/* ============================================================
   C&A Audit Office — v5.1 shared design system
   "Assurance Ledger" · Trust & Authority direction (refined)
   Shared across the v5.1 page family. Self-contained tokens.
   Brand accent LOCKED: Pantone 1797 U #CB2027
   ============================================================ */

:root{
  --ca-red:#CB2027;          /* Pantone 1797 U — LOCKED */
  --ca-red-deep:#A51A20;
  --ca-red-soft:#F7E5E6;
  --ca-red-tint:#FCEFEF;
  --ink:#16181D;
  --ink-2:#3A3D44;
  --ink-mute:#65696F;
  --paper:#FBFAF8;
  --paper-2:#F2EFEA;
  --paper-warm:#EDE8E0;
  --line:#E1DDD5;
  --line-strong:#C9C4BB;
  --white:#FFFFFF;
  --navy:#15171C;
  --navy-2:#1E2128;

  --f-disp:'Lexend','IBM Plex Sans Thai',system-ui,sans-serif;
  --f-sans:'IBM Plex Sans Thai','Lexend',system-ui,sans-serif;
  --f-serif:'Noto Serif Thai',Georgia,serif;
  --f-mono:'IBM Plex Mono',ui-monospace,monospace;

  --r:14px;
  --r-lg:20px;
  --shadow-sm:0 1px 2px rgba(22,24,29,.04), 0 2px 6px rgba(22,24,29,.04);
  --shadow:0 12px 32px -16px rgba(22,24,29,.22);
  --shadow-lg:0 30px 60px -28px rgba(22,24,29,.34);
  --ease:cubic-bezier(.22,1,.36,1);
  --nav-h:66px;
}

*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 16px);}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:var(--f-sans);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
svg{display:block;}
::selection{background:var(--ca-red);color:#fff;}

/* Accessibility */
.skip-link{position:fixed;left:16px;top:-64px;z-index:300;background:var(--ink);color:#fff;padding:11px 20px;border-radius:999px;font-size:14px;font-weight:500;box-shadow:var(--shadow);transition:top .2s var(--ease);}
.skip-link:focus{top:16px;}
:focus-visible{outline:2px solid var(--ca-red);outline-offset:3px;border-radius:4px;}
#main:focus{outline:none;}
@media (prefers-reduced-motion:reduce){.skip-link{transition:none;}}

.wrap{max-width:1240px;margin:0 auto;padding:0 32px;}
.eyebrow{
  font-family:var(--f-mono);font-size:11.5px;font-weight:500;
  letter-spacing:.22em;text-transform:uppercase;color:var(--ca-red);
  display:inline-flex;align-items:center;gap:10px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--ca-red);display:inline-block;}
.eyebrow.muted{color:var(--ink-mute);}
.eyebrow.muted::before{background:var(--ink-mute);}

h1,h2,h3,h4{font-family:var(--f-disp);font-weight:600;letter-spacing:-.01em;line-height:1.12;color:var(--ink);}
:lang(th) h1,:lang(th) h2{line-height:1.22;}

/* ---- Highlight word — IDENTICAL treatment at every breakpoint ----
   The accent word keeps the SAME weight + color as its heading and
   carries a marker underline sized in em, so it scales proportionally
   with the type instead of jumping between desktop and mobile. */
.hl{font-style:normal;color:var(--ca-red);position:relative;white-space:nowrap;}
.hl::after{
  content:"";position:absolute;left:0;right:0;bottom:.02em;height:.12em;
  background:var(--ca-red);opacity:.22;border-radius:.1em;z-index:-1;
}
:lang(th) .hl{white-space:normal;}

/* Icons */
.ic{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex:none;}
.ic-lg{width:30px;height:30px;}
.ic-sm{width:18px;height:18px;}

/* Scroll progress */
.progress{position:fixed;top:0;left:0;height:3px;width:100%;background:transparent;z-index:120;pointer-events:none;}
.progress span{display:block;height:100%;width:100%;background:var(--ca-red);transform:scaleX(0);transform-origin:0 50%;}

/* ============ NAV ============ */
.nav{position:sticky;top:0;z-index:100;background:rgba(251,250,248,.86);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line);}
.nav-inner{display:flex;align-items:center;gap:28px;padding:0 32px;height:var(--nav-h);max-width:1440px;margin:0 auto;}
.nav-brand{display:flex;align-items:center;gap:14px;flex:none;}
.nav-brand-mark{width:48px;height:48px;object-fit:contain;}
.nav-brand-text{font-family:var(--f-disp);font-size:19px;font-weight:700;letter-spacing:.005em;line-height:1.05;}
.nav-brand-text small{display:block;font-family:var(--f-sans);font-size:11px;font-weight:400;letter-spacing:.02em;color:var(--ink-mute);margin-top:3px;}
.nav-menu{display:flex;gap:4px;align-items:center;margin-left:8px;}
.nav-link{font-size:14.5px;color:var(--ink-2);position:relative;padding:8px 12px;border-radius:9px;transition:color .2s var(--ease),background .2s var(--ease);display:inline-flex;align-items:center;gap:6px;cursor:pointer;}
.nav-link:hover{color:var(--ink);background:rgba(22,24,29,.04);}
.nav-link.active{color:var(--ca-red);font-weight:500;}
.nav-link .ic{width:15px;height:15px;opacity:.6;transition:transform .2s var(--ease);}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px;}

/* dropdown */
.nav-has-menu{position:relative;}
.nav-dropdown{position:absolute;top:calc(100% + 10px);left:0;min-width:300px;background:var(--white);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow-lg);padding:10px;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;}
.nav-has-menu:hover .nav-dropdown,.nav-has-menu:focus-within .nav-dropdown{opacity:1;visibility:visible;transform:translateY(0);}
.nav-has-menu:hover .nav-link .ic{transform:rotate(180deg);}
.nav-dd-item{display:flex;gap:12px;padding:11px 12px;border-radius:10px;transition:background .18s var(--ease);align-items:flex-start;}
.nav-dd-item:hover{background:var(--paper-2);}
.nav-dd-item .ic{width:20px;height:20px;color:var(--ca-red);margin-top:2px;opacity:1;}
.nav-dd-item b{display:block;font-size:14.5px;font-weight:600;color:var(--ink);}
.nav-dd-item span{display:block;font-size:12.5px;color:var(--ink-mute);margin-top:3px;line-height:1.5;}

.nav-versions{display:inline-flex;gap:4px;}
.nav-versions a{padding:5px 9px;border:1px solid var(--line-strong);border-radius:999px;font-family:var(--f-mono);font-size:10.5px;letter-spacing:.06em;color:var(--ink-mute);transition:all .2s var(--ease);}
.nav-versions a:hover{border-color:var(--ink);color:var(--ink);}
.nav-versions a.cur{background:var(--ink);border-color:var(--ink);color:var(--paper);}
.nav-lang{display:inline-flex;border:1px solid var(--line-strong);border-radius:999px;overflow:hidden;font-family:var(--f-mono);font-size:10.5px;letter-spacing:.1em;}
.nav-lang a,.nav-lang strong{padding:5px 10px;}
.nav-lang a{color:var(--ink-mute);}
.nav-lang strong{background:var(--ink);color:var(--paper);font-weight:500;}
.nav-lang span.dis{padding:5px 10px;color:var(--line-strong);cursor:not-allowed;}
.nav-cta{display:inline-flex;align-items:center;gap:8px;padding:11px 18px;background:var(--ca-red);color:#fff;border-radius:999px;font-size:13.5px;font-weight:500;transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);}
.nav-cta:hover{background:var(--ca-red-deep);transform:translateY(-1px);box-shadow:0 10px 22px -10px rgba(203,32,39,.55);}
.nav-cta .ic{width:16px;height:16px;}
.nav-burger{display:none;background:none;border:0;color:var(--ink);cursor:pointer;padding:6px;margin-left:auto;}

/* mobile drawer */
.nav-drawer{position:fixed;inset:0;z-index:200;background:rgba(22,24,29,.4);backdrop-filter:blur(3px);opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s;}
.nav-drawer[data-open="true"]{opacity:1;visibility:visible;}
.nav-drawer-panel{position:absolute;top:0;right:0;height:100%;width:min(380px,86vw);background:var(--paper);box-shadow:var(--shadow-lg);padding:22px;transform:translateX(100%);transition:transform .32s var(--ease);overflow-y:auto;display:flex;flex-direction:column;gap:6px;}
.nav-drawer[data-open="true"] .nav-drawer-panel{transform:translateX(0);}
.nav-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.nav-drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:var(--white);cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--ink);}
.nav-drawer a.d-link{padding:14px 12px;border-radius:10px;font-size:16px;color:var(--ink);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:12px;}
.nav-drawer a.d-link:hover{background:var(--paper-2);}
.nav-drawer a.d-link .ic{color:var(--ca-red);width:20px;height:20px;}
.nav-drawer .d-cta{margin-top:16px;}
.nav-drawer .d-meta{margin-top:auto;padding-top:18px;font-family:var(--f-mono);font-size:10.5px;letter-spacing:.1em;color:var(--ink-mute);text-transform:uppercase;}

/* ============ BUTTONS ============ */
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 24px;border-radius:999px;font-family:var(--f-sans);font-size:14.5px;font-weight:500;letter-spacing:.01em;cursor:pointer;border:1px solid transparent;transition:all .22s var(--ease);}
.btn .ic{width:18px;height:18px;transition:transform .22s var(--ease);}
.btn-primary{background:var(--ca-red);color:#fff;}
.btn-primary:hover{background:var(--ca-red-deep);transform:translateY(-2px);box-shadow:0 14px 28px -12px rgba(203,32,39,.5);}
.btn-primary:hover .ic{transform:translateX(4px);}
.btn-ghost{border-color:var(--line-strong);color:var(--ink);background:var(--white);}
.btn-ghost:hover{border-color:var(--ink);background:var(--ink);color:var(--paper);}
.btn-ghost:hover .ic{transform:translateX(4px);}
.btn-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.22);}
.btn-light:hover{background:#fff;color:var(--ink);}

/* ============ SECTION SCAFFOLD ============ */
.sec{padding:108px 0;position:relative;}
.sec + .sec{border-top:1px solid var(--line);}
.sec-head{max-width:760px;margin-bottom:60px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-head.center .eyebrow{justify-content:center;}
.sec-head h2{font-size:clamp(30px,4vw,46px);margin-top:18px;}
.sec-head .lead{margin-top:20px;font-size:18px;color:var(--ink-2);line-height:1.7;}

/* ============ HERO ============ */
.hero{position:relative;padding:44px 0 60px;overflow:hidden;background:linear-gradient(180deg,var(--white),var(--paper));}
.hero-bg{position:absolute;inset:0;pointer-events:none;z-index:0;}
.hero-glow{position:absolute;inset:0;background:radial-gradient(54% 46% at 86% -4%, rgba(203,32,39,.10), transparent 60%);}
.hero-grid-lines{position:absolute;inset:0;opacity:.45;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:100% 66px,66px 100%;mask-image:linear-gradient(180deg,#000,transparent 62%);}
/* Bangkok skyline silhouette sits along the bottom of the hero */
.hero-skyline{position:absolute;left:0;right:0;bottom:0;z-index:0;width:100%;height:auto;pointer-events:none;}
.hero-skyline .far{fill:var(--paper-warm);}
.hero-skyline .near{fill:#E7DFD4;}
.hero-skyline .accent{fill:var(--ca-red);opacity:.9;}
.hero-skyline .lit{fill:rgba(203,32,39,.16);}
.hero .wrap{position:relative;z-index:1;}
.hero-top{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-bottom:24px;}
.hero-pill{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border:1px solid var(--line-strong);border-radius:999px;background:rgba(255,255,255,.7);backdrop-filter:blur(6px);font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;color:var(--ink-2);}
.hero-pill .ic{width:15px;height:15px;color:var(--ca-red);}
.hero-grid{display:grid;grid-template-columns:1.5fr .9fr;gap:56px;align-items:center;}
.hero h1{font-size:clamp(34px,4.4vw,60px);letter-spacing:-.02em;line-height:1.08;}
:lang(th) .hero h1{line-height:1.18;letter-spacing:-.005em;}
.hero-lead{font-size:19px;line-height:1.72;color:var(--ink-2);margin-top:26px;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-trust{display:flex;align-items:center;gap:18px;margin-top:30px;flex-wrap:wrap;font-size:14.5px;color:var(--ink-mute);}
.hero-trust b{color:var(--ink);font-weight:600;}
.hero-trust .dot{width:4px;height:4px;border-radius:50%;background:var(--line-strong);}

/* hero seal card — frosted glass so it blends with skyline yet stays clear */
.seal{position:relative;border:1px solid rgba(255,255,255,.7);border-radius:var(--r-lg);
  background:linear-gradient(165deg,rgba(255,255,255,.82),rgba(255,255,255,.62));
  backdrop-filter:saturate(160%) blur(18px);
  box-shadow:var(--shadow-lg);padding:30px;}
.seal::before{content:"REGISTERED · จดทะเบียน";position:absolute;top:15px;left:20px;font-family:var(--f-mono);font-size:10.5px;letter-spacing:.16em;color:var(--ink-mute);}
.seal-mark{display:flex;align-items:center;gap:16px;margin-top:24px;padding-bottom:22px;border-bottom:1px solid var(--line);}
.seal-mark img{width:60px;height:60px;object-fit:contain;}
.seal-mark .nm{font-family:var(--f-serif);font-size:19.5px;line-height:1.35;color:var(--ink);}
.seal-rows{display:grid;gap:0;margin-top:6px;}
.seal-rows .row{display:flex;align-items:center;gap:12px;padding:14px 0;border-bottom:1px dashed var(--line);font-size:15.5px;color:var(--ink-2);}
.seal-rows .row:last-child{border-bottom:0;}
.seal-rows .row .ic{width:19px;height:19px;color:var(--ca-red);}
.seal-rows .row b{color:var(--ink);font-weight:600;margin-left:auto;font-family:var(--f-mono);font-size:13px;letter-spacing:.04em;}

/* stat strip */
.statstrip{margin-top:58px;border-top:2px solid var(--ink);display:grid;grid-template-columns:repeat(4,1fr);}
.statstrip .st{padding:26px 24px 0 0;border-right:1px solid var(--line);}
.statstrip .st:last-child{border-right:0;}
.statstrip .k{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-mute);}
.statstrip .v{font-family:var(--f-disp);font-weight:600;font-size:clamp(38px,4.4vw,54px);line-height:1;margin-top:10px;letter-spacing:-.02em;}
.statstrip .v .u{color:var(--ca-red);}
.statstrip .s{font-size:13.5px;color:var(--ink-mute);margin-top:8px;}

/* ============ TRUST / LOGO BAND ============ */
.trustband{padding:34px 0;background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.trustband .wrap{display:flex;align-items:center;gap:32px;flex-wrap:wrap;justify-content:space-between;}
.trustband .lbl{font-family:var(--f-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-mute);flex:none;}
.trustband .marks{display:flex;align-items:center;gap:14px 30px;flex-wrap:wrap;}
.trustband .mk{display:inline-flex;align-items:center;gap:9px;font-family:var(--f-disp);font-weight:600;font-size:15px;color:var(--ink-2);}
.trustband .mk .ic{width:20px;height:20px;color:var(--ca-red);}

/* ============ CARD GRIDS ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}

.card{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:30px;box-shadow:var(--shadow-sm);transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-strong);}
.icon-badge{width:52px;height:52px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:var(--ca-red-soft);color:var(--ca-red);margin-bottom:20px;transition:background .3s var(--ease),color .3s var(--ease);}
.card:hover .icon-badge{background:var(--ca-red);color:#fff;}
.card h3{font-size:20px;}
.card .en{font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-mute);margin-top:6px;}
.card p{margin-top:14px;color:var(--ink-2);font-size:15.5px;line-height:1.72;}
.card ul{list-style:none;margin-top:18px;display:grid;gap:10px;}
.card li{display:flex;gap:10px;font-size:15px;color:var(--ink-2);line-height:1.55;}
.card li .ic{width:17px;height:17px;color:var(--ca-red);margin-top:3px;}

/* why grid */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;}
.why{background:var(--white);padding:34px 30px;transition:background .3s var(--ease);position:relative;}
.why:hover{background:var(--paper);}
.why .icon-line{color:var(--ca-red);margin-bottom:18px;}
.why .icon-line .ic{width:28px;height:28px;}
.why h3{font-size:19px;}
.why p{margin-top:10px;color:var(--ink-mute);font-size:15.5px;line-height:1.7;}

/* services numbered */
.services{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.svc{position:relative;}
.svc .num{position:absolute;top:30px;right:30px;font-family:var(--f-mono);font-size:12px;letter-spacing:.1em;color:var(--line-strong);}

/* approach steps */
.steps{counter-reset:step;display:grid;gap:0;border-left:2px solid var(--line);margin-left:8px;}
.step{position:relative;padding:0 0 38px 38px;}
.step:last-child{padding-bottom:0;}
.step::before{counter-increment:step;content:counter(step,decimal-leading-zero);position:absolute;left:-15px;top:0;width:28px;height:28px;border-radius:50%;background:var(--paper);border:2px solid var(--ca-red);color:var(--ca-red);font-family:var(--f-mono);font-size:11px;font-weight:500;display:flex;align-items:center;justify-content:center;}
.step .stt{display:flex;align-items:center;gap:12px;}
.step h3{font-size:19px;}
.step .ic{color:var(--ca-red);width:22px;height:22px;}
.step p{margin-top:8px;color:var(--ink-2);font-size:15.5px;max-width:560px;line-height:1.72;}
.step .en{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-mute);margin-top:6px;}

/* metrics band */
.band{background:var(--navy);color:#fff;position:relative;overflow:hidden;}
.band::before{content:"";position:absolute;inset:0;background:radial-gradient(50% 60% at 90% 0%,rgba(203,32,39,.16),transparent 60%);pointer-events:none;}
.band .wrap{position:relative;z-index:1;}
.band .sec-head h2{color:#fff;}
.band .eyebrow{color:var(--ca-red);}
.band .sec-head .lead{color:rgba(255,255,255,.62);}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid rgba(255,255,255,.16);}
.metric{padding:30px 24px 0 0;border-right:1px solid rgba(255,255,255,.13);}
.metric:last-child{border-right:0;}
.metric .v{font-family:var(--f-disp);font-weight:600;font-size:clamp(40px,5vw,60px);line-height:1;letter-spacing:-.02em;}
.metric .v .u{color:var(--ca-red);}
.metric .k{margin-top:14px;font-size:15px;color:rgba(255,255,255,.72);line-height:1.5;}

/* industries */
.ind-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;}
.ind{background:var(--white);padding:28px 22px;display:flex;flex-direction:column;gap:14px;transition:background .25s var(--ease);}
.ind:hover{background:var(--paper);}
.ind .ic{width:26px;height:26px;color:var(--ca-red);}
.ind h4{font-size:16px;font-weight:600;line-height:1.4;}
.ind small{font-family:var(--f-mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-mute);}

/* credentials */
.creds{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.cred{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:32px;position:relative;overflow:hidden;}
.cred::after{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:var(--ca-red);}
.cred .icon-badge{background:var(--paper-2);color:var(--ink);}
.cred h4{font-size:19px;line-height:1.4;}
.cred p{margin-top:12px;font-size:15px;color:var(--ink-mute);line-height:1.7;}
.cred .since{margin-top:20px;display:inline-flex;align-items:center;gap:7px;font-family:var(--f-mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ca-red);}
.cred .since .ic{width:15px;height:15px;}

/* partners */
.partners{display:flex;flex-wrap:wrap;justify-content:center;gap:20px;}
.partner{flex:0 1 calc(25% - 15px);background:var(--white);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:transform .3s var(--ease),box-shadow .3s var(--ease);}
.partner:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.partner:hover .pphoto{filter:saturate(1.04);}
.partner .pphoto{display:block;width:100%;height:auto;aspect-ratio:4/5;object-fit:cover;object-position:center top;background:var(--paper-2);border-bottom:1px solid var(--line);transition:filter .3s var(--ease);}
.partner.lead{border-color:var(--ca-red);}
.partner.lead .pphoto{border-bottom-color:var(--ca-red);}
.partner .pad{padding:18px 22px 22px;}
.partner .cpa{display:inline-flex;align-items:center;gap:5px;font-family:var(--f-mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--ca-red);}
.partner .cpa .ic{width:13px;height:13px;}
.partner h4{font-size:19px;margin-top:9px;}
.partner .role{font-size:14.5px;color:var(--ink-mute);margin-top:5px;}
.partner .pcred{font-size:13px;line-height:1.6;color:var(--ink-mute);margin-top:11px;padding-top:11px;border-top:1px dashed var(--line);}

/* timeline */
.tl-section{background:var(--navy);color:#fff;overflow:hidden;}
.tl-section .eyebrow{color:var(--ca-red);}
.tl-section .sec-head h2{color:#fff;}
.tl-section .sec-head .lead{color:rgba(255,255,255,.62);}
.tl-viewport{position:relative;}
.tl-track{display:flex;gap:0;overflow-x:auto;scroll-snap-type:x proximity;padding-bottom:18px;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.35) transparent;-webkit-overflow-scrolling:touch;}
.tl-track::-webkit-scrollbar{height:6px;}
.tl-track::-webkit-scrollbar-track{background:rgba(255,255,255,.08);border-radius:999px;}
.tl-track::-webkit-scrollbar-thumb{background:rgba(255,255,255,.3);border-radius:999px;}
.tl-item{flex:0 0 340px;padding:34px 34px 34px 0;border-top:2px solid rgba(255,255,255,.2);position:relative;scroll-snap-align:start;}
.tl-item::before{content:"";position:absolute;top:-7px;left:0;width:12px;height:12px;border-radius:50%;background:rgba(255,255,255,.3);}
.tl-item.accent::before{background:var(--ca-red);box-shadow:0 0 0 5px rgba(203,32,39,.25);}
.tl-item .yr{font-family:var(--f-disp);font-weight:600;font-size:46px;line-height:1;letter-spacing:-.02em;}
.tl-item.accent .yr{color:var(--ca-red);}
.tl-item h4{color:#fff;font-size:19px;margin-top:14px;}
.tl-item p{color:rgba(255,255,255,.62);font-size:15px;margin-top:8px;line-height:1.65;max-width:290px;}
.tl-hint{display:flex;align-items:center;gap:8px;margin-top:30px;font-family:var(--f-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.5);}
.tl-hint .ic{width:16px;height:16px;color:var(--ca-red);}

/* ============ INSIGHTS / CONTENT ============ */
.insights-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.article{display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);}
.article:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--line-strong);}
.article-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--navy);}
.article-cover svg{position:absolute;inset:0;width:100%;height:100%;}
.article-cover .cat{position:absolute;left:14px;top:14px;z-index:2;font-family:var(--f-mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;background:rgba(255,255,255,.92);color:var(--ca-red);padding:5px 10px;border-radius:999px;font-weight:500;}
.article-body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1;}
.article-meta{display:flex;align-items:center;gap:10px;font-family:var(--f-mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-mute);}
.article-meta .src{color:var(--ca-red);}
.article h3{font-size:20px;line-height:1.38;margin-top:12px;transition:color .2s var(--ease);}
.article:hover h3{color:var(--ca-red);}
.article p{margin-top:11px;font-size:15.5px;color:var(--ink-2);line-height:1.7;flex:1;}
.article-more{margin-top:18px;display:inline-flex;align-items:center;gap:8px;font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ca-red);}
.article-more .ic{width:15px;height:15px;transition:transform .22s var(--ease);}
.article:hover .article-more .ic{transform:translateX(4px);}

/* featured (wide) article */
.article.feat{grid-column:span 2;flex-direction:row;}
.article.feat .article-cover{aspect-ratio:auto;width:48%;flex:none;}
.article.feat .article-body{padding:34px;justify-content:center;}
.article.feat h3{font-size:clamp(22px,2.4vw,30px);margin-top:14px;}
.article.feat p{font-size:16px;}

/* category filter chips */
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:40px;}
.chip{padding:9px 17px;border-radius:999px;border:1px solid var(--line-strong);background:var(--white);font-size:14.5px;color:var(--ink-2);cursor:pointer;transition:all .2s var(--ease);font-family:var(--f-sans);display:inline-flex;align-items:center;gap:7px;}
.chip:hover{border-color:var(--ink);color:var(--ink);}
.chip[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--paper);}
.chip .n{font-family:var(--f-mono);font-size:11px;opacity:.65;}

/* article detail (prose) */
.article-hero{padding:56px 0 0;}
.article-hero .crumbs{font-family:var(--f-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-mute);display:flex;gap:10px;align-items:center;flex-wrap:wrap;}
.article-hero .crumbs a:hover{color:var(--ca-red);}
.article-hero h1{font-size:clamp(28px,4.2vw,48px);margin-top:22px;max-width:24ch;}
:lang(th) .article-hero h1{line-height:1.28;}
.article-hero .standfirst{font-size:19px;line-height:1.7;color:var(--ink-2);margin-top:22px;max-width:62ch;}
.article-hero .byline{display:flex;align-items:center;gap:14px;margin-top:28px;flex-wrap:wrap;font-size:14.5px;color:var(--ink-mute);}
.article-hero .byline .dot{width:4px;height:4px;border-radius:50%;background:var(--line-strong);}
.article-figure{margin:44px 0 0;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:var(--navy);aspect-ratio:21/9;position:relative;}
.article-figure svg{position:absolute;inset:0;width:100%;height:100%;}

/* article columns: prose + sticky TOC (TOC built by v51.js from h2s) */
.article-cols{display:grid;grid-template-columns:minmax(0,720px);justify-content:center;column-gap:56px;}
.article-toc{display:none;}
@media (min-width:1140px){
  .article-cols{grid-template-columns:minmax(0,720px) 240px;}
  .article-toc{display:block;grid-column:2;grid-row:1;position:sticky;top:calc(var(--nav-h) + 28px);align-self:start;margin-top:64px;border-left:2px solid var(--line);padding-left:22px;}
}
.article-toc .t{font-family:var(--f-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-mute);margin-bottom:12px;}
.article-toc a{display:block;font-size:14px;color:var(--ink-2);padding:7px 0;line-height:1.5;transition:color .2s var(--ease);}
.article-toc a:hover{color:var(--ca-red);}
.article-toc a.on{color:var(--ca-red);font-weight:500;}
.article-cols > .sources,.article-cols > .disclaimer{grid-column:1;max-width:none;}
.article-cols > .sources{margin:48px 0 0;}
.article-cols > .disclaimer{margin:28px 0 0;}

.prose{max-width:720px;margin:0 auto;padding:64px 0 0;font-size:17.5px;line-height:1.85;color:var(--ink-2);}
.prose > * + *{margin-top:24px;}
.prose h2{font-size:clamp(24px,3vw,32px);color:var(--ink);margin-top:48px;}
.prose h3{font-size:21px;color:var(--ink);margin-top:36px;}
.prose p{font-size:17.5px;}
.prose strong{color:var(--ink);font-weight:600;}
.prose a{color:var(--ca-red);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.prose ul,.prose ol{padding-left:1.3em;display:grid;gap:12px;}
.prose li{padding-left:6px;}
.prose li::marker{color:var(--ca-red);}
.prose blockquote{border-left:3px solid var(--ca-red);padding:6px 0 6px 24px;font-family:var(--f-serif);font-size:21px;line-height:1.6;color:var(--ink);}
.callout{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r);padding:24px 26px;display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:start;}
.callout .ic{color:var(--ca-red);width:24px;height:24px;margin-top:2px;}
.callout b{color:var(--ink);}
.callout .src-note{font-family:var(--f-mono);font-size:11.5px;color:var(--ink-mute);margin-top:8px;letter-spacing:.02em;}
.keyfacts{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;}
.keyfacts .kf-head{background:var(--ink);color:#fff;padding:14px 22px;font-family:var(--f-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;}
.keyfacts dl{padding:6px 22px 14px;}
.keyfacts .kf{display:grid;grid-template-columns:200px 1fr;gap:16px;padding:14px 0;border-bottom:1px dashed var(--line);}
.keyfacts .kf:last-child{border-bottom:0;}
.keyfacts dt{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ca-red);}
.keyfacts dd{font-size:15px;color:var(--ink);}
.sources{max-width:720px;margin:48px auto 0;padding:24px 0 0;border-top:1px solid var(--line);}
.sources h4{font-family:var(--f-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-mute);margin-bottom:14px;}
.sources ol{padding-left:1.3em;display:grid;gap:10px;font-size:14.5px;color:var(--ink-2);line-height:1.6;}
.sources a{color:var(--ca-red);text-decoration:underline;text-underline-offset:2px;word-break:break-word;}
.disclaimer{max-width:720px;margin:28px auto 0;font-size:13.5px;color:var(--ink-mute);line-height:1.75;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r);padding:18px 22px;}

/* ============ FAQ ============ */
.faq{max-width:880px;}
.q{border-bottom:1px solid var(--line);}
.q-btn{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px 0;background:none;border:0;cursor:pointer;text-align:left;font-family:var(--f-disp);font-weight:500;font-size:18px;color:var(--ink);transition:color .2s var(--ease);}
.q-btn:hover{color:var(--ca-red);}
.q-btn .ic{color:var(--ca-red);transition:transform .3s var(--ease);flex:none;}
.q[open] .q-btn .ic{transform:rotate(45deg);}
.q-body{overflow:hidden;}
.q-body p{padding:0 40px 24px 0;color:var(--ink-2);font-size:15.5px;line-height:1.75;}

/* ============ CONTACT ============ */
.contact{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:start;}
.contact-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow-sm);}
.contact-map{position:relative;aspect-ratio:16/10;background:
  radial-gradient(circle at 54% 50%, rgba(203,32,39,.08), transparent 40%),
  linear-gradient(135deg,var(--paper-2),var(--white));}
.contact-map .grid-bg{position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:28px 28px;opacity:.6;}
.contact-map .pin{position:absolute;top:50%;left:54%;transform:translate(-50%,-50%);color:var(--ca-red);}
.contact-map .pin .ic{width:32px;height:32px;}
.contact-map .pin::after{content:"";position:absolute;left:50%;top:60%;transform:translateX(-50%);width:14px;height:14px;border-radius:50%;background:rgba(203,32,39,.18);animation:pulse 2.4s var(--ease) infinite;}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(203,32,39,.3);}70%{box-shadow:0 0 0 22px rgba(203,32,39,0);}100%{box-shadow:0 0 0 0 rgba(203,32,39,0);}}
.contact-map .addr{position:absolute;left:18px;bottom:16px;font-size:12px;color:var(--ink-mute);font-family:var(--f-mono);letter-spacing:.02em;}
.contact-rows{padding:26px 30px;}
.contact-rows .row{display:grid;grid-template-columns:40px 1fr;gap:16px;padding:16px 0;border-bottom:1px solid var(--line);align-items:start;}
.contact-rows .row:last-child{border-bottom:0;}
.contact-rows .ic{color:var(--ca-red);margin-top:2px;}
.contact-rows dt{font-family:var(--f-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-mute);}
.contact-rows dd{font-size:15.5px;color:var(--ink);margin-top:3px;line-height:1.5;}
.contact-rows dd .en{display:block;font-family:var(--f-mono);font-size:11.5px;color:var(--ink-mute);margin-top:3px;letter-spacing:.02em;}
.contact-cta{background:var(--navy);color:#fff;border-radius:var(--r);padding:40px;}
.contact-cta h3{color:#fff;font-size:26px;}
.contact-cta p{color:rgba(255,255,255,.7);margin-top:14px;font-size:15px;line-height:1.7;}
.contact-cta .btn{margin-top:26px;}
.contact-mini{margin-top:22px;display:grid;gap:0;}
.contact-mini .m{display:flex;justify-content:space-between;gap:12px;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.14);font-size:14.5px;}
.contact-mini .m:last-child{border-bottom:0;}
.contact-mini .m span{color:rgba(255,255,255,.55);}
.contact-mini .m b{font-weight:500;font-family:var(--f-mono);font-size:12.5px;}

/* form */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field.full{grid-column:1/-1;}
.field label{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-mute);}
.field input,.field select,.field textarea{font-family:var(--f-sans);font-size:15px;color:var(--ink);background:var(--white);border:1px solid var(--line-strong);border-radius:10px;padding:13px 15px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--ca-red);box-shadow:0 0 0 3px var(--ca-red-tint);}
.field textarea{resize:vertical;min-height:120px;}

/* ============ CTA ============ */
.cta{padding:100px 0;background:
  radial-gradient(70% 80% at 80% 0%, rgba(203,32,39,.07), transparent 60%),var(--paper);}
.cta-inner{display:grid;grid-template-columns:1.3fr .9fr;gap:48px;align-items:center;}
.cta h2{font-size:clamp(32px,4.6vw,56px);}
.cta-lead{margin-top:20px;font-size:17px;color:var(--ink-2);line-height:1.75;max-width:560px;}
.cta-actions{display:flex;flex-direction:column;gap:14px;}

/* ============ FOOTER ============ */
.footer{background:var(--navy);color:var(--paper);padding:80px 0 30px;}
.footer-grid{display:grid;grid-template-columns:1.8fr 1fr 1fr 1fr;gap:44px;padding-bottom:54px;border-bottom:1px solid rgba(255,255,255,.14);}
.footer-brand img{width:54px;height:54px;object-fit:contain;}
.footer-brand .nm{font-family:var(--f-serif);font-size:20px;margin-top:16px;line-height:1.35;}
.footer-brand .en{color:rgba(255,255,255,.55);font-size:13px;margin-top:8px;}
.footer h4{font-family:var(--f-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:rgba(255,255,255,.5);margin-bottom:18px;font-weight:500;}
.footer ul{list-style:none;display:grid;gap:9px;}
.footer li{font-size:15px;color:rgba(255,255,255,.8);line-height:1.5;}
.footer li a:hover{color:var(--ca-red);}
.footer-meta{display:flex;justify-content:space-between;align-items:center;padding-top:24px;font-family:var(--f-mono);font-size:11px;color:rgba(255,255,255,.5);letter-spacing:.1em;flex-wrap:wrap;gap:12px;}

/* ============ IMAGE-LED HERO (home only — like v4) ============
   Scoped to .hero.image-led so other page heroes stay light. */
.hero.image-led{background:var(--navy);color:#fff;}
.hero.image-led .hero-grid-lines,.hero.image-led .hero-skyline{display:none;}
.hero-photo{position:absolute;inset:0;z-index:0;
  background-image:
    linear-gradient(180deg, rgba(21,23,28,.38) 0%, rgba(21,23,28,.62) 55%, rgba(21,23,28,.86) 82%, var(--navy) 100%),
    /* Bangkok skyline over the Chao Phraya — Mahanakhon tower + riverside temple.
       Swap with a proprietary/licensed photo when available. */
    url('https://images.unsplash.com/photo-1704872656367-aab145fdee7f?auto=format&fit=crop&w=2400&q=80');
  background-size:cover;background-position:center 55%;
  filter:grayscale(100%) brightness(.58) contrast(1.06);
  transition:filter 1600ms var(--ease);}
.hero.image-led.in-color .hero-photo{filter:grayscale(0%) brightness(.72) contrast(1.02) saturate(.9);}
.hero.image-led .hero-glow{background:radial-gradient(50% 46% at 86% -6%, rgba(203,32,39,.34), transparent 62%);mix-blend-mode:screen;}
.hero.image-led h1{color:#fff;}
.hero.image-led .hl::after{opacity:.4;}
.hero.image-led .hero-lead{color:rgba(255,255,255,.84);}
.hero.image-led .hero-pill{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.24);color:rgba(255,255,255,.88);backdrop-filter:blur(6px);}
.hero.image-led .hero-pill .ic{color:#fff;}
.hero.image-led .hero-trust{color:rgba(255,255,255,.72);}
.hero.image-led .hero-trust b{color:#fff;}
.hero.image-led .hero-trust .dot{background:rgba(255,255,255,.4);}
/* dark-glass registration card */
.hero.image-led .seal{background:linear-gradient(165deg,rgba(34,38,46,.66),rgba(20,22,27,.5));border-color:rgba(255,255,255,.16);box-shadow:0 34px 64px -30px rgba(0,0,0,.7);}
.hero.image-led .seal::before{color:rgba(255,255,255,.55);}
.hero.image-led .seal-mark{border-bottom-color:rgba(255,255,255,.16);}
.hero.image-led .seal-mark .nm{color:#fff;}
.hero.image-led .seal-rows .row{color:rgba(255,255,255,.8);border-bottom-color:rgba(255,255,255,.13);}
.hero.image-led .seal-rows .row b{color:#fff;}
/* light stat strip on dark */
.hero.image-led .statstrip{border-top-color:rgba(255,255,255,.32);}
.hero.image-led .statstrip .st{border-right-color:rgba(255,255,255,.14);}
.hero.image-led .statstrip .k{color:rgba(255,255,255,.6);}
.hero.image-led .statstrip .v{color:#fff;}
.hero.image-led .statstrip .s{color:rgba(255,255,255,.58);}
@media (max-width:1020px){
  .hero.image-led .statstrip .st{border-bottom-color:rgba(255,255,255,.14);}
}
@media (prefers-reduced-motion:reduce){
  .hero-photo{transition:none;}
}

/* ============ REVEAL ANIM ============ */
.js-anim [data-reveal]{opacity:0;transform:translateY(22px);}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .js-anim [data-reveal]{opacity:1!important;transform:none!important;}
  .contact-map .pin::after{animation:none;}
}

/* ============ RESPONSIVE ============ */
@media (max-width:1100px){
  .nav-menu .nav-link span.lbl-long{display:none;}
}
@media (max-width:1020px){
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .grid-3,.why-grid,.creds,.insights-grid{grid-template-columns:repeat(2,1fr);}
  .ind-grid,.metrics{grid-template-columns:repeat(2,1fr);}
  .partner{flex-basis:calc(50% - 10px);}
  .statstrip{grid-template-columns:repeat(2,1fr);gap:0;}
  .statstrip .st{padding-bottom:24px;border-bottom:1px solid var(--line);}
  .article.feat{grid-column:span 2;}
}
@media (max-width:880px){
  .nav-menu,.nav-right .nav-versions,.nav-right .nav-lang{display:none;}
  .nav-burger{display:inline-flex;}
  .nav-right{margin-left:auto;gap:10px;}
}
@media (max-width:760px){
  .wrap{padding:0 22px;}
  .sec{padding:74px 0;}
  .services,.grid-2,.contact,.cta-inner,.form-grid{grid-template-columns:1fr;}
  .grid-3,.why-grid,.creds,.ind-grid,.metrics,.insights-grid{grid-template-columns:1fr;}
  .partner{flex-basis:100%;}
  .why-grid,.ind-grid{border-radius:var(--r);}
  .statstrip{grid-template-columns:1fr 1fr;}
  .metric{border-right:0;border-bottom:1px solid rgba(255,255,255,.13);padding-bottom:24px;}
  .cta-actions{flex-direction:column;}
  .article.feat{grid-column:auto;flex-direction:column;}
  .article.feat .article-cover{width:100%;aspect-ratio:16/9;}
  .keyfacts .kf{grid-template-columns:1fr;gap:4px;}
  .tl-track{flex-direction:column;gap:0;overflow-x:visible;padding-bottom:0;}
  .tl-item{flex:none;width:auto;max-width:100%;border-top:0;border-left:2px solid rgba(255,255,255,.2);padding:6px 0 30px 24px;}
  .tl-item::before{top:6px;left:-7px;}
  .tl-item p{max-width:none;}
  .tl-hint{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px 24px;}
}
@media (max-width:560px){
  .nav-inner{padding:0 16px;gap:10px;}
  .nav-brand{gap:10px;}
  .nav-brand-mark{width:40px;height:40px;}
  .nav-brand-text{font-size:16px;}
  .nav-brand-text small{display:none;}
  .nav-right{gap:8px;}
  .nav-cta{padding:9px 13px;font-size:12.5px;}
  .nav-cta .ic{width:14px;height:14px;}
}
@media (max-width:440px){
  .footer-grid{grid-template-columns:1fr;}
  .statstrip{grid-template-columns:1fr;}
}