.deep-book-page{background:#f6f1e8}.deep-book-page .site-header{background:rgba(246,241,232,.97)}
.deep-hero{background:linear-gradient(135deg,#071a2c,#0a2946 62%,#113b5b);color:#fff;overflow:hidden}
.deep-hero-grid{min-height:720px;display:grid;grid-template-columns:.78fr 1.22fr;gap:78px;align-items:center;padding-top:62px;padding-bottom:66px}
.deep-cover{position:relative;max-width:430px;margin:auto;filter:drop-shadow(0 34px 55px rgba(0,0,0,.34))}
.deep-cover img{display:block;width:100%;height:auto}
.deep-badge{position:absolute;left:-14px;top:22px;z-index:2;background:var(--gold);color:#071a2c;padding:9px 12px;font-size:9px;letter-spacing:.14em;font-weight:900}
.deep-hero-copy h1{font-family:var(--serif);font-size:clamp(58px,7vw,94px);line-height:.93;letter-spacing:-.05em;font-weight:500;margin:0 0 18px;max-width:920px}
.deep-subtitle{font-family:var(--serif);font-size:24px;color:var(--gold2);font-style:italic;margin:0 0 26px}
.deep-lead{font-size:18px;line-height:1.7;color:#c6d2dc;max-width:820px}
.deep-facts{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid rgba(255,255,255,.16);border-bottom:1px solid rgba(255,255,255,.16);margin:30px 0}
.deep-facts div{padding:16px 18px 16px 0}.deep-facts div+div{border-left:1px solid rgba(255,255,255,.16);padding-left:18px}
.deep-facts span{display:block;font-size:8px;letter-spacing:.16em;color:var(--gold2);font-weight:900}.deep-facts strong{display:block;margin-top:5px;font-family:var(--serif);font-size:18px;font-weight:500}
.deep-actions{display:flex;gap:12px;flex-wrap:wrap}

.deep-intro{padding:100px 0;display:grid;grid-template-columns:1fr 1fr;gap:85px;align-items:start}
.deep-intro h2,.deep-themes h2,.deep-quote h2,.deep-author h2,.deep-biblio h2,.deep-commerce h2{font-family:var(--serif);font-size:clamp(40px,5vw,64px);line-height:1.04;letter-spacing:-.035em;font-weight:500;margin:0}
.deep-intro-copy p{font-size:17px;color:#4d5963}.deep-source-note{font-size:11px!important;color:var(--gold-ink)!important;border-top:1px solid var(--line);padding-top:14px;margin-top:22px}

.deep-themes{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:94px 0}
.deep-themes-head{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:end;margin-bottom:38px}.deep-themes-head>p{color:var(--muted);font-size:15px;margin:0}
.deep-theme-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.deep-theme-grid article{border:1px solid var(--line);background:#f8f4ed;padding:27px;min-height:245px;display:flex;flex-direction:column}
.deep-theme-grid span{font-family:var(--serif);font-size:28px;color:var(--gold-ink)}.deep-theme-grid h3{font-family:var(--serif);font-size:26px;line-height:1.08;font-weight:500;color:var(--navy);margin:auto 0 11px}.deep-theme-grid p{font-size:13px;color:var(--muted);margin:0}

.deep-quote{background:#071a2c;color:#fff;padding:92px 0}.deep-quote .section-label{color:var(--gold2)}.deep-quote-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}.deep-quote-grid>p{font-family:var(--serif);font-size:25px;line-height:1.5;color:#cad4dd;margin:0}

.deep-author{padding-top:100px;padding-bottom:100px}.deep-author-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:80px;align-items:center}
.deep-author-photo{height:530px;background:linear-gradient(145deg,#113954,#071a2c);display:flex;align-items:flex-end;justify-content:center;overflow:hidden}.deep-author-photo img{max-height:520px;width:auto;max-width:96%;object-fit:contain}
.deep-author-grid>div:last-child>p:not(.section-label){font-size:17px;color:var(--muted);max-width:760px}.deep-author-links{display:flex;gap:22px;flex-wrap:wrap;margin-top:25px}.deep-author-links a{font-size:12px;font-weight:800;color:var(--navy);border-bottom:1px solid var(--gold)}

.deep-biblio{background:#eee8de;padding:90px 0}.deep-biblio-head{display:grid;grid-template-columns:.7fr 1.3fr;gap:60px;align-items:end;margin-bottom:36px}
.deep-biblio-grid{display:grid;grid-template-columns:repeat(3,1fr);margin:0;border-top:1px solid #cfc4b5;border-left:1px solid #cfc4b5}.deep-biblio-grid>div{padding:22px;border-right:1px solid #cfc4b5;border-bottom:1px solid #cfc4b5;min-height:128px}.deep-biblio-grid dt{font-size:9px;letter-spacing:.14em;font-weight:900;color:var(--gold-ink);text-transform:uppercase}.deep-biblio-grid dd{font-family:var(--serif);font-size:20px;line-height:1.16;color:var(--navy);margin:16px 0 0}

.deep-commerce{background:#fff;padding:100px 0;border-top:1px solid var(--line)}.deep-commerce-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:80px;align-items:start}.deep-commerce-copy>p:not(.section-label){font-size:16px;color:var(--muted);max-width:650px}.deep-commerce-security{font-size:12px!important;border-left:3px solid var(--gold);padding-left:14px;margin-top:25px}
.deep-commerce-card{border:1px solid var(--line);border-top:4px solid var(--gold);padding:30px;background:#f8f4ed}.deep-status{font-size:9px;letter-spacing:.14em;font-weight:900;color:var(--gold-ink)}
.deep-commerce-facts{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:20px 0}.deep-commerce-facts>div{padding:15px 13px 15px 0}.deep-commerce-facts>div+div{border-left:1px solid var(--line);padding-left:13px}.deep-commerce-facts span{display:block;font-size:8px;letter-spacing:.12em;font-weight:900;color:var(--gold-ink)}.deep-commerce-facts strong{display:block;margin-top:5px;font-family:var(--serif);font-size:18px;font-weight:500;color:var(--navy)}
.deep-commerce-actions{display:flex;gap:12px;align-items:end}.deep-commerce-actions label{display:grid;gap:5px}.deep-commerce-actions label span{font-size:9px;letter-spacing:.12em;text-transform:uppercase;font-weight:900;color:var(--muted)}.deep-commerce-actions select{height:50px;min-width:90px;border:1px solid var(--line);background:#fff;padding:0 12px;font:inherit}.deep-commerce-actions select:disabled,#deep-buy-book:disabled{opacity:.5;cursor:not-allowed}
.deep-shop-note{font-size:11px;color:var(--muted);margin:14px 0 0}.deep-contact-link{display:inline-block;margin-top:12px;font-size:11px;font-weight:800;color:var(--navy);border-bottom:1px solid var(--gold)}

.deep-next{padding-top:90px;padding-bottom:100px}.deep-next-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.deep-next-grid a{min-height:180px;padding:24px;display:flex;flex-direction:column;color:var(--navy);position:relative}.deep-next-grid a+a{border-left:1px solid var(--line)}.deep-next-grid span{font-size:8px;letter-spacing:.14em;font-weight:900;color:var(--gold-ink)}.deep-next-grid strong{font-family:var(--serif);font-size:24px;line-height:1.1;font-weight:500;margin-top:auto;max-width:270px}.deep-next-grid b{position:absolute;right:20px;top:20px;color:var(--gold-ink);font-weight:400}

@media(max-width:1020px){
  .deep-hero-grid,.deep-intro,.deep-themes-head,.deep-quote-grid,.deep-author-grid,.deep-biblio-head,.deep-commerce-grid{grid-template-columns:1fr;gap:34px}
  .deep-cover{max-width:390px}.deep-theme-grid{grid-template-columns:repeat(2,1fr)}
  .deep-author-photo{height:470px}.deep-biblio-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:680px){
  .deep-hero-grid{padding-top:46px;min-height:auto}.deep-cover{max-width:320px}.deep-hero-copy h1{font-size:50px}.deep-subtitle{font-size:20px}.deep-lead{font-size:16px}
  .deep-facts{grid-template-columns:1fr}.deep-facts div+div{border-left:0;border-top:1px solid rgba(255,255,255,.16);padding-left:0}
  .deep-intro,.deep-themes,.deep-author,.deep-commerce{padding-top:72px;padding-bottom:72px}
  .deep-theme-grid{grid-template-columns:1fr}.deep-theme-grid article{min-height:190px}
  .deep-quote{padding:72px 0}.deep-quote-grid>p{font-size:21px}.deep-author-photo{height:380px}.deep-author-photo img{max-height:372px}
  .deep-biblio{padding:72px 0}.deep-biblio-grid{grid-template-columns:1fr}
  .deep-commerce-facts{grid-template-columns:1fr}.deep-commerce-facts>div+div{border-left:0;border-top:1px solid var(--line);padding-left:0}
  .deep-commerce-actions{align-items:stretch;flex-direction:column}.deep-commerce-actions label,.deep-commerce-actions select,#deep-buy-book{width:100%}
  .deep-next{padding-top:72px;padding-bottom:80px}.deep-next-grid{grid-template-columns:1fr}.deep-next-grid a+a{border-left:0;border-top:1px solid var(--line)}
}
.deep-commerce-facts small{display:block;margin-top:4px;font-size:9px;line-height:1.4;color:var(--muted)}
.deep-checkout-fields{margin:20px 0}.deep-field-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.deep-field-grid label{display:grid;gap:5px}.deep-field-grid label span{font-size:9px;letter-spacing:.11em;text-transform:uppercase;font-weight:900;color:var(--muted)}
.deep-field-grid input{height:48px;border:1px solid var(--line);background:#fff;padding:0 12px;font:inherit;color:var(--ink)}
.deep-field-grid input:focus{outline:2px solid rgba(182,137,61,.25);border-color:var(--gold)}
.deep-commerce-actions input[type="number"]{height:50px;width:100px;border:1px solid var(--line);background:#fff;padding:0 12px;font:inherit}
.deep-commerce-links{display:flex;gap:18px;flex-wrap:wrap}
@media(max-width:680px){.deep-field-grid{grid-template-columns:1fr}.deep-commerce-actions input[type="number"]{width:100%}}