/* ── Board Zone Post Detail Page ── */
:root{--bz-shadow-xs:0 1px 4px rgba(0,0,0,.06)}
/* Offset in-page anchor jumps so targets aren't hidden under the fixed header */
html{scroll-padding-top:96px}
@media(max-width:991px){html{scroll-padding-top:82px}}
.bz-split-section > *:only-child{grid-column:1 / -1}

/* ===== HERO ===== */
.bz-detail-hero{background:linear-gradient(135deg,#f8fafc 0%,rgba(16,190,237,.06) 100%);padding:28px 0 36px;border-bottom:1px solid var(--bz-border)}
.bz-detail-breadcrumb{font-size:13px;margin-bottom:18px;display:flex;align-items:center;flex-wrap:wrap;gap:2px}
.bz-detail-breadcrumb a{color:var(--bz-muted);text-decoration:none!important;transition:color .15s}.bz-detail-breadcrumb a:hover{color:var(--bz-primary)}
.bz-detail-breadcrumb .sep{margin:0 5px;color:var(--bz-border)}.bz-detail-breadcrumb .current{color:var(--bz-text);font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:280px;display:inline-block;vertical-align:bottom}

/* Dark navy cover panel */
.bz-hero-left{background:linear-gradient(160deg,#0f172a 0%,#1a3354 100%);border-radius:16px;padding:0;display:flex;flex-direction:column;align-items:stretch;justify-content:stretch;position:relative;min-height:300px;height:100%;overflow:hidden}
.bz-cover-badge{position:absolute;top:10px;right:10px;background:#f59e0b;color:#fff;border-radius:7px;padding:4px 8px;font-size:9px;font-weight:700;text-align:center;line-height:1.4;text-transform:uppercase;z-index:2}
.bz-detail-cover-wrap{border-radius:0;overflow:hidden;width:100%;height:100%;flex:1;background:#1e293b}
.bz-detail-cover-wrap img{width:100%;height:100%;object-fit:cover;display:block}
.bz-cover-medium-pill{position:absolute;bottom:12px;left:50%;transform:translateX(-50%);background:rgba(0,0,0,.55);border:1px solid rgba(255,255,255,.25);border-radius:999px;padding:5px 14px;font-size:12px;font-weight:600;color:#fff;white-space:nowrap;z-index:2}

/* Hero details */
.bz-detail-meta{display:flex;align-items:center;gap:8px;margin-bottom:10px;flex-wrap:wrap}
.bz-detail-tag{display:inline-flex;align-items:center;gap:4px;background:var(--bz-primary-bg);color:var(--bz-primary);border-radius:6px;padding:3px 10px;font-size:12px;font-weight:600;text-decoration:none!important}
.bz-detail-tag:hover{background:var(--bz-primary);color:#fff}

.bz-detail-h1{font-size:clamp(18px,2.8vw,28px);font-weight:800;color:var(--bz-dark);line-height:1.3;margin-bottom:10px}

/* Rating row */
.bz-rating-row{display:flex;align-items:center;gap:8px;margin-bottom:12px;flex-wrap:wrap}
.bz-stars-display{display:flex;gap:1px}.bz-stars-display i{font-size:14px;color:#f59e0b}
.bz-rating-val{font-size:14px;font-weight:700;color:var(--bz-dark)}
.bz-rating-count{font-size:13px;color:var(--bz-muted)}
.bz-rating-sep{color:var(--bz-border)}
.bz-dl-count{display:inline-flex;align-items:center;gap:4px;font-size:13px;color:var(--bz-muted)}
.bz-dl-count i{color:var(--bz-primary)}

/* Trust banner */
.bz-trust-banner{display:flex;align-items:center;gap:12px;background:#f0fdf4;border:1px solid #bbf7d0;border-radius:10px;padding:10px 14px;margin-bottom:14px}
.bz-trust-avatars{display:flex;flex-shrink:0}
.bz-trust-avatar{width:26px;height:26px;border-radius:50%;border:2px solid #fff;margin-left:-8px;background:#e2e8f0;overflow:hidden;flex-shrink:0}
.bz-trust-avatar:first-child{margin-left:0}
.bz-trust-avatar img{width:100%;height:100%;object-fit:cover}
.bz-trust-text .bz-trust-title{font-size:13px;font-weight:700;color:#15803d;margin:0 0 1px}
.bz-trust-text p{font-size:11.5px;color:#15803d;margin:0}

/* ── Action card (wraps price + CTA + medium + trust) ── */
.bz-dl-card{background:#fff;border:1px solid var(--bz-border);border-radius:16px;padding:22px 24px;margin-top:16px;box-shadow:0 8px 24px -10px rgba(0,0,0,.1)}

/* Price block – no own card frame inside dl-card */
.bz-detail-price-block{margin-bottom:16px}
.bz-free-headline{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.bz-free-badge{font-size:22px;font-weight:800;color:#16a34a;line-height:1}
.bz-no-payment-tag{background:#f0fdf4;border:1px solid #bbf7d0;border-radius:6px;padding:3px 10px;font-size:12px;font-weight:600;color:#15803d;white-space:nowrap}
.bz-price-sub{font-size:12px;color:var(--bz-muted)}
.bz-price-row{display:flex;align-items:baseline;gap:6px;flex-wrap:wrap}
.bz-price-original-text{font-size:14px;color:var(--bz-muted);text-decoration:line-through;line-height:1}
.bz-price-amount{font-size:32px;font-weight:800;color:var(--bz-dark);line-height:1}
.bz-price-symbol{font-size:20px;font-weight:700;color:var(--bz-dark);line-height:1}
.bz-discount-tag{background:#f0fdf4;color:#15803d;border:1px solid #bbf7d0;border-radius:6px;padding:3px 8px;font-size:12px;font-weight:700;align-self:center}
.bz-price-save-text{font-size:12px;color:#16a34a;font-weight:600;align-self:center}

/* CTA row – equal-width grid */
.bz-cta-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px}
.bz-btn-download{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--bz-primary);color:#fff!important;border:none;border-radius:12px;height:52px;padding:0 18px;font-size:15px;font-weight:700;text-decoration:none!important;cursor:pointer;transition:all .2s;white-space:nowrap;width:100%}
.bz-btn-download:hover{background:var(--bz-primary-dk);transform:translateY(-1px);box-shadow:0 6px 20px rgba(16,190,237,.35);color:#fff!important}
.bz-btn-sample{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:#fff;color:var(--bz-text)!important;border:1.5px solid var(--bz-border);border-radius:12px;height:52px;padding:0 16px;font-size:14px;font-weight:600;text-decoration:none!important;cursor:pointer;transition:all .2s;white-space:nowrap;width:100%}
.bz-btn-sample:hover{border-color:var(--bz-primary);color:var(--bz-primary)!important}

/* Medium row */
.bz-medium-row{margin-bottom:16px}
.bz-medium-label{font-size:13px;font-weight:600;color:var(--bz-text);display:block;margin-bottom:10px}
.bz-medium-label em{color:var(--bz-primary);font-style:normal;font-size:12px;font-weight:500;margin-left:4px}
/* Radio-style medium pills */
.bz-medium-opts{display:flex;gap:10px;flex-wrap:wrap}
.bz-medium-pill{display:flex;align-items:center;gap:10px;flex:1;min-width:140px;height:46px;padding:0 16px;border-radius:12px;font-size:14px;font-weight:500;border:1.5px solid var(--bz-border);color:var(--bz-text);background:#fff;cursor:pointer;transition:all .18s;text-align:left}
.bz-medium-pill.active{border-color:var(--bz-primary);background:var(--bz-primary-bg);color:var(--bz-primary)}
.bz-medium-pill:hover:not(.active){border-color:var(--bz-primary);color:var(--bz-primary)}
.bz-radio-ring{width:16px;height:16px;min-width:16px;border-radius:50%;border:2px solid #cbd5e1;display:grid;place-items:center;flex-shrink:0;transition:border-color .18s}
.bz-medium-pill.active .bz-radio-ring{border-color:var(--bz-primary)}
.bz-medium-pill.active .bz-radio-ring::after{content:'';width:8px;height:8px;border-radius:50%;background:var(--bz-primary)}
.bz-medium-pill:hover:not(.active) .bz-radio-ring{border-color:var(--bz-primary)}

/* Medium error state (no pill selected on Buy Now) */
.bz-medium-row.bz-medium-error .bz-medium-label{color:#ef4444}
.bz-medium-row.bz-medium-error .bz-medium-pill{border-color:#ef4444}
.bz-medium-row.bz-medium-error .bz-medium-opts{animation:bz-shake .4s ease}
@keyframes bz-shake{
  0%,100%{transform:translateX(0)}
  20%{transform:translateX(-6px)}
  40%{transform:translateX(6px)}
  60%{transform:translateX(-4px)}
  80%{transform:translateX(4px)}
}

/* Trust badges row – with top separator */
.bz-trust-row{display:flex;gap:22px;flex-wrap:wrap;border-top:1px solid var(--bz-border);padding-top:16px;margin-top:0}
.bz-trust-item{display:flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--bz-muted)}
.bz-trust-item i{color:var(--bz-primary);font-size:13px}

/* Card heading icon (shared across all content cards) */
.bz-card-icon{color:var(--bz-primary);font-size:14px;flex-shrink:0}

/* ===== FEATURE CARDS SECTION ===== */
.bz-features-section{background:#fff;border-bottom:1px solid var(--bz-border);padding:36px 0}
.bz-section-h2{font-size:20px;font-weight:800;color:var(--bz-dark);margin-bottom:4px}
.bz-section-sub{font-size:14px;color:var(--bz-muted);margin:0 0 20px;line-height:1.5}
.bz-feature-grid-6{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.bz-feature-item{background:#fff;border:1px solid var(--bz-border);border-radius:12px;padding:18px 12px;text-align:center;transition:all .2s}
.bz-feature-item:hover{box-shadow:0 6px 20px rgba(0,0,0,.08);transform:translateY(-3px);border-color:var(--bz-primary)}
.bz-feature-icon-wrap{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;margin:0 auto 10px}
.bz-feature-item p{margin:0}
.bz-feature-title{font-size:13px;font-weight:700;color:var(--bz-dark);margin-bottom:3px!important;line-height:1.3}
.bz-feature-subtitle{font-size:11px;color:var(--bz-muted)}

/* ===== BODY LAYOUT ===== */
.bz-detail-body{padding:32px 0 64px}

/* 50/50 split sections */
.bz-split-section{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:24px}

/* Content card (shared) */
.bz-content-card{background:#fff;border:1px solid var(--bz-border);border-radius:var(--bz-radius);overflow:hidden;box-shadow:var(--bz-shadow-xs)}
.bz-content-card__head{padding:16px 20px;border-bottom:1px solid var(--bz-border);display:flex;align-items:center;justify-content:space-between;gap:10px;background:#fff}
.bz-content-card__title{font-size:16px;font-weight:700;color:var(--bz-dark);margin:0;display:flex;align-items:center;gap:7px}
.bz-content-card__count{font-size:12px;font-weight:600;color:var(--bz-primary);background:var(--bz-primary-bg);padding:3px 10px;border-radius:999px;white-space:nowrap}
.bz-content-card__link{font-size:12px;font-weight:600;color:var(--bz-primary);text-decoration:none!important}.bz-content-card__link:hover{text-decoration:underline!important}
.bz-content-card__body{padding:20px}

/* What's Inside list */
.bz-inside-list{list-style:none;margin:0;padding:0 20px}
.bz-inside-item{display:flex;align-items:center;gap:14px;padding:13px 0;border-bottom:1px dashed var(--bz-border);font-size:14px;color:var(--bz-text);font-weight:500}
.bz-inside-item:last-child{border-bottom:none}
.bz-inside-icon{width:26px;height:26px;min-width:26px;border-radius:50%;background:#dcfce7;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.bz-inside-icon i{font-size:10px;color:#16a34a}

/* Chapter list */
.bz-chapter-list{list-style:none;margin:0;padding:0}
.bz-chapter-item{display:flex;align-items:center;gap:10px;padding:12px 20px;border-bottom:1px solid var(--bz-border);transition:background .15s}
.bz-chapter-item:last-child{border-bottom:none}
.bz-chapter-item:hover{background:#fafafa}
.bz-chapter-item.bz-chapter-extra{display:none}
.bz-chapter-item.bz-chapter-extra.show{display:flex}
.bz-chapter-num{width:28px;height:28px;min-width:28px;border-radius:7px;background:var(--bz-bg);border:1px solid var(--bz-border);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;color:var(--bz-muted);flex-shrink:0}
.bz-chapter-name{flex:1;min-width:0}
.bz-chapter-name-text{font-size:13.5px;font-weight:600;color:var(--bz-dark);line-height:1.3;display:block}
.bz-chapter-name-sub{font-size:11px;color:var(--bz-muted);display:block;margin-top:1px}

.bz-badge-free{display:inline-flex;align-items:center;gap:3px;background:#f0fdf4;color:#15803d;border:1px solid #bbf7d0;border-radius:6px;padding:3px 9px;font-size:11px;font-weight:700;flex-shrink:0;white-space:nowrap}
.bz-badge-premium{display:inline-flex;align-items:center;gap:3px;background:#fef3c7;color:#92400e;border:1px solid #fde68a;border-radius:6px;padding:3px 9px;font-size:11px;font-weight:700;flex-shrink:0;white-space:nowrap}
.bz-badge-paid{display:inline-flex;align-items:center;gap:3px;background:#fef3c7;color:#92400e;border:1px solid #fde68a;border-radius:6px;padding:3px 9px;font-size:11px;font-weight:700;flex-shrink:0;white-space:nowrap}
.bz-chapter-dl{display:flex;gap:6px;flex-shrink:0}
.bz-dl-btn{display:inline-flex;align-items:center;justify-content:center;gap:4px;min-height:34px;background:var(--bz-primary-bg);color:var(--bz-primary)!important;border:none;border-radius:7px;padding:6px 12px;font-size:12px;font-weight:600;text-decoration:none!important;transition:all .18s;cursor:pointer;white-space:nowrap}
.bz-dl-btn:hover{background:var(--bz-primary);color:#fff!important}

/* "All X Chapters →" header link button */
.bz-view-all-chapters-link{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:600;color:var(--bz-primary);background:none;border:none;cursor:pointer;padding:0;text-decoration:none;transition:color .15s;white-space:nowrap}
.bz-view-all-chapters-link:hover{color:var(--bz-primary-dk)}
.bz-view-all-chapters-link .bz-chevron{font-size:10px;transition:transform .3s}
.bz-view-all-chapters-link.expanded .bz-chevron{transform:rotate(180deg)}

/* View all chapters footer button */
.bz-view-all-btn{display:flex;align-items:center;justify-content:center;gap:6px;width:100%;padding:13px 20px;font-size:14px;font-weight:600;color:var(--bz-primary);background:#fff;border:none;border-top:1px solid var(--bz-border);cursor:pointer;transition:background .15s}
.bz-view-all-btn:hover{background:var(--bz-bg)}
.bz-view-all-btn .bz-chevron{transition:transform .3s}
.bz-view-all-btn.expanded .bz-chevron{transform:rotate(180deg)}

/* Chapter CTA (inline in card) */
.bz-chapter-cta{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 20px;background:linear-gradient(90deg,rgba(16,190,237,.06),transparent);border-bottom:1px solid var(--bz-border);flex-wrap:wrap}
.bz-chapter-cta__price{font-size:20px;font-weight:800;color:var(--bz-dark)}
.bz-chapter-cta__orig{font-size:13px;color:var(--bz-muted);text-decoration:line-through;margin-right:4px}
.bz-chapter-notice{display:flex;align-items:flex-start;gap:10px;padding:10px 20px;background:#fffbeb;border-bottom:1px solid #fde68a;font-size:13px;color:var(--bz-text)}
.bz-chapter-notice i{flex-shrink:0;margin-top:2px}
.bz-chapter-notice a{color:var(--bz-primary);font-weight:600}

/* About content */
.bz-about-content{font-size:14px;line-height:1.8;color:var(--bz-text)}
.bz-about-content p{margin-bottom:12px}
.bz-about-content ul,.bz-about-content ol{padding-left:20px;margin-bottom:12px}
.bz-about-content li{margin-bottom:4px}
.bz-about-content h2,.bz-about-content h3{font-size:15px;margin:16px 0 8px;color:var(--bz-dark)}


/* Target keywords / chips */
.bz-keywords-wrap{margin-top:16px;padding-top:14px;border-top:1px solid var(--bz-border)}
.bz-keywords-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;color:var(--bz-muted);margin-bottom:8px}
.bz-keyword-chips{display:flex;gap:6px;flex-wrap:wrap}
.bz-keyword-chip{display:inline-block;background:var(--bz-bg);border:1px solid var(--bz-border);border-radius:999px;padding:4px 12px;font-size:12px;font-weight:500;color:var(--bz-text);text-decoration:none!important;transition:all .18s}
.bz-keyword-chip:hover{background:var(--bz-primary-bg);border-color:var(--bz-primary);color:var(--bz-primary)}

/* Related list */
.bz-related-list{list-style:none;margin:0;padding:0}
.bz-related-item{display:flex;align-items:center;gap:10px;padding:11px 20px;border-bottom:1px solid var(--bz-border);text-decoration:none!important;transition:background .15s;color:inherit}
.bz-related-item img{width:46px;height:62px;object-fit:cover;border-radius:4px;flex-shrink:0}
.bz-related-item:last-child{border-bottom:none}
.bz-related-item:hover{background:var(--bz-bg)}
.bz-related-item__text{font-size:13px;font-weight:600;color:var(--bz-dark);line-height:1.45;flex:1;min-width:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.bz-related-item:hover .bz-related-item__text{color:var(--bz-primary)}
.bz-related-item i{font-size:10px;color:var(--bz-muted);flex-shrink:0}

/* ===== REVIEWS ===== */
.bz-reviews-section{margin-bottom:24px}
.bz-reviews-header-actions{display:flex;align-items:center;gap:8px}
.bz-write-review-btn{display:inline-flex;align-items:center;gap:5px;background:var(--bz-primary);color:#fff!important;border:none;border-radius:8px;padding:7px 14px;font-size:13px;font-weight:600;text-decoration:none!important;transition:all .18s;cursor:pointer}
.bz-write-review-btn:hover{background:var(--bz-primary-dk);color:#fff!important}
.bz-view-all-reviews{font-size:13px;font-weight:600;color:var(--bz-primary);text-decoration:none!important}.bz-view-all-reviews:hover{text-decoration:underline!important}

/* 3-column reviews grid (desktop) */
.bz-reviews-4col{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;padding:24px}
.bz-review-card{background:#fff;border:1px solid var(--bz-border);border-radius:14px;padding:20px 20px 16px;transition:box-shadow .22s,transform .22s;position:relative;overflow:hidden;display:flex;flex-direction:column}
/* top accent gradient bar */
.bz-review-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#10beee 0%,#3b82f6 100%)}
/* decorative quote mark */
.bz-review-card::after{content:'\201C';position:absolute;bottom:-10px;right:14px;font-size:84px;line-height:1;color:#10beee;opacity:.08;font-family:Georgia,"Times New Roman",serif;pointer-events:none;user-select:none}
.bz-review-card:hover{box-shadow:0 10px 32px rgba(0,0,0,.11);transform:translateY(-3px)}
.bz-review-card__top{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.bz-review-avatar{width:42px;height:42px;border-radius:50%;object-fit:cover;flex-shrink:0;border:2px solid #fff;box-shadow:0 0 0 2px rgba(16,190,237,.25)}
.bz-review-card__info{flex:1;min-width:0;display:flex;flex-direction:column;gap:5px}
.bz-review-name-row{display:flex;align-items:center;gap:8px;min-width:0}
.bz-review-name{font-size:13.5px;font-weight:700;color:var(--bz-dark);margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:1.3;min-width:0;flex:1}
.bz-review-date{font-size:11px;color:var(--bz-muted);margin:0;line-height:1.2;white-space:nowrap;flex-shrink:0}
.bz-review-admin-badge{font-size:10px;font-weight:700;background:var(--bz-primary-bg);color:var(--bz-primary);border-radius:4px;padding:1px 6px;margin-left:4px}
.bz-review-stars{display:flex;gap:2px}
.bz-review-stars i{font-size:12px;color:#f59e0b}
.bz-review-stars i.dim{color:#e5e7eb}
.bz-review-text{font-size:13.5px;color:var(--bz-text);line-height:1.6;margin:0;overflow:hidden;word-break:break-word}
.bz-review-text>*{margin:0}
.bz-review-text>*+*{margin-top:6px}

/* Reply show/hide toggle */
.bz-reply-toggle{display:none;align-items:center;gap:6px;margin-top:10px;padding:6px 0;font-size:12px;font-weight:600;color:var(--bz-primary);background:none;border:none;cursor:pointer}
.bz-reply-toggle:hover{color:var(--bz-primary-dk)}
.bz-reply-toggle-chev{font-size:10px;transition:transform .25s}
.bz-reply-toggle.open .bz-reply-toggle-chev{transform:rotate(180deg)}

/* Threaded replies */
.bz-reply-thread{margin-top:10px;padding-top:10px;border-top:1px solid var(--bz-border)}
.bz-reply-item{display:flex;gap:8px;margin-bottom:8px}
.bz-reply-item:last-child{margin-bottom:0}
.bz-reply-avatar{width:26px;height:26px;border-radius:50%;object-fit:cover;flex-shrink:0}
.bz-reply-name{font-size:12px;font-weight:700;color:var(--bz-dark)}
.bz-reply-date{font-size:10px;color:var(--bz-muted);margin-left:6px}
.bz-reply-text{font-size:12px;color:var(--bz-text);line-height:1.5;margin:3px 0 4px}
.bz-comment-reply-btn{font-size:11px;font-weight:600;color:var(--bz-primary);background:none;border:none;padding:0;cursor:pointer;text-decoration:underline;display:inline-block;align-self:flex-start;margin-top:10px}
/* Desktop: hide replies behind the toggle; mobile shows them directly */
@media(min-width:768px){
  .bz-reply-toggle{display:inline-flex}
  .bz-reply-thread{display:none}
  .bz-reply-thread.show{display:block}
}

/* Comment form */
.bz-comment-form-card{background:#fff;border:1px solid var(--bz-border);border-radius:var(--bz-radius);margin-bottom:24px;overflow:hidden;box-shadow:var(--bz-shadow-xs)}
.bz-comment-form-card .bz-content-card__body{padding:24px}

/* ── Review form layout ── */
.bz-review-form{display:flex;flex-direction:column;gap:18px}
.bz-form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.bz-field{display:flex;flex-direction:column;gap:7px}
.bz-form-label{font-size:13px;font-weight:600;color:var(--bz-dark);margin:0;line-height:1.3}
.bz-req{color:#ef4444;font-weight:700}
.bz-review-form .form-control{width:100%}
.bz-review-form textarea.form-control{resize:vertical;min-height:120px;line-height:1.6}
/* Inline validation feedback */
.bz-review-form .form-control:not(:placeholder-shown):invalid{border-color:#ef4444!important}
.bz-review-form .form-control:not(:placeholder-shown):invalid:focus{box-shadow:0 0 0 3px rgba(239,68,68,.14)!important}
.bz-field--actions{flex-direction:row;align-items:center;margin-top:2px}
/* Submit button – matches primary CTA system */
.bz-btn-submit{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--bz-primary);color:#fff!important;border:none;border-radius:12px;min-height:48px;padding:0 28px;font-size:15px;font-weight:700;cursor:pointer;transition:background .2s,transform .2s,box-shadow .2s;white-space:nowrap}
.bz-btn-submit:hover{background:var(--bz-primary-dk);transform:translateY(-1px);box-shadow:0 6px 20px rgba(16,190,237,.35)}

/* ===== FAQ SECTION ===== */
.bz-faq-section{margin-bottom:24px}
.bz-faq-grid{display:grid;grid-template-columns:1fr 1fr;padding:0}
.bz-faq-col{padding:0 24px}
.bz-faq-col:first-child{border-right:1px solid var(--bz-border);padding-left:0}
.bz-faq-col:last-child{padding-right:0}
.bz-faq-item{border-bottom:1px solid var(--bz-border)}
.bz-faq-item:last-child{border-bottom:none}
.bz-faq-toggle{display:flex;align-items:center;justify-content:space-between;width:100%;padding:14px 0;font-size:13.5px;font-weight:600;color:var(--bz-dark);background:none;border:none;cursor:pointer;text-align:left;gap:10px;transition:color .15s}
.bz-faq-toggle:hover{color:var(--bz-primary)}
.bz-faq-icon{width:22px;height:22px;min-width:22px;border-radius:50%;border:1.5px solid var(--bz-border);display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--bz-muted);transition:all .2s;flex-shrink:0}
.bz-faq-toggle.open .bz-faq-icon{background:var(--bz-primary);border-color:var(--bz-primary);color:#fff;transform:rotate(45deg)}
.bz-faq-body{display:none;padding:0 0 14px;font-size:13px;color:var(--bz-muted);line-height:1.65}
.bz-faq-body.show{display:block}

/* ===== MOBILE STICKY CTA ===== */
.bz-sticky-cta{display:none;position:fixed;bottom:0;left:0;right:0;z-index:998;background:#fff;border-top:1px solid var(--bz-border);padding:0;box-shadow:0 -4px 24px rgba(0,0,0,.12);opacity:0;transform:translateY(100%);transition:opacity .4s ease,transform .4s ease;pointer-events:none}
.bz-sticky-cta__row{display:flex;align-items:center;gap:14px;max-width:540px;margin:0 auto;padding:10px 16px}
/* Price block */
.bz-sticky-price-block{flex:0 0 auto}
.bz-sticky-price-meta{display:flex;align-items:center;gap:6px;margin-bottom:2px}
.bz-sticky-price-block .bz-sticky-orig{font-size:13px;color:#94a3b8;text-decoration:line-through;line-height:1}
.bz-sticky-off-tag{font-size:10px;font-weight:700;color:#16a34a;background:#f0fdf4;border:1px solid #bbf7d0;border-radius:4px;padding:1px 5px;line-height:1.4}
.bz-sticky-amount{font-size:26px;font-weight:800;color:var(--bz-dark);line-height:1;display:block}
.bz-sticky-free-label{font-size:20px;font-weight:800;color:#16a34a;display:block;line-height:1}
.bz-sticky-free-sub{font-size:10px;color:var(--bz-muted);display:block;margin-top:2px}
/* Button */
.bz-sticky-btn{flex:1;display:inline-flex;align-items:center;justify-content:center;gap:7px;background:var(--bz-primary);color:#fff!important;border:none;border-radius:12px;padding:13px 18px;font-size:15px;font-weight:700;text-decoration:none!important;cursor:pointer;transition:background .2s;white-space:nowrap}
.bz-sticky-btn:hover{background:var(--bz-primary-dk)}

/* ── Sticky medium selector row ── */
.bz-sticky-medium-row{display:flex;align-items:center;gap:8px;padding:7px 16px 6px;border-bottom:1px solid var(--bz-border);transition:background .2s}
.bz-sticky-medium-label{font-size:12px;font-weight:600;color:var(--bz-muted);white-space:nowrap;flex-shrink:0}
.bz-sticky-medium-pills{display:flex;gap:8px;flex:1;min-width:0}
.bz-sticky-medium-pill{flex:1;height:32px;border-radius:8px;border:1.5px solid var(--bz-border);background:#fff;font-size:13px;font-weight:600;color:var(--bz-text);cursor:pointer;transition:all .18s;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bz-sticky-medium-pill.active{border-color:var(--bz-primary);background:var(--bz-primary-bg);color:var(--bz-primary)}
.bz-sticky-medium-pill:hover:not(.active){border-color:var(--bz-primary);color:var(--bz-primary)}
.bz-sticky-medium-error-msg{font-size:11px;font-weight:700;color:#ef4444;white-space:nowrap;flex-shrink:0;display:none}
/* Error state */
.bz-sticky-medium-row.bz-medium-error{background:#fff5f5}
.bz-sticky-medium-row.bz-medium-error .bz-sticky-medium-label{color:#ef4444}
.bz-sticky-medium-row.bz-medium-error .bz-sticky-medium-pill{border-color:#ef4444;animation:bz-shake .4s ease}
.bz-sticky-medium-row.bz-medium-error .bz-sticky-medium-error-msg{display:block}

/* ===== ACCESSIBILITY: keyboard focus ===== */
.bz-btn-download:focus-visible,.bz-btn-sample:focus-visible,.bz-btn-submit:focus-visible,
.bz-medium-pill:focus-visible,.bz-sticky-medium-pill:focus-visible,.bz-sticky-btn:focus-visible,
.bz-faq-toggle:focus-visible,.bz-dl-btn:focus-visible,.bz-view-all-btn:focus-visible,
.bz-comment-reply-btn:focus-visible,.bz-write-review-btn:focus-visible,.bz-keyword-chip:focus-visible,
.bz-content-card__link:focus-visible,.bz-related-item:focus-visible,.bz-detail-tag:focus-visible{
  outline:2px solid var(--bz-primary);outline-offset:2px;border-radius:8px
}
@media(prefers-reduced-motion:reduce){
  *,::before,::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
}

/* ===== RESPONSIVE ===== */
@media(max-width:1199px){
  .bz-feature-grid-6{grid-template-columns:repeat(3,1fr)}
  .bz-reviews-4col{grid-template-columns:repeat(2,1fr);gap:16px}
}
@media(max-width:991px){
  .bz-detail-hero{padding:22px 0 28px}
  .bz-hero-left{min-height:240px}
  .bz-split-section{grid-template-columns:1fr}
  .bz-feature-grid-6{grid-template-columns:repeat(3,1fr)}
  .bz-faq-grid{grid-template-columns:1fr}
  .bz-faq-col{padding:0;border-right:none!important}
  #chapters-section{order:-1}
}
@media(max-width:767px){
  .bz-detail-hero{padding:18px 0 24px}
  .bz-hero-left{min-height:160px;height:auto}
  .bz-detail-h1{font-size:16px;margin-top:14px}
  .bz-cta-row{grid-template-columns:1fr;gap:10px}
  .bz-btn-download,.bz-btn-sample{height:46px;font-size:14px}
  .bz-sticky-cta{display:block}
  .bz-sticky-cta.bz-sticky-visible{opacity:1;transform:translateY(0);pointer-events:auto}
  .bz-content-card__body{padding:16px}
  .bz-content-card__head{padding:12px 16px}
  .bz-chapter-item{padding:10px 14px;gap:8px}
  .bz-chapter-name-text{font-size:13px}
  .bz-reviews-4col{grid-template-columns:1fr 1fr;padding:14px;gap:12px}
  .bz-feature-grid-6{grid-template-columns:repeat(2,1fr);gap:10px}
  .bz-features-section{padding:24px 0}
  .bz-inside-list{padding:0 14px}
  .bz-inside-item{padding:11px 0}
  .bz-related-item{padding:10px 14px}
  .bz-dl-card{padding:16px}
  .bz-free-badge{font-size:20px}
  .bz-price-amount{font-size:26px}
  .bz-medium-pill{min-width:100%}
  /* Keep the three trust badges on a single row on mobile */
  .bz-trust-row{gap:4px;flex-wrap:nowrap;justify-content:space-between}
  .bz-trust-item{font-size:10px;gap:3px;white-space:nowrap}
  .bz-trust-item i{font-size:11px}
  .bz-form-grid{grid-template-columns:1fr;gap:14px}
  .bz-comment-form-card .bz-content-card__body{padding:18px}
  .bz-btn-submit{width:100%}
}
@media(max-width:480px){
  .bz-detail-h1{font-size:15px}
  .bz-reviews-4col{grid-template-columns:1fr}
  .bz-feature-grid-6{grid-template-columns:repeat(2,1fr)}
  .bz-chapter-dl .bz-dl-btn span{display:none}
}