.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--radius-md);
  transition: background-color var(--transition), color var(--transition), transform var(--transition);
}

.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-bg);
}

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

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

.btn--secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn--lg {
  padding: 1rem 2rem;
  font-size: 1rem;
}

/* Cards */
.card-grid {
  display: grid;
  gap: var(--space-md);
}

.card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  transition: border-color var(--transition), transform var(--transition);
}

.card:hover {
  border-color: rgba(45, 212, 191, 0.4);
}

.card__icon {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
}

.card__title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.card__text {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.card__metric {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

@media (min-width: 768px) {
  .card-grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }

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

/* FAQ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  max-width: 42rem;
}

.faq-item {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-item__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: var(--space-md);
  text-align: left;
  font-weight: 600;
  color: var(--color-text);
}

.faq-item__question:hover {
  color: var(--color-accent);
}

.faq-item__icon {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  position: relative;
}

.faq-item__icon::before,
.faq-item__icon::after {
  content: "";
  position: absolute;
  background-color: currentColor;
  border-radius: 1px;
}

.faq-item__icon::before {
  width: 100%;
  height: 2px;
  top: 50%;
  transform: translateY(-50%);
}

.faq-item__icon::after {
  width: 2px;
  height: 100%;
  left: 50%;
  transform: translateX(-50%);
  transition: transform var(--transition);
}

.faq-item.is-open .faq-item__icon::after {
  transform: translateX(-50%) rotate(90deg);
  opacity: 0;
}

.faq-item__answer {
  display: none;
  padding: 0 var(--space-md) var(--space-md);
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.faq-item.is-open .faq-item__answer {
  display: block;
}

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

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--space-xs);
  font-size: 0.9375rem;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  transition: border-color var(--transition);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form-input.is-invalid,
.form-textarea.is-invalid {
  border-color: #f87171;
}

.form-error {
  color: #f87171;
  font-size: 0.8125rem;
  margin-top: var(--space-xs);
  display: none;
}

.form-error.is-visible {
  display: block;
}

.form-success {
  padding: var(--space-md);
  background-color: rgba(45, 212, 191, 0.1);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-md);
  color: var(--color-accent);
  display: none;
}

.form-success.is-visible {
  display: block;
}

/* Stats */
.stats-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.stat {
  text-align: center;
  padding: var(--space-md);
}

.stat__value {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}

.stat__label {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  margin-top: var(--space-xs);
}

@media (min-width: 768px) {
  .stats-row {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Badge */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-accent);
  background-color: rgba(45, 212, 191, 0.12);
  border-radius: 999px;
  margin-bottom: var(--space-sm);
}

/* Process steps */
.process-list {
  display: grid;
  gap: var(--space-md);
  counter-reset: step;
}

.process-step {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-md);
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.process-step__number {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(45, 212, 191, 0.15);
  color: var(--color-accent);
  font-weight: 700;
  border-radius: var(--radius-md);
}

.process-step__title {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.process-step__text {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

@media (min-width: 768px) {
  .process-list {
    grid-template-columns: repeat(2, 1fr);
  }
}