.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-6);
}

/* Sections */
.section {
  padding: var(--spacing-20) 0;
  position: relative;
}

.section-alt {
  background-color: var(--color-bg-secondary);
}

.section-sm {
  padding: var(--spacing-10) 0;
}

.section-lg {
  padding: var(--spacing-24) 0;
}

/* Flexbox Layouts */
.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.flex-wrap {
  flex-wrap: wrap;
}

.gap-4 { gap: var(--spacing-4); }
.gap-6 { gap: var(--spacing-6); }
.gap-8 { gap: var(--spacing-8); }
.gap-12 { gap: var(--spacing-12); }

/* Grid Layouts */
.grid {
  display: grid;
}

.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

@media (min-width: 768px) {
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .md\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .md\:flex-row { flex-direction: row; }
  
  .md\:col-span-1 { grid-column: span 1; }
  .md\:col-span-2 { grid-column: span 2; }
  .md\:col-span-3 { grid-column: span 3; }
  .md\:col-span-4 { grid-column: span 4; }
  
  .md\:row-span-1 { grid-row: span 1; }
  .md\:row-span-2 { grid-row: span 2; }
}

@media (min-width: 1024px) {
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .lg\:grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  
  .lg\:col-span-1 { grid-column: span 1; }
  .lg\:col-span-2 { grid-column: span 2; }
  .lg\:col-span-3 { grid-column: span 3; }
  .lg\:col-span-4 { grid-column: span 4; }
  
  .lg\:row-span-1 { grid-row: span 1; }
  .lg\:row-span-2 { grid-row: span 2; }
}

/* Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-2 { margin-bottom: var(--spacing-2); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-6 { margin-bottom: var(--spacing-6); }
.mb-8 { margin-bottom: var(--spacing-8); }
.mb-12 { margin-bottom: var(--spacing-12); }
.mt-8 { margin-top: var(--spacing-8); }

.w-full { width: 100%; }
.max-w-md { max-width: 28rem; }
.max-w-lg { max-width: 32rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-3xl { max-width: 48rem; }
.mx-auto { margin-left: auto; margin-right: auto; }

.hidden { display: none; }
@media (min-width: 768px) {
  .md\:block { display: block; }
  .md\:hidden { display: none; }
}

/* Divider signature */
.signature-divider {
  height: 1px;
  width: 100%;
  background: var(--gradient-signature);
  opacity: 0.5;
}

/* Gradient Text */
.text-gradient {
  background: linear-gradient(135deg, var(--color-accent), #7c3aed);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: var(--color-accent); /* Fallback */
}