:root {
  --night: #071923;
  --night-2: #102d3b;
  --paper: #f3efe6;
  --paper-2: #e9e2d5;
  --ink: #102d39;
  --muted: #5b6b70;
  --teal: #238875;
  --teal-light: #73c9b3;
  --amber: #d9a441;
  --amber-dark: #865f16;
  --coral: #ce6c61;
  --line: #d5ccbd;
  --measure: 770px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--paper); }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Georgia, "Times New Roman", serif; font-size: 19px; line-height: 1.72; text-rendering: optimizeLegibility; }
a { color: #80550b; text-decoration-thickness: .08em; text-underline-offset: .15em; }
a:hover { color: #4f3305; }
a:focus-visible { outline: 3px solid var(--amber); outline-offset: 3px; }
.site-bar { color: #dbe6e8; background: #04131b; border-bottom: 1px solid #29434e; font-family: Inter, ui-sans-serif, system-ui, sans-serif; }
.site-bar-inner { max-width: 1240px; margin: 0 auto; padding: 14px 28px; display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.brand { color: #fff; font-size: 14px; font-weight: 850; letter-spacing: .14em; text-decoration: none; }
.series { color: #9ab0b8; font-size: 12px; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
.hero { color: #fff; background: var(--night); border-bottom: 7px solid var(--amber); }
.hero-inner { max-width: 1180px; margin: 0 auto; padding: 88px 28px 74px; display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(280px, .75fr); gap: 72px; align-items: end; }
.kicker { color: var(--teal-light); font: 850 12px/1.2 Inter, ui-sans-serif, system-ui, sans-serif; letter-spacing: .16em; text-transform: uppercase; }
h1 { margin: 18px 0 20px; color: #f7f3eb; font: 850 clamp(58px, 8.2vw, 108px)/.88 Inter, ui-sans-serif, system-ui, sans-serif; letter-spacing: -.065em; }
h1 span { display: block; color: var(--amber); }
.subtitle { max-width: 760px; margin: 0; color: #c8d6da; font: 500 clamp(21px, 2.6vw, 30px)/1.32 Inter, ui-sans-serif, system-ui, sans-serif; }
.meta { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 8px 22px; color: #8fa7af; font: 750 12px/1.5 Inter, ui-sans-serif, system-ui, sans-serif; letter-spacing: .07em; text-transform: uppercase; }
.hero-card { padding: 25px 25px 27px; background: #102d3b; border-top: 4px solid var(--teal-light); }
.hero-card-label { margin: 0 0 13px; color: var(--teal-light); font: 850 11px/1.3 Inter, ui-sans-serif, system-ui, sans-serif; letter-spacing: .14em; text-transform: uppercase; }
.hero-card p:last-child { margin: 0; color: #e5ecee; font: 570 17px/1.55 Inter, ui-sans-serif, system-ui, sans-serif; }
.contents { max-width: 1180px; margin: 0 auto; padding: 36px 28px 0; font-family: Inter, ui-sans-serif, system-ui, sans-serif; }
.contents-inner { padding: 24px 26px 20px; background: var(--paper-2); border-left: 5px solid var(--teal); }
.contents-title { margin: 0 0 11px; color: #50626a; font-size: 11px; font-weight: 850; letter-spacing: .14em; text-transform: uppercase; }
.contents ol { margin: 0; padding: 0; list-style: none; columns: 3; column-gap: 28px; }
.contents li { margin: 0; padding: 0; break-inside: avoid; }
.contents a { display: block; padding: 5px 0; color: #496069; font-size: 12px; line-height: 1.35; text-decoration: none; }
.contents a:hover { color: var(--teal); }
.layout { max-width: 1180px; margin: 0 auto; padding: 58px 28px 105px; }
article { min-width: 0; }
article > :not(.framework-figure) { max-width: var(--measure); margin-left: auto; margin-right: auto; }
article > h2:first-child { margin-top: 0; }
h2, h3 { color: #0b2a36; font-family: Inter, ui-sans-serif, system-ui, sans-serif; letter-spacing: -.028em; scroll-margin-top: 24px; }
h2 { margin: 3.4em 0 .82em; padding-top: .58em; border-top: 2px solid var(--line); font-size: clamp(31px, 4vw, 44px); line-height: 1.1; }
h3 { margin: 2.05em 0 .62em; font-size: clamp(23px, 3vw, 29px); line-height: 1.24; }
p { margin: 0 0 1.23em; }
article > p:first-of-type { color: #344c56; font-size: 21px; }
strong { color: #0a2835; }
blockquote { margin: 2em 0; padding: 21px 25px; color: #183f49; background: #e1ece7; border-left: 5px solid var(--teal); }
blockquote p:last-child { margin-bottom: 0; }
ul, ol { padding-left: 1.42em; }
li { margin: .48em 0; padding-left: .18em; }
hr { margin: 3em 0; border: 0; border-top: 1px solid var(--line); }
.framework-figure { width: min(1180px, calc(100vw - 56px)); margin: 3.5em 0 3.7em; }
.framework-figure img { display: block; width: 100%; height: auto; border: 1px solid #c9c0b2; box-shadow: 0 20px 48px rgba(13, 37, 46, .17); }
figcaption { max-width: 960px; margin: 14px auto 0; color: var(--muted); font: 510 14px/1.58 Inter, ui-sans-serif, system-ui, sans-serif; }
figcaption em { font-style: normal; }
.note-ref { position: relative; top: -.15em; margin-left: .08em; font: 780 12px/1 Inter, ui-sans-serif, system-ui, sans-serif; }
.note-ref a { text-decoration: none; }
.notes { color: #4d5c62; background: #e7e0d3; border-top: 1px solid #d0c6b6; }
.notes-inner { max-width: 1080px; margin: 0 auto; padding: 76px 28px 90px; }
.notes h2 { margin: 0 0 28px; padding: 0; border: 0; font-size: 38px; }
.notes ol { padding-left: 1.4em; font-size: 15px; line-height: 1.58; }
.notes li { margin: 0 0 1.12em; padding-left: .42em; }
.note-back { font-family: Inter, ui-sans-serif, system-ui, sans-serif; text-decoration: none; white-space: nowrap; }
.bibliography { max-width: 850px; margin-top: 58px; padding-top: 30px; border-top: 1px solid #c7bdad; }
.bibliography h2 { font-size: 29px; }
.bibliography p { margin-bottom: .8em; font-size: 15px; line-height: 1.55; }
.colophon { color: #aec0c6; background: #061720; font-family: Inter, ui-sans-serif, system-ui, sans-serif; }
.colophon-inner { max-width: 1180px; margin: 0 auto; padding: 44px 28px 50px; display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 38px; }
.colophon h2 { margin: 0 0 9px; padding: 0; border: 0; color: #fff; font-size: 16px; letter-spacing: 0; }
.colophon p { margin: 0; font-size: 13px; line-height: 1.6; }
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-card { max-width: 760px; }
  .contents ol { columns: 2; }
  .colophon-inner { grid-template-columns: 1fr 1fr; }
  .framework-figure { width: 100%; }
}
@media (max-width: 640px) {
  body { font-size: 17px; line-height: 1.68; }
  .site-bar-inner { padding: 13px 20px; }
  .series { display: none; }
  .hero-inner { padding: 62px 20px 55px; gap: 32px; }
  h1 { font-size: clamp(56px, 19vw, 76px); }
  .subtitle { font-size: 20px; }
  .hero-card { padding: 21px; }
  .hero-card p:last-child { font-size: 15px; }
  .contents { padding: 24px 20px 0; }
  .contents { display: none; }
  .layout { padding: 49px 20px 72px; }
  h2 { margin-top: 3em; font-size: 31px; }
  h3 { font-size: 23px; }
  article > p:first-of-type { font-size: 18px; }
  blockquote { margin-left: 0; margin-right: 0; padding: 18px 19px; }
  .framework-figure { margin: 2.6em 0 2.9em; }
  figcaption { font-size: 13px; }
  .notes-inner { padding: 57px 20px 70px; }
  .notes h2 { font-size: 31px; }
  .colophon-inner { grid-template-columns: 1fr; padding: 36px 20px 42px; }
}
@media print {
  .site-bar, .contents { display: none; }
  .hero { color: var(--ink); background: none; border-bottom: 2px solid var(--ink); }
  .hero-inner { display: block; padding: 30px 0; }
  h1, h1 span { color: var(--ink); font-size: 54px; }
  .subtitle, .meta { color: var(--muted); }
  .hero-card { color: var(--ink); background: none; border: 1px solid var(--ink); }
  .hero-card p:last-child { color: var(--ink); }
  .layout, .notes-inner { padding-left: 0; padding-right: 0; }
  .colophon { color: var(--ink); background: none; border-top: 1px solid var(--ink); }
}
