/* ═══ Premium Exchange Experience ═══ */

.exchange-hero {
  position: relative;
  padding: var(--space-5) var(--space-4);
  margin-bottom: var(--space-4);
  background: linear-gradient(145deg, #ecfeff 0%, #ffffff 50%, #f3e8ff 100%);
  border: 1px solid var(--border-subtle);
  border-radius: calc(var(--radius-card) + 4px);
  overflow: hidden;
  text-align: center;
}

.exchange-hero__shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  pointer-events: none;
}

.exchange-hero__shape--1 {
  width: 100px; height: 100px;
  top: -20px; right: -10px;
  background: rgba(6, 182, 212, 0.25);
}

.exchange-hero__shape--2 {
  width: 80px; height: 80px;
  bottom: -20px; left: -10px;
  background: rgba(168, 85, 247, 0.2);
}

.exchange-hero__art {
  width: 140px;
  height: 140px;
  margin: 0 auto var(--space-3);
  position: relative;
  z-index: 1;
}

.exchange-hero__art img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  animation: float-slow 5s ease-in-out infinite;
  filter: drop-shadow(0 12px 24px rgba(15,23,42,0.1));
}

.exchange-hero__title {
  font-size: 1.375rem;
  font-weight: var(--weight-bold);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-2);
  position: relative;
  background: linear-gradient(135deg, var(--text-primary), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.exchange-hero__sub {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.55;
  max-width: 280px;
  margin: 0 auto var(--space-4);
  position: relative;
}

.exchange-steps {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
  position: relative;
}

.exchange-step {
  flex: 1;
  max-width: 100px;
  text-align: center;
  position: relative;
}

.exchange-step__num {
  width: 28px;
  height: 28px;
  margin: 0 auto var(--space-1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6875rem;
  font-weight: var(--weight-bold);
  color: white;
  background: var(--gradient-cyan);
  border-radius: 50%;
  box-shadow: 0 4px 12px rgba(6, 182, 212, 0.3);
}

.exchange-step__label {
  font-size: 0.5625rem;
  font-weight: var(--weight-semibold);
  color: var(--text-muted);
  line-height: 1.3;
}

.exchange-card {
  padding: var(--space-4);
  background: var(--bg-glass-strong);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  margin-bottom: var(--space-3);
  transition: box-shadow 0.3s ease;
}

.exchange-card:hover {
  box-shadow: var(--shadow-md);
}

.exchange-card__label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.6875rem;
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-cyan);
  margin-bottom: var(--space-3);
}

.exchange-card__label img {
  width: 16px;
  height: 16px;
}

.exchange-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: var(--space-2) 0;
}

.exchange-divider__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-accent);
  border-radius: 50%;
  box-shadow: var(--shadow-glow);
}

.exchange-divider__icon img {
  width: 22px;
  height: 22px;
  filter: brightness(0) invert(1);
}

.exchange-submit {
  margin-top: var(--space-4);
}

.exchange-submit .btn {
  box-shadow: 0 6px 24px rgba(6, 182, 212, 0.25);
}

.form-row {
  display: grid;
  gap: var(--space-3);
}

.form-row--2 { grid-template-columns: 1fr 1fr; }

@media (max-width: 480px) {
  .form-row--2 { grid-template-columns: 1fr; }
}