/* ============================================
   NGB ebook-gate — la sezione di download degli
   ebook riservati agli iscritti alla newsletter
   (responsabilita_amministratori, tax_control_framework).
   Solo copertina, modulo e passi: tutto il resto
   arriva da zls_zes/style.css e da
   assets/content-page.css, come nelle altre
   pagine di contenuto.
   ============================================ */

/* ---------- La sezione del download ---------- */
.ebook-gate {
    display: grid;
    grid-template-columns: minmax(260px, 340px) 1fr;
    gap: 56px;
    align-items: start;
    max-width: 1040px;
    margin: 48px auto 0;
}

/* ---------- La copertina, disegnata in CSS ----------
   Niente immagine da tenere aggiornata: titolo ed edizione sono
   testo, e se l'ebook cambia edizione basta cambiare due righe. */
.ebook-cover {
    aspect-ratio: 210 / 297;
    background: linear-gradient(160deg, #0A2844 0%, #164068 58%, #2A5A85 100%);
    border-radius: 10px;
    padding: 34px 30px;
    display: flex;
    flex-direction: column;
    color: #F1F5F9;
    box-shadow: 18px 24px 48px rgba(10, 40, 68, 0.28), 0 0 0 1px rgba(255, 255, 255, 0.06) inset;
    position: relative;
    overflow: hidden;
}

/* il dorso: la piega chiara che fa "libro" */
.ebook-cover::before {
    content: '';
    position: absolute;
    top: 0;
    left: 14px;
    bottom: 0;
    width: 1px;
    background: rgba(255, 255, 255, 0.22);
}

.ebook-cover-eyebrow {
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 2.4px;
    text-transform: uppercase;
    color: #9FBBD6;
    margin-bottom: 22px;
}

.ebook-cover-title {
    font-size: clamp(1.25rem, 1.8vw, 1.55rem);
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -0.4px;
    margin-bottom: 16px;
}

.ebook-cover-sub {
    font-size: 0.78rem;
    line-height: 1.6;
    color: #C7D6E5;
    max-width: 32ch;
}

.ebook-cover-foot {
    margin-top: auto;
    padding-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 0.7rem;
    letter-spacing: 0.6px;
    color: #9FBBD6;
}

.ebook-cover-foot strong {
    color: #F1F5F9;
    font-size: 0.8rem;
    letter-spacing: 1px;
}

/* ---------- Il modulo del download ---------- */
.gate-card {
    background: var(--bg-card, #ffffff);
    border: 1px solid var(--border-color, rgba(22, 64, 104, 0.12));
    border-radius: var(--radius-lg, 16px);
    padding: 36px 38px;
    box-shadow: var(--shadow, 0 2px 10px rgba(10, 40, 68, 0.06));
}

.gate-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: #0A2844;
    margin-bottom: 10px;
}

.gate-card > p {
    font-size: 0.92rem;
    line-height: 1.7;
    color: #5A6270;
    margin-bottom: 24px;
}

.gate-row {
    display: flex;
    gap: 12px;
    align-items: stretch;
}

.gate-row .form-group {
    flex: 1;
    margin-bottom: 0;
}

.gate-row .btn {
    white-space: nowrap;
    padding: 12px 26px;
}

.gate-note {
    font-size: 0.76rem;
    line-height: 1.6;
    color: #8A93A2;
    margin-top: 14px;
}

/* ---------- Gli esiti della verifica ---------- */
.gate-status {
    margin-top: 18px;
    padding: 14px 18px;
    border-radius: 10px;
    font-size: 0.9rem;
    line-height: 1.6;
    border: 1px solid transparent;
}

.gate-status.is-ok {
    background: rgba(16, 185, 129, 0.08);
    border-color: rgba(16, 185, 129, 0.35);
    color: #0F3D2E;
}

.gate-status.is-no {
    background: rgba(245, 158, 11, 0.08);
    border-color: rgba(245, 158, 11, 0.4);
    color: #6B4A0A;
}

.gate-status.is-errore {
    background: rgba(239, 68, 68, 0.07);
    border-color: rgba(239, 68, 68, 0.35);
    color: #5C1A1F;
}

.gate-status strong {
    font-weight: 700;
}

/* ---------- Il modulo di iscrizione (compare solo se serve) ---------- */
.gate-subscribe {
    margin-top: 26px;
    padding-top: 26px;
    border-top: 1px dashed var(--border-color, rgba(22, 64, 104, 0.18));
}

.gate-subscribe h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: #0A2844;
    margin-bottom: 6px;
}

.gate-subscribe > p {
    font-size: 0.86rem;
    line-height: 1.65;
    color: #5A6270;
    margin-bottom: 20px;
}

.gate-subscribe .form-due {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 16px;
}

.gate-subscribe .form-check {
    margin-bottom: 14px;
}

/* ---------- I tre passi sopra il modulo ---------- */
.gate-passi {
    display: flex;
    gap: 22px;
    max-width: 1040px;
    margin: 40px auto 0;
    padding: 0;
    list-style: none;
    counter-reset: passo;
}

.gate-passi li {
    flex: 1;
    position: relative;
    padding: 18px 20px 16px 56px;
    background: rgba(22, 64, 104, 0.05);
    border: 1px solid rgba(22, 64, 104, 0.1);
    border-radius: 12px;
    font-size: 0.85rem;
    line-height: 1.6;
    color: #5A6270;
    counter-increment: passo;
}

.gate-passi li::before {
    content: counter(passo);
    position: absolute;
    left: 18px;
    top: 18px;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: #164068;
    color: #ffffff;
    font-weight: 700;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gate-passi li strong {
    color: #0A2844;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
    .ebook-gate {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .ebook-cover {
        max-width: 300px;
        margin: 0 auto;
    }

    .gate-passi {
        flex-direction: column;
        max-width: 560px;
    }
}

@media (max-width: 560px) {
    .gate-card {
        padding: 26px 22px;
    }

    /* pulsante sotto al campo: in riga non ci sta */
    .gate-row {
        flex-direction: column;
    }

    .gate-subscribe .form-due {
        grid-template-columns: 1fr;
    }
}