/* Text utilities */
.text-green  { color: var(--color-green); }
.text-dim    { color: var(--color-white-dim); }
.text-muted  { color: var(--color-white-muted); }

.text-xs   { font-size: var(--text-xs); }
.text-sm   { font-size: var(--text-sm); }
.text-lg   { font-size: var(--text-lg); }
.text-xl   { font-size: var(--text-xl); }
.text-2xl  { font-size: var(--text-2xl); }
.text-3xl  { font-size: var(--text-3xl); }
.text-4xl  { font-size: var(--text-4xl); }
.text-5xl  { font-size: var(--text-5xl); }

.font-mono   { font-family: var(--font-mono); }
.font-medium { font-weight: var(--weight-medium); }
.font-semi   { font-weight: var(--weight-semi); }
.font-bold   { font-weight: var(--weight-bold); }

.text-center { text-align: center; }
.uppercase   { text-transform: uppercase; }
.tracking-wide  { letter-spacing: 0.08em; }
.tracking-wider { letter-spacing: 0.15em; }

/* Section label (eyebrow text) */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-green);
}

.eyebrow::before {
  content: '';
  display: block;
  width: 20px;
  height: 1px;
  background: var(--color-green);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  letter-spacing: 0.02em;
  transition: all var(--duration-normal) var(--ease-out);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-green);
  color: #080808;
}

.btn-primary:hover {
  background: var(--color-white);
  color: #080808;
  box-shadow: 0 4px 24px rgba(255,255,255,0.12);
  transform: translateY(-1px);
}

.btn-outline {
  border: 1px solid var(--color-border);
  color: var(--color-white-dim);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.3);
  color: var(--color-white);
}

.btn-ghost {
  color: var(--color-white-dim);
}

.btn-ghost:hover {
  color: var(--color-white);
}

/* Divider */
.divider {
  height: 1px;
  background: var(--color-border);
}

/* Grid helpers */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }

  .btn {
    min-height: 44px;
    white-space: normal;
  }
}

/* Flex helpers */
.flex         { display: flex; }
.flex-center  { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-2        { gap: var(--space-2); }
.gap-4        { gap: var(--space-4); }
.gap-6        { gap: var(--space-6); }
.gap-8        { gap: var(--space-8); }

/* Animation helpers */
.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}

.fade-up.in-view {
  opacity: 1;
  transform: translateY(0);
}