.article-cta {
    margin: 3rem 0;
    padding: 2.5rem;
    background: linear-gradient(135deg, var(--gray-50, #f9fafb) 0%, #ffffff 100%);
    border: 1px solid var(--gray-200, #e5e7eb);
    border-radius: var(--radius-xl, 1rem);
    box-shadow: var(--shadow-sm, 0 1px 2px 0 rgba(0,0,0,0.05));
}

.article-cta__title {
    font-size: 1.75rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--gray-900, #111827);
    margin-bottom: 1.25rem;
    letter-spacing: -0.025em;
}

.article-cta__lead {
    font-size: 1.0625rem;
    line-height: 1.7;
    color: var(--gray-700, #374151);
    margin-bottom: 1.75rem;
}

.article-cta__subtitle {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-900, #111827);
    margin-bottom: 1rem;
}

.article-cta__list {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.article-cta__list li {
    position: relative;
    padding-left: 1.75rem;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--gray-700, #374151);
}

.article-cta__list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0.1em;
    color: var(--primary, #2563eb);
    font-weight: 700;
    font-size: 1.125rem;
}

.article-cta__list li strong {
    color: var(--gray-900, #111827);
    font-weight: 600;
}

.article-cta__action {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px dashed var(--gray-200, #e5e7eb);
    display: flex;
    flex-direction: row-reverse;
}

.cta-whatsapp {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    min-height: 3rem;
    padding: 0.875rem 1.75rem;
    font-family: inherit;
    font-size: 1.0625rem;
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.01em;
    text-decoration: none;
    white-space: nowrap;
    color: #111827;
    background-color: #ffffff;
    border: 1.5px solid #d1d5db;
    border-radius: 0.75rem;
    box-shadow: 
        0 1px 2px rgba(0, 0, 0, 0.04),
        0 2px 4px rgba(0, 0, 0, 0.02);
    transition: 
        transform 0.15s cubic-bezier(0.4, 0, 0.2, 1),
        box-shadow 0.2s cubic-bezier(0.4, 0, 0.2, 1),
        border-color 0.2s ease,
        background-color 0.2s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    margin-left: auto;
}

.cta-whatsapp:hover {
    background-color: #f9fafb;
    border-color: #9ca3af;
    transform: translateY(-2px) scale(1.01);
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.08),
        0 2px 4px -1px rgba(0, 0, 0, 0.04),
        0 10px 15px -3px rgba(0, 0, 0, 0.04);
}

.cta-whatsapp:active {
    transform: translateY(0) scale(0.99);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
    transition-duration: 0.05s;
}

.cta-whatsapp:focus-visible {
    outline: 2.5px solid #111827;
    outline-offset: 3px;
    border-color: #111827;
}

.cta-whatsapp__icon {
    width: 1.5rem;
    height: 1.5rem;
    flex-shrink: 0;
    color: #4b5563;
    transition: color 0.2s ease, transform 0.2s ease;
}

.cta-whatsapp:hover .cta-whatsapp__icon {
    color: #111827;
    transform: scale(1.1);
}

.cta-whatsapp__text {
    position: relative;
}

.cta-whatsapp__text::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: currentColor;
    transition: width 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0.3;
}

.cta-whatsapp:hover .cta-whatsapp__text::after {
    width: 100%;
}

.whatsapp-icon {
    width: 24px;
    height: 24px;
}

@media (max-width: 640px) {
    .article-cta {
        padding: 1.5rem;
        margin: 2rem 0;
    }
    .article-cta__title {
        font-size: 1.375rem;
    }
    .article-cta__lead {
        font-size: 1rem;
    }
}