.f-rl { position: relative; }
.f-rl-dark {
  background: var(--brand-surface-dark, #1A1A1A);
  color: var(--brand-ink-on-dark, #FCFCFC);
  --f-rl-ink: var(--brand-ink-on-dark, #FCFCFC);
  --f-rl-quiet: rgba(255, 255, 255, 0.68);
  --f-rl-panel: color-mix(in oklab, var(--brand-surface-dark, #1A1A1A), white 8%);
  --f-rl-rule: rgba(255, 255, 255, 0.2);
  --f-rl-accent: var(--brand-accent-bright, var(--brand-accent, #0A99FF));
}
.f-rl-light {
  background: var(--brand-bg, #FCFCFC);
  color: var(--brand-ink, #333);
  --f-rl-ink: var(--brand-ink-strong, #1A1A1A);
  --f-rl-quiet: var(--f-quiet-ink);
  --f-rl-panel: var(--f-card-bg, #FFFFFF);
  --f-rl-rule: color-mix(in oklab, var(--f-ink-base, #1A1A1A), transparent 84%);
  --f-rl-accent: var(--f-accent-ink, var(--brand-accent, #0074C8));
}
.f-rl-dark h2 { color: inherit; }
.f-rl {
  --f-rl-card-w: clamp(200px, min(26vw, 34vh), 320px);
  --f-rl-gap: 16px;
  --f-rl-fade: calc(var(--f-rl-card-w) * 0.85);
  padding: clamp(48px, 6vw, 88px) 0;
}
.f-rl-inner {
  width: min(calc(var(--f-rl-card-w) * 3.1), 1000px, 100%);
  margin-inline: auto;
}
.f-rl-head { text-align: center; margin-bottom: clamp(24px, 3.5vw, 40px); padding-inline: clamp(16px, 4vw, 48px); }
.f-rl-kicker {
  margin: 0 auto 12px;
  max-width: none;
  font-size: var(--f-text-caption, 0.8125rem);
  font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--f-rl-accent);
}
.f-rl-title { margin: 0 0 10px; font-size: var(--f-h2, clamp(1.75rem, 3.6vw, 2.375rem)); color: var(--f-rl-ink); }
.f-rl-intro { margin: 0 auto; max-width: 52ch; font-size: var(--f-text, 1rem); color: var(--f-rl-quiet); }
.f-rl-rail {
  display: flex;
  gap: var(--f-rl-gap);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: 4px calc(50% - (var(--f-rl-card-w) / 2)) 14px;
  cursor: grab;
  overflow-anchor: none;
  perspective: 1000px;
  scrollbar-width: none;
  -webkit-mask-image: linear-gradient(to right, transparent 0, #000 var(--f-rl-fade),
                      #000 calc(100% - var(--f-rl-fade)), transparent 100%);
  mask-image: linear-gradient(to right, transparent 0, #000 var(--f-rl-fade),
              #000 calc(100% - var(--f-rl-fade)), transparent 100%);
}
.f-rl-rail::-webkit-scrollbar { display: none; }
.f-rl-rail:active { cursor: grabbing; }
.f-rl-rail:focus-visible { outline: 2px solid var(--f-rl-accent); outline-offset: 4px; }
.f-rl-card {
  flex: 0 0 var(--f-rl-card-w);
  scroll-snap-align: center;
  scroll-snap-stop: always;
  margin: 0;
  opacity: var(--f-rl-o, 1);
  filter: blur(calc(var(--f-rl-b, 0) * 1px));
  will-change: transform, opacity;
}
.f-rl-frame {
  position: relative;
  aspect-ratio: 9 / 16;
  border-radius: 14px;
  overflow: hidden;
  background: var(--f-rl-panel);
}
.f-rl-live .f-rl-card.is-on .f-rl-frame { outline: 2px solid var(--f-rl-accent); outline-offset: 0; }
.f-rl-video { display: block; width: 100%; height: 100%; object-fit: cover; cursor: pointer; }
.f-rl-video:focus-visible { outline: 2px solid var(--f-rl-accent); outline-offset: -2px; }
.f-rl-cap { margin-top: 12px; text-align: left; }
.f-rl-quote {
  display: block;
  font-size: var(--f-text-small, 0.9375rem);
  line-height: 1.45;
  color: var(--f-rl-ink);
}
.f-rl-name {
  display: block;
  margin-top: 4px;
  font-size: var(--f-text-caption, 0.8125rem);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--f-rl-ink);
}
.f-rl-pp {
  position: absolute;
  top: 50%; left: 50%;
  translate: -50% -50%;
  display: grid; place-items: center;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s ease;
}
.f-rl-card.is-on.is-paused .f-rl-pp { opacity: 1; }
.f-rl-pp svg { width: 22px; height: 22px; margin-left: 3px; display: block; }
.f-rl-seek {
  -webkit-appearance: none;
  appearance: none;
  position: absolute;
  left: 8px; right: 8px; bottom: 10px;
  height: 14px;
  margin: 0;
  background: transparent;
  cursor: pointer;
  z-index: 2;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}
.f-rl-card.is-on .f-rl-seek {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
.f-rl-seek::-webkit-slider-runnable-track {
  height: 3px; border-radius: 999px;
  background: linear-gradient(to right, var(--f-rl-accent) 0 var(--f-rl-pct, 0%),
              rgba(255, 255, 255, 0.3) var(--f-rl-pct, 0%) 100%);
}
.f-rl-seek::-moz-range-track {
  height: 3px; border-radius: 999px;
  background: linear-gradient(to right, var(--f-rl-accent) 0 var(--f-rl-pct, 0%),
              rgba(255, 255, 255, 0.3) var(--f-rl-pct, 0%) 100%);
}
.f-rl-seek::-moz-range-progress { background: transparent; }
.f-rl-seek::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 11px; height: 11px; margin-top: -4px;
  border-radius: 50%;
  background: var(--f-rl-accent);
  box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.4);
}
.f-rl-seek::-moz-range-thumb {
  width: 11px; height: 11px; border: 0;
  border-radius: 50%;
  background: var(--f-rl-accent);
  box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.4);
}
.f-rl-sound {
  position: absolute;
  top: 10px; right: 10px;
  z-index: 2;
  display: grid; place-items: center;
  width: 34px; height: 34px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.46);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  color: #fff;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: background-color 0.2s ease, opacity 0.2s ease, visibility 0.2s ease;
}
.f-rl-card.is-on .f-rl-sound {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
.f-rl-sound:hover { background: rgba(0, 0, 0, 0.62); }
.f-rl-sound:focus-visible { outline: 2px solid var(--f-rl-accent); outline-offset: 2px; }
.f-rl-sound svg { width: 16px; height: 16px; }
.f-rl-sound .f-rl-ico-on { display: none; }
.f-rl-sound .f-rl-ico-off { display: block; }
.f-rl-card.is-sound-on .f-rl-sound .f-rl-ico-off { display: none; }
.f-rl-card.is-sound-on .f-rl-sound .f-rl-ico-on { display: block; }
.f-rl-nav { display: flex; justify-content: center; gap: 10px; margin-top: 20px; }
.f-rl-arrow {
  display: grid; place-items: center;
  width: 44px; height: 44px;
  padding: 0;
  border: 1px solid var(--f-rl-rule);
  border-radius: 50%;
  background: var(--f-rl-panel);
  color: var(--f-rl-ink);
  cursor: pointer;
  transition: background-color 0.25s ease, border-color 0.25s ease, scale 0.2s var(--f-ease, ease);
}
.f-rl-arrow:hover { border-color: var(--f-rl-accent); }
.f-rl-arrow:focus-visible { outline: 2px solid var(--f-rl-accent); outline-offset: 2px; }
.f-rl-arrow:active { scale: 0.94; }
.f-rl-arrow svg { width: 18px; height: 18px; display: block; }
.f-rl-v-coverflow { --f-rl-fade-amt: 0.72; --f-rl-shrink: 0.16; --f-rl-blur: 2; --f-rl-tilt: 22; }
.f-rl-v-flat      { --f-rl-fade-amt: 0.62; --f-rl-shrink: 0.12; --f-rl-blur: 0; --f-rl-tilt: 0; }
.f-rl-v-stage     { --f-rl-fade-amt: 0.8;  --f-rl-shrink: 0.34; --f-rl-blur: 3; --f-rl-tilt: 0; }
.f-rl-v-arc {
  --f-rl-fade-amt: 0.55; --f-rl-shrink: 0.18; --f-rl-blur: 1; --f-rl-tilt: 0;
  --f-rl-lift: 74; --f-rl-roll: 7;
}
.f-rl-v-deck {
  --f-rl-fade-amt: 0.5; --f-rl-shrink: 0.22; --f-rl-blur: 1.5; --f-rl-tilt: 16;
  --f-rl-pull: 0.42; --f-rl-roll: 4;
}
.f-rl-v-deck .f-rl-card, .f-rl-v-arc .f-rl-card { position: relative; z-index: 1; }
.f-rl-v-deck .f-rl-card.is-on, .f-rl-v-arc .f-rl-card.is-on { z-index: 3; }
.f-rl-v-deck .f-rl-rail, .f-rl-v-arc .f-rl-rail { padding-bottom: 90px; }
@media (max-width: 640px) {
  .f-rl { --f-rl-card-w: clamp(180px, min(62vw, 40vh), 240px); }
  .f-rl-nav { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .f-rl-rail { scroll-behavior: auto; }
  .f-rl-arrow, .f-rl-sound, .f-rl-pp, .f-rl-seek { transition: none; }
  .f-rl-card { will-change: auto; }
}