:root{--bg:#03101f;--panel:#0b2038;--panel2:#102c4a;--text:#fff;--muted:#d8e8f7;--gold:#ffd45c;--cyan:#63e8ff;--line:#315b7e;--max:1180px;color-scheme:dark}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif;font-size:18px;line-height:1.65}a{color:var(--cyan)}a:focus-visible{outline:4px solid var(--gold);outline-offset:4px}.skip{position:absolute;left:1rem;top:-5rem;background:var(--gold);color:#061426;padding:.75rem 1rem;font-weight:800;z-index:10}.skip:focus{top:1rem}.site-header{min-height:76px;padding:1rem max(1.25rem,calc((100% - var(--max))/2));display:flex;align-items:center;justify-content:space-between;gap:2rem;border-bottom:1px solid var(--line);background:#061426}.brand{display:flex;align-items:center;gap:.75rem;color:#fff;text-decoration:none}.brand span{background:var(--gold);color:#061426;font-weight:900;padding:.35rem .55rem;border-radius:.3rem}.site-header nav{display:flex;gap:1.25rem;flex-wrap:wrap}.site-header nav a,footer a{color:#fff;font-weight:700}.hero{max-width:var(--max);margin:auto;padding:clamp(2rem,5vw,5rem) 1.25rem;display:grid;grid-template-columns:minmax(280px,430px) 1fr;gap:clamp(2rem,6vw,5rem);align-items:center}.cover-wrap{position:relative}.cover-wrap:before{content:"";position:absolute;inset:6% -5% -4% 7%;background:var(--gold);filter:blur(60px);opacity:.18}.cover-wrap img{position:relative;display:block;width:100%;height:auto;border:2px solid #e8c86a;box-shadow:0 28px 65px #000;border-radius:.25rem}.eyebrow{text-transform:uppercase;letter-spacing:.13em;font-weight:900;color:var(--gold);font-size:.84rem}.hero h1{font-size:clamp(2.6rem,6vw,5.8rem);line-height:.98;margin:.5rem 0 1.35rem;max-width:12ch}.title{font-size:clamp(1.5rem,3vw,2.4rem);line-height:1.2;font-weight:900;margin:.25rem 0;color:var(--cyan)}.subtitle{max-width:720px;color:var(--muted);font-size:1.16rem}.byline{font-size:1.05rem}.actions,.buy-box{display:flex;flex-wrap:wrap;gap:1rem;margin-top:1.5rem}.button{display:inline-flex;align-items:center;justify-content:center;min-height:56px;padding:.85rem 1.15rem;border:2px solid var(--gold);border-radius:.35rem;font-weight:900;text-decoration:none}.primary{background:var(--gold);color:#061426}.secondary{background:transparent;color:#fff}.button:hover{transform:translateY(-2px)}.proof-strip{border-block:1px solid var(--line);background:#071b30;display:grid;grid-template-columns:repeat(4,1fr);text-align:center;font-weight:900;color:var(--cyan);letter-spacing:.08em}.proof-strip span{padding:1.2rem;border-right:1px solid var(--line)}.intro,.readers,.buy,.learning{max-width:var(--max);margin:auto;padding:clamp(3rem,7vw,6rem) 1.25rem}.intro,.readers,.buy{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(2rem,6vw,6rem)}h2{font-size:clamp(2rem,4vw,3.6rem);line-height:1.08;margin:.4rem 0 1.25rem}h3{font-size:1.25rem;line-height:1.25}.intro p,.readers li,.buy p{color:var(--muted)}.learning{border-block:1px solid var(--line)}.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}.grid article{background:linear-gradient(145deg,var(--panel2),var(--panel));border:1px solid var(--line);padding:1.5rem;border-radius:.5rem}.grid article span{color:var(--gold);font-weight:900}.grid article p{color:var(--muted)}.readers ul{list-style:none;margin:0;padding:0}.readers li{position:relative;padding:.7rem 0 .7rem 2rem;border-bottom:1px solid var(--line)}.readers li:before{content:"✓";position:absolute;left:0;color:var(--gold);font-weight:900}.buy{background:linear-gradient(135deg,#0a2139,#122f4f);max-width:none;padding-inline:max(1.25rem,calc((100% - var(--max))/2))}.buy-box{flex-direction:column;align-items:stretch;margin:0}.buy-box small{color:var(--muted)}footer{padding:2.5rem max(1.25rem,calc((100% - var(--max))/2));border-top:1px solid var(--line);background:#020a12;display:grid;grid-template-columns:1fr auto;gap:1.5rem}footer nav{display:flex;gap:1rem;flex-wrap:wrap}.disclaimer{grid-column:1/-1;color:var(--muted);font-size:.9rem;max-width:900px}@media(max-width:760px){.site-header{align-items:flex-start;flex-direction:column}.hero,.intro,.readers,.buy{grid-template-columns:1fr}.hero h1{font-size:2.75rem}.proof-strip{grid-template-columns:repeat(2,1fr)}.grid{grid-template-columns:1fr}footer{grid-template-columns:1fr}.cover-wrap{max-width:430px;margin:auto}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button:hover{transform:none}}