/* Life in the Tech Lab: shared stylesheet
   Change the colors here once and every page updates. */

@font-face{font-family:'Baloo 2';font-weight:600;font-style:normal;font-display:swap;src:url('../fonts/baloo-2-latin-600-normal.woff2') format('woff2')}
@font-face{font-family:'Baloo 2';font-weight:700;font-style:normal;font-display:swap;src:url('../fonts/baloo-2-latin-700-normal.woff2') format('woff2')}
@font-face{font-family:'Baloo 2';font-weight:800;font-style:normal;font-display:swap;src:url('../fonts/baloo-2-latin-800-normal.woff2') format('woff2')}
@font-face{font-family:'Work Sans';font-weight:400;font-style:normal;font-display:swap;src:url('../fonts/work-sans-latin-400-normal.woff2') format('woff2')}
@font-face{font-family:'Work Sans';font-weight:500;font-style:normal;font-display:swap;src:url('../fonts/work-sans-latin-500-normal.woff2') format('woff2')}
@font-face{font-family:'Work Sans';font-weight:600;font-style:normal;font-display:swap;src:url('../fonts/work-sans-latin-600-normal.woff2') format('woff2')}
@font-face{font-family:'Work Sans';font-weight:700;font-style:normal;font-display:swap;src:url('../fonts/work-sans-latin-700-normal.woff2') format('woff2')}

:root{
  --blue:#1B66E0;
  --orange:#FF8A1F;
  --navy:#0B2A5B;
  --ink-soft:#3B4F78;
  --link:#1A5FD0;
  --accent-text:#B84A00;
  --sun:#FFD23F;
  --sky:#7CC4FF;
  --mint:#8FDDA8;
  --cream:#FFF4E5;
  --mist:#EAF2FF;
  --line:#D9E6FA;
  --chip-line:#BBD3F5;
  --pad-x:clamp(20px,5vw,64px);
  --max:1440px;
  --display:'Baloo 2','Work Sans',system-ui,sans-serif;
  --body:'Work Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:#fff;color:var(--navy);font-family:var(--body);font-size:16px;line-height:1.5}
h1,h2,h3{font-family:var(--display);font-weight:700;margin:0;text-wrap:balance}
p{margin:0}
a{color:var(--link);text-decoration:none}
a:hover{color:var(--navy);text-decoration:underline}
:focus-visible{outline:3px solid var(--navy);outline-offset:3px;border-radius:6px}
.site-footer :focus-visible,.hero :focus-visible,.hub :focus-visible{outline-color:#fff}
img,svg{max-width:100%}

.skip-link{position:absolute;left:-999px;top:8px;background:var(--navy);color:#fff;padding:12px 18px;border-radius:10px;z-index:100}
.skip-link:focus{left:12px;color:#fff}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 26px;border-radius:999px;font-family:var(--body);font-weight:700;font-size:16px;border:0;cursor:pointer;text-decoration:none;line-height:1}
.btn:hover{text-decoration:none}
.btn-orange{background:var(--orange);color:var(--navy)}
.btn-orange:hover{background:#ffa04a;color:var(--navy)}
.btn-lg{min-height:56px;padding:0 32px;font-size:18px}
.btn-outline-white{border:3px solid #fff;color:#fff;background:transparent}
.btn-outline-white:hover{background:#fff;color:var(--blue)}
.btn-outline-blue{border:3px solid var(--blue);color:var(--blue);background:transparent}

/* ---------- Header ---------- */
.site-header{background:#fff;border-bottom:1px solid var(--line);position:relative;z-index:20}
.header-inner{max-width:var(--max);margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:16px var(--pad-x)}
.brand{display:flex;align-items:center;gap:12px;color:var(--navy)}
.brand:hover{text-decoration:none;color:var(--navy)}
.brand-mark{width:48px;height:48px;border-radius:14px;background:var(--blue);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-name{font-family:var(--display);font-weight:800;font-size:22px;color:var(--navy)}
.accent{color:var(--accent-text)}
.accent-light{color:#FFB46B}
.brand-tag{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft);font-weight:600}

.main-nav{display:flex;align-items:center;gap:28px}
.nav-link{display:inline-flex;align-items:center;gap:4px;color:var(--navy);font-weight:600;font-size:16px;padding:8px 0;border:0;border-bottom:3px solid transparent;background:none;cursor:pointer;font-family:var(--body);text-decoration:none}
.nav-link:hover{color:var(--blue);text-decoration:none}
.nav-link.is-current{font-weight:700;border-bottom-color:var(--orange)}
.nav-dropdown{position:relative}
.dd-menu{display:none;position:absolute;top:calc(100% + 8px);left:-12px;min-width:230px;margin:0;padding:10px;list-style:none;background:#fff;border:2px solid var(--line);border-radius:20px;box-shadow:0 12px 32px rgba(11,42,91,.14)}
.nav-dropdown.is-open .dd-menu{display:block}
.nav-dropdown.is-open .nav-dd-btn svg{transform:rotate(180deg)}
.dd-menu a{display:flex;align-items:center;gap:12px;min-height:44px;padding:4px 12px;border-radius:12px;color:var(--navy);font-weight:600}
.dd-menu a:hover{background:var(--mist);text-decoration:none}
.dd-badge{width:32px;height:32px;border-radius:10px;background:var(--blue);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-family:var(--display);font-weight:800;font-size:17px}
.menu-btn{display:none;width:48px;height:48px;border-radius:14px;border:2px solid var(--navy);background:#fff;color:var(--navy);align-items:center;justify-content:center;cursor:pointer}

@media (max-width:1000px){
  .menu-btn{display:flex}
  .main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 14px 28px rgba(11,42,91,.12);flex-direction:column;align-items:stretch;gap:0;padding:8px var(--pad-x) 20px}
  .main-nav.is-open{display:flex}
  .nav-link{min-height:48px;border-bottom:1px solid var(--line);width:100%;justify-content:space-between}
  .nav-link.is-current{border-bottom-color:var(--orange)}
  .dd-menu{position:static;display:none;box-shadow:none;border:0;padding:4px 0 8px;min-width:0}
  .nav-dropdown.is-open .dd-menu{display:block}
  .nav-cta{margin-top:14px}
}
@media (max-width:420px){.brand-tag{display:none}}

/* ---------- Layout helpers ---------- */
.section{padding:72px var(--pad-x)}
.section-inner{max-width:calc(var(--max) - 2*var(--pad-x));margin:0 auto;display:flex;flex-direction:column;gap:40px}
.eyebrow{text-transform:uppercase;letter-spacing:.08em;font-size:13px;font-weight:700;color:var(--accent-text)}
.section-head{display:flex;flex-direction:column;gap:10px;max-width:680px}
.section-head h2,.page-title{font-size:clamp(28px,3.4vw,40px);line-height:1.1}
.section-head p{font-size:17px;line-height:1.6;color:var(--ink-soft)}

/* ---------- Hero ---------- */
.hero{background:var(--blue);overflow:hidden}
.hero-inner{max-width:var(--max);margin:0 auto;display:flex;flex-wrap:wrap;align-items:center;gap:40px;padding:72px var(--pad-x)}
.hero-copy{flex:1 1 420px;min-width:0;display:flex;flex-direction:column;gap:24px}
.pill{align-self:flex-start;display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;background:var(--sun);color:var(--navy);font-weight:700;font-size:14px}
.hero h1{font-size:clamp(36px,5vw,60px);line-height:1.05;color:#fff;font-weight:800;max-width:600px}
.hero p{font-size:19px;line-height:1.6;color:#fff;max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px}
.hero-art-wrap{flex:1 1 360px;min-width:0;display:flex;justify-content:center}
.hero-art{width:100%;max-width:520px;height:auto;display:block}

/* ---------- Grade tiles ---------- */
.grades{background:var(--cream)}
.grade-tiles{display:flex;flex-wrap:wrap;gap:16px}
.grade-tile{flex:1 1 120px;min-height:128px;border-radius:26px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;text-decoration:none;transition:transform .15s}
.grade-tile:hover{transform:translateY(-4px);text-decoration:none}
.grade-tile .big{font-family:var(--display);font-weight:800;font-size:48px;line-height:1}
.grade-tile .small{font-weight:600;font-size:14px}
.tile-blue{background:var(--blue);color:#fff}.tile-blue:hover{color:#fff}
.tile-orange{background:var(--orange);color:var(--navy)}.tile-orange:hover{color:var(--navy)}
.tile-sun{background:var(--sun);color:var(--navy)}.tile-sun:hover{color:var(--navy)}
.tile-sky{background:var(--sky);color:var(--navy)}.tile-sky:hover{color:var(--navy)}
.tile-mint{background:var(--mint);color:var(--navy)}.tile-mint:hover{color:var(--navy)}

/* ---------- Cards ---------- */
.cards{display:flex;flex-wrap:wrap;gap:24px}
.card{flex:1 1 300px;min-width:0;border:2px solid var(--line);border-radius:26px;padding:28px;display:flex;flex-direction:column;gap:14px;background:#fff}
.card-icon{width:64px;height:64px;border-radius:18px;display:flex;align-items:center;justify-content:center}
.tag{align-self:flex-start;padding:6px 14px;border-radius:999px;color:var(--navy);font-size:13px;font-weight:700}
.card h3{font-size:24px;line-height:1.15}
.card p{font-size:15px;line-height:1.6;color:var(--ink-soft);flex-grow:1}
.card-link{display:inline-flex;align-items:center;gap:6px;min-height:44px;font-weight:700;font-size:16px}
.card-cta{border:0;background:var(--orange);color:var(--navy);justify-content:center;align-items:flex-start;text-decoration:none}
.card-cta:hover{color:var(--navy);text-decoration:none;background:#ffa04a}
.card-cta .cta-title{font-family:var(--display);font-weight:800;font-size:28px;line-height:1.1}
.card-cta .cta-sub{font-size:16px;line-height:1.5}

/* ---------- Teachers ---------- */
.teachers{background:var(--mist)}
.workshops{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.workshops a{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px;padding:14px 22px;background:#fff;border:2px solid var(--line);border-radius:20px;color:var(--navy);font-weight:600;font-size:17px;line-height:1.3}
.workshops a:hover{border-color:var(--blue);text-decoration:none}
.workshops svg{flex-shrink:0;color:var(--blue)}

/* ---------- Hub / filter ---------- */
.hub{max-width:calc(var(--max) - 2*var(--pad-x));margin:0 auto 88px;padding:clamp(28px,4vw,56px);border-radius:36px;background:var(--blue);display:flex;flex-wrap:wrap;align-items:center;gap:40px}
.hub-wrap{padding:0 var(--pad-x)}
.hub-copy{flex:1 1 320px;min-width:0;display:flex;flex-direction:column;gap:14px}
.hub-copy h2{font-size:clamp(28px,3.4vw,40px);line-height:1.1;color:#fff}
.hub-copy p{font-size:17px;line-height:1.6;color:#fff;max-width:420px}
.filter-form{background:#fff;border-radius:26px;padding:28px;display:flex;flex-direction:column;gap:20px;color:var(--navy)}
.hub .filter-form{flex:1 1 420px;min-width:0}
.chip-group{border:0;margin:0;padding:0;min-width:0}
.chip-group legend{padding:0;margin-bottom:10px;font-size:13px;font-weight:700;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.06em}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{position:relative;display:inline-flex}
.chip input{position:absolute;opacity:0;inset:0;width:100%;height:100%;margin:0;cursor:pointer}
.chip span{display:inline-flex;align-items:center;justify-content:center;border:2px solid var(--chip-line);background:#fff;color:var(--navy);font-weight:600;font-size:15px}
.chip-grade span{min-width:48px;height:48px;padding:0 12px;border-radius:14px;font-family:var(--display);font-weight:800;font-size:20px}
.chip-topic span{min-height:44px;padding:0 18px;border-radius:999px}
.chip input:checked + span{background:var(--navy);border-color:var(--navy);color:#fff}
.chip input:focus-visible + span{outline:3px solid var(--orange);outline-offset:2px}
.chip:hover input:not(:checked) + span{border-color:var(--blue)}
.filter-form .btn{align-self:flex-start;min-height:52px;font-size:17px}

/* ---------- Activities page ---------- */
.page-head{background:var(--blue);color:#fff;padding:56px var(--pad-x)}
.page-head-inner{max-width:calc(var(--max) - 2*var(--pad-x));margin:0 auto;display:flex;flex-direction:column;gap:12px}
.page-head .page-title{color:#fff;font-size:clamp(34px,4.4vw,52px);font-weight:800}
.page-head p{font-size:18px;color:#fff;max-width:620px}
.page-head .eyebrow{color:var(--sun)}
.filter-bar{background:var(--cream);padding:32px var(--pad-x)}
.filter-bar .filter-form{max-width:calc(var(--max) - 2*var(--pad-x));margin:0 auto;border:2px solid var(--line)}
.results{padding:48px var(--pad-x) 88px}
.results-inner{max-width:calc(var(--max) - 2*var(--pad-x));margin:0 auto;display:flex;flex-direction:column;gap:24px}
.results-count{font-size:17px;color:var(--ink-soft)}
.result-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.result-card{height:100%;display:flex;flex-direction:column;gap:14px;padding:22px 24px;border:2px solid var(--line);border-radius:22px;background:#fff;color:var(--navy)}
.result-card:hover{border-color:var(--blue);text-decoration:none;color:var(--navy)}
.result-card h3{font-size:21px;line-height:1.2;flex-grow:1}
.result-meta{display:flex;flex-wrap:wrap;gap:8px}
.result-meta .tag{padding:5px 12px;font-size:13px}
.tag-grade{background:#D6ECFF}
.tag-topic{background:#FFE3C2}
.empty{padding:40px;border-radius:26px;background:var(--mist);display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.empty h2{font-size:26px}

/* ---------- Privacy / prose pages ---------- */
.prose-wrap{padding:56px var(--pad-x) 88px}
.prose{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:18px}
.prose h1{font-size:clamp(34px,4.4vw,48px);line-height:1.08;font-weight:800}
.prose h2{font-size:26px;line-height:1.2;margin-top:18px}
.prose p,.prose li{font-size:17px;line-height:1.7;color:#22385F}
.prose ul{margin:0;padding-left:22px;display:flex;flex-direction:column;gap:8px}
.prose .updated{font-size:15px;color:var(--ink-soft)}
.prose .callout{background:var(--cream);border-left:6px solid var(--orange);border-radius:0 18px 18px 0;padding:20px 24px}
.prose .callout p{color:var(--navy);font-weight:500}
.prose a{text-decoration:underline}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy);color:#fff}
.footer-inner{max-width:var(--max);margin:0 auto;padding:64px var(--pad-x);display:flex;flex-wrap:wrap;gap:40px}
.footer-brand{flex:2 1 260px;min-width:0;display:flex;flex-direction:column;gap:14px}
.footer-name{font-family:var(--display);font-weight:800;font-size:22px}
.footer-brand p{color:#D6E4FA;font-size:15px;line-height:1.6;max-width:280px}
.footer-col{flex:1 1 140px;min-width:0;display:flex;flex-direction:column;gap:6px}
.footer-col h2{font-family:var(--body);font-weight:700;font-size:15px;margin-bottom:6px;color:#fff}
.footer-col a{color:#D6E4FA;font-size:15px;min-height:32px;display:inline-flex;align-items:center;overflow-wrap:anywhere}
.footer-col a:hover{color:#fff}
.footer-bar{border-top:1px solid #2A4A80;padding:22px var(--pad-x);color:#BFD3F2;font-size:14px;max-width:none}
.footer-bar{text-align:left}

@media (prefers-reduced-motion:reduce){.grade-tile{transition:none}.grade-tile:hover{transform:none}}

/* ---------- Grade pages ---------- */
.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}
.grade-head{--bg:var(--blue);--fg:#fff;--sub:#fff;--crumb:#D6E4FA;background:var(--bg);color:var(--fg);overflow:hidden}
.grade-orange{--bg:var(--orange);--fg:var(--navy);--sub:var(--navy);--crumb:#4A2A00}
.grade-sun{--bg:var(--sun);--fg:var(--navy);--sub:var(--navy);--crumb:#4A3A00}
.grade-sky{--bg:var(--sky);--fg:var(--navy);--sub:var(--navy);--crumb:#12396E}
.grade-mint{--bg:var(--mint);--fg:var(--navy);--sub:var(--navy);--crumb:#124A2A}
.grade-head-inner{max-width:var(--max);margin:0 auto;padding:48px var(--pad-x) 56px;display:flex;align-items:center;justify-content:space-between;gap:32px}
.grade-head-copy{display:flex;flex-direction:column;gap:12px;min-width:0}
.grade-head .eyebrow{color:var(--fg);opacity:.85}
.grade-head .page-title{color:var(--fg);font-size:clamp(40px,5.4vw,68px);font-weight:800;line-height:1.02}
.grade-intro{font-size:19px;line-height:1.6;color:var(--sub);max-width:680px}
.grade-badge{flex-shrink:0;width:clamp(96px,16vw,190px);height:clamp(96px,16vw,190px);border-radius:32%;background:rgba(255,255,255,.28);border:4px solid var(--fg);color:var(--fg);display:flex;align-items:center;justify-content:center;font-family:var(--display);font-weight:800;font-size:clamp(56px,10vw,120px);line-height:1}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--crumb)}
.crumbs a{color:var(--fg);text-decoration:underline}
.crumbs a:hover{opacity:.8}
@media (max-width:640px){.grade-badge{display:none}}

.project-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}
.project-card{height:100%;display:flex;flex-direction:column;gap:12px;padding:26px 28px;border:2px solid var(--line);border-radius:26px;background:#fff;color:var(--navy);text-decoration:none}
.project-card:hover{border-color:var(--blue);text-decoration:none;color:var(--navy);box-shadow:0 10px 26px rgba(11,42,91,.10)}
.project-card h3{font-size:24px;line-height:1.15}
.project-card p{font-size:15px;line-height:1.65;color:var(--ink-soft);flex-grow:1}
.project-card .card-link{color:var(--link);margin-top:auto}
.project-card:hover .card-link{text-decoration:underline}

.games{background:var(--cream)}
.link-pills{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:12px}
.link-pill{display:inline-flex;align-items:center;gap:8px;min-height:52px;padding:0 24px;border-radius:999px;background:#fff;border:2px solid var(--chip-line);color:var(--navy);font-weight:700;font-size:17px;text-decoration:none}
.link-pill:hover{border-color:var(--blue);text-decoration:none;color:var(--blue)}

.soon-card{max-width:680px;margin:0 auto;padding:clamp(28px,5vw,56px);border-radius:32px;background:var(--cream);display:flex;flex-direction:column;align-items:flex-start;gap:16px}
.soon-icon{width:72px;height:72px;border-radius:22px;background:var(--sun);display:flex;align-items:center;justify-content:center}
.soon-card h2{font-size:clamp(32px,4vw,44px)}
.soon-card p{font-size:19px;line-height:1.6;color:var(--ink-soft)}
.soon-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:8px}

.grade-nav{border-top:1px solid var(--line);background:#fff}
.grade-nav-inner{max-width:var(--max);margin:0 auto;padding:24px var(--pad-x);display:flex;justify-content:space-between;gap:16px}
.grade-nav-link{display:flex;flex-direction:column;gap:2px;min-height:52px;justify-content:center;padding:6px 22px;border-radius:18px;border:2px solid var(--line);color:var(--navy);text-decoration:none}
.grade-nav-link:hover{border-color:var(--blue);text-decoration:none}
.grade-nav-link .dir{font-size:13px;font-weight:700;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.06em}
.grade-nav-link .name{font-family:var(--display);font-weight:700;font-size:20px}
.grade-nav-link.is-next{text-align:right;margin-left:auto}

/* ---------- Teacher page ---------- */
.workshop-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:24px}

/* ---------- Print ---------- */
.print-only{display:none}
@media print{
  .print-only{display:block;font-size:12pt;padding:0 0 8pt;border-bottom:1px solid #999;margin-bottom:12pt}
  .site-header,.site-footer,.skip-link,.grade-nav,.filter-bar,.filter-form,.grade-badge,.soon-actions,.menu-btn{display:none !important}
  body{color:#000;background:#fff}
  .grade-head,.page-head{background:#fff !important;color:#000 !important}
  .grade-head *,.page-head *{color:#000 !important}
  .grade-head-inner,.page-head{padding:0 0 12pt !important}
  .section,.results{padding:12pt 0 !important}
  .project-card,.result-card{break-inside:avoid;border:1px solid #666 !important;box-shadow:none !important}
  a{color:#000;text-decoration:none}
  .games{background:#fff}
}

.result-desc{font-size:14px;line-height:1.6;color:var(--ink-soft);display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}
.result-card h3{flex-grow:0}

/* ---------- Header fit ---------- */
.nav-link,.btn,.brand-name{white-space:nowrap}
@media (max-width:1180px){.main-nav{gap:18px}.brand-tag{display:none}.nav-cta{padding:0 18px}}

/* ======================================================================
   Research / activity pages (includes/activity-page.php)
   Big targets, one idea per step, short sentences, nothing hidden.
   ====================================================================== */
.act-head .grade-badge svg{width:62%;height:62%}
.act-section{background:var(--mist);padding:48px var(--pad-x) 72px}
.act-wrap{max-width:960px;margin:0 auto;display:flex;flex-direction:column;gap:28px}

/* Steps */
.steps{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:24px}
.step{display:grid;grid-template-columns:72px 1fr;gap:20px;align-items:start}
.steps.no-nums .step{grid-template-columns:1fr}
.step-num{width:72px;height:72px;border-radius:50%;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--display);font-weight:800;font-size:40px;line-height:1;box-shadow:0 4px 0 rgba(11,42,91,.18)}
.steps > .step:nth-child(5n+2) .step-num{background:var(--orange);color:var(--navy)}
.steps > .step:nth-child(5n+3) .step-num{background:var(--sun);color:var(--navy)}
.steps > .step:nth-child(5n+4) .step-num{background:var(--sky);color:var(--navy)}
.steps > .step:nth-child(5n+5) .step-num{background:var(--mint);color:var(--navy)}
.step-body{background:#fff;border:2px solid var(--line);border-radius:24px;padding:24px 28px 26px;display:flex;flex-direction:column;gap:16px;min-width:0}
.step-top{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}
.step-top h2{font-size:clamp(24px,3vw,32px);line-height:1.15;color:var(--navy)}
.step-tools{flex-shrink:0}
.tool-btn{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 18px;border-radius:999px;border:2px solid var(--blue);background:#fff;color:var(--blue);font-family:var(--body);font-weight:700;font-size:15px;cursor:pointer}
.tool-btn:hover{background:var(--mist)}
.tool-btn[hidden],.done-btn[hidden],.print-btn[hidden]{display:none}
.tool-btn.is-speaking{background:var(--blue);color:#fff}
.say{font-size:20px;line-height:1.55;color:var(--navy);max-width:62ch}
.step-text{font-size:17px;line-height:1.6;color:var(--ink-soft);max-width:62ch}
.helper-note{display:flex;gap:12px;align-items:flex-start;background:var(--cream);border:2px solid #FFD9A8;border-radius:16px;padding:12px 16px;font-size:16px;line-height:1.5;color:var(--navy)}
.helper-note svg{flex-shrink:0;color:var(--orange);fill:var(--sun);margin-top:2px}
.step-foot{display:flex;justify-content:flex-end;border-top:2px dashed var(--line);padding-top:16px;margin-top:4px}
.done-btn{display:inline-flex;align-items:center;gap:8px;min-height:48px;padding:0 24px;border-radius:999px;border:3px solid var(--blue);background:#fff;color:var(--blue);font-family:var(--body);font-weight:700;font-size:17px;cursor:pointer}
.done-btn:hover{background:var(--mist)}
.done-btn svg{opacity:.35}
.done-btn[aria-pressed="true"]{background:#1E8E4E;border-color:#1E8E4E;color:#fff}
.done-btn[aria-pressed="true"] svg{opacity:1}
.step.is-done .step-body{border-color:#8FDDA8;background:#F4FCF6}

/* Websites to visit */
.site-list,.file-grid,.big-tiles,.photo-grid,.color-sheet{list-style:none;margin:0;padding:0}
.site-list{display:flex;flex-direction:column;gap:12px}
.site-card{display:flex;align-items:center;gap:16px;padding:16px 18px;border:2px solid var(--chip-line);border-radius:18px;background:var(--mist);color:var(--navy);text-decoration:none;min-height:72px}
.site-card:hover{border-color:var(--blue);background:#fff;text-decoration:none;color:var(--navy)}
.site-ico{width:52px;height:52px;border-radius:50%;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.site-text{display:flex;flex-direction:column;gap:2px;min-width:0;flex:1}
.site-name{font-family:var(--display);font-weight:700;font-size:21px;line-height:1.2}
.site-desc{font-size:15px;line-height:1.45;color:var(--ink-soft)}
.site-ext{color:var(--blue);flex-shrink:0}

/* Files to open */
.file-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}
.file-tile{display:flex;align-items:center;gap:14px;padding:14px 16px;border:2px solid var(--chip-line);border-radius:18px;background:#fff;color:var(--navy);text-decoration:none;height:100%;min-height:76px}
.file-tile:hover{border-color:var(--blue);background:var(--mist);text-decoration:none;color:var(--navy)}
.file-badge{width:56px;height:56px;border-radius:14px;color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--display);font-weight:800;font-size:15px;letter-spacing:.02em;flex-shrink:0}
.k-word{background:#2B5797}
.k-ppt{background:#C0481E}
.k-gdoc{background:#1A73E8}
.k-clk{background:#6B3FA0}
.k-pdf{background:#B3261E}
.file-text{display:flex;flex-direction:column;gap:2px;min-width:0}
.file-name{font-weight:700;font-size:17px;line-height:1.25;overflow-wrap:anywhere}
.file-kind{font-size:13px;font-weight:600;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.05em}
.file-desc{font-size:14px;line-height:1.4;color:var(--ink-soft)}

/* Big colorful tiles (pick a stage, pick a fish...) */
.big-tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px}
.big-tile{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;text-align:center;min-height:112px;padding:14px 12px;border-radius:22px;color:var(--navy);text-decoration:none;font-family:var(--display);font-weight:700;border:3px solid transparent;box-shadow:0 4px 0 rgba(11,42,91,.16);transition:transform .15s}
.big-tile:hover{transform:translateY(-3px);text-decoration:none;color:var(--navy);border-color:var(--navy)}
.tile-blue{background:var(--blue);color:#fff}
.tile-blue:hover{color:#fff}
.tile-orange{background:var(--orange)}
.tile-sun{background:var(--sun)}
.tile-sky{background:var(--sky)}
.tile-mint{background:var(--mint)}
.bt-num{width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.85);color:var(--navy);display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:800}
.bt-label{font-size:21px;line-height:1.15}
@media (prefers-reduced-motion:reduce){.big-tile{transition:none}.big-tile:hover{transform:none}}

.btn-row{display:flex;flex-wrap:wrap;gap:12px}

/* Video */
.video-card{margin:0;display:flex;flex-direction:column;gap:10px}
.video-card video{width:100%;max-width:720px;border-radius:18px;background:#0B2A5B;display:block}
.video-card figcaption{font-size:15px;color:var(--ink-soft)}
.video-missing{max-width:720px;aspect-ratio:4/3;max-height:360px;border-radius:18px;border:3px dashed var(--chip-line);background:var(--mist);color:var(--blue);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;text-align:center;padding:16px}
.video-missing strong{font-family:var(--display);font-size:24px;color:var(--navy)}
.video-missing span{font-size:15px;color:var(--ink-soft)}

/* YouTube: nothing loads until pressed */
.yt-card{max-width:720px;display:flex;flex-direction:column;gap:8px}
.yt-play{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;aspect-ratio:16/9;border-radius:18px;background:var(--navy);color:#fff;text-decoration:none;padding:16px;text-align:center}
.yt-play:hover{background:#12397a;color:#fff;text-decoration:none}
.yt-btn{width:84px;height:84px;border-radius:50%;background:var(--orange);color:var(--navy);display:flex;align-items:center;justify-content:center}
.yt-title{font-family:var(--display);font-weight:700;font-size:21px}
.yt-note{font-size:13px;color:var(--ink-soft)}
.yt-card iframe{width:100%;aspect-ratio:16/9;border:0;border-radius:18px;background:#000;display:block}

/* Photos */
.photo-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.photo-grid figure,.color-sheet figure{margin:0;display:flex;flex-direction:column;gap:6px}
.photo-grid img{width:100%;height:auto;border-radius:16px;border:2px solid var(--line);display:block;background:#fff}
.photo-grid figcaption,.color-sheet figcaption{font-size:14px;color:var(--ink-soft)}
.color-sheet{display:flex;flex-direction:column;gap:20px}
.color-sheet img{width:100%;height:auto;display:block;border:2px solid var(--line);border-radius:12px;background:#fff}
.color-sheet li + li img{max-width:520px}

/* Stage mode (frog life cycle, coloring pages) */
.stage-strip{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.stage-dot{display:flex;align-items:center;gap:8px;min-height:48px;padding:6px 16px 6px 8px;border-radius:999px;background:#fff;border:2px solid var(--chip-line);color:var(--navy);font-weight:700;font-size:16px;text-decoration:none}
.stage-dot:hover{border-color:var(--blue);text-decoration:none;color:var(--navy)}
.sd-num{width:32px;height:32px;border-radius:50%;background:var(--mist);color:var(--blue);display:flex;align-items:center;justify-content:center;font-family:var(--display);font-weight:800;font-size:18px}
.stage-dot.is-current{background:var(--blue);border-color:var(--blue);color:#fff}
.stage-dot.is-current .sd-num{background:var(--sun);color:var(--navy)}
.stage-card{display:block}
.stage-card .step-body{padding:28px}
.stage-text{font-size:22px;line-height:1.6;color:var(--navy)}
.name-line{display:flex;align-items:flex-end;gap:10px;font-size:20px;font-weight:600;color:var(--navy)}
.name-fill{flex:1;max-width:420px;border-bottom:2px solid var(--navy);height:1.2em}
.stage-nav{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

.act-foot{display:flex;flex-wrap:wrap;gap:12px;padding-top:8px}
.teacher-note{background:#fff;border:2px solid var(--line);border-radius:18px;padding:14px 20px;color:var(--ink-soft);font-size:15px;line-height:1.6}
.teacher-note summary{cursor:pointer;font-weight:700;color:var(--navy);min-height:32px;display:flex;align-items:center}
.teacher-note p{margin-top:8px;max-width:70ch}

@media (max-width:560px){
  .act-section{padding:28px 16px 56px}
  .step{grid-template-columns:1fr;gap:10px}
  .step-num{width:52px;height:52px;font-size:30px}
  .step-body{padding:18px 16px 20px;border-radius:20px}
  .step-top{flex-direction:column;gap:10px}
  .say{font-size:19px}
  .stage-text{font-size:20px}
  .site-card{padding:14px}
  .site-ico{width:44px;height:44px}
  .site-name{font-size:19px}
  .stage-nav .btn{width:100%}
  .done-btn{width:100%;justify-content:center}
  .stage-dot .sd-label{display:none}
  .stage-dot{padding:6px}
}

@media print{
  .act-section{background:#fff;padding:0}
  .tool-btn,.done-btn,.print-btn,.stage-nav,.act-foot,.stage-strip,.yt-card,.video-card,.teacher-note,.site-ext{display:none !important}
  .step-body{border:1px solid #666;break-inside:avoid;padding:10pt}
  .step-num{background:#fff !important;color:#000 !important;border:2px solid #000;box-shadow:none}
  .color-sheet img{border:none;max-width:100%}
  .color-sheet li + li img{max-width:60%}
  .stage-text,.say{font-size:14pt}
}