:root {
  color-scheme: light;
  --paper: oklch(95.4% 0.018 83);
  --ink: oklch(24% 0.025 55);
  --muted: oklch(48% 0.03 55);
  --line: oklch(79% 0.035 72);
  --accent: oklch(48% 0.14 32);
  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, Georgia, serif;
  --sans: "Avenir Next", Avenir, "Helvetica Neue", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    linear-gradient(90deg, transparent 0 7.5%, color-mix(in oklch, var(--line), transparent 65%) 7.5% calc(7.5% + 1px), transparent calc(7.5% + 1px)),
    var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  text-rendering: optimizeLegibility;
}

a { color: inherit; }

.page {
  width: min(960px, calc(100% - 40px));
  min-height: 100svh;
  margin: 0 auto;
  padding: clamp(28px, 5vw, 64px) 0 32px;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 14px;
}

.wordmark,
.back {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.back {
  color: var(--muted);
  text-decoration: none;
  transition: color 160ms ease;
}

.back:hover,
.back:focus-visible {
  color: var(--accent);
  outline: none;
}

.hero {
  padding: clamp(72px, 12vw, 136px) 0 clamp(58px, 9vw, 96px);
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-bottom: 28px;
  color: var(--accent);
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(3rem, 7.2vw, 6.5rem);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 0.96;
}

.dek {
  max-width: 680px;
  margin: 36px 0 0 clamp(0px, 8vw, 88px);
  color: var(--muted);
  font-size: clamp(1.12rem, 2vw, 1.38rem);
  line-height: 1.75;
}

.article-grid {
  display: grid;
  grid-template-columns: 150px minmax(0, 640px);
  gap: clamp(32px, 7vw, 76px);
  align-items: start;
  border-top: 1px solid var(--ink);
  padding-top: clamp(42px, 7vw, 72px);
}

.aside {
  position: sticky;
  top: 28px;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  line-height: 1.7;
  text-transform: uppercase;
}

.aside strong {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
  letter-spacing: 0.12em;
}

.prose {
  font-size: clamp(1.08rem, 1.75vw, 1.26rem);
  line-height: 1.92;
}

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

.prose p { margin: 0 0 1.55em; }

.prose h2 {
  margin: 2.4em 0 0.85em;
  font-size: clamp(1.65rem, 3.3vw, 2.35rem);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.prose blockquote {
  margin: 2.4em 0;
  border-block: 1px solid var(--line);
  padding: 1.25em 0 1.35em;
  color: var(--accent);
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.45;
}

.prose blockquote p { margin: 0; }

.note {
  margin: 2.2em 0;
  background: color-mix(in oklch, var(--line), transparent 78%);
  padding: 1.2em 1.35em;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.86rem;
  line-height: 1.75;
}

.note strong {
  color: var(--ink);
  letter-spacing: 0.06em;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid var(--line);
  margin-top: clamp(72px, 12vw, 128px);
  padding-top: 24px;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
}

@media (max-width: 720px) {
  body {
    background:
      linear-gradient(90deg, transparent 0 20px, color-mix(in oklch, var(--line), transparent 65%) 20px 21px, transparent 21px),
      var(--paper);
  }

  header { align-items: flex-start; }
  .wordmark { max-width: 11rem; }

  h1 {
    font-size: clamp(3rem, 14vw, 4.4rem);
    overflow-wrap: anywhere;
  }

  .dek { margin-left: 0; }

  .article-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .aside {
    position: static;
    border-bottom: 1px solid var(--line);
    padding-bottom: 18px;
  }

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .back { transition: none; }
}