:root{--bg:#020812;--panel:#071522;--line:rgba(110,174,255,.24);--text:#f8fbff;--muted:#adb9c8;--blue:#087cff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,sans-serif;overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{width:min(1180px,calc(100% - 36px));margin:auto}.topbar{height:28px;display:flex;align-items:center;justify-content:center;background:#01060c;border-bottom:1px solid rgba(255,255,255,.07);font-size:12px;color:#dce5ef}.topbar b{color:var(--blue);margin-right:7px}.site-header{height:82px;border-bottom:1px solid rgba(255,255,255,.08);background:rgba(2,8,18,.98);position:sticky;top:0;z-index:50;backdrop-filter:blur(12px)}.nav{height:100%;display:flex;align-items:center;gap:22px;position:relative}.brand{margin-right:auto}.brand img{width:148px;height:76px;object-fit:contain}.nav-links{display:flex;align-items:center;gap:27px;font-size:14px;font-weight:650}.nav-links a.active,.nav-links a:hover{color:#318fff}.nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:8px;font-weight:800}.nav-cta,.btn.primary{background:linear-gradient(180deg,#148aff,#006ce8);border:1px solid rgba(102,182,255,.48);padding:13px 22px;box-shadow:0 8px 22px rgba(0,103,240,.23)}.btn.secondary{border:1px solid rgba(72,157,255,.34);padding:13px 22px;color:#4baaff;background:#04101d}.menu{font-size:29px;color:white;border:0;background:transparent;cursor:pointer}.mobile-nav{display:none;position:absolute;right:0;top:74px;width:235px;padding:10px;border:1px solid var(--line);border-radius:12px;background:#071522;box-shadow:0 22px 60px rgba(0,0,0,.55);z-index:60}.mobile-nav.show{display:block}.mobile-nav a{display:block;padding:12px;border-radius:8px}.mobile-nav a:hover{background:rgba(30,135,255,.13)}
.page-main{max-width:1100px;margin:62px auto 90px;padding:0 24px}.page-main h1{font-family:Georgia,serif;font-size:46px;margin:0 0 15px}.page-main>p{color:var(--muted);font-size:16px;line-height:1.65}.books-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:28px}.book-card{border:1px solid var(--line);border-radius:15px;background:linear-gradient(180deg,#081828,#061421);padding:18px;display:flex;flex-direction:column;min-height:528px;overflow:visible}.mockup-box{display:flex;align-items:center;justify-content:center;width:100%;min-height:346px;padding:28px;background:radial-gradient(circle at center,rgba(22,117,255,.12),transparent 65%);overflow:visible}.mockup-box img{display:block;width:min(100%,300px);height:auto;max-width:100%;object-fit:contain;object-position:center;filter:drop-shadow(0 18px 20px rgba(0,0,0,.52));flex:0 0 auto}.book-card h2{font-family:Georgia,serif;font-size:23px;line-height:1.15;margin:12px 0 8px}.book-card p{color:var(--muted);font-size:14px;line-height:1.5;margin:0 0 16px}.card-actions{margin-top:auto;display:flex;gap:10px;flex-wrap:wrap}.card-actions .btn{flex:1;padding:11px 14px;font-size:13px;white-space:nowrap}
.detail-panel{margin-top:24px;border:1px solid var(--line);border-radius:16px;background:linear-gradient(180deg,#081828,#061421);padding:34px;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(300px,.92fr);gap:42px;align-items:center}.detail-visual{min-height:470px;display:flex;align-items:center;justify-content:center;padding:42px;overflow:visible;background:radial-gradient(circle,rgba(22,117,255,.12),transparent 67%)}.detail-visual img{display:block;width:min(100%,620px);height:auto;max-width:100%;object-fit:contain;object-position:center;filter:drop-shadow(0 22px 24px rgba(0,0,0,.58));flex:0 0 auto}.detail-copy h2{font-family:Georgia,serif;font-size:32px;margin:0 0 10px}.detail-copy p{color:var(--muted);font-size:16px;line-height:1.65}.detail-copy .btn{margin-top:12px}.content-panel{border:1px solid var(--line);border-radius:16px;background:#071522;padding:28px;margin-top:24px}.content-panel p,.content-panel li{color:var(--muted);line-height:1.7}.contact-form{display:grid;gap:12px;max-width:680px}.contact-form input,.contact-form textarea{width:100%;background:#020b14;border:1px solid var(--line);border-radius:9px;color:#fff;padding:14px}.contact-form textarea{min-height:160px;resize:vertical}.form-status{font-size:13px;color:#b8c6d7;min-height:18px}.site-footer{border-top:1px solid rgba(255,255,255,.07);padding:24px;color:#94a7bc;font-size:13px}.site-footer .container{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
@media (max-width:900px), (max-device-width:900px){.nav-links,.nav-cta{display:none}.site-header{height:74px}.brand img{width:134px;height:66px}.mobile-nav{top:68px}.page-main{margin-top:42px}.books-grid{grid-template-columns:minmax(0,1fr);width:100%;max-width:680px;margin-left:auto;margin-right:auto}.book-card{min-height:auto;width:100%}.mockup-box{height:342px;padding:28px}.mockup-box img{width:auto;height:auto;max-width:100%;max-height:100%}.detail-panel{grid-template-columns:minmax(0,1fr)}.detail-visual{height:390px;min-height:390px;padding:32px}.detail-visual img{width:auto;height:auto;max-width:100%;max-height:100%}}@media (max-width:480px), (max-device-width:480px){.container{width:min(100% - 24px,1180px)}.page-main{padding:0 14px}.page-main h1{font-size:38px}.mockup-box{height:306px;padding:26px}.mockup-box img{width:auto;height:auto;max-width:100%;max-height:100%}.detail-panel{padding:18px}.detail-visual{height:310px;min-height:310px;padding:26px}.detail-visual img{width:auto;height:auto;max-width:100%;max-height:100%}.site-footer .container{display:block;text-align:center}.site-footer .container>div+div{margin-top:9px}}
/* v19 mobile-device safeguard: prevents mobile browsers that expose a desktop-layout viewport from squeezing all three books into columns. */
@media (hover:none) and (pointer:coarse) and (max-width:1200px){.books-grid{grid-template-columns:minmax(0,1fr);max-width:680px;margin-left:auto;margin-right:auto}.book-card{width:100%;min-height:auto}.mockup-box{height:342px;padding:28px}.mockup-box img{width:auto;height:auto;max-width:100%;max-height:100%;object-fit:contain}}
html.mobile-device .books-grid{grid-template-columns:minmax(0,1fr);max-width:680px;margin-left:auto;margin-right:auto}html.mobile-device .book-card{width:100%;min-height:auto}html.mobile-device .mockup-box{height:342px;padding:28px}html.mobile-device .mockup-box img{width:auto;height:auto;max-width:100%;max-height:100%;object-fit:contain}

/* v20 no-clipping lock: mockups size by intrinsic aspect ratio, never by a cropped fixed-height box. */
.books-grid .book-card{overflow:visible!important}
.books-grid .mockup-box{height:auto!important;min-height:346px!important;overflow:visible!important;padding:28px!important}
.books-grid .mockup-box img{width:min(100%,300px)!important;height:auto!important;max-width:100%!important;max-height:none!important;object-fit:contain!important}
.detail-panel .detail-visual{height:auto!important;min-height:470px!important;overflow:visible!important}
.detail-panel .detail-visual img{width:min(100%,620px)!important;height:auto!important;max-width:100%!important;max-height:none!important;object-fit:contain!important}
@media(max-width:900px){.books-grid .mockup-box{min-height:320px!important}.books-grid .mockup-box img{width:min(100%,320px)!important}.detail-panel .detail-visual{min-height:360px!important}.detail-panel .detail-visual img{width:min(100%,560px)!important}}
@media(max-width:480px){.books-grid .mockup-box{min-height:280px!important;padding:18px!important}.books-grid .mockup-box img{width:min(100%,290px)!important}.detail-panel .detail-visual{min-height:300px!important;padding:18px!important}.detail-panel .detail-visual img{width:min(100%,320px)!important}}