:root {
  --ink: #082e4f; --ink-2: #173f5e; --paper: #f4f8fa; --white: #fff;
  --line: #c7d9e2; --muted: #587187; --cyan: #20add5; --cyan-pale: #dff4f8;
  --gold: #c77707; --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); font-size: 16px; line-height: 1.65; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
a:focus-visible { outline: 3px solid var(--cyan); outline-offset: 4px; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 10; padding: .65rem 1rem; color: #fff; background: var(--ink); }
.skip-link:focus { top: 1rem; }
.site-header { min-height: 78px; max-width: 1360px; margin: auto; padding: 0 4vw; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.wordmark { display: flex; align-items: center; gap: .8rem; text-decoration: none; }
.wordmark strong { display: block; font-size: 1.18rem; letter-spacing: .06em; }
.wordmark small { display: block; margin-top: -.2rem; color: var(--muted); font-size: .67rem; letter-spacing: .14em; text-transform: uppercase; }
.wordmark-mark { width: 46px; height: 46px; position: relative; display: block; overflow: hidden; border: 1px solid var(--line); border-radius: 50%; }
.wordmark-mark i { position: absolute; left: -6px; width: 58px; height: 16px; border: 2px solid var(--cyan); border-radius: 50%; transform: rotate(-8deg); }
.wordmark-mark i:nth-child(1) { top: 7px; }
.wordmark-mark i:nth-child(2) { top: 16px; border-color: var(--gold); transform: rotate(8deg); }
.wordmark-mark i:nth-child(3) { top: 25px; }
.site-header nav { display: flex; align-items: center; gap: 1.6rem; }
.site-header nav a { font-size: .9rem; font-weight: 650; text-decoration: none; }
.site-header nav a:not(.member-link):hover { color: #087ba5; }
.member-link { padding: .55rem .9rem; border: 1px solid var(--ink); border-radius: 999px; }
.member-link:hover { color: #fff; background: var(--ink); }
.hero, .archive-section, .scope-section, footer { max-width: 1360px; margin: auto; padding-left: 4vw; padding-right: 4vw; }
.hero { min-height: 650px; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(360px, .85fr); gap: 8vw; align-items: center; position: relative; overflow: hidden; }
.hero::before { content: ""; position: absolute; width: 720px; height: 720px; right: -300px; top: -260px; border: 1px solid var(--line); border-radius: 50%; box-shadow: 0 0 0 54px rgba(32,173,213,.035), 0 0 0 108px rgba(199,119,7,.025); pointer-events: none; }
.hero-copy, .instrument-panel { position: relative; z-index: 1; }
.eyebrow, .doc-type { margin: 0 0 .8rem; color: var(--gold); font-size: .72rem; font-weight: 750; letter-spacing: .16em; text-transform: uppercase; }
h1, h2, h3 { margin-top: 0; font-family: var(--serif); font-weight: 600; line-height: 1.03; }
h1 { max-width: 760px; margin-bottom: 1.5rem; font-size: clamp(3.1rem, 6.2vw, 6rem); letter-spacing: -.055em; }
h2 { font-size: clamp(2.5rem, 4.2vw, 4.35rem); letter-spacing: -.045em; }
h3 { font-size: 1.55rem; letter-spacing: -.025em; }
.lede { max-width: 720px; margin: 0 0 2.1rem; color: var(--ink-2); font-size: clamp(1.08rem, 1.7vw, 1.4rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; }
.button { display: inline-block; padding: .75rem 1.15rem; border: 1px solid var(--ink); border-radius: 999px; font-size: .9rem; font-weight: 750; text-decoration: none; }
.button.primary { color: #fff; background: var(--ink); }
.button.primary:hover { background: #124e77; }
.button.secondary:hover { background: #fff; }
.instrument-panel { padding: 1.5rem; color: #fff; background: var(--ink); border-radius: 24px; box-shadow: 0 28px 60px rgba(8,46,79,.16); }
.spectrum { height: 230px; position: relative; overflow: hidden; background: linear-gradient(140deg, #061d32, #0c3a5f); border: 1px solid rgba(255,255,255,.15); border-radius: 15px; }
.spectrum::before, .spectrum::after { content: ""; position: absolute; inset: 18% -15%; border: 1px solid rgba(255,255,255,.15); border-radius: 50%; transform: rotate(-7deg); }
.spectrum::after { inset: 27% -12%; border-color: rgba(32,173,213,.48); transform: rotate(8deg); }
.spectrum span { position: absolute; top: 14%; bottom: 14%; width: 2px; background: var(--cyan); box-shadow: 0 0 14px rgba(32,173,213,.9); }
.spectrum span:nth-child(1) { left: 16%; height: 47%; top: 33%; }
.spectrum span:nth-child(2) { left: 28%; background: #82e9ff; }
.spectrum span:nth-child(3) { left: 51%; top: 27%; bottom: 18%; background: #f4ad37; box-shadow: 0 0 14px rgba(244,173,55,.8); }
.spectrum span:nth-child(4) { left: 72%; height: 44%; top: 42%; }
.spectrum span:nth-child(5) { left: 86%; top: 23%; background: #f4ad37; }
.panel-grid { display: grid; grid-template-columns: repeat(3, 1fr); margin: 1.25rem 0; border: solid rgba(255,255,255,.22); border-width: 1px 0; }
.panel-grid div { padding: .9rem .7rem; border-right: 1px solid rgba(255,255,255,.22); }
.panel-grid div:last-child { border-right: 0; }
.panel-grid strong, .panel-grid span { display: block; }
.panel-grid strong { color: #8be7fa; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 1.35rem; }
.panel-grid span { font-size: .73rem; }
.instrument-panel > p { margin: 0; color: #dceaf2; font-size: .85rem; }
.archive-section { padding-top: 7rem; padding-bottom: 7rem; background: #fff; border-radius: 34px 34px 0 0; }
.section-heading { display: grid; grid-template-columns: 1fr minmax(280px,.55fr); gap: 8vw; align-items: end; margin-bottom: 3.5rem; }
.section-heading h2 { margin-bottom: 0; }
.section-heading > p { margin: 0 0 .5rem; color: var(--muted); }
.featured-document { display: grid; grid-template-columns: 120px 1fr auto; gap: 2rem; align-items: center; padding: 2.4rem; background: var(--cyan-pale); border: 1px solid #b1dce8; border-radius: 22px; }
.featured-document h3 { max-width: 780px; margin-bottom: .9rem; font-size: clamp(1.7rem,3vw,2.6rem); }
.featured-document p { max-width: 850px; margin-bottom: 0; }
.doc-index { align-self: stretch; padding-right: 1.5rem; border-right: 1px solid #9ccbd8; color: var(--muted); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .8rem; letter-spacing: .06em; }
.arrow-link { font-size: .88rem; font-weight: 800; white-space: nowrap; text-decoration-thickness: 1px; text-underline-offset: .28em; }
.arrow-link:hover { color: #087ba5; }
.document-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 1.25rem; margin-top: 1.25rem; }
.document-card { min-height: 310px; padding: 2rem; display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: 22px; }
.document-card::before { content: ""; width: 52px; height: 4px; margin-bottom: 1.7rem; border-radius: 99px; background: var(--cyan); }
.document-card.accent-gold::before { background: var(--gold); }
.document-card p:not(.doc-type) { color: var(--muted); }
.document-card .arrow-link { margin-top: auto; align-self: flex-start; }
.seminar-list { margin: 3rem 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.seminar-list li { display: grid; grid-template-columns: 74px 1fr auto; gap: 1.5rem; align-items: center; padding: 1.4rem .25rem; border-bottom: 1px solid var(--line); }
.seminar-number { color: var(--cyan); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-weight: 800; }
.seminar-list time { display: block; color: var(--gold); font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.seminar-list h3 { margin: .25rem 0 0; font-size: 1.16rem; line-height: 1.3; }
.seminar-list a { font-size: .82rem; font-weight: 800; white-space: nowrap; text-underline-offset: .3em; }
.scope-section { display: grid; grid-template-columns: 1fr 1fr; gap: 9vw; padding-top: 7rem; padding-bottom: 7rem; color: #fff; background: var(--ink); }
.scope-section h2 { margin-bottom: 0; }
.scope-copy p { color: #d4e4ec; }
.scope-copy .button { margin-top: 1rem; color: var(--ink); background: #fff; border-color: #fff; }
.scope-copy .button:hover { background: var(--cyan-pale); }
footer { padding-top: 2.3rem; padding-bottom: 2.3rem; display: flex; justify-content: space-between; gap: 2rem; color: #d9e7ee; background: #061f35; border-top: 1px solid rgba(255,255,255,.16); }
footer p { margin: .25rem 0 0; font-size: .82rem; }
.footer-links { display: flex; gap: 1.5rem; align-items: center; font-size: .82rem; }
@media (max-width: 900px) {
  .site-header nav a:not(.member-link) { display: none; }
  .hero { grid-template-columns: 1fr; gap: 3.5rem; padding-top: 6rem; padding-bottom: 6rem; }
  .instrument-panel { max-width: 650px; }
  .section-heading, .scope-section { grid-template-columns: 1fr; gap: 2rem; }
  .featured-document { grid-template-columns: 1fr; }
  .doc-index { padding: 0 0 .75rem; border-right: 0; border-bottom: 1px solid #9ccbd8; }
  .featured-document .arrow-link { justify-self: start; }
}
@media (max-width: 640px) {
  .site-header { padding-left: 1rem; padding-right: 1rem; }
  .wordmark small { display: none; }
  .hero, .archive-section, .scope-section, footer { padding-left: 1.15rem; padding-right: 1.15rem; }
  h1 { font-size: clamp(2.8rem,15vw,4.4rem); }
  .instrument-panel { padding: .9rem; }
  .spectrum { height: 185px; }
  .panel-grid, .document-grid { grid-template-columns: 1fr; }
  .panel-grid div { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.22); }
  .panel-grid div:last-child { border-bottom: 0; }
  .seminar-list li { grid-template-columns: 42px 1fr; }
  .seminar-list li a { grid-column: 2; }
  footer, .footer-links { flex-direction: column; align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }