/* CIDS site styles — page transitions, a11y/UX, sparse pages, mobile hero.
   Loads after Webflow CSS. Keeps one network request for all custom styles. */

/* ========== Page transitions ========== */

html {
  background-color: #fff;
  overflow-x: clip;
}

html::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 2147483645;
  background-color: #fff;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

html.cids-nav-enter::before,
html.cids-page-leaving::before {
  opacity: 1;
  pointer-events: auto;
}

html.cids-nav-enter:not(.cids-overlay-revealing):not(.cids-page-ready)::before,
html.cids-page-leaving::before {
  transition: none;
}

html.cids-page-leaving::before {
  transition-duration: 0.28s;
  transition-timing-function: cubic-bezier(0.4, 0, 1, 1);
}

html.cids-nav-enter.cids-overlay-revealing::before,
html.cids-page-ready.cids-overlay-revealing::before {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.38s cubic-bezier(0.4, 0, 0.2, 1);
}

#cids-page-transition {
  visibility: visible !important;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

html.cids-nav-enter:not(.cids-page-ready) body,
html.cids-page-leaving body {
  visibility: hidden;
  overflow: hidden;
}

html.cids-page-ready body {
  visibility: visible;
}

html.cids-overlay-revealing body {
  visibility: visible;
}

.cids-pt-overlay {
  position: fixed;
  inset: 0;
  z-index: 2147483647;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.28s ease, visibility 0.28s ease;
  background-color: #fff;
}

.cids-pt-overlay.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: all;
  transition: opacity 0.32s ease, visibility 0.32s ease;
}

.cids-pt-overlay.is-hiding {
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
  transition: opacity 0.28s ease, visibility 0.28s ease;
}

.cids-pt-overlay.is-instant:not(.is-hiding),
.cids-pt-overlay.is-instant.is-visible:not(.is-hiding) {
  opacity: 1 !important;
  visibility: visible !important;
  transition: none;
}

.cids-pt-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  padding: 2rem 1.75rem;
  max-width: 22rem;
  text-align: center;
}

.cids-pt-logo {
  width: min(16rem, 72vw);
  height: auto;
  display: block;
  object-fit: contain;
  aspect-ratio: 340 / 34;
  background-color: #fff;
  border-radius: 2px;
  opacity: 1;
  transform: translateZ(0);
  backface-visibility: hidden;
}

.cids-pt-label {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #9d2235;
  min-height: 17px;
  opacity: 1;
  transform: translateZ(0);
  backface-visibility: hidden;
}

.cids-pt-track {
  position: relative;
  width: 11rem;
  max-width: 70vw;
  height: 4px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(157, 34, 53, 0.12);
}

.cids-pt-fill {
  position: absolute;
  inset: 0;
  width: 100%;
  border-radius: inherit;
  background: linear-gradient(
    90deg,
    #7a1828 0%,
    #9d2235 35%,
    #f0b429 70%,
    #9d2235 100%
  );
  transform-origin: left center;
  transform: scaleX(0);
  animation: cidsPtFill 1.25s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

@keyframes cidsPtFill {
  0% {
    transform: scaleX(0);
  }
  70% {
    transform: scaleX(1);
  }
  85% {
    transform: scaleX(1);
    opacity: 1;
  }
  100% {
    transform: scaleX(1);
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html::before {
    display: none !important;
  }

  .cids-pt-overlay {
    transition: none;
  }

  .cids-pt-fill {
    animation: none;
    transform: scaleX(1);
    opacity: 1;
  }
}

/* ========== Accessibility & UX ========== */

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:not([tabindex="-1"]):focus-visible,
.w-dropdown-toggle:focus-visible,
.w-nav-link:focus-visible,
.w-tab-link:focus-visible,
.dropdown_link:focus-visible,
.foot_link_item:focus-visible,
.ps_grid_item_link:focus-visible,
.event_redirect_text_link:focus-visible,
.event_section_img_redirect:focus-visible,
.cids_popup_cta_button_v2:focus-visible,
.communa_link_block:focus-visible,
.anchor-scroll:focus-visible {
  outline: 2px solid #9d2235;
  outline-offset: 2px;
}

a.ps_grid_item_link:hover .ev_item_title,
a.event_redirect_text_link:hover .section_paragraph {
  text-decoration: underline;
}

.cids-back-to-top {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  z-index: 9000;
  width: 2.75rem;
  height: 2.75rem;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  background-color: #9d2235;
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(0.5rem);
  transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease, background-color 0.2s ease;
}

.cids-back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.cids-back-to-top:hover {
  background-color: #7a1828;
}

.cids-back-to-top:focus-visible {
  outline: 2px solid #f0b429;
  outline-offset: 2px;
}

.cids-back-to-top__icon {
  display: block;
  font-size: 1.25rem;
  line-height: 1;
}

.cids-error-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.5rem;
  text-align: center;
  background-color: #f7f7f8;
}

.cids-error-page__logo {
  width: 12rem;
  max-width: 70vw;
  height: auto;
  margin-bottom: 2rem;
}

.cids-error-page__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin: 0 0 0.75rem;
  color: #1a1a1a;
}

.cids-error-page__text {
  max-width: 32rem;
  margin: 0 0 1.5rem;
  color: #444;
  line-height: 1.6;
}

.cids-error-page__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.cids-error-page__btn {
  display: inline-block;
  padding: 0.65rem 1.25rem;
  border-radius: 4px;
  background-color: #9d2235;
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;
}

.cids-error-page__btn:hover {
  background-color: #7a1828;
  color: #ffffff;
}

.cids-error-page__btn--secondary {
  background-color: transparent;
  color: #9d2235;
  border: 1px solid #9d2235;
}

.cids-error-page__btn--secondary:hover {
  background-color: #9d2235;
  color: #ffffff;
}

.cids-skip-link {
  position: absolute;
  left: 0.75rem;
  top: 0.75rem;
  z-index: 10000;
  padding: 0.5rem 0.85rem;
  background: #9d2235;
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  border-radius: 4px;
  transform: translateY(-200%);
  transition: transform 0.2s ease;
}

.cids-skip-link:focus {
  transform: translateY(0);
  outline: 2px solid #f0b429;
  outline-offset: 2px;
}

.cids-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

img,
video,
svg.event_section_img,
.ev_img,
.ev_thumb_img {
  max-width: 100%;
  height: auto;
}

.section_table,
.membership_cta_table {
  display: block;
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

table.section_table,
table.membership_cta_table {
  width: 100%;
  min-width: 36rem;
}

body:not(.cids-no-back-to-top) {
  scroll-padding-bottom: 5rem;
}

@media (max-width: 767px) {
  .anchor-scroll {
    bottom: max(1rem, env(safe-area-inset-bottom));
  }
}

/* ========== Sparse-content pages (grants, other publications) ========== */

body.cids-sparse-content {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

body.cids-sparse-content > .section,
body.cids-sparse-content > main,
body.cids-sparse-content > main > .section {
  flex: 1 1 auto;
}

body.cids-sparse-content .footer_section {
  flex-shrink: 0;
}

body.cids-sparse-content .section_wrapper {
  opacity: 1 !important;
  transform: none !important;
}

body.cids-sparse-content .no_results_svg_wrapper {
  min-height: 18rem;
}

body.cids-sparse-content .no_results_svg {
  width: 20rem;
  max-width: 100%;
  height: auto;
}

/* ========== Mobile hero backgrounds (home) ========== */

@media screen and (max-width: 768px) {
  .hero_slider .slide_1 {
    background-image: linear-gradient(#00000059, #00000059), url("../images/Banner-1-p-1080.avif");
  }

  .hero_slider .slide_2 {
    background-image: linear-gradient(#0003, #0003), url("../images/Banner-2-p-1080.avif");
  }

  .hero_slider .slide_3 {
    background-image: linear-gradient(#0003, #0003), url("../images/Banner-6-p-1080.avif");
  }

  .hero_slider .slide_4 {
    background-image: linear-gradient(#0003, #0003), url("../images/Banner-4-p-1080.avif");
  }

  .hero_slider .slide_5 {
    background-image: linear-gradient(#0003, #0003), url("../images/Banner-5-p-1080.avif");
    background-size: auto, cover;
    background-attachment: scroll, scroll;
  }
}