:root{
  --ink:#0b1b31;--ink-2:#13294a;--ink-soft:#3c4a5e;--muted:#5d6b7e;
  --paper:#f6f8fb;--card:#ffffff;--line:#dfe5ee;--ice:#e8f2fc;
  --blue:#1a6fd1;--blue-d:#1559a8;--frost:#9fd0ff;
  --line-green:#06c755;--line-green-d:#05a447;
  --ok:#14804a;--warn:#b4530a;
  --r:14px;--r-sm:10px;
  --shadow:0 1px 2px rgba(11,27,49,.06),0 6px 24px rgba(11,27,49,.06);
  --font-d:'Anuphan',system-ui,sans-serif;--font-b:'IBM Plex Sans Thai',system-ui,sans-serif;
  --wrap:1160px;
  --t-xs:.8125rem;--t-sm:.9375rem;--t-base:1rem;--t-lg:clamp(1.125rem,1rem + .5vw,1.3rem);
  --t-xl:clamp(1.5rem,1.2rem + 1.3vw,2.1rem);--t-hero:clamp(2rem,1.4rem + 3vw,3.4rem);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font-b);font-size:var(--t-base);line-height:1.7;color:var(--ink);background:var(--paper);text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-decoration-thickness:1px;text-underline-offset:3px}
h1,h2,h3{font-family:var(--font-d);line-height:1.3;margin:0 0 .5em;font-weight:700;letter-spacing:-.005em}
h1{font-size:var(--t-hero)}h2{font-size:var(--t-xl)}h3{font-size:var(--t-lg)}
p{margin:0 0 1em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;z-index:100;background:#fff;padding:8px 12px}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px;border-radius:6px}

/* header */
.top{background:var(--ink);color:#cfe0f5;font-size:var(--t-xs)}
.top .wrap{display:flex;gap:16px;justify-content:space-between;align-items:center;min-height:36px}
.top a{color:#fff;text-decoration:none;font-weight:600}
.status{display:inline-flex;align-items:center;gap:6px}
.status i{width:8px;height:8px;border-radius:50%;background:#7b8797;display:inline-block}
.status.open i{background:#35d07f;box-shadow:0 0 0 3px rgba(53,208,127,.25)}
header.site{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40}
header.site .wrap{display:flex;align-items:center;gap:20px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);margin-right:auto}
.brand img{width:44px;height:40px;border-radius:8px;object-fit:cover}
.brand b{font-family:var(--font-d);font-size:1.15rem;display:block;line-height:1.1}
.brand small{color:var(--muted);font-size:var(--t-xs);display:block;line-height:1.2}
nav.main ul{display:flex;gap:4px;list-style:none;margin:0;padding:0}
nav.main a{display:block;padding:8px 12px;border-radius:8px;color:var(--ink-soft);text-decoration:none;font-size:var(--t-sm);font-weight:600}
nav.main a:hover{background:var(--ice);color:var(--ink)}
nav.main a[aria-current=page]{color:var(--blue);background:var(--ice)}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:10px;padding:8px 12px;font:inherit;font-weight:600;color:var(--ink)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:10px 20px;border-radius:12px;font-family:var(--font-d);font-weight:700;font-size:1.02rem;text-decoration:none;border:0;cursor:pointer;transition:background .15s,transform .15s}
.btn:active{transform:translateY(1px)}
.btn svg{width:20px;height:20px;flex:none}
.btn-call{background:var(--blue);color:#fff}.btn-call:hover{background:var(--blue-d)}
.btn-line{background:var(--line-green);color:#fff}.btn-line:hover{background:var(--line-green-d)}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}.btn-ghost:hover{border-color:var(--ink)}
.btn-sm{min-height:40px;padding:6px 14px;font-size:.95rem}
.btns{display:flex;flex-wrap:wrap;gap:10px}

/* hero */
.hero{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;padding-top:56px;padding-bottom:56px}
.hero h1{color:#fff}
.hero h1 em{font-style:normal;color:var(--frost)}
.hero .lead{color:#c9d7ea;font-size:var(--t-lg);max-width:34em}
.kicker{display:inline-block;font-size:var(--t-xs);font-weight:600;letter-spacing:.04em;color:var(--frost);margin-bottom:12px}
.hero-photo{position:relative;border-radius:18px;overflow:hidden;aspect-ratio:4/5;max-height:560px;justify-self:end;width:100%;max-width:440px}
.hero-photo img{width:100%;height:100%;object-fit:cover}
.hero-photo figcaption{position:absolute;left:12px;bottom:12px;right:12px;background:rgba(11,27,49,.78);backdrop-filter:blur(6px);color:#fff;padding:10px 14px;border-radius:10px;font-size:var(--t-xs)}
.hero .btns{margin-top:24px}
.hero-facts{display:flex;flex-wrap:wrap;gap:8px 20px;margin:24px 0 0;padding:0;list-style:none;color:#c9d7ea;font-size:var(--t-sm)}
.hero-facts li::before{content:"✓";color:var(--frost);font-weight:700;margin-right:6px}

/* price strip */
.prices{margin-top:-1px;background:#fff;border-bottom:1px solid var(--line)}
.prices .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.price{padding:22px 18px;border-left:1px solid var(--line);text-decoration:none;color:inherit;display:block}
.price:first-child{border-left:0}
.price:hover{background:var(--ice)}
.price small{display:block;color:var(--muted);font-size:var(--t-xs);font-weight:600}
.price b{display:block;font-family:var(--font-d);font-size:1.6rem;line-height:1.2;color:var(--ink);margin:2px 0}
.price span{font-size:var(--t-xs);color:var(--ink-soft)}

/* sections */
section.block{padding:clamp(48px,7vw,88px) 0}
section.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.head{max-width:44em;margin-bottom:32px}
.head p{color:var(--ink-soft)}
.eyebrow{font-size:var(--t-xs);font-weight:600;color:var(--blue);letter-spacing:.04em;margin-bottom:6px;display:block}

/* service cards */
.svc{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.svc a.card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;text-decoration:none;color:inherit;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s}
.svc a.card:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(11,27,49,.12)}
.card .ph{aspect-ratio:4/3;overflow:hidden;background:var(--ice)}
.card .ph img{width:100%;height:100%;object-fit:cover}
.card .bd{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.card h3{margin-bottom:6px}
.card p{color:var(--ink-soft);font-size:var(--t-sm);flex:1}
.card .tag{display:flex;justify-content:space-between;align-items:baseline;border-top:1px dashed var(--line);padding-top:12px;margin-top:6px}
.card .tag b{font-family:var(--font-d);font-size:1.25rem}
.card .tag span{color:var(--blue);font-weight:600;font-size:var(--t-sm)}
.svc-mini{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:20px}
.mini{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;display:flex;gap:16px;align-items:flex-start}
.mini h3{font-size:1.08rem;margin-bottom:4px}.mini p{margin:0;color:var(--ink-soft);font-size:var(--t-sm)}
.ico{width:44px;height:44px;border-radius:12px;background:var(--ice);color:var(--blue);display:grid;place-items:center;flex:none}
.ico svg{width:22px;height:22px}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split.rev>:first-child{order:2}
.split .photo{border-radius:18px;overflow:hidden;aspect-ratio:4/3}
.split .photo img{width:100%;height:100%;object-fit:cover}
.checks{list-style:none;padding:0;margin:0 0 20px;display:grid;gap:10px}
.checks li{position:relative;padding-left:30px}
.checks li::before{content:"";position:absolute;left:0;top:.35em;width:20px;height:20px;border-radius:50%;background:var(--ice) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231a6fd1' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/12px no-repeat}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:8px}
.stat{background:var(--ice);border-radius:12px;padding:14px}
.stat b{font-family:var(--font-d);font-size:1.5rem;display:block;line-height:1.2}
.stat span{font-size:var(--t-xs);color:var(--ink-soft)}

/* areas */
.areas{display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:start}
.chips{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0 0 16px}
.chips li{background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-weight:600;font-size:var(--t-sm)}
.chips li.main{background:var(--ink);color:#fff;border-color:var(--ink)}
.note{background:#fff7ed;border:1px solid #fed7aa;color:#7c2d12;border-radius:12px;padding:14px 16px;font-size:var(--t-sm)}
.note b{display:block}

/* gallery */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.gallery figure{margin:0;border-radius:12px;overflow:hidden;background:var(--ice);position:relative}
.gallery figure img{width:100%;aspect-ratio:3/4;object-fit:cover}
.gallery figure.wide{grid-column:span 2}.gallery figure.wide img{aspect-ratio:auto;height:100%}
.gallery figcaption{position:absolute;inset:auto 0 0 0;padding:28px 12px 10px;background:linear-gradient(transparent,rgba(11,27,49,.85));color:#fff;font-size:var(--t-xs);line-height:1.45}
.gallery figcaption b{display:block;font-size:var(--t-sm)}
.gallery button{all:unset;cursor:zoom-in;display:block}

/* brands */
.brands{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.brands img{background:#fff;border:1px solid var(--line);border-radius:10px;padding:8px;width:100%;aspect-ratio:11/5;object-fit:contain}

/* faq */
.faq{max-width:820px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:10px}
.faq summary{cursor:pointer;padding:16px 48px 16px 18px;font-weight:600;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:18px;top:12px;font-size:1.4rem;color:var(--blue)}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 18px 16px;margin:0;color:var(--ink-soft)}

/* page hero (service) */
.phero{background:var(--ink);color:#fff;padding:20px 0 0}
.crumbs{font-size:var(--t-xs);color:#9fb3cc;margin-bottom:18px}
.crumbs a{color:#c9d7ea;text-decoration:none}.crumbs a:hover{text-decoration:underline}
.phero .grid{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:end;padding-bottom:40px}
.phero h1{color:#fff;font-size:clamp(1.8rem,1.3rem + 2.4vw,2.8rem)}
.phero p.lead{color:#c9d7ea;font-size:var(--t-lg)}
.ptable{background:#fff;color:var(--ink);border-radius:16px;padding:6px 20px;box-shadow:0 20px 40px rgba(0,0,0,.25)}
.ptable h2{font-size:1rem;color:var(--muted);margin:14px 0 4px;font-family:var(--font-b);font-weight:600}
.ptable table{width:100%;border-collapse:collapse}
.ptable td{padding:12px 0;border-top:1px solid var(--line);vertical-align:top}
.ptable tr:first-child td{border-top:0}
.ptable td:last-child{text-align:right;font-family:var(--font-d);font-weight:700;white-space:nowrap;padding-left:12px}
.ptable td small{display:block;color:var(--muted);font-size:var(--t-xs);font-family:var(--font-b);font-weight:400}
.ptable .foot{font-size:var(--t-xs);color:var(--muted);border-top:1px solid var(--line);padding:10px 0 12px}
.area-line{display:flex;flex-wrap:wrap;gap:6px 8px;margin-top:16px;font-size:var(--t-sm);color:#c9d7ea;align-items:center}
.area-line span{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:999px;padding:2px 10px;color:#fff}

.steps{counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;list-style:none;padding:0;margin:0}
.steps li{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px;position:relative}
.steps li::before{counter-increment:s;content:counter(s);font-family:var(--font-d);font-weight:700;width:32px;height:32px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;margin-bottom:10px}
.steps b{display:block;margin-bottom:4px}.steps span{color:var(--ink-soft);font-size:var(--t-sm)}

.feature{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.fcard{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px}
.fcard h3{margin-bottom:6px}.fcard .pr{font-family:var(--font-d);font-weight:700;color:var(--blue);margin-bottom:10px}
.fcard ul{margin:0;padding-left:1.2em;color:var(--ink-soft);font-size:var(--t-sm)}

/* cta band */
.cta{background:linear-gradient(135deg,var(--ink),var(--ink-2));color:#fff;border-radius:20px;padding:clamp(28px,4vw,48px);display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}
.cta h2{color:#fff;margin-bottom:6px}.cta p{color:#c9d7ea;margin:0}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.info{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px}
.info dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:12px 20px}
.info dt{color:var(--muted);font-size:var(--t-sm)}.info dd{margin:0;font-weight:600}
.qr{display:flex;gap:20px;align-items:center}
.qr img{width:160px;height:160px;border-radius:12px;border:1px solid var(--line)}
.map{border-radius:var(--r);overflow:hidden;border:1px solid var(--line);background:var(--ice);aspect-ratio:16/10;display:grid;place-items:center;text-align:center;padding:20px}
.map iframe{width:100%;height:100%;border:0}

/* footer */
footer.site{background:var(--ink);color:#b6c5d9;padding:48px 0 110px;margin-top:0;font-size:var(--t-sm)}
footer.site .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}
footer.site h3{color:#fff;font-size:1rem;margin-bottom:10px}
footer.site a{color:#fff;text-decoration:none}footer.site a:hover{text-decoration:underline}
footer.site ul{list-style:none;padding:0;margin:0;display:grid;gap:6px}
footer.site .legal{border-top:1px solid rgba(255,255,255,.1);margin-top:32px;padding-top:16px;font-size:var(--t-xs);color:#8396ae}

/* sticky mobile bar */
.dock{position:fixed;left:0;right:0;bottom:0;z-index:50;display:none;gap:8px;padding:10px 12px calc(10px + env(safe-area-inset-bottom));background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-top:1px solid var(--line)}
.dock .btn{flex:1}

/* lightbox */
dialog.lb{border:0;padding:0;background:transparent;max-width:92vw;max-height:92vh}
dialog.lb::backdrop{background:rgba(5,12,24,.88)}
dialog.lb img{max-width:92vw;max-height:84vh;border-radius:10px}
dialog.lb p{color:#fff;text-align:center;margin:10px 0 0}
dialog.lb button{position:fixed;top:14px;right:14px;background:#fff;border:0;border-radius:50%;width:44px;height:44px;font-size:1.4rem;cursor:pointer}

@media (max-width:960px){
  .hero .wrap,.phero .grid,.split,.areas,.contact-grid{grid-template-columns:1fr}
  .split.rev>:first-child{order:0}
  .hero-photo{justify-self:start;max-width:none;aspect-ratio:16/10}
  .svc{grid-template-columns:1fr 1fr}
  .prices .wrap{grid-template-columns:1fr 1fr}
  .price:nth-child(3){border-left:0}.price:nth-child(n+3){border-top:1px solid var(--line)}
  .steps{grid-template-columns:1fr 1fr}
  .gallery{grid-template-columns:repeat(3,1fr)}
  .brands{grid-template-columns:repeat(5,1fr)}
  footer.site .cols{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  nav.main{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);padding:8px 12px 14px}
  nav.main.open{display:block}
  nav.main ul{flex-direction:column}
  nav.main a{padding:12px}
  .menu-btn{display:inline-block}
  header.site .hcall{display:none}
  .dock{display:flex}
  .svc,.svc-mini,.feature{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr 1fr}
  .gallery figure.wide{grid-column:span 2}
  .brands{grid-template-columns:repeat(3,1fr)}
  .cta{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(3,1fr)}
  footer.site .cols{grid-template-columns:1fr}
  .top .hide-sm{display:none}
  .hero .wrap{padding-top:36px;padding-bottom:36px;gap:28px}
  .info dl{grid-template-columns:1fr;gap:2px}.info dd{margin-bottom:10px}
  .qr{flex-direction:column;align-items:flex-start}
}
@media (max-width:420px){.steps{grid-template-columns:1fr}.price b{font-size:1.35rem}.price{padding:16px 14px}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
figure{margin:0}
@media (max-width:760px){.top .wrap>a{display:none}.top .wrap{justify-content:center}}
/* บทความ */
.art-hero{padding:8px 0 40px;max-width:820px}
.art-wrap{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;align-items:start}
.prose{max-width:760px;font-size:1.05rem;line-height:1.85;color:var(--ink-soft)}
.prose h2{font-family:var(--font-d);color:var(--ink);font-size:1.45rem;line-height:1.4;margin:36px 0 12px;scroll-margin-top:90px}
.prose h3{color:var(--ink);font-size:1.15rem;margin:24px 0 8px}
.prose p{margin:0 0 14px}
.prose ul,.prose ol{padding-left:1.3em;margin:0 0 16px}
.prose li{margin-bottom:6px}
.prose strong{color:var(--ink)}
.prose a{color:var(--blue)}
.prose table{width:100%;border-collapse:collapse;margin:8px 0 20px;font-size:.95rem;background:#fff}
.prose th,.prose td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.prose th{background:var(--ice);color:var(--ink)}
.prose .answer{background:var(--ice);border-left:4px solid var(--blue);border-radius:var(--r-sm);padding:16px 18px;margin-bottom:22px}
.prose .answer b{display:block;color:var(--ink);margin-bottom:4px}
.prose .answer p{margin:0;color:var(--ink)}
.art-img{width:100%;height:auto;border-radius:var(--r);margin:0 0 20px;aspect-ratio:3/2;object-fit:cover}
.toc{background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);padding:14px 18px;margin-bottom:8px}
.toc b{color:var(--ink)}
.toc ol{margin:8px 0 0}
.art-note{font-size:.92rem;color:var(--muted);border-top:1px solid var(--line);padding-top:14px;margin-top:28px}
.art-side{position:sticky;top:90px;display:grid;gap:16px}
.side-box{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px;display:grid;gap:10px;box-shadow:var(--shadow)}
.side-box b{color:var(--ink)}
.side-box p{margin:0;font-size:.92rem;color:var(--muted)}
.side-box ul{margin:0;padding-left:1.1em;font-size:.95rem}
.side-box li{margin-bottom:6px}
.art-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}
.art-card{display:flex;flex-direction:column;gap:8px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px;text-decoration:none;color:var(--ink-soft);box-shadow:var(--shadow);transition:transform .2s}
.art-card:hover{transform:translateY(-2px)}
.art-card b{color:var(--ink);font-family:var(--font-d);font-size:1.12rem;line-height:1.45}
.art-card span{font-size:.95rem}
.art-card small{color:var(--muted);margin-top:auto}
.art-more{margin-top:24px}
@media(max-width:900px){.art-wrap{grid-template-columns:1fr}.art-side{position:static}}