.article-page-body {
  background: var(--main-darker);
}

.article-site-header {
  background: rgba(0, 74, 74, .94);
  backdrop-filter: blur(8px);
}

.rig-article {
  color: var(--main-darker);
  background: var(--text);
}

:root[data-theme='dark'] .rig-article {
  color: var(--text);
  background: var(--main);
}
:root[data-theme='dark'] .article-lede { color: var(--text); }
:root[data-theme='dark'] .article-rail nav,
:root[data-theme='dark'] .article-section { border-color: var(--line); }
:root[data-theme='dark'] .article-rail a { color: var(--text); border-color: var(--line); }
:root[data-theme='dark'] .article-rail a:hover,
:root[data-theme='dark'] .article-rail a:focus-visible { color: var(--link); }
:root[data-theme='dark'] .requirements {
  color: var(--text);
  background: var(--main-darker);
  border-color: var(--text);
}
:root[data-theme='dark'] .requirements h2,
:root[data-theme='dark'] .article-section h2,
:root[data-theme='dark'] .target-contact h2 { color: var(--page-title); }
:root[data-theme='dark'] .requirements small,
:root[data-theme='dark'] .article-section blockquote,
:root[data-theme='dark'] .article-section .article-emphasis { color: var(--text); }
:root[data-theme='dark'] .article-section .section-number { color: var(--link); }
:root[data-theme='dark'] .feature-list { background: var(--line); }
:root[data-theme='dark'] .feature-list li { background: var(--main-darker); }
:root[data-theme='dark'] .target-contact {
  color: var(--text);
  background: var(--main-darker);
  border-color: var(--line);
}
:root[data-theme='dark'] .target-contact .contact-link { color: var(--link); }

.article-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(8rem, 11vw, 10rem) var(--pad) clamp(3rem, 5vw, 4.5rem);
  color: white;
  background:
    linear-gradient(rgba(135, 217, 217, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(135, 217, 217, .07) 1px, transparent 1px),
    var(--main-darker);
  background-size: 42px 42px;
}

.article-hero::after {
  content: 'ARTICLE // TS64';
  position: absolute;
  right: var(--pad);
  top: 7.5rem;
  color: var(--link);
  font: 600 .58rem var(--ui);
  letter-spacing: .12em;
}

.article-hero-copy {
  position: relative;
  z-index: 1;
  width: min(100%, 1040px);
  margin-inline: auto;
}

.article-hero h1 {
  max-width: 1040px;
  margin: .2em 0 .3em;
  color: white;
  font: 700 clamp(3.4rem, 7vw, 6.6rem)/.88 var(--display);
  letter-spacing: -.075em;
  text-wrap: balance;
}

.article-hero h1 em {
  color: var(--link);
  font-style: normal;
}

.article-deck {
  max-width: 760px;
  color: var(--text);
  font-size: clamp(1.15rem, 2.2vw, 1.55rem);
}

.kaomoji {
  display: inline-block;
  direction: ltr;
  unicode-bidi: isolate;
  white-space: nowrap;
  font-family: "Noto Sans", "Segoe UI Symbol", "Arial Unicode MS", sans-serif;
  font-style: normal;
  font-variant-ligatures: none;
  letter-spacing: 0;
  line-height: 1;
  text-transform: none;
}

.article-byline {
  margin-top: 2rem;
  color: var(--footer-text);
  font: 500 .68rem var(--ui);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.article-byline strong { color: white; }

.article-back {
  display: inline-block;
  margin-top: 1rem;
  color: var(--link);
  font: 600 .64rem var(--ui);
  letter-spacing: .06em;
  text-transform: uppercase;
}
.article-back:hover,
.article-back:focus-visible { color: white; }

.article-media {
  --rx: 0deg;
  --ry: 0deg;
  margin: clamp(1.75rem, 3vw, 2.75rem) 0;
  background: var(--main-darker);
  border: 2px solid var(--main-darker);
  box-shadow: 8px 8px 0 var(--main);
  transform: perspective(1000px) rotateX(var(--rx)) rotateY(var(--ry));
  transform-style: preserve-3d;
  transition: transform .16s ease-out, box-shadow .2s;
}

.article-media-hero {
  position: relative;
  z-index: 1;
  width: min(100%, 1040px);
  margin: clamp(2rem, 4vw, 3rem) auto 0;
  border-color: var(--text);
  box-shadow: 10px 10px 0 var(--link);
}

.article-media img,
.article-media video {
  display: block;
  width: 100%;
  height: auto;
}

.article-media video {
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: #001f1f;
}

.article-media figcaption {
  padding: .85rem 1rem;
  color: var(--text);
  background: var(--main-darker);
  font: 500 .6rem var(--ui);
  letter-spacing: .055em;
  text-transform: uppercase;
}

.article-layout {
  display: block;
  width: min(100%, calc(760px + var(--pad) + var(--pad)));
  margin-inline: auto;
  padding: clamp(4rem, 6vw, 6rem) var(--pad);
}

.article-rail {
  position: sticky;
  top: 7rem;
  align-self: start;
  padding-top: .4rem;
}

.article-rail nav { display: grid; margin-top: 1rem; border-top: 2px solid var(--main-darker); }
.article-rail a {
  padding: .85rem 0;
  color: var(--main);
  border-bottom: 1px solid rgba(0, 54, 54, .22);
  font: 600 .65rem var(--ui);
  letter-spacing: .05em;
  text-transform: uppercase;
}
.article-rail a:hover,
.article-rail a:focus-visible { color: #a33b00; }

.article-content { min-width: 0; }
.article-content > :first-child { margin-top: 0; }
.article-content p,
.article-content li { font-size: clamp(1rem, 1.25vw, 1.1rem); line-height: 1.66; }
.article-content p { max-width: 760px; }
.article-content ul { padding-left: 1.25rem; }
.article-content li + li { margin-top: .45rem; }
.article-lede {
  color: var(--main-darker);
  font-size: clamp(1.4rem, 2.8vw, 2rem) !important;
  line-height: 1.42 !important;
}

.requirements {
  margin: clamp(2.5rem, 4vw, 3.75rem) 0;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  background: white;
  border: 2px solid var(--main-darker);
  box-shadow: 8px 8px 0 var(--link);
}
.requirements h2 { margin: .25em 0 .5em; color: var(--main-darker); font: 700 clamp(2rem, 4vw, 3.2rem)/.95 var(--display); letter-spacing: -.05em; }
.requirements small { color: var(--main); }

.article-section {
  position: relative;
  padding: clamp(3.25rem, 5vw, 4.5rem) 0;
  border-top: 2px solid var(--main-darker);
}

.article-section .section-number {
  position: absolute;
  right: 0;
  top: 1.8rem;
  margin: 0;
  color: var(--main);
  font: 700 clamp(3rem, 5vw, 4.5rem)/1 var(--display);
  opacity: .16;
}

.article-section h2 {
  max-width: 800px;
  margin: .15em 0 .45em;
  color: var(--main-darker);
  font: 700 clamp(2.6rem, 4.5vw, 4.25rem)/.92 var(--display);
  letter-spacing: -.065em;
  text-wrap: balance;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 2.5rem 0;
  padding: 1px !important;
  list-style: none;
  background: var(--main-darker);
}
.feature-list li {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 0 !important;
  padding: 1.25rem;
  color: white;
  background: var(--main);
  font: 700 clamp(1.15rem, 2vw, 1.5rem) var(--display);
}
.feature-list span { color: var(--link); font: 600 .65rem var(--ui); }

.article-section blockquote,
.article-section .article-emphasis {
  margin: 2.5rem 0;
  color: var(--main);
  font: 700 clamp(2.1rem, 5vw, 4.5rem)/.95 var(--display);
  letter-spacing: -.055em;
}

.article-section pre {
  overflow-x: auto;
  margin: 2rem 0;
  padding: 1.4rem;
  color: var(--link);
  background: var(--main-darker);
  border: 2px solid var(--main-darker);
  box-shadow: 7px 7px 0 var(--main);
  font: 500 clamp(.85rem, 2vw, 1.2rem)/1.5 var(--ui);
}

.article-final-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-top: 1rem;
}

.article-final-actions .button { margin-top: 0; }

.target-contact {
  position: relative;
  overflow: hidden;
  padding: clamp(6rem, 12vw, 11rem) var(--pad);
  color: var(--main-darker);
  background: white;
  border-top: 2px solid var(--main-darker);
}
.target-contact::before { content: '+'; position: absolute; right: 2rem; top: 1rem; color: var(--link); font: 500 5rem var(--ui); }
.target-contact h2 { margin: 0 0 .45em; color: var(--main-darker); font: 700 clamp(3.3rem, 7vw, 7.4rem)/.86 var(--display); letter-spacing: -.07em; }
.target-contact .contact-link { color: var(--main); }

@media (max-width: 850px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-rail { position: static; }
  .article-rail nav { grid-template-columns: repeat(4, 1fr); border-bottom: 1px solid rgba(0, 54, 54, .22); }
  .article-rail a { text-align: center; border-bottom: 0; }
}

@media (max-width: 600px) {
  .article-hero { padding-top: 8rem; }
  .article-hero::after { top: 5.5rem; }
  .article-hero h1 { font-size: clamp(3rem, 14vw, 4.5rem); }
  .article-layout { padding-inline: 1.25rem; }
  .article-rail nav { grid-template-columns: repeat(2, 1fr); }
  .article-rail a { border-bottom: 1px solid rgba(0, 54, 54, .22); }
  .feature-list { grid-template-columns: 1fr; }
  .article-media { box-shadow: 5px 5px 0 var(--main); }
  .article-media-hero { box-shadow: 6px 6px 0 var(--link); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .article-media { transition: none; }
}