/* ==========================================================================
   LS Metal Works - Work Process Section
   ========================================================================== */

.work-process {
  position: relative;
  overflow: hidden;
  background: var(--color-background);
}

.work-process::before {
  position: absolute;
  top: -9rem;
  left: -9rem;
  width: 22rem;
  height: 22rem;
  border-radius: 50%;
  background: rgb(249 115 22 / 0.035);
  box-shadow: 0 0 0 4rem rgb(249 115 22 / 0.018);
  content: "";
  pointer-events: none;
}

.work-process .container {
  position: relative;
  z-index: 1;
}

.process-heading {
  max-width: 49rem;
  margin: 0 auto clamp(3.5rem, 7vw, 5.5rem);
}

.process-timeline {
  position: relative;
  display: grid;
  gap: var(--space-10);
  counter-reset: process-step;
}

.process-timeline::before,
.process-timeline::after {
  position: absolute;
  z-index: 0;
  content: "";
  pointer-events: none;
}

.process-timeline::before {
  top: 1.65rem;
  bottom: 1.65rem;
  left: 1.65rem;
  width: 2px;
  background: var(--color-border);
}

.process-timeline::after {
  top: 1.65rem;
  bottom: 1.65rem;
  left: 1.65rem;
  width: 2px;
  background: linear-gradient(var(--color-accent), #fb923c);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 1.25s cubic-bezier(0.22, 1, 0.36, 1) 200ms;
}

.process-timeline.is-revealed::after {
  transform: scaleY(1);
}

.process-step {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 3.5rem minmax(0, 1fr);
  gap: var(--space-5);
  align-items: start;
  transition: transform var(--transition-base);
}

.process-step:hover {
  transform: translateY(-0.35rem);
}

.process-number {
  display: grid;
  width: 3.35rem;
  height: 3.35rem;
  place-items: center;
  border: 0.3rem solid var(--color-background);
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: var(--font-size-sm);
  font-weight: 700;
  letter-spacing: 0.05em;
  box-shadow:
    0 0 0 1px var(--color-border),
    var(--shadow-sm);
  transition:
    background-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-base);
}

.process-step:hover .process-number {
  background: var(--color-accent);
  box-shadow:
    0 0 0 1px rgb(249 115 22 / 0.3),
    0 0.65rem 1.4rem rgb(249 115 22 / 0.22);
  transform: scale(1.06);
}

.process-icon {
  display: grid;
  width: 4.5rem;
  height: 4.5rem;
  margin-bottom: var(--space-5);
  place-items: center;
  border: 1px solid rgb(249 115 22 / 0.18);
  border-radius: 1.25rem;
  background:
    linear-gradient(145deg, var(--color-white), #fff7ed);
  color: var(--color-accent-dark);
  box-shadow: 0 0.75rem 1.75rem rgb(15 23 42 / 0.08);
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-base);
}

.process-step:hover .process-icon {
  border-color: rgb(249 115 22 / 0.45);
  box-shadow: 0 1rem 2rem rgb(249 115 22 / 0.16);
  transform: scale(1.07) rotate(-2deg);
}

.process-body h3 {
  margin-bottom: var(--space-3);
  font-size: var(--font-size-xl);
}

.process-body p {
  max-width: 27rem;
  color: var(--color-text-muted);
  line-height: 1.75;
}

@media (min-width: 40rem) {
  .process-timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: var(--space-10);
    row-gap: var(--space-16);
  }

  .process-timeline::before,
  .process-timeline::after {
    display: none;
  }

  .process-step {
    display: block;
    text-align: center;
  }

  .process-step:nth-child(odd)::after {
    position: absolute;
    top: 1.65rem;
    left: calc(50% + 1.7rem);
    z-index: -1;
    width: calc(100% + var(--space-10) - 3.4rem);
    height: 2px;
    background:
      linear-gradient(90deg, var(--color-accent), var(--color-border));
    content: "";
  }

  .process-number,
  .process-icon {
    margin-inline: auto;
  }

  .process-icon {
    margin-top: var(--space-8);
    margin-bottom: var(--space-5);
  }

  .process-body p {
    margin-inline: auto;
  }
}

@media (min-width: 62rem) {
  .process-timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: clamp(1.5rem, 3vw, 3rem);
  }

  .process-timeline::before,
  .process-timeline::after {
    top: 1.65rem;
    right: 12.5%;
    bottom: auto;
    left: 12.5%;
    display: block;
    width: auto;
    height: 2px;
  }

  .process-timeline::after {
    background: linear-gradient(90deg, var(--color-accent), #fb923c);
    transform: scaleX(0);
    transform-origin: left;
  }

  .process-timeline.is-revealed::after {
    transform: scaleX(1);
  }

  .process-step:nth-child(odd)::after {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .process-timeline::after {
    transform: none;
    transition: none;
  }

  .process-step,
  .process-number,
  .process-icon {
    transition: none;
  }
}