/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 1rem;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-fast);
  text-align: center;
  line-height: 1;
}

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-text-light);
}

.btn--primary:hover {
  background-color: var(--color-primary-dark);
  color: var(--color-text-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.btn--outline:hover {
  background-color: var(--color-primary);
  color: var(--color-text-light);
}

.btn--full {
  width: 100%;
}

/* Cards */
.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.card__image-wrapper {
  position: relative;
  padding-top: 75%; /* 4:3 Aspect Ratio */
  overflow: hidden;
  background-color: var(--color-bg-alt);
}

.card__image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.card__image-slider {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  transition: transform 0.5s ease-in-out;
}

@keyframes slideToggle {
  0%, 40% { transform: translateX(0); }
  50%, 90% { transform: translateX(-100%); }
  100% { transform: translateX(0); }
}

.card__image-primary,
.card__image-secondary {
  flex: 0 0 100%;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background-color: #ffffff;
  animation: slideToggle 6s infinite ease-in-out;
}

/* Stagger the animations so they don't all flip at once */
.card:nth-child(even) .card__image-primary,
.card:nth-child(even) .card__image-secondary { animation-delay: -3s; }
.card:nth-child(3n) .card__image-primary,
.card:nth-child(3n) .card__image-secondary { animation-delay: -1.5s; }
.card:nth-child(5n) .card__image-primary,
.card:nth-child(5n) .card__image-secondary { animation-delay: -4.5s; }

.card:hover .card__image-primary,
.card:hover .card__image-secondary {
  animation-play-state: paused;
}

.card:hover .card__image {
  transform: scale(1.05);
}

.card:hover .card__image-slider {
  transform: translateX(-100%);
}

.card__content {
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card__title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  margin-bottom: var(--space-xs);
  color: var(--color-primary-dark);
}

.card__text {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  flex-grow: 1;
}

.card__footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  margin-top: auto;
}

/* Forms */
.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--space-xs);
  color: var(--color-text-main);
  font-size: 0.95rem;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-surface);
  color: var(--color-text-main);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.2);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* Badges / Tags */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background-color: var(--color-bg-alt);
  color: var(--color-primary-dark);
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Animations (Scroll reveal) */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}