:root{--background:#07101f;--surface:#fffffffa;--text:#111827;--muted:#667085;--accent:#18b964;--accent-dark:#10934e;--accent-soft:#eafbf1}*{box-sizing:border-box}html{background:var(--background);min-width:320px}body{color:var(--text);text-rendering:optimizelegibility;margin:0;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.page-shell{isolation:isolate;background:radial-gradient(circle at 50% 48%,#12845c2e,#0000 31rem),linear-gradient(145deg,#07101f 0%,#081827 52%,#07111d 100%);min-height:100svh;padding:0 24px 36px;position:relative;overflow:hidden}.hero{place-items:center;min-height:100svh;padding:48px 0 72px;display:grid}.ambient{z-index:-1;filter:blur(90px);opacity:.13;pointer-events:none;border-radius:999px;width:32rem;height:32rem;position:absolute}.ambient-left{background:#0ba67c;top:9%;left:8%}.ambient-right{background:#1bc46d;bottom:7%;right:8%}.status-card{text-align:center;background:var(--surface);border:1px solid #ffffff8c;border-radius:28px;width:min(100%,620px);padding:54px 54px 48px;animation:.6s cubic-bezier(.22,1,.36,1) both card-enter;box-shadow:0 28px 70px #00000052,0 3px 9px #0000001f,inset 0 1px #fffc}.status-icon{color:#fff;background:linear-gradient(145deg,#20cd70,#10a858);border-radius:50%;place-items:center;width:78px;height:78px;margin:0 auto 22px;font-size:43px;font-weight:700;line-height:1;display:grid;box-shadow:0 12px 28px #18b96447}.status-icon span{transform:translate(2px,-1px)}.status-badge{color:#137a43;letter-spacing:.02em;background:var(--accent-soft);border-radius:999px;align-items:center;gap:8px;margin-bottom:16px;padding:7px 12px;font-size:13px;font-weight:700;display:inline-flex}.status-dot{background:var(--accent);border-radius:50%;width:7px;height:7px;box-shadow:0 0 0 4px #18b9641c}h1{letter-spacing:-.04em;margin:0;font-size:clamp(34px,5vw,48px);line-height:1.08}.description{max-width:480px;color:var(--muted);margin:20px auto 34px;font-size:18px;line-height:1.55}.tutorial-link{color:#fff;background:linear-gradient(135deg, var(--accent), #14ae5d);border-radius:14px;justify-content:center;align-items:center;gap:10px;width:100%;min-height:62px;padding:16px 24px;font-size:17px;font-weight:750;text-decoration:none;transition:transform .18s,box-shadow .18s,background .18s;display:flex;box-shadow:0 11px 24px #18b96438}a.tutorial-link:hover{background:linear-gradient(135deg, #18c56a, var(--accent-dark));transform:translateY(-2px);box-shadow:0 15px 30px #18b9644d}a.tutorial-link:focus-visible{outline-offset:4px;outline:3px solid #18b96461}.tutorial-link span{font-size:21px;line-height:1}.tutorial-link-disabled{cursor:not-allowed;opacity:.62;box-shadow:none;filter:saturate(.72)}.link-note{color:#7a8494;margin:16px 0 0;font-size:14px;line-height:1.5}.learning-section{text-align:center;background:#f8fafcfa;border:1px solid #ffffff94;border-radius:30px;width:min(100%,1180px);margin:0 auto;padding:68px 44px 42px;box-shadow:0 28px 70px #00000042}.section-kicker{color:#12844f;letter-spacing:.14em;margin:0 0 13px;font-size:13px;font-weight:800}.learning-section h2{max-width:760px;color:var(--text);letter-spacing:-.035em;margin:0 auto;font-size:clamp(30px,4vw,46px);line-height:1.12}.section-description{max-width:720px;color:var(--muted);margin:18px auto 34px;font-size:17px;line-height:1.6}.learning-figure{margin:0}.learning-image{background:#f8f7f4;border:1px solid #e5e8ec;border-radius:22px;width:100%;height:auto;display:block;box-shadow:0 14px 32px #0919281a}.learning-figure figcaption{color:#667085;max-width:760px;margin:24px auto 0;font-size:15px;line-height:1.55}.footer{color:#dee8f194;white-space:nowrap;justify-content:center;align-items:center;gap:9px;margin:34px auto 0;font-size:14px;display:flex}.footer-mark{color:#0b1925;background:#59de96c2;border-radius:7px;place-items:center;width:22px;height:22px;font-size:12px;font-weight:900;display:grid}@keyframes card-enter{0%{opacity:0;transform:translateY(18px)scale(.985)}to{opacity:1;transform:translateY(0)scale(1)}}@media (width<=640px){.page-shell{padding:0 14px 24px}.hero{min-height:auto;padding:30px 0 54px}.status-card{border-radius:22px;padding:38px 22px 32px}.status-icon{width:66px;height:66px;margin-bottom:18px;font-size:36px}.description{margin:17px auto 28px;font-size:16px}.tutorial-link{min-height:58px;padding-inline:16px;font-size:16px}.learning-section{border-radius:22px;padding:42px 14px 28px}.section-description{margin-bottom:24px;font-size:16px}.learning-image{border-radius:14px}.learning-figure figcaption{margin-top:18px;padding:0 8px}}@media (prefers-reduced-motion:reduce){.status-card{animation:none}.tutorial-link{transition:none}}