.hero {
  min-height: 54vh;
  padding-block: clamp(3rem, 5vw, 5.25rem);
}

.welding-section,
.bolting-section,
.articles-index-section {
  padding-block: clamp(3rem, 6vw, 5.5rem);
}

.application-group {
  margin-top: 1.75rem;
}

.article-group {
  margin-top: 2.35rem;
}

.application-card-link {
  color: inherit;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform .18s ease,
    border-color .18s ease,
    box-shadow .18s ease,
    background .18s ease;
}

.application-card-link:hover {
  transform: translateY(-4px);
  border-color: var(--blue-dark);
  background: linear-gradient(180deg, #f9fdff, #e3eef3);
  box-shadow: 0 24px 54px rgba(47, 96, 123, .2);
}

.application-card-link:hover h3 {
  text-decoration: underline;
  text-decoration-thickness: .08em;
  text-underline-offset: .16em;
}

.application-card-link:hover > p:not(.application-card-type) {
  color: #33434c;
}

.application-card-link:focus-visible {
  outline: 3px solid var(--blue-dark);
  outline-offset: 4px;
  transform: translateY(-2px);
  box-shadow: 0 22px 50px rgba(47, 96, 123, .2);
}

.application-card-link:active {
  transform: translateY(0);
}

.article-kicker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .55rem .75rem;
}

.article-media-badge {
  display: inline-flex;
  align-items: center;
  padding: .28rem .62rem;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .05em;
  line-height: 1;
  text-transform: none;
}

.articles-index-section {
  background: var(--paper);
}

.article-index-table {
  max-width: 1320px;
  margin-top: 1.65rem;
  overflow-x: auto;
  padding: .1rem .1rem .45rem;
}

.article-index-header,
.article-index-item {
  display: grid;
  grid-template-columns:
    minmax(17rem, 2.2fr)
    minmax(8.5rem, 1fr)
    minmax(7.5rem, .85fr)
    minmax(9.5rem, 1fr)
    minmax(9.5rem, 1fr)
    minmax(11rem, 1.15fr);
  align-items: center;
  column-gap: 1rem;
  min-width: 1080px;
}

.article-index-header {
  padding: 0 .95rem .7rem;
  color: #3e4d55;
  font-size: .8rem;
  font-weight: 850;
  letter-spacing: .018em;
  line-height: 1.25;
  text-transform: uppercase;
}

.article-index-list {
  display: grid;
  gap: .65rem;
  min-width: 1080px;
}

.technical-article-index-table .article-index-header,
.technical-article-index-table .article-index-item {
  grid-template-columns:
    minmax(17rem, 2.2fr)
    minmax(9.5rem, 1fr)
    minmax(11rem, 1.15fr);
  min-width: 720px;
}

.technical-article-index-table .article-index-list {
  min-width: 720px;
}

.article-index-item {
  --index-soft: #fff;
  --index-soft-strong: #fbfdfe;
  --index-border: var(--line);
  --index-accent: var(--blue-dark);
  padding: .95rem;
  border: 1px solid var(--index-border);
  border-radius: 10px;
  color: inherit;
  background: var(--index-soft);
  box-shadow: 0 10px 26px rgba(38, 55, 70, .07);
  text-decoration: none;
  transition:
    transform .16s ease,
    border-color .16s ease,
    box-shadow .16s ease,
    background .16s ease;
}

.welding-index-item {
  --index-soft: var(--welding-soft);
  --index-soft-strong: #d9ebf3;
  --index-border: var(--welding-accent);
  --index-accent: var(--welding-accent-dark);
}

.bolting-index-item {
  --index-soft: var(--bolting-soft);
  --index-soft-strong: #dceade;
  --index-border: var(--bolting-accent);
  --index-accent: var(--bolting-accent-dark);
}

.article-index-item:hover {
  transform: translateY(-2px);
  border-color: var(--index-accent);
  background: var(--index-soft-strong);
  box-shadow: 0 16px 34px rgba(38, 55, 70, .13);
}

.article-index-item:hover .article-index-city,
.article-index-item:hover .article-index-country,
.article-index-item:hover .article-index-collapse-date,
.article-index-item:hover .article-index-publication-date {
  color: #33434c;
}

.article-index-item:focus-visible {
  outline: 3px solid var(--index-accent);
  outline-offset: 3px;
}

.article-index-item > span,
.article-index-item > time {
  min-width: 0;
}

.article-index-mobile-label {
  display: none;
}

.article-index-title {
  font-size: 1.02rem;
  font-weight: 780;
  line-height: 1.3;
}

.article-index-item:hover .article-index-title .article-index-value {
  text-decoration: underline;
  text-decoration-thickness: .08em;
  text-underline-offset: .16em;
}

.article-index-city,
.article-index-country,
.article-index-collapse-date,
.article-index-publication-date,
.article-index-area {
  color: #4b5961;
  font-size: .9rem;
  line-height: 1.35;
}

.article-index-collapse-date time,
.article-index-publication-date time {
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.article-index-area {
  font-weight: 750;
}

.welding-index { color: var(--welding-accent-dark); }
.bolting-index { color: var(--bolting-accent-dark); }

@media (prefers-reduced-motion: reduce) {
  .application-card-link,
  .article-index-item { transition: none; }
  .application-card-link:hover,
  .application-card-link:focus-visible,
  .article-index-item:hover { transform: none; }
}

@media (max-width: 760px) {
  .hero { min-height: 0; }

  .site-header {
    position: sticky;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: .7rem 1rem;
    padding-block: .75rem;
  }

  .wordmark {
    grid-column: 1;
    grid-row: 1;
  }

  .language-switcher {
    grid-column: 2;
    grid-row: 1;
    margin-left: 0;
  }

  .site-header > nav:not(.language-switcher) {
    grid-column: 1 / -1;
    grid-row: 2;
    display: flex;
    flex-wrap: nowrap;
    gap: 1rem;
    max-width: 100%;
    padding-bottom: .15rem;
    overflow-x: auto;
    scrollbar-width: thin;
    white-space: nowrap;
  }

  .article-index-table {
    margin-top: 1.35rem;
    overflow: visible;
    padding: 0;
  }

  .article-index-header {
    display: none;
  }

  .article-index-list {
    min-width: 0;
    gap: .85rem;
  }

  .article-index-item {
    min-width: 0;
    grid-template-columns: 1fr;
    gap: .52rem;
    padding: 1rem;
  }

  .article-index-cell {
    display: grid;
    grid-template-columns: minmax(7.6rem, .8fr) minmax(0, 1.2fr);
    align-items: baseline;
    gap: .75rem;
    color: #43525a;
    font-size: .9rem;
    font-weight: 500;
  }

  .article-index-title {
    padding-bottom: .6rem;
    border-bottom: 1px solid color-mix(in srgb, var(--index-border) 70%, transparent);
    font-size: 1rem;
  }

  .article-index-mobile-label {
    display: block;
    color: #46565f;
    font-size: .72rem;
    font-weight: 850;
    letter-spacing: .035em;
    line-height: 1.25;
    text-transform: uppercase;
  }

  .article-index-value {
    min-width: 0;
  }
}

@media (max-width: 420px) {
  .article-index-cell {
    grid-template-columns: 1fr;
    gap: .15rem;
  }
}