/* Sohil — project layer on top of Masterplan (dark tone).
   The river beside the massif: contour lines drawn in gold behind the prologue and the legend. */

.mp--motif-river .mp-prologue,
.mp--motif-river .mp-features { isolation: isolate; }
.mp--motif-river .mp-prologue::before,
.mp--motif-river .mp-features::before {
  content: '';
  position: absolute;
  z-index: -1;
  right: 0;
  top: 0;
  width: min(60vw, 980px);
  height: 100%;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 600 400' preserveAspectRatio='none'%3E%3Cg fill='none' stroke='%23d9a84e' stroke-opacity='.22' stroke-width='1' vector-effect='non-scaling-stroke'%3E%3Cpath d='M0 80C120 40 220 140 340 100S520 20 600 60'/%3E%3Cpath d='M0 130C120 90 220 190 340 150S520 70 600 110'/%3E%3Cpath d='M0 180C120 140 220 240 340 200S520 120 600 160'/%3E%3Cpath d='M0 230C120 190 220 290 340 250S520 170 600 210'/%3E%3Cpath d='M0 280C120 240 220 340 340 300S520 220 600 260'/%3E%3C/g%3E%3C/svg%3E") center / 100% 100% no-repeat;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 40%);
  mask-image: linear-gradient(90deg, transparent, #000 40%);
  pointer-events: none;
}
.mp--motif-river .mp-hero__block { box-shadow: 10px 10px 0 color-mix(in srgb, var(--pdx-accent) 30%, transparent); }