:root {
  --ink: #11100f;
  --paper: #f3eee5;
  --white: #fffdf8;
  --red: #e6282e;
  --red-surface: #ef3036;
  --red-on-light: #c51f26;
  --line: rgba(17, 16, 15, .2);
  --line-dark: rgba(255, 253, 248, .22);
  --display: "Unbounded", sans-serif;
  --body: "Manrope", sans-serif;
  --mono: "IBM Plex Mono", monospace;
  --gutter: clamp(1.2rem, 4vw, 4.5rem);
  --ease: cubic-bezier(.23, 1, .32, 1);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scrollbar-color: var(--red) var(--paper);
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--red-surface); color: var(--ink); }

a { color: inherit; text-decoration: none; }

a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--red);
  outline-offset: 4px;
}

img { max-width: 100%; }

.skip-link {
  position: fixed;
  z-index: 1000;
  top: .75rem;
  left: .75rem;
  padding: .75rem 1rem;
  background: var(--white);
  transform: translateY(-180%);
}

.skip-link:focus { transform: translateY(0); }

.article-header {
  position: relative;
  z-index: 20;
  min-height: 6rem;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 2rem;
  padding: 0 var(--gutter);
  background: var(--ink);
  color: var(--white);
}

.article-brand { justify-self: start; }

.article-brand img,
.article-footer img {
  display: block;
  width: clamp(9rem, 15vw, 13.8rem);
  height: auto;
}

.article-header nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2.5rem);
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.article-header nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: rgba(255, 253, 248, .68);
  transition: color .18s ease;
}

.article-header nav a:hover,
.article-header nav a[aria-current="page"] { color: var(--white); }

.article-header-cta {
  justify-self: end;
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: .85rem 1rem;
  background: var(--red-surface);
  color: var(--ink);
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  transition: background .18s ease, color .18s ease;
}

.article-header-cta:hover { background: var(--white); }

.articles-index-hero {
  min-height: min(46rem, calc(100vh - 6rem));
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(19rem, .85fr);
  grid-template-rows: 1fr auto;
  align-items: end;
  gap: clamp(2rem, 7vw, 8rem);
  padding: clamp(5rem, 10vw, 9rem) var(--gutter) clamp(4rem, 8vw, 7rem);
  border-bottom: 1px solid var(--line);
}

.articles-index-hero h1,
.article-hero h1,
.article-card h2,
.article-section h2,
.article-faq h2,
.article-author h2,
.article-cta strong {
  margin: 0;
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: -.04em;
}

.articles-index-hero h1 {
  max-width: 11ch;
  font-size: clamp(3.2rem, 7vw, 6rem);
  line-height: .9;
  text-transform: uppercase;
}

.articles-index-hero h1 em {
  color: var(--red-on-light);
  font-family: Georgia, serif;
  font-weight: 400;
  text-transform: none;
}

.articles-index-hero > p {
  max-width: 33rem;
  margin: 0;
  font-size: clamp(1.1rem, 1.65vw, 1.45rem);
  line-height: 1.5;
}

.articles-index-hero > div {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(4rem, 8vw, 8rem) clamp(1.25rem, 3vw, 2.5rem);
  padding: clamp(5rem, 9vw, 9rem) var(--gutter);
}

.article-card { min-width: 0; }

.article-card-image {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--white);
}

.article-card-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .65s var(--ease), filter .35s ease;
}

.article-card-image > span {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  padding: .7rem .85rem;
  background: var(--red-surface);
  color: var(--ink);
  font-family: var(--mono);
  font-size: .66rem;
  font-weight: 500;
  letter-spacing: .04em;
  text-transform: uppercase;
  transform: translateY(calc(100% + 1.1rem));
  transition: transform .3s var(--ease);
}

.article-card-image i { font-style: normal; }
.article-card-image:hover img { transform: scale(1.025); filter: saturate(1.07); }
.article-card-image:hover > span,
.article-card-image:focus-visible > span { transform: translateY(0); }

.article-card-meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0 .8rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: .66rem;
  letter-spacing: .03em;
  text-transform: uppercase;
}

.article-card-meta span:last-child {
  color: rgba(17, 16, 15, .68);
  text-align: right;
}

.article-card h2 {
  max-width: 20ch;
  margin-top: 1rem;
  font-size: clamp(1.55rem, 2.7vw, 2.75rem);
  line-height: 1.05;
}

.article-card h2 a {
  text-decoration-color: transparent;
  text-decoration-thickness: .08em;
  text-underline-offset: .12em;
  transition: color .18s ease, text-decoration-color .18s ease;
}

.article-card h2 a:hover {
  color: var(--red-on-light);
  text-decoration-color: currentColor;
}

.article-card > p {
  max-width: 62ch;
  margin: 1rem 0 0;
  color: rgba(17, 16, 15, .72);
  line-height: 1.58;
}

.article-card-link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  margin-top: .6rem;
  font-family: var(--mono);
  font-size: .68rem;
  text-transform: uppercase;
}

.article-card-link span {
  color: var(--red-on-light);
  transition: transform .2s var(--ease);
}

.article-card-link:hover span { transform: translateX(.3rem); }

.article-hero {
  padding: clamp(2rem, 5vw, 4.5rem) var(--gutter) clamp(4rem, 8vw, 7rem);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin-bottom: clamp(3rem, 7vw, 7rem);
  color: rgba(17, 16, 15, .62);
  font-family: var(--mono);
  font-size: .64rem;
  text-transform: uppercase;
}

.breadcrumbs a {
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: .3em;
}

.breadcrumbs a:hover { color: var(--red-on-light); text-decoration-color: currentColor; }

.article-kicker {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem 1.5rem;
  margin-bottom: 1.6rem;
  color: var(--red-on-light);
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.article-kicker time { margin-left: auto; color: rgba(17, 16, 15, .6); }

.article-hero h1 {
  max-width: 17ch;
  font-size: clamp(2.7rem, 7vw, 6rem);
  line-height: .96;
  text-wrap: balance;
}

.article-intro {
  max-width: 66ch;
  margin: clamp(2rem, 4vw, 3.5rem) 0 0 auto;
  font-size: clamp(1.18rem, 1.8vw, 1.55rem);
  line-height: 1.55;
}

.article-hero figure {
  margin: clamp(3rem, 7vw, 6rem) 0 0;
  padding: clamp(.75rem, 2vw, 1.5rem);
  border: 1px solid var(--line);
  background: var(--white);
}

.article-hero figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: min(76vh, 56rem);
  object-fit: contain;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(16rem, .7fr) minmax(0, 1.3fr);
  gap: clamp(3rem, 8vw, 9rem);
  padding: clamp(4rem, 8vw, 7rem) var(--gutter) clamp(6rem, 10vw, 10rem);
  border-top: 1px solid var(--line);
}

.article-aside {
  align-self: start;
  position: sticky;
  top: 2rem;
  display: grid;
  gap: 2rem;
}

.article-answer-block {
  padding: 1.5rem;
  background: var(--red-surface);
  color: var(--ink);
}

.article-aside span,
.article-author span {
  font-family: var(--mono);
  font-size: .66rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.article-answer {
  margin: 1rem 0 0;
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  font-weight: 650;
  line-height: 1.5;
}

.article-toc {
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
}

.article-toc ol {
  display: grid;
  gap: .7rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  counter-reset: toc;
}

.article-toc li { counter-increment: toc; }

.article-toc a {
  display: grid;
  grid-template-columns: 1.7rem 1fr;
  gap: .55rem;
  color: rgba(17, 16, 15, .68);
  font-size: .88rem;
  line-height: 1.4;
}

.article-toc a::before {
  content: counter(toc, decimal-leading-zero);
  color: var(--red-on-light);
  font-family: var(--mono);
  font-size: .62rem;
  padding-top: .18rem;
}

.article-toc a:hover { color: var(--ink); }

.article-body {
  width: 100%;
  max-width: 52rem;
}

.article-section,
.article-faq {
  scroll-margin-top: 2rem;
  padding: clamp(3rem, 6vw, 5.5rem) 0;
  border-top: 1px solid var(--line);
}

.article-section:first-child { padding-top: 0; border-top: 0; }

.article-section h2,
.article-faq h2 {
  max-width: 20ch;
  margin-bottom: 1.8rem;
  font-size: clamp(1.75rem, 3.3vw, 3.25rem);
  line-height: 1.07;
  text-wrap: balance;
}

.article-section p,
.article-faq details p {
  max-width: 72ch;
  margin: 0 0 1.25rem;
  font-size: clamp(1.02rem, 1.25vw, 1.14rem);
  line-height: 1.72;
}

.article-section p:last-child { margin-bottom: 0; }

.article-section ul {
  display: grid;
  gap: .7rem;
  margin: 1.8rem 0 0;
  padding: 0;
  list-style: none;
}

.article-section li {
  position: relative;
  padding: .85rem 1rem .85rem 2.6rem;
  border-top: 1px solid var(--line);
  line-height: 1.5;
}

.article-section li::before {
  content: '→';
  position: absolute;
  left: .25rem;
  color: var(--red-on-light);
  font-family: var(--mono);
}

.article-faq details { border-top: 1px solid var(--line); }
.article-faq details:last-child { border-bottom: 1px solid var(--line); }

.article-faq summary {
  min-height: 66px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: .9rem 0;
  font-size: 1.04rem;
  font-weight: 650;
  list-style: none;
  cursor: pointer;
}

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

.article-faq summary span {
  display: grid;
  width: 2.25rem;
  height: 2.25rem;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--red-on-light);
  transition: transform .24s var(--ease), background .18s ease, color .18s ease;
}

.article-faq details[open] summary span {
  background: var(--ink);
  color: var(--white);
  transform: rotate(45deg);
}

.article-faq details p { padding: .2rem 3.25rem 1.4rem 0; }

.article-author {
  display: grid;
  grid-template-columns: minmax(8rem, 12rem) 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: end;
  margin-top: clamp(4rem, 8vw, 7rem);
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.article-author img {
  display: block;
  width: 100%;
  height: auto;
  filter: grayscale(1) contrast(1.05);
}

.article-author h2 {
  margin: .8rem 0 1rem;
  font-size: clamp(1.5rem, 2.6vw, 2.5rem);
  line-height: 1.05;
}

.article-author p { max-width: 46ch; margin: 0; line-height: 1.58; }

.article-author a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1rem;
  font-family: var(--mono);
  font-size: .66rem;
  text-transform: uppercase;
}

.article-author a span { color: var(--red-on-light); }

.article-related {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(3rem, 6vw, 5rem);
  background: var(--line);
  border: 1px solid var(--line);
}

.article-related a {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem;
  background: var(--paper);
  font-family: var(--mono);
  font-size: .67rem;
  text-transform: uppercase;
  transition: background .18s ease, color .18s ease;
}

.article-related a:hover { background: var(--ink); color: var(--white); }

.article-cta {
  min-height: 14rem;
  display: grid;
  grid-template-columns: 1fr auto;
  align-content: center;
  gap: 1rem 2rem;
  margin-top: 1px;
  padding: clamp(1.5rem, 4vw, 3rem);
  background: var(--red-surface);
  color: var(--ink);
}

.article-cta > span {
  grid-column: 1;
  font-family: var(--mono);
  font-size: .68rem;
  text-transform: uppercase;
}

.article-cta strong {
  grid-column: 1;
  max-width: 14ch;
  font-size: clamp(1.7rem, 3.3vw, 3.2rem);
  line-height: 1.04;
}

.article-cta i {
  grid-column: 2;
  grid-row: 1 / 3;
  align-self: center;
  display: grid;
  width: clamp(3.5rem, 6vw, 5rem);
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid var(--ink);
  border-radius: 50%;
  font-family: var(--mono);
  font-size: 1.25rem;
  font-style: normal;
  transition: background .18s ease, color .18s ease, transform .22s var(--ease);
}

.article-cta:hover i {
  background: var(--ink);
  color: var(--white);
  transform: rotate(8deg);
}

.article-footer {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 2rem;
  padding: 3rem var(--gutter);
  background: var(--ink);
  color: var(--white);
}

.article-footer p {
  justify-self: center;
  margin: 0;
  color: rgba(255, 253, 248, .68);
  font-family: var(--mono);
  font-size: .68rem;
  line-height: 1.6;
}

.article-footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: end;
  gap: 1rem 1.5rem;
  font-size: .7rem;
}

.article-footer nav a { color: rgba(255, 253, 248, .62); }
.article-footer nav a:hover { color: var(--white); }

@media (max-width: 900px) {
  .article-header { grid-template-columns: 1fr auto; }
  .article-header nav { display: none; }
  .articles-index-hero { min-height: auto; grid-template-columns: minmax(0, 1fr); grid-template-rows: auto; gap: 2.5rem; }
  .articles-index-hero > div { grid-column: 1; }
  .article-layout { grid-template-columns: minmax(0, 1fr); }
  .article-aside { position: static; grid-template-columns: minmax(0, 1.25fr) minmax(15rem, .75fr); }
  .article-body { max-width: none; }
  .article-footer { grid-template-columns: 1fr; }
  .article-footer p { justify-self: start; }
  .article-footer nav { justify-content: start; }
}

@media (max-width: 640px) {
  .article-header { min-height: 4.8rem; gap: 1rem; }
  .article-brand img { width: 8.8rem; }
  .article-header-cta { gap: .75rem; padding: .78rem; font-size: .61rem; }
  .articles-index-hero { padding-top: 4.5rem; }
  .articles-index-hero h1 { font-size: clamp(2.8rem, 15vw, 4.6rem); }
  .articles-index-hero > div { align-items: flex-start; flex-direction: column; }
  .articles-grid { grid-template-columns: minmax(0, 1fr); gap: 4.5rem; }
  .article-card-image > span { transform: translateY(0); }
  .article-card-meta { align-items: flex-start; flex-direction: column; gap: .4rem; }
  .article-card-meta span:last-child { text-align: left; }
  .article-hero { padding-top: 2rem; }
  .breadcrumbs { margin-bottom: 3.5rem; }
  .article-kicker { display: grid; grid-template-columns: 1fr auto; gap: .5rem 1rem; }
  .article-kicker time { grid-column: 1 / -1; margin-left: 0; }
  .article-hero h1 { font-size: clamp(2.35rem, 11vw, 4.2rem); }
  .article-intro { margin-left: 0; }
  .article-hero figure { margin-right: calc(var(--gutter) * -1); margin-left: calc(var(--gutter) * -1); border-right: 0; border-left: 0; }
  .article-layout { gap: 4rem; }
  .article-aside { grid-template-columns: minmax(0, 1fr); }
  .article-toc { display: none; }
  .article-section h2, .article-faq h2 { font-size: clamp(1.8rem, 9vw, 2.7rem); }
  .article-author { grid-template-columns: 7.2rem 1fr; align-items: start; }
  .article-author p { grid-column: 1 / -1; }
  .article-related { grid-template-columns: minmax(0, 1fr); }
  .article-cta { min-height: 12rem; }
  .article-footer nav { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}