:root {
  color-scheme: light;
  --bg: #ffffff;
  --surface: #f6f6f7;
  --ink: #18181b;
  --ink-2: #52525b;
  --ink-3: #8b8b93;
  --line: #e4e4e7;
  --accent: #c8102e;
  --radius: 10px;
  --radius-sm: 6px;
  --max: 1040px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #101114;
    --surface: #181a1f;
    --ink: #f2f2f4;
    --ink-2: #b4b4bd;
    --ink-3: #85858f;
    --line: #272931;
    --accent: #ff6b7d;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  color: var(--accent);
}

svg {
  display: block;
  max-width: 100%;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

::selection {
  background: var(--accent);
  color: #fff;
}

.container {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

.container--narrow {
  max-width: 780px;
}

main {
  padding-block: 0 3.5rem;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 20;
  padding: 0.6rem 1rem;
  background: var(--ink);
  color: var(--bg);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}

.skip-link:focus {
  top: 0;
  color: var(--bg);
}

.eyebrow {
  margin: 0;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.kicker {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: hsl(var(--h, 0) 55% 38%);
}

@media (prefers-color-scheme: dark) {
  .kicker {
    color: hsl(var(--h, 0) 65% 70%);
  }
}

.topbar {
  border-bottom: 1px solid var(--line);
  font-size: 0.75rem;
  color: var(--ink-3);
}

.topbar__inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.45rem;
}

.topbar__inner p {
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.masthead {
  padding-block: 1.1rem 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  flex: none;
  border-radius: var(--radius-sm);
  background: var(--ink);
  color: var(--bg);
  font-size: 0.9rem;
  font-weight: 700;
}

.brand__text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.brand__name {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.brand__tagline {
  font-size: 0.75rem;
  color: var(--ink-3);
}

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg);
  border-block: 1px solid var(--line);
}

.nav__inner {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  overflow-x: auto;
  scrollbar-width: none;
}

.nav__inner::-webkit-scrollbar {
  display: none;
}

.nav__inner a {
  padding: 0.75rem 0.8rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink-2);
  white-space: nowrap;
  border-bottom: 2px solid transparent;
}

.nav__inner a:first-child {
  padding-left: 0;
}

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

.nav__inner a.is-active {
  color: var(--ink);
  font-weight: 600;
  border-bottom-color: var(--accent);
}

.cover {
  position: relative;
  display: block;
  overflow: hidden;
  background: hsl(var(--h, 212) 55% 93%);
  color: hsl(var(--h, 212) 45% 32%);
}

@media (prefers-color-scheme: dark) {
  .cover {
    background: hsl(var(--h, 212) 22% 20%);
    color: hsl(var(--h, 212) 40% 82%);
  }
}

.cover__lines {
  display: none;
}

.cover__mono {
  position: absolute;
  right: 0.5em;
  bottom: 0.1em;
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.04em;
  opacity: 0.35;
}

.cover--card {
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-sm);
}

.cover--wide {
  aspect-ratio: 21 / 9;
  border-radius: var(--radius);
}

.cover--hero {
  position: absolute;
  inset: 0;
}

.hero {
  margin-top: clamp(1.25rem, 3vw, 2rem);
}

.hero-card {
  position: relative;
  display: block;
  min-height: clamp(280px, 34vw, 380px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.hero-card:hover {
  color: var(--ink);
}

.hero-card__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 0.5rem;
  padding: clamp(1.25rem, 3vw, 2rem);
}

.hero-card__title {
  max-width: 24ch;
  font-size: clamp(1.5rem, 3.2vw, 2.2rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.hero-card:hover .hero-card__title {
  color: var(--accent);
}

.hero-card__excerpt {
  max-width: 52ch;
  font-size: 0.9rem;
  color: var(--ink-2);
}

.hero-card__meta {
  font-size: 0.75rem;
  color: var(--ink-3);
}

.badge {
  align-self: flex-start;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.channel {
  margin-top: clamp(2rem, 5vw, 3rem);
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.25rem 1rem;
  margin-bottom: 1.1rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--line);
}

.section-head h2 {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0;
  font-size: clamp(1.15rem, 2.4vw, 1.35rem);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.section-head__bar {
  display: block;
  width: 3px;
  height: 1.1em;
  border-radius: 2px;
  background: hsl(var(--h, 0) 55% 45%);
}

.section-head p {
  flex: 1 1 16rem;
  margin: 0;
  font-size: 0.85rem;
  color: var(--ink-2);
}

.section-head a {
  margin-left: auto;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ink-2);
  text-decoration: underline;
  text-underline-offset: 3px;
  white-space: nowrap;
}

.section-head a:hover {
  color: var(--accent);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.25rem, 2.5vw, 2rem);
}

.card {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  min-width: 0;
}

.card:hover .card__title {
  color: var(--accent);
}

.card__body {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.card__title {
  font-size: clamp(1rem, 1.7vw, 1.15rem);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.card__excerpt {
  font-size: 0.875rem;
  color: var(--ink-2);
}

.card__meta {
  margin-top: 0.1rem;
  font-size: 0.75rem;
  color: var(--ink-3);
}

.breadcrumbs {
  margin-top: 1.25rem;
  font-size: 0.78rem;
  color: var(--ink-3);
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumbs li {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.breadcrumbs li + li::before {
  content: "/";
  color: var(--ink-3);
}

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

.breadcrumbs span {
  display: block;
  max-width: 46ch;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  color: var(--ink-2);
}

.channel-header {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2rem);
  margin: 1.25rem 0 clamp(1.5rem, 4vw, 2.25rem);
  padding: clamp(1.25rem, 3vw, 1.75rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.channel-header__mark {
  display: grid;
  place-items: center;
  flex: none;
  width: clamp(64px, 10vw, 88px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: hsl(var(--h) 55% 90%);
  color: hsl(var(--h) 50% 32%);
  font-size: clamp(1rem, 2.2vw, 1.3rem);
  font-weight: 700;
}

@media (prefers-color-scheme: dark) {
  .channel-header__mark {
    background: hsl(var(--h) 24% 24%);
    color: hsl(var(--h) 45% 80%);
  }
}

.channel-header h1 {
  margin: 0.15rem 0 0;
  font-size: clamp(1.5rem, 3.4vw, 2rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.channel-header__desc {
  max-width: 62ch;
  margin: 0.6rem 0 0;
  font-size: 0.9rem;
  color: var(--ink-2);
}

.channel-header__count {
  margin: 0.6rem 0 0;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.article {
  margin-top: 1.25rem;
}

.article__header h1 {
  margin: 0.5rem 0 0;
  font-size: clamp(1.7rem, 4.2vw, 2.4rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.article__deck {
  margin: 0.85rem 0 1.2rem;
  font-size: 1rem;
  line-height: 1.55;
  color: var(--ink-2);
}

.byline {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.3rem 1rem;
  margin: 0;
  padding-top: 0.9rem;
  border-top: 1px solid var(--line);
  font-size: 0.78rem;
  color: var(--ink-3);
}

.byline strong {
  font-size: 0.85rem;
  color: var(--ink);
}

.article__cover {
  margin: clamp(1.25rem, 3vw, 2rem) 0;
}

.article__body {
  max-width: 68ch;
  font-size: 1.02rem;
  line-height: 1.75;
}

.article__body p {
  margin: 0 0 1.1em;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 1.75rem 0 0;
  padding: 0;
  list-style: none;
}

.tags li {
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.72rem;
  color: var(--ink-2);
}

.related {
  margin-top: 2rem;
  padding: 1.1rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.related .eyebrow {
  margin-bottom: 0.6rem;
}

.related__link {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.related__link strong {
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.3;
}

.related__meta {
  font-size: 0.75rem;
  color: var(--ink-3);
}

.empty {
  margin-top: 3rem;
  padding: clamp(1.5rem, 5vw, 2.5rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.empty__code {
  margin: 0;
  font-size: clamp(2.5rem, 8vw, 4rem);
  font-weight: 700;
  line-height: 1;
  color: var(--ink-3);
}

.empty h1 {
  margin: 0.4rem 0 0.6rem;
  font-size: clamp(1.4rem, 3.6vw, 1.9rem);
  letter-spacing: -0.02em;
}

.empty p {
  margin: 0 0 1.1rem;
  color: var(--ink-2);
}

.btn {
  display: inline-block;
  padding: 0.55rem 1.15rem;
  border-radius: 999px;
  background: var(--ink);
  color: var(--bg);
  font-size: 0.85rem;
  font-weight: 600;
}

.btn:hover {
  color: var(--bg);
  opacity: 0.85;
}

.site-footer {
  margin-top: 2rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--line);
  background: var(--surface);
  font-size: 0.85rem;
  color: var(--ink-2);
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.25rem;
  padding-bottom: 1.5rem;
}

.footer__name {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
}

.footer__inner p {
  margin: 0.3rem 0 0;
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.1rem;
}

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

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.4rem;
  padding-block: 1rem 1.4rem;
  border-top: 1px solid var(--line);
  font-size: 0.75rem;
  color: var(--ink-3);
}

.footer__bottom p {
  margin: 0;
}

@media (max-width: 760px) {
  .card-grid {
    grid-template-columns: 1fr;
  }

  .section-head a {
    margin-left: 0;
  }

  .channel-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .topbar__inner p:last-child {
    display: none;
  }

  .footer__inner,
  .footer__bottom {
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .brand__tagline {
    display: none;
  }

  .hero-card__excerpt {
    display: none;
  }

  .article__body {
    font-size: 1rem;
  }
}