/* ACWheel — เว็บขาย
   โทน: ยางมะตอยตอนค่ำ + เส้นชอล์กสนาม + ส้มดุมพวงมาลัย / แดงเฉพาะขีดกลางพวงมาลัย */
:root{
  --asphalt:#1A1D22;
  --pit:#22262C;
  --line:#30353D;
  --chalk:#EFEAE1;
  --gravel:#A0A6AF;
  --amber:#F5A524;
  --amber-ink:#1A1300;
  --apex:#E4473C;
  --green:#3DDC84;
  --head:"Chakra Petch", "IBM Plex Sans Thai", sans-serif;
  --body:"IBM Plex Sans Thai", "Leelawadee UI", Tahoma, sans-serif;
  --wrap:1120px;
  --r:14px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--asphalt);color:var(--chalk);font:400 17px/1.7 var(--body);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px;border-radius:6px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:var(--head);font-weight:600;line-height:1.15;margin:0;letter-spacing:-.01em}
p{margin:0}
.muted{color:var(--gravel)}

/* ---------- buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 26px;border-radius:12px;
  font:600 17px/1 var(--head);text-decoration:none;cursor:pointer;border:1px solid transparent;transition:background-color .18s,border-color .18s,color .18s}
.btn-buy{background:var(--amber);color:var(--amber-ink)}
.btn-buy:hover{background:#FFB83F}
.btn-ghost{border-color:var(--line);color:var(--chalk);background:transparent}
.btn-ghost:hover{border-color:var(--gravel)}
.btn small{font:500 14px var(--body);opacity:.75}
.btn[disabled]{opacity:.55;cursor:default}

/* ---------- nav */
.nav{position:sticky;top:0;z-index:30;background:rgba(26,29,34,.86);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:border-color .2s}
.nav.scrolled{border-bottom-color:var(--line)}
.nav .wrap{display:flex;align-items:center;gap:18px;height:68px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font:700 20px var(--head);letter-spacing:.01em}
.brand img{width:34px;height:34px}
.nav .sp{flex:1}
.nav-link{color:var(--gravel);text-decoration:none;font-size:15px;padding:8px 4px}
.nav-link:hover{color:var(--chalk)}
.nav .btn{min-height:42px;padding:0 18px;font-size:15px}

/* ---------- hero */
.hero{position:relative;padding:56px 0 40px;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:center}
.hero h1{font-size:clamp(2.7rem,6.2vw,5.4rem);font-weight:700;line-height:1.02;letter-spacing:-.02em}
.hero h1 .l2{display:block}
.hero .lede{margin-top:22px;font-size:clamp(1.05rem,1.6vw,1.22rem);max-width:30em;color:#D9D4CB}
.hero .cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero .facts{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:22px;color:var(--gravel);font-size:15px;list-style:none;padding:0}
.hero .facts li{display:flex;align-items:center;gap:8px}
.hero .facts svg{width:18px;height:18px;color:var(--amber);flex:none}

/* the one bold thing: a wheel you can steer */
.drive{position:relative;aspect-ratio:1/1.08;max-width:520px;width:100%;justify-self:center;touch-action:pan-y}
.road{position:absolute;inset:auto -30% -6% -30%;height:46%;transform-origin:50% 100%;transform:perspective(600px) rotateX(48deg);pointer-events:none;opacity:.6;-webkit-mask-image:linear-gradient(to top,transparent 0,#000 45%,#000 70%,transparent 100%);mask-image:linear-gradient(to top,transparent 0,#000 45%,#000 70%,transparent 100%)}
.road svg{width:100%;height:100%}
.road .dash{stroke-dasharray:26 34;animation:dash 0.9s linear infinite}
@keyframes dash{to{stroke-dashoffset:-60}}
.wheel{position:absolute;inset:0 6% 14%;will-change:transform}
.wheel svg{width:100%;height:100%;filter:drop-shadow(0 30px 40px rgba(0,0,0,.45))}
.steer-read{position:absolute;left:0;right:0;bottom:-2px;text-align:center;font:500 14px var(--body);color:var(--gravel)}
.steer-read b{font:600 15px var(--head);color:var(--chalk);margin-right:6px}
.tilt-btn{display:block;margin:6px auto 0;padding:6px 10px;background:none;border:0;color:var(--amber);font:600 15px var(--body);text-decoration:underline;text-underline-offset:3px;cursor:pointer;min-height:44px}
.steer-read{pointer-events:none}.steer-read .tilt-btn{pointer-events:auto}
@media (prefers-reduced-motion:reduce){.road .dash{animation:none}}

/* ---------- sections */
section{padding:88px 0}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-head h2{font-size:clamp(1.9rem,3.6vw,2.8rem)}
.sec-head p{margin-top:14px;color:var(--gravel);font-size:1.08rem}

/* play scene */
.scene{padding-top:24px}
.scene figure{margin:0;border-radius:22px;overflow:hidden;border:1px solid var(--line);background:#14171B}
.scene figure img{width:100%;aspect-ratio:1600/720;object-fit:cover}
.scene .cap{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-top:28px;align-items:start}
.scene .cap h2{font-size:clamp(1.7rem,3.2vw,2.5rem)}
.scene .cap p{color:#D9D4CB;font-size:1.08rem}

/* features: a list, not a card grid */
.feats{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line)}
.feat{display:grid;grid-template-columns:44px 1fr;gap:18px;padding:30px 28px 30px 0;border-bottom:1px solid var(--line)}
.feat:nth-child(odd){border-right:1px solid var(--line)}
.feat:nth-child(even){padding-left:28px}
.feat .ico{width:44px;height:44px;border-radius:12px;background:var(--pit);display:grid;place-items:center;color:var(--amber)}
.feat .ico svg{width:24px;height:24px}
.feat h3{font-size:1.28rem;margin-bottom:6px}
.feat p{color:var(--gravel)}

/* steps (a real sequence) */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;counter-reset:s;list-style:none;padding:0;margin:0}
.steps li{position:relative;padding-top:64px}
.steps li::before{counter-increment:s;content:counter(s);position:absolute;top:0;left:0;width:46px;height:46px;border-radius:50%;
  border:2px solid var(--amber);color:var(--amber);display:grid;place-items:center;font:700 20px var(--head)}
.steps li:not(:last-child)::after{content:"";position:absolute;top:23px;left:58px;right:-16px;height:2px;background:repeating-linear-gradient(90deg,var(--line) 0 10px,transparent 10px 18px)}
.steps h3{font-size:1.3rem;margin-bottom:8px}
.steps p{color:var(--gravel)}

/* screens */
.screens{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:center}
.shot{margin:0}
.shot .frame{border-radius:16px;overflow:hidden;border:1px solid var(--line);background:#101215;box-shadow:0 40px 80px -30px rgba(0,0,0,.6)}
.shot .bar{display:flex;gap:7px;padding:11px 14px;border-bottom:1px solid var(--line);background:#16191D}
.shot .bar i{width:10px;height:10px;border-radius:50%;background:#3A3F47}
.shot figcaption{margin-top:14px;color:var(--gravel);font-size:15px}
.shot figcaption b{color:var(--chalk);font-weight:600}
.phone{border-radius:28px;padding:10px;background:#0E1013;border:1px solid var(--line);box-shadow:0 40px 80px -30px rgba(0,0,0,.6)}
.phone svg{width:100%;height:auto;border-radius:18px;display:block}

/* games */
.modes{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.mode{border:1px solid var(--line);border-radius:var(--r);padding:28px}
.mode h3{font-size:1.4rem;display:flex;align-items:center;gap:12px}
.mode h3 svg{width:28px;height:28px;color:var(--amber)}
.mode > p{color:var(--gravel);margin:10px 0 18px}
.games{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0}
.games li{padding:6px 12px;border-radius:999px;background:var(--pit);font-size:15px}
.modes-note{margin-top:18px;color:var(--gravel);font-size:15px}

/* value + price */
.price{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;border:1px solid var(--line);border-radius:24px;padding:48px;background:linear-gradient(180deg,#20242A,#1C1F24)}
.price h2{font-size:clamp(1.9rem,3.4vw,2.6rem)}
.price .compare{margin-top:16px;color:#D9D4CB;font-size:1.08rem;max-width:28em}
.amount{display:flex;align-items:baseline;gap:10px;font-family:var(--head)}
.amount b{font-size:clamp(4rem,9vw,6.5rem);font-weight:700;line-height:1;letter-spacing:-.03em}
.amount span{font-size:1.5rem;color:var(--gravel)}
.incl{list-style:none;padding:0;margin:18px 0 26px;display:grid;gap:10px}
.incl li{display:flex;gap:10px;align-items:flex-start}
.incl svg{width:20px;height:20px;color:var(--green);flex:none;margin-top:4px}
.price .btn-buy{width:100%;min-height:58px;font-size:19px}
.price .pay{margin-top:12px;text-align:center;color:var(--gravel);font-size:14px}

/* faq */
.faq{max-width:780px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:22px 40px 22px 0;font:600 1.12rem var(--head);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:6px;top:50%;width:12px;height:12px;border-right:2px solid var(--gravel);border-bottom:2px solid var(--gravel);transform:translateY(-70%) rotate(45deg);transition:transform .2s}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq details p{padding:0 0 22px;color:#D9D4CB}

/* footer */
footer{border-top:1px solid var(--line);padding:40px 0 56px;color:var(--gravel);font-size:15px}
footer .wrap{display:flex;flex-wrap:wrap;gap:16px 28px;align-items:center}
footer .sp{flex:1}
footer a{text-decoration:none}
footer a:hover{color:var(--chalk)}
.discord{display:inline-flex;align-items:center;gap:8px}
.discord svg{width:20px;height:20px}

/* ---------- buy / order pages */
.page{padding:48px 0 80px}
.page .wrap{max-width:760px}
.page h1{font-size:clamp(2rem,4.5vw,3rem)}
.page .sub{margin-top:10px;color:var(--gravel)}
.panel{margin-top:28px;border:1px solid var(--line);border-radius:18px;padding:28px;background:var(--pit)}
.step-h{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.step-h i{font:700 15px var(--head);font-style:normal;width:30px;height:30px;border-radius:50%;border:2px solid var(--amber);color:var(--amber);display:grid;place-items:center;flex:none}
.step-h h2{font-size:1.3rem}
label.lbl{display:block;font-weight:500;margin-bottom:8px}
.input{width:100%;min-height:52px;border-radius:12px;border:1px solid var(--line);background:var(--asphalt);color:var(--chalk);font:500 17px var(--body);padding:0 16px}
.input:focus{outline:none;border-color:var(--amber)}
.hint{color:var(--gravel);font-size:14px;margin-top:8px}
.err{color:#FF8A80;font-size:15px;margin-top:10px;min-height:1.2em}
.qr-wrap{display:grid;grid-template-columns:auto 1fr;gap:24px;align-items:center}
.qr{background:#fff;padding:14px;border-radius:14px;width:236px}
.qr canvas,.qr img{width:208px!important;height:208px!important;display:block}
.qr .pp{display:block;text-align:center;font:700 13px var(--body);color:#0E3A6B;margin-top:8px;letter-spacing:.02em}
.pay-amt{font:700 2.6rem var(--head);line-height:1}
.pay-amt small{font-size:1.1rem;color:var(--gravel);font-weight:500;margin-left:6px}
.drop{display:grid;place-items:center;text-align:center;gap:6px;border:2px dashed var(--line);border-radius:14px;padding:26px;cursor:pointer;transition:border-color .18s}
.drop:hover,.drop.over{border-color:var(--amber)}
.drop input{display:none}
.drop img{max-height:220px;border-radius:10px;margin-bottom:6px}
.submit{margin-top:24px;width:100%;min-height:58px;font-size:19px}
.status{display:flex;gap:16px;align-items:flex-start}
.status .dot{width:14px;height:14px;border-radius:50%;margin-top:9px;flex:none;background:var(--amber);animation:pulse 1.6s infinite}
.status.ok .dot{background:var(--green);animation:none}
.status.bad .dot{background:var(--apex);animation:none}
@keyframes pulse{50%{opacity:.35}}
@media (prefers-reduced-motion:reduce){.status .dot{animation:none}}
.keybox{margin-top:18px;display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.keybox code{max-width:100%;overflow-x:auto;white-space:nowrap;font:700 clamp(1.05rem,5vw,2rem)/1 var(--head);letter-spacing:.06em;background:var(--asphalt);border:1px solid var(--line);border-radius:12px;padding:16px 18px;user-select:all}
.next{margin:22px 0 0;padding-left:20px;color:#D9D4CB}
.next li{margin:6px 0}

/* ---------- responsive */
@media (max-width:900px){
  .hero .wrap{grid-template-columns:1fr}
  .drive{max-width:380px;order:-1;margin-bottom:6px}
  .scene .cap,.screens,.modes,.price{grid-template-columns:1fr}
  .price{padding:30px 22px}
  .feats{grid-template-columns:1fr}
  .feat:nth-child(odd){border-right:0}
  .feat:nth-child(even){padding-left:0}
  .steps{grid-template-columns:1fr;gap:36px}
  .steps li:not(:last-child)::after{display:none}
  section{padding:64px 0}
  .nav-link{display:none}
  .qr-wrap{grid-template-columns:1fr;justify-items:center;text-align:center}
}
@media (max-width:420px){
  .wrap{padding:0 16px}
  .hero .cta .btn{width:100%}
  .panel{padding:20px 16px}
}