/* Shared interaction treatment. Text links use a continuous orange hover line.
   Action links draw one line across the label, gap and arrow without shifting layout. */
:root{--link-underline:#e58a4e}
a, a *{text-decoration-skip-ink:none;text-decoration-thickness:1px;text-underline-offset:4px}
:root a:hover,:root a:hover :is(.dir-q,.d-title,strong){text-decoration-color:var(--link-underline);text-decoration-thickness:1px;text-underline-offset:4px}
:root a:focus-visible{outline:2px solid currentColor;outline-offset:4px}

:root :is(.project-link,.quiet-link,.text-arrow,.text-link,.result-link,.paper-list nav a,.invite-people a,.site-footer-list a,.site-footer-email,.masthead nav a){
 position:relative;
 font-family:'Source Sans 3',sans-serif;
 font-size:1.125rem;
 font-weight:400;
 line-height:1.5;
 text-decoration:none;
 border-bottom:0;
}
:root :is(.project-link,.quiet-link,.text-arrow,.text-link,.result-link,.paper-list nav a,.invite-people a){display:inline-flex;align-items:center;gap:10px}
:root :is(.project-link,.quiet-link,.text-arrow){color:#454a73}
:root .home-intro-band .text-arrow{color:#f5f3ee}
:root :is(.project-link,.quiet-link,.text-arrow,.text-link,.result-link,.paper-list nav a,.invite-people a,.site-footer-list a,.site-footer-email,.masthead nav a)::after{
 content:'';position:absolute;left:0;right:0;top:calc(50% + .75em + 1px);height:1px;background:var(--link-underline);opacity:0;pointer-events:none;
}
:root :is(.project-link,.quiet-link,.text-arrow,.text-link,.result-link,.paper-list nav a,.invite-people a,.site-footer-list a,.site-footer-email,.masthead nav a):hover{text-decoration:none;border-bottom:0}
:root :is(.project-link,.quiet-link,.text-arrow,.text-link,.result-link,.paper-list nav a,.invite-people a,.site-footer-list a,.site-footer-email,.masthead nav a):is(:hover,:focus-visible)::after{opacity:1}
:root :is(.project-link,.quiet-link,.text-arrow):hover span{transform:none}
/* Title links keep their heading typography. Multi-line titles underline each text line. */
:root :is(.journal-news h3 a,.studio .journal-row h3 a,.studio .project-line h3 a):hover{text-decoration:underline;text-decoration-color:var(--link-underline)}
:root :is(.directions a,.journal-guides a,.station-studies a):hover{text-decoration:none}
:root :is(.directions a .dir-q,.journal-guides a strong,.station-studies a strong){text-decoration-skip-ink:none}

/* Each results row is one link; its study label shows the hover/focus underline. */
:root .research-result-row:is(:hover,:focus-visible) .result-link::after{opacity:1}

/* Shared navigation stays prominent; footer links remain comfortably readable. */
:root .masthead nav a{font-size:1.25rem}
:root :is(.site-footer-list a,.site-footer-email){font-size:1rem}