@font-face {
  font-family: "Libre Franklin";
  src: url("/fonts/LibreFranklin-SemiBold.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
}

@font-face {
  font-family: "Libre Franklin";
  src: url("/fonts/LibreFranklin-SemiBoldItalic.woff2") format("woff2");
  font-weight: 600;
  font-style: italic;
}

:root {
  --font-size: clamp(1.5rem, 3vw, 3.25rem);
  --font-size-half: calc(var(--font-size) / 2);
  --spacer: 1rem;
  --half-spacer: calc(var(--spacer) / 2);
}

html {
  scrollbar-gutter: stable;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Libre Franklin", -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: var(--font-size);
  line-height: 1.2;
  font-weight: 600;
  background-color: #fff;
  color: #111;
  padding: 0 40px;
}

a {
  color: inherit;
  text-decoration: none;
}

main {
  padding: 40px 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: #fff;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 20px 0;
}

.site-header::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  height: 75px;
  background: linear-gradient(to bottom, #fff, transparent);
  pointer-events: none;
}

.nav-link:hover, .nav-link--active {
  background-color: blue;
  color: white;
}

.idea-divider {
  border: none;
  border-top: 2px solid #000;
}

.idea {
  padding: var(--spacer) 0;
}

.idea-summary {
  list-style: none;
  cursor: pointer;
  user-select: none;
  display: flex;
  flex-direction: row;
  align-items: start;
  gap: var(--spacer);
}

.idea-summary::-webkit-details-marker {
  display: none;
}

.idea-circle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: 0.1em solid currentColor;
  font-size: 0.65em;
  flex-shrink: 0;
  transition: background-color 0.15s, color 0.15s;
}

.idea-summary:hover .idea-circle,
.idea[open] .idea-circle {
  background-color: #111;
  color: #fff;
  border-color: #111;
}

.idea-text {
  flex: 1;
  min-width: 0;
}

.idea-title-closed {
  transition: opacity 0.15s ease;
}

.idea[open] .idea-title-closed {
  opacity: 0;
  position: absolute;
  pointer-events: none;
}

.idea-title-open {
  display: grid;
  grid-template-rows: 0fr;
  height: 0;
  overflow: hidden;
  opacity: 0;
  transition: grid-template-rows 0.2s ease,
              height 0.2s ease,
              opacity 0.15s ease;
}

.idea[open] .idea-title-open {
  grid-template-rows: 1fr;
  height: auto;
  opacity: 1;
  transition: grid-template-rows 0.2s ease,
              height 0.2s ease,
              opacity 0.15s ease;
}

.idea-title-open-inner {
  min-height: 0;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1em;
  padding-bottom: var(--spacer);
}

.idea-title-content {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
}

.idea-export {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1em 0.25em;
  flex-shrink: 0;
  border: 0.08em solid currentColor;
  background: none;
  color: #111;
  font-family: inherit;
  font-size: var(--font-size-half);
  font-weight: inherit;
  cursor: pointer;
  clip-path: polygon(0.5em 0, 100% 0, 100% 100%, 0 100%, 0 0.5em);
}

.idea-export::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0.5em;
  height: 0.5em;
  border-right: 0.08em solid currentColor;
  border-bottom: 0.08em solid currentColor;
}

.idea-export:hover {
  background: #111;
  color: #fff;
}

@media print {
  @page {
    margin: 1.5cm;
  }

  .site-header,
  .idea-divider,
  .idea-export,
  .idea-circle,
  .idea:not(.print-active) {
    display: none !important;
  }

  .idea {
    display: block;
  }

  .idea-text {
    height: auto !important;
    overflow: visible !important;
  }

  body, .idea, .idea-text, .idea-title-open {
    margin: 0 !important;
    padding: 0 !important;
  }

  body {
    font-size: 4rem;
  }
}

@media (max-width: 640px) {
  body {
    padding: 0 20px;
    line-height: 1.1;
  }

  .idea-circle {
    width: 30px;
    height: 30px;
  }

  .idea {
    padding: var(--half-spacer) 0;
  }

  .idea-title-open-inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--half-spacer);
  }

}