/* Black Forest (Schwarzwald) Photographic Field Atlas & Forensic Detail Dossier for /flux */
:root {
  --fxd-paper: #F3EFE6;
  --fxd-paper-alt: #EAE4D7;
  --fxd-ink: #141615;
  --fxd-muted: #464B48;
  --fxd-pine: #123024;
  --fxd-copper: #C84B28;
  --fxd-rule: 1.5px solid #141615;
  --fxd-rule-thin: 1px solid rgba(20, 22, 21, 0.35);
  --fxd-font-sans: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  --fxd-font-serif: 'Instrument Serif', Georgia, serif;
  --fxd-font-mono: 'IBM Plex Mono', monospace;
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

.fxd-body {
  margin: 0;
  background-color: #DFD9CC;
  color: var(--fxd-ink);
  font-family: var(--fxd-font-sans);
  line-height: 1.55;
  padding: 18px 14px;
  -webkit-font-smoothing: antialiased;
}

.fxd-sheet {
  max-width: 1240px;
  margin: 0 auto;
  background-color: var(--fxd-paper);
  border: 2px solid var(--fxd-ink);
  box-shadow: 0 18px 40px rgba(18, 48, 36, 0.12);
}

/* Top Serial Bar */
.fxd-serial-bar {
  display: grid;
  grid-template-columns: 1.5fr 2fr 0.8fr 0.8fr;
  border-bottom: var(--fxd-rule);
  font-family: var(--fxd-font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.fxd-serial-bar__cell {
  padding: 8px 14px;
  border-right: var(--fxd-rule);
  display: flex;
  align-items: center;
}

.fxd-serial-bar__cell:last-child {
  border-right: none;
  justify-content: flex-end;
  color: var(--fxd-copper);
}

/* Masthead */
.fxd-masthead {
  border-bottom: var(--fxd-rule);
}

.fxd-masthead__title-row {
  padding: 26px 24px;
  border-bottom: var(--fxd-rule);
}

.fxd-h1 {
  margin: 0;
  font-family: var(--fxd-font-sans);
  font-size: clamp(1.9rem, 4.1vw, 3.35rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.025em;
  text-transform: uppercase;
}

.fxd-copper {
  font-style: normal;
  color: var(--fxd-copper);
}

/* Pill Navigation Row */
.fxd-pill-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 12px 24px;
  background-color: var(--fxd-paper-alt);
}

.fxd-pill-bar__left,
.fxd-pill-bar__center,
.fxd-pill-bar__right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.fxd-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 15px;
  border-radius: 999px;
  border: 1.5px solid var(--fxd-ink);
  background: var(--fxd-paper);
  color: var(--fxd-ink);
  font-size: 0.83rem;
  font-weight: 600;
  text-decoration: none;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.fxd-pill:hover {
  background: var(--fxd-ink);
  color: var(--fxd-paper);
}

.fxd-pill--mono {
  font-family: var(--fxd-font-mono);
  font-size: 0.76rem;
}

.fxd-pill--pine {
  background: var(--fxd-pine);
  color: var(--fxd-paper);
  border-color: var(--fxd-pine);
}

.fxd-pill--copper {
  background: var(--fxd-copper);
  color: #FFFFFF;
  border-color: var(--fxd-ink);
}

.fxd-lang {
  position: relative;
  font-family: var(--fxd-font-mono);
  cursor: pointer;
}

.fxd-lang__select {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

/* Main Forensic Section */
.fxd-forensic {
  padding: 28px 24px 36px;
  border-bottom: var(--fxd-rule);
}

.fxd-crumbs {
  font-family: var(--fxd-font-mono);
  font-size: 0.78rem;
  margin-bottom: 12px;
  display: flex;
  gap: 8px;
}

.fxd-crumbs a {
  color: var(--fxd-ink);
}

.fxd-lead {
  font-size: 1.08rem;
  color: var(--fxd-muted);
  max-width: 920px;
  margin: 0 0 26px;
}

.fxd-forensic-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 28px;
  align-items: start;
  margin-bottom: 28px;
}

/* Specimen Plates with Millimeter Rulers */
.fxd-specimen {
  background: var(--fxd-paper-alt);
  border: var(--fxd-rule);
  padding: 12px;
}

.fxd-ruler-top,
.fxd-ruler-bottom {
  display: flex;
  justify-content: space-between;
  font-family: var(--fxd-font-mono);
  font-size: 0.68rem;
  color: var(--fxd-muted);
  padding: 4px 6px;
  border-bottom: 1px dashed rgba(20, 22, 21, 0.4);
  margin-bottom: 8px;
}

.fxd-ruler-bottom {
  border-bottom: none;
  border-top: 1px dashed rgba(20, 22, 21, 0.4);
  margin-bottom: 0;
  margin-top: 8px;
}

.fxd-specimen__frame {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 6px;
}

.fxd-ruler-left {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  font-family: var(--fxd-font-mono);
  font-size: 0.66rem;
  color: var(--fxd-muted);
  border-right: 1px dashed rgba(20, 22, 21, 0.4);
  padding-right: 4px;
}

.fxd-specimen__canvas {
  position: relative;
  border: 1.5px solid var(--fxd-ink);
  overflow: hidden;
  background: var(--fxd-pine);
}

.fxd-macro-svg,
.fxd-bottle-svg {
  display: block;
  width: 100%;
  height: auto;
}

.fxd-specimen__stamp {
  position: absolute;
  bottom: 10px;
  left: 10px;
  background: rgba(243, 239, 230, 0.94);
  color: var(--fxd-ink);
  border: 1px solid var(--fxd-ink);
  font-family: var(--fxd-font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 8px;
}

/* Numbered Forensic Callouts 01-04 */
.fxd-callouts-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.fxd-callout {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  background: var(--fxd-paper);
  border: var(--fxd-rule);
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.fxd-callout.is-active {
  background: #FFFFFF;
  border-color: var(--fxd-copper);
  box-shadow: 4px 4px 0 var(--fxd-pine);
}

.fxd-callout__num {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1.5px solid var(--fxd-ink);
  background: var(--fxd-paper-alt);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--fxd-font-mono);
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.fxd-callout.is-active .fxd-callout__num {
  background: var(--fxd-copper);
  color: #FFFFFF;
}

.fxd-callout__title {
  margin: 0 0 4px;
  font-size: 1.04rem;
  font-weight: 700;
}

.fxd-callout__text {
  margin: 0;
  font-size: 0.88rem;
  color: var(--fxd-muted);
}

.fxd-callout-pair {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

/* Interactive Prompt Inspector Bar */
.fxd-inspector-bar {
  border: var(--fxd-rule);
  background: #FFFFFF;
}

.fxd-inspector-bar__tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: var(--fxd-rule);
}

.fxd-tab {
  background: var(--fxd-paper-alt);
  color: var(--fxd-ink);
  border: none;
  border-right: var(--fxd-rule);
  padding: 12px 14px;
  font-family: var(--fxd-font-sans);
  font-size: 0.85rem;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
}

.fxd-tab:last-child {
  border-right: none;
}

.fxd-tab.is-active {
  background: var(--fxd-pine);
  color: var(--fxd-paper);
}

.fxd-inspector-bar__console {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  flex-wrap: wrap;
}

.fxd-inspector-bar__prefix {
  font-family: var(--fxd-font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--fxd-copper);
}

.fxd-inspector-bar__prompt {
  margin: 0;
  flex: 1;
  font-family: var(--fxd-font-mono);
  font-size: 0.92rem;
  font-weight: 600;
}

.fxd-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 22px;
  border: 1.5px solid var(--fxd-ink);
  font-weight: 700;
  font-size: 0.92rem;
  text-decoration: none;
  cursor: pointer;
}

.fxd-btn--pine {
  background: var(--fxd-pine);
  color: var(--fxd-paper);
}

.fxd-btn--copper {
  background: var(--fxd-copper);
  color: #FFFFFF;
}

.fxd-btn--lg {
  padding: 14px 28px;
  font-size: 1.02rem;
}

/* Archival Specification Section */
.fxd-section {
  padding: 36px 24px;
  border-bottom: var(--fxd-rule);
}

.fxd-section--last {
  border-bottom: none;
}

.fxd-spec-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}

.fxd-kicker {
  display: inline-block;
  font-family: var(--fxd-font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--fxd-copper);
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.fxd-h2 {
  margin: 0;
  font-size: clamp(1.55rem, 2.8vw, 2.2rem);
  line-height: 1.15;
}

.fxd-spec-pills {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.fxd-table-wrap {
  overflow-x: auto;
  border: var(--fxd-rule);
  margin-bottom: 28px;
  background: #FFFFFF;
}

.fxd-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.fxd-table th,
.fxd-table td {
  padding: 14px 16px;
  border-bottom: var(--fxd-rule-thin);
  border-right: var(--fxd-rule-thin);
  vertical-align: top;
}

.fxd-table th {
  background: var(--fxd-paper-alt);
  font-size: 0.92rem;
}

.fxd-check {
  color: var(--fxd-copper);
  font-weight: 700;
}

/* Benefits & Steps */
.fxd-benefits-grid,
.fxd-steps-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.fxd-benefit-card,
.fxd-step-item {
  border: var(--fxd-rule);
  padding: 18px;
  background: var(--fxd-paper-alt);
}

.fxd-benefit-card__code,
.fxd-step-item__num {
  display: inline-block;
  font-family: var(--fxd-font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--fxd-copper);
  margin-bottom: 8px;
}

.fxd-benefit-card__title {
  margin: 0 0 8px;
  font-size: 1.08rem;
}

.fxd-benefit-card__body,
.fxd-step-item__text {
  margin: 0;
  font-size: 0.9rem;
  color: var(--fxd-muted);
}

/* FAQ */
.fxd-faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 28px;
}

.fxd-faq-item {
  border: var(--fxd-rule);
  background: #FFFFFF;
  padding: 15px 18px;
}

.fxd-faq-item__q {
  font-weight: 700;
  cursor: pointer;
}

.fxd-faq-item__a p {
  margin: 10px 0 0;
  font-size: 0.9rem;
  color: var(--fxd-muted);
}

.fxd-final-box {
  border: var(--fxd-rule);
  background: var(--fxd-pine);
  color: var(--fxd-paper);
  padding: 26px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.fxd-final-box__title {
  margin: 0 0 14px;
  font-size: 1.55rem;
}

.fxd-related {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* Footer */
.fxd-footer {
  border-top: var(--fxd-rule);
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 0.88rem;
}

.fxd-footer__links {
  display: flex;
  gap: 16px;
}

.fxd-footer__links a {
  color: var(--fxd-ink);
  font-weight: 700;
}

@media (max-width: 940px) {
  .fxd-serial-bar,
  .fxd-forensic-grid,
  .fxd-callout-pair,
  .fxd-inspector-bar__tabs,
  .fxd-benefits-grid,
  .fxd-steps-strip,
  .fxd-faq-grid {
    grid-template-columns: 1fr;
  }
}