/* Road Riddles site. System fonts, no external resources. */
:root{--bg:#070d1f;--bg2:#0f172a;--card:#111b33;--card2:#16223f;--fg:#f8fafc;--muted:#a5b4cc;--line:#ffffff1a;--accent:#fbbf24;--accent2:#f59e0b;--blue:#1e3a8a;--blue2:#2563eb;--max:1120px;--font:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Segoe UI",Roboto,Helvetica,Arial,sans-serif;--r:22.4%}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 var(--font);min-height:100vh;display:flex;flex-direction:column;overflow-x:hidden;-webkit-font-smoothing:antialiased}
body{position:relative}body::before{content:"";position:absolute;left:0;right:0;top:0;height:900px;z-index:-1;pointer-events:none;background:radial-gradient(900px 520px at 80% -80px,#2563eb40,transparent 70%),radial-gradient(800px 500px at 0% 20%,#1e3a8a55,transparent 70%),linear-gradient(#070d1f00,#070d1f)}
a{color:var(--accent)}
a:focus-visible,button:focus-visible,summary:focus-visible,.gallery:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:8px}
img{max-width:100%;height:auto}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px}
.skip{position:absolute;left:-999px;top:0;background:var(--accent);color:#111;padding:10px 14px;z-index:100;font-weight:700}
.skip:focus{left:8px;top:8px}

/* header */
header.site{position:sticky;top:0;z-index:50;background:#070d1fcc;-webkit-backdrop-filter:saturate(1.4) blur(14px);backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;height:64px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--fg);font-weight:800;font-size:19px;letter-spacing:-.01em}
.brand img{width:36px;height:36px;border-radius:22.4%;display:block;box-shadow:0 2px 10px #0009,0 0 0 1px #ffffff22}
.brand b{font-weight:800}.brand span{color:var(--accent)}
nav.main{display:flex;align-items:center;gap:6px;font-size:15px;font-weight:600}
nav.main a{color:var(--muted);text-decoration:none;padding:8px 12px;border-radius:999px;transition:color .2s,background .2s}
nav.main a:hover,nav.main a[aria-current]{color:var(--fg);background:#ffffff14}
nav.main a.cta-nav{background:var(--accent);color:#1a1300;margin-left:4px}
nav.main a.cta-nav:hover{background:#fcd34d;color:#1a1300}
main{flex:1}

/* license plate */
.plate{display:inline-block;background:linear-gradient(#fff,#e8eefc);color:var(--blue);border:5px solid var(--blue);border-radius:16px;padding:8px 22px 10px;text-align:center;box-shadow:0 0 0 3px #f8fafc,0 18px 40px #0009,inset 0 0 0 2px #fff;font-family:"Arial Black","Helvetica Neue",Impact,Arial,sans-serif;font-weight:900;line-height:1;position:relative}
.plate::before,.plate::after{content:"";position:absolute;top:50%;width:9px;height:9px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#fff,#94a3b8);box-shadow:inset 0 0 0 1px #64748b;transform:translateY(-50%)}
.plate::before{left:7px}.plate::after{right:7px}
.plate small{display:block;font:800 10px/1.4 var(--font);letter-spacing:.32em;text-transform:uppercase;margin-bottom:4px;color:#b91c1c}
.plate b{display:block;font-size:clamp(34px,10vw,60px);letter-spacing:.08em;white-space:nowrap}
.plate.sm{padding:4px 12px 5px;border-width:3px;border-radius:9px;box-shadow:0 4px 10px #0006}
.plate.sm::before,.plate.sm::after{display:none}
.plate.sm b{font-size:15px;letter-spacing:.08em}

/* buttons */
.appstore{display:inline-flex;align-items:center;justify-content:center;min-width:200px;height:60px;padding:0 30px;background:#000;color:#fff;text-decoration:none;border-radius:14px;border:1.5px solid #a6a6a6;box-shadow:0 8px 24px #0008,0 0 0 1px #000;font-weight:600;font-size:21px;letter-spacing:.005em;transition:transform .2s,box-shadow .2s,border-color .2s}
.appstore:hover{transform:translateY(-2px);border-color:#fff;box-shadow:0 14px 32px #000a,0 0 24px #fbbf2433}
.appstore span{display:flex;flex-direction:column;line-height:1.05;text-align:center}
.appstore small{font-size:11.5px;font-weight:500;letter-spacing:.02em}
.appstore strong{font-size:27px;font-weight:600;letter-spacing:-.01em}
.btn{display:inline-flex;align-items:center;justify-content:center;height:50px;padding:0 24px;border-radius:999px;background:var(--accent);color:#1a1300;font-weight:800;text-decoration:none;transition:transform .2s,background .2s}
.btn:hover{background:#fcd34d;transform:translateY(-2px)}
.btn.ghost{background:#ffffff12;color:var(--fg);box-shadow:inset 0 0 0 1px var(--line)}
.btn.ghost:hover{background:#ffffff22}

/* hero */
.hero{position:relative;padding:56px 0 40px;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.hero-copy{text-align:left}
.app-icon{position:relative;width:148px;height:148px;margin:0 0 26px}
.app-icon::before{content:"";position:absolute;inset:-26px;border-radius:50%;background:radial-gradient(closest-side,#fbbf2455,#2563eb33 60%,transparent);filter:blur(8px);animation:glow 5s ease-in-out infinite}
.app-icon img{position:relative;width:100%;height:100%;border-radius:22.4%;display:block;box-shadow:0 22px 44px #000a,0 6px 14px #0008,0 0 0 1px #ffffff2a;animation:float 6s ease-in-out infinite}
.eyebrow{display:inline-block;font-size:13px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin:0 0 10px}
.hero h1{margin:0 0 16px;font-size:clamp(40px,6.2vw,72px);line-height:1.02;letter-spacing:-.035em;font-weight:900}
.hero h1 span{background:linear-gradient(90deg,#fde68a,#fbbf24 60%,#f59e0b);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:clamp(17px,2vw,21px);color:#cbd5e1;max-width:34em;margin:0 0 28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;align-items:center}
.note{color:var(--muted);font-size:14px;margin:0}
.hero-plate{margin-top:34px;display:flex;align-items:center;gap:14px;color:var(--muted);font-size:14px}
.hero-plate .plate{animation:tilt 7s ease-in-out infinite;transform-origin:50% 100%}
.hero-plate .plate b{font-size:30px}.hero-plate .plate{padding:6px 20px 8px}.hero-plate .plate small{font-size:8px}

/* phones */
.phone{position:relative;width:100%;max-width:300px;aspect-ratio:640/1391;border-radius:15% / 7%;padding:2.6%;background:linear-gradient(145deg,#3b475f,#0b1020 40%,#1f2a44);box-shadow:0 0 0 1.5px #64748b66,0 40px 80px #000b,0 10px 24px #0008,inset 0 0 0 2px #00000099}
.phone::before{content:"";position:absolute;left:50%;top:2.4%;width:28%;height:2.6%;transform:translateX(-50%);background:#000;border-radius:99px;z-index:2;box-shadow:inset 0 0 0 1px #ffffff12}
.phone::after{content:"";position:absolute;right:-3px;top:20%;width:3px;height:9%;background:#475569;border-radius:0 3px 3px 0}
.phone img{display:block;width:100%;height:100%;object-fit:cover;border-radius:12.4% / 5.7%;background:#000}
.hero-phones{position:relative;display:flex;justify-content:center;align-items:center;min-height:560px}
.hero-phones .phone{position:absolute;width:min(270px,52%)}
.hero-phones .p1{transform:translateX(-52%) rotate(-7deg) translateY(30px);z-index:1;animation:float2 7s ease-in-out infinite}
.hero-phones .p2{transform:translateX(34%) rotate(5deg) translateY(-6px);z-index:2;animation:float 6.5s ease-in-out infinite}
.hero-phones .p1{left:50%}.hero-phones .p2{left:50%}

/* sections */
section{padding:72px 0}
.sec-head{text-align:center;max-width:680px;margin:0 auto 44px}
.sec-head h2{margin:0 0 12px;font-size:clamp(30px,4.6vw,48px);line-height:1.08;letter-spacing:-.03em;font-weight:900}
.sec-head h2 span{color:var(--accent)}
.sec-head p{margin:0;color:var(--muted);font-size:18px}
.band{background:linear-gradient(#0d1632aa,#0a1228aa);border-block:1px solid var(--line)}

/* gallery */
.gallery{display:flex;gap:28px;list-style:none;margin:0;padding:10px 22px 36px;overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;scrollbar-color:#475569 transparent}
.gallery li{flex:0 0 auto;width:min(250px,64vw);scroll-snap-align:center;text-align:center}
.gallery figure{margin:0}
.gallery .phone{max-width:none}
.gallery figcaption{margin-top:18px;color:#cbd5e1;font-size:15px;font-weight:600;line-height:1.35;padding:0 6px}
.gallery-wrap{max-width:1500px;margin:0 auto}
.gallery{width:max-content;max-width:100%;margin-inline:auto}

/* features */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;list-style:none;margin:0;padding:0}
.features li{position:relative;background:linear-gradient(160deg,var(--card2),var(--card));border:1px solid var(--line);border-radius:22px;padding:26px 24px 28px;transition:transform .25s,border-color .25s,box-shadow .25s}
.features li:hover{transform:translateY(-4px);border-color:#fbbf2466;box-shadow:0 18px 40px #0007}
.ficon{width:52px;height:52px;border-radius:15px;display:grid;place-items:center;background:linear-gradient(145deg,#fbbf24,#f59e0b);color:#1e293b;margin-bottom:18px;box-shadow:0 6px 16px #f59e0b44}
.ficon svg{width:28px;height:28px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.features h3{margin:0 0 8px;font-size:20px;letter-spacing:-.01em}
.features p{margin:0;color:#b8c4da;font-size:15.5px}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;list-style:none;margin:0;padding:0;counter-reset:s}
.steps li{position:relative;padding:30px 26px;border-radius:22px;background:#ffffff08;border:1px solid var(--line);counter-increment:s}
.steps li::before{content:counter(s);display:grid;place-items:center;width:46px;height:46px;border-radius:50%;background:var(--blue2);color:#fff;font-weight:900;font-size:21px;margin-bottom:18px;box-shadow:0 0 0 6px #2563eb33}
.steps h3{margin:0 0 8px;font-size:21px}
.steps p{margin:0;color:#b8c4da}
.steps li+li::after{content:"";position:absolute;left:-24px;top:52px;width:24px;border-top:2px dashed #fbbf2488}

/* packs */
.packs{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;list-style:none;margin:0;padding:0}
.packs li{display:flex;align-items:center;justify-content:center;text-align:center;min-height:92px;padding:14px 12px;border-radius:14px;background:linear-gradient(#fff,#e2e8f8);color:var(--blue);border:4px solid var(--blue);box-shadow:0 0 0 2px #f8fafc,0 10px 22px #0007;font-family:"Arial Black","Helvetica Neue",Arial,sans-serif;font-weight:900;font-size:15px;line-height:1.2;text-transform:uppercase;letter-spacing:.03em;transition:transform .25s}
.packs li:hover{transform:translateY(-4px) rotate(-1deg)}
.packs-note{text-align:center;color:var(--muted);margin:26px auto 0;max-width:36em;font-size:15px}

/* cta */
.cta{position:relative;margin:30px 0 80px;padding:64px 24px;border-radius:32px;text-align:center;overflow:hidden;background:radial-gradient(600px 300px at 50% 0,#2563eb66,transparent),linear-gradient(160deg,#1e3a8a,#0f1d4d);border:1px solid #ffffff22;box-shadow:0 30px 70px #0008}
.cta .app-icon{width:104px;height:104px;margin:0 auto 22px}
.cta h2{margin:0 0 10px;font-size:clamp(30px,4.6vw,46px);letter-spacing:-.03em;line-height:1.1;font-weight:900}
.cta h2 span{color:var(--accent)}
.cta p{color:#cbd5e1;margin:0 0 28px;font-size:18px}
.cta p a{color:var(--accent)}

/* inner pages */
.page{max-width:820px;padding-top:44px;padding-bottom:70px}
.page h1{font-size:clamp(32px,5vw,46px);letter-spacing:-.03em;line-height:1.1;margin:0 0 18px;font-weight:900}
.page h2{font-size:24px;margin:40px 0 12px;letter-spacing:-.015em;padding-top:24px;border-top:1px solid var(--line)}
.page h2:first-of-type{border-top:0}
.page h3{margin:26px 0 8px;font-size:18px}
.page p,.page li{color:#d3dcec}
.page ul,.page ol{padding-left:22px}.page li{margin:6px 0}
.page .meta{background:linear-gradient(160deg,var(--card2),var(--card));border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:14px;padding:18px 20px;color:#d3dcec}
.page code{background:#ffffff14;padding:2px 6px;border-radius:6px;font-size:.92em}
.page table{border-collapse:collapse;width:100%;display:block;overflow-x:auto}
.page th,.page td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.page-hero{display:flex;align-items:center;gap:16px;margin-bottom:22px}
.page-hero .app-icon{width:64px;height:64px;margin:0}
.page-hero .app-icon::before{inset:-10px}
.page-hero .app-icon img{animation:none}
details{background:linear-gradient(160deg,var(--card2),var(--card));border:1px solid var(--line);border-radius:16px;margin:12px 0;overflow:hidden}
summary{cursor:pointer;list-style:none;padding:18px 54px 18px 20px;font-weight:700;font-size:17px;position:relative}
summary::-webkit-details-marker{display:none}
summary::after{content:"";position:absolute;right:22px;top:50%;width:9px;height:9px;border-right:2.5px solid var(--accent);border-bottom:2.5px solid var(--accent);transform:translateY(-70%) rotate(45deg);transition:transform .25s}
details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
details[open]{border-color:#fbbf2455}
details>div{padding:0 20px 8px}
.nf{text-align:center;padding-top:90px;padding-bottom:110px}
.nf h1{margin:34px 0 12px}
.nf .lead{margin:0 auto 30px}.nf p:last-child{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.nf .plate b{font-size:clamp(46px,14vw,88px)}

/* footer */
footer.site{border-top:1px solid var(--line);background:#050a18;padding:36px 0 44px;color:var(--muted);font-size:14px}
footer.site .wrap{display:flex;flex-direction:column;gap:18px}
.foot-top{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px}
footer.site .brand{font-size:17px}
footer.site nav{display:flex;flex-wrap:wrap;gap:6px 22px}
footer.site nav a{color:#cbd5e1;text-decoration:none;font-weight:600;padding:6px 0}
footer.site nav a:hover{color:var(--accent);text-decoration:underline}
footer.site small{display:block;max-width:60em;line-height:1.6;font-size:13px}
.copy{color:#cbd5e1}

/* animation */
@keyframes float{0%,100%{translate:0 0}50%{translate:0 -10px}}
@keyframes float2{0%,100%{translate:0 0}50%{translate:0 8px}}
@keyframes glow{0%,100%{opacity:.7;transform:scale(1)}50%{opacity:1;transform:scale(1.08)}}
@keyframes tilt{0%,100%{rotate:-2deg}50%{rotate:2deg}}
@keyframes rise{from{opacity:0;translate:0 18px}to{opacity:1;translate:0 0}}
.hero-copy>*{animation:rise .7s both}
.hero-copy>*:nth-child(2){animation-delay:.08s}.hero-copy>*:nth-child(3){animation-delay:.16s}.hero-copy>*:nth-child(4){animation-delay:.24s}.hero-copy>*:nth-child(5){animation-delay:.32s}.hero-copy>*:nth-child(6){animation-delay:.4s}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* responsive */
@media(max-width:1000px){
.hero .wrap{grid-template-columns:1fr;gap:20px}
.hero-copy{text-align:center}
.app-icon{margin-inline:auto}
.lead{margin-inline:auto}
.hero-actions,.hero-plate{justify-content:center}
.hero-actions{flex-direction:column;gap:12px}
.features{grid-template-columns:repeat(2,1fr)}
.packs{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:720px){
.steps{grid-template-columns:1fr}
.steps li+li::after{display:none}
section{padding:52px 0}
}
@media(max-width:620px){
.features{grid-template-columns:1fr}
.packs{grid-template-columns:repeat(2,1fr);gap:12px}
.packs li{min-height:80px;font-size:13.5px}
.hero{padding-top:32px}
.hero-phones{min-height:430px}
.hero-phones .phone{width:46%}
nav.main a{padding:8px 9px}
nav.main a.hide-s{display:none}
.brand{font-size:17px}
.cta{padding:48px 18px;border-radius:26px}
.hero-plate{flex-direction:column;gap:8px}
}