:root {
  --ink: #171717;
  --muted: #5f6368;
  --line: #e4e4e4;
  --blue: #dcebf7;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  --serif: "Iowan Old Style", "Baskerville", "Times New Roman", serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { margin: 0; color: var(--ink); background: #fff; font-family: var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
img { display: block; }

.skip-link { position: fixed; top: 8px; left: 8px; z-index: 100; padding: 10px 14px; color: #fff; background: #111; transform: translateY(-150%); }
.skip-link:focus { transform: none; }
.blog-header { position: sticky; top: 0; z-index: 20; background: rgba(255, 255, 255, .94); border-bottom: 1px solid var(--line); backdrop-filter: blur(14px); }
.header-wrap { width: min(calc(100% - 48px), 1120px); height: 74px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 30px; margin: auto; }
.blog-brand { display: inline-flex; align-items: center; gap: 10px; width: max-content; text-decoration: none; font-family: var(--serif); font-size: 21px; }
.blog-brand img { width: 31px; height: 31px; border-radius: 8px; }
.header-wrap nav, .footer-wrap nav { display: flex; align-items: center; gap: 30px; }
.header-wrap nav a, .footer-wrap nav a { color: #343434; text-decoration: none; font-size: 14px; }
.header-wrap nav a[aria-current="page"] { font-weight: 650; text-decoration: underline; text-underline-offset: 7px; }
.download-link { justify-self: end; padding: 12px 20px; color: #fff; background: #171717; border-radius: 999px; text-decoration: none; font-size: 14px; font-weight: 650; }

.blog-intro, .articles { width: min(calc(100% - 48px), 1040px); margin: 0 auto; }
.blog-intro { padding: 100px 0 84px; border-bottom: 1px solid var(--line); }
.blog-intro > p:first-child { margin: 0 0 22px; color: #527c9d; font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.blog-intro h1 { max-width: 800px; margin: 0 0 24px; font-size: clamp(52px, 6vw, 76px); line-height: 1.04; letter-spacing: -.055em; }
.blog-summary { max-width: 760px; margin: 0; color: var(--muted); font-size: 21px; line-height: 1.55; }

.articles { padding: 62px 0 120px; }
.articles-heading { display: flex; justify-content: space-between; align-items: baseline; gap: 30px; margin-bottom: 26px; }
.articles-heading h2 { margin: 0; font-size: 26px; letter-spacing: -.025em; }
.articles-heading p { margin: 0; color: var(--muted); font-size: 14px; }
.article-card { max-width: 790px; padding: 38px 0 42px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.article-card + .article-card { border-top: 0; }
.article-card-meta { display: flex; gap: 12px; margin-bottom: 20px; color: #527c9d; font-size: 13px; font-weight: 650; }
.article-card-meta span + span { color: var(--muted); font-weight: 400; }
.article-card h3 { max-width: 680px; margin: 0 0 15px; font-size: clamp(30px, 3.3vw, 42px); line-height: 1.1; letter-spacing: -.04em; }
.article-card h3 a { text-decoration: none; }
.article-card h3 a:hover { text-decoration: underline; text-underline-offset: 5px; }
.article-card > p { max-width: 660px; margin: 0 0 22px; color: var(--muted); font-size: 17px; line-height: 1.65; }
.read-link { font-size: 14px; font-weight: 700; text-decoration: none; }
.read-link span { margin-left: 5px; }

.blog-footer { border-top: 1px solid var(--line); background: #fafafa; }
.footer-wrap { width: min(calc(100% - 48px), 1120px); min-height: 150px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 30px; margin: auto; }
.footer-wrap p { justify-self: end; margin: 0; color: #777; font-size: 13px; }
a:focus-visible { outline: 3px solid #79a7c9; outline-offset: 4px; }

@media (max-width: 820px) {
  .header-wrap { grid-template-columns: 1fr auto; }
  .header-wrap nav { display: none; }
  .footer-wrap { grid-template-columns: 1fr; gap: 22px; padding: 38px 0; }
  .footer-wrap nav { flex-wrap: wrap; }
  .footer-wrap p { justify-self: start; }
}

@media (max-width: 560px) {
  .header-wrap, .blog-intro, .articles, .footer-wrap { width: calc(100% - 32px); }
  .header-wrap { height: 66px; gap: 12px; }
  .blog-brand { font-size: 17px; }
  .blog-brand img { width: 28px; height: 28px; }
  .download-link { padding: 10px 14px; font-size: 13px; }
  .blog-intro { padding: 60px 0 54px; }
  .blog-intro h1 { font-size: 45px; line-height: 1.06; }
  .blog-summary { font-size: 18px; }
  .articles { padding: 48px 0 86px; }
  .articles-heading { display: block; }
  .articles-heading p { margin-top: 8px; }
  .article-card { padding: 32px 0; }
}