/**
 * Single article — premium dark frame (#0C1022).
 * No white canvas, no gradients, no avatar glow.
 * Buttons copy homepage pills: lime #70C500 / blue #007FEF / ghost outline.
 * Fonts: Unbounded 800 headings, Rubik body — same as site, no extra faces.
 */

:root {
  --kz-navy: #0C1022;
  --kz-navy-card: #0E142A;
  --kz-navy-code: #080B18;
  --kz-navy-border: rgba(255, 255, 255, 0.12);
  --kz-blue: #007FEF;
  --kz-lime: #70C500;
  --kz-lime-ink: #1A1A1C;
  --kz-purple: #7B68F5;
  --kz-text: #FFFFFF;
  --kz-text-body: #E2E8F0;
  --kz-text-muted: #94A3B8;
  --kz-font-heading: Unbounded, Rubik, Arial, sans-serif;
  --kz-font-body: Rubik, Arial, sans-serif;
  --kz-font-mono: Consolas, "JetBrains Mono", Menlo, Courier, monospace;
}

html:has(body.kz-single-post),
body.kz-single-post,
body.kz-chrome.kz-single-post,
body.kz-blog.kz-single-post {
  background: var(--kz-navy) !important;
  color: var(--kz-text-body) !important;
  font-family: var(--kz-font-body);
  overflow-x: clip;
  max-width: 100%;
}

body.kz-single-post .kz-single-main,
body.kz-single-post #primary,
body.kz-single-post article.post,
body.kz-single-post article.kz-single-article,
body.kz-single-post .entry-content {
  background: var(--kz-navy) !important;
  color: var(--kz-text-body);
}

.kz-single-main {
  background: var(--kz-navy);
  min-height: 100vh;
  position: relative;
  overflow: clip;
  max-width: 100%;
}

/* Reading progress — solid brand blue, no gradient, no glow */
.kz-reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: transparent;
  z-index: 9999;
  pointer-events: none;
}
.kz-reading-progress-bar {
  height: 100%;
  width: 0%;
  background: var(--kz-blue);
  transition: width 0.08s linear;
}

/* Hero */
.kz-single-hero {
  background: var(--kz-navy);
  color: var(--kz-text);
  padding: 44px 0 56px;
  position: relative;
  border-bottom: 1px solid var(--kz-navy-border);
}

.kz-single-hero__container {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.kz-single-hero__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
}

.kz-single-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none !important;
  font-family: var(--kz-font-body);
  font-size: 15px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 500px;
  background: transparent;
  border: 2px solid rgba(255, 255, 255, 0.22);
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.kz-single-back:hover,
.kz-single-back:focus-visible {
  color: #FFFFFF;
  background: var(--kz-blue);
  border-color: var(--kz-blue);
}
.kz-back-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.kz-single-badges {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.kz-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--kz-font-body);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 500px;
  text-decoration: none !important;
}

.kz-badge--category {
  background: var(--kz-lime);
  color: var(--kz-lime-ink) !important;
}
.kz-badge--category:hover {
  background: var(--kz-lime);
  color: var(--kz-lime-ink) !important;
}

.kz-badge--reading-time {
  background: transparent;
  color: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--kz-navy-border);
}
.kz-badge-icon {
  width: 14px;
  height: 14px;
  color: var(--kz-blue);
}

.kz-single-title {
  font-family: var(--kz-font-heading);
  font-size: clamp(28px, 4.2vw, 46px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: #FFFFFF;
  margin: 0 0 28px;
  max-width: 980px;
}

.kz-single-hero-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  padding-top: 24px;
  border-top: 1px solid var(--kz-navy-border);
}

.kz-hero-author {
  display: flex;
  align-items: center;
  gap: 14px;
}
.kz-hero-author__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--kz-navy-border);
  box-shadow: none;
  filter: none;
}
.kz-hero-author__info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.kz-hero-author__name {
  font-size: 15px;
  font-weight: 700;
  color: #FFFFFF;
}
.kz-hero-author__role {
  font-size: 13px;
  color: var(--kz-text-muted);
}

.kz-hero-dates {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--kz-text-muted);
}
.kz-date-row {
  display: flex;
  align-items: center;
  gap: 6px;
}
.kz-date-label {
  color: rgba(255, 255, 255, 0.45);
}

.kz-single-cover {
  margin-top: 36px;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--kz-navy-border);
  box-shadow: none;
}
.kz-single-cover__frame {
  position: relative;
  background: var(--kz-navy-code);
  aspect-ratio: 16 / 9;
  max-height: 540px;
}
.kz-single-cover__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Content + TOC */
.kz-single-content-wrap {
  background: var(--kz-navy);
  padding: 56px 0 80px;
}

.kz-single-layout {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 48px;
  align-items: start;
}

.kz-single-body-col {
  min-width: 0;
  max-width: 780px;
}

.kz-article-content {
  font-family: var(--kz-font-body);
  font-size: 18px;
  line-height: 1.75;
  color: var(--kz-text-body);
  word-break: break-word;
}

.kz-article-content > h1:first-child {
  display: none;
}

.kz-article-content > *:first-child {
  margin-top: 0 !important;
}

.kz-article-content p {
  margin: 0 0 1.5em;
}

.kz-article-content strong,
.kz-article-content b {
  color: #FFFFFF;
  font-weight: 700;
}

.kz-article-content em,
.kz-article-content i {
  color: var(--kz-text-body);
}

.kz-article-content h2,
.kz-article-content h3,
.kz-article-content h4,
.kz-article-content h5,
.kz-article-content h6 {
  font-family: var(--kz-font-heading);
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.3;
  letter-spacing: -0.015em;
  scroll-margin-top: 96px;
  position: relative;
}

.kz-article-content h2 {
  font-size: clamp(23px, 3vw, 30px);
  margin: 2.2em 0 0.8em;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--kz-navy-border);
}

.kz-article-content h3 {
  font-size: clamp(19px, 2.3vw, 24px);
  margin: 1.8em 0 0.6em;
}

.kz-article-content h4 {
  font-size: 19px;
  margin: 1.5em 0 0.5em;
}

.kz-heading-anchor {
  opacity: 0;
  margin-left: 8px;
  color: var(--kz-blue);
  text-decoration: none !important;
  font-weight: 400;
  transition: opacity 0.2s ease;
}
.kz-article-content h2:hover .kz-heading-anchor,
.kz-article-content h3:hover .kz-heading-anchor,
.kz-article-content h4:hover .kz-heading-anchor {
  opacity: 1;
}

.kz-article-content a {
  color: var(--kz-blue);
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
}
.kz-article-content a:hover {
  color: #FFFFFF;
  text-decoration-color: var(--kz-blue);
}

.kz-article-content ul,
.kz-article-content ol {
  margin: 0 0 1.6em;
  padding: 0;
}

.kz-article-content ul {
  list-style: none;
}
.kz-article-content ul > li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 0.65em;
}
.kz-article-content ul > li::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 10px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--kz-blue);
}

.kz-article-content ol {
  list-style: none;
  counter-reset: kz-ol-counter;
}
.kz-article-content ol > li {
  position: relative;
  counter-increment: kz-ol-counter;
  padding-left: 38px;
  margin-bottom: 0.75em;
}
.kz-article-content ol > li::before {
  content: counter(kz-ol-counter);
  position: absolute;
  left: 0;
  top: 2px;
  width: 24px;
  height: 24px;
  border-radius: 7px;
  background: var(--kz-navy-card);
  border: 1px solid var(--kz-navy-border);
  color: var(--kz-blue);
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.kz-article-content blockquote {
  margin: 2em 0;
  padding: 24px 28px;
  background: var(--kz-navy-card);
  border: 1px solid var(--kz-navy-border);
  border-left: 4px solid var(--kz-blue);
  border-radius: 0 16px 16px 0;
  font-style: italic;
  font-size: 19px;
  color: var(--kz-text-body);
  box-shadow: none;
}
.kz-article-content blockquote p:last-child {
  margin-bottom: 0;
}

.kz-callout,
.kz-article-content .callout {
  margin: 2em 0;
  padding: 22px 26px;
  border-radius: 16px;
  background: var(--kz-navy-card);
  border: 1px solid var(--kz-navy-border);
  border-left: 4px solid var(--kz-lime);
  color: var(--kz-text-body);
}
.kz-callout p:last-child,
.kz-article-content .callout p:last-child {
  margin-bottom: 0;
}

.kz-article-content code:not(pre code) {
  font-family: var(--kz-font-mono);
  font-size: 0.88em;
  background: var(--kz-navy-code);
  color: var(--kz-blue);
  border: 1px solid var(--kz-navy-border);
  padding: 2px 7px;
  border-radius: 6px;
}

.kz-code-block-wrapper {
  margin: 2em 0;
  border-radius: 18px;
  overflow: hidden;
  background: var(--kz-navy-code);
  border: 1px solid var(--kz-navy-border);
  box-shadow: none;
}
.kz-code-block-header,
.kz-code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 18px;
  background: var(--kz-navy-code);
  border-bottom: 1px solid var(--kz-navy-border);
}
.kz-code-block-dots,
.kz-code-dots {
  display: flex;
  gap: 6px;
}
.kz-code-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.kz-code-dot--red { background: #EF4444; }
.kz-code-dot--yellow { background: #F59E0B; }
.kz-code-dot--green { background: #10B981; }

.kz-code-copy-btn {
  font-family: var(--kz-font-body);
  background: transparent;
  border: 2px solid rgba(255, 255, 255, 0.22);
  color: #FFFFFF;
  font-size: 13px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 500px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.kz-code-copy-btn:hover {
  background: var(--kz-blue);
  border-color: var(--kz-blue);
  color: #FFFFFF;
}
.kz-code-copy-btn.is-copied {
  background: var(--kz-lime);
  color: var(--kz-lime-ink);
  border-color: var(--kz-lime);
}

.kz-article-content pre {
  margin: 0;
  padding: 20px 22px;
  background: var(--kz-navy-code);
  overflow-x: auto;
  font-family: var(--kz-font-mono);
  font-size: 14.5px;
  line-height: 1.65;
  color: #F1F5F9;
}
.kz-article-content pre code {
  background: transparent !important;
  border: none !important;
  padding: 0 !important;
  color: inherit !important;
  font-size: inherit !important;
}

.kz-table-wrap {
  margin: 2.2em 0;
  border-radius: 16px;
  overflow-x: auto;
  border: 1px solid var(--kz-navy-border);
  background: var(--kz-navy-card);
}
.kz-article-content table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15.5px;
  text-align: left;
  background: var(--kz-navy-card);
}
.kz-article-content th {
  background: var(--kz-navy-card);
  color: #FFFFFF;
  font-family: var(--kz-font-heading);
  font-size: 14px;
  font-weight: 800;
  padding: 14px 18px;
  border-bottom: 1px solid var(--kz-navy-border);
}
.kz-article-content td {
  padding: 13px 18px;
  border-bottom: 1px solid var(--kz-navy-border);
  color: var(--kz-text-body);
}
.kz-article-content tr:last-child td {
  border-bottom: none;
}
.kz-article-content tr:nth-child(even) td {
  background: #0C1022;
}

.kz-article-content img {
  max-width: 100%;
  height: auto;
  border-radius: 16px;
  margin: 1.5em 0;
  border: 1px solid var(--kz-navy-border);
  box-shadow: none;
}
.kz-article-content figure {
  margin: 2em 0;
}
.kz-article-content figcaption {
  font-size: 14px;
  color: var(--kz-text-muted);
  text-align: center;
  margin-top: 8px;
}

.kz-article-content hr {
  margin: 3em 0;
  border: 0;
  border-top: 1px solid var(--kz-navy-border);
}

/* Homepage pill buttons (copied from kz-promo.css) */
body.kz-single-post .pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 54px;
  padding: 0 28px;
  border-radius: 500px;
  font-family: var(--kz-font-body);
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  border: 2px solid transparent;
  text-decoration: none !important;
  box-sizing: border-box;
  cursor: pointer;
}
body.kz-single-post .pill-solid {
  background: #70C500;
  color: #1A1A1C !important;
  border-color: #70C500;
}
body.kz-single-post .pill-solid:hover,
body.kz-single-post .pill-solid:focus-visible {
  background: #70C500;
  color: #1A1A1C !important;
  border-color: #70C500;
}
body.kz-single-post .pill-ghost {
  background: transparent;
  color: #FFFFFF !important;
  border-color: #FFFFFF;
}
body.kz-single-post .pill-ghost:hover,
body.kz-single-post .pill-ghost:focus-visible {
  background: #007FEF;
  color: #FFFFFF !important;
  border-color: #007FEF;
}
body.kz-single-post .pill-blue {
  background: #007FEF;
  color: #FFFFFF !important;
  border-color: #007FEF;
}
body.kz-single-post .pill-blue:hover,
body.kz-single-post .pill-blue:focus-visible {
  background: #007FEF;
  color: #FFFFFF !important;
  border-color: #007FEF;
}
body.kz-single-post .pill--sm {
  height: 44px;
  padding: 0 16px;
  font-size: 17px;
}
body.kz-single-post .pill svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}
body.kz-single-post .pill svg use {
  fill: currentColor;
}
.kz-sidebar-cta .pill {
  width: 100%;
}
.kz-rel-card__body .pill {
  margin-top: auto;
  align-self: flex-start;
}

/* Share */
.kz-share-band {
  margin: 48px 0 36px;
  padding: 24px 28px;
  background: var(--kz-navy-card);
  border: 1px solid var(--kz-navy-border);
  border-radius: 20px;
  position: relative;
}
.kz-share-band__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.kz-share-title {
  font-family: var(--kz-font-heading);
  font-size: 16px;
  font-weight: 800;
  color: #FFFFFF;
}
.kz-share-buttons {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.kz-copy-toast {
  display: none;
  position: absolute;
  top: -40px;
  right: 28px;
  background: var(--kz-lime);
  color: var(--kz-lime-ink);
  font-size: 13px;
  font-weight: 700;
  padding: 8px 16px;
  border-radius: 8px;
}
.kz-copy-toast.is-visible {
  display: block;
}

/* Author card */
.kz-author-card {
  margin: 36px 0;
  padding: 32px;
  background: var(--kz-navy-card);
  border: 1px solid var(--kz-navy-border);
  border-radius: 24px;
  display: flex;
  gap: 24px;
  align-items: flex-start;
  box-shadow: none;
}
.kz-author-card__avatar {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--kz-navy-border);
  box-shadow: none;
  filter: none;
  flex-shrink: 0;
}
.kz-author-card__body {
  flex: 1;
  min-width: 0;
}
.kz-author-card__badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--kz-blue);
  margin-bottom: 6px;
}
.kz-author-card__name {
  font-family: var(--kz-font-heading);
  font-size: 22px;
  font-weight: 800;
  color: #FFFFFF;
  margin: 0 0 4px;
}
.kz-author-card__role {
  font-size: 14px;
  color: var(--kz-text-muted);
  margin: 0 0 12px;
}
.kz-author-card__bio {
  font-size: 15px;
  line-height: 1.6;
  color: var(--kz-text-body);
  margin: 0 0 20px;
}
.kz-author-card__actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* Club CTA — dark card, no gradient, no glow */
.kz-single-cta {
  margin: 44px 0;
  padding: 40px 36px;
  background: var(--kz-navy-card);
  border: 1px solid var(--kz-navy-border);
  border-radius: 28px;
  position: relative;
  overflow: hidden;
  box-shadow: none;
}
.kz-single-cta__content {
  position: relative;
  z-index: 1;
}
.kz-cta-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--kz-lime);
  margin-bottom: 12px;
}
.kz-single-cta__title {
  font-family: var(--kz-font-heading);
  font-size: clamp(22px, 3.2vw, 30px);
  font-weight: 800;
  line-height: 1.25;
  color: #FFFFFF;
  margin: 0 0 14px;
}
.kz-single-cta__text {
  font-size: 16px;
  line-height: 1.6;
  color: var(--kz-text-body);
  margin: 0 0 26px;
  max-width: 620px;
}
.kz-single-cta__buttons {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* Prev / next */
.kz-single-nav {
  margin: 40px 0 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.kz-nav-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px;
  background: var(--kz-navy-card);
  border: 1px solid var(--kz-navy-border);
  border-radius: 20px;
  text-decoration: none !important;
  height: 100%;
  box-sizing: border-box;
}
.kz-nav-card:hover {
  border-color: var(--kz-blue);
}
.kz-nav-card__label {
  font-size: 13px;
  font-weight: 600;
  color: var(--kz-blue);
}
.kz-nav-card__title {
  font-family: var(--kz-font-heading);
  font-size: 15px;
  font-weight: 800;
  line-height: 1.4;
  color: #FFFFFF;
}

/* Sticky TOC */
.kz-single-sidebar {
  position: relative;
}

.kz-sticky-box {
  position: sticky;
  top: 96px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.kz-toc-card {
  background: var(--kz-navy-card);
  border: 1px solid var(--kz-navy-border);
  border-radius: 20px;
  padding: 24px;
  box-shadow: none;
  max-height: calc(100vh - 240px);
  overflow-y: auto;
}

.kz-toc-card__head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--kz-navy-border);
}
.kz-toc-icon {
  width: 20px;
  height: 20px;
  color: var(--kz-lime);
  flex-shrink: 0;
}
.kz-toc-card__title {
  font-family: var(--kz-font-heading);
  font-size: 16px;
  font-weight: 800;
  color: #FFFFFF;
}

.kz-toc-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.kz-toc-nav a {
  display: block;
  font-size: 14px;
  line-height: 1.45;
  color: var(--kz-text-muted);
  text-decoration: none !important;
  padding: 7px 12px;
  border-radius: 8px;
  border-left: 3px solid transparent;
}
.kz-toc-nav a:hover {
  color: var(--kz-blue);
  background: rgba(0, 127, 239, 0.12);
}

.kz-toc-nav a.is-active {
  color: #FFFFFF;
  font-weight: 700;
  background: rgba(0, 127, 239, 0.16);
  border-left-color: var(--kz-blue);
}

.kz-toc-nav .kz-toc-sub {
  padding-left: 14px;
  margin-top: 2px;
  gap: 2px;
}
.kz-toc-nav .kz-toc-sub a {
  font-size: 13px;
  color: var(--kz-text-muted);
}
.kz-toc-nav .kz-toc-sub a.is-active {
  border-left-color: var(--kz-lime);
}

.kz-sidebar-cta {
  background: var(--kz-navy-card);
  border: 1px solid var(--kz-navy-border);
  border-radius: 20px;
  padding: 22px;
  color: #FFFFFF;
}
.kz-sidebar-cta__kicker {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--kz-purple);
  margin-bottom: 6px;
}
.kz-sidebar-cta__text {
  font-size: 14px;
  line-height: 1.45;
  color: var(--kz-text-body);
  margin: 0 0 16px;
}
.kz-sidebar-cta__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  height: 44px;
  padding: 0 16px;
  border-radius: 500px;
  background: #007FEF;
  color: #FFFFFF !important;
  border: 2px solid #007FEF;
  font-family: var(--kz-font-body);
  font-size: 17px;
  font-weight: 700;
  text-decoration: none !important;
  box-sizing: border-box;
}
.kz-sidebar-cta__btn svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}
.kz-sidebar-cta__btn:hover {
  background: #007FEF;
  color: #FFFFFF !important;
}

.kz-toc-mobile {
  margin-bottom: 32px;
}
.kz-toc-details {
  background: var(--kz-navy-card);
  border: 1px solid var(--kz-navy-border);
  border-radius: 16px;
  overflow: hidden;
}
.kz-toc-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  color: #FFFFFF;
}
.kz-toc-summary::-webkit-details-marker {
  display: none;
}
.kz-toc-summary__title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--kz-font-heading);
  font-size: 15px;
  font-weight: 800;
  color: #FFFFFF;
}
.kz-toc-arrow {
  width: 8px;
  height: 8px;
  border-right: 2px solid #FFFFFF;
  border-bottom: 2px solid #FFFFFF;
  transform: rotate(45deg);
  transition: transform 0.2s ease;
}
.kz-toc-details[open] .kz-toc-arrow {
  transform: rotate(-135deg);
}
.kz-toc-mobile-nav {
  padding: 0 18px 18px;
  border-top: 1px solid var(--kz-navy-border);
  max-height: 340px;
  overflow-y: auto;
}
.kz-toc-mobile-nav ul {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.kz-toc-mobile-nav a {
  font-size: 14px;
  color: var(--kz-text-body);
  text-decoration: none !important;
}
.kz-toc-mobile-nav a.is-active {
  color: var(--kz-blue);
  font-weight: 700;
}

/* Related — dark cards, not catalog white */
.kz-single-related {
  background: var(--kz-navy);
  border-top: 1px solid var(--kz-navy-border);
  padding: 64px 0 88px;
}
.kz-single-related__inner {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
}
.kz-single-related__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 36px;
}
.kz-single-related__title {
  font-family: var(--kz-font-heading);
  font-size: clamp(24px, 3.5vw, 34px);
  font-weight: 800;
  color: #FFFFFF;
  margin: 0;
}
.kz-single-related__more {
  color: var(--kz-blue);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none !important;
}
.kz-single-related__more:hover {
  color: #FFFFFF;
}

.kz-single-related__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.kz-rel-card {
  background: var(--kz-navy-card);
  border: 1px solid var(--kz-navy-border);
  border-radius: 24px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: none;
}
.kz-rel-card:hover {
  border-color: rgba(0, 127, 239, 0.55);
}

.kz-rel-card__cover {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--kz-navy-code);
  overflow: hidden;
}
.kz-rel-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.kz-rel-card__placeholder {
  width: 100%;
  height: 100%;
  background: var(--kz-navy);
}
.kz-rel-card__cat {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--kz-lime);
  color: var(--kz-lime-ink);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 500px;
  pointer-events: none;
}

.kz-rel-card__body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.kz-rel-card__date {
  font-size: 13px;
  color: var(--kz-text-muted);
  margin-bottom: 8px;
}
.kz-rel-card__title {
  font-family: var(--kz-font-heading);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.35;
  margin: 0 0 10px;
}
.kz-rel-card__title a {
  color: #FFFFFF;
  text-decoration: none !important;
}
.kz-rel-card__title a:hover {
  color: var(--kz-blue);
}
.kz-rel-card__excerpt {
  font-size: 14px;
  line-height: 1.55;
  color: var(--kz-text-body);
  margin: 0 0 18px;
  flex: 1;
}
.kz-rel-card__arrow-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 44px;
  padding: 0 16px;
  border-radius: 500px;
  border: 2px solid #FFFFFF;
  background: transparent;
  color: #FFFFFF !important;
  font-family: var(--kz-font-body);
  font-size: 17px;
  font-weight: 700;
  text-decoration: none !important;
  margin-top: auto;
  align-self: flex-start;
}
.kz-rel-card__arrow-link svg {
  width: 14px;
  height: 14px;
}
.kz-rel-card__arrow-link:hover {
  background: #007FEF;
  border-color: #007FEF;
  color: #FFFFFF !important;
}

@media (max-width: 1024px) {
  .kz-single-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .kz-single-sidebar {
    display: none;
  }
  .kz-toc-mobile {
    display: block !important;
  }
  .kz-single-related__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  body.kz-single-post .pill {
    font-size: 17px;
    height: 44px;
    padding: 0 16px;
  }
}

@media (max-width: 768px) {
  .kz-single-hero {
    padding: 32px 0 44px;
  }
  .kz-single-hero__container,
  .kz-single-layout,
  .kz-single-related__inner {
    width: calc(100% - 32px);
  }
  .kz-single-title {
    font-size: 26px;
    margin-bottom: 20px;
  }
  .kz-single-hero-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .kz-single-content-wrap {
    padding: 36px 0 60px;
  }
  .kz-article-content {
    font-size: 16.5px;
    line-height: 1.7;
  }
  .kz-author-card {
    flex-direction: column;
    padding: 24px;
    gap: 18px;
  }
  .kz-single-cta {
    padding: 28px 22px;
    border-radius: 20px;
  }
  .kz-single-nav {
    grid-template-columns: 1fr;
  }
  .kz-single-related__grid {
    grid-template-columns: 1fr;
  }
  body.kz-single-post .pill {
    white-space: normal;
    height: auto;
    padding: 10px 16px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .kz-single-hero__container,
  .kz-single-layout,
  .kz-single-related__inner {
    width: calc(100% - 24px);
  }
  .kz-single-back {
    font-size: 13.5px;
    padding: 6px 12px;
  }
  .kz-badge {
    font-size: 12px;
    padding: 5px 10px;
  }
  .kz-single-cta__buttons,
  .kz-author-card__actions,
  .kz-share-buttons {
    flex-direction: column;
    width: 100%;
    align-items: stretch;
  }
  body.kz-single-post .pill,
  .kz-rel-card__arrow-link {
    width: 100%;
  }
}