:root{--ink:#202735;--muted:#66706f;--paper:#f5f4ed;--green:#254e43;--lime:#d9ef9e;--line:#d9ddd2;--white:#fff;--radius:22px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,"Noto Sans Thai",Tahoma,sans-serif;line-height:1.7}button,input,select,textarea{font:inherit}button,a,input,select,textarea{outline-offset:5px}a{color:inherit}button{cursor:pointer}header{position:sticky;top:0;z-index:10;background:#f5f4edf2;backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.nav{max-width:1200px;margin:auto;padding:16px 28px;display:flex;align-items:center;gap:25px}.logo{text-decoration:none;font-size:23px;font-weight:900;letter-spacing:-1px}.logo span{color:var(--green)}nav{display:flex;gap:24px;margin-left:auto;font-size:14px}nav a{text-decoration:none}.lang{border:1px solid var(--line);background:transparent;border-radius:30px;padding:6px 13px}.wrap{max-width:1200px;margin:auto;padding:0 28px}.hero{padding:85px 0 65px;display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}.eyebrow{text-transform:uppercase;font-size:12px;letter-spacing:2px;font-weight:bold;color:var(--green)}h1{font-size:clamp(38px,4.8vw,66px);line-height:1.2;letter-spacing:-2px;margin:22px 0}h1 em{font-style:normal;color:var(--green)}.lead{font-size:18px;color:var(--muted);max-width:560px}.btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;border-radius:100px;padding:13px 23px;text-decoration:none;font-weight:bold;border:1px solid var(--green);background:var(--green);color:white}.btn.alt{background:transparent;color:var(--green)}.actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 16px}.small{font-size:13px;color:var(--muted)}.heroart{background:#e3e7db;border-radius:32px;padding:34px 25px;position:relative}.browser{background:white;border-radius:16px;box-shadow:0 25px 55px #23392d16;overflow:hidden}.browserbar{padding:11px 15px;border-bottom:1px solid #eee;font-size:11px;color:#888;display:flex;gap:10px;align-items:center}.dots{color:#b4bcae;letter-spacing:2px}.mini{padding:25px}.minihead{font-size:11px;display:flex;justify-content:space-between;font-weight:bold}.minihouse{height:170px;background:linear-gradient(160deg,#d5dfcd,#b3c6b1);border-radius:9px;margin:18px 0;position:relative;overflow:hidden}.house{position:absolute;width:73%;height:65%;background:#f2efe5;left:15%;bottom:15%;box-shadow:12px 12px 0 #6e837433}.roof{position:absolute;left:10%;top:14%;width:80%;height:10%;background:#3b4b44}.window{position:absolute;left:23%;top:40%;width:46%;height:39%;background:repeating-linear-gradient(90deg,#748a80 0 30px,#c2cdc1 30px 34px)}.pool{position:absolute;bottom:6%;left:6%;height:15%;width:82%;background:#91beba;transform:skew(-18deg)}.mini h3{font-size:23px;line-height:1.3;margin:12px 0}.minibtn{display:inline-block;background:var(--green);color:white;padding:8px 16px;border-radius:25px;font-size:11px}.note{margin-top:18px;font-size:12px;color:var(--green)}.float{position:absolute;bottom:20px;right:8px;background:var(--lime);padding:12px 18px;border-radius:14px;font-size:13px;font-weight:bold}.strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px 0;display:flex;justify-content:space-between;gap:15px;color:var(--muted);font-size:13px}section{padding:75px 0}h2{font-size:clamp(29px,3.4vw,43px);line-height:1.3;letter-spacing:-1px;margin:10px 0 17px}.sub{color:var(--muted);max-width:690px;margin-bottom:30px}.painlayout{display:grid;grid-template-columns:1fr 1fr;gap:30px}.choices{display:grid;gap:10px}.choice{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border:1px solid var(--line);border-radius:14px;background:transparent;text-align:left;color:var(--ink)}.choice.active{background:var(--green);color:white;border-color:var(--green)}.answer{border-radius:var(--radius);padding:32px;background:white;display:flex;flex-direction:column;justify-content:center}.answer h3{font-size:25px;line-height:1.4;margin:12px 0}.answer p{color:var(--muted)}.answer .btn{align-self:flex-start}.tags{display:flex;gap:9px;flex-wrap:wrap}.tag{padding:8px 15px;background:white;border:1px solid var(--line);border-radius:30px;font-size:14px}.demoarea{background:var(--green);border-radius:30px;color:white;padding:38px;display:grid;grid-template-columns:.8fr 1.2fr;gap:40px;align-items:center}.demoarea .small{color:#cfdbd2}.switch{display:flex;gap:8px;margin:25px 0}.switch button{border:1px solid #ffffff55;border-radius:30px;background:transparent;color:white;padding:8px 18px}.switch .selected{background:var(--lime);color:var(--green);border-color:var(--lime)}.sample{background:white;padding:28px;border-radius:18px;color:var(--ink);min-height:285px}.sample.bad{background:#fafafa;font-family:serif}.bad h3{color:#733a9e;font-size:21px}.bad p{font-size:12px;max-width:350px;line-height:1.2}.bad .minibtn{background:#eee;color:#999}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{padding:27px;background:white;border:1px solid var(--line);border-radius:var(--radius)}.card h3{font-size:20px;margin:15px 0}.card p{color:var(--muted);font-size:15px}.num{color:var(--green);font-size:13px}.pricebox{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:25px;overflow:hidden}.priceleft{background:#e6eddd;padding:35px}.priceright{padding:35px;background:white}.price{font-size:56px;letter-spacing:-2px;font-weight:bold;line-height:1.3;margin:20px 0}.price small{font-size:16px;letter-spacing:0}.clean{list-style:none;padding:0}.clean li{margin:12px 0;padding-left:22px;position:relative}.clean li:before{content:"✓";position:absolute;left:0;color:var(--green)}details{border-bottom:1px solid var(--line);padding:18px 0}summary{cursor:pointer;font-weight:bold}details p{color:var(--muted);max-width:800px}.contact{display:grid;grid-template-columns:.85fr 1.15fr;gap:50px}.form{background:white;padding:30px;border-radius:25px;border:1px solid var(--line)}label{display:block;font-size:14px;margin-bottom:6px}.row{display:grid;grid-template-columns:1fr 1fr;gap:15px}.field{margin-bottom:16px}input,select,textarea{width:100%;border:1px solid #cbd1c7;border-radius:10px;padding:11px;background:#fcfcf9;color:var(--ink)}textarea{resize:vertical}.check{display:flex;gap:9px;align-items:flex-start;font-size:12px}.check input{width:auto;margin-top:5px}.status{margin-top:16px;font-size:14px;color:var(--green);white-space:pre-wrap}.briefout{display:none;margin-top:15px}.foot{padding:30px 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:25px;font-size:12px;color:var(--muted)}.mobilecta{display:none}.preview{background:#e8eadf;padding:6px;text-align:center;font-size:11px;color:#596b58}.ai{background:#e7ebdf;border-radius:22px;padding:30px;margin-top:24px} @media(max-width:800px){.hero{grid-template-columns:1fr;gap:30px;padding:45px 0}.heroart{max-width:520px;width:100%;margin:auto}nav{display:none}.lang{margin-left:auto}.wrap{padding:0 20px}.nav{padding:14px 20px}.painlayout,.demoarea,.pricebox,.contact{grid-template-columns:1fr}.grid3{grid-template-columns:1fr}.strip{flex-wrap:wrap;font-size:12px;justify-content:flex-start}.demoarea{padding:25px;gap:20px}section{padding:48px 0}.row{grid-template-columns:1fr}.price{font-size:47px}.mobilecta{display:block;position:fixed;bottom:14px;right:18px;z-index:20;box-shadow:0 5px 25px #254e4333}.foot{padding-bottom:85px;flex-direction:column}h1{letter-spacing:-1px}.float{right:12px}.form{padding:22px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}