/* ==========================================================================
   Roadmap Cinematic — scroll-driven story engine
   Scoped entirely under .roadmap-body so it never touches other pages.
   ========================================================================== */

.roadmap-body {
  --rc-accent: var(--accent, #7c5cff);
  --rc-line: rgba(255, 255, 255, 0.12);
  overflow-x: clip;
}

/* ---------- Hero: one orchestrated load-in moment ---------- */

.roadmap-intro .eyebrow,
.roadmap-intro .roadmap-title,
.roadmap-intro .roadmap-intro-text {
  opacity: 0;
  filter: blur(6px);
  transform: translateY(24px);
  animation: rc-hero-rise 1.1s cubic-bezier(.16,1,.3,1) forwards;
}

.roadmap-intro .eyebrow { animation-delay: .05s; }
.roadmap-intro .roadmap-title { animation-delay: .2s; }
.roadmap-intro .roadmap-intro-text { animation-delay: .45s; }

.roadmap-intro {
  position: relative;
}

.roadmap-intro::after {
  content: "";
  position: absolute;
  inset: -20% -10%;
  pointer-events: none;
  background: radial-gradient(ellipse at 50% 30%, color-mix(in srgb, var(--rc-accent) 18%, transparent), transparent 60%);
  opacity: 0;
  animation: rc-glow-in 1.8s ease-out .1s forwards;
  z-index: -1;
}

@keyframes rc-hero-rise {
  to { opacity: 1; filter: blur(0); transform: translateY(0); }
}

@keyframes rc-glow-in {
  to { opacity: 1; }
}

/* Light sweep across the title once, like a curtain lifting */
.roadmap-title {
  position: relative;
  background-image: linear-gradient(100deg,
    currentColor 40%,
    color-mix(in srgb, var(--rc-accent) 70%, white) 50%,
    currentColor 60%);
  background-size: 300% 100%;
  background-position: 100% 0;
  -webkit-background-clip: text;
  background-clip: text;
  animation: rc-hero-rise 1.1s cubic-bezier(.16,1,.3,1) forwards,
             rc-title-sweep 1.6s ease-out .9s forwards;
}

@keyframes rc-title-sweep {
  to { background-position: 0% 0; }
}

/* ---------- Progress rail (desktop) ---------- */

.roadmap-rail {
  position: fixed;
  top: 50%;
  left: 28px;
  transform: translateY(-50%);
  height: min(46vh, 420px);
  width: 20px;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: center;
}

.roadmap-rail-line {
  position: relative;
  width: 2px;
  height: 100%;
  background: var(--rc-line);
  border-radius: 2px;
  overflow: hidden;
}

.roadmap-rail-fill {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 0%;
  background: linear-gradient(180deg, var(--rc-accent), color-mix(in srgb, var(--rc-accent) 40%, transparent));
  box-shadow: 0 0 12px color-mix(in srgb, var(--rc-accent) 70%, transparent);
  transition: height .08s linear;
}

.roadmap-rail-nodes {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  height: 100%;
  width: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.rail-node {
  width: 9px;
  height: 9px;
  margin: 0 auto;
  border-radius: 50%;
  background: var(--rc-line);
  border: 1px solid rgba(255,255,255,.25);
  transition: background .3s ease, box-shadow .3s ease, transform .3s ease;
}

.rail-node.is-active {
  background: var(--rc-accent);
  box-shadow: 0 0 14px 3px color-mix(in srgb, var(--rc-accent) 65%, transparent);
  transform: scale(1.35);
}

@media (max-width: 980px) {
  .roadmap-rail { display: none; }
}

/* ---------- Scenes: cinematic wipe reveal + parallax ---------- */

.roadmap-scene-media {
  position: relative;
  overflow: hidden;
  clip-path: inset(0 0 0 100%);
  transition: clip-path 1.1s cubic-bezier(.16,1,.3,1);
}

.roadmap-scene.reverse .roadmap-scene-media {
  clip-path: inset(0 100% 0 0);
}

.roadmap-scene.rc-in .roadmap-scene-media {
  clip-path: inset(0 0 0 0);
}

.roadmap-scene-media img {
  display: block;
  width: 100%;
  height: auto;
  transform: scale(1.15);
  transition: transform 1.4s cubic-bezier(.16,1,.3,1);
  will-change: transform;
}

.roadmap-scene.rc-in .roadmap-scene-media img {
  transform: scale(1);
}

/* subtle continuous parallax drift while the scene is on screen */
.roadmap-scene-media img {
  transform: translateY(var(--rc-parallax, 0)) scale(1.15);
}

.roadmap-scene.rc-in .roadmap-scene-media img {
  transform: translateY(var(--rc-parallax, 0)) scale(1);
}

.roadmap-scene-content {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .9s cubic-bezier(.16,1,.3,1), transform .9s cubic-bezier(.16,1,.3,1);
  transition-delay: .15s;
}

.roadmap-scene.rc-in .roadmap-scene-content {
  opacity: 1;
  transform: translateY(0);
}

.roadmap-scene-content ul li {
  opacity: 0;
  transform: translateX(-12px);
  transition: opacity .6s ease, transform .6s ease;
}

.roadmap-scene.rc-in .roadmap-scene-content ul li:nth-child(1) { transition-delay: .35s; }
.roadmap-scene.rc-in .roadmap-scene-content ul li:nth-child(2) { transition-delay: .48s; }
.roadmap-scene.rc-in .roadmap-scene-content ul li:nth-child(3) { transition-delay: .61s; }

.roadmap-scene.rc-in .roadmap-scene-content ul li {
  opacity: 1;
  transform: translateX(0);
}

/* Phase number: quiet until its scene takes the stage, then it flares */
.roadmap-scene-number {
  display: inline-block;
  position: relative;
  transition: text-shadow .5s ease, letter-spacing .5s ease;
}

.roadmap-scene.rc-in .roadmap-scene-number {
  text-shadow: 0 0 18px color-mix(in srgb, var(--rc-accent) 55%, transparent);
  letter-spacing: .04em;
  animation: rc-number-flare .7s ease-out;
}

@keyframes rc-number-flare {
  0% { text-shadow: 0 0 0 transparent; }
  40% { text-shadow: 0 0 28px color-mix(in srgb, var(--rc-accent) 90%, transparent); }
  100% { text-shadow: 0 0 18px color-mix(in srgb, var(--rc-accent) 55%, transparent); }
}

/* ---------- Respect people who don't want motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .roadmap-intro .eyebrow,
  .roadmap-intro .roadmap-title,
  .roadmap-intro .roadmap-intro-text,
  .roadmap-scene-media,
  .roadmap-scene-media img,
  .roadmap-scene-content,
  .roadmap-scene-content ul li,
  .roadmap-scene-number {
    animation: none !important;
    transition: none !important;
    clip-path: inset(0) !important;
    transform: none !important;
    opacity: 1 !important;
    filter: none !important;
  }
  .roadmap-rail-fill { transition: none; }
}