/* ============================================================
   ATAS — Ascertain Tech Automation & Solutions Sdn Bhd
   Design system: "Drawing Sheet"  ·  Solve.Innovate.Integrate.
   Palette from logo: white · periwinkle #D7E7F6 · aqua #ADEFEE
   bright cyan #60E7ED · ink black
   Type: Zilla Slab (slab display, echoes TAS letterforms)
         IBM Plex Mono (utility, echoes logo tagline)
         Archivo (body)
   ============================================================ */

:root{
  /* logo palette */
  --paper:#FFFFFF;
  --paper-soft:#F4FAFC;
  --ink:#0C1418;
  --cyan:#0B8FA0;            /* darkened #60E7ED for legible strokes/text */
  --cyan-bright:#60E7ED;
  --cyan-tint:rgba(96,231,237,.18);
  --aqua:#ADEFEE;
  --peri:#D7E7F6;
  --peri-tint:rgba(215,231,246,.55);

  --line:#D9E6EC;
  --line-soft:#E8F1F5;
  --grid:rgba(15,169,189,.06);

  --text:#0C1418;
  --text-mute:#54707D;
  --text-dim:#86A4B0;

  /* legacy aliases (used by inline SVG schematic) */
  --process:var(--cyan);
  --process-soft:var(--cyan-tint);
  --flare:var(--ink);
  --flare-soft:var(--peri-tint);
  --ink-deep:#FFFFFF;
  --ink-panel:var(--paper-soft);
  --ink-raised:#FFFFFF;

  --display:'Zilla Slab',serif;
  --body:'Archivo',sans-serif;
  --mono:'IBM Plex Mono',monospace;

  --container:1140px;
  --radius:6px;
  --ease:cubic-bezier(.22,.8,.3,1);
  --shadow:0 14px 34px rgba(12,20,24,.10);
  --shadow-lg:0 24px 56px rgba(12,20,24,.14);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--paper);
  color:var(--text);
  font-family:var(--body);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
body::before{ /* drawing-sheet graph grid */
  content:"";
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(var(--grid) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:44px 44px;
}
main,header,footer{position:relative;z-index:1}

img{max-width:100%;display:block}
a{color:var(--cyan);text-decoration:none}
a:hover{text-decoration:underline}
a:focus-visible,button:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:2px}

.container{max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- type scale ---------- */
h1,h2,h3{font-family:var(--display);font-weight:600;line-height:1.08;letter-spacing:.2px}
h1{font-size:clamp(2.4rem,5.2vw,3.9rem)}
h2{font-size:clamp(1.8rem,3.2vw,2.55rem)}
h3{font-size:1.3rem}
.lead{font-size:1.16rem;color:var(--text-mute);max-width:58ch}

/* instrument-tag eyebrow: mono chip, drawing-callout style */
.tag{
  display:inline-flex;align-items:center;gap:.55em;
  font-family:var(--mono);font-size:.73rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--ink);
  border:1px solid var(--cyan);border-radius:3px;
  padding:.38em .85em;margin-bottom:1.1rem;
  background:var(--cyan-tint);
}
.tag::before{content:"";width:7px;height:8px;flex:none;
  background:var(--cyan);
  clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%)} /* hexagon bullet */
.tag.amber{border-color:var(--ink);background:var(--peri-tint)}
.tag.amber::before{background:var(--ink)}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand{display:flex;align-items:center;gap:14px;color:var(--text)}
.brand:hover{text-decoration:none}
.brand-logo{height:44px;width:auto}
.brand-name{font-family:var(--display);font-size:.98rem;font-weight:600;
  letter-spacing:.4px;line-height:1.18}
.brand-name small{display:block;font-family:var(--mono);font-size:.58rem;
  font-weight:400;letter-spacing:.14em;color:var(--text-dim);text-transform:uppercase}

.nav-links{display:flex;gap:4px;list-style:none}
.nav-links a{
  font-family:var(--mono);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--text-mute);padding:.6em .8em;border-radius:4px;
  position:relative;transition:color .25s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:.8em;right:.8em;bottom:.32em;height:2px;
  background:var(--cyan-bright);transform:scaleX(0);transform-origin:left;
  transition:transform .3s var(--ease);
}
.nav-links a:hover{color:var(--ink);text-decoration:none}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a[aria-current="page"]{color:var(--ink)}
.nav-links a[aria-current="page"]::after{transform:scaleX(1);background:var(--cyan)}

.nav-toggle{display:none;background:none;border:1px solid var(--line);
  color:var(--ink);border-radius:4px;padding:.5em .7em;font-family:var(--mono);
  font-size:.8rem;cursor:pointer;letter-spacing:.1em}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.6em;
  font-family:var(--mono);font-size:.84rem;letter-spacing:.1em;text-transform:uppercase;
  padding:.95em 1.7em;border-radius:4px;border:1px solid transparent;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),
             background .25s,color .25s,border-color .25s;
  cursor:pointer;
}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn-primary{background:var(--ink);color:#fff;font-weight:500}
.btn-primary:hover{box-shadow:0 10px 26px rgba(15,169,189,.35);background:#15252D}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan);
  box-shadow:0 8px 22px rgba(96,231,237,.3)}

/* ---------- hero (home) ---------- */
.hero{padding:84px 0 64px;position:relative;overflow:hidden}
.hero .container{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;
  align-items:center;position:relative;z-index:1}
.hero h1{margin:0 0 .5em}
.hero h1 .accent{color:var(--cyan)}
.hero .lead{margin-bottom:2rem}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-caps{margin-top:2.4rem;display:flex;flex-wrap:wrap;gap:8px}
.hero-caps span{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--text-mute);border:1px solid var(--line);border-radius:3px;
  padding:.4em .75em;background:rgba(255,255,255,.7);
}

/* hexagon field — logo geometry, drifting gently */
.hex-field{position:absolute;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.hex{position:absolute;
  clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%);
  animation:drift 14s var(--ease) infinite alternate}
.hex.h1{width:340px;height:380px;background:var(--peri);opacity:.5;
  top:-140px;left:-90px}
.hex.h2{width:230px;height:260px;background:var(--cyan-bright);opacity:.28;
  top:60px;left:130px;animation-delay:-5s;animation-duration:18s}
.hex.h3{width:170px;height:190px;background:var(--aqua);opacity:.4;
  bottom:-70px;right:-40px;animation-delay:-9s;animation-duration:16s}
@keyframes drift{
  from{transform:translate(0,0) rotate(0deg)}
  to{transform:translate(16px,-14px) rotate(4deg)}
}

/* schematic panel — drawing sheet with title block */
.schematic-panel{
  background:#fff;
  border:1.5px solid var(--ink);border-radius:4px;
  outline:1px solid var(--line);outline-offset:5px;  /* double sheet border */
  padding:16px 16px 12px;
  box-shadow:var(--shadow-lg);
}
.schematic-head{
  display:flex;justify-content:space-between;align-items:center;gap:10px;
  font-family:var(--mono);font-size:.66rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--text-mute);
  border-bottom:1.5px solid var(--ink);padding-bottom:10px;margin-bottom:8px;
}
.schematic-head .live{color:var(--cyan)}
.schematic-head .live::before{content:"●";margin-right:.5em;animation:blink 2.2s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}

/* telemetry strip styled like title-block cells */
.telemetry{
  display:grid;grid-template-columns:repeat(3,1fr);
  border-top:1.5px solid var(--ink);margin-top:6px;
}
.telemetry .cell{font-family:var(--mono);padding:10px 12px 6px;
  border-right:1px solid var(--line)}
.telemetry .cell:last-child{border-right:0}
.telemetry .cell .k{font-size:.6rem;letter-spacing:.12em;color:var(--text-dim);
  text-transform:uppercase;display:block}
.telemetry .cell .v{font-size:1.05rem;color:var(--ink)}

/* SVG flow animation */
.flow-line{stroke-dasharray:7 9;animation:flow 1.6s linear infinite}
.flow-line.slow{animation-duration:2.6s}
@keyframes flow{to{stroke-dashoffset:-32}}
.node-pulse{animation:pulse 2.8s var(--ease) infinite}
@keyframes pulse{0%,100%{opacity:.6}50%{opacity:1}}

/* ---------- page hero (inner pages) ---------- */
.page-hero{padding:60px 0 36px;border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,var(--paper-soft) 0%,rgba(244,250,252,0) 100%)}
.page-hero .crumb{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--text-dim);margin-bottom:1rem}
.page-hero .crumb a{color:var(--text-dim)}
.page-hero .crumb a:hover{color:var(--cyan)}
.page-hero h1{max-width:22ch}
.page-hero .lead{margin-top:1rem}

/* ---------- sections ---------- */
section{padding:72px 0}
.section-head{margin-bottom:2.6rem;max-width:62ch}
.section-head p{color:var(--text-mute);margin-top:.8rem}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}

/* ---------- cards ---------- */
.card{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;
  transition:transform .35s var(--ease),border-color .35s,box-shadow .35s;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-5px);border-color:var(--ink);box-shadow:var(--shadow)}
.card.cyan:hover{border-color:var(--cyan)}
.card img{height:190px;width:100%;object-fit:cover}
.card-body{padding:24px 22px 26px;flex:1}
.card-body h3{margin-bottom:.55em}
.card-body p{color:var(--text-mute);font-size:.97rem}
.card .ref{
  font-family:var(--mono);font-size:.64rem;letter-spacing:.14em;
  color:var(--cyan);text-transform:uppercase;display:block;margin-bottom:.7em;
}

/* spec cards (O&G scope lists) */
.spec{
  background:#fff;border:1px solid var(--line);border-left:3px solid var(--ink);
  border-radius:var(--radius);padding:26px 24px;
  transition:transform .35s var(--ease),box-shadow .35s,border-color .35s;
}
.spec:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-left-color:var(--cyan)}
.spec h3{margin-bottom:.8em}
.spec ol{margin-left:1.2em;color:var(--text-mute);font-size:.96rem}
.spec ol li{padding:.22em 0}
.spec ol li::marker{font-family:var(--mono);color:var(--cyan);font-size:.85em}
.spec.plain{display:flex;align-items:center;background:var(--paper-soft)}
.spec.plain h3{margin:0}

/* team */
.person{background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:28px 24px;
  transition:transform .35s var(--ease),border-color .35s,box-shadow .35s}
.person:hover{transform:translateY(-4px);border-color:var(--cyan);box-shadow:var(--shadow)}
.avatar{
  width:62px;height:70px;
  clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%); /* hexagon, logo motif */
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-weight:600;font-size:1rem;letter-spacing:.04em;
  color:var(--ink);background:linear-gradient(135deg,var(--cyan-bright),var(--aqua));
  margin-bottom:1.1rem;
}
.person.amber .avatar{background:linear-gradient(135deg,var(--peri),#B9D2EE)}
.person h3{font-size:1.18rem}
.person .role{font-family:var(--mono);font-size:.66rem;letter-spacing:.13em;
  text-transform:uppercase;color:var(--cyan);display:block;margin:.35em 0 .9em}
.person p{color:var(--text-mute);font-size:.94rem}

/* about intro */
.about-intro{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.about-intro .photo{border:1.5px solid var(--ink);border-radius:4px;
  outline:1px solid var(--line);outline-offset:5px;
  overflow:hidden;box-shadow:var(--shadow-lg)}
.about-intro .photo img{width:100%;height:auto}
.about-intro p{color:var(--text-mute);margin-top:1rem}

/* faq */
.faq-card{display:grid;grid-template-columns:200px 1fr;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:transform .35s var(--ease),border-color .35s,box-shadow .35s}
.faq-card:hover{transform:translateX(6px);border-color:var(--cyan);box-shadow:var(--shadow)}
.faq-card img{width:100%;height:100%;object-fit:cover;min-height:170px}
.faq-list{display:grid;gap:20px;max-width:880px}

/* contact */
.contact-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:start}
.panel{background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:30px 28px;box-shadow:0 6px 18px rgba(12,20,24,.05)}
.panel + .panel{margin-top:22px}
.panel h3{margin-bottom:1rem}
.field{margin-bottom:18px}
.field label{display:block;font-family:var(--mono);font-size:.68rem;
  letter-spacing:.14em;text-transform:uppercase;color:var(--text-mute);margin-bottom:.5em}
.field input,.field textarea{
  width:100%;background:var(--paper-soft);border:1px solid var(--line);
  border-radius:4px;padding:.85em 1em;color:var(--ink);
  font-family:var(--body);font-size:1rem;
  transition:border-color .25s,box-shadow .25s;
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--cyan);
  box-shadow:0 0 0 3px var(--cyan-tint)}
.fineprint{font-size:.8rem;color:var(--text-dim);margin-top:1rem}
.fineprint a{color:var(--text-mute)}
.contact-line{display:flex;gap:.7em;align-items:baseline;color:var(--text-mute);
  padding:.35em 0}
.contact-line .k{font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--text-dim);min-width:64px}
.hours-row{display:flex;justify-content:space-between;font-family:var(--mono);
  font-size:.85rem;color:var(--text-mute);border-bottom:1px dashed var(--line);
  padding:.6em 0}
.hours-row .open{color:var(--cyan);font-weight:600}

/* blog empty state */
.empty{
  border:1.5px dashed var(--cyan);border-radius:var(--radius);
  padding:64px 28px;text-align:center;background:var(--paper-soft);
}
.empty .mono{font-family:var(--mono);font-size:.76rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--text-dim);display:block;margin-bottom:1rem}
.empty p{color:var(--text-mute);max-width:46ch;margin:0 auto 1.6rem}

/* CTA band — periwinkle/aqua wash from the logo hexes */
.cta-band{
  background:linear-gradient(115deg,var(--peri-tint) 0%,var(--cyan-tint) 100%);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  text-align:center;position:relative;overflow:hidden;
}
.cta-band::before{content:"";position:absolute;right:-70px;top:-60px;
  width:240px;height:270px;background:var(--cyan-bright);opacity:.18;
  clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%)}
.cta-band .container{position:relative}
.cta-band .lead{margin:0 auto 1.8rem}

/* ---------- footer: ink title block ---------- */
.site-footer{background:var(--ink);color:#D8E5EB;
  padding:44px 0 30px;margin-top:48px}
.footer-grid{display:flex;justify-content:space-between;gap:28px;flex-wrap:wrap;
  align-items:center}
.footer-brand{display:flex;align-items:center;gap:16px}
.footer-logo-plate{background:#fff;border-radius:4px;padding:8px 12px;display:inline-flex}
.footer-logo-plate img{height:38px;width:auto}
.site-footer .brand-name{color:#fff;font-size:.95rem}
.site-footer .brand-name small{color:#7E99A6}
.footer-social .tag{color:var(--cyan-bright);border-color:rgba(96,231,237,.5);
  background:rgba(96,231,237,.08)}
.footer-social .tag::before{background:var(--cyan-bright)}
.footer-social a{font-family:var(--mono);font-size:.8rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--cyan-bright)}
.footer-meta{font-family:var(--mono);font-size:.68rem;letter-spacing:.08em;
  color:#7E99A6;margin-top:26px;border-top:1px solid rgba(216,229,235,.18);
  padding-top:18px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* ---------- scroll reveal ---------- */
.reveal{opacity:0;transform:translateY(22px);
  transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal[data-delay="1"]{transition-delay:.1s}
.reveal[data-delay="2"]{transition-delay:.2s}
.reveal[data-delay="3"]{transition-delay:.3s}

/* ---------- responsive ---------- */
@media (max-width:960px){
  .hero .container,.about-intro,.contact-grid{grid-template-columns:1fr;gap:36px}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .brand-name{display:none}
  .footer-brand .brand-name{display:block}
  .nav-links{
    display:none;position:absolute;top:76px;left:0;right:0;
    flex-direction:column;background:#fff;
    border-bottom:1px solid var(--line);padding:12px 20px 20px;gap:2px;
    box-shadow:var(--shadow);
  }
  .nav-links.open{display:flex}
  .nav-toggle{display:block}
}
@media (max-width:620px){
  .grid-3,.grid-4,.grid-2{grid-template-columns:1fr}
  .faq-card{grid-template-columns:1fr}
  .faq-card img{max-height:180px}
  section{padding:52px 0}
  .telemetry .cell .v{font-size:.88rem}
  .hex.h2{display:none}
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ============================================================
   v3 additions: RFID schematic animation · blog · hours
   ============================================================ */

/* RFID inventory animation */
.rfid-box{animation:belt 7.5s linear infinite}
.rfid-box.b2{animation-delay:-2.5s}
.rfid-box.b3{animation-delay:-5s}
@keyframes belt{
  from{transform:translateX(-70px)}
  to{transform:translateX(580px)}
}
.rfid-wave{transform-box:fill-box;transform-origin:center;
  animation:wave 2.4s ease-out infinite;opacity:0}
.rfid-wave.w2{animation-delay:.8s}
.rfid-wave.w3{animation-delay:1.6s}
@keyframes wave{
  0%{transform:scale(.35);opacity:.95}
  100%{transform:scale(1.55);opacity:0}
}

/* blog listing */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card .card-body{display:flex;flex-direction:column;gap:.15rem}
.post-card h3{font-size:1.16rem;line-height:1.25}
.post-card p{flex:1;margin-top:.45rem}
.post-date{font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--text-dim);margin-top:1rem;
  border-top:1px dashed var(--line);padding-top:.8rem;
  display:flex;justify-content:space-between;align-items:center}
.post-date .more{color:var(--cyan);font-weight:500}
.post-card:hover .more{text-decoration:underline}
@media (max-width:960px){.post-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:620px){.post-grid{grid-template-columns:1fr}}

/* article pages */
.post-meta{font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--text-dim);margin-top:1.1rem;
  display:flex;gap:1.6em;flex-wrap:wrap}
.article{max-width:780px;margin:0 auto}
.article p{margin:1.05em 0;color:#33464F}
.article h2{margin:1.9em 0 .6em;font-size:1.55rem}
.article ul,.article ol{margin:1em 0 1em 1.4em;color:#33464F}
.article li{padding:.22em 0}
.article ul li::marker{color:var(--cyan)}
.article ol li::marker{font-family:var(--mono);color:var(--cyan);font-size:.85em}
.article .callout{border-left:3px solid var(--cyan);background:var(--paper-soft);
  border-radius:0 4px 4px 0;padding:1em 1.3em;margin:1.4em 0;color:#33464F}
.post-back{max-width:780px;margin:3rem auto 0;display:flex;gap:14px;flex-wrap:wrap}

/* per-day hours */
.hours-row .day{color:var(--text-mute)}
.hours-row .closed{color:var(--text-dim)}
.hours-row.today .day,.hours-row.today .time{color:var(--ink);font-weight:600}
.hours-row.today .day::after{content:" · Today";color:var(--cyan)}

/* ============================================================
   v4 addition: floating WhatsApp button
   ============================================================ */
.wa-float{
  position:fixed;right:22px;bottom:22px;z-index:80;
  width:58px;height:58px;border-radius:50%;
  background:#25D366;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 26px rgba(37,211,102,.45);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.wa-float svg{width:30px;height:30px;fill:#fff}
.wa-float:hover{transform:translateY(-3px) scale(1.06);text-decoration:none;
  box-shadow:0 14px 32px rgba(37,211,102,.55)}
.wa-float::before{ /* sonar ring, echoes the RFID read waves */
  content:"";position:absolute;inset:0;border-radius:50%;
  border:2px solid #25D366;
  animation:wa-pulse 2.6s ease-out infinite;
}
@keyframes wa-pulse{
  0%{transform:scale(1);opacity:.8}
  100%{transform:scale(1.6);opacity:0}
}
@media (max-width:620px){
  .wa-float{right:16px;bottom:16px;width:52px;height:52px}
  .wa-float svg{width:27px;height:27px}
}

/* ============================================================
   v5 addition: per-post animated header bands (blog listing)
   ============================================================ */
.post-card{position:relative}
.post-anim{
  height:128px;width:100%;
  background:
    linear-gradient(180deg,var(--paper-soft),#fff),
    var(--paper-soft);
  border-bottom:1px solid var(--line);
  position:relative;overflow:hidden;flex:none;
}
.post-anim::before{ /* faint drawing grid inside the band */
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(var(--grid) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:22px 22px;
}
.post-anim svg{position:relative;width:100%;height:100%;display:block}
.post-card:hover .post-anim{background:
    linear-gradient(180deg,#fff,var(--paper-soft)),#fff}
.post-card .card-body{padding-top:20px}

/* shared animated primitives for the bands */
.pa-flow{stroke-dasharray:6 8;animation:flow 1.5s linear infinite}
.pa-flow.s{animation-duration:2.4s}
.pa-pulse{animation:pulse 2.6s var(--ease) infinite}
.pa-blink{animation:blink 1.8s steps(1) infinite}

/* HMI gauge needle sweep */
.pa-needle{transform-box:fill-box;transform-origin:bottom center;
  animation:needle 4s ease-in-out infinite}
@keyframes needle{0%,100%{transform:rotate(-46deg)}50%{transform:rotate(46deg)}}

/* PLC ladder rung energize */
.pa-rung{animation:rung 3s steps(1) infinite}
@keyframes rung{0%,100%{opacity:.22}40%,90%{opacity:1}}

/* S600 totalizer wheels — vertical scroll (10 digits × 30px = 300) */
.pa-roll{animation:roll 1.8s steps(10) infinite}
.pa-roll.r2{animation-duration:3.6s}
.pa-roll.r3{animation-duration:7.2s}
@keyframes roll{from{transform:translateY(0)}to{transform:translateY(-300px)}}

/* loop signal dot travelling a path */
.pa-travel{offset-path:path('M 16 86 L 16 40 L 150 40 L 150 86 L 250 86');
  animation:travel 3.2s linear infinite}
@keyframes travel{from{offset-distance:0%}to{offset-distance:100%}}

/* telemetry / RFID expanding rings */
.pa-wave{transform-box:fill-box;transform-origin:center;
  animation:wave 2.4s ease-out infinite;opacity:0}
.pa-wave.w2{animation-delay:.8s}
.pa-wave.w3{animation-delay:1.6s}

/* packet glide for protocols */
.pa-packet{animation:packet 2.8s linear infinite;opacity:0}
.pa-packet.p2{animation-delay:.93s}
.pa-packet.p3{animation-delay:1.86s}
@keyframes packet{
  0%{opacity:0;transform:translateX(0)}
  8%{opacity:1}
  92%{opacity:1}
  100%{opacity:0;transform:translateX(150px)}
}

/* inventory bars filling */
.pa-bar{transform-box:fill-box;transform-origin:bottom;
  animation:bar 3.4s ease-in-out infinite}
.pa-bar.d1{animation-delay:.2s}.pa-bar.d2{animation-delay:.5s}
.pa-bar.d3{animation-delay:.8s}.pa-bar.d4{animation-delay:1.1s}
@keyframes bar{0%,100%{transform:scaleY(.35)}50%{transform:scaleY(1)}}

/* ECG / vitals trace draw */
.pa-ecg{stroke-dasharray:340;stroke-dashoffset:340;
  animation:ecg 3s linear infinite}
@keyframes ecg{
  0%{stroke-dashoffset:340}
  70%{stroke-dashoffset:0}
  100%{stroke-dashoffset:0}
}
.pa-beat{animation:pulse 1.1s var(--ease) infinite}

/* conveyor box glide (rfid) */
.pa-box{animation:belt 5.5s linear infinite}
.pa-box.x2{animation-delay:-2.75s}
@keyframes belt2{from{transform:translateX(-40px)}to{transform:translateX(280px)}}

@media (prefers-reduced-motion:reduce){
  .post-anim *{animation:none!important}
  .pa-ecg{stroke-dashoffset:0}
  .pa-needle{transform:rotate(-12deg)}
}

/* ============================================================
   v6 addition: Why Us animated line-art bands
   ============================================================ */
/* Card image slot -> animated band (reuse .post-anim look) */
.card .post-anim{height:150px}

/* CAP-01 Technical Experience: stacked layers (OS/network/DB) lighting up */
.pa-layer{animation:layerlit 3.6s steps(1) infinite}
.pa-layer.l2{animation-delay:1.2s}
.pa-layer.l3{animation-delay:2.4s}
@keyframes layerlit{0%,100%{opacity:.3}20%,50%{opacity:1}}

/* CAP-02 High ROI: rising trend arrow drawing + coins/bars climbing */
.pa-draw{stroke-dasharray:260;stroke-dashoffset:260;
  animation:drawline 3.2s var(--ease) infinite}
@keyframes drawline{
  0%{stroke-dashoffset:260}
  60%{stroke-dashoffset:0}
  100%{stroke-dashoffset:0}
}
.pa-rise{transform-box:fill-box;transform-origin:bottom;
  animation:rise 3.2s var(--ease) infinite}
.pa-rise.g1{animation-delay:.15s}.pa-rise.g2{animation-delay:.45s}
.pa-rise.g3{animation-delay:.75s}.pa-rise.g4{animation-delay:1.05s}
@keyframes rise{0%{transform:scaleY(.15)}55%,100%{transform:scaleY(1)}}
.pa-arrowhead{animation:tipin 3.2s var(--ease) infinite;opacity:0}
@keyframes tipin{0%,55%{opacity:0}70%,100%{opacity:1}}

/* CAP-03 Satisfaction: checkmark draw inside a hexagon + sparkle */
.pa-check{stroke-dasharray:95;stroke-dashoffset:95;
  animation:check 3s var(--ease) infinite}
@keyframes check{
  0%,25%{stroke-dashoffset:95}
  55%,100%{stroke-dashoffset:0}
}
.pa-hex-stroke{stroke-dasharray:346;stroke-dashoffset:346;
  animation:drawhex 3s var(--ease) infinite}
@keyframes drawhex{0%{stroke-dashoffset:346}35%,100%{stroke-dashoffset:0}}
.pa-spark{transform-box:fill-box;transform-origin:center;
  animation:spark 3s var(--ease) infinite;opacity:0}
.pa-spark.s2{animation-delay:.25s}
@keyframes spark{0%,60%{opacity:0;transform:scale(0)}75%{opacity:1;transform:scale(1)}100%{opacity:0;transform:scale(.6)}}

/* ============================================================
   v7 addition: Services (IoT/IT) animated line-art bands
   ============================================================ */
.card.svc .post-anim{height:180px}

/* SVC-01 IoT Solutions: hub with sensor nodes reporting inward */
.pa-orbit{transform-box:fill-box;transform-origin:center;
  animation:orbit 9s linear infinite}
@keyframes orbit{from{transform:rotate(0)}to{transform:rotate(360deg)}}
.pa-node{animation:pulse 2.6s var(--ease) infinite}
.pa-node.n2{animation-delay:.5s}.pa-node.n3{animation-delay:1s}
.pa-node.n4{animation-delay:1.5s}.pa-node.n5{animation-delay:2s}

/* SVC-02 Web Hosting & Cloud: device streams up to cloud + server rack blink */
.pa-up{stroke-dasharray:5 7;animation:flowup 1.6s linear infinite}
@keyframes flowup{to{stroke-dashoffset:-24}}
.pa-led{animation:blink 1.4s steps(1) infinite}
.pa-led.d2{animation-delay:.35s}.pa-led.d3{animation-delay:.7s}
.pa-led.d4{animation-delay:1.05s}

/* SVC-03 Hardware Integration: old + new boxes bridged by a plug connecting */
.pa-bridge{stroke-dasharray:120;stroke-dashoffset:120;
  animation:bridge 3.4s var(--ease) infinite}
@keyframes bridge{0%,10%{stroke-dashoffset:120}55%,100%{stroke-dashoffset:0}}
.pa-link-dot{animation:linkdot 3.4s var(--ease) infinite;opacity:0}
@keyframes linkdot{0%,55%{opacity:0}70%,95%{opacity:1}100%{opacity:0}}

/* SVC-04 Web & Apps Dev: browser window + code lines typing + cursor */
.pa-code{transform-box:fill-box;transform-origin:left;
  animation:code 4s steps(1) infinite}
.pa-code.c1{animation-delay:.2s}.pa-code.c2{animation-delay:.7s}
.pa-code.c3{animation-delay:1.2s}.pa-code.c4{animation-delay:1.7s}
.pa-code.c5{animation-delay:2.2s}
@keyframes code{0%,100%{transform:scaleX(0)}12%,92%{transform:scaleX(1)}}
.pa-cursor{animation:blink 1s steps(1) infinite}

/* ============================================================
   v8 addition: FAQ side-panel animated line-art bands
   ============================================================ */
/* Fill the narrow left column of the side-by-side FAQ card */
.faq-card .post-anim{
  height:100%;min-height:190px;
  border-bottom:0;border-right:1px solid var(--line);
}
@media (max-width:620px){
  .faq-card .post-anim{border-right:0;border-bottom:1px solid var(--line);
    min-height:150px;height:auto}
}

/* FAQ-01 Why Cloud Services: multiple devices syncing to a cloud */
.pa-sync{stroke-dasharray:5 6;animation:flowup 1.5s linear infinite}
.pa-cloudpulse{animation:pulse 2.6s var(--ease) infinite}
.pa-dev{animation:pulse 2.8s var(--ease) infinite}
.pa-dev.v2{animation-delay:.6s}.pa-dev.v3{animation-delay:1.2s}

/* FAQ-02 Why RFID: tag scanned by reader waves + check ping */
.pa-scan{transform-box:fill-box;transform-origin:center;
  animation:wave 2.2s ease-out infinite;opacity:0}
.pa-scan.k2{animation-delay:.7s}.pa-scan.k3{animation-delay:1.4s}
.pa-tagblink{animation:blink 2.2s steps(1) infinite}

/* FAQ-03 Integration: existing system + API bridge drawing in */
.pa-apidraw{stroke-dasharray:70;stroke-dashoffset:70;
  animation:apidraw 3.2s var(--ease) infinite}
@keyframes apidraw{0%,12%{stroke-dashoffset:70}55%,100%{stroke-dashoffset:0}}
.pa-cog{transform-box:fill-box;transform-origin:center;
  animation:orbit 7s linear infinite}
.pa-cog.rev{animation-direction:reverse;animation-duration:5s}