/* ==========================================================================
   UHD CONTROLS — DESIGN SYSTEM
   A schematic-inspired system for a precision automation engineering brand.
   Signature elements: blueprint grid field, live telemetry ticker,
   corner tick-marks (drawing register marks), monospace data readouts.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. TOKENS
   -------------------------------------------------------------------------- */
:root{
  /* Ink scale — light mode default */
  --ink-950:#0A0B0D;
  --ink-900:#111318;
  --ink-800:#1B1E24;
  --ink-700:#2A2D33;
  --ink-500:#5B6169;
  --paper-000:#FFFFFF;
  --paper-050:#F5F6F7;
  --paper-100:#ECEEF0;
  --line:#DEE1E4;
  --line-strong:#C6CACE;

  /* Signal accents — drawn from HMI status colour conventions */
  --signal:#0FB88A;        /* telemetry green — "running" */
  --signal-dim:#0C9873;
  --amber:#FF9E2C;         /* alarm/highlight amber — used sparingly */
  --wire:#3E7BFF;          /* schematic wire blue — links, diagrams */

  /* Surface roles (re-mapped under [data-theme="dark"]) */
  --bg: var(--paper-000);
  --bg-raised: var(--paper-050);
  --bg-inverse: var(--ink-950);
  --text: var(--ink-950);
  --text-muted: var(--ink-500);
  --text-inverse: var(--paper-050);
  --border: var(--line);
  --border-strong: var(--line-strong);

  /* Typography */
  --font-display:'Space Grotesk', 'IBM Plex Sans', system-ui, sans-serif;
  --font-body:'IBM Plex Sans', system-ui, -apple-system, sans-serif;
  --font-mono:'IBM Plex Mono', 'SFMono-Regular', Menlo, monospace;

  /* Type scale — 1.250 (major third) modular scale, base 16px */
  --step--2: 0.64rem;
  --step--1: 0.8rem;
  --step-0: 1rem;
  --step-1: 1.25rem;
  --step-2: 1.563rem;
  --step-3: 1.953rem;
  --step-4: 2.441rem;
  --step-5: 3.052rem;
  --step-6: 3.815rem;
  --step-7: 4.768rem;

  /* Spacing scale — 4px base */
  --sp-1: 0.25rem;   /* 4  */
  --sp-2: 0.5rem;    /* 8  */
  --sp-3: 0.75rem;   /* 12 */
  --sp-4: 1rem;      /* 16 */
  --sp-6: 1.5rem;    /* 24 */
  --sp-8: 2rem;      /* 32 */
  --sp-12: 3rem;     /* 48 */
  --sp-16: 4rem;     /* 64 */
  --sp-24: 6rem;     /* 96 */
  --sp-32: 8rem;     /* 128 */
  --sp-48: 12rem;    /* 192 */

  /* Radius — small, drafting-tool precision, never bubbly */
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;

  /* Shadow — soft, low-opacity, single light source */
  --shadow-sm: 0 1px 2px rgba(10,11,13,0.06), 0 1px 1px rgba(10,11,13,0.04);
  --shadow-md: 0 8px 24px -8px rgba(10,11,13,0.16), 0 2px 6px rgba(10,11,13,0.06);
  --shadow-lg: 0 24px 64px -16px rgba(10,11,13,0.28), 0 4px 12px rgba(10,11,13,0.08);
  --shadow-glow: 0 0 0 1px rgba(15,184,138,0.16), 0 8px 32px rgba(15,184,138,0.14);

  /* Motion */
  --ease-out: cubic-bezier(.16,1,.3,1);
  --ease-in-out: cubic-bezier(.65,0,.35,1);
  --dur-fast: 160ms;
  --dur-med: 320ms;
  --dur-slow: 640ms;

  --container: 1280px;
  --nav-h: 76px;
}

[data-theme="dark"]{
  --bg: var(--ink-950);
  --bg-raised: var(--ink-900);
  --bg-inverse: var(--paper-000);
  --text: var(--paper-050);
  --text-muted: #9AA1AB;
  --text-inverse: var(--ink-950);
  --border: var(--ink-700);
  --border-strong: #3A3E46;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
  --shadow-md: 0 8px 24px -8px rgba(0,0,0,0.6);
  --shadow-lg: 0 24px 64px -16px rgba(0,0,0,0.7);
}

@media (prefers-reduced-motion: reduce){
  *, *::before, *::after{
    animation-duration:0.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:0.01ms !important;
    scroll-behavior:auto !important;
  }
}

/* --------------------------------------------------------------------------
   2. RESET & BASE
   -------------------------------------------------------------------------- */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth; -webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:var(--step-0);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  transition:background var(--dur-med) var(--ease-out), color var(--dur-med) var(--ease-out);
  overflow-x:hidden;
}
img{max-width:100%; display:block;}
a{color:inherit; text-decoration:none;}
ul{margin:0; padding:0; list-style:none;}
button{font-family:inherit; cursor:pointer;}
h1,h2,h3,h4,h5,p,figure{margin:0;}
input,textarea,select{font-family:inherit; font-size:inherit;}

:focus-visible{
  outline:2px solid var(--signal);
  outline-offset:3px;
  border-radius:var(--radius-sm);
}

.container{
  width:100%;
  max-width:var(--container);
  margin-inline:auto;
  padding-inline:var(--sp-6);
}
@media (min-width:900px){ .container{padding-inline:var(--sp-8);} }

section{ position:relative; }
.section-pad{ padding-block: var(--sp-24); }
@media (max-width:700px){ .section-pad{ padding-block: var(--sp-16); } }

/* --------------------------------------------------------------------------
   3. TYPOGRAPHY
   -------------------------------------------------------------------------- */
h1,h2,h3,h4,.font-display{
  font-family:var(--font-display);
  font-weight:500;
  letter-spacing:-0.02em;
  line-height:1.08;
  color:var(--text);
}
h1, .h1{ font-size:clamp(2.4rem, 5vw + 1rem, var(--step-7)); }
h2, .h2{ font-size:clamp(1.9rem, 3.4vw + 1rem, var(--step-5)); }
h3, .h3{ font-size:clamp(1.4rem, 1.6vw + 1rem, var(--step-3)); }
h4, .h4{ font-size:var(--step-1); font-weight:600; }

.lede{
  font-size:clamp(1.05rem, 1vw + 0.9rem, var(--step-2));
  color:var(--text-muted);
  max-width:64ch;
  line-height:1.55;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:var(--sp-2);
  font-family:var(--font-mono);
  font-size:var(--step--1);
  letter-spacing:0.12em;
  text-transform:uppercase;
  color:var(--signal);
}
.eyebrow::before{
  content:"";
  width:6px; height:6px;
  background:var(--signal);
  border-radius:1px;
  transform:rotate(45deg);
  flex-shrink:0;
}
.mono{ font-family:var(--font-mono); }
.text-muted{ color:var(--text-muted); }
.text-center{ text-align:center; }
.max-prose{ max-width:68ch; }

/* --------------------------------------------------------------------------
   4. BLUEPRINT GRID FIELD (signature texture)
   -------------------------------------------------------------------------- */
.blueprint-field{
  position:absolute; inset:0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size:48px 48px;
  opacity:0.35;
  mask-image:linear-gradient(180deg, rgba(0,0,0,0.9), rgba(0,0,0,0.15));
  pointer-events:none;
}
[data-theme="dark"] .blueprint-field{ opacity:0.25; }

.register-marks span{
  position:absolute; width:14px; height:14px;
  border-color:var(--border-strong);
  border-style:solid;
}
.register-marks .tl{ top:0; left:0; border-width:1px 0 0 1px; }
.register-marks .tr{ top:0; right:0; border-width:1px 1px 0 0; }
.register-marks .bl{ bottom:0; left:0; border-width:0 0 1px 1px; }
.register-marks .br{ bottom:0; right:0; border-width:0 1px 1px 0; }

/* --------------------------------------------------------------------------
   5. BUTTON LIBRARY
   -------------------------------------------------------------------------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:var(--sp-2);
  padding:0.85rem 1.6rem;
  font-family:var(--font-body);
  font-size:0.95rem;
  font-weight:600;
  letter-spacing:0.01em;
  border-radius:var(--radius-md);
  border:1px solid transparent;
  white-space:nowrap;
  transition:transform var(--dur-fast) var(--ease-out),
             box-shadow var(--dur-fast) var(--ease-out),
             background var(--dur-fast) var(--ease-out),
             border-color var(--dur-fast) var(--ease-out),
             color var(--dur-fast) var(--ease-out);
}
.btn svg{ width:16px; height:16px; transition:transform var(--dur-fast) var(--ease-out); }
.btn:hover svg{ transform:translateX(3px); }
.btn:active{ transform:scale(0.98); }

.btn-primary{
  background:var(--signal);
  color:#04140F;
  box-shadow:var(--shadow-sm);
}
.btn-primary:hover{ background:var(--signal-dim); box-shadow:var(--shadow-glow); transform:translateY(-1px); }

.btn-outline{
  background:transparent;
  border-color:var(--border-strong);
  color:var(--text);
}
.btn-outline:hover{ border-color:var(--signal); color:var(--signal); transform:translateY(-1px); }

.btn-ghost{
  background:transparent;
  color:var(--text);
  padding-inline:0.4rem;
  position:relative;
}
.btn-ghost::after{
  content:"";
  position:absolute; left:0.4rem; right:0.4rem; bottom:0.35rem;
  height:1px; background:currentColor;
  transform:scaleX(0); transform-origin:right;
  transition:transform var(--dur-med) var(--ease-out);
}
.btn-ghost:hover::after{ transform:scaleX(1); transform-origin:left; }

.btn-inverse{
  background:var(--bg-inverse);
  color:var(--bg);
}
.btn-inverse:hover{ opacity:0.86; transform:translateY(-1px); }

.btn-lg{ padding:1.05rem 2rem; font-size:1.02rem; }
.btn-sm{ padding:0.55rem 1.1rem; font-size:0.85rem; }
.btn-block{ width:100%; }

/* --------------------------------------------------------------------------
   6. NAVIGATION
   -------------------------------------------------------------------------- */
.site-header{
  position:sticky; top:0; z-index:100;
  height:var(--nav-h);
  display:flex; align-items:center;
  background:color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--border);
  transition:background var(--dur-med) var(--ease-out), border-color var(--dur-med) var(--ease-out);
}
.nav-row{
  width:100%;
  display:flex; align-items:center; justify-content:space-between;
  gap:var(--sp-6);
}
.brand{ display:flex; align-items:center; gap:var(--sp-3); font-family:var(--font-display); font-weight:600; font-size:1.1rem; letter-spacing:-0.01em; }
.brand svg{ width:30px; height:30px; }
.brand-mark-ring{ stroke:var(--signal); }

.nav-links{ display:none; align-items:center; gap:var(--sp-8); }
@media (min-width:960px){ .nav-links{ display:flex; } }

.nav-item{ position:relative; }
.nav-link{
  display:flex; align-items:center; gap:6px;
  padding:1.6rem 0;
  font-size:0.92rem; font-weight:500;
  color:var(--text);
  opacity:0.86;
}
.nav-link:hover{ opacity:1; color:var(--signal); }
.nav-link svg{ width:12px; height:12px; transition:transform var(--dur-fast) var(--ease-out); }
.nav-item:hover .nav-link svg{ transform:rotate(180deg); }

.nav-actions{ display:flex; align-items:center; gap:var(--sp-4); }
@media (max-width:480px){ .nav-actions > .btn{ display:none; } }

.theme-toggle{
  width:40px; height:40px;
  display:flex; align-items:center; justify-content:center;
  border-radius:var(--radius-md);
  border:1px solid var(--border);
  background:var(--bg-raised);
  color:var(--text);
  transition:border-color var(--dur-fast), color var(--dur-fast);
}
.theme-toggle:hover{ border-color:var(--signal); color:var(--signal); }
.theme-toggle svg{ width:18px; height:18px; }
.theme-toggle .icon-moon{ display:none; }
[data-theme="dark"] .theme-toggle .icon-sun{ display:none; }
[data-theme="dark"] .theme-toggle .icon-moon{ display:block; }

.nav-toggle{
  display:flex; align-items:center; justify-content:center;
  width:40px; height:40px;
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  background:var(--bg-raised);
}
@media (min-width:960px){ .nav-toggle{ display:none; } }
.nav-toggle svg{ width:18px; height:18px; }

/* Mega menu */
.mega{
  position:absolute; top:100%; left:50%;
  transform:translate(-50%, 8px);
  width:min(880px, 88vw);
  background:var(--bg-raised);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lg);
  padding:var(--sp-8);
  display:grid; grid-template-columns:1.1fr 1fr; gap:var(--sp-8);
  opacity:0; visibility:hidden; pointer-events:none;
  transition:opacity var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out), visibility var(--dur-med);
}
.nav-item:hover .mega, .nav-item:focus-within .mega{
  opacity:1; visibility:visible; pointer-events:auto;
  transform:translate(-50%, 0);
}
.mega-grid{ display:grid; grid-template-columns:1fr 1fr; gap:var(--sp-2) var(--sp-6); }
.mega-link{
  display:flex; flex-direction:column; gap:2px;
  padding:var(--sp-3);
  border-radius:var(--radius-md);
  transition:background var(--dur-fast);
}
.mega-link:hover{ background:var(--bg); }
.mega-link strong{ font-size:0.92rem; font-weight:600; }
.mega-link span{ font-size:0.8rem; color:var(--text-muted); }
.mega-feature{
  background:var(--ink-950);
  color:var(--paper-050);
  border-radius:var(--radius-md);
  padding:var(--sp-6);
  display:flex; flex-direction:column; gap:var(--sp-3);
  position:relative; overflow:hidden;
}
.mega-feature .eyebrow{ color:var(--signal); }

/* Mobile drawer */
.mobile-drawer{
  position:fixed; inset:0; z-index:200;
  background:var(--bg);
  transform:translateX(100%);
  transition:transform var(--dur-slow) var(--ease-in-out);
  overflow-y:auto;
  padding:var(--sp-6);
}
.mobile-drawer.open{ transform:translateX(0); }
.mobile-drawer-head{ display:flex; justify-content:space-between; align-items:center; margin-bottom:var(--sp-8); }
.mobile-drawer .nav-link-mobile{
  display:flex; align-items:center; justify-content:space-between;
  padding:var(--sp-4) 0;
  border-bottom:1px solid var(--border);
  font-size:var(--step-1); font-weight:500; font-family:var(--font-display);
}
.mobile-sub{ padding-left:var(--sp-4); display:none; }
.mobile-sub.open{ display:block; }
.mobile-sub a{ display:block; padding:var(--sp-3) 0; color:var(--text-muted); font-size:0.92rem; }

/* --------------------------------------------------------------------------
   7. FORMS
   -------------------------------------------------------------------------- */
.field{ display:flex; flex-direction:column; gap:var(--sp-2); margin-bottom:var(--sp-6); }
.field label{ font-size:0.82rem; font-weight:600; letter-spacing:0.01em; }
.field .hint{ font-size:0.78rem; color:var(--text-muted); }
.field input,
.field textarea,
.field select{
  width:100%;
  padding:0.85rem 1rem;
  background:var(--bg-raised);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  color:var(--text);
  transition:border-color var(--dur-fast), box-shadow var(--dur-fast);
}
.field textarea{ min-height:140px; resize:vertical; }
.field input:focus, .field textarea:focus, .field select:focus{
  outline:none;
  border-color:var(--signal);
  box-shadow:0 0 0 3px rgba(15,184,138,0.16);
}
.field-row{ display:grid; gap:var(--sp-4); grid-template-columns:1fr; }
@media (min-width:640px){ .field-row.cols-2{ grid-template-columns:1fr 1fr; } }

.choice-group{ display:grid; gap:var(--sp-3); grid-template-columns:repeat(auto-fill, minmax(220px,1fr)); }
.choice-card{
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:var(--sp-4);
  cursor:pointer;
  transition:border-color var(--dur-fast), background var(--dur-fast);
  display:flex; flex-direction:column; gap:4px;
}
.choice-card input{ position:absolute; opacity:0; pointer-events:none; }
.choice-card:hover{ border-color:var(--border-strong); }
.choice-card:has(input:checked){ border-color:var(--signal); background:rgba(15,184,138,0.06); }
.choice-card strong{ font-size:0.92rem; }
.choice-card span{ font-size:0.78rem; color:var(--text-muted); }

.form-progress{ display:flex; gap:var(--sp-2); margin-bottom:var(--sp-8); }
.form-progress i{ flex:1; height:3px; background:var(--border); border-radius:2px; }
.form-progress i.active{ background:var(--signal); }

/* --------------------------------------------------------------------------
   8. CARDS — service / project / industry / testimonial
   -------------------------------------------------------------------------- */
.card{
  background:var(--bg-raised);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  transition:transform var(--dur-med) var(--ease-out), box-shadow var(--dur-med) var(--ease-out), border-color var(--dur-med) var(--ease-out);
}
.card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-md); border-color:var(--border-strong); }

.service-card{
  padding:var(--sp-8);
  display:flex; flex-direction:column; gap:var(--sp-4);
  height:100%;
}
.service-card .idx{ font-family:var(--font-mono); font-size:0.78rem; color:var(--text-muted); }
.service-card .icon{ width:44px; height:44px; color:var(--signal); }
.service-card h3{ font-size:var(--step-2); }
.service-card .tags{ display:flex; flex-wrap:wrap; gap:var(--sp-2); margin-top:auto; padding-top:var(--sp-4); }
.tag{
  font-family:var(--font-mono);
  font-size:0.7rem;
  letter-spacing:0.04em;
  padding:0.3rem 0.6rem;
  border:1px solid var(--border);
  border-radius:20px;
  color:var(--text-muted);
}

.project-card{ overflow:hidden; display:flex; flex-direction:column; }
.project-card .thumb{
  aspect-ratio:16/10;
  position:relative; overflow:hidden;
  border-bottom:1px solid var(--border);
}
.project-card .thumb .blueprint-field{ opacity:0.5; }
.project-card .thumb-content{
  position:absolute; inset:0;
  display:flex; align-items:flex-end;
  padding:var(--sp-6);
  background:linear-gradient(180deg, transparent 40%, rgba(10,11,13,0.72));
}
.project-card .thumb-content span{ font-family:var(--font-mono); font-size:0.72rem; color:#fff; letter-spacing:0.06em; opacity:0.85; }
.project-card .body{ padding:var(--sp-6); display:flex; flex-direction:column; gap:var(--sp-3); flex:1; }
.project-card .meta{ display:flex; gap:var(--sp-3); flex-wrap:wrap; }
.project-card .stat-inline{ font-family:var(--font-mono); font-size:0.82rem; color:var(--signal); }

.industry-card{
  padding:var(--sp-6);
  display:flex; flex-direction:column; gap:var(--sp-3);
  height:100%;
}
.industry-card .icon{ width:36px; height:36px; color:var(--signal); margin-bottom:var(--sp-2); }
.industry-card h3{ font-size:var(--step-1); }
.industry-card p{ font-size:0.9rem; color:var(--text-muted); }

.testimonial-card{
  padding:var(--sp-8);
  display:flex; flex-direction:column; gap:var(--sp-6);
}
.testimonial-card .quote-mark{ font-family:var(--font-display); font-size:3rem; color:var(--signal); line-height:0.5; opacity:0.5; }
.testimonial-card blockquote{ font-size:var(--step-2); line-height:1.5; font-family:var(--font-display); font-weight:400; letter-spacing:-0.01em; }
.testimonial-card .person{ display:flex; align-items:center; gap:var(--sp-3); margin-top:auto; }
.person-mark{
  width:44px; height:44px; border-radius:50%;
  background:var(--ink-950); color:var(--paper-050);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-mono); font-size:0.85rem; font-weight:600;
}
.person .name{ font-weight:600; font-size:0.9rem; }
.person .role{ font-size:0.8rem; color:var(--text-muted); }

/* Glass variant — used sparingly, on dark/imagery surfaces only */
.glass{
  background:color-mix(in srgb, var(--bg-raised) 60%, transparent);
  backdrop-filter:blur(18px) saturate(160%);
  -webkit-backdrop-filter:blur(18px) saturate(160%);
  border:1px solid color-mix(in srgb, var(--border-strong) 60%, transparent);
}

/* --------------------------------------------------------------------------
   9. STATISTICS
   -------------------------------------------------------------------------- */
.stats-grid{
  display:grid; gap:var(--sp-8);
  grid-template-columns:repeat(2, 1fr);
}
@media (min-width:800px){ .stats-grid{ grid-template-columns:repeat(4, 1fr); } }
.stat{ display:flex; flex-direction:column; gap:var(--sp-1); border-left:1px solid var(--border); padding-left:var(--sp-5); }
.stat .value{
  font-family:var(--font-mono);
  font-size:clamp(1.9rem, 2.6vw, var(--step-5));
  font-weight:600;
  color:var(--signal);
  letter-spacing:-0.01em;
}
.stat .label{ font-size:0.85rem; color:var(--text-muted); }

/* Telemetry ticker */
.ticker{
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
  overflow:hidden;
  white-space:nowrap;
  background:var(--bg-raised);
}
.ticker-track{
  display:inline-flex;
  animation:ticker 32s linear infinite;
  padding-block:var(--sp-3);
}
.ticker-track span{
  font-family:var(--font-mono);
  font-size:0.8rem;
  color:var(--text-muted);
  margin-right:var(--sp-8);
  display:inline-flex; align-items:center; gap:var(--sp-2);
}
.ticker-track span b{ color:var(--signal); font-weight:600; }
@keyframes ticker{ from{ transform:translateX(0);} to{ transform:translateX(-50%);} }

/* --------------------------------------------------------------------------
   10. CTA SECTIONS
   -------------------------------------------------------------------------- */
.cta-section{
  background:linear-gradient(160deg, var(--ink-950) 0%, #121820 60%, #0F1C18 100%);
  color:var(--paper-050);
  border:1px solid rgba(255,255,255,0.06);
  border-radius:var(--radius-lg);
  padding:var(--sp-16) var(--sp-8);
  position:relative; overflow:hidden;
  isolation:isolate;
}
.cta-section .gradient-orb{
  position:absolute; width:520px; height:520px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(15,184,138,0.35), transparent 70%);
  filter:blur(40px);
  top:-220px; right:-160px;
  z-index:-1;
  animation:float-orb 12s ease-in-out infinite;
}
@keyframes float-orb{
  0%,100%{ transform:translate(0,0) scale(1); }
  50%{ transform:translate(-30px, 40px) scale(1.08); }
}
.cta-section h2{ color:var(--paper-050); }
.cta-section p{ color:color-mix(in srgb, var(--paper-050) 70%, transparent); }
.cta-actions{ display:flex; gap:var(--sp-4); flex-wrap:wrap; margin-top:var(--sp-8); }

/* --------------------------------------------------------------------------
   11. HERO / FLOATING GRADIENTS
   -------------------------------------------------------------------------- */
.hero{
  min-height:calc(92vh - var(--nav-h));
  display:flex; align-items:center;
  border-bottom:1px solid var(--border);
  overflow:hidden;
}
.hero-inner{ display:grid; gap:var(--sp-12); grid-template-columns:1fr; padding-block:var(--sp-24); position:relative; z-index:2; }
@media (min-width:980px){ .hero-inner{ grid-template-columns:1.15fr 0.85fr; align-items:center; } }
.hero h1{ margin-bottom:var(--sp-6); }
.hero .lede{ margin-bottom:var(--sp-8); }
.hero-actions{ display:flex; gap:var(--sp-4); flex-wrap:wrap; }

.orb{ position:absolute; border-radius:50%; filter:blur(60px); z-index:0; opacity:0.5; pointer-events:none; }
.orb-1{ width:460px; height:460px; background:radial-gradient(circle, rgba(15,184,138,0.28), transparent 70%); top:-120px; right:-80px; animation:float-orb 14s ease-in-out infinite; }
.orb-2{ width:360px; height:360px; background:radial-gradient(circle, rgba(62,123,255,0.18), transparent 70%); bottom:-100px; left:10%; animation:float-orb 18s ease-in-out infinite reverse; }

.hero-panel{
  position:relative;
  border-radius:var(--radius-lg);
  background:linear-gradient(160deg, var(--ink-950) 0%, #121820 60%, #0F1C18 100%);
  border:1px solid rgba(255,255,255,0.08);
  padding:var(--sp-6);
  box-shadow:var(--shadow-lg);
  /* Fixed dark control-room surface — same tone regardless of site theme.
     Overriding the tokens here means every child (net-node, borders, text)
     inherits the correct dark-on-dark values automatically. */
  --bg-raised:#141922;
  --border:rgba(255,255,255,0.08);
  --border-strong:rgba(255,255,255,0.18);
  --text:var(--paper-050);
  --text-muted:rgba(245,246,247,0.52);
  color:var(--text);
}
.hero-panel .panel-head{ display:flex; justify-content:space-between; align-items:center; margin-bottom:var(--sp-5); }
.hero-panel .dot-row{ display:flex; gap:6px; }
.hero-panel .dot-row span{ width:8px; height:8px; border-radius:50%; background:var(--border-strong); }
.hero-panel .dot-row span:first-child{ background:var(--signal); }
.hero-panel .row{ display:flex; justify-content:space-between; padding:var(--sp-3) 0; border-top:1px solid var(--border); font-family:var(--font-mono); font-size:0.82rem; }
.hero-panel .row:first-of-type{ border-top:none; }
.hero-panel .row .ok{ color:var(--signal); }
.hero-panel .row .warn{ color:var(--amber); }

/* --------------------------------------------------------------------------
   11b. HERO NETWORK DIAGRAM — process-flow schematic, not decorative FX
   -------------------------------------------------------------------------- */
.hero-network{ padding:var(--sp-5); display:flex; flex-direction:column; }
.net-node{
  background:var(--bg-raised);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:var(--sp-4) var(--sp-5);
}
.net-node-head{
  display:flex; align-items:center; gap:var(--sp-2);
  font-family:var(--font-mono); font-size:0.68rem; letter-spacing:0.06em;
  color:var(--text-muted); text-transform:uppercase;
  margin-bottom:var(--sp-3);
}
.net-node-head svg{ width:15px; height:15px; color:var(--signal); flex-shrink:0; }
.net-row{ display:flex; justify-content:space-between; gap:var(--sp-4); font-family:var(--font-mono); font-size:0.78rem; padding:2px 0; }
.net-row .ok{ color:var(--signal); }
.net-row .warn{ color:var(--amber); }
.net-node-pair{ display:grid; grid-template-columns:1fr 1fr; gap:var(--sp-3); }

/* ---- Top tier: PLC / HMI / SCADA, joined by a horizontal flow ---- */
.net-tier-top{ display:flex; flex-direction:column; gap:var(--sp-3); }
@media (min-width:560px){ .net-tier-top{ flex-direction:row; align-items:stretch; } }
.net-tier-top .net-node{ flex:1; min-width:0; }
.net-tier-top .net-node-head{ margin-bottom:var(--sp-2); }
.net-node-status{ font-family:var(--font-mono); font-size:0.72rem; color:var(--signal); }

/* ---- Central bus ---- */
.net-bus{ position:relative; display:flex; align-items:center; justify-content:center; margin:var(--sp-4) 0; }
.net-bus-line{ position:absolute; left:2%; right:2%; top:50%; height:1px; background:var(--border-strong); }
.net-bus-badge{
  position:relative; z-index:1; display:inline-flex; align-items:center; gap:6px;
  background:#141922; padding:5px 14px; border:1px solid var(--border-strong);
  border-radius:20px; font-family:var(--font-mono); font-size:0.66rem;
  text-transform:uppercase; letter-spacing:0.05em; color:var(--text-muted);
}
.net-bus-badge svg{ width:12px; height:12px; color:var(--signal); flex-shrink:0; }

/* ---- Bottom tier: 6 field-level systems dropping from the bus ---- */
.net-tier-bottom{ display:grid; grid-template-columns:repeat(2,1fr); gap:var(--sp-3); }
@media (min-width:560px){ .net-tier-bottom{ grid-template-columns:repeat(3,1fr); } }
.net-mini-col{ display:flex; flex-direction:column; align-items:center; min-width:0; }
.net-node-mini{ width:100%; padding:var(--sp-2) var(--sp-3); }
.net-node-mini .net-node-head{ font-size:0.6rem; margin-bottom:5px; gap:5px; }
.net-node-mini .net-node-head svg{ width:12px; height:12px; }
.net-node-mini .net-row{ font-size:0.6rem; padding:1.5px 0; gap:3px; }
.net-node-mini .net-row span:first-child{ color:var(--text-muted); overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.net-node-mini .net-row span:last-child{ flex-shrink:0; }

.net-connector{ position:relative; height:22px; width:2px; margin:0 auto; background:var(--border-strong); }
.net-connector.drop{ height:14px; }
.net-connector .packet{
  position:absolute; left:50%; top:0; width:7px; height:7px; margin-left:-3.5px;
  border-radius:50%; background:var(--signal);
  box-shadow:0 0 8px 1px rgba(15,184,138,0.65);
  opacity:0;
  animation:packet-travel 7.2s linear infinite;
  animation-delay:var(--d, 0s);
}
@keyframes packet-travel{
  0%{ top:0%; opacity:0; }
  2%{ opacity:1; }
  15%{ top:100%; opacity:1; }
  19%{ opacity:0; top:100%; }
  100%{ opacity:0; top:0%; }
}
.net-connector-h{ position:relative; height:2px; width:100%; min-width:20px; align-self:center; background:var(--border-strong); margin:var(--sp-2) 0; }
@media (min-width:560px){ .net-connector-h{ width:22px; margin:0; } }
.net-connector-h .packet{
  position:absolute; top:50%; left:0; width:7px; height:7px; margin-top:-3.5px;
  border-radius:50%; background:var(--signal);
  box-shadow:0 0 8px 1px rgba(15,184,138,0.65);
  opacity:0;
  animation:packet-travel-h 5.4s linear infinite;
  animation-delay:var(--d, 0s);
}
@keyframes packet-travel-h{
  0%{ left:0%; opacity:0; }
  2%{ opacity:1; }
  46%{ left:100%; opacity:1; }
  50%{ opacity:0; left:100%; }
  100%{ opacity:0; left:0%; }
}

.net-trend{ width:100%; height:26px; display:block; margin-top:var(--sp-2); }
.net-trend polyline{
  stroke-dasharray:150;
  stroke-dashoffset:150;
  animation:draw-trend 7.2s ease-in-out infinite;
}
@keyframes draw-trend{
  0%{ stroke-dashoffset:150; }
  50%{ stroke-dashoffset:0; }
  100%{ stroke-dashoffset:-150; }
}

.net-alarm{
  position:relative;
  display:inline-flex; align-items:center; gap:6px;
  font-family:var(--font-mono); font-size:0.72rem;
  padding:3px 10px; border-radius:20px;
  border:1px solid var(--border);
  overflow:hidden;
}
.net-alarm .dot{ width:6px; height:6px; border-radius:50%; background:var(--signal); flex-shrink:0; }
.net-alarm-state{
  position:absolute; inset:0; display:flex; align-items:center; gap:6px; padding:0 10px;
  opacity:0;
}
.net-alarm-state.state-normal{ position:static; opacity:1; animation:alarm-normal 7.2s linear infinite; }
.net-alarm-state.state-alert{ background:var(--bg-raised); color:var(--amber); animation:alarm-alert 7.2s linear infinite; }
.net-alarm-state.state-alert .dot{ background:var(--amber); }
@keyframes alarm-normal{
  0%,64%{ opacity:1; }
  68%,88%{ opacity:0; }
  94%,100%{ opacity:1; }
}
@keyframes alarm-alert{
  0%,64%{ opacity:0; }
  68%,88%{ opacity:1; }
  94%,100%{ opacity:0; }
}
@media (max-width:560px){
  .hero-network{ padding:var(--sp-4); }
  .net-node{ padding:var(--sp-3) var(--sp-4); }
  .net-bus-badge{ font-size:0.6rem; padding:4px 10px; }
}

/* --------------------------------------------------------------------------
   12. SCROLL REVEAL
   -------------------------------------------------------------------------- */
.reveal{ opacity:0; transform:translateY(24px); transition:opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out); }
.reveal.is-visible{ opacity:1; transform:translateY(0); }
.reveal-stagger > *{ transition-delay:calc(var(--i, 0) * 70ms); }

/* --------------------------------------------------------------------------
   13. UTILITY LAYOUT
   -------------------------------------------------------------------------- */
.grid{ display:grid; gap:var(--sp-8); }
.grid-2{ grid-template-columns:1fr; }
.grid-3{ grid-template-columns:1fr; }
.grid-4{ grid-template-columns:1fr; }
@media (min-width:700px){ .grid-2{ grid-template-columns:1fr 1fr; } .grid-4{ grid-template-columns:1fr 1fr; } }
@media (min-width:960px){ .grid-3{ grid-template-columns:repeat(3,1fr); } .grid-4{ grid-template-columns:repeat(4,1fr); } }

.section-head{ max-width:760px; margin-bottom:var(--sp-12); display:flex; flex-direction:column; gap:var(--sp-4); }
.section-head.center{ margin-inline:auto; text-align:center; align-items:center; }

.divider{ height:1px; background:var(--border); border:none; margin:0; }

.pill{
  display:inline-flex; align-items:center; gap:var(--sp-2);
  padding:0.35rem 0.8rem;
  border:1px solid var(--border);
  border-radius:20px;
  font-size:0.78rem;
  color:var(--text-muted);
}

/* --------------------------------------------------------------------------
   14. FOOTER
   -------------------------------------------------------------------------- */
.site-footer{ border-top:1px solid var(--border); padding-block:var(--sp-16) var(--sp-8); background:var(--bg-raised); }
.footer-top{ display:grid; gap:var(--sp-12); grid-template-columns:1.3fr repeat(3, 1fr); margin-bottom:var(--sp-16); }
@media (max-width:900px){ .footer-top{ grid-template-columns:1fr 1fr; } }
@media (max-width:560px){ .footer-top{ grid-template-columns:1fr; } }
.footer-col h4{ font-size:0.82rem; letter-spacing:0.06em; text-transform:uppercase; color:var(--text-muted); margin-bottom:var(--sp-4); font-family:var(--font-mono); font-weight:500; }
.footer-col a{ display:block; padding-block:var(--sp-2); font-size:0.92rem; color:var(--text); opacity:0.86; }
.footer-col a:hover{ opacity:1; color:var(--signal); }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:var(--sp-4); padding-top:var(--sp-8); border-top:1px solid var(--border); }
.footer-legal{ display:flex; gap:var(--sp-6); font-size:0.82rem; color:var(--text-muted); }
.footer-brand-line{ font-size:0.82rem; color:var(--text-muted); }
.social-row{ display:flex; gap:var(--sp-3); }
.social-row a{ width:36px; height:36px; border:1px solid var(--border); border-radius:var(--radius-md); display:flex; align-items:center; justify-content:center; }
.social-row a:hover{ border-color:var(--signal); color:var(--signal); }
.social-row svg{ width:16px; height:16px; }

/* --------------------------------------------------------------------------
   15. MISC PAGE PATTERNS (about/careers/contact)
   -------------------------------------------------------------------------- */
.page-hero{ padding-block:var(--sp-24) var(--sp-16); border-bottom:1px solid var(--border); position:relative; }
.page-hero .eyebrow{ margin-bottom:var(--sp-4); }
.breadcrumb{ font-family:var(--font-mono); font-size:0.78rem; color:var(--text-muted); margin-bottom:var(--sp-6); display:flex; gap:var(--sp-2); align-items:center; }

.timeline{ display:flex; flex-direction:column; }
.timeline-row{ display:grid; grid-template-columns:80px 1fr; gap:var(--sp-6); padding-block:var(--sp-8); border-top:1px solid var(--border); }
.timeline-row:first-child{ border-top:none; }
.timeline-row .yr{ font-family:var(--font-mono); color:var(--signal); font-weight:600; }

.value-row{ display:grid; grid-template-columns:56px 1fr; gap:var(--sp-5); padding-block:var(--sp-6); border-top:1px solid var(--border); }
.value-row:first-child{ border-top:none; }
.value-row .num{ font-family:var(--font-mono); color:var(--text-muted); font-size:0.9rem; }

.job-row{
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:var(--sp-4);
  padding:var(--sp-6); border:1px solid var(--border); border-radius:var(--radius-md); margin-bottom:var(--sp-4);
  transition:border-color var(--dur-fast), background var(--dur-fast);
}
.job-row:hover{ border-color:var(--signal); background:var(--bg-raised); }
.job-meta{ display:flex; gap:var(--sp-4); flex-wrap:wrap; font-size:0.82rem; color:var(--text-muted); }

.contact-method{ display:flex; gap:var(--sp-4); padding-block:var(--sp-5); border-top:1px solid var(--border); }
.contact-method:first-child{ border-top:none; }
.contact-method .icon{ width:20px; height:20px; color:var(--signal); flex-shrink:0; margin-top:2px; }

/* Logo strip */
.logo-strip{ display:flex; flex-wrap:wrap; gap:var(--sp-12); align-items:center; opacity:0.7; }
.logo-strip .logo-item{ font-family:var(--font-mono); font-size:0.85rem; letter-spacing:0.04em; color:var(--text-muted); }

/* Filter bar (projects page) */
.filter-bar{ display:flex; gap:var(--sp-3); flex-wrap:wrap; margin-bottom:var(--sp-12); }
.filter-chip{
  padding:0.5rem 1rem; border:1px solid var(--border); border-radius:20px;
  font-size:0.82rem; background:transparent; color:var(--text-muted);
  transition:all var(--dur-fast);
}
.filter-chip.active, .filter-chip:hover{ border-color:var(--signal); color:var(--signal); background:rgba(15,184,138,0.08); }

/* Case study detail block */
.case-block{ border-top:1px solid var(--border); padding-block:var(--sp-16); }
.case-grid{ display:grid; gap:var(--sp-8); grid-template-columns:1fr; }
@media (min-width:900px){ .case-grid{ grid-template-columns:220px 1fr; } }
.case-label{ font-family:var(--font-mono); font-size:0.78rem; letter-spacing:0.08em; text-transform:uppercase; color:var(--text-muted); }
.case-stack{ display:flex; flex-wrap:wrap; gap:var(--sp-2); }

::selection{ background:var(--signal); color:#04140F; }

@media (max-width:700px){
  .stats-grid{ grid-template-columns:repeat(2,1fr); gap:var(--sp-6); }
  .footer-top{ margin-bottom:var(--sp-8); }
}

/* --------------------------------------------------------------------------
   15. CONTENT-DISCLOSURE NOTE (case studies) & FOUNDER'S NOTE
   -------------------------------------------------------------------------- */
.disclosure-note{
  display:flex; gap:var(--sp-3); align-items:flex-start;
  padding:var(--sp-4) var(--sp-5);
  border:1px solid var(--border);
  border-left:3px solid var(--signal);
  border-radius:var(--radius-md);
  background:var(--bg-raised);
  font-size:0.86rem;
  color:var(--text-muted);
  margin-top:var(--sp-6);
}
.disclosure-note svg{ width:18px; height:18px; color:var(--signal); flex-shrink:0; margin-top:2px; }

.founder-note{
  padding:var(--sp-8);
  display:grid; gap:var(--sp-8);
  grid-template-columns:1fr;
  align-items:center;
}
@media (min-width:800px){ .founder-note{ grid-template-columns:200px 1fr; } }
.founder-note .founder-mark{
  width:88px; height:88px; border-radius:50%;
  background:var(--ink-950); color:var(--paper-050);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-mono); font-size:1.4rem; font-weight:600;
  margin-inline:auto;
}
.founder-note blockquote{
  font-family:var(--font-display); font-size:var(--step-2); line-height:1.5;
  font-weight:400; letter-spacing:-0.01em; margin-bottom:var(--sp-4);
}
.founder-note .name{ font-weight:600; font-size:0.94rem; }
.founder-note .role{ font-size:0.82rem; color:var(--text-muted); }

/* --------------------------------------------------------------------------
   16. CAREERS — NOT CURRENTLY HIRING
   -------------------------------------------------------------------------- */
.hiring-status{
  display:flex; align-items:center; gap:var(--sp-4);
  padding:var(--sp-6); border:1px dashed var(--border-strong); border-radius:var(--radius-md);
  margin-bottom:var(--sp-8);
}
.hiring-status .status-dot{ width:10px; height:10px; border-radius:50%; background:var(--text-muted); flex-shrink:0; }

/* --------------------------------------------------------------------------
   17. SERVICE DIAGRAMS — animated line drawings, not stock icons
   -------------------------------------------------------------------------- */
.service-diagram{ width:100%; height:64px; display:block; margin-bottom:var(--sp-2); }
.service-diagram path, .service-diagram polyline, .service-diagram rect, .service-diagram circle{
  vector-effect:non-scaling-stroke;
}

/* PLC — ladder logic drawing itself in, on loop */
.diagram-ladder .rung{
  stroke-dasharray:120; stroke-dashoffset:120;
  animation:draw-line 6s var(--ease-in-out) infinite;
}
.diagram-ladder .contact{ opacity:0; animation:blink-contact 6s linear infinite; }
@keyframes draw-line{
  0%{ stroke-dashoffset:120; }
  35%,100%{ stroke-dashoffset:0; }
}
@keyframes blink-contact{
  0%,8%{ opacity:0; }
  12%,90%{ opacity:1; }
  96%,100%{ opacity:0; }
}

/* SCADA — HMI screen with a moving level readout */
.diagram-hmi .tank-level{
  animation:tank-fill 6s var(--ease-in-out) infinite;
  transform-origin:bottom;
}
@keyframes tank-fill{
  0%,100%{ transform:scaleY(0.4); }
  50%{ transform:scaleY(0.85); }
}
.diagram-hmi .sweep{
  stroke-dasharray:80; stroke-dashoffset:80;
  animation:draw-line 6s var(--ease-in-out) infinite;
}

/* NETWORKING — packets moving across a bus line */
.diagram-network .bus{ stroke-dasharray:160; stroke-dashoffset:160; animation:draw-line 6s var(--ease-in-out) infinite; }
.diagram-network .pkt{
  offset-path:path("M4,32 H92");
  animation:net-pkt 3s linear infinite;
}
@keyframes net-pkt{
  0%{ offset-distance:0%; opacity:0; }
  6%{ opacity:1; }
  94%{ opacity:1; }
  100%{ offset-distance:100%; opacity:0; }
}

/* CYBERSECURITY — shield/firewall pulse */
.diagram-firewall .shield{ stroke-dasharray:140; stroke-dashoffset:140; animation:draw-line 6s var(--ease-in-out) infinite; }
.diagram-firewall .pulse{
  animation:shield-pulse 6s var(--ease-in-out) infinite;
  transform-origin:center;
}
@keyframes shield-pulse{
  0%,40%{ opacity:0.25; transform:scale(0.9); }
  55%{ opacity:1; transform:scale(1); }
  75%,100%{ opacity:0.25; transform:scale(0.9); }
}