:root{
  --bg:#FAF8F5; --fg:#111111; --surface:#FFFFFF; --muted:#5F5B55; --line:rgba(17,17,17,.12);
  --glass:rgba(255,255,255,.74); --red:#FF3B30; --orange:#FF9A1F; --ink:#111111; --ivory:#FAF8F5;
  --scene-bg:#FAF8F5; --field:#F4F1EC; --field-2:#E4DFD7; --tile:#161616;
  --font:'Satoshi','Manrope','Noto Sans Thai',system-ui,-apple-system,'Segoe UI',sans-serif;
  --nav-h:96px; --band-top:55.7vh; --pad:clamp(16px,3.06vw,56px);
  --ease:cubic-bezier(.22,.61,.36,1);
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#111111; --fg:#FAF8F5; --surface:#1B1B1A; --muted:#ABA69E; --line:rgba(250,248,245,.14);
    --glass:rgba(27,27,26,.74); --scene-bg:#111111; --field:#141413; --field-2:#1C1C1B; --tile:#F2EFEA;
  }
}
:root[data-theme="dark"]{
  --bg:#111111; --fg:#FAF8F5; --surface:#1B1B1A; --muted:#ABA69E; --line:rgba(250,248,245,.14);
  --glass:rgba(27,27,26,.74); --scene-bg:#111111; --field:#141413; --field-2:#1C1C1B; --tile:#F2EFEA;
}
html{scroll-padding-top:env(safe-area-inset-top,0px);-webkit-text-size-adjust:100%}
html.is-loading{overflow:hidden}
*,*::before,*::after{box-sizing:inherit}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--font);font-size:16px;line-height:1.5;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
html[lang="th"] body{line-height:1.7}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
:focus-visible{outline:2px solid var(--orange);outline-offset:3px;border-radius:6px}
img{max-width:100%}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- Nav ---------- */
.nav{position:fixed;inset:0 0 auto 0;z-index:80;height:calc(var(--nav-h) + env(safe-area-inset-top,0px));
  padding:env(safe-area-inset-top,0px) var(--pad) 0;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}
.is-loading .nav{visibility:hidden}
.nav::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--glass);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line);opacity:0;transition:opacity .35s}
.nav.solid::before{opacity:1}
.brand{display:flex;align-items:center;gap:10px;justify-self:start;padding:6px 0}
.brand svg{width:26px;height:26px;display:block;flex:none}
.brand img{height:14px;width:auto;display:block;flex:none}
:root[data-theme="dark"] .brand img{filter:invert(1)}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .brand img{filter:invert(1)}}
.menu{display:flex;gap:clamp(14px,2vw,30px);font-size:14px;font-weight:500}
.menu a{position:relative;padding:10px 0 10px 12px;color:var(--fg);opacity:.86;transition:opacity .2s}
.menu a::before{content:"";position:absolute;left:0;top:50%;width:5px;height:5px;margin-top:-2.5px;border-radius:1.5px;
  background:var(--red);transform:scale(0);transition:transform .25s var(--ease)}
.menu a:hover,.menu a:focus-visible{opacity:1}
.menu a:hover::before,.menu a:focus-visible::before,.menu a[aria-current="page"]::before{transform:scale(1)}
.nav-actions{justify-self:end;display:flex;align-items:center;gap:10px}
.icon-btn{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line);background:var(--glass);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.icon-btn svg{width:17px;height:17px}
.lang{display:flex;border:1px solid var(--line);border-radius:999px;padding:3px;background:var(--glass);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.lang button{min-width:40px;height:32px;border-radius:999px;font-size:13px;font-weight:600;color:var(--muted);transition:background .25s,color .25s}
.lang button[aria-pressed="true"]{background:var(--fg);color:var(--bg)}
.pill{display:inline-flex;align-items:center;gap:10px;height:44px;padding:0 20px;border-radius:999px;font-size:14px;font-weight:600;
  white-space:nowrap;transition:transform .3s var(--ease),background .3s}
.pill-solid{background:var(--fg);color:var(--bg)}
.pill-solid .sq{width:8px;height:8px;border-radius:2px;background:var(--red)}
.pill-line{border:1px solid var(--line);background:var(--glass)}
.pill:hover{transform:translateY(-1px)}
@media (max-width:1080px){.menu{display:none}.nav{grid-template-columns:1fr auto}}
@media (max-width:560px){.nav .pill-solid .label-long{display:none}.nav .pill-solid{padding:0 16px}.icon-btn.search{display:none}}

/* ---------- Mobile menu (≤1080px: the .menu links move into a sheet opened from the nav) ---------- */
.menu-btn{display:none;width:44px;height:44px;border-radius:50%;place-items:center;flex:none;border:1px solid var(--line);background:var(--glass);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.menu-btn i{position:relative;display:block;width:16px;height:1.6px;border-radius:1px;background:currentColor;transition:background .2s}
.menu-btn i::before,.menu-btn i::after{content:"";position:absolute;left:0;width:16px;height:1.6px;border-radius:1px;background:currentColor;transition:transform .3s var(--ease)}
.menu-btn i::before{transform:translateY(-5px)}
.menu-btn i::after{transform:translateY(5px)}
.menu-btn[aria-expanded="true"] i{background:transparent}
.menu-btn[aria-expanded="true"] i::before{transform:rotate(45deg)}
.menu-btn[aria-expanded="true"] i::after{transform:rotate(-45deg)}
.nav.on-dark .menu-btn{background:rgba(250,248,245,.1);border-color:rgba(250,248,245,.2)}
.nav.menu-open::before{opacity:1}
.msheet{position:fixed;inset:0;z-index:79;background:var(--bg);color:var(--fg);overflow-y:auto;overscroll-behavior:contain;
  padding:calc(var(--nav-h) + env(safe-area-inset-top,0px) + 8px) var(--pad) calc(24px + env(safe-area-inset-bottom,0px));
  display:flex;flex-direction:column;gap:28px;visibility:hidden;opacity:0;transition:opacity .3s var(--ease),visibility 0s linear .3s}
.msheet.open{visibility:visible;opacity:1;transition:opacity .3s var(--ease)}
.msheet .stg{opacity:0;transform:translateY(12px);transition:opacity .4s var(--ease),transform .4s var(--ease)}
.msheet.open .stg{opacity:1;transform:none;transition-delay:calc(var(--i,0) * 50ms + 60ms)}
.msheet-nav{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.msheet-nav a{position:relative;display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:64px;padding:8px 0 8px 20px;
  border-bottom:1px solid var(--line);font-size:clamp(22px,6.4vw,30px);font-weight:500;letter-spacing:-.01em;line-height:1.3}
html[lang="th"] .msheet-nav a{letter-spacing:0}
.msheet-nav a::before{content:"";position:absolute;left:0;top:50%;width:8px;height:8px;margin-top:-4px;border-radius:2px;background:var(--red);
  transform:scale(0);transition:transform .25s var(--ease)}
.msheet-nav a[aria-current="page"]::before{transform:scale(1)}
.msheet-nav a svg{width:20px;height:20px;opacity:.4;flex:none}
.msheet-sub{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:14px;color:var(--muted)}
.msheet-tools{margin-top:auto;display:flex;flex-direction:column;gap:12px}
.msheet-search{width:100%;height:48px;color:var(--muted);font-weight:500}
.msheet-search svg{width:17px;height:17px;flex:none}
.msheet-row{display:flex;align-items:center;gap:10px}
.msheet-row .lang button{height:40px;min-width:48px}
.msheet-row .pill-solid{flex:1;justify-content:center;height:48px}
@media (max-width:1080px){.menu-btn{display:grid}}
@media (max-width:640px){.nav .lang,.nav .icon-btn.search{display:none}}
@media (min-width:1081px){.msheet{display:none}}
@media (prefers-reduced-motion:reduce){.msheet,.msheet .stg,.menu-btn i::before,.menu-btn i::after{transition:none!important}}

/* ---------- Loader ---------- */
.loader{position:fixed;inset:0;z-index:50;background:#111111}
.loader-fg{position:fixed;inset:0;z-index:70;pointer-events:none;color:#FAF8F5;display:grid;
  grid-template-columns:1fr auto 1fr;align-items:center;padding:0 var(--pad)}
.ld-left,.ld-right{font-size:clamp(15px,1.7vw,22px);font-weight:600;line-height:1.25;letter-spacing:-.01em}
.ld-left small{display:block;font-size:.62em;font-weight:500;opacity:.6;letter-spacing:0;margin-top:6px}
.ld-right{text-align:right;justify-self:end}
html[lang="th"] .ld-right{line-height:1.45}
.ld-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5vmin;width:20vmin;height:20vmin}
.ld-cell{border-radius:1vmin;background:#FAF8F5}
.ld-count{position:absolute;left:50%;bottom:calc(var(--pad) + env(safe-area-inset-bottom,0px));transform:translateX(-50%);
  font-size:13px;font-weight:600;letter-spacing:.04em;font-variant-numeric:tabular-nums;opacity:.7}
@media (max-width:640px){
  .loader-fg{grid-template-columns:1fr;grid-template-rows:1fr auto 1fr;justify-items:center;text-align:center;padding:12vh var(--pad)}
  .ld-left{align-self:start}.ld-right{align-self:end;text-align:center;justify-self:center}
  .ld-grid{width:30vmin;height:30vmin}
}

/* ---------- Type scale (measured from the reference at 1440px) ---------- */
:root{
  --fs-h:clamp(28px,2.78vw,52px);      /* 40px @1440 — hero + section titles */
  --lh-h:1.45;                          /* 58px pitch in reference */
  --fs-stat:clamp(22px,2.22vw,40px);   /* 32px @1440 */
  --fs-sm:clamp(12px,.9vw,15px);       /* 13px @1440 — ledes, labels */
  --fs-card-t:clamp(18px,1.67vw,28px); /* 24px @1440 */
  --fs-giant:clamp(44px,5.56vw,100px); /* 80px @1440 — service ticker */
  --fs-case:clamp(64px,8.33vw,150px);  /* 120px @1440 — case names */
  --fs-marq:clamp(56px,8.6vw,156px);   /* ~124px @1440 */
  --r-card:14px;
  --sp-section:clamp(64px,6.67vw,120px); /* 96px @1440 — every section, top and bottom */
  --card-grey:#EFEDE9;
  --inv-bg:#111111; --inv-fg:#FAF8F5;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){ --card-grey:#1E1E1D; --inv-bg:#1A1A19; --inv-fg:#FAF8F5; }
}
:root[data-theme="dark"]{ --card-grey:#1E1E1D; --inv-bg:#1A1A19; --inv-fg:#FAF8F5; }
html[lang="th"]{ --lh-h:1.5; }

.h2{margin:0;font-size:var(--fs-h);line-height:var(--lh-h);font-weight:500;letter-spacing:-.015em}
html[lang="th"] .h2{letter-spacing:0}
.lede{margin:0;font-size:var(--fs-sm);line-height:1.5;font-weight:500;max-width:30ch}
html[lang="th"] .lede{line-height:1.65}
.circle-btn{width:clamp(34px,2.9vw,44px);height:clamp(34px,2.9vw,44px);border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;flex:none;
  background:var(--surface);transition:background .25s,border-color .25s}
.circle-btn svg{width:42%;height:42%}
.circle-btn:hover{border-color:var(--fg)}
.o-dot{width:clamp(34px,2.9vw,44px);height:clamp(34px,2.9vw,44px);border-radius:50%;background:var(--orange);color:#fff;display:grid;place-items:center;flex:none}
.o-dot svg{width:48%;height:48%}
.pill-dark{background:var(--fg);color:var(--bg)}
.pill-sm{height:clamp(36px,2.9vw,44px);padding:0 clamp(16px,1.4vw,22px);font-size:var(--fs-sm);font-weight:500}

/* ---------- Hero (reference layout) ---------- */
.hero{position:relative;height:340vh}
.pin{position:sticky;top:env(safe-area-inset-top,0px);height:100vh;height:100dvh;overflow:hidden}
.is-loading .pin{z-index:60}
.stage{position:absolute;inset:0;background:var(--scene-bg);clip-path:none;will-change:clip-path}
.is-loading .stage{clip-path:circle(0px at 50% 50%)}
.stage canvas{display:block;width:100%;height:100%;cursor:grab}
.no-gl .stage canvas{display:none}
.gl-fallback{display:none;position:absolute;inset:0;place-items:center}
.no-gl .gl-fallback{display:grid}
.gl-fallback svg{width:min(40vmin,260px)}

.scroll-cue{position:absolute;left:50%;bottom:calc(28px + env(safe-area-inset-bottom,0px));translate:-50% 0;width:104px;height:104px;border-radius:50%;
  background:var(--surface);color:var(--fg);display:grid;place-items:center;text-align:center;font-size:12.5px;font-weight:600;line-height:1.25;
  box-shadow:0 10px 30px rgba(17,17,17,.10)}
.scroll-cue .dot{position:absolute;top:-14px;left:50%;translate:-50% 0;width:28px;height:28px;border-radius:50%;background:var(--surface);
  display:grid;place-items:center;border:1px solid var(--line)}
.scroll-cue .dot svg{width:12px;height:12px;animation:nudge 1.8s var(--ease) infinite}
@keyframes nudge{0%,100%{transform:translateY(-1px)}50%{transform:translateY(2px)}}
.is-loading .scroll-cue{visibility:hidden}

/* top area above the band: headline at 37% of it, stats rule at 79% */
.intro{position:absolute;left:0;right:0;top:0;height:var(--band-top);visibility:hidden;display:flex;flex-direction:column;justify-content:flex-end;padding-top:var(--nav-h)}
.intro-top{padding:0 var(--pad);margin-bottom:clamp(24px,5.2vh,56px)}
.headline{margin:0;font-size:var(--fs-h);line-height:var(--lh-h);font-weight:500;letter-spacing:-.015em}
html[lang="th"] .headline{letter-spacing:0}
.intro-actions{display:flex;align-items:center;gap:10px;margin-top:clamp(12px,1.6vw,24px)}
.intro-actions .pill{margin-left:clamp(20px,4.2vw,64px)}
.stats{margin:0;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:clamp(20px,2.4vw,48px);
  padding:clamp(16px,4.2vh,44px) var(--pad);overflow-x:auto;scrollbar-width:none}
.stats::-webkit-scrollbar{display:none}
.stat{display:flex;flex-direction:column;flex:none}
.stat dd{margin:0;font-size:var(--fs-stat);font-weight:500;letter-spacing:-.02em;line-height:1.15;font-variant-numeric:tabular-nums;white-space:nowrap}
.stat dd .u{margin-left:.25em;letter-spacing:0}
.stat dt{order:2;font-size:var(--fs-sm);font-weight:500;color:var(--fg);opacity:.8;white-space:nowrap;margin-top:2px}

/* floating proof cards on the band */
.band-ui{position:absolute;left:0;right:0;bottom:0;top:var(--band-top);pointer-events:none}
.band-ui > *{visibility:hidden}
.glass{background:rgba(255,255,255,.52);border:1px solid rgba(255,255,255,.75);
  backdrop-filter:blur(18px) saturate(1.2);-webkit-backdrop-filter:blur(18px) saturate(1.2);box-shadow:0 10px 30px rgba(17,17,17,.08);color:#111}
.band-icons{position:absolute;left:var(--pad);bottom:clamp(16px,2.2vw,34px);display:flex;gap:10px;pointer-events:auto}
.band-icons .glass{width:clamp(34px,2.6vw,42px);height:clamp(34px,2.6vw,42px);border-radius:50%;display:grid;place-items:center}
.band-icons svg{width:45%;height:45%}
.bcards{position:absolute;right:var(--pad);top:7%;bottom:7%;width:clamp(150px,11.8vw,210px);display:flex;flex-direction:column;gap:clamp(10px,1.4vw,20px);pointer-events:auto}
.bcard{border-radius:22px;padding:clamp(10px,1vw,16px)}
.bcard-air{display:flex;gap:10px;align-items:flex-start;position:relative}
.bcard-air .big{font-size:clamp(20px,2vw,32px);font-weight:500;letter-spacing:-.02em;line-height:1.05;white-space:nowrap}
.bcard-air .sub{font-size:clamp(9px,.72vw,11px);line-height:1.35;margin-top:4px;opacity:.8}
.bcard-air .mini{margin-left:auto;display:grid;grid-template-columns:repeat(3,6px);gap:2px;margin-top:4px}
.bcard-air .mini i{width:6px;height:6px;border-radius:1.5px;background:#111}
.bcard-air .mini i:nth-child(3){background:var(--red)}.bcard-air .mini i:nth-child(6){background:var(--orange)}
.bcard-air .share{position:absolute;left:-18px;top:50%;translate:0 -50%;width:30px;height:30px;border-radius:50%;display:grid;place-items:center}
.bcard-air .share svg{width:13px;height:13px}
.bcard-founder{flex:1;min-height:0;display:flex;flex-direction:column}
.bcard-founder b{font-size:clamp(13px,1.05vw,17px);font-weight:500;line-height:1.2}
.bcard-founder small{font-size:clamp(9px,.68vw,11px);opacity:.75;margin-top:2px}
.bcard-founder .ph{flex:1;min-height:60px;margin:8px 0;border-radius:12px;overflow:hidden;background:#d8d4ce}
.bcard-founder .ph img{width:100%;height:100%;object-fit:cover;object-position:50% 40%;filter:grayscale(1) contrast(1.05);display:block}
.bcard-founder .row{display:flex;align-items:center;justify-content:space-between;gap:6px}
.bcard-founder .row a{background:#fff;border-radius:999px;padding:5px 10px;font-size:clamp(9px,.7vw,11px);font-weight:600;white-space:nowrap}
.bcard-founder .row span{width:22px;height:22px;border-radius:50%;border:1px solid rgba(17,17,17,.25);display:grid;place-items:center;flex:none}
.bcard-founder .row svg{width:10px;height:10px}

/* ---------- Services ---------- */
.svc{position:relative;padding:var(--sp-section) var(--pad);display:flex;flex-direction:column}
.svc-head{display:grid;grid-template-columns:47.7% 1fr;align-items:start}
.svc-head .lede{margin-top:calc(var(--fs-h) * .55)}
.svc-stage{position:relative;margin-top:clamp(40px,4.4vw,70px)}
.svc-cards{position:relative;width:min(69.9vw,calc((100vh - 360px) * 2.256));min-width:min(640px,100%);aspect-ratio:1006/446;margin:0 auto;
  display:grid;grid-template-columns:1fr 1fr}
/* each half is a prism that turns around its horizontal axis; halves turn in opposite directions */
.svc-half{position:relative;perspective:1900px}
.svc-half.l{perspective-origin:100% 50%}
.svc-half.r{perspective-origin:0% 50%}
.rotor{position:absolute;inset:0}
.rotor.turning{transform-style:preserve-3d;will-change:transform}
.face{position:absolute;inset:0;overflow:hidden;backface-visibility:hidden;-webkit-backface-visibility:hidden}
.face.b{visibility:hidden}
.rotor.turning .face.b{visibility:visible}
.face::after{content:"";position:absolute;inset:0;background:#000;opacity:var(--shade,0);pointer-events:none}
.svc-left{position:absolute;inset:0;background:var(--card-grey);overflow:hidden;display:flex;flex-direction:column;align-items:center}
.svc-left .o-dot{width:14.3%;height:auto;aspect-ratio:1;margin-top:9.6%;max-width:72px}
.svc-giant{position:absolute;left:0;right:0;top:50%;translate:0 -42%;white-space:nowrap;overflow:hidden;
  font-size:var(--fs-giant);font-weight:500;letter-spacing:-.03em;line-height:1.2}
html[lang="th"] .svc-giant{letter-spacing:-.01em;line-height:1.45}
.tick{display:inline-flex;will-change:transform}
.tick span{padding:0 .5em 0 .08em}
.svc-label{margin:0;position:absolute;bottom:8.5%;left:0;right:0;text-align:center;font-size:clamp(14px,1.25vw,20px);font-weight:500}
.svc-right{position:absolute;inset:0;overflow:hidden;background:#cfc9c0}
.svc-right img{position:absolute;left:0;top:-6%;width:100%;height:112%;object-fit:cover;display:block;will-change:transform}
.g-layer{position:absolute;inset:0;will-change:transform}
.g-card{position:absolute;border-radius:clamp(14px,1.5vw,24px);padding:clamp(10px,1.05vw,16px);font-size:clamp(10px,.85vw,13px);line-height:1.4}
.g-a{right:7%;top:15%;width:36%}
.g-b{left:19%;top:50%;width:56%}
.g-card .t{font-size:clamp(11px,1.05vw,16px);font-weight:500;line-height:1.3}
.g-card .s{opacity:.7;margin-top:2px}
.g-card .rows{margin-top:8px;display:grid;gap:4px}
.g-card .rows div{display:flex;justify-content:space-between;gap:8px;white-space:nowrap}
.g-card .rows b{font-weight:600;font-variant-numeric:tabular-nums}
.g-card .chips{display:flex;flex-wrap:wrap;gap:4px;margin-top:8px}
.g-card .chips span{background:#fff;border-radius:999px;padding:2px 8px;font-size:.9em}
.g-card .chain{margin:8px 0 0;padding:0;list-style:none;display:grid;gap:3px}
.g-card .chain li{display:flex;gap:6px;align-items:center}
.g-card .chain li::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--orange);flex:none}
.g-card .chain li:first-child::before{background:var(--red)}
.g-card .btn{display:inline-block;margin-top:8px;background:var(--red);color:#fff;border-radius:999px;padding:4px 12px;font-weight:600}
.g-card .bignum{font-size:clamp(20px,2vw,32px);font-weight:500;letter-spacing:-.02em;line-height:1.1;margin-top:4px}
.g-card q{display:block;margin-top:6px;quotes:none}
.svc-steps{position:absolute;left:0;top:36%;margin:0;padding:0;list-style:none;display:flex;flex-direction:column;align-items:center;gap:clamp(8px,.9vw,14px);
  width:clamp(34px,2.9vw,44px)}
.svc-steps button{width:clamp(22px,1.95vw,30px);height:clamp(22px,1.95vw,30px);border-radius:50%;background:var(--card-grey);color:var(--muted);display:grid;place-items:center;transition:all .3s var(--ease)}
.svc-steps button svg{width:55%;height:55%}
.svc-steps button[aria-current="true"]{width:clamp(34px,2.9vw,44px);height:clamp(34px,2.9vw,44px);background:var(--orange);color:#fff}
.svc-arrows{position:absolute;right:0;top:44%;display:flex;flex-direction:column;gap:clamp(8px,.9vw,14px)}
.svc-arrows .circle-btn{background:var(--card-grey);border-color:transparent}
.svc-foot{margin:clamp(20px,2.4vw,40px) 0 0;font-size:var(--fs-sm);font-weight:500;color:var(--muted)}

/* ---------- Decision Stories (cases) ---------- */
.cases{position:relative;padding:0 var(--pad) var(--sp-section)}
.cases-tag{display:inline-flex;align-items:center;height:clamp(36px,3vw,44px);padding:0 clamp(14px,1.3vw,20px);border:1px solid var(--line);border-radius:999px;
  font-size:var(--fs-sm);font-weight:500;color:var(--muted);position:absolute;left:var(--pad);top:0}
.cases-title{margin:0;padding-left:calc(31.1% - var(--pad));font-size:var(--fs-h);line-height:1.25;font-weight:500;letter-spacing:-.015em}
.cases-title span{display:block;padding-left:calc(16.8vw)}
html[lang="th"] .cases-title{letter-spacing:0;line-height:1.35}
.cases-meta{display:flex;align-items:center;margin-top:clamp(40px,4.2vw,64px);padding-left:calc(43.6% - var(--pad));gap:clamp(12px,1.5vw,22px)}
.cases-meta .lede{max-width:29ch}
.cases-meta .pill{margin-left:auto}
.case-row{display:flex;gap:clamp(12px,1.53vw,24px);margin:clamp(60px,6.4vw,96px) calc(8.8vw - var(--pad)) 0;height:clamp(380px,31.7vw,560px)}
.case{flex:1 1 0;min-width:0;display:flex;flex-direction:column;transition:flex-grow .6s var(--ease);outline:none}
.case.open{flex-grow:1.95}
.case-pill{font-size:clamp(11px,.85vw,13px);color:var(--muted);opacity:.7;height:1.9em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.case-head{margin:0;height:0;overflow:hidden;text-overflow:ellipsis;font-size:clamp(22px,2.5vw,40px);font-weight:500;letter-spacing:-.02em;line-height:1.2;white-space:nowrap;
  transition:height .6s var(--ease)}
.case.open .case-head{height:1.9em}
.case-card{position:relative;flex:1;min-height:0;background:var(--card-grey);border-radius:var(--r-card);overflow:hidden;display:flex;flex-direction:column}
.case-arrow{position:absolute;right:9%;top:clamp(14px,1.4vw,22px);width:clamp(30px,2.8vw,42px);height:clamp(30px,2.8vw,42px);border-radius:50%;
  background:rgba(17,17,17,.06);display:grid;place-items:center;color:rgba(17,17,17,.3);transition:opacity .3s}
.case-arrow svg{width:45%;height:45%}
.case-name{position:absolute;left:0;right:0;top:50%;translate:0 -50%;font-size:var(--fs-case);font-weight:500;letter-spacing:-.035em;line-height:1;
  white-space:nowrap;overflow:hidden;text-indent:-.06em;transition:opacity .35s}
.case-foot{position:absolute;left:0;right:0;bottom:0;padding:clamp(14px,1.6vw,26px) clamp(14px,1.7vw,26px);font-size:clamp(11px,.9vw,14px);font-weight:500;
  border-top:1px solid rgba(17,17,17,.04);transition:opacity .3s;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.case-open{position:absolute;inset:0;padding:clamp(14px,1.7vw,26px);display:flex;flex-direction:column;opacity:0;pointer-events:none;transition:opacity .35s .15s}
.case-open img{width:100%;aspect-ratio:760/320;object-fit:cover;border-radius:12px;display:block}
.case-open .row{display:flex;justify-content:space-between;align-items:center;margin:10px 0 14px}
.case-open .row i{width:24px;height:24px;border-radius:50%;background:#fff;display:grid;place-items:center;color:#999}
.case-open .row i svg{width:11px;height:11px}
.case-open .row a{background:#fff;border-radius:999px;padding:4px 12px;font-size:clamp(10px,.75vw,12px);font-weight:600}
.case-open p{margin:0;font-size:clamp(11px,.95vw,14px);line-height:1.55;color:var(--muted);overflow:hidden}
.case.open .case-name,.case.open .case-foot,.case.open .case-arrow{opacity:0}
.case.open .case-open{opacity:1;pointer-events:auto}

/* ---------- Advantages (inverse band) ---------- */
.adv{background:var(--inv-bg);color:var(--inv-fg);padding:var(--sp-section) var(--pad) 0;overflow:hidden}
.adv-head{display:grid;grid-template-columns:1fr 30%;align-items:start}
.adv-head .o-dot{margin-top:clamp(28px,3vw,44px)}
.adv-side .lede{max-width:34ch}
.adv-actions{display:flex;align-items:center;gap:8px;margin-top:clamp(28px,3.2vw,50px)}
.adv-actions .circle-btn{background:transparent;border-color:rgba(250,248,245,.5);color:var(--inv-fg)}
.adv-actions .pill{margin-left:clamp(20px,4.4vw,64px);border:1px solid rgba(250,248,245,.6);color:var(--inv-fg);background:transparent}
.adv-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(10px,1.1vw,16px);margin-top:clamp(56px,6.5vw,96px)}
.adv-card{background:#fff;color:#111;border-radius:12px;min-height:clamp(240px,20.6vw,340px);padding:clamp(18px,2vw,30px) clamp(20px,3vw,48px) clamp(22px,2.4vw,36px);
  display:flex;flex-direction:column;align-items:center;text-align:center}
.adv-art{height:clamp(104px,10.4vw,170px);margin-bottom:clamp(18px,2vw,32px);display:flex;justify-content:center}
.adv-art svg{height:100%;width:auto;overflow:visible}
.adv-card h3{margin:0 0 8px;font-size:var(--fs-card-t);font-weight:500;letter-spacing:-.01em;line-height:1.25}
.adv-card p{margin:0;font-size:var(--fs-sm);color:#6b6a67;line-height:1.5;max-width:36ch}

/* marquee */
.marq{margin:clamp(60px,6.4vw,100px) calc(-1 * var(--pad)) 0;display:flex;overflow:hidden;white-space:nowrap;padding-bottom:clamp(20px,2.4vw,40px)}
.marq-track{display:flex;align-items:center;flex:none;gap:.35em;padding-right:.35em;font-size:var(--fs-marq);font-weight:500;letter-spacing:-.02em;line-height:1.5;
  transform:translateX(-18%)}
.marq-track .w{background:linear-gradient(180deg,#FAF8F5 22%,var(--red) 100%);-webkit-background-clip:text;background-clip:text;color:transparent;padding:.12em 0 .08em}
.marq-track .o-dot{width:.58em;height:.58em;background:radial-gradient(circle at 35% 30%,#FAF8F5,var(--red) 72%)}
.site-foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 24px;padding:22px 0 calc(26px + env(safe-area-inset-bottom,0px));
  border-top:1px solid rgba(250,248,245,.14);font-size:13px;color:rgba(250,248,245,.6)}
.site-foot nav{display:flex;flex-wrap:wrap;gap:8px 22px}
.site-foot a:hover{color:var(--inv-fg)}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .svc-head{grid-template-columns:1fr;gap:12px}
  .svc-head .lede{margin-top:0}
  .svc-cards{width:100%;min-width:0;aspect-ratio:auto;grid-template-columns:1fr}
  .svc-half.l{aspect-ratio:1.3;perspective-origin:50% 100%}
  .svc-half.r{aspect-ratio:1.13;perspective-origin:50% 0%}
  .svc-steps{position:static;flex-direction:row;width:auto;justify-content:center;margin:0 0 14px}
  .svc-arrows{position:static;flex-direction:row;justify-content:center;margin-top:14px}
  .cases-tag{position:static;margin-bottom:18px}
  .cases-title,.cases-title span{padding-left:0}
  .cases-meta{padding-left:0;flex-wrap:wrap}
  .case-row{margin:40px calc(-1 * var(--pad)) 0;padding:0 var(--pad);overflow-x:auto;height:auto;scroll-snap-type:x mandatory;scrollbar-width:none}
  .case{flex:0 0 78vw;scroll-snap-align:start}
  .case .case-head{height:1.9em}
  .case-card{height:420px;flex:none}
  .case .case-name,.case .case-foot,.case .case-arrow{opacity:0}
  .case .case-open{opacity:1;pointer-events:auto}
  .adv-head{grid-template-columns:1fr;gap:20px}
  .adv-cards{grid-template-columns:1fr}
}

/* nav: ivory bar on light sections, inverted over the dark band */
.nav::before{background:rgba(250,248,245,.86)!important;border-bottom-color:rgba(17,17,17,.06)!important}
:root[data-theme="dark"] .nav::before{background:rgba(17,17,17,.86)!important}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .nav::before{background:rgba(17,17,17,.86)!important}}
.nav{transition:color .35s}
.nav.on-dark{color:#FAF8F5}
.nav.on-dark::before{background:rgba(17,17,17,.72)!important;border-bottom-color:rgba(250,248,245,.08)!important}
.nav.on-dark .menu a{color:#FAF8F5}
.nav.on-dark .brand img{filter:invert(1)}
.nav.on-dark .icon-btn,.nav.on-dark .lang{background:rgba(250,248,245,.1);border-color:rgba(250,248,245,.2)}
.nav.on-dark .lang button{color:rgba(250,248,245,.6)}
.nav.on-dark .lang button[aria-pressed="true"]{background:#FAF8F5;color:#111}
.nav.on-dark .pill-solid{background:#FAF8F5;color:#111}
@media (max-width:560px){.brand img{display:none}}

/* ================= Inner pages (Blog branch) ================= */
.view{min-height:100vh;padding-top:calc(var(--nav-h) + env(safe-area-inset-top,0px))}
.view[hidden]{display:none}
body.on-page .nav::before{opacity:1}
body.on-page #main{display:none}

.wrap{padding:0 var(--pad)}
.crumbs{display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0;list-style:none;font-size:var(--fs-sm);color:var(--muted)}
.crumbs li+li::before{content:"/";margin-right:6px;opacity:.5}
.crumbs a:hover{color:var(--fg)}
.crumbs [aria-current]{color:var(--fg)}

/* page hero: pill tag + two-line title with the second line stepped in (the Decision Stories signature from Home) */
.pg-hero{position:relative;padding:clamp(28px,3vw,48px) var(--pad) var(--sp-section)}
.pg-hero .crumbs{margin-bottom:clamp(28px,3.4vw,52px)}
.pg-tag{display:inline-flex;align-items:center;gap:8px;height:clamp(34px,2.9vw,42px);padding:0 16px;border:1px solid var(--line);border-radius:999px;
  font-size:var(--fs-sm);font-weight:500;color:var(--muted);margin-bottom:clamp(18px,2vw,28px)}
.pg-tag i{width:8px;height:8px;border-radius:2px;background:var(--orange)}
.pg-title{margin:0;font-size:clamp(34px,4.2vw,72px);line-height:1.12;font-weight:500;letter-spacing:-.025em}
.pg-title span{display:block;padding-left:clamp(0px,9vw,160px);color:var(--muted)}
html[lang="th"] .pg-title{line-height:1.3;letter-spacing:-.005em}
.pg-lede{margin:clamp(20px,2.2vw,32px) 0 0;font-size:clamp(17px,1.35vw,21px);line-height:1.6;color:var(--fg);max-width:54ch}
html[lang="th"] .pg-lede{line-height:1.75}
.pg-meta{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:18px;font-size:var(--fs-sm);color:var(--muted)}
.pg-meta b{color:var(--fg);font-weight:600}

.sec{padding:0 var(--pad) var(--sp-section)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:clamp(24px,2.6vw,40px);flex-wrap:wrap}
.sec-head .h2{font-size:clamp(24px,2.2vw,36px);line-height:1.3}
.sec-head .lede{max-width:44ch}
.link-more{display:inline-flex;align-items:center;gap:8px;font-size:var(--fs-sm);font-weight:600}
.link-more svg{width:16px;height:16px}

/* 9-grid mark used as each pillar's glyph: the red cell moves, the orange cell connects */
.mark9{display:grid;grid-template-columns:repeat(3,1fr);gap:3px;width:clamp(34px,2.6vw,42px);aspect-ratio:1}
.mark9 i{border-radius:2px;background:var(--fg);opacity:.9}
.mark9 i.r{background:var(--red);opacity:1}
.mark9 i.o{background:var(--orange);opacity:1}

/* cards */
.grid{display:grid;gap:clamp(12px,1.4vw,22px)}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.view [tabindex="-1"]:focus{outline:none}
.p-card.feature .arrow{color:#111}
.card{position:relative;background:var(--card-grey);border-radius:var(--r-card);padding:clamp(20px,2vw,30px);display:flex;flex-direction:column;
  transition:transform .35s var(--ease),background .3s}
a.card:hover{transform:translateY(-3px);background:#E8E4DE}
.card .arrow{position:absolute;right:clamp(16px,1.6vw,24px);top:clamp(16px,1.6vw,24px);width:36px;height:36px;border-radius:50%;background:var(--surface);display:grid;place-items:center}
.card .arrow svg{width:15px;height:15px}
.card h3{margin:0;font-size:clamp(19px,1.6vw,26px);line-height:1.3;font-weight:500;letter-spacing:-.01em}
.card .term{font-size:var(--fs-sm);color:var(--muted);margin-top:4px}
.card p{margin:12px 0 0;font-size:clamp(14px,1vw,16px);line-height:1.65;color:var(--muted)}
.card .foot{margin-top:auto;padding-top:22px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:var(--fs-sm);color:var(--muted)}
.p-card{min-height:clamp(250px,20vw,320px)}
.p-card .mark9{margin-bottom:clamp(26px,3vw,48px)}
.p-card.feature{background:var(--inv-bg);color:var(--inv-fg)}
.p-card.feature p,.p-card.feature .term,.p-card.feature .foot{color:rgba(250,248,245,.7)}
.p-card.feature .mark9 i{background:var(--inv-fg)}
.p-card.feature .mark9 i.r{background:var(--red)}.p-card.feature .mark9 i.o{background:var(--orange)}

/* article card with a quiet reusable placeholder instead of real art */
.a-card{display:flex;flex-direction:column;gap:14px}
.ph-img{position:relative;border-radius:12px;overflow:hidden;aspect-ratio:16/10;background:
  radial-gradient(60% 70% at 78% 30%,rgba(255,154,31,.16),transparent 70%),
  radial-gradient(50% 60% at 20% 90%,rgba(255,59,48,.08),transparent 70%),
  linear-gradient(135deg,#F1EEE9,#E6E1D9)}
.ph-img::after{content:"";position:absolute;inset:0;opacity:.5;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='54' height='54'%3E%3Cg fill='%23111' fill-opacity='.05'%3E%3Crect x='3' y='3' width='14' height='14' rx='3'/%3E%3Crect x='20' y='3' width='14' height='14' rx='3'/%3E%3Crect x='37' y='3' width='14' height='14' rx='3'/%3E%3Crect x='3' y='20' width='14' height='14' rx='3'/%3E%3Crect x='20' y='20' width='14' height='14' rx='3'/%3E%3Crect x='37' y='20' width='14' height='14' rx='3'/%3E%3Crect x='3' y='37' width='14' height='14' rx='3'/%3E%3Crect x='20' y='37' width='14' height='14' rx='3'/%3E%3Crect x='37' y='37' width='14' height='14' rx='3'/%3E%3C/g%3E%3C/svg%3E")}
.ph-img .mark9{position:absolute;left:50%;top:50%;translate:-50% -50%;width:18%;max-width:64px;opacity:.12}
.ph-img .mark9 i.r,.ph-img .mark9 i.o{opacity:1}
.a-card .chips{display:flex;flex-wrap:wrap;gap:6px}
.chip-t{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;border-radius:999px;background:var(--surface);border:1px solid var(--line);font-size:12px;font-weight:500;color:var(--muted);white-space:nowrap}
.chip-t i{width:6px;height:6px;border-radius:2px;background:var(--orange)}
.a-card h3{margin:0;font-size:clamp(18px,1.4vw,22px);line-height:1.4;font-weight:500;letter-spacing:-.005em}
.a-card p{margin:0;font-size:clamp(14px,.98vw,15px);line-height:1.65;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.byline-s{display:flex;flex-wrap:wrap;gap:4px 12px;font-size:12.5px;color:var(--muted)}
.byline-s b{color:var(--fg);font-weight:600}
.a-card.lead{display:grid;grid-template-columns:1.25fr 1fr;gap:clamp(20px,2.6vw,44px);align-items:center}
.a-card.lead h3{font-size:clamp(24px,2.3vw,38px);line-height:1.3}
.a-card.lead p{-webkit-line-clamp:4;font-size:clamp(15px,1.1vw,17px)}
.list-row{display:grid;grid-template-columns:120px 1fr auto;gap:20px;align-items:center;padding:18px 0;border-top:1px solid var(--line)}
.list-row .ph-img{aspect-ratio:4/3}
.list-row h3{margin:0 0 6px;font-size:clamp(16px,1.2vw,19px);font-weight:500;line-height:1.45}

/* search + filters */
.searchbox{display:flex;align-items:center;gap:10px;height:clamp(48px,3.9vw,58px);padding:0 8px 0 20px;border-radius:999px;background:var(--surface);border:1px solid var(--line);max-width:640px}
.searchbox:focus-within{border-color:var(--fg)}
.searchbox svg{width:18px;height:18px;flex:none;color:var(--muted)}
.searchbox input{flex:1;min-width:0;border:0;background:transparent;font:inherit;font-size:16px;color:var(--fg);outline:none}
.searchbox button{height:calc(100% - 12px);padding:0 18px;border-radius:999px;background:var(--fg);color:var(--bg);font-size:14px;font-weight:600}
.fbar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px}
.fgroup{position:relative}
.fgroup summary{list-style:none;display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:var(--surface);
  font-size:14px;font-weight:500;cursor:pointer;user-select:none}
.fgroup summary::-webkit-details-marker{display:none}
.fgroup summary svg{width:14px;height:14px;transition:transform .25s}
.fgroup[open] summary{border-color:var(--fg)}
.fgroup[open] summary svg{transform:rotate(180deg)}
.fgroup summary .n{min-width:20px;height:20px;border-radius:999px;background:var(--fg);color:var(--bg);font-size:11px;display:grid;place-items:center;padding:0 6px}
.fpanel{position:absolute;z-index:20;top:calc(100% + 8px);left:0;min-width:240px;padding:10px;border-radius:16px;background:var(--surface);border:1px solid var(--line);
  box-shadow:0 18px 40px rgba(17,17,17,.12);display:grid;gap:2px}
.fpanel label{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;font-size:14px;cursor:pointer}
.fpanel label:hover{background:var(--card-grey)}
.fpanel input{width:16px;height:16px;accent-color:#111}
.fpanel .c{margin-left:auto;color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums}
.sortsel{height:40px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:var(--surface);font:inherit;font-size:14px;color:var(--fg);margin-left:auto}
.active-f{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:16px;min-height:32px}
.active-f .rc{font-size:var(--fs-sm);color:var(--muted);margin-right:6px}
.active-f .rc b{color:var(--fg)}
.pillx{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 8px 0 12px;border-radius:999px;background:var(--fg);color:var(--bg);font-size:12.5px;font-weight:500}
.pillx svg{width:12px;height:12px}
.clearall{font-size:13px;font-weight:600;text-decoration:underline;text-underline-offset:3px;margin-left:4px}
.results{margin-top:clamp(24px,2.6vw,40px)}
.more-row{display:flex;flex-direction:column;align-items:center;gap:10px;margin-top:clamp(32px,3.4vw,56px);font-size:var(--fs-sm);color:var(--muted)}
.state-box{border-radius:var(--r-card);background:var(--card-grey);padding:clamp(36px,5vw,80px) clamp(24px,3vw,48px);display:flex;flex-direction:column;align-items:center;text-align:center;gap:14px}
.state-box h3{margin:0;font-size:clamp(20px,1.7vw,28px);font-weight:500}
.state-box p{margin:0;color:var(--muted);max-width:46ch;line-height:1.65}
.state-box .acts{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:6px}
.skel{background:linear-gradient(90deg,var(--card-grey) 25%,#E4E0D9 50%,var(--card-grey) 75%);background-size:200% 100%;animation:skel 1.3s linear infinite;border-radius:10px}
@keyframes skel{from{background-position:200% 0}to{background-position:-200% 0}}
.review-states{position:fixed;left:16px;bottom:calc(16px + env(safe-area-inset-bottom,0px));z-index:90;display:flex;gap:4px;padding:4px;border-radius:999px;background:rgba(17,17,17,.88);color:#fff;font-size:12px;
  box-shadow:0 10px 30px rgba(0,0,0,.2)}
.review-states span{padding:6px 10px;opacity:.6}
.review-states button{padding:6px 10px;border-radius:999px;color:#fff;opacity:.75}
.review-states button[aria-pressed="true"]{background:#fff;color:#111;opacity:1}

/* scope / topic map / faq */
.scope{display:grid;grid-template-columns:1fr 1fr;gap:clamp(12px,1.4vw,22px)}
.scope .card ul{margin:14px 0 0;padding:0;list-style:none;display:grid;gap:10px}
.scope .card li{display:flex;gap:10px;font-size:15px;line-height:1.6}
.scope .card li::before{content:"";flex:none;width:8px;height:8px;border-radius:2px;margin-top:.6em;background:var(--orange)}
.scope .card.out li::before{background:var(--muted);opacity:.5}
.tmap{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(12px,1.4vw,22px)}
.tmap .card h3{font-size:clamp(17px,1.3vw,21px)}
.tmap ol{margin:14px 0 0;padding:0;list-style:none;display:grid;gap:8px;counter-reset:t}
.tmap li{counter-increment:t;display:flex;gap:10px;font-size:14.5px;line-height:1.55}
.tmap li::before{content:counter(t,decimal-leading-zero);font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums;padding-top:2px}
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;display:flex;justify-content:space-between;gap:20px;padding:22px 0;cursor:pointer;font-size:clamp(16px,1.25vw,20px);font-weight:500}
.faq summary::-webkit-details-marker{display:none}
.faq summary svg{width:18px;height:18px;flex:none;transition:transform .3s}
.faq details[open] summary svg{transform:rotate(45deg)}
.faq details p{margin:0 0 22px;max-width:70ch;color:var(--muted);line-height:1.75;font-size:15.5px}
.definition{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(20px,3vw,56px);align-items:start}
.formula{border-radius:var(--r-card);background:var(--inv-bg);color:var(--inv-fg);padding:clamp(22px,2.4vw,36px)}
.formula .f{font-size:clamp(22px,2.2vw,36px);font-weight:500;letter-spacing:-.01em;margin:10px 0 16px;font-variant-numeric:tabular-nums}
.formula dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:14px;color:rgba(250,248,245,.75)}
.formula dt{font-weight:700;color:var(--inv-fg)}
.formula dd{margin:0}

/* article detail */
.art-head{padding:clamp(28px,3vw,48px) var(--pad) clamp(28px,3vw,48px);max-width:1180px}
.art-head .crumbs{margin-bottom:clamp(24px,2.8vw,40px)}
.art-head h1{margin:18px 0 0;font-size:clamp(30px,3.4vw,56px);line-height:1.22;font-weight:500;letter-spacing:-.02em;max-width:26ch}
html[lang="th"] .art-head h1{line-height:1.38;letter-spacing:0}
.answer{position:relative;margin-top:clamp(22px,2.4vw,36px);max-width:760px;padding:clamp(18px,1.8vw,26px) clamp(20px,2vw,30px) clamp(18px,1.8vw,26px) clamp(26px,2.4vw,36px);
  border-radius:var(--r-card);background:var(--surface);border:1px solid var(--line);font-size:clamp(16px,1.2vw,19px);line-height:1.7}
.answer::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:6px;border-radius:0 4px 4px 0;background:var(--red)}
.answer b{display:block;font-size:12.5px;font-weight:700;color:var(--muted);margin-bottom:6px}
.byline{display:flex;align-items:center;gap:14px;margin-top:clamp(22px,2.4vw,34px);flex-wrap:wrap}
.avatar{width:44px;height:44px;border-radius:50%;background:var(--fg);color:var(--bg);display:grid;place-items:center;font-weight:600;font-size:15px;flex:none;overflow:hidden}
.avatar img{width:100%;height:100%;object-fit:cover}
.byline .who a{font-weight:600}
.byline .who a:hover{text-decoration:underline}
.byline .when{font-size:13px;color:var(--muted)}
.art-hero{margin:0 var(--pad) clamp(40px,4.4vw,72px)}
.art-hero .ph-img{aspect-ratio:21/9;border-radius:var(--r-card)}
.art-hero figcaption{margin-top:10px;font-size:13px;color:var(--muted)}
.art-body{display:grid;grid-template-columns:minmax(200px,260px) minmax(0,720px) 1fr;gap:clamp(24px,4vw,72px);padding:0 var(--pad)}
.toc{position:sticky;top:calc(var(--nav-h) + 24px);align-self:start;font-size:14px}
.toc b{display:block;font-size:12.5px;color:var(--muted);margin-bottom:12px}
.toc ol{margin:0;padding:0;list-style:none;display:grid;gap:2px;border-left:1px solid var(--line)}
.toc a{display:block;padding:7px 0 7px 16px;margin-left:-1px;border-left:2px solid transparent;color:var(--muted);line-height:1.45}
.toc a.on{border-left-color:var(--red);color:var(--fg);font-weight:500}
.toc a:hover{color:var(--fg)}
.prose{font-size:clamp(16px,1.18vw,18px);line-height:1.85;min-width:0}
html[lang="en"] .prose{line-height:1.7}
.prose h2{font-size:clamp(22px,1.9vw,30px);line-height:1.4;font-weight:500;letter-spacing:-.01em;margin:clamp(40px,4vw,64px) 0 16px;scroll-margin-top:calc(var(--nav-h) + 24px)}
.prose h2:first-child{margin-top:0}
.prose p{margin:0 0 1.1em}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.3em}
.prose li{margin:.35em 0}
.prose a{text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;text-decoration-color:var(--orange)}
.takeaways{border-radius:var(--r-card);background:var(--card-grey);padding:clamp(20px,2vw,28px);margin:0 0 2em}
.takeaways b{display:block;font-size:13px;color:var(--muted);margin-bottom:8px}
.takeaways ul{margin:0;padding:0;list-style:none;display:grid;gap:10px}
.takeaways li{display:flex;gap:12px;margin:0;font-size:.95em;line-height:1.65}
.takeaways li::before{content:"";flex:none;width:8px;height:8px;border-radius:2px;background:var(--orange);margin-top:.7em}
.tbl{overflow-x:auto;margin:0 0 1.6em;border-radius:12px;border:1px solid var(--line)}
.tbl table{border-collapse:collapse;width:100%;min-width:520px;font-size:.88em;line-height:1.55}
.tbl th,.tbl td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl th{background:var(--card-grey);font-weight:600}
.tbl tr:last-child td{border-bottom:0}
.callout{border-radius:var(--r-card);background:var(--inv-bg);color:var(--inv-fg);padding:clamp(20px,2vw,30px);margin:0 0 1.6em}
.callout b{display:block;font-size:13px;color:var(--orange);margin-bottom:6px}
.callout .nums{display:flex;flex-wrap:wrap;gap:12px 40px;margin-top:14px}
.callout .nums div{font-size:clamp(24px,2vw,34px);font-weight:500;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.callout .nums small{display:block;font-size:12.5px;font-weight:400;color:rgba(250,248,245,.65);letter-spacing:0}
.refs{margin-top:clamp(40px,4vw,64px);padding-top:24px;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
.refs ol{margin:10px 0 0;padding-left:1.2em;display:grid;gap:6px;line-height:1.6}
.art-aside{align-self:start;position:sticky;top:calc(var(--nav-h) + 24px);display:grid;gap:14px}
.author-box{display:flex;gap:16px;align-items:flex-start;border-radius:var(--r-card);background:var(--card-grey);padding:22px;margin-top:clamp(36px,3.6vw,56px)}
.author-box p{margin:6px 0 0;font-size:14.5px;line-height:1.65;color:var(--muted)}
.ctx{border-radius:var(--r-card);border:1px solid var(--line);padding:18px;font-size:14px}
.ctx b{display:block;font-size:12.5px;color:var(--muted);margin-bottom:10px}
.ctx a{display:flex;gap:10px;align-items:center;padding:8px 0;font-weight:500}
.ctx a+a{border-top:1px solid var(--line)}
.ctx a:hover{color:var(--red)}
.ctx .mark9{width:22px;gap:2px}
.cta-band{margin:clamp(40px,4vw,64px) 0 0;border-radius:var(--r-card);background:var(--inv-bg);color:var(--inv-fg);padding:clamp(24px,2.6vw,40px);display:flex;align-items:center;gap:24px;flex-wrap:wrap}
.cta-band div{flex:1;min-width:240px}
.cta-band h3{margin:0 0 6px;font-size:clamp(20px,1.7vw,28px);font-weight:500}
.cta-band p{margin:0;color:rgba(250,248,245,.7);line-height:1.6}
.btn-red{display:inline-flex;align-items:center;gap:10px;height:46px;padding:0 22px;border-radius:999px;background:var(--red);color:#fff;font-weight:600;font-size:15px;white-space:nowrap}
.btn-red svg{width:16px;height:16px}

/* story detail */
.story-steps{display:grid;gap:0;border-top:1px solid var(--line)}
.story-step{display:grid;grid-template-columns:minmax(160px,.35fr) 1fr;gap:clamp(20px,4vw,72px);padding:clamp(28px,3vw,44px) 0;border-bottom:1px solid var(--line)}
.story-step h2{margin:0;font-size:clamp(20px,1.7vw,28px);font-weight:500;display:flex;gap:12px;align-items:baseline}
.story-step h2 small{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.story-step .prose{font-size:clamp(15.5px,1.1vw,17px)}
.opts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:6px}
.opt{border-radius:12px;background:var(--card-grey);padding:16px;font-size:14px;line-height:1.6}
.opt b{display:block;font-size:15px;margin-bottom:4px}
.opt.chosen{background:var(--inv-bg);color:var(--inv-fg)}
.opt.chosen b::after{content:" · ทางที่เลือก";color:var(--red)}
html[lang="en"] .opt.chosen b::after{content:" · chosen option"}
.kpis{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.kpi{border-radius:12px;background:var(--surface);border:1px solid var(--line);padding:16px}
.kpi div{font-size:clamp(22px,1.9vw,32px);font-weight:500;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.kpi small{color:var(--muted);font-size:13px}

/* hubs + authors */
.hub-card{min-height:clamp(230px,18vw,300px)}
.hub-card .n{font-size:clamp(46px,4.4vw,76px);font-weight:500;letter-spacing:-.03em;line-height:1;margin-bottom:auto;opacity:.9}
.pending{display:flex;gap:14px;align-items:center;margin-top:clamp(20px,2vw,28px);padding:16px 20px;border-radius:var(--r-card);border:1px dashed var(--line);color:var(--muted);font-size:14.5px}
.au-card{flex-direction:row;gap:18px;align-items:flex-start}
.au-card .avatar{width:64px;height:64px;font-size:20px}
.au-hero{display:grid;grid-template-columns:auto 1fr;gap:clamp(20px,3vw,48px);align-items:center}
.au-hero .avatar{width:clamp(96px,9vw,150px);height:clamp(96px,9vw,150px);font-size:clamp(30px,3vw,48px)}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}

/* page footer: CTA band + links (same dark band as Home's last section) */
.pg-foot{background:var(--inv-bg);color:var(--inv-fg);padding:var(--sp-section) var(--pad) 0;margin-top:0}
.pg-foot .big{font-size:clamp(44px,6.4vw,112px);font-weight:500;letter-spacing:-.02em;line-height:1.35;margin:0;
  background:linear-gradient(180deg,#FAF8F5 22%,var(--red) 100%);-webkit-background-clip:text;background-clip:text;color:transparent;padding:.1em 0}
.pg-foot .row{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin:clamp(18px,2vw,28px) 0 clamp(48px,5vw,80px)}
.pg-foot .row p{margin:0;max-width:52ch;color:rgba(250,248,245,.7);line-height:1.65}

@media (max-width:1080px){
  .art-body{grid-template-columns:minmax(0,1fr)}
  .toc{position:static;order:-1}
  .toc ol{display:flex;overflow-x:auto;border-left:0;gap:6px;scrollbar-width:none}
  .toc a{white-space:nowrap;border:1px solid var(--line);border-radius:999px;padding:6px 12px;margin:0}
  .toc a.on{border-color:var(--fg)}
  .art-aside{position:static}
  .tmap{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:900px){
  .pg-top,.definition,.scope,.a-card.lead{grid-template-columns:1fr}
  .g3,.g4{grid-template-columns:1fr 1fr}
  .opts,.kpis{grid-template-columns:1fr}
  .story-step{grid-template-columns:1fr;gap:12px}
  .sortsel{margin-left:0}
}
@media (max-width:620px){
  .g3,.g2,.g4,.tmap{grid-template-columns:1fr}
  .list-row{grid-template-columns:84px 1fr}
  .list-row .chip-t{display:none}
  .au-hero{grid-template-columns:1fr}
  .fpanel{position:fixed;left:12px;right:12px;top:auto;bottom:12px;min-width:0}
}

/* ---- reader-facing lists ---- */
.qlist{margin:0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 clamp(24px,3vw,56px);border-top:1px solid var(--line)}
.qlist li{display:flex;gap:16px;align-items:baseline;padding:20px 0;border-bottom:1px solid var(--line);font-size:clamp(17px,1.3vw,21px);line-height:1.5;font-weight:500}
.qlist li span{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;font-weight:500}
.path{margin:0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(12px,1.4vw,22px);counter-reset:none}
.path li{position:relative;background:var(--card-grey);border-radius:var(--r-card);padding:clamp(20px,1.8vw,28px);display:flex;flex-direction:column}
.path li.first{background:var(--inv-bg);color:var(--inv-fg)}
.path li.first p{color:rgba(250,248,245,.7)}
.path .step{display:flex;align-items:center;gap:10px;margin-bottom:22px}
.path .no{width:34px;height:34px;border-radius:50%;background:var(--surface);color:#111;display:grid;place-items:center;font-weight:600;font-size:14px}
.path .start{font-size:12px;font-weight:600;color:#fff;background:var(--red);border-radius:999px;padding:4px 10px}
.path h3{margin:0;font-size:clamp(19px,1.5vw,24px);font-weight:500}
.path p{margin:6px 0 16px;color:var(--muted);font-size:14.5px;line-height:1.6}
.path-link{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:12px 0;border-top:1px solid var(--line);font-size:15px;line-height:1.5;font-weight:500}
.path li.first .path-link{border-top-color:rgba(250,248,245,.16)}
.path-link svg{width:16px;height:16px;flex:none;margin-top:3px;transition:transform .3s var(--ease)}
.path-link:hover svg{transform:translateX(4px)}
.card .path-link:first-of-type{margin-top:14px}

/* ---- links look and feel like links ---- */
.a-card h3 a,.list-row h3 a,.tmap a,.path-link span,.ctx a,.crumbs a,.byline .who a,.author-box a b,.srch-row .t{
  background:linear-gradient(currentColor,currentColor) 0 100% / 0 1px no-repeat;transition:background-size .35s var(--ease),color .2s}
.a-card h3 a:hover,.list-row h3 a:hover,.tmap a:hover,.path-link:hover span,.ctx a:hover,.crumbs a:hover,.byline .who a:hover,.author-box a:hover b,.srch-row:hover .t{background-size:100% 1px}
.a-card h3 a:hover,.list-row h3 a:hover,.tmap a:hover,.path-link:hover,.byline .who a:hover,.author-box a:hover b,.srch-row:hover .t{color:var(--red)}
.path li.first .path-link:hover{color:#FF7A6E}
a.ph-img{transition:filter .3s}
a.ph-img .mark9{transition:transform .5s var(--ease),opacity .3s}
.a-card:hover a.ph-img .mark9,.list-row:hover a.ph-img .mark9{transform:scale(1.15);opacity:.22}
.a-card:hover a.ph-img{filter:brightness(1.02) saturate(1.15)}

/* ---- search overlay ---- */
.srch{position:fixed;inset:0;z-index:120;background:rgba(17,17,17,.35);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);display:none;align-items:flex-start;justify-content:center;
  padding:calc(var(--nav-h) + 12px) var(--pad) 24px}
.srch.on{display:flex}
.srch-panel{width:min(760px,100%);background:var(--bg);border-radius:22px;padding:14px;box-shadow:0 30px 80px rgba(0,0,0,.25)}
.srch .searchbox{max-width:none;height:60px}
.srch-x{width:44px;height:44px;border-radius:50%;background:var(--card-grey)!important;color:var(--fg)!important;display:grid;place-items:center;padding:0!important}
.srch-x svg{color:var(--fg)!important}
.srch-res{padding:8px 8px 4px}
.srch-row{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:14px 8px;border-bottom:1px solid var(--line);font-weight:500;line-height:1.45}
.srch-res .link-more{margin:14px 8px 6px}
.srch-hint{margin:14px 8px;color:var(--muted)}
@media (max-width:1080px){ .path{grid-template-columns:repeat(2,minmax(0,1fr))} }
@media (max-width:620px){ .path,.qlist{grid-template-columns:1fr} .srch-row .chip-t{display:none} }
.srch input::-webkit-search-cancel-button{-webkit-appearance:none;display:none}

/* ================= audit round ================= */
.p-card h3{font-size:clamp(19px,1.55vw,25px);line-height:1.4}
.p-name{margin-top:10px;font-size:14.5px;font-weight:600}
.p-name span{font-weight:400;color:var(--muted);margin-left:4px}
.sym-q{display:block;font-weight:500;margin-bottom:6px}
.fp-h{font-size:12px;font-weight:600;color:var(--muted);padding:6px 10px 2px}
.quick{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:18px}
.quick span{font-size:13px;color:var(--muted);margin-right:4px}
.qchip{height:34px;padding:0 14px;border-radius:999px;background:var(--card-grey);font-size:13.5px;font-weight:500;transition:background .2s,color .2s}
.qchip:hover{background:#E4E0D9}
.qchip[aria-pressed="true"]{background:var(--fg);color:var(--bg)}

/* story cards: the before → after number leads */
.st-card{display:grid;grid-template-rows:auto 1fr;border-radius:var(--r-card);background:var(--card-grey);overflow:hidden;transition:transform .35s var(--ease)}
.st-card:hover{transform:translateY(-3px)}
.st-metric{display:flex;flex-direction:column;gap:6px;padding:clamp(20px,2vw,30px) clamp(20px,2vw,30px) clamp(16px,1.6vw,22px);background:var(--surface);border-bottom:1px solid var(--line)}
.st-metric .lbl{font-size:13px;font-weight:600;color:var(--muted)}
.st-metric .ba{display:flex;align-items:center;gap:14px;font-size:clamp(30px,3vw,52px);font-weight:500;letter-spacing:-.02em;font-variant-numeric:tabular-nums;line-height:1.1}
.st-metric .ba svg{width:.55em;height:.55em;color:var(--orange);flex:none}
.st-metric .bf{color:var(--muted)}
.st-metric .af{color:var(--fg)}
.st-metric .u{font-size:13px;color:var(--muted)}
.st-body{padding:clamp(18px,1.8vw,26px) clamp(20px,2vw,30px) clamp(22px,2vw,30px);display:flex;flex-direction:column;gap:10px}
.st-meta{font-size:12.5px;color:var(--muted)}
.st-card h3{margin:0;font-size:clamp(19px,1.5vw,24px);line-height:1.4;font-weight:500}
.st-card h3 a{background:linear-gradient(currentColor,currentColor) 0 100% / 0 1px no-repeat;transition:background-size .35s var(--ease),color .2s}
.st-card h3 a:hover{background-size:100% 1px;color:var(--red)}
.st-lesson{margin:auto 0 0;padding-top:12px;border-top:1px solid var(--line);font-size:14.5px;line-height:1.6;color:var(--muted)}
.st-lesson b{display:block;font-size:12px;color:var(--orange);margin-bottom:2px}
.st-card.lead{grid-template-rows:none;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);background:var(--inv-bg);color:var(--inv-fg)}
.st-card.lead .st-metric{background:transparent;border:0;border-right:1px solid rgba(250,248,245,.12);justify-content:center;padding:clamp(28px,3.4vw,56px)}
.st-card.lead .st-metric .ba{font-size:clamp(40px,4.6vw,80px)}
.st-card.lead .st-metric .bf,.st-card.lead .st-metric .lbl,.st-card.lead .st-metric .u,.st-card.lead .st-meta,.st-card.lead .st-lesson{color:rgba(250,248,245,.65)}
.st-card.lead .st-metric .af{color:var(--inv-fg)}
.st-card.lead .st-body{justify-content:center;padding:clamp(28px,3.4vw,56px)}
.st-card.lead h3{font-size:clamp(24px,2.3vw,38px);line-height:1.3}
.st-card.lead .st-lesson{border-top-color:rgba(250,248,245,.14)}

/* story detail */
.kpi-band{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:12px;padding:0 var(--pad);margin-bottom:clamp(40px,4.4vw,72px)}
.kpi-band .kpi{background:var(--card-grey);border:0;border-radius:var(--r-card);padding:clamp(18px,1.8vw,26px);display:flex;flex-direction:column;gap:6px}
.kpi-band .kpi div{display:flex;align-items:center;gap:10px}
.kpi-band .kpi svg{width:.5em;height:.5em;color:var(--orange)}
.kpi-band .kpi.big{background:var(--inv-bg);color:var(--inv-fg)}
.kpi-band .kpi.big small{color:rgba(250,248,245,.65)}
.kpi-band .kpi.big div{font-size:clamp(30px,3vw,52px)}
.story-body{display:grid;grid-template-columns:minmax(0,760px) minmax(220px,300px);gap:clamp(24px,5vw,96px);padding:0 var(--pad)}
.lp-step{padding:clamp(28px,3vw,44px) 0;border-top:1px solid var(--line)}
.lp-step:first-child{border-top:0;padding-top:0}
.lp-lbl{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:600;color:var(--muted);margin-bottom:10px}
.lp-lbl span{width:28px;height:28px;border-radius:50%;background:var(--fg);color:var(--bg);display:grid;place-items:center;font-size:12px}
.lp-step:last-of-type .lp-lbl span{background:var(--orange)}
.lp-step h2{margin:0 0 16px;font-size:clamp(22px,1.9vw,30px);line-height:1.4;font-weight:500;letter-spacing:-.01em;scroll-margin-top:calc(var(--nav-h) + 24px)}
.lp-step .prose{font-size:clamp(16px,1.15vw,17.5px)}
.decider{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:16px 0 0}
.decider div{border-radius:12px;border:1px solid var(--line);padding:12px 14px}
.decider dt{font-size:12px;color:var(--muted)}
.decider dd{margin:2px 0 0;font-weight:600;font-size:15px;line-height:1.45}
.lesson{border-radius:var(--r-card);background:var(--card-grey);padding:18px 20px;border-left:6px solid var(--orange);font-weight:500;line-height:1.65}
.lesson b{display:block;font-size:12.5px;color:var(--muted);font-weight:600;margin-bottom:6px}
.story-facts{align-self:start;position:sticky;top:calc(var(--nav-h) + 24px);border-radius:var(--r-card);border:1px solid var(--line);padding:20px}
.story-facts > b{display:block;font-size:12.5px;color:var(--muted);margin-bottom:10px}
.story-facts dl{margin:0;display:grid;gap:0}
.story-facts dt{font-size:12px;color:var(--muted);padding-top:12px}
.story-facts dd{margin:2px 0 0;padding-bottom:12px;border-bottom:1px solid var(--line);font-weight:500;font-size:14.5px}
.story-facts dd:last-child{border-bottom:0}
.story-facts a{color:var(--red)}

/* article additions */
.art-fig{margin:0 0 clamp(28px,3vw,44px)}
.art-fig .ph-img{aspect-ratio:16/9;border-radius:var(--r-card)}
.art-fig figcaption{margin-top:10px;font-size:13px;color:var(--muted)}
.next-step{display:grid;grid-template-columns:1fr auto;align-items:center;gap:4px 16px;margin-top:clamp(32px,3vw,48px);padding:20px 22px;border-radius:var(--r-card);background:var(--card-grey);text-decoration:none!important}
.next-step small{grid-column:1;font-size:12.5px;color:var(--muted);font-weight:600}
.next-step span{grid-column:1;font-size:clamp(17px,1.3vw,20px);font-weight:500;line-height:1.45}
.next-step svg{grid-column:2;grid-row:1 / span 2;width:22px;height:22px;transition:transform .3s var(--ease)}
.next-step:hover span{color:var(--red)}
.next-step:hover svg{transform:translateX(5px)}
.ctx + .ctx{margin-top:0}
.ctx a span{line-height:1.45}

/* skill path (Academy · Work) */
.skills{margin:0;padding:0;list-style:none;display:grid;gap:clamp(12px,1.4vw,20px)}
.skill{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:clamp(20px,3vw,56px);border-radius:var(--r-card);background:var(--card-grey);padding:clamp(22px,2.4vw,36px);scroll-margin-top:calc(var(--nav-h) + 24px)}
.skill.first{background:var(--inv-bg);color:var(--inv-fg)}
.skill.first .sk-meta,.skill.first .sk-body > p{color:rgba(250,248,245,.7)}
.skill.first .path-link{border-top-color:rgba(250,248,245,.16)}
.skill.first .exercise{background:rgba(250,248,245,.08)}
.sk-head{display:flex;gap:16px;align-items:flex-start}
.sk-head .no{flex:none;width:40px;height:40px;border-radius:50%;background:var(--surface);color:#111;display:grid;place-items:center;font-weight:600}
.sk-meta{font-size:12.5px;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.sk-meta .start{font-size:12px;font-weight:600;color:#fff;background:var(--red);border-radius:999px;padding:3px 10px}
.skill h3{margin:6px 0 8px;font-size:clamp(21px,1.8vw,30px);font-weight:500;line-height:1.3}
.sk-goal{margin:0;font-size:15.5px;line-height:1.6}
.sk-body > p{margin:0 0 10px;color:var(--muted);line-height:1.7;font-size:15px}
.exercise{margin-top:16px;border-radius:12px;background:var(--surface);padding:14px 16px;font-size:14.5px;line-height:1.65}
.exercise b{display:block;font-size:12px;color:var(--orange);margin-bottom:4px}
.skill.first .exercise b{color:var(--orange)}
.skill.first .path-link:hover{color:#FF7A6E}

/* authors */
.au-cred{margin:10px 0 0;font-size:14.5px;color:var(--muted)}
.au-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(12px,1.4vw,22px)}
ul.plain{margin:14px 0 0;padding:0;list-style:none;display:grid;gap:10px}
ul.plain li{font-size:15.5px;line-height:1.55;padding-bottom:10px;border-bottom:1px solid var(--line)}
ul.plain li:last-child{border-bottom:0;padding-bottom:0}
ul.plain a{background:linear-gradient(currentColor,currentColor) 0 100% / 0 1px no-repeat;transition:background-size .35s var(--ease),color .2s;font-weight:500}
ul.plain a:hover{background-size:100% 1px;color:var(--red)}

@media (max-width:1080px){
  .story-body{grid-template-columns:minmax(0,1fr)}
  .story-facts{position:static;order:-1}
}
@media (max-width:900px){
  .st-card.lead{grid-template-columns:1fr}
  .st-card.lead .st-metric{border-right:0;border-bottom:1px solid rgba(250,248,245,.12)}
  .kpi-band{grid-template-columns:1fr}
  .skill{grid-template-columns:1fr}
  .decider,.au-grid{grid-template-columns:1fr}
}

/* ================= layout frame =================
   Inner pages share one content frame: capped at --frame and centred, so wide screens gain equal margins
   instead of stretching cards. Detail pages (article, story) use one 3-column grid inside that frame:
   contents | reading column | context. Title, KPI band and body all start on the reading column's edge. */
:root{--frame:1320px}
.view .pg-hero,.view .sec{max-width:calc(var(--frame) + 2 * var(--pad));margin-inline:auto}
.dgrid{display:grid;grid-template-columns:minmax(170px,210px) minmax(0,1fr) minmax(230px,270px);column-gap:clamp(28px,3.4vw,56px);
  width:min(calc(100% - 2 * var(--pad)),var(--frame));margin:0 auto;align-items:start}
.dgrid > .art-head{grid-column:2 / 4;grid-row:1;padding:clamp(28px,3vw,48px) 0 clamp(28px,3vw,44px);max-width:none}
.dgrid > .art-head .crumbs{margin-bottom:clamp(20px,2.4vw,32px)}
.dgrid > .toc{grid-column:1;grid-row:2}
.dgrid > .prose,.dgrid > .story-main{grid-column:2;grid-row:2;min-width:0}
.dgrid > .art-aside,.dgrid > .story-facts{grid-column:3;grid-row:2}
.dgrid.story > .kpi-band{grid-column:2 / 4;grid-row:2;padding:0}
.dgrid.story > .toc,.dgrid.story > .story-main,.dgrid.story > .story-facts{grid-row:3}
.dgrid .toc a{font-variant-numeric:tabular-nums}
@media (max-width:1080px){
  .dgrid{grid-template-columns:minmax(0,1fr)}
  .dgrid > *{grid-column:1 !important;grid-row:auto !important}
  .dgrid > .art-head{order:0}.dgrid > .kpi-band{order:1}.dgrid > .toc{order:2}
  .dgrid > .story-facts{order:3;position:static;margin-bottom:32px}
  .dgrid > .prose,.dgrid > .story-main{order:4}
  .dgrid > .art-aside{order:5;margin-top:24px}
  .dgrid > .toc{margin-bottom:24px}
}

.lesson small{display:block;margin-top:8px;font-size:12.5px;font-weight:400;color:var(--muted)}
.ctx a.ctx-more{padding-top:6px;font-size:13px;color:var(--muted)}
.ctx a.ctx-more:hover{color:var(--red)}

/* section intro sits under its heading (it explains that section); the right side is kept for actions only */
.sec-title{max-width:62ch}
.sec-lede{margin:12px 0 0;font-size:clamp(16px,1.2vw,19px);line-height:1.65;color:var(--muted)}
html[lang="th"] .sec-lede{line-height:1.75}
.sec-head .link-more{margin-bottom:6px}

/* ================= author page (reference: portfolio intro + "What I do" + skill band) ================= */
.au-head{padding-bottom:clamp(40px,4.4vw,72px)}
.au-intro{display:grid;grid-template-columns:auto minmax(0,1fr);gap:clamp(28px,5vw,80px);align-items:center;max-width:1080px;margin:clamp(12px,2vw,28px) auto 0}
.au-portrait{width:clamp(180px,20vw,290px);aspect-ratio:1;border-radius:50%;overflow:hidden;background:var(--surface);
  box-shadow:0 0 0 clamp(8px,.9vw,14px) var(--surface),0 18px 50px rgba(17,17,17,.12);margin:clamp(8px,.9vw,14px)}
.au-portrait img{width:100%;height:100%;object-fit:cover;object-position:50% 25%;filter:grayscale(1) contrast(1.05)}
.au-portrait.ini{background:var(--inv-bg);color:var(--inv-fg);display:grid;place-items:center}
.au-portrait.ini span{font-size:clamp(52px,5.6vw,88px);font-weight:500;letter-spacing:-.02em}
.au-role{margin:0 0 8px;font-size:clamp(15px,1.1vw,17px);color:var(--muted)}
.au-name{margin:0;font-size:clamp(36px,4vw,64px);line-height:1.15;font-weight:500;letter-spacing:-.02em}
html[lang="th"] .au-name{line-height:1.3;letter-spacing:0}
.au-bio{margin:18px 0 0;max-width:52ch;font-size:clamp(16px,1.2vw,18px);line-height:1.75;color:var(--fg)}
.u-title{display:inline-block;margin:0 0 clamp(24px,2.6vw,40px);font-size:clamp(20px,1.6vw,26px);font-weight:500;padding-bottom:10px;position:relative}
.u-title::after{content:"";position:absolute;left:0;bottom:0;width:42px;height:3px;border-radius:2px;background:var(--orange)}
.skill-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(28px,3vw,48px) clamp(28px,4vw,72px)}
.sk-item{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start}
.sk-ic{width:40px;height:40px;color:var(--orange);display:grid;place-items:center}
.sk-ic svg{width:34px;height:34px}
.sk-item h3{margin:4px 0 8px;font-size:clamp(17px,1.3vw,20px);font-weight:600;line-height:1.4}
.sk-item p{margin:0;font-size:15.5px;line-height:1.75;color:var(--muted)}
.topic-band{display:grid;grid-template-columns:minmax(220px,.8fr) minmax(0,2.2fr);gap:clamp(20px,3vw,56px);align-items:center;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:clamp(22px,2.4vw,34px) 0}
.tb-head{display:flex;align-items:center;gap:18px}
.tb-head h2{margin:0;font-size:clamp(20px,1.7vw,28px);font-weight:500;line-height:1.3}
.tb-items{display:flex;flex-wrap:wrap;gap:clamp(20px,3vw,56px);justify-content:flex-start}
.tb-item{display:flex;flex-direction:column;gap:4px;min-width:140px}
.tb-n{font-size:clamp(34px,3.2vw,52px);font-weight:500;letter-spacing:-.02em;line-height:1;font-variant-numeric:tabular-nums;display:flex;align-items:baseline;gap:8px}
.tb-n small{font-size:14px;font-weight:500;color:var(--muted);letter-spacing:0}
.tb-t{font-size:clamp(16px,1.2vw,19px);font-weight:500;background:linear-gradient(currentColor,currentColor) 0 100% / 0 1px no-repeat;transition:background-size .35s var(--ease),color .2s;align-self:flex-start}
.tb-item:hover .tb-t{background-size:100% 1px;color:var(--red)}
@media (max-width:900px){
  .au-intro{grid-template-columns:1fr;justify-items:start}
  .skill-grid{grid-template-columns:1fr}
  .topic-band{grid-template-columns:1fr}
}

/* ================= 14-Day Sprint form ================= */
.sprint-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(28px,4vw,72px);align-items:start}
.sp-steps{margin:0;padding:0;list-style:none;display:grid;gap:0;border-top:1px solid var(--line)}
.sp-steps li{display:grid;grid-template-columns:auto 1fr;gap:16px;padding:22px 0;border-bottom:1px solid var(--line)}
.sp-steps .no{width:36px;height:36px;border-radius:50%;background:var(--fg);color:var(--bg);display:grid;place-items:center;font-weight:600}
.sp-steps li:last-child .no{background:var(--orange)}
.sp-steps small{font-size:12.5px;color:var(--muted);font-weight:600}
.sp-steps h3{margin:2px 0 6px;font-size:clamp(18px,1.4vw,22px);font-weight:500}
.sp-steps p{margin:0;color:var(--muted);line-height:1.7;font-size:15.5px}
.sprint-form,.f-done{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:clamp(22px,2.6vw,40px);box-shadow:0 20px 50px rgba(17,17,17,.06)}
.sprint-form h2,.f-done h2{margin:0 0 20px;font-size:clamp(22px,1.9vw,30px);font-weight:500}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.f-field{display:flex;flex-direction:column;gap:6px;margin:0 0 16px;border:0;padding:0;min-width:0}
.f-field label,.f-field legend{font-size:14px;font-weight:600;padding:0}
.f-field > label > span,.f-field > legend > span{color:var(--red)}
.f-field input,.f-field select,.f-field textarea{font:inherit;font-size:16px;color:var(--fg);background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:12px 14px;min-height:48px;width:100%;transition:border-color .2s,box-shadow .2s}
.f-field textarea{resize:vertical;min-height:110px}
.f-field input:focus,.f-field select:focus,.f-field textarea:focus{outline:none;border-color:var(--fg);box-shadow:0 0 0 3px rgba(255,154,31,.25)}
.f-field [aria-invalid="true"]{border-color:var(--red)}
.f-hint{font-size:12.5px;color:var(--muted)}
.f-err{font-size:12.5px;color:var(--red);min-height:0}
.f-err:empty{display:none}
.f-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.f-chip{position:relative;cursor:pointer}
.f-chip input{position:absolute;opacity:0;pointer-events:none}
.f-chip span{display:inline-flex;align-items:center;min-height:40px;padding:8px 14px;border-radius:999px;border:1px solid var(--line);background:var(--bg);font-size:14px;line-height:1.35;transition:all .2s}
.f-chip:hover span{border-color:var(--fg)}
.f-chip input:checked + span{background:var(--fg);color:var(--bg);border-color:var(--fg)}
.f-chip input:focus-visible + span{outline:2px solid var(--orange);outline-offset:2px}
.f-consent{display:flex;gap:10px;align-items:flex-start;font-size:14px;line-height:1.55;margin:6px 0 4px;cursor:pointer}
.f-consent input{width:18px;height:18px;margin-top:2px;accent-color:#111;flex:none}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.f-submit{margin-top:18px;border:0;cursor:pointer;width:100%;justify-content:center;height:52px;font-size:16px}
.f-done{display:flex;flex-direction:column;align-items:flex-start;gap:6px}
.f-done .ok{width:48px;height:48px;border-radius:50%;background:var(--orange);color:#fff;display:grid;place-items:center;margin-bottom:10px}
.f-done .ok svg{width:22px;height:22px}
.f-done p{margin:0 0 16px;color:var(--muted);line-height:1.7}

/* ================= Founder Letter ================= */
.fl-hero{position:relative;overflow:hidden;height:clamp(460px,52vw,820px);
  background:radial-gradient(120% 90% at 70% 35%,#cfcfcf 0%,#bdbdbd 55%,#adadad 100%)}
.fl-hero img{position:absolute;right:5%;top:7%;height:112%;width:auto;max-width:none;filter:drop-shadow(0 30px 40px rgba(0,0,0,.12))}
.fl-name{position:absolute;left:0;right:0;bottom:-.1em;margin:0;color:#fff;font-weight:400;letter-spacing:-.05em;line-height:.86;
  font-size:clamp(56px,11vw,220px);white-space:nowrap;pointer-events:none;overflow:hidden;text-shadow:0 0 60px rgba(0,0,0,.12)}
.fl-name span{display:block}
.fl-name span:first-child{padding-left:.9em;font-size:.72em}
.fl-name span:last-child{padding-left:.02em}
.fl-body{padding:clamp(48px,6vw,110px) var(--pad) var(--sp-section)}
.fl-inner{max-width:880px;margin:0 auto}
.fl-inner .crumbs{margin-bottom:24px}
.fl-title{margin:0 0 clamp(24px,2.6vw,40px);font-size:clamp(20px,1.6vw,26px);font-weight:500;color:var(--muted);line-height:1.4}
.fl-lead{font-size:clamp(24px,2.3vw,36px)!important;line-height:1.5!important;letter-spacing:-.01em;color:var(--fg)!important;margin:0 0 1.2em!important}
.fl-inner > p{font-size:clamp(17px,1.3vw,20px);line-height:1.85;margin:0 0 1.2em;max-width:62ch}
.fl-sign{display:flex;align-items:center;gap:14px;margin:clamp(28px,3vw,44px) 0 0;padding-top:24px;border-top:1px solid var(--line)}
.fl-sign .avatar{width:52px;height:52px}
.fl-sign .avatar img{filter:grayscale(1)}
.fl-sign b{display:block;font-weight:600}
.fl-sign small{color:var(--muted)}
@media (max-width:900px){
  .sprint-grid{grid-template-columns:1fr}
  .f-row{grid-template-columns:1fr}
}
@media (max-width:620px){
  .fl-hero{height:118vw}
  .fl-hero img{right:-14%;top:8%;height:108%}
  .fl-name{font-size:15vw}
}

.sp-get{margin:12px 0 0!important;padding:12px 14px;border-radius:12px;background:var(--card-grey);color:var(--fg)!important;font-size:14.5px!important;line-height:1.65!important}
.sp-get b,.sp-prep b{display:block;font-size:12px;color:var(--orange);font-weight:700;margin-bottom:2px}
.sp-prep{margin:22px 0 0;font-size:15px;line-height:1.7;color:var(--muted)}

/* citations and the checker line */
sup.cite{line-height:0}
sup.cite a{display:inline-grid;place-items:center;min-width:1.35em;height:1.35em;padding:0 .3em;margin-left:.15em;border-radius:6px;background:rgba(255,154,31,.16);color:#B8560A;
  font-size:.62em;font-weight:700;text-decoration:none!important;vertical-align:super;transition:background .2s,color .2s}
sup.cite a:hover,sup.cite a:focus-visible{background:var(--orange);color:#fff}
.refs li{scroll-margin-top:calc(var(--nav-h) + 24px);border-radius:8px;transition:background .6s}
.refs li:target{background:rgba(255,154,31,.14)}
.ref-back{text-decoration:none!important;color:var(--muted);margin-left:4px}
.refs .checked{margin:12px 0 0;font-size:14px}
.refs .checked a,.story-facts dd a{color:var(--fg);font-weight:600;text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--orange)}
.f-consent a{color:var(--fg);font-weight:600;text-decoration:underline;text-underline-offset:3px}
/* privacy policy */
.policy > .art-head h1{max-width:none}
.pol-meta{margin:12px 0 0;font-size:14px;color:var(--muted)}


.msheet .msheet-signup{display:none}
@media (max-width:760px){.nav-actions{gap:6px}.nav .pill-solid .label-long{display:none}.nav .pill{padding-left:14px;padding-right:14px}}
@media (max-width:640px){.nav .nav-signup{display:none}.msheet-row{flex-wrap:wrap}.msheet-row .lang{flex:1 0 100%}.msheet-row .msheet-signup{display:inline-flex;flex:1;justify-content:center;height:48px;white-space:nowrap}.msheet-row .pill-solid{white-space:nowrap}}