:root{--brand:#1668e3;--brand-2:#cf356d;--grad:linear-gradient(135deg,#1668e3,#cf356d);--ink:#1f2340;--muted:#657089;--line:#e4e9f2;--soft:#f1f4fa;--bg:#f6f8fc;color-scheme:light;font-family:"Leelawadee UI","Noto Sans Thai",Tahoma,system-ui,sans-serif}
*{box-sizing:border-box}
body.site{margin:0;background:var(--bg);color:var(--ink);line-height:1.6}
a{color:inherit}
img{max-width:100%}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 22px;border-radius:14px;font-weight:700;text-decoration:none;transition:transform .18s cubic-bezier(.34,1.56,.64,1),box-shadow .2s,filter .2s}
.btn:active{transform:scale(.96)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px #1668e340}
.btn-primary:hover{filter:brightness(1.06)}
.btn-ghost{background:#fff;border:1px solid var(--line)}
.btn-light{background:#fff;padding:9px 16px;border:1px solid var(--line)}
a:focus-visible,.btn:focus-visible{outline:3px solid var(--brand);outline-offset:3px}
.site-nav{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:24px;padding:14px max(16px,4vw);background:#f6f8fce6;backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-nav nav{display:flex;gap:20px;margin-left:auto;font-size:14px}
.site-nav nav a{text-decoration:none;color:var(--muted)}
.site-nav nav a:hover{color:var(--ink)}
.site-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:21px;text-decoration:none;letter-spacing:-.5px}
.site-brand span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-site{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding:60px max(16px,6vw) 40px;max-width:1280px;margin:auto}
.tag{display:inline-block;background:#e6f0ff;color:#0d4fb3;font-weight:700;font-size:12px;padding:6px 12px;border-radius:100px}
.hero-copy h1{font-size:clamp(34px,5.2vw,62px);line-height:1.22;letter-spacing:-1.5px;margin:18px 0}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-copy>p{font-size:17px;color:var(--muted);max-width:560px}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 10px}
.fine{font-size:12px;color:var(--muted)}
.hero-phones{position:relative;height:560px}
.phone{position:absolute;width:250px;border-radius:34px;padding:9px;background:#131a28;box-shadow:0 30px 70px #16223040}
.phone img{display:block;border-radius:26px;width:100%}
.phone.front{right:18%;top:0;animation:float 6s ease-in-out infinite}
.phone.back{right:0;top:60px;transform:rotate(8deg);opacity:.95;animation:float 6s ease-in-out -3s infinite}
.float-chip{position:absolute;background:#fff;border-radius:100px;padding:9px 16px;font-weight:700;font-size:14px;box-shadow:0 12px 30px #16223026;animation:float 5s ease-in-out infinite}
.float-chip.c1{left:0;top:80px}.float-chip.c2{left:4%;bottom:130px;animation-delay:-2s;color:#0d4fb3}.float-chip.c3{right:-2%;bottom:40px;animation-delay:-4s}
@keyframes float{50%{translate:0 -12px}}
.section{max-width:1180px;margin:auto;padding:60px max(16px,4vw)}
.section h2{font-size:clamp(26px,3.4vw,40px);letter-spacing:-.8px;margin:0 0 8px;text-align:center}
.lead{text-align:center;color:var(--muted);margin:0 0 34px}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.feature-grid article{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;transition:transform .25s,box-shadow .25s}
.feature-grid article:hover{transform:translateY(-4px);box-shadow:0 16px 40px #16223014}
.feature-grid i{font-style:normal;font-size:28px;width:52px;height:52px;border-radius:16px;background:#e6f0ff;display:grid;place-items:center}
.feature-grid h3{margin:14px 0 6px;font-size:17px}
.feature-grid p{margin:0;font-size:14px;color:var(--muted)}
.showcase{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.showcase figure{margin:0;text-align:center}
.showcase img{border-radius:28px;border:8px solid #131a28;box-shadow:0 20px 50px #16223026}
.showcase figcaption{margin-top:12px;font-weight:700}
.safety{display:grid;grid-template-columns:1.3fr .7fr;gap:30px;align-items:center}
.safety h2{text-align:left}
.safety ul{padding-left:20px;color:var(--muted)}
.safety li{margin:10px 0}
.safety li b{color:var(--ink)}
.safety-card{background:var(--grad);color:#fff;border-radius:24px;padding:30px}
.safety-card span{font-size:44px}
.safety-card p{font-size:20px;font-weight:700}
.safety-card a{color:#fff;font-weight:700}
.download-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px}
.dl-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:26px;display:flex;flex-direction:column;align-items:flex-start;gap:6px}
.dl-card h3{margin:0;font-size:20px}
.dl-card p,.dl-card ol{color:var(--muted);font-size:14px;margin:0 0 10px}
.dl-card.qr{align-items:center;text-align:center}
.dl-card.highlight{border:2px solid var(--brand);box-shadow:0 12px 30px #1668e326}
.site-foot{display:flex;flex-wrap:wrap;align-items:center;gap:20px;padding:30px max(16px,4vw);border-top:1px solid var(--line);color:var(--muted);font-size:14px}
.site-foot nav{display:flex;flex-wrap:wrap;gap:18px}
.site-foot small{margin-left:auto}
/* legal and download pages */
.doc{max-width:760px;margin:auto;padding:40px max(16px,4vw) 70px}
.doc h1{font-size:clamp(28px,4vw,38px);letter-spacing:-.8px;margin-bottom:4px}
.doc h2{font-size:20px;margin-top:34px}
.doc p,.doc li{color:#3d3552}
.doc .meta{color:var(--muted);font-size:14px}
.doc .box{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px 22px;margin:20px 0}
.doc .steps li{margin:8px 0}
.download-hero{text-align:center}
.download-hero img.app-icon{width:96px;height:96px;border-radius:26px;box-shadow:0 14px 34px #1668e340}
@media(max-width:900px){.hero-site{grid-template-columns:1fr;padding-top:36px}.hero-phones{height:460px}.phone{width:200px}.phone.front{right:auto;left:8%}.phone.back{right:6%}.feature-grid{grid-template-columns:repeat(2,1fr)}.showcase,.download-grid,.safety{grid-template-columns:1fr}.showcase figure{max-width:320px;margin:auto}.site-nav nav{display:none}}
@media(max-width:520px){.feature-grid{grid-template-columns:1fr}.float-chip.c2{display:none}.site-foot small{margin-left:0}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

.site-brand span{background:none;-webkit-background-clip:border-box;background-clip:border-box;color:var(--ink)}
.site-brand em{font-style:normal;background:linear-gradient(90deg,#ff4f8b,#ff9a3c 45%,#b44fd0 75%,#1a8cff);-webkit-background-clip:text;background-clip:text;color:transparent}
.brand-tile{border-radius:10px;background:#fff;box-shadow:0 4px 14px #1668e326}
.download-hero .app-logo{max-width:70vw;height:auto}
/* Contact form */
.contact-form{display:grid;gap:14px}
.contact-form label{display:grid;gap:6px;font-weight:600;font-size:14px}
.contact-form input,.contact-form select,.contact-form textarea{font:inherit;font-weight:400;width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink)}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px #1668e328}
.contact-form textarea{resize:vertical;min-height:130px}
.contact-form button{justify-self:start;border:0;font:inherit;font-weight:700;cursor:pointer}
.contact-form button:disabled{opacity:.6;cursor:wait}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.contact-form .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-status{margin:0;font-size:14px;min-height:1.4em}
.form-status.ok{color:#1b7a44}.form-status.err{color:#b94636}
.copy-btn{padding:4px 12px;font-size:13px;margin-left:6px;cursor:pointer;font-family:inherit}
@media(max-width:560px){.field-row{grid-template-columns:1fr}}

/* Phones: the menu is hidden, so the "ใช้งานบนเว็บ" button sits at the right edge like on desktop. */
@media(max-width:900px){.site-nav>.btn{margin-left:auto}}