body.custom-background,body{background:#f2f6f8!important;color:#24364a;font-family:system-ui,-apple-system,"Segoe UI",Arial,sans-serif}.site{box-shadow:0 3px 24px #21374e0d}.site-header{background:#fff}.site-header-inner{padding-top:24px;padding-bottom:24px}.site-title,.site-title a{color:#254d70;font-weight:750}.site-description{color:#647588;line-height:1.5;max-width:590px}.site-logotype img{max-width:170px;height:auto}.main-navigation{background:#295e83}.main-navigation a{font-weight:600}.alto-start{padding:34px 40px 30px;background:linear-gradient(120deg,#eaf4f8,#f8faf5);border-bottom:1px solid #dce6ea}.alto-kicker{font-size:12px;font-weight:750;letter-spacing:.13em;color:#3b776a;margin:0 0 8px}.alto-start h2{font-size:30px;line-height:1.2;margin:0 0 12px;color:#183d56}.alto-start>p:not(.alto-kicker){color:#536879;margin:0;max-width:670px}.alto-topics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:24px}.alto-topics a{display:flex;gap:12px;justify-content:space-between;align-items:center;padding:16px;background:#fff;border:1px solid #d5e4e9;border-radius:12px;color:#245574;font-weight:650;text-decoration:none;min-height:72px;box-sizing:border-box}.alto-topics a:hover,.alto-topics a:focus-visible{border-color:#3b8076;box-shadow:0 3px 10px #1f596410}.alto-topics span{color:#438978}.post-card{border:1px solid #e1e9ef;border-radius:12px;overflow:hidden;background:#fff}.post-card .post-card__title,.post-card .entry-title{line-height:1.3}.entry-title{color:#213d53;line-height:1.25}.entry-content{overflow-wrap:break-word}.entry-content a{text-underline-offset:3px}.entry-content img{max-width:100%;height:auto}.entry-content h2{line-height:1.3;margin-top:1.6em}.entry-content table{max-width:100%}.alto-related{margin:32px 0;padding:22px 24px;background:#eff7f5;border-left:4px solid #438978;border-radius:0 12px 12px 0}.alto-related h2{font-size:21px;margin:0 0 10px}.alto-related ul{margin-bottom:0}.alto-community{padding:20px;background:#edf4f8;border:1px solid #dce8ee;border-radius:12px}.alto-community strong{display:block;font-size:19px;line-height:1.35}.alto-community p{font-size:15px;line-height:1.55;color:#586f82}.alto-community a{display:inline-block;font-weight:650;text-underline-offset:3px}.alto-footer-nav{display:flex;justify-content:space-between;gap:24px;padding:30px 40px;background:#eaf1f5;border-top:1px solid #d9e5ed}.alto-footer-nav strong{font-size:20px}.alto-footer-nav p{margin:6px 0 0;color:#607487}.alto-footer-nav nav{display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;max-width:550px}.alto-footer-nav a{font-size:15px;color:#295e83;text-underline-offset:3px}.alto-directory li{margin:9px 0;line-height:1.55}.widget_recent_entries li{line-height:1.5;margin-bottom:13px}.site-footer{background:#eaf1f5;border-top:1px solid #d9e5ed;color:#596f80}.site-footer-inner{padding-top:18px;padding-bottom:18px}
.post-card .entry-header{padding:16px 16px 0}.post-card .entry-title{font-size:19px;line-height:1.35;margin:0}.post-card .entry-title a{color:#213d53;text-decoration:none}.post-card .entry-title a:hover,.post-card .entry-title a:focus-visible{text-decoration:underline}.post-card .post-card__content{font-size:15px!important;line-height:1.6;padding:12px 16px 18px;margin:0}.post-card .post-card__image{margin-bottom:0!important}
@media(min-width:768px){#site-navigation{display:block!important}}
@media(max-width:767px){
.site-header-inner{display:grid!important;grid-template-columns:minmax(0,1fr) 38px;gap:14px;align-items:center;justify-content:initial;padding:18px 20px;height:auto;min-height:0}
.site-branding{grid-column:1;grid-row:1;display:flex;align-items:center;gap:12px;width:100%!important;padding:0!important;min-width:0}
.site-logotype{float:none!important;flex:0 0 52px;width:52px;margin:0!important}.site-logotype img{width:52px;max-width:100%;height:auto}
.site-branding-container{flex:1;min-width:0;width:0!important;overflow:visible!important;padding:0!important}
.site-title{font-size:19px!important;line-height:1.2!important;margin:0;white-space:normal!important;overflow-wrap:normal!important;word-break:normal}
.site-description{display:none!important}.mob-hamburger{position:static!important;grid-column:2;grid-row:1;justify-self:end;align-self:center;margin:0;width:38px;height:28px}
.mob-search{grid-column:1/-1;grid-row:2;width:100%!important;margin:0!important;min-width:0}.mob-search form{width:100%}
.alto-start{padding:25px 20px}.alto-start h2{font-size:25px}.alto-start>p:not(.alto-kicker){font-size:15px;line-height:1.55}
.alto-topics{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:18px}.alto-topics a{font-size:14px;line-height:1.4;padding:13px;min-height:74px}
.site-content{padding-top:24px}.alto-footer-nav{display:block;padding:26px 20px}.alto-footer-nav nav{margin-top:18px;display:grid;gap:14px}.site-footer-inner{padding:18px 20px}
.entry-content{font-size:16px;line-height:1.75}.entry-content table{display:block;overflow-x:auto}.alto-related{padding:18px}.single .entry-title{font-size:27px}.entry-content .alignleft,.entry-content .alignright{float:none;margin:1em auto}.alto-directory ul{padding-left:20px}.post-card .entry-title,.post-card__title{font-size:20px;line-height:1.35}
}
@media(max-width:359px){.site-title{font-size:18px!important}.site-header-inner{padding:16px;gap:12px}.site-logotype{flex-basis:44px;width:44px}.site-logotype img{width:44px}.site-branding{gap:10px}.alto-topics a{padding:10px;font-size:13px}}

/* Student edition: local SVG, paper grid and accessible native disclosures. */
:root{--alto-ink:#193f49;--alto-teal:#087f76;--alto-line:#dbe6df;--alto-paper:#fbfcf7;--alto-blue:#285ccd}
body.custom-background,body{color:#263f45;background-color:#f1f5ec!important;background-image:radial-gradient(#577b6d28 .8px,transparent .8px)!important;background-size:18px 18px!important}
.site{box-shadow:0 10px 50px #264b3e0c}.site-header{border-top:5px solid #087f76}.site-title,.site-title a{color:var(--alto-ink);letter-spacing:-.035em}.site-description{font-size:14px;color:#62746a}.site-header-inner{padding-top:26px;padding-bottom:26px}.site-logotype img{filter:saturate(.85)}
.main-navigation{background:var(--alto-ink);border-bottom:4px solid #8bd4b8}.main-navigation a{font-size:15px;letter-spacing:.01em}.main-navigation li:hover>a,.main-navigation .current-menu-item>a{background:#28606a!important;color:#fff!important}
a:focus-visible,summary:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #e5ad35!important;outline-offset:4px}
.alto-start{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:0 25px;padding:42px 40px 30px;background-color:var(--alto-paper);background-image:linear-gradient(#71978712 1px,transparent 1px),linear-gradient(90deg,#71978712 1px,transparent 1px);background-size:24px 24px;border-bottom:1px solid var(--alto-line);position:relative;isolation:isolate}
.alto-hero-copy{padding:8px 0;position:relative;z-index:1}.alto-kicker{display:flex;align-items:center;gap:8px;font-size:10px;letter-spacing:.16em;color:#31756b;font-weight:800;margin:0 0 18px}.alto-kicker>span{width:8px;height:8px;border:2px solid #087f76;border-radius:50%;box-sizing:border-box}
.alto-start h2{font-size:clamp(30px,3.1vw,43px);letter-spacing:-.045em;line-height:1.12;font-weight:800;color:var(--alto-ink);margin:0 0 18px}.alto-start h2 em{font-style:normal;color:#087f76;position:relative;white-space:nowrap}.alto-start h2 em:after{content:'';position:absolute;left:0;right:0;bottom:-4px;height:5px;background:#f3c766;border-radius:100%;transform:rotate(-2deg)}
.alto-hero-copy>p:not(.alto-kicker){max-width:420px;font-size:16px;line-height:1.65;margin:0 0 22px;color:#536c68}.alto-explore{display:inline-flex;align-items:center;gap:24px;padding:13px 20px;background:var(--alto-ink);border-radius:8px;color:#fff!important;font-size:14px;font-weight:700;text-decoration:none!important;box-shadow:0 4px 0 #aacabd}.alto-explore:hover{background:#087f76;transform:translateY(-1px)}.alto-explore span{font-size:20px;line-height:1}.alto-hero-copy>small{display:block;font-size:11px;color:#596e67;margin-top:13px;line-height:1.5}
.alto-lab-art{min-height:290px;position:relative;align-self:center}.alto-lab-art>svg{position:absolute;inset:17px 0 auto;width:100%;height:260px;overflow:visible}.alto-orbit{position:absolute;border-radius:50%;border:1px dashed #9fbfb1}.alto-orbit-one{width:245px;height:245px;left:22px;top:18px;transform:rotate(-16deg)}.alto-orbit-two{width:195px;height:195px;right:15px;top:35px;background:#d7eee262;border:0;z-index:-1}.alto-element{position:absolute;z-index:2;width:62px;height:73px;border:1px solid #86b5a4;background:#e6f4eb;border-radius:8px;box-shadow:3px 4px 0 #244a4a13;display:flex;flex-direction:column;align-items:center;color:#21665c}.alto-element>small{font-size:10px;align-self:flex-start;padding:4px 7px 0;line-height:1}.alto-element>b{font-size:31px;line-height:1.15;font-weight:750}.alto-element>span{font-size:9px;line-height:1.4}.alto-h{top:2px;left:0;transform:rotate(-8deg)}.alto-o{right:0;top:14px;background:#fef1d3;border-color:#dfc185;color:#80621d;transform:rotate(8deg)}.alto-c{right:0;bottom:30px;width:54px;height:65px;background:#e9ecff;border-color:#adb8e0;color:#415893;transform:rotate(-6deg)}.alto-c>b{font-size:26px}.alto-art-note{position:absolute;bottom:0;left:0;right:0;text-align:center;font-size:10px;letter-spacing:.09em;color:#5d7b72}
.alto-topics{grid-column:1/-1;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:32px}.alto-topics a{display:grid;grid-template-columns:32px minmax(0,1fr) 12px;gap:10px;min-height:95px;padding:15px 12px;border:1px solid #d2e0d6;background:#fff;border-radius:10px;box-shadow:0 3px 0 #dce6df66;color:var(--alto-ink);transition:transform .15s,border-color .15s}.alto-topics a:hover{transform:translateY(-3px);border-color:#087f76;box-shadow:0 5px 0 #dce6df}.alto-topic-icon{width:32px;height:36px;display:flex;align-items:center;justify-content:center;background:#e4f3eb;border-radius:8px;color:#087f76!important}.alto-topic-icon svg{width:24px;height:24px}.alto-topic-text{min-width:0;color:var(--alto-ink)!important}.alto-topic-text b{font-size:13px;line-height:1.35;display:block;font-weight:750}.alto-topic-text small{display:block;margin-top:5px;font-size:10px;font-weight:400;color:#63766b;line-height:1.4}.alto-topic-arrow{font-size:17px;color:#688c7e!important}.alto-topic-2 .alto-topic-icon{background:#e9edff;color:#4a62b2!important}.alto-topic-3 .alto-topic-icon{background:#fff1cc;color:#99712d!important}.alto-topic-4 .alto-topic-icon{background:#fce9de;color:#a66743!important}
.alto-quiz{grid-column:1/-1;background:#f1f6ee;border:1px dashed #9bb8a4;border-radius:9px;margin-top:20px;padding:0 18px;color:var(--alto-ink)}.alto-quiz summary{display:flex;align-items:center;gap:16px;list-style:none;cursor:pointer;min-height:55px;font-size:14px;font-weight:650;line-height:1.5;padding:12px 0}.alto-quiz summary::-webkit-details-marker{display:none}.alto-quiz-tag{font-size:9px;font-weight:800;letter-spacing:.07em;white-space:nowrap;color:#527c61}.alto-quiz-plus{margin-left:auto;font-size:23px;font-weight:400}.alto-quiz[open] .alto-quiz-plus{transform:rotate(45deg)}.alto-quiz>p{font-size:14px;line-height:1.7;border-top:1px solid #d3e1d1;padding:14px 0 18px;margin:0;color:#425d51}
.site-content{background:#fff}.post-card{border-radius:12px;border-color:#dce7df;box-shadow:0 3px 0 #eaf0e9;transition:box-shadow .15s,transform .15s}.post-card:hover{box-shadow:0 7px 17px #1d544015;transform:translateY(-2px)}.post-card .entry-title a{color:var(--alto-ink)}.post-card .post-card__image img{width:100%;object-fit:cover}.post-card .entry-meta a{border-radius:5px;background:#0b756a!important}.post-card .post-card__content{color:#566960}.entry-content{color:#304740;font-size:17px;line-height:1.8}.entry-content h2,.entry-content h3,.entry-title{color:var(--alto-ink)}.entry-content h2{border-left:4px solid #7dc7ab;padding-left:15px}.entry-content a{color:#146f8a}.widget-title{color:var(--alto-ink);line-height:1.4!important;position:relative;padding-left:14px!important;border-left:3px solid #6fbaa0}.widget_recent_entries a{color:#345b52}.widget_recent_entries li{border-bottom:1px dashed #d5e3d8;padding-bottom:12px}.alto-community{background:#edf7ef;border-color:#d0e4d5}.alto-community strong{color:var(--alto-ink)}.alto-footer-nav,.site-footer{background:#edf3e9;border-color:#d7e3d3}.alto-footer-nav{position:relative}.alto-footer-nav strong{color:var(--alto-ink)}.alto-footer-nav a{color:#28675d}.alto-photo-credit{font-size:12px!important;line-height:1.6!important;color:#64746b;background:#f4f6f1;border-radius:6px;padding:10px 13px;margin-bottom:22px}.alto-photo-credit a{color:inherit}.alto-related{background:#eff6eb;border-color:#7bb498}
@media(max-width:1023px){.alto-topics{grid-template-columns:repeat(2,minmax(0,1fr))}.alto-start{gap:0 18px}.alto-topics a{grid-template-columns:36px minmax(0,1fr) 12px;padding:15px;min-height:80px}.alto-topic-text b{font-size:14px}.alto-topic-text small{font-size:11px}}
@media(max-width:767px){.site-header-inner{padding:18px 20px}.alto-start{display:block;padding:26px 20px 22px}.alto-hero-copy{padding:0}.alto-kicker{font-size:9px;letter-spacing:.12em;margin-bottom:15px}.alto-start h2{font-size:33px;line-height:1.12;max-width:420px;margin-bottom:17px}.alto-hero-copy>p:not(.alto-kicker){font-size:15px;line-height:1.6;max-width:390px;margin-bottom:20px}.alto-explore{padding:12px 17px;font-size:13px}.alto-hero-copy>small{font-size:10px;max-width:270px}.alto-lab-art{min-height:190px;height:190px;margin:22px auto 0;max-width:300px}.alto-lab-art>svg{height:190px;top:0}.alto-orbit-one{width:175px;height:175px;left:48px;top:0}.alto-orbit-two{width:150px;height:150px;right:34px;top:15px}.alto-element{width:48px;height:57px}.alto-element>b{font-size:24px}.alto-element>span{font-size:8px}.alto-element>small{font-size:8px;padding-top:3px}.alto-h{top:0;left:15px}.alto-o{top:0;right:12px}.alto-c{right:12px;bottom:18px;width:43px;height:51px}.alto-c>b{font-size:21px}.alto-art-note{font-size:8px;bottom:-8px}.alto-topics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));margin-top:28px;gap:10px}.alto-topics a{grid-template-columns:28px minmax(0,1fr);gap:8px;min-height:90px;padding:12px 10px;align-items:start}.alto-topic-icon{width:28px;height:31px}.alto-topic-icon svg{width:21px;height:21px}.alto-topic-text b{font-size:12px}.alto-topic-text small{font-size:9px}.alto-topic-arrow{display:none}.alto-quiz{margin-top:18px;padding:0 13px}.alto-quiz summary{display:grid;grid-template-columns:minmax(0,1fr) 18px;gap:4px 8px;font-size:13px;min-height:69px}.alto-quiz-tag{grid-column:1;display:block;font-size:8px}.alto-quiz-plus{grid-column:2;grid-row:1/3}.alto-quiz>p{font-size:13px}.entry-content{font-size:16px;line-height:1.8}.single .entry-title{font-size:28px;letter-spacing:-.02em}.entry-content h2{font-size:24px}.alto-footer-nav strong{font-size:19px}}
@media(max-width:359px){.site-header-inner{padding:16px}.alto-start{padding:25px 16px 20px}.alto-start h2{font-size:29px}.alto-topics a{padding:10px 8px;grid-template-columns:24px minmax(0,1fr);gap:6px}.alto-topic-icon{width:24px;height:28px}.alto-topic-text b{font-size:11px}.alto-topic-text small{font-size:9px}.alto-kicker{font-size:8px}}
@media(prefers-reduced-motion:reduce){.post-card,.alto-topics a,.alto-explore{transition:none;transform:none!important}}
/* Theme colour customizer is printed after enqueued styles. */
body .site-title,body .site-title a{color:var(--alto-ink)!important}body .main-navigation{background:var(--alto-ink)!important}body .mob-hamburger span{background:var(--alto-ink)!important}body .alto-community a{color:#156f65!important}
@media(max-width:767px){.alto-lab-art{height:120px;min-height:120px;max-width:270px;margin-top:16px}.alto-lab-art>svg{height:120px}.alto-orbit-one{width:108px;height:108px;left:78px;top:0}.alto-orbit-two{width:100px;height:100px;right:65px;top:6px}.alto-h{left:16px;top:8px}.alto-o{right:12px;top:0}.alto-c{right:5px;bottom:0;width:34px;height:42px}.alto-c>b{font-size:17px}.alto-c>span{font-size:6px}.alto-art-note{display:none}.alto-topics{margin-top:20px}.alto-topics a{min-height:77px}.alto-hero-copy>p:not(.alto-kicker){margin-bottom:16px}}
.entry-image{margin:20px 0 24px!important;width:100%;max-width:100%;border-radius:12px;overflow:hidden}.entry-image img{display:block;width:100%;height:auto}.mob-hamburger:before,.mob-hamburger:after{background:var(--alto-ink)!important}