/* ============================================================
   CONSTRUFACH — HOME · CÓMO TRABAJAMOS (3 pasos)
   Layout inspirado en la referencia, en colores de marca
   ============================================================ */

.pasos {
  position: relative;
  background: var(--white);
  padding: 5.5rem 2rem;
  overflow: hidden;
  scroll-margin-top: 90px;
}

.pasos-inner {
  position: relative;
  z-index: 1;
  max-width: 1080px;
  margin: 0 auto;
}

/* ── Encabezado ───────────────────────────────────────────── */
.pasos-head {
  text-align: left;
  max-width: 760px;
  margin: 0 0 4.5rem;
}

.pasos-deco {
  display: flex;
  justify-content: flex-start;
  gap: 1.5rem;
  margin-bottom: 1.1rem;
}

.pasos-deco span {
  width: 54px;
  height: 2px;
  background: rgba(11, 53, 87, 0.15);
}

.pasos-eyebrow {
  display: block;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 0.5rem;
}

.pasos-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(2.1rem, 4.5vw, 3.4rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--navy);
  margin: 0 0 1.2rem;
}

.pasos-title-mark {
  color: var(--red);
  font-style: italic;
}

.pasos-desc {
  font-family: 'Barlow', sans-serif;
  font-size: 1.15rem;
  line-height: 1.65;
  color: #5a6b78;
  margin: 0;
}

.pasos-desc strong {
  color: var(--navy);
  font-weight: 600;
}

/* ── Grid de pasos ────────────────────────────────────────── */
.pasos-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.paso {
  position: relative;
  text-align: left;
}

.paso-figure {
  position: relative;
  display: inline-block;
  padding-top: 2.4rem; /* espacio para el número grande */
  margin-bottom: 1.6rem;
}

.paso-num {
  position: absolute;
  top: 0;
  left: 0;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 4.5rem;
  font-weight: 700;
  line-height: 1;
  color: rgba(11, 53, 87, 0.09);
  z-index: 0;
}

.paso-icon {
  position: relative;
  z-index: 1;
  width: 104px;
  height: 104px;
  border-radius: 50%;
  background: #eef2f54d;
  display: flex;
  align-items: center;
  justify-content: center;
}

.paso-icon img {
  width: 52px;
  height: 52px;
  object-fit: contain;
}

/* Línea conectora entre pasos (oculta en el último y en mobile).
   Los círculos opacos tapan los extremos → queda visible el tramo central. */
.paso:not(:last-child)::after {
  content: '';
  position: absolute;
  top: calc(2.4rem + 52px); /* padding-top + medio ícono (104/2) */
  left: 104px; /* arranca en el borde derecho del ícono */
  width: calc(100% - 104px + 2rem);
  height: 2px;
  background: rgba(11, 53, 87, 0.12);
  transform: translateY(-50%);
  z-index: 0;
}

.paso-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--navy);
  margin: 0 0 0.6rem;
}

.paso-text {
  font-family: 'Barlow', sans-serif;
  font-size: 1.1rem;
  line-height: 1.55;
  color: #5a6b78;
  margin: 0;
  max-width: 30ch;
}

.paso-text strong {
  color: var(--navy);
  font-weight: 600;
}

/* ── CTA ──────────────────────────────────────────────────── */
.pasos-cta {
  display: flex;
  justify-content: flex-start;
  margin-top: 4rem;
}

.pasos-btn {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 1.05rem 2.4rem;
  color: var(--white);
  background: var(--red);
  border: 2px solid var(--red);
  transition:
    background 0.35s var(--ease-out-expo),
    border-color 0.35s var(--ease-out-expo),
    transform 0.35s var(--ease-out-expo);
}

.pasos-btn:hover {
  background: var(--navy);
  border-color: var(--navy);
  transform: translateY(-2px);
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 768px) {
  .pasos {
    padding: 3.5rem 1.25rem;
  }

  .pasos-head {
    margin-bottom: 2.75rem;
  }

  .pasos-desc {
    font-size: 1.2rem;
  }

  .pasos-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .paso-figure {
    margin-bottom: 1.1rem;
  }

  .paso-title {
    font-size: 1.5rem;
  }

  .paso-text {
    font-size: 1.2rem;
    line-height: 1.5;
    max-width: 26ch;
  }

  .paso:not(:last-child)::after {
    display: none;
  }

  .pasos-btn {
    width: 100%;
    justify-content: center;
  }
}

/* ── Guía de progreso a la izquierda (solo mobile) ────────── */
.pasos-steps {
  position: relative;
}

.pasos-track {
  display: none;
}

@media (max-width: 768px) {
  .pasos-grid {
    padding-left: 1.75rem;
  }

  /* Línea gris: el JS le fija top/alto según los íconos */
  .pasos-track {
    display: block;
    position: absolute;
    left: 5px;
    top: 0;
    width: 3px;
    height: 0;
    background: rgba(11, 53, 87, 0.12);
    border-radius: 2px;
    overflow: hidden;
  }

  /* Relleno rojo que avanza con el scroll */
  .pasos-track-fill {
    display: block;
    width: 100%;
    height: 0;
    background: var(--red);
    transition: height 0.15s linear;
  }

  /* Punto de cada paso, centrado sobre la línea a la altura del ícono */
  .paso::before {
    content: '';
    position: absolute;
    left: calc(-1.75rem + 6.5px - 7px);
    top: calc(2.4rem + 52px - 7px);
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--white);
    border: 3px solid rgba(11, 53, 87, 0.2);
    box-sizing: border-box;
    z-index: 1;
    transition: border-color 0.25s ease, background 0.25s ease;
  }

  .paso.is-done::before {
    border-color: var(--red);
    background: var(--red);
  }
}