*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Tahoma,Arial,sans-serif;background:#f6f5f0;color:#182d42;line-height:1.75}a{color:inherit}button,select{font:inherit}button,a,select{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,select:focus-visible{outline:3px solid #dc9f38;outline-offset:4px}.wrap{width:min(1120px,92%);margin:auto}header{background:#fff;border-bottom:1px solid #e1e7ec}.nav{display:flex;align-items:center;justify-content:space-between;gap:22px;padding:10px 0}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-weight:bold}.brand img{width:65px;height:65px;object-fit:contain}.navlinks{display:flex;flex-wrap:wrap;gap:20px;font-size:14px}.navlinks a{text-decoration:none}.hero{padding:58px 0 46px;background:radial-gradient(ellipse at top left,#254d70,#0d2439 70%);color:white}.eyebrow{font-size:13px;color:#eac37a;letter-spacing:2px}.hero h1{font-size:clamp(30px,5vw,52px);line-height:1.45;margin:12px 0}.hero p{font-size:18px;max-width:760px;color:#d5e4ef}.tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.tags span{border:1px solid #547087;border-radius:30px;padding:5px 16px;font-size:13px}.books{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding:44px 0}.book{background:white;border:1px solid #dce3e8;border-radius:18px;overflow:hidden;box-shadow:0 12px 35px #172e3b0b}.cover{display:block;background:#102237;text-align:center;padding:20px}.cover img{display:block;width:min(100%,240px);height:auto;margin:auto;border-radius:3px;box-shadow:10px 10px 20px #0005}.copy{padding:22px}.copy h2{font-size:25px;margin:0 0 6px;color:var(--accent)}.copy p{margin:0 0 14px}.small{color:#667789;font-size:13px}.buttons{display:flex;gap:10px;flex-wrap:wrap}.btn,button{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;cursor:pointer;border-radius:9px;padding:10px 17px;border:1px solid #c6d2de;color:#18344c;background:white;font-weight:bold;font-size:14px}.primary{background:var(--accent,#1556a0);color:white;border-color:var(--accent,#1556a0)}button:disabled{opacity:.4;cursor:default}.guide{background:#eaf0f4;border-radius:18px;padding:26px;margin:0 0 38px}.guide h2{margin-top:0}.guide ol{padding-right:24px}.guide li{padding:5px}.footer{border-top:1px solid #dbe3e9;padding:23px;color:#657587;font-size:13px;text-align:center}.reader-head{display:flex;justify-content:space-between;align-items:center;gap:20px;margin:28px 0}.reader-head h1{margin:0;color:var(--accent);font-size:28px}.reader-tools{display:flex;flex-wrap:wrap;gap:10px;align-items:center;background:white;padding:16px;border-radius:12px;border:1px solid #dbe3e9;position:sticky;top:0;z-index:3}.reader-tools select{max-width:320px;width:100%;padding:9px;border:1px solid #bccbd9;border-radius:8px;background:white;font-size:14px}.counter{margin-inline-start:auto;white-space:nowrap}.page-wrap{margin:24px auto 35px;max-width:840px}.page-wrap img{display:block;width:100%;height:auto;background:white;box-shadow:0 6px 34px #172e3b22}.page-wrap figcaption{font-size:13px;text-align:center;margin:10px 0;color:#637689}.reader-bottom{display:flex;justify-content:center;gap:12px;margin-bottom:30px}.skip{position:absolute;left:-9999px}.skip:focus{left:15px;top:10px;background:white;padding:10px;z-index:10}@media(max-width:800px){.books{grid-template-columns:1fr;max-width:570px;margin:auto}.book{display:grid;grid-template-columns:40% 60%}.cover{display:flex;align-items:center;padding:15px}.copy{padding:18px}.copy h2{font-size:23px}.hero{padding:34px 0}.reader-head{align-items:flex-start;flex-direction:column}.reader-tools{position:static}.counter{margin-inline-start:0}.navlinks{font-size:12px;gap:12px}}@media(max-width:440px){.book{display:block}.cover img{max-width:215px}.nav{gap:12px}.brand span{display:none}.hero p{font-size:16px}.reader-tools select{max-width:none}.reader-tools label{width:100%}.btn,button{padding:9px 12px}.page-wrap{width:100%;margin:16px 0}.page-wrap img{border-radius:0}}