/* Layout: one white page; a sticky "xe của bạn" picker re-skins every screenshot and list below it. Single light theme on purpose: soft brown ground so the white app screens stand out. */
:root{
  color-scheme:light;
  --paper:#EEE5D9; --card:#FFFFFF; --soft:#F7F2EB; --ink:#2B2119; --muted:#5C4C3E; --line:#DDCDBA;
  --accent:#9A5B24; --accent-soft:#F6ECDF;
  --amber:#F2A93B; --dash:#EEE5D9; --dash-2:#F7F2EB; --dash-fg:#2B2119; --dash-muted:#5C4C3E;
  --ok:#2E7D4F;
  --f-body:"Be Vietnam Pro",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --f-num:"Chivo Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --r:20px;
}

html{scroll-behavior:smooth;scroll-padding-top:64px}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--f-body);font-size:18px;line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3{line-height:1.12;text-wrap:balance;margin:0;letter-spacing:-.02em}
p{margin:0}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:8px}
.wrap{max-width:1120px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}

/* sticky bar with the vehicle picker */
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--dash)}
.bar{position:sticky;top:env(safe-area-inset-top,0px);z-index:9;background:rgb(238 229 217 / .94);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.bar .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-block:10px}
.brand{display:flex;align-items:center;gap:10px;color:var(--dash-fg);font-weight:800;font-size:17px;white-space:nowrap}
.brand .mark{width:32px;height:32px;border-radius:9px;background:var(--amber);color:#1A1205;display:grid;place-items:center;font:700 13px var(--f-num)}
.brand small{font-weight:500;color:var(--dash-muted);font-size:15px}
.pick{display:flex;align-items:center;gap:8px;color:var(--dash-muted);font-size:14px;font-weight:600}
.pick select{appearance:none;-webkit-appearance:none;font:700 16px var(--f-body);color:#1A1205;background:var(--amber) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%231A1205' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat right 12px center;border:0;border-radius:999px;padding:8px 34px 8px 14px;cursor:pointer;max-width:58vw}

/* hero */
.dash{background:linear-gradient(180deg,#F3ECE2 0%,#EAE0D2 100%);color:var(--ink);border-bottom:1px solid var(--line)}
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;padding-block:44px 0}
.hero h1{font-size:clamp(40px,6vw,72px);font-weight:800}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero .lead{margin-top:16px;font-size:20px;color:var(--muted)}
.powers{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:28px;max-width:520px}
.powers a{display:flex;align-items:center;gap:10px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:13px 14px;color:var(--ink);text-decoration:none;font-weight:700;font-size:16.5px;box-shadow:0 1px 2px rgb(60 40 20 / .06)}
.powers a:hover{border-color:var(--accent)}
.powers svg{width:22px;height:22px;fill:var(--accent);flex:none}
.hero-phone{align-self:end;justify-self:center;width:min(330px,80vw);margin-bottom:-120px}
.typeline{margin-top:22px;font-size:16px;color:var(--muted)}
.typeline b{color:#9A5A08;background:#FDEFD9;border-radius:6px;padding:1px 7px}

/* phone frame around real screenshots */
.phone{border-radius:40px;background:#1E1712;padding:9px;box-shadow:0 26px 60px rgb(70 45 20 / .22)}
.phone img{display:block;width:100%;aspect-ratio:390/844;object-fit:cover;object-position:top;border-radius:32px;background:#F3F5F9}
.phone.crop img{aspect-ratio:390/640}

/* sections */
section.s{padding-block:88px}
section.s.first{padding-top:180px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.eyebrow b{font:700 12px var(--f-num);background:var(--accent);color:#FFFFFF;border-radius:6px;padding:2px 7px;letter-spacing:0}
.split{display:grid;grid-template-columns:330px 1fr;gap:56px;align-items:center}
.split.rev{grid-template-columns:1fr 330px}
.split.rev .media{order:2}
.txt{display:flex;flex-direction:column;gap:14px;min-width:0}
.txt h2{font-size:clamp(30px,4vw,46px);font-weight:800}
.txt .sub{color:var(--muted);font-size:19px;max-width:30em}
.ticks{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.ticks span{display:inline-flex;align-items:center;gap:6px;background:var(--card);border:1px solid var(--line);border-radius:999px;padding:7px 13px;font-size:15.5px;font-weight:600}
.ticks span::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--ok)}

/* spec groups as dropdowns */
.groups{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:6px;align-items:start}
.groups details{background:var(--card);border:1px solid var(--line);border-radius:14px;border-top:3px solid var(--c)}
.groups summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:10px;padding:12px 13px;font-weight:700;font-size:16px}
.groups summary::-webkit-details-marker{display:none}
.groups summary i{width:10px;height:10px;border-radius:3px;background:var(--c);flex:none}
.groups summary span{flex:1;min-width:0}
.groups summary small{font:600 12.5px var(--f-num);color:var(--muted)}
.groups summary::after{content:"";width:8px;height:8px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(45deg);margin:-4px 2px 0 4px;transition:transform .2s}
.groups details[open] summary::after{transform:rotate(-135deg);margin-top:4px}
.groups ul{margin:0;padding:0 14px 12px 34px;color:var(--muted);font-size:15.5px;display:grid;gap:2px}
.groups .only{grid-column:1/-1;font-size:16px;color:var(--muted)}
.groups .only b{color:var(--ink)}

/* sync diagram */
.sync{background:#FFFFFF;display:grid;grid-template-columns:1fr auto 1fr;gap:10px 34px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;margin-top:6px}
.dev{display:flex;flex-direction:column;gap:8px;min-width:0}
.dev div{display:flex;align-items:center;gap:10px;background:var(--soft);border-radius:12px;padding:11px 12px;font-weight:700;font-size:16px}
.dev svg{width:22px;height:22px;fill:var(--accent);flex:none}
.drive{width:92px;height:92px;border-radius:24px;background:var(--soft);border:1px solid var(--line);display:grid;place-items:center;position:relative}
.drive svg{width:52px;height:52px}
.drive::before,.drive::after{content:"⇄";position:absolute;top:50%;transform:translateY(-50%);color:var(--accent);font-size:22px;font-weight:800}
.drive::before{left:-28px}.drive::after{right:-28px}
.sync .cap{grid-column:1/-1;text-align:center;font:600 13.5px var(--f-num);color:var(--muted);overflow-wrap:anywhere}

/* two phones side by side */
.duo{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:40px}
.duo figure{margin:0;display:flex;flex-direction:column;gap:18px;min-width:0}
.duo figcaption{display:flex;flex-direction:column;gap:6px}
.duo h3{font-size:28px;font-weight:800}
.duo p{color:var(--muted);font-size:18px}
.duo .phone{max-width:320px;width:100%}

.cta{background:var(--card);color:var(--ink);border:1px solid var(--line);border-radius:28px;padding:44px;display:grid;grid-template-columns:1.2fr 1fr;gap:28px;align-items:center}
.cta h2{font-size:clamp(28px,3.6vw,42px);font-weight:800}
.cta p{color:var(--muted);margin-top:10px;font-size:18px}
.steps{display:grid;gap:10px}
.steps div{display:flex;gap:12px;align-items:center;background:var(--soft);border:1px solid var(--line);border-radius:14px;padding:13px 14px;font-weight:700}
.steps b{font:700 14px var(--f-num);background:var(--accent);color:#FFFFFF;border-radius:8px;width:28px;height:28px;display:grid;place-items:center;flex:none}
footer{padding-block:36px 48px;color:var(--muted);font-size:15.5px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
footer a{color:var(--muted);text-decoration:underline;text-underline-offset:3px}
footer a:hover{color:var(--accent)}

@media (max-width:900px){
  .hero{grid-template-columns:1fr;gap:28px}
  .hero-phone{margin-bottom:-160px}
  section.s.first{padding-top:200px}
  .split,.split.rev{grid-template-columns:1fr;gap:32px}
  .split.rev .media{order:0}
  .media{justify-self:center;width:min(330px,82vw)}
  .cta{grid-template-columns:1fr;padding:28px 22px}
}
@media (max-width:640px){
  body{font-size:17px}
  .brand small{display:none}
  .pick span{display:none}
  .duo{grid-template-columns:1fr;gap:56px}
  .duo .phone{max-width:300px;margin:0 auto}
  .groups{grid-template-columns:1fr}
  section.s{padding-block:64px}
  .sync{grid-template-columns:1fr;gap:34px}
  .drive{justify-self:center}
  .drive::before{content:"⇅";left:50%;top:-30px;transform:translateX(-50%)}
  .drive::after{content:"⇅";right:auto;left:50%;top:auto;bottom:-32px;transform:translateX(-50%)}
}
@media (prefers-reduced-motion: no-preference){
  .swap{transition:opacity .25s ease}
  .swap.fade{opacity:.15}
}

/* ---------- added for the multilingual marketing page ---------- */

/* skip link, for keyboards and screen readers */
/* clipped rather than pushed off-screen: a far-left element makes the page scrollable sideways */
.skip{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip:focus{position:fixed;left:0;top:0;z-index:20;width:auto;height:auto;margin:0;overflow:visible;clip:auto;background:var(--card);color:var(--ink);padding:10px 14px;border-radius:0 0 10px 0;font-weight:700}

/* language: a switcher always in the bar, and a one-time banner for first-time visitors */
.bar nav{display:flex;align-items:center;gap:16px;font-size:15px;font-weight:600}
.bar nav a{color:var(--muted);text-decoration:none;white-space:nowrap}
.bar nav a:hover{color:var(--accent)}
.langsw{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:999px;padding:5px 12px;background:var(--card)}
.langbar{background:var(--accent);color:#FFFFFF}
.langbar .wrap{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;padding-block:9px;font-size:15.5px}
.langbar a{color:#FFFFFF;font-weight:700}
.langbar button{background:none;border:0;color:rgb(255 255 255 / .8);font:inherit;text-decoration:underline;cursor:pointer;padding:0}

/* get the app: the web button, a QR, and the two store slots */
.get{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;display:grid;grid-template-columns:1fr auto;gap:22px 28px;align-items:center;margin-top:22px}
.get h2{font-size:clamp(24px,3vw,32px);font-weight:800}
.get p{color:var(--muted);margin-top:8px;max-width:38em}
.openapp{display:inline-flex;align-items:center;gap:10px;margin-top:16px;background:var(--accent);color:#FFFFFF;text-decoration:none;font-weight:800;font-size:17px;border-radius:14px;padding:14px 22px}
.openapp:hover{filter:brightness(1.08)}
.openapp svg{width:20px;height:20px;fill:currentColor}
.qr{text-align:center}
.qr img{display:block;width:148px;height:148px;border:1px solid var(--line);border-radius:14px;background:#FFFFFF;padding:8px}
.qr span{display:block;margin-top:8px;font-size:13px;color:var(--muted);max-width:160px}
.stores{grid-column:1/-1;border-top:1px solid var(--line);padding-top:18px;display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.store{display:inline-flex;align-items:center;gap:9px;border:1px dashed var(--line);border-radius:12px;padding:10px 14px;color:var(--muted);font-weight:700;font-size:15.5px;background:var(--soft)}
.store svg{width:20px;height:20px;fill:var(--muted)}
.store em{font-style:normal;background:var(--accent-soft);color:var(--accent);border-radius:999px;padding:2px 9px;font-size:12.5px;font-weight:800}
.store.live{border-style:solid;border-color:var(--ink);background:var(--ink);color:#FFFFFF;text-decoration:none}
.store.live svg{fill:#FFFFFF}
.store.live:hover{filter:brightness(1.15)}
.storenote{flex:1 1 260px;color:var(--muted);font-size:15px;min-width:0}

footer a{color:var(--muted);text-decoration:underline;text-underline-offset:3px}
footer a:hover{color:var(--accent)}

@media (max-width:760px){
  .get{grid-template-columns:1fr;text-align:left}
  .qr{justify-self:start}
}

/* phone: the bar keeps the brand and the language switcher; the section links would not fit,
   and everything they point at is a short scroll away */
@media (max-width:560px){
  .bar nav a:not(.langsw){display:none}
  .bar .wrap{gap:8px}
  .brand small{display:none}
}