.transparency-hero {
    margin-top: 80px;
    background: linear-gradient(135deg, #37474F 0%, #455A64 100%);
    color: white;
    padding: 4rem 0 3rem;
    position: relative;
    overflow: hidden;
    border-radius: 0 0 40px 40px;
    margin-bottom: 3rem;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}
.hero-pattern {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background-image: radial-gradient(#ffffff 1px, transparent 1px);
    background-size: 30px 30px; opacity: 0.05;
}

.platform-card {
    background: white;
    border: 1px solid #f0f0f0;
    border-radius: 16px;
    padding: 2rem 1.5rem;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    height: 100%;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    text-decoration: none;
    display: block;
    color: #444;
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
}
.platform-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
    border-color: rgba(233, 30, 99, 0.3);
}
.platform-icon {
    width: 70px; height: 70px;
    background: #f8f9fa;
    border-radius: 20px;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    transition: 0.3s;
    color: #555;
}
.platform-card:hover .platform-icon {
    background: #E91E63;
    color: white;
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 5px 15px rgba(233, 30, 99, 0.3);
}
.platform-title { font-weight: 800; font-size: 1.1rem; margin-bottom: 0.5rem; letter-spacing: -0.5px; }
.platform-desc { font-size: 0.85rem; color: #888; line-height: 1.4; }

.accordion-custom .accordion-item {
    border: none;
    margin-bottom: 1rem;
    background: transparent;
}
.accordion-custom .accordion-button {
    background: white;
    border-radius: 12px !important;
    box-shadow: 0 2px 5px rgba(0,0,0,0.02);
    font-weight: 700;
    color: #444;
    padding: 1.2rem 1.5rem;
    border: 1px solid #f0f0f0;
    transition: 0.3s;
}
.accordion-custom .accordion-button:not(.collapsed) {
    background: #fff;
    color: #E91E63;
    box-shadow: 0 8px 20px rgba(233, 30, 99, 0.08);
    border-color: rgba(233, 30, 99, 0.2);
}

.accordion-custom .accordion-button::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23333'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}
.accordion-custom .accordion-button:not(.collapsed)::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23E91E63'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}

.accordion-custom .accordion-body {
    background: white;
    border-radius: 0 0 12px 12px;
    margin-top: -5px;
    padding: 1rem;
    border: 1px solid #f0f0f0;
    border-top: none;
}

.doc-link {
    display: flex; align-items: center;
    padding: 12px 15px;
    color: #666;
    text-decoration: none;
    border-radius: 8px;
    transition: 0.2s;
    font-size: 0.95rem;
    margin-bottom: 5px;
}
.doc-link:hover {
    background-color: #fce4ec; 
    color: #E91E63;
    padding-left: 20px; 
}
.doc-link i { margin-right: 12px; font-size: 1.2rem; min-width: 25px; text-align: center; }

.btn-historico {
    border: 2px dashed #ccc;
    color: #777;
    background: #f9f9f9;
}
.btn-historico:hover {
    border-color: #999;
    background: #eee;
    color: #333;
}