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

html {
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
}

body.blog-root {
  margin: 0;
  min-height: 100vh;
  color: var(--fg-1);
  background: var(--bg-1);
  font-family: var(--font-sans);
  font-size: var(--t-body);
  line-height: var(--lh-body);
  letter-spacing: var(--tr-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.blog-root a {
  color: inherit;
  text-decoration: none;
}

.blog-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-6);
  min-height: 76px;
  padding: 20px var(--page-pad-x);
  background: rgba(247, 246, 242, 0.88);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(var(--backdrop-blur));
  -webkit-backdrop-filter: blur(var(--backdrop-blur));
}

.blog-brand img {
  display: block;
  width: clamp(150px, 15vw, 205px);
  height: auto;
  transform: rotate(1.5deg);
}

.blog-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 40px);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: var(--w-medium);
  letter-spacing: var(--tr-eyebrow);
  text-transform: uppercase;
}

.blog-nav a {
  transition: color var(--d-fast) var(--ease);
}

.blog-nav a:hover,
.blog-nav a:focus-visible {
  color: var(--ember);
}

.blog-nav__cta {
  padding: 10px 13px;
  border: 1px solid var(--rule-strong);
  border-radius: var(--r-sm);
}

.blog-nav__cta:hover,
.blog-nav__cta:focus-visible {
  color: var(--paper) !important;
  background: var(--ink);
}

.blog-index,
.article-page {
  width: 100%;
  max-width: 1500px;
  margin: 0 auto;
  padding: 0 var(--page-pad-x);
}

.index-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 30%);
  gap: var(--s-8);
  align-items: end;
  min-height: min(760px, 88vh);
  padding: clamp(150px, 23vh, 260px) 0 var(--s-9);
  border-bottom: 1px solid var(--rule-strong);
}

.index-hero__eyebrow,
.article-kicker,
.article-date,
.card-date,
.footer-label,
.article-nav__label {
  margin: 0;
  color: var(--fg-3);
  font-family: var(--font-mono);
  font-size: var(--t-micro);
  font-weight: var(--w-medium);
  letter-spacing: var(--tr-eyebrow);
  text-transform: uppercase;
}

.index-hero h1 {
  max-width: 920px;
  margin: var(--s-5) 0 0;
  font-size: clamp(64px, 9vw, 140px);
  font-weight: var(--w-bold);
  letter-spacing: var(--tr-display);
  line-height: 0.9;
  text-wrap: balance;
}

.index-hero h1 em,
.article-title em,
.footer-cta h2 em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0;
}

.index-hero__intro {
  margin: 0;
  color: var(--fg-2);
  font-size: var(--t-body-lg);
  line-height: 1.45;
  text-wrap: pretty;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--s-6);
  padding: var(--s-9) 0 var(--s-10);
}

.article-card {
  grid-column: span 6;
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--rule-strong);
  transition: color var(--d-fast) var(--ease);
}

.article-card--featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(300px, 5fr);
  gap: var(--s-7);
  align-items: stretch;
}

.article-card--featured > * {
  min-width: 0;
}

.article-card--featured .article-card__image {
  width: 100%;
  height: 100%;
  min-height: 520px;
  aspect-ratio: auto;
}

.article-card--featured .article-card__copy {
  position: relative;
  z-index: 1;
  background: var(--bg-1);
}

.article-card:hover,
.article-card:focus-within {
  color: var(--ember);
}

.article-card__image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  margin-top: var(--s-4);
  background: var(--bg-3);
}

.article-card:not(.article-card--featured) .article-card__image {
  aspect-ratio: 3 / 2;
}

.article-card__image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  transition: filter var(--d-base) var(--ease), transform var(--d-slow) var(--ease);
}

.article-card:hover .article-card__image img,
.article-card:focus-within .article-card__image img {
  filter: grayscale(0%);
  transform: scale(1.015);
}

.article-card__copy {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: var(--s-5) 0 var(--s-8);
}

.article-card--featured .article-card__copy {
  justify-content: flex-end;
  padding-top: var(--s-10);
}

.article-card h2 {
  margin: var(--s-4) 0 var(--s-4);
  color: var(--fg-1);
  font-size: clamp(28px, 3.2vw, 50px);
  font-weight: var(--w-medium);
  letter-spacing: -0.025em;
  line-height: 1.02;
  text-wrap: balance;
}

.article-card:not(.article-card--featured) h2 {
  font-size: clamp(25px, 2.5vw, 38px);
}

.article-card__excerpt {
  max-width: 56ch;
  margin: 0;
  color: var(--fg-2);
  text-wrap: pretty;
}

.article-card__arrow {
  display: inline-block;
  margin-top: auto;
  padding-top: var(--s-6);
  color: var(--fg-1);
  font-family: var(--font-mono);
  font-size: 16px;
}

.article-hero {
  display: grid;
  grid-template-columns: minmax(320px, 5fr) minmax(0, 7fr);
  gap: clamp(40px, 7vw, 112px);
  align-items: stretch;
  min-height: min(920px, 100vh);
  padding: 112px 0 var(--s-9);
}

.article-hero__media {
  position: relative;
  margin: 0;
  min-height: 620px;
  overflow: hidden;
  background: var(--bg-3);
}

.article-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
}

.article-image-credit {
  position: absolute;
  right: 12px;
  bottom: 10px;
  padding: 6px 8px;
  color: rgba(255, 255, 255, 0.78);
  background: rgba(10, 10, 10, 0.56);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: var(--w-medium);
  letter-spacing: 0.04em;
  line-height: 1.2;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.article-image-credit a {
  border-bottom: 1px solid rgba(255, 255, 255, 0.45);
}

.article-hero__intro {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  max-width: 790px;
  padding: var(--s-7) 0;
}

.article-title {
  margin: var(--s-5) 0 var(--s-6);
  font-size: clamp(48px, 6.3vw, 92px);
  font-weight: var(--w-bold);
  letter-spacing: var(--tr-display);
  line-height: 0.96;
  text-wrap: balance;
}

.article-deck {
  max-width: 58ch;
  margin: 0 0 var(--s-7);
  color: var(--fg-2);
  font-size: var(--t-body-lg);
  line-height: 1.45;
  text-wrap: pretty;
}

.article-byline {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--s-4);
  align-items: center;
  padding-top: var(--s-5);
  border-top: 1px solid var(--rule);
}

.article-byline__mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: var(--r-pill);
  color: var(--paper);
  background: var(--ink);
  font-family: var(--font-serif);
  font-size: 20px;
  font-style: italic;
}

.article-byline p {
  margin: 0;
  font-size: var(--t-small);
  font-weight: var(--w-medium);
}

.article-byline span {
  display: block;
  color: var(--fg-3);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: var(--w-medium);
  letter-spacing: var(--tr-cap);
  text-transform: uppercase;
}

.article-body-shell {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(0, 760px);
  gap: clamp(40px, 8vw, 128px);
  padding: var(--s-10) 0;
  border-top: 1px solid var(--rule-strong);
}

.article-body__aside {
  position: sticky;
  top: 112px;
  align-self: start;
}

.article-body__aside p {
  max-width: 22ch;
  margin: var(--s-4) 0 0;
  color: var(--fg-2);
  font-family: var(--font-serif);
  font-size: 24px;
  font-style: italic;
  line-height: 1.25;
}

.article-prose {
  min-width: 0;
  color: var(--fg-2);
  font-size: 18px;
  line-height: 1.7;
}

.article-prose > :first-child {
  margin-top: 0;
}

.article-prose .article-lede {
  margin: 0 0 var(--s-8);
  color: var(--fg-1);
  font-size: clamp(28px, 3.2vw, 42px);
  line-height: 1.14;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

.article-prose h2,
.article-prose h3 {
  margin: var(--s-9) 0 var(--s-4);
  color: var(--fg-1);
  font-weight: var(--w-medium);
  letter-spacing: -0.02em;
  line-height: 1.15;
  text-wrap: balance;
}

.article-prose h2 { font-size: clamp(28px, 3vw, 42px); }
.article-prose h3 { font-size: clamp(24px, 2.2vw, 32px); }

.article-prose p {
  margin: 0 0 1.35em;
}

.article-prose ul,
.article-prose ol {
  margin: 0 0 var(--s-7);
  padding-left: 1.15em;
}

.article-prose li {
  margin: 0.5em 0;
  padding-left: 0.35em;
}

.article-prose strong {
  color: var(--fg-1);
  font-weight: var(--w-medium);
}

.article-prose a {
  color: var(--fg-1);
  border-bottom: 1px solid currentColor;
}

.article-prose a:hover,
.article-prose a:focus-visible {
  color: var(--ember);
}

.article-table-wrap {
  width: 100%;
  min-width: 0;
  max-width: 100%;
  margin: var(--s-6) 0 var(--s-7);
  overflow-x: auto;
  border-top: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule-strong);
}

.article-prose table {
  width: 100%;
  min-width: 580px;
  border-collapse: collapse;
  color: var(--fg-2);
  font-size: 15px;
  line-height: 1.45;
}

.article-prose th,
.article-prose td {
  width: 50%;
  padding: 15px 16px 15px 0;
  border-bottom: 1px solid var(--rule);
  text-align: left;
  vertical-align: top;
}

.article-prose th {
  color: var(--fg-1);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: var(--w-medium);
  letter-spacing: var(--tr-cap);
  text-transform: uppercase;
}

.article-prose tbody tr:last-child td {
  border-bottom: 0;
}

.article-prose .article-pullquote {
  margin: var(--s-8) 0;
  padding: var(--s-6) 0 var(--s-6) var(--s-6);
  color: var(--fg-1);
  border-left: 3px solid var(--ember);
  font-family: var(--font-serif);
  font-size: clamp(30px, 4vw, 48px);
  font-style: italic;
  line-height: 1.08;
}

.article-prose .article-formula {
  margin: var(--s-6) 0 var(--s-7);
  padding: var(--s-5) var(--s-6);
  color: var(--fg-1);
  background: var(--bg-3);
  border-left: 3px solid var(--ember);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: var(--w-medium);
  letter-spacing: 0.01em;
  line-height: 1.5;
}

.article-prose .article-formula p {
  margin: 0;
}

.article-prose .article-table--numbers th:last-child,
.article-prose .article-table--numbers td:last-child {
  text-align: right;
  white-space: nowrap;
}

.article-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule-strong);
}

.article-nav--single {
  grid-template-columns: minmax(0, 1fr);
}

.article-nav a {
  min-height: 260px;
  padding: var(--s-7);
  background-position: center;
  background-size: cover;
  position: relative;
  isolation: isolate;
  color: white;
  overflow: hidden;
}

.article-nav a::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(10, 10, 10, 0.64);
  transition: background var(--d-base) var(--ease);
}

.article-nav a + a {
  border-left: 1px solid var(--paper);
}

.article-nav a:hover::before,
.article-nav a:focus-visible::before {
  background: rgba(10, 10, 10, 0.42);
}

.article-nav__label {
  color: rgba(255, 255, 255, 0.72);
}

.article-nav h2 {
  max-width: 18ch;
  margin: var(--s-5) 0 0;
  font-size: clamp(25px, 3vw, 42px);
  font-weight: var(--w-medium);
  letter-spacing: -0.02em;
  line-height: 1.04;
  text-wrap: balance;
}

.footer-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--s-7);
  align-items: end;
  padding: var(--s-10) var(--page-pad-x);
  color: var(--paper);
  background: var(--ink);
}

.footer-cta h2 {
  max-width: 920px;
  margin: var(--s-5) 0 0;
  font-size: clamp(42px, 7vw, 100px);
  font-weight: var(--w-medium);
  letter-spacing: var(--tr-display);
  line-height: 0.96;
  text-wrap: balance;
}

.footer-cta .footer-label { color: var(--gr-400); }

.footer-cta__link {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  padding: 14px 18px;
  color: var(--paper);
  border: 1px solid var(--paper);
  border-radius: var(--r-sm);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: var(--w-medium);
  letter-spacing: var(--tr-eyebrow);
  text-transform: uppercase;
  white-space: nowrap;
}

.footer-cta__link:hover,
.footer-cta__link:focus-visible {
  color: var(--ink);
  background: var(--paper);
}

.blog-footer {
  display: flex;
  justify-content: space-between;
  gap: var(--s-5);
  padding: var(--s-6) var(--page-pad-x) var(--s-5);
  color: var(--paper);
  background: var(--ink);
  border-top: 1px solid var(--gr-700);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: var(--w-medium);
  letter-spacing: var(--tr-eyebrow);
  text-transform: uppercase;
}

.blog-footer nav {
  display: flex;
  gap: var(--s-5);
}

.blog-footer a:hover,
.blog-footer a:focus-visible { color: var(--ember); }

@media (max-width: 900px) {
  .index-hero {
    grid-template-columns: 1fr;
    gap: var(--s-7);
    min-height: 720px;
  }

  .article-card,
  .article-card--featured {
    grid-column: 1 / -1;
  }

  .article-card--featured {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .article-card--featured .article-card__image {
    height: auto;
    min-height: 0;
    aspect-ratio: 16 / 10;
  }

  .article-card--featured .article-card__copy {
    padding-top: var(--s-5);
  }

  .article-hero {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .article-hero__media {
    min-height: min(70vh, 720px);
  }

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

  .article-body__aside {
    position: static;
  }

  .article-body__aside p { max-width: 38ch; }

  .footer-cta {
    grid-template-columns: 1fr;
    align-items: start;
  }
}

@media (max-width: 620px) {
  .blog-header {
    min-height: 64px;
    padding-top: 15px;
    padding-bottom: 15px;
  }

  .blog-brand img { width: 132px; }
  .blog-nav { gap: var(--s-4); }
  .blog-nav__cta { display: none; }

  .index-hero {
    min-height: 640px;
    padding-top: 130px;
    padding-bottom: var(--s-8);
  }

  .index-hero h1 { font-size: clamp(54px, 19vw, 86px); }

  .article-grid {
    gap: 0;
    padding-top: var(--s-7);
  }

  .article-card__copy { padding-bottom: var(--s-8); }

  .article-hero {
    gap: var(--s-6);
    padding-top: 92px;
  }

  .article-hero__media {
    min-height: 56vh;
  }

  .article-hero__intro { padding: 0 0 var(--s-6); }
  .article-title { font-size: clamp(43px, 14vw, 64px); }

  .article-body-shell {
    gap: var(--s-7);
    padding: var(--s-8) 0;
  }

  .article-prose { font-size: 17px; }
  .article-prose h2 { margin-top: var(--s-8); }

  .article-nav { grid-template-columns: 1fr; }
  .article-nav a { min-height: 220px; padding: var(--s-6); }
  .article-nav a + a { border-top: 1px solid var(--paper); border-left: 0; }

  .footer-cta { padding-top: var(--s-9); padding-bottom: var(--s-9); }

  .blog-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

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