/* How it works — connected journey with scroll-drawn rail */

.how--journey {
  position: relative;
  overflow: hidden;
}

.how__fx {
  position: absolute;
  top: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 0;
}

.how__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(64px);
  opacity: 0.85;
}

.how__orb--a {
  width: 280px;
  height: 280px;
  top: 8%;
  right: 5%;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.35), transparent 68%);
}

.how__orb--b {
  width: 200px;
  height: 200px;
  bottom: 12%;
  left: 8%;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.28), transparent 70%);
}

.how--journey .section-panel__inner {
  position: relative;
  z-index: 1;
}

.how-journey {
  position: relative;
  max-width: 1040px;
  margin-inline: auto;
  padding-top: 0.5rem;
}

.how-journey__svg {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 88px;
  overflow: visible;
  pointer-events: none;
  z-index: 0;
}

.how-journey__path {
  fill: none;
  stroke: url(#howJourneyGrad);
  stroke-width: 3;
  stroke-linecap: round;
  filter: drop-shadow(0 0 8px rgba(34, 211, 238, 0.35));
}

.how-journey__path--bg {
  stroke: rgba(124, 58, 237, 0.2);
  stroke-width: 2;
  filter: none;
}

.how-journey__steps {
  list-style: none;
  margin: 0;
  padding: 4.5rem 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

.how-step {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 1rem;
  position: relative;
  z-index: 1;
}

.how-step__node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  flex-shrink: 0;
}

.how-step__icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  background: radial-gradient(circle at 32% 28%, var(--step-b), var(--step-a));
  box-shadow:
    0 0 0 4px color-mix(in srgb, var(--step-b) 22%, transparent),
    0 12px 32px color-mix(in srgb, var(--step-b) 40%, transparent);
  transition:
    transform var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out);
}

/* Step 01 — Discover (cyan / teal) */
.how-step--discover {
  --step-a: var(--journey-discover-a);
  --step-b: var(--journey-discover-b);
  --step-num: #67e8f9;
  --step-tag-bg: rgba(34, 211, 238, 0.12);
  --step-tag-border: rgba(34, 211, 238, 0.35);
  --step-tag-text: #67e8f9;
  --step-card-border: rgba(34, 211, 238, 0.32);
  --step-card-glow: rgba(34, 211, 238, 0.22);
  --step-link: #22d3ee;
}

/* Step 02 — Commit (amber / gold) */
.how-step--commit {
  --step-a: var(--journey-commit-a);
  --step-b: var(--journey-commit-b);
  --step-num: #fcd34d;
  --step-tag-bg: rgba(245, 158, 11, 0.14);
  --step-tag-border: rgba(251, 191, 36, 0.4);
  --step-tag-text: #fcd34d;
  --step-card-border: rgba(245, 158, 11, 0.35);
  --step-card-glow: rgba(251, 191, 36, 0.2);
  --step-link: #fbbf24;
}

/* Step 03 — Operate (lime / green) */
.how-step--operate {
  --step-a: var(--journey-operate-a);
  --step-b: var(--journey-operate-b);
  --step-num: #bef264;
  --step-tag-bg: rgba(132, 204, 22, 0.14);
  --step-tag-border: rgba(163, 230, 53, 0.38);
  --step-tag-text: #bef264;
  --step-card-border: rgba(132, 204, 22, 0.32);
  --step-card-glow: rgba(163, 230, 53, 0.22);
  --step-link: #a3e635;
}

.how-step__icon svg {
  width: 26px;
  height: 26px;
}

.how-step__num {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--step-num, var(--color-accent-end));
  opacity: 0.9;
}

.how-step__card {
  flex: 1;
  padding: 1.35rem 1.25rem 1.25rem;
  border-radius: 20px;
  background: linear-gradient(155deg, rgba(42, 24, 72, 0.55), rgba(12, 10, 24, 0.92));
  border: 1px solid var(--step-card-border, rgba(124, 58, 237, 0.28));
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35);
  position: relative;
  overflow: hidden;
  transition:
    transform var(--dur-base) var(--ease-out),
    border-color var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out);
}

.how-step__card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--step-card-glow, rgba(124, 58, 237, 0.14)), transparent 55%);
  pointer-events: none;
}

.how-step__card h3 {
  font-family: var(--font-display);
  font-size: 1.12rem;
  margin: 0 0 0.45rem;
  position: relative;
}

.how-step__card p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin: 0 0 0.65rem;
  line-height: 1.55;
  position: relative;
}

.how-step__card a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--step-link, #22d3ee);
  position: relative;
}

.how-step__card a:hover {
  color: var(--step-b, #7c3aed);
}

.how-step__tag {
  display: inline-block;
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  margin-bottom: 0.5rem;
  border-radius: var(--radius-pill);
  background: var(--step-tag-bg, rgba(34, 211, 238, 0.1));
  color: var(--step-tag-text, var(--color-accent-end));
  border: 1px solid var(--step-tag-border, rgba(34, 211, 238, 0.25));
  position: relative;
}

.how-step.is-active .how-step__icon {
  transform: scale(1.08);
  box-shadow:
    0 0 0 6px color-mix(in srgb, var(--step-b) 28%, transparent),
    0 16px 40px color-mix(in srgb, var(--step-a) 45%, transparent);
}

.how-step.is-active .how-step__card {
  border-color: color-mix(in srgb, var(--step-b) 55%, transparent);
  box-shadow: 0 20px 56px color-mix(in srgb, var(--step-a) 32%, transparent);
}

.how-step.is-complete .how-step__icon {
  box-shadow:
    0 0 0 3px color-mix(in srgb, var(--step-b) 22%, transparent),
    0 8px 24px color-mix(in srgb, var(--step-a) 28%, transparent);
}

/* Desktop: horizontal journey */
@media (min-width: 900px) {
  .how-journey__steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem 2rem;
    padding-top: 5.5rem;
    align-items: start;
  }

  .how-step {
    align-items: center;
    text-align: center;
  }

  .how-step__node {
    position: absolute;
    top: -5.5rem;
    left: 50%;
    transform: translateX(-50%);
  }

  .how-step__card {
    margin-top: 0;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .how-step:nth-child(2) .how-step__card {
    transform: translateY(12px);
  }

  .how-step:nth-child(2).is-active .how-step__card,
  .how-step:nth-child(2):hover .how-step__card {
    transform: translateY(4px);
  }

  .how-step:hover .how-step__card {
    transform: translateY(-4px);
    border-color: color-mix(in srgb, var(--step-b) 50%, transparent);
    box-shadow: 0 20px 48px color-mix(in srgb, var(--step-a) 28%, transparent);
  }
}

/* Mobile: left rail */
@media (max-width: 899px) {
  .how-journey__svg {
    display: none;
  }

  .how-journey__steps {
    padding-top: 0;
    padding-left: 0.5rem;
    border-left: 2px solid transparent;
    border-image: linear-gradient(180deg, var(--journey-discover-b), var(--journey-commit-b), var(--journey-operate-b)) 1;
    margin-left: 0.75rem;
  }

  .how-step {
    flex-direction: row;
    align-items: flex-start;
    gap: 1.1rem;
    padding-left: 0.5rem;
  }

  .how-step__node {
    margin-top: 0.15rem;
  }

  .how-step__icon {
    width: 48px;
    height: 48px;
  }

  .how-step__num {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .how-step__icon,
  .how-step__card {
    transition: none;
  }

  .how-journey__path {
    stroke-dashoffset: 0 !important;
  }
}