:root{--bg:#0b0f14;--surface:#141a23;--surface-2:#1c2330;--border:#2a3342;--text:#e6edf3;--muted:#8b97a6;--accent:#4ade80;--accent-2:#22c55e;--danger:#f87171;--warning:#fbbf24}[data-theme=light]{--bg:#f8fafc;--surface:#fff;--surface-2:#f1f5f9;--border:#e2e8f0;--text:#0f172a;--muted:#64748b;--accent:#16a34a;--accent-2:#15803d;--danger:#dc2626;--warning:#d97706}*{box-sizing:border-box}body,html{padding:0;margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;line-height:1.55}a{color:inherit;text-decoration:none}.container{max-width:1100px;margin:0 auto;padding:0 24px}.site-header{border-bottom:1px solid var(--border);background:color-mix(in srgb,var(--bg) 85%,transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);position:-webkit-sticky;position:sticky;top:0;z-index:50}.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}.brand{font-weight:700;font-size:20px;color:var(--accent);letter-spacing:-.02em}.nav{display:flex;align-items:center;gap:24px}.nav a{color:var(--muted);font-size:14px}.nav a:hover{color:var(--text)}.site-footer{border-top:1px solid var(--border);margin-top:80px;padding:32px 0;color:var(--muted);font-size:13px;text-align:center}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:8px;font-weight:600;font-size:14px;cursor:pointer;border:1px solid transparent;transition:.15s}.btn-primary{background:var(--accent);color:#0b0f14}.btn-primary:hover{background:var(--accent-2)}.btn-secondary{background:var(--surface-2);color:var(--text);border-color:var(--border)}.btn-secondary:hover{background:var(--border)}.btn-danger{background:transparent;color:var(--danger);border-color:var(--danger)}.btn-danger:hover{background:var(--danger);color:#0b0f14}.btn-sm{padding:6px 14px;font-size:13px}.hero{padding:96px 0 64px;text-align:center}.hero h1{font-size:clamp(36px,6vw,60px);margin:0 0 20px;letter-spacing:-.03em;line-height:1.1}.hero h1 span{color:var(--accent)}.hero p{font-size:18px;color:var(--muted);max-width:620px;margin:0 auto 32px}.hero-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.section{padding:48px 0}.section h2{font-size:28px;margin:0 0 24px;letter-spacing:-.02em}.grid{display:grid;grid-gap:20px;gap:20px}.grid-3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.grid-2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:24px}.card h3{margin:0 0 8px;font-size:18px}.card p{color:var(--muted);font-size:14px;margin:0}form{display:flex;flex-direction:column;gap:12px;max-width:380px;margin:0 auto}input,select,textarea{background:var(--surface-2);border:1px solid var(--border);color:var(--text);padding:12px 14px;border-radius:8px;font-size:14px;font-family:inherit}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent)}label{font-size:13px;color:var(--muted)}.form-error{color:var(--danger);font-size:13px}.form-success{color:var(--accent);font-size:13px}.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}.filters button{background:var(--surface-2);border:1px solid var(--border);color:var(--muted);padding:8px 14px;border-radius:999px;font-size:13px;cursor:pointer}.filters button.active{background:var(--accent);color:#0b0f14;border-color:var(--accent)}.toast-stack{position:fixed;bottom:24px;right:24px;display:flex;flex-direction:column;gap:8px;z-index:9999;max-width:calc(100vw - 48px);pointer-events:none}.toast{pointer-events:auto;padding:12px 16px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;background:var(--surface);color:var(--text);border:1px solid var(--border);box-shadow:0 4px 12px rgba(0,0,0,.15);animation:toast-in .2s ease-out;word-break:break-word}.toast-success{border-left:3px solid var(--accent)}.toast-error{border-left:3px solid var(--danger)}.toast-info{border-left:3px solid var(--accent-2)}@keyframes toast-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.exercise{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:18px}.exercise h4{margin:0 0 6px;font-size:16px}.exercise .meta{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0 12px}.tag{background:var(--surface-2);font-size:11px;padding:3px 8px;border-radius:4px;text-transform:uppercase;letter-spacing:.04em}.exercise ul,.tag{color:var(--muted)}.exercise ul{margin:8px 0 0;padding-left:18px;font-size:13px}.exercise ul li{margin-bottom:2px}.price{text-align:center}.price .amount{font-size:48px;font-weight:700;letter-spacing:-.02em}.price .period{color:var(--muted);font-size:14px}.price ul{list-style:none;padding:0;margin:24px 0;text-align:left}.price li{padding:8px 0;color:var(--muted);font-size:14px}.price li:before{content:"✓ ";color:var(--accent);font-weight:700}.price.featured{border-color:var(--accent);position:relative}.price.featured:before{content:"Most popular";position:absolute;top:-10px;left:50%;transform:translateX(-50%);background:var(--accent);color:#0b0f14;font-size:11px;font-weight:700;padding:4px 10px;border-radius:999px;text-transform:uppercase;letter-spacing:.05em}@media (max-width:720px){.nav{gap:14px}.nav a:not(.btn){display:none}}