/* ==========================================================================
   Ledgermark — Design System
   Palette: ink navy + parchment paper + brass + forest + rust
   Type: Fraunces (display) / Inter (body/UI) / IBM Plex Mono (figures)
   Signature element: the hand-drawn ledger stroke (.ink-stroke) and
   tabular monospace figures used throughout for balances & numbers.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,400;0,9..144,500;0,9..144,600;0,9..144,700;1,9..144,400;1,9..144,500&family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  /* colors */
  --ink:        #0B1F33;
  --ink-soft:   #14304C;
  --paper:      #F5F1E7;
  --paper-dim:  #EBE5D6;
  --card:       #FFFDF8;
  --brass:      #A9812E;
  --brass-soft: #C9A54D;
  --forest:     #1F3D2B;
  --forest-soft:#2E5940;
  --rust:       #8C3B2E;
  --slate:      #5C6672;
  --line:       rgba(11,31,51,0.12);
  --line-strong:rgba(11,31,51,0.22);

  /* type */
  --f-display: 'Fraunces', ui-serif, Georgia, serif;
  --f-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --f-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  /* scale */
  --radius: 3px;
  --shadow-card: 0 1px 2px rgba(11,31,51,0.06), 0 8px 24px -12px rgba(11,31,51,0.18);
  --container: 1180px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--f-body);
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  line-height:1.5;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
button{ font-family:inherit; }

.container{
  max-width:var(--container);
  margin:0 auto;
  padding:0 28px;
}

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

/* Focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible{
  outline:2px solid var(--brass);
  outline-offset:2px;
}

/* ---------- Typography ---------- */
h1,h2,h3,h4{
  font-family:var(--f-display);
  font-weight:500;
  color:var(--ink);
  margin:0 0 0.4em;
  letter-spacing:-0.01em;
}
h1{ font-size:clamp(2.4rem,4.6vw,4.1rem); font-weight:400; line-height:1.04; }
h2{ font-size:clamp(1.7rem,3vw,2.5rem); line-height:1.12; }
h3{ font-size:1.28rem; font-weight:600; }
p{ margin:0 0 1em; color:var(--ink-soft); }
.eyebrow{
  font-family:var(--f-mono);
  font-size:0.72rem;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--brass);
  font-weight:600;
}
.lede{ font-size:1.12rem; color:var(--slate); max-width:52ch; }
.figure, .mono{ font-family:var(--f-mono); font-variant-numeric:tabular-nums; letter-spacing:-0.01em; }
.serif-italic{ font-style:italic; font-family:var(--f-display); }

/* ---------- Signature ink-stroke underline ---------- */
.ink-stroke{
  position:relative;
  display:inline-block;
}
.ink-stroke svg{
  position:absolute;
  left:-2%; right:-2%; bottom:-0.14em;
  width:104%; height:0.5em;
  overflow:visible;
}
.ink-stroke path{
  fill:none;
  stroke:var(--brass);
  stroke-width:3;
  stroke-linecap:round;
  stroke-dasharray:340;
  stroke-dashoffset:340;
  animation:draw-stroke 1.1s cubic-bezier(.65,.05,.36,1) 0.35s forwards;
}
@keyframes draw-stroke{ to{ stroke-dashoffset:0; } }
@media (prefers-reduced-motion: reduce){
  .ink-stroke path{ animation:none; stroke-dashoffset:0; }
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:13px 24px;
  border-radius:var(--radius);
  font-size:0.92rem; font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .15s ease, background .15s ease, border-color .15s ease, color .15s ease;
  white-space:nowrap;
}
.btn:active{ transform:translateY(1px); }
.btn-primary{ background:var(--ink); color:var(--paper); }
.btn-primary:hover{ background:var(--ink-soft); }
.btn-brass{ background:var(--brass); color:var(--ink); }
.btn-brass:hover{ background:var(--brass-soft); }
.btn-ghost{ background:transparent; color:var(--ink); border-color:var(--line-strong); }
.btn-ghost:hover{ border-color:var(--ink); }
.btn-block{ width:100%; }
.btn-lg{ padding:15px 30px; font-size:0.98rem; }

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(245,241,231,0.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:18px 0;
}
.brand{
  display:flex; align-items:center; gap:10px;
  font-family:var(--f-display); font-size:1.28rem; font-weight:600; color:var(--ink);
}
.brand-mark{
  width:30px; height:30px; flex:none;
}
.nav-links{
  display:flex; align-items:center; gap:32px;
  list-style:none; margin:0; padding:0;
}
.nav-links a{
  font-size:0.92rem; font-weight:500; color:var(--ink-soft);
  padding:4px 0; border-bottom:1px solid transparent;
}
.nav-links a:hover{ border-color:var(--brass); color:var(--ink); }
.nav-actions{ display:flex; align-items:center; gap:12px; }
.nav-toggle{
  display:none; background:none; border:1px solid var(--line-strong); border-radius:var(--radius);
  padding:8px 10px; cursor:pointer;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:''; display:block; width:18px; height:2px; background:var(--ink); position:relative;
}
.nav-toggle span::before{ position:absolute; top:-6px; }
.nav-toggle span::after{ position:absolute; top:6px; }

@media (max-width: 860px){
  .nav-links{
    position:absolute; top:100%; left:0; right:0;
    flex-direction:column; align-items:flex-start; gap:0;
    background:var(--paper); border-bottom:1px solid var(--line);
    padding:8px 28px 18px;
    display:none;
  }
  .nav-links.open{ display:flex; }
  .nav-links a{ width:100%; padding:12px 0; border-bottom:1px solid var(--line); }
  .nav-toggle{ display:block; }
  .nav-actions .btn-ghost{ display:none; }
}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink); color:var(--paper);
  padding:64px 0 28px;
  margin-top:120px;
}
.site-footer a{ color:rgba(245,241,231,0.75); }
.site-footer a:hover{ color:var(--brass-soft); }
.footer-grid{
  display:grid; grid-template-columns:1.4fr repeat(3,1fr);
  gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(245,241,231,0.14);
}
.footer-grid h4{ color:var(--paper); font-family:var(--f-mono); font-size:0.72rem; letter-spacing:0.12em; text-transform:uppercase; font-weight:600; margin-bottom:16px; }
.footer-grid ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:10px; font-size:0.9rem; }
.footer-brand p{ color:rgba(245,241,231,0.6); max-width:32ch; }
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center;
  padding-top:24px; font-size:0.8rem; color:rgba(245,241,231,0.5);
  flex-wrap:wrap; gap:12px;
}
.footer-disclosure{
  font-size:0.78rem; color:rgba(245,241,231,0.45); max-width:80ch; margin-top:18px; line-height:1.6;
}
@media (max-width:760px){
  .footer-grid{ grid-template-columns:1fr 1fr; }
}

/* ---------- Sections ---------- */
section{ padding:100px 0; }
.section-tight{ padding:64px 0; }
.section-head{ max-width:640px; margin-bottom:56px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }

/* ---------- Cards ---------- */
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:28px;
  box-shadow:var(--shadow-card);
}

/* ---------- Ledger statement mock (hero signature visual) ---------- */
.statement{
  background:var(--card);
  border:1px solid var(--line-strong);
  border-radius:6px;
  box-shadow:0 20px 60px -20px rgba(11,31,51,0.35);
  overflow:hidden;
}
.statement-head{
  background:var(--ink); color:var(--paper);
  padding:22px 26px;
  display:flex; justify-content:space-between; align-items:flex-start;
}
.statement-head .eyebrow{ color:var(--brass-soft); }
.statement-balance{ font-family:var(--f-mono); font-size:2rem; font-variant-numeric:tabular-nums; margin-top:6px; }
.statement-rows{ padding:8px 0; }
.statement-row{
  display:flex; justify-content:space-between; align-items:center;
  padding:14px 26px; border-bottom:1px dashed var(--line);
  font-size:0.9rem;
}
.statement-row:last-child{ border-bottom:none; }
.statement-row .desc{ display:flex; flex-direction:column; gap:2px; }
.statement-row .desc small{ color:var(--slate); font-size:0.76rem; }
.statement-row .amt{ font-family:var(--f-mono); font-variant-numeric:tabular-nums; }
.amt.pos{ color:var(--forest); }
.amt.neg{ color:var(--rust); }

/* ---------- Grids ---------- */
.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:28px; }
.grid-2{ display:grid; grid-template-columns:repeat(2,1fr); gap:28px; }
.grid-4{ display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
@media (max-width:900px){
  .grid-3, .grid-2, .grid-4{ grid-template-columns:1fr; }
}

/* ---------- Hero ---------- */
.hero{
  padding-top:72px; padding-bottom:100px;
  display:grid; grid-template-columns:1.05fr 0.95fr; gap:60px; align-items:center;
}
@media (max-width:980px){
  .hero{ grid-template-columns:1fr; }
}
.hero-stats{
  display:flex; gap:36px; margin-top:40px; padding-top:28px; border-top:1px solid var(--line);
}
.hero-stat .num{ font-family:var(--f-mono); font-size:1.5rem; color:var(--ink); }
.hero-stat .label{ font-size:0.78rem; color:var(--slate); margin-top:4px; }
.hero-actions{ display:flex; gap:14px; margin-top:36px; flex-wrap:wrap; }

/* ---------- Feature row w/ index label (only when order matters) ---------- */
.feature{
  display:flex; gap:20px; padding:28px 0; border-top:1px solid var(--line);
}
.feature:last-child{ border-bottom:1px solid var(--line); }
.feature-icon{ flex:none; width:44px; height:44px; color:var(--brass); }

/* ---------- Badges / pills ---------- */
.pill{
  display:inline-flex; align-items:center; gap:6px;
  border:1px solid var(--line-strong); border-radius:99px;
  padding:5px 12px; font-size:0.78rem; color:var(--slate); font-weight:500;
}
.dot{ width:6px; height:6px; border-radius:50%; background:var(--forest); }

/* ---------- Forms ---------- */
.field{ margin-bottom:20px; }
.field label{ display:block; font-size:0.84rem; font-weight:600; margin-bottom:8px; color:var(--ink); }
.field .hint{ font-size:0.78rem; color:var(--slate); margin-top:6px; }
input, select, textarea{
  width:100%;
  font-family:var(--f-body);
  font-size:0.95rem;
  padding:12px 14px;
  border:1px solid var(--line-strong);
  border-radius:var(--radius);
  background:var(--card);
  color:var(--ink);
}
input:focus, select:focus, textarea:focus{ border-color:var(--brass); }
.input-mono{ font-family:var(--f-mono); }
.field-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
@media (max-width:600px){ .field-row{ grid-template-columns:1fr; } }
.checkbox-row{ display:flex; align-items:center; gap:10px; font-size:0.86rem; color:var(--slate); }
.checkbox-row input{ width:auto; }
.form-error{
  background:rgba(140,59,46,0.08); border:1px solid rgba(140,59,46,0.3); color:var(--rust);
  padding:12px 14px; border-radius:var(--radius); font-size:0.86rem; margin-bottom:20px; display:none;
}
.form-error.show{ display:block; }
.form-note{
  display:flex; gap:10px; align-items:flex-start;
  background:var(--paper-dim); border:1px solid var(--line);
  padding:14px 16px; border-radius:var(--radius); font-size:0.82rem; color:var(--slate);
  margin-top:24px;
}

/* ---------- Auth layout ---------- */
.auth-shell{
  min-height:100vh; display:grid; grid-template-columns:1fr 1fr;
}
.auth-visual{
  background:var(--ink); color:var(--paper);
  padding:60px; display:flex; flex-direction:column; justify-content:space-between;
  position:relative; overflow:hidden;
}
.auth-form-side{
  padding:60px; display:flex; align-items:center; justify-content:center;
}
.auth-box{ width:100%; max-width:400px; }
@media (max-width:900px){
  .auth-shell{ grid-template-columns:1fr; }
  .auth-visual{ display:none; }
}
.auth-quote{ font-family:var(--f-display); font-style:italic; font-size:1.4rem; line-height:1.4; max-width:34ch; }

/* ---------- Dashboard shell ---------- */
.app-shell{ display:grid; grid-template-columns:248px 1fr; min-height:100vh; }
.app-sidebar{
  background:var(--ink); color:var(--paper);
  padding:26px 20px; display:flex; flex-direction:column;
}
.app-sidebar .brand{ color:var(--paper); margin-bottom:40px; }
.app-nav{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:2px; flex:1; }
.app-nav a{
  display:flex; align-items:center; gap:12px;
  padding:11px 12px; border-radius:var(--radius);
  font-size:0.9rem; color:rgba(245,241,231,0.72); font-weight:500;
}
.app-nav a:hover{ background:rgba(245,241,231,0.06); color:var(--paper); }
.app-nav a.active{ background:rgba(169,129,46,0.16); color:var(--brass-soft); }
.app-nav svg{ width:18px; height:18px; flex:none; }
.app-main{ padding:40px 44px; background:var(--paper); }
.app-topbar{ display:flex; justify-content:space-between; align-items:center; margin-bottom:36px; flex-wrap:wrap; gap:16px; }
.sidebar-foot{ font-size:0.76rem; color:rgba(245,241,231,0.4); padding-top:20px; border-top:1px solid rgba(245,241,231,0.12); }
@media (max-width:900px){
  .app-shell{ grid-template-columns:1fr; }
  .app-sidebar{ display:none; }
  .app-main{ padding:28px 20px; }
}

.table{ width:100%; border-collapse:collapse; }
.table th{
  text-align:left; font-size:0.72rem; text-transform:uppercase; letter-spacing:0.08em;
  color:var(--slate); font-weight:600; padding:10px 14px; border-bottom:1px solid var(--line-strong);
}
.table td{ padding:14px; border-bottom:1px solid var(--line); font-size:0.9rem; }
.table tr:last-child td{ border-bottom:none; }

.stat-card{ background:var(--card); border:1px solid var(--line); border-radius:var(--radius); padding:22px; }
.stat-card .label{ font-size:0.78rem; color:var(--slate); }
.stat-card .value{ font-family:var(--f-mono); font-size:1.7rem; margin-top:8px; }
.stat-card .delta{ font-size:0.78rem; margin-top:6px; }
.delta.pos{ color:var(--forest); } .delta.neg{ color:var(--rust); }

.skip-link{
  position:absolute; left:-999px; top:0; background:var(--ink); color:var(--paper);
  padding:10px 16px; z-index:100; border-radius:var(--radius);
}
.skip-link:focus{ left:16px; top:16px; }

.toast{
  position:fixed; bottom:24px; right:24px; z-index:200;
  background:var(--ink); color:var(--paper); padding:14px 20px; border-radius:var(--radius);
  font-size:0.88rem; box-shadow:var(--shadow-card);
  transform:translateY(20px); opacity:0; pointer-events:none;
  transition:transform .25s ease, opacity .25s ease;
}
.toast.show{ transform:translateY(0); opacity:1; }

.demo-banner{
  background:var(--brass); color:var(--ink);
  text-align:center; font-size:0.8rem; font-weight:600;
  padding:9px 16px;
}