/* ==========================================================================
   JBC — Layout
   Navegação, rodapé, container e ritmo vertical das seções.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Container e seções
   -------------------------------------------------------------------------- */

section {
    padding: 80px 0;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-gutter);
}

/* Páginas de leitura (FAQ, Links) usam uma medida mais estreita */
.container--narrow {
    max-width: 900px;
}

/* --------------------------------------------------------------------------
   Navegação
   -------------------------------------------------------------------------- */

.site-nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(229, 229, 229, 0.5);
    z-index: 1000;
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-gutter);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--nav-height);
}

.logo {
    display: block;
    text-decoration: none;
}

.logo img {
    height: 40px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: 40px;
    list-style: none;
    align-items: center;
}

.nav-links a {
    color: var(--gray);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: color 0.2s ease;
    position: relative;
    padding-bottom: 4px;
}

.nav-links a:hover {
    color: var(--brand-secondary);
}

.nav-links a:hover::after {
    content: '';
    position: absolute;
    bottom: -24px;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 3px;
    background: var(--brand-secondary);
    border-radius: 2px 2px 0 0;
}

.nav-links a[aria-current="page"] {
    color: var(--brand-primary);
}

.nav-links a[aria-current="page"]::after {
    content: '';
    position: absolute;
    bottom: -24px;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 3px;
    background: var(--brand-primary);
    border-radius: 2px 2px 0 0;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--dark);
    cursor: pointer;
    line-height: 1;
    padding: 8px;
}

/* --------------------------------------------------------------------------
   Rodapé
   Superfície escura alinhada à escala de cinza do Design Playbook
   (antes usava #1A1A1A / #2D2D2D / #999999, fora da paleta).
   -------------------------------------------------------------------------- */

.site-footer {
    background: var(--dark-3);
    color: rgba(255, 255, 255, 0.72);
    padding: 60px 0 32px;
}

.footer-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-gutter);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 80px;
    margin-bottom: 48px;
    align-items: start;
}

.footer-brand img {
    height: 40px;
    width: auto;
    margin-bottom: 16px;
    display: block;
}

.footer-contact address {
    font-style: normal;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
    max-width: 400px;
}

.social-links {
    display: flex;
    gap: 12px;
    align-items: center;
    list-style: none;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: background 0.2s ease;
    flex-shrink: 0;
}

.social-links a:hover {
    background: var(--brand-03);
}

.social-links a i {
    font-size: 20px;
    color: var(--white);
    opacity: 0.75;
    transition: opacity 0.2s ease;
    display: block;
}

.social-links a:hover i {
    opacity: 1;
}

.footer-contact h2 {
    font-size: 16px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 20px;
}

.footer-contact ul {
    list-style: none;
}

.footer-contact ul li {
    margin-bottom: 12px;
    font-size: 14px;
    line-height: 1.6;
}

.footer-contact ul li a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-contact ul li a:hover {
    color: var(--white);
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    text-align: center;
    font-size: 13px;
}

/* --------------------------------------------------------------------------
   Responsivo
   -------------------------------------------------------------------------- */

@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    section {
        padding: 56px 0;
    }

    .container,
    .nav-container,
    .footer-container {
        --container-gutter: 20px;
    }

    .nav-container {
        position: relative;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        gap: 0;
        padding: 12px 20px 24px;
        border-bottom: 1px solid rgba(229, 229, 229, 0.5);
        transform-origin: top;
        transform: scaleY(0);
        transition: transform 0.22s ease, opacity 0.22s ease;
        opacity: 0;
        z-index: 1001;
    }

    .nav-links.is-open {
        display: flex;
        transform: scaleY(1);
        opacity: 1;
    }

    .nav-links li {
        padding: 8px 0;
    }

    .nav-links a {
        padding: 12px 0;
        font-size: 16px;
        color: var(--dark);
        display: block;
        position: relative;
    }

    .nav-links a::after,
    .nav-links a[aria-current="page"]::after {
        content: '';
        position: absolute;
        bottom: 12px;
        left: 50%;
        transform: translateX(-50%);
        width: 44px;
        height: 3px;
        background: var(--brand-primary);
        border-radius: 2px;
        opacity: 0;
        transition: opacity 0.15s ease;
    }

    .nav-links a:hover::after {
        opacity: 1;
        background: var(--brand-secondary);
    }

    .nav-links a[aria-current="page"]::after {
        opacity: 1;
        background: var(--brand-primary);
    }

    .mobile-menu-btn {
        display: block;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}