/* ════════════════════════════════════════════════
   CAREER JOURNEY — Interactive Section
   Inherits design tokens from style.css (:root)
════════════════════════════════════════════════ */

/* ── Section wrapper ─────────────────────────── */
/* NOTE: no overflow:hidden here — it would break position:sticky on .cj-nav.
   Per-stage overflow is clipped on .cj-stage / .cj-stage__visual instead. */
.cj-section {
  padding-block: var(--section-y);
  border-top: 1px solid var(--border);
}

/* ── Header ──────────────────────────────────── */
.cj-header {
  margin-bottom: var(--s16);
  max-width: var(--container-narrow);
}

.cj-header .label {
  margin-bottom: var(--s4);
}

.cj-eyebrow {
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: var(--s3);
}

.cj-title {
  font-family: var(--font-serif);
  font-size: clamp(1.875rem, 4vw, 3rem);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: var(--s4);
}

.cj-subtitle {
  font-size: var(--fs-base);
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ── Rail (nav + stages) ──────────────────────── */
.cj-rail {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: var(--s10);
  align-items: start;
  position: relative;
}

/* ── Left nav ────────────────────────────────── */
.cj-nav {
  position: sticky;
  top: calc(80px + var(--s8));
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.cj-nav__progress {
  width: 2px;
  background: var(--border);
  border-radius: 2px;
  height: 100%;
  position: absolute;
  left: 18px;
  top: 0;
  overflow: hidden;
}

.cj-nav__progress-fill {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  background: var(--text);
  border-radius: 2px;
  transform-origin: top center;
  transform: scaleY(0);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.cj-nav__btn {
  display: flex;
  align-items: center;
  gap: var(--s3);
  padding: 10px 12px 10px 40px;
  border-radius: var(--r);
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: background var(--t-base) ease;
  position: relative;
  width: 100%;
}

.cj-nav__dot {
  position: absolute;
  left: 13px;
  top: 50%;
  transform: translateY(-50%);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border-strong);
  border: 2px solid var(--bg);
  z-index: 1;
  transition: background var(--t-base) ease, transform var(--t-base) var(--ease-spring);
}

.cj-nav__btn.is-active .cj-nav__dot {
  background: var(--text);
  transform: translateY(-50%) scale(1.2);
}

.cj-nav__btn:hover .cj-nav__dot {
  background: var(--text-secondary);
}

.cj-nav__num {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-tertiary);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.05em;
}

.cj-nav__label {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--t-base) ease;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cj-nav__btn.is-active .cj-nav__label,
.cj-nav__btn.is-active .cj-nav__num {
  color: var(--text);
}

.cj-nav__btn:hover .cj-nav__label {
  color: var(--text);
}

/* ── Stages list ─────────────────────────────── */
.cj-stages {
  display: flex;
  flex-direction: column;
  gap: var(--s6);
}

/* ── Stage card ──────────────────────────────── */
.cj-stage {
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  overflow: hidden;
  background: var(--bg);
  transition: box-shadow var(--t-slow) ease, border-color var(--t-slow) ease;
  will-change: transform;
  position: relative;
  transform-style: preserve-3d;
}

.cj-stage:hover {
  border-color: var(--border-strong);
  box-shadow: 0 20px 60px rgba(0,0,0,0.07), 0 6px 20px rgba(0,0,0,0.04);
}

/* Focused stage (the one currently in view) gets a subtle lift + accent */
.cj-stage.is-current {
  border-color: var(--border-strong);
  box-shadow: 0 14px 44px rgba(0,0,0,0.06), 0 4px 14px rgba(0,0,0,0.03);
}
.cj-stage.is-current .cj-chapter-tag {
  color: var(--text-secondary);
}
.cj-stage.is-current .cj-chapter-tag::after {
  width: 56px;
  background: var(--text);
  transition: width var(--t-slow) var(--ease-out), background var(--t-base) ease;
}
.cj-stage--ai.is-current {
  border-color: rgba(255,255,255,0.16);
}
.cj-stage--ai.is-current .cj-chapter-tag { color: rgba(255,255,255,0.5); }
.cj-stage--ai.is-current .cj-chapter-tag::after { background: rgba(255,255,255,0.35); }

/* Parallax target — driven by JS, kept GPU-friendly */
.cj-stage__visual svg,
.cj-ai-canvas svg {
  will-change: transform;
}

.cj-stage__inner {
  display: grid;
  grid-template-columns: 1fr 340px;
  min-height: 380px;
}

/* ── Stage content (left) ────────────────────── */
.cj-stage__content {
  padding: var(--s10);
  display: flex;
  flex-direction: column;
  position: relative;
}

.cj-chapter-tag {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: var(--s6);
  display: flex;
  align-items: center;
  gap: var(--s3);
}

.cj-chapter-tag::after {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--border-strong);
}

.cj-stage__title {
  font-family: var(--font-serif);
  font-size: clamp(1.375rem, 2.2vw, 1.75rem);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.015em;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: var(--s2);
}

.cj-stage__company {
  font-size: var(--fs-sm);
  color: var(--text-tertiary);
  font-weight: 500;
  margin-bottom: var(--s6);
  display: flex;
  align-items: center;
  gap: var(--s2);
}

.cj-stage__company-sep {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.5;
}

.cj-stage__story {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  line-height: 1.75;
  flex: 1;
  margin-bottom: var(--s6);
  max-width: 44ch;
}

/* Reflection — handwritten Caveat font */
.cj-reflection {
  font-family: 'Caveat', cursive;
  font-size: 1.2rem;
  font-weight: 500;
  line-height: 1.45;
  color: var(--text-secondary);
  padding: var(--s4) var(--s5);
  border-left: 2px solid rgba(0,0,0,0.15);
  margin-bottom: var(--s6);
  background: var(--surface);
  border-radius: 0 var(--r) var(--r) 0;
  transform: rotate(-0.4deg);
  transform-origin: left center;
}

/* Skills chips */
.cj-skills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2);
}

.cj-skill {
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-secondary);
  background: var(--bg);
  letter-spacing: 0.02em;
  transition: border-color var(--t-fast) ease;
}

.cj-stage:hover .cj-skill {
  border-color: var(--border-strong);
}

/* ── Stage visual (right) ────────────────────── */
.cj-stage__visual {
  position: relative;
  overflow: hidden;
  border-left: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── Hover side-note annotation ──────────────── */
.cj-note {
  position: absolute;
  font-family: 'Caveat', cursive;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-tertiary);
  pointer-events: none;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  line-height: 1.35;
}

.cj-stage:hover .cj-note {
  opacity: 1;
  transform: translateY(0);
}

/* ── Stage 01: Blueprint ─────────────────────── */
.cj-visual--blueprint {
  background: #F8F8F6;
  background-image:
    linear-gradient(rgba(0,0,0,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.04) 1px, transparent 1px);
  background-size: 28px 28px;
}

/* ── Stage 02: Agency / Sticky notes ────────── */
.cj-visual--agency {
  background: #FFFCF5;
}

/* ── Stage 03: Design system ─────────────────── */
.cj-visual--system {
  background: #F6F6F4;
}

/* ── Stage 04: Consulting / Data ─────────────── */
.cj-visual--consulting {
  background: #F4F6F9;
}

/* ── Stage 05: AI chapter — dark ─────────────── */
.cj-stage--ai {
  background: #0A0E1A;
  border-color: rgba(255,255,255,0.07);
}

.cj-stage--ai .cj-stage__inner {
  grid-template-columns: 1fr;
  min-height: 520px;
}

.cj-stage--ai .cj-stage__content {
  padding: var(--s12) var(--s10) var(--s10);
}

.cj-stage--ai .cj-chapter-tag {
  color: rgba(255,255,255,0.3);
}

.cj-stage--ai .cj-chapter-tag::after {
  background: rgba(255,255,255,0.12);
}

.cj-stage--ai .cj-stage__title {
  color: #fff;
}

.cj-stage--ai .cj-stage__company {
  color: rgba(255,255,255,0.35);
}

.cj-stage--ai .cj-stage__story {
  color: rgba(255,255,255,0.6);
  max-width: 56ch;
}

.cj-stage--ai .cj-reflection {
  background: rgba(255,255,255,0.04);
  border-left-color: rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.55);
}

.cj-stage--ai .cj-skill {
  border-color: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.45);
  background: rgba(255,255,255,0.04);
}

.cj-stage--ai:hover .cj-skill {
  border-color: rgba(255,255,255,0.24);
}

.cj-stage--ai:hover {
  border-color: rgba(255,255,255,0.12);
  box-shadow: 0 20px 60px rgba(0,0,0,0.3), 0 6px 20px rgba(0,0,0,0.2);
}

/* ── Stage 06: Today ─────────────────────────── */
.cj-visual--today {
  background: var(--surface-2);
}

/* ═══ AI Workflow Canvas ════════════════════════ */
.cj-ai-canvas {
  width: 100%;
  padding: var(--s6) var(--s10) var(--s10);
  position: relative;
}

.cj-ai-canvas svg {
  width: 100%;
  height: auto;
  overflow: visible;
}

/* Node styles */
.cj-ai-node {
  cursor: default;
  transition: transform 0.3s var(--ease-spring);
}

.cj-ai-node__ring {
  fill: none;
  stroke: rgba(255,255,255,0.1);
  stroke-width: 1;
  transition: stroke 0.3s ease;
}

.cj-ai-node__bg {
  transition: fill 0.3s ease;
}

.cj-ai-node__icon {
  fill: none;
  stroke: rgba(255,255,255,0.7);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: stroke 0.3s ease;
}

.cj-ai-node__label {
  fill: rgba(255,255,255,0.45);
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: fill 0.3s ease;
}

.cj-ai-node.is-visible {
  animation: nodeIn 0.5s ease forwards;
}

.cj-ai-node.is-active .cj-ai-node__ring {
  stroke: rgba(255,255,255,0.3);
}

.cj-ai-node.is-active .cj-ai-node__icon {
  stroke: #fff;
}

.cj-ai-node.is-active .cj-ai-node__label {
  fill: rgba(255,255,255,0.85);
}

.cj-ai-node.is-dim .cj-ai-node__icon {
  stroke: rgba(255,255,255,0.25);
}

.cj-ai-node.is-dim .cj-ai-node__label {
  fill: rgba(255,255,255,0.2);
}

@keyframes nodeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Path styles */
.cj-ai-path {
  fill: none;
  stroke: rgba(255,255,255,0.12);
  stroke-width: 1.5;
  stroke-linecap: round;
  transition: stroke 0.3s ease;
}

.cj-ai-path.is-active {
  stroke: rgba(255,255,255,0.45);
}

.cj-ai-path.is-dim {
  stroke: rgba(255,255,255,0.05);
}

/* ═══ Mobile ════════════════════════════════════ */
@media (max-width: 900px) {
  .cj-rail {
    grid-template-columns: 1fr;
    gap: var(--s8);
  }

  .cj-nav {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--s2);
    padding: var(--s3);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
  }

  .cj-nav__progress { display: none; }

  .cj-nav__btn {
    padding: 6px 12px;
    border-radius: var(--r);
    flex: 1;
    min-width: 100px;
  }

  .cj-nav__dot { display: none; }

  .cj-nav__btn.is-active {
    background: var(--text);
    border-radius: var(--r);
  }

  .cj-nav__btn.is-active .cj-nav__label,
  .cj-nav__btn.is-active .cj-nav__num {
    color: #fff;
  }
}

@media (max-width: 768px) {
  .cj-stage__inner {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .cj-stage__visual {
    height: 200px;
    border-left: none;
    border-top: 1px solid var(--border);
  }

  .cj-stage__content {
    padding: var(--s8) var(--s6);
  }

  .cj-stage--ai .cj-stage__content {
    padding: var(--s8) var(--s6) var(--s6);
  }

  .cj-stage__story {
    max-width: 100%;
  }

  .cj-note { display: none; }
}

@media (max-width: 480px) {
  .cj-nav__btn {
    min-width: calc(50% - 4px);
  }

  .cj-nav__num { display: none; }
}