/* ============================================================
   KRUSH SOFTWARE — design tokens
   Palette: ink navy / cool paper / steel / signal teal / trace amber
   Type: Space Grotesk (display) + IBM Plex Sans (body) + IBM Plex Mono (utility/data)
   Signature: schematic "trace" motif — nodes + right-angle connectors,
   literalizing systems/data integration across hero, dividers, cards.
   ============================================================ */

:root{
  --ink:        #0E1E2B;
  --ink-soft:   #16293A;
  --paper:      #EEF2F1;
  --paper-hi:   #FFFFFF;
  --steel:      #3E5568;
  --steel-soft: #6B8091;
  --teal:       #1E40AF;  /* brand blue, from logo */
  --teal-dim:   #152F80;  /* darker brand blue for hover/text-on-light */
  --amber:      #E02260;  /* brand crimson, from logo */
  --blue-light: #6E8EEA; /* lighter blue tint, for legibility on dark backgrounds */
  --line:       rgba(14,30,43,0.12);
  --line-dark:  rgba(238,242,241,0.16);

  --font-display: 'Space Grotesk', 'Arial Narrow', sans-serif;
  --font-body:    'IBM Plex Sans', -apple-system, sans-serif;
  --font-mono:    'IBM Plex Mono', ui-monospace, monospace;

  --max: 1160px;
  --pad: clamp(20px, 5vw, 64px);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;}
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:600;
  line-height:1.08;
  margin:0 0 .5em;
  letter-spacing:-0.01em;
}
p{margin:0 0 1em;}
.container{max-width:var(--max);margin:0 auto;padding:0 var(--pad);}

/* focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:2px solid var(--teal);
  outline-offset:3px;
}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important;}
}

/* ---------- eyebrow / mono labels ---------- */
.eyebrow{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--teal-dim);
  display:flex;
  align-items:center;
  gap:.6em;
  margin-bottom:.9em;
}
.eyebrow::before{
  content:"";
  width:7px;height:7px;
  background:var(--teal);
  display:inline-block;
  border-radius:1px;
  transform:rotate(45deg);
}
.eyebrow.on-dark{color:#A9C0F5;}

/* ---------- nav ---------- */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(238,242,241,0.92);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px var(--pad);
  max-width:var(--max); margin:0 auto;
}
.brand{
  display:flex; align-items:center; gap:.6em;
  font-family:var(--font-display); font-weight:700; font-size:19px;
  text-decoration:none; color:var(--ink);
}
.brand-logo{height:34px; width:auto; display:block; flex:none;}
.brand-word{line-height:1.15;}
.brand-slash{color:var(--teal);}
.brand small{
  font-family:var(--font-mono); font-weight:400; font-size:10px;
  color:var(--steel-soft); letter-spacing:.1em;
}
.nav-links{
  display:flex; gap:28px; list-style:none; margin:0; padding:0;
  font-family:var(--font-mono); font-size:13px; letter-spacing:.02em;
}
.nav-links a{
  text-decoration:none; color:var(--steel); position:relative; padding:4px 0;
}
.nav-links a:hover, .nav-links a[aria-current="page"]{color:var(--ink);}
.nav-links a[aria-current="page"]::after{
  content:""; position:absolute; left:0; right:0; bottom:-2px; height:2px; background:var(--teal);
}
.nav-cta{
  font-family:var(--font-mono); font-size:12.5px;
  padding:9px 16px; border:1px solid var(--ink); border-radius:2px;
  text-decoration:none; color:var(--ink); white-space:nowrap;
  transition:background .15s, color .15s;
}
.nav-cta:hover{background:var(--ink); color:var(--paper);}
.nav-toggle{display:none;}

@media (max-width: 860px){
  .nav-links{display:none;}
  .nav-toggle{
    display:block; background:none; border:1px solid var(--line); border-radius:2px;
    font-family:var(--font-mono); font-size:12px; padding:8px 12px; color:var(--ink);
  }
  .nav-cta{display:none;}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:.5em;
  font-family:var(--font-mono); font-size:13.5px; letter-spacing:.02em;
  padding:13px 22px; border-radius:2px; text-decoration:none;
  border:1px solid transparent; cursor:pointer; transition:transform .15s, background .15s, border-color .15s;
}
.btn-primary{background:var(--teal); color:#fff;}
.btn-primary:hover{background:var(--teal-dim);}
.btn-ghost{border-color:var(--line-dark); color:inherit;}
.btn-ghost.on-light{border-color:var(--line);}
.btn-ghost:hover{border-color:var(--teal); color:var(--teal-dim);}
.btn::after{content:"→"; transition:transform .15s;}
.btn:hover::after{transform:translateX(3px);}
.btn-row{display:flex; gap:14px; flex-wrap:wrap;}

/* ---------- hero (dark ink section) ---------- */
.hero{
  background:var(--ink); color:var(--paper);
  padding:88px var(--pad) 64px;
  position:relative; overflow:hidden;
}
.hero-inner{
  max-width:var(--max); margin:0 auto;
  display:grid; grid-template-columns:1.1fr 1fr; gap:48px; align-items:center;
}
.hero h1{font-size:clamp(32px, 4.4vw, 52px); color:#fff;}
.hero .lede{font-size:18px; color:#C6D3D8; max-width:46ch;}
.hero-trust{
  margin-top:34px; display:flex; flex-wrap:wrap; gap:10px;
  font-family:var(--font-mono); font-size:11.5px;
}
.chip{
  border:1px solid var(--line-dark); border-radius:2px;
  padding:6px 10px; color:#AEC2C9; white-space:nowrap;
}
.chip strong{color:#fff; font-weight:500;}
@media (max-width: 860px){
  .hero-inner{grid-template-columns:1fr;}
}

/* ---------- schematic svg ---------- */
.hero-visual{
  position:relative;
  background:
    radial-gradient(circle at 50% 42%, rgba(110,142,234,0.22), rgba(110,142,234,0) 62%),
    linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
  border:1px solid rgba(255,255,255,0.10);
  border-radius:10px;
  padding:clamp(16px, 3vw, 32px);
}
.schematic{width:100%; height:auto; overflow:visible;}
.schematic .trace{
  fill:none; stroke:var(--blue-light); stroke-width:2.5; stroke-dasharray:6 5; opacity:.95;
  stroke-dashoffset:0; animation:dash 22s linear infinite;
  filter:drop-shadow(0 0 3px rgba(110,142,234,0.55));
}
.schematic .trace.amber{
  stroke:var(--amber);
  filter:drop-shadow(0 0 3px rgba(224,34,96,0.55));
}
.schematic .node-ring{fill:rgba(255,255,255,0.04); stroke:#7E93A6; stroke-width:1.3;}
.schematic .node-dot{fill:var(--blue-light); filter:drop-shadow(0 0 5px rgba(110,142,234,0.85));}
.schematic .node-dot.hub{fill:var(--amber); filter:drop-shadow(0 0 7px rgba(224,34,96,0.85));}
.schematic text{font-family:var(--font-mono); font-size:11px; font-weight:500; fill:#D6DEE4; letter-spacing:.06em;}
.schematic text.hub-label{fill:#fff; font-size:12px; font-weight:600;}
@keyframes dash{to{stroke-dashoffset:-180;}}

/* thin section divider using the trace motif */
.trace-rule{
  display:flex; align-items:center; gap:10px;
  color:var(--steel-soft); margin:0 0 40px;
}
.trace-rule::before, .trace-rule::after{
  content:""; height:1px; background:var(--line); flex:1;
}
.trace-rule .node{
  width:6px; height:6px; background:var(--teal); border-radius:1px; transform:rotate(45deg);
  flex:none;
}

/* ---------- generic sections ---------- */
section{padding:76px var(--pad);}
section.tight{padding:52px var(--pad);}
.section-head{max-width:640px; margin-bottom:44px;}
.section-head h2{font-size:clamp(24px,3vw,34px);}
.section-head p{color:var(--steel); font-size:16.5px;}

.bg-paper-hi{background:var(--paper-hi);}
.bg-ink{background:var(--ink); color:var(--paper);}
.bg-ink h2, .bg-ink h3{color:#fff;}
.bg-ink p{color:#C6D3D8;}
.bg-steel-line{border-top:1px solid var(--line); border-bottom:1px solid var(--line);}

/* ---------- cards / grids ---------- */
.grid{display:grid; gap:22px;}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
@media (max-width:960px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:640px){
  .grid-4, .grid-3, .grid-2{grid-template-columns:1fr;}
}

.card{
  background:var(--paper-hi);
  border:1px solid var(--line);
  border-radius:3px;
  padding:26px 24px;
  position:relative;
}
.card .num{
  font-family:var(--font-mono); font-size:11px; color:var(--teal-dim);
  display:block; margin-bottom:14px;
}
.card h3{font-size:18px; margin-bottom:.4em;}
.card p{color:var(--steel); font-size:14.5px; margin-bottom:0;}
.card.on-ink{background:var(--ink-soft); border-color:var(--line-dark);}
.card.on-ink p{color:#B9C7CD;}
.card.on-ink h3{color:#fff;}

/* service row (services page) */
.svc-row{
  display:grid; grid-template-columns:64px 1fr; gap:22px;
  padding:30px 0; border-top:1px solid var(--line);
}
.svc-row:last-child{border-bottom:1px solid var(--line);}
.svc-row .idx{font-family:var(--font-mono); color:var(--teal-dim); font-size:13px; padding-top:4px;}
.svc-row h3{font-size:20px; margin-bottom:.35em;}
.svc-row p{color:var(--steel); margin-bottom:0; max-width:64ch;}
@media (max-width:640px){
  .svc-row{grid-template-columns:1fr; gap:6px;}
}

/* badges / trust bar */
.trustbar{
  background:var(--paper-hi); border-top:1px solid var(--line); border-bottom:1px solid var(--line);
  padding:18px var(--pad);
}
.trustbar-inner{
  max-width:var(--max); margin:0 auto;
  display:flex; flex-wrap:wrap; gap:12px 30px; align-items:center; justify-content:center;
  font-family:var(--font-mono); font-size:12.5px; color:var(--steel);
}
.trustbar-inner strong{color:var(--ink); font-weight:600;}
.trustbar-inner .sep{color:var(--line);}

/* pull quote / why-us */
.why{
  display:grid; grid-template-columns:1fr 1.4fr; gap:48px; align-items:start;
}
@media (max-width:860px){.why{grid-template-columns:1fr;}}

/* CTA band */
.cta-band{
  background:var(--ink); color:#fff; text-align:center; padding:70px var(--pad);
}
.cta-band h2{color:#fff; font-size:clamp(24px,3.4vw,36px);}
.cta-band .btn-row{justify-content:center; margin-top:22px;}

/* footer */
.site-footer{
  background:var(--ink); color:#9FB2BA; padding:48px var(--pad) 28px;
  font-size:13.5px; border-top:1px solid var(--line-dark);
}
.footer-inner{max-width:var(--max); margin:0 auto;}
.footer-top{
  display:flex; justify-content:space-between; gap:32px; flex-wrap:wrap;
  padding-bottom:28px; border-bottom:1px solid var(--line-dark); margin-bottom:20px;
}
.footer-brand{font-family:var(--font-display); color:#fff; font-size:17px; font-weight:700;}
.footer-links{display:flex; gap:24px; flex-wrap:wrap; font-family:var(--font-mono); font-size:12.5px;}
.footer-links a{text-decoration:none; color:#9FB2BA;}
.footer-links a:hover{color:#fff;}
.footer-cols{display:flex; gap:60px; flex-wrap:wrap; margin-bottom:24px;}
.footer-cols h4{font-family:var(--font-mono); font-size:11.5px; letter-spacing:.1em; text-transform:uppercase; color:#6B8091; margin-bottom:12px;}
.footer-cols ul{list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:8px;}
.footer-cols a{text-decoration:none; color:#B9C7CD; font-size:13.5px;}
.footer-cols a:hover{color:#fff;}
.footer-fine{font-family:var(--font-mono); font-size:11.5px; color:#5A7280; line-height:1.7;}

/* ---------- page hero (interior pages, lighter) ---------- */
.page-hero{
  padding:64px var(--pad) 48px; background:var(--paper-hi); border-bottom:1px solid var(--line);
}
.page-hero .eyebrow{margin-bottom:14px;}
.page-hero h1{font-size:clamp(28px,4vw,44px); max-width:20ch;}
.page-hero .lede{color:var(--steel); font-size:17px; max-width:62ch;}

/* breadcrumb-ish path label */
.path-label{
  font-family:var(--font-mono); font-size:11.5px; color:var(--steel-soft); letter-spacing:.05em;
  margin-bottom:18px;
}
.path-label a{text-decoration:none; color:var(--steel-soft);}
.path-label a:hover{color:var(--teal-dim);}

/* checklist */
.checklist{list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:14px;}
.checklist li{display:flex; gap:12px; align-items:flex-start;}
.checklist .mark{
  font-family:var(--font-mono); color:var(--teal); flex:none; margin-top:2px;
}

/* two-col text */
.split{display:grid; grid-template-columns:1fr 1fr; gap:48px;}
@media (max-width:860px){.split{grid-template-columns:1fr;}}

/* contact form */
.form-grid{display:grid; gap:16px;}
.field label{
  display:block; font-family:var(--font-mono); font-size:12px; letter-spacing:.05em;
  color:var(--steel); margin-bottom:6px; text-transform:uppercase;
}
.field input, .field textarea{
  width:100%; font-family:var(--font-body); font-size:15px;
  padding:12px 14px; border:1px solid var(--line); border-radius:2px;
  background:var(--paper-hi); color:var(--ink);
}
.field textarea{min-height:130px; resize:vertical;}
.field input:focus, .field textarea:focus{outline:2px solid var(--teal); outline-offset:1px;}

.form-status{
  margin-top:12px; font-size:13px; color:var(--steel); min-height:1.4em;
}
.form-status.is-success{color:var(--teal-dim); font-weight:500;}
.form-status.is-error{color:var(--amber); font-weight:500;}

.contact-panel{
  background:var(--ink-soft); color:#fff; border-radius:3px; padding:30px;
}
.contact-panel h3{color:#fff;}
.contact-panel p{color:#B9C7CD;}
.contact-panel .btn-ghost{border-color:var(--line-dark); color:#fff; margin-top:10px;}

/* status note (capability statement, etc.) */
.note{
  border-left:2px solid var(--amber); padding:14px 18px; background:rgba(224,34,96,0.06);
  font-size:14.5px; color:var(--steel); border-radius:0 3px 3px 0;
}

.mono{font-family:var(--font-mono);}
.center{text-align:center;}
.mt-0{margin-top:0;}