/* ============================================
   yaricata.com - Shared Components
   ============================================ */

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.9rem 2.25rem;
  font-size: var(--fs-body);
  font-weight: var(--fw-bold);
  letter-spacing: 0.02em;
  border-radius: var(--radius-pill);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
  white-space: nowrap;
  min-height: 48px;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 4px 16px rgba(223, 86, 86, 0.3);
}

.btn--primary:hover {
  background-color: var(--color-primary-dark);
  box-shadow: 0 6px 24px rgba(223, 86, 86, 0.4);
}

.btn--white {
  background-color: var(--color-white);
  color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.btn--white:hover {
  box-shadow: var(--shadow-lg);
}

.btn--outline {
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

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

.btn--outline--light {
  border: 2px solid rgba(255, 255, 255, 0.8);
  color: var(--color-white);
}

.btn--outline--light:hover {
  background-color: rgba(255, 255, 255, 0.15);
  border-color: var(--color-white);
}

.btn--lg {
  padding: 1.125rem 3rem;
  font-size: clamp(1rem, 1vw + 0.75rem, 1.25rem);
}

/* --- Cards --- */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.card__icon {
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-md);
}

.card__title {
  font-size: var(--fs-h3);
  font-weight: var(--fw-bold);
  margin-bottom: var(--space-sm);
}

.card__text {
  color: var(--color-text-light);
  line-height: var(--lh-normal);
}

/* --- Badge --- */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  border-radius: var(--radius-pill);
  background-color: var(--color-bg-warm);
  color: var(--color-primary);
}

/* --- Avatar --- */
.avatar {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-circle);
  object-fit: cover;
  border: 3px solid var(--color-white);
  box-shadow: var(--shadow-sm);
}

.avatar--lg {
  width: 80px;
  height: 80px;
}

/* --- Scroll Down Indicator --- */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--fs-small);
  animation: bounce-down 2s infinite;
  z-index: 3;
}

.scroll-indicator__arrow {
  width: 24px;
  height: 24px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
}

@keyframes bounce-down {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* --- Back to Top --- */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-circle);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-fast);
  z-index: 50;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
}