/* =============================================================
   SPARK PROJECT AND AUTOMATION — design tokens
   Palette: near-black + neon circuit blue + neon amber + signal red
   (matched to the client's real logo & illuminated signage)
   Type: Poppins (display) / Inter (body) / IBM Plex Mono (data)
   ============================================================= */
:root{
  --bg:            #06080C;
  --bg-alt:        #0C1016;
  --surface:       #12161E;
  --surface-2:     #171C26;
  --ink:           #F2F5F8;
  --ink-soft:      #9AA6B2;
  --blue:          #29C6F0;
  --blue-glow:     #6FE2FF;
  --orange:        #FFA22E;
  --orange-glow:   #FFC168;
  --red:           #F2564B;
  --line:          rgba(255,255,255,.10);
  --line-soft:     rgba(255,255,255,.07);
  --radius:        6px;
  --font-display:  'Poppins', sans-serif;
  --font-body:     'Inter', sans-serif;
  --font-mono:     'IBM Plex Mono', monospace;
  --max: 1160px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
.container{ max-width:var(--max); margin:0 auto; padding:0 28px; }
.mono{ font-family:var(--font-mono); letter-spacing:.05em; }

h1,h2,h3{ font-family:var(--font-display); color:#fff; margin:0 0 .4em; line-height:1.14; font-weight:700; }
h2.section-title{ font-size:clamp(1.7rem,3.4vw,2.5rem); margin-bottom:.5em; }
p{ margin:0 0 1em; color:var(--ink-soft); }
.lede{ max-width:640px; font-size:1.08rem; }

.grad-text{
  background:linear-gradient(90deg,#fff 0%, var(--orange-glow) 65%, var(--orange) 100%);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}

/* ---------- eyebrow label ---------- */
.eyebrow{
  display:inline-block;
  font-size:.72rem;
  color:var(--blue-glow);
  text-transform:uppercase;
  margin-bottom:.9em;
  padding-left:1.4em;
  position:relative;
}
.eyebrow::before{
  content:"";
  position:absolute; left:0; top:50%;
  width:1em; height:1px;
  background:var(--blue-glow);
  transform:translateY(-50%);
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:.5em;
  padding:.9em 1.7em;
  border-radius:var(--radius);
  font-family:var(--font-mono);
  font-size:.8rem;
  font-weight:500;
  text-transform:uppercase;
  letter-spacing:.06em;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease, background .18s ease, color .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.btn:hover{ transform:translateY(-2px); }
.btn-copper{
  background:linear-gradient(90deg, var(--orange), #FF7A2E);
  color:#0A0A0C; font-weight:600;
  box-shadow:0 0 0 rgba(255,162,46,0);
}
.btn-copper:hover{ box-shadow:0 6px 24px rgba(255,162,46,.35); }
.btn-outline{ background:transparent; border-color:var(--blue); color:var(--blue-glow); }
.btn-outline:hover{ background:rgba(41,198,240,.1); box-shadow:0 0 0 1px var(--blue), 0 6px 20px rgba(41,198,240,.25); }

/* =============================================================
   SPLASH / INTRO ANIMATION — looping PCB trace + logo
   ============================================================= */
#splash{
  position:fixed; inset:0; z-index:999;
  background:radial-gradient(circle at 50% 40%, #0C1420 0%, #05070A 70%);
  display:flex; align-items:center; justify-content:center;
  transition:opacity .6s ease, visibility .6s ease;
  overflow:hidden;
}
#splash.hide{ opacity:0; visibility:hidden; pointer-events:none; }
.splash-inner{ text-align:center; color:#fff; position:relative; z-index:2; }
#splash-gif{ max-width:220px; margin:0 auto 18px; display:none; }
#splash-logo{ width:150px; margin:0 auto 20px; filter:drop-shadow(0 0 22px rgba(41,198,240,.35)); animation:logo-pulse 2.4s ease-in-out infinite; }
@keyframes logo-pulse{ 0%,100%{ filter:drop-shadow(0 0 14px rgba(41,198,240,.3)); } 50%{ filter:drop-shadow(0 0 30px rgba(255,162,46,.45)); } }
.splash-sub{ display:block; font-family:var(--font-mono); font-size:.75rem; color:var(--ink-soft); text-transform:uppercase; letter-spacing:.16em; margin-top:.6em; }

/* full-bleed looping circuit-trace background animation */
.splash-circuit{ position:absolute; inset:0; z-index:1; opacity:.85; }
.splash-circuit path{
  fill:none; stroke-width:1.4;
}
.splash-circuit .trace-blue{ stroke:var(--blue); filter:drop-shadow(0 0 4px rgba(41,198,240,.7)); }
.splash-circuit .trace-orange{ stroke:var(--orange); filter:drop-shadow(0 0 4px rgba(255,162,46,.7)); }
.splash-circuit .pulse{
  stroke-dasharray:8 340; stroke-dashoffset:0;
  animation:trace-run 3.2s linear infinite;
}
.splash-circuit .pulse.delay1{ animation-delay:.6s; }
.splash-circuit .pulse.delay2{ animation-delay:1.3s; }
.splash-circuit .pulse.delay3{ animation-delay:2s; }
@keyframes trace-run{ to{ stroke-dashoffset:-348; } }
.splash-circuit .node{ fill:var(--blue-glow); }
.splash-circuit .node.o{ fill:var(--orange-glow); }

/* =============================================================
   HEADER
   ============================================================= */
#site-header{
  position:sticky; top:0; z-index:200;
  background:rgba(6,8,12,.85);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  max-width:var(--max); margin:0 auto; padding:14px 28px;
  display:flex; align-items:center; justify-content:space-between;
}
.brand{ display:flex; align-items:center; gap:10px; }
.brand-logo{ height:40px; width:auto; }
.brand-mark{ font-family:var(--font-display); font-weight:700; font-size:1rem; color:#fff; letter-spacing:.01em; line-height:1.15; }
.brand-mark .accent{ color:var(--orange); }
.brand-mark small{ display:block; font-family:var(--font-mono); font-size:.6rem; color:var(--ink-soft); letter-spacing:.14em; font-weight:400; }
#main-nav{ display:flex; align-items:center; gap:26px; }
#main-nav a{
  font-family:var(--font-mono); font-size:.78rem; text-transform:uppercase;
  letter-spacing:.05em; color:var(--ink-soft); position:relative; padding:4px 0;
}
#main-nav a:not(.btn):hover{ color:#fff; }
#main-nav a:not(.btn)::after{
  content:""; position:absolute; left:0; bottom:-2px; width:0; height:1px;
  background:var(--blue-glow); transition:width .2s ease;
}
#main-nav a:not(.btn):hover::after{ width:100%; }
.nav-cta{ padding:.6em 1.2em; }
#nav-toggle{ display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:6px; }
#nav-toggle span{ width:22px; height:2px; background:#fff; display:block; }

@media (max-width:880px){
  #nav-toggle{ display:flex; }
  #main-nav{
    position:absolute; top:100%; left:0; right:0;
    background:var(--bg); flex-direction:column; align-items:flex-start;
    padding:18px 28px 26px; gap:16px; border-bottom:1px solid var(--line);
    display:none;
  }
  #main-nav.open{ display:flex; }
  .nav-cta{ margin-top:6px; }
}

/* =============================================================
   HERO / HOME
   ============================================================= */
.hero{
  position:relative; min-height:88vh;
  display:flex; align-items:center;
  overflow:hidden;
  background:var(--bg);
}
.hero-carousel{ position:absolute; inset:0; }
.hero-carousel .slide{
  position:absolute; inset:0;
  background-size:cover; background-position:center;
  background-color:var(--surface);
  opacity:0; transition:opacity 1.2s ease;
}
.hero-carousel .slide.active{ opacity:1; }
.hero-overlay{
  position:absolute; inset:0;
  background:linear-gradient(115deg, rgba(6,8,12,.96) 0%, rgba(6,8,12,.88) 40%, rgba(6,8,12,.6) 78%);
}
.hero-content{ position:relative; z-index:2; max-width:660px; padding:0 28px; margin:0 auto; width:100%; }
.hero-badge{
  display:inline-flex; align-items:center; gap:10px;
  border:1px solid var(--line); border-radius:30px;
  padding:.4em .5em .4em 1em; margin-bottom:1.2em;
  font-family:var(--font-mono); font-size:.7rem; color:var(--ink-soft);
  letter-spacing:.12em; text-transform:uppercase;
  background:rgba(255,255,255,.03);
}
.hero-badge span.dot3{ color:var(--blue-glow); }
.hero h1{ font-size:clamp(2.1rem,5.4vw,3.6rem); letter-spacing:.01em; }
.hero-sub{ color:var(--ink-soft); font-size:1.05rem; max-width:540px; }
.hero-actions{ display:flex; gap:16px; margin-top:1.5em; flex-wrap:wrap; }

.hero-dots{
  position:absolute; bottom:26px; left:50%; transform:translateX(-50%);
  z-index:2; display:flex; gap:9px;
}
.hero-dots .dot-btn{
  width:8px; height:8px; border-radius:50%;
  background:rgba(255,255,255,.25);
  border:none; cursor:pointer; padding:0;
  transition:background .2s ease, transform .2s ease;
}
.hero-dots .dot-btn.active{ background:var(--orange); transform:scale(1.25); box-shadow:0 0 8px rgba(255,162,46,.7); }

.schematic-trace{
  position:absolute; left:0; right:0; bottom:0;
  width:100%; height:90px; z-index:1;
  opacity:.6;
}
.schematic-trace path{
  fill:none; stroke:var(--blue); stroke-width:1.4;
  stroke-dasharray:2600; stroke-dashoffset:2600;
  animation:draw-trace 2.6s ease forwards .5s;
  filter:drop-shadow(0 0 3px rgba(41,198,240,.6));
}
.schematic-trace .node{
  fill:var(--orange-glow); opacity:0;
  animation:pop-node .4s ease forwards;
}
.schematic-trace .node:nth-of-type(2){ animation-delay:1.1s; }
.schematic-trace .node:nth-of-type(3){ animation-delay:1.7s; }
.schematic-trace .node:nth-of-type(4){ animation-delay:2.2s; }
.schematic-trace .node:nth-of-type(5){ animation-delay:2.6s; }
@keyframes draw-trace{ to{ stroke-dashoffset:0; } }
@keyframes pop-node{ to{ opacity:1; } }

/* =============================================================
   INTRO STRIP
   ============================================================= */
.intro-strip{ padding:70px 0; border-bottom:1px solid var(--line-soft); background:var(--bg-alt); }
.intro-grid{ display:grid; grid-template-columns:1.4fr 1fr; gap:50px; align-items:center; }
.intro-strip h2{ font-size:clamp(1.5rem,2.6vw,2rem); max-width:520px; }
.intro-stats{ display:flex; gap:34px; flex-wrap:wrap; }
.stat{ display:flex; flex-direction:column; }
.stat-num{ font-size:2.1rem; color:var(--orange); font-weight:700; font-family:var(--font-display); }
.stat-label{ font-size:.78rem; color:var(--ink-soft); text-transform:uppercase; letter-spacing:.04em; }
@media (max-width:760px){ .intro-grid{ grid-template-columns:1fr; } }

/* =============================================================
   GENERIC SECTIONS
   ============================================================= */
section{ padding:90px 0; }
.section-alt{ background:var(--bg-alt); }

/* reveal-on-scroll */
.reveal{ opacity:0; transform:translateY(24px); transition:opacity .7s ease, transform .7s ease; }
.reveal.in-view{ opacity:1; transform:translateY(0); }

/* ---------- vision / mission ---------- */
.vm-grid{ display:grid; grid-template-columns:1fr 1fr; gap:26px; margin-top:40px; }
.vm-card{
  background:var(--surface); border:1px solid var(--line); border-left:3px solid var(--orange);
  padding:34px; border-radius:var(--radius);
  transition:border-color .2s ease, box-shadow .2s ease;
}
.vm-card:hover{ border-color:var(--orange); box-shadow:0 0 30px rgba(255,162,46,.08); }
.vm-tag{ display:block; color:var(--orange); font-size:.72rem; margin-bottom:.8em; }
.vm-card h3{ font-size:1.2rem; }
@media (max-width:760px){ .vm-grid{ grid-template-columns:1fr; } }

/* ---------- services ---------- */
.services-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:22px; margin-top:44px; }
.service-card{
  background:var(--surface); border:1px solid var(--line);
  padding:28px 24px; border-radius:var(--radius);
  position:relative; transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.service-card:hover{ transform:translateY(-5px); box-shadow:0 14px 34px rgba(41,198,240,.12); border-color:var(--blue); }
.service-card .ref{
  display:inline-block; color:var(--blue-glow); font-size:.78rem;
  border:1px solid var(--blue); padding:2px 8px; border-radius:20px; margin-bottom:1em;
}
.service-card h3{ font-size:1.08rem; color:#fff; }
.service-card p{ font-size:.94rem; margin:0; }
@media (max-width:940px){ .services-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:560px){ .services-grid{ grid-template-columns:1fr; } }

/* ---------- products ---------- */
.products-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:22px; margin-top:44px; }
.product-card{
  background:var(--surface); border:1px solid var(--line); border-radius:var(--radius);
  overflow:hidden; display:flex; flex-direction:column;
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.product-card:hover{ transform:translateY(-5px); box-shadow:0 14px 34px rgba(255,162,46,.12); border-color:var(--orange); }
.product-media{
  aspect-ratio:4/3; background:linear-gradient(135deg,var(--surface-2),var(--bg-alt));
  position:relative; overflow:hidden;
}
.product-media img{ width:100%; height:100%; object-fit:cover; }
.product-media.img-fallback{
  display:flex; align-items:center; justify-content:center;
}
.product-media.img-fallback::before{
  content:"PHOTO COMING SOON";
  color:var(--ink-soft); font-family:var(--font-mono); font-size:.72rem;
  letter-spacing:.08em; text-transform:uppercase;
}
.product-body{ padding:22px; display:flex; flex-direction:column; gap:10px; flex:1; }
.product-body h3{ font-size:1.08rem; margin-bottom:.1em; color:#fff; }
.product-body p{ font-size:.92rem; flex:1; }
.enquiry-btn{ align-self:flex-start; margin-top:6px; }
@media (max-width:940px){ .products-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:560px){ .products-grid{ grid-template-columns:1fr; } }

/* ---------- academic ---------- */
.branches-grid{ display:flex; flex-wrap:wrap; gap:12px; margin:36px 0 44px; }
.branch-chip{
  border:1px solid var(--blue); color:var(--blue-glow);
  padding:.6em 1.1em; border-radius:20px; font-size:.75rem;
  background:rgba(41,198,240,.06);
}
.academic-cta{
  border-top:1px solid var(--line); padding-top:34px;
  display:flex; align-items:center; justify-content:space-between; gap:20px; flex-wrap:wrap;
}
.academic-cta p{ margin:0; font-size:1.05rem; color:var(--ink); max-width:440px; }

/* ---------- career ---------- */
.career-grid{ display:grid; grid-template-columns:1.2fr 1fr; gap:50px; align-items:start; }
.career-list{ display:flex; flex-direction:column; gap:16px; }
.career-item{
  display:flex; align-items:center; gap:16px;
  background:var(--surface); border:1px solid var(--line); padding:18px 20px; border-radius:var(--radius);
}
.career-item .ref{ color:var(--orange); }
.career-item p{ margin:0; color:var(--ink); font-weight:500; }
@media (max-width:800px){ .career-grid{ grid-template-columns:1fr; } }

/* ---------- contact ---------- */
.contact-panel{
  border:1px solid var(--line); border-radius:12px;
  background:linear-gradient(145deg, var(--surface) 0%, var(--bg-alt) 100%);
  padding:48px; position:relative; overflow:hidden;
  box-shadow:0 0 60px rgba(41,198,240,.05);
}
.contact-panel::before{
  content:""; position:absolute; inset:0; border-radius:12px; padding:1px;
  background:linear-gradient(120deg, rgba(41,198,240,.5), rgba(255,162,46,.5));
  -webkit-mask:linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite:xor; mask-composite:exclude;
  pointer-events:none; opacity:.5;
}
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:60px; position:relative; z-index:1; }
.info-row{ margin-bottom:22px; }
.info-label{ display:block; color:var(--orange); font-size:.72rem; margin-bottom:.4em; }
.info-row p{ margin:0; color:var(--ink); }
.info-row a:hover{ color:var(--orange-glow); }
.social-row{ display:flex; gap:12px; margin-top:26px; }
.social-icon{
  width:38px; height:38px; border-radius:50%; border:1px solid var(--line);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-mono); font-size:.68rem; color:var(--ink-soft);
  transition:background .2s ease, color .2s ease, border-color .2s ease;
}
.social-icon:hover{ background:linear-gradient(90deg,var(--blue),var(--orange)); color:#0A0A0C; border-color:transparent; }

.contact-form{ display:flex; flex-direction:column; gap:16px; }
.contact-form label{ display:flex; flex-direction:column; gap:6px; font-size:.8rem; color:var(--ink-soft); font-family:var(--font-mono); text-transform:uppercase; letter-spacing:.03em; }
.contact-form input, .contact-form textarea{
  font-family:var(--font-body); font-size:.98rem; padding:.85em .95em;
  border:1px solid var(--line); border-radius:var(--radius); background:var(--bg); color:var(--ink);
  resize:vertical;
}
.contact-form input:focus, .contact-form textarea:focus{ outline:2px solid var(--blue); outline-offset:1px; }
.contact-form button{ margin-top:6px; align-self:flex-start; }
.form-note{ font-size:.78rem; color:var(--ink-soft); margin-top:4px; }
.hidden-field{ display:none; }
@media (max-width:800px){ .contact-grid{ grid-template-columns:1fr; } .contact-panel{ padding:30px 22px; } }

/* =============================================================
   FOOTER
   ============================================================= */
footer{ background:#040507; color:var(--ink-soft); padding:56px 0 0; border-top:1px solid var(--line); }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:30px; padding-bottom:40px; border-bottom:1px solid var(--line); }
.footer-brand{ display:flex; align-items:center; gap:10px; margin-bottom:.6em; }
.footer-brand img{ height:38px; }
footer .brand-mark{ color:#fff; }
.footer-tag{ color:var(--ink-soft); font-size:.85rem; margin-top:.5em; letter-spacing:.08em; text-transform:uppercase; font-family:var(--font-mono); font-size:.72rem; }
.footer-links, .footer-social{ display:flex; flex-direction:column; gap:10px; font-size:.85rem; }
.footer-links a:hover, .footer-social a:hover{ color:var(--orange-glow); }
.footer-bottom{ padding:22px 28px; text-align:center; font-size:.78rem; color:#5D6873; }

/* =============================================================
   MODAL (enquiry form)
   ============================================================= */
.modal{ position:fixed; inset:0; z-index:500; display:none; align-items:center; justify-content:center; padding:20px; }
.modal.open{ display:flex; }
.modal-backdrop{ position:absolute; inset:0; background:rgba(4,5,7,.75); backdrop-filter:blur(2px); }
.modal-panel{
  position:relative; background:var(--surface); border:1px solid var(--line); border-radius:var(--radius);
  max-width:460px; width:100%; padding:34px; max-height:88vh; overflow-y:auto;
  animation:modal-in .25s ease;
}
@keyframes modal-in{ from{ opacity:0; transform:translateY(14px) scale(.98); } to{ opacity:1; transform:none; } }
.modal-close{
  position:absolute; top:14px; right:16px; background:none; border:none;
  font-size:1.6rem; line-height:1; color:var(--ink-soft); cursor:pointer;
}
.modal-close:hover{ color:var(--orange); }
.modal-panel h3{ font-size:1.2rem; margin-bottom:1em; color:#fff; }
.modal-panel form{ display:flex; flex-direction:column; gap:14px; }
.modal-panel label{ display:flex; flex-direction:column; gap:6px; font-size:.8rem; color:var(--ink-soft); font-family:var(--font-mono); text-transform:uppercase; letter-spacing:.03em; }
.modal-panel input, .modal-panel textarea{
  font-family:var(--font-body); font-size:.98rem; padding:.75em .85em;
  border:1px solid var(--line); border-radius:var(--radius); resize:vertical;
  background:var(--bg); color:var(--ink);
}
.modal-panel input:focus, .modal-panel textarea:focus{ outline:2px solid var(--blue); outline-offset:1px; }
.modal-panel input[readonly]{ background:var(--bg-alt); color:var(--ink-soft); }
.modal-panel button{ margin-top:4px; }

/* focus visibility across the site */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:2px solid var(--blue); outline-offset:2px;
}