/* =========================================================
   ACCOUNT BOOKS — Design System
   Concept: "The Digital Ledger" — a modern accounting firm
   whose visual language borrows from the physical ledger book:
   ruled lines, tabular figures, debit/credit rhythm — rebuilt
   with contemporary type, restrained color, and confident space.
   ========================================================= */

:root{
  /* ---- Color tokens ---- */
  --ink:        #0B1E3D;   /* primary dark navy — headers, nav, footer */
  --ink-soft:   #16305A;
  --ledger:     #147856;   /* primary accent — emerald, "in the black" */
  --ledger-dark:#0E5B41;
  --ledger-lt:  #E7F2EC;   /* pale emerald tint for surfaces */
  --paper:      #F7F5EF;   /* warm paper background */
  --paper-dim:  #EFEAE0;
  --gold:       #B98D3E;   /* ledger gold-foil accent, used sparingly */
  --slate:      #4B5568;   /* secondary text */
  --slate-lt:   #8890A0;
  --line:       rgba(11,30,61,.12);   /* ruled ledger line */
  --line-soft:  rgba(11,30,61,.07);
  --white:      #FFFFFF;

  /* ---- Type ---- */
  --f-display: 'Fraunces', Georgia, serif;
  --f-body:    'Inter', -apple-system, sans-serif;
  --f-mono:    'IBM Plex Mono', 'Courier New', monospace;

  /* ---- Shape / motion ---- */
  --radius: 10px;
  --radius-sm: 6px;
  --ease: cubic-bezier(.16,.84,.44,1);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--f-body);
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{background:var(--ledger);color:var(--white);}

a{color:var(--ledger-dark);text-decoration:none;}
a:hover{color:var(--ledger);}

h1,h2,h3,h4,.font-display{
  font-family:var(--f-display);
  font-weight:600;
  letter-spacing:-.01em;
  color:var(--ink);
}
.font-mono{font-family:var(--f-mono);}

.text-slate{color:var(--slate) !important;}
.bg-ink{background:var(--ink) !important;}
.bg-ledger{background:var(--ledger) !important;}
.bg-paper-dim{background:var(--paper-dim) !important;}
.text-ledger{color:var(--ledger-dark) !important;}
.text-gold{color:var(--gold) !important;}

.container-xl{max-width:1240px;}

/* Focus states — accessible, visible, on-brand */
a:focus-visible, button:focus-visible, .btn:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:2px solid var(--gold);
  outline-offset:3px;
}

@media (prefers-reduced-motion: reduce){
  *{animation:none !important; transition:none !important;}
}

/* =========================================================
   NAVBAR
   ========================================================= */
.navbar-ab{
  background:rgba(247,245,239,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  padding:.9rem 0;
  transition:padding .25s var(--ease);
}
.navbar-ab .navbar-brand{
  font-family:var(--f-display);
  font-weight:600;
  font-size:1.35rem;
  color:var(--ink);
  display:flex;align-items:center;gap:.5rem;
}
.navbar-ab .navbar-brand .mark{
  width:30px;height:30px;border-radius:6px;background:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--paper);font-family:var(--f-mono);font-size:.85rem;font-weight:700;
}
.navbar-ab .nav-link{
  font-weight:500;color:var(--ink);opacity:.75;padding:.5rem 1rem !important;
}
.navbar-ab .nav-link:hover,.navbar-ab .nav-link.active{opacity:1;color:var(--ledger-dark);}

.btn-ledger{
  background:var(--ledger);border:1px solid var(--ledger);color:var(--white);
  font-weight:600;padding:.6rem 1.25rem;border-radius:var(--radius-sm);
  transition:transform .2s var(--ease),background .2s var(--ease);
}
.btn-ledger:hover{background:var(--ledger-dark);color:var(--white);transform:translateY(-1px);}
.btn-outline-ink{
  border:1px solid var(--line);color:var(--ink);font-weight:600;
  padding:.6rem 1.25rem;border-radius:var(--radius-sm);background:transparent;
}
.btn-outline-ink:hover{background:var(--ink);color:var(--paper);}
.btn-lg-cta{padding:.85rem 1.75rem;font-size:1.02rem;}

/* =========================================================
   LEDGER MOTIF — signature component
   A ruled row: label ······ leader ······ value
   Used in hero stats, section dividers, pricing, comparisons.
   ========================================================= */
.ledger-strip{
  border-top:1px solid var(--line);
}
.ledger-row{
  display:flex;align-items:baseline;justify-content:space-between;gap:1rem;
  padding:1.1rem 0;border-bottom:1px solid var(--line);
}
.ledger-row .label{
  font-size:.95rem;color:var(--slate);
}
.ledger-row .value{
  font-family:var(--f-mono);font-size:1.05rem;font-weight:600;color:var(--ink);
  white-space:nowrap;
}
.ledger-leader{
  flex:1;border-bottom:1px dotted var(--slate-lt);
  transform:translateY(-4px);min-width:24px;
}

/* Hero ledger figures */
.ledger-figures{border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.ledger-figures .fig-col{padding:1.5rem 0;border-right:1px solid var(--line);}
.ledger-figures .fig-col:last-child{border-right:none;}
.ledger-figures .fig-num{
  font-family:var(--f-mono);font-size:2rem;font-weight:600;color:var(--ink);line-height:1;
}
.ledger-figures .fig-label{
  font-size:.8rem;color:var(--slate);text-transform:uppercase;letter-spacing:.06em;margin-top:.4rem;
}

/* =========================================================
   HERO
   ========================================================= */
.hero{
  padding:7.5rem 0 0;position:relative;
  background:
    linear-gradient(var(--paper),var(--paper)) padding-box;
}
.hero .eyebrow{
  font-family:var(--f-mono);font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--ledger-dark);display:inline-flex;align-items:center;gap:.5rem;
}
.hero .eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--ledger);display:inline-block;}
.hero h1{font-size:clamp(2.3rem,4.2vw,3.6rem);line-height:1.08;margin:1.1rem 0 1.25rem;}
.hero .lead{font-size:1.15rem;color:var(--slate);max-width:640px;}

/* Hero panel — mock ledger/dashboard visual, all CSS, no stock imagery */
.ledger-panel{
  background:var(--white);border:1px solid var(--line);border-radius:14px;
  box-shadow:0 30px 60px -25px rgba(11,30,61,.28);
  overflow:hidden;
}
.ledger-panel .panel-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:1rem 1.25rem;border-bottom:1px solid var(--line);background:var(--paper-dim);
}
.ledger-panel .dots span{width:9px;height:9px;border-radius:50%;display:inline-block;margin-right:5px;background:var(--line);}
.ledger-panel .panel-body{padding:1.25rem 1.25rem 1.5rem;}
.mini-bar-row{display:flex;align-items:center;gap:.75rem;padding:.6rem 0;border-bottom:1px dashed var(--line);}
.mini-bar-row:last-child{border-bottom:none;}
.mini-bar-track{flex:1;height:8px;background:var(--paper-dim);border-radius:4px;overflow:hidden;}
.mini-bar-fill{height:100%;background:linear-gradient(90deg,var(--ledger),var(--ledger-dark));border-radius:4px;}
.mini-amt{font-family:var(--f-mono);font-size:.85rem;font-weight:600;width:70px;text-align:right;}

/* =========================================================
   SECTION RHYTHM
   ========================================================= */
.section{padding:6rem 0;}
.section-tight{padding:4rem 0;}
.section-eyebrow{
  font-family:var(--f-mono);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ledger-dark);
}
.section-title{font-size:clamp(1.8rem,2.6vw,2.5rem);margin:.5rem 0 1rem;}
.section-sub{color:var(--slate);font-size:1.05rem;max-width:640px;}

/* =========================================================
   CARDS
   ========================================================= */
.card-ab{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.75rem;height:100%;transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.card-ab:hover{transform:translateY(-4px);box-shadow:0 20px 40px -22px rgba(11,30,61,.22);border-color:transparent;}
.card-icon{
  width:44px;height:44px;border-radius:9px;background:var(--ledger-lt);color:var(--ledger-dark);
  display:flex;align-items:center;justify-content:center;font-size:1.2rem;margin-bottom:1rem;
}
.card-ab h5{font-size:1.08rem;margin-bottom:.5rem;font-family:var(--f-body);font-weight:700;}
.card-ab p{color:var(--slate);font-size:.94rem;margin-bottom:0;}

/* Numbered index — used only where sequence is real (process steps) */
.step-index{
  font-family:var(--f-mono);color:var(--gold);font-size:.85rem;font-weight:700;
}

/* Testimonial */
.quote-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:2rem;height:100%;
}
.quote-card .stars{color:var(--gold);letter-spacing:.15em;font-size:.9rem;}
.quote-card blockquote{font-family:var(--f-display);font-size:1.08rem;line-height:1.5;margin:1rem 0 1.25rem;color:var(--ink);}
.avatar-badge{
  width:40px;height:40px;border-radius:50%;background:var(--ink);color:var(--paper);
  display:flex;align-items:center;justify-content:center;font-family:var(--f-mono);font-weight:700;font-size:.85rem;
}

/* Logos strip */
.logo-strip{opacity:.55;filter:grayscale(1);font-family:var(--f-mono);letter-spacing:.03em;font-weight:600;}

/* Pricing */
.price-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:2rem;height:100%;}
.price-card.featured{border-color:var(--ink);box-shadow:0 25px 50px -25px rgba(11,30,61,.3);position:relative;}
.price-card .price-tag{font-family:var(--f-mono);font-size:2.4rem;font-weight:600;}
.price-card .price-period{font-size:.9rem;color:var(--slate);}
.badge-popular{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:var(--gold);color:var(--white);font-size:.72rem;font-weight:700;text-transform:uppercase;
  letter-spacing:.06em;padding:.35rem .8rem;border-radius:20px;
}
.price-list li{padding:.5rem 0;border-bottom:1px solid var(--line-soft);font-size:.92rem;color:var(--slate);}
.price-list li:last-child{border-bottom:none;}
.price-list li i{color:var(--ledger-dark);margin-right:.5rem;}

/* FAQ */
.accordion-ab .accordion-item{background:transparent;border:none;border-bottom:1px solid var(--line);border-radius:0;}
.accordion-ab .accordion-button{
  background:transparent;font-weight:600;color:var(--ink);padding:1.25rem 0;box-shadow:none;font-family:var(--f-body);
}
.accordion-ab .accordion-button:not(.collapsed){color:var(--ledger-dark);background:transparent;}
.accordion-ab .accordion-button::after{filter:invert(23%) sepia(28%) saturate(1500%) hue-rotate(120deg);}
.accordion-ab .accordion-body{padding:0 0 1.5rem;color:var(--slate);}

/* CTA band */
.cta-band{
  background:var(--ink);border-radius:20px;padding:3.5rem;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(90deg,transparent,transparent 63px,rgba(255,255,255,.035) 64px);
  pointer-events:none;
}
.cta-band h2{color:var(--paper);}
.cta-band p{color:rgba(247,245,239,.75);}

/* Footer */
.footer-ab{background:var(--ink);color:rgba(247,245,239,.7);padding:4.5rem 0 2rem;}
.footer-ab a{color:rgba(247,245,239,.7);}
.footer-ab a:hover{color:var(--paper);}
.footer-ab h6{color:var(--paper);font-weight:700;font-size:.85rem;text-transform:uppercase;letter-spacing:.06em;margin-bottom:1.1rem;}
.footer-ab .brand{font-family:var(--f-display);font-size:1.3rem;color:var(--paper);}
.footer-bottom{border-top:1px solid rgba(247,245,239,.12);padding-top:1.5rem;font-size:.85rem;}

/* Page hero (interior pages) */
.page-hero{padding:8.5rem 0 3.5rem;border-bottom:1px solid var(--line);}
.page-hero .eyebrow{font-family:var(--f-mono);font-size:.8rem;color:var(--ledger-dark);text-transform:uppercase;letter-spacing:.08em;}

/* Breadcrumb-ish crumb */
.crumb{font-family:var(--f-mono);font-size:.8rem;color:var(--slate-lt);}

/* Scroll reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.is-visible{opacity:1;transform:translateY(0);}

/* Sticky mobile CTA */
.sticky-cta{
  position:fixed;bottom:0;left:0;right:0;z-index:1040;
  background:var(--white);border-top:1px solid var(--line);
  padding:.75rem 1rem;display:flex;gap:.6rem;
  box-shadow:0 -10px 30px rgba(11,30,61,.1);
}
@media (min-width:992px){.sticky-cta{display:none;}}

/* Responsive tweaks */
@media (max-width:991px){
  .hero{padding-top:6rem;text-align:left;}
  .section{padding:4rem 0;}
  .ledger-figures .fig-col{border-right:none;border-bottom:1px solid var(--line);}
}