/* ==========================================================================
   penscanner.org Core Stylesheet (assets/site.css)
   Extracted for optimal browser caching across pages & Core Web Vitals
   ========================================================================== */

:root {
  --fill: #00ffc2;
  --accent: #00ffc2;
  --ink: #d9f2ea;
  --paper: #05070a;
  --paper-2: #0b1310;
  --card: #0f1a16;
  --card-bg: #0f1a16;
  --line: #1c2b26;
  --line-strong: #294038;
  --muted: #8fa39d;
  --ink-dim: #8fa39d;
  --ink-faint: #7c9089;
  --tint: #0f1a16;
  --scan: #00ffc2;
  --scan-ink: #00ffc2;
  --scan-glow: rgba(0, 255, 194, .30);
  --amber: #ffb020;
  --amber-soft: rgba(255, 176, 32, .10);
  --amber-ink: #ffb020;
  --danger: #ff5c5c;
  --radius: 2px;
  --disp: 'Space Grotesk', sans-serif;
  --body: 'JetBrains Mono', ui-monospace, monospace;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  --prose: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--mono);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(0, 255, 194, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 194, .035) 1px, transparent 1px);
  background-size: 38px 38px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 0%, transparent 75%);
}

a { color: inherit; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }
::selection { background: var(--scan-glow); }
:focus-visible { outline: 2px solid var(--scan); outline-offset: 3px; border-radius: var(--radius); }

/* --- Topbar & Header --- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  padding: 0;
  border-bottom: 1px solid var(--line);
  background: rgba(5, 7, 10, .86);
  backdrop-filter: blur(10px);
}
.topbar-wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; }
.logo {
  display: flex; align-items: center; gap: 9px;
  font-family: var(--disp); font-weight: 700; font-size: 16px; letter-spacing: -.01em;
  text-decoration: none; padding: 9px 0; color: var(--ink); white-space: nowrap;
}
.logo svg { flex: none; color: var(--scan); }
.logo span { color: var(--scan); }
.topbar-nav { display: flex; align-items: center; gap: 2px; margin: 0 auto 0 28px; }
.topbar-nav a {
  font-family: var(--mono); font-weight: 600; font-size: 11.5px; letter-spacing: .07em; text-transform: uppercase;
  color: var(--ink-dim); text-decoration: none; padding: 8px 12px; border-radius: var(--radius); white-space: nowrap;
  border: 1px solid transparent;
}
.topbar-nav a:hover { color: var(--scan); border-color: var(--line); }
.topbar-nav a[aria-current=page] { color: var(--scan); background: rgba(0, 255, 194, .08); border-color: rgba(0, 255, 194, .3); }
.menu-btn { display: none; }

@media (max-width: 640px) {
  .menu-btn {
    display: flex; align-items: center; justify-content: center;
    width: 44px; height: 44px; margin-left: auto; margin-right: 10px;
    background: none; border: 1px solid var(--line); border-radius: var(--radius);
    color: var(--ink); cursor: pointer; padding: 0;
  }
  .menu-btn .mb-close { display: none; }
  .topbar[data-open] .menu-btn .mb-open { display: none; }
  .topbar[data-open] .menu-btn .mb-close { display: block; }
  .topbar[data-open] .menu-btn { color: var(--scan); border-color: var(--scan); }
  .topbar-nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0; margin: 0;
    background: #05070a; border-bottom: 1px solid var(--line);
    box-shadow: 0 18px 30px -12px rgba(0, 0, 0, .7); padding: 6px 24px 14px;
  }
  .topbar[data-open] .topbar-nav { display: flex; }
  .topbar-nav a {
    min-height: 48px; display: flex; align-items: center;
    font-size: 13px; padding: 0 12px; border-radius: var(--radius);
    border-bottom: 1px solid var(--line);
  }
  .topbar-nav a:last-child { border-bottom-color: transparent; }
  .topbar-cta { display: none; }
}

.topbar-cta {
  font-family: var(--mono); font-weight: 700; font-size: 11.5px; letter-spacing: .06em; text-transform: uppercase;
  background: var(--scan); color: #032019; padding: 9px 16px; border-radius: var(--radius);
  text-decoration: none; white-space: nowrap;
}

/* --- Dark Theme & Header Sweep --- */
.psorg-dark { font-family: var(--mono); }
.psorg-dark .logosub { color: #032019; }
.psorg-dark .direct-answer { color: var(--ink); border-left-color: var(--scan); }
.psorg-dark .gfaq summary::after { color: var(--fill); }
.psorg-dark .stickycta { background: #0b1310; border-top: 1px solid var(--fill); box-shadow: 0 -8px 24px -8px rgba(0, 0, 0, .5); }
.psorg-dark .stickycta a { color: #032019; }
.psorg-dark .pbjbrand { font-family: var(--disp); font-style: normal; color: var(--fill); }

.psorg-dark header::before {
  content: ''; position: absolute; left: 0; right: 0; height: 2px; top: 0;
  background: linear-gradient(90deg, transparent, var(--fill) 20%, var(--fill) 80%, transparent);
  box-shadow: 0 0 16px 2px rgba(0, 255, 194, .35); opacity: .6;
  animation: psorgHeaderSweep 6s ease-in-out infinite;
}
@keyframes psorgHeaderSweep { 0%, 100% { opacity: .25; } 50% { opacity: .7; } }
@media (prefers-reduced-motion: reduce) { .psorg-dark header::before { animation: none; } }

/* --- Prose Body Typography Refinement --- */
.guide-body p,
.guide-body li {
  font-family: var(--prose);
  font-size: 1.05rem;
  line-height: 1.68;
  color: var(--ink);
}

.guide-body pre,
.guide-body code,
.guide-body table,
.guide-body .pwidget,
.guide-body .gfaq,
.guide-body .disclosure-note {
  font-family: var(--mono);
}

/* --- Network Footer --- */
.netfoot {
  background: var(--paper-2); border-top: 1px solid var(--line);
  text-align: left; padding: 0 0 26px; margin: 0;
  color: var(--ink); font-size: 16px; position: relative; overflow: hidden;
  --vio: #a78bfa;
}
.netfoot-wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; width: 100%; box-sizing: border-box; }
.netfoot-beam {
  position: absolute; left: 0; right: 0; top: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--scan) 20%, var(--scan) 80%, transparent);
  box-shadow: 0 0 20px 3px var(--scan-glow); transform: translateY(0); opacity: .6;
}
@media (prefers-reduced-motion: no-preference) { .netfoot-beam { animation: netfootSweep 7s ease-in-out infinite; } }
@keyframes netfootSweep { 0%, 100% { opacity: .15; } 50% { opacity: .75; } }

.netfoot-grid { display: grid; column-gap: 52px; row-gap: 40px; grid-template-columns: 1.15fr 1fr 1fr 1fr; align-items: start; padding: 52px 0 36px; }
@media (max-width: 960px) { .netfoot-grid { grid-template-columns: repeat(2, 1fr); column-gap: 40px; } }
@media (max-width: 560px) { .netfoot-grid { grid-template-columns: 1fr; row-gap: 32px; } }

.netfoot-mark {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: .1em; color: var(--scan);
  margin: 0 0 16px; border-bottom: 1px solid var(--line); padding-bottom: 10px; box-sizing: border-box; min-height: 29px;
}
.netfoot-mark .px { width: 6px; height: 6px; border-radius: 50%; background: var(--scan); box-shadow: 0 0 8px var(--scan); flex: none; }
.netcol h2 { font-family: var(--mono); font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .07em; color: var(--amber); margin: 0 0 16px; border-bottom: 1px solid var(--line); padding-bottom: 10px; min-height: 29px; box-sizing: border-box; }
.netcol-net .netlinks a:hover { color: var(--vio); }
.netcol-brand p { font-family: var(--prose); font-size: .84rem; color: var(--ink-dim); max-width: 34ch; line-height: 1.6; margin: 0 0 12px; }
.netcol-brand p:last-child { margin-bottom: 0; }
.netcol-brand a { color: var(--scan); font-weight: 700; text-decoration: none; }
.netcol-brand a:hover { text-decoration: underline; }

.netfoot .netlinks { display: flex; flex-direction: column; }
.netfoot .netlinks a { color: var(--ink); text-decoration: none; font-weight: 600; font-size: .88rem; display: flex; flex-direction: column; justify-content: center; min-height: 44px; line-height: 1.3; border-bottom: 1px solid var(--line); transition: padding-left .15s ease; }
.netfoot .netlinks a:last-child { border-bottom: 0; }
.netfoot .netlinks a:hover { color: var(--scan); padding-left: 4px; }
.netfoot .netlinks a span { font-weight: 500; font-size: .78rem; color: var(--ink-dim); margin-top: 2px; }

.netfoot .netfoot-bot {
  border-top: 1px solid var(--line); padding-top: 16px; padding-bottom: 8px; font-size: .76rem; color: var(--ink-faint); text-align: left; margin-top: 8px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.netfoot .netbot-nav { display: flex; align-items: center; gap: 8px; }
.netfoot .netbot-nav a { color: var(--ink-dim); text-decoration: none; font-weight: 600; display: inline-flex; align-items: center; min-height: 36px; padding: 0 8px; border-radius: var(--radius); }
.netfoot .netbot-nav a:hover { color: var(--scan); background: rgba(255,255,255,.04); }

/* --- Guides Search Component --- */
.gsearch { margin: -10px 0 26px; }
.gsearch-label { display: block; font-family: var(--mono); font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .07em; color: var(--amber); margin-bottom: 8px; }
.gsearch-row {
  display: flex; align-items: center; gap: 10px;
  background: var(--card-bg); border: 1.5px solid var(--line); border-radius: 3px;
  padding: 0 14px; max-width: 480px;
}
.gsearch-row:focus-within { border-color: var(--fill); }
.gsearch-row svg { flex: none; color: var(--muted); }
.gsearch-row input {
  flex: 1; min-height: 48px; border: 0; background: none; outline: none;
  font-family: var(--mono); font-size: .95rem; color: var(--ink);
}
.gsearch-row input::placeholder { color: var(--muted); opacity: .7; }
.gsearch-row input::-webkit-search-cancel-button { -webkit-appearance: none; }
.gsearch-count { flex: none; font-family: var(--mono); font-size: .78rem; font-weight: 600; color: var(--muted); }
.gsearch-empty { margin: 14px 2px 0; font-size: .9rem; color: var(--muted); max-width: 52ch; }
.gsearch-empty a { color: var(--fill); font-weight: 600; }
.visually-hidden { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* --- Journey Callout --- */
.jcall {
  background: var(--card-bg); border: 1px solid var(--line); border-left: 4px solid var(--scan);
  border-radius: var(--radius); padding: 20px 24px; margin: 32px 0;
}
.jcall-kicker { font-family: var(--mono); font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--amber); margin: 0 0 6px; }
.jcall-title { font-family: var(--disp); font-size: 1.15rem; font-weight: 700; color: var(--ink); margin: 0 0 6px; }
.jcall-sub { font-family: var(--prose); font-size: .9rem; color: var(--muted); line-height: 1.5; margin: 0 0 14px; }
.jcall-cta { font-family: var(--mono); font-size: .84rem; font-weight: 700; color: var(--scan); text-decoration: none; }
.jcall-cta:hover { text-decoration: underline; }

/* --- Animated OCR Flow Infographic Component --- */
.ocr-vfx-wrapper {
  --vfx-accent: var(--scan, #00ffc2);
  --vfx-accent-glow: rgba(0, 255, 194, 0.35);
  --vfx-bg: var(--card-bg, #0f1a16);
  --vfx-ink: var(--ink, #d9f2ea);
  --vfx-muted: var(--muted, #8fa39d);
  --vfx-line: var(--line, #1c2b26);
  font-family: var(--prose, system-ui, sans-serif);
  max-width: 640px;
  margin: 36px auto;
  padding: 24px 20px;
  background: var(--paper-2, #0b1310);
  border: 1px solid var(--line-strong, #294038);
  border-radius: 12px;
}
.ocr-vfx-container {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-left: 40px;
}
.ocr-vfx-track {
  position: absolute;
  left: 11px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: var(--vfx-line);
  border-radius: 2px;
  overflow: hidden;
}
.ocr-vfx-particle {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 60px;
  background: linear-gradient(to bottom, transparent, var(--vfx-accent) 80%, #fff 100%);
  box-shadow: 0 0 15px 2px var(--vfx-accent-glow);
  animation: vfx-scan 4s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}
.ocr-vfx-node {
  position: relative;
  background: var(--vfx-bg);
  border: 1px solid var(--vfx-line);
  padding: 16px 20px;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
  transition: all 0.3s ease;
  animation: vfx-pulse 4s infinite;
}
.ocr-vfx-node::before {
  content: '';
  position: absolute;
  left: -41px;
  top: 20px;
  width: 24px;
  height: 24px;
  background: var(--paper-2);
  border: 2px solid var(--vfx-line);
  border-radius: 50%;
  z-index: 2;
  transition: all 0.3s ease;
  animation: vfx-pulse-dot 4s infinite;
}
.ocr-vfx-title {
  font-family: var(--disp);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--vfx-ink);
  margin: 0 0 6px 0;
  letter-spacing: -0.01em;
}
.ocr-vfx-desc {
  font-family: var(--prose);
  font-size: 0.9rem;
  color: var(--vfx-muted);
  margin: 0;
  line-height: 1.5;
}
.ocr-vfx-node:nth-child(1), .ocr-vfx-node:nth-child(1)::before { animation-delay: 0.0s; }
.ocr-vfx-node:nth-child(2), .ocr-vfx-node:nth-child(2)::before { animation-delay: 0.5s; }
.ocr-vfx-node:nth-child(3), .ocr-vfx-node:nth-child(3)::before { animation-delay: 1.0s; }
.ocr-vfx-node:nth-child(4), .ocr-vfx-node:nth-child(4)::before { animation-delay: 1.5s; }
.ocr-vfx-node:nth-child(5), .ocr-vfx-node:nth-child(5)::before { animation-delay: 2.0s; }
.ocr-vfx-node:nth-child(6), .ocr-vfx-node:nth-child(6)::before { animation-delay: 2.5s; }
.ocr-vfx-node:nth-child(7), .ocr-vfx-node:nth-child(7)::before { animation-delay: 3.0s; }

@keyframes vfx-scan {
  0% { transform: translateY(-100px); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(1000px); opacity: 0; }
}
@keyframes vfx-pulse {
  0%, 100% { border-color: var(--vfx-line); box-shadow: 0 2px 8px rgba(0,0,0,0.2); transform: translateX(0); }
  10% { border-color: var(--vfx-accent); box-shadow: 0 6px 20px var(--vfx-accent-glow); transform: translateX(4px); }
  25% { border-color: var(--vfx-line); box-shadow: 0 2px 8px rgba(0,0,0,0.2); transform: translateX(0); }
}
@keyframes vfx-pulse-dot {
  0%, 100% { border-color: var(--vfx-line); background: var(--paper-2); box-shadow: none; }
  10% { border-color: var(--vfx-accent); background: var(--vfx-accent); box-shadow: 0 0 12px var(--vfx-accent-glow); }
  25% { border-color: var(--vfx-line); background: var(--paper-2); box-shadow: none; }
}
@media (prefers-reduced-motion: reduce) {
  .ocr-vfx-particle { display: none; }
  .ocr-vfx-node, .ocr-vfx-node::before { animation: none !important; transform: none !important; }
}