.bzc-library { width: min(100%, 1180px); margin: 0 auto; }
.bzc-book-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: clamp(25px,4vw,48px) clamp(20px,3vw,36px); }
.bzc-book-card { min-width: 0; }
.bzc-book-cover {
  position: relative; display: block; overflow: hidden; aspect-ratio: 1 / .73; border: 8px solid #fff; border-radius: 17px;
  background: #eadfc9; box-shadow: 0 18px 45px rgba(42,29,51,.13); text-decoration: none; transition: transform .22s ease, box-shadow .22s ease;
}
.bzc-book-cover:hover { transform: translateY(-5px); box-shadow: 0 26px 58px rgba(42,29,51,.18); }
.bzc-book-cover img { width: 100%; height: 100%; object-fit: contain; display: block; background: #f2eadb; }
.bzc-read-ribbon { position: absolute; right: 12px; bottom: 12px; padding: 7px 11px; border-radius: 999px; color: #fff; background: rgba(48,32,59,.9); font-size: .72rem; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; backdrop-filter: blur(7px); }
.bzc-book-card-copy { padding: 17px 5px 0; }
.bzc-book-card-copy h3 { margin: 0; color: #30203b; font-family: Georgia, "Times New Roman", serif; font-size: clamp(1.25rem,2.3vw,1.65rem); font-weight: 400; line-height: 1.14; }
.bzc-book-card-copy h3 a { color: inherit; text-decoration: none; }
.bzc-book-card-copy h3 a:hover { color: #9f3d68; }
.bzc-book-card-copy p { margin: 8px 0 0; color: #6e6876; font-size: .88rem; line-height: 1.55; }
.bzc-cover-placeholder { display: grid; place-items: center; width: 100%; height: 100%; color: #fff; background: linear-gradient(145deg,#4e315e,#9f3d68); font-family: Georgia,serif; font-size: 5rem; }
.bzc-empty { padding: 35px; border: 1px dashed rgba(41,31,57,.2); border-radius: 18px; text-align: center; }

.bzc-pdf-reader { overflow: hidden; border: 1px solid rgba(41,31,57,.14); border-radius: 20px; background: #fff; box-shadow: 0 20px 52px rgba(42,29,51,.1); }
.bzc-pdf-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 18px; padding: 14px 18px; color: #fff; background: #30203b; font-size: .82rem; font-weight: 800; }
.bzc-pdf-toolbar div { display: flex; flex-wrap: wrap; gap: 8px; }
.bzc-pdf-toolbar a { padding: 7px 10px; border: 1px solid rgba(255,255,255,.22); border-radius: 999px; color: #fff; text-decoration: none; }
.bzc-pdf-toolbar a:hover { background: rgba(255,255,255,.12); }
.bzc-pdf-reader iframe { display: block; width: 100%; height: min(82vh, 1000px); min-height: 640px; border: 0; background: #e8e4e0; }
.bzc-pdf-fallback { margin: 0; padding: 10px 16px 13px; color: #6e6876; font-size: .8rem; text-align: center; }

.bzc-contact-shell { overflow: hidden; border: 1px solid rgba(41,31,57,.13); border-radius: 24px; background: #fff; box-shadow: 0 24px 60px rgba(42,29,51,.1); }
.bzc-contact-intro { padding: clamp(27px,5vw,45px); color: #fff; background: radial-gradient(circle at 90% 0,rgba(197,154,70,.34),transparent 34%),linear-gradient(135deg,#30203b,#5a3568); }
.bzc-contact-intro > span { color: #f1d79f; font-size: .7rem; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
.bzc-contact-intro h2 { margin: 9px 0 10px; color: #fff; font-family: Georgia,"Times New Roman",serif; font-size: clamp(2.3rem,6vw,4rem); font-weight: 400; line-height: 1; }
.bzc-contact-intro p { margin: 0; color: rgba(255,255,255,.75); }
.bzc-contact-form { padding: clamp(26px,5vw,45px); }
.bzc-form-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px; }
.bzc-form-grid p { margin: 0; }
.bzc-form-wide { grid-column: 1 / -1; }
.bzc-contact-form label { display: block; margin-bottom: 7px; color: #30203b; font-size: .8rem; font-weight: 800; letter-spacing: .04em; }
.bzc-contact-form input, .bzc-contact-form textarea { width: 100%; padding: 13px 15px; border: 1px solid rgba(41,31,57,.18); border-radius: 12px; color: #201d2a; background: #fbf8f2; outline: 0; }
.bzc-contact-form input:focus, .bzc-contact-form textarea:focus { border-color: #4e315e; box-shadow: 0 0 0 3px rgba(78,49,94,.11); background: #fff; }
.bzc-form-submit { display: flex; align-items: center; gap: 15px; margin: 24px 0 0; }
.bzc-form-submit button { min-height: 50px; padding: 11px 22px; border: 0; border-radius: 999px; color: #fff; background: #4e315e; font-weight: 800; cursor: pointer; }
.bzc-form-submit button:hover { background: #9f3d68; }
.bzc-form-submit span { color: #6e6876; font-size: .8rem; }
.bzc-form-notice { display: flex; flex-direction: column; gap: 2px; margin: 24px clamp(26px,5vw,45px) 0; padding: 14px 17px; border-radius: 12px; }
.bzc-form-success { color: #265f4b; background: #e7f5ee; }
.bzc-form-error { color: #812f42; background: #fbe9ee; }
.bzc-honeypot { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }

@media (max-width: 900px) { .bzc-book-grid { grid-template-columns: repeat(2,minmax(0,1fr)); } }
@media (max-width: 680px) {
  .bzc-book-grid { gap: 31px 14px; }
  .bzc-book-cover { border-width: 5px; border-radius: 13px; }
  .bzc-book-card-copy { padding-top: 12px; }
  .bzc-book-card-copy h3 { font-size: 1.16rem; }
  .bzc-read-ribbon { right: 7px; bottom: 7px; padding: 5px 8px; font-size: .62rem; }
  .bzc-pdf-toolbar { align-items: flex-start; flex-direction: column; }
  .bzc-pdf-reader iframe { height: 70vh; min-height: 480px; }
  .bzc-form-grid { grid-template-columns: 1fr; }
  .bzc-form-wide { grid-column: auto; }
  .bzc-form-submit { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 420px) { .bzc-book-grid { grid-template-columns: 1fr; } .bzc-book-cover { aspect-ratio: 1 / .73; } }