/* 2026-10-10 autoflash (그록 봇): auto.campusdown.com Coming soon — dark car theme + motion.
   Future full auto site: reuse this motion language; keep AdSense slots away from animated layers. */
:root{
  --ac-bg:#07090f;
  --ac-panel:#0f1420;
  --ac-line:#243049;
  --ac-text:#e8edf8;
  --ac-muted:#9aa6c1;
  --ac-blue:#3d8bfd;
  --ac-amber:#ffe08a;
  --ac-glow:rgba(61,139,253,.45);
  color-scheme:dark;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%}
body.ac{
  font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  background:var(--ac-bg);color:var(--ac-text);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
.ac-bg{position:fixed;inset:0;pointer-events:none;z-index:0;overflow:hidden}
.ac-glow{position:absolute;width:42vw;height:42vw;border-radius:50%;filter:blur(60px);opacity:.35}
.ac-glow--l{left:-12vw;top:-8vw;background:radial-gradient(circle,rgba(61,139,253,.55),transparent 70%)}
.ac-glow--r{right:-10vw;bottom:10vh;background:radial-gradient(circle,rgba(255,224,138,.28),transparent 70%)}

/* headlight light-sweep */
.ac-sweep{
  position:absolute;inset:-20% -40%;
  background:linear-gradient(105deg,transparent 40%,rgba(255,255,255,.045) 48%,rgba(255,224,138,.10) 50%,rgba(61,139,253,.08) 52%,transparent 60%);
  transform:translateX(-30%) rotate(8deg);
  animation:acSweep 7.5s ease-in-out infinite;
}
@keyframes acSweep{
  0%{transform:translateX(-45%) rotate(8deg)}
  50%{transform:translateX(35%) rotate(8deg)}
  100%{transform:translateX(-45%) rotate(8deg)}
}

/* road-line parallax */
.ac-road{position:absolute;left:0;right:0;bottom:12%;height:80px;perspective:400px}
.ac-road__line{
  position:absolute;left:50%;bottom:0;width:4px;height:140%;
  background:repeating-linear-gradient(to bottom,var(--ac-amber) 0 18px,transparent 18px 36px);
  opacity:.35;transform:translateX(-50%) rotateX(62deg) scaleY(1.4);
  animation:acRoad 1.1s linear infinite;
}
.ac-road__line--b{left:calc(50% + 90px);opacity:.18;animation-duration:1.45s;animation-direction:reverse}
@keyframes acRoad{to{background-position:0 72px}}

.ac-top,.ac-main{position:relative;z-index:1}
.ac-top{
  display:flex;align-items:center;justify-content:space-between;
  max-width:980px;margin:0 auto;padding:18px 20px 0;
}
.ac-brand{font-weight:800;letter-spacing:.02em;font-size:15px;color:#c9d4ef}
.ac-brand span{color:var(--ac-blue)}
.ac-pill{
  font-size:11.5px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;
  padding:6px 12px;border-radius:999px;border:1px solid rgba(255,224,138,.35);
  color:var(--ac-amber);background:rgba(255,224,138,.08);
  box-shadow:0 0 18px rgba(255,224,138,.12);
}
.ac-main{max-width:980px;margin:0 auto;padding:28px 20px 48px}
.ac-hero{padding:8px 0 8px}
.ac-eye{margin:0 0 10px;font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--ac-blue)}
.ac-title{
  margin:0 0 14px;font-size:clamp(28px,6.2vw,46px);line-height:1.12;font-weight:850;letter-spacing:-.02em;
}
.ac-title em{font-style:normal;color:var(--ac-amber);text-shadow:0 0 28px rgba(255,224,138,.25)}
.ac-lead{margin:0;max-width:54ch;font-size:16px;line-height:1.65;color:var(--ac-muted)}

.ac-stage{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;
  margin:28px 0 8px;padding:18px 16px 8px;
  border-radius:20px;background:linear-gradient(180deg,rgba(15,20,32,.9),rgba(15,20,32,.55));
  border:1px solid rgba(122,162,255,.18);
  box-shadow:0 20px 50px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.04);
}

/* car motion */
.ac-car{display:block;max-width:100%;height:auto;overflow:visible}
.ac-car__body{transform-origin:170px 80px;animation:acBounce 1.8s ease-in-out infinite}
.ac-car__shadow{transform-origin:170px 108px;animation:acShadow 1.8s ease-in-out infinite}
.ac-car__wheel .ac-car__spokes{transform-origin:0 0;animation:acSpin 0.55s linear infinite}
.ac-car__head{animation:acBlink 2.4s ease-in-out infinite}
@keyframes acBounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-3px)}}
@keyframes acShadow{0%,100%{transform:scaleX(1);opacity:.35}50%{transform:scaleX(.92);opacity:.22}}
@keyframes acSpin{to{transform:rotate(360deg)}}
@keyframes acBlink{0%,70%,100%{opacity:1}78%{opacity:.35}86%{opacity:1}}

/* gauge */
.ac-gauge{position:relative;width:160px;flex:0 0 auto}
.ac-gauge__arc{
  stroke-dasharray:0 100;
  animation:acArc 1.6s cubic-bezier(.2,.8,.2,1) forwards;
}
@keyframes acArc{to{stroke-dasharray:78 100}}
.ac-gauge__needle{
  transform-origin:80px 90px;
  transform:rotate(-95deg);
  animation:acNeedle 1.6s cubic-bezier(.2,.8,.2,1) forwards;
}
@keyframes acNeedle{to{transform:rotate(55deg)}}
.ac-gauge__readout{position:absolute;left:0;right:0;bottom:2px;text-align:center}
.ac-gauge__num{display:block;font-size:28px;font-weight:850;color:var(--ac-amber);line-height:1;font-variant-numeric:tabular-nums}
.ac-gauge__unit{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ac-muted)}

/* cards + hover glow */
.ac-cards{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:26px;
}
.ac-card{
  position:relative;display:grid;grid-template-columns:auto 1fr auto;grid-template-rows:auto auto;
  column-gap:12px;row-gap:2px;align-items:center;
  padding:16px 16px;border-radius:16px;
  background:rgba(15,20,32,.88);border:1px solid rgba(122,162,255,.16);
  transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
  overflow:hidden;
}
.ac-card:before{
  content:"";position:absolute;inset:-40%;
  background:radial-gradient(circle at 30% 20%,rgba(61,139,253,.22),transparent 45%),
             radial-gradient(circle at 80% 80%,rgba(255,224,138,.12),transparent 40%);
  opacity:0;transition:opacity .25s ease;pointer-events:none;
}
.ac-card:hover,.ac-card:focus-visible{
  transform:translateY(-3px);
  border-color:rgba(61,139,253,.55);
  box-shadow:0 0 0 1px rgba(61,139,253,.25),0 12px 36px rgba(61,139,253,.18),0 0 28px rgba(255,224,138,.08);
  outline:none;
}
.ac-card:hover:before,.ac-card:focus-visible:before{opacity:1}
.ac-card__ico{grid-row:1 / span 2;font-size:22px;line-height:1;filter:drop-shadow(0 0 8px rgba(61,139,253,.35))}
.ac-card__t{font-weight:800;font-size:15.5px}
.ac-card__d{grid-column:2;font-size:12.5px;color:var(--ac-muted);line-height:1.4}
.ac-card__go{grid-row:1 / span 2;grid-column:3;color:var(--ac-blue);font-weight:800;opacity:.7;transition:transform .2s ease,opacity .2s}
.ac-card:hover .ac-card__go{transform:translateX(3px);opacity:1}

.ac-foot{margin:28px 0 0;display:flex;flex-wrap:wrap;gap:8px 10px;align-items:center;font-size:13px;color:var(--ac-muted)}
.ac-foot a{color:#b8c9ff;font-weight:600}
.ac-foot a:hover{color:var(--ac-amber);text-decoration:underline}
.ac-foot__dot{opacity:.5}

@media (max-width:720px){
  .ac-cards{grid-template-columns:1fr}
  .ac-stage{justify-content:center}
  .ac-car{width:min(100%,300px)}
  .ac-lead{font-size:15px}
}
@media (max-width:390px){
  .ac-main{padding:22px 16px 40px}
  .ac-title{font-size:28px}
}

/* reduced motion */
@media (prefers-reduced-motion:reduce){
  .ac-sweep,.ac-road__line,.ac-car__body,.ac-car__shadow,.ac-car__wheel .ac-car__spokes,
  .ac-car__head,.ac-gauge__arc,.ac-gauge__needle{animation:none!important}
  .ac-gauge__arc{stroke-dasharray:78 100}
  .ac-gauge__needle{transform:rotate(55deg)}
  .ac-card{transition:none}
  .ac-card:hover,.ac-card:focus-visible{transform:none}
}