/* =========================================================
   VERSATILE ARMS — design tokens
   Charcoal/gunmetal base, brass accent, oxblood for compliance
   Big Shoulders Display (headlines) / IBM Plex Sans (body) / IBM Plex Mono (specs)
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Big+Shoulders+Display:wght@500;600;700;800&family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  --ink-0:#0F1113;
  --ink-1:#15171A;
  --ink-2:#1D2024;
  --ink-3:#2A2E34;
  --steel:#4C5D6E;
  --steel-dim:#39434C;
  --brass:#B8935A;
  --brass-bright:#D4AD73;
  --paper:#EDEAE3;
  --paper-dim:#A9A69E;
  --oxblood:#7A2530;
  --oxblood-bright:#9C3240;
  --hairline: rgba(184,147,90,0.25);
  --hairline-dim: rgba(237,234,227,0.1);

  --display: 'Big Shoulders Display', sans-serif;
  --body: 'IBM Plex Sans', sans-serif;
  --mono: 'IBM Plex Mono', monospace;

  --wrap: 1180px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink-1);
  color:var(--paper);
  font-family:var(--body);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{
  font-family:var(--display);
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:0.01em;
  margin:0 0 0.5em;
  line-height:0.98;
  color:var(--paper);
}
p{margin:0 0 1.1em;color:var(--paper-dim);}
.container{max-width:var(--wrap);margin:0 auto;padding:0 32px;}

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

/* ---------- utility ---------- */
.eyebrow{
  font-family:var(--mono);
  font-size:0.72rem;
  letter-spacing:0.22em;
  text-transform:uppercase;
  color:var(--brass);
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:1.1em;
}
.eyebrow::before{
  content:"";
  width:28px;height:1px;
  background:var(--brass);
  display:inline-block;
}
.rule{
  border:none;
  border-top:1px solid var(--hairline);
  margin:0;
}
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--mono);
  font-size:0.8rem;
  letter-spacing:0.1em;
  text-transform:uppercase;
  padding:15px 28px;
  border:1px solid var(--brass);
  color:var(--paper);
  background:transparent;
  transition:background 0.2s ease, color 0.2s ease, border-color .2s ease;
  cursor:pointer;
}
.btn:hover{background:var(--brass);color:var(--ink-0);}
.btn.solid{background:var(--brass);color:var(--ink-0);}
.btn.solid:hover{background:var(--brass-bright);border-color:var(--brass-bright);}
.btn:focus-visible, a:focus-visible, button:focus-visible{
  outline:2px solid var(--brass-bright);
  outline-offset:3px;
}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(15,17,19,0.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--hairline-dim);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 32px;
  max-width:var(--wrap);margin:0 auto;
}
.brand{
  font-family:var(--display);
  font-size:1.5rem;
  font-weight:700;
  letter-spacing:0.03em;
  text-transform:uppercase;
  display:flex;align-items:center;gap:10px;
}
.brand .mark{
  width:10px;height:10px;
  background:var(--brass);
  transform:rotate(45deg);
  flex-shrink:0;
}
.brand small{
  display:block;
  font-family:var(--mono);
  font-size:0.6rem;
  letter-spacing:0.2em;
  color:var(--brass);
  text-transform:uppercase;
  font-weight:400;
}
nav.main-nav{display:flex;gap:36px;}
nav.main-nav a{
  font-family:var(--mono);
  font-size:0.78rem;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--paper-dim);
  padding:6px 0;
  border-bottom:1px solid transparent;
  transition:color .2s ease, border-color .2s ease;
}
nav.main-nav a:hover, nav.main-nav a.active{
  color:var(--brass-bright);
  border-color:var(--brass);
}
.nav-toggle{display:none;background:none;border:1px solid var(--hairline);color:var(--paper);padding:8px 12px;font-family:var(--mono);}

@media (max-width:860px){
  nav.main-nav{
    position:fixed;inset:73px 0 0 0;
    background:var(--ink-0);
    flex-direction:column;
    padding:32px;
    gap:0;
    transform:translateY(-110%);
    transition:transform .3s ease;
    z-index:99;
  }
  nav.main-nav.open{transform:translateY(0);}
  nav.main-nav a{padding:16px 0;border-bottom:1px solid var(--hairline-dim);width:100%;}
  .nav-toggle{display:block;}
}

/* ---------- hero ---------- */
.hero{
  position:relative;
  padding:120px 0 90px;
  overflow:hidden;
  background:
    radial-gradient(ellipse 900px 500px at 85% -10%, rgba(184,147,90,0.08), transparent 60%),
    var(--ink-1);
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:
    linear-gradient(var(--hairline-dim) 1px, transparent 1px),
    linear-gradient(90deg, var(--hairline-dim) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(to bottom, black, transparent 75%);
  pointer-events:none;
}
.hero-inner{position:relative;max-width:var(--wrap);margin:0 auto;padding:0 32px;}
.hero h1{
  font-size:clamp(2.6rem, 6.5vw, 5.2rem);
  max-width:14ch;
  margin-bottom:0.35em;
}
.hero h1 em{
  font-style:normal;
  color:var(--brass);
}
.hero .lede{
  font-size:1.15rem;
  max-width:52ch;
  color:var(--paper-dim);
  margin-bottom:2.2em;
}
.hero-ctas{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:3.5em;}

/* authorization ledger — signature element */
.ledger{
  border:1px solid var(--hairline);
  background:linear-gradient(180deg, rgba(184,147,90,0.04), transparent);
}
.ledger-head{
  display:flex;justify-content:space-between;align-items:center;
  padding:14px 22px;
  border-bottom:1px solid var(--hairline);
  font-family:var(--mono);font-size:0.7rem;letter-spacing:0.15em;text-transform:uppercase;
  color:var(--brass);
}
.ledger-grid{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
}
.ledger-item{
  padding:22px;
  border-right:1px solid var(--hairline);
  position:relative;
}
.ledger-item:last-child{border-right:none;}
.ledger-item .num{
  font-family:var(--mono);
  font-size:0.7rem;
  color:var(--steel);
  display:block;
  margin-bottom:10px;
}
.ledger-item strong{
  display:block;
  font-family:var(--display);
  font-size:1.05rem;
  text-transform:uppercase;
  letter-spacing:0.01em;
  color:var(--paper);
  line-height:1.15;
}
@media (max-width:760px){
  .ledger-grid{grid-template-columns:1fr 1fr;}
  .ledger-item{border-bottom:1px solid var(--hairline);}
}
@media (max-width:480px){
  .ledger-grid{grid-template-columns:1fr;}
}

/* ---------- image placeholder ---------- */
.ph{
  position:relative;
  background:
    repeating-linear-gradient(135deg, var(--ink-3) 0 2px, var(--ink-2) 2px 14px);
  border:1px solid var(--hairline);
  display:flex;align-items:center;justify-content:center;
  min-height:260px;
  overflow:hidden;
}
.ph::after{
  content:"";
  position:absolute;inset:0;
  border:1px solid var(--hairline-dim);
  margin:10px;
  pointer-events:none;
}
.ph-label{
  font-family:var(--mono);
  font-size:0.7rem;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--brass);
  background:var(--ink-1);
  border:1px solid var(--hairline);
  padding:8px 16px;
  text-align:center;
  max-width:80%;
}
.ph.square{aspect-ratio:1/1;min-height:0;}
.ph.wide{aspect-ratio:16/10;min-height:0;}
.ph.tall{aspect-ratio:3/4;min-height:0;}

/* ---------- sections ---------- */
section{padding:100px 0;}
section.tight{padding:70px 0;}
.section-head{max-width:640px;margin-bottom:3.5em;}
.section-head h2{font-size:clamp(2rem, 4vw, 2.9rem);}
.on-ink-2{background:var(--ink-2);}
.on-ink-0{background:var(--ink-0);}

.two-col{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  align-items:center;
}
@media (max-width:860px){
  .two-col{grid-template-columns:1fr;gap:36px;}
}

.stat-row{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--hairline);
  border-bottom:1px solid var(--hairline);
}
.stat{
  padding:32px 28px;
  border-right:1px solid var(--hairline);
}
.stat:last-child{border-right:none;}
.stat .n{
  font-family:var(--display);
  font-size:3rem;
  color:var(--brass);
  line-height:1;
  display:block;
  margin-bottom:8px;
}
.stat .l{
  font-family:var(--mono);
  font-size:0.72rem;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--paper-dim);
}
@media (max-width:700px){
  .stat-row{grid-template-columns:1fr;}
  .stat{border-right:none;border-bottom:1px solid var(--hairline);}
}

/* pillars / capability cards */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--hairline);border:1px solid var(--hairline);}
.pillar{background:var(--ink-1);padding:40px 32px;}
.pillar .num{font-family:var(--mono);color:var(--steel);font-size:0.85rem;display:block;margin-bottom:22px;}
.pillar h3{font-size:1.5rem;margin-bottom:0.6em;}
.pillar p{margin:0;font-size:0.95rem;}
@media (max-width:860px){.grid-3{grid-template-columns:1fr;}}

/* checklist */
.checklist{list-style:none;margin:0;padding:0;}
.checklist li{
  display:flex;gap:14px;
  padding:16px 0;
  border-bottom:1px solid var(--hairline-dim);
  color:var(--paper);
  font-size:1rem;
}
.checklist li:first-child{padding-top:0;}
.checklist li::before{
  content:"";
  flex-shrink:0;
  width:9px;height:9px;
  margin-top:7px;
  background:var(--brass);
  transform:rotate(45deg);
}

/* product / capability listing (spec-sheet style) */
.spec-block{
  border:1px solid var(--hairline);
  margin-bottom:1px;
}
.spec-head{
  display:grid;
  grid-template-columns:90px 1fr auto;
  align-items:center;
  gap:24px;
  padding:26px 28px;
  cursor:pointer;
  background:var(--ink-2);
}
.spec-head .idx{
  font-family:var(--display);
  font-size:2.2rem;
  color:var(--brass);
  line-height:1;
}
.spec-head h3{margin:0;font-size:1.5rem;}
.spec-head .chev{
  font-family:var(--mono);
  color:var(--steel);
  transition:transform .2s ease;
}
.spec-body{
  padding:0 28px;
  max-height:0;
  overflow:hidden;
  transition:max-height .35s ease, padding .35s ease;
}
.spec-body-inner{padding:6px 0 30px;border-top:1px solid var(--hairline-dim);}
.spec-body-inner p{margin-top:20px;}
.spec-block.open .spec-body{max-height:500px;padding:0 28px;}
.spec-block.open .chev{transform:rotate(180deg);}
.spec-block.open .spec-head{background:var(--ink-3);}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.tag{
  font-family:var(--mono);
  font-size:0.72rem;
  letter-spacing:0.06em;
  text-transform:uppercase;
  color:var(--brass);
  border:1px solid var(--hairline);
  padding:6px 12px;
}

/* compliance / notice banner */
.notice{
  border-left:3px solid var(--oxblood-bright);
  background:rgba(122,37,48,0.08);
  padding:24px 28px;
  display:flex;gap:18px;
}
.notice .flag{
  font-family:var(--mono);
  color:var(--oxblood-bright);
  font-size:0.72rem;
  letter-spacing:0.15em;
  text-transform:uppercase;
  flex-shrink:0;
  padding-top:2px;
}
.notice p{margin:0;color:var(--paper);font-size:0.95rem;}

/* legal doc pages */
.legal h2{font-size:1.5rem;margin-top:2em;color:var(--brass-bright);}
.legal p{color:var(--paper);}
.legal .effdate{font-family:var(--mono);color:var(--brass);font-size:0.82rem;letter-spacing:0.05em;}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--hairline);border:1px solid var(--hairline);}
.contact-panel{background:var(--ink-1);padding:48px;}
.field{margin-bottom:22px;}
.field label{
  display:block;font-family:var(--mono);font-size:0.72rem;letter-spacing:0.1em;
  text-transform:uppercase;color:var(--brass);margin-bottom:10px;
}
.field input, .field textarea{
  width:100%;background:var(--ink-2);border:1px solid var(--hairline);
  color:var(--paper);padding:14px 16px;font-family:var(--body);font-size:0.95rem;
}
.field textarea{resize:vertical;min-height:120px;}
.field input:focus, .field textarea:focus{outline:2px solid var(--brass);outline-offset:0;}
.info-item{display:flex;gap:18px;padding:20px 0;border-bottom:1px solid var(--hairline-dim);}
.info-item:first-child{padding-top:0;}
.info-item .k{font-family:var(--mono);font-size:0.7rem;letter-spacing:0.1em;text-transform:uppercase;color:var(--steel);width:90px;flex-shrink:0;padding-top:2px;}
.info-item .v{color:var(--paper);}
.info-item a{color:var(--brass-bright);}

/* footer */
footer{
  border-top:1px solid var(--hairline);
  padding:64px 0 32px;
  background:var(--ink-0);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr;
  gap:48px;
  margin-bottom:48px;
}
.footer-col h4{
  font-family:var(--mono);
  font-size:0.72rem;
  letter-spacing:0.15em;
  text-transform:uppercase;
  color:var(--brass);
  margin-bottom:1.2em;
}
.footer-col a, .footer-col p{
  display:block;
  color:var(--paper-dim);
  font-size:0.92rem;
  margin-bottom:0.7em;
}
.footer-col a:hover{color:var(--brass-bright);}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:28px;border-top:1px solid var(--hairline-dim);
  font-family:var(--mono);font-size:0.72rem;color:var(--paper-dim);
  letter-spacing:0.03em;
  flex-wrap:wrap;gap:16px;
}
@media (max-width:760px){
  .footer-grid{grid-template-columns:1fr;gap:32px;}
}

/* CTA band */
.cta-band{
  padding:80px 0;
  background:linear-gradient(135deg, var(--ink-2), var(--ink-0));
  border-top:1px solid var(--hairline);
  border-bottom:1px solid var(--hairline);
  text-align:center;
}
.cta-band h2{font-size:clamp(1.8rem,4vw,2.6rem);max-width:20ch;margin:0 auto 0.5em;}
.cta-band p{max-width:46ch;margin:0 auto 1.8em;}
.cta-band .hero-ctas{justify-content:center;margin-bottom:0;}

/* page header (interior pages) */
.page-header{padding:170px 0 60px;border-bottom:1px solid var(--hairline);position:relative;overflow:hidden;}
.page-header::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(var(--hairline-dim) 1px, transparent 1px),linear-gradient(90deg, var(--hairline-dim) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 700px 300px at 20% 0%, black, transparent 70%);
  pointer-events:none;
}
.page-header h1{font-size:clamp(2.2rem,5vw,3.6rem);position:relative;}
.crumb{font-family:var(--mono);font-size:0.72rem;letter-spacing:0.1em;text-transform:uppercase;color:var(--steel);margin-bottom:1.4em;position:relative;}
.crumb a{color:var(--steel);}
.crumb a:hover{color:var(--brass);}