/* ใต้หล้า · TAI LHA — ink, lacquer and gold */
:root{
  --ink:#0e0a09; --ink-2:#171110; --ink-3:#211816; --line:#3a2b25; --line-2:#5a4236;
  --lacquer:#8e1c16; --red:#c8301f; --red-2:#e2533c;
  --gold:#d6a556; --gold-2:#f0cf8a; --gold-dim:#9c7a44;
  --paper:#f3e8d2; --paper-2:#d9c8a9; --muted:#a8957c; --jade:#5fa38a;
  --radius:14px; --wrap:1120px;
  --serif:"Noto Serif Thai","Noto Serif SC",serif;
  --sans:"Noto Sans Thai","Noto Sans SC",system-ui,sans-serif;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--ink);color:var(--paper);font:400 17px/1.75 var(--sans);
  background-image:radial-gradient(1200px 600px at 85% -10%,rgba(142,28,22,.22),transparent 60%),
  radial-gradient(900px 500px at -10% 30%,rgba(214,165,86,.06),transparent 60%);background-attachment:fixed}
img{max-width:100%;height:auto;display:block}
a{color:var(--gold-2);text-decoration-color:rgba(240,207,138,.4);text-underline-offset:3px}
a:hover{color:#fff}
h1,h2,h3,h4{text-wrap:balance;font-family:var(--serif);line-height:1.3;margin:0 0 .5em;color:var(--paper);font-weight:700}
h1{font-size:clamp(2rem,4.6vw,3.1rem)} h2{font-size:clamp(1.55rem,3vw,2.1rem)} h3{font-size:1.25rem} h4{font-size:1.05rem}
p{margin:0 0 1em} ul,ol{margin:0 0 1em;padding-left:1.3em} li{margin:.25em 0}
strong{color:#fff}
.han{font-family:"Noto Serif SC",var(--serif);font-weight:700}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px;top:0;background:var(--gold);color:var(--ink);padding:8px 14px;z-index:99}
.skip:focus{left:12px;top:12px}

/* header */
.top{position:sticky;top:0;z-index:50;background:rgba(14,10,9,.86);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:18px;height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:none}
.brand img{height:40px;width:auto}
.nav{display:flex;gap:2px;margin-left:auto;align-items:center}
.nav a{color:var(--paper-2);text-decoration:none;padding:8px 12px;border-radius:999px;font-size:.95rem;white-space:nowrap}
.nav a:hover{color:#fff;background:var(--ink-3)}
.nav a[aria-current=page]{color:var(--ink);background:var(--gold);font-weight:600}
.nav .cta{margin-left:6px;background:var(--red);color:#fff;font-weight:600}
.nav .cta:hover{background:var(--red-2)}
.menu-btn{display:none;margin-left:auto;background:none;border:1px solid var(--line-2);color:var(--paper);border-radius:10px;padding:8px 12px;font:inherit;cursor:pointer}
@media (max-width:1140px){
  .menu-btn{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:64px;flex-direction:column;align-items:stretch;gap:0;background:var(--ink-2);border-bottom:1px solid var(--line);padding:8px 16px 16px}
  .nav.open{display:flex}
  .nav a{padding:12px 14px;border-radius:10px}
  .nav .cta{margin:8px 0 0;text-align:center}
}

/* hero */
.hero{position:relative;overflow:hidden;padding:56px 0 0;text-align:center;border-bottom:1px solid var(--line)}
.hero .sun{position:absolute;left:50%;top:40px;width:min(560px,90vw);aspect-ratio:1;transform:translateX(-50%);border-radius:50%;
  background:radial-gradient(circle at 50% 45%,rgba(200,48,31,.55),rgba(142,28,22,.25) 45%,transparent 70%);filter:blur(4px);pointer-events:none}
.hero .logo{position:relative;width:min(640px,92vw);margin:0 auto;filter:drop-shadow(0 10px 30px rgba(0,0,0,.6))}
.hero .tag{position:relative;text-wrap:balance;font-family:var(--serif);font-size:clamp(1.1rem,2.4vw,1.45rem);color:var(--paper);margin:18px auto 6px;max-width:720px}
.hero .sub{position:relative;text-wrap:balance;color:var(--muted);max-width:640px;margin:0 auto 26px}
.btns{position:relative;display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:999px;font-weight:600;text-decoration:none;border:1px solid transparent;font-size:1rem;line-height:1.2}
.btn-red{background:var(--red);color:#fff;box-shadow:0 6px 24px rgba(200,48,31,.35)}
.btn-red:hover{background:var(--red-2);color:#fff}
.btn-line{border-color:var(--gold-dim);color:var(--gold-2)}
.btn-line:hover{border-color:var(--gold-2);color:#fff;background:rgba(214,165,86,.08)}
.btn svg{width:18px;height:18px;flex:none}
.roofs{position:relative;display:block;width:100%;height:auto;margin-top:8px}

/* page head */
.phead{padding:54px 0 30px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.phead:after{content:attr(data-han);position:absolute;right:max(20px,calc(50% - 560px));top:8px;font:700 150px/1 "Noto Serif SC",serif;color:rgba(200,48,31,.12);pointer-events:none}
.phead .intro{color:var(--paper-2);max-width:740px}
.phead .intro p:last-child{margin-bottom:0}
.crumb a{color:inherit;text-decoration:none}.crumb a:hover{color:#fff}
.crumb{font-size:.92rem;color:var(--gold);margin-bottom:6px;font-weight:600}

/* sections */
.sec{padding:56px 0;border-bottom:1px solid var(--line)}
.sec:last-of-type{border-bottom:0}
.lead{text-wrap:pretty;font-size:1.08rem;color:var(--paper-2);max-width:760px}
.eyebrow{display:inline-block;font-size:.95rem;color:var(--gold);margin-bottom:4px;font-weight:600}
.grid{display:grid;gap:16px}
.grid>*{min-width:0}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))} .g3{grid-template-columns:repeat(3,minmax(0,1fr))} .g4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:900px){.g3,.g4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:620px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{background:linear-gradient(180deg,var(--ink-2),var(--ink));border:1px solid var(--line);border-radius:var(--radius);padding:20px 20px 16px;position:relative}
.card h3{display:flex;align-items:center;gap:10px;margin-bottom:.4em}
.card p:last-child,.card ul:last-child{margin-bottom:0}
.card .k{margin-left:auto;font:600 .8rem/1 var(--sans);color:var(--gold);border:1px solid var(--gold-dim);border-radius:6px;padding:4px 7px}
a.card{text-decoration:none;color:inherit;transition:border-color .15s,transform .15s}
a.card:hover{border-color:var(--gold-dim);transform:translateY(-2px)}
.seal{flex:none;display:inline-grid;place-items:center;width:38px;height:38px;border-radius:8px;background:var(--lacquer);color:var(--gold-2);font:700 1.15rem/1 "Noto Serif SC",serif;box-shadow:inset 0 0 0 2px rgba(240,207,138,.25)}
.seal.jade{background:#1f4a3f} .seal.ink{background:var(--ink-3)}
.muted{color:var(--muted)} .small{font-size:.9rem}
.note{border-left:3px solid var(--gold);background:rgba(214,165,86,.07);padding:12px 16px;border-radius:0 10px 10px 0;margin:0 0 1em;color:var(--paper-2)}
.note.red{border-color:var(--red);background:rgba(200,48,31,.08)}

/* steps */
.steps{list-style:none;padding:0;margin:0;display:grid;gap:12px;counter-reset:s}
.steps li{counter-increment:s;display:grid;grid-template-columns:44px 1fr;gap:14px;align-items:start;background:var(--ink-2);border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin:0}
.steps li:before{content:counter(s);display:grid;place-items:center;width:44px;height:44px;border-radius:50%;border:1px solid var(--gold-dim);color:var(--gold-2);font:700 1.1rem/1 var(--serif)}
.steps b{display:block;color:#fff;margin-bottom:2px}
.path{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:0 0 1em;padding:0;list-style:none}
.path li{margin:0;background:var(--ink-3);border:1px solid var(--line-2);border-radius:999px;padding:6px 14px;font-size:.95rem}
.path li.arrow{background:none;border:0;padding:0;color:var(--gold-dim)}

/* tables */
.tbl{width:100%;overflow-x:auto;border:1px solid var(--line);border-radius:12px;margin:0 0 1.2em;background:var(--ink-2)}
table{border-collapse:collapse;width:100%;min-width:520px;font-size:.95rem}
th,td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-family:var(--serif);color:var(--gold-2);background:var(--ink-3);font-weight:600;white-space:nowrap}
tr:last-child td{border-bottom:0}
td.n,th.n{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.tbl.tight table{min-width:0}

/* keys */
kbd{display:inline-block;min-width:1.7em;text-align:center;padding:1px 7px;border:1px solid var(--line-2);border-bottom-width:3px;border-radius:6px;background:var(--ink-3);font:600 .85rem/1.5 var(--sans);color:var(--paper)}

/* org chart */
.org{display:grid;gap:14px}
.tier{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;position:relative}
.node{background:var(--ink-2);border:1px solid var(--line-2);border-radius:12px;padding:10px 14px;text-align:center;min-width:130px}
.node b{display:block;font-family:var(--serif);color:#fff;font-size:1.02rem}
.node small{color:var(--muted);font-size:.8rem}
.node.top{border-color:var(--gold);background:linear-gradient(180deg,#3a1610,var(--ink-2));min-width:220px}
.node.top b{font-size:1.35rem;color:var(--gold-2)}
.link-down{width:2px;height:18px;background:var(--gold-dim);margin:0 auto}
.branches{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;position:relative}
@media (max-width:900px){.branches{grid-template-columns:1fr}}
.branch{border:1px solid var(--line);border-radius:var(--radius);padding:16px;background:rgba(23,17,16,.6)}
.branch>h3{text-align:center;margin-bottom:12px}
.branch>h3 small{display:block;font:400 .85rem/1.4 var(--sans);color:var(--muted);margin-top:2px}
.ladder{list-style:none;margin:0 0 12px;padding:0;display:grid;gap:6px}
.ladder li{margin:0;display:flex;justify-content:space-between;gap:10px;background:var(--ink-3);border-radius:8px;padding:7px 12px;font-size:.95rem}
.ladder li span:last-child{color:var(--muted);font-size:.85rem;white-space:nowrap}
.ladder-t{font:600 .9rem/1 var(--sans);color:var(--gold);margin:12px 0 8px}
.chip{display:inline-block;border:1px solid var(--line-2);border-radius:999px;padding:2px 10px;font-size:.82rem;color:var(--paper-2);margin:2px 4px 2px 0}

/* toc */
.toc{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 0;padding:0;list-style:none}
.toc a{display:inline-block;text-decoration:none;color:var(--paper-2);border:1px solid var(--line-2);border-radius:999px;padding:5px 14px;font-size:.92rem}
.toc a:hover{color:#fff;border-color:var(--gold-dim)}
.anchor{scroll-margin-top:84px}

/* rules */
.rules{counter-reset:r;list-style:none;padding:0;margin:0;display:grid;gap:10px}
.rules>li{counter-increment:r;position:relative;padding:14px 16px 14px 62px;background:var(--ink-2);border:1px solid var(--line);border-radius:12px;margin:0}
.rules>li:before{content:counter(r);position:absolute;left:16px;top:14px;width:32px;height:32px;display:grid;place-items:center;border-radius:8px;background:var(--lacquer);color:var(--gold-2);font:700 1rem/1 var(--serif)}
.rules b{color:#fff}
details{background:var(--ink-2);border:1px solid var(--line);border-radius:12px;padding:0 16px;margin:0 0 10px}
details summary{cursor:pointer;padding:14px 0;font-weight:600;color:#fff;list-style:none;display:flex;gap:10px;align-items:center}
details summary::-webkit-details-marker{display:none}
details summary:before{content:"+";color:var(--gold);font-weight:700;width:1em}
details[open] summary:before{content:"−"}
details>div{padding:0 0 14px 1.6em;color:var(--paper-2)}

/* discord preview */
.dc{background:#2b2d31;border-radius:12px;padding:14px 16px;font-family:system-ui,sans-serif;color:#dbdee1;max-width:460px}
.dc .nm{color:#f0b232;font-weight:600}
.dc .rl{display:inline-block;margin:6px 6px 0 0;padding:2px 8px;border-radius:6px;background:#1e1f22;font-size:.85rem}
.dc .rl i{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:6px;vertical-align:0}

/* footer */
.foot{border-top:1px solid var(--line);padding:36px 0 44px;color:var(--muted);font-size:.92rem;background:#0a0707}
.foot .wrap{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:24px}
@media (max-width:760px){.foot .wrap{grid-template-columns:1fr}}
.foot img{height:44px;width:auto;margin-bottom:10px}
.foot h4{color:var(--paper);font-size:.95rem}
.foot ul{list-style:none;padding:0;margin:0}
.foot a{color:var(--paper-2);text-decoration:none}
.foot a:hover{color:#fff}
.center{text-align:center}
.cta-band{text-align:center;padding:60px 0;background:radial-gradient(600px 260px at 50% 100%,rgba(200,48,31,.25),transparent 70%)}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* block helpers (CMS) */
.sec-toc{padding:22px 0}
.lead p{margin:0 0 .6em}.lead{margin-bottom:18px}
.sec>.wrap>.rt:last-child p:last-child,.cell>.rt p:last-child{margin-bottom:0}
.sec>.wrap>*+*{margin-top:0}
.sec>.wrap>.grid,.sec>.wrap>.tbl,.sec>.wrap>.steps,.sec>.wrap>.org,.sec>.wrap>.rules,.sec>.wrap>.path{margin-bottom:18px}
.sec>.wrap>:last-child{margin-bottom:0}
.cell>.grid,.cell>.tbl{margin-bottom:0}
h2 .seal{vertical-align:middle;margin-right:4px}
.card h3>span:not(.seal):not(.k){flex:1}
.card .big{font:700 2.6rem/1.1 "Noto Serif SC",var(--serif);color:var(--gold-2);margin-bottom:4px}
.card.center h3{justify-content:center}
.card.center h3>span:not(.seal):not(.k){flex:none}
.btns.left{justify-content:flex-start}
.fig{margin:0 0 18px}.fig img{border-radius:12px;border:1px solid var(--line);margin:0 auto}
.fig figcaption{color:var(--muted);font-size:.9rem;text-align:center;margin-top:8px}
.card.dept{display:flex;flex-direction:column}
.card.dept .chip{align-self:flex-start;margin-top:auto}
.chip.on{border-color:#2f6b58;color:#8fd3b6}
.cta-band .btns{margin-top:6px}
.preview-bar{position:sticky;top:0;z-index:60;background:var(--gold);color:var(--ink);text-align:center;font:600 .85rem/1 var(--sans);padding:6px}