/* ===== Article detail — desgin/article-desktop.svg (1440×4892) ===== */

.article-page section[id],
.article-page .article-section {
  scroll-margin-top: 6.5rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Hero */
.article-hero {
  padding-block: 3.5rem 1.75rem;
  background: var(--color-bg);
}

.article-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  font-size: var(--font-size-caption);
  color: var(--color-text-muted);
}

.article-breadcrumb a:hover {
  color: var(--color-text);
}

.article-breadcrumb__sep {
  opacity: 0.5;
}

.article-breadcrumb__current {
  color: var(--color-text-secondary);
}

.article-hero__tag {
  display: inline-flex;
  align-items: center;
  margin-top: 1.5rem;
  min-height: 2.3125rem;
  padding: 0.3rem 0.95rem;
  background: var(--color-badge);
  border: 1px solid var(--color-primary);
  border-radius: 0.46875rem;
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
}

.article-hero__title {
  margin-top: 1.25rem;
  max-width: 48rem;
  font-size: clamp(1.75rem, 1.3rem + 1.4vw, 2.65rem);
  font-weight: var(--font-weight-extrabold);
  line-height: 1.45;
  color: var(--color-text);
}

.article-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  margin-top: 1.75rem;
}

.article-hero__author {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.article-hero__avatar {
  width: 2.875rem;
  height: 2.875rem;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-primary);
  background: var(--color-surface);
}

.article-hero__author-name {
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
}

.article-hero__author-role {
  margin-top: 0.15rem;
  font-size: var(--font-size-caption);
  color: var(--color-text-muted);
}

.article-hero__stats {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  font-size: var(--font-size-caption);
  color: var(--color-text-muted);
}

.article-hero__dot {
  width: 0.3rem;
  height: 0.3rem;
  border-radius: 50%;
  background: var(--color-text-muted);
}

.article-hero__media {
  margin-top: 2rem;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: 1.96875rem;
  background: var(--color-dark);
}

.article-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1239 / 519;
  object-fit: cover;
}

/* Layout: content left + sidebar right (SVG x=100 / x=924) */
.article-main {
  padding-block: 2.5rem 1rem;
  background: var(--color-bg);
}

.article-layout {
  display: grid;
  grid-template-columns: 47.4375rem 17.4375rem;
  gap: 4.0625rem;
  align-items: start;
  direction: ltr;
}

.article-content,
.article-aside {
  direction: rtl;
}

.article-aside {
  position: sticky;
  top: 7rem;
  display: flex;
  flex-direction: column;
  gap: 2.0625rem;
}

.article-toc,
.article-share {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 1.25rem 1.15rem;
}

.article-toc {
  border-radius: 1.21875rem;
}

.article-share {
  border-radius: 0.96875rem;
}

.article-toc__title,
.article-share__title {
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  text-align: center;
}

.article-toc__title {
  padding-bottom: 0.85rem;
  margin-bottom: 0.85rem;
  border-bottom: 1px solid var(--color-border);
}

.article-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.article-toc__link {
  display: block;
  font-size: var(--font-size-caption);
  color: var(--color-text-secondary);
  line-height: 1.6;
  text-decoration: none;
  transition: color var(--transition);
}

.article-toc__link:hover,
.article-toc__link.is-active {
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
}

.article-share__title {
  margin-bottom: 1rem;
  font-size: var(--font-size-caption);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
}

.article-share__row {
  display: flex;
  justify-content: center;
  gap: 0.8125rem;
  direction: ltr;
}

.article-share__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.1875rem;
  height: 2.1875rem;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: var(--color-bg);
  transition: border-color var(--transition), transform var(--transition);
}

.article-share__btn:hover {
  border-color: var(--color-primary);
  transform: translateY(-1px);
}

/* Body */
.article-lead {
  font-size: var(--font-size-body-lg);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: 1.75rem;
}

.article-section + .article-section {
  margin-top: 2.25rem;
}

.article-section__heading {
  margin-bottom: 1rem;
  font-size: clamp(1.25rem, 1.1rem + 0.5vw, 1.5rem);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-text);
  line-height: 1.5;
}

.article-section__sub {
  margin: 1.25rem 0 0.75rem;
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
}

.article-section__p {
  font-size: var(--font-size-body);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.article-section__p + .article-section__p {
  margin-top: 1rem;
}

.article-section__p--closing {
  margin-top: 2rem;
}

.article-quote {
  margin: 1.75rem 0;
  padding: 1.75rem 1.5rem;
  background: var(--color-badge);
  border: 1px solid var(--color-primary);
  border-radius: 0.96875rem;
  text-align: center;
}

.article-quote__text {
  font-size: clamp(1.05rem, 0.95rem + 0.4vw, 1.25rem);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  line-height: 1.7;
}

.article-quote__cite {
  display: block;
  margin-top: 1rem;
  font-size: var(--font-size-caption);
  color: var(--color-text-muted);
  text-align: start;
}

.article-list {
  margin: 0.5rem 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.article-list li {
  position: relative;
  padding-inline-start: 1.25rem;
  font-size: var(--font-size-body);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.article-list li::before {
  content: '';
  position: absolute;
  inset-inline-start: 0;
  top: 0.55rem;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--color-primary);
}

.article-figure {
  margin: 1.5rem 0 0;
}

.article-figure img {
  display: block;
  width: 100%;
  border-radius: 0.96875rem;
  border: 1px solid var(--color-border);
  background: var(--color-dark);
}

.article-figure figcaption {
  margin-top: 0.75rem;
  text-align: center;
  font-size: var(--font-size-caption);
  color: var(--color-text-muted);
  line-height: 1.6;
}

.article-tip {
  margin-top: 1.5rem;
  padding: 1.25rem 1.35rem;
  background: var(--color-badge);
  border: 1px solid var(--color-primary);
  border-radius: 0.96875rem;
}

.article-tip__head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.65rem;
  color: var(--color-text);
}

.article-tip p {
  font-size: var(--font-size-body);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* Author card — full 1240 rail; SVG avatar physical right (x1142), right pad ≈41.5 */
.article-author {
  margin-top: 2.75rem;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.5rem;
  align-items: center;
  /* SVG card 239px: avatar 156 + pad-block ~41.5 each side (border-box) */
  padding-block: 2.53125rem;
  padding-inline: 2.59375rem 2rem;
  min-height: 14.9375rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 1.96875rem;
  direction: rtl;
  box-sizing: border-box;
}

.article-author__avatar {
  width: 9.75rem;
  height: 9.75rem;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--color-primary);
  background: var(--color-surface);
}

.article-author__title {
  font-size: 1.25rem;
  font-weight: var(--font-weight-extrabold);
  color: var(--color-text);
}

.article-author__bio {
  margin-top: 0.75rem;
  font-size: var(--font-size-body);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.article-author__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem;
  margin-top: 1.25rem;
}

.article-author__more {
  font-size: var(--font-size-caption);
  color: var(--color-text-muted);
  text-decoration: none;
}

.article-author__more:hover {
  color: var(--color-text);
}

.article-author__social {
  display: flex;
  gap: 0.75rem;
}

.article-author__social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.125rem;
  height: 1.125rem;
  opacity: 0.85;
}

.article-author__social a:hover {
  opacity: 1;
}

/* Related */
/* Related — SVG ~81px below author (= main pad-bottom 16 + this 65) */
.article-related {
  padding-block: 4.0625rem 0;
  background: var(--color-bg);
}

.article-related__badge {
  display: inline-flex;
  align-items: center;
  min-height: 2.125rem;
  padding: 0.3rem 0.85rem;
  background: var(--color-badge);
  border-radius: 1.0625rem;
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
}

.article-related__heading {
  margin-top: 0.85rem;
  margin-bottom: 2.875rem;
  font-size: clamp(1.5rem, 1.2rem + 0.8vw, 2rem);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-text);
}

.article-related__grid {
  display: grid;
  grid-template-columns: repeat(3, 24rem);
  gap: 1.5rem;
  direction: ltr;
  justify-content: start;
}

.article-related__card {
  display: flex;
  flex-direction: column;
  direction: rtl;
  min-height: 26.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 1rem;
  overflow: hidden;
  color: inherit;
  text-decoration: none;
  transition: border-color var(--transition);
}

.article-related__card:hover {
  border-color: var(--color-primary);
}

.article-related__media {
  height: 15rem;
  background: var(--color-dark);
}

.article-related__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.article-related__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 1.15rem 1.2rem 1.25rem;
}

.article-related__tag {
  align-self: flex-start;
  display: inline-flex;
  min-height: 1.55rem;
  padding: 0.15rem 0.65rem;
  margin-bottom: 0.75rem;
  background: var(--color-badge);
  border-radius: 0.375rem;
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
}

.article-related__title {
  font-size: 1rem;
  font-weight: var(--font-weight-extrabold);
  line-height: 1.65;
  color: var(--color-text);
}

.article-related__meta {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: auto;
  padding-top: 1rem;
  font-size: var(--font-size-caption);
  color: var(--color-text-muted);
}

/* Newsletter — dark CTA */
/* Newsletter — SVG ~120px below related cards */
.article-newsletter {
  padding-block: 7.5rem 4rem;
  background: var(--color-bg);
}

.article-newsletter__card {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 27.5rem;
  padding: 3rem 2rem;
  border-radius: 2rem;
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 20%, rgb(255 184 24 / 18%), transparent 28%),
    radial-gradient(circle at 88% 18%, rgb(255 255 255 / 10%), transparent 26%),
    linear-gradient(160deg, var(--color-dark-soft) 0%, var(--color-dark) 55%, var(--color-dark) 100%);
  isolation: isolate;
}

.article-newsletter__card::before,
.article-newsletter__card::after {
  content: '';
  position: absolute;
  width: 0.7rem;
  height: 0.7rem;
  background: var(--color-primary);
  border-radius: 0.15rem;
  z-index: 0;
}

.article-newsletter__card::before {
  top: 2rem;
  inset-inline-end: 2.5rem;
  box-shadow: -1rem 0.85rem 0 var(--color-primary), -0.45rem 1.7rem 0 var(--color-primary);
}

.article-newsletter__card::after {
  inset-inline-start: 2rem;
  bottom: 2.5rem;
  opacity: 0.35;
  width: 5rem;
  height: 5rem;
  background: radial-gradient(circle, rgb(255 255 255 / 18%) 1px, transparent 1.5px);
  background-size: 10px 10px;
  border-radius: 0;
}

.article-newsletter__content {
  position: relative;
  z-index: 1;
  width: min(38rem, 100%);
  text-align: center;
  color: var(--color-text-on-dark);
}

.article-newsletter__title {
  font-size: clamp(1.45rem, 1.15rem + 1vw, 2rem);
  font-weight: var(--font-weight-extrabold);
  line-height: 1.45;
}

.article-newsletter__desc {
  margin-top: 0.9rem;
  font-size: var(--font-size-body);
  color: rgb(255 255 255 / 82%);
  line-height: var(--line-height-relaxed);
}

.article-newsletter__form {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  /* SVG 480×62, pad 6, rx16 */
  width: min(30rem, 100%);
  height: 3.875rem;
  margin: 1.75rem auto 0;
  padding: 0.375rem;
  background: rgb(255 255 255 / 10%);
  border: 1px solid rgb(255 255 255 / 20%);
  border-radius: 1rem;
  box-sizing: border-box;
}

.article-newsletter__input {
  flex: 1;
  min-width: 0;
  height: 100%;
  padding: 0 1rem;
  border: 0;
  background: transparent;
  font-family: var(--font-family);
  font-size: var(--font-size-body);
  color: var(--color-text-on-dark);
  outline: none;
}

.article-newsletter__input::placeholder {
  color: rgb(255 255 255 / 55%);
}

.article-newsletter__submit {
  flex-shrink: 0;
  /* SVG 166×50 rx12 */
  width: 10.375rem;
  min-width: 10.375rem;
  height: 3.125rem;
  min-height: 3.125rem;
  padding: 0 1.2rem;
  background: var(--color-primary);
  border: 0;
  border-radius: 0.75rem;
  box-sizing: border-box;
  font-family: var(--font-family);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  cursor: pointer;
}

.article-newsletter__submit:hover {
  background: var(--color-primary-hover);
}

@media (max-width: 1100px) {
  .article-layout {
    grid-template-columns: 1fr;
    direction: rtl;
  }

  .article-aside {
    position: static;
    order: -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }

  .article-related__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .article-hero {
    padding-block: 2.5rem 1.25rem;
  }

  .article-hero__media {
    border-radius: 1.25rem;
  }

  .article-aside {
    grid-template-columns: 1fr;
  }

  .article-author {
    grid-template-columns: 1fr;
    text-align: center;
    justify-items: center;
    padding: 1.5rem;
  }

  .article-author__avatar {
    width: 7rem;
    height: 7rem;
  }

  .article-author__row {
    justify-content: center;
    flex-direction: column;
  }

  .article-related__grid {
    grid-template-columns: 1fr;
  }

  .article-newsletter__card {
    min-height: 22rem;
    padding: 2.25rem 1.25rem;
    border-radius: 1.5rem;
  }

  .article-newsletter__form {
    flex-direction: column;
    align-items: stretch;
    height: auto;
  }

  .article-newsletter__submit {
    width: 100%;
  }
}

/* Cross-links: projects + services from content graph */
.article-proof {
  padding-block: 3.5rem;
  background: color-mix(in srgb, var(--color-bg, var(--color-surface)) 94%, var(--color-border));
}

.article-proof__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.article-proof__card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  background: var(--color-surface);
  border: 1px solid color-mix(in srgb, var(--color-ink, var(--color-text)) 8%, transparent);
  border-radius: 1rem;
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.article-proof__card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--color-ink, var(--color-text)) 18%, transparent);
}

.article-proof__media {
  margin: 0;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--color-dark);
}

.article-proof__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-proof__body {
  padding: 1rem 1.1rem 1.25rem;
  display: grid;
  gap: 0.35rem;
}

.article-proof__industry,
.article-proof__meta {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.article-proof__title {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.4;
}

.article-proof__lead {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-proof__cta {
  margin-top: 0.35rem;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-dark, var(--color-text));
}

.article-service-cta {
  padding-block: 2.5rem;
}

.article-service-cta__card {
  padding: 1.75rem;
  border-radius: 1.25rem;
  background: var(--color-dark);
  color: var(--color-text-on-dark);
}

.article-service-cta__title {
  margin: 0 0 0.75rem;
  font-size: 1.35rem;
}

.article-service-cta__body {
  margin: 0 0 1.25rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
  max-width: 42rem;
}

.article-service-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.article-service-cta__fit {
  margin: 1.15rem 0 0;
  font-size: var(--font-size-caption);
}

.article-service-cta__fit a {
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
}

.article-service-link {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 0.95rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-text-on-dark);
  text-decoration: none;
  font-size: 0.875rem;
}

.article-service-link:hover,
.article-service-link:focus-visible {
  background: rgba(255, 184, 24, 0.95);
  color: var(--color-text);
}

.article-service-link--solution {
  background: rgba(255, 184, 24, 0.18);
  border: 1px solid rgba(255, 184, 24, 0.45);
}

.article-newsletter__submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

@media (max-width: 64rem) {
  .article-proof__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 48rem) {
  .article-proof__grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .article-proof__card {
    transition: none;
  }
}