/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
  font-weight: 500;
  border-radius: 0.5rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--duration-base) var(--ease-out);
  text-decoration: none;
}

.btn-primary {
  background: var(--color-primary-500);
  color: white;
}

.btn-primary:hover {
  background: var(--color-primary-600);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(236, 72, 153, 0.3);
}

.btn-secondary {
  background: var(--color-secondary-500);
  color: white;
}

.btn-secondary:hover {
  background: var(--color-secondary-600);
}

.btn-outline {
  background: transparent;
  border-color: white;
  color: white;
}

.btn-outline:hover {
  background: white;
  color: var(--color-primary-500);
}

.btn-large {
  padding: var(--space-4) var(--space-8);
  font-size: 1.125rem;
}

.btn-block {
  display: flex;
  width: 100%;
}

/* Cards */
.card {
  background: white;
  border-radius: 1rem;
  border: 1px solid var(--color-gray-200);
  overflow: hidden;
  transition: all var(--duration-base) var(--ease-out);
}

.card:hover {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.card-body {
  padding: var(--space-6);
}

/* Forms */
.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  border: 2px solid var(--color-gray-300);
  border-radius: 0.5rem;
  transition: all var(--duration-base) var(--ease-out);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary-500);
  box-shadow: 0 0 0 3px rgba(236, 72, 153, 0.1);
}

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

/* Grid */
.grid {
  display: grid;
  gap: var(--space-6);
}

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

@media (max-width: 768px) {
  .grid-cols-2, .grid-cols-3, .grid-cols-4 {
    grid-template-columns: 1fr;
  }
}