/* Twelve Systems — premium layer (21 Oct 2026)
   Loaded last on index.html and payment.html. Remove this file and its <link> to return to the previous look.
   Colour 60-30-10: white / #f5f5f7 surfaces · ink #1d1d1f + navy #0D47A1 structure · blue accents (#2196F3) for focus and small highlights.
   Type: Apple system fonts first (SF Pro for Latin, Sukhumvit Set for Thai on Apple devices), bundled Noto Sans Thai elsewhere. */

:root{
  --p-white:#fff;--p-gray:#f5f5f7;--p-ink:#1d1d1f;--p-ink-2:#424245;--p-muted:#6e6e73;--p-line:#e3e3e8;
  --p-navy:#0d47a1;--p-navy-hover:#0b3c8a;--p-blue:#2196f3;--p-ice:#e3f2fd;--p-sky:#90caf9;
  --p-radius-lg:28px;--p-radius:20px;--p-radius-sm:14px;--p-pill:980px;
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display","Sukhumvit Set",ThaiSystem,"Segoe UI","Helvetica Neue","Leelawadee UI",Arial,sans-serif;
  --p-display:-apple-system,BlinkMacSystemFont,"SF Pro Display","Sukhumvit Set",ThaiSystem,"Helvetica Neue",Arial,sans-serif;
}
html[data-lang="zh"]{--font:-apple-system,BlinkMacSystemFont,"SF Pro Text","PingFang SC","Microsoft YaHei",sans-serif;--p-display:-apple-system,BlinkMacSystemFont,"SF Pro Display","PingFang SC","Microsoft YaHei",sans-serif}
html[data-lang="lo"]{--font:-apple-system,BlinkMacSystemFont,"Lao Sangam MN","Noto Sans Lao","Sukhumvit Set",ThaiSystem,sans-serif;--p-display:var(--font)}

body{font-family:var(--font);color:var(--p-ink);font-weight:400;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;font-feature-settings:"kern"}
h1,h2,h3,.wordmark,.contact-title{font-family:var(--p-display)}
p{color:var(--p-muted)}
:where(a,button,select,input,textarea,summary):focus-visible{outline:2px solid var(--p-blue);outline-offset:3px}

/* ---------- Buttons: one shape, three roles ---------- */
.button,.nav-contact,.catalog-links a,.action-button,.service-link,.portfolio-grid .portfolio-body>a,.company-info>a,.inquiry-form .button{
  background-image:none!important;box-shadow:none!important;transform:none!important;border-radius:var(--p-pill)!important;
  font-family:var(--font)!important;font-weight:500!important;letter-spacing:0;transition:background-color .2s,color .2s,border-color .2s}
/* Primary — navy, white text (AA contrast) */
.button,.nav-contact,.catalog-links a:first-child{background:var(--p-navy)!important;color:#fff!important;border:1px solid var(--p-navy)!important}
.button:hover,.nav-contact:hover,.catalog-links a:first-child:hover{background:var(--p-navy-hover)!important;border-color:var(--p-navy-hover)!important}
/* Secondary — quiet gray fill, navy text */
.action-button,.service-link,.catalog-links a:not(:first-child),.portfolio-grid .portfolio-body>a,.company-info>a{
  background:var(--p-gray)!important;color:var(--p-navy)!important;border:1px solid transparent!important}
.action-button:hover,.service-link:hover,.catalog-links a:not(:first-child):hover,.portfolio-grid .portfolio-body>a:hover,.company-info>a:hover{background:#e8e8ed!important;color:var(--p-navy)!important;border-color:transparent!important;text-decoration:none}
.button{min-height:48px;padding:12px 26px!important;font-size:17px!important}
.action-button{min-height:48px;padding:12px 24px!important;font-size:17px!important}
.button:active,.action-button:active,.catalog-links a:active{opacity:.85}

/* ---------- Header ---------- */
.header{height:64px;background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid rgba(0,0,0,.06)}
.header .wordmark{font-weight:600;letter-spacing:-.03em}
@media(min-width:1001px){
  .header nav{gap:4px!important;font-size:14px!important}
  .header nav>a{border:0!important;background:transparent!important;color:var(--p-ink-2)!important;padding:8px 14px!important;border-radius:var(--p-pill)!important;font-weight:400;transition:color .2s,background-color .2s}
  .header nav>a:hover{color:var(--p-ink)!important;background:var(--p-gray)!important}
  .header nav>a[aria-current="true"]{color:var(--p-ink)!important;background:var(--p-gray)!important}
  .header nav>a.nav-payment{background:var(--p-ice)!important;color:var(--p-navy)!important;font-weight:500;margin-left:6px}
  .header nav>a.nav-payment:hover{background:#d3e9fb!important}
}
.nav-contact{font-size:14px!important;padding:8px 18px!important;white-space:nowrap}
.header .nav-actions #language{border-radius:var(--p-pill);background-color:var(--p-gray);border-color:transparent;color:var(--p-ink-2);font-family:var(--font)}
.header .nav-actions #language:hover{background-color:#e8e8ed;border-color:transparent}

/* ---------- Type scale ---------- */
.section-label,.eyebrow{font-size:17px!important;font-weight:600!important;color:var(--p-navy)!important;letter-spacing:0!important;text-transform:none}
.business-hero .eyebrow{font-size:19px!important;color:var(--p-muted)!important;font-weight:500!important}
.business-hero h1{font-size:clamp(44px,6.4vw,80px)!important;font-weight:700!important;line-height:1.14!important;letter-spacing:-.025em!important}
html[data-lang="th"] .business-hero h1,html[data-lang="lo"] .business-hero h1{line-height:1.22!important}
.business-hero h1 .hero-line.blue{color:var(--p-navy)!important}
.business-hero .hero-description{font-size:21px!important;line-height:1.6!important;color:var(--p-muted)!important;max-width:34em!important;font-weight:400}
.business-hero .actions{gap:14px;margin-top:36px}
.section-heading h2,.about h2,.portfolio-section h2,.integration h2,.clients h2{font-size:clamp(34px,4.4vw,56px)!important;font-weight:700!important;line-height:1.15!important;letter-spacing:-.02em!important;color:var(--p-ink)}
html[data-lang="th"] .section-heading h2,html[data-lang="th"] .about h2,html[data-lang="th"] .portfolio-section h2,html[data-lang="th"] .integration h2,html[data-lang="th"] .clients h2{line-height:1.25!important}
.section-heading>p,.section-description{font-size:19px!important;line-height:1.6!important;color:var(--p-muted)!important;font-weight:400}
h3{letter-spacing:-.015em}

/* ---------- Hero ---------- */
.business-hero{padding-top:clamp(64px,9vw,120px)!important}
.visual-note{font-size:14px;color:var(--p-muted)}
.company-browser,.business-device{box-shadow:0 30px 80px rgba(0,0,0,.10)!important}

/* ---------- Sections: alternate white and Apple gray ---------- */
.clients{background:var(--p-white)!important}
.intro#services{background:var(--p-gray)!important}
.showcase.demo-section{background:var(--p-white)!important}
.integration{background:var(--p-gray)!important}
.portfolio-section{background:var(--p-white)!important}
.process{background:var(--p-gray)!important}
.about{background:var(--p-white)!important}
.contact{background:var(--p-gray)!important}
footer{background:var(--p-white)!important;border-top:1px solid var(--p-line)}

/* Clients */
.pause-control{border-radius:50%;background:var(--p-gray);border-color:transparent;color:var(--p-ink-2)}

/* Services — topics are not a sequence, so the 01–04 badges go */
.four-services article{background:var(--p-white)!important;border:0!important;border-radius:var(--p-radius-lg)!important;box-shadow:none!important;padding:40px 40px 36px!important;transform:none!important;display:flex;flex-direction:column}
.four-services article>span{display:none!important}
.four-services h3{margin:0 0 12px!important;font-size:28px!important;font-weight:600!important;line-height:1.3}
.four-services p{font-size:17px!important;line-height:1.6!important;color:var(--p-muted)}
.four-services .service-link{margin-top:auto!important;padding-top:0}
.four-services article>p{margin-bottom:28px}

/* Demo catalog */
.demo-filters button,.work-filters button{background:transparent!important;border:1px solid var(--p-line)!important;color:var(--p-ink-2)!important;border-radius:var(--p-pill)!important;font-family:var(--font);font-weight:400;font-size:15px}
.demo-filters button:hover,.work-filters button:hover{border-color:#c7c7cc!important}
.demo-filters button[aria-pressed=true],.work-filters button[aria-pressed=true]{background:var(--p-ink)!important;border-color:var(--p-ink)!important;color:#fff!important}
.work-filters button .filter-count{background:var(--p-gray)!important;color:var(--p-muted)!important;border-radius:var(--p-pill)}
.work-filters button[aria-pressed=true] .filter-count{background:rgba(255,255,255,.18)!important;color:#fff!important}
.catalog-card{background:var(--p-gray)!important;border:0!important;border-radius:var(--p-radius-lg)!important;box-shadow:none!important;overflow:hidden}
.catalog-card .demo-art{background:#e8e8ed}
.catalog-info>span{font-size:14px!important;color:var(--p-navy)!important;font-weight:500}
.catalog-info h3{font-size:26px!important;font-weight:600!important;line-height:1.3!important;margin:6px 0 22px!important}
.catalog-links a{min-height:44px!important;font-size:15px!important}
.demo-catalog-note{color:var(--p-muted)}

/* Integration & payment cards */
.integration-layout>*{border:0!important;border-radius:var(--p-radius-lg)!important;box-shadow:none!important;background:var(--p-white)!important}
.connection-hub{background:var(--p-white)!important;box-shadow:0 0 0 8px var(--p-ice)!important;border-color:var(--p-sky)!important}
.connection-node{border-color:var(--p-line)!important;box-shadow:none!important;color:var(--p-ink-2)!important}
.credit-note{border-top-color:var(--p-line)!important}
.credit-note h3{color:var(--p-ink)!important;font-size:26px!important}
.credit-note p{font-size:17px!important;line-height:1.6!important;color:var(--p-muted)!important}
.credit-note small{color:var(--p-muted)!important;font-size:13px!important}

/* Portfolio */
.work-result{background:var(--p-gray)!important;border:0!important;color:var(--p-ink)!important;border-radius:var(--p-pill)!important}
.portfolio-grid .portfolio-card{border:0!important;background:var(--p-gray)!important;border-radius:var(--p-radius)!important;box-shadow:none!important;transform:none!important}
.portfolio-image{background:#e8e8ed}
.portfolio-grid .portfolio-body h3{font-weight:600!important;font-family:var(--p-display)!important}
.work-category{color:var(--p-navy)!important;font-weight:500}
.work-pagination button{border-radius:var(--p-pill)}
.work-pagination button[aria-current="page"]{background:var(--p-ink)!important;color:#fff!important;border-color:var(--p-ink)!important}

/* Process — this one really is a sequence, numbers stay */
.process-list article{background:var(--p-white)!important;border:0!important;border-radius:var(--p-radius-lg)!important;padding:34px!important}
.process-list article>span{background:transparent!important;color:var(--p-navy)!important;min-width:auto!important;height:auto!important;font:600 34px/1 var(--p-display)!important;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.process-list h3{font-size:24px!important;font-weight:600!important;margin-top:2px!important}
.process-list p{font-size:17px!important;line-height:1.6!important}

/* About */
.about-layout>div:first-child{background:var(--p-gray)!important;border:0!important;border-radius:var(--p-radius-lg)!important}
.about-layout>div:first-child>p:not(.section-label){font-size:17px!important;line-height:1.75!important}
.company-card{border-radius:var(--p-radius-lg)!important;border:1px solid var(--p-line)!important;box-shadow:none!important;background:var(--p-white)!important}
.company-info{border:0!important;box-shadow:none!important;background:transparent!important;padding:0!important;border-radius:0!important}
.company-registration strong{font-variant-numeric:tabular-nums;letter-spacing:.02em}

/* Contact */
.contact .contact-title{font-weight:700!important;letter-spacing:-.02em!important;line-height:1.3!important}
html[data-lang="th"] .contact .contact-title{line-height:1.4!important}
.contact .contact-title>span:first-child{color:var(--p-muted)!important;font-weight:500!important}
.contact .contact-title>span:last-child{color:var(--p-ink)!important}
.contact p:not(.section-label){color:var(--p-muted)!important;font-size:19px!important}
.inquiry-details{border:0!important;border-radius:var(--p-radius-lg)!important;box-shadow:0 1px 2px rgba(0,0,0,.04),0 18px 50px rgba(0,0,0,.05)!important;background:var(--p-white)!important;text-align:left}
.inquiry-form{border:0!important;box-shadow:none!important;background:transparent!important}
.inquiry-details h3{font-weight:600;font-size:24px}
.inquiry-form label{color:var(--p-ink-2);font-size:15px}
.inquiry-form input,.inquiry-form select,.inquiry-form textarea{background:var(--p-white)!important;border:1px solid #d2d2d7!important;border-radius:12px!important;min-height:48px;font-family:var(--font);font-size:17px;color:var(--p-ink)}
.inquiry-form input:focus,.inquiry-form select:focus,.inquiry-form textarea:focus{border-color:var(--p-blue)!important;outline:3px solid rgba(33,150,243,.18)!important;outline-offset:0}
.inquiry-form .button{width:100%;margin-top:6px}
.required-mark{color:#d70015!important}
.inquiry-details.is-highlighted{animation:p-form-ping 1.2s ease-out 1}
@keyframes p-form-ping{0%{box-shadow:0 0 0 0 rgba(33,150,243,.35)}100%{box-shadow:0 0 0 18px rgba(33,150,243,0)}}

/* Footer — quiet text links, equal widths kept */
footer .footer-grid h3{font-size:13px!important;font-weight:600!important;color:var(--p-ink)!important}
footer .footer-grid>div:nth-child(2)>a,footer .footer-grid>div:nth-child(3)>a{background:var(--p-gray)!important;border:0!important;box-shadow:none!important;color:var(--p-ink-2)!important;border-radius:12px!important;font-size:14px!important;transform:none!important}
footer .footer-grid>div:nth-child(2)>a:hover,footer .footer-grid>div:nth-child(3)>a:hover{background:#e8e8ed!important;color:var(--p-ink)!important}
footer .footer-grid p{color:var(--p-muted)}
.policy-footer-nav a{color:var(--p-muted)!important}
.policy-footer-nav a:hover{color:var(--p-ink)!important}
.footer-bottom{color:var(--p-muted)}

/* Support mascot & cookie banner sit above the app bar on phones */
.support-pill{font-family:var(--font);font-weight:500}

/* ---------- Mobile app bar ---------- */
.app-bar{display:none}
@media(max-width:720px){
  body{padding-bottom:calc(74px + env(safe-area-inset-bottom))}
  .app-bar{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));position:fixed;left:0;right:0;bottom:0;z-index:70;
    padding:6px 6px calc(6px + env(safe-area-inset-bottom));background:rgba(255,255,255,.88);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-top:1px solid rgba(0,0,0,.08)}
  .app-bar a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;min-height:52px;padding:4px 2px;border-radius:12px;color:#8e8e93;font:500 10px/1.25 var(--font);text-align:center;text-decoration:none;-webkit-tap-highlight-color:transparent}
  .app-bar a span{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .app-bar svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
  .app-bar a[aria-current="true"]{color:var(--p-navy)}
  .app-bar a[aria-current="true"] svg{stroke-width:1.9}
  .app-bar a:active{background:var(--p-gray)}
  .support-widget{bottom:calc(82px + env(safe-area-inset-bottom))!important;right:8px!important}
  .support-toggle{max-width:110px!important}
  .support-toggle>img{width:62px!important;height:62px!important}
  .support-pill{font-size:10px!important;padding:4px 9px!important;white-space:nowrap}
  .cookie-banner{bottom:calc(80px + env(safe-area-inset-bottom))!important}
  .header{height:56px}
  .business-hero .eyebrow{font-size:15px!important}
  .business-hero h1{font-size:clamp(36px,10.5vw,46px)!important}
  .business-hero .hero-description{font-size:17px!important}
  .section-label,.eyebrow{font-size:15px!important}
  .section-heading h2,.about h2,.portfolio-section h2,.integration h2,.clients h2{font-size:clamp(30px,8.6vw,38px)!important}
  .section-heading>p,.section-description{font-size:17px!important}
  .button,.action-button{font-size:16px!important;min-height:46px;padding:11px 22px!important}
  .four-services article{padding:28px 24px 26px!important;border-radius:var(--p-radius)!important}
  .four-services h3{font-size:22px!important}
  .four-services p{font-size:16px!important}
  .catalog-card{border-radius:var(--p-radius)!important}
  .catalog-info h3{font-size:21px!important;margin-bottom:16px!important}
  .catalog-links a{font-size:14px!important}
  .demo-filters button,.work-filters button{font-size:13px}
  .process-list article{padding:24px 22px!important;border-radius:var(--p-radius)!important}
  .process-list article>span{font-size:26px!important}
  .process-list h3{font-size:20px!important}
  .process-list p{font-size:16px!important}
  .contact p:not(.section-label){font-size:16px!important}
  .inquiry-details{border-radius:var(--p-radius)!important}
  .about-layout>div:first-child>p:not(.section-label){font-size:16px!important}
  .credit-note h3{font-size:22px!important}
  .credit-note p{font-size:15px!important}
  /* Portfolio keeps the approved 3-column / 9-per-page phone grid */
  .portfolio-grid .portfolio-card{border-radius:14px!important}
  .portfolio-grid .portfolio-body>a{border-radius:10px!important;font-size:11px!important}
}
@media(max-width:360px){.app-bar a{font-size:9px}.app-bar svg{width:22px;height:22px}}
@media(prefers-reduced-motion:reduce){.inquiry-details.is-highlighted{animation:none}.header nav>a,.button,.action-button{transition:none}}

/* ---------- Payment page ---------- */
.payment-layout,.site-header,.site-footer{font-family:var(--font)}
.site-header .wordmark{font-weight:600;letter-spacing:-.03em}
.site-header .back-link{display:inline-flex;align-items:center;min-height:36px;padding:8px 16px;border-radius:var(--p-pill);background:var(--p-gray);color:var(--p-ink-2);font-size:14px;font-weight:500}
.site-header .back-link:hover{background:#e8e8ed;color:var(--p-ink)}
.payment-layout .intro .eyebrow{font-size:17px!important}
.payment-layout h1{font-weight:700!important;letter-spacing:-.025em!important;line-height:1.2!important}
.payment-layout h1 span{color:var(--p-navy)}
.payment-layout .intro-copy{font-size:19px;line-height:1.6;color:var(--p-muted)}
.payment-layout .steps-card{background:var(--p-gray)!important;border:0!important;border-radius:var(--p-radius-lg)!important;box-shadow:none!important}
.payment-layout .steps-card h2{font-weight:600}
.payment-layout .checkout-card{border:0!important;border-radius:var(--p-radius-lg)!important;box-shadow:0 2px 6px rgba(0,0,0,.04),0 24px 60px rgba(0,0,0,.07)!important}
.payment-layout .checkout-card h2{font-weight:600;letter-spacing:-.02em}
.payment-layout .amount-section{background:var(--p-gray)!important;border:0!important;border-radius:var(--p-radius)!important}
.payment-layout .amount-wrap input{font-family:var(--p-display);font-weight:600;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.payment-layout .field input{border-radius:12px!important;border-color:#d2d2d7!important;min-height:50px;font-size:17px;font-family:var(--font)}
.payment-layout .field input:focus{border-color:var(--p-blue)!important;outline:3px solid rgba(33,150,243,.18)!important;outline-offset:0}
.payment-layout #payButton,.payment-layout #checkStatus{border-radius:var(--p-pill)!important;background:var(--p-navy)!important;background-image:none!important;min-height:52px;font-size:17px;font-weight:500;font-family:var(--font);box-shadow:none!important}
.payment-layout #payButton:hover,.payment-layout #checkStatus:hover{background:var(--p-navy-hover)!important}
.payment-layout .result-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:14px}
.payment-layout .copy-ref{display:inline-flex;align-items:center;justify-content:center;flex:1 1 200px;text-decoration:none!important;border:0;border-radius:var(--p-pill);background:var(--p-gray);color:var(--p-navy);font:500 15px/1 var(--font);min-height:44px;padding:12px 20px;cursor:pointer}
.payment-layout .copy-ref:hover{background:#e8e8ed}
.payment-layout .copy-ref[hidden]{display:none}
.payment-layout .new-payment{color:var(--p-navy)}
.payment-layout .currency-pill{border-radius:var(--p-pill)}
@media(max-width:720px){.site-header .back-link{font-size:13px;padding:7px 13px}.payment-layout .intro-copy{font-size:17px}}
/* Secondary buttons sitting on gray cards switch to white so they still read as buttons */
.catalog-card .catalog-links a:not(:first-child),.portfolio-grid .portfolio-body>a{background:var(--p-white)!important}
.catalog-card .catalog-links a:not(:first-child):hover,.portfolio-grid .portfolio-body>a:hover{background:#ececf0!important}
/* Secondary buttons on gray sections */
.contact .action-button,.about-layout>div:first-child .action-button{background:var(--p-white)!important}
.contact .action-button:hover,.about-layout>div:first-child .action-button:hover{background:#ececf0!important}

/* ---------- Thai / Lao heading spacing (22 Oct 2026) ----------
   Thai and Lao have tone marks above and vowels below the line, so headings need more
   line-height than Latin text or the lines touch. Sizes are also capped a little lower. */
.business-hero h1{font-size:clamp(40px,5.6vw,68px)!important}
.section-heading h2,.about h2,.portfolio-section h2,.integration h2,.clients h2{font-size:clamp(32px,3.9vw,48px)!important}
html:is([data-lang="th"],[data-lang="lo"],[lang^="th"]:not([data-lang]),[lang^="lo"]:not([data-lang])) :is(h1,h2){line-height:1.42!important;letter-spacing:-.01em!important}
html:is([data-lang="th"],[data-lang="lo"],[lang^="th"]:not([data-lang]),[lang^="lo"]:not([data-lang])) .business-hero h1{line-height:1.38!important}
html:is([data-lang="th"],[data-lang="lo"],[lang^="th"]:not([data-lang]),[lang^="lo"]:not([data-lang])) .business-hero h1 .hero-line{padding-top:.04em}
html:is([data-lang="th"],[data-lang="lo"],[lang^="th"]:not([data-lang]),[lang^="lo"]:not([data-lang])) :is(h3,.contact .contact-title){line-height:1.5!important}
@media(max-width:720px){
  .business-hero h1{font-size:clamp(32px,9vw,42px)!important}
  .section-heading h2,.about h2,.portfolio-section h2,.integration h2,.clients h2{font-size:clamp(27px,7.6vw,34px)!important}
}

/* Preserve the owner's selected payment action colour. */
.payment-layout #payButton{background:#06c755!important;color:#fff!important}
.payment-layout #payButton:hover:not(:disabled){background:#05b34c!important}
.payment-layout #payButton:focus-visible{outline-color:#06c755}