@font-face{font-family:BVP;src:url(/assets/fonts/BeVietnamPro-Medium.ttf);font-weight:500;font-display:swap}
@font-face{font-family:BVP;src:url(/assets/fonts/BeVietnamPro-Bold.ttf);font-weight:700;font-display:swap}
@font-face{font-family:BVP;src:url(/assets/fonts/BeVietnamPro-ExtraBold.ttf);font-weight:800;font-display:swap}
:root{--asp:#14171f;--asp2:#1d222d;--yel:#ffd21f;--grn:#2ee59d;--red:#ff4a4a;--blue:#3b8cff;--w:#f4f6fb;--mute:#97a1b8}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:BVP,system-ui,sans-serif;background:var(--asp);color:var(--w);line-height:1.55;
 background-image:linear-gradient(180deg,rgba(255,210,31,.05),transparent 30%),radial-gradient(circle at 85% 0,rgba(59,140,255,.14),transparent 40%)}
a{color:inherit}
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 22px;background:#0c0e13;border-bottom:3px dashed var(--yel)}
.top a{text-decoration:none;font-weight:800}.top .brand b{color:var(--yel)}.stat{display:flex;gap:10px;font-size:14px;align-items:center}.stat span{background:#222a3a;border-radius:8px;padding:4px 12px;font-weight:700}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
.hero{padding:46px 0 22px;display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:center}
.hero small{letter-spacing:.22em;text-transform:uppercase;color:var(--yel);font-weight:800}
.hero h1{font-size:clamp(36px,6.4vw,72px);line-height:1;margin:10px 0 14px;font-weight:800;text-transform:uppercase;letter-spacing:-.02em}.hero h1 em{font-style:normal;color:var(--yel);-webkit-text-stroke:0}
.hero p{color:var(--mute);font-size:18px;max-width:520px;margin:0 0 18px}
.lives{display:flex;gap:6px;flex-wrap:wrap}.lives i{width:20px;height:20px;border-radius:50%;background:var(--grn);box-shadow:0 0 10px var(--grn)}.lives i.x{background:#3a4152;box-shadow:none}
.road{position:relative;height:210px;border-radius:20px;background:#0c0e13;overflow:hidden;border:2px solid #2b3345}
.road::before{content:"";position:absolute;left:0;right:0;top:50%;height:6px;background:repeating-linear-gradient(90deg,var(--yel) 0 40px,transparent 40px 80px);animation:rd 1.2s linear infinite}
@keyframes rd{to{background-position:-80px 0}}
.road .car{position:absolute;top:26%;font-size:52px;animation:drive 5s ease-in-out infinite}.road .bike{position:absolute;bottom:14%;font-size:44px;animation:drive 4s ease-in-out -2s infinite}
@keyframes drive{0%{left:-12%}100%{left:105%}}
.modes{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin:22px 0}
.mode{background:var(--asp2);border:2px solid #2b3345;border-radius:16px;padding:18px;cursor:pointer;text-align:left;font:inherit;color:inherit;transition:.2s;position:relative;overflow:hidden}
.mode::after{content:"";position:absolute;left:0;right:0;bottom:0;height:5px;background:repeating-linear-gradient(90deg,var(--yel) 0 14px,transparent 14px 28px);opacity:0;transition:.2s}
.mode:hover{transform:translateY(-4px);border-color:var(--yel)}.mode.on{border-color:var(--yel);background:#232a38}.mode.on::after{opacity:1}
.mode .i{font-size:32px}.mode h3{margin:6px 0 2px;font-size:19px}.mode p{margin:0;font-size:13.5px;color:var(--mute)}
.stage{background:var(--asp2);border:2px solid #2b3345;border-radius:22px;padding:28px;margin-bottom:36px;min-height:420px}
.stage h2{margin:0 0 4px;font-size:28px;font-weight:800}.muted{color:var(--mute)}
.seg{display:inline-flex;background:#0c0e13;border-radius:999px;padding:4px;margin:8px 0 16px}.seg button{border:0;background:none;color:var(--mute);font:inherit;font-weight:700;padding:8px 20px;border-radius:999px;cursor:pointer}.seg button.on{background:var(--yel);color:#111}
.btn{display:inline-block;background:var(--yel);color:#111;border:0;border-radius:12px;padding:13px 26px;font:inherit;font-weight:800;cursor:pointer;transition:.15s;box-shadow:0 5px 0 #b48f00}.btn:hover{transform:translateY(-2px)}.btn:active{transform:translateY(3px);box-shadow:0 1px 0 #b48f00}
.btn.g{background:var(--grn);box-shadow:0 5px 0 #17996a}.btn.r{background:var(--red);color:#fff;box-shadow:0 5px 0 #b02a2a}.btn.o{background:#2b3345;color:#fff;box-shadow:0 5px 0 #151a24}
.signbox{display:grid;place-items:center;padding:20px;background:radial-gradient(circle,#2a3346,#171b25);border-radius:18px;margin:10px 0}.signbox svg{width:170px;height:170px;filter:drop-shadow(0 10px 18px rgba(0,0,0,.5))}
.q{font-size:21px;font-weight:700;margin:6px 0 14px}
.opt{display:block;width:100%;text-align:left;margin:9px 0;padding:14px 18px;border:2px solid #38425a;background:#161b26;border-radius:12px;font:inherit;color:inherit;cursor:pointer;transition:.15s}
.opt:hover{border-color:var(--yel);transform:translateX(4px)}.opt.ok{background:#0f5a3d;border-color:var(--grn)}.opt.no{background:#5c1c1c;border-color:var(--red)}
.fb{margin:14px 0;padding:14px 18px;border-left:5px solid var(--yel);background:#272f3f;border-radius:8px}
.timer{height:8px;border-radius:5px;background:#0c0e13;overflow:hidden;margin:10px 0}.timer i{display:block;height:100%;background:linear-gradient(90deg,var(--grn),var(--yel),var(--red));width:100%}
.tf{display:flex;gap:18px;align-items:center}.light{width:70px;background:#0c0e13;border-radius:14px;padding:10px;display:grid;gap:8px;border:2px solid #2b3345}.light i{width:48px;height:48px;border-radius:50%;background:#2b3345}.light i.r.on{background:var(--red);box-shadow:0 0 24px var(--red)}.light i.y.on{background:var(--yel);box-shadow:0 0 24px var(--yel)}.light i.g.on{background:var(--grn);box-shadow:0 0 24px var(--grn)}
.lane{position:relative;flex:1;height:150px;background:#0c0e13;border-radius:16px;overflow:hidden;border:2px solid #2b3345}.lane .line{position:absolute;top:0;bottom:0;right:22%;width:8px;background:#fff;opacity:.85}.lane .veh{position:absolute;top:34px;left:2%;font-size:60px;transition:left .25s linear}.lane .lbl{position:absolute;right:10%;bottom:6px;font-size:12px;color:var(--mute)}
.btnrow{display:flex;gap:12px;flex-wrap:wrap;margin-top:14px}
.note{font-size:13px;color:var(--mute);margin:24px 0 44px;text-align:center}
.over{text-align:center;padding:24px 0}.over h2{font-size:36px;color:var(--yel)}
@media(max-width:860px){.hero{grid-template-columns:1fr}.modes{grid-template-columns:1fr 1fr}.modes .mode:last-child:nth-child(odd){grid-column:1/-1}.stat{display:none}.stage{padding:18px}}
@media(max-width:520px){.modes{grid-template-columns:1fr}.tf{flex-direction:column}}
.signbox.emo{font-size:70px}.signbox img{width:170px;height:auto;max-width:100%}#msg b{color:#fff}#msg b.c-ok{color:#2ee59d}#msg b.c-bad{color:#ff4a4a}.liet{display:inline-block;background:#d7261e;color:#fff;border-radius:999px;padding:2px 12px;font-weight:700;margin:0}
/* vùng chạm ≥44px (cổng UI mobile) */
.top .brand,.stat a{min-height:44px;display:inline-flex;align-items:center}.note a{display:inline-flex;align-items:center;justify-content:center;min-height:44px;min-width:44px;padding:0 4px;vertical-align:middle;white-space:nowrap}
.top .brand{gap:6px}