:root { --font-geist-sans: Arial, Helvetica, sans-serif; }
html { -webkit-text-size-adjust: 100%; }
body, h1, h2, h3, p { margin-block-start: 0; }
img { display: block; max-width: 100%; }
button { font: inherit; }
[hidden] { display: none !important; }
.menu-button [data-menu-icon] { font-size: 1.45rem; line-height: 1; }

:root {
  --text: #4b4b4b;
  --heading: #3f3f3f;
  --muted: #717171;
  --link: #356a99;
  --rule: #ececec;
  --soft: #f7f8fa;
  --nav-height: 72px;
  --background: #fff;
  --foreground: var(--text);
  --radius: .625rem;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: #fff;
  color: var(--text);
  font-family: var(--font-geist-sans), Arial, Helvetica, sans-serif;
  font-size: 17px;
  line-height: 1.72;
}
::selection { background: #d9e8f4; color: #243746; }
a { color: var(--link); text-underline-offset: .18em; }
a:hover { color: #244f74; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid #4b83b1; outline-offset: 4px; }
section[id] { scroll-margin-top: calc(var(--nav-height) + 24px); }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: 100;
  left: 1rem;
  top: 1rem;
  padding: .65rem 1rem;
  background: #fff;
  border: 1px solid #d8d8d8;
  transform: translateY(-180%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.1rem, 4vw, 3.2rem);
  background: #fff;
  border-bottom: 1px solid #e7e7e7;
}
.site-name {
  color: #666;
  font-size: .98rem;
  font-weight: 650;
  text-decoration: none;
}
.desktop-nav { display: flex; align-items: center; gap: 1.35rem; }
.desktop-nav > a { color: #6b6b6b; font-size: .96rem; text-decoration: none; }
.mobile-controls { display: none; align-items: center; gap: 1.25rem; }
.mobile-controls > a { color: #6b6b6b; font-size: .96rem; text-decoration: none; }
.menu-button {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  padding: 0;
  color: #606060;
  background: #fff;
  border: 1px solid #d9d9d9;
  cursor: pointer;
}
.menu-button svg { width: 25px; height: 25px; }
.mobile-nav {
  position: absolute;
  top: calc(100% + 1px);
  right: clamp(1.1rem, 4vw, 3.2rem);
  width: min(320px, calc(100vw - 2.2rem));
  display: grid;
  padding: .55rem 1.2rem;
  background: #fff;
  border: 1px solid #dedede;
  box-shadow: 0 12px 32px rgba(40, 50, 58, .14);
}
.mobile-nav[hidden] { display: none !important; }
.mobile-nav a {
  padding: .72rem 0;
  color: #555;
  border-bottom: 1px solid var(--rule);
  text-decoration: none;
}
.mobile-nav a:last-child { border-bottom: 0; }

.hero {
  position: relative;
  height: clamp(520px, 58vw, 620px);
  overflow: hidden;
  color: #fff;
  background: #173042;
}
.hero-image, .hero-overlay { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-image { object-fit: cover; object-position: center 48%; }
.hero-overlay { background: rgba(7, 25, 38, .48); }
.hero-content {
  position: relative;
  z-index: 2;
  height: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 2.8rem 1.3rem 3.4rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  text-shadow: 0 2px 10px rgba(0, 0, 0, .55);
}
.workshop-status {
  margin: 0 0 1rem;
  padding: .28rem .7rem;
  border: 1px solid rgba(255, 255, 255, .72);
  font-size: .78rem;
  font-weight: 650;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.hero h1 {
  max-width: none;
  margin: 0 0 1.25rem;
  color: #fff;
  font-size: clamp(2.4rem, 4.2vw, 4.2rem);
  font-weight: 720;
  line-height: 1.08;
  letter-spacing: -.035em;
  white-space: nowrap;
}
.hero-content > p:not(.workshop-status) { margin: .12rem 0; font-size: clamp(1rem, 1.65vw, 1.35rem); }
.hero-contact { overflow-wrap: anywhere; }
.hero-contact a { color: #fff; }
.hero-credit {
  position: absolute;
  z-index: 2;
  right: .8rem;
  bottom: .45rem;
  margin: 0;
  color: rgba(255, 255, 255, .76);
  font-size: .67rem;
}

.reading-column {
  width: calc(100% - 2.5rem);
  max-width: 880px;
  margin: 0 auto;
}
.content-section { padding: 2.7rem 0 .35rem; }
.content-section h2 {
  margin: 0 0 1.35rem;
  padding-bottom: .55rem;
  color: var(--heading);
  border-bottom: 1px solid var(--rule);
  font-size: 1.55rem;
  font-weight: 680;
  line-height: 1.25;
  letter-spacing: -.018em;
}
.content-section h3 { color: var(--heading); }
.content-section p { margin: 0 0 1rem; }
.content-section ul { padding-left: 1.35rem; }
.content-section li { margin: .55rem 0; }
.section-note { color: var(--muted); }
.news-list,
.topic-list-simple,
.guideline-list { margin: 0; list-style: disc; }

.date-list { margin: 0; list-style: disc; }
.date-list li { display: grid; grid-template-columns: minmax(180px, .8fr) minmax(180px, 1fr); column-gap: 1rem; }
.date-list li::before { display: none; }
.date-list li > strong { margin-right: .35rem; }
.date-list small { grid-column: 2; color: var(--muted); }

.schedule-table-wrapper { width: 100%; overflow-x: auto; }
.schedule-table { width: 100%; border-collapse: collapse; font-size: 1rem; }
.schedule-table th { padding: 1.2rem .85rem .45rem; color: var(--heading); text-align: left; font-size: 1.08rem; }
.schedule-table td { padding: .7rem .85rem; border-bottom: 1px solid var(--rule); vertical-align: top; }
.schedule-table th[scope="row"] { width: 155px; padding: .7rem .85rem; border-bottom: 1px solid var(--rule); white-space: nowrap; vertical-align: top; font-size: 1rem; font-weight: 400; font-variant-numeric: tabular-nums; }
.schedule-table small { color: var(--muted); }
.session-heading { background: var(--soft); }

.people-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 2.1rem 1.5rem;
  padding-top: .6rem;
}
.people-grid-three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.person-card { min-width: 0; text-align: center; }
.person-portrait {
  position: relative;
  width: min(100%, 164px);
  aspect-ratio: 1;
  margin: 0 auto 1rem;
  overflow: hidden;
  display: grid;
  place-items: center;
  color: #526b7d;
  background: #eaf0f4;
  border: 1px solid #d5e0e7;
  border-radius: 50%;
  font-size: 2rem;
  font-weight: 650;
}
.person-portrait img { object-fit: cover; }
.person-card h3 { margin: 0 0 .28rem; font-size: 1.02rem; font-weight: 680; }
.person-card p { margin: 0 0 .3rem; color: #666; font-size: .86rem; line-height: 1.45; }
.person-card small { display: block; color: #666; font-size: .72rem; line-height: 1.45; }

.contact-section a { overflow-wrap: anywhere; }

.site-footer {
  max-width: 880px;
  margin: 4rem auto 0;
  padding: 1.5rem 1.25rem 2.5rem;
  color: #666;
  border-top: 1px solid var(--rule);
  font-size: .8rem;
  text-align: center;
}
.site-footer p { margin: .3rem 0; }

@media (max-width: 900px) {
  .people-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .desktop-nav { display: none; }
  .mobile-controls { display: flex; }
}

@media (max-width: 860px) {
  .hero h1 { max-width: 19ch; white-space: normal; }
}

@media (max-width: 640px) {
  :root { --nav-height: 68px; }
  body { font-size: 16px; }
  .site-header { padding-inline: 1rem; }
  .site-name { max-width: 235px; font-size: .92rem; }
  .mobile-controls { gap: 1rem; }
  .mobile-controls > a { font-size: .9rem; }
  .menu-button { width: 40px; height: 40px; }
  .mobile-nav { right: 1rem; }
  .hero { height: 500px; }
  .hero-content { padding-inline: 1rem; }
  .hero h1 { max-width: 12ch; font-size: clamp(2.25rem, 10.5vw, 3.2rem); line-height: 1.08; }
  .hero-content > p:not(.workshop-status) { font-size: 1rem; }
  .reading-column { width: calc(100% - 2rem); }
  .content-section { padding-top: 2.25rem; }
  .content-section h2 { font-size: 1.4rem; }
  .date-list li { display: block; }
  .date-list small { display: block; }
  .schedule-table { min-width: 0; }
  .schedule-table td { padding: .62rem .5rem; }
  .schedule-table th[scope="row"] { width: 118px; padding: .62rem .5rem; }
  .schedule-table small { display: block; }
  .people-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.75rem 1rem; }
  .person-portrait { width: min(100%, 138px); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}