/* Legal pages (/privacy/, /terms/, /refund/ and /en/…). Tokens and the header,
   brand mark, buttons and footer mirror the inline <style> in index.html —
   keep them in sync when the landing page design changes. */
:root{
  --bg:#FCFCFB; --surface:#fff; --panel:#F4F4F1;
  --ink:#16181D; --ink2:#2B2F38; --muted:rgba(22,24,29,.58); --faint:rgba(22,24,29,.38);
  --line:rgba(22,24,29,.09); --line2:rgba(22,24,29,.06);
  --blue:#1D63C8; --blue-hover:#154A99; --blue-deep:#123E7C; --blue-50:#E7F0FC;
  --gold-bg:#FBF0DA; --gold-ink:#8A5A06;
  --font:'Inter','Anuphan','Noto Sans Thai',-apple-system,'Segoe UI',Roboto,sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);font-family:var(--font);color:var(--ink);-webkit-font-smoothing:antialiased;line-height:1.55;font-feature-settings:"cv11","ss01"}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p,ol{margin:0}
a:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:4px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.wrap{max-width:1180px;margin:0 auto;padding:0 32px}
.skip{position:absolute;left:16px;top:-100px;z-index:70;padding:10px 16px;border-radius:999px;background:var(--ink);color:#fff;font-size:14px}
.skip:focus{top:12px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-weight:500;white-space:nowrap;transition:background .2s,color .2s,box-shadow .2s,transform .2s var(--ease)}
.btn:active{transform:scale(.98)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#000;box-shadow:0 6px 18px rgba(22,24,29,.18)}
.btn-sm{padding:8px 16px;font-size:13.5px}

/* ---------- header ---------- */
.hdr{position:sticky;top:0;z-index:60;background:rgba(252,252,251,.72);backdrop-filter:saturate(1.6) blur(14px);-webkit-backdrop-filter:saturate(1.6) blur(14px);border-bottom:1px solid var(--line)}
.hdr-in{display:flex;align-items:center;gap:36px;height:64px}
.brand{display:flex;align-items:center;gap:9px}
.brand-name{font-size:16px;font-weight:600;letter-spacing:-.01em}
.brand-sub{font-size:13px;color:var(--faint);font-weight:500}
.nav{display:flex;align-items:center;gap:26px}
.nav a{font-size:14px;color:var(--muted);transition:color .15s}
.nav a:hover,.nav a[aria-current="page"]{color:var(--ink)}
.hdr-right{display:flex;align-items:center;gap:14px;margin-left:auto}
.lang{display:flex;gap:2px;border-radius:999px;padding:3px;box-shadow:inset 0 0 0 1px var(--line)}
.lang a{padding:5px 11px;border-radius:999px;font-size:12.5px;font-weight:500;color:var(--muted)}
.lang a:hover{color:var(--ink)}
.lang a[aria-current="page"]{background:var(--ink);color:#fff}

/* ---------- logo mark ---------- */
.mark-icon{display:block;flex:none}

/* ---------- page head ---------- */
.lg-head{padding-top:72px}
.hero-badge{display:inline-flex;align-items:center;gap:9px;border-radius:999px;padding:6px 14px 6px 12px;font-size:13px;font-weight:500;color:var(--ink2);box-shadow:inset 0 0 0 1px var(--line);background:var(--surface);margin-bottom:26px}
.hero-badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 3px rgba(29,99,200,.16)}
.lg-head h1{font-size:clamp(34px,4.6vw,56px);line-height:1.14;font-weight:500;letter-spacing:-.035em;text-wrap:balance}
:lang(th) .lg-head h1{line-height:1.28;letter-spacing:-.02em}
.lg-lead{margin-top:18px;font-size:18px;line-height:1.7;color:var(--muted);max-width:640px}
.lg-date{margin-top:12px;font-size:13px;color:var(--faint)}
.lg-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-top:34px}
.lg-tabs a{padding:8px 16px;border-radius:999px;font-size:14px;font-weight:500;color:var(--ink2);box-shadow:inset 0 0 0 1px var(--line);transition:background .2s}
.lg-tabs a:hover{background:rgba(22,24,29,.04)}
.lg-tabs a[aria-current="page"]{background:var(--ink);color:#fff;box-shadow:none}
.lg-notice{margin-top:28px;max-width:820px;background:var(--gold-bg);color:var(--gold-ink);border-radius:18px;padding:18px 22px;font-size:14.5px;line-height:1.75}

/* ---------- contents + document ---------- */
.lg-split{display:grid;grid-template-columns:260px minmax(0,1fr);gap:64px;align-items:start;margin-top:64px;padding-top:56px;padding-bottom:96px;border-top:1px solid var(--line2)}
.lg-toc{position:sticky;top:96px}
.lg-toc h2{font-size:13px;font-weight:500;color:var(--faint);margin-bottom:8px}
.lg-toc ol{list-style:none;padding:0;counter-reset:toc}
.lg-toc li{counter-increment:toc}
.lg-toc a{display:flex;gap:10px;padding:6px 0;font-size:14px;line-height:1.6;color:var(--muted);transition:color .15s}
.lg-toc a::before{content:counter(toc);flex:none;width:18px;color:var(--faint);font-variant-numeric:tabular-nums}
.lg-toc a:hover{color:var(--ink)}

.lg-doc{max-width:720px}
.lg-doc section{padding:28px 0;border-bottom:1px solid var(--line);scroll-margin-top:72px}
.lg-doc section:first-child{padding-top:0}
.lg-doc h2{display:flex;gap:12px;font-size:20px;font-weight:500;letter-spacing:-.01em;line-height:1.45}
.lg-doc h2 .num{flex:none;color:var(--faint);font-variant-numeric:tabular-nums}
.lg-doc p,.lg-doc ul{margin:12px 0 0;font-size:15.5px;line-height:1.8;color:var(--ink2);overflow-wrap:anywhere}
.lg-doc ul{padding-left:22px}
.lg-doc li{margin-top:6px;padding-left:4px}
.lg-doc li::marker{color:var(--faint)}
:lang(th) .lg-doc p,:lang(th) .lg-doc ul{line-height:1.95}
.lg-doc p a,.lg-doc li a,.lg-contact a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
.lg-doc p a:hover,.lg-doc li a:hover,.lg-contact a:hover{color:var(--blue-hover)}
.lg-shot{margin:22px 0 4px}
.lg-shot img{display:block;width:100%;max-width:300px;height:auto;border-radius:20px;box-shadow:0 0 0 1px var(--line),0 14px 32px rgba(22,24,29,.07)}
.lg-contact{margin-top:32px;background:var(--blue-50);border-radius:20px;padding:22px 24px;font-size:15px;line-height:1.75;color:var(--ink2);overflow-wrap:anywhere}

/* ---------- footer ---------- */
.footer{padding:72px 0 40px;border-top:1px solid var(--line2)}
.footer-cols{display:flex;gap:40px;flex-wrap:wrap}
.footer-brand{flex:1.6;min-width:240px}
.footer-tag{font-size:14px;color:var(--muted);line-height:1.75;margin-top:14px;max-width:300px}
.footer-col{flex:1;min-width:140px}
.footer-col h4{font-size:13px;font-weight:500;color:var(--faint);margin-bottom:8px}
.footer-col a,.footer-col span{display:block;font-size:14px;color:var(--ink2);margin-top:10px}
.footer-col a:hover{color:var(--blue)}
.footer-col a[aria-current="page"]{color:var(--blue)}
.footer-bar{border-top:1px solid var(--line);margin-top:56px;padding-top:22px;display:flex;justify-content:space-between;gap:6px 20px;flex-wrap:wrap}
.footer-bar span,.footer-disc{font-size:12.5px;color:var(--faint)}
.footer-disc{margin-top:8px;line-height:1.7}

@media (max-width:900px){
  .nav{display:none}
  .lg-split{grid-template-columns:1fr;gap:32px;margin-top:48px;padding-top:40px;padding-bottom:72px}
  .lg-toc{position:static;background:var(--panel);border-radius:18px;padding:18px 20px}
}
@media (max-width:720px){
  .wrap{padding-left:20px;padding-right:20px}
  .hdr-in{gap:10px;height:58px}
  .hdr-right{gap:8px}
  .brand-sub{display:none}
  .lg-head{padding-top:48px}
  .lg-lead{font-size:16.5px}
  .lg-doc h2{font-size:18px}
  .footer{padding-top:56px}
}

/* ---------- tables and questions (i18n/tools.mjs) ---------- */
.lg-table{margin:16px 0 4px;overflow-x:auto;border-radius:16px;box-shadow:inset 0 0 0 1px var(--line)}
.lg-table table{width:100%;border-collapse:collapse;font-size:14.5px;line-height:1.6;font-variant-numeric:tabular-nums}
.lg-table th,.lg-table td{padding:11px 16px;text-align:left;vertical-align:top}
.lg-table th{font-weight:500;color:var(--muted);background:var(--panel)}
.lg-table td{color:var(--ink2);border-top:1px solid var(--line)}
.lg-doc h3{margin:22px 0 0;font-size:16px;font-weight:600;line-height:1.6}
.lg-doc h3+p{margin-top:4px}

/* ---------- hub (/learn/) ---------- */
.hub{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:48px}
.hub-note{margin-top:48px;padding-bottom:96px}
.hub-note p{max-width:720px;font-size:15.5px;line-height:1.8;color:var(--ink2)}
.hub-note p+p{margin-top:12px}
:lang(th) .hub-note p{line-height:1.95}
.hub-card{display:flex;flex-direction:column;padding:26px;background:var(--surface);border-radius:22px;box-shadow:0 0 0 1px var(--line);transition:box-shadow .2s,transform .2s var(--ease)}
.hub-card:hover{box-shadow:0 0 0 1px var(--line),0 14px 32px rgba(22,24,29,.08);transform:translateY(-2px)}
.hub-kind{align-self:flex-start;padding:3px 10px;border-radius:999px;background:var(--blue-50);color:var(--blue-deep);font-size:12.5px;font-weight:500}
.hub-card h2{margin-top:16px;font-size:19px;font-weight:500;letter-spacing:-.01em;line-height:1.45}
:lang(th) .hub-card h2{line-height:1.6}
.hub-card p{margin-top:8px;font-size:14.5px;line-height:1.75;color:var(--muted)}
@media (max-width:900px){.hub{grid-template-columns:1fr;gap:14px;margin-top:36px}.hub-note{margin-top:36px;padding-bottom:72px}}
@media (prefers-reduced-motion:reduce){.hub-card:hover{transform:none}}

/* ---------- calculator (/wht-calculator/, behaviour in wht-calc.js) ---------- */
[hidden]{display:none !important}
.calc{margin-top:44px}
.calc-card{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);max-width:940px;background:var(--surface);border-radius:24px;overflow:hidden;box-shadow:0 0 0 1px var(--line),0 14px 32px rgba(22,24,29,.07)}
.calc-in{display:grid;gap:22px;align-content:start;padding:28px}
.calc-out{display:flex;flex-direction:column;padding:28px;background:var(--panel)}
.calc fieldset{border:0;margin:0;padding:0;min-width:0}
.calc legend,.calc-label{display:block;padding:0;margin-bottom:8px;font-size:13px;font-weight:500;color:var(--muted)}
.calc-chips{display:flex;flex-wrap:wrap;gap:8px}
.calc-chips label{position:relative}
.calc-chips input{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:pointer}
.calc-chips span{display:block;padding:8px 14px;border-radius:999px;font-size:14px;color:var(--ink2);box-shadow:inset 0 0 0 1px var(--line);transition:background .2s}
.calc-chips b{font-weight:600}
.calc-chips input:hover+span{background:rgba(22,24,29,.04)}
.calc-chips input:checked+span{background:var(--ink);color:#fff;box-shadow:none}
.calc-chips input:focus-visible+span{outline:2px solid var(--blue);outline-offset:3px}
.calc-chips input:disabled{cursor:default}
.calc-chips input:disabled+span{opacity:.38;background:none}
.calc-amount{display:block;width:100%;padding:12px 16px;border:0;border-radius:14px;background:var(--bg);box-shadow:inset 0 0 0 1px var(--line);font:inherit;font-size:26px;font-weight:500;letter-spacing:-.01em;color:var(--ink);font-variant-numeric:tabular-nums}
.calc-amount:focus{outline:2px solid var(--blue);outline-offset:1px}
.calc-invalid{margin-top:8px;font-size:13px;color:#B4231F}
.calc-row{display:flex;justify-content:space-between;align-items:baseline;gap:16px;padding:12px 0;font-size:15px;color:var(--ink2);font-variant-numeric:tabular-nums}
.calc-row+.calc-row{border-top:1px solid var(--line)}
.calc-row span:last-child,.calc-row b:last-child{white-space:nowrap}
.calc-neg{color:#B4231F}
.calc-net{padding-top:16px;color:var(--ink)}
.calc-net b{font-weight:600}
.calc-net b:last-child{font-size:26px;letter-spacing:-.01em}
.calc-cta{margin-top:auto;padding:13px 22px;font-size:15px;white-space:normal;text-align:center}
.calc-out>div{margin-bottom:24px}
.calc-sub{margin-top:10px;font-size:12.5px;line-height:1.7;color:var(--muted)}
.calc+.lg-split{margin-top:56px}
/* QR generator (/promptpay-qr/, behaviour in promptpay-qr.js): the calculator's card with a QR in the result column */
.qr-box{display:flex;align-items:center;justify-content:center;min-height:260px;padding:14px;border-radius:18px;background:var(--surface);box-shadow:inset 0 0 0 1px var(--line)}
.qr-box img{display:block;width:100%;max-width:250px;height:auto}
.qr-empty{max-width:200px;font-size:14px;line-height:1.7;color:var(--muted);text-align:center}
.qr-save{align-self:stretch;padding:12px 22px;font-size:15px;color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink)}
.qr-save:hover{background:rgba(22,24,29,.05)}
.qr-save+.calc-sub{margin-bottom:22px}
.qr-box [hidden],.qr-save[hidden]{display:none}
@media (max-width:820px){
  .calc-card{grid-template-columns:1fr}
}
@media (max-width:720px){
  .calc{margin-top:32px}
  .calc-in,.calc-out{padding:22px 20px}
}