/* ════════════════════════════════════════════════════════════════════
   TapLoop Arcade SEO article pages.
   Wide-screen editorial layout: full-width hero with split text/visual,
   3-column card grid for the guides index, two-column body with a
   sticky table-of-contents sidebar for individual guides.
   ════════════════════════════════════════════════════════════════════ */

:root {
  color: #0f1f24;
  background: #f7f9fa;
  font-family: "Inter", "SF Pro Text", ui-sans-serif, system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;

  --color-text: #0f1f24;
  --color-text-soft: #2f3d46;
  --color-muted: #5d6f7a;
  --color-soft: #8a99a5;
  --color-accent: #167267;
  --color-accent-strong: #0e5a52;
  --color-accent-soft: rgba(22, 114, 103, 0.08);
  --color-accent-line: rgba(22, 114, 103, 0.18);
  --color-line: #e4eaee;
  --color-line-soft: #eef2f5;
  --color-bg: #f7f9fa;
  --color-bg-soft: #eef3f5;
  --color-panel: #ffffff;
  --color-tip: #a37223;
  --color-warn: #b54a3b;

  /* Layout axis. 1200px is the standard main-site content width; on a
     1440px viewport this leaves a comfortable ~120px side gutter, and on
     1920px displays the page never sprawls wider than comfortable. */
  --content-max: 1200px;
  --content-pad: 40px;
  --hero-rail: 380px;
}

* {
  box-sizing: border-box;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-feature-settings: "ss01", "cv11";
}

a {
  color: inherit;
}

/* ──────────────────────────────────────────────────────────────────
   Page shell.
   ────────────────────────────────────────────────────────────────── */

.seo-page {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 28px var(--content-pad) 80px;
}

@media (max-width: 720px) {
  .seo-page {
    padding: 18px 20px 64px;
  }
  :root {
    --content-pad: 20px;
  }
}

/* ──────────────────────────────────────────────────────────────────
   Header — brand + breadcrumb.
   ────────────────────────────────────────────────────────────────── */

.seo-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text);
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: -0.005em;
  text-decoration: none;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: linear-gradient(155deg, #167267 0%, #0e5a52 100%);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: -0.02em;
  box-shadow: 0 1px 0 rgba(15, 31, 36, 0.06);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--color-soft);
  font-size: 0.88rem;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--color-accent);
  text-decoration: none;
}

.breadcrumb a:hover,
.breadcrumb a:focus {
  text-decoration: underline;
}

.breadcrumb span[aria-hidden="true"] {
  color: #c5d0d8;
  font-weight: 500;
}

.breadcrumb [aria-current="page"] {
  color: var(--color-muted);
  font-weight: 500;
  max-width: 60ch;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ──────────────────────────────────────────────────────────────────
   Hero — wide split layout. Text on the left, real game cover on right.
   ────────────────────────────────────────────────────────────────── */

.seo-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 56px;
  align-items: center;
  margin: 36px 0 0;
  padding: 56px 56px;
  background: linear-gradient(155deg, #ffffff 0%, #f1faf7 100%);
  border: 1px solid var(--color-line);
  border-radius: 20px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 1px 0 rgba(15, 31, 36, 0.02);
}

.seo-hero::before {
  content: "";
  position: absolute;
  top: -180px;
  right: -180px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle at center, var(--color-accent-soft), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.seo-hero > * {
  position: relative;
  z-index: 1;
}

.seo-hero-copy {
  min-width: 0;
}

.seo-hero-art {
  position: relative;
  display: block;
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 1200 / 630;
  box-shadow: 0 24px 48px rgba(15, 31, 36, 0.14), 0 2px 4px rgba(15, 31, 36, 0.06);
  text-decoration: none;
  transform: translateZ(0);
  transition: transform 240ms cubic-bezier(0.16, 1, 0.3, 1), box-shadow 240ms cubic-bezier(0.16, 1, 0.3, 1);
  min-width: 0;
  max-width: 100%;
}

.seo-hero-art img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: fill;
  object-position: left center;
}

.seo-hero-art-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(15, 31, 36, 0.55) 100%);
  pointer-events: none;
  transition: opacity 240ms cubic-bezier(0.16, 1, 0.3, 1);
}

.seo-hero-art-cta {
  position: absolute;
  right: 18px;
  bottom: 18px;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.96);
  color: var(--color-accent-strong);
  font-weight: 600;
  font-size: 0.86rem;
  letter-spacing: -0.005em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 6px 18px rgba(15, 31, 36, 0.18);
  transition: transform 200ms cubic-bezier(0.16, 1, 0.3, 1);
}

.seo-hero-art:hover,
.seo-hero-art:focus {
  transform: translateY(-3px);
  box-shadow: 0 30px 60px rgba(15, 31, 36, 0.18), 0 2px 4px rgba(15, 31, 36, 0.06);
}

.seo-hero-art:hover .seo-hero-art-cta,
.seo-hero-art:focus .seo-hero-art-cta {
  transform: translateX(2px);
}

@media (max-width: 960px) {
  .seo-hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 36px;
    padding: 36px 28px;
  }
  .seo-hero::before {
    display: none;
  }
  .seo-hero-art {
    aspect-ratio: 1200 / 700;
  }
}

.eyebrow {
  display: inline-block;
  margin: 0 0 18px;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--color-accent-soft);
  color: var(--color-accent-strong);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.seo-hero h1 {
  margin: 0 0 18px;
  font-size: clamp(1.7rem, 2.6vw, 2.25rem);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.022em;
  color: var(--color-text);
}

.seo-hero .lede {
  max-width: 520px;
  margin: 0 0 24px;
  color: var(--color-muted);
  font-size: 1rem;
  line-height: 1.6;
}

.guides-index-hero h1 {
  margin: 0 0 16px;
  font-size: clamp(1.7rem, 2.6vw, 2.25rem);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.022em;
  color: var(--color-text);
}

.guides-index-hero .lede {
  max-width: 520px;
  margin: 0 0 24px;
  color: var(--color-muted);
  font-size: 1rem;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  align-items: stretch;
  gap: 0;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.hero-stats li {
  flex: 1 1 0;
  margin: 0;
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-right: 1px solid var(--color-line-soft);
  min-width: 0;
}

.hero-stats li:last-child {
  border-right: none;
}

.hero-stats strong {
  display: block;
  color: var(--color-text);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
}

.hero-stats span {
  display: block;
  color: var(--color-muted);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.005em;
  line-height: 1.3;
}

@media (max-width: 720px) {
  .hero-stats {
    margin-top: 24px;
  }
  .hero-stats li {
    padding: 12px 12px;
  }
  .hero-stats strong {
    font-size: 1.15rem;
  }
  .hero-stats span {
    font-size: 0.72rem;
  }
}

.hero-visual {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  position: relative;
}

.hero-visual .visual-card {
  aspect-ratio: 4 / 3;
  border-radius: 14px;
  border: 1px solid var(--color-line);
  background: #fff;
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: stretch;
  justify-content: stretch;
  box-shadow: 0 12px 24px rgba(15, 31, 36, 0.05);
  transition: transform 200ms cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-visual .visual-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero-visual .visual-card:nth-child(2) {
  transform: translateY(18px);
}

.hero-visual .visual-card:nth-child(5) {
  transform: translateY(-14px);
}

@media (max-width: 960px) {
  .hero-visual .visual-card:nth-child(2),
  .hero-visual .visual-card:nth-child(5) {
    transform: none;
  }
}

.hero-visual .visual-card .visual-tile {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  text-align: center;
  padding: 14px;
  background:
    linear-gradient(155deg, color-mix(in srgb, var(--accent, var(--color-accent)) 70%, white 10%) 0%, var(--accent, var(--color-accent)) 100%);
}

@media (max-width: 720px) {
  .hero-visual {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  padding: 0 22px;
  border-radius: 10px;
  background: var(--color-accent);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.96rem;
  text-decoration: none;
  letter-spacing: -0.005em;
  transition: background 180ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 180ms cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 180ms cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 1px 0 rgba(15, 31, 36, 0.06);
  border: 0;
  cursor: pointer;
}

.primary:hover,
.primary:focus {
  background: var(--color-accent-strong);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(22, 114, 103, 0.22);
  color: #ffffff;
}

.primary .arrow {
  display: inline-block;
  transition: transform 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

.primary:hover .arrow {
  transform: translateX(2px);
}

.secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  padding: 0 20px;
  border-radius: 10px;
  background: transparent;
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.96rem;
  text-decoration: none;
  letter-spacing: -0.005em;
  border: 1px solid var(--color-line);
  transition: border-color 180ms, background 180ms, color 180ms;
}

.secondary:hover,
.secondary:focus {
  border-color: var(--color-accent);
  color: var(--color-accent-strong);
  background: var(--color-accent-soft);
}

/* ──────────────────────────────────────────────────────────────────
   Highlights grid (compact feature strip on the article page).
   ────────────────────────────────────────────────────────────────── */

.seo-highlights {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 32px 0 0;
}

.seo-highlights article {
  padding: 18px 18px;
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  border-radius: 12px;
  transition: border-color 200ms, transform 200ms;
}

.seo-highlights article:hover {
  border-color: var(--color-accent-line);
  transform: translateY(-1px);
}

.seo-highlights strong {
  display: block;
  color: var(--color-text);
  font-size: 0.94rem;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -0.005em;
}

.seo-highlights span {
  display: block;
  margin-top: 6px;
  color: var(--color-muted);
  font-size: 0.83rem;
  line-height: 1.5;
  font-weight: 400;
}

@media (max-width: 960px) {
  .seo-highlights {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .seo-highlights {
    grid-template-columns: 1fr;
  }
}

/* ──────────────────────────────────────────────────────────────────
   Article body — wide article column with a sticky aside on the right.
   ────────────────────────────────────────────────────────────────── */

.seo-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 48px;
  margin-top: 40px;
  align-items: start;
}

.seo-article {
  margin: 0;
  width: 100%;
  padding: 48px 56px;
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  border-radius: 18px;
  color: var(--color-text);
  font-size: 1.05rem;
  line-height: 1.74;
  box-shadow: 0 1px 0 rgba(15, 31, 36, 0.02);
}

.seo-side {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: sticky;
  top: 24px;
  align-self: start;
}

@media (max-width: 1024px) {
  .seo-body {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }
  .seo-side {
    position: static;
  }
}

@media (max-width: 720px) {
  .seo-article {
    padding: 28px 24px;
    border-radius: 14px;
  }
}

.seo-article > * + * {
  margin-top: 1.2em;
}

.seo-h2 {
  margin: 1.8em 0 0.55em;
  font-size: 1.65rem;
  font-weight: 700;
  line-height: 1.24;
  letter-spacing: -0.014em;
  color: var(--color-text);
  scroll-margin-top: 24px;
}

.seo-h2:first-child {
  margin-top: 0;
}

.seo-h3 {
  margin: 1.6em 0 0.4em;
  font-size: 1.18rem;
  font-weight: 600;
  line-height: 1.38;
  letter-spacing: -0.008em;
  color: var(--color-text);
}

.seo-p {
  margin: 0;
  color: var(--color-text-soft);
  font-size: 1.06rem;
  line-height: 1.74;
}

.seo-p a {
  color: var(--color-accent-strong);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  text-decoration-color: var(--color-accent-line);
}

.seo-p a:hover {
  text-decoration-color: var(--color-accent);
}

.seo-ul,
.seo-ol {
  margin: 0;
  padding-left: 1.4em;
  color: var(--color-text-soft);
}

.seo-ul li,
.seo-ol li {
  margin: 0.55em 0;
  color: var(--color-text-soft);
  line-height: 1.7;
}

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

/* ──────────────────────────────────────────────────────────────────
   TOC — sticky right sidebar on desktop, collapsible block on mobile.
   ────────────────────────────────────────────────────────────────── */

.seo-toc {
  padding: 20px 18px;
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  border-radius: 12px;
  font-size: 0.86rem;
}

.seo-toc h2 {
  margin: 0 0 12px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-soft);
}

.seo-toc ol {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: toc-counter;
}

.seo-toc li {
  counter-increment: toc-counter;
  margin: 0;
}

.seo-toc a {
  display: block;
  padding: 7px 9px;
  border-radius: 6px;
  color: var(--color-muted);
  text-decoration: none;
  line-height: 1.42;
  border-left: 2px solid transparent;
  transition: color 160ms, background 160ms, border-color 160ms;
}

.seo-toc a::before {
  content: counter(toc-counter, decimal-leading-zero) " ";
  color: var(--color-soft);
  font-variant-numeric: tabular-nums;
  margin-right: 4px;
}

.seo-toc a:hover,
.seo-toc a:focus {
  background: var(--color-accent-soft);
  color: var(--color-accent-strong);
}

.seo-toc a.is-active {
  color: var(--color-accent-strong);
  background: var(--color-accent-soft);
  border-left-color: var(--color-accent);
  font-weight: 600;
}

.seo-toc-mobile {
  display: none;
  margin: 0 0 18px;
  padding: 14px 16px;
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  border-radius: 10px;
  font-size: 0.9rem;
}

@media (max-width: 1024px) {
  .seo-toc-mobile {
    display: block;
  }
  .seo-toc-desktop {
    display: none;
  }
}

.seo-toc-mobile summary {
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.seo-toc-mobile summary::-webkit-details-marker {
  display: none;
}

.seo-toc-mobile summary::after {
  content: "+";
  color: var(--color-accent);
  font-size: 1.2rem;
  font-weight: 600;
}

.seo-toc-mobile[open] summary::after {
  content: "\2212";
}

.seo-toc-mobile ol {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: toc-m-counter;
}

.seo-toc-mobile li {
  counter-increment: toc-m-counter;
  margin: 0;
}

.seo-toc-mobile a {
  display: block;
  padding: 8px 6px;
  color: var(--color-muted);
  text-decoration: none;
  border-top: 1px solid var(--color-line-soft);
}

.seo-toc-mobile a::before {
  content: counter(toc-m-counter, decimal-leading-zero) " ";
  color: var(--color-soft);
  font-variant-numeric: tabular-nums;
  margin-right: 4px;
}

/* ──────────────────────────────────────────────────────────────────
   Right aside — quick facts / reading time / cta mini block.
   ────────────────────────────────────────────────────────────────── */

.seo-aside {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.seo-aside-card {
  padding: 20px 18px;
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  border-radius: 12px;
  font-size: 0.88rem;
}

.seo-aside-card h3 {
  margin: 0 0 12px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-soft);
}

.seo-aside-card dl {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.seo-aside-card dt {
  color: var(--color-soft);
  font-size: 0.78rem;
  font-weight: 500;
}

.seo-aside-card dd {
  margin: 0 0 2px;
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.92rem;
}

.seo-aside-cta {
  padding: 22px 20px;
  background: linear-gradient(155deg, #0e5a52 0%, #167267 100%);
  color: #ffffff;
  border-radius: 12px;
  position: relative;
  overflow: hidden;
}

.seo-aside-cta::after {
  content: "";
  position: absolute;
  bottom: -40px;
  right: -40px;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.14), transparent 70%);
  pointer-events: none;
}

.seo-aside-cta h3 {
  position: relative;
  margin: 0 0 8px;
  font-size: 1.02rem;
  font-weight: 660;
  letter-spacing: -0.005em;
}

.seo-aside-cta p {
  position: relative;
  margin: 0 0 14px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.86rem;
  line-height: 1.5;
}

.seo-aside-cta .primary {
  position: relative;
  background: #ffffff;
  color: var(--color-accent-strong);
  width: 100%;
  justify-content: center;
  box-shadow: 0 1px 0 rgba(15, 31, 36, 0.06);
}

.seo-aside-cta .primary:hover {
  background: rgba(255, 255, 255, 0.94);
  color: var(--color-accent-strong);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.14);
}

/* ──────────────────────────────────────────────────────────────────
   Callout (info / tip / warn).
   ────────────────────────────────────────────────────────────────── */

.seo-callout {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin: 1.6em 0;
  padding: 16px 20px;
  border-radius: 10px;
  border-left: 3px solid var(--color-accent);
  background: var(--color-accent-soft);
  color: #1f3540;
  font-size: 1rem;
  line-height: 1.65;
}

.seo-callout strong {
  flex-shrink: 0;
  color: var(--color-accent-strong);
  font-weight: 700;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding-top: 3px;
}

.seo-callout span {
  flex: 1;
  min-width: 0;
}

.seo-callout-tip {
  border-left-color: var(--color-tip);
  background: rgba(211, 157, 73, 0.08);
}

.seo-callout-tip strong {
  color: var(--color-tip);
}

.seo-callout-warn {
  border-left-color: var(--color-warn);
  background: rgba(181, 74, 59, 0.06);
}

.seo-callout-warn strong {
  color: var(--color-warn);
}

/* ──────────────────────────────────────────────────────────────────
   Table — Stripe/Linear comparison style. First column bolded,
   zebra rows, hover highlight, sticky header, horizontal scroll.
   ────────────────────────────────────────────────────────────────── */

.seo-table-wrap {
  margin: 1.6em 0;
  overflow-x: auto;
  border-radius: 12px;
  border: 1px solid var(--color-line);
  background: var(--color-panel);
  -webkit-overflow-scrolling: touch;
  max-width: 100%;
}

.seo-table {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
  background: #ffffff;
  font-size: 0.93rem;
  table-layout: auto;
}

.seo-table thead th {
  background: #f3f7f8;
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 13px 16px;
  text-align: left;
  border-bottom: 1px solid var(--color-line);
  position: sticky;
  top: 0;
  z-index: 1;
  white-space: nowrap;
}

.seo-table tbody td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-line-soft);
  color: var(--color-text-soft);
  vertical-align: top;
  line-height: 1.55;
  word-break: break-word;
  overflow-wrap: anywhere;
  hyphens: auto;
}

.seo-table tbody tr:last-child td {
  border-bottom: none;
}

.seo-table tbody tr:nth-child(even) td {
  background: #fafcfd;
}

.seo-table tbody tr:hover td {
  background: var(--color-accent-soft);
}

.seo-table td:first-child,
.seo-table th:first-child {
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
}

.seo-table tbody td:not(:first-child) {
  color: var(--color-muted);
  font-weight: 500;
}

/* ──────────────────────────────────────────────────────────────────
   Code / quote.
   ────────────────────────────────────────────────────────────────── */

.seo-code {
  margin: 1.2em 0;
  padding: 14px 16px;
  background: #0f1f24;
  color: #d6efe9;
  border-radius: 8px;
  overflow-x: auto;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.85rem;
  line-height: 1.55;
}

.seo-quote {
  margin: 1.4em 0;
  padding: 6px 0 6px 18px;
  border-left: 3px solid var(--color-accent);
  color: var(--color-muted);
  font-style: italic;
  font-size: 1.02rem;
}

.seo-quote p {
  margin: 0;
}

/* ──────────────────────────────────────────────────────────────────
   Use cases / "Who is this for" panel.
   ────────────────────────────────────────────────────────────────── */

.seo-block {
  margin: 24px 0 0;
  padding: 32px 36px;
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  border-radius: 16px;
}

@media (max-width: 720px) {
  .seo-block {
    padding: 22px 20px;
    border-radius: 12px;
  }
}

.seo-block h2 {
  margin: 0 0 16px;
  font-size: 1.2rem;
  font-weight: 660;
  letter-spacing: -0.008em;
  color: var(--color-text);
}

.seo-block ul,
.seo-block ol {
  margin: 0;
  padding-left: 1.2em;
  color: var(--color-text-soft);
}

.seo-block li {
  margin: 0.5em 0;
  line-height: 1.65;
}

.seo-block .columns-2 {
  columns: 2;
  column-gap: 36px;
}

@media (max-width: 720px) {
  .seo-block .columns-2 {
    columns: 1;
  }
}

/* ──────────────────────────────────────────────────────────────────
   FAQ — native <details>.
   ────────────────────────────────────────────────────────────────── */

.seo-faq {
  margin: 24px 0 0;
  padding: 32px 36px;
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  border-radius: 16px;
}

@media (max-width: 720px) {
  .seo-faq {
    padding: 22px 20px;
    border-radius: 12px;
  }
}

.seo-faq h2 {
  margin: 0 0 6px;
  font-size: 1.2rem;
  font-weight: 660;
  letter-spacing: -0.008em;
  color: var(--color-text);
}

.seo-faq > p {
  margin: 0 0 16px;
  color: var(--color-muted);
  font-size: 0.92rem;
}

.seo-faq details {
  border-top: 1px solid var(--color-line);
  padding: 16px 0;
}

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

.seo-faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--color-text);
  font-size: 1rem;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 2px 0;
  letter-spacing: -0.005em;
}

.seo-faq summary::-webkit-details-marker {
  display: none;
}

.seo-faq summary::after {
  content: "+";
  color: var(--color-accent-strong);
  font-size: 1.3rem;
  line-height: 1;
  font-weight: 500;
  flex-shrink: 0;
  transition: transform 200ms cubic-bezier(0.16, 1, 0.3, 1);
}

.seo-faq details[open] summary::after {
  content: "\2212";
}

.seo-faq details[open] summary {
  margin-bottom: 12px;
}

.seo-faq details p {
  margin: 0;
  color: var(--color-muted);
  line-height: 1.7;
  font-size: 0.97rem;
}

/* ──────────────────────────────────────────────────────────────────
   Related reading.
   ────────────────────────────────────────────────────────────────── */

.seo-related {
  margin: 24px 0 0;
  padding: 32px 36px;
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  border-radius: 16px;
}

@media (max-width: 720px) {
  .seo-related {
    padding: 22px 20px;
    border-radius: 12px;
  }
}

.seo-related h2 {
  margin: 0 0 6px;
  font-size: 1.2rem;
  font-weight: 660;
  letter-spacing: -0.008em;
  color: var(--color-text);
}

.seo-related > p {
  margin: 0 0 18px;
  color: var(--color-muted);
  font-size: 0.92rem;
}

.seo-related ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

@media (max-width: 960px) {
  .seo-related ul {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .seo-related ul {
    grid-template-columns: 1fr;
  }
}

.seo-related li {
  margin: 0;
  padding: 0;
}

.seo-related a {
  display: block;
  padding: 16px 18px;
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: 10px;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.94rem;
  line-height: 1.42;
  letter-spacing: -0.005em;
  transition: border-color 160ms, color 160ms, background 160ms, transform 160ms;
}

.seo-related a:hover,
.seo-related a:focus {
  border-color: var(--color-accent);
  color: var(--color-accent-strong);
  background: var(--color-accent-soft);
  transform: translateY(-1px);
}

/* ──────────────────────────────────────────────────────────────────
   Final CTA.
   ────────────────────────────────────────────────────────────────── */

.seo-cta-final {
  margin: 40px 0 0;
  padding: 56px 56px 50px;
  background: linear-gradient(155deg, #0e5a52 0%, #167267 100%);
  color: #ffffff;
  border-radius: 20px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 18px 40px rgba(22, 114, 103, 0.22);
}

.seo-cta-final::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -80px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.14), transparent 70%);
  pointer-events: none;
}

.seo-cta-final::after {
  content: "";
  position: absolute;
  bottom: -120px;
  left: -80px;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.10), transparent 70%);
  pointer-events: none;
}

.seo-cta-final > * {
  position: relative;
}

.seo-cta-final h2 {
  margin: 0 0 12px;
  font-size: clamp(1.55rem, 2.8vw, 2.05rem);
  font-weight: 700;
  letter-spacing: -0.016em;
  color: #ffffff;
  line-height: 1.22;
}

.seo-cta-final p {
  max-width: 540px;
  margin: 0 auto 26px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 1.05rem;
  line-height: 1.6;
}

.seo-cta-final .primary {
  background: #ffffff;
  color: var(--color-accent-strong);
  box-shadow: 0 1px 0 rgba(15, 31, 36, 0.06);
}

.seo-cta-final .primary:hover,
.seo-cta-final .primary:focus {
  background: rgba(255, 255, 255, 0.94);
  color: var(--color-accent-strong);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.18);
}

@media (max-width: 720px) {
  .seo-cta-final {
    padding: 40px 24px 36px;
    border-radius: 16px;
  }
}

/* ──────────────────────────────────────────────────────────────────
   Footer.
   ────────────────────────────────────────────────────────────────── */

.seo-footer {
  margin: 56px 0 0;
  padding: 24px 0 0;
  border-top: 1px solid var(--color-line);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--color-soft);
  font-size: 0.88rem;
}

.seo-footer p {
  margin: 0;
}

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

.seo-footer a:hover,
.seo-footer a:focus {
  color: var(--color-accent-strong);
  text-decoration: underline;
}

.seo-footer nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

/* ──────────────────────────────────────────────────────────────────
   Guides index page — 3-column visual card grid for /guides.
   ────────────────────────────────────────────────────────────────── */

.guides-index-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
  margin: 36px 0 0;
  padding: 48px 48px;
  background: linear-gradient(155deg, #ffffff 0%, #f1faf7 100%);
  border: 1px solid var(--color-line);
  border-radius: 20px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 1px 0 rgba(15, 31, 36, 0.02);
}

.guides-index-hero-copy {
  min-width: 0;
  max-width: 100%;
  overflow: hidden;
}

.guides-index-hero h1,
.guides-index-hero .lede {
  max-width: 100%;
  overflow-wrap: break-word;
  word-break: break-word;
}

.guides-index-hero h1 {
  max-width: 30ch;
}

.guides-index-hero::before {
  content: "";
  position: absolute;
  top: -200px;
  right: -200px;
  width: 460px;
  height: 460px;
  background: radial-gradient(circle at center, var(--color-accent-soft), transparent 70%);
  pointer-events: none;
}

.guides-index-hero > * {
  position: relative;
  z-index: 1;
}

@media (max-width: 960px) {
  .guides-index-hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
    padding: 32px 24px;
  }
  .guides-index-hero::before {
    display: none;
  }
}

.guides-index-mosaic {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-rows: repeat(2, minmax(0, 1fr));
  gap: 10px;
  aspect-ratio: 1.6 / 1;
  position: relative;
}

.guides-index-mosaic .mosaic-tile {
  position: relative;
  display: block;
  border-radius: 12px;
  border: 1px solid var(--color-line);
  overflow: hidden;
  text-decoration: none;
  color: #fff;
  background: #fff;
  box-shadow: 0 8px 18px rgba(15, 31, 36, 0.06);
  transition: transform 240ms cubic-bezier(0.16, 1, 0.3, 1), box-shadow 240ms cubic-bezier(0.16, 1, 0.3, 1), border-color 240ms cubic-bezier(0.16, 1, 0.3, 1);
  transform: translateZ(0);
  min-width: 0;
  min-height: 0;
}

.guides-index-mosaic .mosaic-tile-img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: fill;
  object-position: left center;
}

.guides-index-mosaic .mosaic-tile-label {
  position: absolute;
  left: 8px;
  bottom: 6px;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(15, 31, 36, 0.62);
  color: #fff;
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: -0.005em;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  max-width: calc(100% - 16px);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.guides-index-mosaic .mosaic-tile:hover,
.guides-index-mosaic .mosaic-tile:focus {
  transform: translateY(-3px);
  border-color: var(--color-accent);
  box-shadow: 0 20px 40px rgba(15, 31, 36, 0.14);
}

@media (max-width: 720px) {
  .guides-index-mosaic {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    aspect-ratio: 1.9 / 1;
    gap: 8px;
  }
  .guides-index-mosaic .mosaic-tile {
    min-height: 0;
  }
}

.guides-grid {
  margin: 36px 0 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

@media (max-width: 1024px) {
  .guides-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .guides-grid {
    grid-template-columns: 1fr;
  }
}

.guide-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 0 0 22px;
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  border-radius: 18px;
  text-decoration: none;
  color: var(--color-text);
  position: relative;
  overflow: hidden;
  transition: border-color 180ms, transform 180ms, box-shadow 180ms;
  box-shadow: 0 1px 0 rgba(15, 31, 36, 0.02);
}

.guide-card .guide-card-art {
  position: relative;
  aspect-ratio: 1200 / 630;
  background: var(--color-line-soft);
  display: block;
  overflow: hidden;
  border-bottom: 1px solid var(--color-line);
  min-width: 0;
  max-width: 100%;
}

.guide-card .guide-card-art img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: fill;
  object-position: left center;
  transition: transform 320ms cubic-bezier(0.16, 1, 0.3, 1);
}

.guide-card:hover .guide-card-art img,
.guide-card:focus .guide-card-art img {
  transform: scale(1.04);
}

.guide-card .guide-card-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 0 24px;
}

.guide-card .guide-card-kicker {
  display: inline-block;
  align-self: flex-start;
  margin: 0;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--color-accent-soft);
  color: var(--color-accent-strong);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.guide-card .guide-card-title {
  font-size: 1.18rem;
  font-weight: 700;
  letter-spacing: -0.012em;
  line-height: 1.3;
  color: var(--color-text);
  margin: 0;
}

.guide-card .guide-card-desc {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

.guide-card .guide-card-bullets {
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.guide-card .guide-card-bullets li {
  position: relative;
  padding-left: 16px;
  color: var(--color-muted);
  font-size: 0.86rem;
  line-height: 1.5;
}

.guide-card .guide-card-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}

.guide-card .guide-card-cta {
  margin-top: 8px;
  color: var(--color-accent-strong);
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: -0.005em;
}

.guide-card:hover,
.guide-card:focus {
  border-color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: 0 16px 36px rgba(15, 31, 36, 0.08);
}

/* ──────────────────────────────────────────────────────────────────
   Mobile refinements.
   ────────────────────────────────────────────────────────────────── */

@media (max-width: 720px) {
  .seo-h2 {
    font-size: 1.4rem;
    line-height: 1.3;
  }
  .seo-h3 {
    font-size: 1.1rem;
  }
  .seo-callout {
    flex-direction: column;
    gap: 6px;
    padding: 14px 18px;
  }
  .seo-table thead th,
  .seo-table tbody td {
    padding: 11px 14px;
  }
  .seo-related a,
  .seo-faq summary,
  .seo-block h2,
  .seo-faq h2 {
    font-size: 0.95rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .seo-faq summary::after,
  .primary,
  .seo-highlights article,
  .seo-related a,
  .guide-card {
    transition: none;
  }
}