/* ==========================================================================
   Kasentia — "Receipt Ledger" design system
   Warm receipt-paper cream + ink navy + electric brand blue + amber accent.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,200..800&family=Plus+Jakarta+Sans:ital,wght@0,400;0,500;0,600;0,700;0,800;1,500&family=Baloo+2:wght@600;700;800&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  --ink:        #0B1220;
  --ink-soft:   #131C2E;
  --ink-line:   #263049;
  --paper:      #F5F0E3;
  --paper-white:#FCFAF3;
  --paper-line: #E3DBC6;
  --blue:       #1656F5;
  --blue-deep:  #0D3FC4;
  --blue-pale:  #E3EBFF;
  --amber:      #FF8A3D;
  --amber-deep: #E4661A;
  --text:       #10182B;
  --muted:      #5B6478;
  --muted-onink:#9AA6C4;
  --cream-onink:#F5F0E3;

  --font-display: 'Bricolage Grotesque', 'Georgia', serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  --font-logo: 'Baloo 2', 'Poppins', sans-serif;

  --container: 1180px;
  --radius: 18px;
  --radius-sm: 10px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ font-family: var(--font-display); margin:0; line-height:1.05; font-weight:700; letter-spacing:-0.01em; }
p{ margin:0; }
button{ font-family: inherit; cursor:pointer; }

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

/* subtle halftone/grain texture for ink sections */
.ink-texture{
  background-color: var(--ink);
  background-image:
    radial-gradient(circle at 1px 1px, rgba(255,255,255,0.055) 1px, transparent 0);
  background-size: 22px 22px;
}

/* ---------------- eyebrow / kicker ---------------- */
.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  font-weight:600;
}
.eyebrow::before{
  content:"";
  width:8px; height:8px; border-radius:50%;
  background: var(--amber);
  box-shadow: 0 0 0 3px rgba(255,138,61,0.22);
}
.on-ink .eyebrow{ color: var(--amber); }

/* ---------------- buttons ---------------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding: 15px 28px;
  border-radius: 999px;
  font-weight:700;
  font-size: 15px;
  border: 2px solid transparent;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
  white-space: nowrap;
}
.btn-primary{
  background: var(--blue);
  color: var(--paper-white);
  box-shadow: 0 3px 0 var(--blue-deep);
}
.btn-primary:hover{ transform: translateY(-2px); box-shadow: 0 5px 0 var(--blue-deep); }
.btn-primary:active{ transform: translateY(1px); box-shadow: 0 2px 0 var(--blue-deep); }

.btn-amber{
  background: var(--amber);
  color: var(--ink);
  box-shadow: 0 3px 0 var(--amber-deep);
}
.btn-amber:hover{ transform: translateY(-2px); box-shadow: 0 5px 0 var(--amber-deep); }
.btn-amber:active{ transform: translateY(1px); box-shadow: 0 2px 0 var(--amber-deep); }

.btn-ghost{
  background: transparent;
  border-color: var(--ink-line);
  color: var(--text);
}
.btn-ghost:hover{ border-color: var(--blue); color: var(--blue); }
.on-ink .btn-ghost{ border-color: rgba(255,255,255,0.25); color: var(--paper-white); }
.on-ink .btn-ghost:hover{ border-color: var(--amber); color: var(--amber); }

.btn-outline-ink{
  background: transparent;
  border-color: var(--ink);
  color: var(--ink);
}
.btn-outline-ink:hover{ background: var(--ink); color: var(--paper-white); }

.btn-sm{ padding: 10px 18px; font-size: 13px; }
.btn-block{ width:100%; }

/* ---------------- nav ---------------- */
.site-header{
  position: sticky; top:0; z-index: 100;
  background: rgba(245,240,227,0.86);
  backdrop-filter: blur(10px) saturate(1.2);
  border-bottom: 1px solid var(--paper-line);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding: 16px 28px;
  max-width: var(--container);
  margin: 0 auto;
}
.nav-logo{ display:flex; align-items:center; }
.nav-logo img{ height: 30px; width:auto; }
.nav-links{
  display:flex; align-items:center; gap: 34px;
}
.nav-links a{
  font-weight: 600; font-size: 15px; color: var(--text);
  position: relative; padding: 4px 0;
}
.nav-links a::after{
  content:""; position:absolute; left:0; right:100%; bottom:-2px; height:2px;
  background: var(--blue); transition: right .22s ease;
}
.nav-links a:hover::after, .nav-links a.active::after{ right:0; }
.nav-links a.active{ color: var(--blue); }
.nav-actions{ display:flex; align-items:center; gap:14px; }
.nav-toggle{
  display:none; background:none; border:none; width:38px; height:38px;
  flex-direction:column; justify-content:center; align-items:center; gap:5px;
}
.nav-toggle span{ width:22px; height:2px; background: var(--ink); border-radius:2px; }

@media (max-width: 900px){
  .nav-links{
    position:absolute; top:100%; left:0; right:0;
    background: var(--paper-white);
    flex-direction:column; align-items:flex-start;
    padding: 20px 28px 28px;
    border-bottom: 1px solid var(--paper-line);
    gap: 18px;
    display:none;
  }
  .nav-links.open{ display:flex; }
  .nav-toggle{ display:flex; }
  .nav-actions .btn-ghost{ display:none; }
}

/* ---------------- zigzag / perforated dividers ---------------- */
.zigzag{
  height: 16px;
  width: 100%;
  background-image:
    linear-gradient(135deg, var(--zig-color, var(--paper)) 25%, transparent 25.5%),
    linear-gradient(225deg, var(--zig-color, var(--paper)) 25%, transparent 25.5%);
  background-position: 0 0;
  background-size: 22px 22px;
  background-repeat: repeat-x;
}
.zigzag-flip{ transform: rotate(180deg); }

.perforation{
  border: none;
  height: 2px;
  margin: 0;
  background-image: repeating-linear-gradient(90deg, var(--paper-line) 0 10px, transparent 10px 18px);
}
.on-ink .perforation{ background-image: repeating-linear-gradient(90deg, var(--ink-line) 0 10px, transparent 10px 18px); }

/* ---------------- section rhythm ---------------- */
section{ position: relative; }
.section{ padding: 96px 0; }
.section-tight{ padding: 64px 0; }
.on-ink{ background: var(--ink); color: var(--paper-white); }
.on-ink .muted{ color: var(--muted-onink); }
.muted{ color: var(--muted); }

.section-head{ max-width: 640px; margin-bottom: 56px; }
.section-head h2{ font-size: clamp(32px, 4vw, 46px); margin-top:14px; }
.section-head p{ margin-top:16px; font-size:18px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }

/* ---------------- ticket-stub card ---------------- */
.ticket{
  position: relative;
  background: var(--paper-white);
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: 6px 6px 0 rgba(11,18,32,0.9);
  transition: transform .2s ease, box-shadow .2s ease;
}
.ticket:hover{ transform: translate(-3px,-3px); box-shadow: 9px 9px 0 rgba(11,18,32,0.9); }
.ticket::before, .ticket::after{
  content:""; position:absolute; top:50%; transform:translateY(-50%);
  width:22px; height:22px; border-radius:50%;
  background: var(--stub-bg, var(--paper));
  border: 2px solid var(--ink);
}
.ticket::before{ left:-13px; }
.ticket::after{ right:-13px; }
.ticket .tag{
  font-family: var(--font-mono); font-size:12px; letter-spacing:.08em; text-transform:uppercase;
  color: var(--blue); font-weight:600; display:block; margin-bottom:10px;
}
.ticket h3{ font-size:21px; margin-bottom:10px; }
.ticket p{ color: var(--muted); font-size:15.5px; }

/* ---------------- stat / line-item row ---------------- */
.stat-grid{
  display:grid; grid-template-columns: repeat(4,1fr); gap:0;
  border-top: 1px solid var(--ink-line);
}
.stat{
  padding: 30px 22px;
  border-right: 1px solid var(--ink-line);
}
.stat:last-child{ border-right:none; }
.stat .num{ font-family: var(--font-mono); font-size: clamp(28px,3.4vw,40px); font-weight:600; color:var(--amber); }
.stat .label{ margin-top:8px; font-size:14px; color: var(--muted-onink); }

@media (max-width: 760px){
  .stat-grid{ grid-template-columns: repeat(2,1fr); }
  .stat:nth-child(2n){ border-right:none; }
  .stat{ border-bottom: 1px solid var(--ink-line); }
}

/* ---------------- footer ---------------- */
.site-footer{
  background: var(--ink);
  color: var(--paper-white);
  padding: 64px 0 28px;
}
.footer-grid{
  display:grid; grid-template-columns: 1.3fr 0.9fr 0.95fr 0.85fr 0.95fr; gap: 32px;
  padding-bottom: 44px;
}
.footer-brand img{ height:28px; margin-bottom:14px; }
.footer-brand p{ color: var(--muted-onink); font-size:14.5px; max-width:280px; }
.footer-col h4{
  font-family: var(--font-mono); font-size:12px; text-transform:uppercase; letter-spacing:.1em;
  color: var(--amber); margin-bottom:16px; font-weight:600;
}
.footer-col a, .footer-col li{ color: var(--muted-onink); font-size:15px; }
.footer-col li + li{ margin-top:11px; }
.footer-col a:hover{ color: var(--paper-white); }
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px;
  padding-top: 24px; border-top: 1px solid var(--ink-line);
  font-size: 13.5px; color: var(--muted-onink);
}
.badge-launch{
  display:inline-flex; align-items:center; gap:8px;
  font-family: var(--font-mono); font-size:12.5px; letter-spacing:.05em;
  color: var(--ink); background: var(--amber);
  padding: 7px 14px; border-radius: 999px; font-weight:600;
}
@media (max-width: 1080px){
  .footer-grid{ grid-template-columns: 1.3fr 1fr 1fr; }
}
@media (max-width: 640px){
  .footer-grid{ grid-template-columns: 1fr 1fr; }
}

/* ---------------- reveal animation ---------------- */
[data-reveal]{
  opacity:0; transform: translateY(22px);
  transition: opacity .7s cubic-bezier(.22,1,.36,1), transform .7s cubic-bezier(.22,1,.36,1);
}
[data-reveal].is-visible{ opacity:1; transform:none; }
[data-reveal-group] > *{ transition-delay: calc(var(--i,0) * 90ms); }

/* ---------------- utility ---------------- */
.grid-2{ display:grid; grid-template-columns:1fr 1fr; gap:28px; }
.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:28px; }
.grid-4{ display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
.hero-grid{ display:grid; grid-template-columns: 1.05fr 0.95fr; gap:40px; align-items:center; }
.contact-grid{ display:grid; grid-template-columns: 1fr 1.2fr; gap:56px; align-items:flex-start; }
.form-row{ display:grid; grid-template-columns: 1fr 1fr; gap:16px; }
@media (max-width: 900px){
  .grid-2, .grid-3, .grid-4, .hero-grid, .contact-grid{ grid-template-columns: 1fr; }
}
@media (max-width: 520px){
  .form-row{ grid-template-columns: 1fr; }
}
.flex-between{ display:flex; align-items:center; justify-content:space-between; }
.mono-tag{
  font-family: var(--font-mono); font-size:13px; color:var(--blue); letter-spacing:.05em;
}

/* ---------------- product screenshot frame ---------------- */
.screen{
  position: relative;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink);
  box-shadow: 6px 6px 0 rgba(11,18,32,0.9);
  transition: transform .2s ease, box-shadow .2s ease;
}
.screen:hover{ transform: translate(-3px,-3px); box-shadow: 9px 9px 0 rgba(11,18,32,0.9); }
.screen-bar{ display:flex; align-items:center; gap:6px; padding:11px 14px; }
.screen-bar span{ width:9px; height:9px; border-radius:50%; background: var(--ink-line); }
.screen img{ display:block; width:100%; cursor: zoom-in; }
.screen-caption{ margin-top:16px; }
.screen-caption .tag{
  font-family: var(--font-mono); font-size:12px; letter-spacing:.08em; text-transform:uppercase;
  color: var(--blue); font-weight:600; display:block; margin-bottom:6px;
}
.screen-caption h3{ font-size:19px; }
.screen-caption p{ color: var(--muted); font-size:15px; margin-top:6px; }

.screen-zoom-hint{
  position:absolute; top:12px; right:12px; z-index:2;
  width:32px; height:32px; border-radius:50%;
  background: rgba(11,18,32,0.6); backdrop-filter: blur(2px);
  display:flex; align-items:center; justify-content:center;
  opacity:0; transition: opacity .2s ease; pointer-events:none;
}
.screen:hover .screen-zoom-hint{ opacity:1; }
.screen-zoom-hint svg{ width:15px; height:15px; }

/* ---------------- screenshot lightbox ---------------- */
.lightbox{
  position:fixed; inset:0; z-index:1000;
  background: rgba(11,18,32,0.94);
  display:flex; align-items:center; justify-content:center;
  padding:64px 40px;
  opacity:0; visibility:hidden;
  transition: opacity .22s ease;
}
.lightbox.is-open{ opacity:1; visibility:visible; }
.lightbox-inner{ position:relative; max-width:1200px; max-height:100%; width:100%; }
.lightbox img{
  display:block; width:100%; max-height:78vh; object-fit:contain;
  border-radius: var(--radius-sm); border:2px solid var(--ink-line);
  background: var(--ink);
}
.lightbox-caption{
  margin-top:18px; text-align:center; color: var(--paper-white);
  font-family: var(--font-mono); font-size:13px; letter-spacing:.03em;
}
.lightbox-close{
  position:absolute; top:-48px; right:0;
  width:38px; height:38px; border-radius:50%;
  border:1px solid rgba(255,255,255,0.3); background:transparent;
  color:var(--paper-white); font-size:20px; line-height:1; cursor:pointer;
  display:flex; align-items:center; justify-content:center;
  transition: border-color .2s ease, color .2s ease;
}
.lightbox-close:hover{ border-color: var(--amber); color: var(--amber); }
@media (max-width:640px){
  .lightbox{ padding:20px; }
  .lightbox-close{ top:-40px; right:0; }
}

/* barcode decorative strip */
.barcode{
  display:flex; align-items:flex-end; gap:3px; height:34px; opacity:.85;
}
.barcode span{ display:block; width:3px; background: currentColor; }

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