/* ── Variáveis ── */
:root {
    --purple: #590478;
    --purple-light: #f3e8ff;
    --gold: #c9a84c;
    --text-dark: #1e1333;
}

/* ── Seção de cards ── */
.ebooks-section {
    background: #fafafa;
    padding: 4rem 0 5rem;
}

.section-eyebrow {
    font-weight: 700;
    font-size: .8rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--purple);
}

.section-title {
    font-weight: 700;
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    color: var(--text-dark);
}

/* ── Card do e-book ── */
.ebook-card {
    background: #fff;
    border-radius: 18px;
    box-shadow: 0 4px 24px rgba(107,33,168,.10);
    overflow: hidden;
    transition: transform .35s ease, box-shadow .35s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.ebook-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 14px 40px rgba(107,33,168,.18);
}

/* Capa do e-book — landscape (16:9 aprox) */
.ebook-cover-wrap {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* ratio 16:9 para imagens landscape */
    overflow: hidden;
    background: var(--purple-light);
}

.ebook-cover-wrap img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
}

.ebook-card:hover .ebook-cover-wrap img {
    transform: scale(1.04);
}

/* Badge de categoria sobre a capa */
.ebook-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--purple);
    color: #fff;
    font-weight: 700;
    font-size: .7rem;
    letter-spacing: .07em;
    text-transform: uppercase;
    padding: .25rem .75rem;
    border-radius: 50px;
    z-index: 2;
}

/* Corpo do card */
.ebook-body {
    padding: 1.4rem 1.5rem .8rem;
    flex: 1;
}

.ebook-subtitle-tag {
    font-size: .75rem;
    font-weight: 700;
    color: var(--gold);
    letter-spacing: .08em;
    text-transform: uppercase;
    margin-bottom: .4rem;
}

.ebook-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.35;
    margin-bottom: 0;
}

/* Rodapé do card */
.ebook-footer {
    padding: .8rem 1.5rem 1.4rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.ebook-price {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--purple);
    white-space: nowrap;
}

.ebook-price small {
    display: block;
    font-size: .7rem;
    font-weight: 600;
    color: #999;
    line-height: 1;
}

.btn-ebook {
    background: var(--purple);
    color: #fff;
    font-weight: 700;
    font-size: .85rem;
    padding: .55rem 1.4rem;
    border-radius: 50px;
    border: 2px solid var(--purple);
    transition: background .25s, color .25s, transform .2s;
    white-space: nowrap;
    text-decoration: none;
}

.btn-ebook:hover {
    background: transparent;
    color: var(--purple);
    transform: scale(1.03);
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
}

.ebook-card {
    animation: fadeUp .5s ease both;
}

.ebook-col:nth-child(1) .ebook-card { animation-delay: .05s; }
.ebook-col:nth-child(2) .ebook-card { animation-delay: .12s; }
.ebook-col:nth-child(3) .ebook-card { animation-delay: .19s; }
.ebook-col:nth-child(4) .ebook-card { animation-delay: .26s; }
.ebook-col:nth-child(5) .ebook-card { animation-delay: .33s; }
.ebook-col:nth-child(6) .ebook-card { animation-delay: .40s; }
.ebook-col:nth-child(7) .ebook-card { animation-delay: .47s; }
.ebook-col:nth-child(8) .ebook-card { animation-delay: .54s; }