/**
 * Dark-tech marketing modules for /use-cases.
 * Scoped under .darktech-page so global site styles stay predictable.
 * Add new modules as partials + optional BEM under .darktech-*.
 */

.darktech-page {
  --dt-bg: #0b0e14;
  --dt-panel: #12161f;
  --dt-orange: #e8942a;
  --dt-orange-dim: rgba(232, 148, 42, 0.35);
  --dt-grey: #5a6169;
  --dt-grey-bar: #3d434c;
  --dt-blue: #6eb8e8;
  --dt-gold: #d7b36a;
  --dt-line: rgba(255, 255, 255, 0.1);
  --dt-mono: "IBM Plex Mono", ui-monospace, monospace;
  --dt-serif: "Lora", Georgia, serif;
}

.darktech-page .section-darktech {
  background: var(--dt-bg);
  color: #fff;
  padding: 0;
}

.darktech-page .section-darktech .section-inner {
  padding-top: 72px;
  padding-bottom: 72px;
  max-width: 1280px;
  margin: 0 auto;
}

/* ——— R² Montney module ——— */
.darktech-r2 {
  border: 1px solid var(--dt-line);
  border-radius: 4px;
  background: linear-gradient(165deg, var(--dt-panel) 0%, var(--dt-bg) 100%);
  overflow: hidden;
}

.darktech-r2__header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.15rem 1.5rem;
  border-bottom: 2px solid var(--dt-orange);
  font-family: var(--dt-mono);
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.darktech-r2__brand {
  font-weight: 600;
  letter-spacing: 0.22em;
}

.darktech-r2__crumb {
  color: rgba(255, 255, 255, 0.55);
}

.darktech-r2__body {
  padding: 1.75rem 1.75rem 1.5rem;
}

.darktech-r2__title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.darktech-r2__title {
  font-family: var(--dt-mono);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.92);
}

.darktech-r2__kpi {
  font-family: var(--dt-mono);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--dt-orange);
  text-align: right;
}

/* Chart grid — labels + bars + values share one set of column variables so
 * the absolutely-positioned brackets can map % → bar-area precisely. */
.darktech-r2__chart {
  --r2-label-col: 220px;
  --r2-label-gap: 1.25rem;
  --r2-value-col: 5.25rem;
  --r2-bars-from-left: calc(var(--r2-label-col) + var(--r2-label-gap));
  --r2-bars-from-right: calc(var(--r2-value-col) + var(--r2-label-gap));
  --r2-bars-width: calc(100% - var(--r2-bars-from-left) - var(--r2-bars-from-right));
  --r2-row-h: 56px;
  --r2-row-gap: 8px;
  --r2-bracket-h: 30px;
  --r2-bracket-pad: 14px;

  position: relative;
  padding-top: calc(var(--r2-bracket-h) + var(--r2-bracket-pad));
}

.darktech-r2__row {
  display: grid;
  grid-template-columns: var(--r2-label-col) 1fr var(--r2-value-col);
  column-gap: var(--r2-label-gap);
  align-items: center;
  height: var(--r2-row-h);
  margin-bottom: var(--r2-row-gap);
}

.darktech-r2__row:last-child {
  margin-bottom: 0;
}

.darktech-r2__row--axis {
  height: auto;
  margin-top: 0.45rem;
  margin-bottom: 0;
}

.darktech-r2__label {
  font-family: var(--dt-mono);
  font-size: 1.02rem;
  line-height: 1.3;
  color: rgba(255, 255, 255, 0.92);
}

.darktech-r2__label strong {
  display: block;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.darktech-r2__label small {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.02em;
  text-transform: none;
  line-height: 1.35;
}

.darktech-r2__track {
  position: relative;
  height: 36px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 2px;
}

.darktech-r2__bar {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: calc(var(--score) * 100%);
  border-radius: 2px;
  min-width: 4px;
}

.darktech-r2__bar--grey {
  background: linear-gradient(90deg, var(--dt-grey-bar), var(--dt-grey));
}

.darktech-r2__bar--orange {
  background: linear-gradient(90deg, #c97818, var(--dt-orange));
  box-shadow: 0 0 22px var(--dt-orange-dim);
}

.darktech-r2__value {
  font-family: var(--dt-mono);
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

/* Bottom scale aligns with the bars column (column 2) only. */
.darktech-r2__scale {
  display: flex;
  justify-content: space-between;
  font-family: var(--dt-mono);
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.5);
}

/* +20 PTS horizontal measurement bracket — sits at top of bars area, with
 * its left/right edges acting as down-tick caps and a horizontal line on top.
 * Positioned via --from / --to (R² values 0–1). */
.darktech-r2__h-bracket {
  position: absolute;
  top: 0;
  height: var(--r2-bracket-h);
  left: calc(var(--r2-bars-from-left) + var(--r2-bars-width) * var(--from));
  width: calc(var(--r2-bars-width) * (var(--to) - var(--from)));
  border-top: 1.5px solid var(--dt-orange);
  border-left: 1.5px solid var(--dt-orange);
  border-right: 1.5px solid var(--dt-orange);
  pointer-events: none;
}

.darktech-r2__h-bracket-label {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  margin-bottom: 0.2rem;
  font-family: var(--dt-mono);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--dt-orange);
  white-space: nowrap;
}

/* Sensor-Quality vertical measurement bracket — two dashed light-blue
 * verticals at PnP-end (--from) and NCS-end (--to), connected at the top,
 * spanning the PnP and NCS rows (rows 3 and 4 in the chart). */
.darktech-r2__sq-bracket {
  position: absolute;
  /* Top sits a few px above the PnP bar (row index 2). */
  top: calc(
    var(--r2-bracket-h) + var(--r2-bracket-pad)
    + (var(--r2-row-h) + var(--r2-row-gap)) * 2
    - 6px
  );
  /* Reaches down to the middle of the NCS bar (row index 3). */
  height: calc(
    var(--r2-row-h) + var(--r2-row-gap) + var(--r2-row-h) * 0.5 + 6px
  );
  left: calc(var(--r2-bars-from-left) + var(--r2-bars-width) * var(--from));
  width: calc(var(--r2-bars-width) * (var(--to) - var(--from)));
  border-left: 1.5px dashed var(--dt-blue);
  border-right: 1.5px dashed var(--dt-blue);
  border-top: 1.5px dashed var(--dt-blue);
  pointer-events: none;
  z-index: 2;
}

.darktech-r2__sq-bracket-label {
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  padding: 0 0.3rem;
  background: var(--dt-panel);
  font-family: var(--dt-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--dt-blue);
  text-align: center;
  line-height: 1.2;
  white-space: nowrap;
}

.darktech-r2__axis {
  margin-top: 0.5rem;
  font-family: var(--dt-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
  text-align: center;
}

.darktech-r2__annot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px dashed rgba(255, 255, 255, 0.12);
}

.darktech-r2__bridge {
  font-family: var(--dt-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--dt-orange);
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--dt-orange);
  border-radius: 2px;
  letter-spacing: 0.04em;
}

.darktech-r2__sensor {
  display: inline-flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.45rem;
  font-family: var(--dt-mono);
  font-size: 0.85rem;
  color: var(--dt-blue);
}

.darktech-r2__sensor-arrows {
  letter-spacing: 0.15em;
  color: var(--dt-orange);
}

.darktech-r2__sensor-key {
  font-weight: 600;
  letter-spacing: 0.04em;
}

.darktech-r2__sensor-text {
  color: rgba(255, 255, 255, 0.78);
  font-family: var(--dt-mono);
  font-size: 0.85rem;
  letter-spacing: 0.01em;
}

/* Mobile: stack labels above bars; collapse value into the track and drop
 * the absolutely-positioned brackets (they don't translate to a stacked
 * layout cleanly — the annot row below explains the same insight). */
@media (max-width: 760px) {
  .darktech-r2__chart {
    --r2-label-col: 1fr;
    --r2-value-col: 0;
    --r2-bars-from-left: 0px;
    --r2-bars-from-right: 0px;
    --r2-bars-width: 100%;
    padding-top: 0.25rem;
  }
  .darktech-r2__row {
    grid-template-columns: 1fr;
    height: auto;
    row-gap: 0.4rem;
    margin-bottom: 1.1rem;
  }
  .darktech-r2__row--axis {
    margin-top: 0.25rem;
  }
  .darktech-r2__value {
    margin-top: 0.25rem;
  }
  .darktech-r2__h-bracket,
  .darktech-r2__sq-bracket {
    display: none;
  }
}

.darktech-r2__footer {
  padding: 1.35rem 1.75rem 1.5rem;
  border-top: 1px solid var(--dt-line);
  background: rgba(0, 0, 0, 0.25);
}

.darktech-r2__pullquote {
  font-family: var(--dt-serif);
  font-size: clamp(1.05rem, 2.4vw, 1.45rem);
  font-weight: 400;
  line-height: 1.45;
  color: rgba(255, 255, 255, 0.95);
  max-width: 52rem;
}

.darktech-r2__pullquote em {
  font-style: italic;
  color: var(--dt-gold);
}

/* ——— Landing depth / wellbore module ——— */
.darktech-well {
  position: relative;
  border: 1px solid var(--dt-line);
  border-radius: 4px;
  background-color: var(--dt-bg);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 24px 24px;
  overflow: hidden;
}

.darktech-well__meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1rem 1.25rem 0;
  font-family: var(--dt-mono);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
}

.darktech-well__intro {
  padding: 0.5rem 1.25rem 1.25rem;
}

.darktech-well__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.85rem;
}

.darktech-well__tag {
  font-family: var(--dt-mono);
  font-size: 0.55rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.3rem 0.55rem;
  border-radius: 2px;
}

.darktech-well__tag--gold {
  background: rgba(215, 179, 106, 0.2);
  color: var(--dt-gold);
  border: 1px solid rgba(215, 179, 106, 0.45);
}

.darktech-well__tag--muted {
  background: rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.5);
  border: 1px solid var(--dt-line);
}

.darktech-well__headline {
  font-family: "Montserrat", sans-serif;
  font-size: clamp(1.35rem, 3.2vw, 2rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  max-width: 36rem;
}

.darktech-well__headline .accent {
  color: var(--dt-gold);
}

.darktech-well__sub {
  margin-top: 0.65rem;
  font-size: 0.95rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.78);
  font-style: italic;
  max-width: 40rem;
}

.darktech-well__diagram-wrap {
  position: relative;
  width: 100%;
  min-height: 420px;
  border-top: 1px solid var(--dt-line);
  border-bottom: 1px solid var(--dt-line);
}

.darktech-well__diagram {
  display: block;
  width: 100%;
  height: auto;
  min-height: 380px;
}

.darktech-well__columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
  padding: 1.5rem 1.25rem;
}

@media (max-width: 900px) {
  .darktech-well__columns {
    grid-template-columns: 1fr;
  }
}

.darktech-well__col h3 {
  font-family: var(--dt-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dt-gold);
  margin: 0 0 0.5rem;
  font-weight: 600;
}

.darktech-well__col p {
  font-size: 0.88rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.78);
}

.darktech-well__bottom {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: end;
  padding: 0 1.25rem 1.5rem;
}

@media (max-width: 720px) {
  .darktech-well__bottom {
    grid-template-columns: 1fr;
  }
}

.darktech-well__callout {
  font-family: var(--dt-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  line-height: 1.5;
  padding: 1rem 1.15rem;
  border: 1px solid var(--dt-gold);
  border-radius: 4px;
  background: rgba(215, 179, 106, 0.08);
  color: #fff;
  max-width: 280px;
}

.darktech-well__callout strong {
  display: block;
  font-size: 0.95rem;
  color: var(--dt-gold);
  margin-bottom: 0.25rem;
}

.darktech-well__legend-block {
  margin: 0;
  padding: 0;
  border: none;
}

.darktech-well__legend-kicker {
  font-family: var(--dt-mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
  display: block;
  margin-bottom: 0.35rem;
}

.darktech-well__legend-note {
  font-size: 0.85rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.65);
}

.darktech-page .use-cases-nav {
  padding: 1rem 0 0;
  margin-bottom: 0.5rem;
}

.darktech-page .use-cases-nav a {
  font-family: var(--dt-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dt-orange);
  margin-right: 1.25rem;
}

.darktech-page .use-cases-hero-copy .hero-subtitle {
  max-width: 40rem;
}

.darktech-page .use-cases-hero-copy .hero-subtitle code {
  font-family: var(--dt-mono);
  font-size: 0.82em;
  background: rgba(255, 255, 255, 0.1);
  padding: 0.12em 0.4em;
  border-radius: 3px;
  letter-spacing: 0.02em;
}

.darktech-module-label {
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 1rem;
}

/* Wellbore mount: keep aspect ratio of the SVG (1600 x 1100) so the React
 * component scales correctly inside our responsive layout. */
.darktech-mount {
  margin: 0;
  border: 1px solid var(--dt-line);
  border-radius: 4px;
  background: #0F1622;
  overflow: hidden;
}

.wellbore-darktech-mount {
  position: relative;
  width: 100%;
  aspect-ratio: 1600 / 1100;
  min-height: 360px;
}

.wellbore-darktech-mount > svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* ——— Module 0: one-pager + side Tweaks panel ——— */
.darktech-onepager {
  margin: 0;
}

.darktech-onepager__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 1.25rem;
  align-items: start;
}

.darktech-onepager__stage {
  border: 1px solid var(--dt-line);
  border-radius: 4px;
  background: #2a2f3a;
  overflow: hidden;
  min-height: 720px;
}

.onepager-frame {
  width: 100%;
  height: 1180px;
  border: 0;
  display: block;
  background: transparent;
}

.darktech-onepager__caption {
  margin: 1rem 0 0;
  font-size: 0.82rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.7);
  max-width: 60rem;
}

/* Tweaks side panel */
.darktech-tweaks {
  position: sticky;
  top: 1.5rem;
  background: #1a1f2e;
  border: 1px solid #2a3349;
  border-radius: 6px;
  padding: 0.95rem 1rem 1rem;
  color: #f1ede3;
  font-size: 0.78rem;
}

.darktech-tweaks__header {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0 0 0.65rem;
}

.darktech-tweaks__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--dt-orange);
  display: inline-block;
}

.darktech-tweaks__title {
  margin: 0;
  font-family: var(--dt-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
}

.darktech-tweaks__label {
  display: block;
  font-family: var(--dt-mono);
  font-size: 0.58rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  margin: 0.7rem 0 0.3rem;
}

.darktech-tweaks__select,
.darktech-tweaks__input {
  width: 100%;
  background: #0b1220;
  color: #faf8f3;
  border: 1px solid #2a3349;
  padding: 0.45rem 0.55rem;
  border-radius: 3px;
  font-family: "Inter", system-ui, sans-serif;
  font-size: 0.78rem;
  box-sizing: border-box;
}

.darktech-tweaks__select:focus,
.darktech-tweaks__input:focus {
  outline: none;
  border-color: var(--dt-orange);
}

.darktech-tweaks__buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem;
  margin-top: 0.25rem;
}

.darktech-tweaks__btn {
  background: #0b1220;
  color: #faf8f3;
  border: 1px solid #2a3349;
  padding: 0.45rem 0.5rem;
  border-radius: 3px;
  font-family: "Inter", system-ui, sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.darktech-tweaks__btn:hover:not(:disabled) {
  border-color: var(--dt-orange);
  color: var(--dt-orange);
}

.darktech-tweaks__btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.darktech-tweaks__btn-icon {
  font-family: var(--dt-mono);
}

.darktech-tweaks__hint {
  margin: 0.85rem 0 0;
  font-size: 0.7rem;
  line-height: 1.45;
  color: rgba(255, 255, 255, 0.45);
}

@media (max-width: 960px) {
  .darktech-onepager__layout {
    grid-template-columns: 1fr;
  }
  .darktech-tweaks {
    position: static;
  }
  .onepager-frame {
    height: 980px;
  }
}

@media print {
  .darktech-tweaks { display: none !important; }
}