/* Angola Roost / experimental point-cloud prototype 01 */

.page-angola-roost{
  --angola-night: #090712;
  --angola-night-soft: #12101d;
  --angola-panel: #ef6545;
  --angola-panel-ink: #1b0c0d;
  --angola-gold: #ffd16a;
  --angola-cloud: #e8e7ff;
  --angola-violet: #8f7ddb;
  --angola-text: #f3eee6;
  --angola-muted: rgba(243, 238, 230, .62);
  --angola-border: rgba(243, 238, 230, .18);
  --angola-header-h: 62px;

  margin: 0;
  color: var(--angola-text);
  background: var(--angola-night);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}

.page-angola-roost .sr-only{
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.angola-skip-link{
  position: fixed;
  top: 10px;
  left: -9999px;
  z-index: 500;
  padding: 10px 14px;
  color: var(--angola-night);
  background: var(--angola-text);
}

.angola-skip-link:focus{ left: 10px; }

.page-angola-roost .site-header{
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--angola-header-h);
  color: var(--angola-text);
  background: linear-gradient(90deg, var(--angola-panel) 0 320px, rgba(9, 7, 18, .92) 320px 100%);
  border-bottom: 1px solid var(--angola-border);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.page-angola-roost .site-header__inner{
  box-sizing: border-box;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
  height: 100%;
  padding: 10px 16px;
}

.page-angola-roost .site-header__brand{
  display: inline-flex;
  align-items: center;
  color: var(--angola-panel-ink);
  text-decoration: none;
}

.page-angola-roost .site-header__brandmark{
  display: block;
  width: 154px;
  height: 34px;
  background: currentColor;
  -webkit-mask: url("/assets/shared/icons/falcopolis-H-600.svg") center / contain no-repeat;
  mask: url("/assets/shared/icons/falcopolis-H-600.svg") center / contain no-repeat;
}

.page-angola-roost .site-header__brandtext{ display: none; }

.page-angola-roost .site-header__nav{
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

.page-angola-roost .site-header__link,
.page-angola-roost .site-header__back{
  color: var(--angola-muted);
  text-decoration: none;
  font-size: 13px;
  line-height: 1;
  border-radius: 999px;
}

.page-angola-roost .site-header__link{ padding: 8px 10px; }

.page-angola-roost .site-header__link:hover,
.page-angola-roost .site-header__link.is-current,
.page-angola-roost .site-header__link[aria-current="page"]{
  color: var(--angola-text);
  background: rgba(243, 238, 230, .10);
}

.page-angola-roost .site-header__right{
  display: flex;
  justify-content: flex-end;
}

.page-angola-roost .site-header__back{
  padding: 9px 12px;
  border: 1px solid var(--angola-border);
}

.page-angola-roost .site-header__link:focus-visible,
.page-angola-roost .site-header__back:focus-visible,
.angola-intro__parent:focus-visible,
.angola-control:focus-visible,
.angola-density input:focus-visible{
  outline: 2px solid var(--angola-text);
  outline-offset: 3px;
}

.angola-shell{
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  min-height: calc(100vh - var(--angola-header-h));
}

.angola-intro{
  box-sizing: border-box;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 28px;
  min-height: calc(100vh - var(--angola-header-h));
  padding: 28px 22px 18px;
  color: var(--angola-panel-ink);
  background:
    linear-gradient(150deg, rgba(255,255,255,.10), transparent 34%),
    var(--angola-panel);
  border-right: 1px solid rgba(27, 12, 13, .22);
}

.angola-intro__parent{
  color: currentColor;
  text-decoration: none;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .13em;
}

.angola-intro__eyebrow{
  margin: 22px 0 0;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: .14em;
  opacity: .62;
}

.angola-intro__title{
  margin: 8px 0 12px;
  font-size: clamp(46px, 4.3vw, 66px);
  line-height: .82;
  letter-spacing: -.072em;
}

.angola-intro__species{
  margin: 0;
  font-size: 10px;
  letter-spacing: .055em;
  opacity: .62;
}

.angola-intro__lede{
  max-width: 28ch;
  margin: 14px 0 0;
  color: rgba(27, 12, 13, .73);
  font-size: 12.5px;
  line-height: 1.45;
}

.angola-hypothesis{
  align-self: start;
  padding-top: 14px;
  border-top: 1px solid rgba(27, 12, 13, .25);
}

.angola-hypothesis__label{
  display: block;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: .11em;
  opacity: .64;
}

.angola-hypothesis strong{
  display: block;
  margin: 9px 0 10px;
  font-size: clamp(25px, 2.1vw, 33px);
  line-height: .95;
  font-weight: 650;
  letter-spacing: -.045em;
  font-variant-numeric: tabular-nums;
}

.angola-hypothesis p{
  max-width: 28ch;
  margin: 0;
  color: rgba(27, 12, 13, .67);
  font-size: 11px;
  line-height: 1.45;
}

.angola-intro__note{
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-top: 8px;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: .08em;
  border-top: 1px solid rgba(27, 12, 13, .22);
}

.angola-stage{
  position: relative;
  min-width: 0;
  min-height: calc(100vh - var(--angola-header-h));
  overflow: hidden;
  background:
    radial-gradient(circle at 52% 58%, rgba(143, 125, 219, .11), transparent 29%),
    radial-gradient(circle at 50% 100%, rgba(239, 101, 69, .09), transparent 35%),
    var(--angola-night);
}

.angola-scene{
  position: absolute;
  inset: 0;
  touch-action: none;
}

.angola-scene canvas{
  display: block;
  width: 100%;
  height: 100%;
}

.angola-status{
  position: absolute;
  inset: 50% auto auto 50%;
  z-index: 6;
  transform: translate(-50%, -50%);
  color: var(--angola-muted);
  font-size: 12px;
}

.angola-status[hidden]{ display: none; }

.angola-reading,
.angola-estimate{
  position: absolute;
  z-index: 4;
  display: grid;
  pointer-events: none;
}

.angola-reading{
  top: 22px;
  right: 22px;
  justify-items: end;
  gap: 3px;
}

.angola-reading span,
.angola-estimate span{
  color: var(--angola-muted);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: .13em;
}

.angola-reading strong{
  font-size: 22px;
  line-height: 1;
  font-weight: 520;
}

.angola-estimate{
  top: 22px;
  left: 22px;
  gap: 4px;
}

.angola-estimate strong{
  font-size: clamp(25px, 2.5vw, 38px);
  line-height: 1;
  font-weight: 540;
  letter-spacing: -.04em;
  font-variant-numeric: tabular-nums;
}

.angola-estimate small{
  color: var(--angola-muted);
  font-size: 9px;
  letter-spacing: .06em;
}

.angola-controls{
  position: absolute;
  left: 50%;
  bottom: 28px;
  z-index: 6;
  display: grid;
  grid-template-columns: auto minmax(180px, 330px) auto auto;
  align-items: center;
  gap: 10px;
  width: min(720px, calc(100% - 44px));
  padding: 8px;
  transform: translateX(-50%);
  color: var(--angola-text);
  background: rgba(9, 7, 18, .78);
  border: 1px solid var(--angola-border);
  border-radius: 999px;
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.angola-control{
  padding: 9px 12px;
  color: var(--angola-text);
  background: transparent;
  border: 1px solid var(--angola-border);
  border-radius: 999px;
  font: inherit;
  font-size: 10px;
  line-height: 1;
  cursor: pointer;
  white-space: nowrap;
}

.angola-control:hover{ background: rgba(243, 238, 230, .08); }

.angola-control--primary{
  color: var(--angola-panel-ink);
  background: var(--angola-panel);
  border-color: var(--angola-panel);
}

.angola-density{
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 9px;
  min-width: 0;
}

.angola-density span{
  color: var(--angola-muted);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.angola-density input{
  width: 100%;
  accent-color: var(--angola-panel);
}

.angola-density__value{
  min-width: 44px;
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

.angola-navigation-hint{
  position: absolute;
  right: 22px;
  bottom: 92px;
  z-index: 4;
  display: flex;
  gap: 14px;
  color: var(--angola-muted);
  font-size: 8.5px;
  text-transform: uppercase;
  letter-spacing: .08em;
  pointer-events: none;
}

.angola-method{
  display: flex;
  align-items: baseline;
  gap: 18px;
  padding: 14px 22px 16px;
  color: var(--angola-muted);
  background: #07050d;
  border-top: 1px solid var(--angola-border);
}

.angola-method span{
  flex: 0 0 auto;
  color: var(--angola-text);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: .11em;
}

.angola-method p{
  max-width: 900px;
  margin: 0;
  font-size: 10.5px;
  line-height: 1.45;
}

@media (max-width: 980px){
  .angola-shell{
    grid-template-columns: 1fr;
  }

  .angola-intro{
    min-height: auto;
    grid-template-columns: minmax(0, 1fr) minmax(240px, .8fr);
    grid-template-rows: auto auto;
  }

  .angola-intro__note{ grid-column: 1 / -1; }

  .angola-stage{
    min-height: 72vh;
  }
}

@media (max-width: 720px){
  .page-angola-roost .site-header{
    height: auto;
    min-height: var(--angola-header-h);
    background: var(--angola-night);
  }

  .page-angola-roost .site-header__inner{
    grid-template-columns: 1fr auto;
    height: auto;
    min-height: var(--angola-header-h);
    gap: 9px 12px;
  }

  .page-angola-roost .site-header__brandmark{
    width: 122px;
    height: 28px;
  }

  .page-angola-roost .site-header__nav{
    grid-column: 1 / -1;
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
  }

  .page-angola-roost .site-header__right{
    grid-column: 2;
    grid-row: 1;
  }

  .angola-intro{
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    gap: 20px;
    padding: 24px 18px 16px;
  }

  .angola-intro__title{ font-size: 50px; }
  .angola-intro__note{ grid-column: auto; }

  .angola-stage{ min-height: 78vh; }

  .angola-reading{
    top: 14px;
    right: 14px;
  }

  .angola-estimate{
    top: 14px;
    left: 14px;
  }

  .angola-estimate strong{ font-size: 24px; }

  .angola-controls{
    left: 14px;
    right: 14px;
    bottom: 16px;
    grid-template-columns: auto 1fr auto;
    width: auto;
    transform: none;
    border-radius: 18px;
  }

  .angola-density{
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .angola-density__value{
    grid-column: 3;
    grid-row: 1;
  }

  .angola-control:last-child{
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
  }

  .angola-navigation-hint{
    display: none;
  }

  .angola-method{
    display: grid;
    gap: 6px;
    padding: 14px 18px;
  }
}

@media (prefers-reduced-motion: reduce){
  .angola-control,
  .angola-scene canvas{
    transition: none !important;
  }
}