/* naporsong v3.1 — editorial civic, mobile-first.
   Deep forest + ochre on white, serif Thai display, snap carousels on mobile,
   ruled index rows on desktop. No forced line breaks in headings. */
:root{
  --ink:#1b2a20; --forest:#17301f; --moss:#2f5d3f; --leaf:#3f7a52;
  --gold:#a87b14; --gold2:#c19a2e; --clay:#9c4a24;
  --muted:#46564b; --line:#d9dfd7; --tint:#eef2ec; --paper:#fff;
  --serif:"Noto Serif Thai","Sarabun",serif;
  --sans:"Noto Sans Thai","Sarabun","Leelawadee UI","Tahoma",sans-serif;
  --max:1160px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body.v3{font-family:var(--sans);color:var(--ink);background:var(--paper);line-height:1.8;margin:0;font-size:1rem;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body.v3 .container{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:20px}
body.v3 .narrow{max-width:760px}
body.v3 .center{text-align:center}
body.v3 p{margin:0 0 1em}
body.v3 img,body.v3 svg{max-width:100%}
body.v3 figure{margin:0}
body.v3 code{background:var(--tint);padding:1px 7px;border-radius:3px;font-size:.88em}
body.v3 :focus-visible{outline:2px solid var(--gold);outline-offset:3px}
body.v3 .skip-link{position:absolute;left:-9999px;top:0;z-index:400;background:var(--forest);color:#fff;padding:10px 18px;font-size:.88rem;text-decoration:none}
body.v3 .skip-link:focus{left:0}
body.v3 h1,body.v3 h2,body.v3 h3{font-family:var(--serif);color:var(--forest);line-height:1.55;margin:0 0 .55em;font-weight:700;overflow-wrap:break-word}
body.v3 a{color:var(--moss)}
body.v3 .dim{color:var(--muted)}
body.v3 .meta{font-size:.85rem;color:var(--muted)}
body.v3 .lead{font-size:1.02rem;color:var(--muted)}
body.v3 address{font-style:normal;border:1px solid var(--line);border-top:3px solid var(--forest);padding:18px 20px}
body.v3 .check-list{list-style:none;padding:0;margin:0 0 1.5em}
body.v3 .check-list li{padding:10px 0 10px 28px;position:relative;border-bottom:1px solid var(--line);font-size:.96rem}
body.v3 .check-list li::before{content:"";position:absolute;left:2px;top:20px;width:9px;height:9px;background:var(--gold2)}
.v3-progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--gold2);z-index:350}
.v3-eyebrow,body.v3 .kicker{display:flex;align-items:center;gap:10px;color:var(--gold);font-weight:600;font-size:.9rem;margin:0 0 .7em}
.v3-eyebrow::before,body.v3 .kicker::before{content:"";width:28px;height:2px;background:var(--gold2);flex:none}
.v3-eyebrow.light{color:var(--gold2)}

/* topbar + header */
.v3-topbar{background:var(--forest);color:#cfe0d2;font-size:.78rem}
.v3-topbar-inner{display:flex;justify-content:space-between;align-items:center;gap:10px;min-height:36px;padding-block:4px}
.v3-topbar p{margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.v3-topbar nav{display:flex;gap:4px;align-items:center;flex:none}
.v3-topbar nav a{color:#cfe0d2;text-decoration:none;padding:2px 7px;border:1px solid transparent;white-space:nowrap}
.v3-topbar nav a[aria-current="true"]{color:#fff;border-color:rgba(255,255,255,.45);font-weight:700}
.v3-nav{position:sticky;top:0;z-index:200;background:var(--paper);border-bottom:1px solid var(--line)}
.v3-nav.scrolled{border-bottom:2px solid var(--forest)}
.v3-nav-inner{display:flex;align-items:center;gap:10px;min-height:64px}
.v3-brand{display:flex;align-items:center;gap:10px;text-decoration:none;margin-right:auto;min-width:0}
.v3-brand-mark svg{width:36px;height:36px;display:block;flex:none}
.v3-brand-text{display:flex;flex-direction:column;line-height:1.3;min-width:0}
.v3-brand-text strong{font-family:var(--serif);color:var(--forest);font-size:1.05rem;white-space:nowrap}
.v3-brand-text small{color:var(--muted);font-size:.68rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.v3-burger{display:block;background:#fff;border:1px solid var(--line);padding:9px 10px;cursor:pointer;flex:none}
.v3-burger span{display:block;width:20px;height:2px;background:var(--forest);margin:4px 0}
.v3-menu{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:2px solid var(--forest);flex-direction:column;padding:8px 16px 14px;max-height:calc(100dvh - 110px);overflow:auto;box-shadow:0 24px 32px -24px rgba(23,48,31,.45)}
.v3-menu.open{display:flex;animation:v3drop .22s ease}
@keyframes v3drop{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.v3-menu a{text-decoration:none;color:var(--ink);font-size:.95rem;font-weight:500;padding:11px 6px;border-bottom:1px solid var(--line)}
.v3-menu a.on{color:var(--forest);font-weight:700;box-shadow:inset 3px 0 0 var(--gold2)}
.v3-menu .v3-cta{border:1px solid var(--forest);color:var(--forest);font-weight:700;text-align:center;margin-top:10px;padding:11px}

/* buttons */
.v3-actions,.mesh-actions{display:flex;gap:10px;flex-wrap:wrap;margin:1.3em 0 0}
.v3-actions.center,.mesh-actions.center{justify-content:center}
.btn3{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;font-weight:700;font-size:.94rem;line-height:1.5;padding:12px 22px;border:1px solid var(--forest);cursor:pointer;font-family:inherit;text-align:center;transition:background .15s ease,color .15s ease,transform .15s ease}
.btn3-solid,.btn3-dark{background:var(--forest);color:#fff!important}
.btn3-solid:hover,.btn3-dark:hover{background:var(--moss)}
.btn3-line,.btn3-outline{background:transparent;color:var(--forest)!important}
.btn3-line:hover,.btn3-outline:hover{background:var(--tint)}
.btn3-gold{background:var(--gold2);border-color:var(--gold2);color:var(--forest)!important}
.btn3-gold:hover{background:var(--gold);color:#fff!important}
.btn3[disabled]{opacity:.55;cursor:not-allowed}
.v3-arrow,.link-arrow{font-weight:700;font-size:.92rem;text-decoration:none;color:var(--moss)}
.v3-arrow:hover,.link-arrow:hover{color:var(--gold);text-decoration:underline}

/* hero */
.v3-hero{position:relative;border-bottom:1px solid var(--line);padding:44px 0 52px;overflow:hidden;background:
  radial-gradient(560px 260px at 92% -40px,rgba(193,154,46,.14),transparent 70%),
  linear-gradient(180deg,#f3f6f1 0%,#fff 78%)}
.v3-hero-grid{display:grid;grid-template-columns:1fr;gap:34px;align-items:center}
.v3-hero h1{font-weight:800;margin-bottom:.35em}
.v3-hero h1 .h-main{display:block;font-size:2.15rem;line-height:1.4}
.v3-hero h1 .h-sub{display:block;font-size:1.22rem;line-height:1.65;color:var(--moss);font-weight:600;margin-top:.25em}
.v3-hero-sub{font-size:1rem;color:var(--muted);max-width:34em}
.v3-hero-facts{display:flex;gap:10px;margin:1.6em 0 0;padding:0 0 6px;overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.v3-hero-facts::-webkit-scrollbar{display:none}
.v3-hero-facts div{flex:0 0 auto;scroll-snap-align:start;border:1px solid var(--line);border-top:3px solid var(--gold2);background:#fff;padding:10px 14px;min-width:148px}
.v3-hero-facts dt{font-size:.74rem;color:var(--gold);font-weight:700}
.v3-hero-facts dd{margin:0;font-size:.88rem;font-weight:600;color:var(--forest)}
.v3-hero-media{position:relative;min-width:0}
.v3-hero-media img,.v3-hero-media .ph-img,.v3-hero-media .ph{width:100%;aspect-ratio:4/3;object-fit:cover;display:block;animation:v3zoom 1.4s ease both}
@keyframes v3zoom{from{transform:scale(1.045)}to{transform:scale(1)}}
.v3-hero-media::before{content:"";position:absolute;inset:0;transform:translate(10px,10px);border:1px solid var(--gold2);pointer-events:none}
.v3-hero-media figcaption{font-size:.8rem;color:var(--muted);padding-top:18px}
.v3-hero-media .img-credit{font-size:.75rem;color:var(--muted)}

/* marquee */
.v3-marquee{overflow:hidden;background:var(--forest);color:#fff;border-block:3px solid var(--gold2);padding:11px 0}
.v3-marquee-track{display:inline-flex;gap:26px;white-space:nowrap;font-weight:600;font-size:.93rem;animation:v3slide 30s linear infinite;will-change:transform}
.v3-marquee-track i{color:var(--gold2);font-style:normal}
.v3-marquee:hover .v3-marquee-track{animation-play-state:paused}
@keyframes v3slide{to{transform:translateX(-50%)}}

/* sections */
.v3-section{padding:60px 0}
.v3-section.soft,.v3-tint{background:var(--tint);border-block:1px solid var(--line)}
.v3-sec-head{margin-bottom:28px;border-bottom:2px solid var(--forest);padding-bottom:16px}
.v3-sec-head h2{margin:0;font-size:1.55rem;font-weight:800}
.v3-sec-head .v3-arrow{display:inline-block;margin-top:8px}
.v3-sec-note{color:var(--muted);margin:.6em 0 0;font-size:.94rem;max-width:36em}
.v3-pagehero{padding:52px 0 42px;border-bottom:1px solid var(--line);background:var(--tint)}
.v3-pagehero h1{font-size:1.9rem;font-weight:800;margin-bottom:.25em}
.v3-swipe-hint{font-size:.82rem;color:var(--gold);font-weight:700;margin:0 0 10px}

/* highlights: snap carousel on mobile, ruled index on desktop */
.v3-index{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 2px 14px;-webkit-overflow-scrolling:touch;scrollbar-width:thin}
.v3-missions{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.v3-index-row{flex:0 0 84%;scroll-snap-align:start;border:1px solid var(--line);border-top:3px solid var(--forest);background:#fff;padding:18px;display:grid;gap:10px;align-content:start;min-width:0}
.v3-mission-row{display:grid;grid-template-columns:52px minmax(0,1fr);gap:16px;padding:24px 0;border-bottom:1px solid var(--line);align-items:start}
.v3-num{font-family:var(--serif);font-size:1.5rem;font-weight:700;color:var(--gold2);line-height:1.2}
.v3-index-row h3,.v3-mission-row h3{font-size:1.08rem;margin-bottom:.15em}
.v3-index-row p,.v3-mission-row p{color:var(--muted);font-size:.93rem;margin:0}
.v3-index-media .ph-img,.v3-index-media .ph,.v3-index-media img{width:100%;aspect-ratio:16/10;object-fit:cover;display:block}
.v3-index-media .img-credit{display:none}

/* news: snap carousel on mobile, grid on desktop */
.v3-news-grid,.news-row{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 2px 14px;-webkit-overflow-scrolling:touch}
.v3-news-card,.news-card{flex:0 0 84%;scroll-snap-align:start;background:var(--paper);border:1px solid var(--line);border-top:3px solid var(--forest);display:flex;flex-direction:column;min-width:0}
.v3-news-card .ph-img,.v3-news-card .ph,.news-card .ph-img,.news-card .ph{aspect-ratio:16/10;object-fit:cover;width:100%;display:block}
.v3-news-card .img-credit,.news-card .img-credit{display:none}
.v3-news-body,.news-body{padding:18px 20px 20px}
.v3-news-body h3,.news-body h3{font-size:1.05rem}
.v3-news-body p,.news-body p{font-size:.92rem;color:var(--muted)}
.v3-empty{border:1px solid var(--line);border-left:4px solid var(--gold2);padding:28px 22px;background:var(--paper)}
.v3-empty-title{font-family:var(--serif);font-size:1.15rem;font-weight:700;color:var(--forest)}
.v3-empty p{color:var(--muted);margin-bottom:0}

/* vision */
.v3-vision,.vision-band{background:var(--forest);color:#dce8de;padding:60px 0}
.v3-vision blockquote,.vision-band blockquote{margin:0 0 1.1em;max-width:820px}
.v3-vision blockquote p,.vision-band blockquote p{font-family:var(--serif);font-size:1.3rem;font-weight:700;color:#fff;line-height:1.75}
.v3-vision cite,.vision-band cite{color:var(--gold2);font-style:normal;font-weight:700}
.v3-mission-strip{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:8px 18px;margin:0 0 1.8em;padding:16px 0 0;border-top:1px solid rgba(255,255,255,.22)}
.v3-mission-strip li{display:flex;gap:9px;align-items:baseline;font-size:.9rem;min-width:0}
.v3-mission-strip li span{font-family:var(--serif);color:var(--gold2);font-weight:700}
.v3-mission-strip li strong{color:#fff;font-weight:600}

/* split / timeline / places / products */
.split{display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
.split .ph-img,.split .ph{aspect-ratio:4/3;object-fit:cover;width:100%;display:block}
.rounded-shot{min-width:0}
.rounded-shot .ph-img,.rounded-shot .ph{border:1px solid var(--line);width:100%;object-fit:cover;display:block}
.rounded-shot .img-credit,.split .img-credit{font-size:.78rem;color:var(--muted);padding-top:8px}
.timeline{position:relative;margin:0;padding:0 0 0 28px;list-style:none}
.timeline::before{content:"";position:absolute;left:5px;top:8px;bottom:8px;width:1px;background:var(--line)}
.timeline li{position:relative;padding:0 0 24px}
.timeline li::before{content:"";position:absolute;left:-27px;top:9px;width:9px;height:9px;background:var(--gold2);border:2px solid var(--paper);box-shadow:0 0 0 1px var(--line)}
.timeline h3{margin-bottom:.15em;font-size:1.03rem}
.timeline p{color:var(--muted);font-size:.94rem;margin:0}
.v3-filter{display:flex;gap:8px;flex-wrap:nowrap;overflow-x:auto;padding-bottom:10px;margin-bottom:8px;scrollbar-width:none}
.v3-filter::-webkit-scrollbar{display:none}
.v3-chip{flex:none;border:1px solid var(--forest);background:#fff;color:var(--forest);font-family:inherit;font-weight:700;font-size:.88rem;padding:9px 16px;cursor:pointer}
.v3-chip.on{background:var(--forest);color:#fff}
.place-row{display:grid;grid-template-columns:1fr;gap:20px;padding:34px 0;border-bottom:1px solid var(--line);min-width:0}
.place-row[hidden]{display:none}
.place-row .ph-img,.place-row .ph{aspect-ratio:16/10;object-fit:cover;width:100%;display:block;border:1px solid var(--line)}
.vbadge{display:inline-block;font-size:.78rem;font-weight:700;padding:3px 12px;border:1px solid var(--clay);color:var(--clay);margin-bottom:10px}
.vbadge.in{border-color:var(--moss);color:var(--moss)}
.prod-grid{display:grid;grid-template-columns:1fr;gap:16px}
.prod-card{border:1px solid var(--line);border-top:3px solid var(--gold);background:var(--paper);min-width:0}
.prod-card .ph-img,.prod-card .ph{aspect-ratio:16/10;object-fit:cover;width:100%;display:block}
.prod-card .img-credit{display:none}
.prod-body{padding:18px 20px 20px}
.prod-body h2{font-size:1.08rem}
.prod-body p{color:var(--muted);font-size:.93rem;margin:0}
.v3-portrait{max-width:380px}
.v3-portrait .ph-img,.v3-portrait .ph{aspect-ratio:3/4;object-fit:cover;width:100%;display:block;border:1px solid var(--line)}

/* forms / faq / notices */
.v3-notice{border:1px solid #e0cd8d;border-left:4px solid var(--gold);background:#fdf8e7;padding:16px 18px;margin-bottom:1.6em}
.v3-form{border:1px solid var(--line);border-top:3px solid var(--forest);padding:22px 18px;margin:1em 0 2.2em;background:#fff}
.v3-form fieldset{border:none;padding:0;margin:0;min-width:0}
.v3-form label{display:block;font-weight:600;font-size:.9rem;margin-bottom:12px}
.v3-form input,.v3-form select,.v3-form textarea{display:block;width:100%;margin-top:6px;padding:11px 12px;border:1px solid #bfc9bd;font-family:inherit;font-size:.95rem;background:var(--tint);color:var(--muted)}
.v3-grid2{display:grid;grid-template-columns:1fr;gap:4px}
.v3-faq details{border:1px solid var(--line);padding:14px 16px;margin-bottom:10px;background:#fff}
.v3-faq summary{font-weight:700;color:var(--forest);cursor:pointer}
.v3-faq p{color:var(--muted);font-size:.94rem}
.v3-todo{background:#fdf8e7;border:1px dashed var(--gold);padding:12px 14px;font-size:.85rem;color:var(--muted);margin:1.2em 0}
.v3-source{font-size:.85rem;color:var(--muted);border-left:2px solid var(--gold2);padding-left:12px}
.v3-article{font-size:1rem}
.v3-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:1.8em}
.v3-error-code{font-family:var(--serif);font-size:3.4rem;font-weight:800;color:var(--gold);margin:0;line-height:1.2}

/* CTA + footer */
.v3-cta-band{border:1px solid var(--line);border-top:3px solid var(--forest);padding:26px 20px}
.v3-cta-band h2{margin-bottom:.2em;font-size:1.4rem}
.v3-cta-band p{color:var(--muted);margin:0}
.v3-cta-band .v3-actions{margin-top:1.1em}
.v3-footer{background:var(--forest);color:#b9cdbd;font-size:.9rem}
.v3-footer-grid{display:grid;grid-template-columns:1fr;gap:28px;padding:48px 20px 36px}
.v3-footer strong{font-family:var(--serif);color:#fff;display:block;margin-bottom:10px}
.v3-footer a{color:#b9cdbd;text-decoration:none;display:block;margin-bottom:7px}
.v3-footer a:hover{color:#fff;text-decoration:underline}
.v3-footer-note{font-size:.82rem;color:#8fa892;max-width:32em}
.v3-footer-bottom{border-top:1px solid rgba(255,255,255,.16);padding:16px 0;font-size:.82rem}
.v3-footer-bottom-inner{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap}
.v3-footer-bottom p{margin:0}
.v3-footer-bottom a{display:inline;margin:0}
.v3-top{position:fixed;right:16px;bottom:16px;z-index:150;width:44px;height:44px;border:1px solid var(--forest);background:var(--forest);color:#fff;font-size:1.1rem;cursor:pointer}
.v3-top:hover{background:var(--moss)}

/* reveal: subtle, only transform/opacity, disabled for reduced motion */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .55s ease,transform .55s ease}
.reveal.in{opacity:1;transform:none}

@media (min-width:641px){
  .prod-grid{grid-template-columns:1fr 1fr}
  .v3-grid2{grid-template-columns:1fr 1fr;gap:14px}
  .v3-footer-grid{grid-template-columns:1fr 1fr}
  .v3-news-card,.news-card,.v3-index-row{flex-basis:46%}
  .v3-form{padding:28px}
}
@media (min-width:961px){
  body.v3 .container{padding-inline:24px}
  .v3-burger{display:none}
  .v3-menu{display:flex;position:static;flex-direction:row;align-items:center;gap:2px;padding:0;border:none;box-shadow:none;max-height:none;overflow:visible}
  .v3-menu a{font-size:.9rem;padding:8px 11px;border-bottom:2px solid transparent;white-space:nowrap}
  .v3-menu a:hover{color:var(--moss);border-bottom-color:var(--gold2)}
  .v3-menu a.on{box-shadow:none;border-bottom-color:var(--gold)}
  .v3-menu .v3-cta{margin:0 0 0 8px;padding:8px 16px}
  .v3-brand-mark svg{width:40px;height:40px}
  .v3-brand-text strong{font-size:1.12rem}
  .v3-nav-inner{min-height:72px}
  .v3-hero{padding:72px 0 64px}
  .v3-hero-grid{grid-template-columns:1.05fr .95fr;gap:56px}
  .v3-hero h1 .h-main{font-size:3.1rem}
  .v3-hero h1 .h-sub{font-size:1.45rem}
  .v3-hero-facts{display:grid;grid-template-columns:repeat(3,1fr);overflow:visible}
  .v3-hero-facts div{min-width:0}
  .v3-section{padding:84px 0}
  .v3-sec-head{display:flex;align-items:end;justify-content:space-between;gap:20px}
  .v3-sec-head h2{font-size:2rem}
  .v3-sec-head .v3-arrow{margin-top:0}
  .v3-pagehero{padding:72px 0 56px}
  .v3-pagehero h1{font-size:2.7rem}
  .v3-swipe-hint{display:none}
  .v3-index{display:block;overflow:visible;padding:0}
  .v3-index-row{display:grid;grid-template-columns:64px 220px minmax(0,1fr) auto;gap:24px;align-items:center;padding:26px 0;border:none;border-bottom:1px solid var(--line);background:transparent}
  .v3-index-row:first-child{border-top:1px solid var(--line)}
  .v3-news-grid,.news-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));overflow:visible;padding:0}
  .v3-mission-strip{grid-template-columns:repeat(5,auto);justify-content:space-between}
  .split{grid-template-columns:1fr 1fr;gap:56px}
  .split.flip>:first-child{order:2}
  .place-row{grid-template-columns:1fr 1fr;gap:48px;padding:40px 0}
  .place-row.flip>:first-child{order:2}
  .prod-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
  .v3-cta-band{display:flex;justify-content:space-between;align-items:center;gap:28px;padding:36px 40px}
  .v3-cta-band .v3-actions{margin-top:0}
  .v3-footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding:64px 24px 44px}
  .v3-vision,.vision-band{padding:84px 0}
  .v3-vision blockquote p,.vision-band blockquote p{font-size:1.7rem}
  .v3-top{right:22px;bottom:22px}
}
@media (max-width:380px){
  .v3-brand-text small{display:none}
  .v3-topbar p{display:none}
  .v3-topbar-inner{justify-content:center}
  .v3-hero h1 .h-main{font-size:1.85rem}
  .v3-mission-strip{grid-template-columns:1fr}
  .btn3{padding:12px 16px}
}
@media (hover:hover) and (min-width:961px){
  .v3-news-card,.news-card,.prod-card{transition:transform .18s ease,border-color .18s ease}
  .v3-news-card:hover,.news-card:hover,.prod-card:hover{transform:translateY(-3px);border-color:var(--gold2)}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .v3-marquee-track,.v3-hero-media img,.v3-hero-media .ph-img{animation:none}
  .v3-menu.open{animation:none}
}