/* AutoNews Automotive Motion Language · October 2026
   Short, event-driven feedback inspired by the physical vocabulary of a car:
   ignition, acceleration, lane markings and instrument status. */
:root {
  --an-motion-fast: 150ms;
  --an-motion-base: 280ms;
  --an-motion-route: 430ms;
  --an-ease-drive: cubic-bezier(.22,.82,.32,1);
  --an-ease-brake: cubic-bezier(.2,.75,.24,1);
  --an-road: #26302c;
  --an-tail: #ef5b42;
}

/* Thin loading rail: a restrained speedometer needle for every navigation. */
.an-route-progress {
  position: fixed;
  z-index: 10020;
  inset: 0 0 auto 0;
  height: 3px;
  pointer-events: none;
  opacity: 0;
  overflow: hidden;
  background: color-mix(in srgb, var(--line) 70%, transparent);
  transition: opacity var(--an-motion-fast) ease;
}
.an-route-progress::before {
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  transform: translateX(-101%);
  background: linear-gradient(90deg, var(--gold-text), var(--gold) 62%, #fff3ad);
  box-shadow: 0 0 16px color-mix(in srgb, var(--gold) 65%, transparent);
}
.an-route-progress.is-loading { opacity: 1; }
.an-route-progress.is-loading::before { animation: an-route-progress var(--an-motion-route) var(--an-ease-drive) forwards; }
@keyframes an-route-progress {
  0% { transform: translateX(-101%); }
  54% { transform: translateX(-34%); }
  100% { transform: translateX(0); }
}

/* The route transition lives at the bottom edge so it reads as a road, not a modal. */
.an-route-transition {
  position: fixed;
  z-index: 10010;
  left: 0;
  right: 0;
  bottom: 0;
  height: 94px;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(24px);
  transition: opacity 130ms ease, transform 280ms var(--an-ease-drive), visibility 0s linear 300ms;
}
.an-route-transition::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, color-mix(in srgb, var(--paper) 92%, transparent) 55%, var(--paper) 100%);
}
.an-route-road {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 16px;
  height: 30px;
  overflow: hidden;
  border-top: 1px solid color-mix(in srgb, var(--ink) 17%, transparent);
}
.an-route-road::before {
  content: "";
  position: absolute;
  left: -90px;
  right: -90px;
  top: 15px;
  height: 2px;
  background: repeating-linear-gradient(90deg, transparent 0 24px, var(--gold) 24px 74px, transparent 74px 102px);
  transform: skewX(-25deg);
  opacity: .8;
}
.an-route-label {
  position: absolute;
  right: 22px;
  bottom: 55px;
  color: var(--ink3);
  font: 700 9px/1 var(--sans);
  letter-spacing: 2.2px;
  text-transform: uppercase;
}
.an-route-car {
  position: absolute;
  z-index: 2;
  left: -92px;
  bottom: 2px;
  width: 72px;
  height: 25px;
  filter: drop-shadow(0 7px 7px rgb(0 0 0 / 17%));
}
.an-route-car__body {
  position: absolute;
  inset: 7px 0 5px;
  border-radius: 13px 17px 5px 5px;
  background: var(--gold);
}
.an-route-car__body::before {
  content: "";
  position: absolute;
  left: 19px;
  top: -8px;
  width: 35px;
  height: 11px;
  border-radius: 14px 14px 2px 2px;
  background: linear-gradient(110deg, var(--gold) 0 19%, #4d5d57 20% 78%, var(--gold) 79%);
  clip-path: polygon(18% 0, 78% 0, 100% 100%, 0 100%);
}
.an-route-car__body::after {
  content: "";
  position: absolute;
  right: 2px;
  top: 4px;
  width: 7px;
  height: 3px;
  border-radius: 4px;
  background: #fff5bc;
  box-shadow: -68px 1px 0 var(--an-tail), -77px 1px 12px 2px color-mix(in srgb, var(--an-tail) 70%, transparent);
}
.an-route-car__wheel {
  position: absolute;
  z-index: 2;
  bottom: 0;
  width: 12px;
  height: 12px;
  border: 3px solid #17201d;
  border-radius: 50%;
  background: #aeb8b3;
}
.an-route-car__wheel--front { right: 10px; }
.an-route-car__wheel--back { left: 11px; }
body.an-route-leaving .an-route-transition {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition-delay: 0s;
}
html.an-route-leaving,
body.an-route-leaving { overflow: hidden; }
body.an-route-leaving .an-route-road::before { animation: an-road-run 320ms linear infinite; }
body.an-route-leaving .an-route-car { animation: an-car-drive 430ms var(--an-ease-drive) forwards; }
body.an-route-leaving .an-route-car__wheel { animation: an-wheel-spin 250ms linear infinite; }
@keyframes an-road-run { to { transform: translateX(-102px) skewX(-25deg); } }
@keyframes an-wheel-spin { to { rotate: 1turn; } }
@keyframes an-car-drive {
  0% { left: -92px; transform: translateY(0) rotate(0); }
  36% { transform: translateY(-2px) rotate(-.7deg); }
  100% { left: calc(100% + 24px); transform: translateY(0) rotate(0); }
}

/* Page arrival: one calm settle, with no continuous ambient loop. */
body.an-page-enter .main { opacity: 0; transform: translateY(8px); }
body.an-page-enter.an-page-live .main {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 360ms ease, transform 520ms var(--an-ease-brake);
}

/* Route headings gain a small instrument readout and a road-like baseline. */
.an-instrument-head { position: relative; }
.an-head-meter {
  position: absolute;
  z-index: 2;
  right: 0;
  top: 0;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  max-width: 230px;
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--card) 92%, transparent);
  color: var(--ink3);
  font: 700 9px/1 var(--sans);
  letter-spacing: 1.25px;
  white-space: nowrap;
}
.an-head-meter i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--green) 14%, transparent);
}
.an-head-meter b { color: var(--green); font: inherit; }
.an-instrument-head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: min(210px, 38%);
  height: 2px;
  background: linear-gradient(90deg, var(--gold) 0 46%, transparent 46% 52%, var(--gold) 52% 76%, transparent 76% 82%, var(--gold) 82%);
  transform-origin: left;
  animation: an-lane-arrive 540ms var(--an-ease-drive) both;
}
@keyframes an-lane-arrive { from { opacity: 0; transform: scaleX(.12); } }

/* Active navigation reads like a dashboard selection. */
body.editorial-ui :is(.nav-item,.cjl-showcase-nav a,.mobile-tab-bar a).active { position: relative; }
body.editorial-ui :is(.nav-item,.cjl-showcase-nav a).active::after {
  content: "";
  position: absolute;
  right: 11px;
  top: 50%;
  width: 6px;
  height: 6px;
  margin-top: -3px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--gold) 22%, transparent);
}
body.editorial-ui .mobile-tab-bar a.active::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  width: 24px;
  height: 2px;
  transform: translateX(-50%);
  border-radius: 0 0 4px 4px;
  background: var(--gold);
  box-shadow: 0 3px 8px color-mix(in srgb, var(--gold) 40%, transparent);
}

/* Ignition feedback and pointer-positioned ripple. */
.an-control {
  position: relative;
  isolation: isolate;
  -webkit-tap-highlight-color: transparent;
  transition: transform var(--an-motion-fast) ease, box-shadow var(--an-motion-base) ease, border-color var(--an-motion-base) ease;
}
.an-control.is-pressed { transform: translateY(1px) scale(.975) !important; }
.an-ripple {
  position: absolute;
  z-index: -1;
  left: var(--an-ripple-x);
  top: var(--an-ripple-y);
  width: 14px;
  height: 14px;
  margin: -7px;
  border-radius: 50%;
  pointer-events: none;
  background: color-mix(in srgb, var(--gold) 45%, transparent);
  animation: an-ripple 560ms ease-out forwards;
}
@keyframes an-ripple {
  from { opacity: .82; transform: scale(.2); }
  to { opacity: 0; transform: scale(12); }
}
body.editorial-ui :is(.btn-primary,.cjl-btn-primary,button[type="submit"]).an-control::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(105deg, transparent 28%, rgb(255 255 255 / 44%) 48%, transparent 68%);
  transform: translateX(-130%);
}
body.editorial-ui :is(.btn-primary,.cjl-btn-primary,button[type="submit"]).an-control:hover::after {
  animation: an-ignition-sweep 650ms var(--an-ease-drive);
}
@keyframes an-ignition-sweep { to { transform: translateX(130%); } }

/* Action cards move like a car pulling cleanly into the next lane. */
.an-drive-card { position: relative; transition: transform 220ms var(--an-ease-drive), border-color 220ms ease, box-shadow 260ms ease; }
.an-drive-card::after {
  content: "";
  position: absolute;
  z-index: 2;
  right: 14px;
  bottom: 11px;
  width: 24px;
  height: 2px;
  border-radius: 3px;
  opacity: 0;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, var(--gold));
  transform: translateX(-12px);
  transition: opacity 180ms ease, transform 260ms var(--an-ease-drive);
}
@media (hover:hover) and (pointer:fine) {
  .an-drive-card:hover { transform: translate3d(4px,-4px,0); border-color: color-mix(in srgb, var(--gold-text) 62%, var(--line)); box-shadow: 0 15px 34px rgb(21 38 30 / 10%); }
  .an-drive-card:hover::after { opacity: 1; transform: translateX(0); }
  .an-drive-card:hover :is(img,.cjl-news-card__media img,.cjl-editorial-card__cover img) { transform: scale(1.035) translateX(3px); }
}
.an-drive-card :is(img,.cjl-news-card__media img,.cjl-editorial-card__cover img) { transition: transform 520ms var(--an-ease-drive); }

/* Focus and select changes imitate an instrument ring coming alive. */
body.editorial-ui :is(input,textarea,select):focus {
  transition: border-color 180ms ease, box-shadow 240ms ease, background-color 240ms ease;
}
.an-gauge-pulse { animation: an-gauge-pulse 420ms ease; }
@keyframes an-gauge-pulse {
  0%,100% { box-shadow: inherit; }
  42% { box-shadow: 0 0 0 5px color-mix(in srgb, var(--gold) 24%, transparent); }
}
body.an-form-launch button[type="submit"] { animation: an-start-button 390ms var(--an-ease-drive); }
@keyframes an-start-button {
  35% { transform: scale(.975); box-shadow: 0 0 0 6px color-mix(in srgb, var(--gold) 20%, transparent); }
}

/* One-shot viewport reveal. JS arms it only after IntersectionObserver exists. */
.an-reveal-pending {
  opacity: 0;
  transform: translateY(13px);
}
.an-revealed {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 420ms ease var(--an-delay, 0ms), transform 520ms var(--an-ease-brake) var(--an-delay, 0ms);
}

/* Compact road marks soften dense pages while keeping their information hierarchy. */
body.editorial-ui :is(.section-title,.cjl-section-title,.cjl-editorial-head h2) { position: relative; }
body.editorial-ui :is(.section-title,.cjl-section-title,.cjl-editorial-head h2)::before {
  content: "";
  display: inline-block;
  width: 24px;
  height: 3px;
  margin: 0 9px 4px 0;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--gold) 0 62%, transparent 62% 72%, var(--gold) 72%);
}

html[data-theme="dark"] .an-route-car { filter: drop-shadow(0 7px 8px rgb(0 0 0 / 45%)); }
html[data-theme="dark"] .an-head-meter { background: color-mix(in srgb, var(--card) 92%, transparent); }

@media (max-width: 900px) {
  .an-head-meter { position: absolute; top: 0; right: 0; width: max-content; margin: 0; }
  .an-route-transition { height: 80px; }
  .an-route-label { display: none; }
}
@media (max-width: 600px) {
  .an-head-meter { max-width: 100%; padding: 5px 8px; letter-spacing: .9px; }
  body.page-home .cjl-home-intro.an-instrument-head { padding-top: 34px; }
  body.page-home .cjl-home-intro .an-head-meter { left: 0; right: auto; }
  body.editorial-ui:not(.page-home) :is(.cjl-page-head,.page-head,.patent-head).an-instrument-head { padding-top: 48px; }
  body.editorial-ui:not(.page-home) .article-nyt.an-instrument-head { padding-top: 58px; }
  .an-route-road { bottom: 10px; }
  .an-route-car { transform: scale(.88); transform-origin: bottom left; }
  .an-instrument-head::after { width: 120px; }
}

@media (prefers-reduced-motion: reduce) {
  .an-route-transition, .an-route-progress { display: none !important; }
  body.an-page-enter .main, body.an-page-enter.an-page-live .main { opacity: 1; transform: none; transition: none; }
  .an-instrument-head::after, .an-ripple, .an-control::after { animation: none !important; }
  .an-reveal-pending, .an-revealed { opacity: 1; transform: none; transition: none; }
  .an-drive-card, .an-control { transform: none !important; transition-duration: .01ms !important; }
}