/* CommuniCon 4. Keep showcase styles intact for index-showcase-v3.html. */
.header-brand::after { content: none; }
.hero-copy h1 span { white-space: normal; }
.hero-copy > p { max-width: 52ch; }
#about .reason { background: #fff0a4; }
#about .reason:nth-child(2) { background: #f5c8dc; }
#about .reason:nth-child(3) { background: #bce6df; }
#about .reason p {
  background: transparent;
  color: var(--ink);
  font-size: 1.2rem;
  line-height: 1.55;
}
#about .reason p strong { font-size: 1.1rem; }
#register .registration-card {
  width: min(100%, 600px);
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.75rem;
  padding: clamp(1.25rem, 4vw, 2.5rem);
}
#register .registration-card > img { width: 100%; height: auto; }
#register .register-ticket { margin: 0; }
.site-footer .footer-inner {
  flex-direction: column;
  justify-content: center;
  text-align: center;
  gap: 1.5rem;
}
.site-footer .footer-inner > .footer-brand { margin-inline: auto; }
.footer-credits { color: var(--muted); font-size: .9rem; }
.footer-credits p { max-width: none; margin: .4rem 0; }
.footer-credits a { text-underline-offset: 3px; }
.footer-nav { flex-wrap: wrap; justify-content: center; gap: .25rem 1.5rem; }
.footer-nav a { min-height: 44px; }
#main-nav a[aria-current="page"] { text-decoration: underline; text-underline-offset: 5px; }
.stub-copy { min-height: 200px; }
.stub-copy h1 { color: var(--blue); margin-bottom: 1.5rem; }
.lauren-placeholder { background: #e3e9ec; }
.guest-bottom .button { max-width: 100%; text-align: center; }
@media (min-width: 900px) {
  #main-nav { gap: 1.1rem; }
  #main-nav a:last-child { display: block; }
}
@media (max-width: 599px) {
  .footer-nav { max-width: 340px; }
  #about .reason p { font-size: 1.15rem; }
}


/* Round four: page content and shared refinements. */
.hero-copy h1 { text-transform: none; }
#about .reason,
#about .reason:nth-child(2),
#about .reason:nth-child(3) { background: var(--white); }
#about .reason p { background: var(--white); }
.guest-bottom { flex-direction: column; gap: 1.6rem; }
.guest-bottom .announcement { font-size: 1.8rem; line-height: 1.2; text-align: center; margin-bottom: 2rem; }
.guest-bottom .board-squiggle { display: none; }
#archive .history-text { text-align: center; margin-top: 2.5rem; }
.page-intro { max-width: 760px; margin-bottom: 3rem; }
.page-intro h1 { color: var(--ink); margin-bottom: 1.25rem; font-family: var(--collegiate); text-transform: uppercase;}
.page-intro p { font-size: 1.15rem; }
.organizer-grid { display: grid; gap: 1.5rem; }
.organizer-card { padding: 2rem; background: var(--white); border: 1px solid var(--ink); box-shadow: 5px 5px 0 var(--yellow); }
.organizer-card:nth-child(2) { box-shadow: 5px 5px 0 var(--logo-blue); }
.organizer-card:nth-child(3) { box-shadow: 5px 5px 0 var(--aqua); }
.organizer-card:nth-child(4) { box-shadow: 5px 5px 0 var(--pink); }
.organizer-card h2 { font-size: 1.65rem; margin-bottom: .75rem; }
.history-layout { display: grid; gap: 3rem; align-items: center; }
.history-layout .campus-snapshot { max-width: 430px; margin-inline: auto; }
.history-layout .campus-snapshot img { aspect-ratio: auto; }
.history-layout p { max-width: 65ch; }
.disclaimer { padding-block: 3rem; }
.disclaimer p { max-width: 80ch; margin-inline: auto; font-size: .95rem; color: var(--muted); }
.thanks-sheet { position: relative; max-width: 850px; padding: clamp(1.5rem,5vw,3.5rem); background: var(--white); border: 2px solid var(--navy); box-shadow: 9px 9px 0 var(--logo-blue); }
.thanks-sheet::before { content: ''; position: absolute; left: 0; top: 0; width: 65%; height: 8px; background: var(--yellow); }
.thanks-list { list-style: none; margin: 0 0 2rem; padding: 0; }
.thanks-list li { padding: 1rem 0; border-bottom: 1px dashed var(--line); font-size: 1.15rem; }
.thanks-list a { text-underline-offset: 4px; font-weight: 700; }
.thanks-squiggle { width: 120px; margin: 0 0 1.5rem auto; }
@media (min-width: 600px) {
  .organizer-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
}
@media (min-width: 900px) {
  .history-layout { grid-template-columns: .8fr 1.2fr; }
}


/* Connect: one file-browser window, with ordinary links as desktop icons. */
.platforms-window {
  width: 100%;
  padding: 4px;
  border: 2px solid var(--navy);
  background: #d6d5cc;
  box-shadow: inset 2px 2px 0 #fffef9, inset -2px -2px 0 #878b92, 6px 6px 0 #173f9d25;
}
.platforms-titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .45rem .6rem .45rem .85rem;
  background: var(--blue);
  color: var(--white);
}
.platforms-titlebar h2 {
  margin: 0;
  font: 700 1.15rem/1.3 var(--heading);
  letter-spacing: 0;
}
.platforms-controls { display: flex; flex: 0 0 auto; gap: 4px; }
/* These are decorative window details, not focusable page controls. */
.platforms-control {
  display: grid;
  place-items: center;
  width: 25px;
  height: 25px;
  color: var(--navy);
  background: #d6d5cc;
  box-shadow: inset 1px 1px 0 white, inset -1px -1px 0 #697180;
  border: 1px solid var(--navy);
}
.platforms-control svg { display: block; width: 16px; height: 16px; }
.platforms-grid {
  display: grid;
  grid-template-columns: repeat(2,minmax(0,1fr));
  gap: .75rem;
  list-style: none;
  margin: 4px 0 0;
  padding: clamp(.75rem,3vw,2rem);
  border: 2px solid;
  border-color: #878b92 white white #878b92;
  background: var(--white);
}
.platforms-grid > li { min-width: 0; }
.platform-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: .85rem;
  height: 100%;
  min-width: 0;
  padding: 1rem .5rem;
  border: 1px solid transparent;
  color: var(--ink);
  text-align: center;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}
.platform-icon { width: 72px; height: 72px; object-fit: contain; flex: 0 0 auto; }
.platform-handle { font: 400 1rem/1.4 var(--body); overflow-wrap: anywhere; max-width: 100%; }
.platform-tile:focus,
.platform-tile:active {
  background: var(--blue);
  color: var(--white);
}
.platform-tile:focus-visible { outline: 2px dashed var(--navy); outline-offset: 3px; }
@media (hover: hover) {
  .platform-tile:hover { background: var(--blue); color: var(--white); }
}
@media (min-width: 600px) {
  .platforms-grid { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 1.25rem; }
  .platform-tile { padding: 1.5rem .75rem; }
  .platform-icon { width: 88px; height: 88px; }
}
@media (min-width: 1000px) {
  .platforms-grid { grid-template-columns: repeat(4,minmax(0,1fr)); }
}

/* Shared header: stay visible as the date banner scrolls away. */
.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
}
.site-header .header-brand { transform: none; }
/* Fallback also leaves room for the full navigation without JavaScript. */
html { scroll-padding-top: calc(var(--site-header-height, 12rem) + 1.5rem); }
@media print {
  .site-header { position: static; }
}