/* Quiet, full-width marquee with only transparent marks and live type. */
.portfolio-scene .client-rail {
  position: relative;
  z-index: 3;
  isolation: isolate;
  width: 100vw;
  margin: clamp(68px, 7vw, 94px) 0 0 calc(50% - 50vw);
  padding: 46px 0 50px;
  scroll-margin-top: 100px;
  color: #cbdde0;
  background: transparent;
  border: 0;
}
.portfolio-scene .client-rail::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: -36px 0;
  pointer-events: none;
  background: linear-gradient(180deg, transparent, rgba(4, 27, 38, .46) 25%, rgba(4, 27, 38, .6) 55%, rgba(4, 27, 38, .46) 76%, transparent);
}

.portfolio-scene .client-rail-label {
  margin: 0 20px 34px;
  color: #aac5ca;
  font: 600 12px/1.5 Manrope, Arial, sans-serif;
  letter-spacing: .17em;
  text-align: center;
  text-transform: uppercase;
}

.client-rail-window {
  width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
}
.client-rail-window::-webkit-scrollbar { display: none; }
.client-rail-window:focus-visible { outline: 2px solid #aec7ca; outline-offset: -2px; }

.client-rail-track {
  display: flex;
  width: max-content;
  animation: client-rail-marquee 56s linear infinite;
  will-change: transform;
}
.client-rail-group {
  --client-rail-gap: clamp(52px, 5vw, 76px);
  display: flex;
  flex: none;
  align-items: center;
  gap: var(--client-rail-gap);
  margin: 0;
  padding: 0 var(--client-rail-gap) 0 0;
  list-style: none;
}
.client-rail-item {
  display: inline-flex;
  flex: none;
  align-items: center;
  justify-content: center;
  gap: 12px;
  height: 58px;
  color: #cbdde0;
  font-family: Manrope, Arial, sans-serif;
  font-size: 27px;
  font-weight: 600;
  letter-spacing: -.045em;
  line-height: 1;
  white-space: nowrap;
}
.client-rail-mark { display: block; flex: none; overflow: hidden; }
.client-rail-mark-vnukovo { width: 61px; height: 49px; }
.client-rail-mark-golden { width: 40px; height: 50px; }
.client-rail-mark-metro { width: 53px; height: 47px; }
.client-rail-mark-aktiv { width: 40px; height: 52px; }
.client-rail-mark-neiro { width: 48px; height: 51px; }
.client-rail-mark-gromko { width: 48px; height: 52px; }
.client-rail-mark-dal { width: 54px; height: 47px; }
.client-rail-mark-apple { width: 65px; height: 41px; }
.client-rail-mark-scoutly { width: 64px; height: 45px; }
.client-rail-item small { display: block; color: #899597; font: 500 9px/1.1 Manrope, Arial, sans-serif; letter-spacing: .09em; }
.client-rail-vnukovo, .client-rail-apple { gap: 10px; }
.client-rail-vnukovo-copy, .client-rail-apple-copy { display: flex; flex-direction: column; align-items: flex-start; gap: 4px; }
.client-rail-vnukovo-copy strong { font-size: 28px; font-style: italic; font-weight: 750; letter-spacing: -.07em; }
.client-rail-golden { font-size: 27px; font-weight: 550; letter-spacing: -.045em; word-spacing: .18em; }
.client-rail-metro { font-size: 28px; font-weight: 350; letter-spacing: .19em; }
.client-rail-aktiv { font-size: 23px; font-weight: 800; letter-spacing: .03em; }
.client-rail-neiro { font-size: 23px; font-weight: 500; letter-spacing: -.045em; }
.client-rail-neiro b { font-weight: 800; }
.client-rail-gromko { font-size: 20px; font-weight: 800; letter-spacing: .055em; line-height: .96; }
.client-rail-dal { font-family: "Bodoni Moda", Didot, Georgia, serif; font-size: 28px; font-weight: 500; letter-spacing: -.045em; }
.client-rail-dal em { font-weight: 400; }
.client-rail-apple { font-size: 23px; font-weight: 600; letter-spacing: -.04em; }
.client-rail-apple-copy strong { font-size: 23px; font-weight: 600; }
.client-rail-apple small { text-transform: uppercase; }
.client-rail-fit { gap: 9px; font-size: 28px; font-weight: 800; letter-spacing: -.065em; }
.client-rail-fit-mark {
  display: block;
  flex: none;
  width: 33px;
  height: 31px;
  background: currentColor;
  -webkit-mask: url("assets/images/logo-fit-original.svg") center / contain no-repeat;
  mask: url("assets/images/logo-fit-original.svg") center / contain no-repeat;
}
.client-rail-scoutly { font-size: 27px; font-weight: 750; letter-spacing: .045em; }

@keyframes client-rail-marquee { to { transform: translate3d(-50%, 0, 0); } }

/* Keep a short, quiet bridge to the next section while case studies are pending. */
.portfolio-scene .portfolio-empty { height: 300px; }
.portfolio-scene .portfolio-empty .display-frame { display: none; }
.portfolio-scene .portfolio-coming {
  left: 50%;
  bottom: 84px;
  width: max-content;
  max-width: calc(100vw - 40px);
  margin: 0;
  transform: translateX(-50%);
  color: #79949a;
  font-size: 10px;
  letter-spacing: .12em;
  text-align: center;
  text-transform: uppercase;
}

@media (max-width: 700px) {
  .portfolio-scene .client-rail { margin-top: 62px; padding: 38px 0 42px; }
  .portfolio-scene .client-rail-label { max-width: 290px; margin: 0 auto 25px; padding: 0 12px; font-size: 10px; line-height: 1.65; letter-spacing: .13em; }
  .client-rail-window {
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 9%, #000 91%, transparent);
    mask-image: linear-gradient(90deg, transparent, #000 9%, #000 91%, transparent);
  }
  .client-rail-track { animation-duration: 48s; }
  .client-rail-group { --client-rail-gap: 46px; }
  .client-rail-item { height: 48px; font-size: 22px; }
  .client-rail-item { gap: 9px; }
  .client-rail-mark-vnukovo { width: 49px; height: 39px; }
  .client-rail-mark-golden { width: 32px; height: 40px; }
  .client-rail-mark-metro { width: 44px; height: 39px; }
  .client-rail-mark-aktiv { width: 33px; height: 43px; }
  .client-rail-mark-neiro { width: 40px; height: 43px; }
  .client-rail-mark-gromko { width: 39px; height: 42px; }
  .client-rail-mark-dal { width: 45px; height: 39px; }
  .client-rail-mark-apple { width: 54px; height: 34px; }
  .client-rail-mark-scoutly { width: 53px; height: 37px; }
  .client-rail-vnukovo-copy strong, .client-rail-golden, .client-rail-metro, .client-rail-dal, .client-rail-fit, .client-rail-scoutly { font-size: 23px; }
  .client-rail-aktiv, .client-rail-neiro, .client-rail-apple { font-size: 20px; }
  .client-rail-gromko { font-size: 18px; }
  .client-rail-apple-copy strong { font-size: 20px; }
  .client-rail-fit-mark { width: 27px; height: 27px; }
  .client-rail-item small { font-size: 8px; }
  .portfolio-scene .portfolio-empty { height: 215px; }
  .portfolio-scene .portfolio-coming { bottom: 54px; font-size: 9px; }
}

@media (prefers-reduced-motion: reduce) {
  .client-rail-window { overflow: visible; -webkit-mask-image: none; mask-image: none; }
  .client-rail-track { width: 100%; animation: none; transform: none; will-change: auto; }
  .client-rail-group { width: 100%; flex-wrap: wrap; justify-content: center; gap: 18px 38px; padding: 0 24px; }
  .client-rail-group[aria-hidden="true"] { display: none; }
}