/* ============================================================
   07-utilities.css — Classes utilitaires
   ============================================================ */

/* === DISPLAY === */
.hidden { display: none !important; }
.block  { display: block; }
.flex   { display: flex; }
.inline-flex { display: inline-flex; }
.grid   { display: grid; }

/* === FLEX === */
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.items-center { align-items: center; }
.items-start  { align-items: flex-start; }
.items-end    { align-items: flex-end; }
.items-baseline { align-items: baseline; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-start   { justify-content: flex-start; }
.justify-end     { justify-content: flex-end; }
.flex-1 { flex: 1 1 0%; }
.flex-wrap { flex-wrap: wrap; }

/* === GAPS === */
.gap-3xs { gap: var(--space-3xs); }
.gap-2xs { gap: var(--space-2xs); }
.gap-xs  { gap: var(--space-xs); }
.gap-sm  { gap: var(--space-sm); }
.gap-md  { gap: var(--space-md); }
.gap-lg  { gap: var(--space-lg); }
.gap-xl  { gap: var(--space-xl); }

/* === MARGIN BOTTOM === */
.mb-xs  { margin-bottom: var(--space-xs); }
.mb-sm  { margin-bottom: var(--space-sm); }
.mb-md  { margin-bottom: var(--space-md); }
.mb-lg  { margin-bottom: var(--space-lg); }
.mb-xl  { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

/* === MARGIN TOP === */
.mt-xs  { margin-top: var(--space-xs); }
.mt-sm  { margin-top: var(--space-sm); }
.mt-md  { margin-top: var(--space-md); }
.mt-lg  { margin-top: var(--space-lg); }
.mt-xl  { margin-top: var(--space-xl); }

/* === PADDING === */
.p-xs { padding: var(--space-xs); }
.p-sm { padding: var(--space-sm); }
.p-md { padding: var(--space-md); }
.p-lg { padding: var(--space-lg); }

/* === TEXT ALIGN === */
.text-left   { text-align: left; }
.text-center { text-align: center; }
.text-right  { text-align: right; }

/* === FONTS === */
.font-display { font-family: var(--font-display); }
.font-data    { font-family: var(--font-data); }
.font-serif   { font-family: var(--font-serif); }

/* === WEIGHTS === */
.font-thin      { font-weight: var(--font-weight-thin); }
.font-regular   { font-weight: var(--font-weight-regular); }
.font-medium    { font-weight: var(--font-weight-medium); }
.font-semibold  { font-weight: var(--font-weight-semibold); }
.font-bold      { font-weight: var(--font-weight-bold); }
.font-black     { font-weight: var(--font-weight-black); }

/* === WIDTHS === */
.w-full { width: 100%; }
.w-auto { width: auto; }

/* === TRUNCATION === */
.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* === OPACITY === */
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-0  { opacity: 0; }

/* === POINTER === */
.cursor-pointer { cursor: pointer; }
.cursor-default { cursor: default; }

/* === POSITION === */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed    { position: fixed; }
.sticky   { position: sticky; }

/* === ANIMATIONS === */
.fade-in {
  animation: fade-in var(--duration-slow) var(--ease-smooth);
}

@keyframes fade-in {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.slide-up {
  animation: slide-up var(--duration-base) var(--ease-smooth);
}

@keyframes slide-up {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* === SCREEN READER ONLY === */
.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;
}