/* ==========================================================================
   Transport na co dzień: oś dnia i „Droga towaru”.
   ========================================================================== */

/* Pasek położenia na stronie. */
.scrollbar { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 120; pointer-events: none; }
.scrollbar i { display: block; height: 100%; background: var(--brand); transform-origin: left center; transform: scaleX(0); }

/* ---------- szczegółowy przykład: pionowa oś ---------- */
.sec--story { padding-top: clamp(64px, 7vw, 112px); padding-bottom: clamp(64px, 7vw, 112px); }
.story { --p: 0; }
.story__head { max-width: 70ch; margin-bottom: clamp(32px, 4vw, 56px); }
.story__track { position: relative; max-width: 1040px; margin: 0 auto; }
.story__line { position: absolute; left: 50%; top: 0; bottom: 0; width: 4px; margin-left: -2px; background: var(--line-2); border-radius: 2px; }
.story__fill { position: absolute; left: 0; right: 0; top: 0; height: calc(var(--p) * 100%); background: var(--brand); border-radius: 2px; }
.story__veh {
	position: absolute; left: 50%; top: calc(var(--p) * 100%); transform: translate(-50%, -50%); z-index: 3;
	width: 38px; height: 38px; border-radius: 50%; background: var(--brand); color: #fff;
	box-shadow: 0 0 0 6px rgba(228, 18, 31, .2);
}
.story__ico { position: absolute; inset: 0; display: grid; place-items: center; opacity: 0; transform: scale(.6) rotate(-12deg); transition: opacity .3s var(--ease), transform .4s var(--ease); }
.story__ico.is-on { opacity: 1; transform: none; }
.story__steps { list-style: none; margin: 0; padding: 0; display: grid; row-gap: clamp(28px, 4vw, 52px); }
.story__step { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); column-gap: 72px; align-items: start; }
.story__card {
	grid-column: 1; text-align: right; padding: 26px 28px; border: 1px solid var(--line); border-radius: 12px; background: var(--bg);
	opacity: .45; transform: translateY(10px); transition: opacity .5s var(--ease), transform .5s var(--ease), border-color .4s var(--ease);
}
.story__step:nth-child(even) .story__card { grid-column: 2; text-align: left; }
.story__step.is-reached .story__card { opacity: 1; transform: none; border-color: var(--line-2); }
.story__when { margin: 0 0 8px; font-size: 13px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: #c20f1b; }
.sec--dark .story__when { color: var(--brand-hi); }
.story__card h3 { font-size: clamp(20px, 1.8vw, 26px); letter-spacing: -.03em; line-height: 1.15; margin-bottom: 10px; }
.story__card p:last-child { margin: 0; color: var(--muted); font-size: 16px; line-height: 1.6; }
.story__node {
	position: absolute; left: 50%; top: 22px; transform: translateX(-50%); z-index: 2;
	width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center;
	background: var(--bg); border: 3px solid var(--line-2); color: var(--muted);
	transition: background .35s var(--ease), border-color .35s var(--ease), color .35s var(--ease);
}
.story__step.is-reached .story__node { border-color: var(--brand); color: var(--brand); }
.story__note { text-align: center; margin: 40px 0 0; font-size: 14px; color: var(--dim); }

@media (max-width: 760px) {
	.story__line { left: 21px; margin-left: -2px; }
	.story__veh { left: 21px; width: 34px; height: 34px; }
	.story__step { grid-template-columns: minmax(0, 1fr); padding-left: 56px; }
	.story__card, .story__step:nth-child(even) .story__card { grid-column: 1; text-align: left; padding: 20px; }
	.story__node { left: 21px; top: 14px; width: 38px; height: 38px; }
	.story__note { text-align: left; }
}
@media (prefers-reduced-motion: reduce) { .story__card, .story__ico, .story__node { transition: none; } }

.story__head { max-width: 92ch; }
.story__head .sec__title { max-width: 24ch; font-size: clamp(34px, 4.4vw, 64px); }