.article-main { width: min(1440px, calc(100% - 64px)); margin-inline: auto; }
.article-hero { min-height: 560px; padding: 42px 0 68px; display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: clamp(48px, 8vw, 130px); align-items: end; border-bottom: 1px solid var(--ink); }
.article-heading { max-width: 980px; }
.article-breadcrumb { margin: 0 0 42px; color: var(--muted); font: .66rem var(--mono); letter-spacing: .09em; text-transform: uppercase; }
.article-breadcrumb a:hover { color: var(--green-dark); }
.article-kicker { margin: 0 0 18px; color: var(--green-dark); font: .7rem var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.article-hero h1 { margin: 0; font-family: var(--serif); font-size: clamp(3.3rem, 7vw, 7.4rem); font-weight: 400; line-height: .91; letter-spacing: -.06em; text-wrap: balance; }
.article-lead { max-width: 800px; margin: 38px 0 0; color: var(--soft-ink); font-family: var(--serif); font-size: clamp(1.25rem, 2vw, 1.8rem); line-height: 1.32; }
.article-stamp { padding: 24px; border: 1px solid var(--panel-line); color: var(--panel-text); background: var(--panel-bg); box-shadow: 14px 14px 0 var(--green-light); }
.article-stamp__top { display: flex; justify-content: space-between; padding-bottom: 18px; border-bottom: 1px solid var(--panel-line); color: var(--panel-muted); font: .6rem var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.article-stamp strong { display: block; margin: 28px 0 36px; color: var(--panel-accent); font: 400 clamp(3.5rem, 7vw, 6.4rem)/.8 var(--serif); }
.article-stamp dl { margin: 0; display: grid; gap: 11px; }
.article-stamp div { display: flex; justify-content: space-between; gap: 18px; color: var(--panel-muted); font: .62rem var(--mono); text-transform: uppercase; }
.article-stamp dt, .article-stamp dd { margin: 0; }
.article-stamp dd { color: var(--panel-text); }

.article-layout { display: grid; grid-template-columns: 230px minmax(0, 780px); justify-content: center; gap: clamp(48px, 8vw, 120px); padding: 82px 0 96px; }
.article-toc { align-self: start; position: sticky; top: 28px; padding-top: 8px; }
.article-toc p { margin: 0 0 17px; color: var(--muted); font: .62rem var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.article-toc a { display: block; padding: 9px 0; border-bottom: 1px solid var(--line); color: var(--soft-ink); font-size: .78rem; }
.article-toc a:hover { color: var(--green-dark); }
.article-body { min-width: 0; }
.article-body > :first-child { margin-top: 0; }
.article-body h2 { margin: 72px 0 24px; font-family: var(--serif); font-size: clamp(2rem, 4vw, 3.5rem); font-weight: 400; line-height: 1; letter-spacing: -.045em; }
.article-body h3 { margin: 40px 0 14px; font-size: 1.12rem; }
.article-body p, .article-body li { color: var(--article-ink); font-size: 1.05rem; line-height: 1.82; }
.article-body p { margin: 0 0 24px; }
.article-body ul, .article-body ol { margin: 0 0 30px; padding-left: 24px; }
.article-body li + li { margin-top: 10px; }
.article-body a { color: var(--green-dark); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.article-body strong { color: var(--ink); }
.article-note { margin: 42px 0; padding: 24px 26px; border-left: 3px solid var(--green); background: rgba(111, 143, 120, .1); }
.article-note p { margin: 0; font-family: var(--serif); font-size: 1.2rem; line-height: 1.5; }
.article-body pre { margin: 34px 0; padding: 24px; overflow-x: auto; border: 1px solid var(--panel-line); color: var(--code-text); background: var(--code-bg); font: .78rem/1.7 var(--mono); }
.article-body code { font-family: var(--mono); }
.article-body :not(pre) > code { padding: 2px 5px; background: rgba(62, 94, 72, .1); font-size: .88em; }
.comparison { width: 100%; margin: 34px 0; border-collapse: collapse; font-size: .8rem; }
.comparison th, .comparison td { padding: 14px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.comparison th { color: var(--green-dark); font: .62rem var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.source-list { margin-top: 78px; padding-top: 30px; border-top: 1px solid var(--ink); }
.source-list h2 { margin-top: 0; font-size: 2rem; }
.source-list li { font-size: .88rem; }
.article-nav { margin-inline: calc((100vw - min(1440px, calc(100vw - 64px))) / -2); padding: 0 max(32px, calc((100vw - 1440px) / 2)); display: grid; grid-template-columns: 1fr 1fr; border-block: 1px solid var(--panel-line); color: var(--panel-text); background: var(--panel-bg); }
.article-nav a { min-height: 190px; padding: 38px 0; display: flex; flex-direction: column; justify-content: space-between; border-right: 1px solid var(--panel-line); }
.article-nav a + a { padding-left: 42px; border-right: 0; }
.article-nav small { color: var(--panel-muted); font: .62rem var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.article-nav strong { max-width: 520px; font-family: var(--serif); font-size: clamp(1.35rem, 2.2vw, 2.25rem); font-weight: 400; line-height: 1.05; }
.article-nav a:hover strong { color: var(--panel-accent); }
.article-nav .is-empty { min-height: 190px; border-right: 1px solid var(--panel-line); }

@media (max-width: 980px) {
  .article-hero { grid-template-columns: 1fr; }
  .article-stamp { width: min(440px, calc(100% - 14px)); justify-self: end; }
  .article-layout { grid-template-columns: 1fr; }
  .article-toc { position: static; display: grid; grid-template-columns: 1fr 1fr; gap: 0 22px; }
  .article-toc p { grid-column: 1 / -1; }
}

@media (max-width: 680px) {
  .article-main { width: calc(100% - 32px); }
  .article-hero { min-height: auto; padding: 28px 0 58px; gap: 46px; }
  .article-breadcrumb { margin-bottom: 30px; }
  .article-hero h1 { font-size: clamp(2.85rem, 14vw, 5.2rem); }
  .article-lead { margin-top: 28px; }
  .article-layout { padding: 58px 0 72px; gap: 48px; }
  .article-toc { grid-template-columns: 1fr; }
  .article-body h2 { margin-top: 56px; }
  .article-body p, .article-body li { font-size: 1rem; }
  .comparison { display: block; overflow-x: auto; white-space: nowrap; }
  .article-nav { margin-inline: -16px; padding: 0 16px; grid-template-columns: 1fr; }
  .article-nav a, .article-nav a + a { min-height: 150px; padding: 28px 0; border-right: 0; border-bottom: 1px solid var(--panel-line); }
  .article-nav .is-empty { display: none; }
}