:root {
  --paper: #FAFAFA;
  --panel: #F1F1EF;
  --ink: #1A1A1A;
  --ink-soft: #5E5E5C;
  --rule: #E2E2DF;
  --accent: #2A2A2A;
  --accent-soft: #EAEAE7;
  --marker: #1A1A1A;
  --marker-ink: #FAFAFA;

  --display: "Syne", "Trebuchet MS", sans-serif;
  --body: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;

  --gutter: clamp(20px, 5vw, 56px);
  --measure: 62ch;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 88px; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 1080px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

a { color: inherit; }

:where(a, button):focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

.label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0;
}

/* ---------- masthead ---------- */

.masthead {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
}

.masthead-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 28px;
  padding-block: 18px 16px;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-family: var(--display);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
}

/* The mark ships on an off-white plate; multiply drops it onto any light surface. */
.mark {
  display: block;
  width: auto;
  mix-blend-mode: multiply;
}

.masthead-inner .mark { height: 28px; }

.masthead-inner nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
}

.masthead-inner nav a {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  text-decoration: none;
  padding-block: 2px;
  border-bottom: 1px solid transparent;
}

.masthead-inner nav a:hover,
.masthead-inner nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--accent); }

/* ---------- hero ---------- */

.hero { padding-block: clamp(44px, 8vw, 88px) clamp(40px, 7vw, 72px); }

.hero h1 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(38px, 7.2vw, 74px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  text-wrap: balance;
  margin: 18px 0 0;
  max-width: 16ch;
}

.marker {
  background: var(--marker);
  color: var(--marker-ink);
  padding-inline: 0.12em;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.hero p.lede {
  margin: 26px 0 0;
  max-width: var(--measure);
  font-size: clamp(17px, 1.9vw, 20px);
  color: var(--ink-soft);
}

.doing {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
  max-width: var(--measure);
}

.doing li {
  display: grid;
  grid-template-columns: 1.4em 1fr;
  gap: 10px;
  font-size: 16px;
}

.doing li::before {
  content: "↳";
  font-family: var(--mono);
  color: var(--accent);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.btn {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-decoration: none;
  padding: 12px 20px;
  border: 1px solid var(--accent);
  transition: background-color .18s ease, color .18s ease;
}

.btn--solid { background: var(--accent); color: var(--paper); }
.btn--solid:hover { background: transparent; color: var(--accent); }
.btn--ghost { color: var(--accent); }
.btn--ghost:hover { background: var(--accent-soft); }

.strip {
  margin-top: clamp(40px, 6vw, 64px);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding-block: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.strip span:not(:last-child)::after {
  content: " ·";
  color: var(--accent);
}

/* ---------- section shell ---------- */

.section {
  padding-block: clamp(44px, 7vw, 76px);
  border-top: 1px solid var(--rule);
  display: grid;
  gap: 28px;
}

.hero + .section { border-top: 0; }

@media (min-width: 900px) {
  .section {
    grid-template-columns: 170px 1fr;
    gap: 48px;
  }
  .section > .label { padding-top: 6px; }
}

.section h2 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(26px, 3.4vw, 36px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  text-wrap: balance;
  margin: 0 0 20px;
  max-width: 22ch;
}

.section-body > p:not(.note) { max-width: var(--measure); margin: 0 0 20px; color: var(--ink-soft); }

/* ---------- who ---------- */

.panels {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.panel {
  background: var(--panel);
  border: 1px solid var(--rule);
  padding: 24px;
  display: grid;
  align-content: start;
  gap: 10px;
}

.panel h3 {
  font-family: var(--display);
  font-weight: 600;
  font-size: 19px;
  margin: 0;
}

.panel p { margin: 0; color: var(--ink-soft); font-size: 15.5px; }

/* ---------- mission steps ---------- */

.steps {
  display: grid;
  gap: 28px;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  counter-reset: step;
}

.step {
  border-top: 2px solid var(--accent);
  padding-top: 14px;
  display: grid;
  align-content: start;
  gap: 8px;
}

.step .n {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--accent);
}

.step h3 {
  font-family: var(--display);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.15;
  margin: 0;
}

.step p { margin: 0; color: var(--ink-soft); font-size: 15.5px; }

/* ---------- register list ---------- */

.register { display: grid; }

.register div {
  display: grid;
  grid-template-columns: 3.2em 1fr;
  gap: 14px;
  padding-block: 16px;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
}

.register div:first-child { border-top: 1px solid var(--rule); }

.register .k {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.register .v { font-size: 17px; }

/* ---------- link cards ---------- */

.links { display: grid; gap: 14px; }

.link {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 16px;
  text-decoration: none;
  border: 1px solid var(--rule);
  background: var(--panel);
  padding: 20px 22px;
  transition: border-color .18s ease, background-color .18s ease, transform .18s ease;
}

.link:hover { border-color: var(--accent); background: var(--accent-soft); transform: translateX(3px); }

.link strong {
  font-family: var(--display);
  font-weight: 600;
  font-size: 18px;
  display: block;
}

.link span { color: var(--ink-soft); font-size: 15px; }

.link .arrow { font-family: var(--mono); color: var(--accent); font-size: 18px; }

.note {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 14px 0 0;
}

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--rule);
  background: var(--panel);
  margin-top: clamp(48px, 8vw, 88px);
}

.footer-inner {
  padding-block: clamp(40px, 6vw, 60px) 28px;
  display: grid;
  gap: 36px;
}

@media (min-width: 820px) {
  .footer-inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 48px;
  }
}

.footer-inner .wordmark { margin-bottom: 16px; }
.footer-inner .mark { height: 30px; }

.footer-blurb {
  margin: 0;
  max-width: 46ch;
  font-size: 16px;
  color: var(--ink-soft);
}

.footer-stats {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 14px 36px;
}

.footer-stats .num {
  display: block;
  font-family: var(--display);
  font-weight: 700;
  font-size: 30px;
  line-height: 1.1;
  color: var(--ink);
}

.footer-stats .cap {
  display: block;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.footer-nav {
  display: grid;
  gap: 28px;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  align-content: start;
}

.footer-nav h2 {
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 12px;
}

.footer-nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.footer-nav a {
  font-size: 15px;
  text-decoration: none;
  color: var(--ink);
  border-bottom: 1px solid transparent;
}

.footer-nav a:hover { border-bottom-color: var(--accent); }

.footer-base {
  border-top: 1px solid var(--rule);
  padding-block: 18px 40px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

.footer-base a { color: var(--ink-soft); }

/* ---------- luma embeds ---------- */

.embed {
  display: block;
  width: 100%;
  height: 560px;
  border: 1px solid var(--rule);
  background: var(--panel);
}

.embed-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
}

.embed--event { height: 900px; }

@media (max-width: 600px) {
  .embed { height: 640px; }
  .embed--event { height: 860px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}

/* ---------- past events ---------- */

.past-list { display: grid; gap: 16px; }

.past-card {
  display: grid;
  grid-template-columns: minmax(0, 160px) minmax(0, 1fr);
  align-items: center;
  gap: 22px;
  text-decoration: none;
  border: 1px solid var(--rule);
  background: var(--paper);
  padding: 14px;
  transition: border-color .18s ease, background-color .18s ease, transform .18s ease;
}

.past-card:hover { border-color: var(--accent); background: var(--accent-soft); transform: translateX(3px); }

.past-card__cover {
  display: block;
  width: 100%;
  height: auto;
  background: var(--panel);
  border: 1px solid var(--rule);
}

.past-card__body { display: grid; gap: 7px; }

.past-card__date {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.past-card__title {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.25;
  color: var(--ink);
  text-wrap: balance;
}

@media (max-width: 560px) {
  .past-card { grid-template-columns: 1fr; gap: 14px; }
}

/* ---------- people ---------- */

.people {
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.person {
  border: 1px solid var(--rule);
  background: var(--panel);
  padding: 22px;
  display: grid;
  align-content: start;
  gap: 8px;
}

.person .avatar {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border: 1px solid var(--accent);
  border-radius: 50%;
  font-family: var(--mono);
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--accent);
  margin-bottom: 6px;
}

.person h3 {
  font-family: var(--display);
  font-weight: 600;
  font-size: 18px;
  margin: 0;
}

.person .role {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.person__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.person__link > span:first-child { border-bottom: 1px solid var(--rule); }
.person__link:hover > span:first-child { border-bottom-color: var(--accent); }

.person__link .icon { width: 0.8em; height: 0.8em; color: var(--ink-soft); }
.person__link:hover .icon { color: var(--accent); }

/* ---------- stat row ---------- */

.stats {
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.stats li {
  border-top: 2px solid var(--accent);
  padding-top: 12px;
}

.stats .num {
  display: block;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(30px, 4.5vw, 42px);
  line-height: 1.05;
}

.stats .cap {
  display: block;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-top: 4px;
}

@media (max-width: 620px) {
  .masthead-inner { padding-block: 12px; gap: 10px 16px; }
  .masthead-inner .wordmark span { display: none; }
  .masthead-inner .mark { height: 26px; }
  .masthead-inner nav { gap: 6px 16px; }
  html { scroll-padding-top: 66px; }
}

/* ---------- icons ---------- */

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

.icon {
  width: 1.05em;
  height: 1.05em;
  flex: none;
  fill: currentColor;
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border-bottom: 0;
}

.footer-social a > span { border-bottom: 1px solid transparent; }
.footer-social a:hover > span { border-bottom-color: var(--accent); }
.footer-social .icon { color: var(--ink-soft); }
.footer-social a:hover .icon { color: var(--accent); }

/* Visually hidden, still read out. */
.vh {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}