/* Base Typography and Layout */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-title);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent-hover);
}

img {
  max-width: 100%;
  height: auto;
}

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: transparent;
  border: none;
  outline: none;
}

/* Typography Scales */
.title-xxl {
  font-size: 2.25rem;
  line-height: 2.75rem;
  font-weight: 800;
}

.title-xl {
  font-size: 1.75rem;
  line-height: 2.25rem;
  font-weight: 700;
}

.title-lg {
  font-size: 1.5rem;
  line-height: 2rem;
}

.title-md {
  font-size: 1.25rem;
  line-height: 1.75rem;
}

.title-sm {
  font-size: 1.1rem;
  line-height: 1.5rem;
}

.text-lg {
  font-size: 1.125rem;
  line-height: 1.75rem;
}

.text-md {
  font-size: 1rem;
  line-height: 1.5rem;
}

.text-sm {
  font-size: 0.875rem;
  line-height: 1.25rem;
}

.text-xs {
  font-size: 0.75rem;
  line-height: 1rem;
}

/* Utility Helpers */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.flex-wrap { flex-wrap: wrap; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }

.grid { display: grid; }
.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)); }

.col-span-1 { grid-column: span 1 / span 1; }
.col-span-2 { grid-column: span 2 / span 2; }
.col-span-3 { grid-column: span 3 / span 3; }
.col-span-4 { grid-column: span 4 / span 4; }

.w-full { width: 100%; }
.h-full { height: 100%; }
.m-0 { margin: 0; }
.p-0 { padding: 0; }

.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }

.text-center { text-align: center; }
.text-right { text-align: right; }

.text-primary-color { color: var(--text-primary); }
.text-secondary-color { color: var(--text-secondary); }
.text-muted-color { color: var(--text-muted); }
.text-accent { color: var(--accent); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }

/* Responsive grid adjustments */
@media (max-width: 1024px) {
  .grid-cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 768px) {
  .grid-cols-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-cols-2 { grid-template-columns: 1fr; }
  .col-span-4, .col-span-3, .col-span-2, .col-span-1 {
    grid-column: span 1 / span 1 !important;
  }
}
@media (max-width: 640px) {
  .grid-cols-4, .grid-cols-3, .grid-cols-2 { grid-template-columns: 1fr; }
  .col-span-4, .col-span-3, .col-span-2, .col-span-1 {
    grid-column: span 1 / span 1 !important;
  }
}