/**
 * Utilitários e Classes Globais
 * 
 * ESPECIFICIDADE: Nível 1-2 - Classes utilitárias
 * NAMESPACING: Prefixo .section-* para seções globais
 * PRIORIDADE: Carregamento #4
 */

/* ===== SEÇÕES GLOBAIS ===== */
.section {
    padding: var(--spacing-3xl) 0;
    position: relative;
}

.section--sm {
    padding: var(--spacing-2xl) 0;
}

.section--lg {
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
}

/* ===== ELEMENTOS DE SEÇÃO ===== */
.section__tag {
    /* Layout */
    display: inline-block;
    margin-bottom: var(--spacing-md);
    
    /* Visual */
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50px;
    
    /* Espaçamento */
    padding: var(--spacing-xs) var(--spacing-lg);
    
    /* Tipografia */
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section__title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.section__description {
    font-size: var(--font-size-lg);
    color: var(--gray);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
    max-width: 600px;
}

/* ===== CLASSES UTILITÁRIAS DE DISPLAY ===== */
.d-none { display: none !important; }
.d-block { display: block !important; }
.d-inline { display: inline !important; }
.d-inline-block { display: inline-block !important; }
.d-flex { display: flex !important; }
.d-inline-flex { display: inline-flex !important; }

/* ===== CLASSES UTILITÁRIAS DE FLEXBOX ===== */
.flex-row { flex-direction: row !important; }
.flex-column { flex-direction: column !important; }
.flex-wrap { flex-wrap: wrap !important; }
.flex-nowrap { flex-wrap: nowrap !important; }

.justify-content-start { justify-content: flex-start !important; }
.justify-content-end { justify-content: flex-end !important; }
.justify-content-center { justify-content: center !important; }
.justify-content-between { justify-content: space-between !important; }
.justify-content-around { justify-content: space-around !important; }

.align-items-start { align-items: flex-start !important; }
.align-items-end { align-items: flex-end !important; }
.align-items-center { align-items: center !important; }
.align-items-stretch { align-items: stretch !important; }

/* ===== CLASSES UTILITÁRIAS DE TEXTO ===== */
.text-left { text-align: left !important; }
.text-center { text-align: center !important; }
.text-right { text-align: right !important; }

.text-uppercase { text-transform: uppercase !important; }
.text-lowercase { text-transform: lowercase !important; }
.text-capitalize { text-transform: capitalize !important; }

.font-weight-normal { font-weight: 400 !important; }
.font-weight-bold { font-weight: 700 !important; }

/* ===== CLASSES UTILITÁRIAS DE MARGIN ===== */
.m-0 { margin: 0 !important; }
.m-1 { margin: var(--spacing-xs) !important; }
.m-2 { margin: var(--spacing-sm) !important; }
.m-3 { margin: var(--spacing-md) !important; }
.m-4 { margin: var(--spacing-lg) !important; }
.m-5 { margin: var(--spacing-xl) !important; }

.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: var(--spacing-xs) !important; }
.mt-2 { margin-top: var(--spacing-sm) !important; }
.mt-3 { margin-top: var(--spacing-md) !important; }
.mt-4 { margin-top: var(--spacing-lg) !important; }
.mt-5 { margin-top: var(--spacing-xl) !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: var(--spacing-xs) !important; }
.mb-2 { margin-bottom: var(--spacing-sm) !important; }
.mb-3 { margin-bottom: var(--spacing-md) !important; }
.mb-4 { margin-bottom: var(--spacing-lg) !important; }
.mb-5 { margin-bottom: var(--spacing-xl) !important; }

.ml-0 { margin-left: 0 !important; }
.ml-1 { margin-left: var(--spacing-xs) !important; }
.ml-2 { margin-left: var(--spacing-sm) !important; }
.ml-3 { margin-left: var(--spacing-md) !important; }
.ml-auto { margin-left: auto !important; }

.mr-0 { margin-right: 0 !important; }
.mr-1 { margin-right: var(--spacing-xs) !important; }
.mr-2 { margin-right: var(--spacing-sm) !important; }
.mr-3 { margin-right: var(--spacing-md) !important; }
.mr-auto { margin-right: auto !important; }

/* ===== CLASSES UTILITÁRIAS DE PADDING ===== */
.p-0 { padding: 0 !important; }
.p-1 { padding: var(--spacing-xs) !important; }
.p-2 { padding: var(--spacing-sm) !important; }
.p-3 { padding: var(--spacing-md) !important; }
.p-4 { padding: var(--spacing-lg) !important; }
.p-5 { padding: var(--spacing-xl) !important; }

.pt-0 { padding-top: 0 !important; }
.pt-1 { padding-top: var(--spacing-xs) !important; }
.pt-2 { padding-top: var(--spacing-sm) !important; }
.pt-3 { padding-top: var(--spacing-md) !important; }
.pt-4 { padding-top: var(--spacing-lg) !important; }
.pt-5 { padding-top: var(--spacing-xl) !important; }

.pb-0 { padding-bottom: 0 !important; }
.pb-1 { padding-bottom: var(--spacing-xs) !important; }
.pb-2 { padding-bottom: var(--spacing-sm) !important; }
.pb-3 { padding-bottom: var(--spacing-md) !important; }
.pb-4 { padding-bottom: var(--spacing-lg) !important; }
.pb-5 { padding-bottom: var(--spacing-xl) !important; }

/* ===== CLASSES UTILITÁRIAS DE COR ===== */
.text-primary { color: var(--primary-color) !important; }
.text-secondary { color: var(--secondary-color) !important; }
.text-success { color: var(--success) !important; }
.text-warning { color: var(--warning) !important; }
.text-danger { color: var(--error) !important; }
.text-muted { color: var(--gray) !important; }
.text-white { color: var(--white) !important; }

.bg-primary { background-color: var(--primary-color) !important; }
.bg-secondary { background-color: var(--secondary-color) !important; }
.bg-light { background-color: var(--light-gray) !important; }
.bg-white { background-color: var(--white) !important; }

/* ===== CLASSES UTILITÁRIAS DE BORDA ===== */
.border { border: 1px solid var(--light-gray) !important; }
.border-0 { border: 0 !important; }
.border-top { border-top: 1px solid var(--light-gray) !important; }
.border-bottom { border-bottom: 1px solid var(--light-gray) !important; }

.rounded { border-radius: var(--border-radius-md) !important; }
.rounded-sm { border-radius: var(--border-radius-sm) !important; }
.rounded-lg { border-radius: var(--border-radius-lg) !important; }
.rounded-circle { border-radius: 50% !important; }

/* ===== CLASSES UTILITÁRIAS DE SOMBRA ===== */
.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow { box-shadow: var(--shadow-md) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }
.shadow-none { box-shadow: none !important; }

/* ===== CLASSES RESPONSIVAS ===== */
@media (max-width: 575px) {
    .d-mobile-none { display: none !important; }
    .d-mobile-block { display: block !important; }
    .d-mobile-flex { display: flex !important; }
    
    .text-mobile-center { text-align: center !important; }
    .text-mobile-left { text-align: left !important; }
    
    .flex-mobile-column { flex-direction: column !important; }
    .justify-content-mobile-center { justify-content: center !important; }
}

@media (min-width: 576px) {
    .d-sm-none { display: none !important; }
    .d-sm-block { display: block !important; }
    .d-sm-flex { display: flex !important; }
}

@media (min-width: 768px) {
    .d-md-none { display: none !important; }
    .d-md-block { display: block !important; }
    .d-md-flex { display: flex !important; }
    
    .d-desktop-none { display: none !important; }
}

@media (min-width: 992px) {
    .d-lg-none { display: none !important; }
    .d-lg-block { display: block !important; }
    .d-lg-flex { display: flex !important; }
}

/* ===== CLASSES DE ESTADO ===== */
.disabled {
    opacity: 0.6;
    pointer-events: none;
    cursor: not-allowed;
}

.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid transparent;
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: loadingSpin 1s linear infinite;
}

/* ===== CLASSES DE DEBUG (DESENVOLVIMENTO) ===== */
.debug-border { border: 2px solid red !important; }
.debug-bg { background: rgba(255, 0, 0, 0.1) !important; }
.debug-outline { outline: 2px solid blue !important; }