/* =========================================================
   Info Computech — design tokens
   Palette: cool slate/ink base, copper "signal" accent
   (nods to structured cabling & signal lighting — the
   company's own material world — rather than a generic
   warm/terracotta or dark/neon default)
   ========================================================= */
:root{
  --ink:        #0D141F;   /* near-black navy, headers/nav/dark sections */
  --ink-soft:   #1B2636;   /* lighter panel on dark */
  --paper:      #EEF0F2;   /* cool neutral background */
  --paper-hi:   #FFFFFF;   /* card surfaces */
  --steel:      #48586C;   /* secondary text on light */
  --steel-soft: #8895A6;   /* tertiary text / muted */
  --line:       #D6DAE1;   /* hairline borders on light */
  --line-dark:  #2B384A;   /* hairline borders on dark */
  --signal:     #C8842B;   /* copper/amber accent */
  --signal-hi:  #E4A24A;   /* hover state */
  --teal:       #1F6F6B;   /* secondary accent */

  --font-display: 'Space Grotesk', sans-serif;
  --font-body:    'IBM Plex Sans', sans-serif;
  --font-mono:    'IBM Plex Mono', monospace;

  --maxw: 1180px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ font-family:var(--font-display); margin:0 0 .5em; line-height:1.15; font-weight:600; }
p{ margin:0 0 1em; }
.container{ max-width:var(--maxw); margin:0 auto; padding:0 28px; }

.eyebrow{
  font-family:var(--font-mono);
  font-size:.75rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--signal);
  display:inline-flex;
  align-items:center;
  gap:.5em;
  margin-bottom:.9em;
}
.eyebrow::before{
  content:"";
  width:18px; height:1px;
  background:var(--signal);
  display:inline-block;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:.6em;
  font-family:var(--font-mono);
  font-size:.85rem;
  letter-spacing:.03em;
  padding:.85em 1.5em;
  border-radius:2px;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
}
.btn-primary{ background:var(--signal); color:var(--ink); }
.btn-primary:hover{ background:var(--signal-hi); transform:translateY(-1px); }
.btn-ghost{ border-color:var(--line-dark); color:var(--paper-hi); }
.btn-ghost:hover{ border-color:var(--signal); color:var(--signal); }
.btn-outline{ border-color:var(--steel); color:var(--ink); }
.btn-outline:hover{ border-color:var(--signal); color:var(--signal); }

/* ---------- header / nav ---------- */
.site-header{
  position:sticky; top:0; z-index:100;
  background:var(--ink);
  border-bottom:1px solid var(--line-dark);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  height:78px;
}
.logo{
  font-family:var(--font-display);
  color:var(--paper-hi);
  font-size:1.15rem;
  font-weight:700;
  letter-spacing:.01em;
  display:flex; align-items:baseline; gap:.4em;
}
.logo span{ color:var(--signal); }
.nav-links{ display:flex; gap:2.2rem; }
.nav-links a{
  font-family:var(--font-mono);
  font-size:.82rem;
  letter-spacing:.04em;
  color:var(--steel-soft);
  text-transform:uppercase;
  position:relative;
  padding:.3em 0;
  transition:color .15s ease;
}
.nav-links a:hover, .nav-links a.active{ color:var(--paper-hi); }
.nav-links a.active::after{
  content:""; position:absolute; left:0; right:0; bottom:-4px;
  height:2px; background:var(--signal);
}
.nav-cta{ display:flex; align-items:center; gap:1.4rem; }
.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:var(--paper-hi); }

/* ---------- footer ---------- */
.site-footer{ background:var(--ink); color:var(--steel-soft); padding:64px 0 28px; margin-top:120px; }
.footer-grid{
  display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px;
  padding-bottom:40px; border-bottom:1px solid var(--line-dark);
}
.footer-grid h4{ color:var(--paper-hi); font-size:.85rem; font-family:var(--font-mono); text-transform:uppercase; letter-spacing:.08em; margin-bottom:1.1em;}
.footer-grid p{ font-size:.92rem; color:var(--steel-soft); }
.footer-grid li{ margin-bottom:.6em; font-size:.92rem; }
.footer-grid a:hover{ color:var(--signal); }
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center;
  padding-top:24px; font-size:.8rem; font-family:var(--font-mono); color:var(--steel-soft);
  flex-wrap:wrap; gap:10px;
}

/* ---------- generic sections ---------- */
section{ padding:96px 0; }
.section-tight{ padding:64px 0; }
.section-head{ max-width:640px; margin-bottom:56px; }
.section-head h2{ font-size:clamp(1.8rem,3vw,2.5rem); }
.section-head p{ color:var(--steel); font-size:1.05rem; }
.dark{ background:var(--ink); color:var(--paper-hi); }
.dark .section-head p{ color:var(--steel-soft); }
.dark h2, .dark h3{ color:var(--paper-hi); }

/* page hero (non-home) */
.page-hero{ background:var(--ink); color:var(--paper-hi); padding:80px 0 64px; }
.page-hero h1{ font-size:clamp(2.2rem,4vw,3.2rem); max-width:760px; }
.page-hero p{ color:var(--steel-soft); max-width:600px; font-size:1.08rem; }
.crumb{ font-family:var(--font-mono); font-size:.78rem; color:var(--steel-soft); text-transform:uppercase; letter-spacing:.06em; margin-bottom:1.4em;}
.crumb span{ color:var(--signal); }

/* ---------- cards ---------- */
.card{
  background:var(--paper-hi); border:1px solid var(--line);
  padding:32px 28px; border-radius:2px;
  transition:border-color .2s ease, transform .2s ease;
}
.card:hover{ border-color:var(--signal); transform:translateY(-3px); }
.card .num{ font-family:var(--font-mono); color:var(--signal); font-size:.8rem; margin-bottom:1em; display:block; }
.card h3{ font-size:1.2rem; }
.card p{ color:var(--steel); font-size:.95rem; margin-bottom:0;}

.grid-2{ display:grid; grid-template-columns:1fr 1fr; gap:28px; }
.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:28px; }
.grid-4{ display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }

/* tag / brand chips */
.chip-row{ display:flex; flex-wrap:wrap; gap:10px; }
.chip{
  font-family:var(--font-mono); font-size:.8rem; padding:.5em 1em;
  border:1px solid var(--line); border-radius:2px; color:var(--steel);
  background:var(--paper-hi);
}
.dark .chip{ border-color:var(--line-dark); color:var(--steel-soft); background:transparent; }

/* divider */
.hr{ height:1px; background:var(--line); border:none; margin:0; }
.dark .hr{ background:var(--line-dark); }

/* ---------- hero network diagram (home signature) ---------- */
.hero{
  background:var(--ink); color:var(--paper-hi);
  padding:100px 0 60px;
  position:relative; overflow:hidden;
}
.hero-grid{ display:grid; grid-template-columns:1.1fr 1fr; gap:40px; align-items:center; }
.hero h1{ font-size:clamp(2.4rem,4.4vw,3.6rem); }
.hero .lede{ color:var(--steel-soft); font-size:1.12rem; max-width:520px; }
.hero-actions{ display:flex; gap:16px; margin-top:2em; flex-wrap:wrap; }
.stat-row{ display:flex; gap:40px; margin-top:60px; flex-wrap:wrap; }
.stat b{ font-family:var(--font-display); font-size:2rem; display:block; color:var(--paper-hi); }
.stat span{ font-family:var(--font-mono); font-size:.75rem; color:var(--steel-soft); text-transform:uppercase; letter-spacing:.06em; }

.net-line{ stroke:var(--line-dark); stroke-width:1.4; fill:none; }
.net-line.active{ stroke:var(--signal); stroke-dasharray:6 6; animation:dash 3.2s linear infinite; }
@keyframes dash{ to{ stroke-dashoffset:-120; } }
.net-node circle{ fill:var(--ink-soft); stroke:var(--line-dark); stroke-width:1; }
.net-node.hub circle{ fill:var(--signal); stroke:none; }
.net-node text{ font-family:var(--font-mono); font-size:10px; fill:var(--steel-soft); }
.net-node.hub text{ fill:var(--ink); font-weight:700; }

/* value / service icon */
.icon-badge{
  width:44px; height:44px; border:1px solid var(--line);
  display:flex; align-items:center; justify-content:center;
  margin-bottom:1.2em; color:var(--signal); border-radius:2px;
}
.dark .icon-badge{ border-color:var(--line-dark); }

/* CTA band */
.cta-band{
  background:var(--ink); color:var(--paper-hi);
  padding:64px 0; text-align:center;
}
.cta-band h2{ font-size:clamp(1.6rem,3vw,2.2rem); margin-bottom:.4em; }
.cta-band p{ color:var(--steel-soft); margin-bottom:1.6em; }

/* contact form */
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.field{ display:flex; flex-direction:column; gap:.5em; margin-bottom:20px; }
.field label{ font-family:var(--font-mono); font-size:.78rem; text-transform:uppercase; letter-spacing:.06em; color:var(--steel); }
.field input, .field textarea, .field select{
  font-family:var(--font-body); font-size:.98rem;
  padding:.85em 1em; border:1px solid var(--line); background:var(--paper-hi);
  border-radius:2px; color:var(--ink);
}
.field input:focus, .field textarea:focus, .field select:focus{
  outline:2px solid var(--signal); outline-offset:1px; border-color:var(--signal);
}
.field.full{ grid-column:1 / -1; }

.info-strip{ display:flex; gap:32px; flex-wrap:wrap; }
.info-strip .item{ min-width:200px; }
.info-strip .item h4{ font-family:var(--font-mono); font-size:.78rem; text-transform:uppercase; color:var(--signal); letter-spacing:.06em; margin-bottom:.5em; }

/* ---------- responsive ---------- */
@media (max-width:920px){
  .grid-3{ grid-template-columns:repeat(2,1fr); }
  .grid-4{ grid-template-columns:repeat(2,1fr); }
  .hero-grid{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
}
@media (max-width:720px){
  .nav-links{
    position:absolute; top:78px; left:0; right:0;
    background:var(--ink); flex-direction:column; gap:0;
    border-top:1px solid var(--line-dark);
    max-height:0; overflow:hidden; transition:max-height .25s ease;
  }
  .nav-links.open{ max-height:400px; }
  .nav-links a{ padding:1em 28px; display:block; border-bottom:1px solid var(--line-dark); }
  .nav-toggle{ display:flex; }
  .nav-cta .btn-ghost{ display:none; }
  .grid-2, .grid-3, .grid-4{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr; gap:28px; }
  .form-grid{ grid-template-columns:1fr; }
  section{ padding:64px 0; }
  .stat-row{ gap:24px; }
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  .net-line.active{ animation:none; }
  .card, .btn{ transition:none; }
}