:root {
  --bg-canvas: #13261d;
  --bg-surface: #20382b;
  --bg-surface-hover: #284636;
  --text-primary: #efe6d2;
  --text-muted: #c7bba3;
  --accent-primary: #b8923a;
  --accent-secondary: #d4af53;
  --border-subtle: rgba(239, 230, 210, 0.22);
  --ease-kinetic: cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-elevation: 0 16px 32px -4px rgba(0, 0, 0, 0.45);
  --glow-accent: 0 0 28px -4px rgba(184, 146, 58, 0.45);
  --glass-backdrop: blur(20px) saturate(190%);
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  overflow-wrap: anywhere;
  hyphens: auto;
}
html, body {
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.7;
  font-size: 16px;
}
body {
  padding: 1.5rem;
  position: relative;
}
.parchment-frame {
  border: 1px solid var(--border-subtle);
  max-width: 1280px;
  margin: 0 auto;
  background-color: var(--bg-canvas);
  position: relative;
  box-shadow: inset 0 0 0 4px var(--bg-canvas), inset 0 0 0 5px rgba(184, 146, 58, 0.25);
}
.orb-bg {
  position: absolute;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(184, 146, 58, 0.14) 0%, rgba(19, 38, 29, 0) 70%);
  pointer-events: none;
  top: 6rem;
  right: 2rem;
  animation: floatOrb 15s ease-in-out infinite alternate;
  z-index: 0;
}
@keyframes floatOrb {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-40px, 30px) scale(1.1); }
}
h1, h2, h3, h4, .ledger-label, .tagline-bar, .nav-list a, .btn-primary {
  font-family: "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
h1 { font-size: clamp(2.2rem, 4vw, 3.2rem); line-height: 1.15; margin-bottom: 1.25rem; color: var(--text-primary); }
h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); line-height: 1.25; margin-bottom: 1rem; color: var(--text-primary); border-bottom: 1px solid var(--border-subtle); padding-bottom: 0.5rem; }
h3 { font-size: 1.35rem; line-height: 1.3; margin-bottom: 0.75rem; color: var(--accent-secondary); }
p { margin-bottom: 1.1rem; max-width: 70ch; }
a { color: var(--text-primary); text-decoration: none; }
.tagline-bar {
  background-color: var(--bg-surface);
  color: var(--accent-secondary);
  font-size: 0.78rem;
  padding: 0.45rem 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  z-index: 2;
}
.site-header {
  position: relative;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--bg-canvas);
  z-index: 10;
}
.brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-align: left;
}
.brand-mark {
  width: 36px;
  height: 36px;
  border: 2px solid var(--accent-primary);
  background-color: var(--bg-surface);
  display: grid;
  place-items: center;
  font-family: "Arial Narrow", sans-serif;
  font-weight: 700;
  color: var(--accent-primary);
  font-size: 1rem;
}
.brand-text {
  font-family: "Arial Narrow", "Helvetica Neue", sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-primary);
}
.nav-list {
  display: flex;
  list-style: none;
  gap: 1.35rem;
  align-items: center;
}
.nav-list a {
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.35rem 0;
  position: relative;
}
.nav-list a::after, .text-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0%;
  height: 2px;
  background-color: var(--accent-primary);
  transition: width 0.3s var(--ease-kinetic);
}
.nav-list a:hover::after, .nav-list a[aria-current="page"]::after, .text-link:hover::after {
  width: 100%;
}
.menu-toggle {
  display: none;
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--accent-primary);
  padding: 0.4rem 0.75rem;
  font-size: 1.25rem;
  cursor: pointer;
}
main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  position: relative;
  z-index: 1;
}
.hero-ledger {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.5rem;
  align-items: center;
  padding: 2rem 0 3rem;
  border-bottom: 1px solid var(--border-subtle);
}
.ledger-kicker {
  display: inline-block;
  color: var(--accent-primary);
  font-family: "Arial Narrow", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.85rem;
  margin-bottom: 0.65rem;
  border-left: 3px solid var(--accent-primary);
  padding-left: 0.6rem;
}
.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  align-items: center;
  margin-top: 1.5rem;
}
.btn-primary {
  display: inline-block;
  background-color: var(--accent-primary);
  color: var(--bg-canvas);
  font-weight: 700;
  padding: 0.85rem 1.6rem;
  border: 1px solid var(--accent-secondary);
  cursor: pointer;
  transition: transform 0.3s var(--ease-kinetic), box-shadow 0.3s var(--ease-kinetic), background-color 0.2s;
}
.btn-primary:hover {
  background-color: var(--accent-secondary);
  transform: translateY(-3px);
  box-shadow: var(--glow-accent);
}
.text-link {
  position: relative;
  color: var(--accent-secondary);
  font-weight: 600;
  padding-bottom: 0.2rem;
  display: inline-block;
}
.diagram-frame {
  background-color: var(--bg-surface);
  border: 1px solid var(--accent-primary);
  padding: 0.75rem;
  box-shadow: var(--shadow-elevation);
}
.diagram-frame img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  aspect-ratio: 4 / 3;
  background-color: var(--bg-canvas);
  border: 1px solid var(--border-subtle);
}
.banner-img {
  aspect-ratio: 16 / 9 !important;
}
.thumb-img {
  aspect-ratio: 1 / 1 !important;
}
.diagram-caption {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
  margin-bottom: 0;
  font-family: "Arial Narrow", sans-serif;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.section-block {
  padding: 3rem 0;
  border-bottom: 1px solid var(--border-subtle);
}
.alt-project-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
  margin-top: 1.5rem;
}
.alt-project-row.image-left .project-visual { order: 1; }
.alt-project-row.image-left .project-copy { order: 2; }
.glass-panel {
  background: rgba(32, 56, 43, 0.78);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--accent-primary);
  padding: 1.5rem;
  box-shadow: var(--shadow-elevation);
  transition: transform 0.4s var(--ease-kinetic), box-shadow 0.4s var(--ease-kinetic);
}
.glass-panel:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: var(--shadow-elevation), var(--glow-accent);
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}
.badge-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.badge-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--accent-primary);
  color: var(--bg-canvas);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Arial Narrow", sans-serif;
  font-weight: 700;
  font-size: 0.78rem;
  text-transform: uppercase;
  flex-shrink: 0;
  border: 2px solid var(--text-primary);
}
.avatar-circle {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  border: 2px solid var(--accent-primary);
  background-color: var(--bg-canvas);
  color: var(--accent-secondary);
  display: grid;
  place-items: center;
  font-weight: 700;
  flex-shrink: 0;
}
.ledger-axis-list {
  border-left: 2px solid var(--accent-primary);
  padding-left: 1.25rem;
  margin: 1.25rem 0;
  list-style: none;
}
.ledger-axis-list li {
  margin-bottom: 0.65rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px dashed var(--border-subtle);
  padding-bottom: 0.35rem;
}
.cost-tag {
  font-family: "Arial Narrow", sans-serif;
  color: var(--accent-secondary);
  font-weight: 700;
  letter-spacing: 0.05em;
}
.build-sequence {
  list-style: none;
  counter-reset: step-counter;
  margin: 1.5rem 0;
}
.build-sequence li {
  counter-increment: step-counter;
  position: relative;
  padding-left: 3rem;
  margin-bottom: 1.15rem;
}
.build-sequence li::before {
  content: "0" counter(step-counter);
  position: absolute;
  left: 0;
  top: 0;
  width: 2rem;
  height: 2rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--accent-primary);
  color: var(--accent-secondary);
  font-family: "Arial Narrow", sans-serif;
  font-weight: 700;
  display: grid;
  place-items: center;
  font-size: 0.85rem;
}
details.ledger-disclosure {
  background-color: rgba(32, 56, 43, 0.65);
  border: 1px solid var(--border-subtle);
  margin-bottom: 0.85rem;
  padding: 0.9rem 1.2rem;
}
details.ledger-disclosure summary {
  cursor: pointer;
  font-family: "Arial Narrow", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
  color: var(--accent-secondary);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
details.ledger-disclosure summary::after {
  content: "+";
  color: var(--accent-primary);
  font-size: 1.2rem;
}
details.ledger-disclosure[open] summary::after {
  content: "−";
}
details.ledger-disclosure .disclosure-body {
  margin-top: 0.85rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-subtle);
}
.table-wrap {
  overflow-x: auto;
  margin: 1.5rem 0;
  border: 1px solid var(--border-subtle);
}
table.ledger-table {
  width: 100%;
  border-collapse: collapse;
  background-color: rgba(32, 56, 43, 0.5);
  text-align: left;
  font-size: 0.94rem;
}
table.ledger-table th, table.ledger-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
}
table.ledger-table th {
  background-color: var(--bg-surface);
  font-family: "Arial Narrow", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-secondary);
}
.form-grid {
  display: grid;
  gap: 1.15rem;
  max-width: 680px;
}
.form-group label {
  display: block;
  font-family: "Arial Narrow", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.4rem;
  color: var(--accent-secondary);
}
.form-control {
  width: 100%;
  padding: 0.75rem;
  background-color: var(--bg-canvas);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
}
.form-control:focus-visible, .btn-primary:focus-visible, a:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent-secondary);
  outline-offset: 2px;
}
.composer-output {
  background-color: var(--bg-canvas);
  border: 1px solid var(--accent-primary);
  padding: 1rem;
  white-space: pre-wrap;
  font-family: monospace;
  font-size: 0.9rem;
  min-height: 130px;
  margin-top: 1rem;
}
.site-footer {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  padding: 2.5rem 1.5rem;
  margin-top: 2rem;
  font-size: 0.9rem;
}
.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
}
.footer-links {
  list-style: none;
}
.footer-links li {
  margin-bottom: 0.45rem;
}
.reveal-item {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease-kinetic), transform 0.7s var(--ease-kinetic);
}
.reveal-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (max-width: 768px) {
  body { padding: 0.5rem; }
  .tagline-bar { flex-direction: column; align-items: flex-start; gap: 0.25rem; }
  .menu-toggle { display: block; }
  .nav-list {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-surface);
    border-bottom: 2px solid var(--accent-primary);
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem 1.5rem;
    gap: 0.85rem;
  }
  .nav-list.nav-open { display: flex; }
  .hero-ledger, .alt-project-row { grid-template-columns: 1fr; }
  .alt-project-row.image-left .project-visual { order: 0; }
  .alt-project-row.image-left .project-copy { order: 0; }
}

@media (prefers-reduced-motion: reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}