:root {
  --ink: #0c0c0c;
  --paper: #fff;
  --soft: #f2f2f2;
  --line: rgba(12, 12, 12, 0.19);
  --muted: #656565;
  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
:focus-visible { outline: 3px solid #3b78e7; outline-offset: 4px; }

.skip-link { position: fixed; z-index: 100; top: 8px; left: 8px; padding: 10px 14px; color: #fff; background: var(--ink); transform: translateY(-160%); }
.skip-link:focus { transform: none; }

.blog-nav {
  position: sticky;
  z-index: 50;
  top: 14px;
  width: min(1280px, calc(100% - 64px));
  min-height: 58px;
  margin: 14px auto 0;
  padding: 0 18px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 30px;
  background: rgba(242, 242, 242, 0.94);
  border-radius: 999px;
  backdrop-filter: blur(16px);
}

.brand { width: max-content; display: inline-flex; align-items: center; gap: 8px; font-size: 25px; font-weight: 800; letter-spacing: -0.07em; }
.brand img { width: 38px; height: 38px; object-fit: contain; }
.blog-site-links { justify-self: center; display: flex; align-items: center; gap: 30px; font-size: 13px; }
.blog-account-links { justify-self: end; display: flex; align-items: center; gap: 20px; font-size: 13px; }
.blog-account-links a:last-child { display: inline-flex; align-items: center; gap: 9px; font-weight: 700; }
.blog-nav a { transition: opacity 150ms ease; }
.blog-nav a:hover { opacity: 0.5; }

.article-shell { width: min(1280px, calc(100% - 64px)); margin-inline: auto; }
.article-hero { padding: 90px 0 70px; }
.eyebrow { margin: 0 0 26px; color: var(--muted); font-size: 13px; }
h1 { max-width: 1120px; margin: 0; font-size: clamp(58px, 7.2vw, 104px); font-weight: 500; line-height: 0.94; letter-spacing: -0.07em; }
.hero-deck { width: min(650px, 54%); margin: 52px 0 0 auto; }
.standfirst { margin: 0; font-size: clamp(18px, 1.7vw, 23px); line-height: 1.35; letter-spacing: -0.025em; }
.meta { margin-top: 30px; padding-top: 18px; display: flex; flex-wrap: wrap; gap: 12px 28px; color: var(--muted); border-top: 1px solid var(--line); font-size: 12px; }
.meta strong { color: var(--ink); font-weight: 600; }

.hero-image { margin: 0 0 84px; }
.hero-image img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; background: var(--soft); }
.hero-image figcaption { margin-top: 10px; color: var(--muted); font-size: 11px; }
.text-article-rule { margin: 0 0 84px; border: 0; border-top: 1px solid var(--ink); }

.article-layout { display: grid; grid-template-columns: 220px minmax(0, 760px); justify-content: space-between; gap: 80px; padding-bottom: 110px; }
.article-aside { align-self: start; position: sticky; top: 100px; color: var(--muted); font-size: 12px; line-height: 1.45; }
.article-aside strong { display: block; margin-bottom: 14px; color: var(--ink); font-size: 11px; text-transform: uppercase; letter-spacing: 0.09em; }
.article-aside a { display: block; padding: 6px 0; }
.article-aside a:hover { color: var(--ink); }

.article-body { font-size: 19px; line-height: 1.62; letter-spacing: -0.015em; }
.article-body > :first-child { margin-top: 0; }
.article-body p { margin: 0 0 1.35em; }
.article-body h2 { margin: 2.15em 0 0.65em; font-size: clamp(32px, 3.5vw, 50px); font-weight: 500; line-height: 1.02; letter-spacing: -0.055em; }
.article-body h3 { margin: 1.9em 0 0.55em; font-size: 23px; font-weight: 600; letter-spacing: -0.03em; }
.article-body ul, .article-body ol { margin: 0 0 1.5em; padding-left: 1.25em; }
.article-body li { margin-bottom: 0.55em; }
.article-body blockquote { margin: 2.2em 0; padding: 0 0 0 24px; border-left: 1px solid var(--ink); font-size: clamp(25px, 2.5vw, 36px); line-height: 1.2; letter-spacing: -0.045em; }

.article-cta { margin-top: 70px; padding: 32px; background: var(--soft); }
.article-cta p { margin-bottom: 22px; }
.article-cta a { display: inline-flex; gap: 20px; padding: 14px 16px; color: #fff; background: var(--ink); font-size: 13px; font-weight: 700; }

.related { padding: 42px 0 80px; border-top: 1px solid var(--ink); }
.related h2 { margin: 0 0 30px; font-size: 14px; font-weight: 500; }
.related-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.related article { padding-top: 18px; border-top: 1px solid var(--line); }
.related span { color: var(--muted); font-size: 11px; }
.related h3 { margin: 10px 0 0; font-size: clamp(23px, 2.5vw, 34px); font-weight: 500; line-height: 1.08; letter-spacing: -0.045em; }

.blog-index-shell, .blog-index-footer { width: min(1280px, calc(100% - 64px)); margin-inline: auto; }
.blog-index-hero { padding: 90px 0 100px; }
.blog-index-hero > p:last-child { width: min(610px, 54%); margin: 48px 0 0 auto; font-size: clamp(18px, 1.7vw, 23px); line-height: 1.35; letter-spacing: -0.025em; }
.blog-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 80px 24px; padding: 0 0 120px; }
.blog-card { display: grid; gap: 22px; }
.blog-card-image { display: block; overflow: hidden; background: var(--soft); }
.blog-card-image img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; transition: transform 300ms ease; }
.blog-card:hover .blog-card-image img { transform: scale(1.015); }
.blog-card span { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; }
.blog-card h2 { margin: 10px 0 12px; font-size: clamp(30px, 3.3vw, 48px); font-weight: 500; line-height: 1.02; letter-spacing: -0.055em; }
.blog-card p { max-width: 520px; margin: 0; color: var(--muted); font-size: 15px; line-height: 1.5; }
.blog-index-footer { min-height: 180px; display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: center; gap: 30px; border-top: 1px solid var(--ink); }
.blog-index-footer p { margin: 0; color: var(--muted); font-size: 11px; }
.blog-index-footer nav { justify-self: end; display: flex; gap: 18px; font-size: 11px; }
.library-tools { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 16px; margin-bottom: 52px; padding-top: 24px; border-top: 1px solid var(--ink); }
.library-search { width: 100%; padding: 14px 0; color: var(--ink); background: transparent; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; font: inherit; font-size: 18px; }
.library-count { align-self: center; color: var(--muted); font-size: 12px; }
.library-list { margin: 0 0 120px; border-top: 1px solid var(--line); }
.library-row { display: grid; grid-template-columns: 52px 170px minmax(0, 1fr) auto; align-items: baseline; gap: 20px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.library-row > span { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; }
.library-row h2 { margin: 0; font-size: clamp(24px, 2.5vw, 38px); font-weight: 500; line-height: 1.05; letter-spacing: -0.045em; }
.library-row p { max-width: 360px; margin: 0; color: var(--muted); font-size: 12px; line-height: 1.45; }
.library-row[hidden] { display: none; }

@media (max-width: 820px) {
  .blog-nav, .article-shell { width: calc(100% - 28px); }
  .blog-nav { top: 8px; min-height: 52px; grid-template-columns: 1fr auto; margin-top: 8px; padding-inline: 12px; }
  .brand { font-size: 21px; }
  .blog-site-links, .blog-account-links a:first-child { display: none; }
  .blog-account-links { font-size: 11px; }
  .article-hero { padding: 55px 0 55px; }
  h1 { font-size: clamp(49px, 14.6vw, 74px); }
  .hero-deck { width: 100%; margin-top: 38px; }
  .hero-image { margin-bottom: 58px; }
  .text-article-rule { margin-bottom: 58px; }
  .hero-image img { aspect-ratio: 4 / 5; object-position: center; }
  .article-layout { grid-template-columns: 1fr; gap: 0; padding-bottom: 80px; }
  .article-aside { display: none; }
  .article-body { font-size: 18px; }
  .article-cta { padding: 24px; }
  .related-grid { grid-template-columns: 1fr; }
  .blog-index-shell, .blog-index-footer { width: calc(100% - 28px); }
  .blog-index-hero { padding: 55px 0 70px; }
  .blog-index-hero > p:last-child { width: 100%; margin-top: 38px; }
  .blog-grid { grid-template-columns: 1fr; gap: 58px; padding-bottom: 80px; }
  .blog-card-image img { aspect-ratio: 4 / 3; }
  .blog-index-footer { min-height: 220px; grid-template-columns: 1fr; align-content: center; gap: 20px; }
  .blog-index-footer nav { justify-self: start; flex-wrap: wrap; }
  .library-tools { grid-template-columns: 1fr; }
  .library-row { grid-template-columns: 36px 1fr; gap: 8px 14px; }
  .library-row > span:nth-child(2) { grid-column: 2; }
  .library-row h2 { grid-column: 2; }
  .library-row p { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}