/* ============================================================
   site.css — JBC website (Phase 1)
   Imports the design system tokens. Never duplicates values.
   ============================================================ */

@import url('jeremy-bales-creative-design-system/project/colors_and_type.css');

/* ============================================================
   1. BASE
   ============================================================ */

*, *::before, *::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: var(--jb-env-0);
  color: var(--jb-fg-1);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
button { font: inherit; color: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }

/* ============================================================
   2. ENVIRONMENT — persistent library photo behind everything
   library.png is static. No keyframes here. (Future addition.)
   ============================================================ */

.env-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.env-photo {
  position: absolute;
  inset: 0;
  background-image: url('jeremy-bales-creative-design-system/project/assets/environments/library.png');
  background-size: cover;
  background-position: center;
  filter: saturate(0.78) contrast(0.95) brightness(0.82);
  transition: filter 500ms ease;
}

.diagnostic-panel.is-open ~ * .env-photo,
body.panel-open .env-photo {
  filter: saturate(0.6) contrast(0.9) brightness(0.7) blur(4px);
}

.env-scrim {
  position: absolute;
  inset: 0;
  background: rgba(14, 21, 16, 0.72);
}

.env-vignette {
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 240px 80px rgba(0, 0, 0, 0.7);
}

.env-grain {
  position: absolute;
  inset: 0;
  background-image: repeating-radial-gradient(
    circle at 30% 40%,
    var(--jb-env-grain) 0 1px,
    transparent 1px 3px
  );
  mix-blend-mode: overlay;
  opacity: 0.45;
}

/* ============================================================
   3. NAV — fixed, transparent, sits above panel
   z-index: 50 (panel is 40, modal scrim is 100)
   ============================================================ */

.jb-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 64px;
  background: transparent;
}

.jb-logo {
  display: inline-flex;
  align-items: center;
}

.jb-logo img {
  height: 40px;
  display: block;
}

.jb-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-item {
  font-family: var(--font-body);
  font-size: var(--fs-meta);
  font-weight: var(--fw-meta);
  letter-spacing: var(--ls-meta);
  text-transform: uppercase;
  color: var(--jb-fg-2);
  text-decoration: none;
  transition: color var(--dur-base) var(--ease-slow);
}

.nav-item:hover {
  color: var(--jb-green);
}

/* ============================================================
   4. BUTTONS — only two flavors: ghost and solid
   ============================================================ */

.btn {
  font-family: var(--font-body);
  font-size: var(--fs-meta);
  font-weight: var(--fw-meta);
  letter-spacing: var(--ls-meta);
  text-transform: uppercase;
  padding: 14px 20px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  border: 0;
  cursor: pointer;
  transition: all var(--dur-base) var(--ease-slow);
  border-radius: var(--r-none);
}

.btn--ghost {
  background: transparent;
  border: 1px solid var(--jb-green);
  color: var(--jb-green);
}

.btn--ghost:hover {
  background: var(--jb-green-soft);
}

.btn--solid {
  background: var(--jb-green);
  color: var(--jb-ink);
}

.btn--solid:hover {
  background: var(--jb-green-hover);
}

.btn--sm {
  padding: 10px 16px;
  font-size: var(--fs-micro);
  white-space: nowrap;
}

.btn .arrow,
.btn::after {
  transition: transform var(--dur-base) var(--ease-slow);
}

.btn:hover::after {
  transform: translateX(3px);
}

/* ============================================================
   5. HERO — full-viewport diagnostic entry
   Two-zone grid (42% left, 58% right empty for environment breathe)
   ============================================================ */

.jb-hero {
  position: relative;
  z-index: 5;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 42% 1fr;
  gap: 56px;
  padding: 160px 64px 80px;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 0;
  transition:
    transform var(--dur-slow) var(--ease-slow),
    opacity var(--dur-base) var(--ease-slow);
}

.hero-content-exit {
  transform: translateY(-32px);
  opacity: 0;
  pointer-events: none;
}

.hero-eyebrow {
  margin-bottom: 24px;
}

.hero-headline {
  font-size: clamp(44px, 5.5vw, 64px);
  font-weight: var(--fw-display);
  line-height: var(--lh-display);
  letter-spacing: var(--ls-display-tight);
  color: var(--jb-fg-1);
  margin: 0 0 24px;
  text-wrap: balance;
}

.hero-lede {
  font-family: var(--font-body);
  font-size: var(--fs-body-lg);
  font-weight: var(--fw-body);
  line-height: 1.5;
  color: var(--jb-fg-2);
  margin: 0 0 48px;
  max-width: 36ch;
}

.hero-quiz {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.hero-quiz-label {
  color: var(--jb-fg-2);
  font-size: var(--fs-body);
  margin-bottom: 4px;
}

/* ============================================================
   6. CHOICE ROWS — shared style for homepage and panel
   .choice-btn  → homepage entry rows (data-goal)
   .dp-choice-btn → diagnostic panel rows (data-obstacle)
   Both classes mandatory because diagnostic.js queries each.
   ============================================================ */

.choice-grid {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 8px;
}

.choice-btn,
.dp-choice-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 18px 0;
  background: transparent;
  border: 0;
  border-top: 1px solid var(--jb-rule-dark);
  border-radius: var(--r-none);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: var(--fw-body);
  line-height: 1.4;
  color: var(--jb-fg-1);
  text-align: left;
  cursor: pointer;
  transition:
    color var(--dur-base) var(--ease-slow),
    padding-left var(--dur-base) var(--ease-slow);
}

.choice-btn:last-child,
.dp-choice-btn:last-child {
  border-bottom: 1px solid var(--jb-rule-dark);
}

.choice-btn span,
.dp-choice-btn span {
  flex: 1;
}

.choice-btn::after,
.dp-choice-btn::after {
  content: "→";
  font-family: var(--font-body);
  font-size: var(--fs-body);
  color: var(--jb-green);
  margin-left: 16px;
  transition: transform var(--dur-base) var(--ease-slow);
}

.choice-btn:hover,
.dp-choice-btn:hover {
  color: var(--jb-green);
  padding-left: 4px;
}

.choice-btn:hover::after,
.dp-choice-btn:hover::after {
  transform: translateX(3px);
  color: var(--jb-green-hover);
}

/* ============================================================
   7. DIAGNOSTIC PANEL — transparent overlay, environment shows through
   Panel root is pointer-events: none so nav stays clickable.
   .dp-content is pointer-events: auto so the panel itself is interactive.
   ============================================================ */

.diagnostic-panel {
  position: fixed;
  inset: 0;
  z-index: 40;
  pointer-events: none;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease-slow);
}

.diagnostic-panel.is-open {
  opacity: 1;
  pointer-events: none; /* keep none — only .dp-content is interactive */
}

.dp-content {
  position: relative;
  pointer-events: auto;
  padding: 140px 64px 100px;
  max-width: 1280px;
  margin: 0 auto;
  animation: stageEnter var(--dur-slow) var(--ease-slow);
}

/* ============================================================
   8. BANNERS — preserved in JS, hidden by CSS
   Environment IS the visual context. (Future feature may re-enable.)
   ============================================================ */

.dp-banner-wrap {
  display: none;
}

/* ============================================================
   9. DIAGNOSTIC LAYOUT — two zones inside .dp-content
   Left: progress + dossier + step + headline + sub + (callout) + choices
   Right: case-study figure module on dusty paper
   ============================================================ */

.dp-layout {
  display: grid;
  grid-template-columns: 42% 1fr;
  gap: 56px;
  align-items: start;
}

.dp-left {
  min-width: 0;
  display: flex;
  flex-direction: column;
  background: rgba(14, 21, 16, 0.45);
  padding: 32px;
}

.dp-right {
  position: relative;
  min-width: 0;
  transform: translate(8px, 4px);
  background: var(--jb-bg-light);
  border: 1px solid var(--jb-rule-light);
  border-radius: var(--r-none);
  box-shadow: var(--elev-figure-light);
  padding: 20px;
  color: var(--jb-on-light-1);
}

/* FIG. 01 plate — rotated 90deg on outer edge of figure column */
.dp-right::after {
  content: "FIG. 01";
  position: absolute;
  right: -36px;
  top: 50%;
  transform: translateY(-50%) rotate(90deg);
  transform-origin: center;
  font-family: var(--font-body);
  font-size: var(--fs-meta);
  font-weight: var(--fw-meta);
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--jb-fg-3);
  pointer-events: none;
}

.dp-right .dp-cs-card {
  border-color: var(--jb-rule-light);
  box-shadow: none;
  margin-bottom: 18px;
}

.dp-right .dp-cs-eyebrow-deliverables {
  color: var(--jb-on-light-3);
}

/* ============================================================
   10. PROGRESS DASHES — replaces dot pips
   Three short hairlines: pending (40% alpha), complete (full), active (green)
   ============================================================ */

.dp-progress {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
}

.dp-pip {
  display: block;
  width: 24px;
  height: 1px;
  background: var(--jb-fg-4);
  opacity: 0.4;
  transition: all var(--dur-base) var(--ease-slow);
}

.dp-pip--active {
  background: var(--jb-green);
  opacity: 1;
}

.dp-pip--complete {
  background: var(--jb-fg-4);
  opacity: 1;
}

/* ============================================================
   11. DOSSIER + STEP TAG
   Dossier reads "Goal: ... · domain · obstacle" — small uppercase meta
   Step tag is uppercase green
   ============================================================ */

.dp-dossier {
  font-family: var(--font-body);
  font-size: var(--fs-meta);
  font-weight: var(--fw-meta);
  letter-spacing: var(--ls-meta);
  text-transform: uppercase;
  color: var(--jb-fg-3);
  margin: 0 0 16px;
}

.dp-step-tag {
  font-family: var(--font-body);
  font-size: var(--fs-meta);
  font-weight: var(--fw-meta);
  letter-spacing: var(--ls-meta);
  text-transform: uppercase;
  color: var(--jb-green);
  margin: 0 0 16px;
}

/* ============================================================
   12. HEADLINE + SUB inside the panel
   ============================================================ */

.dp-headline {
  font-family: var(--font-display);
  font-size: var(--fs-display-md);
  font-weight: var(--fw-display);
  line-height: var(--lh-display);
  letter-spacing: var(--ls-display-tight);
  color: var(--jb-fg-1);
  margin: 0 0 16px;
  text-wrap: balance;
}

.dp-subhead {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: var(--fw-body);
  line-height: var(--lh-body);
  color: var(--jb-fg-2);
  margin: 0 0 32px;
  max-width: 48ch;
}

/* ============================================================
   13. SPEED-CHECK CALLOUT (Convert branch only)
   Quiet container with green hairline rule on the left.
   ============================================================ */

.dp-callout {
  position: relative;
  padding: 20px 24px;
  margin: 0 0 32px;
  border: 1px solid var(--jb-rule-dark);
  border-left: 1px solid var(--jb-green);
  background: rgba(225, 223, 217, 0.04);
}

.dp-callout-label {
  display: block;
  font-family: var(--font-body);
  font-size: var(--fs-meta);
  font-weight: var(--fw-meta);
  letter-spacing: var(--ls-meta);
  text-transform: uppercase;
  color: var(--jb-green);
  margin-bottom: 8px;
}

.dp-callout-copy {
  font-family: var(--font-body);
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-body);
  line-height: var(--lh-body);
  color: var(--jb-fg-2);
  margin: 0 0 16px;
}

.dp-speed-form {
  display: flex;
  gap: 0;
}

.dp-speed-input {
  flex: 1;
  padding: 12px 14px;
  border: 1px solid var(--jb-rule-dark);
  border-right: 0;
  border-radius: var(--r-sm);
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
  background: rgba(225, 223, 217, 0.06);
  font-family: var(--font-body);
  font-size: var(--fs-body-sm);
  color: var(--jb-fg-1);
  outline: none;
  transition: border-color var(--dur-base) var(--ease-slow);
}

.dp-speed-input:focus {
  border-color: var(--jb-green);
}

.dp-speed-input::placeholder {
  color: var(--jb-fg-3);
}

.dp-speed-btn {
  padding: 12px 20px;
  background: transparent;
  border: 1px solid var(--jb-green);
  border-radius: var(--r-sm);
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  color: var(--jb-green);
  font-family: var(--font-body);
  font-size: var(--fs-meta);
  font-weight: var(--fw-meta);
  letter-spacing: var(--ls-meta);
  text-transform: uppercase;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--dur-base) var(--ease-slow);
}

.dp-speed-btn:hover:not(:disabled) {
  background: var(--jb-green-soft);
}

.dp-speed-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.dp-speed-result {
  margin-top: 16px;
}

.dp-speed-loading,
.dp-speed-error {
  font-family: var(--font-body);
  font-size: var(--fs-body-sm);
  color: var(--jb-fg-3);
}

.dp-speed-error {
  color: var(--jb-green-dim);
}

.dp-score-wrap {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Score circle is the one place border-radius: 50% is allowed —
   it's a data-viz mark, not a structural element. */
.dp-score-circle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: var(--fw-meta);
  color: var(--jb-white);
  flex-shrink: 0;
}

.dp-score--green { background: var(--jb-green); }
.dp-score--amber { background: #ba7517; } /* exception: amber state has no token */
.dp-score--red   { background: #a32d2d; } /* exception: red state has no token */

.dp-score-msg {
  font-family: var(--font-body);
  font-size: var(--fs-body-sm);
  color: var(--jb-fg-2);
  line-height: var(--lh-body);
  margin: 0;
}

/* NOTE on amber/red: the design system does not provide warning/error tokens.
   These two hex values are the ONLY hardcoded colors in this file.
   If/when tokens land, swap them in. */

/* ============================================================
   14. DIAGNOSTIC CHOICES container
   ============================================================ */

.dp-choices {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 16px;
}

/* (.dp-choice-btn rules live with .choice-btn in §6 — shared style) */

/* ============================================================
   15. CASE-STUDY FIGURE MODULE — dusty paper card on dark env
   Sharp corners, 1px hairline, subtle elevation, slight offset.
   The video iframe inside renders TRUE COLOR (modal-ish behavior).
   ============================================================ */

.dp-cs-eyebrow-client {
  font-family: var(--font-body);
  font-size: var(--fs-meta);
  font-weight: var(--fw-meta);
  letter-spacing: var(--ls-meta);
  text-transform: uppercase;
  color: var(--jb-green);
  margin: 0 0 8px;
}

.dp-cs-eyebrow-deliverables {
  font-family: var(--font-body);
  font-size: var(--fs-meta);
  font-weight: var(--fw-meta);
  letter-spacing: var(--ls-meta);
  text-transform: uppercase;
  color: var(--jb-fg-3);
  margin: 0 0 16px;
}

.dp-cs-card {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--jb-env-0);
  border: 1px solid var(--jb-rule-light);
  border-radius: var(--r-none);
  overflow: hidden;
}

.dp-cs-media {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

.dp-cs-iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.dp-cs-play {
  width: 56px;
  height: 56px;
  opacity: 0.85;
  transition: transform var(--dur-base) var(--ease-slow), opacity var(--dur-base) var(--ease-slow);
}

.dp-cs-card:hover .dp-cs-play {
  transform: scale(1.04);
  opacity: 1;
}

/* ============================================================
   16. PLAYLIST SWITCHER — tab-style buttons in figure footer
   ============================================================ */

.dp-cs-playlist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.dp-cs-playlist-btn {
  background: transparent;
  border: 1px solid var(--jb-rule-light);
  border-radius: var(--r-none);
  padding: 8px 14px;
  font-family: var(--font-body);
  font-size: var(--fs-meta);
  font-weight: var(--fw-meta);
  letter-spacing: var(--ls-meta-tight);
  text-transform: uppercase;
  color: var(--jb-on-light-2);
  cursor: pointer;
  transition:
    border-color var(--dur-base) var(--ease-slow),
    color var(--dur-base) var(--ease-slow),
    background var(--dur-base) var(--ease-slow);
}

.dp-cs-playlist-btn:hover {
  border-color: var(--jb-rule-light-strong);
  color: var(--jb-on-light-1);
}

.dp-cs-playlist-btn.is-active {
  border-color: var(--jb-green);
  color: var(--jb-green);
  background: var(--jb-green-soft);
}

.dp-cs-client {
  display: block;
  font-family: var(--font-body);
  font-size: var(--fs-meta);
  font-weight: var(--fw-meta);
  letter-spacing: var(--ls-meta);
  text-transform: uppercase;
  color: var(--jb-on-light-3);
  margin: 0 0 4px;
}

.dp-cs-title {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: var(--fw-body-em);
  color: var(--jb-on-light-1);
  margin: 0 0 8px;
  line-height: 1.4;
}

.dp-cs-story {
  font-family: var(--font-body);
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-body);
  color: var(--jb-on-light-2);
  line-height: 1.6;
  margin: 0;
}

/* ============================================================
   17. STAGE 3 TERMINAL — plan reveal, deliverables, package, email
   Single-column centered layout (~720px max width)
   ============================================================ */

.dp-terminal {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px;
  background: rgba(14, 21, 16, 0.45);
}

.dp-terminal .dp-progress {
  margin-bottom: 32px;
}

.dp-plan-reveal {
  margin: 32px 0 32px;
}

.dp-plan-tag {
  font-family: var(--font-body);
  font-size: var(--fs-meta);
  font-weight: var(--fw-meta);
  letter-spacing: var(--ls-meta);
  text-transform: uppercase;
  color: var(--jb-green);
  margin: 0 0 12px;
}

.dp-plan-name {
  font-family: var(--font-display);
  font-size: var(--fs-display-md);
  font-weight: var(--fw-display);
  line-height: var(--lh-display);
  letter-spacing: var(--ls-display-tight);
  color: var(--jb-fg-1);
  margin: 0 0 12px;
}

.dp-plan-diagnosis {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: var(--fw-body);
  color: var(--jb-fg-2);
  line-height: var(--lh-body);
  margin: 0;
  max-width: 56ch;
}

.dp-plan-what {
  margin: 0 0 32px;
  padding: 20px 24px;
  border: 1px solid var(--jb-rule-dark);
  border-left: 1px solid var(--jb-green);
  background: rgba(225, 223, 217, 0.04);
}

.dp-plan-what-label {
  font-family: var(--font-body);
  font-size: var(--fs-meta);
  font-weight: var(--fw-meta);
  letter-spacing: var(--ls-meta);
  text-transform: uppercase;
  color: var(--jb-fg-3);
  margin: 0 0 6px;
}

.dp-plan-what-text {
  font-family: var(--font-body);
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-body);
  color: var(--jb-fg-1);
  line-height: var(--lh-body);
  margin: 0;
}

.dp-plan-items {
  list-style: none;
  padding: 0;
  margin: 0 0 32px;
  border-top: 1px solid var(--jb-rule-dark);
}

.dp-plan-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--jb-rule-dark);
  font-family: var(--font-body);
  font-size: var(--fs-body-sm);
  color: var(--jb-fg-1);
  line-height: var(--lh-body);
}

.dp-plan-check {
  flex-shrink: 0;
  color: var(--jb-green);
  font-size: var(--fs-body-sm);
  margin-top: 1px;
}

.dp-package-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border: 1px solid var(--jb-rule-dark);
  border-radius: var(--r-none);
  margin-bottom: 32px;
}

.dp-package-name {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: var(--fw-body-em);
  color: var(--jb-fg-1);
  margin: 0 0 4px;
}

.dp-package-price {
  font-family: var(--font-body);
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-body);
  color: var(--jb-fg-3);
  margin: 0;
}

.dp-package-arrow {
  font-family: var(--font-body);
  font-size: var(--fs-display-sm);
  color: var(--jb-green);
}

/* Email gate */

.dp-email-copy {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: var(--fw-body);
  color: var(--jb-fg-2);
  line-height: var(--lh-body);
  margin: 0 0 12px;
}

.dp-email-row {
  display: flex;
  gap: 0;
}

.dp-email-input {
  flex: 1;
  padding: 14px 16px;
  border: 1px solid var(--jb-rule-light);
  border-right: 0;
  border-radius: var(--r-sm);
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
  background: var(--jb-bg-light);
  color: var(--jb-ink);
  font-family: var(--font-body);
  font-size: var(--fs-body-sm);
  outline: none;
  transition: border-color var(--dur-base) var(--ease-slow);
}

.dp-email-input:focus {
  border-color: var(--jb-green);
}

.dp-email-input::placeholder {
  color: var(--jb-on-light-3);
}

.dp-email-btn {
  padding: 14px 24px;
  background: transparent;
  border: 1px solid var(--jb-green);
  border-radius: var(--r-sm);
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  color: var(--jb-green);
  font-family: var(--font-body);
  font-size: var(--fs-meta);
  font-weight: var(--fw-meta);
  letter-spacing: var(--ls-meta);
  text-transform: uppercase;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--dur-base) var(--ease-slow);
}

.dp-email-btn:hover:not(:disabled) {
  background: var(--jb-green-soft);
}

.dp-email-btn:disabled {
  opacity: 0.5;
  cursor: default;
}

.dp-email-btn::after {
  content: "→";
  margin-left: 12px;
  display: inline-block;
  transition: transform var(--dur-base) var(--ease-slow);
}

.dp-email-btn:hover:not(:disabled)::after {
  transform: translateX(3px);
}

/* ============================================================
   18. FOOTER — three-column hairline-bordered band
   ============================================================ */

.jb-footer {
  position: relative;
  z-index: 5;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 32px 64px;
  border-top: 1px solid var(--jb-rule-dark);
  font-family: var(--font-body);
  font-size: var(--fs-meta);
  font-weight: var(--fw-meta);
  letter-spacing: var(--ls-meta);
  text-transform: uppercase;
  color: var(--jb-green);
}

.jb-footer span {
  flex: 1;
}

.jb-footer span:nth-child(2) {
  text-align: center;
}

.jb-footer span:last-child {
  text-align: right;
}

/* ============================================================
   19. STAGE TRANSITIONS — diagnostic.js applies these classes
   ============================================================ */

.dp-stage-exit {
  animation: stageExit 350ms var(--ease-slow) forwards;
}

.dp-stage-enter {
  animation: stageEnter 400ms var(--ease-slow) forwards;
}

@keyframes stageExit {
  from { opacity: 1; transform: translateY(0); }
  to   { opacity: 0; transform: translateY(-32px); }
}

@keyframes stageEnter {
  from { opacity: 0; transform: translateY(32px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   20. MOBILE — ≤768px
   - Hero collapses to single column
   - Diagnostic layout collapses to single column (figure stacks below)
   - Nav simplifies: drop Work/Approach links, keep logo + CTA
   ============================================================ */

@media (max-width: 768px) {

  .jb-header {
    padding: 16px 20px;
  }

  .jb-nav .nav-item {
    display: none;
  }

  .jb-hero {
    grid-template-columns: 1fr;
    padding: 120px 20px 60px;
    gap: 32px;
    min-height: auto;
  }

  .hero-headline {
    font-size: clamp(32px, 8vw, 48px);
  }

  .hero-lede {
    font-size: var(--fs-body);
    margin-bottom: 32px;
  }

  .choice-btn,
  .dp-choice-btn {
    font-size: var(--fs-body-sm);
    padding: 16px 0;
  }

  .dp-content {
    padding: 100px 20px 80px;
  }

  .dp-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  /* On mobile the figure stacks below the choices */
  .dp-left  { order: 1; }
  .dp-right { order: 2; transform: none; padding: 16px; }
  .dp-right::after { display: none; } /* drop FIG. 01 plate on mobile */

  .dp-headline {
    font-size: var(--fs-display-sm);
  }

  .dp-plan-name {
    font-size: var(--fs-display-sm);
  }

  .dp-terminal {
    padding: 0 0 40px;
  }

  .dp-package-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .dp-email-row {
    flex-direction: column;
    gap: 8px;
  }

  .dp-email-input,
  .dp-email-btn {
    border-radius: var(--r-sm);
    border-right: 1px solid var(--jb-rule-light);
  }

  .dp-email-btn {
    border-color: var(--jb-green);
  }

  .dp-speed-form {
    flex-direction: column;
  }

  .dp-speed-input,
  .dp-speed-btn {
    border-radius: var(--r-sm);
  }

  .dp-speed-input {
    border-right: 1px solid var(--jb-rule-dark);
    margin-bottom: 8px;
  }

  .jb-footer {
    flex-direction: column;
    gap: 8px;
    padding: 24px 20px;
    text-align: center;
  }

  .jb-footer span,
  .jb-footer span:nth-child(2),
  .jb-footer span:last-child {
    text-align: center;
  }
}