:root{--bg:#070a14;--panel:rgba(18,24,44,.72);--ink:#e8ecf8;--muted:#9aa4c2;--c1:#5ee7ff;--c2:#a77bff;--rule:rgba(120,140,220,.22)}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:radial-gradient(1200px 600px at 80% -10%,rgba(167,123,255,.18),transparent),radial-gradient(900px 500px at -10% 20%,rgba(94,231,255,.12),transparent),var(--bg);min-height:100vh}
body::before{content:"";position:fixed;inset:0;pointer-events:none;background-image:linear-gradient(var(--rule) 1px,transparent 1px),linear-gradient(90deg,var(--rule) 1px,transparent 1px);background-size:48px 48px;opacity:.18;mask-image:linear-gradient(#000,transparent 70%)}
h1,h2,h3{line-height:1.2;letter-spacing:.01em}h1{font-size:2.5rem;margin:.4em 0;background:linear-gradient(90deg,var(--c1),var(--c2));-webkit-background-clip:text;background-clip:text;color:transparent}
h2{color:#fff}a{color:var(--c1)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--c1);outline-offset:3px}
.wrap{max-width:1150px;margin:0 auto;padding:0 1.25rem;position:relative}.narrow{max-width:740px}
.skip{position:absolute;left:-999px}.skip:focus{left:1rem;top:1rem;background:#000;color:#fff;padding:.5rem;z-index:99}
header.site{position:sticky;top:0;z-index:5;backdrop-filter:blur(10px);background:rgba(7,10,20,.7);border-bottom:1px solid var(--rule)}
header.site .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.5rem;padding:.9rem 1.25rem}
.brand{font-weight:800;font-size:1.2rem;text-decoration:none;color:#fff;letter-spacing:.08em;text-transform:uppercase}.brand span{color:var(--c1);text-shadow:0 0 12px var(--c1)}
nav a{margin-left:1.1rem;text-decoration:none;color:var(--muted);font-size:.95rem}nav a:hover,nav a[aria-current]{color:#fff;text-shadow:0 0 10px var(--c1)}header nav a:first-child{margin-left:0}
.hero{text-align:center;padding:4rem 0 2rem}.eyebrow{text-transform:uppercase;letter-spacing:.25em;font-weight:700;font-size:.75rem;color:var(--c1)}
.lede{font-size:1.2rem;color:var(--muted)}
.panel{background:var(--panel);border:1px solid var(--rule);border-radius:16px;padding:2rem;box-shadow:0 0 0 1px rgba(94,231,255,.05),0 20px 60px rgba(0,0,0,.4)}
.featured,.book{padding:2rem 1.25rem}.grid2{display:grid;grid-template-columns:minmax(0,320px) 1fr;gap:2.5rem;align-items:start}
.cover{width:100%;height:auto;border-radius:6px;box-shadow:0 0 40px rgba(94,231,255,.25),0 20px 50px rgba(0,0,0,.6)}
.sub{font-style:italic;color:var(--muted);margin:.2em 0}.by{color:var(--muted)}
.badge{display:inline-block;border:1px solid var(--c1);color:var(--c1);border-radius:999px;padding:.15rem .7rem;font-size:.78rem;font-weight:700;letter-spacing:.05em;box-shadow:0 0 12px rgba(94,231,255,.35)}
.btn,button{display:inline-block;background:linear-gradient(90deg,var(--c1),var(--c2));color:#05060c;border:0;border-radius:10px;padding:.7rem 1.3rem;font:700 1rem system-ui,sans-serif;text-decoration:none;cursor:pointer;transition:box-shadow .2s,transform .2s}
.btn:hover,button:hover{box-shadow:0 0 24px rgba(94,231,255,.6);transform:translateY(-1px)}
.dash-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem;margin:1rem 0 2rem}
.stat{background:var(--panel);border:1px solid var(--rule);border-radius:12px;padding:1rem}.stat b{display:block;font-size:1.6rem;color:var(--c1)}.stat span{color:var(--muted);font-size:.85rem;text-transform:uppercase;letter-spacing:.1em}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:1.5rem;margin:1rem 0 3rem;perspective:900px}
.card{background:var(--panel);border:1px solid var(--rule);border-radius:14px;padding:1rem;transition:transform .15s ease-out,box-shadow .2s,border-color .2s;transform-style:preserve-3d}
.card:hover,.card:focus-within{border-color:var(--c1);box-shadow:0 0 30px rgba(94,231,255,.3)}
.card a{text-decoration:none;color:#fff}.card img{width:100%;height:auto;border-radius:6px}.card h3{margin:.7rem 0 .2rem;font-size:1.1rem}.card .sub{font-size:.9rem}
.formats{list-style:none;padding:0}.formats li{padding:.9rem 0;border-bottom:1px solid var(--rule)}.soon{font-weight:700;color:var(--c2)}.isbn{font-size:.85rem;color:var(--muted)}
.details{display:grid;grid-template-columns:auto 1fr;gap:.3rem 1rem}.details dt{font-weight:700;color:var(--muted)}.details dd{margin:0}
.desc{max-width:760px;margin-top:2rem}.desc li::marker{color:var(--c1)}.crumbs{font-size:.9rem;margin-bottom:1rem;color:var(--muted)}
.signup{padding:2.5rem 0;margin-top:2rem}.signup label{display:block;font-weight:600;margin-bottom:.3rem}
.row{display:flex;gap:.5rem;flex-wrap:wrap}.row input{flex:1 1 220px;padding:.7rem;font-size:1rem;color:#fff;background:#0b1020;border:1px solid #4a5a8a;border-radius:10px}
.hp{position:absolute;left:-9999px}.form-msg{min-height:1.5em;color:var(--c1)}.form-msg.err{color:#ff6b8b}
footer.site{border-top:1px solid var(--rule);padding:1.5rem 0;color:var(--muted);font-size:.9rem}
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s,transform .6s}.reveal.in{opacity:1;transform:none}
/* Intro overlay (home only; shown only when JS adds .show) */
#intro{display:none;position:fixed;inset:0;z-index:50;background:#03050c;color:#fff;align-items:center;justify-content:center;text-align:center;cursor:pointer}
#intro.show{display:flex}#intro canvas{position:absolute;inset:0;width:100%;height:100%}
#intro .ic{position:relative;padding:1rem}#intro h1{font-size:clamp(2rem,7vw,4.5rem);margin:.2em 0;animation:glow 3s ease-in-out infinite alternate}
#intro p{color:var(--muted)}#intro .enter{margin-top:1.5rem;font-size:1.1rem;padding:.9rem 2rem;animation:pulse 2s infinite}
#intro .skipbtn{position:absolute;top:1rem;right:1rem;background:transparent;color:#fff;border:1px solid var(--muted);font-weight:600;padding:.5rem 1rem}
#intro.leave{animation:fadeout .6s forwards}
@keyframes glow{to{filter:drop-shadow(0 0 18px rgba(94,231,255,.6))}}@keyframes pulse{50%{box-shadow:0 0 30px rgba(167,123,255,.8)}}@keyframes fadeout{to{opacity:0;transform:scale(1.04);visibility:hidden}}
@media (max-width:700px){h1{font-size:1.9rem}.grid2{grid-template-columns:1fr}.grid2>div:first-child,.featured .grid2>a{max-width:260px;margin:0 auto}nav a{margin-left:.8rem}.panel{padding:1.2rem}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}
html{scrollbar-gutter:stable}.wrap>.narrow{margin-left:0}