/* Road Rules Rally – site styles */
:root{
  --bg:#16191e; --asphalt:#1d2026; --asphalt2:#272b33; --card:#2c313b; --surface:#21252d;
  --line:#f2c230; --white:#f5f5f0; --text:#e9ebee; --muted:#a7adb8;
  --good:#2fbf71; --bad:#e5484d; --accent:#6aa8ff; --radius:16px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh;display:flex;flex-direction:column}
main{flex:1}
a{color:var(--accent)} a:hover{color:#9cc4ff}
img,svg{max-width:100%}
.skip{position:absolute;left:-999px;top:8px;background:var(--line);color:#111;padding:8px 12px;border-radius:8px;z-index:99}
.skip:focus{left:8px}
:focus-visible{outline:3px solid var(--line);outline-offset:2px}

/* header */
.site-header{background:#0f1115;border-bottom:1px solid #2a2e36;position:sticky;top:0;z-index:20}
.site-header .inner{max-width:1080px;margin:0 auto;padding:10px 16px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;color:var(--white);text-decoration:none;font-weight:800;font-size:1.1rem;white-space:nowrap}
.brand svg{width:32px;height:32px}
.brand span{color:var(--line)}
.site-nav{flex:1;min-width:0}
.site-nav ul{list-style:none;margin:0;padding:0;display:flex;gap:4px;overflow-x:auto;scrollbar-width:none}
.site-nav ul::-webkit-scrollbar{display:none}
.site-nav a{display:block;padding:8px 12px;border-radius:10px;color:var(--muted);text-decoration:none;font-weight:600;font-size:.95rem;white-space:nowrap}
.site-nav a:hover{color:var(--white);background:#1f232b}
.site-nav a[aria-current="page"]{color:#111;background:var(--line)}

/* layout */
.wrap{max-width:760px;margin:0 auto;padding:24px 16px 48px}
.wide{max-width:1080px}
.breadcrumb{font-size:.88rem;color:var(--muted);margin-bottom:8px}
.breadcrumb ol{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:6px}
.breadcrumb li+li::before{content:"›";margin-right:6px;color:#5d6472}
.breadcrumb a{color:var(--muted)}
h1{font-size:clamp(1.8rem,5.5vw,2.6rem);line-height:1.2;margin:.2em 0 .4em;letter-spacing:.2px}
h1 em{font-style:normal;color:var(--line)}
h2{font-size:clamp(1.35rem,4vw,1.7rem);line-height:1.3;margin:2em 0 .6em}
h3{font-size:1.15rem;margin:1.6em 0 .4em}
.lede{font-size:1.12rem;color:#cdd1d8}
.updated{color:var(--muted);font-size:.88rem}
article p, article li{color:#d7dbe1}
article ul, article ol{padding-left:1.3em}
article li{margin:.3em 0}
.toc{background:var(--surface);border-radius:12px;padding:14px 18px;margin:20px 0}
.toc b{display:block;margin-bottom:4px}
.toc ol{margin:0;padding-left:1.2em}
table{width:100%;border-collapse:collapse;margin:14px 0;font-size:.97rem}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid #333944;vertical-align:top}
th{color:var(--white);background:var(--surface)}
.table-scroll{overflow-x:auto}
.swatch{display:inline-block;width:14px;height:14px;border-radius:3px;vertical-align:-2px;margin-right:8px;border:1px solid #0006}
.callout{background:rgba(242,194,48,.1);border-left:4px solid var(--line);padding:12px 16px;border-radius:10px;margin:18px 0}
.sign-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px;margin:16px 0}
.sign-card{background:var(--surface);border-radius:14px;padding:16px;margin:0}
.sign-card svg{display:block;width:96px;height:96px;margin:0 auto 10px}
.sign-card figcaption b{display:block;color:var(--white);margin-bottom:2px}
.sign-card figcaption{font-size:.93rem;color:#c9cdd4}
.cta{background:linear-gradient(135deg,#2a2f39,#232730);border:1px solid #3a404c;border-radius:var(--radius);padding:22px;margin:32px 0;text-align:center}
.cta p{margin:.2em 0 1em;color:#cdd1d8}
.btn{appearance:none;border:0;border-radius:12px;padding:14px 22px;font-size:1.05rem;font-weight:700;cursor:pointer;background:var(--line);color:#1b1b1b;text-decoration:none;display:inline-block;transition:transform .08s,filter .15s;font-family:inherit}
.btn:hover{filter:brightness(1.08);color:#1b1b1b}.btn:active{transform:scale(.97)}
.btn.secondary{background:#3a404c;color:var(--white)}
.faq details{background:var(--surface);border-radius:12px;padding:0 16px;margin:10px 0}
.faq summary{cursor:pointer;font-weight:700;padding:14px 0;color:var(--white);list-style-position:outside}
.faq details p{margin:0 0 14px}
.topics{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px;margin:16px 0}
.topic{background:var(--surface);border-radius:14px;padding:18px;text-decoration:none;color:var(--text);border:1px solid transparent;transition:border-color .15s,transform .15s}
.topic:hover{border-color:var(--line);transform:translateY(-2px);color:var(--text)}
.topic b{display:block;color:var(--white);font-size:1.08rem;margin-bottom:4px}
.topic small{color:var(--muted)}
.topic .ic{font-size:1.6rem;display:block;margin-bottom:6px}
.steps{counter-reset:s;list-style:none;padding:0}
.steps li{counter-increment:s;position:relative;padding-left:44px;margin:12px 0}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:30px;height:30px;border-radius:8px;background:var(--line);color:#111;font-weight:800;display:grid;place-items:center}

/* footer */
.site-footer{background:#0f1115;border-top:1px solid #2a2e36;color:var(--muted);font-size:.9rem}
.site-footer .inner{max-width:1080px;margin:0 auto;padding:28px 16px;display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.site-footer h2{font-size:.95rem;margin:0 0 8px;color:var(--white)}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin:4px 0}
.site-footer a{color:var(--muted);text-decoration:none}.site-footer a:hover{color:var(--white)}
.site-footer .legal{grid-column:1/-1;border-top:1px solid #2a2e36;padding-top:14px;font-size:.82rem}

/* ---------- GAME ---------- */
.hero{text-align:center;padding-top:28px}
.hero .lede{max-width:620px;margin:0 auto}
#play{max-width:752px;padding:0 16px;margin:20px auto 0;scroll-margin-top:70px}
.screen{display:none}
.screen.active{display:block;animation:fade .3s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.card{background:var(--card);border-radius:var(--radius);padding:20px;box-shadow:0 6px 24px rgba(0,0,0,.35)}
.card h2{margin:0 0 4px;font-size:1.2rem}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.modes{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px;margin:16px 0}
.mode{background:#353b47;border:2px solid transparent;border-radius:14px;padding:14px;cursor:pointer;text-align:left;color:var(--white);font:inherit}
.mode.sel{border-color:var(--line);background:#3d4452}
.mode b{display:block;font-size:1.05rem;margin-bottom:4px}
.mode small{color:var(--muted)}
label.toggle{display:flex;gap:10px;align-items:center;cursor:pointer;margin:6px 0 18px;color:var(--muted)}
label.toggle input{width:20px;height:20px;accent-color:var(--line);flex:0 0 auto}
.best{color:var(--muted);margin-top:14px;font-size:.95rem}
.hud{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:10px;flex-wrap:wrap}
.hud .pill{background:var(--asphalt2);padding:8px 12px;border-radius:999px;font-weight:700;font-size:.95rem}
.hearts{letter-spacing:2px}
.road{position:relative;height:46px;background:#3a3f48;border-radius:10px;overflow:hidden;margin-bottom:12px}
.road::before{content:"";position:absolute;left:0;right:0;top:50%;height:4px;margin-top:-2px;background:repeating-linear-gradient(90deg,var(--line) 0 22px,transparent 22px 40px)}
.car{position:absolute;top:50%;transform:translate(-50%,-50%) scaleX(-1);font-size:30px;transition:left .6s cubic-bezier(.3,1.4,.5,1);left:5%}
.flag{position:absolute;right:8px;top:50%;transform:translateY(-50%);font-size:24px}
.timer{height:8px;background:var(--asphalt2);border-radius:99px;overflow:hidden;margin-bottom:14px}
.timer i{display:block;height:100%;width:100%;background:var(--good);transition:width .25s linear,background .3s}
.cat{display:inline-block;font-size:.78rem;font-weight:800;text-transform:uppercase;letter-spacing:1px;color:var(--line);margin-bottom:6px}
.sign{display:flex;justify-content:center;margin:6px 0 14px}
.sign svg{width:150px;height:150px;filter:drop-shadow(0 4px 8px rgba(0,0,0,.4))}
.sign svg.wide{width:220px}
.q{font-size:1.2rem;font-weight:700;line-height:1.4;margin:0 0 16px;color:var(--white)}
.answers{display:grid;gap:10px}
.ans{text-align:left;background:#3a404c;color:var(--white);border:2px solid transparent;border-radius:12px;padding:13px 14px;font-size:1rem;cursor:pointer;display:flex;gap:10px;align-items:flex-start;font-family:inherit;line-height:1.45;transition:background .15s,border-color .15s}
.ans:hover:not(:disabled){background:#454c5a;border-color:#596173}
.ans .k{flex:0 0 26px;height:26px;border-radius:7px;background:#232730;display:grid;place-items:center;font-weight:800;font-size:.85rem;color:var(--muted)}
.ans.right{background:rgba(47,191,113,.2);border-color:var(--good)}
.ans.wrong{background:rgba(229,72,77,.2);border-color:var(--bad)}
.ans:disabled{cursor:default}
.feedback{margin-top:14px;padding:14px;border-radius:12px;display:none;line-height:1.5}
.feedback.show{display:block;animation:fade .25s}
.feedback.ok{background:rgba(47,191,113,.14);border-left:4px solid var(--good)}
.feedback.no{background:rgba(229,72,77,.14);border-left:4px solid var(--bad)}
.feedback b{display:block;margin-bottom:4px}
.feedback .learn{display:block;margin-top:8px;font-weight:600;font-size:.93rem}
.next{margin-top:14px;display:none}
.pop{position:fixed;left:50%;top:30%;transform:translate(-50%,-50%);font-size:1.6rem;font-weight:900;color:var(--line);pointer-events:none;opacity:0;z-index:50}
.pop.go{animation:pop .9s ease}
@keyframes pop{0%{opacity:0;transform:translate(-50%,-30%) scale(.7)}25%{opacity:1;transform:translate(-50%,-50%) scale(1.1)}100%{opacity:0;transform:translate(-50%,-90%) scale(1)}}
.shake{animation:shake .35s}
@keyframes shake{20%,60%{transform:translateX(-6px)}40%,80%{transform:translateX(6px)}}
.big{font-size:3rem;font-weight:900;color:var(--line);margin:.1em 0}
.grade{font-size:1.3rem;font-weight:800;margin-bottom:6px;color:var(--white)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:16px 0}
.stat{background:var(--asphalt2);border-radius:12px;padding:12px;text-align:center}
.stat b{display:block;font-size:1.4rem}
.stat small{color:var(--muted)}
.review h3{margin:18px 0 8px}
.miss{background:var(--asphalt2);border-radius:12px;padding:12px 14px;margin-bottom:8px;line-height:1.45}
.miss .c{color:var(--good);font-weight:700}
.note{color:var(--muted);font-size:.85rem;margin-top:14px;line-height:1.5;text-align:center}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media (max-width:720px){.site-nav{flex-basis:100%}.site-header .inner{gap:6px;padding-bottom:6px}.site-nav a{padding:6px 10px}}
/* v3 additions */
.site-header .inner{max-width:1200px}
.sign-card.hand svg{width:100%;height:auto;max-width:240px}
.filter-label{display:block;font-weight:700;margin:18px 0 6px;color:var(--white)}
.filter{width:100%;max-width:420px;padding:12px 14px;border-radius:12px;border:2px solid #3a404c;background:var(--surface);color:var(--text);font-size:1rem;font-family:inherit}
.filter:focus{border-color:var(--line);outline:none}
.state-grid{list-style:none;padding:0;margin:16px 0;display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px}
.state-grid li[hidden]{display:none}
.state-grid a{display:block;background:var(--surface);border:1px solid transparent;border-radius:12px;padding:12px 14px;text-decoration:none;color:var(--text);transition:border-color .15s}
.state-grid a:hover{border-color:var(--line)}
.state-grid b{display:block;color:var(--white)}
.state-grid small{color:var(--muted);font-size:.8rem;word-break:break-all}