/**
 * DRD Engineers Buttons Component
 * Precision Industrial aesthetic: strictly 4px rounded, high contrast
 */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 12px 24px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  border-radius: var(--radius-default); /* strictly 4px */
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

/* Primary Button (Industrial Orange Fill) */
.btn-primary {
  background-color: var(--color-primary-container);
  color: #ffffff;
  border-color: var(--color-primary-container);
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
  transform: translateY(-1px);
}

/* Secondary Button (Slate Gray Outline) */
.btn-secondary {
  background-color: transparent;
  color: var(--color-on-surface);
  border-color: var(--color-secondary);
}

.btn-secondary:hover,
.btn-secondary:focus {
  background-color: var(--color-secondary);
  color: #ffffff;
  transform: translateY(-1px);
}

/* Dark Surface Button (White Outline for Hero/Dark Sections) */
.btn-outline-white {
  background-color: transparent;
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.4);
}

.btn-outline-white:hover,
.btn-outline-white:focus {
  background-color: #ffffff;
  color: var(--color-on-surface);
  border-color: #ffffff;
  transform: translateY(-1px);
}

/* Small Button Variant */
.btn-sm {
  padding: 8px 16px;
  font-size: 13px;
}

/* Large Button Variant */
.btn-lg {
  padding: 16px 32px;
  font-size: 16px;
}

/* Icon alignment inside button */
.btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}