#bookHero {
    background:
        radial-gradient(circle at 78% 26%, rgba(255, 210, 63, 0.11), transparent 27%),
        radial-gradient(circle at 12% 80%, rgba(70, 130, 255, 0.055), transparent 30%),
        #0a0d11;
}

.book-hero-copy {
    display: flex;
    flex-direction: column;
}

.book-hero-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 26px;
}

.book-hero-actions .btn-primary,
.book-hero-actions .btn-ghost {
    min-height: 54px;
}

.book-hero-social {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 20px;
    margin-top: 15px;
    color: rgba(255, 255, 255, 0.55);
    font-size: 12px;
}

.book-hero-social strong {
    color: #fff;
}

.book-hero-proof-list {
    margin-top: 24px !important;
}

.book-cover-shell {
    position: relative;
    max-width: 440px;
    margin-left: auto;
    padding: 14px;
    border: 1px solid rgba(255, 210, 63, 0.18);
    border-radius: 24px;
    background: linear-gradient(145deg, rgba(255, 210, 63, 0.075), rgba(255, 255, 255, 0.02));
    box-shadow: 0 35px 85px rgba(0, 0, 0, 0.48), 0 0 65px rgba(255, 210, 63, 0.09);
}

.book-cover-shell img {
    transition: transform 0.35s ease;
}

.book-cover-shell:hover img {
    transform: translateY(-4px) rotate(-0.4deg);
}

.book-cover-note {
    position: absolute;
    right: 28px;
    bottom: 28px;
    left: 28px;
    padding: 13px 15px;
    border: 1px solid rgba(255, 210, 63, 0.25);
    border-radius: 11px;
    background: rgba(8, 10, 14, 0.91);
    color: rgba(255, 255, 255, 0.65);
    font-size: 12px;
    line-height: 1.45;
    backdrop-filter: blur(12px);
}

.book-cover-note strong {
    display: block;
    margin-bottom: 2px;
    color: #fff;
    font-size: 14px;
}

.book-decision-strip {
    padding: 26px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.07);
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    background: #0f1319;
}

.book-decision-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.book-decision-item {
    padding: 16px 18px;
    border: 1px solid rgba(255, 255, 255, 0.075);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.02);
}

.book-decision-item strong {
    display: block;
    margin-bottom: 3px;
    color: var(--accent);
    font-size: 14px;
}

.book-decision-item span {
    color: rgba(255, 255, 255, 0.62);
    font-size: 12px;
    line-height: 1.45;
}

.book-decision-fomo {
    max-width: 880px;
    margin: 18px auto 0;
    color: rgba(255, 255, 255, 0.69);
    font-size: 13px;
    line-height: 1.55;
    text-align: center;
}

.book-decision-fomo strong {
    color: #fff;
}

.book-sticky-cta {
    position: fixed;
    right: 0;
    bottom: var(--book-cookie-height, 0px);
    left: 0;
    z-index: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    padding: 10px 18px;
    border-top: 1px solid rgba(255, 210, 63, 0.2);
    background: rgba(10, 13, 17, 0.95);
    backdrop-filter: blur(16px);
    transform: translateY(110%);
    transition: transform 0.25s ease;
}

.book-sticky-cta.is-visible {
    transform: translateY(0);
}

.book-sticky-copy {
    color: rgba(255, 255, 255, 0.65);
    font-size: 12px;
}

.book-sticky-copy strong {
    margin-right: 8px;
    color: var(--accent);
    font-size: 20px;
}

.book-sticky-cta .btn-primary {
    min-height: 44px;
    padding: 10px 20px;
    border-radius: 10px;
    font-size: 13px;
}

.book-mobile-buy {
    display: none;
}

@media (max-width: 1024px) {
    .book-cover-shell {
        margin-right: auto;
    }
}

@media (max-width: 640px) {
    .book-mobile-buy {
        display: inline-flex;
    }

    #bookHero {
        padding-top: 28px !important;
        padding-bottom: 50px !important;
    }

    .book-hero-actions {
        order: 5;
        flex-direction: column;
        align-items: stretch;
        margin-top: 16px;
    }

    .book-hero-actions a {
        width: 100%;
        justify-content: center;
    }

    .book-hero-social {
        order: 6;
        justify-content: center;
        text-align: center;
    }

    .book-hero-proof-list {
        order: 7;
        grid-template-columns: 1fr 1fr !important;
        margin-top: 22px !important;
    }

    .book-cover-shell {
        max-width: 290px;
        margin-top: -8px;
    }

    .book-cover-note {
        position: static;
        margin-top: 9px;
    }

    .book-decision-grid {
        grid-template-columns: 1fr;
    }

    .book-decision-fomo {
        text-align: left;
    }

    .book-sticky-cta {
        justify-content: space-between;
        padding-bottom: calc(10px + env(safe-area-inset-bottom, 0px));
    }

    .book-sticky-copy span {
        display: none;
    }

    .book-sticky-copy strong {
        margin: 0;
        font-size: 18px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .book-cover-shell img,
    .book-sticky-cta {
        transition: none !important;
    }
}