:root{color-scheme:light;--ink:#20302e;--muted:#596962;--pine:#104a3d;--pine-dark:#06372e;--mint:#e4f2ed;--gold:#c59b52;--paper:#fcf9f4;--line:#dce6df}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);direction:rtl;font:16px/2 Tahoma,system-ui,-apple-system,"Segoe UI",sans-serif;overflow-wrap:anywhere}a{color:var(--pine)}a:hover{color:#086957}a:focus-visible{outline:3px solid var(--gold);outline-offset:3px}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(1.55rem,3vw,2.3rem);line-height:1.65}h2{font-size:1.35rem}h3{font-size:1.05rem}small,.muted{color:var(--muted)}.wrap{width:min(1100px,calc(100% - 36px));margin-inline:auto}.topbar{position:relative;background:#fff;border-bottom:1px solid var(--line)}.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:14px;padding-block:12px}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink);font-weight:800}.brand-mark{display:grid;place-items:center;flex-shrink:0;width:43px;height:43px;background:var(--pine);color:#fff;border-radius:14px;font-size:1.25rem}.brand span:last-child{line-height:1.6}.brand small{display:block;font-weight:400;font-size:.77rem}.top-link{white-space:nowrap;font-weight:700;text-decoration:none;border:1px solid var(--line);border-radius:12px;padding:4px 12px}.breadcrumbs{padding:17px 0;color:var(--muted);font-size:.88rem;line-height:1.9}.breadcrumbs a{text-decoration:none}.panel{background:#fff;border:1px solid var(--line);border-radius:24px;padding:clamp(20px,3.8vw,42px);box-shadow:0 12px 38px #183f2910;margin-bottom:24px}.eyebrow{display:inline-block;background:var(--mint);color:var(--pine);border-radius:100px;padding:0 12px;font-size:.8rem;font-weight:700;margin-bottom:13px}.lead{color:var(--muted);max-width:82ch;line-height:2.15}.summary{line-height:2.2;white-space:normal}.actions{display:flex;gap:11px;flex-wrap:wrap;margin-block:22px 0}.btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;font-weight:700;border:1px solid var(--pine);border-radius:12px;min-height:45px;padding:8px 20px;transition:background .15s}.btn-primary{background:var(--pine);color:#fff}.btn-primary:hover{background:var(--pine-dark);color:#fff}.btn-secondary{background:#fff;color:var(--pine)}.stats{display:flex;flex-wrap:wrap;gap:10px;margin-block:18px}.stat{border:1px solid var(--line);border-radius:12px;padding:3px 12px;color:var(--muted);font-size:.86rem}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:14px;margin-block:16px 20px}.course-card,.lesson-card{border:1px solid var(--line);border-radius:16px;background:#fff;padding:19px;text-decoration:none;color:var(--ink);display:block;transition:border-color .15s,transform .15s}.course-card:hover,.lesson-card:hover{border-color:#a6cab9;transform:translateY(-2px);color:var(--ink)}.course-card h3,.lesson-card h3{margin-bottom:5px}.course-card p,.lesson-card p{margin:0;color:var(--muted);font-size:.88rem}.pill{font-size:.78rem;color:var(--pine);background:var(--mint);border-radius:100px;padding:3px 9px;display:inline-block;margin-top:10px}.chapter{border:1px solid var(--line);border-radius:16px;overflow:hidden;margin-block:12px;background:#fff}.chapter summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:12px;font-weight:700;padding:13px 18px;background:#f8fbf9}.chapter summary::-webkit-details-marker{display:none}.chapter summary::after{content:'＋';color:var(--pine);font-size:1.2rem}.chapter[open] summary::after{content:'−'}.lesson-list{list-style:none;padding:8px 16px 12px;margin:0}.lesson-list li{border-bottom:1px solid #edf1ee}.lesson-list li:last-child{border:0}.lesson-list a{display:block;padding:8px 0;text-decoration:none}.lesson-list a:hover{text-decoration:underline}.note{background:#f6faf7;border-right:4px solid var(--gold);padding:15px 18px;border-radius:12px;color:var(--muted);margin-block:20px}.section-title{margin-block:28px 12px}.footer{color:var(--muted);text-align:center;font-size:.82rem;padding:7px 0 32px}.footer a{margin-inline:5px}article p{line-height:2.2}@media(max-width:540px){.wrap{width:min(100% - 24px,1100px)}.topbar .wrap{gap:7px}.top-link{padding:3px 9px;font-size:.75rem}.brand small{font-size:.65rem}.panel{border-radius:16px}.actions .btn{width:100%}}