@font-face{font-family:Disp;src:url(fonts/Poppins-SemiBold.ttf) format('truetype');font-display:swap}
@font-face{font-family:Body;src:url(fonts/Poppins-Regular.ttf) format('truetype');font-display:swap}
@font-face{font-family:Body;font-weight:600;src:url(fonts/Poppins-SemiBold.ttf) format('truetype');font-display:swap}
:root{--bg:#f6f4ef;--ink:#1d1d1f;--acc:#2c5f8a;--acc2:#2c7a7b;--card:#ffffff;--sh:#1d1d1f}
*{box-sizing:border-box}html,body{margin:0}body{background:var(--bg);color:var(--ink);font:17px/1.55 Body,system-ui,sans-serif}
a{color:var(--acc2)}.wrap{max-width:1080px;margin:0 auto;padding:0 16px}
header.top{padding:18px 0}header.top a{font-family:Disp;font-size:26px;color:var(--ink);text-decoration:none}
h1,h2,h3{font-family:Disp;font-weight:400;line-height:1.08}
h1{font-size:clamp(34px,6vw,56px);margin:.25em 0 .3em;color:var(--acc);-webkit-text-stroke:2px var(--ink);paint-order:stroke fill;text-shadow:4px 4px 0 var(--sh)}
h2{font-size:clamp(26px,4vw,36px);margin:.2em 0 .5em}
.hero{display:grid;grid-template-columns:minmax(220px,360px) 1fr;gap:40px;align-items:start;padding:8px 0 30px}
@media(max-width:760px){.hero{grid-template-columns:1fr;gap:18px}.hero .cover{max-width:260px;margin:0 auto}}
.cover img{width:100%;display:block;border-radius:6px;box-shadow:10px 12px 0 var(--sh)}
.kicker{display:inline-block;background:var(--acc2);color:#fff;font-weight:600;font-size:13px;letter-spacing:1px;text-transform:uppercase;padding:5px 12px;border-radius:999px}
.sub{font-size:19px;margin:.2em 0 .6em}
ul.bul{padding:0;list-style:none;margin:.4em 0}ul.bul li{padding-left:30px;position:relative;margin:.35em 0}
ul.bul li:before{content:"\2713";position:absolute;left:0;color:var(--acc);font-weight:700}
.challenge{border-left:5px solid var(--acc);background:var(--card);padding:12px 16px;border-radius:0 12px 12px 0;font-style:italic;margin:14px 0}
form.card{background:var(--card);border-radius:16px;padding:18px;box-shadow:0 8px 0 rgba(0,0,0,.07);margin:18px 0 8px}
label.lb{font-weight:600;font-size:15px}
input[type=email]{width:100%;font:inherit;padding:13px 14px;border:2px solid #d9d2c3;border-radius:10px;margin-top:6px}
button{font-family:Disp;font-size:22px;background:var(--acc);color:#fff;border:0;border-radius:12px;padding:12px 18px;width:100%;margin-top:12px;cursor:pointer;box-shadow:0 5px 0 var(--sh)}
button:disabled{opacity:.6}
.chk{display:flex;gap:10px;font-size:14px;margin-top:12px;align-items:flex-start}.chk input{margin-top:4px}
.hp{position:absolute;left:-5000px;width:1px;height:1px;overflow:hidden}
.small{font-size:13px;opacity:.8}.note{font-size:15px}
.ok{background:#e6f4ea;border-radius:12px;padding:16px;margin-top:12px}
a.dl{display:block;text-align:center;font-family:Disp;font-size:22px;background:var(--acc2);color:#fff;text-decoration:none;padding:12px;border-radius:12px;box-shadow:0 5px 0 var(--sh);margin-top:8px}
.err{color:#b3261e;margin-top:10px;font-weight:600}
section{padding:22px 0}
.pages{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.pages img{width:100%;border-radius:4px;box-shadow:0 4px 14px rgba(0,0,0,.15)}
@media(max-width:760px){.pages{grid-template-columns:1fr 1fr}}
details{background:var(--card);border-radius:12px;padding:12px 16px;margin:8px 0}summary{font-weight:600;cursor:pointer}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:24px}
.bk{background:var(--card);border-radius:16px;padding:16px;display:flex;flex-direction:column;gap:10px}
.bk img{width:100%;border-radius:4px;box-shadow:6px 8px 0 var(--sh)}.bk h3{font-size:24px;margin:.2em 0 0}
.btn{display:block;text-align:center;font-family:Disp;font-size:20px;background:var(--acc);color:#fff;text-decoration:none;padding:10px;border-radius:12px;box-shadow:0 4px 0 var(--sh)}
.btn.alt{background:transparent;color:var(--ink);box-shadow:none;border:2px solid var(--ink);font-family:Body;font-weight:600;font-size:15px}
.intro h1{max-width:820px}footer{padding:30px 0 40px;font-size:14px;opacity:.85}