/* Utility classes — compact spacing & layout helpers */

.d-flex { display: flex; }
.d-inline-flex { display: inline-flex; }
.d-grid { display: grid; }
.d-block { display: block; }
.d-none { display: none; }

.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-shrink-0 { flex-shrink: 0; }
.flex-grow-1 { flex-grow: 1; }

.align-items-center { align-items: center; }
.align-items-start { align-items: flex-start; }
.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }
.justify-content-left { justify-content: flex-start; }

.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

.text-center { text-align: center; }
.text-start { text-align: start; }
.text-end { text-align: end; }
.text-uppercase { text-transform: uppercase; letter-spacing: 0.04em; }
.text-decoration-none { text-decoration: none; }
.text-truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.fw-bold { font-weight: 700; }
.fw-semibold { font-weight: 600; }
.font-weight-bold { font-weight: 700; }

.text-primary { color: var(--primary) !important; }
.text-secondary { color: var(--secondary) !important; }
.text-success { color: var(--success) !important; }
.text-warning { color: var(--warning) !important; }
.text-danger { color: var(--danger) !important; }
.text-info { color: var(--info) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-white { color: #fff !important; }
.text-dark { color: var(--text) !important; }
.text-gray-300 { color: var(--text-muted) !important; }
.text-gray-800 { color: var(--text) !important; }

.bg-primary { background-color: var(--primary) !important; color: var(--primary-text) !important; }
.bg-success { background-color: var(--success) !important; color: #fff !important; }
.bg-warning { background-color: var(--warning) !important; color: var(--text) !important; }
.bg-danger { background-color: var(--danger) !important; color: #fff !important; }
.bg-info { background-color: var(--info) !important; color: #fff !important; }
.bg-secondary { background-color: var(--secondary) !important; color: #fff !important; }
.bg-light { background-color: var(--bg-subtle) !important; }
.bg-white { background-color: var(--surface) !important; }

.border-0 { border: none !important; }

.rounded { border-radius: var(--radius-md); }
.rounded-3 { border-radius: var(--radius-lg); }
.rounded-circle { border-radius: var(--radius-full); }

.shadow { box-shadow: var(--shadow-md); }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-lg { box-shadow: var(--shadow-lg); }

.mx-auto { margin-inline: auto; }

.m-0 { margin: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: var(--space-1) !important; }
.mb-2 { margin-bottom: var(--space-2) !important; }
.mb-3 { margin-bottom: var(--space-3) !important; }
.mb-4 { margin-bottom: var(--space-4) !important; }
.mb-5 { margin-bottom: var(--space-5) !important; }
.mt-2 { margin-top: var(--space-2) !important; }
.mt-3 { margin-top: var(--space-3) !important; }
.mt-4 { margin-top: var(--space-4) !important; }
.mt-5 { margin-top: var(--space-5) !important; }
.my-4 { margin-block: var(--space-4) !important; }
.me-1 { margin-inline-end: var(--space-1) !important; }
.me-2 { margin-inline-end: var(--space-2) !important; }
.me-3 { margin-inline-end: var(--space-3) !important; }
.ms-2 { margin-inline-start: var(--space-2) !important; }
.ms-3 { margin-inline-start: var(--space-3) !important; }

.p-3 { padding: var(--space-3) !important; }
.p-4 { padding: var(--space-4) !important; }
.p-5 { padding: var(--space-5) !important; }
.py-2 { padding-block: var(--space-2) !important; }
.py-3 { padding-block: var(--space-3) !important; }
.py-4 { padding-block: var(--space-4) !important; }
.py-5 { padding-block: var(--space-6) !important; }
.pb-5 { padding-bottom: var(--space-6) !important; }
.px-4 { padding-inline: var(--space-4) !important; }

.list-unstyled { list-style: none; padding: 0; margin: 0; }

.small { font-size: var(--text-xs); }

.h3 { font-size: var(--text-lg); font-weight: 600; }
.h5 { font-size: var(--text-md); font-weight: 600; }
.h6 { font-size: var(--text-sm); font-weight: 600; }

.display-4 { font-size: var(--text-3xl); font-weight: 700; line-height: 1.2; }
.display-5 { font-size: var(--text-2xl); font-weight: 700; line-height: 1.25; }
.display-6 { font-size: var(--text-xl); font-weight: 700; line-height: 1.3; }

.lead { font-size: var(--text-base); color: var(--text-secondary); line-height: 1.6; }

.text-xs { font-size: var(--text-xs); }

@media (min-width: 992px) {
    .mb-lg-0 { margin-bottom: 0 !important; }
    .mb-5.mb-lg-0 { margin-bottom: 0 !important; }
}

@media (min-width: 768px) {
    .col-md-3.mb-3,
    .col-md-6.mb-3,
    .col-md-3.mb-4,
    .col-md-6.mb-4 { margin-bottom: var(--space-3); }
}

@media (max-width: 767px) {
    .display-4 { font-size: var(--text-2xl); }
    .display-5 { font-size: var(--text-xl); }
    .display-6 { font-size: var(--text-lg); }
}