.classroom-hero{background:#f5f2e9;border-bottom:1px solid #dfdfd3;padding:58px 0 42px;overflow:hidden}
.classroom-intro{display:grid;grid-template-columns:1.12fr 1fr;gap:52px;align-items:center}
.classroom-hero h1{font-size:clamp(36px,4.1vw,56px);max-width:650px;color:#233e32}
.classroom-hero .lead{font-size:20px;line-height:1.55;color:#465649;max-width:590px}
.classroom-hero .eyebrow{color:#75602b}
.classroom-hero .actions{margin-top:26px}
.classroom-hero .button{background:#285b4b;color:#fff}
.classroom-hero .button:hover{background:#194634}
.classroom-hero .text-link{font-size:15px}
.animal-notes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;align-items:center;padding:18px 0}
.animal-note{background:#fff;padding:9px 9px 16px;box-shadow:0 8px 24px #293a2420;transform:rotate(-5deg);margin:0;min-width:0}
.animal-note:nth-child(2){transform:translateY(18px) rotate(4deg)}
.animal-note:nth-child(3){transform:translateY(-12px) rotate(-2deg)}
.animal-note img{width:100%;aspect-ratio:1/1.15;object-fit:cover}
.animal-note figcaption{text-align:center;color:#2e4b3b;font-size:15px;line-height:1.35;padding-top:13px}
.animal-note strong{display:block;font-size:20px;margin-bottom:4px}
.guide-facts{display:flex;flex-wrap:wrap;gap:10px 27px;list-style:none;padding:25px 0 0;margin:28px 0 0;border-top:1px solid #d9dccf;font-size:14px;color:#3d5141}
.guide-facts strong{color:#223b2c}
.guide-nav{padding:18px 0;border-bottom:1px solid var(--line);background:#fff}
.guide-nav .wrap{display:flex;flex-wrap:wrap;gap:12px 25px;font-size:14px;font-weight:700}
.guide-summary{display:grid;grid-template-columns:1.4fr 1fr;gap:50px;align-items:start}
.guide-summary h2{font-size:34px;max-width:590px}
.setup-note{padding:25px 27px;background:#f5f2e9;border-left:4px solid #d5a42a}
.setup-note h3{font-size:20px}.setup-note p{font-size:15px}.setup-note p:last-child{margin-bottom:0}
.guide-outcomes{padding-left:22px;margin-bottom:0}.guide-outcomes li{padding:5px 0}
.activity-plan{list-style:none;padding:0;margin:32px 0 0;counter-reset:activity}
.activity-plan>li{counter-increment:activity;display:grid;grid-template-columns:110px 1fr;gap:30px;border-top:1px solid var(--line);padding:29px 0}
.activity-plan>li:last-child{padding-bottom:0}
.plan-marker{font-size:13px;color:#546456;padding-top:2px}
.plan-marker:before{content:"0" counter(activity);display:block;color:#285b4b;font-size:38px;font-weight:700;line-height:1.1;margin-bottom:10px}
.activity-plan h3{font-size:24px}.activity-plan p{max-width:800px;margin-bottom:12px}
.prompt{font-size:16px;padding:16px 20px;background:#f6f3e9;border-left:3px solid #d5a42a;margin:16px 0 0;max-width:800px}
.prompt strong{color:#3b4a37}.activity-plan .button{margin-top:10px}
.worksheet-banner{display:grid;grid-template-columns:1fr auto;align-items:center;gap:35px;padding:30px 34px;background:#e8f0e9;border:1px solid #cbdacb;margin-top:36px}
.worksheet-banner h3{font-size:24px}.worksheet-banner p{margin-bottom:0;max-width:620px;color:#455747}.worksheet-banner .button{white-space:nowrap}
.group-options{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin-top:30px}
.group-option{border-top:3px solid #d9b354;padding-top:22px}.group-option p{color:var(--muted)}
.group-option h3{font-size:22px}.group-option a{font-weight:700;font-size:15px}
.share-panel{padding:34px;background:#f7f4ec;border:1px solid #e1dece;margin-top:35px}
.share-panel h3{font-size:23px}.share-link{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.share-url{color:#284d3c;font-size:16px;overflow-wrap:anywhere;flex:1;min-width:0}
button.button{border:0;cursor:pointer;font-family:inherit}
.secondary-button{background:#fff!important;color:#285b4b!important;border:1px solid #285b4b!important;box-shadow:none!important}
.status-message{font-size:14px;color:#285b4b;margin:12px 0 0;min-height:23px}
.facilitator-notes{padding-left:23px}.facilitator-notes li{padding:7px 0}.facilitator-notes p{margin-bottom:0}
.worksheet-page{background:#f2f4ef}.worksheet-toolbar{background:#fff;padding:16px 24px;border-bottom:1px solid #d0dbd1;display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap}
.worksheet-toolbar p{margin:0;font-size:14px}.worksheet-toolbar .button{font-size:14px;padding:10px 20px;min-height:44px}
.worksheet-sheet{width:min(790px,calc(100% - 32px));margin:30px auto;background:#fff;padding:38px 46px;border:1px solid #d6ddd6;box-shadow:0 5px 25px #223b2910}
.worksheet-sheet .worksheet-kicker{font-size:12px;letter-spacing:1px;text-transform:uppercase;color:#49624f;font-weight:700;margin-bottom:8px}
.worksheet-sheet h1{font-size:32px;line-height:1.2;margin-bottom:10px;color:#284b39}.worksheet-sheet .worksheet-intro{font-size:14px;line-height:1.5}
.worksheet-details{display:flex;gap:25px;flex-wrap:wrap;font-size:14px;margin:20px 0 28px;padding-bottom:18px;border-bottom:2px solid #355d45}
.worksheet-question{margin-bottom:23px;break-inside:avoid}.worksheet-question h2{font-size:17px;line-height:1.35;margin-bottom:6px}.worksheet-question p{font-size:13px;line-height:1.45;margin-bottom:7px}
.answer-lines{height:55px;background:repeating-linear-gradient(to bottom,transparent 0,transparent 26px,#ccd4cc 26px,#ccd4cc 27px)}
.worksheet-end{border-top:1px solid #ccd4cc;padding-top:14px;margin-top:24px;font-size:12px;line-height:1.5;color:#4c6050}.worksheet-end p{margin-bottom:7px}
@media(max-width:1000px){.classroom-intro{gap:30px;grid-template-columns:1.15fr 1fr}.animal-notes{gap:8px}.animal-note{padding:6px 6px 13px}.animal-note strong{font-size:18px}.animal-note figcaption{font-size:13px}.classroom-hero h1{font-size:43px}.guide-summary{gap:30px}}
@media(max-width:800px){.classroom-hero{padding:34px 0 28px}.classroom-intro{grid-template-columns:1fr;gap:14px}.classroom-hero h1{font-size:38px;max-width:650px}.classroom-hero .lead{font-size:18px}.animal-notes{max-width:540px;width:100%;margin:0 auto;padding:24px 8px 12px;gap:14px}.animal-note img{aspect-ratio:1.15/1}.animal-note strong{font-size:18px}.animal-note figcaption{font-size:13px}.guide-facts{margin-top:22px;padding-top:20px;gap:8px 22px}.guide-summary{grid-template-columns:1fr;gap:25px}.guide-summary h2{font-size:29px}.worksheet-banner{grid-template-columns:1fr;gap:20px;padding:25px}.worksheet-banner .button{justify-self:start}.group-options{grid-template-columns:1fr;gap:20px}.activity-plan>li{grid-template-columns:65px 1fr;gap:18px}.activity-plan h3{font-size:22px}.share-panel{padding:24px}}
@media(max-width:450px){.classroom-hero h1{font-size:35px}.classroom-hero .actions{display:grid;justify-items:start;gap:18px}.classroom-hero .button{width:100%}.animal-notes{gap:9px}.animal-note figcaption{font-size:11px}.animal-note strong{font-size:16px}.activity-plan>li{grid-template-columns:1fr;gap:12px}.plan-marker{display:flex;gap:12px;align-items:center}.plan-marker:before{font-size:27px;margin:0}.worksheet-banner .button{width:100%;white-space:normal}.worksheet-sheet{padding:25px 22px}.worksheet-sheet h1{font-size:27px}.worksheet-toolbar{padding:14px 16px}.guide-nav .wrap{gap:10px 18px}}
@page{size:auto;margin:14mm}
@media print{*{box-shadow:none!important}html,body{background:#fff!important;color:#000!important;font-size:10pt!important}.site-header,.guide-nav,.site-footer,.final-cta,.actions,.worksheet-toolbar,.share-panel,.animal-notes,.worksheet-banner .button,.no-print{display:none!important}.wrap{width:100%;max-width:none}.classroom-hero{padding:0 0 12px;background:#fff!important}.classroom-intro,.guide-summary,.group-options{display:block}.classroom-hero h1{font-size:26pt;max-width:none}.classroom-hero .lead{font-size:12pt}.guide-facts{padding-top:10px;margin-top:12px}.section{padding:20px 0}.soft,.setup-note,.prompt,.worksheet-banner{background:#fff!important}.activity-plan>li{padding:17px 0;break-inside:avoid}.activity-plan h3{font-size:15pt}.worksheet-banner{padding:18px;margin-top:20px;break-inside:avoid}.group-option{padding-top:12px;margin-bottom:18px}.setup-note{margin-top:18px;padding:16px}.classroom-hero .eyebrow,.eyebrow{color:#222!important}a{color:#000!important}.worksheet-sheet{width:100%;padding:0;margin:0;border:0}.worksheet-sheet h1{font-size:23pt}.worksheet-sheet .worksheet-intro{font-size:10pt}.worksheet-details{margin:14px 0 20px;font-size:10pt}.worksheet-question{margin-bottom:17px}.worksheet-question h2{font-size:12pt}.worksheet-question p{font-size:9.5pt}.answer-lines{background:none!important;height:43px;border-bottom:1px solid #aaa}.worksheet-end{font-size:8.5pt;margin-top:17px;padding-top:10px}}

/* Teacher edition: a reading-first lesson guide with photographs from AIY. */
.teacher-guide{background:#fffdf8;color:#2c302a;font-size:17px}
.teacher-guide h1,.teacher-guide h2{font-family:Georgia,'Times New Roman',serif;font-weight:400;text-wrap:pretty;letter-spacing:-.025em}
.teacher-guide h3{font-weight:700;text-wrap:pretty}
.teacher-guide .eyebrow{font-size:14px;line-height:1.5;font-weight:600;letter-spacing:0;text-transform:none;color:#54634a}
.teacher-guide .classroom-hero{padding:56px 0 30px;background:#f7f3e8;border-bottom:1px solid #e5dfd0}
.teacher-guide .classroom-intro{grid-template-columns:1.16fr 1fr;gap:58px}
.teacher-guide .classroom-hero h1{font-size:clamp(38px,4.2vw,58px);line-height:1.08;color:#2b412d;margin-bottom:22px;max-width:600px}
.teacher-guide .classroom-hero .lead{font-size:21px;line-height:1.5;color:#343d31;margin-bottom:14px;max-width:530px}
.hero-detail{font-size:17px;line-height:1.65;max-width:530px;color:#505548}
.teacher-guide .button{border-radius:5px;box-shadow:none;min-height:50px;padding:13px 21px}
.teacher-guide .classroom-hero .button{border-color:#285b4b}
.classroom-photo{margin:0;min-width:0;align-self:center}
.classroom-photo img{width:100%;height:auto;aspect-ratio:760/569;object-fit:cover;border-radius:3px}
.classroom-photo figcaption{font:italic 15px/1.5 Georgia,serif;margin-top:11px;color:#615f50}
.teacher-guide .guide-facts{gap:8px 25px;font-size:13px;margin-top:32px;padding-top:21px}
.teacher-guide .guide-nav{background:#fffdf8;padding:16px 0}
.teacher-guide .guide-nav .wrap{gap:10px 24px;font-size:13px;font-weight:400}
.teacher-guide .section{padding:54px 0}
.teacher-guide .section.soft{background:#f4f3ec}
.teacher-guide .guide-summary{grid-template-columns:1.35fr 1fr;gap:60px}
.teacher-guide .guide-summary h2{font-size:34px;line-height:1.2}
.teacher-guide .setup-note{background:#eeefe4;border-left:3px solid #778669;padding:24px 26px}
.teacher-guide .classroom-gallery{padding-top:4px}
.classroom-gallery h2{font-size:36px;margin-bottom:12px}
.classroom-gallery> .wrap>p{max-width:770px;color:#555c50}
.classroom-animal-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:20px;margin-top:28px}
.classroom-animal-grid figure{margin:0;min-width:0}
.classroom-animal-grid a{display:block;text-decoration:none;color:inherit}
.classroom-animal-grid a:hover strong{text-decoration:underline}
.classroom-animal-grid img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:3px}
.classroom-animal-grid figcaption{padding-top:10px;line-height:1.4}
.classroom-animal-grid strong{font:22px/1.25 Georgia,serif;display:block;color:#30482e;margin-bottom:5px}
.classroom-animal-grid span{font-size:13px;color:#5a6154;display:block}
.teacher-guide .activity-plan{margin-top:26px}
.teacher-guide .activity-plan>li{grid-template-columns:85px 1fr;gap:30px;padding:28px 0}
.teacher-guide .plan-marker:before{content:counter(activity) '.';font:32px/1 Georgia,serif;color:#52694b;margin-bottom:9px}
.teacher-guide .activity-plan h3{font-size:22px}
.teacher-guide .prompt{background:transparent;border-left:2px solid #a9b39a;padding:5px 0 5px 18px;font-size:16px;color:#4f5849}
.teacher-guide .worksheet-banner{background:#e9eddf;border:0;border-top:1px solid #bec7ad;border-bottom:1px solid #bec7ad;padding:25px 29px}
.teacher-guide .worksheet-banner h3{font-size:22px}
.compatibility-layout{display:grid;grid-template-columns:1fr 1.08fr;gap:58px;align-items:center}
.compatibility-layout h2{font-size:38px;line-height:1.15}
.compatibility-photos{display:grid;grid-template-columns:1fr 1fr;gap:18px;position:relative}
.compatibility-photos figure{margin:0;min-width:0}
.compatibility-photos figure:last-child{margin-top:58px}
.compatibility-photos img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:3px}
.compatibility-photos figcaption{font:23px/1.3 Georgia,serif;margin-top:10px;color:#365032}
.pair-amp{position:absolute;top:43%;left:50%;transform:translate(-50%,-50%);background:#fffdf8;padding:3px 9px;color:#52694b;font:italic 30px/1.2 Georgia,serif}
.compatibility-note{font-size:13px;color:#68705f;margin:15px 0 0;max-width:490px}
.teacher-guide #make-it-yours{padding-top:12px}
.teacher-guide .group-options{gap:34px}
.teacher-guide .group-option{border-top:1px solid #b3bba5;padding-top:19px}
.teacher-guide .group-option h3{font-size:20px}
.teacher-guide .group-option p{font-size:16px}
.teacher-guide .share-panel{background:#f0f0e5;border:0;padding:28px;margin-top:0}
.teacher-guide .share-panel h3{font-size:20px}
.teacher-guide .final-inner h2{font-size:36px}
@media(max-width:1000px){.teacher-guide .classroom-intro{gap:32px}.teacher-guide .classroom-hero h1{font-size:46px}.classroom-animal-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:26px 20px}.compatibility-layout{gap:34px}.compatibility-layout h2{font-size:33px}}
@media(max-width:800px){.teacher-guide .classroom-hero{padding:32px 0 25px}.teacher-guide .classroom-intro{grid-template-columns:1fr;gap:25px}.teacher-guide .classroom-hero h1{font-size:43px;max-width:640px}.teacher-guide .classroom-hero .lead{font-size:20px}.teacher-guide .classroom-hero .hero-detail{max-width:620px}.classroom-photo{max-width:560px}.teacher-guide .guide-facts{margin-top:24px}.teacher-guide .guide-summary{grid-template-columns:1fr;gap:28px}.teacher-guide .guide-summary h2{font-size:31px}.teacher-guide .section{padding:40px 0}.teacher-guide .classroom-gallery{padding-top:0}.compatibility-layout{grid-template-columns:1fr;gap:25px}.compatibility-photos{max-width:520px;order:2}.compatibility-photos img{aspect-ratio:4/3}.compatibility-photos figure:last-child{margin-top:25px}.compatibility-layout h2{font-size:34px}.teacher-guide .activity-plan>li{grid-template-columns:65px 1fr;gap:18px}.teacher-guide #make-it-yours{padding-top:20px}.teacher-guide .group-options{gap:24px}}
@media(max-width:450px){.teacher-guide .classroom-hero h1{font-size:38px}.teacher-guide .classroom-hero .lead{font-size:19px}.hero-detail{font-size:16px}.teacher-guide .classroom-hero .actions{display:flex;align-items:flex-start;gap:17px;margin-top:23px}.teacher-guide .classroom-hero .button{width:auto}.classroom-photo figcaption{font-size:14px}.teacher-guide .guide-facts{gap:9px 20px;font-size:12px}.classroom-animal-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 16px}.classroom-animal-grid strong{font-size:21px}.classroom-animal-grid span{font-size:13px}.classroom-gallery h2{font-size:32px}.teacher-guide .guide-nav .wrap{gap:9px 18px}.teacher-guide .activity-plan>li{grid-template-columns:1fr;gap:9px}.teacher-guide .plan-marker{display:flex;align-items:center;gap:10px}.teacher-guide .plan-marker:before{margin:0;font-size:25px}.teacher-guide .activity-plan h3{font-size:22px}.teacher-guide .worksheet-banner{padding:23px}.teacher-guide .share-panel{padding:23px}.compatibility-layout .button{white-space:normal}.compatibility-layout h2{font-size:31px}}
@media print{.classroom-photo,.classroom-gallery,.compatibility-photos,.compatibility-lesson .button{display:none!important}.teacher-guide{background:#fff;font-size:10pt}.teacher-guide .classroom-intro,.teacher-guide .guide-summary,.compatibility-layout{display:block}.teacher-guide .classroom-hero{padding:0 0 12px}.teacher-guide .classroom-hero h1{font-size:25pt}.teacher-guide .section{padding:16px 0}.teacher-guide .activity-plan>li{padding:15px 0}.teacher-guide .classroom-hero .lead,.teacher-guide .hero-detail{font-size:11pt}.teacher-guide h2,.compatibility-layout h2{font-size:20pt}.teacher-guide .guide-facts{margin-top:10px;padding-top:10px}}