@font-face{font-family:"Sarabun";src:url(/assets/fonts/Sarabun-Regular.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Sarabun";src:url(/assets/fonts/Sarabun-SemiBold.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Prompt";src:url(/assets/fonts/Prompt-Medium.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Prompt";src:url(/assets/fonts/Prompt-SemiBold.woff2) format("woff2");font-weight:600;font-display:swap}
:root{--ink:#14213d;--ink2:#3d4a66;--muted:#556074;--bg:#f7f8fb;--card:#fff;--line:#e3e7ef;--brand:#1f5eff;--brand-d:#1546c7;--accent:#ffb020;--soft:#eef3ff;--ok:#12a150;--r:14px;--shadow:0 1px 2px rgba(20,33,61,.06),0 6px 24px rgba(20,33,61,.06)}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:"Sarabun",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:17px;line-height:1.7;color:var(--ink);background:var(--bg)}
h1,h2,h3,.logo,.btn,.price{font-family:"Prompt","Sarabun",sans-serif;line-height:1.35}
h1{font-size:clamp(1.9rem,6vw,3rem);font-weight:600;margin:.2em 0 .4em;letter-spacing:-.01em}
h2{font-size:clamp(1.45rem,4.2vw,2rem);font-weight:600;margin:0 0 .5em}
h3{font-size:1.15rem;font-weight:600;margin:0 0 .3em}
a{color:var(--brand)}
p{margin:.4em 0 1em}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.narrow{max-width:760px}
header.site{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:60px;gap:12px}
.logo{display:flex;align-items:center;gap:9px;font-weight:600;font-size:1.15rem;color:var(--ink);text-decoration:none}
.logo .mark{width:30px;height:30px;border-radius:8px;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:.95rem;font-weight:600}
nav.top{display:flex;gap:18px;align-items:center}
nav.top a{color:var(--ink2);text-decoration:none;font-size:.97rem}
nav.top a:hover{color:var(--brand)}
nav.top .navlinks{display:none}
@media(min-width:820px){nav.top .navlinks{display:flex;gap:18px}}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:999px;padding:.8em 1.4em;font-size:1rem;font-weight:500;text-decoration:none;cursor:pointer;transition:transform .08s,background .15s;min-height:46px}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-d)}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn-sm{padding:.45em 1em;min-height:38px;font-size:.92rem}
.btn-lg{padding:1em 1.8em;font-size:1.1rem}
.hero{padding:48px 0 36px;background:radial-gradient(1200px 400px at 80% -10%,#dfe8ff 0,transparent 60%),linear-gradient(#fff,var(--bg))}
.eyebrow{display:inline-block;background:var(--soft);color:var(--brand-d);border-radius:999px;padding:.2em .9em;font-size:.9rem;font-weight:600}
.hero .lead{font-size:1.15rem;color:var(--ink2);max-width:640px}
.hero .ctas{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0 14px}
.hero small{color:var(--muted)}
.hero-grid{display:grid;gap:28px}
@media(min-width:900px){.hero-grid{grid-template-columns:1.1fr .9fr;align-items:center}.hero{padding:72px 0 56px}}
.demo{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden}
.demo .bar{display:flex;gap:6px;padding:10px 14px;border-bottom:1px solid var(--line);background:#fafbfd}
.demo .bar i{width:10px;height:10px;border-radius:50%;background:#e2e6ee;display:block}
.demo .body{padding:16px 18px;font-size:.95rem}
.demo .you{background:var(--soft);border-radius:12px;padding:10px 12px;margin-bottom:10px}
.demo .ai{background:#f4fbf6;border:1px solid #d7efdf;border-radius:12px;padding:10px 12px}
.demo .lbl{font-size:.78rem;font-weight:600;color:var(--muted);display:block;margin-bottom:2px}
section{padding:48px 0}
section.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sub{color:var(--ink2);margin-top:-.2em}
.grid{display:grid;gap:16px}
@media(min-width:640px){.g2{grid-template-columns:1fr 1fr}}
@media(min-width:900px){.g3{grid-template-columns:repeat(3,1fr)}.g5{grid-template-columns:repeat(3,1fr)}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;box-shadow:var(--shadow)}
.card p{margin:.2em 0 0;color:var(--ink2)}
a.card{text-decoration:none;color:inherit;display:block;transition:border-color .15s,transform .15s}
a.card:hover{border-color:var(--brand);transform:translateY(-2px)}
.card .ico{font-size:1.6rem;line-height:1}
.card .meta{color:var(--brand-d);font-weight:600;font-size:.9rem;margin-top:10px;display:block}
.pain{display:flex;gap:12px;align-items:flex-start}
.pain b{flex:none;width:34px;height:34px;border-radius:10px;background:#fff4e0;color:#9a5b00;display:grid;place-items:center;font-family:Prompt}
.steps{counter-reset:s}
.step{position:relative;padding-left:52px}
.step:before{counter-increment:s;content:counter(s);position:absolute;left:0;top:0;width:38px;height:38px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;font-family:Prompt;font-weight:600}
.prompt{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);margin:0 0 22px;overflow:hidden}
.prompt .ph{padding:16px 18px 10px;display:flex;justify-content:space-between;gap:12px;align-items:flex-start}
.prompt .ph .id{font-size:.8rem;color:var(--muted);font-weight:600;letter-spacing:.04em}
.prompt .when{padding:0 18px;color:var(--ink2);font-size:.96rem;margin:0 0 10px}
.prompt pre{margin:0;padding:16px 18px;background:#f8faff;border-top:1px dashed var(--line);white-space:pre-wrap;word-break:break-word;font-family:"Sarabun",sans-serif;font-size:.95rem;line-height:1.65;max-height:420px;overflow:auto}
.prompt pre mark{background:#fff1c9;color:#6b4500;border-radius:4px;padding:0 2px}
.copy{flex:none}
.copy.done{background:var(--ok)}
.tag{display:inline-block;font-size:.78rem;font-weight:600;border-radius:999px;padding:.1em .7em;background:var(--soft);color:var(--brand-d);margin-right:6px}
.locked{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.locked li{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 14px;color:var(--ink2);display:flex;gap:10px;align-items:center}
.locked li:before{content:"🔒";font-size:.9rem}
.pricing{display:grid;gap:20px;align-items:stretch}
@media(min-width:860px){.pricing{grid-template-columns:1.2fr .8fr}}
.plan{background:#fff;border:2px solid var(--brand);border-radius:18px;padding:26px;box-shadow:var(--shadow)}
.price{font-size:3rem;font-weight:600;line-height:1}
.price small{font-size:1rem;color:var(--muted);font-weight:500}
.checks{list-style:none;padding:0;margin:16px 0}
.checks li{padding-left:28px;position:relative;margin:.35em 0}
.checks li:before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:700}
.note{font-size:.9rem;color:var(--muted)}
.lead-box{background:var(--ink);color:#fff;border-radius:18px;padding:26px}
.lead-box h2,.lead-box h3{color:#fff}
.lead-box p{color:#c9d2e8}
form.signup{display:grid;gap:10px;margin-top:14px}
form.signup input[type=email]{width:100%;font:inherit;padding:.8em 1em;border-radius:12px;border:1px solid #3a4768;background:#0f1a33;color:#fff;min-height:48px}
form.signup label.consent{font-size:.88rem;color:#c9d2e8;display:flex;gap:8px;align-items:flex-start}
form.signup label.consent a{color:#9fb8ff}
.form-msg{font-size:.92rem;min-height:1.4em;color:#ffe2a3}
details.faq{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin-bottom:10px}
details.faq summary{cursor:pointer;font-weight:600;font-family:Prompt;list-style:none}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary:after{content:"+";float:right;color:var(--brand);font-size:1.3rem;line-height:1}
details.faq[open] summary:after{content:"–"}
details.faq p{margin:.6em 0 0;color:var(--ink2)}
.crumbs{font-size:.9rem;color:var(--muted);margin-bottom:6px}
.crumbs a{color:var(--muted)}
.page-head{padding:36px 0 18px;background:linear-gradient(#fff,var(--bg))}
.catnav{display:flex;gap:8px;overflow-x:auto;padding:4px 0 10px;scrollbar-width:none}
.catnav a{flex:none;border:1px solid var(--line);background:#fff;border-radius:999px;padding:.35em 1em;text-decoration:none;color:var(--ink2);font-size:.92rem}
.catnav a.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.prose h2{margin-top:1.4em;font-size:1.35rem}
.prose li{margin:.3em 0}
footer.site{padding:36px 0 90px;color:var(--muted);font-size:.92rem;border-top:1px solid var(--line);background:#fff}
footer.site .cols{display:flex;flex-wrap:wrap;gap:18px 28px;justify-content:space-between}
footer.site a{color:var(--ink2);text-decoration:none;margin-right:14px}
.stickybuy{position:fixed;left:0;right:0;bottom:0;z-index:30;background:#fff;border-top:1px solid var(--line);padding:10px 16px;display:flex;align-items:center;justify-content:space-between;gap:10px;box-shadow:0 -6px 20px rgba(20,33,61,.08)}
.stickybuy b{font-family:Prompt}
@media(min-width:820px){.stickybuy{display:none}footer.site{padding-bottom:36px}}
.toast{position:fixed;left:50%;bottom:84px;transform:translateX(-50%) translateY(20px);background:var(--ink);color:#fff;padding:.7em 1.2em;border-radius:12px;opacity:0;transition:.2s;z-index:50;max-width:90vw;font-size:.95rem;pointer-events:none}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.center{text-align:center}
.mt0{margin-top:0}
mark{background:#fff1c9;color:#6b4500;border-radius:4px;padding:0 3px}
.logo .mark{font-family:"Sarabun",sans-serif;font-size:1.05rem}
.nw{white-space:nowrap}
@media(max-width:560px){.hero .ctas .btn{flex:1 1 100%}}
a.card.cta{background:var(--ink);color:#fff;border-color:var(--ink)}
a.card.cta p{color:#c9d2e8}
a.card.cta .meta{color:var(--accent)}

/* Mobile: sticky buy bar clearance + darker small print already via --muted */
main{padding-bottom:24px}
@media(max-width:819px){
  main{padding-bottom:88px}
  footer.site{padding-bottom:110px}
  #faq{padding-bottom:12px}
  .note,.crumbs,.hero small,.price small,.prompt .ph .id,.demo .lbl{color:var(--muted)}
}
/* Pre-launch: disabled buy CTA */
.btn-soon{opacity:.78;cursor:not-allowed;pointer-events:none;filter:saturate(.85);box-shadow:none}
.stickybuy .btn-soon{min-width:7.5rem;text-align:center}