:root {
  --paper: #f7f6f2;
  --paper-deep: #eeece6;
  --ink: #10100f;
  --ink-soft: #6f6f6a;
  --ink-faint: #a3a29d;
  --orange: #e9672a;
  --line: rgba(16, 16, 15, 0.16);
  --shell: 1440px;
  --header-height: 78px;
  --sans: "Instrument Sans", "Helvetica Neue", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
}

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

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 200;
  padding: 12px 16px;
  background: var(--ink);
  color: var(--paper);
  font: 500 0.72rem/1 var(--mono);
  text-decoration: none;
  text-transform: uppercase;
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: none;
}

.blog-shell {
  width: min(100%, var(--shell));
  margin-inline: auto;
  padding-inline: clamp(22px, 4vw, 68px);
}

.blog-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  display: grid;
  grid-template-columns: minmax(120px, 1fr) auto minmax(120px, 1fr);
  align-items: center;
  gap: 30px;
  padding-inline: clamp(22px, 3.4vw, 54px);
  background: color-mix(in srgb, var(--paper) 96%, transparent);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.blog-brand {
  width: 106px;
  height: 52px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.blog-brand img {
  width: 106px;
  height: auto;
  transform: scale(1.16);
  transform-origin: center;
}

.blog-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(24px, 3vw, 48px);
}

.blog-nav a,
.blog-header-cta,
.post-meta,
.eyebrow,
.toc-title,
.post-number,
.blog-footer {
  font-family: var(--mono);
  font-weight: 500;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.blog-nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: color-mix(in srgb, var(--ink) 70%, transparent);
  font-size: 0.68rem;
  text-decoration: none;
}

.blog-nav a[aria-current="page"] {
  color: var(--ink);
  box-shadow: inset 0 -1px var(--ink);
}

.blog-header-cta {
  justify-self: end;
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 19px;
  background: var(--ink);
  color: var(--paper);
  font-size: 0.68rem;
  text-decoration: none;
}

.blog-main {
  padding-block: clamp(32px, 4vw, 56px);
}

.blog-index-main {
  padding-block: 16px 0;
}

.blog-index-hero {
  display: grid;
  grid-template-columns: minmax(180px, 0.45fr) minmax(0, 1.55fr);
  gap: clamp(24px, 5vw, 72px);
  align-items: end;
  padding-bottom: 16px;
}

.eyebrow,
.post-number,
.toc-title {
  color: var(--ink-soft);
  font-size: 0.65rem;
  line-height: 1.5;
}

.blog-index-hero h1 {
  max-width: 12ch;
  font-size: clamp(3.25rem, 7vw, 7rem);
  font-weight: 400;
  letter-spacing: -0.065em;
  line-height: 0.92;
}

.featured-post {
  padding-block: 16px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.featured-copy {
  display: grid;
  grid-template-columns: minmax(130px, 0.4fr) minmax(0, 1.6fr);
  gap: clamp(24px, 4vw, 64px);
}

.post-meta {
  color: var(--ink-soft);
  font-size: 0.63rem;
  line-height: 1.7;
}

.featured-copy h2 {
  max-width: 14ch;
  font-size: clamp(2.4rem, 5.2vw, 5.4rem);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.96;
}

.featured-copy h2 a {
  text-decoration: none;
}

.featured-copy h2 a:hover {
  color: var(--orange);
}

.featured-summary {
  max-width: 680px;
  margin-top: 16px;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 1.4vw, 1.22rem);
  line-height: 1.55;
}

.read-link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  margin-top: 22px;
  font: 500 0.68rem/1 var(--mono);
  letter-spacing: 0.09em;
  text-decoration: none;
  text-transform: uppercase;
}

.read-link:hover {
  color: var(--orange);
}

.article-hero {
  padding-bottom: 16px;
}

.article-hero h1 {
  max-width: 12ch;
  margin-top: clamp(16px, 2vw, 24px);
  font-size: clamp(3.5rem, 7.6vw, 7.6rem);
  font-weight: 400;
  letter-spacing: -0.068em;
  line-height: 0.9;
  text-wrap: balance;
}

.article-dek {
  max-width: 760px;
  margin-top: clamp(20px, 2.5vw, 28px);
  color: var(--ink-soft);
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  line-height: 1.42;
}

.article-meta {
  margin-top: 18px;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(180px, 0.42fr) minmax(0, 1.58fr);
  gap: clamp(28px, 5vw, 72px);
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.article-toc {
  position: sticky;
  top: calc(var(--header-height) + 28px);
  align-self: start;
  display: grid;
  gap: 14px;
}

.article-toc ol {
  display: grid;
  gap: 11px;
  list-style: none;
}

.article-toc a {
  color: var(--ink-soft);
  font-size: 0.85rem;
  line-height: 1.35;
  text-decoration: none;
}

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

.article-body {
  width: min(100%, 790px);
}

.article-body p {
  margin-bottom: 0.9em;
  color: color-mix(in srgb, var(--ink) 82%, var(--paper));
  font-size: clamp(1.08rem, 1.45vw, 1.24rem);
  line-height: 1.72;
}

.article-body > p:first-child {
  color: var(--ink);
  font-size: clamp(1.35rem, 2.2vw, 1.8rem);
  letter-spacing: -0.025em;
  line-height: 1.4;
}

.article-body p:has(+ h2) {
  margin-bottom: 0;
}

.article-body h2 {
  margin: 20px 0 10px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: clamp(2.25rem, 4.6vw, 4.4rem);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.98;
  scroll-margin-top: calc(var(--header-height) + 24px);
}

.article-body a {
  text-decoration-color: color-mix(in srgb, var(--orange) 70%, transparent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
}

.article-body a:hover {
  color: var(--orange);
}

.article-end {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  margin-top: clamp(24px, 3vw, 40px);
  padding-block: 24px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.article-end p {
  max-width: 620px;
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.25rem, 2vw, 1.55rem);
  line-height: 1.35;
}

.article-end a {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  padding: 0 18px;
  background: var(--ink);
  color: var(--paper);
  font: 500 0.67rem/1 var(--mono);
  letter-spacing: 0.09em;
  text-decoration: none;
  text-transform: uppercase;
}

.blog-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 18px;
  margin-top: clamp(40px, 5vw, 64px);
  padding: 24px 0 28px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.64rem;
}

.blog-index-main .blog-footer {
  margin-top: 16px;
  padding-block: 16px;
}

.blog-footer div {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.blog-footer a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.blog-footer a:hover {
  color: var(--orange);
}

@media (max-width: 860px) {
  .blog-header {
    grid-template-columns: 1fr auto;
  }

  .blog-nav {
    display: none;
  }

  .blog-index-hero,
  .featured-copy,
  .article-layout {
    grid-template-columns: 1fr;
  }

  .blog-index-hero,
  .featured-copy {
    gap: 12px;
  }

  .article-toc {
    position: static;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--line);
  }

  .article-toc ol {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  :root {
    --header-height: 72px;
  }

  .blog-shell {
    padding-inline: 18px;
  }

  .blog-header {
    padding-inline: 18px;
  }

  .blog-brand,
  .blog-brand img {
    width: 94px;
  }

  .blog-header-cta {
    min-height: 44px;
    padding-inline: 14px;
  }

  .blog-main {
    padding-block: 28px;
  }

  .blog-index-main {
    padding-block: 16px 0;
  }

  .blog-index-hero h1 {
    font-size: clamp(3rem, 15vw, 4.4rem);
  }

  .article-hero h1 {
    font-size: clamp(3rem, 15vw, 4.35rem);
  }

  .article-dek {
    font-size: 1.2rem;
  }

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

  .article-body p {
    font-size: 1.05rem;
  }

  .article-body h2 {
    font-size: 2.4rem;
  }

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

  .article-end a {
    justify-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}