/* ===== Process page — "The Route" (v3, dark expedition map) ===== */

/* Hero cue under the lede — invites the scroll */
.journey-cue {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  margin-top: 44px;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-mute);
}
.journey-cue__rail {
  width: 1px;
  height: 52px;
  background: var(--line-strong);
  position: relative;
  overflow: hidden;
  margin-left: 2px;
}
.journey-cue__rail::after {
  content: "";
  position: absolute;
  left: 0;
  top: -30%;
  width: 100%;
  height: 30%;
  background: var(--ink);
  animation: journey-cue-drop 2.2s var(--ease) infinite;
}
@keyframes journey-cue-drop {
  0%   { top: -30%; }
  70%, 100% { top: 105%; }
}

/* ---------- The dark band ---------- */
.rt {
  --p: 0;
  --rt-bg: oklch(0.145 0.018 272);
  --rt-ink: oklch(0.93 0.01 270);
  --rt-ink-soft: oklch(0.72 0.02 270);
  --rt-ink-mute: oklch(0.55 0.02 270);
  --rt-line: oklch(0.28 0.02 272);
  position: relative;
  background: var(--rt-bg);
  color: var(--rt-ink);
  overflow: hidden;
  isolation: isolate;
}

/* background layers — drift slowly with travel */
.rt__bg { position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.rt__bg-grid {
  position: absolute;
  inset: -10% 0;
  background-image:
    linear-gradient(oklch(0.95 0 0 / 0.025) 1px, transparent 1px),
    linear-gradient(90deg, oklch(0.95 0 0 / 0.025) 1px, transparent 1px);
  background-size: 72px 72px;
  transform: translateY(calc(var(--p) * -60px));
}
.rt__bg-glow {
  position: absolute;
  left: 50%;
  top: calc(var(--p) * 100%);
  width: 130vmin;
  height: 130vmin;
  transform: translate(-50%, -50%);
  background: radial-gradient(
    closest-side,
    oklch(0.6 0.16 calc(285 - var(--p) * 205) / 0.13),
    transparent 70%
  );
}

/* ---------- Intro ---------- */
.rt__intro {
  padding-top: clamp(80px, 12vh, 150px);
  padding-bottom: clamp(40px, 7vh, 90px);
}
.rt__eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--rt-ink-mute);
}
.rt__headline {
  margin: 22px 0 0;
  font-size: clamp(46px, 7vw, 110px);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 0.98;
  color: var(--rt-ink);
  text-wrap: balance;
}
.rt__headline em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  background: linear-gradient(100deg, oklch(0.75 0.17 285), oklch(0.8 0.15 215) 55%, oklch(0.84 0.15 80));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.rt__sub {
  margin: 26px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--rt-ink-mute);
}

/* ---------- Map ---------- */
.rt__map { position: relative; }
.rt__svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  z-index: 0;
}
.rt__base {
  fill: none;
  stroke: oklch(0.95 0 0 / 0.09);
  stroke-width: 2;
  stroke-dasharray: 3 9;
  stroke-linecap: round;
}
.rt__line {
  fill: none;
  stroke-width: 3.5;
  stroke-linecap: round;
  filter: drop-shadow(0 0 10px oklch(0.7 0.16 250 / 0.55));
}
.rt__traveler-core { fill: #fff; }
.rt__traveler-ring {
  fill: none;
  stroke: oklch(0.95 0 0 / 0.5);
  stroke-width: 1.5;
  animation: rt-traveler-pulse 2.1s var(--ease) infinite;
  transform-origin: center;
  transform-box: fill-box;
}
.rt__traveler-halo { fill: oklch(0.85 0.1 250 / 0.16); }
.rt-static .rt__traveler { display: none; }
@keyframes rt-traveler-pulse {
  0%   { transform: scale(0.7); opacity: 1; }
  100% { transform: scale(2.1); opacity: 0; }
}

/* ---------- Stations ---------- */
.rt__stations {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  z-index: 1;
}
.rt-station {
  min-height: 92vh;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  align-items: center;
  gap: clamp(20px, 4vw, 56px);
  padding-block: 8vh;
}
.rt-station:nth-child(even) .rt-station__nodecell { order: 2; }
.rt-station:nth-child(even) .rt-card { order: 1; }

.rt-station__nodecell {
  display: grid;
  place-items: center;
}
.rt-node {
  position: relative;
  width: 64px;
  height: 64px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: var(--rt-bg);
  border: 1.5px solid var(--rt-line);
  transition: border-color 500ms var(--ease), box-shadow 500ms var(--ease), transform 500ms var(--ease);
}
.rt-node__core {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--rt-ink-mute);
  transition: color 500ms var(--ease);
}
.rt-node__pulse {
  position: absolute;
  inset: -1.5px;
  border-radius: inherit;
  border: 1.5px solid oklch(0.7 0.17 var(--acc, 285) / 0.7);
  opacity: 0;
  pointer-events: none;
}
.rt-station.is-lit .rt-node {
  border-color: oklch(0.7 0.17 var(--acc, 285));
  box-shadow:
    0 0 0 5px oklch(0.7 0.17 var(--acc, 285) / 0.14),
    0 0 26px oklch(0.7 0.17 var(--acc, 285) / 0.4);
}
.rt-station.is-lit .rt-node__core { color: oklch(0.85 0.12 var(--acc, 285)); }
.rt-station.is-current .rt-node { transform: scale(1.12); }
.rt-station.is-current .rt-node__pulse { animation: rt-node-pulse 1.8s var(--ease) infinite; }
@keyframes rt-node-pulse {
  0%   { transform: scale(1); opacity: 0.9; }
  100% { transform: scale(1.9); opacity: 0; }
}

/* ---------- Cards ---------- */
.rt-card {
  position: relative;
  max-width: 560px;
  padding: clamp(26px, 3vw, 42px);
  border: 1px solid var(--rt-line);
  border-radius: 24px;
  background: oklch(0.18 0.02 272 / 0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition:
    opacity 600ms var(--ease),
    transform 600ms var(--ease),
    border-color 600ms var(--ease),
    box-shadow 600ms var(--ease);
}
.rt-ready .rt-station:not(.is-lit) .rt-card {
  opacity: 0;
  transform: translateY(56px) scale(0.96);
}
.rt-station.is-lit .rt-card { opacity: 1; transform: none; }
.rt-station.is-current .rt-card {
  border-color: oklch(0.7 0.17 var(--acc, 285) / 0.55);
  box-shadow:
    0 34px 80px -42px oklch(0.7 0.17 var(--acc, 285) / 0.6),
    inset 0 1px 0 oklch(0.95 0 0 / 0.07);
}

/* huge ghost number behind the card */
.rt-card__big {
  position: absolute;
  top: clamp(-86px, -7vw, -40px);
  right: clamp(-10px, 1vw, 18px);
  z-index: -1;
  font-size: clamp(110px, 13vw, 210px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.05em;
  color: transparent;
  -webkit-text-stroke: 1.5px oklch(0.95 0 0 / 0.13);
  transition: color 700ms var(--ease), -webkit-text-stroke-color 700ms var(--ease);
  user-select: none;
}
.rt-station.is-lit .rt-card__big {
  color: oklch(0.7 0.17 var(--acc, 285) / 0.16);
  -webkit-text-stroke-color: oklch(0.7 0.17 var(--acc, 285) / 0.4);
}

.rt-card__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
}
.rt-card__stn {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: oklch(0.8 0.13 var(--acc, 285));
}
.rt-card__week {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--rt-ink-mute);
}
.rt-card__dur {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--rt-ink-mute);
}
.rt-card__title {
  margin: 16px 0 0;
  font-size: clamp(30px, 3vw, 44px);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.02;
  color: var(--rt-ink);
}
.rt-card__desc {
  margin: 14px 0 0;
  font-size: clamp(15px, 1.2vw, 16.5px);
  line-height: 1.6;
  color: var(--rt-ink-soft);
  max-width: 52ch;
  text-wrap: pretty;
}

.rt-card__bullets {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.rt-card__bullets li {
  display: grid;
  grid-template-columns: 16px 1fr;
  align-items: baseline;
  font-size: 14.5px;
  line-height: 1.45;
  color: var(--rt-ink-soft);
}
.rt-card__bullets li::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 2px;
  transform: rotate(45deg) translateY(-1px);
  background: oklch(0.7 0.17 var(--acc, 285));
}
.rt-ready .rt-card__bullets li {
  opacity: 0;
  transform: translateX(-10px);
  transition: opacity 420ms var(--ease), transform 420ms var(--ease);
}
.rt-ready .rt-station.is-lit .rt-card__bullets li {
  opacity: 1;
  transform: none;
  transition-delay: calc(200ms + var(--i, 0) * 90ms);
}

.rt-card__foot {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--rt-line);
}
.rt-card__foot-label {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--rt-ink-mute);
  flex: 0 0 auto;
}
.rt-card__foot-val {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--rt-ink);
}

/* ---------- Finale ---------- */
.rt__finale {
  position: relative;
  min-height: 72vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 18px;
  padding: 10vh 24px 14vh;
}
.rt__finale-burst {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 60vmin;
  height: 60vmin;
  transform: translate(-50%, -50%) scale(0.6);
  border-radius: 50%;
  background: radial-gradient(closest-side, oklch(0.8 0.16 80 / 0.16), transparent 70%);
  opacity: 0;
  transition: opacity 900ms var(--ease), transform 1200ms var(--ease);
  pointer-events: none;
}
.rt-done .rt__finale-burst { opacity: 1; transform: translate(-50%, -50%) scale(1.15); }
.rt__finale-flag {
  width: 48px;
  height: 48px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: oklch(0.82 0.16 80);
  color: oklch(0.18 0.04 80);
  transition: transform 700ms var(--ease), box-shadow 700ms var(--ease);
}
.rt-done .rt__finale-flag {
  transform: scale(1.12);
  box-shadow: 0 0 0 8px oklch(0.82 0.16 80 / 0.15), 0 0 44px oklch(0.82 0.16 80 / 0.5);
}
.rt__finale-title {
  margin: 0;
  font-size: clamp(54px, 8vw, 128px);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1;
  color: var(--rt-ink);
}
.rt__finale-title em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  background: linear-gradient(100deg, oklch(0.84 0.15 80), oklch(0.8 0.15 150));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.rt__finale-text {
  margin: 0;
  font-size: clamp(15.5px, 1.3vw, 18px);
  line-height: 1.55;
  color: var(--rt-ink-soft);
  max-width: 44ch;
  text-wrap: pretty;
}
.rt__finale-ctas {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 10px;
}
.btn--ghost-dark {
  border: 1px solid oklch(0.95 0 0 / 0.22);
  color: var(--rt-ink);
  background: transparent;
}
.btn--ghost-dark:hover { background: oklch(0.95 0 0 / 0.08); }

/* ---------- HUD ---------- */
.rt-hud {
  position: fixed;
  bottom: 22px;
  left: 50%;
  transform: translate(-50%, 16px);
  z-index: 60;
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid oklch(0.95 0 0 / 0.14);
  background: oklch(0.16 0.02 272 / 0.85);
  backdrop-filter: blur(14px) saturate(1.3);
  -webkit-backdrop-filter: blur(14px) saturate(1.3);
  box-shadow: 0 18px 44px -20px rgb(0 0 0 / 0.6);
  color: var(--rt-ink);
  opacity: 0;
  pointer-events: none;
  transition: opacity 320ms var(--ease), transform 320ms var(--ease);
  max-width: min(92vw, 540px);
  white-space: nowrap;
}
.rt-hud.is-on { opacity: 1; transform: translate(-50%, 0); }
.rt-hud__stn {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
}
.rt-hud__stn em { font-style: normal; font-size: 10.5px; color: var(--rt-ink-mute); }
.rt-hud__sep { width: 1px; height: 16px; background: oklch(0.95 0 0 / 0.16); }
.rt-hud__title {
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: -0.01em;
  overflow: hidden;
  text-overflow: ellipsis;
}
.rt-hud__week {
  font-family: var(--font-mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--rt-ink-mute);
}
.rt-hud__bar {
  width: 56px;
  height: 3px;
  border-radius: 99px;
  background: oklch(0.95 0 0 / 0.14);
  overflow: hidden;
  flex: 0 0 auto;
}
.rt-hud__bar span {
  display: block;
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, oklch(0.72 0.17 285), oklch(0.82 0.16 80));
  transition: width 420ms var(--ease);
}

/* ---------- Principles (light section below) ---------- */
.j-rules {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl, 28px);
  overflow: hidden;
}
@media (max-width: 720px) { .j-rules { grid-template-columns: 1fr; } }
.j-rule {
  display: flex;
  gap: 20px;
  padding: clamp(24px, 3vw, 36px);
  background: var(--paper-2);
}
.j-rule__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-mute);
  padding-top: 4px;
}
.j-rule__title {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--ink);
}
.j-rule__desc {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--ink-soft);
}

/* ---------- Mobile ---------- */
@media (max-width: 860px) {
  .rt-station {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 18px;
    min-height: 0;
    padding-block: 12vh;
    align-items: start;
  }
  .rt-station:nth-child(even) .rt-station__nodecell { order: 0; }
  .rt-station:nth-child(even) .rt-card { order: 0; }
  .rt-station__nodecell { place-items: start center; padding-top: 6px; }
  .rt-node { width: 44px; height: 44px; }
  .rt-node__core { font-size: 12px; }
  .rt-card { max-width: none; }
  .rt-card__big { font-size: 92px; top: -52px; right: 0; }
  .rt-hud__week { display: none; }
  .rt-hud { gap: 10px; padding: 9px 14px; }
}

@media (prefers-reduced-motion: reduce) {
  .journey-cue__rail::after { animation: none; }
  .rt__traveler-ring, .rt-station.is-current .rt-node__pulse { animation: none; }
  .rt-ready .rt-station:not(.is-lit) .rt-card { opacity: 1; transform: none; }
  .rt-ready .rt-card__bullets li { opacity: 1; transform: none; }
}