/* Navigation, sharing and social-ecosystem refinement for the non-production prototype. */
.publication-header{
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;
  column-gap:clamp(20px,4vw,54px);
}

.publication-header .primary-nav{
  display:flex;
  align-items:center;
  justify-content:center;
  justify-self:center;
  gap:clamp(16px,3vw,34px);
  font-size:.76rem;
}

.publication-header .primary-nav a{
  color:var(--muted);
  text-decoration:none;
  font-weight:700;
  letter-spacing:.04em;
}

.publication-header .primary-nav a:hover,
.publication-header .primary-nav a:focus-visible{
  color:var(--green);
}

.ecosystem-menu{
  position:relative;
  justify-self:end;
}

.ecosystem-menu>summary{
  min-height:42px;
  padding:0 14px;
  border:1px solid rgba(4,245,255,.42);
  border-radius:999px;
  color:var(--cyan);
  font-size:.72rem;
  font-weight:800;
  letter-spacing:.08em;
  text-transform:uppercase;
  cursor:pointer;
  list-style:none;
}

.ecosystem-menu>summary::-webkit-details-marker{
  display:none;
}

.ecosystem-menu>summary::after{
  content:"+";
  margin-left:8px;
  color:var(--green);
  font-size:1rem;
}

.ecosystem-menu[open]>summary::after{
  content:"−";
}

.ecosystem-menu>summary:hover{
  border-color:var(--cyan);
  background:rgba(4,245,255,.07);
}

.ecosystem-panel{
  position:absolute;
  z-index:40;
  top:calc(100% + 10px);
  right:0;
  width:min(270px,calc(100vw - 32px));
  padding:12px;
  border:1px solid var(--line);
  border-top:3px solid var(--green);
  background:#210429;
  box-shadow:0 24px 70px rgba(0,0,0,.48);
}

.ecosystem-heading{
  margin:2px 6px 10px;
  color:var(--muted);
  font-size:.62rem;
  font-weight:800;
  letter-spacing:.12em;
  text-transform:uppercase;
}

.ecosystem-panel a{
  display:grid;
  grid-template-columns:minmax(72px,auto) 1fr;
  gap:12px;
  align-items:baseline;
  min-height:42px;
  padding:9px 8px;
  border-top:1px solid rgba(255,255,255,.09);
  color:var(--ink);
  text-decoration:none;
}

.ecosystem-panel a:first-of-type{
  border-top:0;
}

.ecosystem-panel a:hover,
.ecosystem-panel a:focus-visible{
  background:rgba(255,255,255,.055);
  color:var(--green);
}

.ecosystem-panel a span{
  color:var(--muted);
  font-size:.7rem;
  font-weight:400;
}

.chapter-share{
  border-block:1px solid var(--line);
  background:var(--plum-2);
}

.chapter-share-inner{
  width:min(var(--shell),calc(100% - 2 * var(--gutter)));
  margin:auto;
  padding:clamp(24px,4vw,38px) 0;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:24px 48px;
  align-items:center;
}

.chapter-share-copy .eyebrow{
  margin-bottom:7px;
}

.chapter-share h2{
  font-size:clamp(1.45rem,3vw,2.1rem);
  letter-spacing:-.035em;
}

.chapter-share-copy>p:last-child{
  margin:9px 0 0;
  color:var(--muted);
  font-size:.84rem;
  line-height:1.55;
}

.share-utilities{
  min-width:min(100%,250px);
}

.share-actions{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  justify-content:flex-end;
}

.share-button{
  min-height:44px;
  padding:0 16px;
  border:1px solid rgba(4,245,255,.45);
  border-radius:999px;
  background:transparent;
  color:var(--cyan);
  font:inherit;
  font-size:.74rem;
  font-weight:800;
  letter-spacing:.05em;
  cursor:pointer;
}

.share-button:hover,
.share-button:focus-visible{
  border-color:var(--cyan);
  background:rgba(4,245,255,.08);
}

.share-button-primary{
  border-color:var(--green);
  background:var(--green);
  color:#07150e;
}

.share-button-primary:hover,
.share-button-primary:focus-visible{
  background:#5dffa9;
  color:#07150e;
}

.share-status{
  min-height:1.25em;
  margin:8px 2px 0;
  color:var(--muted);
  font-size:.7rem;
  text-align:right;
}

.follow{
  grid-template-columns:100px minmax(0,1fr);
  align-items:center;
}

.follow-copy p:not(.eyebrow){
  max-width:620px;
  color:var(--muted);
  line-height:1.6;
}

.follow-platforms{
  grid-column:1/-1;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:8px;
}

.follow-platforms a{
  display:grid;
  gap:4px;
  min-height:58px;
  padding:12px 14px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.025);
  color:var(--ink);
  text-decoration:none;
}

.follow-platforms a:hover,
.follow-platforms a:focus-visible{
  border-color:var(--cyan);
  background:rgba(4,245,255,.055);
}

.follow-platforms a strong{
  color:var(--cyan);
  font-size:.82rem;
}

.follow-platforms a span{
  color:var(--muted);
  font-size:.68rem;
}

.site-footer{
  align-items:flex-start;
}

.footer-identity{
  display:grid;
  gap:5px;
}

.footer-identity strong{
  color:var(--ink);
  font-size:.76rem;
}

.site-footer nav{
  display:flex;
  flex-wrap:wrap;
  justify-content:flex-end;
  gap:10px 24px;
  text-align:right;
}

.site-footer nav a{
  color:var(--cyan);
  text-decoration:none;
}

.site-footer nav a:hover,
.site-footer nav a:focus-visible{
  color:var(--green);
}

@media(min-width:900px){
  .follow{
    grid-template-columns:100px minmax(250px,.78fr) minmax(380px,1.22fr);
  }

  .follow-platforms{
    grid-column:auto;
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
}

@media(max-width:899px){
  .publication-header{
    grid-template-columns:minmax(0,1fr) auto;
    row-gap:12px;
    padding:12px 0 14px;
  }

  .publication-header .primary-nav{
    grid-column:1/-1;
    justify-self:stretch;
    justify-content:space-between;
    padding-top:12px;
    border-top:1px solid var(--line);
  }

  .ecosystem-menu{
    grid-column:2;
    grid-row:1;
  }
}

@media(max-width:599px){
  .chapter-share-inner{
    grid-template-columns:1fr;
  }

  .share-utilities{
    min-width:0;
  }

  .share-actions{
    justify-content:flex-start;
  }

  .share-status{
    text-align:left;
  }

  .follow{
    grid-template-columns:84px minmax(0,1fr);
  }

  .follow-profile{
    align-self:start;
  }

  .follow-platforms{
    grid-column:1/-1;
  }

  .site-footer{
    flex-direction:column;
  }

  .site-footer nav{
    justify-content:flex-start;
    text-align:left;
  }
}

@media(max-width:420px){
  .publication-header .primary-nav{
    gap:10px;
    font-size:.69rem;
  }

  .ecosystem-menu>summary{
    min-height:40px;
    padding-inline:12px;
  }

  .follow{
    grid-template-columns:1fr;
  }

  .follow-platforms{
    grid-template-columns:1fr;
  }
}