:root {
  --primary: #1e3a8a;
  --secondary: #60a5fa;
  --accent: #93c5fd;
  --background: #ffffff;
  --surface: #f8fbff;
  --ink: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --font-heading: 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --font-body: 'Manrope', sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
body{
  margin:0;
  color:var(--ink);
  font-family:var(--font-body);
  line-height:1.7;
  background-color: var(--background);
}
h1,h2,h3{margin:0;font-family:var(--font-heading);line-height:1.1; letter-spacing: -0.03em;}
h1{font-size:clamp(2.5rem,6vw,4rem); color: var(--ink);}
h2{font-size:clamp(1.8rem,4vw,2.5rem);margin-bottom:1rem; color: var(--ink);}
h3{font-size:1.3rem;margin-bottom:.5rem; color: var(--ink);}
p{margin-top:0;}
a{color:inherit; text-decoration: none;}
img{max-width:100%;display:block;}

.mono {
  font-family: var(--font-mono);
  font-size: 0.88em;
  letter-spacing: -0.02em;
}

.container{width:100%;max-width:1140px;margin-inline:auto;padding-inline:24px}
.section{padding-block:clamp(3rem,8vw,6rem)}

.card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  transition: all 0.2s ease;
}
.card:hover {
  border-color: var(--secondary);
  box-shadow: 0 8px 24px -4px rgba(30,58,138,0.16);
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
  font-weight:600;
  border-radius:8px;
  padding:0.8rem 1.6rem;
  transition: 0.2s;
  font-family: var(--font-body);
  border: none;
  cursor: pointer;
  font-size: 0.92rem;
}
.btn-primary{
  background: var(--primary);
  color:#fff;
}
.btn-primary:hover {
  background: #1e40af;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(30,58,138,0.32);
}
.btn-secondary{
  background: var(--background);
  color: var(--primary);
  border: 1px solid var(--border);
}
.btn-secondary:hover{
  border-color: var(--primary);
}

/* Header */
.site-header{
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  z-index: 100;
  border-bottom: 1px solid var(--border);
}
.site-header .container{display:flex;align-items:center;justify-content:space-between;min-height:72px}
.site-logo{font-family:var(--font-heading);font-weight:700;font-size:1.35rem; color: var(--ink); display: flex; align-items: center; gap: 8px; letter-spacing: -0.02em;}

.nav-menu{display:flex;gap:28px; align-items: center;}
.nav-menu a{font-weight:500;color:var(--muted); font-size: 0.9rem;}
.nav-menu a:not(.btn):not(.nav-cta):hover{color:var(--primary)}

.nav-toggle{display:none;background:none;border:none;cursor:pointer;color:var(--ink);padding:8px;}

/* Canvas */
.hero-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  opacity: 0.5;
}

/* Grids */
.grid-3{display:grid;gap:24px;grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-2{display:grid;gap:40px;grid-template-columns:repeat(2,minmax(0,1fr))}

/* Bento Grid */
.bento-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-auto-rows: auto;
  gap: 16px;
}
.bento-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.bento-card:hover {
  border-color: var(--secondary);
  box-shadow: 0 8px 32px -4px rgba(30,58,138,0.12);
}
/* Card 1: Real-Time Ledger - tall left */
.bento-card:nth-child(1) { grid-column: 1; grid-row: 1 / 3; }
/* Card 2: Tax Architecture */
.bento-card:nth-child(2) { grid-column: 2; grid-row: 1; }
/* Card 3: Fractional CFO */
.bento-card:nth-child(3) { grid-column: 3; grid-row: 1; }
/* Card 4: Payroll Sync */
.bento-card:nth-child(4) { grid-column: 2; grid-row: 2; }
/* Card 5: Custom Reports */
.bento-card:nth-child(5) { grid-column: 3; grid-row: 2; }
/* Card 6: Audit Defense - wide bottom */
.bento-card:nth-child(6) { grid-column: 1 / 4; grid-row: 3; }
.bento-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
@media (max-width:900px) {
  .bento-grid { grid-template-columns: 1fr; }
  .bento-card:nth-child(n) { grid-column: 1; grid-row: auto; }
}

/* Accordion */
.accordion-toggle{
  width:100%;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:10px;
  padding:18px 24px;
  font-size:1rem;
  font-weight:600;
  font-family:var(--font-heading);
  color:var(--ink);
  cursor:pointer;
  display:flex;
  justify-content:space-between;
  align-items:center;
  transition:0.2s;
  text-align:left;
  letter-spacing: -0.02em;
}
.accordion-toggle:hover{border-color:var(--primary);color:var(--primary)}
.accordion-toggle.open{border-color:var(--primary);color:var(--primary);border-radius:10px 10px 0 0;border-bottom:none;}
.accordion-content{
  display:none;
  background:var(--surface);
  border:1px solid var(--primary);
  border-top:none;
  border-radius:0 0 10px 10px;
  padding:0 24px 20px;
  color:var(--muted);
  line-height:1.7;
}
.accordion-content.open{display:block}

/* Footer */
.site-footer a:hover{color:var(--primary)!important}

@media (max-width:900px){
  .grid-3{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .nav-menu{display:none;}
  .nav-menu.active{
    display:flex;
    flex-direction:column;
    position:absolute;
    top:100%;left:0;right:0;
    background:var(--background);
    padding:24px;
    border-bottom:1px solid var(--border);
    box-shadow:0 12px 24px rgba(0,0,0,0.06);
  }
  .nav-toggle{display:block}
}

/* Header CTA contrast fix: btn-primary */
.site-header .nav-menu .btn-primary,
.site-header .nav-menu .btn-primary:hover {
  color: #fff !important;
}