@import"https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;550;600;650;700&family=Manrope:wght@400;500;600;650;700;750;800&display=swap";.analytics-choice{position:fixed;bottom:18px;left:18px;z-index:80;width:min(360px,calc(100vw - 36px));padding:18px;background:#fffdf7;border:1px solid #bbccbc;border-radius:12px;box-shadow:0 5px 30px #173c3326;color:#244339;font-size:15px}.analytics-choice strong{display:block;font-size:16px}.analytics-choice p{font-size:14px;line-height:1.6;margin:8px 0 14px}.analytics-choice a{color:inherit;text-underline-offset:3px}.analytics-choice>div{display:flex;gap:8px}.analytics-choice button{flex:1;min-height:44px;border:1px solid #b6c6b3;border-radius:7px;padding:8px;font:inherit;background:#f5f8ef;color:#244339;cursor:pointer}.analytics-choice button:focus-visible,.analytics-choice a:focus-visible{outline:3px solid #b98029;outline-offset:2px}@media(max-width:900px){body:has(.audio-guide) .analytics-choice{bottom:calc(90px + env(safe-area-inset-bottom,0px))}.analytics-choice{max-height:50dvh;overflow:auto}}.library-shell{max-width:1440px;margin:auto}.library-header{display:flex;align-items:center;gap:40px;margin:0 5%;padding:24px 0;border-bottom:1px solid #dfe6dc}.library-header nav{display:flex;gap:27px;margin-left:auto;font-size:14px;color:#6b796a}.library-header nav a.active{color:#2b5139}.library-search-link{display:flex;align-items:center;gap:9px;border-left:1px solid #d8e0d1;padding-left:27px;font-size:14px;color:#65755c}.library-main{margin:0 5%}.library-intro{padding:52px 0 43px}.library-intro h1{font:650 clamp(36px,4.4vw,61px)/1.13 Manrope,sans-serif;letter-spacing:-2.7px;margin:20px 0}.library-intro h1 em{font-style:normal;color:#789052}.library-intro>p{font-size:18px;color:#6d7e66;line-height:1.7;margin:0}.discovery-search{display:flex;align-items:center;gap:15px;max-width:620px;background:#fff;border:1px solid #d6dfce;border-radius:11px;padding:9px 11px 9px 18px;margin-top:30px;box-shadow:0 4px 15px #334d2705;color:#879777}.discovery-search input{border:0;background:none;outline:none;min-width:0;flex:1;padding:10px 0;color:#355334;font-size:16px}.discovery-search input::placeholder{color:#97a28d}.discovery-search:focus-within{outline:2px solid #6b8b54;outline-offset:3px}.discovery-search button{width:40px;height:40px;border-radius:7px;background:#385b42;color:#fff;display:grid;place-items:center}.curiosity-prompts{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-size:12px;color:#879579;margin-top:16px}.curiosity-prompts a{border-bottom:1px solid #c4d0b9;color:#6d8457;padding:2px 0;margin-left:5px}.library-section{padding:24px 0 40px}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:25px}.section-heading h2{font:600 27px/1.4 Manrope,sans-serif;letter-spacing:-.9px;margin:8px 0 0}.topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.topic-card{background:#fffdf7;border:1px solid #dde4d6;border-radius:15px;overflow:hidden;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s}.topic-card:hover{transform:translateY(-3px);box-shadow:0 12px 25px #334a2410}.topic-card-art{height:210px;position:relative;background:radial-gradient(ellipse at 45% 80%,#bacdaa,#eaf0df 70%);display:grid;place-items:center}.topic-card.amber .topic-card-art{background:radial-gradient(ellipse at 45% 80%,#dcc493,#f2ebd9 70%)}.topic-symbol{color:#6b8961;opacity:.9}.preview-badge{position:absolute;top:18px;left:18px;font-size:12px;color:#577345;border:1px solid #ffffffb3;border-radius:5px;padding:6px 9px;background:#ffffff6e}.card-open{position:absolute;bottom:20px;right:20px;width:38px;height:38px;display:grid;place-items:center;border-radius:50%;background:#ffffff9c;color:#48633c}.topic-card-copy{padding:24px}.topic-card-copy .eyebrow{font-size:11px;letter-spacing:1px}.topic-card h3{font:600 25px/1.35 Manrope,sans-serif;letter-spacing:-.7px;margin:11px 0 12px}.topic-card p{font-size:16px;line-height:1.7;color:#77816f;margin:0}.card-meta{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-top:23px;border-top:1px solid #e6ebdf;padding-top:17px;color:#89957d;font-size:12px}.library-principles{border-top:1px solid #dfe6d7;border-bottom:1px solid #dfe6d7;padding:31px 0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:55px;margin:5px 0 30px;color:#6e835e}.library-principles h3{font-size:16px;font-weight:550;color:#3e5e39;margin:13px 0 8px}.library-principles p{font-size:14px;line-height:1.8;margin:0;color:#849276}.library-footer{margin:0 5%;padding:26px 0 35px;display:flex;justify-content:space-between;font-size:13px;color:#8b977f}.library-footer>span{display:flex;gap:8px;align-items:center}.library-footer>div{display:flex;gap:25px}.route-loading{display:grid;place-items:center;min-height:60vh;color:#617850;font-size:17px}@media(max-width:850px){.library-header{gap:20px}.library-search-link{padding-left:18px}.library-search-link span{display:none}.library-header nav{gap:18px}.library-intro{padding:36px 0 30px}.library-intro h1{letter-spacing:-1.7px}.library-principles{gap:25px}.section-heading h2{font-size:24px}.topic-card h3{font-size:22px}.topic-card-copy{padding:22px}.topic-card-art{height:180px}}@media(max-width:600px){.library-header{flex-wrap:wrap;gap:16px;padding:20px 0 14px}.library-header nav{order:3;width:100%;justify-content:space-between;border-top:1px solid #e2e7dc;padding-top:15px;font-size:14px}.library-search-link{margin-left:auto;border:0;padding:4px}.library-intro h1{font-size:38px;letter-spacing:-1.7px}.library-intro>p{font-size:16px}.discovery-search{gap:10px;padding-left:12px}.discovery-search input{font-size:14px}.discovery-search>svg{width:18px}.curiosity-prompts{font-size:12px;gap:8px}.curiosity-prompts>span{width:100%}.curiosity-prompts a{margin-left:0;margin-right:8px}.section-heading{display:block}.section-heading .inline-link{margin-top:10px}.section-heading h2{font-size:25px}.topic-grid{grid-template-columns:1fr;gap:20px}.topic-card-art{height:190px}.topic-card h3{font-size:24px}.library-principles{grid-template-columns:1fr;gap:25px;padding:27px 0}.library-principles h3{margin-top:9px}.library-footer{font-size:12px;gap:24px;align-items:flex-start}.library-footer>div{flex-direction:column;gap:13px}.library-footer>span{max-width:125px;line-height:1.6}}.browse-page,.reading-page{padding:48px 0 60px}.browse-page>h1,.reading-page>h1,.empty-page h1{font:600 clamp(32px,4vw,48px)/1.22 Manrope,sans-serif;letter-spacing:-1.8px;margin:15px 0 18px}.reading-lead{font-size:19px;line-height:1.7;max-width:780px;color:#74806b}.browse-page>.inline-link,.reading-page>.inline-link{margin-bottom:20px}.reading-page>.eyebrow{display:block}.filter-row{display:flex;align-items:flex-end;flex-wrap:wrap;gap:20px;margin:24px 0 28px}.filter-row label{display:flex;flex-direction:column;gap:8px;font-size:12px;color:#65795b}.filter-row select{background:#fffdf7;border:1px solid #d4ddca;border-radius:7px;padding:11px 35px 11px 12px;color:#3d573a;min-width:180px;font-size:14px}.filter-row>span{margin-left:auto;font-size:13px;color:#7a886d;padding-bottom:13px}.catalog-note{font-size:13px;line-height:1.7;color:#7b8771;margin:25px 0}.catalog-note a{text-decoration:underline}.world-directory{margin-top:60px;padding-top:30px;border-top:1px solid #dbe1d2}.world-directory h2{font-size:24px;font-weight:500}.world-links{display:grid;grid-template-columns:repeat(3,1fr);gap:1px 30px}.world-links a{display:flex;align-items:center;justify-content:space-between;gap:15px;border-bottom:1px solid #dfe5d7;padding:17px 0;font-size:14px}.world-links small{font-size:11px;color:#8b977e;white-space:nowrap}.reading-page{max-width:870px}.reading-page h2{font:600 25px Manrope,sans-serif;margin:37px 0 18px}.reading-page h3{font-size:18px;line-height:1.6;font-weight:550}.reading-page p,.reading-page li{line-height:1.9;color:#74816a;font-size:16px}.review-status{padding:23px;border:1px solid #d6ddc8;border-radius:10px;background:#e9ecd9;margin:30px 0}.review-status strong{font-size:15px;color:#5b6a40}.review-status p{font-size:14px;margin:9px 0}.review-status code{font-size:12px;color:#7f8b69}.claim-record{border-bottom:1px solid #dce3d3;padding:4px 0 23px}.claim-record h3{margin-bottom:8px}.claim-record p{margin-top:0}.assumption-list,.process-list{padding-left:24px}.assumption-list li,.process-list li{padding-left:8px;margin:17px 0}.process-list strong{color:#45633a}.empty-page{min-height:65vh;padding:85px 0}.empty-page p{color:#79866e;max-width:550px;line-height:1.8}.button-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.empty-page .button-row{margin-top:26px}.empty-page .primary-action{width:auto;padding:14px 20px}.group-list{display:grid;grid-template-columns:1fr;max-width:810px;margin-top:30px}.group-list>a{border:1px solid #d6dfca;border-radius:12px;background:#e9efdf;padding:30px}.group-list h2{font-size:28px;font-weight:500}.group-list p{color:#7a886c;line-height:1.8}.path-steps{list-style:none;padding:0;max-width:830px}.path-steps li{display:flex;gap:28px;border-bottom:1px solid #dce3d3;padding:26px 0}.step-number{font:400 36px Manrope,sans-serif;color:#a3b58e}.path-steps h2{font-size:22px;font-weight:500;margin:3px 0 10px}.path-steps p{color:#7a876d;line-height:1.8}.concept-topics{margin-top:35px}.curriculum-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:38px}.curriculum-list h2{font-size:22px;font-weight:550;margin:14px 0}.curriculum-list details{border-bottom:1px solid #dce2d3;padding:15px 0;font-size:14px}.curriculum-list summary{cursor:pointer;line-height:1.6;display:flex;gap:15px;justify-content:space-between}.curriculum-list summary span{font-size:11px;white-space:nowrap;color:#98a287}.curriculum-list p{line-height:1.8;color:#7a856e}.curriculum-list small{color:#909b80;line-height:1.7}.scale-journey{font-size:12px;color:#6e8b51!important}.empty-results{padding:30px;background:#edf0e3;border-radius:12px}.empty-results h2{font-size:24px;font-weight:500}.empty-results p{color:#7c886d;line-height:1.8}.empty-results .inline-link{margin:20px 0 0}.lesson-connections{display:flex;justify-content:space-between;gap:40px;border-top:1px solid #dce3d2;margin:45px 0 5px;padding:32px 0}.lesson-connections h2{font-size:23px;font-weight:500}.concept-tags{display:flex;flex-wrap:wrap;gap:8px}.concept-tags a{border:1px solid #ccd9bd;border-radius:30px;padding:8px 12px;font-size:12px;color:#72865d}.next-exploration{max-width:410px}.next-exploration>a:first-child{display:grid;grid-template-columns:1fr 22px;gap:8px 25px}.next-exploration small{font-size:10px;letter-spacing:1px;color:#95a080}.next-exploration strong{grid-column:1;font-weight:500;line-height:1.6}.next-exploration>a:first-child>svg{grid-column:2;grid-row:2}.next-exploration>.inline-link{font-size:12px;margin-top:20px}.gear-main{margin:0 5%}.gear-heading-symbol{color:#b6bd96;align-self:center}.gear-scene{background:#e8e8d5!important}.gear-workspace .gear-controls{grid-column:2;grid-row:1}.gear-turn{background:#8a6832}.gear-turn:hover{background:#785927}.gear-labels{position:absolute;left:15%;right:15%;bottom:82px;display:flex;justify-content:space-between;pointer-events:none;gap:15px}.gear-labels span{display:flex;align-items:center;gap:8px;font-size:10px;font-weight:600;color:#647153;background:#f9f8edb3;border:1px solid #fff9;padding:7px 9px;border-radius:5px}.input-dot,.output-dot{width:9px;height:9px;border-radius:50%;display:inline-block;background:#bc8b43;flex-shrink:0}.output-dot{background:#648c73}.gear-scrub{border:1px solid #dce2d0;background:#fafaf1;padding:15px 22px;margin-top:12px;border-radius:9px}.gear-scrub>span{display:flex;justify-content:space-between;font-size:13px;color:#6f7e5e}.gear-scrub small{color:#8a9478}.gear-scrub input{width:100%;margin:15px 0 3px;accent-color:#8a6832}.gear-count-control{padding:24px 0 0}.gear-count-control>label{display:flex;gap:10px;align-items:center;font-size:14px;color:#52694a}.gear-count-control>div{display:grid;grid-template-columns:repeat(6,1fr);gap:5px;margin:12px 0 7px}.gear-count-control button{padding:10px 0;border-radius:5px;border:1px solid #d5dfc8;background:#f8f9ef;color:#81946d;font-size:13px}.gear-count-control button.active{background:#627a50;color:#fff;border-color:#627a50}.gear-count-control small{font-size:11px;color:#929e80}.gear-rpm{padding-top:27px}.gear-rpm input{accent-color:#73835c}.gear-controls .settings-note{margin:18px 0 0}.gear-observation{padding:26px 28px;display:grid;grid-template-columns:1.3fr 1fr;gap:50px}.gear-observation h3,.gear-discovery h3,.gear-detail-copy h3{font-size:23px;line-height:1.5;font-weight:500;margin:8px 0 10px;letter-spacing:-.5px}.gear-observation p,.gear-discovery p,.gear-detail-copy p{font-size:15px;line-height:1.8;color:#7c896c}.gear-speed-comparison{display:flex;align-items:center;justify-content:space-around;gap:20px}.gear-speed-comparison>span{font-size:12px;color:#819270;display:flex;flex-wrap:wrap;align-items:center;gap:7px;max-width:130px}.gear-speed-comparison strong{display:block;width:100%;font:500 37px Manrope,sans-serif;color:#4a633b}.gear-speed-comparison small{font-size:13px;margin-left:7px;color:#829471}.gear-speed-comparison>svg{color:#9bad89}.gear-discovery{margin:0 28px 25px;padding:24px;display:flex;gap:22px;background:#eceddb;border:1px solid #dfe3c9;border-radius:10px}.gear-discovery>svg{flex-shrink:0;color:#929b66;margin-top:12px}.gear-discovery h3{margin:4px 0 7px}.gear-discovery p{margin:0}.gear-detail-copy{padding:0 28px 25px;max-width:900px}.gear-torque{border-top:1px solid #e0e7d2;padding:23px 28px;display:flex;justify-content:space-between;align-items:center;gap:20px}.gear-torque p{display:flex;gap:12px;align-items:center;color:#7e8c6b}.gear-torque strong{font-size:20px;font-weight:500;color:#516640}.gear-torque small{font-size:12px;line-height:1.7;color:#909c7c;display:block;max-width:650px}.gear-torque .depth-picker{align-self:flex-start}.gear-share{padding:30px 0 20px}.gear-share h2{font-size:25px;font-weight:500;margin:0}.gear-share p{color:#839171;font-size:14px;line-height:1.8}.gear-share .button-row{margin:20px 0 14px}.gear-share>small{font-size:12px;color:#99a183;line-height:1.7}.gear-notice{padding:13px 15px;border-radius:8px;background:#e6edd8;border:1px solid #ccdaba;color:#526e3d!important}.topic-card-art>svg{width:85%;height:90%;overflow:hidden}.topic-card-art .mini-motion{transform-origin:240px 110px;animation:orbit-preview 18s linear infinite}.topic-card.amber .mini-motion{transform-origin:175px 110px;animation-duration:12s}.topic-card .preview-output{transform-origin:275.8px 110px;animation:orbit-preview 24s linear infinite reverse}@keyframes orbit-preview{to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){.topic-card-art .mini-motion,.topic-card .preview-output{animation:none}.topic-card{transition:none}}@media(max-width:850px){.world-links{grid-template-columns:repeat(2,1fr)}.gear-labels{left:10%;right:10%}.gear-observation{gap:25px;grid-template-columns:1fr}.gear-speed-comparison{justify-content:flex-start;gap:45px}.gear-torque{align-items:flex-start}.gear-torque .depth-picker{flex-shrink:0}.lesson-connections{gap:25px}.gear-controls{padding:22px}}@media(max-width:700px){.gear-workspace .gear-controls{grid-column:auto;grid-row:auto}.gear-workspace .road-workbench{position:static}.gear-scrub{display:block}.gear-scene{height:330px!important}.gear-labels{left:10%;right:10%;bottom:65px}.gear-scene .scene-bottom{bottom:15px;font-size:10px}.gear-scene .scene-bottom>span:last-child{display:none}.gear-count-control>div{gap:8px}.gear-torque{flex-direction:column}.gear-observation{padding:22px}.gear-discovery{margin:0 18px 20px;padding:20px 16px;gap:15px}.gear-detail-copy{padding:0 22px 23px}.gear-torque{padding:22px}.gear-main .page-heading h1{font-size:31px}.gear-heading-symbol{display:none}.lesson-connections{flex-direction:column;gap:28px}.curriculum-list{grid-template-columns:1fr;gap:25px}.filter-row{gap:14px}.filter-row label{flex:1}.filter-row select{min-width:0;width:100%}.filter-row>span{width:100%;padding:0}.world-links{grid-template-columns:1fr}.world-directory{margin-top:40px}.browse-page,.reading-page{padding:32px 0 40px}.reading-lead{font-size:16px}.reading-page h2{font-size:23px}.reading-page p,.reading-page li{font-size:15px}.reading-page>h1,.browse-page>h1{font-size:34px;letter-spacing:-1.2px}.path-steps li{gap:18px}.path-steps h2{font-size:21px}.group-list>a{padding:23px}.gear-labels span{font-size:9px}}@media(max-width:700px){.gear-workspace .explanation-panel{grid-column:auto;grid-row:auto}}.shared-link-field{display:block;font-size:12px;color:#7d8b6d;margin:20px 0}.shared-link-field>input{display:block;width:100%;margin:8px 0 12px;border:1px solid #d0ddc1;border-radius:6px;background:#fffdf5;padding:11px;font-size:12px;color:#6c8156}.brand-word{position:relative;font:650 25px/1.15 Manrope,sans-serif;letter-spacing:-1px}.brand-word small{display:block;font:400 12px/1.6 Manrope,sans-serif;letter-spacing:.25px;margin-top:4px;color:#7e8d73}.lesson-journey{display:flex;gap:9px;border-bottom:1px solid #d9e2d1;padding:22px 0 20px}.lesson-journey>a{display:flex;gap:12px;align-items:center;border:1px solid transparent;padding:13px 19px;border-radius:9px;color:#879773;font-size:15px}.lesson-journey>a.active{background:#e4edd8;border-color:#c5d6b4;color:#436537}.lesson-journey>a:hover{background:#eaf0e2}.lesson-journey small{display:block;font-size:12px;color:#899a76;line-height:1.6;margin-top:3px}.lesson-journey svg{flex-shrink:0}.lesson-journey a:focus-visible{outline:3px solid #b48a46;outline-offset:3px}@media(max-width:700px){.lesson-journey{gap:5px;padding:16px 0}.lesson-journey>a{flex:1;flex-direction:column;gap:7px;padding:11px 5px;text-align:center;font-size:14px;justify-content:center}.lesson-journey small{display:none}.brand-word{font-size:24px}}.application-evidence-section{border-top:1px solid #ccd9bf;margin-top:44px;padding-top:31px;scroll-margin-top:30px}.application-evidence-section .eyebrow{font-size:12px}.application-evidence-section code{font-size:13px;color:#65814e}.topic-card-main{display:flex;flex-direction:column;flex:1}.topic-card-main .topic-card-copy{flex:1}.topic-tags{display:flex;gap:7px;flex-wrap:wrap;margin:15px 0}.topic-tags a{display:inline-flex;align-items:center;padding:7px 10px;min-height:36px;border:1px solid #d4ded1;background:#f0f5e9;border-radius:6px;color:#526f55;font-size:13px}.topic-tags a:hover{background:#dfead6}.card-tags{padding:0 24px 22px;margin:0}.topic-card.teal .topic-card-art{background:radial-gradient(ellipse at 50% 80%,#afcecb,#e5eeea 75%)}.active-tag{display:flex;align-items:center;gap:16px;margin:-8px 0 23px;font-size:14px;color:#4d6d5c}.active-tag button{padding:9px 12px;background:#e5eddd;border-radius:6px}.topic-card-main:focus-visible,.topic-tags a:focus-visible{outline:3px solid #b9924c;outline-offset:-4px}.topic-card-art{height:clamp(220px,24vw,300px);overflow:hidden;isolation:isolate}.topic-cover-art{display:block;width:100%;height:100%;object-fit:contain}.topic-card-art .preview-badge{background:#fffdf7dc;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.topic-card-art .card-open{background:#fffdf7e6}.related-explorations{margin:24px 5% 45px;padding-top:35px;border-top:1px solid #d6e1d3}.related-topic-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.related-topic-grid .topic-card-art{height:210px}.related-topic-grid .topic-card-copy{padding:20px}.related-topic-grid .topic-card h3{font-size:21px}.related-topic-grid .card-meta>span:last-child{display:none}.related-topic-grid .card-tags{padding:0 20px 20px}.related-topic-grid .preview-badge{font-size:12px;left:12px;top:12px}.app-shell .related-explorations{margin:35px 0}.related-explorations .topic-card-main{color:inherit;text-decoration:none}@media(max-width:1000px){.related-topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:650px){.related-topic-grid{grid-template-columns:1fr}.related-topic-grid .topic-card-art{height:240px}}.collection-paths{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin:28px 0}.collection-path-card{display:block;padding:30px;background:#173c43;color:#edf7f0;border-radius:16px;text-decoration:none;min-height:180px}.collection-path-card:nth-child(2n){background:#2f415e}.collection-path-card:nth-child(3n){background:#654c3c}.collection-path-card h3{font-size:1.7rem;color:inherit;margin:12px 0}.collection-path-card p{color:#d4e5e3;line-height:1.65}.collection-path-card small{font-size:.9rem;letter-spacing:.05em}.collection-path-card:hover{filter:brightness(1.08)}.collection-path-card{padding:0;overflow:hidden;background:#fffdf7;color:#213f3a;border:1px solid #d8e3d6}.collection-path-card:nth-child(2n),.collection-path-card:nth-child(3n){background:#fffdf7}.collection-path-card>div:not(.collection-cover){padding:24px 28px}.collection-path-card p{color:#5d7169}.collection-path-card small{color:#54705e}.collection-cover{height:220px;overflow:hidden;background:#fff1df}.collection-cover img{width:100%;height:100%;object-fit:contain;display:block}.collection-path-card h2{font-size:1.7rem;margin:12px 0}.collection-intro-actions{display:flex;flex-wrap:wrap;gap:18px 30px;align-items:center;margin:25px 0 35px;padding:20px 0;border-block:1px solid #d8e3d6}.collection-intro-actions>span{font-size:.875rem;color:#617669}.force-cover{background:#173d45;color:#dcf0e5;width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px}.force-cover strong{font-size:1.5rem;line-height:1.3;text-align:center}.force-cover span{font-size:.9rem}.force-cover svg{height:65px!important;width:65px!important}.filter-row{flex-wrap:wrap}.filter-row label{min-width:150px;flex:1}.filter-row select{max-width:100%}@media(max-width:720px){.collection-paths{grid-template-columns:1fr}.collection-cover{height:210px}.collection-intro-actions{align-items:flex-start;flex-direction:column}}:root{font-family:DM Sans,sans-serif;color:#243e37;background:#f5f6f2;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;font-size:16px;--ink:#243e37;--muted:#69776d;--line:#dfe5dc;--green:#284d3d;--orange:#efac53;--scene:#e9efea}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button{border:0;background:none;color:inherit;cursor:pointer;transition:background .18s,box-shadow .18s}button:disabled{opacity:.55;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #ba843b;outline-offset:4px}button svg{flex:none}a{color:inherit;text-decoration:none}.app-shell{max-width:1600px;margin:auto}.site-header{min-height:82px;margin:0 4%;display:flex;align-items:center;gap:32px;border-bottom:1px solid var(--line);padding:16px 0}.brand{display:flex;align-items:center;gap:10px;font:750 18px Manrope,sans-serif;letter-spacing:-.6px;white-space:nowrap}.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:#e6eddf;color:#47704c}.brand-dot{color:#bd7940}.header-section{display:flex;align-items:center;gap:8px;font-size:14px;color:#7c877c;border-left:1px solid var(--line);padding-left:26px}.header-actions{display:flex;gap:23px;margin-left:auto}.text-button{display:flex;align-items:center;justify-content:center;gap:7px;font-size:14px;font-weight:500;padding:7px 0;color:#617160}.text-button:hover{color:#213e30}.text-button svg{color:#7c8d74}main{margin:0 4%}.page-heading{display:flex;justify-content:space-between;align-items:center;padding:30px 0 27px;gap:24px}.eyebrow{font-size:12px;letter-spacing:1.2px;font-weight:600;color:#77836e}.page-heading h1{font-family:Manrope,sans-serif;font-size:clamp(28px,2.65vw,42px);line-height:1.2;letter-spacing:-1.5px;margin:10px 0 12px;font-weight:750}.page-heading p{font-size:16px;line-height:1.6;color:var(--muted);margin:0}.page-heading strong{font-weight:500;color:#4b6250}.question-mark{font:500 90px Manrope,sans-serif;color:#dce4d3;line-height:1;padding-right:12px;transform:rotate(12deg)}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 340px;grid-template-areas:"road controls" "explain explain";gap:0 22px;align-items:start}.road-workbench{grid-area:road;align-self:stretch;display:flex;flex-direction:column}.road-workbench>.scene-container{flex:1}.road-workbench>.action-bar{flex:none}.scene-container{grid-area:scene;min-height:490px;position:relative;isolation:isolate;height:490px;width:100%;background:var(--scene);border:1px solid #dbe3d9;border-radius:16px 16px 0 0;overflow:hidden}.scene-container>div:first-child{position:absolute!important;inset:0}.scene-container canvas{display:block;outline:none}.scene-top{position:absolute;top:18px;left:20px;right:18px;display:flex;justify-content:space-between;align-items:center;gap:16px;pointer-events:none}.scene-top button{pointer-events:auto}.scene-label{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:500;color:#657861}.live-dot,.pause-dot{width:7px;height:7px;border-radius:50%;background:#68936d}.live-dot{box-shadow:0 0 0 4px #6b8e6220}.pause-dot{background:#9e885f}.scene-round,.icon-button{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:7px;color:#58704f}.scene-round{background:#f8faf3b8;border:1px solid #cad6c3}.scene-round:hover,.icon-button:hover{background:#e8eee0}.view-controls{position:absolute;left:18px;top:65px;display:flex;gap:2px;padding:4px;border:1px solid #fff9;border-radius:9px;background:#f9fcf3bd;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);box-shadow:0 2px 7px #314c3208}.view-controls button{display:flex;align-items:center;gap:6px;border-radius:6px;padding:9px 11px;font-size:13px;color:#77876d}.view-controls button.selected{background:#fff;box-shadow:0 2px 5px #3047240d;color:#315632}.view-controls button:hover{background:#ffffffad}.scene-bottom{position:absolute;bottom:18px;left:20px;right:20px;display:flex;align-items:center;justify-content:space-between;gap:20px;pointer-events:none}.orbit-hint{display:flex;align-items:center;gap:6px;font-size:12px;color:#6c7c67}.road-label{font-size:12px;color:#7a8971;white-space:nowrap}.speed-legend{display:flex;align-items:center;gap:14px;position:absolute;bottom:61px;right:20px;font-size:12px;padding:8px 11px;border-radius:6px;background:#f9fbf1db;color:#6c7e5f}.speed-legend span{display:flex;align-items:center;gap:5px}.speed-legend i{display:block;width:7px;height:7px;border-radius:50%}.stopped-color{background:#d26b54}.slow-color{background:#e3b658}.moving-color{background:#78a17e}.scene-instruction{position:absolute;left:20px;bottom:65px;font-size:12px;display:flex;align-items:center;gap:7px;color:#7e6a3e;background:#fcf4dce8;border:1px solid #e6d4a2;border-radius:6px;padding:7px 10px}.selected-dot{display:block;width:9px;height:9px;border-radius:50%;border:2px solid #c9973f}.car-detail{position:absolute;left:18px;top:128px;border:1px solid #fff;background:#ffffffdb;padding:15px 17px;border-radius:10px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 4px 15px #3043200a}.car-detail>span{font-size:12px;letter-spacing:1px;color:#7b8c6e}.car-detail strong{display:block;font-family:Manrope,sans-serif;font-size:28px;margin-top:5px;letter-spacing:-1px}.car-detail strong small{font-size:14px;font-weight:400;letter-spacing:0}.car-detail p{font-size:13px;color:#75856b;margin:4px 0 12px}.car-detail button{display:flex;align-items:center;gap:15px;font-size:13px;padding:0}.action-bar{grid-area:actions;background:#fff;border:1px solid var(--line);border-top:0;border-radius:0 0 14px 14px;padding:15px;display:flex;align-items:center;justify-content:space-between;gap:15px}.brake-button{display:flex;align-items:center;justify-content:space-between;gap:17px;background:#f2bc69;border:1px solid #e7a951;box-shadow:0 2px #c79a4d19;padding:13px 16px;border-radius:9px;text-align:left;min-width:240px;color:#67451c}.brake-button>span{font-weight:650;font-size:17px;line-height:1.2;flex:1}.brake-button small{display:block;font-size:12px;font-weight:400;margin-top:5px;line-height:1.3;color:#825f30}.brake-button:hover:not(:disabled){background:#efb358;box-shadow:0 3px 12px #a4731e20}.brake-button:active:not(:disabled){transform:translateY(1px)}.brake-button.braking{background:#f6d296}.playback{display:flex;align-items:center;justify-content:flex-end;gap:9px}.playback>.icon-button{background:#f0f3ea;border:1px solid #e3e9da}.playback-speed select{font-size:14px;background:transparent;border:0;color:#64775c;padding:7px 0;cursor:pointer}.time{font-size:13px;font-variant-numeric:tabular-nums;color:#7f8b77;min-width:38px}.reset-button{display:flex;align-items:center;justify-content:center;gap:7px;font-size:13px;padding:10px 0 10px 12px;margin-left:3px;border-left:1px solid #e6eadf;color:#718263;white-space:nowrap}.control-panel{grid-area:controls;border:1px solid var(--line);border-radius:14px;background:#fff;overflow:hidden;padding:23px}.panel-heading{display:flex;align-items:flex-start;gap:10px;padding-bottom:21px;border-bottom:1px solid #ecf0e6}.panel-icon{width:33px;height:33px;display:grid;place-items:center;flex:none;background:#edf2e3;color:#6f8b51;border-radius:7px;margin-top:2px}.panel-heading h2{font-family:Manrope,sans-serif;font-size:25px;letter-spacing:-.8px;font-weight:700;margin:0 0 5px}.panel-heading p{font-size:13px;line-height:1.5;color:#75836d;margin:0}.sliders{display:flex;flex-direction:column;gap:24px;padding:23px 0 0}.range-control{display:block;min-width:0}.range-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;font-size:14px;font-weight:550;line-height:1.45}.range-heading>span:first-child{max-width:175px}.range-value{font-family:Manrope,sans-serif;display:flex;align-items:baseline;gap:4px;font-size:19px;font-weight:650;white-space:nowrap;line-height:1.1;font-variant-numeric:tabular-nums}.range-value small{font-family:DM Sans,sans-serif;font-size:12px;color:#768769;font-weight:400}.range-control input{appearance:none;display:block;width:100%;height:5px;margin:19px 0 13px;border-radius:6px;background:linear-gradient(to right,#789465 var(--range),#e7eddf var(--range));cursor:pointer}.range-control input::-webkit-slider-thumb{appearance:none;background:#fff;border:4px solid #789465;width:19px;height:19px;border-radius:50%;box-shadow:0 1px 4px #2e491e1a}.range-control input::-moz-range-thumb{background:#fff;border:4px solid #789465;width:11px;height:11px;border-radius:50%}.range-ends{display:flex;justify-content:space-between;gap:10px;font-size:12px;color:#8a967f}.range-explanation{display:block;color:#74856a;font-size:12px;line-height:1.5;margin-top:9px}.settings-note{display:flex;align-items:flex-start;gap:7px;font-size:12px;line-height:1.5;color:#87947b;margin:20px 0 0}.settings-note svg{flex:none;margin-top:2px}.settings-note.changed{color:#58723f}.secondary-controls{border-top:1px solid #e8eddf;margin-top:19px;padding-top:17px;display:flex;flex-direction:column;gap:15px}.preset-label{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12px;color:#7f8d73}.select-wrap{position:relative;display:flex;align-items:center;min-width:0}.select-wrap select{appearance:none;padding:8px 24px 8px 9px;border:1px solid #e3e9d8;background:#f8faf3;border-radius:6px;font-size:12px;color:#5f764d;max-width:148px;cursor:pointer}.select-wrap svg{position:absolute;right:6px;pointer-events:none;color:#899978}.toggle-row{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:#718464;padding:0;text-align:left;min-height:22px}.switch{position:relative;height:18px;width:32px;border-radius:20px;background:#dce4d2;flex:none}.switch:after{content:"";position:absolute;width:12px;height:12px;border-radius:50%;background:#fff;top:3px;left:3px;transition:transform .18s}.switch.on{background:#7b9765}.switch.on:after{transform:translate(14px)}.explanation-panel{grid-area:explain;background:#edf2e5;border:1px solid #dce5d2;border-radius:14px;margin-top:22px;padding:23px 26px}.explanation-header{display:flex;align-items:center;justify-content:space-between;gap:20px}.explanation-header>div:first-child{display:flex;align-items:center;gap:8px}.explanation-dot{width:7px;height:7px;border-radius:50%;background:#7f9864}.explanation-header h2{font-family:Manrope,sans-serif;font-size:20px;letter-spacing:-.5px;font-weight:650;margin:0}.depth-picker{display:flex;gap:2px;background:#e0e8d6;border-radius:7px;padding:4px}.depth-picker button{font-size:13px;padding:8px 13px;border-radius:5px;color:#758668;white-space:nowrap}.depth-picker button.active{color:#38592d;background:#fffdf7;box-shadow:0 1px 4px #3043220d}.depth-picker button:hover{color:#38592d}.explanation-body{display:flex;align-items:flex-start;gap:5%;margin-top:24px}.explanation-copy{flex:1;min-width:0;max-width:780px}.explanation-copy h3{font-size:17px;font-weight:600;line-height:1.5;letter-spacing:-.2px;margin:0 0 8px;color:#3d5c32}.explanation-copy p{font-size:16px;line-height:1.8;margin:0 0 11px;color:#6b7e5c}.explanation-copy p:last-child{margin-bottom:0}.explanation-copy .insight{display:flex;align-items:flex-start;gap:9px;font-size:14px;color:#557743;margin-top:15px}.insight svg{flex:none;margin-top:4px}.insight strong{font-weight:600}.observation{animation:appear .2s ease}.live-metrics{margin-left:auto;display:flex;gap:35px;padding-left:27px;border-left:1px solid #d6e1c9;flex:none}.live-metrics>div>span{font-size:12px;color:#829572;display:block;margin-bottom:7px}.live-metrics strong{font-family:Manrope,sans-serif;font-size:31px;font-weight:600;letter-spacing:-1.1px;white-space:nowrap;color:#4a6937;font-variant-numeric:tabular-nums}.live-metrics strong small{font:400 13px DM Sans,sans-serif;letter-spacing:0;color:#7c9367}.inline-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:#4b7138;padding:4px 0;font-weight:500}.inline-link:hover{color:#243e20}.comparison{padding-top:21px;border-top:1px solid #d7e2ca;margin-top:24px}.comparison-heading{display:flex;align-items:center;gap:9px;color:#607f47}.comparison h3{font-size:15px;margin:0;font-weight:550}.comparison-values{display:grid;grid-template-columns:1fr 1fr;gap:35px;margin-top:15px;max-width:680px}.comparison-values>div{display:grid;grid-template-columns:1fr auto;align-items:center;gap:6px}.comparison-values span{font-size:14px;color:#6f855e}.comparison-values strong{font-size:24px;font-weight:600;font-variant-numeric:tabular-nums}.comparison-values strong small{font-size:13px;font-weight:400}.comparison meter{grid-column:1/-1;width:100%;height:12px}.comparison>p{font-size:12px;color:#849774;line-height:1.6;margin:12px 0 0}.prediction{border-top:1px solid #d7e2ca;margin-top:23px;padding-top:18px}.prediction summary{font-size:14px;color:#77915f;list-style:none;cursor:pointer;display:flex;align-items:center;gap:8px;width:fit-content}.prediction summary::-webkit-details-marker{display:none}.prediction[open] summary svg{transform:rotate(180deg)}.prediction h3{font-size:17px;font-weight:550;margin:20px 0 15px}.prediction-choices{display:flex;flex-wrap:wrap;gap:9px}.prediction-choices button{display:flex;align-items:center;gap:9px;padding:10px 13px;background:#fbfdf5;border:1px solid #d5e0c8;border-radius:7px;font-size:14px;color:#6c845b}.prediction-choices button.chosen{background:#6f8c52;color:#fff;border-color:#6f8c52}.prediction p{font-size:14px;line-height:1.6;color:#6b815b;margin:15px 0 0}footer{display:flex;justify-content:space-between;gap:24px;margin:0 4%;padding:26px 0 30px;font-size:12px;color:#89967d}footer>span{display:flex;gap:9px;align-items:center}footer .inline-link{font-size:12px;color:#7b8e6c;font-weight:400}.scene-loading,.scene-error{display:flex;align-items:center;justify-content:center;flex-direction:column;height:100%;gap:17px;color:#6d856e;font-size:16px;padding:30px;text-align:center}.scene-loading svg{animation:breathe 2s ease infinite}.scene-error p{max-width:330px;font-size:16px;line-height:1.6}.scene-container:fullscreen{height:100vh;border:0;border-radius:0}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%);background:#294a3b;color:#f5f8ed;border:1px solid #5c7750;box-shadow:0 6px 30px #1e3f3926;padding:14px 18px;border-radius:10px;z-index:100;display:flex;align-items:center;gap:15px;font-size:14px;width:max-content;max-width:calc(100vw - 30px)}.toast button{color:inherit;display:grid;place-items:center;padding:3px}dialog{border:1px solid #dbe4ce;border-radius:18px;background:#fafbf7;color:var(--ink);padding:28px;width:min(480px,calc(100vw - 32px));box-shadow:0 20px 100px #18392830}dialog::backdrop{background:#1f3d346b;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.modal-head h2{font-family:Manrope,sans-serif;font-size:25px;line-height:1.3;letter-spacing:-.9px;margin:0}.modal-head button{flex:none}dialog p{font-size:16px;line-height:1.7;color:#6b7c5f;margin:18px 0}.modal-actions{display:flex;flex-direction:column;gap:10px;margin-top:25px}.modal-actions .text-button{margin-top:9px}.help-list{list-style:none;padding:0;margin:24px 0;display:flex;flex-direction:column;gap:19px}.help-list li{font-size:15px;color:#738568;line-height:1.6;display:flex;align-items:center;gap:13px}.help-list svg{width:20px;flex:none}.secondary-button,.primary-action{display:flex;align-items:center;justify-content:center;gap:8px;padding:13px 17px;border-radius:7px;font-size:14px;font-weight:500;border:1px solid #d7dfca;width:100%}.secondary-button{background:#fff;color:#60764f}.secondary-button:hover{background:#edf1e1}.primary-action{background:var(--green);color:#edf4e4;border-color:var(--green);justify-content:space-between}.primary-action:hover{background:#365f46}.format-options{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:24px 0}.format-options button{border:1px solid #dce4ce;display:flex;flex-direction:column;align-items:center;gap:10px;padding:18px;border-radius:9px;font-size:14px;background:#fffdf7}.format-options button.active{background:#ecf2dc;border-color:#9eb582}.format-options small{color:#839372;font-size:12px}.format-box{display:block;border:2px solid #8fa575;border-radius:4px;height:35px;width:62px;margin:14px 0}.format-box.portrait{height:63px;width:35px;margin:0}.export-note{font-size:13px!important}progress{width:100%;accent-color:#718e51}.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}@keyframes appear{0%{opacity:.7;transform:translateY(3px)}to{opacity:1;transform:none}}@keyframes breathe{50%{opacity:.4}}@media(min-width:1400px){.workspace{grid-template-columns:minmax(0,1fr) 360px;gap:0 24px}.scene-container{height:530px;min-height:530px}.control-panel{padding:26px}.sliders{gap:26px}.range-heading>span:first-child{max-width:180px}.page-heading{padding:32px 0}.live-metrics{gap:42px}.action-bar{padding:17px 20px}.brake-button{min-width:290px}.range-explanation{font-size:13px}.panel-heading p{font-size:14px}}@media(max-width:1100px){.site-header{gap:18px}.header-section{display:none}.header-actions{gap:17px}.workspace{grid-template-columns:minmax(0,1fr) 310px;gap:0 17px}.scene-container{height:530px;min-height:530px}.control-panel{padding:20px}.range-heading>span:first-child{max-width:155px}.range-heading{font-size:13px}.panel-heading{gap:8px}.panel-heading p{font-size:12px}.brake-button{min-width:0;flex:1;padding:12px;gap:10px}.brake-button>span{font-size:16px}.brake-button>svg:last-child{display:none}.brake-button small{font-size:11px}.playback{gap:6px}.time{display:none}.reset-button{padding-left:9px}.reset-button>span{display:none}.scene-bottom .orbit-hint{max-width:220px;line-height:1.5}.road-label{font-size:11px}.speed-legend{gap:9px;font-size:11px}.scene-instruction{font-size:11px}.explanation-body{gap:25px}.live-metrics{gap:22px;padding-left:22px}.live-metrics strong{font-size:27px}.explanation-copy p{font-size:15px}.preset-label{flex-direction:column;align-items:flex-start;gap:8px}.select-wrap,.select-wrap select{width:100%;max-width:none}.secondary-controls{gap:13px}.range-explanation{font-size:12px}}@media(max-width:850px){.site-header{min-height:72px;gap:10px}.brand{font-size:16px}.header-actions{gap:18px}.header-actions .text-button span{display:none}.header-actions .text-button{width:30px;height:36px}.header-actions .text-button{position:relative}.header-actions .text-button span{display:block;position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.page-heading{padding:25px 0}.page-heading h1{font-size:32px;letter-spacing:-1px}.question-mark{display:none}.page-heading p{font-size:15px}.workspace{grid-template-columns:minmax(0,1fr);grid-template-areas:"scene" "actions" "controls" "explain"}.road-workbench{display:contents}.scene-container{height:430px;min-height:0}.action-bar{padding:13px 16px}.brake-button{flex:none;min-width:275px;gap:15px;padding:13px 17px}.brake-button>span{font-size:17px}.brake-button small{font-size:12px}.brake-button>svg:last-child{display:block}.playback{gap:11px}.reset-button>span,.time{display:block}.reset-button{padding-left:13px}.control-panel{margin-top:18px;padding:23px}.panel-heading{padding:0;border:0}.panel-heading p{font-size:14px}.sliders{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;padding-top:25px}.range-heading{display:block;font-size:14px}.range-heading>span:first-child{display:block;min-height:42px;max-width:none}.range-value{margin-top:10px;font-size:22px}.range-explanation{font-size:13px}.range-ends{font-size:11px}.secondary-controls{display:grid;grid-template-columns:1.2fr 1fr 1.2fr;gap:20px;align-items:center}.preset-label{font-size:12px}.toggle-row{font-size:13px;gap:10px;line-height:1.5}.explanation-header{gap:16px}.depth-picker button{font-size:12px;padding:8px 10px}.explanation-panel{padding:22px}.explanation-body{flex-direction:column;gap:20px}.live-metrics{border-left:0;border-top:1px solid #d7e2ca;padding:17px 0 0;margin:0;width:100%;gap:40px}.live-metrics>div{display:flex;align-items:baseline;gap:15px}.live-metrics>div>span{font-size:13px;margin:0}.live-metrics strong{font-size:26px}.explanation-copy{max-width:none}.explanation-copy p{font-size:16px}.scene-bottom .orbit-hint{max-width:none}.speed-legend,.scene-instruction,.road-label{font-size:12px}}@media(max-width:600px){.site-header{margin:0 5%;min-height:68px;gap:10px}.brand{font-size:15px;gap:8px;letter-spacing:-.5px}.brand-mark{width:30px;height:30px}.brand-mark svg{width:24px}.header-actions{gap:8px}.header-actions .text-button{width:29px}.header-actions .text-button svg{width:17px}main{margin:0 4%}.page-heading{padding:24px 1% 20px}.page-heading .eyebrow{font-size:11px;letter-spacing:1px}.page-heading h1{font-size:30px;max-width:330px;line-height:1.17;margin:11px 0 13px;letter-spacing:-1px}.page-heading p{font-size:14px;max-width:350px;line-height:1.7}.page-heading strong{display:block}.workspace{position:relative}.scene-container{height:320px;position:sticky;top:0;z-index:5;border-radius:12px 12px 0 0}.scene-top{top:10px;left:12px;right:11px}.scene-label{font-size:10px}.scene-round{width:29px;height:29px}.view-controls{left:10px;top:48px;padding:3px}.view-controls button{font-size:12px;padding:7px 8px;gap:5px}.view-controls svg{width:13px}.scene-bottom{bottom:10px;left:12px;right:12px;gap:10px}.scene-bottom .orbit-hint{font-size:10px;max-width:195px;line-height:1.6}.orbit-hint svg{display:none}.road-label{font-size:10px}.scene-instruction{font-size:10px;left:12px;bottom:46px;padding:6px 8px;gap:5px}.speed-legend{right:12px;bottom:45px;gap:7px;font-size:10px;padding:7px}.speed-legend i{width:6px;height:6px}.car-detail{left:12px;top:103px;padding:10px 12px}.car-detail>span{font-size:10px}.car-detail strong{font-size:24px}.car-detail strong small{font-size:12px}.car-detail p{font-size:11px}.car-detail button{font-size:12px}.action-bar{position:sticky;top:320px;z-index:5;padding:10px;gap:9px;border-radius:0 0 12px 12px;box-shadow:0 5px 8px #314b2307}.brake-button{flex:1;min-width:0;gap:9px;padding:10px 12px}.brake-button>span{font-size:15px}.brake-button small{font-size:10px;line-height:1.4}.brake-button>svg:first-child{width:19px}.brake-button>svg:last-child{display:none}.playback{gap:5px}.playback>.icon-button{width:31px;height:34px}.playback-speed select{font-size:12px;padding:7px 0}.reset-button{padding:8px 0 8px 6px;margin:0}.reset-button>span,.time{display:none}.control-panel{padding:20px;margin-top:17px;border-radius:12px}.panel-heading{gap:11px}.panel-heading h2{font-size:25px}.panel-heading p{font-size:13px}.sliders{display:flex;gap:27px;padding-top:28px}.range-heading{display:flex;font-size:14px;gap:12px}.range-heading>span:first-child{max-width:185px;min-height:0;display:inline}.range-value{margin-top:0;display:inline-flex;font-size:20px}.range-value small{font-size:12px}.range-control input{margin-top:21px;margin-bottom:15px}.range-control input::-webkit-slider-thumb{height:23px;width:23px}.range-control input::-moz-range-thumb{height:15px;width:15px}.range-ends{font-size:12px}.range-explanation{font-size:13px}.settings-note{font-size:12px;line-height:1.6;margin-top:22px}.secondary-controls{display:flex;gap:19px;padding-top:20px;margin-top:20px}.preset-label{flex-direction:row;align-items:center;gap:12px;width:100%;font-size:12px}.select-wrap{width:auto;max-width:160px}.select-wrap select{font-size:12px}.toggle-row{width:100%;font-size:14px;min-height:25px}.explanation-panel{padding:22px 20px;margin-top:17px;scroll-margin-top:410px}.explanation-header{display:block}.explanation-header h2{font-size:22px}.depth-picker{margin-top:18px;display:flex;justify-content:space-between}.depth-picker button{font-size:12px;padding:9px 6px;flex:1}.explanation-body{margin-top:21px;gap:23px}.explanation-copy h3{font-size:17px}.explanation-copy p{font-size:15px;line-height:1.8}.explanation-copy .insight{font-size:14px;line-height:1.8}.live-metrics{gap:25px;justify-content:space-between}.live-metrics>div{display:block}.live-metrics>div>span{font-size:12px;margin-bottom:5px}.live-metrics strong{font-size:27px}.live-metrics strong small{font-size:12px}.comparison-values{gap:20px;grid-template-columns:1fr}.comparison-values>div{gap:8px}.comparison-values span{font-size:13px}.comparison-heading h3{font-size:14px}.comparison>p{font-size:12px;line-height:1.7}.prediction summary{font-size:14px}.prediction h3{font-size:16px;line-height:1.6}.prediction-choices{flex-direction:column}.prediction-choices button{font-size:13px;justify-content:space-between}.prediction p{font-size:14px;line-height:1.7}footer{margin:0 5%;padding:25px 0;gap:20px;font-size:11px;align-items:flex-start}footer>span{max-width:210px;line-height:1.7;align-items:flex-start}footer>span svg{flex:none;margin-top:3px}footer .inline-link{font-size:11px;white-space:nowrap;padding:0}dialog{padding:23px}.modal-head h2{font-size:24px}.scene-container:fullscreen{height:100dvh;position:fixed}.toast{font-size:13px;bottom:15px}.sr-only{scroll-margin-top:0}}@media(max-width:370px){.brand{font-size:13px;gap:6px}.header-actions{gap:2px}.page-heading h1{font-size:28px}.scene-instruction{bottom:71px}.speed-legend{bottom:42px}.scene-bottom .orbit-hint{max-width:145px}.view-controls button{font-size:11px;padding:7px}.range-heading>span:first-child{max-width:155px}.range-heading{font-size:13px}.depth-picker button{font-size:11px}.select-wrap{max-width:136px}}@media(max-height:700px)and (max-width:600px){.scene-container{height:260px}.action-bar{top:260px}.explanation-panel{scroll-margin-top:345px}.scene-instruction{bottom:68px}.speed-legend{bottom:41px}}@media(prefers-reduced-motion:reduce){*{animation:none!important;scroll-behavior:auto!important;transition:none!important}}@media(pointer:coarse){.view-controls button,.toggle-row,.reset-button{min-height:40px}.range-control input{height:6px}.text-button,.scene-round{min-height:40px;min-width:35px}}.unit-picker{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:20px;color:#64765b;font-size:14px}.unit-picker>div{display:flex;gap:3px;border-radius:8px;background:#eff3e9;padding:3px}.unit-picker button{padding:7px 14px;border-radius:6px;font-size:14px;color:#738368;line-height:1.4}.unit-picker button small{display:block;font-size:12px;font-weight:400;color:#788772}.unit-picker button.active{background:#fff;color:#2d5437;box-shadow:0 1px 5px #344c2414}.unit-picker button.active small{color:#4e6a48}.ripple-discovery{margin-top:24px;padding:24px 26px;border:1px solid #c7d8b6;border-radius:11px;background:linear-gradient(115deg,#fbfff3,#e5efd9);animation:appear .3s ease}.discovery-heading{display:flex;gap:13px;align-items:center;margin-bottom:17px}.discovery-icon{display:grid;place-items:center;width:45px;height:45px;flex:none;border-radius:50%;background:#d4e5bd;color:#3b693f}.discovery-heading .eyebrow{font-size:12px;letter-spacing:1.1px;color:#748957}.discovery-heading h3{font:650 26px Manrope,sans-serif;letter-spacing:-.7px;color:#315631;margin:5px 0 0}.ripple-discovery p{font-size:16px;line-height:1.8;color:#5c7550;margin:0;max-width:900px}.ripple-discovery p strong{font-weight:600;color:#3e6337}.wave-directions{display:flex;gap:30px;flex-wrap:wrap;padding:17px 0;margin:17px 0;border-top:1px solid #d2e0c3;border-bottom:1px solid #d2e0c3}.wave-directions span{display:flex;align-items:center;gap:11px;font-size:16px;font-weight:500;color:#436d46}.wave-directions span:last-child{color:#946323}.ripple-discovery .discovery-analogy{font-size:14px;color:#738663}.ripple-discovery .inline-link{margin-top:14px}.causal-steps{display:flex;flex-direction:column;gap:12px;padding-left:22px;font-size:16px;line-height:1.75;color:#667f58;margin:16px 0}.causal-steps li{padding-left:6px}.causal-steps li::marker{font-weight:650;color:#5d7b43}.causal-steps strong{color:#466a3a;font-weight:600}.headway-example{padding:17px 19px;border-radius:8px;background:#ffffff87;margin:18px 0 12px;border:1px solid #d5e0c8}.headway-example .eyebrow{font-size:12px;letter-spacing:.8px}.headway-example p{font-size:16px;margin:9px 0!important}.headway-example small{font-size:14px;line-height:1.75;color:#6f825f;display:block}.science-explanation details{border-top:1px solid #cfddc1;margin-top:15px;padding-top:15px}.science-explanation summary{list-style:none;font-size:16px;font-weight:550;line-height:1.65;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;color:#426534}.science-explanation summary::-webkit-details-marker{display:none}.science-explanation summary svg{flex:none}.science-explanation details[open]>summary{margin-bottom:14px}.science-explanation details[open]>summary svg{transform:rotate(180deg)}.science-terms{margin:0;display:flex;flex-direction:column;gap:16px}.science-terms dt{font-size:16px;font-weight:600;color:#486638;line-height:1.6}.science-terms dd{margin:3px 0 0;font-size:16px;line-height:1.75;color:#6a8059}.science-equation{padding:14px 17px;margin:14px 0;border-radius:7px;background:#ffffff8c;color:#3d6232;font-size:16px;line-height:1.7;overflow-wrap:anywhere;border:1px solid #d6e1cd}.source-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:#446d35;line-height:1.65;margin-top:14px;text-decoration:underline;text-underline-offset:3px}.source-link:hover{color:#254c24}.source-link svg{flex:none}@media(max-width:850px){.unit-picker{justify-content:flex-start;gap:20px;margin-top:20px}.ripple-discovery{padding:22px}.explanation-header{align-items:flex-start}.depth-picker button{font-size:12px;padding:8px}.wave-directions{gap:14px 28px}}@media(max-width:600px){.unit-picker{justify-content:space-between;gap:10px}.unit-picker button{padding:7px 13px}.ripple-discovery{padding:19px 17px;margin-top:23px}.discovery-heading{gap:10px}.discovery-icon{width:37px;height:37px}.discovery-heading .eyebrow{font-size:12px;letter-spacing:.5px}.discovery-heading h3{font-size:24px}.ripple-discovery p,.causal-steps,.science-explanation p,.science-terms dt,.science-terms dd{font-size:16px;line-height:1.75}.wave-directions{flex-direction:column;gap:13px}.wave-directions span{font-size:14px;gap:8px}.wave-directions svg{width:18px}.headway-example{padding:15px}.science-explanation summary{font-size:16px}.depth-picker button{font-size:12px;padding:9px 6px}}