:root{--lime:#C8F04A;--lime-soft:#E6F7A6;--bg:#EEF3EA;--white:#FFFFFF;--black:#1B1B1B;--mute:rgba(27,27,27,.62);--line:rgba(27,27,27,.08);--r:22px;--max:1180px;--pad:16px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--black);font-family:'Prompt',sans-serif;font-size:16px;line-height:1.75;font-weight:400}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--black)}
h1,h2,h3,.k{font-family:'Kanit',sans-serif;font-weight:600;line-height:1.25;margin:0 0 .5em}
h1{font-size:26px}h2{font-size:22px;margin-top:1.6em}h3{font-size:18px;margin-top:1.2em}
p{margin:0 0 1em}
strong{font-weight:600}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
.sr{position:absolute;left:-9999px}

/* ---- motion (from KAI design) ---- */
@keyframes kaiUp{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}
@keyframes kaiFloat{0%,100%{transform:translateY(0) rotate(-4deg)}50%{transform:translateY(-18px) rotate(4deg)}}
@keyframes kaiDrift{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(-30px,18px) scale(1.15)}}
@keyframes kaiPulse{0%,100%{box-shadow:0 0 0 0 rgba(27,27,27,.35);transform:scale(1)}50%{transform:scale(1.03)}60%{box-shadow:0 0 0 16px rgba(27,27,27,0)}}
@keyframes kaiPop{0%{transform:scale(.6);opacity:0}70%{transform:scale(1.08);opacity:1}100%{transform:scale(1)}}
@keyframes kaiCrawl{0%{transform:translateX(-40px)}100%{transform:translateX(calc(100% + 440px))}}
@keyframes kaiWiggle{0%,100%{transform:rotate(-8deg)}50%{transform:rotate(8deg)}}
@keyframes kaiBreathe{0%,100%{transform:scale(1)}50%{transform:scale(1.06)}}
@keyframes kaiShine{0%{transform:translateX(-120%) skewX(-20deg)}100%{transform:translateX(320%) skewX(-20deg)}}
@keyframes kaiBlink{0%,100%{opacity:1}50%{opacity:.25}}
.kai-float{animation:kaiFloat 2.6s ease-in-out infinite}
.kai-drift{animation:kaiDrift 4s ease-in-out infinite}
.kai-pulse{animation:kaiPulse 1.6s ease-in-out infinite}
.kai-pop{animation:kaiPop .5s cubic-bezier(.2,.8,.2,1) both}
.kai-wiggle{animation:kaiWiggle 1.8s ease-in-out infinite;transform-origin:50% 50%}
.kai-breathe{animation:kaiBreathe 2.4s ease-in-out infinite}
.kai-blink{animation:kaiBlink 1.2s ease-in-out infinite}
.kai-shine{position:relative;overflow:hidden}
.kai-shine::after{content:"";position:absolute;top:0;bottom:0;left:0;width:40%;background:linear-gradient(90deg,rgba(255,255,255,0) 0%,rgba(255,255,255,.35) 50%,rgba(255,255,255,0) 100%);animation:kaiShine 2.2s ease-in-out infinite;pointer-events:none}
.kai-ant{position:absolute;bottom:6px;left:0;animation:kaiCrawl 4s linear infinite;pointer-events:none}
main>*{animation:kaiUp .55s cubic-bezier(.2,.8,.2,1) both}
main>:nth-child(2){animation-delay:.07s}main>:nth-child(3){animation-delay:.14s}main>:nth-child(4){animation-delay:.21s}main>:nth-child(5){animation-delay:.28s}main>:nth-child(6){animation-delay:.35s}main>:nth-child(7){animation-delay:.42s}main>:nth-child(8){animation-delay:.49s}
.btn,.chip,.card,.ib,.bnav a,.nav a{transition:transform .18s ease,background-color .2s ease,opacity .2s ease}
.btn:hover,.chip:hover,.card:hover,.ib:hover,.nav a:hover{transform:translateY(-2px)}
.btn:active,.chip:active,.card:active,.ib:active,.bnav a:active{transform:scale(.96)}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}

/* ---- header ---- */
.hd{position:sticky;top:0;z-index:20;background:var(--bg)}
.hd .wrap{display:flex;align-items:center;gap:12px;min-height:72px;padding-top:6px;padding-bottom:6px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand .mark{width:48px;height:48px;border-radius:999px;background:var(--lime);display:grid;place-items:center;overflow:hidden;flex:none}
.brand .mark img{width:34px;height:auto;filter:drop-shadow(0 1px 1.5px rgba(27,27,27,.32))}
.brand b{font-family:'Kanit',sans-serif;font-size:20px;font-weight:700;letter-spacing:1px;display:block;line-height:1.1}
.brand small{font-size:12px;color:var(--mute);display:block;line-height:1.3}
.ib{width:48px;height:48px;border:0;border-radius:999px;background:var(--white);display:grid;place-items:center;cursor:pointer;text-decoration:none;flex:none;padding:0;color:var(--black)}
.ib svg{width:20px;height:20px}
.nav{margin-left:auto;display:flex;gap:6px;align-items:center}
.nav a{text-decoration:none;font-size:14px;font-weight:500;padding:0 18px;height:44px;display:inline-flex;align-items:center;border-radius:999px;background:var(--white);white-space:nowrap}
.nav a.on,.nav a:hover{background:var(--lime)}
.nav a.cta{background:var(--black);color:var(--white)}
.burger{display:none;margin-left:auto}
.drawer{display:none}
@media(max-width:860px){
  .nav{display:none}
  .burger{display:grid}
  .drawer{display:block;position:fixed;inset:0;z-index:40;visibility:hidden}
  .drawer .bg{position:absolute;inset:0;background:rgba(27,27,27,.45);opacity:0;transition:opacity .2s}
  .drawer .panel{position:absolute;top:0;right:0;bottom:0;width:min(86vw,360px);background:var(--bg);padding:18px 16px;transform:translateX(100%);transition:transform .22s;display:flex;flex-direction:column;gap:8px;overflow:auto}
  .drawer.open{visibility:visible}
  .drawer.open .bg{opacity:1}
  .drawer.open .panel{transform:none}
  .drawer .x{align-self:flex-end;width:48px;height:48px;border:0;border-radius:999px;background:var(--white);font-size:22px;cursor:pointer}
  .drawer a{text-decoration:none;font-size:16px;font-weight:500;padding:12px 18px;border-radius:16px;background:var(--white);min-height:48px;display:flex;align-items:center}
  .drawer a.on{background:var(--lime)}
  .drawer a.cta{background:var(--black);color:var(--white)}
}

/* ---- pills / chips ---- */
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}
.chip{border:0;background:var(--white);border-radius:999px;padding:0 20px;height:44px;font:inherit;font-size:14px;font-weight:500;cursor:pointer;color:var(--black)}
.chip.on{background:var(--lime);font-weight:600}
.tag{display:inline-block;background:var(--black);color:var(--white);border-radius:999px;padding:4px 12px;font-size:12px;font-weight:500}
.tag.w{background:rgba(255,255,255,.55);color:var(--black)}
.mini{font-size:13px;color:var(--mute)}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:54px;padding:0 24px;border-radius:999px;text-decoration:none;font-family:'Kanit',sans-serif;font-weight:600;font-size:17px;border:0;cursor:pointer;color:var(--black);white-space:nowrap}
.btn.k{background:var(--black);color:var(--white)}
.btn.l{background:var(--lime);color:var(--black)}
.btn.w{background:var(--white);color:var(--black)}
.btn svg{width:20px;height:20px;flex:none}
.btns{display:flex;flex-direction:column;gap:10px;margin:14px 0}
.btns .btn{width:100%}
@media(min-width:760px){.btns{flex-direction:row;flex-wrap:wrap}.btns .btn{width:auto;min-width:220px}}

/* ---- illustration blocks ---- */
.ill{position:relative;overflow:hidden;background:var(--lime);border-radius:24px;display:grid;place-items:center}
.ill .drift{position:absolute;left:-50px;bottom:-70px;width:200px;height:200px;border-radius:999px;background:rgba(255,255,255,.3);animation:kaiDrift 4s ease-in-out infinite}
.ill img{position:relative;width:min(56%,190px);animation:kaiFloat 2.6s ease-in-out infinite}

/* ---- home hero ---- */
.hero{display:grid;gap:14px;padding:6px 0 6px}
.feat{background:var(--white);border-radius:var(--r);padding:14px;display:flex;gap:12px;position:relative;overflow:hidden}
.feat .th{width:118px;min-height:132px;border-radius:16px;background:var(--lime);display:grid;place-items:center;flex:none}
.feat .th img{width:82px;animation:kaiFloat 2.6s ease-in-out infinite}
.feat .info{display:flex;flex-direction:column;gap:8px;flex:1;min-width:0}
.feat .nm{font-family:'Kanit',sans-serif;font-weight:600;font-size:16px;line-height:1.25}
.feat .st{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--mute)}
.feat .st i{width:8px;height:8px;border-radius:999px;background:var(--black);display:inline-block;animation:kaiBlink 1.2s ease-in-out infinite}
.row{display:flex;align-items:center;gap:10px;background:var(--bg);border-radius:12px;padding:8px 10px;font-size:12px}
.row .ic{width:28px;height:28px;border-radius:8px;background:var(--white);display:grid;place-items:center;flex:none}
.row .ic svg{width:14px;height:14px}
.row b{display:block;font-weight:500;font-size:12px}
.row span{color:var(--mute)}
.big{background:var(--white);border-radius:var(--r);padding:18px;display:flex;flex-direction:column;gap:14px;position:relative;overflow:hidden;min-height:400px}
.big .drift{position:absolute;right:-30px;top:60px;width:210px;height:210px;border-radius:999px;background:var(--lime);opacity:.35;animation:kaiDrift 4s ease-in-out infinite}
.big .fl{position:absolute;right:16px;top:86px;width:150px;pointer-events:none}
.big .fl img{animation:kaiFloat 2.6s ease-in-out infinite}
.big>*{position:relative}
.big h1{font-size:22px;line-height:1.2;margin:0;max-width:calc(100% - 150px)}
.big .lead{font-size:13px;color:rgba(27,27,27,.7);max-width:calc(100% - 150px);margin:0}
.big .sp{flex:1}
.stats{display:flex;align-items:flex-end;gap:14px}
.stats div{display:flex;flex-direction:column}
.stats b{font-family:'Kanit',sans-serif;font-weight:600;font-size:22px;line-height:1.1}
.stats span{font-size:11px;color:var(--mute)}
.stats i{width:1px;height:34px;background:var(--lime)}
.big .btn{width:100%}
.sec{display:flex;align-items:center;justify-content:space-between;margin:18px 0 0}
.sec h2{margin:0;font-size:17px}
.sec a{font-size:12px;color:var(--mute);text-decoration:none}
@media(min-width:760px){
  .hero{grid-template-columns:1fr 1.4fr;align-items:stretch}
  .big{min-height:460px;padding:26px}
  .big h1{font-size:30px}
  .big .lead{font-size:15px}
  .big .fl{width:220px;right:26px;top:70px}
  .big .drift{width:300px;height:300px}
  .big .btn{width:auto;min-width:260px}
}

/* ---- product page ---- */
.pd{display:grid;gap:16px;padding:6px 0}
.pd .ill{min-height:230px}
.pd .top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.pd .top h1{font-size:22px;line-height:1.2;margin:0}
.price{font-family:'Kanit',sans-serif;font-size:26px;font-weight:700;line-height:1;margin:0;text-align:right;white-space:nowrap}
.price s{display:block;font-size:12px;color:var(--mute);font-weight:400;margin-top:4px}
.check{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.check li{background:var(--white);border-radius:14px;padding:10px 12px;display:flex;gap:10px;align-items:center;font-size:13px}
.check li::before{content:"";width:30px;height:30px;border-radius:8px;background:var(--lime) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='none'%3E%3Cpath d='M4 10 L8 14 L16 6' stroke='%231B1B1B' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/14px no-repeat;flex:none}
.qty{display:flex;align-items:center;justify-content:space-between;background:var(--white);border-radius:999px;padding:6px 6px 6px 18px;font-size:14px;font-weight:500}
.qty div{display:flex;align-items:center;gap:4px}
.qty button{width:44px;height:44px;border-radius:999px;border:0;font-size:20px;font-family:inherit;cursor:pointer;background:var(--bg);color:var(--black)}
.qty button.p{background:var(--black);color:var(--white)}
.qty output{width:36px;text-align:center;font-family:'Kanit',sans-serif;font-weight:600;font-size:18px}
@media(min-width:760px){.pd{grid-template-columns:1fr 1fr;align-items:start}.pd .ill{min-height:360px;grid-row:span 5}.pd .top h1{font-size:28px}}

/* ---- cards ---- */
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:10px 0 24px}
@media(min-width:760px){.grid{grid-template-columns:repeat(4,1fr)}}
.card{background:var(--white);border-radius:var(--r);padding:12px;display:flex;flex-direction:column;gap:8px;text-decoration:none;position:relative;overflow:hidden}
.card .ph{background:var(--lime);border-radius:16px;aspect-ratio:1/1;display:grid;place-items:center;overflow:hidden;position:relative}
.card .ph::before{content:"";position:absolute;left:-40px;bottom:-60px;width:150px;height:150px;border-radius:999px;background:rgba(255,255,255,.3);animation:kaiDrift 4s ease-in-out infinite}
.card .ph img{width:64%;position:relative;animation:kaiFloat 2.6s ease-in-out infinite}
.card .ph.a img{width:86%;animation:none}
.card .nm{font-family:'Kanit',sans-serif;font-weight:600;font-size:15px;line-height:1.3;min-height:2.6em}
.card .pr{font-family:'Kanit',sans-serif;font-weight:700;font-size:20px}
.card .pr s{font-size:12px;color:var(--mute);font-weight:400;margin-left:6px}
.card .go{margin-top:auto;background:var(--black);color:var(--white);border-radius:999px;text-align:center;padding:11px;font-family:'Kanit',sans-serif;font-weight:600;font-size:14px}

/* ---- CTA bar after first paragraph ---- */
.ctabar{background:var(--white);border-radius:var(--r);padding:12px;display:flex;gap:12px;align-items:center;margin:18px 0;flex-wrap:wrap}
.ctabar .ph{width:64px;height:64px;border-radius:14px;background:var(--lime);display:grid;place-items:center;flex:none}
.ctabar .ph img{width:44px}
.ctabar .t{flex:1;min-width:160px;font-size:13px;line-height:1.4;color:var(--mute)}
.ctabar .t b{display:block;font-family:'Kanit',sans-serif;font-weight:600;font-size:15px;color:var(--black)}
.ctabar .btn{height:44px;padding:0 16px;font-size:14px}

/* ---- article ---- */
.art{background:var(--white);border-radius:28px;padding:22px 16px;margin:14px 0}
@media(min-width:760px){.art{padding:34px 40px}}
.meta{font-size:13px;color:var(--mute);margin:4px 0 14px}
.fig{margin:14px 0 18px;background:var(--bg);border-radius:18px;padding:12px}
.fig img,.fig svg{width:100%;max-height:340px;object-fit:contain}
.fig figcaption{font-size:13px;color:var(--mute);margin-top:6px;text-align:center}
.crumb{font-size:13px;color:var(--mute);margin:10px 0 0;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.crumb a{color:var(--mute);text-decoration:none}
.crumb a:hover{text-decoration:underline}
.crumb .back{width:44px;height:44px;flex:none}
table{width:100%;border-collapse:collapse;margin:12px 0 18px;font-size:14px;background:var(--white);border-radius:14px;overflow:hidden}
th,td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{background:var(--lime-soft);font-weight:500}
.faq h3{background:var(--bg);border-radius:14px;padding:12px 14px;margin:12px 0 6px;font-size:16px}
.spec-pending{background:var(--white);border-radius:14px;padding:12px 14px;font-size:13px;color:var(--mute)}
.spec-pending ul{margin:6px 0 0;padding-left:18px}
.note{background:var(--lime-soft);border-radius:14px;padding:12px 14px;font-size:14px;margin:12px 0}

/* ---- checkout ---- */
.cohd{display:flex;align-items:center;justify-content:space-between;margin:8px 0 6px}
.cohd h1{font-size:18px;margin:0}
.sum{display:flex;align-items:center;gap:12px;background:var(--white);border-radius:18px;padding:10px;margin:0 0 14px}
.sum .th{width:56px;height:56px;border-radius:12px;background:var(--lime);display:grid;place-items:center;flex:none}
.sum .th img{width:38px}
.sum .t{flex:1;min-width:0}
.sum .t b{display:block;font-family:'Kanit',sans-serif;font-weight:600;font-size:15px;line-height:1.3}
.sum .t span{font-size:12px;color:var(--mute)}
.sum .pr{font-family:'Kanit',sans-serif;font-weight:700;font-size:18px;padding-right:6px}
form.co{display:grid;gap:8px;max-width:640px}
form.co .lbl{font-size:12px;font-weight:500;color:var(--mute);margin-top:6px}
.fld{display:flex;flex-direction:column;gap:2px;background:var(--white);border-radius:14px;padding:8px 14px}
.fld span{font-size:11px;color:rgba(27,27,27,.55)}
.fld input,.fld textarea,.fld select{width:100%;font:inherit;font-size:16px;padding:2px 0;border:0;background:transparent;color:var(--black);outline:none;line-height:1.5}
.fld textarea{resize:none}
.pay{display:flex;flex-wrap:wrap;gap:8px}
.pay label{background:var(--white);border-radius:999px;padding:0 16px;font-size:13px;font-weight:500;color:var(--black);cursor:pointer;height:44px;display:flex;align-items:center;white-space:nowrap}
.pay label:has(input:checked){background:var(--lime);font-weight:600}
.pay input{position:absolute;opacity:0;width:0;height:0}
.total{display:flex;justify-content:space-between;align-items:center;font-size:14px;color:rgba(27,27,27,.7);padding:8px 6px 0}
.total b{font-family:'Kanit',sans-serif;font-size:24px;font-weight:700;color:var(--black)}
form.co .btn{width:100%}
.linelink{display:flex;align-items:center;justify-content:center;gap:6px;font-size:13px;font-weight:500;text-decoration:none;min-height:44px}
.linelink svg{width:16px;height:16px}

/* ---- bottom nav (mobile) ---- */
.bnav{position:fixed;left:16px;right:16px;bottom:14px;z-index:30;background:var(--white);border-radius:999px;padding:6px;display:flex;align-items:center;justify-content:space-between;box-shadow:0 10px 28px rgba(27,27,27,.14)}
.bnav a{width:52px;height:52px;border-radius:999px;display:grid;place-items:center;text-decoration:none;color:var(--black)}
.bnav a svg{width:20px;height:20px}
.bnav a.on{background:var(--lime);animation:kaiBreathe 2.4s ease-in-out infinite}
.bnav a.line{background:var(--black);color:var(--white)}
@media(min-width:861px){.bnav{display:none}}

/* ---- footer ---- */
.ft{margin-top:40px;padding:26px 0 96px;font-size:14px;color:var(--mute)}
.ft a{color:var(--mute)}
.ft .cols{display:grid;gap:14px}
@media(min-width:760px){.ft .cols{grid-template-columns:1fr 1fr 1fr}.ft{padding-bottom:40px}}
.ft ul{list-style:none;padding:0;margin:6px 0}
.ft li{margin:2px 0}