:root {
    --conversion-ink: #191619;
    --conversion-panel: #231c22;
    --conversion-wine: #4a1c23;
    --conversion-gold: #d4af37;
    --conversion-gold-dark: #b8860b;
    --conversion-cream: #fdf8f3;
    --conversion-muted: #a9a3a7;
}

.conversion-shell {
    background:
        radial-gradient(circle at 78% 8%, rgba(212, 175, 55, 0.1), transparent 30rem),
        linear-gradient(180deg, #231c22 0%, #191619 60%, #21191f 100%);
    color: var(--conversion-cream);
    min-height: 100vh;
}

.conversion-kicker {
    color: var(--conversion-gold);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.conversion-rule {
    background: linear-gradient(90deg, var(--conversion-gold), rgba(212, 175, 55, 0));
    height: 1px;
    width: 7rem;
}

.conversion-panel {
    background: rgba(35, 28, 34, 0.88);
    border: 1px solid rgba(212, 175, 55, 0.24);
    border-radius: 1.25rem;
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
}

.conversion-button {
    align-items: center;
    background: linear-gradient(135deg, var(--conversion-gold), var(--conversion-gold-dark));
    border: 0;
    border-radius: 0.75rem;
    color: #211b16;
    cursor: pointer;
    display: inline-flex;
    font-weight: 800;
    justify-content: center;
    min-height: 3.25rem;
    padding: 0.85rem 1.35rem;
    text-align: center;
    text-decoration: none;
    transition: filter 160ms ease, transform 160ms ease;
}

.conversion-button:hover {
    filter: brightness(1.07);
    transform: translateY(-1px);
}

.conversion-button-secondary {
    background: transparent;
    border: 1px solid rgba(212, 175, 55, 0.5);
    color: var(--conversion-gold);
}

.conversion-button-secondary:hover {
    background: rgba(212, 175, 55, 0.08);
}

.conversion-button:focus-visible,
.conversion-link:focus-visible,
.mobile-buy-bar__link:focus-visible,
.popup-close:focus-visible {
    outline: 3px solid var(--conversion-cream);
    outline-offset: 3px;
}

.brevo-form-wrap {
    background: var(--conversion-ink);
    border: 1px solid rgba(212, 175, 55, 0.22);
    border-radius: 1rem;
    overflow: hidden;
}

.brevo-form-frame {
    background: var(--conversion-ink);
    border: 0;
    color-scheme: dark;
    display: block;
    min-height: 430px;
    width: 100%;
}

.conversion-offer {
    background:
        linear-gradient(135deg, rgba(74, 28, 35, 0.55), rgba(35, 28, 34, 0.96)),
        var(--conversion-panel);
    border: 1px solid rgba(212, 175, 55, 0.32);
    border-radius: 1rem;
    margin: 2.25rem 0;
    overflow: hidden;
    padding: 1.5rem;
    position: relative;
}

.conversion-offer::before {
    background: var(--conversion-gold);
    content: "";
    inset: 0 auto 0 0;
    position: absolute;
    width: 3px;
}

.conversion-offer__eyebrow {
    color: var(--conversion-gold);
    font-family: Inter, system-ui, sans-serif;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    margin: 0 0 0.55rem;
    text-transform: uppercase;
}

.article-content .conversion-offer__title {
    color: var(--conversion-cream);
    font-family: "Cormorant Garamond", Georgia, serif;
    font-size: clamp(1.6rem, 4vw, 2.15rem);
    line-height: 1.1;
    margin: 0 0 0.65rem;
}

.article-content .conversion-offer__copy {
    color: #d1d5db;
    font-size: 1rem;
    line-height: 1.55;
    margin: 0 0 1.15rem;
}

.article-content .conversion-offer__link {
    color: #211b16;
    text-decoration: none;
}

.conversion-price {
    align-items: baseline;
    display: flex;
    gap: 0.65rem;
}

.conversion-price__amount {
    color: var(--conversion-cream);
    font-family: "Cormorant Garamond", Georgia, serif;
    font-size: clamp(3rem, 9vw, 5rem);
    font-weight: 700;
    line-height: 0.9;
}

.conversion-price__currency {
    color: var(--conversion-muted);
    font-size: 0.82rem;
}

.book-hero {
    align-items: center;
    display: grid;
    gap: clamp(2rem, 6vw, 5rem);
    grid-template-columns: minmax(0, 1.08fr) minmax(240px, 0.72fr);
    min-height: 76vh;
}

.book-cover-stage {
    isolation: isolate;
    margin-inline: auto;
    max-width: 360px;
    position: relative;
}

.book-cover-stage::before {
    background: rgba(212, 175, 55, 0.18);
    border-radius: 999px;
    content: "";
    filter: blur(42px);
    inset: 15% 0;
    position: absolute;
    z-index: -1;
}

.book-cover-stage img {
    border-radius: 0.75rem;
    box-shadow: 0 32px 70px rgba(0, 0, 0, 0.52);
    display: block;
    height: auto;
    transform: rotate(1.5deg);
    width: 100%;
}

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

.book-card {
    background: rgba(35, 28, 34, 0.72);
    border: 1px solid rgba(212, 175, 55, 0.18);
    border-radius: 1rem;
    padding: 1.35rem;
}

.book-card h3 {
    color: var(--conversion-cream);
    font-family: "Cormorant Garamond", Georgia, serif;
    font-size: 1.55rem;
    line-height: 1.1;
    margin: 0 0 0.65rem;
}

.book-card p,
.book-card li {
    color: #c9c4c8;
    line-height: 1.6;
}

.book-sample {
    border-left: 3px solid var(--conversion-gold);
    color: #e9e3e5;
    font-family: "Cormorant Garamond", Georgia, serif;
    font-size: clamp(1.4rem, 3vw, 1.95rem);
    line-height: 1.45;
    margin: 0;
    padding-left: 1.3rem;
}

.book-faq details {
    border-bottom: 1px solid rgba(212, 175, 55, 0.18);
    padding: 1rem 0;
}

.book-faq summary {
    color: var(--conversion-cream);
    cursor: pointer;
    font-family: "Cormorant Garamond", Georgia, serif;
    font-size: 1.35rem;
    font-weight: 600;
}

.book-faq details p {
    color: #bdb7bc;
    line-height: 1.65;
    margin: 0.75rem 0 0;
}

.confirmed-icon {
    align-items: center;
    background: rgba(212, 175, 55, 0.12);
    border: 1px solid rgba(212, 175, 55, 0.35);
    border-radius: 999px;
    color: var(--conversion-gold);
    display: flex;
    font-size: 2rem;
    height: 5rem;
    justify-content: center;
    margin: 0 auto 1.5rem;
    width: 5rem;
}

.confirmed-panel {
    padding: clamp(2rem, 5vw, 3rem);
}

.confirmation-note {
    margin: 1.75rem 0 0;
}

.mobile-buy-bar {
    align-items: center;
    background: rgba(25, 22, 25, 0.97);
    border-top: 1px solid rgba(212, 175, 55, 0.35);
    bottom: 0;
    box-shadow: 0 -12px 30px rgba(0, 0, 0, 0.38);
    display: none;
    gap: 0.75rem;
    justify-content: space-between;
    left: 0;
    padding: 0.65rem max(0.75rem, env(safe-area-inset-left)) calc(0.65rem + env(safe-area-inset-bottom)) max(0.75rem, env(safe-area-inset-right));
    position: fixed;
    right: 0;
    transform: translateY(120%);
    transition: transform 180ms ease;
    z-index: 60;
}

.mobile-buy-bar.is-visible {
    transform: translateY(0);
}

.mobile-buy-bar__copy {
    color: var(--conversion-cream);
    font-size: 0.78rem;
    line-height: 1.25;
    margin: 0;
}

.mobile-buy-bar__copy strong {
    color: var(--conversion-gold);
    display: block;
}

.mobile-buy-bar__link {
    background: var(--conversion-gold);
    border-radius: 0.6rem;
    color: #211b16;
    flex: 0 0 auto;
    font-size: 0.82rem;
    font-weight: 800;
    padding: 0.72rem 0.9rem;
    text-decoration: none;
}

@media (max-width: 800px) {
    .book-hero {
        grid-template-columns: 1fr;
        padding-top: 2.5rem;
        text-align: center;
    }

    .book-cover-stage {
        max-width: 250px;
        order: -1;
    }

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

@media (max-width: 767px) {
    .mobile-buy-bar {
        display: flex;
    }

    body.has-mobile-buy-bar {
        padding-bottom: calc(4.65rem + env(safe-area-inset-bottom));
    }

    .brevo-form-frame {
        min-height: 570px;
    }

    .conversion-offer {
        margin-inline: -0.35rem;
        padding: 1.25rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .conversion-button,
    .mobile-buy-bar {
        transition: none;
    }

    .conversion-button:hover {
        transform: none;
    }
}