.opportunity-section { scroll-margin-top: 1rem; }

.opportunity-jumps { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-bottom: 1rem; border-block: 1px solid var(--rule); }
.opportunity-jumps a {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: .7rem;
  padding: .65rem .8rem;
  color: var(--navy);
  font: 720 1rem/1.2 var(--display);
  text-decoration: none;
}
.opportunity-jumps a + a { border-inline-start: 1px solid var(--rule); }
.opportunity-jumps span { color: var(--accent); font: 650 .77rem ui-monospace, monospace; }
.opportunity-jumps a:is(:hover, :focus-visible) { background: var(--tint); }

.seminar-board { overflow: hidden; border: 1px solid #cbd9f2; background: var(--paper); }
.seminar-header {
  display: grid;
  grid-template-columns: minmax(0, 2.2fr) minmax(0, 1fr);
  align-items: end;
  gap: 1.65rem 3rem;
  padding: clamp(1.35rem, 4.3vw, 3rem);
  background: var(--accent);
  color: white;
}

.seminar-header .eyebrow { color: #c4d7ff; }
.seminar-header h2 { margin: .45rem 0 .7rem; max-width: 26ch; font-size: clamp(1.8rem, 4vw, 3.35rem); line-height: 1.06; letter-spacing: -.05em; }
.seminar-header div:first-child > p:last-child { max-width: 65ch; color: #e0ebff; font-size: .94rem; }
.seminar-campus { border-top: 1px solid #8dabd8; padding-top: .7rem; }
.seminar-campus ul { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .35rem .55rem; margin: .55rem 0 0; padding: 0; list-style: none; }
.seminar-campus li { font-size: .83rem; font-weight: 650; }

.seminar-schedule {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: .35rem 1.1rem;
  padding: .75rem clamp(1.15rem, 3.5vw, 2.5rem);
  border-bottom: 1px solid #dce6f8;
  background: #f0f5ff;
  color: var(--navy);
  font-size: .88rem;
}
.seminar-schedule .eyebrow, .seminar-track .eyebrow, .external-heading .eyebrow { color: var(--accent); }
.seminar-schedule div > p:last-child { font-weight: 700; }

.seminar-tracks { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.seminar-track {
  display: grid;
  grid-template-rows: auto auto auto 1fr auto;
  align-items: start;
  gap: .5rem;
  padding: clamp(1.15rem, 3.5vw, 2.5rem);
  color: var(--muted);
  font-size: .9rem;
}
.seminar-track + .seminar-track { border-left: 1px solid #dce6f8; }
.seminar-track h3 { margin: 0; color: var(--navy); font-size: clamp(1.15rem, 2.2vw, 1.65rem); line-height: 1.2; }
.seminar-track p a { color: var(--accent); }

.seminar-dates { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin: .5rem 0; padding: 0; border-block: 1px solid #dce6f8; list-style: none; }
.seminar-dates li { position: relative; padding: .65rem .2rem .55rem; text-align: center; }
.seminar-dates li + li { border-left: 1px solid #dce6f8; }
.seminar-dates li::before { position: absolute; top: -.19rem; left: calc(50% - .18rem); width: .36rem; aspect-ratio: 1; border-radius: 50%; background: #5f83cf; content: ""; }
.seminar-dates time { display: grid; color: var(--muted); font-size: .72rem; }
.seminar-dates strong { color: var(--accent); font-size: clamp(1.35rem, 2.7vw, 2.15rem); font-variant-numeric: tabular-nums; line-height: 1.2; }

.seminar-cta, .external-link { display: inline-flex; width: fit-content; align-items: center; gap: .55rem; min-height: 2.5rem; font-weight: 690; text-decoration: none; }
.seminar-cta { margin-top: .32rem; padding: .4rem .65rem; border: 1px solid #abc0e7; border-radius: .42rem; color: var(--accent); }
.seminar-cta:is(:hover, :focus-visible), .external-link:is(:hover, :focus-visible) { background: var(--tint); }

.seminar-note { display: grid; gap: .45rem; padding: 1rem clamp(1.15rem, 3.5vw, 2.5rem); border-top: 1px solid #dce6f8; background: #f7f9fe; color: var(--muted); font-size: .86rem; }
.seminar-note strong, .seminar-signature { color: var(--navy); }
.seminar-signature { font-weight: 650; }

:is(.opportunity-controls, .opportunity-match) :is(input, select, button):focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.external-opportunities { margin-top: clamp(3rem, 7vw, 6rem); }
.external-heading { margin-bottom: 1.25rem; }
.seminar-header h2, .seminar-track h3, .external-heading h2, .external-entry h3 { font-family: var(--display); }
.external-heading h2 { margin: .45rem 0; color: var(--navy); font-size: clamp(1.9rem, 4.5vw, 3.65rem); line-height: 1.08; letter-spacing: -.05em; }
.external-heading > p:last-child { max-width: 72ch; color: var(--muted); }


.opportunity-controls {
  display: grid;
  grid-template: "fields launch" "types launch" / minmax(0, 1fr) minmax(12rem, 23%);
  gap: .8rem 1rem;
  padding: 1rem;
  border: 1px solid var(--rule);
  border-top: 3px solid var(--accent);
  background: var(--paper);
}
.opportunity-controls[hidden] { display: none; }
.opportunity-fields { grid-area: fields; display: grid; grid-template-columns: minmax(0, 32rem) minmax(0, 15rem); gap: .65rem 1rem; }
:is(.opportunity-controls, .opportunity-match) label { display: block; margin-bottom: .3rem; color: var(--navy); font-size: .84rem; font-weight: 690; }
:is(.opportunity-controls, .opportunity-match) :is(input, select) { width: 100%; min-height: 2.7rem; padding: .52rem .7rem; border: 1px solid #a9bddb; border-radius: .42rem; background: white; color: var(--ink); font: inherit; font-size: .88rem; }
.opportunity-types { grid-area: types; display: flex; flex-wrap: wrap; gap: .45rem; }
.opportunity-types button { min-height: 2.5rem; padding: .32rem .65rem; border: 1px solid #adc0e2; border-radius: .42rem; background: white; color: var(--navy); cursor: pointer; font: inherit; font-size: .83rem; font-weight: 650; }
.opportunity-types button:hover { background: #e7efff; }
.opportunity-types button[aria-pressed="true"] { border-color: var(--accent); background: var(--accent); color: white; }
.opportunity-badge { display: inline-block; margin-left: .38rem; font-size: .72rem; font-variant-numeric: tabular-nums; }

.opportunity-match-launch, .opportunity-match-primary {
  border: 1px solid var(--accent);
  background: var(--accent);
  color: white;
  cursor: pointer;
  font: inherit;
}
.opportunity-match-launch:hover, .opportunity-match-primary:hover { background: #102e95; }
.opportunity-match-launch {
  grid-area: launch;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .6rem;
  padding: .85rem 1rem;
  text-align: start;
}
.opportunity-match-launch strong { display: block; font: 750 clamp(1rem, 1.7vw, 1.27rem)/1.13 var(--display); }
.opportunity-match-launch small { display: block; margin-top: .3rem; font-size: .78rem; }
.opportunity-match-launch > span:last-child { font-size: 1.25rem; }

.opportunity-match {
  width: min(42rem, calc(100% - 1.25rem));
  max-height: calc(100% - 1.25rem);
  margin: auto;
  padding: 0;
  border: 1px solid var(--rule);
  border-top: 4px solid var(--accent);
  background: var(--paper);
  color: var(--ink);
}
.opportunity-match::backdrop { background: #121e3388; }
.opportunity-match [hidden] { display: none; }
.opportunity-match-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: .75rem;
  padding: clamp(.85rem, 3vw, 1.3rem);
  background: var(--tint);
}
.opportunity-match-header h2 { margin-block: .3rem; font: 780 clamp(1.4rem, 4vw, 2rem)/1.1 var(--display); }
.opportunity-match-header p:last-child, .opportunity-match-summary, #opportunity-match-status { color: var(--muted); font-size: .86rem; }
.opportunity-match-close {
  min-height: 2.55rem;
  padding: .3rem .55rem;
  border: 1px solid #adc0e2;
  background: var(--paper);
  color: var(--accent);
  cursor: pointer;
  font: 650 .8rem system-ui, sans-serif;
  white-space: nowrap;
}
.opportunity-match-close:hover { background: var(--tint); }
.opportunity-match-content { display: grid; gap: .9rem; padding: clamp(.85rem, 3vw, 1.3rem); }
.opportunity-match-form { display: grid; grid-template: "label label" "select button" / minmax(0, 1fr) auto; gap: .25rem .65rem; }
.opportunity-match-form label { grid-area: label; margin: 0; }
.opportunity-match-form select { grid-area: select; }
.opportunity-match-form button { grid-area: button; }
.opportunity-match-primary { display: inline-flex; align-items: center; min-height: 2.7rem; padding: .45rem .75rem; font-size: .83rem; font-weight: 700; text-decoration: none; }
.opportunity-match-primary:disabled { opacity: .65; cursor: wait; }
.opportunity-match-summary { display: grid; gap: .35rem; padding: .65rem .8rem; border-inline-start: 2px solid var(--accent); background: #f7f9fe; }
.opportunity-match-summary h3 { margin: 0; color: var(--navy); font: 750 1rem/1.2 var(--display); }
#opportunity-match-mode { color: var(--navy); font-weight: 700; }
.opportunity-match-summary a, .opportunity-match-directory { color: var(--accent); font-size: .82rem; font-weight: 650; justify-self: start; }
.opportunity-match-actions:not([hidden]), .opportunity-match-selection { display: flex; flex-wrap: wrap; align-items: center; gap: .45rem; }
.opportunity-match-actions { justify-content: space-between; }
.opportunity-match-selection button {
  min-height: 2.75rem;
  padding: .4rem .65rem;
  border: 1px solid var(--rule);
  background: var(--paper);
  color: var(--accent);
  font: 650 .8rem/1.2 system-ui, sans-serif;
  cursor: pointer;
}
.opportunity-match-selection button:hover { background: var(--tint); }
.opportunity-match-results:empty { display: none; }
.opportunity-match-results { display: grid; gap: .45rem; margin: 0; padding: 0; list-style: none; }
.opportunity-match-results > li { padding: .6rem .75rem; border: 1px solid var(--rule); }
.opportunity-match-recipient { display: flex; align-items: center; gap: .55rem; }
.opportunity-match-recipient input { flex: none; width: 1.25rem; height: 1.25rem; margin: 0; accent-color: var(--accent); cursor: pointer; }
.opportunity-match-recipient a { color: var(--accent); font: 750 1.03rem/1.2 var(--display); }
.opportunity-match-results > li > p { margin: .14rem 0 .35rem; color: var(--muted); font-size: .8rem; }
.opportunity-match-results .opportunity-topics li, .opportunity-topics li.is-shared { background: var(--tint); color: var(--accent); }

.opportunity-count { margin: .8rem 0 .55rem; color: var(--muted); font-size: .84rem; }
.opportunity-empty { padding: 1.1rem; border-top: 1px solid var(--rule); color: var(--muted); }
.external-entry {
  display: grid;
  grid-template-columns: minmax(7.5rem, .55fr) minmax(0, 2.15fr) minmax(10.8rem, .95fr);
  align-items: start;
  gap: .65rem clamp(1rem, 2.4vw, 2rem);
  padding: 1rem;
  border: 1px solid var(--rule);
  background: var(--paper);
}
.external-entry + .external-entry { margin-top: .4rem; }
.external-entry[hidden] { display: none; }
.external-type { display: flex; align-items: center; gap: .35rem; margin-top: .15rem; color: var(--accent); font-size: .78rem; font-weight: 700; }
.external-type::before { width: .42rem; aspect-ratio: 1; border-radius: 50%; background: currentColor; content: ""; }
.external-entry h3 { margin: 0; color: var(--navy); font-size: clamp(1.03rem, 2vw, 1.33rem); line-height: 1.22; }
.external-source { margin-top: .15rem; color: #435d85; font-size: .8rem; font-weight: 660; }
.external-description { margin-top: .35rem; color: var(--muted); font-size: .89rem; }
.external-meta { display: flex; align-items: baseline; flex-wrap: wrap; gap: .3rem .65rem; margin-top: .55rem; }
.external-mode { color: var(--navy); font-size: .75rem; font-weight: 700; }
.opportunity-topics { display: flex; flex-wrap: wrap; gap: .25rem .35rem; margin: 0; padding: 0; list-style: none; }
.opportunity-topics li { padding: .06rem .4rem; border: 1px solid #dae1ee; color: var(--muted); font-size: .73rem; }
.external-action { color: var(--muted); font-size: .81rem; }
.external-status { display: inline-block; padding: .15rem .4rem; border-radius: .25rem; background: #eaf1ff; color: #254c94; font-size: .72rem; font-weight: 700; }
.external-action p { margin-top: .32rem; }
.external-link { margin-top: .1rem; padding: .15rem .28rem; color: var(--accent); font-size: .82rem; }

@media (max-width: 760px) {
  .opportunity-controls { grid-template: "fields" "types" "launch" / minmax(0, 1fr); }
  .seminar-header, .seminar-tracks { grid-template-columns: 1fr; }
  .seminar-campus ul { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .seminar-track + .seminar-track { border-top: 1px solid #dce6f8; border-left: 0; }
  .external-entry { grid-template-columns: minmax(0, 1fr) minmax(9.8rem, .55fr); }
  .external-type { grid-column: 1 / -1; }
}

@media (max-width: 500px) {
  .opportunity-fields, .opportunity-jumps { grid-template-columns: 1fr; }
  .opportunity-match-form { grid-template: "label" "select" "button" / minmax(0, 1fr); }
  .opportunity-match-form button { justify-content: center; }
  .opportunity-jumps a + a { border-inline-start: 0; border-top: 1px solid var(--rule); }
  .seminar-campus ul { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .external-entry { grid-template-columns: 1fr; }
  .external-action { display: flex; flex-wrap: wrap; align-items: center; gap: .15rem .6rem; }
  .external-action p, .external-link { margin-top: 0; }
}