/* ==========================================================================
   RUSH KARAT — Design System
   Palette:  --ink #0B0B0C   --paper #F5F3EF   --charcoal #1C1C1E
             --line #D8D4CC  --line-dark #3A3A3C
             --brass #A99A78 (restrained metallic accent)
             --paper-dim #EBE8E1
   Type:     Display  — "Fraunces"        (editorial serif, headlines)
             Body     — "Inter"           (grotesk, body/nav)
             Utility  — "IBM Plex Mono"    (eyebrows, labels, data)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,300;9..144,400;9..144,500;9..144,600&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --ink:#0B0B0C;
  --paper:#F5F3EF;
  --paper-dim:#EBE8E1;
  --charcoal:#1C1C1E;
  --line:#D8D4CC;
  --line-dark:#3A3A3C;
  --brass:#A99A78;
  --brass-dim:#8B7E62;
  --white:#FAFAF8;

  --font-display:'Fraunces', 'Iowan Old Style', serif;
  --font-body:'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:'IBM Plex Mono', 'SF Mono', monospace;

  --max:1240px;
  --gutter:clamp(24px, 5vw, 64px);
  --ease:cubic-bezier(.2,.8,.2,1);
}

*{margin:0;padding:0;box-sizing:border-box;}

html{scroll-behavior:smooth;}

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

body{
  background:var(--ink);
  color:var(--paper);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{max-width:100%; display:block;}
a{color:inherit; text-decoration:none;}
button{font:inherit; cursor:pointer; background:none; border:none; color:inherit;}
ul{list-style:none;}

::selection{background:var(--brass); color:var(--ink);}

:focus-visible{
  outline:2px solid var(--brass);
  outline-offset:3px;
}

.wrap{
  max-width:var(--max);
  margin:0 auto;
  padding-left:var(--gutter);
  padding-right:var(--gutter);
}

/* ---------- Typography ---------- */

.eyebrow{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--brass);
  display:flex;
  align-items:center;
  gap:10px;
}
.eyebrow::before{
  content:'';
  width:16px;
  height:1px;
  background:var(--brass);
  display:inline-block;
}

h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:500;
  letter-spacing:-.01em;
  line-height:1.05;
}

h1{font-size:clamp(2.6rem, 6vw, 5.6rem); font-weight:400;}
h2{font-size:clamp(2rem, 4vw, 3.4rem);}
h3{font-size:clamp(1.3rem, 2.2vw, 1.8rem); font-weight:500;}

p{color:#C9C6BF;}
.lede{font-size:clamp(1.05rem, 1.6vw, 1.3rem); color:#D9D6CE; line-height:1.55; max-width:640px;}

.text-ink{color:var(--ink);}

/* ---------- Header / Nav ---------- */

.site-header{
  position:fixed;
  top:0; left:0; right:0;
  z-index:200;
  background:rgba(11,11,12,.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:transform .4s var(--ease);
}
.site-header.hide{transform:translateY(-100%);}

.nav-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:78px;
}

.logo{
  font-family:var(--font-display);
  font-size:1.15rem;
  letter-spacing:.02em;
  font-weight:500;
  white-space:nowrap;
}
@media (max-width:420px){
  .logo{font-size:1rem;}
}
.logo span{color:var(--brass);}

.nav-desktop{
  display:flex;
  align-items:center;
  gap:36px;
}

.nav-item{position:relative;}

.nav-link{
  font-size:13.5px;
  letter-spacing:.02em;
  color:#CFCCC4;
  padding:8px 0;
  display:flex;
  align-items:center;
  gap:6px;
  transition:color .2s;
}
.nav-link:hover, .nav-link.active{color:var(--white);}
.nav-item:hover .chev{transform:rotate(180deg);}
.chev{width:9px; height:9px; transition:transform .25s var(--ease); opacity:.6;}

.dropdown{
  position:absolute;
  top:100%;
  left:-16px;
  min-width:250px;
  background:var(--charcoal);
  border:1px solid rgba(255,255,255,.08);
  padding:10px;
  opacity:0;
  visibility:hidden;
  transform:translateY(6px);
  transition:opacity .2s var(--ease), transform .2s var(--ease);
}
.nav-item:hover .dropdown{opacity:1; visibility:visible; transform:translateY(0);}
.dropdown a{
  display:block;
  padding:12px 14px;
  font-size:13.5px;
  color:#D9D6CE;
  border-radius:2px;
}
.dropdown a:hover{background:rgba(255,255,255,.06); color:var(--white);}

.nav-cta{
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.1em;
  text-transform:uppercase;
  border:1px solid rgba(255,255,255,.28);
  padding:11px 20px;
  transition:background .25s, border-color .25s, color .25s;
  white-space:nowrap;
}
.nav-cta:hover{background:var(--paper); border-color:var(--paper); color:var(--ink);}

.nav-toggle{
  display:none;
  width:26px; height:20px;
  position:relative;
}
.nav-toggle span{
  position:absolute; left:0; width:100%; height:1px; background:var(--paper);
  transition:transform .3s var(--ease), opacity .3s var(--ease), top .3s var(--ease);
}
.nav-toggle span:nth-child(1){top:0;}
.nav-toggle span:nth-child(2){top:9px;}
.nav-toggle span:nth-child(3){top:18px;}
.nav-toggle.open span:nth-child(1){top:9px; transform:rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){top:9px; transform:rotate(-45deg);}

.mobile-nav{
  position:fixed;
  inset:0;
  background:var(--ink);
  z-index:190;
  padding:110px var(--gutter) 40px;
  display:flex;
  flex-direction:column;
  gap:0;
  transform:translateY(-100%);
  transition:transform .45s var(--ease);
  overflow-y:auto;
}
.mobile-nav.open{transform:translateY(0);}
.mobile-nav a{
  font-family:var(--font-display);
  font-size:1.9rem;
  padding:16px 0;
  border-bottom:1px solid rgba(255,255,255,.09);
  color:var(--paper);
}
.mobile-nav .m-sub{
  padding-left:18px;
  display:flex;
  flex-direction:column;
}
.mobile-nav .m-sub a{
  font-family:var(--font-body);
  font-size:1.05rem;
  color:#B9B6AE;
  padding:12px 0;
  border-bottom:none;
}
.mobile-nav .m-cta{
  margin-top:30px;
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.1em;
  text-transform:uppercase;
  border:1px solid rgba(255,255,255,.3);
  padding:16px;
  text-align:center;
}

@media (max-width:900px){
  .nav-desktop{display:none;}
  .nav-toggle{display:block;}
}

/* ---------- Buttons ---------- */

.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.1em;
  text-transform:uppercase;
  padding:16px 28px;
  border:1px solid var(--paper);
  transition:background .25s var(--ease), color .25s var(--ease), border-color .25s;
}
.btn-primary{background:var(--paper); color:var(--ink);}
.btn-primary:hover{background:var(--brass); border-color:var(--brass);}
.btn-ghost{background:transparent; color:var(--paper);}
.btn-ghost:hover{background:rgba(255,255,255,.08);}
.btn-arrow{transition:transform .25s var(--ease);}
.btn:hover .btn-arrow{transform:translateX(4px);}

.btn-row{display:flex; gap:16px; flex-wrap:wrap;}

/* ---------- Layout sections ---------- */

section{position:relative;}

.section{padding:130px 0;}
.section-tight{padding:90px 0;}
@media (max-width:700px){
  .section{padding:88px 0;}
  .section-tight{padding:64px 0;}
}

.section-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:40px;
  margin-bottom:64px;
  border-bottom:1px solid rgba(255,255,255,.1);
  padding-bottom:32px;
}
.section-head h2{max-width:640px;}
.section-head .lede{margin-bottom:0; padding-bottom:6px;}

@media (max-width:800px){
  .section-head{flex-direction:column; align-items:flex-start; gap:20px;}
}

.divider{height:1px; background:rgba(255,255,255,.1); width:100%;}

/* ---------- Hero ---------- */

.hero{
  min-height:100vh;
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding-top:140px;
  padding-bottom:80px;
  position:relative;
  overflow:hidden;
}

.hero-inner{position:relative; z-index:2;}

.hero .eyebrow{margin-bottom:28px;}

.hero h1{margin-bottom:30px;}
.hero h1 .line{display:block;}
.hero h1 .accent{color:var(--brass);}

.hero-foot{
  margin-top:56px;
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  flex-wrap:wrap;
  gap:32px;
}

.signal-wrap{
  position:absolute;
  inset:0;
  z-index:1;
  opacity:.55;
  pointer-events:none;
}
#signal-canvas{width:100%; height:100%;}

.page-hero{
  min-height:62vh;
  padding-top:160px;
  padding-bottom:70px;
}

/* ---------- Grid components ---------- */

.grid-3{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:1px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.1);
}
.grid-2{
  display:grid;
  grid-template-columns:repeat(2, 1fr);
  gap:1px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.1);
}
@media (max-width:860px){
  .grid-3, .grid-2{grid-template-columns:1fr;}
}

.card{
  background:var(--ink);
  padding:44px 38px;
  position:relative;
  transition:background .3s var(--ease);
}
.card:hover{background:#111113;}
.card .num{
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--brass);
  letter-spacing:.1em;
  margin-bottom:26px;
  display:block;
}
.card h3{margin-bottom:14px;}
.card p{font-size:.95rem;}
.card ul{margin-top:20px; display:flex; flex-direction:column; gap:9px;}
.card ul li{
  font-size:.85rem;
  color:#ADAAA2;
  padding-left:16px;
  position:relative;
}
.card ul li::before{
  content:'';
  position:absolute; left:0; top:.55em;
  width:5px; height:1px; background:var(--brass);
}

/* Service / capability list rows */
.service-list{border-top:1px solid rgba(255,255,255,.1);}
.service-row{
  display:grid;
  grid-template-columns:60px 1fr auto;
  gap:24px;
  align-items:center;
  padding:30px 0;
  border-bottom:1px solid rgba(255,255,255,.1);
  transition:padding-left .3s var(--ease);
}
.service-row:hover{padding-left:14px;}
.service-row .idx{font-family:var(--font-mono); font-size:12px; color:var(--brass);}
.service-row h4{font-family:var(--font-display); font-weight:500; font-size:1.25rem;}
.service-row .desc{color:#A9A69F; font-size:.9rem; max-width:420px; text-align:right;}
@media (max-width:700px){
  .service-row{grid-template-columns:40px 1fr; row-gap:10px;}
  .service-row .desc{grid-column:2; text-align:left;}
}

/* Process steps */
.process{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:1px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.1);
  margin:20px 0 10px;
}
.process-step{
  background:var(--ink);
  padding:34px 24px;
}
.process-step .pnum{
  font-family:var(--font-mono);
  color:var(--brass);
  font-size:12px;
  margin-bottom:18px;
  display:block;
}
.process-step h4{font-size:1rem; letter-spacing:.03em; text-transform:uppercase; font-family:var(--font-mono); font-weight:500; margin-bottom:10px;}
.process-step p{font-size:.85rem;}
@media (max-width:900px){.process{grid-template-columns:1fr;}}

.flow-line{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:14px;
  font-family:var(--font-mono);
  font-size:clamp(.85rem, 2vw, 1.05rem);
  letter-spacing:.05em;
  text-transform:uppercase;
  color:var(--white);
}
.flow-line .arrow{color:var(--brass);}

/* Big stat/claim strip */
.strip{
  border-top:1px solid rgba(255,255,255,.1);
  border-bottom:1px solid rgba(255,255,255,.1);
  padding:70px 0;
}
.strip h2{max-width:900px;}

/* CTA band */
.cta-band{
  background:var(--paper);
  color:var(--ink);
  padding:110px 0;
}
.cta-band h2{color:var(--ink); margin-bottom:20px;}
.cta-band p{color:#54524B;}
.cta-band .btn-primary{border-color:var(--ink); background:var(--ink); color:var(--paper);}
.cta-band .btn-primary:hover{background:var(--brass-dim); border-color:var(--brass-dim); color:var(--white);}
.cta-band .btn-ghost{border-color:var(--ink); color:var(--ink);}
.cta-band .btn-ghost:hover{background:rgba(0,0,0,.06);}

.cta-band-flex{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:40px;
  flex-wrap:wrap;
}

/* Insights / articles */
.article-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:1px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.1);
}
@media (max-width:800px){.article-grid{grid-template-columns:1fr;}}
.article-card{
  background:var(--ink);
  padding:44px 38px;
  transition:background .3s;
}
.article-card:hover{background:#111113;}
.article-card .eyebrow{margin-bottom:22px;}
.article-card h3{margin-bottom:14px; font-size:1.35rem;}
.article-card p{font-size:.9rem;}
.article-meta{margin-top:24px; font-family:var(--font-mono); font-size:11px; color:#7D7A72; letter-spacing:.08em; text-transform:uppercase;}

/* Sector tags */
.sector-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.1);
}
@media (max-width:800px){.sector-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:520px){.sector-grid{grid-template-columns:1fr;}}
.sector-item{
  background:var(--ink);
  padding:32px 28px;
  font-family:var(--font-mono);
  font-size:.85rem;
  letter-spacing:.04em;
  text-transform:uppercase;
  color:#D2CFC7;
  display:flex;
  align-items:center;
  justify-content:space-between;
  transition:background .3s;
}
.sector-item:hover{background:#111113; color:var(--white);}

/* Values / about grid */
.value-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:48px 40px;
}
@media (max-width:800px){.value-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:560px){.value-grid{grid-template-columns:1fr;}}
.value-item .num{font-family:var(--font-mono); font-size:12px; color:var(--brass); display:block; margin-bottom:16px;}
.value-item h4{font-family:var(--font-display); font-size:1.2rem; font-weight:500; margin-bottom:10px;}
.value-item p{font-size:.88rem;}

/* Two column with vertical rule */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:80px;
}
@media (max-width:860px){.split{grid-template-columns:1fr; gap:40px;}}

/* Placeholder note */
.placeholder-note{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.05em;
  color:var(--brass-dim);
  border:1px dashed rgba(169,154,120,.5);
  padding:14px 16px;
  margin-top:10px;
  display:inline-block;
}

/* ---------- Forms ---------- */

.form-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:26px 30px;
}
.form-grid .full{grid-column:1 / -1;}
@media (max-width:700px){.form-grid{grid-template-columns:1fr;}}

.field label{
  display:block;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:#9C998F;
  margin-bottom:10px;
}
.field input,
.field select,
.field textarea{
  width:100%;
  background:transparent;
  border:none;
  border-bottom:1px solid rgba(255,255,255,.25);
  color:var(--white);
  font-family:var(--font-body);
  font-size:1rem;
  padding:12px 2px;
  transition:border-color .25s;
}
.field select{
  appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23A99A78'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 4px center;
}
.field select option{background:var(--charcoal); color:var(--white);}
.field input::placeholder, .field textarea::placeholder{color:#66645D;}
.field input:focus, .field select:focus, .field textarea:focus{border-color:var(--brass);}
.field textarea{resize:vertical; min-height:110px;}

.form-foot{
  margin-top:44px;
  display:flex;
  align-items:center;
  gap:24px;
  flex-wrap:wrap;
}

.form-note{font-size:.8rem; color:#7D7A72;}

.form-status{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.05em;
  padding-top:6px;
}
.form-status.success{color:#9AB08A;}
.form-status.error{color:#C4837A;}

.urgent-box{
  border:1px solid rgba(196,131,122,.5);
  background:rgba(196,131,122,.06);
  padding:30px 32px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:24px;
  flex-wrap:wrap;
  margin-top:60px;
}
.urgent-box h4{font-family:var(--font-display); font-weight:500; font-size:1.15rem; margin-bottom:6px;}
.urgent-box p{font-size:.85rem;}
.urgent-box .btn{border-color:#C4837A;}
.urgent-box .btn:hover{background:#C4837A; border-color:#C4837A; color:var(--ink);}

/* Contact info list */
.contact-info{display:flex; flex-direction:column; gap:26px;}
.contact-info .ci-item .eyebrow{margin-bottom:10px;}
.contact-info .ci-item a, .contact-info .ci-item div.val{font-family:var(--font-display); font-size:1.3rem; color:var(--white);}
.contact-info .ci-item a:hover{color:var(--brass);}

/* ---------- Footer ---------- */

.site-footer{
  background:var(--charcoal);
  border-top:1px solid rgba(255,255,255,.08);
  padding:90px 0 34px;
}
.footer-top{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:70px;
}
@media (max-width:900px){.footer-top{grid-template-columns:1fr 1fr; row-gap:50px;}}
@media (max-width:560px){.footer-top{grid-template-columns:1fr;}}

.footer-brand .logo{display:block; margin-bottom:20px;}
.footer-brand p{max-width:280px; font-size:.9rem;}

.footer-col h5{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:#8B887F;
  margin-bottom:20px;
}
.footer-col a, .footer-col span{
  display:block;
  font-size:.92rem;
  color:#C9C6BF;
  padding-bottom:13px;
  transition:color .2s;
}
.footer-col a:hover{color:var(--brass);}

.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding-top:28px;
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:14px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.04em;
  color:#6E6C64;
}

/* ---------- Reveal animation ---------- */

.reveal{
  opacity:0;
  transform:translateY(24px);
  transition:opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.in{opacity:1; transform:translateY(0);}

/* Skip link */
.skip-link{
  position:absolute;
  left:-999px;
  top:0;
  background:var(--paper);
  color:var(--ink);
  padding:10px 16px;
  z-index:999;
}
.skip-link:focus{left:16px; top:16px;}