:root {
  --bg:#070707;
  --panel:#111214;
  --line:rgba(255,255,255,.10);
  --text:#f5f1e8;
  --muted:#aaa59d;
  --gold:#d8ac62;
  --gold2:#f1cf8a;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(circle at 85% 3%,rgba(216,172,98,.11),transparent 28%),
    linear-gradient(#080808,#050505);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;
}
body.lock{overflow:hidden}
a{color:inherit;text-decoration:none}
header{
  position:fixed;inset:0 0 auto;z-index:50;height:72px;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 clamp(18px,5vw,72px);
  background:rgba(5,5,5,.80);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:12px;font-weight:900;letter-spacing:1px}
.logo{
  width:42px;height:42px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid rgba(241,207,138,.55);
  color:var(--gold2)
}
.brand small{display:block;color:#8f8981;font-size:10px;letter-spacing:3px;margin-top:3px}
nav{display:flex;gap:24px;color:#d3cec6;font-size:14px}
nav a:hover{color:var(--gold2)}
.hero{
  min-height:90vh;display:flex;align-items:center;position:relative;overflow:hidden;
  padding:120px clamp(22px,7vw,104px) 70px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(0,0,0,.92),rgba(0,0,0,.68) 43%,rgba(0,0,0,.12) 78%),
    linear-gradient(0deg,#070707,transparent 32%),
    url("../assets/images/01-cheetah-supercar.png") center/cover no-repeat;
  transform:scale(1.02);
}
.hero-content{position:relative;z-index:2;max-width:700px}
.kicker{color:var(--gold2);letter-spacing:5px;font-size:12px;margin:0 0 18px}
h1{font-size:clamp(46px,8vw,105px);line-height:.92;letter-spacing:-4px;margin:0 0 22px}
.hero p{font-size:18px;line-height:1.85;color:#d1ccc4;max-width:620px}
.hero .project-disclosure{margin-top:18px;padding:12px 15px;border-left:2px solid var(--gold2);background:rgba(0,0,0,.44);color:#e9dfcf;font-size:13px;line-height:1.7}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.btn{padding:13px 21px;border-radius:999px;border:1px solid rgba(241,207,138,.5);font-weight:800}
.btn.primary{background:linear-gradient(135deg,var(--gold2),#9a6c29);color:#080808}
.btn.secondary{background:rgba(0,0,0,.35)}
.hero-stats{
  position:absolute;right:5vw;bottom:52px;z-index:2;
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  border-radius:16px;overflow:hidden;background:var(--line);border:1px solid var(--line)
}
.hero-stats div{background:rgba(8,8,8,.8);padding:18px 22px;min-width:118px}
.hero-stats strong{display:block;color:var(--gold2);font-size:25px}
.hero-stats span{font-size:12px;color:#928c84}
section{padding:78px clamp(18px,5vw,72px)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:26px;margin-bottom:28px}
.section-head h2{margin:0;font-size:clamp(34px,5vw,58px);letter-spacing:-2px}
.section-head p{margin:0;max-width:560px;color:var(--muted);line-height:1.8}
.filters{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 26px}
.filter{
  border:1px solid var(--line);background:#0e0f10;color:#cbc6bd;
  border-radius:999px;padding:9px 14px;cursor:pointer
}
.filter.active,.filter:hover{background:var(--gold2);color:#090909}
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.card{
  appearance:none;width:100%;padding:0;color:inherit;text-align:left;font:inherit;
  background:linear-gradient(180deg,#151618,#0d0e10);
  border:1px solid var(--line);border-radius:18px;overflow:hidden;
  cursor:pointer;transition:.35s ease;
  box-shadow:0 14px 44px rgba(0,0,0,.24)
}
.card:hover{transform:translateY(-7px);border-color:rgba(241,207,138,.36)}
.card:focus-visible{outline:2px solid var(--gold2);outline-offset:4px;border-color:var(--gold2)}
.imgbox{height:270px;position:relative;overflow:hidden}
.imgbox img{width:100%;height:100%;object-fit:cover;display:block;transition:.55s ease}
.card:hover img{transform:scale(1.045)}
.badge,.num{position:absolute;top:14px;padding:8px 10px;border-radius:999px;font-size:12px}
.badge{left:14px;background:rgba(0,0,0,.58);border:1px solid var(--line)}
.num{right:14px;background:rgba(216,172,98,.93);color:#090909;font-weight:900}
.body{padding:20px}
.animal{color:var(--gold2);font-size:11px;letter-spacing:2px;margin:0 0 6px}
h3{font-size:25px;margin:0 0 11px}
.desc{color:#bbb6ae;font-size:14px;line-height:1.72;margin:0;min-height:72px}
.specs{
  display:grid;grid-template-columns:repeat(3,1fr);gap:8px;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:13px 0;margin:15px 0
}
.specs span{display:block;color:#827d76;font-size:10px;margin-bottom:4px}
.specs strong{font-size:12px}
.feature{font-size:12px;color:#ded8cf;margin:0}
.series-note{
  margin-top:20px;padding:20px;border-radius:16px;
  border:1px solid var(--line);background:#101112;
  color:#bbb6ae;line-height:1.8
}
.modal{
  position:fixed;inset:0;z-index:100;display:none;
  align-items:center;justify-content:center;padding:18px;
  background:rgba(0,0,0,.86);backdrop-filter:blur(12px)
}
.modal.show{display:flex}
.modal-card{
  width:min(1140px,100%);max-height:92vh;overflow:auto;
  display:grid;grid-template-columns:1.25fr .75fr;
  background:#101113;border:1px solid rgba(241,207,138,.34);
  border-radius:22px;position:relative
}
.modal-card img{width:100%;height:100%;min-height:470px;object-fit:cover}
.modal-info{padding:32px}
.modal-info h2{font-size:42px;margin:7px 0 13px}
.modal-info p{line-height:1.85;color:#beb8b0}
.close{
  position:absolute;right:14px;top:14px;z-index:3;
  width:42px;height:42px;border-radius:50%;
  border:1px solid var(--line);background:rgba(0,0,0,.6);
  color:#fff;font-size:22px;cursor:pointer
}
footer{
  padding:32px clamp(18px,5vw,72px);
  border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:18px;
  color:#8c867f;font-size:13px
}
.reveal{opacity:0;transform:translateY(22px)}
.reveal.show{opacity:1;transform:none;transition:.62s ease}
.loading{padding:40px;text-align:center;color:var(--muted)}
@media(max-width:1000px){
  .grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero-stats{display:none}
  .modal-card{grid-template-columns:1fr}
  .modal-card img{min-height:320px;max-height:48vh}
}
@media(max-width:650px){
  header{height:62px}
  nav{display:none}
  .hero{min-height:78vh;padding-top:100px;align-items:end}
  .section-head{align-items:start;flex-direction:column}
  .grid{grid-template-columns:1fr}
  .imgbox{height:245px}
  section{padding-top:58px;padding-bottom:58px}
  footer{flex-direction:column}
}