/* ============================================
   iAgentMart — How It Works Section
   ============================================ */

.how-it-works {
  background: var(--color-surface);
  position: relative;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  position: relative;
}

/* Connecting line */
.steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: calc(12.5% + 24px);
  right: calc(12.5% + 24px);
  height: 2px;
  background: linear-gradient(90deg,
    var(--color-primary) 0%,
    var(--color-secondary) 100%);
  opacity: 0.2;
  z-index: 0;
}

.step {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: var(--space-6);
}

.step__number {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-5);
  border-radius: 50%;
  background: var(--color-primary-light);
  border: 2px solid var(--color-primary);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  transition: all var(--duration-normal) var(--ease-out);
}

.step:hover .step__number {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  transform: scale(1.1);
  box-shadow: 0 0 0 8px var(--color-primary-glow);
}

.step__title {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.step__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
}

/* --- Chains section --- */
.chains {
  background: var(--color-bg);
}

.chains__logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
}

.chain-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 10px 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  transition: all var(--duration-normal) var(--ease-out);
}

.chain-logo:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.chain-logo__icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
}

/* --- CTA section --- */
.cta {
  position: relative;
  background: var(--color-surface);
  overflow: hidden;
}

.cta__box {
  position: relative;
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-16) var(--space-8);
  text-align: center;
  overflow: hidden;
}

.cta__box::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(255,255,255,0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 30%, rgba(255,255,255,0.08) 0%, transparent 50%);
  pointer-events: none;
}

.cta__title {
  color: var(--color-text-inverse);
  margin-bottom: var(--space-4);
  position: relative;
}

.cta__subtitle {
  color: rgba(255,255,255,0.8);
  font-size: var(--text-lg);
  margin-bottom: var(--space-8);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
}

.cta__actions {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  position: relative;
}

.cta__actions .btn--primary {
  background: var(--color-surface);
  color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}

.cta__actions .btn--primary:hover {
  background: var(--color-text-inverse);
  transform: translateY(-2px);
}

.cta__actions .btn--secondary {
  background: rgba(255,255,255,0.15);
  color: var(--color-text-inverse);
  border-color: rgba(255,255,255,0.3);
}

.cta__actions .btn--secondary:hover {
  background: rgba(255,255,255,0.25);
  color: var(--color-text-inverse);
}

/* --- Download Platforms --- */
.download-platforms {
  display: flex;
  justify-content: center;
  gap: var(--space-6);
  margin-top: var(--space-6);
  position: relative;
}

.download-platform {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.6);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.download-platform svg {
  width: 16px;
  height: 16px;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .steps {
    grid-template-columns: 1fr 1fr;
  }

  .steps::before {
    display: none;
  }

  .cta__box {
    padding: var(--space-10) var(--space-6);
  }

  .download-platforms {
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
  }
}

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