:root{
  --ink:#14161a; --ink-2:#4a4f57; --line:#e4e6ea; --bg:#ffffff; --bg-2:#f5f7fa;
  --navy:#0b1e33; --navy-2:#13304f;
  --blue:#1f7fd1; --blue-d:#155c99; --green:#2fa36b; --orange:#ec6a2c; --orange-d:#c9531b;
  --radius:14px; --max:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Noto Sans Thai","Leelawadee UI","Segoe UI",system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;font-size:16px}
img{max-width:100%;display:block}
a{color:var(--blue)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 16px}

/* bilingual: default Thai, html.en shows English */
[lang="en"].t{display:none}
html.en [lang="th"].t{display:none}
html.en [lang="en"].t{display:revert}

/* header */
header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;height:68px;gap:12px}
.bar > a img{height:44px;width:auto}
.bar nav{display:flex;align-items:center;gap:22px}
.bar nav a{color:var(--ink);text-decoration:none;font-size:15px;white-space:nowrap}
.bar nav a:hover,.bar nav a.on{color:var(--blue)}
.bar nav a.on{font-weight:600}
.lang{border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 12px;font:inherit;font-size:14px;cursor:pointer;color:var(--ink)}
.menu{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;width:42px;height:38px;font-size:20px;cursor:pointer;color:var(--ink)}
.tools{display:flex;align-items:center;gap:10px}
@media (max-width:980px){
  .menu{display:block}
  .bar nav{position:absolute;top:68px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0;padding:8px 16px 16px;display:none}
  .bar nav.open{display:flex}
  .bar nav a{padding:12px 0;border-bottom:1px solid var(--line)}
}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:999px;font:inherit;font-weight:600;text-decoration:none;border:0;cursor:pointer}
.btn.primary{background:var(--orange);color:#fff}
.btn.primary:hover{background:var(--orange-d)}
.btn.line{background:#06c755;color:#fff}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn.outline{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.8)}
.btn.outline:hover{background:rgba(255,255,255,.12)}
.cta{display:flex;flex-wrap:wrap;gap:12px}

/* full-bleed hero slider */
.slides{position:relative;height:min(86vh,760px);min-height:520px;overflow:hidden;background:var(--navy);color:#fff}
.slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity 1.2s ease;transform:scale(1.04)}
.slide.on{opacity:1;animation:kb 9s ease-out forwards}
@keyframes kb{to{transform:scale(1)}}
@media (prefers-reduced-motion:reduce){.slide.on{animation:none;transform:none}}
.slides::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,18,32,.82) 0%,rgba(6,18,32,.5) 48%,rgba(6,18,32,.1) 100%)}
.slides .in{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:center}
.kicker{display:inline-block;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:#9fd0ff;margin-bottom:14px;font-weight:600}
.slides h1{font-size:clamp(32px,5.4vw,62px);line-height:1.15;margin:0 0 18px;max-width:820px;letter-spacing:-.01em}
.slides h1 em{font-style:normal;color:#7fe0a8}
.slides p.lead{font-size:clamp(16px,2vw,20px);max-width:640px;margin:0 0 30px;color:#e3ebf3}
.cap{position:absolute;z-index:2;left:16px;right:16px;bottom:22px;display:flex;justify-content:space-between;align-items:center;gap:12px;max-width:var(--max);margin:0 auto;font-size:13px;color:#cfdbe7}
.dots{display:flex;gap:8px}
.dots button{width:28px;height:4px;border:0;border-radius:2px;background:rgba(255,255,255,.35);cursor:pointer;padding:0}
.dots button.on{background:#fff}

/* page banner (sub pages) */
.banner{position:relative;color:#fff;background:var(--navy) center/cover no-repeat;padding:120px 0 64px}
.banner::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,18,32,.85),rgba(6,18,32,.35))}
.banner .wrap{position:relative;z-index:1}
.banner h1{font-size:clamp(30px,4.6vw,50px);line-height:1.2;margin:0 0 10px}
.banner p{max-width:700px;margin:0;color:#e3ebf3;font-size:clamp(16px,1.8vw,19px)}

/* sections */
section{padding:80px 0}
section.alt{background:var(--bg-2)}
section.dark{background:var(--navy);color:#fff}
section.dark .sub{color:#b9c7d6}
h2{font-size:clamp(26px,3.4vw,38px);line-height:1.25;margin:0 0 10px}
.eyebrow{font-size:14px;letter-spacing:.02em;text-transform:uppercase;color:var(--blue);font-weight:700;margin:0 0 10px}
section.dark .eyebrow{color:#7fc4ff}
.sub{color:var(--ink-2);margin:0 0 36px;max-width:760px;font-size:17px}

/* intro + numbers */
.intro{display:grid;gap:48px;grid-template-columns:1.1fr 1fr;align-items:center}
@media (max-width:900px){.intro{grid-template-columns:1fr;gap:28px}}
.intro p{font-size:17px;color:var(--ink-2);margin:0 0 14px}
.nums{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.nums div{background:#fff;padding:26px 22px}
.nums b{display:block;font-size:clamp(30px,3.6vw,42px);line-height:1.1;color:var(--navy)}
.nums b small{font-size:.45em;font-weight:600;color:var(--ink-2);margin-left:4px}
.nums span{font-size:14px;color:var(--ink-2)}

/* solution tiles */
.group{margin-top:8px}
.group + .group{margin-top:44px}
.group h3{font-size:16px;letter-spacing:.02em;text-transform:uppercase;color:#9fd0ff;margin:0 0 16px;display:flex;align-items:center;gap:12px}
.group h3::after{content:"";flex:1;height:1px;background:rgba(255,255,255,.18)}
.tiles{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.tile{position:relative;display:block;border-radius:var(--radius);overflow:hidden;min-height:360px;color:#fff;text-decoration:none;background:#0d2236}
.tile img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.tile:hover img{transform:scale(1.05)}
.tile::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,18,32,0) 30%,rgba(6,18,32,.9) 100%)}
.tile .tx{position:absolute;z-index:1;left:0;right:0;bottom:0;padding:24px}
.tile h4{font-size:24px;margin:0 0 6px;line-height:1.25}
.tile p{margin:0;font-size:15px;color:#dce6ef}
.tag{position:absolute;z-index:1;top:14px;left:14px;font-size:12px;background:rgba(6,18,32,.6);border:1px solid rgba(255,255,255,.25);padding:3px 10px;border-radius:999px}
.tag.own{background:var(--green);border-color:var(--green)}

/* one-stop */
.chain{display:grid;gap:18px;grid-template-columns:repeat(4,1fr);counter-reset:c}
@media (max-width:980px){.chain{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.chain{grid-template-columns:1fr}}
.link{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;counter-increment:c;display:flex;flex-direction:column}
.link img{aspect-ratio:4/3;object-fit:cover;width:100%}
.link .tx{padding:20px 20px 24px}
.link .tx::before{content:"0" counter(c);display:block;font-weight:700;color:var(--orange);font-size:14px;letter-spacing:.1em;margin-bottom:4px}
.link h4{margin:0 0 6px;font-size:19px;line-height:1.35}
.link p{margin:0;color:var(--ink-2);font-size:15px}
.flow{margin-top:22px;text-align:center;color:var(--ink-2);font-size:15px}

/* project cards */
.cases{display:grid;gap:20px;grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
.case{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}
.case img{aspect-ratio:3/2;object-fit:cover;width:100%}
.case .tx{padding:18px 20px 22px}
.case h4{margin:0 0 4px;font-size:18px;line-height:1.35}
.case .meta{font-size:14px;color:var(--ink-2)}
.case .kpi{display:flex;align-items:baseline;gap:6px;margin-top:10px}
.case .kpi b{font-size:26px;color:var(--navy)}
.case .kpi span{font-size:14px;color:var(--ink-2)}
.pill{display:inline-block;font-size:12px;font-weight:700;padding:2px 10px;border-radius:999px;background:#eaf3fc;color:var(--blue-d);margin-left:auto}
.pill.ppa{background:#e6f6ee;color:#1c7a4c}
.pill.ev{background:#fdeee5;color:var(--orange-d)}
.feature{display:grid;gap:20px;grid-template-columns:repeat(3,1fr)}
@media (max-width:900px){.feature{grid-template-columns:1fr}}
.feature .tile{min-height:420px}
.cat{font-size:16px;letter-spacing:.02em;text-transform:uppercase;color:var(--blue);margin:44px 0 16px;font-weight:700}
.cat:first-child{margin-top:0}
.more{margin-top:28px}

/* qualifications + partners */
.quals{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.qual{border:1px solid rgba(255,255,255,.16);border-radius:var(--radius);padding:22px;background:rgba(255,255,255,.04)}
.qual b{display:block;font-size:20px;margin-bottom:4px}
.qual span{color:#b9c7d6;font-size:14px}
.partners{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.pg{border:1px solid var(--line);border-radius:var(--radius);padding:20px;background:#fff}
.pg small{display:block;font-size:13px;color:var(--ink-2);margin-bottom:10px;font-weight:600}
.pg div{display:flex;flex-wrap:wrap;gap:8px}
.pg > div > span{border:1px solid var(--line);border-radius:8px;padding:5px 12px;font-weight:600;font-size:15px}

/* promo split */
.split{display:grid;grid-template-columns:1fr 1fr;border-radius:18px;overflow:hidden;background:var(--navy);color:#fff}
@media (max-width:860px){.split{grid-template-columns:1fr}}
.split .ph{position:relative;min-height:300px}
.split .ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.split .tx{padding:44px 40px}
.split p{color:#cfdbe7}
.split .reg2{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 26px}
.split .reg2 span{border:1px solid rgba(255,255,255,.3);border-radius:8px;padding:6px 12px;font-weight:700}

/* CTA band */
.band{background:linear-gradient(120deg,var(--blue-d),var(--navy));color:#fff;text-align:center}
.band p{color:#dce6ef;max-width:640px;margin:0 auto 26px}
.band .cta{justify-content:center}

/* organization */
.lead2{display:grid;gap:40px;grid-template-columns:.8fr 1.2fr;align-items:center}
@media (max-width:860px){.lead2{grid-template-columns:1fr}}
.lead2 img{border-radius:var(--radius);max-height:520px;width:100%;object-fit:cover;object-position:top}
.people{display:grid;gap:14px;margin-top:22px}
.person{border-left:4px solid var(--blue);padding:4px 0 4px 16px}
.person.o{border-left-color:var(--orange)}
.person b{display:block;font-size:19px}
.person span{color:var(--ink-2);font-size:15px}
.tree{display:flex;flex-direction:column;align-items:center}
.tree .top{display:flex;gap:16px;flex-wrap:wrap;justify-content:center}
.node{background:var(--navy);color:#fff;border-radius:12px;padding:14px 22px;text-align:center;min-width:240px}
.node small{display:block;color:#9fd0ff;font-size:13px}
.stem{width:2px;height:34px;background:#c7ced8}
.depts{display:grid;gap:16px;grid-template-columns:repeat(3,1fr);width:100%;position:relative;padding-top:34px}
.depts::before{content:"";position:absolute;top:0;left:16.6%;right:16.6%;height:2px;background:#c7ced8}
@media (max-width:860px){.depts{grid-template-columns:1fr 1fr}.depts::before{left:25%;right:25%}}
@media (max-width:520px){.depts{grid-template-columns:1fr}.depts::before{display:none}}
.dept{background:#fff;border:1px solid var(--line);border-top:4px solid var(--blue);border-radius:12px;padding:18px 20px}
.dept.o{border-top-color:var(--orange)}
.dept b{font-size:34px;color:var(--navy);line-height:1}
.dept h4{margin:6px 0 4px;font-size:18px}
.dept p{margin:0;color:var(--ink-2);font-size:14px}
.licence{margin-top:26px;text-align:center;color:var(--ink-2);font-size:15px}

/* household page (v1 components) */
.hero{background:linear-gradient(135deg,#eef5fc 0%,#fff 55%,#fff4ec 100%);padding:64px 0}
.hero .hs{display:grid;gap:36px;grid-template-columns:1.2fr 1fr;align-items:center}
@media (max-width:860px){.hero .hs{grid-template-columns:1fr}}
.hero .hs img{border-radius:var(--radius);width:100%;aspect-ratio:4/3;object-fit:cover}
.hero h1{font-size:clamp(28px,4.4vw,46px);line-height:1.25;margin:0 0 16px;letter-spacing:-.01em}
.hero h1 em{font-style:normal;color:var(--blue)}
.hero p.lead{font-size:clamp(16px,2vw,19px);color:var(--ink-2);max-width:720px;margin:0 0 28px}
.prog{display:grid;gap:24px;grid-template-columns:1.3fr 1fr;align-items:center}
@media (max-width:760px){.prog{grid-template-columns:1fr}}
.reg{display:grid;gap:12px}
.reg div{background:#fff;border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:10px;padding:14px 16px}
.reg div.p{border-left-color:var(--orange)}
.reg b{display:block;font-size:20px}
.reg span{color:var(--ink-2);font-size:14px}
.note{font-size:13px;color:var(--ink-2);margin-top:16px}
.steps{counter-reset:s;display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));padding:0;margin:0;list-style:none}
.steps li{counter-increment:s;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.steps li::before{content:counter(s);display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--blue);color:#fff;font-weight:700;margin-bottom:10px}
.steps b{display:block}
.steps span{color:var(--ink-2);font-size:14px}

/* contact + form */
.contact{display:grid;gap:32px;grid-template-columns:1fr 1.2fr}
@media (max-width:860px){.contact{grid-template-columns:1fr}}
.ch{display:grid;gap:12px;margin-top:20px}
.ch a{display:flex;align-items:center;gap:12px;padding:14px 16px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);text-decoration:none}
.ch a:hover{border-color:var(--blue)}
.ch small{display:block;color:var(--ink-2)}
.qr{display:flex;align-items:center;gap:16px;margin-top:16px;padding:14px 16px;border:1px solid var(--line);border-radius:12px;background:#fff;font-size:14px;color:var(--ink-2)}
.qr img{width:120px;height:120px;flex:none}
.addr{margin-top:16px;font-size:14px;color:var(--ink-2)}
form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:grid;gap:14px}
.row{display:grid;gap:14px;grid-template-columns:1fr 1fr}
@media (max-width:560px){.row{grid-template-columns:1fr}}
label{display:grid;gap:6px;font-size:14px;font-weight:600}
label i{font-style:normal;color:var(--orange)}
input,select,textarea{font:inherit;font-weight:400;padding:11px 12px;border:1px solid #cfd3da;border-radius:10px;background:#fff;color:var(--ink);width:100%}
input:focus,select:focus,textarea:focus{outline:2px solid #bcdaf5;border-color:var(--blue)}
textarea{min-height:110px;resize:vertical}
.consent{display:flex;gap:10px;align-items:flex-start;font-weight:400;font-size:14px;color:var(--ink-2)}
.consent input{width:18px;height:18px;margin-top:3px;flex:none}
.hp{position:absolute;left:-9999px}

/* footer */
footer{background:#081626;color:#b9c4d0;padding:52px 0 36px;font-size:14px}
footer .f{display:grid;gap:32px;grid-template-columns:1.3fr 1fr 1fr}
@media (max-width:860px){footer .f{grid-template-columns:1fr}}
footer a{color:#fff;text-decoration:none}
footer a:hover{text-decoration:underline}
footer img{height:44px;width:auto;margin-bottom:14px}
footer h5{color:#fff;font-size:15px;margin:0 0 10px}
footer ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
footer .legal{border-top:1px solid rgba(255,255,255,.12);margin-top:32px;padding-top:18px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px}

/* simple pages */
.doc{max-width:820px;margin:0 auto;padding:48px 16px 64px}
.doc h1{font-size:30px;margin:0 0 8px}
.doc h2{font-size:20px;margin:28px 0 8px}
.center{text-align:center;padding:96px 16px}

/* wide tracking only reads well in Latin script */
html.en .eyebrow,html.en .group h3,html.en .cat{letter-spacing:.12em;font-size:13px}

@media (max-width:760px){.slides::after{background:linear-gradient(180deg,rgba(6,18,32,.45),rgba(6,18,32,.78))}}
.legend{font-size:14px;color:var(--ink-2);background:var(--bg-2);border-radius:10px;padding:12px 16px;margin:0 0 36px}
.legend .pill{margin-left:0}