/* ==========================================================================
   COURSE.HTML - Catálogo, Grelha de Cursos e Elementos Interativos (2026)
   ========================================================================== */

:root {
    --primary: #007bff;
    --primary-light: #3b82f6;
    --primary-dark: #0056b3;
    --text-dark: #0f172a;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --bg-light: #f8fafc;
}

/* --------------------------------------------------------------------------
   NOVO: Botões com Alta Interatividade (Efeito Hover Dinâmico)
   -------------------------------------------------------------------------- */
.btn-interactive-primary {
    background-color: var(--primary);
    color: #ffffff !important;
    border: 2px solid var(--primary);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: 0 2px 5px rgba(0, 123, 255, 0.2);
}

.btn-interactive-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.4);
}

.btn-interactive-outline {
    background-color: transparent;
    color: var(--primary) !important;
    border: 2px solid var(--primary);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.btn-interactive-outline:hover {
    background-color: var(--primary);
    color: #ffffff !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.3);
}

/* --------------------------------------------------------------------------
   Cabeçalho Otimizado - Compacto, Bonito e Sem Espaços Mortos
   -------------------------------------------------------------------------- */
/* Cabeçalho Ultra Otimizado e Compacto */
.page-header {
    background: linear-gradient(rgba(15, 23, 42, 0.85), rgba(15, 23, 42, 0.9)), url('../img/hero-bg.jpg') no-repeat center center;
    background-size: cover;
    padding: 20px 0 !important;       /* Reduzido para encolher a aba verticalmente */
    margin-bottom: 35px !important;   /* Espaço ideal e controlado antes de começarem os cursos */
    border-bottom: 3px solid var(--primary);
}

.page-header h3 {
    font-size: 2.3rem !important;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -0.5px;
}

/* --------------------------------------------------------------------------
   Filtros de Cursos (Abas ou Botões de Categoria) 
   -------------------------------------------------------------------------- */
.course-filter-btn {
    padding: 10px 24px;
    border-radius: 30px;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.2s ease;
    border: 1px solid #cbd5e1;
    background: #ffffff;
    color: var(--text-muted);
}

.course-filter-btn:hover,
.course-filter-btn.active {
    background-color: var(--primary);
    border-color: var(--primary);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.2);
}

/* --------------------------------------------------------------------------
   Cartão do Curso (Card Moderno)
   -------------------------------------------------------------------------- */
.course-card {
    background: #ffffff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
    border: 1px solid var(--border-color);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.course-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 30px rgba(15, 23, 42, 0.08);
    border-color: rgba(0, 123, 255, 0.2);
}

/* Imagem de Destaque do Curso */
.course-img-wrapper {
    position: relative;
    overflow: hidden;
    padding-top: 56.25%; /* Proporção 16:9 standard */
    background-color: #f1f5f9;
}

.course-img-wrapper img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.course-card:hover .course-img-wrapper img {
    transform: scale(1.04);
}

/* Badge de Categoria sobre o Curso */
.course-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    z-index: 2;
}

.badge-formal { background-color: #0f172a; }     /* Programas Formais */
.badge-nao-formal { background-color: #0284c7; } /* Programas Livres / Não-Formais */

/* Corpo do Cartão */
.course-body {
    padding: 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.course-body h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
    line-height: 1.4;
}

.course-body p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

/* Detalhes de Rodapé do Cartão (Duração/Carga horária) */
.course-meta {
    margin-top: auto;
    padding-top: 15px;
    border-top: 1px solid #f1f5f9;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: #94a3b8;
}

.course-meta i {
    color: var(--primary);
    margin-right: 5px;
}

/* Botão interno do card ajustado para interatividade */
.course-card .btn {
    transition: all 0.3s ease;
}
.course-card:hover .btn-primary {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
}

/* Ajustes de Responsividade */
@media (max-width: 767.98px) {
    .page-header {
        padding: 40px 0 !important;
    }
    .page-header h3 {
        font-size: 1.8rem !important;
    }
}