.page-estrutura .page-banner-section {
    background-image: linear-gradient(140deg, #fff 40%, rgba(255, 165, 0, 0.4) 100%);
    padding-top: 0;
}

.estrutura-intro {
    text-align: center;
    margin-bottom: 3rem;
}

.estrutura-intro h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.estrutura-intro p {
    color: #555;
    margin: 0;
}

.estrutura-card {
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 16px;
    padding: 1.75rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.estrutura-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.08);
}

.estrutura-card-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #ffb347 0%, #ff7b00 100%);
    color: #fff;
    font-size: 1.5rem;
}

.estrutura-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0;
}

.estrutura-card p {
    color: #555;
    line-height: 1.6;
    margin: 0;
}

.estrutura-card-link {
    margin-top: auto;
    font-weight: 600;
    color: #c55a11;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.estrutura-card-link::after {
    content: '\f061';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    font-size: 0.875rem;
    transition: transform 0.2s ease;
}

.estrutura-card-link:hover::after {
    transform: translateX(4px);
}

.estrutura-detail {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.estrutura-detail-content h2,
.estrutura-detail-content h3 {
    font-weight: 700;
}

.estrutura-detail-content p {
    color: #555;
    line-height: 1.8;
}

.estrutura-detail-image {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
    margin: 0 0 1.5rem;
}

.estrutura-detail-image img {
    width: 100%;
    display: block;
}

.estrutura-detail-image figcaption {
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    color: #666;
    background: #faf7f2;
}

.estrutura-highlight {
    background: #fff6ea;
    border: 1px solid rgba(227, 168, 87, 0.3);
    border-radius: 14px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.estrutura-highlight h3 {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
}

.estrutura-highlight ul {
    margin: 0;
    padding-left: 1.1rem;
    color: #555;
}

.estrutura-callout {
    background: #f3f6ff;
    border-radius: 14px;
    padding: 1.75rem;
    border: 1px solid rgba(63, 81, 181, 0.1);
}

.estrutura-callout h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.estrutura-callout p {
    margin-bottom: 0.5rem;
    color: #455a64;
}

.estrutura-callout i {
    color: #3f51b5;
    margin-right: 0.5rem;
}

.estrutura-grid-info {
    display: grid;
    gap: 1.5rem;
}

.estrutura-grid-info h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.estrutura-detail-section {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.estrutura-detail-section h3 {
    font-size: 1.375rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.estrutura-detail-section h3 i {
    color: #c55a11;
}

.estrutura-download-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.estrutura-download-list li a {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    padding: 0.9rem 1.1rem;
    border-radius: 12px;
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.06);
    text-decoration: none;
    color: #37474f;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.estrutura-download-list li a:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
}

.estrutura-download-list li a i {
    color: #ff7b00;
    font-size: 1.1rem;
}

.estrutura-download-list li a span {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.estrutura-download-list li a small {
    color: #78909c;
    font-size: 0.8125rem;
}

.estrutura-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.estrutura-sidebar-card {
    background: #fff;
    border-radius: 16px;
    border: 1px solid rgba(0, 0, 0, 0.06);
    padding: 1.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.estrutura-sidebar-card h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.estrutura-sidebar-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.estrutura-sidebar-card a {
    color: #37474f;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.estrutura-sidebar-card i {
    color: #c55a11;
}

.estrutura-ordered-list {
    padding-left: 1.2rem;
    color: #555;
    line-height: 1.7;
}

.estrutura-button {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: linear-gradient(135deg, #ff944d 0%, #ff7b00 100%);
    color: #fff;
    padding: 0.85rem 1.75rem;
    border-radius: 999px;
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.estrutura-button:hover {
    color: #FFF;
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(255, 123, 0, 0.3);
}

.estrutura-detail-section h2 ,
.estrutura-detail-content h2 {
    margin-bottom: 20px;
}
.estrutura-detail-section h3 ,
.estrutura-detail-content h3 {
    margin-top: 20px;
}
.estrutura-detail-section .estrutura-highlight h3 ,
.estrutura-detail-content .estrutura-highlight h3 {
    margin-top: 0;
}

@media (max-width: 991px) {
    .estrutura-card {
        padding: 1.5rem;
    }

    .estrutura-grid-info {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

@media (max-width: 575px) {
    .estrutura-card-icon {
        width: 52px;
        height: 52px;
        font-size: 1.25rem;
    }

    .estrutura-card h3 {
        font-size: 1.15rem;
    }

    .estrutura-detail-image {
        margin-bottom: 1rem;
    }
}