:root{
--g900:#1B4332;--g700:#2D6A4F;--g500:#40916C;--g300:#74C69D;--g100:#D8F3DC;--g50:#F0FAF3;
--cream:#FFFBF2;--gold:#B78A2E;--ink:#20312a;--mut:#5c6f65;--card:#fff;--line:#e3efe6;
--r:16px;--sh:0 8px 24px rgba(27,67,50,.1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Sarabun","Noto Sans Thai","Noto Sans SC","Noto Sans JP",system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--cream);color:var(--ink);line-height:1.7;font-size:16px}
img{max-width:100%;display:block}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
/* topbar */
.topbar{position:sticky;top:0;z-index:50;background:var(--g900);color:#eafff2;font-size:13px;display:flex;justify-content:space-between;align-items:center;gap:8px;padding:8px 12px;flex-wrap:wrap}
.lang-switch{display:flex;gap:6px}
.lang-btn{border:1px solid #ffffff55;background:transparent;color:#fff;border-radius:999px;padding:4px 12px;font-size:13px;cursor:pointer}
.lang-btn.active,.lang-btn:hover{background:#fff;color:var(--g900)}
/* header */
.header{background:linear-gradient(135deg,var(--g900),var(--g700) 55%,var(--g500));color:#fff}
.header-in{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 16px;flex-wrap:wrap}
.brand{display:flex;gap:12px;align-items:center}
.brand-mark{display:grid;grid-template-rows:repeat(4,10px);width:46px;border-radius:10px;overflow:hidden;box-shadow:var(--sh)}
.brand-mark span:nth-child(1){background:#1B4332}.brand-mark span:nth-child(2){background:#2D6A4F}.brand-mark span:nth-child(3){background:#52B788}.brand-mark span:nth-child(4){background:#D8F3DC}
.brand h1{font-size:26px;letter-spacing:.5px;line-height:1.2}
.brand h1 small{font-weight:400;font-size:16px;opacity:.9}
.tagline{font-size:13px;opacity:.9}
.nav{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.nav a{color:#fff;text-decoration:none;font-size:15px;opacity:.95}
.nav a:hover{text-decoration:underline}
.btn-call{background:#fff;color:var(--g900);padding:8px 14px;border-radius:999px;font-weight:700;text-decoration:none!important}
.khanom-layer{height:14px;background:repeating-linear-gradient(180deg,#1B4332 0 3px,#2D6A4F 3px 6px,#52B788 6px 9px,#B7E4C7 9px 12px,#FFFBF2 12px 14px)}
/* hero */
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;padding:36px 16px;align-items:center}
.eyebrow{display:inline-block;background:var(--g100);color:var(--g900);padding:4px 12px;border-radius:999px;font-size:13px;font-weight:700;margin-bottom:10px}
.hero h2{font-size:clamp(28px,5vw,44px);line-height:1.25;margin-bottom:10px}
.lead{color:var(--mut);margin-bottom:16px}
.hero-cta{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.btn-primary,.btn-ghost{display:inline-block;padding:12px 20px;border-radius:12px;font-weight:700;text-decoration:none;cursor:pointer;border:1px solid var(--g700);font-size:15px}
.btn-primary{background:var(--g700);color:#fff;border-color:var(--g700)}
.btn-primary:hover{background:var(--g900)}
.btn-ghost{background:#fff;color:var(--g700)}
.trust{list-style:none;display:flex;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--g900)}
.hero-img{position:relative}
.hero-img img{border-radius:20px;box-shadow:var(--sh);aspect-ratio:4/3;object-fit:cover;width:100%}
.hero-card{position:absolute;left:12px;bottom:12px;background:#ffffffee;border-radius:14px;padding:10px 14px;font-size:14px;box-shadow:var(--sh)}
.hero-card strong{display:block;color:var(--g900)}
/* section */
.section{padding:34px 0}
.sec-head{margin-bottom:18px}
.sec-head h3{font-size:24px;color:var(--g900);position:relative;padding-bottom:8px}
.sec-head h3::after{content:"";position:absolute;left:0;bottom:0;width:56px;height:4px;border-radius:4px;background:linear-gradient(90deg,var(--g700),var(--g300))}
.sec-head p{color:var(--mut);font-size:14px;margin-top:6px}
.search{margin-top:12px;width:100%;max-width:420px;padding:11px 14px;border:1px solid var(--line);border-radius:12px;font-size:15px}
/* grid cards */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--sh);display:flex;flex-direction:column}
.card img{aspect-ratio:4/3;object-fit:cover;width:100%;background:var(--g100)}
.card-body{padding:12px 14px;display:flex;flex-direction:column;gap:6px;flex:1}
.card-body h4{font-size:16px;color:var(--g900);line-height:1.4}
.card-body p{font-size:13px;color:var(--mut);flex:1}
.price-line{font-weight:800;color:var(--g700)}
.add-row{display:flex;gap:8px;align-items:center}
.add-row select{flex:1;padding:8px;border:1px solid var(--line);border-radius:10px;font-size:13px}
.add-btn{background:var(--g700);color:#fff;border:none;border-radius:10px;padding:8px 14px;font-weight:700;cursor:pointer}
.add-btn:hover{background:var(--g900)}
.badge{display:inline-block;font-size:11px;background:var(--g900);color:#fff;padding:2px 8px;border-radius:999px;margin-right:6px}
/* sets */
.sets{background:linear-gradient(180deg,var(--g50),#fff);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
/* price */
.price-layout{display:grid;grid-template-columns:1.6fr .9fr;gap:16px;align-items:start}
.table-card,.cart-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh);padding:16px}
.budget-row{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.budget-row label{flex:1;min-width:180px;font-size:14px;display:grid;gap:6px}
.budget-row input,.budget-row select{padding:10px;border:1px solid var(--line);border-radius:10px;font-size:15px;width:100%}
.table-wrap{overflow-x:auto;max-height:560px;overflow-y:auto;border:1px solid var(--line);border-radius:12px}
table{width:100%;border-collapse:collapse;font-size:14px;min-width:560px}
th{position:sticky;top:0;background:var(--g900);color:#fff;padding:10px;font-size:13px}
td{padding:8px 10px;border-bottom:1px solid var(--line)}
tr:nth-child(even) td{background:#f7fcf8}
td.num{font-weight:800;color:var(--g700);white-space:nowrap}
.qty{width:64px;padding:6px;border:1px solid var(--line);border-radius:8px}
.note{font-size:12px;color:var(--mut);margin-top:10px}
.cart-card{position:sticky;top:64px}
.cart-card h4{color:var(--g900);margin-bottom:10px}
.cart-items{display:grid;gap:8px;max-height:320px;overflow:auto;margin-bottom:12px}
.cart-items .empty{font-size:13px;color:var(--mut)}
.c-item{display:flex;justify-content:space-between;gap:8px;font-size:13px;background:var(--g50);border-radius:10px;padding:8px 10px}
.c-item button{border:none;background:none;cursor:pointer;font-size:14px}
.totals{display:grid;gap:6px;font-size:15px;margin-bottom:8px}
.totals div{display:flex;justify-content:space-between}
.totals strong{color:var(--g900)}
.bar{height:10px;background:var(--line);border-radius:99px;overflow:hidden;margin:8px 0}
#barFill{height:100%;width:0;background:linear-gradient(90deg,var(--g500),var(--g900));transition:width .3s}
.msg{font-size:13px;min-height:20px;margin-bottom:10px}
.msg.over{color:#b42318}.msg.ok{color:var(--g700)}
.cart-actions{display:grid;gap:8px}
/* about contact */
.about{background:var(--g900);color:#eafff2}
.about-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:22px;align-items:center}
.about img{border-radius:18px;aspect-ratio:4/3;object-fit:cover;width:100%}
.about h3{font-size:24px;margin-bottom:10px}
.about-list{margin-top:12px;display:grid;gap:8px;font-size:14px}
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}
.c-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px;box-shadow:var(--sh);display:grid;gap:10px;align-content:start}
.c-card h4{color:var(--g900)}
footer{background:var(--g900);color:#d9efe2}
.foot-in{padding:18px 16px;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;font-size:14px}
.tiny{opacity:.8;font-size:12px}
#toTop{position:fixed;right:16px;bottom:16px;width:44px;height:44px;border-radius:50%;border:none;background:var(--g700);color:#fff;font-size:20px;cursor:pointer;box-shadow:var(--sh);display:none}
@media(max-width:860px){
.hero{grid-template-columns:1fr;padding-top:24px}
.price-layout{grid-template-columns:1fr}
.cart-card{position:static}
.about-grid{grid-template-columns:1fr}
.timeline{grid-template-columns:1fr}
.nav{font-size:14px}
.topbar{font-size:12px}
}
/* story / knowledge / faq */
.eyebrow.light{background:#ffffff22;color:#fff}
.about h3{font-size:clamp(22px,4vw,30px);margin:6px 0 16px}
.story p{margin-bottom:12px;font-size:15px;opacity:.95}
.quote{border-left:4px solid var(--g300);background:#ffffff12;border-radius:0 12px 12px 0;padding:12px 16px;margin:16px 0;font-style:italic}
.quote cite{display:block;font-style:normal;font-size:13px;opacity:.85;margin-top:6px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}
.stats div{background:#ffffff12;border-radius:12px;padding:12px;text-align:center}
.stats strong{display:block;font-size:26px;color:#fff}
.stats span{font-size:12px;opacity:.9}
.tl-title{margin:26px 0 12px;font-size:18px}
.timeline{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;counter-reset:step}
.timeline li{background:#ffffff10;border:1px solid #ffffff22;border-radius:14px;padding:14px;display:grid;gap:6px;font-size:13px}
.timeline li::before{counter-increment:step;content:counter(step);width:28px;height:28px;border-radius:50%;background:var(--g300);color:var(--g900);font-weight:800;display:grid;place-items:center;font-size:14px}
.timeline strong{font-size:14px}
.know-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}
.know-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px;box-shadow:var(--sh);position:relative}
.know-n{position:absolute;top:12px;right:14px;width:30px;height:30px;border-radius:50%;background:var(--g100);color:var(--g900);font-weight:800;display:grid;place-items:center;font-size:14px}
.know-card h4{color:var(--g900);font-size:16px;margin:0 40px 8px 0}
.know-card p{font-size:13.5px;color:var(--mut)}
.faq{background:var(--g50);border-top:1px solid var(--line)}
.narrow{max-width:760px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:10px;box-shadow:var(--sh)}
.faq summary{cursor:pointer;font-weight:700;color:var(--g900);font-size:15px}
.faq details p{margin-top:8px;font-size:14px;color:var(--mut)}