:root{
  --ink:#12211D;
  --paper:#EEF1EC;
  --panel:#E3E8E1;
  --parchment:#F4F6F2;
  --brass:#B5522A;
  --brick:#1E7A6F;
  --slate:#5C6B63;
  --hair: rgba(18,33,29,0.14);
  --hair-strong: rgba(18,33,29,0.28);
  --serif: 'Space Grotesk', sans-serif;
  --sans: 'IBM Plex Sans', sans-serif;
  --mono: 'IBM Plex Mono', monospace;
}
*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit; text-decoration:none;}
img{max-width:100%; display:block;}
.wrap{max-width:1180px; margin:0 auto; padding:0 32px;}
@media(max-width:640px){ .wrap{padding:0 20px;} }

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

/* ---------- NAV ---------- */
header{
  position:sticky; top:0; z-index:50;
  background:rgba(238,241,236,0.92);
  backdrop-filter: blur(8px);
  border-bottom:1px solid var(--hair);
}
nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:20px 32px; max-width:1180px; margin:0 auto; gap:24px;
}
.hamburger-btn {
  display:none;
  background:none;
  border:none;
  font-size:24px;
  cursor:pointer;
  color:var(--ink);
  padding:8px;
}
.logo{
  font-family:var(--serif); font-size:20px; font-weight:600;
  letter-spacing:-0.01em; display:flex; align-items:center; gap:10px; flex:none;
}
/* Coupling glyph: two nodes joined at a coupling point -- the signature motif */
.logo-mark{
  width:24px; height:16px; position:relative; flex:none;
}
.logo-mark::before, .logo-mark::after{
  content:""; position:absolute; top:2px; width:9px; height:12px;
  border:1.5px solid var(--ink); border-radius:3px;
}
.logo-mark::before{ left:0; }
.logo-mark::after{ right:0; border-color:var(--brass); }
.logo-mark .joint{
  position:absolute; left:50%; top:50%; width:5px; height:5px;
  background:var(--brass); border-radius:1px; transform:translate(-50%,-50%) rotate(45deg);
}
.nav-links{display:flex; gap:32px; font-size:14px; color:var(--slate); font-weight:500;}
.nav-links a{margin-right:32px;}
.nav-links a:last-child{margin-right:0;}
.nav-links a:hover{color:var(--ink);}
.nav-links a.active{color:var(--brass);}
.nav-cta{
  font-size:14px; font-weight:600; padding:10px 20px; border:1px solid var(--ink);
  color:var(--ink); transition:all .15s ease; white-space:nowrap;
}
.nav-cta:hover{background:var(--ink); color:var(--paper);}
@media(max-width:860px){
  .hamburger-btn {
    display:block;
  }
  .nav-cta {
    display:none;
  }
  .nav-links {
    position:fixed !important;
    top:60px;
    left:0;
    right:0;
    bottom:0;
    width:100%;
    height:calc(100vh - 60px);
    background:var(--paper);
    flex-direction:column !important;
    gap:0 !important;
    padding:0 !important;
    margin:0 !important;
    display:none !important;
    z-index:999;
    overflow-y:auto;
    border-top:1px solid var(--hair);
  }
  .nav-links.active {
    display:flex !important;
  }
  .nav-links a, .nav-dropdown > a {
    padding:16px 20px;
    border-bottom:1px solid var(--hair);
    margin:0 !important;
    display:block;
    font-size:15px;
  }
  .nav-dropdown {
    width:100%;
    position:static;
  }
  .nav-menu {
    position:static !important;
    display:none !important;
    border:none !important;
    background:var(--panel) !important;
    box-shadow:none !important;
    min-width:auto !important;
    margin:0 !important;
    border-radius:0 !important;
    z-index:auto !important;
    width:100%;
  }
  .nav-menu.active {
    display:block !important;
  }
  .nav-menu a {
    padding:12px 40px !important;
    font-size:14px !important;
    border-bottom:1px solid var(--hair-strong) !important;
  }
}

/* ---------- HERO ---------- */
.hero{
  padding:84px 0 96px;
  border-bottom:1px solid var(--hair);
  position:relative;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute; top:0; right:0; width:520px; height:100%;
  background-image:url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%20480%20480'%3E%3Crect%20x='60'%20y='50'%20width='96'%20height='66'%20rx='12'%20fill='none'%20stroke='%2312211D'%20stroke-opacity='0.10'%20stroke-width='2'/%3E%3Crect%20x='300'%20y='340'%20width='96'%20height='66'%20rx='12'%20fill='none'%20stroke='%2312211D'%20stroke-opacity='0.10'%20stroke-width='2'/%3E%3Cpath%20d='M156%2083%20L220%2083%20L220%20373%20L300%20373'%20fill='none'%20stroke='%2312211D'%20stroke-opacity='0.10'%20stroke-width='2'/%3E%3Crect%20x='210'%20y='218'%20width='20'%20height='20'%20fill='%23B5522A'%20fill-opacity='0.30'%20transform='rotate(45%20220%20228)'/%3E%3Ccircle%20cx='106'%20cy='118'%20r='3'%20fill='%2312211D'%20fill-opacity='0.18'/%3E%3Ccircle%20cx='348'%20cy='406'%20r='3'%20fill='%2312211D'%20fill-opacity='0.18'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right center;
  background-size:480px 480px;
  pointer-events:none;
}
.hero-grid{
  display:grid; grid-template-columns:1.15fr 0.85fr; gap:64px; align-items:start;
  position:relative;
}
@media(max-width:900px){ .hero-grid{grid-template-columns:1fr;} .hero::before{opacity:0.5;} }

.eyebrow{
  font-family:var(--mono); font-size:12px; letter-spacing:0.1em; text-transform:uppercase;
  color:var(--brass); display:flex; align-items:center; gap:9px; margin-bottom:22px;
}
.eyebrow::before{content:""; width:14px; height:1.5px; background:var(--brass);}

.hero h1{
  font-family:var(--serif); font-weight:600; font-size:clamp(32px, 4.4vw, 54px);
  line-height:1.1; letter-spacing:-0.02em; margin-bottom:24px;
}
.hero h1 em{font-style:normal; color:var(--brass); font-weight:600;}

.hero p.lede{
  font-size:17.5px; color:var(--slate); max-width:520px; margin-bottom:34px; line-height:1.6;
}
.hero-actions{display:flex; gap:14px; flex-wrap:wrap; margin-bottom:40px;}
.btn-primary{
  background:var(--ink); color:var(--paper); font-weight:600; font-size:14.5px;
  padding:13px 24px; border:1px solid var(--ink); transition:opacity .15s ease;
  display:inline-block;
}
.btn-primary:hover{opacity:0.82;}
.btn-ghost{
  border:1px solid var(--hair-strong); color:var(--ink); font-weight:500; font-size:14.5px;
  padding:13px 24px; transition:border-color .15s ease; display:inline-block;
}
.btn-ghost:hover{border-color:var(--brass); color:var(--brass);}

.hero-note{
  font-size:13px; color:var(--slate); display:flex; gap:8px; align-items:center;
  font-family:var(--mono);
}
.hero-note::before{content:"//"; color:var(--brass);}

/* ---------- LEDGER (data panel) ---------- */
.ledger{
  border:1px solid var(--hair-strong);
  background:var(--panel);
  font-family:var(--mono);
  position:relative;
}
.ledger::before{
  content:""; position:absolute; top:-1px; left:20px; width:10px; height:10px;
  background:var(--brass); transform:rotate(45deg) translateY(-50%);
}
.ledger-head{
  padding:18px 20px 16px; border-bottom:1px solid var(--hair-strong);
  font-size:11px; letter-spacing:0.08em; text-transform:uppercase; color:var(--slate);
  display:flex; justify-content:space-between;
}
.ledger-row{
  display:flex; justify-content:space-between; align-items:baseline;
  padding:16px 20px; border-bottom:1px solid var(--hair); gap:12px;
}
.ledger-row:last-child{border-bottom:none;}
.ledger-label{font-size:12.5px; color:var(--slate); font-family:var(--sans);}
.ledger-value{font-size:19px; color:var(--brass); font-weight:600; white-space:nowrap;}
.ledger-value small{font-size:11.5px; color:var(--slate); font-weight:400; margin-left:4px;}

/* ---------- TRUST BAR ---------- */
.trust{
  padding:30px 0; border-bottom:1px solid var(--hair);
}
.trust .wrap{
  display:flex; align-items:center; gap:26px; flex-wrap:wrap;
  font-size:13px; color:var(--slate);
}
.trust-label{font-family:var(--mono); font-size:11px; letter-spacing:0.06em; text-transform:uppercase; color:var(--slate); flex:none;}
.trust-list{display:flex; gap:26px; flex-wrap:wrap; font-weight:600; color:var(--ink);}
.trust-list span{margin-right:26px;}
.trust-list span:last-child{margin-right:0;}

/* ---------- SECTION shared ---------- */
section{padding:88px 0;}
.section-head{max-width:640px; margin-bottom:56px;}
.section-head .eyebrow{margin-bottom:16px;}
.section-head h2{
  font-family:var(--serif); font-weight:600; font-size:clamp(26px,3vw,38px);
  line-height:1.18; margin-bottom:16px; letter-spacing:-0.015em;
}
.section-head p{color:var(--slate); font-size:16px; line-height:1.65;}

/* ---------- PROBLEM: contrast columns ---------- */
.problem{background:var(--panel); border-top:1px solid var(--hair); border-bottom:1px solid var(--hair);}
.contrast{
  display:grid; grid-template-columns:1fr 1fr; border:1px solid var(--hair-strong);
}
@media(max-width:760px){ .contrast{grid-template-columns:1fr;} }
.contrast-col{padding:34px; background:var(--paper);}
.contrast-col + .contrast-col{border-left:1px solid var(--hair-strong);}
@media(max-width:760px){ .contrast-col + .contrast-col{border-left:none; border-top:1px solid var(--hair-strong);} }
.contrast-col h3{
  font-family:var(--mono); font-size:12px; letter-spacing:0.08em; text-transform:uppercase;
  margin-bottom:20px; display:flex; align-items:center; gap:8px;
}
.contrast-col.debit h3{color:var(--brick);}
.contrast-col.credit h3{color:var(--brass);}
.contrast-col ul{list-style:none;}
.contrast-col li{
  display:flex; gap:12px; padding:12px 0; border-top:1px solid var(--hair); font-size:14.5px; color:var(--ink);
}
.contrast-col li:first-of-type{border-top:none;}
.contrast-col.debit li::before{content:"–"; color:var(--brick); font-family:var(--mono); flex:none;}
.contrast-col.credit li::before{content:"+"; color:var(--brass); font-family:var(--mono); flex:none;}

/* ---------- FEATURES ---------- */
.features-list{border-top:1px solid var(--hair);}
.feature-row{
  display:grid; grid-template-columns:76px 1fr 1.3fr; gap:28px;
  padding:36px 0; border-bottom:1px solid var(--hair);
  align-items:start;
}
@media(max-width:760px){ .feature-row{grid-template-columns:44px 1fr; } .feature-row .feature-desc{grid-column:1 / -1;} }
.feature-num{
  font-family:var(--mono); font-size:13px; color:var(--brass); padding-top:4px;
}
.feature-title{font-family:var(--serif); font-size:20px; font-weight:600;}
.feature-desc{color:var(--slate); font-size:15px; line-height:1.65; max-width:480px;}

/* ---------- COMPLIANCE / BADGES ---------- */
.compliance{background:var(--panel); border-top:1px solid var(--hair); border-bottom:1px solid var(--hair);}
.badge-grid{
  display:grid; grid-template-columns:repeat(4, 1fr); gap:1px; background:var(--hair-strong);
  border:1px solid var(--hair-strong);
}
@media(max-width:760px){ .badge-grid{grid-template-columns:repeat(2,1fr);} }
.badge{
  background:var(--paper); padding:28px 22px; text-align:left;
}
.badge .code{font-family:var(--mono); font-size:11.5px; color:var(--brass); letter-spacing:0.06em; margin-bottom:10px;}
.badge .name{font-family:var(--serif); font-size:18px; margin-bottom:8px; font-weight:600;}
.badge .desc{font-size:13px; color:var(--slate); line-height:1.5;}

/* ---------- ROLES (frontline / specialist / executive) ---------- */
.roles-grid{ display:flex; gap:1px; background:var(--hair-strong); border:1px solid var(--hair-strong); align-items:stretch; }
@media(max-width:860px){ .roles-grid{flex-direction:column;} }
.roles-col{ flex:1; background:var(--paper); padding:20px 20px 22px; }
.roles-col-head{
  font-family:var(--mono); font-size:11px; letter-spacing:0.08em; text-transform:uppercase;
  color:var(--brass); font-weight:700; margin-bottom:14px; padding-bottom:10px;
  border-bottom:1.5px solid var(--ink);
}
.role-item{ margin-bottom:14px; padding-bottom:14px; border-bottom:1px solid var(--hair); }
.role-item:last-child{ margin-bottom:0; padding-bottom:0; border-bottom:none; }
.role-name{ font-family:var(--serif); font-weight:700; font-size:13.5px; color:var(--ink); margin-bottom:3px; }
.role-titles{ font-size:11.5px; color:var(--slate); line-height:1.5; margin-bottom:6px; }
.role-integrations{ display:flex; flex-wrap:wrap; gap:5px; margin-top:7px; }
.integration-tag{
  font-family:var(--mono); font-size:9.5px; background:var(--panel); border:1px solid var(--hair-strong);
  border-radius:3px; padding:2px 7px; color:var(--slate); white-space:nowrap;
}

/* ---------- INDUSTRY CARDS (homepage hub) ---------- */
.industry-grid{
  display:grid; grid-template-columns:repeat(3, 1fr); gap:1px; background:var(--hair-strong);
  border:1px solid var(--hair-strong);
}
@media(max-width:760px){ .industry-grid{grid-template-columns:1fr;} }
.industry-card{
  background:var(--paper); padding:36px 30px; transition:background .15s ease; display:block;
}
.industry-card:hover{background:var(--panel);}
.industry-card .tag{
  font-family:var(--mono); font-size:11px; letter-spacing:0.06em; text-transform:uppercase;
  color:var(--brass); margin-bottom:14px;
}
.industry-card h3{font-family:var(--serif); font-size:21px; margin-bottom:10px; font-weight:600;}
.industry-card p{color:var(--slate); font-size:14px; line-height:1.6; margin-bottom:20px;}
.industry-card .goto{font-size:13px; color:var(--brass); font-weight:600;}
.industry-card .goto::after{content:" →"; }

/* ---------- PRICING NOTE ---------- */
.pricing-block{
  display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center;
}
@media(max-width:820px){ .pricing-block{grid-template-columns:1fr;} }
.pricing-block .ledger-row .ledger-value{font-size:16.5px;}

/* ---------- CTA ---------- */
.cta-section{
  text-align:center; border-top:1px solid var(--hair);
  background:var(--ink); color:var(--parchment);
}
.cta-section .eyebrow{color:var(--brass);}
.cta-section .eyebrow::before{background:var(--brass);}
.cta-section h2{
  font-family:var(--serif); font-weight:600; font-size:clamp(26px,3.6vw,42px);
  max-width:700px; margin:0 auto 18px; line-height:1.18; color:var(--parchment);
}
.cta-section p{color:rgba(244,246,242,0.65); max-width:520px; margin:0 auto 34px; font-size:16px;}
.cta-actions{display:flex; gap:14px; justify-content:center; flex-wrap:wrap;}
.cta-section .btn-primary{background:var(--brass); color:var(--ink); border-color:var(--brass);}
.cta-section .btn-ghost{border-color:rgba(244,246,242,0.28); color:var(--parchment);}
.cta-section .btn-ghost:hover{border-color:var(--brass); color:var(--brass);}

/* ---------- FOOTER ---------- */
footer{border-top:1px solid var(--hair); padding:44px 0 36px; background:var(--paper);}
.footer-grid{
  display:flex; justify-content:space-between; align-items:flex-start; flex-wrap:wrap; gap:32px;
}
.footer-brand .logo{margin-bottom:12px;}
.footer-brand p{color:var(--slate); font-size:13px; max-width:260px;}
.footer-cols{display:flex; gap:52px; flex-wrap:wrap;}
.footer-col h4{
  font-family:var(--mono); font-size:11px; letter-spacing:0.06em; text-transform:uppercase;
  color:var(--slate); margin-bottom:14px;
}
.footer-col a{display:block; font-size:13.5px; color:var(--ink); margin-bottom:10px; opacity:0.75;}
.footer-col a:hover{opacity:1; color:var(--brass);}
.footer-bottom{
  margin-top:44px; padding-top:22px; border-top:1px solid var(--hair);
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px;
  font-size:12px; color:var(--slate);
}

/* ---------- MOBILE DROPDOWN FIX ---------- */
@media(max-width:860px){
  .nav-dropdown {position:relative; display:block;}
  .nav-dropdown > a {cursor:pointer;}
  .nav-menu {
    display:none !important;
    position:absolute;
    top:100%;
    left:0;
    background:var(--paper);
    border:1px solid var(--hair-strong);
    border-radius:8px;
    box-shadow:0 8px 16px rgba(0,0,0,0.1);
    min-width:240px;
    z-index:999;
    margin-top:4px;
  }
  .nav-menu.active {
    display:block !important;
  }
  .nav-menu a {
    padding:12px 16px;
    font-size:14px;
  }
}

/* ---------- MOBILE BUTTON & MODAL FIX ---------- */
@media(max-width:640px){
  button {
    padding:12px 16px !important;
    min-height:44px;
    font-size:14px !important;
  }
  .modal-content {
    padding:24px !important;
  }
  .modal-title {
    font-size:20px !important;
  }
}

/* ---------- FORM VALIDATION ---------- */
.form-group input:invalid:not(:placeholder-shown),
.form-group textarea:invalid:not(:placeholder-shown) {
  border-color: #d32f2f;
  background-color: rgba(211, 47, 47, 0.05);
}
.form-group input:valid:not(:placeholder-shown),
.form-group textarea:valid:not(:placeholder-shown) {
  border-color: #388e3c;
  background-color: rgba(56, 142, 60, 0.05);
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{transition:none !important;}
}