:root {
  --paper: #faf9f6;
  --chrome-surface: rgba(236, 235, 228, .94);
  --ink: #252620;
  --muted: #65665d;
  --line: #deded5;
  --amber: #b97827;
  --sans: 'Inter', 'Noto Sans KR', Arial, sans-serif;
  --mono: 'Roboto Mono', Consolas, monospace;
  --footer-height: 64px;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 120px; scroll-padding-bottom: calc(var(--footer-height) + 16px); }
body {
  isolation: isolate;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0;
  padding-bottom: var(--footer-height);
  color: var(--ink);
  background: var(--paper);
  font: 18px/1.8 var(--sans);
  -webkit-font-smoothing: antialiased;
}
body[data-view='top'] {
  --paper: #1b1d19;
  --chrome-surface: rgba(39, 42, 36, .94);
  --ink: #efeee7;
  --muted: #b8bcb0;
  --line: #3c4037;
  --amber: #dda04c;
  background-image: radial-gradient(ellipse at 80% 38%, #dda04c08, transparent 62%);
  color-scheme: dark;
}
body[data-view='expertise'] { --paper: #f5f4ee; }
body[data-view='founder'] { --paper: #f4f3ee; }
body[data-view='contact'] { --paper: #f6f4ef; }
body.article-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }
a, button { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible { outline: 2px solid var(--amber); outline-offset: 6px; }
h1[tabindex='-1']:focus { outline: none; }
::selection { background: #c9822c55; }
[hidden] { display: none !important; }
.page-width { width: min(1080px, calc(100% - 64px)); margin-inline: auto; }
.amber { color: var(--amber); }
.mono { font-family: var(--mono); }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 30; background: var(--ink); color: var(--paper); padding: 10px 18px; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

.site-header, .site-footer { background: var(--chrome-surface); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); }
.site-header { position: sticky; top: 0; z-index: 10; }
.header-inner { min-height: 100px; display: flex; align-items: center; justify-content: space-between; gap: 32px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 12px; font-size: 25px; font-weight: 700; line-height: 1; letter-spacing: -.8px; white-space: nowrap; }
.brand img { display: block; width: 36px; height: 36px; }
.header-controls { display: flex; align-items: center; gap: 28px; }
.site-header nav { display: flex; align-items: center; gap: 28px; }
.site-header nav a { position: relative; padding-block: 5px; color: var(--muted); font-size: 16px; font-weight: 500; line-height: 1.5; white-space: nowrap; transition: color 180ms ease; }
.site-header nav a::after { content: ''; position: absolute; inset-inline: 0; bottom: 0; height: 2px; background: var(--amber); transform: scaleX(0); transform-origin: center; transition: transform 260ms cubic-bezier(.22, 1, .36, 1); pointer-events: none; }
.site-header nav a:focus-visible { color: var(--ink); }
.site-header nav a:focus-visible::after { transform: scaleX(1); }
.site-header nav a[aria-current='page'] { color: var(--ink); }
@media (hover: hover) {
  .site-header nav a:hover { color: var(--ink); }
  .site-header nav a:hover::after { transform: scaleX(1); }
}
.language-switch { --language-inset: 14px; position: relative; display: flex; align-items: center; gap: 3px; padding-left: var(--language-inset); border-left: 1px solid var(--line); font-family: var(--mono); font-size: 16px; }
.language-switch::after { content: ''; position: absolute; left: calc(var(--language-inset) + 6px); bottom: 3px; width: 2ch; height: 2px; background: var(--amber); transform: translateX(0); transition: transform 280ms cubic-bezier(.22, 1, .36, 1); pointer-events: none; }
html[lang='en'] .language-switch::after { transform: translateX(calc(2ch + 15px)); }
.language-switch button { padding: 5px 6px; border: 0; background: transparent; color: var(--muted); font-family: var(--mono); font-size: 16px; line-height: 1.5; transition: color 180ms ease; }
.language-switch button[aria-pressed='true'] { color: var(--ink); }
.language-switch button:hover { color: var(--ink); }
main { flex: 1; }
.home-hero { display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr); gap: 64px; align-items: start; padding: 62px 0 54px; }
.intro h1 { margin: 0 0 24px; font-size: clamp(42px, 4.5vw, 56px); font-weight: 600; letter-spacing: -.06em; line-height: 1.35; word-break: keep-all; }
.intro p { max-width: 640px; margin: 0; color: var(--muted); font-size: 19px; line-height: 1.9; letter-spacing: -.035em; word-break: keep-all; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 26px; margin-top: 28px; }
.primary-link { display: inline-flex; align-items: center; gap: 12px; padding: 10px 20px; border: 1px solid var(--amber); border-radius: 3px; background: var(--amber); color: #1b1d19; font-size: 18px; font-weight: 500; }
.primary-link:hover { filter: brightness(1.08); }
.text-link { display: inline-flex; align-items: center; gap: 10px; border-bottom: 1px solid var(--line); padding-block: 2px; font-size: 17px; line-height: 1.5; }
.text-link:hover { border-color: var(--amber); }
.text-link span[aria-hidden] { color: var(--amber); }
.home-index > h2 { margin: 0 0 14px; font-size: 22px; line-height: 1.5; font-weight: 500; letter-spacing: -.035em; }
.topic-link { display: grid; grid-template-columns: minmax(0, 1fr) 24px; gap: 3px 12px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.topic-link strong { font-family: var(--mono); font-size: 20px; font-weight: 500; line-height: 1.6; }
.topic-link > span:not([aria-hidden]) { grid-column: 1; color: var(--muted); font-size: 17px; line-height: 1.8; word-break: keep-all; }
.topic-link > span[aria-hidden] { grid-column: 2; grid-row: 1 / span 2; align-self: center; color: var(--amber); font-size: 22px; }
.topic-link:hover strong { color: var(--amber); }
.home-journal { padding: 30px 0 32px; border-top: 1px solid var(--line); }
.section-heading { display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.section-heading h2 { margin: 0; font-size: 28px; font-weight: 600; letter-spacing: -.045em; line-height: 1.5; }
.journal-empty { padding: 24px 0 8px; }
.journal-empty > p { margin: 0; color: var(--muted); font-size: 18px; }
.home-post-list { display: grid; gap: 24px; padding-top: 26px; }
.home-post-list .post-item { grid-template-columns: 160px minmax(0, 1fr); gap: 5px 32px; }
.home-post-list .post-meta { grid-row: 1 / span 2; flex-direction: column; align-items: flex-start; gap: 4px; }
.home-post-list .post-item h3, .home-post-list .post-item p { grid-column: 2; }
.home-about { display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr); gap: 64px; padding: 36px 0 44px; border-top: 1px solid var(--line); }
.section-copy h2 { margin: 0 0 12px; font-size: 26px; font-weight: 600; line-height: 1.5; letter-spacing: -.045em; word-break: keep-all; }
.section-copy p { margin: 0; color: var(--muted); font-size: 18px; word-break: keep-all; }
.home-contact { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; padding-top: 3px; }
.home-contact .email-link { font-size: 20px; }
.content-view { padding: 54px 0 64px; }
.content-view > h1 { margin: 0 0 24px; font-size: 38px; line-height: 1.4; letter-spacing: -.045em; font-weight: 600; }
.view-intro { max-width: 760px; margin: 0 0 36px; color: var(--muted); font-size: 18px; word-break: keep-all; }
.view-intro p { margin: 0; color: var(--muted); font-size: 18px; word-break: keep-all; }
.expertise-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 44px; }
.expertise-item h2 { margin: 0 0 12px; font-family: var(--mono); font-size: 22px; font-weight: 500; letter-spacing: -.04em; }
.expertise-item p { margin: 0; color: var(--muted); font-size: 17px; line-height: 1.9; letter-spacing: -.035em; word-break: keep-all; }
.topic-details ul, ul.topic-details { margin: 22px 0 0; padding-left: 20px; color: var(--muted); font-size: 17px; }
.topic-details li { margin-block: 6px; word-break: keep-all; }
.topic-details a { color: var(--ink); text-decoration: underline; text-decoration-color: var(--line); text-underline-offset: 5px; }
.topic-details a:hover { text-decoration-color: var(--amber); }
.research-method { margin-top: 44px; padding-top: 30px; border-top: 1px solid var(--line); }
.research-method > h2 { margin: 0 0 24px; font-size: 26px; font-weight: 600; line-height: 1.5; letter-spacing: -.045em; }
.method-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 36px; }
.method-grid h3 { margin: 0 0 10px; font-size: 20px; font-weight: 500; line-height: 1.6; }
.method-grid p { margin: 0; color: var(--muted); font-size: 17px; word-break: keep-all; }
.section-cta { display: flex; justify-content: space-between; align-items: center; gap: 24px; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line); }
.section-cta p { margin: 0; font-size: 18px; word-break: keep-all; }
.section-cta a { flex-shrink: 0; }
.empty-state { margin: 0; color: var(--muted); font-size: 18px; }
.blog-toolbar { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; margin: 28px 0 12px; }
.search-field { display: grid; gap: 8px; flex: 1; min-width: 180px; max-width: 360px; }
.search-field label { color: var(--muted); font-size: 17px; }
.search-field input { width: 100%; padding: 10px 14px; border: 1px solid var(--line); border-radius: 3px; background: transparent; color: var(--ink); font: 18px/1.5 var(--sans); }
.search-field input::placeholder { color: var(--muted); opacity: 1; }
.filter-list { display: flex; flex-wrap: wrap; gap: 8px; }
.filter-button { padding: 8px 12px; border: 1px solid var(--line); border-radius: 3px; background: transparent; font-size: 16px; line-height: 1.5; }
.filter-button:hover { border-color: var(--amber); }
.filter-button[aria-pressed='true'] { border-color: var(--ink); background: var(--ink); color: var(--paper); }
#blog-count { margin: 10px 0 26px; color: var(--muted); font-size: 16px; }
.blog-empty-panel { border-top: 1px solid var(--line); padding-top: 28px; }
.blog-empty-panel > p { margin: 0; color: var(--muted); font-size: 18px; }
.reading-guide { margin-top: 32px; padding-top: 28px; border-top: 1px solid var(--line); }
.reading-guide > h2 { margin: 0 0 12px; font-size: 24px; font-weight: 600; line-height: 1.5; letter-spacing: -.04em; }
.reading-guide > p { max-width: 760px; margin: 0; color: var(--muted); font-size: 18px; word-break: keep-all; }
.post-list { display: grid; gap: 12px; }
.post-item { display: grid; gap: 9px; }
.post-item + .post-item { border-top: 1px solid var(--line); padding-top: 28px; }
.post-list > .post-item { min-width: 0; gap: 10px; padding: 26px 30px; border: 1px solid #e4e2d9; border-radius: 4px; overflow-wrap: anywhere; }
.post-list > .post-item:nth-child(odd) { background: #f3f1eb; }
.post-list > .post-item:nth-child(even) { background: #eae8df; }
.post-meta { display: flex; flex-wrap: wrap; gap: 8px 20px; color: var(--muted); font-size: 16px; }
.post-meta span { font-family: var(--mono); }
.post-item time { color: var(--muted); font-family: var(--mono); font-size: 16px; }
.post-item h2, .post-item h3 { margin: 0; font-size: 24px; line-height: 1.5; letter-spacing: -.045em; font-weight: 600; word-break: keep-all; }
.post-item a:hover { color: var(--amber); }
.post-item p { margin: 0; color: var(--muted); font-size: 18px; line-height: 1.9; word-break: keep-all; }

.founder-profile { max-width: 760px; }
.founder-heading { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }
.founder-profile h2 { margin: 0; font-family: var(--mono); font-size: 32px; font-weight: 500; line-height: 1.5; letter-spacing: -.055em; }
.founder-socials { display: flex; align-items: center; gap: 4px; }
.founder-social-link { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: 3px; color: var(--muted); transition: color 180ms ease, background-color 180ms ease; }
.founder-social-link svg { display: block; flex-shrink: 0; }
.founder-social-link:is(:hover, :focus-visible) { color: var(--amber); background: #c9822c12; }
.founder-name { margin: 4px 0 20px; font-size: 18px; color: var(--muted); }
.founder-description { margin: 0 0 14px; font-size: 18px; letter-spacing: -.025em; word-break: keep-all; }
.founder-background { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 44px; margin-top: 44px; }
.founder-details h2 { margin: 0; font-size: 26px; font-weight: 600; line-height: 1.5; letter-spacing: -.045em; }
.background-list { margin: 20px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.background-list li { padding: 20px 0; border-bottom: 1px solid var(--line); }
.background-list h3 { margin: 0; font-size: 20px; font-weight: 500; line-height: 1.6; }
.background-list p { margin: 3px 0 0; color: var(--muted); font-size: 17px; word-break: keep-all; }
.background-period { display: block; margin-top: 8px; color: var(--muted); font-size: 17px; }
.founder-records { margin-top: 48px; }
.founder-records > h2 { margin: 0 0 8px; font-size: 26px; font-weight: 600; line-height: 1.5; letter-spacing: -.045em; }
.founder-records > p { margin: 0 0 25px; color: var(--muted); font-size: 17px; }
.achievement-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.achievement-list li { display: grid; grid-template-columns: 152px minmax(0, 1fr) auto; gap: 24px; align-items: start; padding: 22px 0; border-bottom: 1px solid var(--line); }
.record-year { padding-top: 3px; color: var(--muted); font-family: var(--mono); font-size: 16px; }
.achievement-list h3 { margin: 0; font-size: 20px; font-weight: 500; line-height: 1.6; }
.achievement-list p { margin: 3px 0 0; color: var(--muted); font-size: 17px; }
.record-result { max-width: 180px; font-size: 20px; font-weight: 500; line-height: 1.6; text-align: right; }
.achievement-summary p { word-break: keep-all; overflow-wrap: anywhere; }
.contact-layout { display: flex; align-items: flex-start; justify-content: space-between; gap: 40px; }
.contact-layout p { margin: 0; color: var(--muted); font-size: 18px; letter-spacing: -.035em; word-break: keep-all; }
.contact-links { display: flex; align-items: flex-start; flex-direction: column; gap: 14px; }
.email-link { font-size: 22px; font-weight: 500; letter-spacing: -.04em; border-bottom: 1px solid var(--line); white-space: nowrap; }
.email-link:hover { border-color: var(--amber); }
.email-link span { color: var(--amber); margin-left: 12px; }
.github-link { font-size: 17px; color: var(--muted); }
.github-link:hover { color: var(--ink); }
.github-link span { margin-left: 6px; }
.contact-socials { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; }
.social-link { display: inline-flex; align-items: center; gap: 9px; color: var(--muted); font-size: 17px; line-height: 1.8; }
.social-link svg { display: block; flex: 0 0 20px; }
.social-link:hover { color: var(--ink); }
.contact-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 44px; margin-top: 40px; }
.contact-option { padding-top: 24px; border-top: 1px solid var(--line); }
.contact-option h2 { margin: 0 0 12px; font-size: 26px; font-weight: 600; line-height: 1.5; letter-spacing: -.045em; }
.contact-option p { margin: 0 0 18px; color: var(--muted); font-size: 18px; word-break: keep-all; }
.contact-pgp { margin-top: 36px; padding-top: 28px; border-top: 1px solid var(--line); }
.contact-pgp > h2 { margin: 0 0 12px; font-size: 24px; font-weight: 600; line-height: 1.5; letter-spacing: -.04em; }
.contact-pgp > p { margin: 0 0 16px; color: var(--muted); font-size: 18px; word-break: keep-all; }
.contact-checklist { margin-top: 36px; padding-top: 28px; border-top: 1px solid var(--line); }
.contact-checklist > h2 { margin: 0 0 12px; font-size: 24px; font-weight: 600; line-height: 1.5; letter-spacing: -.04em; }
.contact-checklist ul { margin: 0; padding-left: 21px; color: var(--muted); font-size: 17px; }
.contact-checklist li { margin-block: 6px; word-break: keep-all; }
.contact-faq { margin-top: 30px; border-top: 1px solid var(--line); }
.contact-faq details { padding: 17px 0; border-bottom: 1px solid var(--line); }
.contact-faq summary { display: flex; justify-content: space-between; align-items: baseline; gap: 20px; cursor: pointer; list-style: none; font-size: 18px; font-weight: 500; }
.contact-faq summary::-webkit-details-marker { display: none; }
.contact-faq summary::after { content: '+'; color: var(--amber); font-size: 24px; line-height: 1; }
.contact-faq details[open] summary::after { content: '−'; }
.contact-faq details p { margin: 12px 32px 0 0; color: var(--muted); font-size: 17px; word-break: keep-all; }
.site-footer { position: fixed; inset-inline: 0; bottom: 0; z-index: 10; color: var(--muted); font-size: 16px; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 8px 30px; border-top: 1px solid var(--line); padding: 14px 0 calc(14px + env(safe-area-inset-bottom, 0px)); }
.footer-inner p { margin: 0; }
.footer-links { display: flex; align-items: center; flex-wrap: wrap; gap: 20px; font-size: 16px; }
.footer-links a:hover { color: var(--ink); }

@property --wash-radius {
  syntax: '<length>';
  inherits: false;
  initial-value: 0px;
}
.navigation-wash {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: .22;
  mask-image: radial-gradient(circle at var(--transition-x) var(--transition-y), transparent var(--wash-radius), #000 calc(var(--wash-radius) + 1px));
}

.article-dialog { --paper: #faf9f6; --ink: #252620; --muted: #65665d; --line: #deded5; --amber: #b97827; color-scheme: light; isolation: isolate; position: fixed; inset: 0; width: 100%; height: 100dvh; max-width: none; max-height: none; margin: 0; border: 0; background: var(--paper); color: var(--ink); padding: 0; overflow: auto; overscroll-behavior: contain; }
.article-dialog::backdrop { background: #2526203d; opacity: 1; transition: opacity 260ms cubic-bezier(.22, 1, .36, 1); }
.article-dialog.is-closing::backdrop { opacity: 0; }
.article-wash { position: fixed; inset: 0; z-index: 0; pointer-events: none; background: #c9822c; opacity: .14; mask-image: radial-gradient(circle at var(--transition-x) var(--transition-y), transparent var(--wash-radius), #000 calc(var(--wash-radius) + 1px)); }
.article-header { position: sticky; top: 0; z-index: 2; background: var(--paper); min-height: 90px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-bottom: 1px solid var(--line); }
.article-brand { font-size: 22px; font-weight: 700; letter-spacing: -.6px; }
.article-header button { display: inline-flex; align-items: center; gap: 16px; border: 0; background: none; padding: 8px 0; font-size: 16px; }
.article-header button span[aria-hidden] { font-size: 26px; }
.article-content { position: relative; z-index: 1; width: min(720px, calc(100% - 64px)); margin: 60px auto 90px; }
.article-content > time { color: var(--muted); font-size: 16px; }
.article-category { margin: 0 0 8px; color: var(--muted); font-size: 16px; }
.article-content > h1 { margin: 16px 0 18px; font-size: 42px; line-height: 1.45; letter-spacing: -.055em; font-weight: 600; word-break: keep-all; }
.article-description { font-size: 20px; color: var(--muted); line-height: 1.9; word-break: keep-all; margin: 0; }
.prose { border-top: 1px solid var(--line); margin-top: 34px; padding-top: 14px; overflow-wrap: break-word; }
.prose h1, .prose h2, .prose h3 { line-height: 1.6; letter-spacing: -.04em; margin: 30px 0 14px; }
.prose h1 { font-size: 32px; }
.prose h2 { font-size: 28px; }
.prose h3 { font-size: 24px; }
.prose p, .prose li { font-size: 18px; line-height: 2; color: #4e5048; word-break: keep-all; }
.prose a { color: #996120; text-decoration: underline; text-underline-offset: 3px; }
.prose img { max-width: 100%; height: auto; }
.prose blockquote { border-left: 3px solid var(--amber); margin: 24px 0; padding-left: 22px; }
.prose pre { padding: 20px; background: #eeede7; border-radius: 4px; overflow-x: auto; line-height: 1.7; }
.prose code { font-family: var(--mono); font-size: 16px; background: #eeede7; padding: 2px 4px; border-radius: 3px; }
.prose pre code { padding: 0; }
.prose table { display: block; width: 100%; overflow-x: auto; border-collapse: collapse; font-size: 17px; }
.prose th, .prose td { border-bottom: 1px solid var(--line); padding: 10px 16px; text-align: left; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 32px 0; }

@media (max-width: 900px) {
  .header-controls { gap: 20px; }
  .site-header nav { gap: 20px; }
  .home-hero { grid-template-columns: 1fr; gap: 30px; padding: 48px 0 42px; }
  .intro h1 { font-size: 52px; }
  .home-index { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 24px; }
  .home-index > h2 { grid-column: 1 / -1; margin-bottom: 14px; }
  .topic-link { padding-top: 16px; border-top: 1px solid var(--line); border-bottom: 0; }
  .home-about { gap: 40px; }
  .blog-toolbar { gap: 24px; }
  .search-field { max-width: 300px; }
}
@media (max-width: 760px) {
  .page-width { width: calc(100% - 48px); }
  .header-inner { display: grid; grid-template-columns: minmax(0, 1fr) auto; min-height: 0; gap: 18px 16px; padding-block: 24px 20px; }
  .header-controls { display: contents; }
  .brand { font-size: 23px; gap: 9px; }
  .brand img { width: 32px; height: 32px; }
  .site-header nav { grid-column: 1 / -1; grid-row: 2; justify-content: space-between; gap: 20px; }
  .language-switch { --language-inset: 0px; grid-column: 2; grid-row: 1; border-left: 0; }
  .intro h1 { font-size: 48px; }
  .intro p { font-size: 18px; }
  .content-view { padding: 44px 0 56px; }
  .expertise-grid { gap: 26px; }
  .expertise-item h2 { font-size: 20px; }
  .method-grid { gap: 26px; }
  .home-about { grid-template-columns: 1fr 1fr; gap: 32px; }
  .blog-toolbar { flex-direction: column; align-items: stretch; gap: 18px; }
  .search-field { max-width: none; }
  .contact-layout { flex-direction: column; gap: 30px; }
}
@media (max-width: 580px) {
  :root { --footer-height: 90px; }
  html { scroll-padding-top: 24px; }
  .site-header { position: static; }
  .header-inner { gap: 20px 12px; padding-block: 25px 21px; }
  .brand { font-size: 24px; }
  .site-header nav { width: 100%; justify-content: space-between; gap: 16px; }
  .site-header nav a { font-size: 16px; }
  .home-hero { gap: 32px; padding: 40px 0 34px; }
  .intro h1 { font-size: clamp(32px, 7.9vw, 44px); line-height: 1.45; margin-bottom: 24px; }
  .intro p { font-size: 18px; line-height: 1.9; }
  .desktop-break { display: none; }
  .hero-actions { gap: 14px 22px; margin-top: 24px; }
  .home-index { display: block; }
  .home-index > h2 { margin-bottom: 8px; }
  .topic-link { border-top: 0; border-bottom: 1px solid var(--line); padding: 14px 0; }
  .topic-link:last-child { border-bottom: 0; padding-bottom: 0; }
  .home-journal { padding: 26px 0 28px; }
  .section-heading { gap: 16px; }
  .section-heading h2 { font-size: 25px; }
  .section-heading .text-link { flex-shrink: 0; font-size: 16px; }
  .home-post-list .post-item { grid-template-columns: 1fr; gap: 8px; }
  .home-post-list .post-meta { grid-row: auto; flex-direction: row; gap: 8px 20px; }
  .home-post-list .post-item h3, .home-post-list .post-item p { grid-column: auto; }
  .home-about { grid-template-columns: 1fr; gap: 26px; padding: 28px 0 34px; }
  .section-copy h2 { font-size: 25px; }
  .home-contact { padding-top: 0; }
  .content-view { padding: 36px 0 44px; }
  .content-view > h1 { font-size: 32px; margin-bottom: 20px; }
  .view-intro { margin-bottom: 30px; }
  .expertise-grid { grid-template-columns: 1fr; gap: 32px; }
  .expertise-item h2 { font-size: 22px; margin-bottom: 7px; }
  .expertise-item p { font-size: 17px; }
  .topic-details ul, ul.topic-details { margin-top: 16px; }
  .research-method { margin-top: 32px; padding-top: 26px; }
  .research-method > h2 { font-size: 25px; }
  .method-grid { grid-template-columns: 1fr; gap: 26px; }
  .section-cta { flex-direction: column; align-items: flex-start; gap: 16px; margin-top: 30px; }
  .filter-list { gap: 8px; }
  .filter-button { padding-inline: 11px; }
  .reading-guide { margin-top: 28px; padding-top: 25px; }
  .post-list { gap: 10px; }
  .post-list > .post-item { padding: 22px 20px; }
  .post-list .post-item h2 { font-size: 22px; }
  .post-item h3 { font-size: 22px; }
  .founder-profile h2 { font-size: 30px; }
  .founder-name { margin-bottom: 18px; }
  .founder-description { font-size: 18px; }
  .founder-background { grid-template-columns: 1fr; gap: 32px; margin-top: 36px; }
  .founder-details h2 { font-size: 25px; }
  .founder-records { margin-top: 40px; }
  .founder-records > h2 { font-size: 25px; }
  .achievement-list li { grid-template-columns: minmax(0, 1fr) 100px; gap: 5px 16px; padding-block: 20px; }
  .record-year { grid-column: 1 / -1; padding-top: 0; margin-bottom: 2px; }
  .achievement-list h3, .record-result { font-size: 18px; }
  .achievement-list p { font-size: 17px; }
  .achievement-summary > div { display: contents; }
  .achievement-summary h3 { grid-column: 1; grid-row: 2; }
  .achievement-summary .record-result { grid-column: 2; grid-row: 2; }
  .achievement-summary p { grid-column: 1 / -1; grid-row: 3; margin-top: 6px; }
  .contact-layout { gap: 28px; }
  .contact-options { grid-template-columns: 1fr; gap: 28px; margin-top: 32px; }
  .contact-option h2 { font-size: 25px; }
  .contact-pgp { margin-top: 30px; padding-top: 25px; }
  .contact-checklist { margin-top: 30px; padding-top: 25px; }
  .contact-faq { margin-top: 26px; }
  .email-link { font-size: 23px; }
  .footer-inner { align-items: flex-start; flex-direction: column; gap: 6px; padding: 12px 0 calc(12px + env(safe-area-inset-bottom, 0px)); }
  .article-header { min-height: 83px; }
  .article-brand { font-size: 19px; }
  .article-header button { gap: 10px; }
  .article-content { width: calc(100% - 48px); margin-top: 35px; }
  .article-content > h1 { font-size: 32px; }
  .article-description { font-size: 18px; }
  .prose h2 { font-size: 25px; }
  .prose p, .prose li { font-size: 17px; }
}
@media (max-width: 360px) {
  .page-width { width: calc(100% - 40px); }
  .brand { font-size: 22px; gap: 8px; }
  .site-header nav { gap: 12px; }
  .email-link { font-size: 22px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .navigation-wash, .article-wash { display: none; }
  .article-dialog::backdrop { transition: none; }
}