/* SEO-лендинг курсовой в песочнице редизайна */

body.seo-page .page-atmosphere__peak {
  opacity: 0.7;
}

.seo-main {
  padding-top: var(--header-h);
}

.seo-hero {
  padding: 40px var(--gutter) 48px;
  max-width: var(--container);
  margin: 0 auto;
}

.seo-hero__grid {
  display: grid;
  gap: 32px;
}

@media (min-width: 960px) {
  .seo-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
    gap: 48px;
    align-items: start;
  }
}

.seo-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
}

.seo-hero h1 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.1rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.seo-hero h1 .highlight {
  color: var(--accent);
}

.seo-lead {
  margin: 0 0 18px;
  max-width: 38rem;
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--muted);
}

.seo-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin: 0 0 22px;
  font-size: 0.9rem;
  color: var(--muted-2);
}

.seo-meta a {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.seo-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
}

.seo-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  font-size: 0.9rem;
  color: var(--muted);
}

.seo-bar strong {
  color: var(--ink);
}

.seo-bar a {
  color: var(--accent);
  font-weight: 600;
}

.seo-flow {
  padding: 22px 22px 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: color-mix(in srgb, var(--surface) 88%, white);
  box-shadow: 0 18px 40px -28px rgba(20, 30, 60, 0.35);
}

.seo-flow__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 750;
  color: var(--ink);
}

.seo-flow__sub {
  margin: 0 0 18px;
  font-size: 0.92rem;
  line-height: 1.45;
  color: var(--muted);
}

.seo-flow__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.seo-flow__item {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 12px;
  align-items: start;
}

.seo-flow__num {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 750;
}

.seo-flow__item strong {
  display: block;
  margin-bottom: 2px;
  font-family: var(--font-display);
  font-size: 0.98rem;
  color: var(--ink);
}

.seo-flow__item span {
  font-size: 0.88rem;
  line-height: 1.4;
  color: var(--muted);
}

.seo-flow__foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
  color: var(--muted-2);
}

.seo-block {
  padding: 48px var(--gutter);
}

.seo-block--alt {
  background: color-mix(in srgb, var(--surface) 70%, transparent);
}

.seo-block__inner {
  max-width: var(--container);
  margin: 0 auto;
}

.seo-block h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 2.6vw, 1.9rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.seo-answer {
  margin: 0 0 24px;
  max-width: 42rem;
  font-size: 1.02rem;
  line-height: 1.55;
  color: var(--muted);
}

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

@media (min-width: 720px) {
  .seo-features {
    grid-template-columns: 1fr 1fr;
  }
}

.seo-feature {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--bg);
}

.seo-feature__icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent);
}

.seo-feature strong {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-display);
  color: var(--ink);
}

.seo-feature p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.45;
  color: var(--muted);
}

.seo-note {
  margin: 20px 0 0;
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--muted-2);
}

.seo-steps {
  margin: 0;
  padding-left: 1.2rem;
  max-width: 44rem;
  display: flex;
  flex-direction: column;
  gap: 12px;
  color: var(--muted);
  line-height: 1.5;
}

.seo-steps a {
  color: var(--accent);
  font-weight: 600;
}

.seo-price-grid {
  display: grid;
  gap: 14px;
  margin-bottom: 18px;
}

@media (min-width: 840px) {
  .seo-price-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.seo-price {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--bg);
}

.seo-price--hit {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
  box-shadow: 0 16px 36px -28px rgba(20, 30, 60, 0.4);
}

.seo-price h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--ink);
}

.seo-price__amount {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--ink);
}

.seo-price__amount span {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--muted);
}

.seo-price ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
  line-height: 1.55;
  font-size: 0.92rem;
}

.seo-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--bg);
}

.seo-compare {
  width: 100%;
  border-collapse: collapse;
  min-width: 520px;
  font-size: 0.92rem;
}

.seo-compare th,
.seo-compare td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  vertical-align: top;
}

.seo-compare th {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--ink);
  background: color-mix(in srgb, var(--surface) 80%, transparent);
}

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

.seo-cta-banner {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
  padding: 24px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--accent) 8%, var(--bg));
}

.seo-cta-banner h2 {
  margin: 0 0 6px;
  font-size: 1.35rem;
}

.seo-cta-banner p {
  margin: 0;
  max-width: 36rem;
  color: var(--muted);
  line-height: 1.45;
}

.seo-sticky {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 40;
  display: flex;
  justify-content: center;
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--line);
}

@media (min-width: 720px) {
  .seo-sticky {
    display: none;
  }
}

body.seo-page .site-footer {
  padding-bottom: 88px;
}

@media (min-width: 720px) {
  body.seo-page .site-footer {
    padding-bottom: 44px;
  }
}

/* Гайд / статья */
.seo-prose {
  max-width: 42rem;
}

.seo-prose p {
  margin: 0 0 1rem;
  font-size: 1.02rem;
  line-height: 1.65;
  color: var(--muted);
}

.seo-prose p strong {
  color: var(--ink);
  font-weight: 650;
}

.seo-prose ul,
.seo-prose ol {
  margin: 0 0 1.15rem;
  padding-left: 1.25rem;
  color: var(--muted);
  line-height: 1.6;
}

.seo-prose li {
  margin-bottom: 0.45rem;
}

.seo-prose li::marker {
  color: var(--accent);
}

.seo-prose a {
  color: var(--accent);
  font-weight: 600;
  text-underline-offset: 3px;
}

.seo-callout {
  margin: 1.25rem 0 1.5rem;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid color-mix(in srgb, var(--accent) 28%, var(--line));
  background: color-mix(in srgb, var(--accent) 8%, var(--surface));
  color: var(--ink);
  font-size: 0.95rem;
  line-height: 1.5;
}

.seo-toc {
  margin: 0 0 1.5rem;
  padding: 16px 18px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 90%, white);
}

.seo-toc__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 750;
  color: var(--ink);
}

.seo-toc ol {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--muted);
  line-height: 1.55;
}

.seo-toc a {
  color: var(--ink);
  text-decoration: none;
  font-weight: 550;
}

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