/* Rollout Roadmap — loaded only on pages that call render_rollout_roadmap()
   Tokens reuse the site's existing design-system variables where possible. */

#rollout-roadmap {
  padding: 64px 0 96px;
  content-visibility: auto;
  contain-intrinsic-size: 1px 1000px;
}
#rollout-roadmap .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
#rollout-roadmap #roadmap-h {
  font-family: 'Space Grotesk', 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji', sans-serif;
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink, #0f1b2d);
  margin: 0 0 8px;
  line-height: 1.25;
}
#rollout-roadmap > p {
  color: var(--tx3, #4b5a7a);
  font-size: 1.05rem;
  line-height: 1.6;
  max-width: 68ch;
  margin: 0 0 48px;
}
#rollout-roadmap .toc {
  margin: 0 0 32px;
}
#rollout-roadmap .toc-label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--tx4, #8896b8);
  margin: 0 0 8px;
}
#rollout-roadmap .toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 0.9rem;
}
#rollout-roadmap .toc-list a {
  color: var(--teal, #0e7c86);
  text-decoration: underline;
  text-underline-offset: 2px;
}
/* route rail */
#rollout-roadmap .route {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}
#rollout-roadmap .route::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 24px;
  bottom: 24px;
  width: 3px;
  background: var(--line, #cfd8e3);
  transform: translateX(-50%) scaleY(0);
  transform-origin: top;
  transition: transform 0.6s ease;
  will-change: transform;
}
#rollout-roadmap .route.filled::before {
  transform: translateX(-50%) scaleY(1);
}
/* phase */
#rollout-roadmap .phase {
  position: relative;
  padding: 22px 0;
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 16px;
  align-items: start;
  border-bottom: 1px solid var(--line, #cfd8e3);
}
#rollout-roadmap .phase:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
#rollout-roadmap .node {
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg, #f5f7fa);
  border: 2px solid var(--line, #cfd8e3);
  color: var(--tx3, #8896b8);
  font-family: 'Space Grotesk', 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  display: grid;
  place-items: center;
  z-index: 2;
  transition: transform 0.3s ease, background 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}
#rollout-roadmap .phase.on .node {
  background: var(--teal, #0e7c86);
  border-color: var(--teal, #0e7c86);
  color: #fff;
  transform: scale(1.05);
}
/* phase body */
#rollout-roadmap .phase-body {
  min-width: 0;
}
#rollout-roadmap .phase-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 6px;
}
#rollout-roadmap .phase h3 {
  font-family: 'Space Grotesk', 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink, #0f1b2d);
  margin: 0;
  line-height: 1.3;
}
#rollout-roadmap .pace {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--teal, #0e7c86);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}
#rollout-roadmap .why {
  margin: 0 0 12px;
  color: var(--tx3, #8896b8);
  font-size: 0.95rem;
  line-height: 1.55;
  max-width: 68ch;
}
/* modules list */
#rollout-roadmap .modules {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 14px;
  border-top: 1px solid var(--line, #cfd8e3);
  padding-top: 10px;
}
#rollout-roadmap .module {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--tx3, #8896b8);
  line-height: 1.5;
  padding: 6px 0;
}
#rollout-roadmap .module strong {
  color: var(--ink, #0f1b2d);
  font-weight: 700;
}
#rollout-roadmap .module a {
  color: var(--teal, #0e7c86);
  text-decoration: underline;
  text-underline-offset: 2px;
}
#rollout-roadmap .module a:focus-visible,
#rollout-roadmap .phase h3:focus-visible,
#rollout-roadmap a:focus-visible {
  outline: 2px solid var(--teal, #0e7c86);
  outline-offset: 2px;
  border-radius: 2px;
}
#rollout-roadmap .tag {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 3px;
  margin-left: 6px;
  letter-spacing: 0.03em;
}
#rollout-roadmap .phase:nth-child(1) .module:nth-child(1) .tag,
#rollout-roadmap .phase:nth-child(1) .module:nth-child(2) .tag {
  background: #fdeee1;
  color: #b45309;
}
#rollout-roadmap .use {
  color: var(--tx4, #8896b8);
}

/* dark theme — prefers-color-scheme AND [data-theme="dark"] */
@media (prefers-color-scheme: dark), [data-theme="dark"] {
  #rollout-roadmap #roadmap-h {
    color: #f0f4ff;
  }
  #rollout-roadmap > p {
    color: var(--tx3, #c7d2fe);
  }
  #rollout-roadmap .route::before {
    background: rgba(99, 102, 241, 0.14);
  }
  #rollout-roadmap .phase {
    border-bottom-color: rgba(99, 102, 241, 0.14);
  }
  #rollout-roadmap .node {
    background: #090e1c;
    border-color: rgba(99, 102, 241, 0.14);
    color: var(--tx3, #8896b8);
  }
  #rollout-roadmap .phase.on .node {
    background: var(--teal, #0e7c86);
    border-color: var(--teal, #0e7c86);
    color: #fff;
  }
  #rollout-roadmap .phase h3 {
    color: #f0f4ff;
  }
  #rollout-roadmap .pace {
    color: var(--teal, #0e7c86);
  }
  #rollout-roadmap .why {
    color: var(--tx3, #c7d2fe);
  }
  #rollout-roadmap .module {
    color: var(--tx3, #c7d2fe);
  }
  #rollout-roadmap .module strong {
    color: #f0f4ff;
  }
  #rollout-roadmap .module a {
    color: #818cf8;
  }
  #rollout-roadmap .tag {
    background: rgba(242, 194, 48, 0.15);
    color: var(--yellow, #f2c230);
  }
  #rollout-roadmap .use {
    color: var(--tx4, #4b5a7a);
  }
}

@media (max-width: 760px) {
  #rollout-roadmap .modules {
    grid-template-columns: 1fr;
  }
  #rollout-roadmap .route::before {
    left: 20px;
    transform: translateX(0) scaleY(0);
  }
  #rollout-roadmap .route.filled::before {
    transform: translateX(0) scaleY(1);
  }
  #rollout-roadmap .phase {
    grid-template-columns: 56px 1fr;
    padding-left: 4px;
  }
}

/* reduced motion — everything visible and on, rail fully filled */
@media (prefers-reduced-motion: reduce) {
  #rollout-roadmap .route::before {
    transform: translateX(-50%) scaleY(1);
    transition: none;
  }
  @media (max-width: 760px) {
    #rollout-roadmap .route::before {
      transform: translateX(0) scaleY(1);
    }
  }
  #rollout-roadmap .route.filled::before {
    transform: translateX(var(--rail-tx, -50%)) scaleY(1);
  }
  #rollout-roadmap .node {
    transition: none;
  }
  #rollout-roadmap .phase.on .node {
    transform: none;
  }
}

/* CSS scroll-driven primary path — rail fill */
@supports (animation-timeline: scroll()) {
  #rollout-roadmap .route::before {
    animation: railFill linear both;
    animation-timeline: scroll();
    animation-range: exit 0% exit 100%;
    transition: none;
  }
}
@keyframes railFill {
  from {
    transform: translateX(-50%) scaleY(0);
  }
  to {
    transform: translateX(-50%) scaleY(1);
  }
}