.science-resources{max-width:1240px;margin:0 auto;padding:clamp(25px,4vw,50px);color:var(--fg);font:17px/1.75 var(--sans,'DM Sans',sans-serif);min-width:0}
.science-resources *{box-sizing:border-box}
.science-resources :is(a,button,input,select,summary,textarea):focus-visible{outline:3px solid var(--accent);outline-offset:4px}
.science-resources .rs-breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:9px;font-size:12px;line-height:1.7;color:var(--sub);margin:0 0 28px}
.science-resources .rs-breadcrumb a{text-decoration:underline;text-underline-offset:4px;color:var(--sub)}
.science-resources .rs-breadcrumb [aria-current=page]{color:var(--fg)}
.science-resources .rs-header{max-width:760px;margin:0 0 33px}
.science-resources .rs-header h1{font:500 clamp(31px,4vw,43px)/1.2 var(--display,'Space Grotesk',sans-serif);letter-spacing:-.04em;margin:0 0 16px}
.science-resources .rs-header>p{font-size:17px;line-height:1.85;color:var(--sub);margin:0}
.science-resources .rs-directory{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.science-resources .rs-directory-card{display:flex;align-items:start;gap:20px;padding:29px;background:var(--panel);border:1px solid var(--border);border-radius:12px;color:var(--fg);text-decoration:none}
.science-resources .rs-directory-card:hover{background:var(--raised);border-color:var(--accent);text-decoration:none}
.science-resources .rs-card-icon{width:44px;min-width:44px;height:44px;display:grid;place-items:center;border:1px solid var(--border);border-radius:8px;font:500 22px/1 var(--display,'Space Grotesk',sans-serif);color:var(--selected-ink,var(--accent));background:var(--raised)}
.science-resources .rs-directory-card h2{font:500 23px/1.3 var(--display,'Space Grotesk',sans-serif);letter-spacing:-.025em;margin:2px 0 12px}
.science-resources .rs-directory-card p{font-size:15px;line-height:1.85;color:var(--sub);margin:0 0 22px}
.science-resources .rs-card-link{display:inline-flex;align-items:center;gap:22px;font-size:14px;line-height:1.5;color:var(--selected-ink,var(--accent))}
.science-resources .rs-card-link b{font-size:20px;font-weight:400}
.science-resources .rs-reading-list{display:grid;gap:17px}
.science-resources .rs-reading-card{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(190px,1fr);gap:32px;background:var(--panel);border:1px solid var(--border);border-radius:11px;padding:27px 30px}
.science-resources .rs-reading-main .rs-subject{font:10px/1.7 var(--mono,monospace);text-transform:uppercase;letter-spacing:.1em;color:var(--sub);margin:0 0 9px}
.science-resources .rs-reading-card h2{font:500 25px/1.3 var(--display,'Space Grotesk',sans-serif);letter-spacing:-.03em;margin:0 0 12px}
.science-resources .rs-reading-card h2 a{color:var(--fg);text-underline-offset:5px}
.science-resources .rs-reading-main>p:not(.rs-subject){font-size:15px;line-height:1.85;color:var(--sub);margin:0 0 17px;max-width:600px}
.science-resources .rs-open{display:inline-flex;gap:22px;align-items:center;color:var(--selected-ink,var(--accent));font-size:14px;text-decoration:underline;text-underline-offset:4px;min-height:42px}
.science-resources .rs-course-use{padding-left:26px;border-left:1px solid var(--border);align-self:center}
.science-resources .rs-course-use>p{font-size:11px;color:var(--sub);margin:0 0 10px}
.science-resources .rs-course-use ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.science-resources .rs-course-use li{font-size:13px;line-height:1.7}
.science-resources .rs-course-use a{color:var(--selected-ink,var(--accent));text-decoration:underline;text-underline-offset:4px}
.science-resources .rs-reader{padding-top:0}
.science-resources .rs-investigations .activity-catalog{padding:0;max-width:none}
.science-resources .rs-investigations .ac-intro h1{font-size:clamp(31px,4vw,43px);line-height:1.2;letter-spacing:-.04em}
.science-resources .rs-investigations .ac-intro h1 em{font-style:normal;color:var(--fg)}
.science-resources .rs-investigations .ac-intro>p{font-size:17px;line-height:1.85;max-width:760px}
@media(max-width:850px){.science-resources .rs-directory{grid-template-columns:1fr}.science-resources .rs-directory-card{padding:25px}.science-resources .rs-reading-card{gap:22px;padding:25px}.science-resources .rs-course-use{padding-left:20px}}
@media(max-width:650px){.science-resources{padding:27px 20px}.science-resources .rs-breadcrumb{margin-bottom:24px;font-size:11px}.science-resources .rs-header{margin-bottom:26px}.science-resources .rs-header h1{font-size:33px}.science-resources .rs-header>p{font-size:16px}.science-resources .rs-directory-card{gap:15px;padding:22px}.science-resources .rs-card-icon{width:36px;min-width:36px;height:38px;font-size:19px}.science-resources .rs-directory-card h2{font-size:22px}.science-resources .rs-reading-card{grid-template-columns:1fr;padding:23px;gap:22px}.science-resources .rs-reading-card h2{font-size:24px}.science-resources .rs-course-use{padding:18px 0 0;border-left:0;border-top:1px solid var(--border)}.science-resources .rs-course-use ul{gap:10px}.science-resources .rs-course-use li{font-size:14px}}