/* ==========================================================================
   Solução Nav — Barra de navegação por âncoras (sticky, scrollspy)
   ========================================================================== */

.solucao-nav {
    position: sticky;
    top: calc(var(--header-height, 80px) - 1px);
    z-index: 90;
    width: 100%;
    background-color: var(--color-button);
    padding: clamp(32px, calc(13.71px + 1.79vw), 48px) var(--space-page-x);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: clamp(12px, 1.5vw, 24px);
    transition: padding var(--transition-base);
}

.solucao-nav--stuck {
    padding-top: 14px;
    padding-bottom: 14px;
}

.solucao-nav__link {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 15px;
    line-height: 22px;
    color: #FFFFFF;
    white-space: nowrap;
    text-decoration: none;
    padding-bottom: 2px;
    border-bottom: 2px solid transparent;
    transition: opacity var(--transition-fast), border-color var(--transition-fast);
}

.solucao-nav__link:hover {
    opacity: 0.75;
}

.solucao-nav__link--active {
    border-bottom-color: #FFFFFF;
}

/* Offset de scroll nas seções-alvo para compensar header + nav sticky */
.solucao-problema,
.solucao-visao,
.solucao-modulos,
.solucao-func,
.solucao-segmentos {
    scroll-margin-top: calc(var(--header-height, 80px) + 60px);
}

/* ===== Responsivo ===== */

@media (max-width: 768px) {
    .solucao-nav {
        flex-wrap: wrap;
        padding: 24px;
        gap: 12px 20px;
        justify-content: center;
    }

    .solucao-nav--stuck {
        padding-top: 10px;
        padding-bottom: 10px;
    }

    .solucao-nav__link {
        font-size: 13px;
    }
}