/* ═══════════════════════════════════════
   HOW IT WORKS — Na Prática
   ═══════════════════════════════════════ */
.how {
  background: linear-gradient(180deg, var(--bg-card) 0%, var(--bg-dark) 100%);
  position: relative;
  overflow: hidden;
}

.how__glow {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(34,197,94,0.08) 0%, transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}

.how__header { text-align: center; max-width: 600px; margin-inline: auto; margin-bottom: 72px; }
.how__header .section-desc { margin-top: 16px; margin-inline: auto; }

.how__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  position: relative;
}

.how__grid::before {
  content: '';
  position: absolute;
  top: 40px;
  left: calc(16.66% + 24px);
  right: calc(16.66% + 24px);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-green), transparent);
  z-index: 0;
}

.how-step { position: relative; z-index: 1; padding: 32px 24px; text-align: center; }

.how-step__icon {
  width: 80px; height: 80px;
  margin-inline: auto;
  margin-bottom: 24px;
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 2rem;
  position: relative;
  transition: border-color var(--dur), box-shadow var(--dur);
}

.how-step:hover .how-step__icon { border-color: var(--border-green); box-shadow: var(--shadow-green); }

.how-step__num {
  position: absolute;
  top: -6px; right: -6px;
  width: 24px; height: 24px;
  background: var(--gradient-green);
  border-radius: 50%;
  font-size: .68rem;
  font-weight: 800;
  color: #fff;
  display: grid;
  place-items: center;
}

.how-step__title { font-size: 1.05rem; font-weight: 700; color: var(--text-primary); margin-bottom: 10px; }
.how-step__desc  { font-size: .85rem; color: var(--text-secondary); line-height: 1.7; }

.how__modes { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 56px; }

.how__mode {
  padding: 28px 32px;
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color var(--dur);
}

.how__mode:hover { border-color: var(--border-green); }

.how__mode-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: rgba(34,197,94,0.08);
  border: 1px solid var(--border-green);
  border-radius: 100px;
  font-size: .7rem;
  font-weight: 700;
  color: var(--green-400);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 16px;
}

.how__mode-title { font-size: 1.15rem; font-weight: 700; color: var(--text-primary); margin-bottom: 10px; }
.how__mode-desc  { font-size: .88rem; color: var(--text-secondary); line-height: 1.72; }

@media (max-width: 900px) {
  .how__grid { grid-template-columns: 1fr; gap: 0; }
  .how__grid::before { display: none; }

  .how-step {
    display: grid;
    grid-template-columns: 56px minmax(0, 1fr);
    column-gap: 20px;
    row-gap: 8px;
    text-align: left;
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
  }

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

  .how-step__icon {
    grid-row: 1 / 3;
    width: 56px; height: 56px;
    margin: 0;
    flex-shrink: 0;
    font-size: 1.4rem;
  }
  .how-step__title { margin-bottom: 0; }
  .how-step__desc { grid-column: 2; }

  .how__modes { grid-template-columns: 1fr; }
}