/* ================================================
   Utility Helpers
   ================================================ */
.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.text-highlight { color: var(--color-highlight); }
.gradient-text {
  position: relative;
  color: var(--color-highlight);
  background-image: var(--gradient-brand), linear-gradient(120deg, rgba(255,255,255,0.4), rgba(255,255,255,0));
  background-repeat: no-repeat;
  background-size: 100%;
  background-position: center;
}

@supports ((background-clip: text) or (-webkit-background-clip: text)) {
  .gradient-text {
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
  }
}

.fw-medium { font-weight: var(--weight-medium); }
.fw-semibold { font-weight: var(--weight-semibold); }

.fs-xs { font-size: var(--step--1); }
.fs-sm { font-size: 0.95rem; }
.fs-lg { font-size: var(--step-1); }

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

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

.gap-xs { gap: var(--space-xs); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.flex-center { justify-content: center; align-items: center; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }

.grid { display: grid; }

.min-h-screen { min-height: 100vh; }

.hidden { display: none !important; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

.border { border: 1px solid var(--color-border); }
.border-top { border-top: 1px solid var(--color-border); }

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

.bg-surface { background: var(--color-surface); }
.bg-muted { background: var(--color-surface-muted); }
.bg-inverse { background: var(--color-surface-inverse); color: #fff; }

.text-shadow { text-shadow: 0 1px 2px rgba(0,0,0,0.18); }

/* Responsive helpers */
@media (min-width: 768px) {
  .md\:text-left { text-align: left; }
  .md\:layout-grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-xl); }
}