:root{
  --ink:#16342d;
  --green:#2f7d62;
  --green2:#4fa77f;
  --cream:#fffaf0;
  --paper:#ffffff;
  --yellow:#f4c64e;
  --blue:#5c8fe8;
  --purple:#8c6bd8;
  --orange:#ef8b45;
  --muted:#66766f;
  --line:#e2eadf;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Arial,Helvetica,sans-serif;
  color:var(--ink);
  background:var(--cream);
  line-height:1.55;
}
a{color:inherit}
.wrap{width:min(1160px,92vw);margin:0 auto}
.site-header{
  position:sticky;top:0;z-index:20;
  background:rgba(255,250,240,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px);
}
.nav{height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-weight:800;font-size:1.2rem}
.brand-mark{
  width:42px;height:42px;border-radius:14px;
  display:grid;place-items:center;background:var(--green);color:#fff;font-weight:900;
}
.navlinks{display:flex;gap:22px;align-items:center;font-weight:700;font-size:.96rem}
.navlinks a{text-decoration:none}
.parent-pill{padding:10px 14px;border:1px solid var(--line);background:#fff;border-radius:999px}
.hero{padding:78px 0 48px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.eyebrow{font-weight:800;color:var(--green);letter-spacing:.04em;text-transform:uppercase;font-size:.83rem}
h1{font-size:clamp(2.5rem,6vw,5.2rem);line-height:.98;margin:12px 0 22px;letter-spacing:-.04em}
.lede{font-size:1.2rem;color:var(--muted);max-width:650px}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.btn{display:inline-block;padding:13px 18px;border-radius:14px;text-decoration:none;font-weight:800}
.btn-primary{background:var(--green);color:#fff}
.btn-secondary{background:#fff;border:1px solid var(--line)}
.hero-art{
  min-height:390px;border-radius:34px;
  background:linear-gradient(150deg,#dff4e8,#fff1bf);
  border:1px solid var(--line);position:relative;overflow:hidden;
  display:grid;place-items:center;padding:28px;text-align:center
}
.pencil{font-size:7rem;transform:rotate(-8deg)}
.hero-art strong{display:block;font-size:1.4rem;margin-top:8px}
.section{padding:54px 0}
.section h2{font-size:clamp(2rem,4vw,3.3rem);margin:0 0 12px;letter-spacing:-.03em}
.section-lede{color:var(--muted);max-width:760px;margin-bottom:28px}
.gateway{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:24px;padding:24px;
  min-height:210px;box-shadow:0 8px 30px rgba(31,71,58,.05)
}
.card .icon{font-size:2rem}.card h3{margin:14px 0 8px;font-size:1.25rem}.card p{color:var(--muted)}
.card:nth-child(1){border-top:6px solid var(--yellow)}
.card:nth-child(2){border-top:6px solid var(--green2)}
.card:nth-child(3){border-top:6px solid var(--blue)}
.card:nth-child(4){border-top:6px solid var(--purple)}
.safety{
  display:grid;grid-template-columns:1fr 1fr;gap:22px;
  background:#173f35;color:#fff;border-radius:30px;padding:34px
}
.safety p{color:#dce9e4}
.list{display:grid;gap:12px}.tick{display:flex;gap:10px;align-items:flex-start}
.tick b{color:#fff}
.notice{
  background:#fff;border:1px solid var(--line);padding:24px;border-radius:22px;
}
.footer{border-top:1px solid var(--line);padding:34px 0 44px;margin-top:40px;background:#fff}
.footer-grid{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}
.footer a{text-decoration:none;color:var(--muted);margin-right:18px}
.page{padding:54px 0 80px}
.page article{background:#fff;border:1px solid var(--line);border-radius:24px;padding:clamp(24px,4vw,48px)}
.page h1{font-size:clamp(2.2rem,5vw,4rem)}
.page h2{margin-top:34px}
.page li{margin-bottom:8px}
.small{font-size:.9rem;color:var(--muted)}
@media (max-width:900px){
  .hero-grid,.safety{grid-template-columns:1fr}
  .gateway{grid-template-columns:repeat(2,1fr)}
  .navlinks a:not(.parent-pill){display:none}
}
@media (max-width:560px){
  .hero{padding-top:48px}.gateway{grid-template-columns:1fr}
  .hero-art{min-height:300px}.nav{height:66px}
}

.trustbar{background:#fff;border-block:1px solid var(--line)}
.trustgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;padding:18px 0}
.trustitem{text-align:center;font-weight:800;font-size:.92rem}
.featuregrid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feature{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px}
.feature h3{margin:8px 0}.feature p{color:var(--muted)}
.band{background:linear-gradient(135deg,#fff3c9,#e2f5ea);border-block:1px solid var(--line)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step{padding:22px;border-radius:22px;background:rgba(255,255,255,.7)}
.stepnum{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--ink);color:#fff;font-weight:900}
.cta{background:#fff;border:1px solid var(--line);border-radius:30px;padding:36px;display:flex;justify-content:space-between;gap:24px;align-items:center}
.badge{display:inline-flex;padding:7px 10px;border-radius:999px;background:#e6f5ed;font-weight:800;font-size:.82rem}
@media(max-width:900px){.trustgrid,.featuregrid,.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.trustgrid,.featuregrid,.steps{grid-template-columns:1fr}.cta{display:block}}

/* V1.2 learning library */
.resource-launch{background:#f4fbf7;border-block:1px solid var(--line)}
.resource-launch-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:center}
.launch-numbers{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.launch-numbers div{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px;text-align:center}.launch-numbers strong{display:block;font-size:2rem;color:var(--green)}.launch-numbers span{font-size:.85rem;color:var(--muted)}
.resource-hero{padding:70px 0 50px;background:linear-gradient(145deg,#fffaf0,#eef8f2)}
.resource-hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:35px;align-items:center}
.resource-stat-panel{background:#173f35;color:#fff;border-radius:28px;padding:28px;display:grid;grid-template-columns:auto 1fr;gap:8px 14px;align-items:baseline}.resource-stat-panel strong{font-size:2.5rem;color:#f4c64e}.resource-stat-panel span{color:#dce9e4}
.resource-index{padding:45px 0}.resource-world{padding:20px 0 55px}.world-heading{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:24px}.world-heading h2{font-size:clamp(2rem,4vw,3rem);margin:4px 0}.world-heading p{color:var(--muted);max-width:720px;margin:0}.world-count{white-space:nowrap;background:#e6f5ed;padding:9px 13px;border-radius:999px;font-weight:800}
.resource-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.resource-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:20px;display:flex;flex-direction:column;min-height:270px;box-shadow:0 7px 24px rgba(31,71,58,.04)}.resource-card h3{font-size:1.18rem;line-height:1.25;margin:12px 0 7px}.resource-card h3 a{text-decoration:none}.resource-card p{color:var(--muted);font-size:.94rem;flex:1}.resource-top,.resource-meta{display:flex;justify-content:space-between;gap:10px;align-items:center}.resource-icon{font-size:1.4rem}.resource-age,.resource-meta{font-size:.8rem;color:var(--muted)}.resource-meta{border-top:1px solid var(--line);padding-top:12px}.resource-link{font-weight:800;color:var(--green);text-decoration:none;margin-top:14px}
.resource-detail{padding:36px 0 60px}.breadcrumbs{display:flex;gap:9px;align-items:center;font-size:.9rem;color:var(--muted);margin-bottom:32px}.breadcrumbs a{color:var(--muted)}.resource-detail-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:42px;align-items:center}.resource-detail h1{font-size:clamp(2.5rem,5.6vw,4.8rem);line-height:1;margin:10px 0 20px;letter-spacing:-.04em}.resource-facts{display:flex;gap:10px;flex-wrap:wrap;margin:24px 0}.resource-facts span{background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px 12px;color:var(--muted)}.resource-facts b{color:var(--ink)}.download-note{font-size:.9rem;color:var(--muted)}.printable-preview{min-height:390px;border-radius:28px;border:1px solid var(--line);background:linear-gradient(155deg,#dff4e8,#fff1bf);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:36px}.preview-pencil{font-size:5rem;transform:rotate(-16deg);margin-bottom:20px}.printable-preview span{font-weight:800;color:var(--green)}.printable-preview strong{font-size:1.6rem;line-height:1.15;margin:12px 0;max-width:330px}.printable-preview small{color:var(--muted)}.white-band{background:#fff;border-block:1px solid var(--line)}.detail-copy{display:grid;grid-template-columns:1fr 1fr;gap:40px}.detail-copy h2{font-size:1.6rem}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.related-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;text-decoration:none;display:flex;flex-direction:column;gap:6px}.related-card span,.related-card small{color:var(--muted);font-size:.85rem}.back-link{margin-top:24px;font-weight:800}.back-link a{color:var(--green)}
@media(max-width:900px){.resource-launch-grid,.resource-hero-grid,.resource-detail-grid,.detail-copy{grid-template-columns:1fr}.resource-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.launch-numbers,.resource-grid,.related-grid{grid-template-columns:1fr}.world-heading{display:block}.world-count{display:inline-block;margin-top:12px}.resource-detail h1{font-size:2.5rem}}


/* V1.2.1 calm block-first printable library */
.library-welcome{padding:62px 0 28px;background:linear-gradient(180deg,#fffaf0 0%,#fffdf7 100%)}
.library-welcome-inner{max-width:800px}.library-welcome h1{font-size:clamp(3rem,6vw,5.4rem);margin-bottom:18px}
.world-gateway-section{padding:18px 0 58px;background:#fffdf7}.world-gateway-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.world-gateway-card{min-height:430px;border-radius:34px;padding:30px;text-decoration:none;border:1px solid rgba(22,52,45,.08);display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden;box-shadow:0 18px 55px rgba(31,71,58,.08);transition:transform .18s ease,box-shadow .18s ease}
.world-gateway-card:hover,.world-gateway-card:focus-visible{transform:translateY(-5px);box-shadow:0 24px 65px rgba(31,71,58,.14);outline:3px solid rgba(47,125,98,.2);outline-offset:3px}
.world-gateway-card.world-little{background:linear-gradient(150deg,#fff6bf 0%,#e7f6dd 100%)}
.world-gateway-card.world-adventure{background:linear-gradient(150deg,#dff4ea 0%,#dfeeff 100%)}
.world-gateway-card.world-quest{background:linear-gradient(150deg,#e7e5ff 0%,#ffe3d2 100%)}
.world-gateway-icon{font-size:5.2rem;line-height:1;align-self:flex-end;filter:drop-shadow(0 10px 15px rgba(22,52,45,.08))}
.world-gateway-copy span{font-size:.88rem;font-weight:900;letter-spacing:.05em;text-transform:uppercase;color:var(--green)}
.world-gateway-copy h2{font-size:clamp(2rem,3vw,2.8rem);line-height:1.02;margin:10px 0 12px;letter-spacing:-.04em}
.world-gateway-copy p{color:#49645c;min-height:72px}.world-gateway-copy strong{display:inline-flex;align-items:center;gap:8px;margin-top:16px}
.library-note{display:grid;grid-template-columns:1fr .8fr;gap:40px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:28px;padding:34px}.library-note h2{font-size:clamp(1.8rem,3vw,2.7rem);margin:6px 0}.library-note p{color:var(--muted);font-size:1.05rem}
.world-page-hero{padding:48px 0 42px;border-bottom:1px solid var(--line)}.world-page-hero.world-little{background:linear-gradient(145deg,#fff7ca,#edf8e7)}.world-page-hero.world-adventure{background:linear-gradient(145deg,#e5f7ed,#e5f0ff)}.world-page-hero.world-quest{background:linear-gradient(145deg,#ece9ff,#ffe9dc)}
.world-page-hero-inner{display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center}.world-page-hero h1{font-size:clamp(3rem,6vw,5.1rem);margin:8px 0 18px}.world-page-symbol{font-size:7rem;line-height:1;min-width:150px;text-align:center}
.skill-picker{padding:48px 0 58px;background:#fff}.section-heading-compact{margin-bottom:24px}.section-heading-compact h2{font-size:clamp(2rem,4vw,3.1rem);margin:5px 0 0}.skill-block-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.skill-block{min-height:185px;border:1px solid var(--line);border-radius:28px;padding:24px;text-decoration:none;background:var(--cream);display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease}.skill-block:hover,.skill-block:focus-visible{transform:translateY(-3px);box-shadow:0 16px 38px rgba(31,71,58,.09);border-color:#b9d8ca;outline:none}.skill-icon{width:74px;height:74px;border-radius:22px;background:#fff;display:grid;place-items:center;font-size:2.25rem;box-shadow:0 8px 22px rgba(31,71,58,.06)}.skill-copy{display:flex;flex-direction:column}.skill-copy small{font-style:normal;text-transform:uppercase;letter-spacing:.05em;font-weight:800;color:var(--green);font-size:.72rem}.skill-copy strong{font-size:1.42rem;margin:4px 0}.skill-copy em{font-style:normal;color:var(--muted);font-size:.92rem}.skill-arrow{font-size:1.8rem;font-weight:900;color:var(--green)}
.world-resource-list{padding-top:22px}.skill-section{scroll-margin-top:94px;padding:34px 0 56px;border-bottom:1px solid var(--line)}.skill-section-heading{display:flex;justify-content:space-between;gap:28px;align-items:end;margin-bottom:22px}.skill-section-heading>div>span{font-size:2rem}.skill-section-heading h2{font-size:clamp(1.8rem,3vw,2.6rem);margin:6px 0}.skill-section-heading p{color:var(--muted);margin:0}.skill-section-heading>a{font-weight:800;color:var(--green);white-space:nowrap}
.printable-tile-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.printable-tile{background:#fff;border:1px solid var(--line);border-radius:22px;padding:20px;min-height:235px;display:flex;flex-direction:column;box-shadow:0 8px 25px rgba(31,71,58,.04)}.printable-tile-top{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:.78rem;align-items:center}.pdf-chip{background:#e6f5ed;color:var(--green)!important;border-radius:999px;padding:6px 9px;font-weight:900;letter-spacing:.04em}.printable-tile h3{font-size:1.2rem;line-height:1.25;margin:16px 0 8px}.printable-tile h3 a{text-decoration:none}.printable-tile p{color:var(--muted);font-size:.92rem;flex:1;margin:0}.center-actions{text-align:center}
.mini-world-links{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.mini-world-links a{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px;text-decoration:none;display:flex;flex-direction:column;gap:3px;min-height:130px;justify-content:center}.mini-world-links a>span{font-size:1.8rem}.mini-world-links strong{font-size:.98rem}.mini-world-links small{color:var(--muted)}
@media(max-width:900px){.world-gateway-grid{grid-template-columns:1fr}.world-gateway-card{min-height:300px}.library-note,.world-page-hero-inner{grid-template-columns:1fr}.world-page-symbol{display:none}.skill-block-grid,.printable-tile-grid{grid-template-columns:repeat(2,1fr)}.mini-world-links{grid-template-columns:1fr}.resource-launch-grid{grid-template-columns:1fr}}
@media(max-width:600px){.library-welcome{padding-top:42px}.library-welcome h1{font-size:3rem}.world-gateway-card{padding:24px;border-radius:28px}.skill-block-grid,.printable-tile-grid{grid-template-columns:1fr}.skill-block{grid-template-columns:auto 1fr;min-height:150px}.skill-arrow{display:none}.skill-section-heading{display:block}.skill-section-heading>a{display:inline-block;margin-top:12px}}
@media(prefers-reduced-motion:reduce){.world-gateway-card,.skill-block{transition:none}.world-gateway-card:hover,.world-gateway-card:focus-visible,.skill-block:hover,.skill-block:focus-visible{transform:none}}


/* BrightPencil online practice player */
.practice-shell{padding:34px 0 70px;background:linear-gradient(180deg,#fffaf0 0,#f6fbf7 100%)}
.practice-top{display:flex;justify-content:space-between;gap:24px;align-items:flex-start;margin-bottom:22px}
.practice-top h1{margin:.2rem 0 .4rem;font-size:clamp(2rem,5vw,4.25rem);line-height:.98}.practice-top p{margin:0;color:#5a6e67}
.practice-player{max-width:920px;margin:0 auto;background:#fff;border:1px solid #dce8e2;border-radius:30px;box-shadow:0 18px 60px rgba(24,67,54,.08);overflow:hidden}
.practice-player-head{padding:22px 26px;border-bottom:1px solid #e2ebe6;display:flex;align-items:center;justify-content:space-between;gap:20px;background:#fbfefc}.practice-progress{display:flex;gap:7px;flex-wrap:wrap}.progress-dot{width:12px;height:12px;border-radius:50%;background:#d9e4df}.progress-dot.current{outline:3px solid #b9dcca}.progress-dot.done{background:#2f8d70}.practice-count{font-weight:800;color:#35584c;font-size:.95rem}
.practice-task{padding:clamp(26px,5vw,52px)}.task-kicker{text-transform:uppercase;letter-spacing:.08em;font-weight:900;color:#2c8a6d;font-size:.82rem}.practice-task h2{font-size:clamp(1.8rem,4vw,3rem);line-height:1.1;margin:.55rem 0 1.5rem;color:#153f34}.task-hint{font-size:1.05rem;color:#5a6e67}
.choice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.choice-btn{min-height:82px;border:2px solid #d9e7e1;border-radius:20px;background:#fff;padding:18px;font:inherit;font-weight:900;font-size:1.15rem;color:#173f35;cursor:pointer}.choice-btn:hover,.choice-btn:focus-visible{border-color:#53a98e;transform:translateY(-1px)}.choice-btn.correct{background:#e7f7ef;border-color:#2f8d70}.choice-btn.wrong{background:#fff1ee;border-color:#d16b57}
.answer-row{display:flex;gap:12px;align-items:stretch}.big-answer{flex:1;min-width:0;border:2px solid #d9e7e1;border-radius:18px;padding:16px 18px;font:inherit;font-size:1.35rem;font-weight:800;color:#153f34}.big-answer:focus{outline:3px solid #b9dcca;border-color:#2f8d70}.practice-status{min-height:34px;margin:0;padding:0 26px 26px;font-weight:800}.practice-status.good{color:#216b54}.practice-status.try{color:#9a4f3f}
.reading-passage{background:#f4f9f6;border-radius:20px;padding:22px 24px;margin-bottom:24px;font-size:1.12rem;line-height:1.65;color:#24483d}.draw-board{position:relative;height:330px;border:2px dashed #bcd7cc;border-radius:24px;background:#fbfefc;overflow:hidden;touch-action:none}.draw-guide{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:clamp(3rem,10vw,7rem);font-weight:900;color:#d9e8e1;letter-spacing:.08em;pointer-events:none;text-align:center;padding:20px}.draw-board canvas{position:absolute;inset:0;width:100%;height:100%;touch-action:none}.practice-controls{display:flex;gap:12px;margin-top:18px;flex-wrap:wrap}.writing-answer{width:100%;border:2px solid #d9e7e1;border-radius:20px;padding:18px;font:inherit;font-size:1.1rem;line-height:1.55;resize:vertical}.writing-answer:focus{outline:3px solid #b9dcca;border-color:#2f8d70}
.practice-finish{text-align:center;padding:30px 0}.finish-badge{font-size:4rem}.practice-finish h2{margin:.4rem 0}.practice-finish p{max-width:600px;margin:0 auto 24px;color:#5a6e67;font-size:1.08rem}.practice-note{margin-top:22px;padding:18px 20px;border-radius:18px;background:#eef7f2;color:#365c50}.practice-note strong{color:#173f35}.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}
@media(max-width:720px){.practice-top{display:block}.practice-player{border-radius:20px}.practice-player-head{align-items:flex-start;flex-direction:column}.choice-grid{grid-template-columns:1fr}.answer-row{flex-direction:column}.draw-board{height:290px}.practice-task{padding:28px 20px}.practice-status{padding:0 20px 20px}}


/* V1.3.1 child-facing voice controls */
.practice-voice-btn,.hear-instruction{border:1px solid #dce7df;background:#fff;color:#16342d;border-radius:999px;min-height:44px;padding:9px 13px;font-weight:800;cursor:pointer}.practice-voice-btn{margin-left:auto}.hear-instruction{margin:0 0 12px 0}.practice-voice-btn:focus-visible,.hear-instruction:focus-visible{outline:3px solid rgba(47,125,98,.28);outline-offset:2px}
@media(max-width:620px){.practice-voice-btn span{display:none}.hear-instruction{font-size:.86rem}}

.brand-mark img{width:100%;height:100%;display:block;border-radius:inherit}

/* V1.3.1 public trust pages */
.page article ol{padding-left:1.35rem;color:var(--muted);line-height:1.75}
.page article h3,.page article h4{color:var(--ink)}
.footer-grid>div:last-child{display:flex;gap:10px 18px;flex-wrap:wrap;justify-content:flex-end}
@media(max-width:720px){.footer-grid>div:last-child{justify-content:flex-start}.navlinks a:nth-child(3),.navlinks a:nth-child(4){display:none}}

.printable-preview.preview-sheet{padding:20px;gap:12px;overflow:hidden;background:#f7fbf8}.printable-preview.preview-sheet img{display:block;width:min(100%,360px);height:auto;max-height:460px;object-fit:contain;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 16px 32px rgba(32,64,52,.12)}.printable-preview.preview-sheet span{font-size:.86rem}

/* V1.4 public block hierarchy and gentle visual motion */
.big-block-section{padding:48px 0 68px;background:linear-gradient(180deg,#fffdf8,#f7fbf8)}
.subject-world-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.subject-world-card{min-height:190px;border:1px solid var(--line);border-radius:30px;padding:26px;text-decoration:none;display:grid;grid-template-columns:auto 1fr auto;gap:20px;align-items:center;background:linear-gradient(145deg,#fff,#f1f9f5);box-shadow:0 14px 38px rgba(31,71,58,.07);position:relative;overflow:hidden;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.subject-world-card:nth-child(3n+2){background:linear-gradient(145deg,#fff8d9,#fff)}.subject-world-card:nth-child(3n+3){background:linear-gradient(145deg,#eee9ff,#fff)}
.subject-world-card>span{width:82px;height:82px;border-radius:25px;display:grid;place-items:center;background:rgba(255,255,255,.9);font-size:2.5rem;box-shadow:0 9px 24px rgba(31,71,58,.08)}
.subject-world-card div{display:flex;flex-direction:column}.subject-world-card small{text-transform:uppercase;letter-spacing:.07em;color:var(--green);font-weight:900;font-size:.72rem}.subject-world-card strong{font-size:1.55rem;line-height:1.1;margin:5px 0 7px}.subject-world-card em{font-style:normal;color:var(--muted);line-height:1.45}.subject-world-card>b{font-size:2rem;color:var(--green)}
.subject-world-card::after{content:"";position:absolute;inset:-70% -40%;background:linear-gradient(110deg,transparent 40%,rgba(255,255,255,.66) 50%,transparent 60%);transform:translateX(-55%) rotate(8deg);transition:transform .7s ease;pointer-events:none}
.subject-world-card:hover,.subject-world-card:focus-visible{transform:translateY(-5px);box-shadow:0 22px 52px rgba(31,71,58,.13);border-color:#b7d9ca;outline:3px solid rgba(47,125,98,.15);outline-offset:3px}.subject-world-card:hover::after,.subject-world-card:focus-visible::after{transform:translateX(55%) rotate(8deg)}
.world-gateway-icon{animation:bpkPublicFloat 4.2s ease-in-out infinite}.world-page-symbol{animation:bpkPublicFloat 4.8s ease-in-out infinite}
@keyframes bpkPublicFloat{0%,100%{transform:translateY(0) rotate(-2deg)}50%{transform:translateY(-9px) rotate(2deg)}}
.printable-tile{transition:transform .18s ease,box-shadow .18s ease}.printable-tile:hover,.printable-tile:focus-within{transform:translateY(-3px);box-shadow:0 18px 42px rgba(31,71,58,.1)}
@media(max-width:760px){.subject-world-grid{grid-template-columns:1fr}.subject-world-card{min-height:150px;padding:20px}.subject-world-card>span{width:68px;height:68px;font-size:2rem}.subject-world-card strong{font-size:1.3rem}}
@media(prefers-reduced-motion:reduce){.subject-world-card,.printable-tile{transition:none}.subject-world-card::after{display:none}.subject-world-card:hover,.subject-world-card:focus-visible,.printable-tile:hover,.printable-tile:focus-within{transform:none}.world-gateway-icon,.world-page-symbol{animation:none!important}}

/* V1.4 interactive practice buddy and celebration polish */
.practice-player{position:relative}.practice-buddy{position:absolute;right:18px;bottom:18px;display:flex;align-items:center;gap:8px;z-index:4;border:0;background:transparent;padding:0;cursor:pointer;font:inherit;text-align:left;color:inherit;filter:drop-shadow(0 8px 16px rgba(31,71,58,.14))}.practice-buddy:focus-visible{outline:4px solid rgba(255,205,69,.75);outline-offset:5px;border-radius:20px}.practice-buddy-icon{width:54px;height:54px;border-radius:18px;background:#fff;padding:5px;box-shadow:0 10px 28px rgba(31,71,58,.14);animation:bpkBuddyFloat 3s ease-in-out infinite}.practice-buddy-icon img{display:block;width:100%;height:100%}.practice-buddy-talk{background:#fff;border:1px solid var(--line);border-radius:14px;padding:7px 10px;display:grid;gap:1px;color:var(--green);max-width:175px}.practice-buddy-talk small{font-size:.62rem;letter-spacing:.05em;text-transform:uppercase}.practice-buddy-talk b{font-size:.82rem;line-height:1.15}.practice-buddy-talk em{font-size:.6rem;font-style:normal;color:#71867e}.practice-buddy[data-state="talk"] .practice-buddy-icon{animation:bpkBuddyNod .28s ease-in-out infinite alternate}.practice-buddy[data-state="celebrate"] .practice-buddy-icon{animation:bpkBuddyCelebrate .42s ease-in-out 4}.practice-buddy[data-state="try"] .practice-buddy-icon{animation:bpkBuddyNod .35s ease-in-out 2}
@keyframes bpkBuddyFloat{0%,100%{transform:translateY(0) rotate(-4deg)}50%{transform:translateY(-7px) rotate(4deg)}}@keyframes bpkBuddyCelebrate{0%,100%{transform:scale(1) rotate(0)}50%{transform:scale(1.18) rotate(10deg)}}@keyframes bpkBuddyNod{0%,100%{transform:rotate(0)}50%{transform:rotate(-10deg)}}
.practice-finish{position:relative}.practice-finish::before,.practice-finish::after{content:"✦";position:absolute;color:#f4c64e;font-size:2.2rem;animation:bpkStarPop 1s ease-in-out infinite alternate}.practice-finish::before{left:14%;top:14%}.practice-finish::after{right:14%;top:22%;animation-delay:.25s}@keyframes bpkStarPop{from{transform:scale(.7) rotate(-12deg);opacity:.45}to{transform:scale(1.18) rotate(12deg);opacity:1}}
.choice-btn{transition:transform .14s ease,border-color .14s ease,box-shadow .14s ease}.choice-btn:hover,.choice-btn:focus-visible{box-shadow:0 12px 28px rgba(47,125,98,.1)}.choice-btn.correct{animation:bpkCorrectPop .35s ease}.choice-btn.wrong{animation:bpkTryWiggle .3s ease}@keyframes bpkCorrectPop{50%{transform:scale(1.035)}}@keyframes bpkTryWiggle{25%{transform:translateX(-3px)}75%{transform:translateX(3px)}}
@media(max-width:620px){.practice-buddy{right:8px;bottom:8px}.practice-buddy-talk{max-width:115px;padding:6px 8px}.practice-buddy-talk b{font-size:.68rem}.practice-buddy-talk em{display:none}.practice-buddy-icon{width:46px;height:46px}}
@media(prefers-reduced-motion:reduce){.practice-buddy-icon,.practice-buddy[data-state="celebrate"] .practice-buddy-icon,.practice-buddy[data-state="try"] .practice-buddy-icon,.practice-finish::before,.practice-finish::after,.choice-btn.correct,.choice-btn.wrong{animation:none!important}}

/* V1.4 subject pages: large skill blocks + visual resource tiles */
.subject-page-hero{padding:46px 0 42px;background:linear-gradient(145deg,#fffaf0,#edf8f2);border-bottom:1px solid var(--line)}
.subject-page-hero h1{font-size:clamp(3rem,6vw,5rem);line-height:.98;letter-spacing:-.04em;margin:8px 0 16px}
.skill-block-big{min-height:165px;background:linear-gradient(145deg,#fff,#f5fbf8)}
.subject-skill-section{padding:38px 0 54px;border-bottom:1px solid var(--line);scroll-margin-top:90px}
.visual-resource-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.visual-resource-tile{min-width:0;background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:0 10px 28px rgba(31,71,58,.06);transition:transform .18s ease,box-shadow .18s ease}
.visual-resource-tile:hover,.visual-resource-tile:focus-within{transform:translateY(-4px);box-shadow:0 20px 44px rgba(31,71,58,.12)}
.visual-resource-thumb{display:block;aspect-ratio:4/3;background:linear-gradient(145deg,#eef8f2,#fff4cd);overflow:hidden;border-bottom:1px solid var(--line)}
.visual-resource-thumb img{display:block;width:100%;height:100%;object-fit:cover;object-position:top center;transition:transform .25s ease}
.visual-resource-tile:hover .visual-resource-thumb img,.visual-resource-tile:focus-within .visual-resource-thumb img{transform:scale(1.025)}
.visual-resource-tile>div{padding:18px}.visual-resource-tile>div>span{display:block;color:var(--green);font-size:.75rem;font-weight:900;text-transform:uppercase;letter-spacing:.045em}.visual-resource-tile h3{font-size:1.2rem;line-height:1.2;margin:6px 0 14px}.visual-resource-tile h3 a{text-decoration:none}
.mini-actions{display:flex;gap:8px;flex-wrap:wrap}.mini-actions a{min-height:42px;display:inline-flex;align-items:center;justify-content:center;padding:9px 12px;border-radius:12px;text-decoration:none;font-weight:900;font-size:.86rem;background:var(--green);color:#fff}.mini-actions a:last-child{background:#f5f8f6;color:var(--ink);border:1px solid var(--line)}
@media(max-width:900px){.visual-resource-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.visual-resource-grid{grid-template-columns:1fr}.subject-page-hero{padding-top:34px}.skill-block-big{min-height:145px}.visual-resource-tile{border-radius:20px}}
@media(prefers-reduced-motion:reduce){.visual-resource-tile,.visual-resource-thumb img{transition:none}.visual-resource-tile:hover,.visual-resource-tile:focus-within,.visual-resource-tile:hover .visual-resource-thumb img,.visual-resource-tile:focus-within .visual-resource-thumb img{transform:none}}

/* V1.7 child-practice full-screen app mode */
body[data-practice-slug]{height:100dvh;overflow:hidden;background:#fffaf0}
body[data-practice-slug] .site-header{height:64px;min-height:64px;background:rgba(255,250,240,.98);border-bottom:1px solid #dce8e2;position:relative;z-index:20}
body[data-practice-slug] .site-header .wrap{height:100%}
body[data-practice-slug] .site-header .nav{min-height:0;height:100%;padding-top:0;padding-bottom:0}
body[data-practice-slug] .navlinks{display:none}
body[data-practice-slug] .practice-shell{height:calc(100dvh - 64px);padding:10px 0 12px;overflow:hidden}
body[data-practice-slug] .practice-shell>.wrap{height:100%;display:grid;grid-template-rows:auto minmax(0,1fr);gap:8px}
body[data-practice-slug] .breadcrumbs,body[data-practice-slug] .practice-note,body[data-practice-slug] .footer,body[data-practice-slug] .practice-top>a[download]{display:none!important}
body[data-practice-slug] .practice-top{margin:0;min-height:58px;align-items:center}
body[data-practice-slug] .practice-top h1{font-size:clamp(1.45rem,3.4vw,2.65rem);margin:.1rem 0 .2rem}
body[data-practice-slug] .practice-top p{font-size:clamp(.72rem,1.2vw,.9rem);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:70vw}
body[data-practice-slug] .practice-player{width:100%;max-width:1100px;height:100%;display:grid;grid-template-rows:auto minmax(0,1fr) auto;margin:0 auto;border-radius:26px}
body[data-practice-slug] .practice-player-head{padding:12px 18px;min-height:54px}
body[data-practice-slug] .practice-task{min-height:0;overflow:auto;overscroll-behavior:contain;padding:clamp(18px,3vw,34px)}
body[data-practice-slug] .practice-status{padding:8px 20px 14px;min-height:42px}
body[data-practice-slug] .practice-buddy{right:12px;bottom:10px}
.practice-next-row{display:flex;justify-content:flex-end;margin-top:18px}.practice-next-btn{min-width:180px;box-shadow:0 10px 24px rgba(47,125,98,.18)}
.practice-task>*{animation:bpkPracticeIn .3s ease both}@keyframes bpkPracticeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.choice-btn:active,.btn:active,.hear-instruction:active,.practice-voice-btn:active{transform:scale(.97)}
body[data-practice-slug] .practice-finish .actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
@media(max-width:720px){body[data-practice-slug] .site-header{height:58px;min-height:58px}body[data-practice-slug] .practice-shell{height:calc(100dvh - 58px);padding:6px 0 8px}body[data-practice-slug] .practice-shell>.wrap{gap:5px}body[data-practice-slug] .practice-top{min-height:48px}body[data-practice-slug] .practice-top p{display:none}body[data-practice-slug] .practice-player{border-radius:18px}body[data-practice-slug] .practice-player-head{padding:9px 12px;flex-direction:row;align-items:center}.practice-progress{max-width:55%}.practice-count{font-size:.72rem}.practice-voice-btn{margin-left:0}.practice-next-row{justify-content:stretch}.practice-next-btn{width:100%}}
@media(max-height:600px) and (min-width:621px){body[data-practice-slug] .site-header{height:52px;min-height:52px}body[data-practice-slug] .practice-shell{height:calc(100dvh - 52px);padding:4px 0}body[data-practice-slug] .practice-top{min-height:42px}body[data-practice-slug] .practice-top h1{font-size:1.45rem}body[data-practice-slug] .practice-player-head{padding:7px 14px}.practice-task{padding:14px 22px!important}.practice-task h2{font-size:1.65rem}.choice-grid{gap:8px}.choice-btn{min-height:48px}}
@media(prefers-reduced-motion:reduce){.practice-task>*,.choice-btn,.btn,.hear-instruction,.practice-voice-btn{animation:none!important;transition:none!important}}

/* V1.8 master-prompt practice immersion: app-like child canvas, central voice/audio, progressive help */
body[data-practice-slug] .site-header{display:none!important}
body[data-practice-slug] .practice-shell{height:100dvh;padding:8px 0 10px;background:radial-gradient(circle at 18% 18%,rgba(255,232,145,.48),transparent 28%),radial-gradient(circle at 84% 15%,rgba(157,224,255,.38),transparent 27%),linear-gradient(180deg,#fff8df 0%,#effbf3 100%)}
body[data-practice-slug] .practice-shell>.wrap{height:100%;max-width:1200px;grid-template-rows:auto minmax(0,1fr);gap:7px}
body[data-practice-slug] .practice-top{position:relative;display:flex;align-items:center;gap:14px;min-height:52px;padding:0 4px;margin:0}
body[data-practice-slug] .practice-top>div{min-width:0;flex:1}
body[data-practice-slug] .practice-top h1{font-size:clamp(1.35rem,2.7vw,2.35rem);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
body[data-practice-slug] .practice-top p{max-width:75vw;font-size:.82rem}
.practice-back-btn,.practice-voice-btn,.hear-instruction{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:48px;border:2px solid rgba(36,110,88,.18);background:#fff;color:#163f34;border-radius:18px;padding:10px 14px;font:inherit;font-weight:900;cursor:pointer;box-shadow:0 7px 18px rgba(35,76,62,.08);transition:transform var(--motion-fast,160ms) ease,box-shadow var(--motion-fast,160ms) ease,border-color var(--motion-fast,160ms) ease}
.practice-back-btn{flex:0 0 auto}
.practice-back-btn:active,.practice-voice-btn:active,.hear-instruction:active{transform:scale(.94)}
.practice-back-btn:focus-visible,.practice-voice-btn:focus-visible,.hear-instruction:focus-visible{outline:4px solid rgba(47,125,98,.24);outline-offset:2px}
.practice-icon{width:24px;height:24px;display:block;fill:currentColor;flex:0 0 auto}
.practice-player{border:3px solid rgba(36,110,88,.16)!important;box-shadow:0 18px 45px rgba(31,71,58,.12)!important;background:rgba(255,255,255,.96)!important}
.practice-player-head{background:linear-gradient(90deg,#f8fff9,#fff9e8)!important}
.practice-buddy-icon{background:#fffdf4!important;border:2px solid rgba(255,195,63,.32);padding:4px!important}
.practice-buddy-icon img{object-fit:contain}
.practice-finish .finish-badge{width:88px;height:88px;margin:0 auto 8px;display:grid;place-items:center}
.practice-finish .finish-badge img{display:block;width:100%;height:100%;object-fit:contain;animation:bpkRewardFloat .8s ease-in-out infinite alternate}
@keyframes bpkRewardFloat{from{transform:translateY(2px) scale(.96)}to{transform:translateY(-4px) scale(1.04)}}
.practice-hint-target{position:relative;z-index:1;animation:bpkHintPulse 1s ease-in-out infinite!important;box-shadow:0 0 0 6px rgba(255,191,54,.18),0 12px 30px rgba(47,125,98,.13)!important;border-color:#efb52f!important}
@keyframes bpkHintPulse{0%,100%{transform:scale(1);box-shadow:0 0 0 4px rgba(255,191,54,.14),0 10px 24px rgba(47,125,98,.1)}50%{transform:scale(1.025);box-shadow:0 0 0 10px rgba(255,191,54,.09),0 15px 32px rgba(47,125,98,.14)}}
.practice-hint-two .practice-buddy-icon{animation:bpkBuddyNod .42s ease-in-out 3}
.practice-hint-three .practice-buddy-talk{border-color:#efc85f;background:#fff9dc}
body[data-practice-slug] .choice-btn{min-height:78px;border-width:3px;border-radius:22px;box-shadow:0 8px 18px rgba(31,71,58,.07);font-size:clamp(1rem,2vw,1.35rem)}
body[data-practice-slug] .choice-btn:active{transform:scale(.94)}
body[data-practice-slug] .practice-task{scrollbar-width:thin;scrollbar-color:rgba(47,125,98,.25) transparent}
@media(max-width:720px){body[data-practice-slug] .practice-shell{height:100dvh;padding:5px 0 6px}body[data-practice-slug] .practice-top{min-height:46px;gap:8px}.practice-back-btn{min-height:44px;padding:8px 10px}.practice-back-btn span{display:none}.practice-icon{width:23px;height:23px}body[data-practice-slug] .practice-player{border-radius:20px!important}}
@media(max-height:600px) and (min-width:621px){body[data-practice-slug] .practice-shell{height:100dvh;padding:3px 0 4px}body[data-practice-slug] .practice-top{min-height:38px}.practice-back-btn,.practice-voice-btn,.hear-instruction{min-height:40px;padding:6px 10px}body[data-practice-slug] .practice-player-head{padding:6px 12px}body[data-practice-slug] .choice-btn{min-height:46px}}
@media(prefers-reduced-motion:reduce){.practice-hint-target,.practice-finish .finish-badge img,.practice-hint-two .practice-buddy-icon{animation:none!important}.practice-hint-target{outline:5px solid rgba(239,181,47,.45)!important}}


/* V2.0.0 website-first direction -------------------------------------------------
   The public website behaves like a website. Native apps remain the immersive child experience. */
:root{--site-max:1180px;--site-shadow:0 14px 36px rgba(25,65,52,.08);--site-radius:24px}
html{scroll-padding-top:16px}
body{background:#fbfaf5;color:#16342d}
.wrap{width:min(var(--site-max),calc(100% - 32px))}
.site-header{position:relative!important;top:auto!important;background:#fff;border-bottom:1px solid var(--line);backdrop-filter:none!important;z-index:10}
.site-head-row{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.site-head-actions{display:flex;align-items:center;gap:9px}.site-head-actions a{min-height:42px;display:inline-flex;align-items:center;padding:9px 13px;border-radius:999px;text-decoration:none;font-weight:900;font-size:.9rem}.header-play{background:var(--green);color:#fff}.header-print{background:#f4f7f5;border:1px solid var(--line)}
.nav{height:auto!important}.nav-slider-shell{border-top:1px solid #eef2ef;background:#fff}.navlinks.nav-slider{display:flex!important;gap:7px!important;overflow-x:auto;overscroll-behavior-x:contain;scroll-snap-type:x proximity;padding-top:9px;padding-bottom:10px;scrollbar-width:none;-webkit-overflow-scrolling:touch}.navlinks.nav-slider::-webkit-scrollbar{display:none}.navlinks.nav-slider a{display:inline-flex!important;flex:0 0 auto;align-items:center;min-height:40px;padding:8px 13px;border:1px solid #e4ebe7;border-radius:999px;background:#fafcfb;text-decoration:none;font-size:.88rem;font-weight:850;scroll-snap-align:start;white-space:nowrap}.navlinks.nav-slider a:hover,.navlinks.nav-slider a:focus-visible{background:#eaf6ef;border-color:#b9dacb;outline:none}
.footer{margin-top:0;background:#fff}.footer-brand{text-decoration:none}.footer-links{display:flex;gap:8px 14px;flex-wrap:wrap}.footer a{margin:0}

.web-hero{padding:clamp(44px,7vw,88px) 0 clamp(32px,5vw,64px);background:radial-gradient(circle at 90% 10%,rgba(244,198,78,.23),transparent 28%),linear-gradient(180deg,#f4fbf7 0%,#fbfaf5 100%)}
.web-hero-grid{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(340px,.98fr);gap:clamp(34px,6vw,76px);align-items:center}.web-hero h1{font-size:clamp(3rem,6.8vw,6.2rem);max-width:780px}.web-hero .lede{max-width:690px;font-size:clamp(1.05rem,1.8vw,1.3rem)}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.btn-large{min-height:54px;padding:14px 20px;font-size:1rem;border:0;cursor:pointer}.hero-facts{display:flex;gap:10px 24px;flex-wrap:wrap;margin-top:26px;color:#577169;font-size:.88rem}.hero-facts span{display:flex;align-items:baseline;gap:5px}.hero-facts b{color:var(--ink);font-size:1.1rem}.web-hero-media{position:relative;min-height:430px}.hero-preview{position:absolute;background:#fff;border:1px solid #dfe9e4;border-radius:26px;box-shadow:0 22px 55px rgba(31,71,58,.14);overflow:hidden;text-decoration:none}.hero-preview img{width:100%;height:100%;object-fit:cover;object-position:top center;display:block}.hero-preview-main{inset:20px 64px 20px 20px;display:grid;grid-template-rows:1fr auto}.hero-preview-main img{min-height:0}.hero-preview-main span{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 16px}.hero-preview-main small{color:var(--muted);font-weight:750}.hero-preview-small{width:150px;height:190px}.preview-a{right:0;top:0;transform:rotate(4deg)}.preview-b{right:2px;bottom:2px;transform:rotate(-3deg)}
.website-section{padding:clamp(46px,6vw,76px) 0}.soft-band{background:#f2f7f4;border-block:1px solid #e5ede8}.section-heading-row{display:flex;justify-content:space-between;align-items:end;gap:22px;margin-bottom:24px}.section-heading-row h2{font-size:clamp(2rem,4vw,3.4rem);line-height:1.03;margin:6px 0 8px;letter-spacing:-.035em}.section-heading-row p{margin:0;color:var(--muted);max-width:720px}.text-link,.button-link{font-weight:900;color:var(--green);text-decoration:none;white-space:nowrap}.button-link{border:0;background:transparent;padding:0;cursor:pointer;font:inherit}
.start-choice-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.start-choice{min-height:190px;display:grid;grid-template-rows:78px auto auto;align-content:start;gap:10px;padding:18px;border-radius:24px;border:1px solid var(--line);background:#fff;text-decoration:none;color:inherit;box-shadow:var(--site-shadow);text-align:left;cursor:pointer}.start-choice img{width:78px;height:78px;object-fit:contain}.start-choice strong{font-size:1.2rem;display:block}.start-choice small{display:block;color:var(--muted);line-height:1.35;margin-top:4px}.start-choice>b{margin-top:auto;color:var(--green);font-size:.88rem}.play-choice{border-top:5px solid #55a57f}.print-choice{border-top:5px solid #f1b749}.age-choice{border-top:5px solid #6a98e8}.parent-choice{border-top:5px solid #8d72d6}
.subject-web-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.subject-web-card{min-height:180px;padding:20px;border-radius:22px;background:#fff;border:1px solid var(--line);text-decoration:none;display:grid;grid-template-columns:68px 1fr;grid-template-rows:auto 1fr;gap:5px 14px;align-items:center}.subject-web-card img{grid-row:1/3;width:68px;height:68px;object-fit:contain}.subject-web-card strong{font-size:1.14rem}.subject-web-card small{color:var(--muted);line-height:1.35}.subject-web-card:hover{box-shadow:var(--site-shadow);transform:translateY(-2px)}
.content-and-ad{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:30px;align-items:start}.featured-content-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.content-card{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:0 10px 28px rgba(31,71,58,.06)}.content-thumb{display:block;aspect-ratio:4/3;background:#eef6f1;overflow:hidden}.content-thumb img{width:100%;height:100%;object-fit:cover;object-position:top center;display:block}.content-card>div{padding:15px}.content-card span{display:block;color:var(--green);font-size:.73rem;text-transform:uppercase;letter-spacing:.04em;font-weight:900}.content-card h3{font-size:1.05rem;line-height:1.2;margin:6px 0 14px}.content-card h3 a{text-decoration:none}.mini-cta{display:inline-flex;min-height:40px;align-items:center;justify-content:center;padding:8px 12px;border:0;border-radius:11px;background:var(--green);color:#fff;text-decoration:none;font-weight:900;font-size:.85rem;cursor:pointer}.secondary-mini{background:#f5f8f6;color:var(--ink);border:1px solid var(--line)}
.age-web-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.age-web-card{min-height:240px;border-radius:24px;padding:20px;text-decoration:none;display:grid;grid-template-rows:120px auto;background:#fff;border:1px solid var(--line);overflow:hidden}.age-web-card img{width:100%;height:120px;object-fit:cover;border-radius:16px}.age-web-card span{padding-top:14px}.age-web-card b{display:block;color:var(--green);font-size:.78rem}.age-web-card strong{display:block;font-size:1.35rem;margin:3px 0 5px}.age-web-card small{color:var(--muted);line-height:1.4}.age-little{background:#fff9dd}.age-adventure{background:#edf8f1}.age-quest{background:#eef2fb}
.app-bridge-card{border-radius:30px;background:#173f35;color:#fff;padding:clamp(26px,4vw,48px);display:grid;grid-template-columns:1fr 260px;gap:32px;align-items:center}.app-bridge-card h2{font-size:clamp(2rem,4vw,3.2rem);line-height:1.02;margin:7px 0 14px}.app-bridge-card p{color:#dbe9e4;max-width:760px}.app-bridge-card .eyebrow{color:#9fe0c2}.app-bridge-card .btn-secondary{background:#fff}.phone-preview{width:230px;height:420px;border:10px solid #0d2822;border-radius:38px;background:#fff;padding:10px;justify-self:end;box-shadow:0 22px 40px rgba(0,0,0,.22)}.phone-screen{height:100%;border-radius:24px;background:#f0f8f4;overflow:hidden;display:grid;grid-template-rows:1fr auto}.phone-screen img{width:100%;height:100%;object-fit:cover}.phone-screen span{padding:16px;color:var(--ink);font-weight:900;text-align:center}
.trust-web-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.trust-web-grid>div{padding:22px;border-top:4px solid var(--green);background:#fff;border-radius:18px}.trust-web-grid strong{font-size:1.05rem}.trust-web-grid p{color:var(--muted);margin-bottom:0}
.adult-help-backdrop[hidden]{display:none}.adult-help-backdrop{position:fixed;inset:0;z-index:100;background:rgba(15,43,35,.55);display:grid;place-items:center;padding:18px}.adult-help-card{position:relative;width:min(520px,100%);background:#fff;border-radius:26px;padding:28px;text-align:center;box-shadow:0 30px 80px rgba(0,0,0,.25)}.adult-help-card>img{width:130px;height:100px;object-fit:cover;border-radius:18px;margin-bottom:10px}.adult-help-card h2{font-size:clamp(1.8rem,5vw,2.6rem);margin:5px 0 10px}.adult-help-card p{color:var(--muted)}.adult-help-close{position:absolute;right:14px;top:12px;width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:#fff;font-size:1.5rem;cursor:pointer}.adult-help-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:20px}

/* Searchable web catalogues */
.catalog-hero{padding:clamp(46px,7vw,82px) 0 34px;background:linear-gradient(180deg,#eef8f2,#fbfaf5)}.print-catalog-hero{background:linear-gradient(180deg,#fff6dc,#fbfaf5)}.catalog-hero h1{font-size:clamp(2.7rem,6vw,5.4rem);max-width:950px}.catalog-stats{display:flex;gap:12px 28px;flex-wrap:wrap;margin-top:24px}.catalog-stats span{color:var(--muted)}.catalog-stats b{color:var(--ink);font-size:1.2rem}.catalog-section{padding:34px 0 74px}.catalog-toolbar{display:grid;grid-template-columns:minmax(260px,1.4fr) minmax(170px,.6fr) minmax(190px,.8fr);gap:12px;padding:16px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--site-shadow);scroll-margin-top:12px}.catalog-toolbar label{display:grid;gap:5px;font-size:.78rem;font-weight:900;color:#506b62}.catalog-toolbar input,.catalog-toolbar select{width:100%;min-height:48px;border:1px solid #cfdcd5;border-radius:12px;background:#fff;padding:10px 12px;font:inherit;font-size:16px;color:var(--ink)}.catalog-result-row{display:flex;justify-content:space-between;gap:16px;align-items:center;margin:22px 2px 14px}.catalog-result-row p{margin:0;font-weight:900}.catalog-result-row a{color:var(--green);font-weight:900;text-decoration:none}.catalog-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px}.catalog-card{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:0 8px 24px rgba(31,71,58,.05)}.catalog-thumb{display:block;aspect-ratio:4/3;background:#eef5f1;overflow:hidden}.catalog-thumb img{width:100%;height:100%;object-fit:cover;object-position:top;display:block}.catalog-card-body{padding:14px}.catalog-card-body>span{font-size:.68rem;color:var(--green);font-weight:900;text-transform:uppercase;letter-spacing:.04em}.catalog-card h2{font-size:1rem;line-height:1.2;margin:5px 0}.catalog-card h2 a{text-decoration:none}.catalog-card p{font-size:.78rem;color:var(--muted);margin:0 0 12px;line-height:1.35}.catalog-actions{display:flex;gap:7px;flex-wrap:wrap}.catalog-actions a{min-height:38px;display:inline-flex;align-items:center;justify-content:center;padding:8px 10px;border-radius:10px;text-decoration:none;font-weight:900;font-size:.75rem}.catalog-primary{background:var(--green);color:#fff}.catalog-secondary{background:#f3f7f5;color:var(--ink);border:1px solid var(--line)}.catalog-pager{display:flex;justify-content:center;align-items:center;gap:12px;margin-top:28px}.catalog-pager button{min-height:44px;padding:9px 15px;border:1px solid var(--line);border-radius:12px;background:#fff;font-weight:900;color:var(--ink);cursor:pointer}.catalog-pager button:disabled{opacity:.45;cursor:default}.catalog-empty{grid-column:1/-1;padding:50px;text-align:center;background:#fff;border:1px solid var(--line);border-radius:20px}

/* Practice stays inside the website rather than pretending to be the native app. */
body[data-practice-slug]{height:auto!important;min-height:100dvh;overflow:auto!important;background:#fbfaf5!important}
body[data-practice-slug] .site-header{display:block!important;height:auto!important;min-height:0!important;position:relative!important}
body[data-practice-slug] .practice-shell{height:auto!important;min-height:calc(100dvh - 120px);padding:34px 0 54px!important;background:linear-gradient(180deg,#f5faf7,#fbfaf5)!important;overflow:visible!important}
body[data-practice-slug] .practice-shell>.wrap{height:auto!important;display:block!important;max-width:1080px!important}
body[data-practice-slug] .breadcrumbs{display:flex!important;margin-bottom:18px!important}
body[data-practice-slug] .practice-top{min-height:0!important;margin:0 0 18px!important;padding:0!important;display:flex!important;align-items:end!important}
body[data-practice-slug] .practice-top h1{white-space:normal!important;overflow:visible!important;text-overflow:clip!important}
body[data-practice-slug] .practice-top p{display:block!important;white-space:normal!important;max-width:760px!important}
body[data-practice-slug] .practice-player{height:auto!important;min-height:520px!important;border-radius:24px!important;background:#fff!important}
body[data-practice-slug] .practice-task{min-height:350px!important;overflow:visible!important;padding:clamp(20px,4vw,38px)!important}
body[data-practice-slug] .practice-note{display:block!important;margin-top:16px}
body[data-practice-slug] .footer{display:block!important}
body[data-practice-slug] .practice-buddy{display:none!important}
body[data-practice-slug] .practice-voice-btn{display:none!important}
body[data-practice-slug] input,body[data-practice-slug] textarea,body[data-practice-slug] select{font-size:16px!important;min-height:48px}
body[data-practice-slug] textarea{min-height:150px!important;width:100%!important}
body[data-practice-slug] .choice-btn{min-height:64px!important;font-size:clamp(1rem,2vw,1.25rem)!important}
body[data-practice-slug] .hear-instruction{min-height:46px!important;background:#f4f8f6!important}

@media(max-width:980px){.web-hero-grid{grid-template-columns:1fr}.web-hero-media{min-height:360px;max-width:660px;width:100%}.start-choice-grid{grid-template-columns:repeat(2,1fr)}.subject-web-grid{grid-template-columns:repeat(2,1fr)}.content-and-ad{grid-template-columns:1fr}.catalog-grid{grid-template-columns:repeat(3,1fr)}.app-bridge-card{grid-template-columns:1fr 200px}.phone-preview{width:190px;height:350px}.site-head-actions .header-print{display:none}}
@media(max-width:720px){.wrap{width:min(100% - 20px,var(--site-max))}.site-head-row{min-height:62px}.brand{font-size:1.05rem}.brand-mark{width:38px;height:38px}.site-head-actions a{font-size:.78rem;min-height:38px;padding:7px 10px}.navlinks.nav-slider{width:100%;padding-left:10px;padding-right:10px}.web-hero{padding-top:36px}.web-hero h1{font-size:clamp(2.7rem,13vw,4.7rem)}.web-hero-media{min-height:300px}.hero-preview-main{inset:18px 50px 8px 0}.hero-preview-small{width:112px;height:145px}.hero-facts{gap:7px 16px}.website-section{padding:42px 0}.section-heading-row{align-items:start;flex-direction:column}.start-choice-grid,.subject-web-grid,.age-web-grid{grid-template-columns:1fr}.start-choice{min-height:126px;grid-template-columns:68px 1fr;grid-template-rows:auto auto;padding:14px}.start-choice img{grid-row:1/3;width:64px;height:64px}.start-choice>b{grid-column:2}.subject-web-card{min-height:118px}.featured-content-grid{grid-template-columns:repeat(2,1fr);gap:10px}.content-card>div{padding:11px}.content-card h3{font-size:.92rem}.age-web-card{min-height:170px;grid-template-columns:112px 1fr;grid-template-rows:auto;gap:14px;padding:12px}.age-web-card img{width:112px;height:112px}.age-web-card span{padding:5px 0}.app-bridge-card{grid-template-columns:1fr}.phone-preview{display:none}.trust-web-grid{grid-template-columns:1fr}.catalog-toolbar{grid-template-columns:1fr}.catalog-grid{grid-template-columns:repeat(2,1fr);gap:9px}.catalog-result-row{align-items:flex-start;flex-direction:column}.catalog-card-body{padding:10px}.catalog-card h2{font-size:.9rem}.catalog-actions a{width:100%}body[data-practice-slug] .practice-shell{padding:22px 0 42px!important}body[data-practice-slug] .practice-top{align-items:flex-start!important;flex-direction:column!important}body[data-practice-slug] .practice-player{min-height:0!important;border-radius:18px!important}body[data-practice-slug] .practice-task{min-height:330px!important;padding:16px!important}body[data-practice-slug] .choice-grid{grid-template-columns:1fr!important}body[data-practice-slug] .choice-btn{min-height:58px!important}body[data-practice-slug] .practice-back-btn{display:none!important}}
@media(max-width:470px){.featured-content-grid{grid-template-columns:1fr 1fr}.content-thumb{aspect-ratio:1.1/1}.content-card span{font-size:.6rem}.content-card h3{font-size:.82rem}.mini-cta{width:100%;font-size:.75rem}.catalog-grid{grid-template-columns:1fr}.web-hero-media{min-height:255px}.hero-preview-main{right:42px}.hero-preview-main span{padding:10px;font-size:.8rem}.hero-preview-small{width:92px;height:118px}}
@media(prefers-reduced-motion:reduce){.subject-web-card:hover{transform:none}.catalog-pager *{scroll-behavior:auto!important}}


/* V2.0.1 footer, navigation and visual polish -------------------------------- */
:focus-visible{outline:3px solid #e4aa25;outline-offset:3px}
.nav-slider-shell{position:relative}
.navlinks.nav-slider a[aria-current="page"]{background:#173f35;color:#fff;border-color:#173f35;box-shadow:0 5px 14px rgba(23,63,53,.13)}
.navlinks.nav-slider a{transition:background .16s ease,border-color .16s ease,color .16s ease,transform .16s ease}
.navlinks.nav-slider a:active{transform:translateY(1px)}
.start-choice,.subject-web-card,.content-card,.age-web-card,.catalog-card{transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.start-choice:hover,.start-choice:focus-visible,.subject-web-card:hover,.subject-web-card:focus-visible,.content-card:hover,.age-web-card:hover,.age-web-card:focus-visible,.catalog-card:hover{transform:translateY(-3px);box-shadow:0 16px 38px rgba(25,65,52,.11);border-color:#cfddd5}
.start-choice:active,.subject-web-card:active,.age-web-card:active{transform:translateY(0)}

.footer{border-top:1px solid #dfe8e3;padding:52px 0 0!important;background:linear-gradient(180deg,#fff,#f5f8f6)!important;color:var(--ink)}
.footer-main-grid{display:grid;grid-template-columns:minmax(260px,1.35fr) repeat(3,minmax(150px,.75fr));gap:clamp(28px,4vw,54px);padding-bottom:38px}
.footer-about{max-width:370px}.footer-about p{color:var(--muted);font-size:.9rem;line-height:1.55;margin:18px 0 0}
.footer-brand{display:flex;align-items:center;gap:12px!important;color:var(--ink)!important;text-decoration:none!important}
.footer-brand-mark{width:48px;height:48px;border-radius:15px;background:#eaf5ef;display:grid;place-items:center;flex:0 0 auto}.footer-brand-mark img{display:block;width:42px;height:42px}
.footer-brand strong{display:block;font-size:1.15rem;letter-spacing:-.01em}.footer-brand small{display:block;color:var(--muted);font-size:.78rem;margin-top:1px}
.footer-column{display:flex;flex-direction:column;align-items:flex-start;gap:8px}.footer-column h2{font-size:.78rem;text-transform:uppercase;letter-spacing:.07em;color:#4f6a61;margin:2px 0 5px}.footer-column a{color:#3e5c53!important;font-size:.88rem;line-height:1.35;padding:2px 0}.footer-column a:hover{text-decoration:underline;text-underline-offset:3px}
.footer-bottom{min-height:64px;border-top:1px solid #dfe8e3;display:flex;align-items:center;justify-content:space-between;gap:18px;padding-top:14px;padding-bottom:14px}.footer-bottom p{margin:0;color:#65776f;font-size:.78rem}.footer-bottom a{color:#526b62!important;text-decoration:none}.footer-bottom a:hover{text-decoration:underline}
.sitemap-site-grid{margin-top:22px}
@media(max-width:900px){.footer-main-grid{grid-template-columns:1.25fr 1fr 1fr}.footer-about{grid-column:1/-1;max-width:620px}}
@media(max-width:620px){.footer{padding-top:38px!important}.footer-main-grid{grid-template-columns:1fr 1fr;gap:28px 22px}.footer-about{grid-column:1/-1}.footer-bottom{align-items:flex-start;flex-direction:column;justify-content:center;gap:4px;padding-top:16px;padding-bottom:18px}.footer-column a{font-size:.86rem}.footer-column h2{font-size:.74rem}}
@media(max-width:390px){.footer-main-grid{grid-template-columns:1fr}.footer-about{grid-column:auto}.footer-column{border-top:1px solid #e1e9e4;padding-top:18px}}
@media(prefers-reduced-motion:reduce){.start-choice,.subject-web-card,.content-card,.age-web-card,.catalog-card,.navlinks.nav-slider a{transition:none!important}}

/* V2.1.0 public-launch audit: shorter pages, progressive disclosure, mobile clarity */
.skip-link{position:fixed;left:12px;top:10px;z-index:9999;transform:translateY(-160%);background:#173f35;color:#fff!important;padding:10px 14px;border-radius:10px;font-weight:900;text-decoration:none;transition:transform .15s ease}.skip-link:focus{transform:translateY(0)}
body.modal-open{overflow:hidden}
[data-managed-sponsor][hidden]{display:none!important}
.public-launch-hero{padding-bottom:58px}
.compact-start{padding-top:54px;padding-bottom:58px}.compact-subjects{padding-top:58px;padding-bottom:62px}
.featured-learning-section{padding-top:60px;padding-bottom:66px}.featured-split-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.featured-column{min-width:0;border:1px solid var(--line);border-radius:26px;background:#fff;padding:18px;box-shadow:0 10px 28px rgba(31,71,58,.05)}.print-featured-column{background:#fffdf7}.featured-column-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:16px}.featured-column-head>div{display:grid;gap:3px}.featured-column-head strong{font-size:1.15rem}.featured-column-head span{font-size:.8rem;color:var(--muted)}.featured-column-head>a,.featured-column-head>button{font-weight:900;white-space:nowrap}.featured-three{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.featured-three .content-card{box-shadow:none}.featured-three .content-card h3{font-size:.92rem}
.public-trust-section{padding:62px 0 68px;background:linear-gradient(180deg,#f4f9f6,#fbfaf5)}.public-trust-layout{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:22px;align-items:stretch}.parent-invite-card{border-radius:26px;background:#173f35;color:#fff;padding:clamp(24px,4vw,42px)}.parent-invite-card .eyebrow{color:#bfe6d6}.parent-invite-card h2{font-size:clamp(1.8rem,3vw,2.8rem);margin:7px 0 12px}.parent-invite-card p{color:#e0eee8;line-height:1.65}.parent-invite-card .actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.parent-invite-card .btn-secondary{background:#fff;color:#173f35;border-color:#fff}.compact-trust{grid-template-columns:1fr;gap:10px}.compact-trust>div{min-height:0;padding:20px 22px;border-top:0;border-left:4px solid var(--green);background:#fff;box-shadow:0 8px 22px rgba(31,71,58,.04)}.compact-trust p{margin-bottom:0}

/* Native details/summary keeps subject pages useful without 20+ mobile screens of cards. */
.skill-accordion{padding:0!important;border:1px solid var(--line)!important;border-radius:20px;margin:12px 0;background:#fff;overflow:clip;scroll-margin-top:18px}.skill-accordion[open]{box-shadow:0 12px 30px rgba(31,71,58,.07);border-color:#cddfd6!important}.skill-section-summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px;min-height:82px}.skill-section-summary::-webkit-details-marker{display:none}.skill-section-summary::after{content:"+";width:34px;height:34px;border-radius:50%;background:#edf6f1;color:var(--green);display:grid;place-items:center;font-size:1.35rem;font-weight:900;flex:0 0 auto}.skill-accordion[open]>.skill-section-summary::after{content:"−"}.skill-section-summary>div{min-width:0}.skill-section-summary h2{font-size:clamp(1.15rem,2.2vw,1.55rem)!important;margin:1px 0 3px!important}.skill-section-summary p{font-size:.84rem;margin:0;color:var(--muted)}.skill-section-summary>div>span{font-size:1.2rem!important}.skill-accordion>.visual-resource-grid{padding:0 20px 22px}.skill-accordion-back{padding:0 20px 20px}.skill-accordion-back a{font-weight:900;color:var(--green)}.world-resource-list{padding-top:16px;padding-bottom:60px}

.catalog-toolbar{grid-template-columns:minmax(250px,1.35fr) minmax(150px,.55fr) minmax(180px,.72fr) auto;align-items:end}.catalog-clear{min-height:48px;padding:10px 14px;border:1px solid #cfdcd5;border-radius:12px;background:#f7faf8;color:var(--ink);font:inherit;font-size:.82rem;font-weight:900;cursor:pointer;white-space:nowrap}.catalog-clear:hover{background:#edf5f1}.catalog-section{padding-top:28px}.catalog-pager{position:relative}.catalog-pager span{font-size:.82rem;color:var(--muted);font-weight:800}

.site-notice{background:#173f35;color:#fff}.site-notice>.wrap{min-height:42px;display:flex;align-items:center;justify-content:center;gap:14px;text-align:center;font-size:.82rem;font-weight:800}.site-notice a{color:#fff;text-decoration:underline;text-underline-offset:3px}.managed-sponsor{width:min(100% - 28px,var(--site-max));margin:24px auto;border:1px solid #dfe8e3;border-radius:18px;background:#fff;padding:16px 20px;display:flex;gap:16px;align-items:flex-start}.managed-sponsor-label{font-size:.65rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase;color:#6b7f77;background:#eff4f1;padding:5px 7px;border-radius:6px}.managed-sponsor>div{display:grid;gap:3px}.managed-sponsor strong{font-size:.95rem}.managed-sponsor p{margin:0;color:var(--muted);font-size:.84rem;line-height:1.45}.managed-sponsor a{font-size:.82rem;font-weight:900;color:var(--green);margin-top:3px}

@media(max-width:980px){.featured-split-grid,.public-trust-layout{grid-template-columns:1fr}.featured-three{grid-template-columns:repeat(3,minmax(0,1fr))}.catalog-toolbar{grid-template-columns:1fr 1fr}.catalog-search{grid-column:1/-1}.catalog-clear{width:100%}}
@media(max-width:720px){.public-launch-hero{padding-bottom:42px}.compact-start,.compact-subjects,.featured-learning-section,.public-trust-section{padding-top:42px;padding-bottom:46px}.featured-column{padding:14px;border-radius:20px}.featured-column-head{align-items:flex-start}.featured-three{display:flex!important;overflow-x:auto;scroll-snap-type:x mandatory;gap:10px;padding-bottom:6px;overscroll-behavior-inline:contain}.featured-three .content-card{flex:0 0 min(72vw,245px);scroll-snap-align:start}.skill-picker{padding:34px 0 36px}.skill-section-summary{min-height:74px;padding:16px}.skill-accordion>.visual-resource-grid{padding:0 14px 16px}.skill-accordion-back{padding:0 14px 16px}.catalog-toolbar{grid-template-columns:1fr}.catalog-search{grid-column:auto}.site-notice>.wrap{justify-content:flex-start;text-align:left;overflow-x:auto;white-space:nowrap}.managed-sponsor{margin:16px 10px;width:calc(100% - 20px)}.parent-invite-card{border-radius:22px}.parent-invite-card .actions .btn{width:100%}}
@media(max-width:470px){.start-choice-grid{gap:10px}.start-choice{min-height:112px}.subject-web-grid{gap:10px}.subject-web-card{min-height:104px}.age-web-card{min-height:150px}.catalog-pager{gap:8px}.catalog-pager button{padding:9px 11px}.catalog-pager span{font-size:.72rem}}
@media(prefers-reduced-motion:reduce){.skill-accordion,.featured-three{scroll-behavior:auto!important}.skip-link{transition:none}}

/* Subject jump navigation is a compact horizontal website control, not a second full card wall. */
.subject-page-hero + .skill-picker{padding:26px 0 30px}.subject-page-hero + .skill-picker .section-heading-compact{margin-bottom:14px}.subject-page-hero + .skill-picker .section-heading-compact h2{font-size:clamp(1.35rem,2.6vw,2rem)}.subject-page-hero + .skill-picker .skill-block-grid{display:flex;overflow-x:auto;gap:10px;scroll-snap-type:x proximity;padding:2px 2px 8px;overscroll-behavior-inline:contain}.subject-page-hero + .skill-picker .skill-block-big{flex:0 0 235px;min-height:86px;padding:12px 14px;border-radius:16px;scroll-snap-align:start;grid-template-columns:42px 1fr;gap:10px}.subject-page-hero + .skill-picker .skill-icon{width:40px;height:40px;font-size:1rem}.subject-page-hero + .skill-picker .skill-copy small{display:none}.subject-page-hero + .skill-picker .skill-copy strong{font-size:.92rem}.subject-page-hero + .skill-picker .skill-copy em{font-size:.68rem}.subject-page-hero + .skill-picker .skill-arrow{display:none}
@media(max-width:600px){.subject-page-hero + .skill-picker{padding:22px 0 24px}.subject-page-hero + .skill-picker .skill-block-grid{grid-template-columns:none!important}.subject-page-hero + .skill-picker .skill-block-big{flex-basis:195px;min-height:78px}.subject-page-hero + .skill-picker .skill-icon{width:36px;height:36px}.subject-page-hero + .skill-picker .section-heading-compact h2{font-size:1.35rem}}


/* V2.2.0 search discovery + school-stage landing pages */
.seo-discovery-section{background:#fff}.seo-grade-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.seo-grade-grid a{display:flex;flex-direction:column;gap:4px;padding:20px;border:1px solid var(--line);border-radius:20px;background:#fff;text-decoration:none;box-shadow:0 7px 22px rgba(31,71,58,.04)}.seo-grade-grid a:hover,.seo-grade-grid a:focus-visible{border-color:#82b9a4;box-shadow:0 12px 28px rgba(31,71,58,.09);outline:none}.seo-grade-grid b{font-size:1.08rem}.seo-grade-grid span{color:var(--muted);font-size:.9rem}.seo-age-quicklinks{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:18px;color:var(--muted)}.seo-age-quicklinks a,.seo-library-stage-links a{font-weight:800;color:var(--green)}
.seo-landing-hero{padding:54px 0;background:linear-gradient(145deg,#fffaf0,#eef8f2);border-bottom:1px solid var(--line)}.seo-landing-hero-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:36px;align-items:center}.seo-landing-hero h1{font-size:clamp(2.7rem,5.8vw,5rem);line-height:1;letter-spacing:-.045em;margin:12px 0 20px}.seo-stage-box{background:#173f35;color:#fff;border-radius:28px;padding:28px}.seo-stage-box>strong{display:block;font-size:1.55rem}.seo-stage-box p{color:#dce9e4}.seo-skill-chips{display:flex;flex-wrap:wrap;gap:8px}.seo-skill-chips span{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);padding:8px 10px;border-radius:999px;font-size:.85rem}.seo-trust-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px}.seo-trust-row span{background:#fff;border:1px solid var(--line);padding:9px 11px;border-radius:999px;font-weight:750;font-size:.88rem}.seo-resource-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.seo-resource-card{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;display:flex;flex-direction:column;min-width:0;box-shadow:0 7px 24px rgba(31,71,58,.04)}.seo-resource-thumb{aspect-ratio:16/10;background:#f4f8f6;overflow:hidden;display:block}.seo-resource-thumb img{width:100%;height:100%;object-fit:cover;object-position:top}.seo-resource-body{padding:16px;display:flex;flex-direction:column;flex:1}.seo-resource-body>span{font-size:.8rem;color:var(--muted)}.seo-resource-body h3{font-size:1.05rem;line-height:1.25;margin:7px 0}.seo-resource-body h3 a{text-decoration:none}.seo-resource-body p{font-size:.86rem;color:var(--muted);margin:auto 0 12px}.seo-card-actions{display:flex;gap:8px;flex-wrap:wrap}.seo-help-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}.seo-help-grid article{background:#fff;border:1px solid var(--line);border-radius:24px;padding:26px}.seo-help-grid h2{font-size:1.6rem}.seo-library-stage-links{display:flex;align-items:center;flex-wrap:wrap;gap:11px;padding:16px 0 0}.seo-library-stage-links strong{margin-right:4px}
@media(max-width:1000px){.seo-resource-grid{grid-template-columns:repeat(3,1fr)}.seo-grade-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:760px){.seo-landing-hero-grid,.seo-help-grid{grid-template-columns:1fr}.seo-resource-grid{grid-template-columns:repeat(2,1fr)}.seo-grade-grid{grid-template-columns:repeat(2,1fr)}.seo-stage-box{padding:22px}.seo-landing-hero{padding:38px 0}.seo-landing-hero h1{font-size:2.7rem}}
@media(max-width:480px){.seo-resource-grid{grid-template-columns:1fr}.seo-grade-grid{grid-template-columns:1fr 1fr}.seo-grade-grid a{padding:15px}.seo-trust-row span{font-size:.8rem}.seo-card-actions .mini-cta{min-height:44px;display:inline-flex;align-items:center}}