:root {
  --bg: #f4f5f6;
  --paper: #fffdf9;
  --ink: #202631;
  --muted: #535d69;
  --faint: #727b86;
  --line: #dfe2e7;
  --accent: #b51f36;
  --accent-soft: #f6e9eb;
  --navy: #20314c;
  --shadow: rgba(22, 31, 45, 0.08);
  --serif: Georgia, "Times New Roman", "Noto Serif SC", serif;
  --sans: "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
}

:root[data-theme="dark"] {
  --bg: #151922;
  --paper: #1c222d;
  --ink: #edf0f5;
  --muted: #b7bec8;
  --faint: #8f99a7;
  --line: #343c49;
  --accent: #e06a7c;
  --accent-soft: #38232a;
  --navy: #96acd0;
  --shadow: rgba(0, 0, 0, 0.24);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
a:focus-visible, button:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 32%, transparent); outline-offset: 3px; }
.shell { width: min(1080px, calc(100% - 44px)); margin-inline: auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-top: 4px solid var(--navy);
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 94%, transparent);
  backdrop-filter: blur(14px);
}
.header-inner { min-height: 74px; display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 30px; }
.identity { display: flex; align-items: baseline; gap: 11px; }
.identity strong { font-family: var(--serif); font-size: 1.15rem; }
.identity span { color: var(--faint); font-size: .77rem; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; }
.nav-links { display: flex; gap: 24px; align-items: center; }
.nav-links a { color: var(--muted); font-size: .78rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; }
.nav-links a:hover { color: var(--accent); }
.theme-toggle { width: 36px; height: 36px; border: 1px solid var(--line); background: var(--bg); cursor: pointer; }
.theme-icon { display: block; transform: rotate(-25deg); font-size: 1.15rem; }

.hero { padding-block: 96px 86px; }
.eyebrow, .section-kicker { margin: 0 0 15px; color: var(--accent); font-size: .73rem; font-weight: 800; letter-spacing: .14em; }
.hero h1 { max-width: 870px; margin: 0; font-family: var(--serif); font-size: clamp(3.2rem, 7vw, 6.5rem); font-weight: 500; letter-spacing: -.052em; line-height: 1.08; }
.hero h1 em { color: var(--accent); font-weight: 500; }
.hero-copy { max-width: 680px; margin: 30px 0 0; color: var(--muted); font-family: var(--serif); font-size: 1.14rem; line-height: 1.9; }
.hero-meta { display: flex; gap: 24px; margin-top: 30px; color: var(--faint); font-size: .82rem; }
.hero-meta span::before { content: "— "; color: var(--accent); }

.archive { margin-bottom: 100px; padding: 48px 54px 20px; background: var(--paper); box-shadow: 0 18px 50px var(--shadow); }
.archive-head { display: flex; justify-content: space-between; gap: 30px; align-items: end; padding-bottom: 25px; border-bottom: 2px solid var(--navy); }
.archive-head h2 { margin: 0; font-family: var(--serif); font-size: 1.75rem; }
.section-kicker { margin-bottom: 6px; }
.post-row { display: grid; grid-template-columns: 74px minmax(0, 1fr) 72px; gap: 26px; align-items: start; padding: 34px 0; border-bottom: 1px solid var(--line); }
.post-date strong { display: block; color: var(--accent); font-family: var(--serif); font-size: 1.8rem; font-weight: 500; line-height: 1; }
.post-date span { display: block; margin-top: 7px; color: var(--faint); font-size: .72rem; }
.post-taxonomy { display: flex; gap: 13px; margin-bottom: 8px; color: var(--accent); font-size: .72rem; font-weight: 750; letter-spacing: .05em; text-transform: uppercase; }
.post-taxonomy span + span { color: var(--faint); }
.post-summary h3 { margin: 0; font-family: var(--serif); font-size: 1.42rem; font-weight: 600; }
.post-summary h3 a:hover { color: var(--accent); }
.post-summary p { margin: 9px 0 0; color: var(--muted); font-family: var(--serif); font-size: .98rem; }
.tag-list { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 13px; color: var(--faint); font-size: .72rem; }
.read-link { align-self: center; color: var(--navy); font-size: .78rem; font-weight: 750; text-align: right; }
.read-link:hover { color: var(--accent); }
.empty-state { padding: 60px 0; color: var(--faint); text-align: center; }

.reading-progress { position: fixed; z-index: 40; top: 0; right: 0; left: 0; height: 4px; }
.reading-progress span { display: block; width: 100%; height: 100%; transform: scaleX(0); transform-origin: left; background: var(--accent); }
.post-page { padding-block: 72px 100px; }
.post-header { max-width: 830px; margin: 0 auto 58px; padding-bottom: 35px; border-bottom: 2px solid var(--navy); }
.back-link { display: inline-block; margin-bottom: 42px; color: var(--faint); font-size: .79rem; }
.back-link:hover { color: var(--accent); }
.post-header h1 { margin: 12px 0 0; font-family: var(--serif); font-size: clamp(2.7rem, 6vw, 5.5rem); font-weight: 500; letter-spacing: -.045em; line-height: 1.08; }
.post-subtitle { margin: 18px 0 0; color: var(--muted); font-family: var(--serif); font-size: 1.12rem; }
.post-byline { display: flex; gap: 18px; margin-top: 26px; color: var(--faint); font-size: .78rem; }
.post-byline span { color: var(--ink); font-weight: 700; }
.post-layout { display: grid; grid-template-columns: 150px minmax(0, 680px); justify-content: center; gap: 50px; }
.post-aside { position: sticky; top: 112px; align-self: start; padding-top: 5px; color: var(--faint); font-size: .72rem; text-transform: uppercase; }
.post-aside strong { display: block; margin-top: 4px; color: var(--ink); font-family: var(--serif); font-size: .95rem; font-weight: 500; }
.copy-link { margin-top: 24px; padding: 6px 0; border: 0; border-bottom: 1px solid var(--line); background: transparent; color: var(--muted); font-size: .72rem; cursor: pointer; }
.copy-link:hover { color: var(--accent); border-color: var(--accent); }
.prose { color: var(--ink); font-family: var(--serif); font-size: 1.09rem; line-height: 2; }
.prose > :first-child { margin-top: 0; }
.prose p { margin: 0 0 1.65em; }
.prose h2 { margin: 2.3em 0 .8em; padding-bottom: .3em; border-bottom: 1px solid var(--line); font-size: 1.55rem; }
.prose h3 { margin: 2em 0 .6em; font-size: 1.22rem; }
.prose a { color: var(--accent); border-bottom: 1px solid color-mix(in srgb, var(--accent) 45%, transparent); }
.prose blockquote { margin: 2em 0; padding: 2px 0 2px 24px; border-left: 3px solid var(--accent); color: var(--muted); font-style: italic; }
.prose img { max-width: 100%; height: auto; }
.prose .essay-figure { margin: 3.2em 0 0; }
.prose .essay-figure img { display: block; width: 100%; border-radius: 2px; }
.prose .essay-figure figcaption { margin-top: .8em; color: var(--faint); font-family: var(--sans); font-size: .72rem; line-height: 1.6; text-align: center; }
.prose code { padding: 2px 5px; background: var(--bg); font-family: Consolas, monospace; font-size: .86em; }
.prose pre { overflow-x: auto; padding: 20px; background: #111722; color: #edf0f5; font-size: .85rem; line-height: 1.65; }
.prose pre code { padding: 0; background: none; }
.post-tags { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 60px; padding-top: 22px; border-top: 1px solid var(--line); color: var(--faint); font-family: var(--sans); font-size: .74rem; }
.post-nav { max-width: 830px; display: grid; grid-template-columns: 1fr 1fr; gap: 30px; margin: 80px auto 0; padding-top: 28px; border-top: 2px solid var(--navy); }
.post-nav a { display: flex; flex-direction: column; }
.post-nav a.next { text-align: right; grid-column: 2; }
.post-nav span { color: var(--faint); font-size: .72rem; }
.post-nav strong { margin-top: 5px; font-family: var(--serif); font-size: 1rem; }
.post-nav a:hover strong { color: var(--accent); }

.simple-page { min-height: 72vh; padding-block: 92px 110px; }
.simple-page > h1, .not-found h1 { max-width: 800px; margin: 0 0 45px; font-family: var(--serif); font-size: clamp(3rem, 7vw, 6rem); font-weight: 500; letter-spacing: -.05em; }
.simple-page .prose { max-width: 680px; margin-left: min(16vw, 180px); }
.not-found { min-height: 72vh; padding-block: 110px; }
.not-found h1 { margin-bottom: 20px; }
.not-found > p:not(.eyebrow) { color: var(--muted); }
.not-found > a { display: inline-block; margin-top: 22px; color: var(--accent); border-bottom: 1px solid var(--accent); }

.site-footer { padding-block: 30px; background: #20314c; color: #bdc5d1; }
.footer-inner { display: flex; justify-content: space-between; gap: 20px; }
.footer-inner p { margin: 0; font-size: .77rem; }
.footer-inner div { display: flex; gap: 22px; }
.footer-inner a { font-size: .77rem; }
.footer-inner a:hover { color: white; }

@media (max-width: 760px) {
  .site-header { position: static; }
  .header-inner { grid-template-columns: 1fr auto; }
  .nav-links { display: none; }
  .hero { padding-block: 66px 58px; }
  .hero h1 { font-size: clamp(3.1rem, 14vw, 5rem); }
  .archive { padding: 34px 24px 8px; }
  .archive-head { align-items: start; flex-direction: column; }
  .post-row { grid-template-columns: 54px 1fr; gap: 18px; }
  .read-link { grid-column: 2; justify-self: start; }
  .post-layout { grid-template-columns: 1fr; }
  .post-aside { position: static; display: flex; align-items: baseline; gap: 10px; border-bottom: 1px solid var(--line); padding-bottom: 14px; }
  .post-aside strong { display: inline; }
  .copy-link { margin: 0 0 0 auto; }
  .simple-page .prose { margin-left: 0; }
}

@media (max-width: 430px) {
  .shell { width: min(100% - 30px, 1080px); }
  .identity span { display: none; }
  .hero { padding-block: 52px 48px; }
  .hero h1 { font-size: 3.15rem; }
  .hero-copy { font-size: 1.02rem; }
  .hero-meta { align-items: flex-start; flex-direction: column; gap: 5px; }
  .archive { width: 100%; box-shadow: none; }
  .post-row { grid-template-columns: 1fr; }
  .post-date { display: flex; align-items: baseline; gap: 8px; }
  .post-date strong { font-size: 1.2rem; }
  .post-date span { margin: 0; }
  .read-link { grid-column: auto; }
  .post-page { padding-block: 50px 70px; }
  .back-link { margin-bottom: 30px; }
  .post-header { margin-bottom: 36px; }
  .post-header h1 { font-size: 2.8rem; }
  .post-nav { grid-template-columns: 1fr; }
  .post-nav a.next { grid-column: auto; text-align: left; }
  .footer-inner { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}