:root{--night:#0e1a3a;--night-2:#16264f;--night-3:#1f3366;--star:#ffd66b;--ink:#ffffff;--soft:#c9d3ea;--muted:#8fa0c8;--sun:#ff9f43;--rocket:#ff6b81;--stars:#a29bfe;--radius:18px;--max:1080px}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:Poppins,system-ui,sans-serif;color:var(--ink);background:var(--night);background-image:radial-gradient(1px 1px at 12% 18%,#fff8 50%,transparent 51%),radial-gradient(1px 1px at 72% 9%,#fff9 50%,transparent 51%),radial-gradient(1.5px 1.5px at 40% 30%,#fff7 50%,transparent 51%),radial-gradient(1px 1px at 88% 42%,#fff8 50%,transparent 51%),radial-gradient(1.5px 1.5px at 22% 64%,#fff6 50%,transparent 51%),radial-gradient(1px 1px at 60% 78%,#fff8 50%,transparent 51%),radial-gradient(1px 1px at 94% 88%,#fff7 50%,transparent 51%);background-attachment:fixed;line-height:1.6}a{color:var(--star)}img{max-width:100%;display:block}.wrap{max-width:var(--max);margin:0 auto;padding:0 16px}.top{border-bottom:1px solid #ffffff14;background:#0e1a3ae6;position:-webkit-sticky;position:sticky;top:0;z-index:10;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.top .wrap{justify-content:space-between;gap:12px;min-height:64px;flex-wrap:wrap}.logo,.top .wrap{display:flex;align-items:center}.logo{gap:10px;text-decoration:none;color:var(--ink);font-weight:700;font-size:1.2rem}.logo svg{width:34px;height:34px}.nav{display:flex;gap:6px;flex-wrap:wrap}.nav a{color:var(--soft);text-decoration:none;padding:6px 12px;border-radius:999px;font-size:.92rem}.nav a:hover{background:var(--night-3);color:var(--ink)}.foot{margin-top:72px;border-top:1px solid #ffffff14;padding:28px 0 40px;color:var(--muted);font-size:.9rem}.foot .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}h1{font-size:clamp(2rem,5vw,3.2rem);line-height:1.15}h1,h2{margin:0 0 12px}h2{font-size:clamp(1.4rem,3vw,2rem)}h3{margin:0 0 6px}.lead,h3{font-size:1.15rem}.lead{color:var(--soft);max-width:680px}.section{margin-top:56px}.hero{padding:56px 0 8px}.badge{padding:4px 12px;font-size:.85rem;font-weight:600;background:var(--night-3);color:var(--star)}.badge,.btn{display:inline-block;border-radius:999px}.btn{padding:12px 22px;background:var(--star);color:var(--night);font-weight:700;text-decoration:none;border:0}.btn.ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 2px #ffffff40}.btn[aria-disabled=true]{background:var(--night-3);color:var(--muted);cursor:default}.btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}.card{background:var(--night-2);border-radius:var(--radius);padding:22px;border:1px solid #ffffff12}.grid{display:grid;grid-gap:20px;gap:20px}.grid.three{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.grid.two{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.muted{color:var(--muted)}.small{font-size:.9rem}ul.ticks{list-style:none;padding:0;margin:12px 0 0}ul.ticks li{padding-left:26px;position:relative;margin:6px 0;color:var(--soft)}ul.ticks li:before{content:"★";position:absolute;left:0;color:var(--star)}.book-card{display:flex;flex-direction:column;gap:14px;text-decoration:none;color:var(--ink);transition:transform .15s}.book-card:hover{transform:translateY(-3px)}.art{position:relative;border-radius:14px;aspect-ratio:4/3;display:grid;place-items:center;overflow:hidden}.art svg{width:70%;height:70%}.art img{position:absolute;inset:5%;width:90%;height:90%;object-fit:contain;filter:drop-shadow(0 8px 18px #0008)}.theme-sun .art{background:linear-gradient(160deg,#ffb86b33,#ff9f4311),var(--night-3)}.theme-rocket .art{background:linear-gradient(160deg,#ff6b8133,#ff6b8111),var(--night-3)}.theme-stars .art{background:linear-gradient(160deg,#a29bfe33,#a29bfe11),var(--night-3)}.theme-sun .badge{color:var(--sun)}.theme-rocket .badge{color:var(--rocket)}.theme-stars .badge{color:var(--stars)}.subnav{display:flex;gap:8px;flex-wrap:wrap;margin-top:24px}.subnav a{text-decoration:none;padding:8px 16px;border-radius:999px;color:var(--soft);background:var(--night-2);border:1px solid #ffffff14;font-weight:600;font-size:.95rem}.subnav a.on{background:var(--star);color:var(--night);border-color:var(--star)}.pages{counter-reset:p;list-style:none;padding:0;margin:0;display:grid;grid-gap:12px;gap:12px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.pages li{background:var(--night-2);border-radius:14px;padding:14px 16px 14px 56px;position:relative;border:1px solid #ffffff10}.pages li:before{counter-increment:p;content:counter(p);position:absolute;left:14px;top:14px;width:30px;height:30px;border-radius:50%;background:var(--night-3);color:var(--star);display:grid;place-items:center;font-weight:700;font-size:.9rem}.pages li strong{display:block}.pages li span{color:var(--soft);font-size:.92rem}.lock{float:right;font-size:.78rem;color:var(--muted);padding:2px 10px;border-radius:999px;margin-left:8px}.lock,.video{background:var(--night-3)}.video{max-width:820px;aspect-ratio:16/9;border-radius:var(--radius);overflow:hidden;display:grid;place-items:center;text-align:center;padding:16px}.video iframe{width:100%;height:100%;border:0}.steps{counter-reset:s;display:grid;grid-gap:16px;gap:16px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.steps .card:before{counter-increment:s;content:counter(s);display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--star);color:var(--night);font-weight:700;margin-bottom:10px}.thumbs{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));grid-gap:12px;gap:12px;margin-top:16px}.thumb{background:var(--night-3);border:1px solid #ffffff18;border-radius:12px;padding:8px;cursor:pointer;color:var(--soft);font:inherit;font-size:.8rem;text-align:center;transition:transform .15s}.thumb:focus-visible,.thumb:hover{transform:translateY(-3px);outline:2px solid var(--star)}.thumb img{width:100%;aspect-ratio:8.5/11;object-fit:cover;border-radius:6px;background:#fff;margin-bottom:6px}.samples-empty{margin-top:16px;border:2px dashed #ffffff26;border-radius:12px;padding:28px;text-align:center}.lightbox{position:fixed;inset:0;background:#050a18e6;z-index:50;display:grid;place-items:center;padding:16px}.lightbox-inner{max-width:min(720px,100%);max-height:100%;display:flex;flex-direction:column;gap:10px}.lightbox-inner img{max-height:calc(100vh - 110px);width:auto;margin:0 auto;border-radius:8px;background:#fff}.lightbox-bar{display:flex;align-items:center;justify-content:center;gap:12px;color:var(--soft);font-size:.95rem}.lightbox-bar button{background:var(--night-3);color:var(--ink);border:0;border-radius:999px;width:42px;height:42px;font-size:1.4rem;cursor:pointer}.lightbox-bar .close{font-size:1rem}.soon{display:inline-block;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--night);background:var(--star);padding:2px 10px;border-radius:999px}.book-top{display:grid;grid-gap:28px;gap:28px;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));align-items:center}