/* ══════════════════════════════════════════════════════════
   HIMPULSA — como-funciona.css  (grid 2x2)
   Va en: /assets/css/como-funciona.css
   ══════════════════════════════════════════════════════════ */

.como-funciona {
  padding: var(--section-pad);
  position: relative;
  overflow: hidden;
}
.como-funciona::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  top: -200px; left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(129,69,255,0.08) 0%, transparent 65%);
  pointer-events: none;
}

/* ── HEADER ── */
.cf-header { text-align: center; margin-bottom: 20px; }
.cf-eyebrow {
  display: inline-block;
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--lima); margin-bottom: 10px;
}
.como-funciona-titulo {
  font-family: var(--font-titulo);
  font-size: clamp(20px, 3.1vw, 34px);
  font-weight: 900; line-height: 1.15; margin-bottom: 10px;
}
.como-funciona-titulo span { color: var(--morado); }
.cf-sub {
  font-size: 14px; color: var(--gris);
  max-width: 420px; margin: 0 auto; line-height: 1.6;
}

/* ── BARRA DE PROGRESO ── */
.cf-progress {
  position: relative; height: 2px;
  max-width: 900px; margin: 0 auto 20px;
}
.cf-progress-line {
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(to right, var(--morado) 0%, rgba(196,251,54,0.6) 60%, var(--lima) 100%);
}
.cf-progress-dot {
  position: absolute; top: 50%;
  transform: translate(-50%,-50%);
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--morado);
}
.cf-progress-dot:last-child { border-color: var(--lima); }

/* ── GRID 2x2 ── */
.pasos-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  max-width: 960px;
  margin: 0 auto;
}

/* ── CARD ── */
.paso-card {
  background: var(--bg2);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 16px;
  padding: 17px 22px 16px;
  display: flex; flex-direction: column; gap: 8px;
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.5s ease, transform 0.5s ease, border-color 0.3s ease;
  position: relative; overflow: hidden;
}
.paso-card::before {
  content: ''; position: absolute;
  top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(to right, var(--morado), transparent);
  opacity: 0; transition: opacity 0.3s ease;
}
.paso-card:hover { border-color: rgba(129,69,255,0.3); }
.paso-card:hover::before { opacity: 1; }
.paso-card.visible { opacity: 1; transform: translateY(0); }

/* Card destacada — paso 4 */
.paso-card-dest {
  background: linear-gradient(135deg, rgba(196,251,54,0.05), var(--bg2));
  border-color: rgba(196,251,54,0.18);
}
.paso-card-dest::before { background: linear-gradient(to right, var(--lima), transparent); opacity: 1; }
.paso-card-dest:hover { border-color: rgba(196,251,54,0.35); }

/* Top — número GRANDE + ícono pequeño */
.paso-card-top {
  display: flex; align-items: flex-start;
  justify-content: space-between; margin-bottom: 0;
}
.paso-num {
  font-family: var(--font-titulo);
  font-size: 52px;          /* 300% más grande — ancla visual */
  font-weight: 900;
  line-height: 1;
  color: rgba(129,69,255,0.25);
  letter-spacing: -0.02em;
  transition: color 0.3s ease;
}
.paso-card:hover .paso-num { color: rgba(129,69,255,0.45); }
.paso-card-dest .paso-num  { color: rgba(196,251,54,0.25); }
.paso-card-dest:hover .paso-num { color: rgba(196,251,54,0.5); }

.paso-icono {
  width: 36px; height: 36px; border-radius: 10px;
  background: rgba(129,69,255,0.1); border: 1px solid rgba(129,69,255,0.2);
  display: flex; align-items: center; justify-content: center;
  color: var(--morado); flex-shrink: 0;
}
.paso-icono svg { width: 18px; height: 18px; }
.paso-card-dest .paso-icono {
  background: rgba(196,251,54,0.1); border-color: rgba(196,251,54,0.25); color: var(--lima);
}

.paso-titulo {
  font-family: var(--font-titulo);
  font-size: 15px;
  font-weight: 800; color: var(--blanco); line-height: 1.2; margin: 0;
}
.paso-desc {
  font-size: 12px; color: var(--gris); line-height: 1.65; margin: 0; flex: 1;
}
.paso-desc strong { color: var(--blanco); font-weight: 700; }
.paso-tiempo {
  font-size: 10px; font-weight: 600; color: var(--morado); letter-spacing: 0.04em;
  padding-top: 8px; border-top: 0.5px solid rgba(255,255,255,0.06); margin-top: auto;
}
.paso-card-dest .paso-tiempo { color: var(--lima); }

/* ── CTA ── */
.cf-cta { text-align: center; margin-top: 20px; }

/* ── MOBILE ── */
@media (max-width: 640px) {
  .cf-progress { display: none; }
  .pasos-grid { grid-template-columns: 1fr; gap: 12px; }
  .paso-card { padding: 20px 18px 16px; }
}