:root{--ink:#10143d;--muted:#4a4f73;--bg:#fffaf3;--card:#ffffff;--line:#ece4d6;--green:#2fbf9a;--green-soft:#e3f7f1;--purple:#6c5ce7;--purple-soft:#eeebff;--orange:#ff7a45;--orange-soft:#fff0e8;--focus:#1a73e8;--radius:18px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
img{max-width:100%}
a{color:var(--purple)}
a:focus-visible,button:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
.wrap{max-width:1040px;margin:0 auto;padding:0 16px}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:8px;background:#fff;padding:8px;z-index:9}
.site-header{background:rgba(255,250,243,.95);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5;backdrop-filter:blur(6px)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:68px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.brand span{display:flex;flex-direction:column;line-height:1.15}.brand strong{font-size:20px}.brand small{color:var(--muted);font-size:13px}
nav{display:flex;gap:6px;flex-wrap:wrap}
nav a{text-decoration:none;color:var(--ink);padding:8px 14px;border-radius:999px;border:1px solid var(--line);background:#fff;font-weight:600;font-size:15px}
nav a[aria-current=page]{background:var(--ink);color:#fff;border-color:var(--ink)}
main{min-height:60vh;outline:none}
h1{font-size:clamp(32px,5vw,52px);line-height:1.08;margin:0 0 14px;letter-spacing:-.02em}
h2{font-size:clamp(24px,3vw,32px);line-height:1.2;margin:0 0 10px}
h3{font-size:20px;margin:0 0 6px}
.lead{font-size:clamp(18px,2.2vw,21px);color:var(--muted);max-width:640px}
.hero{padding:48px 0 28px;display:grid;grid-template-columns:1.3fr 1fr;gap:28px;align-items:center}
.hero-art{background:linear-gradient(140deg,var(--green-soft),var(--purple-soft));border-radius:28px;padding:26px;display:grid;place-items:center;min-height:260px}
.hero-art img{width:180px}
.pill{display:inline-block;background:var(--orange-soft);color:#a33d12;font-weight:700;font-size:13px;padding:4px 12px;border-radius:999px;margin-bottom:12px}
.btn{display:inline-block;background:var(--ink);color:#fff;text-decoration:none;font-weight:700;padding:13px 22px;border-radius:999px;border:0;font-size:16px;cursor:pointer}
.btn.secondary{background:#fff;color:var(--ink);border:2px solid var(--ink)}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
section{padding:26px 0}
.grid{display:grid;gap:16px}
.g3{grid-template-columns:repeat(3,1fr)}.g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.grade-card{text-decoration:none;color:var(--ink);display:flex;flex-direction:column;gap:6px;border-top:8px solid var(--green);transition:transform .15s}
.grade-card:hover{transform:translateY(-3px)}
.grade-card.purple{border-top-color:var(--purple)}.grade-card.orange{border-top-color:var(--orange)}
.grade-card .ages{color:var(--muted);font-size:14px}
.grade-card .go{margin-top:auto;font-weight:700;color:var(--purple)}
.steps-list{counter-reset:s;list-style:none;padding:0;margin:0}
.steps-list li{counter-increment:s;position:relative;padding-left:44px;margin:10px 0}
.steps-list li::before{content:counter(s);position:absolute;left:0;top:0;width:30px;height:30px;border-radius:50%;background:var(--purple-soft);color:var(--purple);font-weight:800;display:grid;place-items:center}
.lesson-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.lesson-list a{display:flex;justify-content:space-between;gap:12px;align-items:center;text-decoration:none;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;font-weight:700}
.lesson-list .meta{color:var(--muted);font-weight:500;font-size:14px;white-space:nowrap}
.crumbs{font-size:14px;color:var(--muted);margin:20px 0 6px}.crumbs a{color:var(--muted)}
.goal{background:var(--green-soft);border-radius:14px;padding:14px 18px;margin:14px 0 22px}
.lesson-body p{max-width:720px}
.box{border-radius:var(--radius);padding:22px;margin:22px 0}
.box.activity{background:var(--purple-soft)}.box.talk{background:var(--orange-soft)}.box.teacher{background:#f3f4f8;border:1px dashed #c9cbe0}
.quiz fieldset{border:1px solid var(--line);border-radius:14px;padding:16px;margin:0 0 14px;background:#fff}
.quiz legend{font-weight:700;padding:0 6px}
.quiz label{display:block;padding:8px 10px;border-radius:10px;cursor:pointer}
.quiz label:hover{background:#f6f3ec}
.quiz input{margin-right:8px;accent-color:var(--purple)}
.feedback{margin:6px 0 0;font-size:15px;min-height:1px}
.feedback.ok{color:#11785d}.feedback.no{color:#a33d12}
.nav-lessons{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;margin:28px 0}
.notice{background:#fff;border-left:5px solid var(--orange);padding:12px 16px;border-radius:8px;font-size:15px}
.fine{font-size:13px;color:var(--muted)}
.site-footer{border-top:1px solid var(--line);margin-top:40px;padding:22px 0;font-size:15px;color:var(--muted)}
.site-footer a{color:var(--ink)}
.print-only{display:none}
@media (max-width:820px){.hero{grid-template-columns:1fr;padding-top:28px}.hero-art{min-height:180px}.hero-art img{width:130px}.g3,.g2{grid-template-columns:1fr}}
@media (max-width:420px){body{font-size:16px}.brand small{display:none}nav a{padding:7px 11px;font-size:14px}}
@media print{.site-header,.site-footer,.no-print,.actions,.nav-lessons,.quiz button{display:none!important}body{background:#fff;font-size:12pt}.box{border:1px solid #ccc;background:#fff!important}.print-only{display:block}a{color:#000;text-decoration:none}.card{border:1px solid #ccc}}