:root{--brand:#e8590c;--brand-deep:#b84607;--brand-soft:#fff0e6;--ink:#1a1a1c;--muted:#66666d;--bg:#fbfaf8;--card:#fff;--line:#ebe8e3;--radius:18px}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;font-size:16.5px}
h1,h2,h3,.logo,.stat b{font-family:Manrope,-apple-system,"Segoe UI",sans-serif;letter-spacing:-.015em}
:lang(ar) h1,:lang(ar) h2,:lang(ar) h3,:lang(fa) h1,:lang(fa) h2,:lang(fa) h3,:lang(zh-Hans) h1,:lang(zh-Hans) h2,:lang(zh-Hans) h3{font-family:-apple-system,"Segoe UI",Tahoma,sans-serif;letter-spacing:0}
a{color:var(--brand-deep)}
.wrap{max-width:1080px;margin:0 auto;padding:0 22px}
header{position:sticky;top:0;background:rgba(251,250,248,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);z-index:10}
.nav{display:flex;align-items:center;justify-content:space-between;padding:13px 0;gap:14px}
.navr{display:flex;align-items:center;gap:16px}
.logo{font-weight:800;font-size:1.2em;color:var(--ink);text-decoration:none}
.logo span{color:var(--brand)}
.nav .links{display:flex;gap:22px;align-items:center}
.nav .links a{color:var(--muted);text-decoration:none;font-size:.95em;font-weight:500}
.nav a.cta{background:var(--brand);color:#fff;padding:9px 18px;border-radius:999px;font-weight:700}
.langsw{position:relative}
.langsw summary{list-style:none;cursor:pointer;color:var(--muted);font-size:.92em;font-weight:600;padding:7px 10px;border:1px solid var(--line);border-radius:999px;background:#fff;white-space:nowrap}
.langsw summary::-webkit-details-marker{display:none}
.langsw ul{position:absolute;inset-inline-end:0;top:calc(100% + 8px);background:#fff;border:1px solid var(--line);border-radius:14px;padding:6px;list-style:none;margin:0;min-width:190px;box-shadow:0 14px 34px rgba(0,0,0,.13);z-index:20}
.langsw li a{display:block;padding:7px 12px;border-radius:9px;color:var(--ink);text-decoration:none;font-size:.95em}
.langsw li a:hover,.langsw li a[aria-current]{background:var(--brand-soft)}
.langsw li a[aria-current]{font-weight:700}
.hero{display:flex;gap:44px;align-items:center;padding:60px 0 40px;flex-wrap:wrap}
.hero .txt{flex:1 1 400px}
.hero h1{font-size:clamp(2em,4.6vw,3.2em);line-height:1.1;text-wrap:balance}
.hero h1 em{color:var(--brand);font-style:normal}
.hero p.sub{margin:18px 0 26px;color:var(--muted);font-size:1.12em;max-width:33em}
.badges{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:22px}
.badge{background:var(--brand-soft);color:var(--brand-deep);font-weight:700;font-size:.84em;padding:6px 12px;border-radius:999px}
.btn{display:inline-block;background:var(--brand);color:#fff;padding:14px 28px;border-radius:14px;text-decoration:none;font-weight:700;font-size:1.05em;box-shadow:0 8px 24px rgba(232,89,12,.26)}
.btn.ghost{background:#fff;color:var(--ink);border:1.5px solid var(--line);box-shadow:none;margin-inline-start:10px}
.store-note{color:var(--muted);font-size:.9em;margin-top:12px}
.hero .shot{flex:0 1 300px;display:flex;justify-content:center}
.phone{width:290px;border-radius:40px;border:7px solid #141416;box-shadow:0 30px 70px rgba(0,0,0,.25);display:block;background:#000}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;padding:10px 0 30px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.stat b{display:block;font-size:1.6em;color:var(--brand-deep);font-variant-numeric:tabular-nums}
.stat span{color:var(--muted);font-size:.9em}
section{padding:54px 0}
h2{font-size:clamp(1.55em,3vw,2.15em);margin-bottom:8px;text-wrap:balance}
p.lead{color:var(--muted);max-width:46em;margin-bottom:32px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;text-decoration:none;color:inherit;display:block}
.card .ico{font-size:1.6em}
.card h3{margin:10px 0 6px;font-size:1.06em}
.card p{color:var(--muted);font-size:.95em}
.card img,.card video{width:100%;border-radius:12px;display:block;margin-bottom:12px;aspect-ratio:16/9;object-fit:cover;background:#111}
.band{background:#131315;color:#fff;border-radius:26px;overflow:hidden;display:flex;flex-wrap:wrap;align-items:center}
.band video,.band img{flex:1 1 460px;min-width:280px;width:100%;display:block;aspect-ratio:16/9;object-fit:cover}
.band .txt{flex:1 1 300px;padding:36px}
.band h2{color:#fff}
.band p{color:#c9c9ce}
.band .btn{margin-top:18px}
.langs{display:flex;gap:12px;flex-wrap:wrap}
.lang{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px 18px;font-weight:600;font-size:.98em}
a.lang{text-decoration:none;color:var(--ink)}
.shots{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px}
.shots img{width:100%;border-radius:22px;border:1px solid var(--line);display:block;background:#000}
.pricing{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;align-items:stretch}
.plan{background:var(--card);border:1.5px solid var(--line);border-radius:22px;padding:28px;display:flex;flex-direction:column;position:relative}
.plan.hot{border-color:var(--brand);box-shadow:0 12px 40px rgba(232,89,12,.14)}
.plan .tag{position:absolute;top:-13px;inset-inline-start:24px;background:var(--brand);color:#fff;font-size:.75em;font-weight:800;padding:4px 12px;border-radius:999px}
.plan h3{font-size:1.15em}
.plan .price{font-size:1.9em;font-weight:800;margin:8px 0 2px;font-variant-numeric:tabular-nums}
.plan .per{color:var(--muted);font-size:.9em;margin-bottom:16px}
.plan ul{list-style:none;padding:0;margin:0 0 18px;color:var(--muted);font-size:.95em}
.plan li{padding:5px 0;padding-inline-start:26px;position:relative}
.plan li::before{content:"✓";position:absolute;inset-inline-start:0;color:var(--brand);font-weight:800}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 20px;margin-bottom:10px}
.faq summary{cursor:pointer;font-weight:700}
.faq p{margin-top:10px;color:var(--muted)}
footer{border-top:1px solid var(--line);padding:40px 0;color:var(--muted);font-size:.92em;margin-top:40px}
footer a{color:var(--muted)}
.fgrid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px;margin-bottom:20px}
.small{font-size:.85em;margin-top:8px}
/* article */
.article{max-width:740px;margin:0 auto;padding:44px 22px 20px}
.article h1{font-size:clamp(1.8em,4vw,2.5em);line-height:1.15;margin-bottom:10px;text-wrap:balance}
.article .meta{color:var(--muted);font-size:.92em;margin-bottom:26px}
.article h2{font-size:1.45em;margin:36px 0 10px}
.article h3{font-size:1.12em;margin:24px 0 6px}
.article p{margin:0 0 14px}
.article ul,.article ol{margin-block:0 16px;margin-inline:22px 0}
.article li{margin-bottom:6px}
.article video,.article img.fig{width:100%;border-radius:16px;display:block;margin:18px 0;background:#111;aspect-ratio:16/9;object-fit:cover}
.article figcaption{color:var(--muted);font-size:.88em;margin:-10px 0 18px}
.key{background:var(--brand-soft);border-inline-start:4px solid var(--brand);padding:14px 18px;border-radius:10px;margin:18px 0;font-weight:600}
.warn{background:#fff8e1;border-inline-start:4px solid #f0b429;padding:12px 18px;border-radius:10px;margin:14px 0}
.cta-box{background:#131315;color:#fff;border-radius:20px;padding:28px;margin:40px 0 10px}
.cta-box h3{color:#fff;font-size:1.3em;margin-bottom:6px}
.cta-box p{color:#c9c9ce}
.crumbs{color:var(--muted);font-size:.88em;margin-bottom:14px}
.crumbs a{color:var(--muted);text-decoration:none}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:6px 0 18px}
.chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 12px;font-size:.88em;cursor:pointer}
.chip.on{background:var(--brand);color:#fff;border-color:var(--brand)}
input.search{width:100%;padding:14px 16px;border:1.5px solid var(--line);border-radius:14px;font-size:1.05em;margin:8px 0 14px;background:#fff}
.signgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px}
.sign{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px;display:flex;gap:12px;align-items:flex-start}
.sign img{width:64px;height:64px;object-fit:contain;flex:none}
.sign b{display:block;font-size:.9em;color:var(--brand-deep)}
.sign p{font-size:.85em;color:var(--muted);margin-top:2px}
.hook{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin-bottom:12px}
.hook .em{font-size:1.4em}
.hook b{display:block;margin:6px 0 4px}
.hook p{color:var(--muted);font-size:.95em}
/* quiz */
.quiz{max-width:760px;margin:0 auto}
.q{background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px;margin-bottom:22px}
.q video{width:100%;border-radius:14px;display:block;aspect-ratio:16/9;background:#111;margin-bottom:14px}
.q h3{font-size:1.1em;margin-bottom:12px}
.opt{display:block;width:100%;text-align:start;background:#fbfaf8;border:1.5px solid var(--line);border-radius:12px;padding:12px 14px;margin-bottom:8px;font:inherit;cursor:pointer}
.opt.ok{border-color:#2e9e4f;background:#eaf8ee}
.opt.bad{border-color:#d63b3b;background:#fdecec}
.expl{display:none;margin-top:10px;color:var(--muted);font-size:.95em}
.q.done .expl{display:block}
.score{font-weight:800;font-size:1.2em;margin:10px 0 30px}
.toc{columns:2;gap:24px;margin:0 0 26px}
.toc a{display:block;padding:4px 0;text-decoration:none}
@media (max-width:700px){.nav .links a:not(.cta){display:none}.fgrid{grid-template-columns:1fr}.toc{columns:1}.navr{gap:10px}.nav a.cta{padding:8px 14px}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* single traffic-sign page */
.signhero{display:flex;gap:22px;align-items:flex-start;flex-wrap:wrap;margin:6px 0 18px}
.signhero img{width:160px;height:160px;flex:0 0 auto;background:#fff;border-radius:14px;padding:10px;border:1px solid var(--line)}
.signhero h1{margin:0 0 8px}
.hookbox{background:#fff7ed;border:1px solid #fed7aa;border-radius:12px;padding:14px 16px;margin:18px 0}
.hookbox b{color:#c2410c;font-size:.85rem;letter-spacing:.04em;text-transform:uppercase}
.hookbox p{margin:6px 0 0}
.signpage .chips{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 18px}
.signpage .chip{display:inline-flex;align-items:center;gap:6px;text-decoration:none}
@media(max-width:560px){.signhero img{width:112px;height:112px}}

/* long sign articles: one row per sign */
.signlist{margin:18px 0}
.signrow{display:flex;gap:16px;align-items:flex-start;padding:14px 0;border-bottom:1px solid var(--line)}
.signrow img{width:88px;height:88px;flex:0 0 auto;background:#fff;border:1px solid var(--line);border-radius:10px;padding:6px}
.signrow h3{margin:0 0 6px;font-size:1.02rem;line-height:1.35}
.signrow h3 a{text-decoration:none}
.hook-inline{margin:0;color:var(--muted);font-size:.94rem}
.hook-inline b{color:#c2410c}
@media(max-width:560px){.signrow img{width:64px;height:64px}}

/* practice pages: question images, answer feedback, Dutch toggle, sign quiz */
.q img.qimg{width:100%;max-width:600px;height:auto;border-radius:14px;display:block;aspect-ratio:800/584;object-fit:cover;background:#111;margin:0 auto 14px}
.quizset>.score,#sqscore{position:sticky;top:62px;z-index:5;background:var(--bg);padding:8px 0;margin:4px 0 14px}
.q img.qsign{width:120px;height:120px;object-fit:contain;display:block;margin:0 auto 12px;background:#fff}
.qwarn{background:#1b1b1d;border-radius:14px;padding:14px;display:flex;justify-content:center;margin-bottom:14px}
.qwarn img{width:96px;height:96px;display:block}
.opt:disabled{cursor:default;color:inherit;opacity:1}
.opt:focus-visible,.chip:focus-visible,button.btn:focus-visible{outline:3px solid var(--brand);outline-offset:2px}
.ref{display:block;margin-top:6px;font-size:.88em;color:var(--muted)}
.expl .hk{display:block;margin-top:6px;font-style:italic}
.nlt{margin:-4px 0 12px;font-size:.92em;color:var(--muted)}
.nlt summary{cursor:pointer;font-weight:600;color:var(--brand-deep)}
.nlt p{margin:6px 0 0}
ul.rules{margin-block:0 12px;margin-inline:20px 0}
ul.rules li{margin-bottom:6px}
button.btn{border:0;cursor:pointer;font-family:inherit}
button.chip{font:inherit;font-size:.88em;color:inherit}
.qa-q{font-weight:700;margin:18px 0 4px}
.quiz h2{margin-top:34px}
.quiz h3{margin-top:18px}
.quiz .lead{margin-bottom:18px}
.quiz>p,.quiz>ul{margin:0 0 14px}
.quiz>ul{margin-inline-start:20px}
.quiz>ul li{margin-bottom:4px}
.sub-nl{color:var(--muted);font-size:.9em;margin:2px 0 12px}
.article .signhero>div{flex:1 1 300px}

/* author line, footer social icons, about page */
.byline a{color:var(--brand-deep);font-weight:600}
.byline time{white-space:nowrap}
.social{display:flex;gap:10px;margin:8px 0 14px}
.social a{display:inline-flex;width:40px;height:40px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:50%;color:var(--ink);background:#fff}
.social a:hover{color:var(--brand-deep);border-color:var(--brand)}
.social a:focus-visible,.aib a:focus-visible,.aib button:focus-visible{outline:3px solid var(--brand);outline-offset:2px}
ul.accounts{list-style:none;margin-inline:0;padding:0}

/* app banner for iOS browsers without Safari's Smart App Banner (shown via html.aib-on, set in <head>) */
.aib{display:none;align-items:center;gap:10px;min-height:68px;padding-block:10px;padding-inline:6px 14px;background:#f3f2ef;border-bottom:1px solid var(--line);font-size:.86em;line-height:1.3}
.aib-on .aib{display:flex}
.aib-x{flex:none;width:30px;height:30px;border:0;background:none;color:var(--muted);font-size:22px;line-height:1;cursor:pointer;border-radius:50%;padding:0}
.aib img{flex:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line)}
.aib-t{flex:1 1 auto;min-width:0}
.aib-t b{display:block;font-size:1.06em;color:var(--ink)}
.aib-t span{display:block;color:var(--muted)}
.aib-b{flex:none;background:var(--brand);color:#fff;text-decoration:none;font-weight:700;padding:8px 16px;border-radius:999px}
/* app sheet for ChatGPT-ad visitors on iOS (html.aps-on, set in <head>) */
.aps{display:none;position:fixed;inset:0;z-index:1000}
.aps-on .aps{display:block}
.aps-bg{position:absolute;inset:0;background:rgba(0,0,0,.45)}
.aps-card{position:absolute;inset-inline:0;bottom:0;background:#fff;border-radius:22px 22px 0 0;padding:28px 22px calc(22px + env(safe-area-inset-bottom));text-align:center;box-shadow:0 -10px 40px rgba(0,0,0,.2);animation:aps-up .28s ease-out}
@keyframes aps-up{from{transform:translateY(100%)}to{transform:none}}
.aps-card img{width:72px;height:72px;border-radius:16px;border:1px solid var(--line)}
.aps-card h2{margin:12px 0 6px;font-size:1.35em}
.aps-card p{margin:0 0 18px;color:var(--muted)}
.aps-b{display:block;background:var(--brand);color:#fff;text-decoration:none;font-weight:700;font-size:1.08em;padding:15px;border-radius:999px;max-width:420px;margin:0 auto}
.aps-l{display:block;margin:12px auto 0;background:none;border:0;color:var(--muted);font-size:.95em;cursor:pointer;padding:8px}
.aps-x{position:absolute;top:10px;inset-inline-end:12px;width:34px;height:34px;border:0;background:none;color:var(--muted);font-size:26px;cursor:pointer}
.aps a:focus-visible,.aps button:focus-visible{outline:3px solid var(--brand);outline-offset:2px}