@font-face{font-family:"Be Vietnam Pro";font-weight:500;font-display:swap;src:url(fonts/be-vietnam-pro-vietnamese-500-normal.woff2) format("woff2");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:"Be Vietnam Pro";font-weight:500;font-display:swap;src:url(fonts/be-vietnam-pro-latin-500-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Be Vietnam Pro";font-weight:700;font-display:swap;src:url(fonts/be-vietnam-pro-vietnamese-700-normal.woff2) format("woff2");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:"Be Vietnam Pro";font-weight:700;font-display:swap;src:url(fonts/be-vietnam-pro-latin-700-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Be Vietnam Pro";font-weight:800;font-display:swap;src:url(fonts/be-vietnam-pro-vietnamese-800-normal.woff2) format("woff2");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:"Be Vietnam Pro";font-weight:800;font-display:swap;src:url(fonts/be-vietnam-pro-latin-800-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

:root{
  --ink:#0b1b33; --paper:#eef2f7; --card:#ffffff; --muted:#4b5b75; --line:#d5dde9;
  --zalo:#0068ff; --zalo-dark:#0050c8; --sign:#ffd23f; --proof:#0f7a56; --proof-bg:#e4f4ec;
  --r:16px;
}
*{box-sizing:border-box;margin:0}
html{-webkit-text-size-adjust:100%}
body{font-family:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;font-weight:500;color:var(--ink);background:var(--paper);line-height:1.55;font-size:17px;padding-bottom:32px}
a{color:inherit}
.wrap{max-width:560px;margin:0 auto;padding:0 20px}
h1,h2,h3{font-weight:800;line-height:1.2;letter-spacing:-.01em}
h1{font-size:30px}
h2{font-size:22px;margin-bottom:12px}
h3{font-size:18px}
p{max-width:60ch}
.muted{color:var(--muted)}
:focus-visible{outline:3px solid var(--sign);outline-offset:3px}

/* top row */
.top{display:flex;justify-content:space-between;align-items:center;padding:14px 0;font-size:15px}
.brand{font-weight:800;text-decoration:none}
.lang{font-weight:700;text-decoration:none;border:2px solid var(--ink);border-radius:999px;padding:2px 12px;font-size:14px}

/* hero */
.hero{padding:8px 0 28px}
.who{display:flex;align-items:center;gap:14px;margin:6px 0 18px}
.avatar{width:72px;height:72px;border-radius:50%;flex:none;background:var(--ink);color:var(--sign);display:grid;place-items:center;font-weight:800;font-size:26px;overflow:hidden;border:3px solid var(--sign)}
.avatar img{width:100%;height:100%;object-fit:cover}
.who b{display:block;font-size:19px;font-weight:800}
.who span{color:var(--muted);font-size:15px}
.hero p.lead{margin:12px 0 20px;font-size:18px}

/* THE one loud element: the Zalo button */
.zalo{position:relative;display:flex;align-items:center;justify-content:center;gap:12px;width:100%;min-height:84px;padding:18px 20px;border-radius:20px;background:var(--zalo);color:#fff;text-decoration:none;font-weight:800;font-size:23px;box-shadow:0 6px 0 var(--zalo-dark);transition:transform .08s,box-shadow .08s}
.zalo:active{transform:translateY(4px);box-shadow:0 2px 0 var(--zalo-dark)}
.zalo svg{width:34px;height:34px;flex:none}
.zalo small{display:block;font-weight:500;font-size:14px;opacity:.9;margin-top:1px}
.sticker{position:absolute;top:-14px;right:14px;background:var(--sign);color:var(--ink);font-weight:800;font-size:13px;padding:3px 12px;border-radius:999px;transform:rotate(3deg)}
.subcta{margin-top:18px;font-size:15px;color:var(--muted)}

/* proof */
.proof{background:var(--proof-bg);border-radius:var(--r);padding:18px;display:flex;gap:14px;align-items:flex-start;margin-bottom:28px}
.proof .tick{flex:none;width:34px;height:34px;border-radius:50%;background:var(--proof);color:#fff;display:grid;place-items:center;font-weight:800}
.proof b{font-weight:800}
.proof a{font-weight:700;color:var(--proof)}

section{margin-bottom:34px}
/* demos */
.demos{display:grid;gap:12px}
.demo{display:block;background:var(--card);border:2px solid var(--line);border-radius:var(--r);padding:16px 18px;text-decoration:none}
.demo b{display:block;font-weight:800;font-size:18px}
.demo span{color:var(--muted);font-size:15px}
.demo i{font-style:normal;font-weight:700;color:var(--zalo);font-size:15px}

/* steps */
.steps{list-style:none;padding:0;display:grid;gap:10px;counter-reset:s}
.steps li{counter-increment:s;background:var(--card);border-radius:var(--r);padding:14px 16px 14px 56px;position:relative;border:2px solid var(--line)}
.steps li::before{content:counter(s);position:absolute;left:14px;top:12px;width:30px;height:30px;border-radius:50%;background:var(--ink);color:var(--sign);display:grid;place-items:center;font-weight:800}

/* prices */
.plans{display:grid;gap:12px}
.plan{background:var(--card);border:2px solid var(--line);border-radius:var(--r);padding:16px 18px}
.plan.first{border-color:var(--zalo)}
.plan .p{font-size:26px;font-weight:800}
.plan .p small{font-size:15px;font-weight:500;color:var(--muted)}
.plan ul{padding-left:20px;margin-top:8px;color:var(--muted);font-size:15px}
.barter{margin-top:12px;background:var(--sign);border-radius:var(--r);padding:14px 16px;font-weight:700}

/* footer + sticky bar */
footer{padding:8px 0 24px;color:var(--muted);font-size:14px}
.bar{position:fixed;left:0;right:0;bottom:0;background:rgba(238,242,247,.96);backdrop-filter:blur(6px);padding:10px 16px calc(10px + env(safe-area-inset-bottom));border-top:1px solid var(--line);z-index:5}
.bar .zalo{min-height:60px;font-size:19px;border-radius:16px;box-shadow:0 4px 0 var(--zalo-dark);padding:10px 16px}
.bar .zalo svg{width:28px;height:28px}
.bar .sticker{display:none}

/* demo pages */
.ribbon{background:var(--ink);color:#fff;font-size:14px;text-align:center;padding:8px 12px}
.ribbon a{color:var(--sign);font-weight:700}
.shop-hero{padding:22px 0 8px}
.badge{display:inline-block;padding:3px 12px;border-radius:999px;font-weight:700;font-size:14px;background:var(--line)}
.badge.open{background:var(--proof-bg);color:var(--proof)}
.badge.closed{background:#fde8e8;color:#9b1c1c}
.row{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:16px 0}
.btn{display:flex;align-items:center;justify-content:center;min-height:56px;border-radius:14px;border:2px solid var(--ink);font-weight:700;text-decoration:none;background:var(--card);text-align:center;padding:8px}
.svc{display:grid;gap:10px}
.svc div{background:var(--card);border-radius:var(--r);padding:14px 16px;border:2px solid var(--line)}
.svc b{display:block;font-weight:800}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:6px 0 14px}
.chip{border:2px solid var(--ink);background:var(--card);border-radius:999px;padding:6px 14px;font:inherit;font-weight:700;cursor:pointer}
.chip[aria-pressed=true]{background:var(--ink);color:var(--sign)}
.listing{background:var(--card);border-radius:var(--r);border:2px solid var(--line);padding:14px 16px;margin-bottom:10px}
.listing .pr{font-weight:800;color:var(--proof)}
.listing[hidden]{display:none}
.note{font-size:14px;color:var(--muted);margin-top:22px}

/* ---- v2: modern look + scroll reveal ---- */
:root{--paper:#f5f8fd;--line:#e4eaf4;--shadow:0 1px 2px rgba(11,27,51,.04),0 10px 30px rgba(11,27,51,.07);--r:22px}
body{background:radial-gradient(900px 420px at 90% -8%,#d9e7ff 0,transparent 62%),radial-gradient(700px 360px at -12% 6%,#fff1c2 0,transparent 58%),var(--paper)}
.wrap{max-width:600px}
h1{font-size:clamp(33px,8.4vw,46px);line-height:1.06;letter-spacing:-.03em}
h2{font-size:24px;letter-spacing:-.02em}
.hero{padding:10px 0 34px}
.hero p.lead{font-size:18px;color:#33445f}
.lang{border:1px solid var(--line);background:rgba(255,255,255,.7);backdrop-filter:blur(8px)}
.avatar{border:0;box-shadow:0 0 0 3px #fff,0 8px 20px rgba(11,27,51,.18)}
.zalo{border-radius:999px;background:linear-gradient(135deg,#2a86ff,#0056dd);box-shadow:0 14px 34px rgba(0,104,255,.38),inset 0 1px 0 rgba(255,255,255,.25);transition:transform .25s cubic-bezier(.2,.7,.2,1),box-shadow .25s}
.zalo:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(0,104,255,.45),inset 0 1px 0 rgba(255,255,255,.25)}
.zalo:active{transform:scale(.98);box-shadow:0 8px 20px rgba(0,104,255,.35)}
.sticker{box-shadow:0 4px 12px rgba(255,210,63,.55)}
.proof,.demo,.plan,.steps li,.svc div,.listing{border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
.proof{background:linear-gradient(135deg,#e6f6ee,#f1faf5);border-color:#cfeadb}
.demo,.plan{transition:transform .25s cubic-bezier(.2,.7,.2,1),box-shadow .25s}
.demo:hover,.plan:hover{transform:translateY(-3px);box-shadow:0 2px 4px rgba(11,27,51,.05),0 18px 40px rgba(11,27,51,.12)}
.plan.first{border:2px solid transparent;background:linear-gradient(#fff,#fff) padding-box,linear-gradient(135deg,#2a86ff,#9cc0ff) border-box}
.steps li::before{background:linear-gradient(135deg,#0b1b33,#26406b)}
.barter{border-radius:var(--r);background:linear-gradient(135deg,#ffd23f,#ffe27a);box-shadow:var(--shadow)}
.js .reveal{opacity:0;transform:translateY(46px) scale(.97);filter:blur(6px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1),filter .9s cubic-bezier(.2,.7,.2,1);transition-delay:var(--d,0ms);will-change:opacity,transform}
.js .reveal.in{opacity:1;transform:none;filter:none}
/* Reduced-motion users (and some VMs/remote desktops report it): keep a gentle fade, drop movement and blur. */
@media (prefers-reduced-motion:reduce){.js .reveal{transform:none;filter:none;transition:opacity .6s ease;transition-delay:var(--d,0ms)}.zalo,.demo,.plan{transition:none}}
.flag{display:inline-block;margin:0 .15em;width:1.35em;height:.72em;vertical-align:-.08em;border-radius:2px;box-shadow:0 0 0 1px rgba(11,27,51,.18)}

/* ---- Floating Zalo widget (always on screen, bottom-right): compact 56px round button ---- */
.bar{position:fixed;right:calc(16px + env(safe-area-inset-right));left:auto;bottom:calc(16px + env(safe-area-inset-bottom));width:56px;height:56px;padding:0;background:none;border:0;backdrop-filter:none;-webkit-backdrop-filter:none;z-index:50}
.bar .zalo{position:relative;display:flex;align-items:center;justify-content:center;width:56px;height:56px;min-height:0;padding:0;gap:0;border-radius:50%;font-size:14px;white-space:nowrap;box-shadow:0 8px 22px rgba(0,104,255,.42),0 2px 6px rgba(11,27,51,.18),inset 0 1px 0 rgba(255,255,255,.3);animation:zpop .6s .4s cubic-bezier(.2,1.5,.4,1) both}
.bar .zalo svg{width:28px;height:28px}
.bar .zalo span{position:absolute;right:calc(100% + 10px);top:50%;transform:translateY(-50%) translateX(6px);padding:8px 12px;border-radius:999px;background:var(--ink);color:#fff;font-weight:700;opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease}
@media (hover:hover){.bar .zalo:hover span{opacity:1;transform:translateY(-50%)}}
.bar .zalo:focus-visible span{opacity:1;transform:translateY(-50%)}
.bar .zalo:hover{transform:translateY(-2px) scale(1.04)}
.bar .zalo::before{content:"";position:absolute;inset:0;border-radius:50%;background:#2a86ff;z-index:-1;animation:zpulse 3s 1.6s ease-out infinite}
@keyframes zpop{from{opacity:0;transform:scale(.4) translateY(24px)}to{opacity:1;transform:none}}
@keyframes zpulse{0%{transform:scale(1);opacity:.5}70%,100%{transform:scale(1.5);opacity:0}}
@media (prefers-reduced-motion:reduce){.bar .zalo,.bar .zalo::before{animation:none}.bar .zalo:hover{transform:none}}

/* ---- Compact hero Zalo button (landing page only) ---- */
.zalo.zalo-sm{display:inline-flex;width:auto;min-height:52px;padding:0 28px 0 22px;gap:10px;font-size:19px;box-shadow:0 8px 20px rgba(0,104,255,.35),inset 0 1px 0 rgba(255,255,255,.25)}
.zalo.zalo-sm:hover{box-shadow:0 10px 24px rgba(0,104,255,.42),inset 0 1px 0 rgba(255,255,255,.25)}
.zalo.zalo-sm:active{box-shadow:0 4px 12px rgba(0,104,255,.3)}
.zalo.zalo-sm svg{width:26px;height:26px}

/* ---- Avatar matches the favicon: blue gradient tile, white mark, yellow dot ---- */
.avatar{position:relative;background:linear-gradient(135deg,#2a86ff,#0056dd);color:#fff;letter-spacing:-.01em}
.avatar:not(.has-photo)::after{content:"";position:absolute;right:11px;bottom:11px;width:12px;height:12px;border-radius:50%;background:var(--sign)}

/* ---- Conversion layout: risk line, sample peek, proof inside hero ---- */
.subcta{margin-top:12px;max-width:44ch}
.peek{display:flex;align-items:center;gap:14px;margin-top:18px;padding:10px 14px 10px 12px;background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);text-decoration:none;font-size:15px;color:var(--muted)}
.peek strong{color:var(--ink);font-weight:800;font-size:16px}
.phone{flex:none;display:flex;flex-direction:column;gap:5px;width:46px;height:80px;padding:6px 5px;border-radius:11px;background:var(--ink);box-shadow:0 6px 14px rgba(11,27,51,.25)}
.phone i{height:14px;border-radius:5px;background:linear-gradient(135deg,#2a86ff,#0056dd)}
.phone b{height:5px;border-radius:3px;background:#c9d4e6}
.phone u{margin-top:auto;text-decoration:none;text-align:center;font-size:9px;font-weight:800;line-height:14px;border-radius:7px;background:var(--zalo);color:#fff}
.hero .proof{margin-top:14px}
.hero{padding-bottom:24px}

/* ---- World-class polish: type, glass header, depth, micro-interactions ---- */
html{scroll-behavior:smooth}
body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;font-feature-settings:"tnum" 0}
::selection{background:#bcd7ff;color:var(--ink)}
:focus-visible{outline:3px solid #2a86ff;outline-offset:3px;border-radius:12px}
h1,h2,h3{text-wrap:balance}
p,li{text-wrap:pretty}
h1{letter-spacing:-.035em;background:linear-gradient(180deg,#0b1b33 45%,#2c4a7c);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.plan .p{font-variant-numeric:tabular-nums;letter-spacing:-.02em}

/* soft dot grid behind the hero, fading out (Linear/Vercel style) */
body::before{content:"";position:absolute;inset:0 0 auto 0;height:520px;z-index:-1;pointer-events:none;background-image:radial-gradient(rgba(11,27,51,.09) 1px,transparent 1.2px);background-size:22px 22px;-webkit-mask-image:linear-gradient(#000,transparent);mask-image:linear-gradient(#000,transparent)}
body{position:relative}

/* glass sticky top bar */
.top{position:sticky;top:0;z-index:20;margin:0 -20px;padding:12px 20px;background:rgba(245,248,253,.72);-webkit-backdrop-filter:saturate(180%) blur(14px);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid transparent;transition:border-color .2s}
.brand{letter-spacing:-.02em}

/* depth: top highlight + hover tint */
.demo,.plan,.steps li,.peek{box-shadow:var(--shadow),inset 0 1px 0 #fff;transition:transform .25s cubic-bezier(.2,.7,.2,1),box-shadow .25s,border-color .25s}
.demo:hover,.peek:hover{border-color:#9cc0ff}
.demo i::after,.peek strong::after{content:" →";display:inline-block;transition:transform .2s}
.demo:hover i::after{transform:translateX(4px)}
.peek strong::after{content:none}

/* hero button arrow */
.zalo.zalo-sm::after{content:"→";font-weight:800;transition:transform .2s}
.zalo.zalo-sm:hover::after{transform:translateX(4px)}

/* steps: brand numerals + connector line */
.steps li::before{background:linear-gradient(135deg,#2a86ff,#0056dd);color:#fff;box-shadow:0 4px 10px rgba(0,104,255,.3)}
.steps li:not(:last-child)::after{content:"";position:absolute;left:28px;top:44px;bottom:-12px;width:2px;background:linear-gradient(#cfe0fb,transparent)}

/* featured plan glow */
.plan.first{box-shadow:var(--shadow),0 18px 40px rgba(0,104,255,.14)}

@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.zalo.zalo-sm::after,.demo i::after{transition:none}}

/* ---- World-class polish: type, glass header, depth, micro-interactions ---- */
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}
::selection{background:#cfe2ff;color:var(--ink)}
:focus-visible{outline:3px solid #2a86ff;outline-offset:3px;border-radius:8px}
h1,h2,h3{text-wrap:balance}
p,li{text-wrap:pretty}
h1{letter-spacing:-.035em;background:linear-gradient(180deg,#0b1b33 35%,#27508f);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.plan .p,.pr{font-variant-numeric:tabular-nums;letter-spacing:-.02em}
/* faint dot grid that fades out, like Linear/Vercel heroes */
body::before{content:"";position:absolute;inset:0 0 auto 0;height:520px;z-index:-1;pointer-events:none;background-image:radial-gradient(rgba(11,27,51,.09) 1px,transparent 1px);background-size:22px 22px;-webkit-mask-image:linear-gradient(#000,transparent);mask-image:linear-gradient(#000,transparent)}
body{position:relative;isolation:isolate}
/* sticky glass top bar */
.top{position:sticky;top:0;z-index:20;margin:0 -20px;padding:12px 20px;background:rgba(245,248,253,.72);-webkit-backdrop-filter:saturate(1.6) blur(14px);backdrop-filter:saturate(1.6) blur(14px);border-bottom:1px solid rgba(213,221,233,.6)}
/* primary button: arrow nudge */
.zalo.zalo-sm::after{content:"→";font-weight:800;margin-left:2px;transition:transform .25s cubic-bezier(.2,.7,.2,1)}
.zalo.zalo-sm:hover::after{transform:translateX(4px)}
/* cards: top highlight, brand-tinted hover, sliding arrow */
.demo,.plan,.steps li,.peek{box-shadow:var(--shadow),inset 0 1px 0 #fff;border-color:var(--line)}
.demo:hover,.peek:hover{border-color:#b9d3ff}
.demo i::after,.peek strong::after{content:" →";display:inline-block;transition:transform .25s cubic-bezier(.2,.7,.2,1)}
.demo:hover i::after{transform:translateX(4px)}
.peek strong::after{content:""}
.peek{transition:transform .25s cubic-bezier(.2,.7,.2,1),box-shadow .25s,border-color .25s}
.peek:hover{transform:translateY(-2px);box-shadow:0 2px 4px rgba(11,27,51,.05),0 18px 40px rgba(11,27,51,.12)}
/* steps: brand numerals joined by a thin line */
.steps{gap:12px}
.steps li::before{background:linear-gradient(135deg,#2a86ff,#0056dd);color:#fff;box-shadow:0 4px 10px rgba(0,104,255,.3)}
.steps li:not(:last-child)::after{content:"";position:absolute;left:28px;top:44px;bottom:-14px;width:2px;background:linear-gradient(#b9d3ff,transparent)}
/* pricing: featured plan glow */
.plan.first{box-shadow:0 0 0 4px rgba(42,134,255,.1),0 18px 40px rgba(0,104,255,.14)}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.zalo.zalo-sm::after,.demo i::after,.peek{transition:none}}

/* ---- World-class polish: type, glass nav, depth, micro-interactions ---- */
html{scroll-behavior:smooth}
body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-feature-settings:"kern","liga";position:relative}
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background-image:radial-gradient(rgba(11,27,51,.07) 1px,transparent 1.2px);background-size:22px 22px;-webkit-mask-image:linear-gradient(180deg,#000,transparent 55%);mask-image:linear-gradient(180deg,#000,transparent 55%)}
h1,h2,h3{text-wrap:balance}
p,li{text-wrap:pretty}
h1{letter-spacing:-.035em;background:linear-gradient(180deg,#0b1b33 35%,#2b4a7e);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;padding-bottom:.08em}
h2{letter-spacing:-.025em}
::selection{background:#cfe1ff;color:var(--ink)}
:focus-visible{outline:3px solid rgba(42,134,255,.55);outline-offset:3px;border-radius:12px}

/* glass top bar */
.top{position:sticky;top:0;z-index:20;margin:0 -20px;padding:12px 20px;background:rgba(245,248,253,.72);-webkit-backdrop-filter:saturate(1.6) blur(14px);backdrop-filter:saturate(1.6) blur(14px);border-bottom:1px solid transparent}
.brand{letter-spacing:-.02em}

/* button: arrow nudge */
.zalo.zalo-sm::after{content:"\2192";font-weight:700;margin-left:2px;transition:transform .2s ease}
.zalo.zalo-sm:hover::after{transform:translateX(4px)}

/* cards: top highlight, brand-tinted hover, sliding arrow */
.demo,.plan,.steps li,.peek,.proof{box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.9)}
.demo:hover,.peek:hover{border-color:#b9d3ff}
.demo i::after{content:" \2192";display:inline-block;transition:transform .2s ease}
.demo:hover i::after{transform:translateX(4px)}
.peek{transition:transform .25s cubic-bezier(.2,.7,.2,1),box-shadow .25s,border-color .25s}
.peek:hover{transform:translateY(-2px);box-shadow:0 2px 4px rgba(11,27,51,.05),0 18px 40px rgba(11,27,51,.12)}

/* steps: brand numerals + connector line */
.steps li::before{background:linear-gradient(135deg,#2a86ff,#0056dd);color:#fff;box-shadow:0 4px 10px rgba(0,104,255,.3)}
.steps li:not(:last-child)::after{content:"";position:absolute;left:28px;top:44px;bottom:-12px;width:2px;background:linear-gradient(#b9d3ff,transparent)}

/* prices: tabular numerals, featured glow */
.plan .p{font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.plan.first{box-shadow:var(--shadow),0 14px 36px rgba(0,104,255,.16)}

@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.zalo.zalo-sm::after,.demo i::after,.peek{transition:none}}

/* ---- FAQ (objection handling) ---- */
.faq{display:grid;gap:10px}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.9);padding:0 18px;transition:border-color .2s}
.faq details[open]{border-color:#b9d3ff}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px;padding:15px 0;font-weight:700;min-height:48px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";flex:none;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:#e8f1ff;color:var(--zalo);font-weight:800;transition:transform .2s ease}
.faq details[open] summary::after{content:"\2212";transform:rotate(180deg)}
.faq p{padding:0 0 16px;color:var(--muted);font-size:16px}
@media (prefers-reduced-motion:reduce){.faq summary::after,.faq details{transition:none}}

/* ---- WOW: live phone demo hero (one orchestrated moment; everything else stays quiet) ---- */
body::before{content:none}
h1{background:none;-webkit-text-fill-color:currentColor}
.zalo.zalo-sm::after{content:none}
.landing{max-width:1080px}
.landing>section,.landing>footer{max-width:640px;margin-left:auto;margin-right:auto}
.landing .hero{display:grid;gap:26px;padding:12px 0 36px;grid-template-areas:"copy" "stage" "proof"}
.landing .hero-copy{grid-area:copy}
.landing .hero-stage{grid-area:stage}
.landing .hero .proof{grid-area:proof;margin:0;align-self:start}
.landing h1{font-size:clamp(36px,9.4vw,68px);line-height:1;letter-spacing:-.045em;margin-top:6px}
.landing .hero p.lead{font-size:18px;max-width:30ch;margin:12px 0 18px}
@media (min-width:880px){
  .landing .hero{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);grid-template-areas:"copy stage" "proof stage";gap:28px 56px;align-items:center;padding:48px 0 80px}
  .landing h1{font-size:68px}
}
.hero-stage{position:relative;display:grid;justify-items:center;width:100%;max-width:440px;margin:0 auto;padding:18px 0 4px}
.orb{position:absolute;top:34px;left:50%;width:min(84vw,380px);aspect-ratio:1;transform:translateX(-50%);border-radius:50%;background:radial-gradient(circle at 28% 22%,#6cb0ff,#0068ff 52%,#0047b8);box-shadow:0 50px 100px rgba(0,104,255,.33)}
.handset{position:relative;width:252px;height:508px;padding:9px;border-radius:42px;background:#0b1b33;box-shadow:0 44px 80px rgba(11,27,51,.38),inset 0 0 0 2px #2a436e;transform:rotate(-3deg);animation:hs-rise .9s cubic-bezier(.2,.8,.2,1) both}
.scr{position:relative;height:100%;display:flex;flex-direction:column;gap:11px;padding:36px 15px 15px;border-radius:33px;background:#fff;overflow:hidden;font-size:13px;color:var(--ink)}
.notch{position:absolute;top:9px;left:50%;width:76px;height:20px;margin-left:-38px;border-radius:12px;background:#0b1b33}
.m-banner{position:relative;height:92px;border-radius:16px;background:linear-gradient(135deg,#e6f6ee,#bfe4d0)}
.m-banner i{position:absolute;left:50%;top:50%;width:40px;height:40px;margin:-20px 0 0 -20px}
.m-banner i::before,.m-banner i::after{content:"";position:absolute;background:var(--proof);border-radius:4px}
.m-banner i::before{left:15px;top:0;width:10px;height:40px}
.m-banner i::after{left:0;top:15px;width:40px;height:10px}
.m-name{font-size:19px;font-weight:800;letter-spacing:-.02em;line-height:1.1}
.m-open{display:inline-flex;align-self:flex-start;align-items:center;gap:7px;padding:4px 10px;border-radius:999px;background:var(--proof-bg);color:var(--proof);font-weight:700;font-size:12px}
.m-open i{width:7px;height:7px;border-radius:50%;background:var(--proof)}
.m-note{color:var(--muted);font-size:12px;margin-top:-4px}
.m-row{padding:10px 12px;border:1px solid var(--line);border-radius:12px;font-weight:700}
.m-btn{position:relative;margin-top:auto;display:flex;align-items:center;justify-content:center;gap:8px;height:46px;border-radius:999px;background:linear-gradient(135deg,#2a86ff,#0056dd);color:#fff;font-weight:800;font-size:15px;box-shadow:0 8px 18px rgba(0,104,255,.35);animation:hs-press .35s 1.9s both}
.m-btn svg{width:22px;height:22px}
.m-btn::after{content:"";position:absolute;left:50%;top:50%;width:46px;height:46px;margin:-23px 0 0 -23px;border-radius:50%;background:rgba(11,27,51,.28);opacity:0;animation:hs-tap .7s 1.7s ease-out both}
.notif{position:absolute;top:46px;right:-26px;width:214px;display:flex;gap:10px;align-items:center;padding:11px 12px;border-radius:18px;background:rgba(255,255,255,.97);box-shadow:0 18px 40px rgba(11,27,51,.28);opacity:0;animation:hs-notif .6s 2.5s cubic-bezier(.2,1.4,.4,1) both}
.n-ico{flex:none;width:34px;height:34px;border-radius:10px;background:var(--zalo);display:grid;place-items:center}
.n-ico svg{width:22px;height:22px}
.notif small{display:block;color:var(--muted);font-size:11px;font-weight:700}
.notif strong{display:block;font-size:13px;font-weight:700;line-height:1.3}
.reply{position:absolute;left:-28px;bottom:86px;max-width:190px;padding:10px 14px;border-radius:18px 18px 18px 5px;background:linear-gradient(135deg,#2a86ff,#0056dd);color:#fff;font-size:13px;font-weight:700;line-height:1.3;box-shadow:0 14px 30px rgba(0,104,255,.4);opacity:0;animation:hs-notif .5s 3.8s cubic-bezier(.2,1.4,.4,1) both}
.stage-link{position:relative;margin-top:26px;font-weight:700;color:var(--zalo);text-underline-offset:4px}
@keyframes hs-rise{from{opacity:0;transform:translateY(46px) rotate(-3deg) scale(.96)}to{opacity:1;transform:rotate(-3deg)}}
@keyframes hs-tap{0%{opacity:.9;transform:scale(.4)}100%{opacity:0;transform:scale(1.9)}}
@keyframes hs-press{0%,100%{transform:scale(1)}50%{transform:scale(.95)}}
@keyframes hs-notif{from{opacity:0;transform:translateY(-14px) scale(.92)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.handset,.m-btn,.m-btn::after{animation:none}.notif,.reply{animation:none;opacity:1}}

/* critique fixes: no arrows on links; hero reveals handled by the phone sequence */
.demo i::after{content:none}

/* desktop: use the width below the hero instead of one narrow column */
@media (min-width:880px){
  .landing>section,.landing>footer{max-width:none;margin-left:0;margin-right:0}
  .landing .demos{grid-template-columns:repeat(2,1fr)}
  .landing .plans{grid-template-columns:repeat(3,1fr);align-items:stretch}
  .landing .steps{grid-template-columns:repeat(3,1fr)}
  .landing .steps li{padding:62px 18px 18px}
  .landing .steps li::before{left:18px;top:18px}
  .landing .steps li:not(:last-child)::after{content:none}
  .landing .faq{max-width:760px}
  .landing .barter{margin-top:16px}
}

/* footer: brand + small Zalo button */
footer{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.foot-zalo{display:inline-flex;align-items:center;gap:6px;padding:5px 14px 5px 10px;border-radius:999px;background:linear-gradient(135deg,#2a86ff,#0056dd);color:#fff;font-weight:800;text-decoration:none;box-shadow:0 4px 12px rgba(0,104,255,.3)}
.foot-zalo svg{width:18px;height:18px}

/* ---- Demo (shop) pages, scoped to .shop so the landing page is untouched. --ac / --ac-t = per-shop accent ---- */
.ribbon{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:0 8px;min-height:48px;padding:4px 12px}
.ribbon a{display:inline-flex;align-items:center;min-height:48px;padding:0 4px}
.shop{padding-bottom:88px;max-width:640px}
.shop .shop-hero{padding:0}
.shop .banner{margin:0 -20px;height:150px;background:var(--ac);overflow:hidden}
.shop .banner svg{display:block;width:100%;height:100%}
.shop .logo{position:relative;margin-top:-34px;width:68px;height:68px;border-radius:20px;background:var(--ac);color:#fff;border:4px solid var(--paper);display:grid;place-items:center;font-weight:800;font-size:24px;letter-spacing:-.02em;box-shadow:0 8px 20px rgba(11,27,51,.2)}
.shop .logo::after{content:"";position:absolute;right:9px;bottom:9px;width:9px;height:9px;border-radius:50%;background:var(--sign)}
.shop .shop-name{margin-top:12px;font-weight:700;font-size:16px;color:var(--muted)}
.shop h1{font-size:clamp(32px,9vw,46px);line-height:1.06;letter-spacing:-.035em;margin:6px 0 14px;max-width:16ch}
.shop .status{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;margin-bottom:20px}
.shop .status i{flex:none;width:10px;height:10px;border-radius:50%;background:var(--muted)}
.shop .status.open{color:var(--proof)}.shop .status.open i{background:var(--proof)}
.shop .status.closed{color:#9b1c1c}.shop .status.closed i{background:#9b1c1c}
.shop .shop-hero h1+.zalo{margin-top:18px}
.shop .zalo{font-size:clamp(19px,5.6vw,23px)}
.shop .alt{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0 0}
.shop .alt .btn,.shop .mapinfo .btn{flex:1 1 140px;min-height:48px;border:1px solid #c9d5e8;border-radius:999px;font-size:15px;box-shadow:none;background:#fff}
/* trust strip: the shop's real facts, next to the main button */
.shop .facts{list-style:none;margin:26px 0 0;padding:0;background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
.shop .facts li{display:flex;align-items:center;gap:14px;padding:14px 16px}
.shop .facts li+li{border-top:1px solid var(--line)}
.shop .fi{flex:none;width:42px;height:42px;border-radius:13px;background:var(--ac-t);color:var(--ac);display:grid;place-items:center}
.shop .fi svg{width:23px;height:23px}
.shop .facts b{display:block;font-weight:800;line-height:1.25}
.shop .facts li>span:last-child{font-size:15px;color:var(--muted)}
.shop section{margin-top:38px}
.shop h2{margin-bottom:8px}
.shop .svc{display:block}
.shop .svc div{position:relative;background:none;border:0;border-top:1px solid var(--line);border-radius:0;box-shadow:none;padding:15px 0 15px 40px;margin:0}
.shop .svc div:last-child{border-bottom:1px solid var(--line)}
.shop .svc div::before{content:"";position:absolute;left:0;top:17px;width:24px;height:24px;border-radius:50%;background:var(--ac) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7'/%3E%3C/svg%3E") center/14px no-repeat}
.shop .mapcard{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden}
.shop .mapart{height:140px}.shop .mapart svg{display:block;width:100%;height:100%}
.shop .mapinfo{padding:16px 18px 18px;display:grid;gap:6px}
.shop .mapinfo .btn{margin-top:8px}
.shop .chips{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 16px}
.shop .chip{min-height:48px;padding:0 18px;border:1px solid #c9d5e8;background:#fff}
.shop .chip[aria-pressed=true]{background:var(--ink);color:#fff;border-color:var(--ink)}
.shop .listing{display:block;padding:0;margin:0 0 16px;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
.shop .listing[hidden]{display:none}
.shop .thumb{position:relative;height:112px}.shop .thumb svg{display:block;width:100%;height:100%}
.shop .kind{position:absolute;left:12px;top:12px;padding:3px 12px;border-radius:999px;background:var(--ink);color:#fff;font-weight:700;font-size:13px}
.shop .lbody{padding:14px 18px 6px}
.shop .listing h3{font-size:19px;letter-spacing:-.02em}
.shop .listing .pr{font-size:22px;margin:4px 0}
.shop .listing .ask{display:flex;align-items:center;justify-content:center;min-height:48px;margin:10px 0 8px;border-radius:999px;background:#e8f1ff;color:#0050c8;font-weight:800;text-decoration:none}
.shop .note{margin-top:30px}
.shop .shop-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:20px;padding:16px 0 0;border-top:1px solid var(--line);font-weight:700;color:var(--ink)}
.shop .foot-zalo{min-height:48px;padding:0 16px 0 12px}
/* Suu brand banner: dark navy wall with the roof-line logo */
.shop .banner-brand{position:relative;display:grid;place-items:center;background:#0b1b33}
.shop .banner-brand .skyline{position:absolute;left:0;right:0;bottom:0;width:100%;height:60px}
.shop .slogo{position:relative;display:block;width:min(300px,86%);height:auto;max-height:136px;font-family:"Be Vietnam Pro",system-ui,sans-serif}
.shop .logo svg{width:34px;height:26px}
.shop .logo{background:#0b1b33}