/* ============================================================
   POPNIX website — structural corporate redesign.
   Light paper theme, deep ink, single azure accent (brand blue).
   Anuphan (Thai + body) / Space Grotesk (Latin display, labels).
   Radius system: interactive 10px, panels & images 18px.
   Dark ink block is the deliberate close (contact + footer).
   ============================================================ */

:root{
  --paper:#F7F8FA;
  --surface:#FFFFFF;
  --ink:#0E1B2C;
  --ink-2:#42506A;
  --ink-3:#69778F;
  --hairline:rgba(14,27,44,.10);
  --hairline-strong:rgba(14,27,44,.18);
  --accent:#1355C9;
  --accent-deep:#0E419C;
  --accent-soft:rgba(19,85,201,.07);
  --dark:#0A1626;
  --dark-2:#101F35;
  --dark-text:#E9EEF7;
  --dark-muted:#94A3BC;
  --dark-hairline:rgba(233,238,247,.13);
  --accent-light:#7DB1F5;
  --font:'Anuphan',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-display:'Space Grotesk','Anuphan',system-ui,sans-serif;
  --ease:cubic-bezier(.16,1,.3,1);
  --maxw:1200px;
  --pad-x:clamp(20px,4vw,40px);
  --r-ui:10px;
  --r-panel:18px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-2);
  font-family:var(--font);
  font-size:1rem;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
::selection{background:rgba(19,85,201,.16);color:var(--ink);}
img{max-width:100%;display:block;}
a{color:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px;}

/* ---------- load + scroll reveal ---------- */
@keyframes pnxReveal{from{opacity:0;transform:translateY(20px);}to{opacity:1;transform:translateY(0);}}
.pnx-js .pnx-rise{opacity:0;animation:pnxReveal .8s var(--ease) forwards;}
.pnx-js .pnx-rise-1{animation-delay:.08s;}
.pnx-js .pnx-rise-2{animation-delay:.16s;}
.pnx-js .pnx-rise-3{animation-delay:.24s;}

.pnx-js [data-reveal]{
  opacity:0;transform:translateY(18px);
  transition:opacity .7s var(--ease),transform .7s var(--ease);
  transition-delay:calc(var(--d,0)*80ms);
}
.pnx-js [data-reveal].is-in{opacity:1;transform:none;}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .pnx-js .pnx-rise{animation:none;opacity:1;}
  .pnx-js [data-reveal]{opacity:1;transform:none;transition:none;}
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
}

/* ---------- shared ---------- */
.pnx-section{position:relative;max-width:var(--maxw);margin:0 auto;padding:clamp(72px,9vw,120px) var(--pad-x);}
.pnx-band{background:var(--surface);border-top:1px solid var(--hairline);border-bottom:1px solid var(--hairline);}
.pnx-h2{
  font-size:clamp(1.85rem,3.2vw,2.55rem);
  line-height:1.35;
  font-weight:700;
  color:var(--ink);
  letter-spacing:-.01em;
  margin:0;
  text-wrap:balance;
}
.pnx-sec-head{max-width:680px;margin-bottom:clamp(44px,5vw,64px);}
.pnx-sub{font-size:1.05rem;line-height:1.8;color:var(--ink-3);margin:18px 0 0;}
.pnx-body{font-size:1.05rem;line-height:1.9;color:var(--ink-2);margin:0 0 22px;}
.pnx-body:last-child{margin-bottom:0;}
.pnx-eyebrow{
  font-family:var(--font-display);
  font-size:.72rem;
  font-weight:600;
  letter-spacing:.18em;
  color:var(--accent);
  margin:0 0 20px;
}
.pnx-accent{color:var(--accent);}

/* ---------- buttons & links ---------- */
.pnx-btn{
  display:inline-block;
  border-radius:var(--r-ui);
  text-decoration:none;
  font-weight:600;
  font-size:1rem;
  padding:14px 28px;
  transition:background-color .25s var(--ease),box-shadow .25s var(--ease),transform .25s var(--ease);
}
.pnx-btn-primary{
  background:var(--accent);
  color:#fff;
  box-shadow:0 8px 22px rgba(19,85,201,.22);
}
.pnx-btn-primary:hover{background:var(--accent-deep);transform:translateY(-1px);box-shadow:0 12px 28px rgba(19,85,201,.28);}
.pnx-btn-primary:active{transform:translateY(0) scale(.985);}
.pnx-btn-sm{padding:10px 20px;font-size:.92rem;}

.pnx-link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:600;font-size:1rem;color:var(--accent);
  text-decoration:none;padding:14px 4px;
}
.pnx-link-arrow .pnx-arrow{display:inline-block;transition:transform .3s var(--ease);}
.pnx-link-arrow:hover span:first-child{text-decoration:underline;text-underline-offset:5px;}
.pnx-link-arrow:hover .pnx-arrow{transform:translateX(4px);}

/* ---------- header ---------- */
.pnx-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,248,250,.88);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--hairline);
}
.pnx-header-inner{
  max-width:var(--maxw);margin:0 auto;padding:0 var(--pad-x);
  height:70px;display:flex;align-items:center;justify-content:space-between;gap:18px;
}
.pnx-logo{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0;}
.pnx-logo img{display:block;height:33px;width:auto;}
.pnx-wordmark{font-family:var(--font-display);font-size:1.3rem;font-weight:700;letter-spacing:.02em;color:var(--ink);}
.pnx-wordmark span{color:var(--accent);}
.pnx-wordmark-sm{font-size:1.16rem;}

.pnx-nav{display:flex;align-items:center;gap:32px;font-size:.96rem;}
.pnx-nav a{color:var(--ink-2);text-decoration:none;font-weight:500;transition:color .2s ease;}
.pnx-nav a:hover{color:var(--ink);}
.pnx-actions{display:flex;align-items:center;gap:14px;}
.pnx-actions-mobile{display:none;align-items:center;gap:12px;}

.pnx-lang{display:flex;border:1px solid var(--hairline-strong);border-radius:var(--r-ui);overflow:hidden;font-size:.8rem;}
.pnx-lang button{
  padding:7px 12px;border:none;cursor:pointer;background:transparent;
  color:var(--ink-3);font-family:var(--font-display);font-weight:600;font-size:inherit;
  transition:background-color .2s ease,color .2s ease;
}
.pnx-lang button.is-active{background:var(--ink);color:var(--paper);}

.pnx-burger{
  width:42px;height:42px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  background:transparent;border:1px solid var(--hairline-strong);border-radius:var(--r-ui);cursor:pointer;
}
.pnx-burger span{width:18px;height:2px;background:var(--ink);display:block;transition:transform .25s var(--ease),opacity .2s ease;}
.pnx-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.pnx-burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.pnx-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.pnx-mobile-menu{
  display:none;border-top:1px solid var(--hairline);background:var(--surface);
  padding:14px var(--pad-x) 24px;flex-direction:column;gap:4px;
}
.pnx-mobile-menu.is-open{display:flex;}
.pnx-mobile-menu a{color:var(--ink);text-decoration:none;font-weight:500;padding:13px 4px;border-bottom:1px solid var(--hairline);}
.pnx-mobile-menu a:last-child{border-bottom:none;}
.pnx-mobile-cta{margin-top:12px;text-align:center;padding:13px;border-bottom:none;color:#fff !important;}

@media (max-width:879px){
  .pnx-nav,.pnx-actions{display:none;}
  .pnx-actions-mobile{display:flex;}
}
@media (min-width:880px){
  .pnx-mobile-menu{display:none !important;}
}

/* ---------- hero ---------- */
.pnx-hero-inner{
  max-width:var(--maxw);margin:0 auto;
  padding:clamp(48px,6vw,88px) var(--pad-x) clamp(56px,7vw,96px);
  display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:clamp(40px,5vw,72px);align-items:center;
}
.pnx-hero-title{
  font-size:clamp(2.35rem,4.6vw,3.7rem);
  line-height:1.24;
  font-weight:700;
  color:var(--ink);
  letter-spacing:-.015em;
  margin:0 0 22px;
  text-wrap:balance;
}
html[lang="en"] .pnx-hero-title{font-size:clamp(2.1rem,3.9vw,3.05rem);line-height:1.16;}
.pnx-hero-sub{font-size:clamp(1.02rem,1.4vw,1.14rem);line-height:1.8;color:var(--ink-3);max-width:520px;margin:0 0 34px;}
.pnx-hero-cta{display:flex;flex-wrap:wrap;align-items:center;gap:20px;}

.pnx-hero-visual{
  position:relative;margin:0;
  border-radius:var(--r-panel);
  overflow:hidden;
  box-shadow:0 24px 64px rgba(14,27,44,.16);
  aspect-ratio:4/5;
  max-height:560px;
}
.pnx-hero-visual img{width:100%;height:100%;object-fit:cover;filter:saturate(.82);}
.pnx-hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(165deg,rgba(16,42,89,.32),rgba(10,22,38,.06) 60%);
  mix-blend-mode:multiply;
  border-radius:inherit;
  pointer-events:none;
}
.pnx-hero-visual::before{
  content:"";position:absolute;inset:0;z-index:1;
  border-radius:inherit;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.14);
  pointer-events:none;
}

/* ---------- stats strip ---------- */
.pnx-stats{border-top:1px solid var(--hairline);border-bottom:1px solid var(--hairline);background:var(--surface);}
.pnx-stats-inner{
  max-width:var(--maxw);margin:0 auto;padding:0 var(--pad-x);
  display:grid;grid-template-columns:repeat(4,1fr);
}
.pnx-stat{padding:clamp(28px,3.5vw,40px) clamp(18px,2.5vw,32px);border-left:1px solid var(--hairline);}
.pnx-stat:first-child{border-left:none;padding-left:0;}
.pnx-stat-v{
  font-family:var(--font-display);
  font-size:clamp(1.9rem,3.4vw,2.6rem);
  font-weight:700;line-height:1.1;color:var(--ink);
  font-variant-numeric:tabular-nums;
}
.pnx-stat-l{margin-top:8px;color:var(--ink-3);font-size:.9rem;}

/* ---------- about ---------- */
.pnx-about-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(36px,5vw,72px);align-items:start;}
.pnx-about-photo{
  margin:clamp(48px,6vw,72px) 0 0;
  border-radius:var(--r-panel);overflow:hidden;
  border:1px solid var(--hairline);
}
.pnx-about-photo img{width:100%;aspect-ratio:21/8;object-fit:cover;}

/* ---------- services (editorial index rows) ---------- */
.pnx-svc-list{border-bottom:1px solid var(--hairline);}
.pnx-svc-row{
  display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);
  gap:clamp(16px,3vw,48px);
  padding:clamp(26px,3.4vw,38px) 0;
  border-top:1px solid var(--hairline);
}
.pnx-svc-title{
  font-size:clamp(1.18rem,1.8vw,1.4rem);
  font-weight:600;line-height:1.5;color:var(--ink);margin:0;
  transition:color .3s var(--ease),transform .3s var(--ease);
}
.pnx-svc-row:hover .pnx-svc-title{color:var(--accent);transform:translateX(6px);}
.pnx-svc-desc{font-size:.99rem;line-height:1.8;color:var(--ink-3);margin:0;max-width:60ch;}

/* ---------- clients ---------- */
.pnx-clients-group{margin-bottom:clamp(48px,6vw,64px);}
.pnx-clients-group:last-child{margin-bottom:0;}
.pnx-group-head{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;margin-bottom:26px;}
.pnx-group-title{font-size:1.28rem;font-weight:700;margin:0;color:var(--ink);}
.pnx-group-sub{color:var(--ink-3);font-size:.94rem;}

.pnx-gov-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:1px;background:var(--hairline);
  border:1px solid var(--hairline);
  border-radius:var(--r-panel);overflow:hidden;
}
.pnx-gov{
  background:var(--surface);
  padding:clamp(28px,3vw,38px) 24px;
  display:flex;flex-direction:column;align-items:center;text-align:center;gap:18px;
  transition:background-color .3s var(--ease);
}
.pnx-gov:hover{background:var(--paper);}
.pnx-gov img{height:74px;width:auto;}
.pnx-gov-name{font-size:.95rem;font-weight:600;color:var(--ink);line-height:1.55;max-width:30ch;}

.pnx-priv-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4vw,48px);}
.pnx-priv{border-top:2px solid var(--ink);padding-top:22px;}
.pnx-priv-name{font-family:var(--font-display);font-size:1.12rem;font-weight:600;margin:0 0 12px;color:var(--ink);}
.pnx-priv-desc{font-size:.98rem;line-height:1.8;color:var(--ink-3);margin:0;}

/* ---------- why us ---------- */
.pnx-why-h2{margin-bottom:clamp(44px,5vw,60px);max-width:640px;}
.pnx-why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(28px,3.5vw,44px);}
.pnx-tick{display:block;width:28px;height:3px;border-radius:2px;background:var(--accent);margin-bottom:18px;}
.pnx-why-title{font-size:1.08rem;font-weight:700;margin:0 0 10px;color:var(--ink);line-height:1.5;}
.pnx-why-desc{font-size:.95rem;line-height:1.75;color:var(--ink-3);margin:0;}

/* ---------- contact (dark close) ---------- */
.pnx-contact{background:var(--dark);color:var(--dark-muted);}
.pnx-contact .pnx-h2{color:#fff;}
.pnx-contact-grid{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:clamp(40px,6vw,80px);align-items:start;}
.pnx-contact-sub{color:var(--dark-muted);margin-bottom:40px;max-width:440px;}
.pnx-addr-label{font-size:.92rem;font-weight:600;color:var(--dark-text);margin-bottom:6px;}
.pnx-addr-text{font-size:.98rem;line-height:1.75;color:var(--dark-muted);max-width:40ch;}

.pnx-channels{display:flex;flex-direction:column;gap:14px;}
.pnx-channels-label{font-size:.92rem;font-weight:600;color:var(--dark-text);margin-bottom:6px;}
.pnx-channel{
  display:flex;align-items:center;gap:16px;
  padding:18px 20px;
  border-radius:var(--r-panel);
  background:var(--dark-2);
  border:1px solid var(--dark-hairline);
  text-decoration:none;
  transition:border-color .3s var(--ease),transform .3s var(--ease),background-color .3s var(--ease);
}
.pnx-channel:hover{border-color:rgba(125,177,245,.45);transform:translateY(-2px);background:#12233C;}
.pnx-channel:active{transform:translateY(0) scale(.99);}
.pnx-channel-icon{
  width:44px;height:44px;border-radius:var(--r-ui);flex-shrink:0;
  background:rgba(125,177,245,.1);
  display:flex;align-items:center;justify-content:center;color:var(--accent-light);
}
.pnx-channel-title{display:block;font-family:var(--font-display);font-size:.68rem;font-weight:600;letter-spacing:.12em;color:var(--dark-muted);margin-bottom:4px;}
.pnx-channel-val{display:block;font-size:1.05rem;font-weight:600;color:var(--dark-text);}
.pnx-line-icon{background:#06C755;color:#fff;}

/* ---------- footer ---------- */
.pnx-footer{background:var(--dark);border-top:1px solid var(--dark-hairline);color:var(--dark-muted);}
.pnx-footer-inner{max-width:var(--maxw);margin:0 auto;padding:clamp(44px,6vw,64px) var(--pad-x);}
.pnx-footer-top{display:flex;flex-wrap:wrap;gap:40px;justify-content:space-between;align-items:flex-start;}
.pnx-footer-brand{max-width:360px;}
.pnx-footer-brand .pnx-logo{margin-bottom:16px;}
.pnx-footer-brand .pnx-wordmark{color:var(--dark-text);}
.pnx-footer-tag{font-size:.94rem;line-height:1.75;color:var(--dark-muted);margin:0;}
.pnx-footer-cols{display:flex;gap:clamp(40px,6vw,80px);flex-wrap:wrap;}
.pnx-footer-col{display:flex;flex-direction:column;gap:12px;}
.pnx-footer-h{font-family:var(--font-display);font-size:.7rem;font-weight:600;letter-spacing:.14em;color:var(--accent-light);margin-bottom:4px;}
.pnx-footer-col a{color:var(--dark-muted);text-decoration:none;font-size:.94rem;transition:color .2s ease;}
.pnx-footer-col a:hover{color:#fff;}
.pnx-footer-col span{color:var(--dark-muted);font-size:.94rem;}
.pnx-footer-bottom{
  margin-top:44px;padding-top:24px;border-top:1px solid var(--dark-hairline);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  color:#5E6D85;font-size:.85rem;
}

/* ---------- responsive collapse ---------- */
@media (max-width:980px){
  .pnx-hero-inner{grid-template-columns:1fr;gap:40px;}
  .pnx-hero-visual{aspect-ratio:16/10;max-height:none;}
  .pnx-about-grid{grid-template-columns:1fr;gap:24px;}
  .pnx-contact-grid{grid-template-columns:1fr;gap:48px;}
  .pnx-why-grid{grid-template-columns:1fr 1fr;}
  .pnx-gov-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:720px){
  .pnx-stats-inner{grid-template-columns:1fr 1fr;}
  .pnx-stat{padding-left:0;border-left:none;}
  .pnx-stat:nth-child(even){padding-left:24px;border-left:1px solid var(--hairline);}
  .pnx-svc-row{grid-template-columns:1fr;gap:10px;}
  .pnx-svc-row:hover .pnx-svc-title{transform:none;}
  .pnx-priv-grid{grid-template-columns:1fr;}
}
@media (max-width:560px){
  .pnx-gov-grid{grid-template-columns:1fr;}
  .pnx-why-grid{grid-template-columns:1fr;}
  .pnx-hero-cta{gap:8px;}
}