/* Layout: navy hero with a live-looking Thai quotation, then skill catalogue with role filter, 4-step flow, sign-up desk, FAQ.
   Brand: อ.เก่ง magenta #d50058 · navy #002b49 · blue #0082ca · cyan #64d0e4 · grey #d0d3d4 */
:root{
  --bg:#f3f6f8; --surface:#ffffff; --fg:#0f2230; --muted:#56687a; --line:#d0d3d4; --soft:#e6f0f6;
  --navy:#002b49; --navy-2:#0b3a5e; --on-navy:#f2f7fa; --on-navy-muted:#a9c3d6;
  --accent:#d50058; --accent-ink:#ffffff; --blue:#0082ca; --cyan:#64d0e4;
  --paper:#ffffff; --paper-ink:#1a2a36; --paper-line:#e2e7eb;
  --ok:#17844a; --warn:#a86400; --bad:#c0392b;
  --display:"Prompt","IBM Plex Sans Thai",system-ui,sans-serif;
  --body:"IBM Plex Sans Thai","Prompt",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,monospace;
  --r:14px;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#08131c; --surface:#0f2130; --fg:#e3ecf2; --muted:#9db1c1; --line:#243949; --soft:#14304a;
  --navy:#001a2e; --navy-2:#06263f; --on-navy:#eef5f9; --on-navy-muted:#93b2c8;
  --accent:#ff3f86; --accent-ink:#ffffff; --blue:#4fb6f0; --cyan:#64d0e4;
  --paper:#f7f9fb; --paper-ink:#1a2a36; --paper-line:#dde3e8;
  --ok:#47c07c; --warn:#e5a03a; --bad:#ef6e60; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#08131c; --surface:#0f2130; --fg:#e3ecf2; --muted:#9db1c1; --line:#243949; --soft:#14304a;
  --navy:#001a2e; --navy-2:#06263f; --on-navy:#eef5f9; --on-navy-muted:#93b2c8;
  --accent:#ff3f86; --accent-ink:#ffffff; --blue:#4fb6f0; --cyan:#64d0e4;
  --paper:#f7f9fb; --paper-ink:#1a2a36; --paper-line:#dde3e8;
  --ok:#47c07c; --warn:#e5a03a; --bad:#ef6e60; color-scheme:dark}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.75 var(--body);-webkit-font-smoothing:antialiased}
img{max-width:100%}
a{color:var(--blue)}
h1,h2,h3{font-family:var(--display);text-wrap:balance;margin:0;line-height:1.25;font-weight:600}
p{margin:0}
[hidden]{display:none!important}
.in{max-width:1120px;margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
.narrow{max-width:760px}
.eyebrow{font:600 14px/1.4 var(--display);letter-spacing:.01em;color:var(--accent)}
.muted{color:var(--muted)}
.small{font-size:14px}
.tnum{font-variant-numeric:tabular-nums}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:600 16px/1 var(--display);padding:14px 22px;border-radius:999px;border:1.5px solid transparent;cursor:pointer;text-decoration:none;transition:transform .12s ease,filter .12s ease,background .12s ease}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:var(--accent-ink)}
.btn-primary:hover{filter:brightness(1.08)}
.btn-ghost{background:transparent;color:inherit;border-color:currentColor}
.btn-line{background:#06c755;color:#fff}
.btn-line:hover{filter:brightness(1.06)}
.btn-quiet{background:var(--surface);color:var(--fg);border-color:var(--line);font-size:15px;padding:10px 16px}
.btn-quiet:hover{border-color:var(--blue)}
.btn:disabled{opacity:.55;cursor:default}
:focus-visible{outline:2.5px solid var(--cyan);outline-offset:3px}

/* top bar */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--navy);color:var(--on-navy);border-bottom:1px solid rgba(255,255,255,.08)}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:21;background:var(--navy)}
.top .in{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-block:12px}
.brand{display:flex;align-items:center;gap:10px;color:inherit;text-decoration:none;font:600 16px var(--display);min-width:0}
.brand .mark{width:34px;height:34px;border-radius:9px;background:var(--accent);display:grid;place-items:center;font:700 15px var(--display);color:#fff;flex:none}
.brand span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.top .btn{padding:10px 18px;font-size:15px}

/* hero */
.hero{background:var(--navy);color:var(--on-navy);overflow:hidden;position:relative}
.hero::after{content:"";position:absolute;right:-180px;top:-120px;width:560px;height:560px;border-radius:50%;background:radial-gradient(circle,rgba(100,208,228,.18),transparent 65%);pointer-events:none}
.hero .in{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:48px;align-items:center;padding-block:64px 72px;position:relative;z-index:1}
.hero h1{font-size:clamp(32px,5vw,54px);font-weight:700;letter-spacing:-.01em}
.hero h1 em{font-style:normal;color:var(--cyan)}
.nw{white-space:nowrap}
@media (max-width:340px){.nw{white-space:normal}}
.hero .lead{font-size:18px;color:var(--on-navy-muted);max-width:34em;margin-top:18px}
.hero .ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero .ctas .btn-ghost{color:var(--on-navy)}
.badges{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:26px;font-size:14px;color:var(--on-navy-muted)}
.badges b{color:var(--on-navy);font-weight:600}
.free-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(213,0,88,.18);color:#ff9cc2;border:1px solid rgba(255,90,150,.45);border-radius:999px;padding:5px 14px;font:600 14px var(--display);margin-bottom:18px}
.free-tag i{width:8px;height:8px;border-radius:50%;background:#ff5c98;display:block}
@media (prefers-reduced-motion:no-preference){.free-tag i{animation:pulse 2s ease-in-out infinite}@keyframes pulse{50%{opacity:.35}}}

/* the quotation "paper" */
.paper{background:var(--paper);color:var(--paper-ink);border-radius:12px;padding:22px 22px 18px;box-shadow:0 30px 60px -20px rgba(0,0,0,.5),0 0 0 1px rgba(255,255,255,.06);font-size:14px;transform:rotate(1.2deg);position:relative}
.paper .ph{display:flex;justify-content:space-between;gap:12px;border-bottom:2px solid var(--paper-ink);padding-bottom:10px;margin-bottom:10px}
.paper .ph b{font:700 18px var(--display)}
.paper .ph small{display:block;color:#5d6d79;font-size:12px}
.paper table{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums}
.paper td{padding:5px 0;border-bottom:1px solid var(--paper-line)}
.paper td:last-child{text-align:right;white-space:nowrap}
.paper tr.total td{font-weight:700;border-bottom:2px solid var(--paper-ink)}
.paper tr.wht td{color:#a3004a}
.paper tr.net td{font:700 16px var(--display);border:0;padding-top:8px}
.paper .words{margin-top:8px;background:#fff1f6;border-radius:6px;padding:7px 10px;font-weight:600;color:#a3004a}
.paper .stamp{position:absolute;right:-12px;bottom:-16px;transform:rotate(-8deg);background:var(--blue);color:#fff;font:600 13px var(--display);border-radius:8px;padding:6px 12px;box-shadow:0 8px 18px -6px rgba(0,0,0,.4)}
@media (max-width:880px){.hero .in{grid-template-columns:1fr;gap:40px;padding-block:44px 56px}.paper{transform:none;max-width:460px}}

/* sections */
section.band{padding-block:72px}
.sec-head{display:flex;flex-direction:column;gap:10px;margin-bottom:28px;max-width:44em}
.sec-head h2{font-size:clamp(26px,3.6vw,36px);color:var(--fg)}
.sec-head p{color:var(--muted);font-size:17px}

/* pain strip */
.pains{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);overflow:hidden}
.pain{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;min-width:0}
.pain+.pain{border-left:1px solid var(--line)}
.pain .tag{font:600 13px var(--display);color:var(--muted)}
.pain .bad{font-size:15px;color:var(--muted);text-decoration:line-through;text-decoration-color:color-mix(in srgb,var(--bad) 60%,transparent)}
.pain .good{font:600 17px/1.5 var(--display)}
@media (max-width:760px){.pains{grid-template-columns:1fr}.pain+.pain{border-left:0;border-top:1px solid var(--line)}}

/* skills catalogue */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.chip{font:500 15px var(--body);border:1.5px solid var(--line);background:var(--surface);color:var(--fg);border-radius:999px;padding:7px 15px;cursor:pointer}
.chip[aria-pressed="true"]{background:var(--navy);border-color:var(--navy);color:var(--on-navy)}
:root[data-theme="dark"] .chip[aria-pressed="true"]{background:var(--blue);border-color:var(--blue)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .chip[aria-pressed="true"]{background:var(--blue);border-color:var(--blue)}}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
@media (max-width:760px){.grid{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px;display:flex;flex-direction:column;gap:12px;min-width:0}
.card .head{display:flex;gap:12px;align-items:baseline;justify-content:space-between}
.card h3{font-size:19px}
.card .code{font:500 12px var(--mono);color:var(--muted);flex:none}
.card .get{color:var(--muted);font-size:15px}
.io{display:grid;grid-template-columns:minmax(0,1fr);gap:0;border-radius:10px;overflow:hidden;border:1px solid var(--line);font-size:14px}
.io div{padding:10px 12px;white-space:pre-line}
.io .i{background:var(--bg);color:var(--muted)}
.io .o{background:var(--soft);color:var(--fg);font-variant-numeric:tabular-nums}
.io b{display:block;font:600 12px var(--display);color:var(--muted);margin-bottom:2px}
.io .o b{color:var(--blue)}
.who{display:flex;flex-wrap:wrap;gap:6px}
.who span{font-size:12px;border-radius:999px;padding:2px 10px;background:var(--bg);color:var(--muted);border:1px solid var(--line)}
.note-ex{font-size:13px;color:var(--muted);margin-top:14px}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;counter-reset:st;list-style:none;padding:0;margin:0}
.steps li{position:relative;padding-top:52px;min-width:0}
.steps li::before{counter-increment:st;content:counter(st);position:absolute;top:0;left:0;width:38px;height:38px;border-radius:50%;background:var(--navy);color:var(--on-navy);display:grid;place-items:center;font:700 17px var(--display)}
.steps li:nth-child(2)::before{background:#06c755}
.steps li::after{content:"";position:absolute;top:19px;left:48px;right:-8px;height:2px;background:var(--line)}
.steps li:last-child::after{display:none}
.steps h3{font-size:18px;margin-bottom:4px}
.steps p{color:var(--muted);font-size:15px}
@media (max-width:820px){.steps{grid-template-columns:1fr 1fr;row-gap:28px}.steps li:nth-child(2)::after{display:none}}
@media (max-width:480px){.steps{grid-template-columns:1fr}.steps li::after{display:none}}

/* why free */
.why{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:40px;align-items:start}
.why .facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.fact{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px}
.fact b{display:block;font:700 30px/1.1 var(--display);color:var(--accent);font-variant-numeric:tabular-nums}
.fact span{font-size:14px;color:var(--muted)}
@media (max-width:820px){.why{grid-template-columns:1fr}}

/* join desk */
.join{background:var(--navy);color:var(--on-navy)}
section[id]{scroll-margin-top:64px}
.join .sec-head h2{color:var(--on-navy)}
.join .sec-head p{color:var(--on-navy-muted)}
.desk{background:var(--surface);color:var(--fg);border-radius:18px;padding:28px;display:flex;flex-direction:column;gap:20px;box-shadow:0 24px 60px -24px rgba(0,0,0,.55)}
.progress{display:flex;gap:6px;list-style:none;padding:0;margin:0;font:500 13px var(--display)}
.progress li{flex:1;min-width:0;border-top:4px solid var(--line);padding-top:8px;color:var(--muted)}
.progress li.on{border-color:var(--accent);color:var(--fg)}
.progress li.done{border-color:var(--ok);color:var(--fg)}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field label,.field .lb{font:600 15px var(--display)}
.field .hint{font-size:13px;color:var(--muted)}
.two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
@media (max-width:600px){.two{grid-template-columns:1fr}.desk{padding:20px}}
input[type=text],input[type=number],textarea,select{font:16px var(--body);color:var(--fg);background:var(--bg);border:1.5px solid var(--line);border-radius:10px;padding:11px 13px;width:100%}
input:focus,textarea:focus,select:focus{border-color:var(--blue);outline:none}
textarea{min-height:84px;resize:vertical}
.pick{display:flex;flex-wrap:wrap;gap:8px}
.pick label{position:relative}
.pick input{position:absolute;opacity:0;inset:0;margin:0}
.pick span{display:block;border:1.5px solid var(--line);border-radius:999px;padding:7px 14px;font-size:15px;cursor:pointer;background:var(--surface)}
.pick input:checked+span{background:var(--navy);border-color:var(--navy);color:var(--on-navy)}
.pick input:focus-visible+span{outline:2.5px solid var(--cyan);outline-offset:2px}
:root[data-theme="dark"] .pick input:checked+span{background:var(--blue);border-color:var(--blue)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .pick input:checked+span{background:var(--blue);border-color:var(--blue)}}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--muted)}
.consent input{width:20px;height:20px;margin-top:3px;flex:none;accent-color:var(--accent)}
.msg{border-radius:10px;padding:11px 14px;font-size:15px;background:var(--soft)}
.msg.err{color:var(--bad)}
.msg.ok{color:var(--ok)}
.line-box{display:grid;grid-template-columns:auto minmax(0,1fr);gap:18px;align-items:center;background:color-mix(in srgb,#06c755 9%,var(--surface));border:1.5px solid color-mix(in srgb,#06c755 45%,transparent);border-radius:14px;padding:18px}
.line-box .lo{width:64px;height:64px;border-radius:16px;background:#06c755;color:#fff;display:grid;place-items:center;font:700 16px var(--display)}
@media (max-width:480px){.line-box{grid-template-columns:1fr}}
.dl{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.dl-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:center;padding:12px 0;border-bottom:1px solid var(--line)}
.dl-row b{font:600 16px var(--display)}
.dl-row small{display:block;color:var(--muted);font-size:13px}
.dl-row .btn{padding:9px 14px;font-size:14px}
.guide{background:var(--bg);border-radius:12px;padding:18px 20px}
.guide ol{margin:8px 0 0;padding-left:1.3em;display:flex;flex-direction:column;gap:6px}
.mylink{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.mylink code{font:14px var(--mono);background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:6px 10px;word-break:break-all;min-width:0}

/* faq */
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:18px 0;font:600 17px var(--display);display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font:400 24px/1 var(--mono);color:var(--accent)}
.faq details[open] summary::after{content:"−"}
.faq details p{padding:0 0 18px;color:var(--muted);max-width:60ch}

footer.site{background:var(--navy);color:var(--on-navy-muted);font-size:14px;padding-block:28px calc(28px + env(safe-area-inset-bottom,0px))}
footer.site .in{display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between}
footer.site a{color:var(--on-navy)}

/* score form + admin (other pages) */
.page{padding-block:40px 72px}
.scale{display:grid;grid-template-columns:repeat(10,minmax(0,1fr));gap:4px}
.scale label{position:relative}
.scale input{position:absolute;opacity:0;inset:0;margin:0}
.scale span{display:block;text-align:center;font:500 15px var(--mono);border:1.5px solid var(--line);border-radius:8px;padding:9px 0;cursor:pointer;background:var(--surface)}
.scale input:checked+span{background:var(--blue);border-color:var(--blue);color:#fff}
.scale input:focus-visible+span{outline:2.5px solid var(--cyan);outline-offset:2px}
.ends{display:flex;justify-content:space-between;font-size:12px;color:var(--muted)}
.kpis{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
@media (max-width:760px){.kpis{grid-template-columns:repeat(2,minmax(0,1fr))}.kpis .kpi:last-child{grid-column:1/-1}}
.kpi{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px}
.kpi b{display:block;font:700 28px/1.1 var(--display);font-variant-numeric:tabular-nums}
.kpi span{font-size:13px;color:var(--muted)}
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
table.data{border-collapse:collapse;width:100%;font-size:14px;font-variant-numeric:tabular-nums}
table.data th,table.data td{padding:9px 12px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
table.data th{font-weight:600;color:var(--muted);font-size:13px}
table.data .num{text-align:right}
.pill{display:inline-block;border-radius:999px;padding:1px 9px;font-size:12px;font-weight:600}
.p-ok{background:color-mix(in srgb,var(--ok) 16%,transparent);color:var(--ok)}
.p-warn{background:color-mix(in srgb,var(--warn) 16%,transparent);color:var(--warn)}
.p-bad{background:color-mix(in srgb,var(--bad) 16%,transparent);color:var(--bad)}
.bars{display:flex;flex-direction:column;gap:6px}
.bar{display:grid;grid-template-columns:minmax(0,9em) minmax(0,1fr) 3em;gap:10px;align-items:center;font-size:14px}
.bar i{display:block;height:10px;border-radius:5px;background:var(--blue)}
.bar .num{text-align:right;font-variant-numeric:tabular-nums}
.entry{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 16px;display:flex;flex-direction:column;gap:4px;font-size:15px}
.entry .meta{font-size:13px;color:var(--muted)}
.cols{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
@media (max-width:760px){.cols{grid-template-columns:1fr}}
.stack{display:flex;flex-direction:column;gap:16px}

/* real-output screenshots */
.shot{display:block;position:relative;padding:0;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#002b49;cursor:zoom-in;aspect-ratio:4/3}
.shot img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .25s ease}
.shot:hover img{transform:scale(1.03)}
.shot span{position:absolute;right:8px;bottom:8px;background:rgba(0,43,73,.88);color:#fff;font:600 12px var(--display);padding:5px 10px;border-radius:99px}
.shot:focus-visible{outline:3px solid var(--blue);outline-offset:2px}
.lb{border:0;padding:0;background:transparent;max-width:none;width:min(1200px,94vw,calc((100vh - 110px) * 4 / 3));margin:auto;overflow:visible}
.lb::backdrop{background:rgba(4,14,22,.82)}
.lb img{display:block;width:100%;height:auto;border-radius:12px;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.lb p{color:#e3ecf2;text-align:center;font-size:14px;margin-top:10px}
.lb-close{position:absolute;top:-14px;right:-6px;width:40px;height:40px;border-radius:50%;border:0;background:#fff;color:#002b49;font:600 24px/1 var(--display);cursor:pointer;box-shadow:0 4px 14px rgba(0,0,0,.3)}
@media (max-width:760px){.lb-close{top:-48px;right:0}}