/* ============================================================
   CSSLLC — About / Process Section v2
   about.css | "We See What Others Don't"
              Vertical timeline mobile, horizontal desktop
   ============================================================ */

#about {
  background: var(--bg-primary);
}

.about-label {
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-lg);
}

.about-headline {
  font-size: var(--fs-4xl);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: var(--text-primary);
  max-width: 540px;
  margin-bottom: var(--space-xl);
}

.about-intro {
  font-size: var(--fs-md);
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 520px;
  margin-bottom: var(--space-3xl);
}

/* ---------- Process Steps — Desktop (horizontal) ---------- */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
}

.process-step {
  padding: var(--space-2xl);
  border-right: 1px solid var(--border);
  position: relative;
  transition: background var(--transition-base);
}

.process-step:last-child {
  border-right: none;
}

.process-step:hover {
  background: var(--bg-card);
}

/* Step number badge */
.step-badge {
  width: 36px;
  height: 36px;
  border: 1.5px solid var(--border-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-xs);
  font-weight: 800;
  color: var(--accent);
  margin-bottom: var(--space-lg);
  background: var(--accent-light);
  letter-spacing: 0.02em;
}

/* Step icon */
.step-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: var(--space-md);
}

.step-icon svg {
  width: 30px;
  height: 30px;
}

.step-title {
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  letter-spacing: -0.01em;
}

.step-desc {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  line-height: 1.65;
}

/* Connector arrow between steps (desktop) */
.process-step:not(:last-child)::after {
  content: '→';
  position: absolute;
  top: var(--space-2xl);
  right: calc(-0.6em - 1px);
  font-size: var(--fs-sm);
  color: var(--accent);
  opacity: 0.5;
  z-index: 1;
}

/* ---------- Process Steps — Mobile (vertical timeline) ---------- */
@media (max-width: 768px) {
  .process-steps {
    grid-template-columns: 1fr;
    border: none;
    border-radius: 0;
    gap: 0;
  }

  .process-step {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: var(--space-xl) var(--space-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
  }

  .process-step:last-child { border-bottom: none; }

  /* Vertical timeline node */
  .process-step::before {
    content: '';
    position: absolute;
    left: calc(var(--space-lg) + 17px);
    top: 100%;
    width: 2px;
    height: var(--space-xl);
    background: var(--border-accent);
    opacity: 0.4;
  }

  .process-step:last-child::before { display: none; }
  .process-step::after { display: none; }

  .step-badge {
    flex-shrink: 0;
    margin-bottom: 0;
  }

  .step-icon { display: none; }

  .step-body {
    padding-top: 4px;
  }
}

@media (max-width: 1024px) and (min-width: 769px) {
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-step:nth-child(2) { border-right: none; }
  .process-step:nth-child(2)::after { display: none; }

  .process-step:nth-child(1),
  .process-step:nth-child(2) {
    border-bottom: 1px solid var(--border);
  }
}