bottom: 36px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .12em;
}

.seo-card h2,
.seo-card h3 {
  margin: 0 0 12px;
  font-size: 18px;
}

.seo-card p,
.seo-section p,
.seo-section li {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.85;
}

.seo-card p {
  margin: 0;
}

.seo-section {
  margin-top: 22px;
  padding: clamp(24px, 4vw, 40px);
}

.seo-section h2 {
  margin: 0 0 18px;
  font-size: clamp(24px, 3vw, 34px);
  letter-spacing: -.025em;
}

.seo-section h3 {
  margin: 26px 0 8px;
  color: var(--text);
  font-size: 16px;
}

.seo-section p {
  margin: 0 0 16px;
}

.seo-section ul,
.seo-section ol {
  margin: 14px 0 0;
  padding-left: 22px;
}

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

.seo-feature-list {
  display: grid;
  margin: 22px 0 0;
  padding: 0;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  list-style: none;
}

.seo-feature-list li {
  padding: 15px 16px;
  border-left: 2px solid var(--accent);
  background: color-mix(in srgb, var(--accent-dim) 58%, transparent);
}

.seo-price-grid {
  display: grid;
  margin-top: 28px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.seo-price {
  padding: 24px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg-elevated) 78%, transparent);
}

.seo-price.featured {
  border-color: color-mix(in srgb, var(--accent) 52%, var(--line));
  background:
    linear-gradient(135deg, var(--accent-dim), transparent 62%),
    color-mix(in srgb, var(--panel) 92%, transparent);
}

.seo-price small {
  color: var(--muted-2);
  font-family: var(--mono);
  letter-spacing: .08em;
}

.seo-price strong {
  display: block;
  margin: 15px 0 9px;
  color: var(--accent);
  font-size: 28px;
}

.seo-price p {
  margin: 0;
  font-size: 12px;
}

.seo-faq details {
  border-top: 1px solid var(--line);
}

.seo-faq details:last-child {
  border-bottom: 1px solid var(--line);
}

.seo-faq summary {
  padding: 19px 0;
  color: var(--text);
  font-size: 14px;
  font-weight: 650;
  cursor: pointer;
}

.seo-faq details p {
  max-width: 850px;
  margin: 0 0 20px;
}

.seo-steps {
  counter-reset: seo-step;
  display: grid;
  margin: 25px 0 0;
  padding: 0;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  list-style: none;
}

.seo-steps li {
  position: relative;
  min-height: 118px;
  padding: 21px 21px 21px 66px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel) 84%, transparent);
  counter-increment: seo-step;
}

.seo-steps li::before {
  position: absolute;
  top: 19px;
  left: 20px;
  color: var(--accent);
  content: "0" counter(seo-step);
  font-family: var(--mono);
  font-size: 11px;
}

.seo-steps strong {
  display: block;
  margin-bottom: 7px;
  color: var(--text);
  font-size: 14px;
}

.seo-note {
  margin-top: 28px;
  padding: 16px 18px;
  border-left: 2px solid var(--accent);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.8;
}

.seo-footer {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 28px 0 42px;
  border-top: 1px solid var(--line);
  color: var(--muted-2);
  font-size: 11px;
  line-height: 1.8;
}

.seo-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 14px;
}

.seo-footer a {
  color: var(--muted);
  text-decoration: none;
}

.seo-footer a:hover {
  color: var(--accent);
}

@media (max-width: 900px) {
  .seo-header {
    flex-wrap: wrap;
    padding: 18px 0;
  }

  .seo-nav {
    width: 100%;
    order: 3;
    overflow-x: auto;
    padding-bottom: 2px;
  }

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

@media (max-width: 620px) {
  .seo-header,
  .seo-main,
  .seo-footer {
    width: calc(100% - 30px);
  }

  .seo-login {
    padding: 8px 11px;
  }

  .seo-main {
    padding-top: 52px;
  }

  .seo-hero h1 {
    font-size: clamp(34px, 11vw, 50px);
  }

  .seo-grid,
  .seo-grid.two,
  .seo-price-grid,
  .seo-feature-list,
  .seo-steps {
    grid-template-columns: 1fr;
  }
}