/* ═══ MANIFESTO + JOURNEY — cosmic editorial ═══ */
.signal {
  position: relative;
  padding: var(--section-pad) var(--gutter);
  overflow: hidden;
}

.signal__inner {
  max-width: var(--max);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.signal__meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: clamp(2rem, 5vh, 3rem);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.signal__index { color: var(--signal); }

.signal__title-pre,
.signal__title-post {
  display: block;
  font-size: var(--text-xl);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.signal__title-word {
  display: block;
  font-size: var(--text-4xl);
  position: relative;
}

.signal__title-post {
  text-align: right;
  margin-left: auto;
  max-width: fit-content;
}

.signal__wave-wrap {
  margin: 2rem 0 3rem;
  height: 64px;
  color: var(--signal);
  opacity: 0.92;
}

.signal__wave-path {
  stroke-width: 1.75;
}

.signal__wave {
  width: 100%;
  height: 100%;
}

.signal__grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: clamp(2rem, 4vw, 3rem);
}

.signal__lead {
  font-size: var(--text-lg);
  line-height: 1.75;
  color: var(--muted);
  max-width: 40ch;
}

.signal__card {
  padding: clamp(1.5rem, 3vw, 2rem);
  background: var(--bg-card);
  border: 1px solid var(--line);
  position: relative;
}

.signal__card-tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal);
  display: block;
  margin-bottom: 1rem;
}

.signal__quote p {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  letter-spacing: var(--tracking-snug);
  line-height: 1.4;
}

.signal__quote em { font-style: normal; color: var(--signal); }

.signal__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.signal__stats strong {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
  letter-spacing: var(--tracking-tight);
  display: block;
}

.signal__stats span {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

/* Vault */
.vault {
  padding: var(--section-pad) var(--gutter);
  position: relative;
  background: var(--bg-elevated);
  border-block: 1px solid var(--line);
}

.vault::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--glow-deep);
  pointer-events: none;
}

.vault__inner {
  max-width: var(--max);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.vault__header { max-width: 40rem; margin-bottom: 3rem; }

.vault__index {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  color: var(--signal);
  display: block;
  margin-bottom: 1rem;
}

.vault__intro {
  font-size: var(--text-base);
  color: var(--muted);
  line-height: 1.7;
  margin-top: 1rem;
}

/* Journey */
.journey { position: relative; }

.journey__pin { position: relative; }

.journey__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: calc(var(--header-offset) + 2rem) var(--gutter) 3rem;
}

.journey__index {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  color: var(--signal);
  display: block;
  margin-bottom: 0.75rem;
}

.journey__header { margin-bottom: 3rem; }

.journey__body {
  display: grid;
  grid-template-columns: 0.3fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
}

.journey__nav {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  padding-left: 1.5rem;
  border-left: 1px solid var(--line);
  align-self: center;
}

.journey__nav-indicator {
  position: absolute;
  left: -1px;
  top: 0;
  width: 2px;
  height: 2.75rem;
  background: var(--signal);
  box-shadow: 0 0 16px var(--signal-glow);
  will-change: transform;
}

.journey__nav-item {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.7rem 0;
  /* --muted already provides enough contrast against --fg for the
     active/inactive distinction. Stacking an extra opacity on top (as
     before) faded this down to near-invisible on light backgrounds, where
     --muted is much closer in luminance to white than it is to near-black. */
  color: var(--muted);
  transition: color 0.4s;
}

.journey__nav-item.is-active {
  opacity: 1;
  color: var(--fg);
}

.journey__nav-num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--signal);
  min-width: 1.5rem;
}

.journey__nav-label {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 500;
  letter-spacing: var(--tracking-snug);
}

.journey__panel {
  position: relative;
  min-height: clamp(360px, 52vh, 460px);
  border: 1px solid var(--line);
  background: var(--bg-card);
  overflow: hidden;
}

.journey__panel-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 20% 50%, rgba(255, 92, 26, 0.05), transparent 70%);
  pointer-events: none;
  transition: background 0.8s;
}

.journey__chapter {
  position: absolute;
  inset: 0;
  padding: clamp(2rem, 4vw, 3rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  z-index: 1;
  transform-origin: left center;
}

.journey__chapter.is-active { z-index: 2; }

.journey__chapter-tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal);
  margin-bottom: 0.75rem;
}

.journey__chapter-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 500;
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-snug);
  margin-bottom: 0.75rem;
}

.journey__chapter-lead {
  font-size: var(--text-lg);
  font-weight: 500;
  margin-bottom: 0.75rem;
  max-width: 32rem;
}

.journey__chapter-text {
  font-size: var(--text-base);
  color: var(--muted);
  line-height: 1.75;
  max-width: 34rem;
  margin-bottom: 1.5rem;
}

.journey__deliverables {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.journey__deliverables li {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--line);
  color: var(--muted);
}

@media (max-width: 900px) {
  .signal__grid { grid-template-columns: 1fr; }
  .signal__title-post { text-align: left; margin-left: 0; }
  .signal__stats { grid-template-columns: 1fr; gap: 0.5rem; }

  .journey__body { grid-template-columns: 1fr; gap: 1.5rem; }

  .journey:not(.journey--interactive) .journey__nav {
    flex-direction: row;
    flex-wrap: wrap;
    border: none;
    padding: 0;
  }

  .journey:not(.journey--interactive) .journey__nav-indicator { display: none; }

  .journey:not(.journey--interactive) .journey__panel {
    min-height: auto;
    border: none;
    background: transparent;
  }

  .journey:not(.journey--interactive) .journey__chapter {
    position: relative;
    opacity: 1 !important;
    visibility: visible !important;
    transform: none !important;
    padding: 0 0 2rem 1rem;
    border-left: 2px solid var(--line);
  }

  .journey:not(.journey--interactive) .journey__panel-bg { display: none; }

  .journey--interactive .journey__pin {
    min-height: 100vh;
    min-height: 100dvh;
  }

  .journey--interactive .journey__body {
    grid-template-columns: 1fr;
  }

  .journey--interactive .journey__nav {
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
    border-left: none;
    padding-left: 0;
    gap: 0.25rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .journey--interactive .journey__nav::-webkit-scrollbar {
    display: none;
  }

  .journey--interactive .journey__nav-indicator {
    display: none;
  }

  .journey--interactive .journey__nav-item {
    flex-shrink: 0;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--line);
  }

  .journey--interactive .journey__nav-item.is-active {
    border-color: var(--line-strong);
  }

  .journey--interactive .journey__panel {
    min-height: clamp(320px, 58vh, 420px);
  }

  .journey--interactive .journey__chapter {
    padding: clamp(1.25rem, 4vw, 2rem);
  }
}