.legal-grid,
.support-guidance-grid {
  display: grid;
  grid-template-columns: minmax(15rem, 0.34fr) minmax(0, 0.66fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}

.legal-aside {
  position: sticky;
  top: 7rem;
  display: grid;
  gap: 1rem;
  border: 1px solid color-mix(in srgb, var(--color-secondary) 48%, transparent);
  background: color-mix(in srgb, var(--color-primary) 92%, var(--color-secondary));
  color: #f8f2e8;
  padding: clamp(1.25rem, 3vw, 2rem);
}

.legal-aside strong {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2vw, 2rem);
  line-height: 1.22;
}

.legal-aside .text-link {
  color: var(--color-secondary);
  text-decoration-color: currentColor;
}

.legal-article {
  display: grid;
  gap: 1rem;
}

.legal-article h2 {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid color-mix(in srgb, var(--color-secondary) 36%, transparent);
}

.legal-article h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.legal-article ul,
.legal-article ol {
  display: grid;
  gap: 0.7rem;
}

.construction-card {
  border-color: var(--color-secondary);
}

.construction-card > span {
  color: var(--color-secondary);
}

.app-catalog-section {
  background: color-mix(in srgb, var(--color-primary) 96%, var(--color-secondary));
  color: #f8f2e8;
}

.support-app-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 2rem;
  padding: 1px;
  list-style: none;
  background: color-mix(in srgb, var(--color-secondary) 35%, transparent);
}

.support-app-list li {
  display: grid;
  grid-template-columns: 5rem minmax(0, 1fr);
  gap: 1rem;
  align-items: center;
  min-height: 4.25rem;
  padding: 0.9rem 1.1rem;
  background: #0b0b0a;
}

.support-app-list span {
  color: var(--color-secondary);
  font: 700 0.75rem/1.2 ui-monospace, monospace;
  letter-spacing: 0.08em;
}

@media (max-width: 48rem) {
  .legal-grid,
  .support-guidance-grid,
  .support-app-list {
    grid-template-columns: 1fr;
  }

  .legal-aside {
    position: static;
  }
}

/* Final production polish: gold-city art, honest working tools, and strong focus states. */
:where(a, button, input, select, textarea, summary):focus-visible {
  outline: 0.2rem solid #f2c96f;
  outline-offset: 0.22rem;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.welcome-hero::after {
  display: none;
}

.welcome-hero .v2-hero__photo img {
  object-position: center;
  filter: saturate(1.04) contrast(1.08) brightness(0.82);
  transform: scale(1.01);
}

.welcome-hero .v2-hero__veil {
  background:
    linear-gradient(90deg, #070706 0%, rgb(7 7 6 / 0.98) 35%, rgb(7 7 6 / 0.78) 51%, rgb(7 7 6 / 0.16) 78%),
    linear-gradient(0deg, rgb(5 5 4 / 0.84), transparent 48%);
}

.welcome-hero .v2-hero__copy {
  position: relative;
  max-width: 47rem;
  padding: clamp(1.25rem, 3vw, 2.25rem) clamp(1.25rem, 3vw, 2.5rem) clamp(1.25rem, 3vw, 2.25rem) 0;
}

.welcome-hero .v2-hero__copy::before {
  content: '';
  position: absolute;
  z-index: -1;
  inset: -2.5rem -4rem -2.5rem -8rem;
  background: radial-gradient(ellipse at center, rgb(0 0 0 / 0.76), transparent 72%);
}

.welcome-hero h1 {
  max-width: 10ch;
  text-shadow: 0 0.12rem 1.4rem rgb(0 0 0 / 0.72);
}

.welcome-hero .lead {
  color: #f5ecdd;
  text-shadow: 0 0.1rem 0.9rem rgb(0 0 0 / 0.9);
}

.welcome-hero .action--glass {
  border-color: rgb(242 201 111 / 0.82);
  background: rgb(7 7 6 / 0.7);
  backdrop-filter: blur(0.75rem);
}

.capability-lab {
  background:
    radial-gradient(circle at 82% 8%, rgb(212 175 99 / 0.16), transparent 30rem),
    #0a0a09;
  color: #f7f0e4;
}

.capability-lab .section-heading-row h2,
.capability-lab .section-heading-row .lead,
.capability-lab .lab-controls,
.capability-lab .lab-controls strong,
.capability-lab .lab-controls legend,
.capability-lab .lab-controls label,
.capability-lab .lab-journey strong,
.capability-lab .lab-journey p,
.capability-lab .lab-preview-column__heading,
.capability-lab > .container > .field__hint {
  color: #f7f0e4;
}

.capability-lab .eyebrow,
.capability-lab .lab-journey li > span,
.capability-lab .lab-preview-column__heading span {
  color: #f2c96f;
}

.capability-lab .demo-badge,
.capability-lab .lab-journey,
.capability-lab .lab-journey li,
.capability-lab .lab-controls,
.capability-lab .lab-controls select,
.capability-lab .segmented,
.capability-lab .option {
  border-color: rgb(212 175 99 / 0.35);
}

.capability-lab .demo-badge {
  background: rgb(212 175 99 / 0.1);
  color: #f2c96f;
}

.capability-lab .lab-controls select {
  padding: 0.85rem 2.4rem 0.85rem 0;
  color: #fff8ea;
  color-scheme: dark;
}

.capability-lab .lab-controls select option {
  background: #11110f;
  color: #fff8ea;
}

.capability-lab .lab-controls__intro span {
  color: #f2c96f;
}

.capability-lab .lab-controls__intro strong {
  display: block;
  margin-top: 0.35rem;
  color: #fff8ea;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2vw, 2rem);
  line-height: 1.05;
}

.capability-lab .segmented {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.capability-lab .segmented label,
.capability-lab .segmented label:has(input:checked) {
  justify-content: center;
  padding: 0.75rem 0.35rem;
  text-align: center;
}

.capability-lab .segmented label:has(input:checked) {
  border-color: #f2c96f;
  color: #f2c96f;
}

.capability-lab .device-stage {
  overflow: hidden;
  border: 0.35rem solid #d4af63;
  border-radius: 1rem;
  background: #090908;
  box-shadow: 1.5rem 1.5rem 0 rgb(212 175 99 / 0.1), 0 2.5rem 6rem rgb(0 0 0 / 0.55);
}

.capability-lab .device-chrome {
  padding: 0.65rem 1rem;
  background: #090908;
}

.device-stage .lab-preview {
  background: var(--concept-paper, #f8f2e8);
  color: var(--concept-ink, #172a3a);
}

.concept-site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1rem, 3vw, 2rem);
  border-bottom: 1px solid color-mix(in srgb, var(--concept-ink) 28%, transparent);
}

.concept-site-header > strong {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.6vw, 2rem);
  letter-spacing: -0.03em;
}

.concept-site-header nav {
  display: flex;
  gap: clamp(0.7rem, 2vw, 1.6rem);
  font-size: 0.72rem;
  font-weight: 800;
}

.concept-site-header button,
.concept-actions button,
.lab-preview .lab-module-grid button {
  border-color: var(--concept-ink);
  background: var(--concept-accent);
  color: var(--concept-ink);
}

.lab-preview .lab-hero {
  grid-template-columns: minmax(0, 1.15fr) minmax(13rem, 0.85fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: center;
  min-height: 29rem;
  background: linear-gradient(140deg, transparent 52%, color-mix(in srgb, var(--concept-accent) 34%, transparent));
}

.lab-preview .lab-hero h3 {
  max-width: 12ch;
  color: var(--concept-ink);
  font-size: clamp(2.35rem, 5vw, 5rem);
  overflow-wrap: anywhere;
}

.lab-preview .lab-hero p {
  max-width: 42rem;
}

.concept-actions,
.concept-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.concept-actions button:last-child {
  background: transparent;
}

.concept-visual {
  position: relative;
  display: grid;
  align-content: end;
  min-height: 18rem;
  padding: 1.5rem;
  overflow: hidden;
  border: 1px solid var(--concept-ink);
  background: var(--concept-ink);
  color: var(--concept-paper);
}

.concept-visual::before,
.concept-visual::after,
.concept-visual i {
  content: '';
  position: absolute;
  border: 1px solid var(--concept-accent);
  border-radius: 50%;
}

.concept-visual::before {
  width: 13rem;
  height: 13rem;
  top: -4rem;
  right: -3rem;
}

.concept-visual::after {
  width: 8rem;
  height: 8rem;
  top: 2rem;
  right: 3rem;
}

.concept-visual i {
  width: 4rem;
  height: 4rem;
  top: 6rem;
  right: 7rem;
  background: var(--concept-accent);
}

.concept-visual span,
.concept-visual strong {
  position: relative;
  z-index: 1;
}

.concept-visual span {
  color: var(--concept-accent);
  font-size: 0.65rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.concept-proof-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-block: 1px solid var(--concept-ink);
}

.concept-proof-row span {
  padding: 1rem;
  border-right: 1px solid var(--concept-ink);
  font-size: 0.72rem;
  font-weight: 850;
  text-align: center;
}

.concept-proof-row span:last-child {
  border-right: 0;
}

.concept-services {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr;
  gap: 1px;
  padding: clamp(2rem, 5vw, 4rem);
  background: color-mix(in srgb, var(--concept-ink) 25%, transparent);
}

.concept-services > * {
  padding: clamp(1rem, 3vw, 2rem);
  background: var(--concept-paper);
}

.concept-services h4 {
  margin: 0.4rem 0 0;
  color: var(--concept-ink);
  font-size: clamp(1.8rem, 4vw, 3.6rem);
}

.concept-services span,
.concept-services article span {
  color: color-mix(in srgb, var(--concept-ink) 72%, transparent);
  font-size: 0.65rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.capability-lab .lab-module-grid {
  margin: 0;
  border-color: var(--concept-ink);
}

.capability-lab .lab-module-grid article,
.capability-lab .lab-module-grid article:nth-child(3n + 1) {
  min-height: 14rem;
  border-color: color-mix(in srgb, var(--concept-ink) 35%, transparent);
}

.concept-empty {
  padding: 2rem;
}

.lab-action-detail {
  margin: 1.5rem;
  border-color: var(--concept-ink);
  background: color-mix(in srgb, var(--concept-accent) 22%, transparent);
}

.concept-tools {
  margin: 0;
  padding: 0 1.5rem 1.5rem;
}

.concept-tools .action--secondary {
  border-color: var(--concept-ink);
  background: transparent;
  color: var(--concept-ink);
}

.device-stage[data-device='tablet'] {
  max-width: 48rem;
  margin-inline: auto;
}

.device-stage[data-device='mobile'] {
  max-width: 25rem;
  margin-inline: auto;
}

.device-stage[data-device='mobile'] .concept-site-header nav,
.device-stage[data-device='mobile'] .concept-site-header > button,
.device-stage[data-device='mobile'] .concept-visual {
  display: none;
}

.device-stage[data-device='mobile'] .lab-hero,
.device-stage[data-device='mobile'] .concept-services,
.device-stage[data-device='mobile'] .concept-proof-row,
.device-stage[data-device='mobile'] .lab-module-grid {
  grid-template-columns: 1fr;
}

.device-stage[data-device='mobile'] .concept-proof-row span {
  border-right: 0;
  border-bottom: 1px solid var(--concept-ink);
}

.start-hero {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgb(7 7 6 / 0.98), rgb(7 7 6 / 0.88) 57%, rgb(7 7 6 / 0.48)),
    url('/assets/bps-binary-metropolis-1672.webp') center / cover;
}

.start-hero__aside {
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid rgb(242 201 111 / 0.7);
  background: rgb(7 7 6 / 0.74);
  backdrop-filter: blur(0.8rem);
}

.start-hero__aside > span,
.start-assurance span {
  color: #f2c96f;
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.start-hero__aside h2 {
  color: #fff8ea;
  font-size: clamp(1.7rem, 3vw, 2.8rem);
}

.start-hero__aside p {
  color: #ddd1bf;
}

.start-assurance {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.25rem;
  margin-top: 1.75rem;
  padding-top: 1rem;
  border-top: 1px solid rgb(242 201 111 / 0.36);
}

.start-builder {
  background: #f6f1e7;
}

.start-form {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
  padding: clamp(1.25rem, 4vw, 3rem);
  border-color: rgb(118 85 17 / 0.35);
  box-shadow: 0 2rem 5rem rgb(39 30 13 / 0.12);
}

.start-form fieldset {
  display: grid;
  gap: 1rem;
  min-width: 0;
  margin: 0;
  padding: clamp(1rem, 3vw, 1.75rem);
  border: 1px solid rgb(118 85 17 / 0.3);
}

.start-form legend {
  padding-inline: 0.4rem;
  color: #765511;
  font-weight: 900;
}

.start-form input,
.start-form select,
.start-form textarea {
  padding: 0.75rem;
  border: 1px solid #716657;
  border-radius: 0;
  background: #fffdf7;
  color: #15130f;
}

.start-form input:focus,
.start-form select:focus,
.start-form textarea:focus {
  border-color: #765511;
  box-shadow: 0 0 0 0.2rem rgb(212 175 99 / 0.22);
}

.start-form__brief,
.start-form__actions,
.start-form > .field__hint {
  grid-column: 1 / -1;
}

.start-form__brief small {
  color: #675f54;
  font-weight: 500;
}

.start-form__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.start-result {
  background: #e9e0d0;
}

.start-result__heading,
.start-review-gate,
.start-result__grid article,
.generated-brief {
  border-color: rgb(118 85 17 / 0.35);
  background: #fffaf0;
}

.start-result__heading > strong {
  background: #d4af63;
  color: #0b0b0a;
}

.generated-brief {
  margin-block: 1rem;
  border: 1px solid rgb(118 85 17 / 0.35);
}

.generated-brief summary {
  padding: 1rem 1.25rem;
  color: #765511;
  font-weight: 900;
}

.generated-brief pre {
  max-height: 32rem;
  margin: 0;
  padding: 1.25rem;
  overflow: auto;
  border-top: 1px solid rgb(118 85 17 / 0.25);
  background: #0d0d0c;
  color: #f5ead7;
  font: 500 0.82rem/1.65 ui-monospace, SFMono-Regular, Consolas, monospace;
  white-space: pre-wrap;
}

.start-result__actions {
  margin-top: 1rem;
}

.companion-mode-note {
  padding-top: 0.8rem;
  border-top: 1px solid currentColor;
  font-size: 0.86rem;
  opacity: 0.78;
}

.phone-frame {
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.phone-frame[data-mode='installable'] {
  box-shadow: 0 2rem 5rem rgb(212 175 99 / 0.25);
}

.phone-frame[data-mode='native'] {
  transform: translateY(-0.35rem);
}

.phone-screen {
  transition: background-color 180ms ease, color 180ms ease;
}

.phone-frame[data-mode='installable'] .phone-screen {
  background: #efe4c8;
  color: #1c251d;
}

.phone-frame[data-mode='native'] .phone-screen {
  background: #11100f;
  color: #fff4df;
}

.phone-frame[data-mode='native'] .phone-screen h3,
.phone-frame[data-mode='native'] .phone-screen p,
.phone-frame[data-mode='native'] .phone-screen strong {
  color: #fff4df;
}

.assistant-panel {
  border-color: rgb(212 175 99 / 0.42);
  background: #11110f;
  box-shadow: 1rem 1rem 0 rgb(212 175 99 / 0.12);
}

.assistant-entry input {
  border-color: rgb(242 201 111 / 0.55);
  background: #080807;
  color: #fff8ea;
}

.assistant-answer {
  min-height: 12rem;
  border-color: rgb(242 201 111 / 0.35);
  background: rgb(212 175 99 / 0.08);
}

.assistant-answer a {
  color: #f2c96f;
}

@media (max-width: 64rem) {
  .lab-preview .lab-hero {
    grid-template-columns: 1fr;
  }

  .concept-visual {
    min-height: 12rem;
  }
}

@media (max-width: 48rem) {
  .welcome-hero .v2-hero__photo {
    width: 100%;
    opacity: 0.78;
  }

  .welcome-hero .v2-hero__photo img {
    object-position: 64% center;
  }

  .welcome-hero .v2-hero__veil {
    background: linear-gradient(180deg, rgb(5 5 4 / 0.82), rgb(5 5 4 / 0.97) 78%);
  }

  .capability-lab .lab-controls {
    position: static;
    padding: 0 0 2rem;
    border-right: 0;
    border-bottom: 1px solid rgb(212 175 99 / 0.35);
  }

  .concept-site-header nav,
  .concept-site-header > button,
  .concept-visual {
    display: none;
  }

  .lab-preview .lab-hero,
  .concept-services,
  .concept-proof-row,
  .capability-lab .lab-module-grid,
  .start-form,
  .start-result__grid,
  .start-result__heading,
  .start-review-gate {
    grid-template-columns: 1fr;
  }

  .concept-proof-row span {
    border-right: 0;
    border-bottom: 1px solid var(--concept-ink);
  }

  .start-form__brief,
  .start-form__actions,
  .start-form > .field__hint {
    grid-column: auto;
  }

  .start-result__heading > strong {
    width: fit-content;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

/*
 * Cinematic industrial system — owner-review candidate.
 * This final layer deliberately controls the public experience while preserving
 * the tested estimator, concept lab, brief builder, privacy, and support logic.
 */
:root {
  --cinema-black: #050505;
  --canvas-black: #080908;
  --graphite: #0e100f;
  --raised-charcoal: #151715;
  --steel: #22251f;
  --warm-line: rgb(211 171 88 / 0.24);
  --warm-line-strong: rgb(238 197 104 / 0.56);
  --gold-deep: #9d742d;
  --gold: #d3ab58;
  --gold-bright: #f0cb74;
  --gold-pale: #f8dda0;
  --ivory: #f5f0e6;
  --ivory-muted: #b9b5ab;
  --ink: #11120f;
  --display: Georgia, 'Times New Roman', serif;
  --sans: 'Avenir Next', Avenir, 'Segoe UI Variable', 'Segoe UI', Arial, sans-serif;
  --mono: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
  --cinematic-shadow: 0 2rem 7rem rgb(0 0 0 / 0.55);
  --section-space: clamp(5.5rem, 9vw, 9rem);
}

html {
  background: var(--cinema-black);
  color-scheme: dark;
}

body {
  background: var(--canvas-black) !important;
  color: var(--ivory) !important;
  font-family: var(--sans) !important;
  font-size: 1rem;
  line-height: 1.65;
}

body::before {
  content: '';
  position: fixed;
  z-index: -1;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 80% 10%, rgb(211 171 88 / 0.055), transparent 26rem),
    linear-gradient(rgb(211 171 88 / 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgb(211 171 88 / 0.025) 1px, transparent 1px);
  background-size: auto, 4rem 4rem, 4rem 4rem;
}

h1,
h2,
h3,
h4 {
  color: var(--ivory);
  font-family: var(--display);
  font-weight: 500;
  letter-spacing: -0.046em;
}

p,
li,
dd {
  color: var(--ivory-muted);
}

.container {
  width: min(100% - clamp(2rem, 5vw, 6rem), 88rem);
}

.section {
  position: relative;
  background: transparent;
}

.section[data-tone='muted'] {
  background: var(--graphite) !important;
}

.section[data-tone='dark'] {
  background: var(--cinema-black) !important;
}

.section[data-tone='accent'],
.closing-cta {
  background: var(--gold) !important;
  color: var(--ink) !important;
}

.section[data-tone='accent'] :where(h2, h3, p, li, a),
.closing-cta :where(h2, h3, p, li, a) {
  color: var(--ink) !important;
}

.eyebrow,
.section-index,
.work-status,
.result-kicker,
.demo-badge {
  color: var(--gold-bright) !important;
  font-family: var(--mono) !important;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.eyebrow {
  text-transform: uppercase;
}

.lead {
  color: #d7d1c7;
}

a {
  text-decoration-color: rgb(240 203 116 / 0.45);
}

.text-link {
  color: var(--gold-bright) !important;
  font-family: var(--sans);
  font-weight: 700;
}

:where(a, button, input, select, textarea, summary):focus-visible,
.segmented label:focus-within,
.option:focus-within {
  outline: 0.14rem solid var(--canvas-black) !important;
  outline-offset: 0.12rem;
  box-shadow: 0 0 0 0.32rem var(--gold-bright) !important;
}

.action {
  position: relative;
  min-height: 3.45rem;
  justify-content: center;
  border: 1px solid var(--warm-line-strong);
  border-radius: 0;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.035em;
  text-decoration: none;
  transition: color 180ms ease, background-color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.action--primary,
.site-footer .action--primary {
  border-color: var(--gold-bright);
  background: var(--gold-bright);
  color: var(--ink);
}

.action--primary:hover {
  border-color: var(--ivory);
  background: var(--ivory);
  color: var(--ink);
  transform: translateY(-0.14rem);
}

.action--secondary,
.action--glass {
  border-color: rgb(245 240 230 / 0.38);
  background: rgb(8 9 8 / 0.52);
  color: var(--ivory);
}

.action--secondary:hover,
.action--glass:hover {
  border-color: var(--gold-bright);
  background: rgb(211 171 88 / 0.1);
  color: var(--gold-pale);
}

/* Premium docked navigation with a stable block-size to avoid layout shift. */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  min-height: 5.25rem;
  border-bottom: 1px solid var(--warm-line);
  background: rgb(5 5 5 / 0.88) !important;
  color: var(--ivory);
  backdrop-filter: blur(1rem) saturate(1.1);
}

.header-inner {
  min-height: 5.25rem;
  gap: 1rem;
}

.bps-brand,
.brand-name,
.primary-nav a,
.portal-utility,
.portal-utility strong {
  color: var(--ivory) !important;
}

.brand-mark,
.site-header .brand-mark {
  width: 3rem;
  height: 3rem;
  overflow: hidden;
  border: 0;
  background: url('/assets/bps-logo-monogram.webp') center / contain no-repeat;
  color: transparent !important;
  font-size: 0 !important;
  white-space: nowrap;
  box-shadow: none;
  filter: drop-shadow(0 0 0.7rem rgb(226 190 110 / 0.12));
}

.brand-name {
  font: 600 0.91rem/1.1 var(--sans) !important;
  letter-spacing: -0.015em;
}

.primary-nav > ul {
  gap: clamp(0.8rem, 1.45vw, 1.35rem);
}

.primary-nav a {
  position: relative;
  font-size: 0.76rem;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.primary-nav > ul > li > a:not(.header-cta)::after {
  content: '';
  position: absolute;
  right: 0;
  bottom: 0.72rem;
  left: 0;
  height: 1px;
  background: var(--gold-bright);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.primary-nav > ul > li > a:hover::after,
.primary-nav > ul > li > a[aria-current='page']::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-cta {
  min-height: 2.7rem;
  display: inline-flex;
  align-items: center;
  padding-inline: 1rem;
  border: 1px solid var(--gold);
  background: var(--gold);
  color: var(--ink) !important;
}

.portal-utility {
  min-height: 2.8rem;
  padding: 0.35rem 0.8rem;
  border: 1px solid rgb(245 240 230 / 0.22);
  background: rgb(255 255 255 / 0.025);
  text-decoration: none;
}

.portal-utility span {
  color: #8f8c84;
  font: 600 0.56rem/1 var(--mono);
}

.portal-utility strong {
  font-size: 0.7rem;
}

.mobile-nav summary {
  min-width: 3rem;
  min-height: 3rem;
  border: 1px solid var(--warm-line-strong);
  background: transparent;
  color: var(--ivory);
}

.mobile-nav nav {
  border: 1px solid var(--warm-line);
  background: #0b0c0b;
  box-shadow: var(--cinematic-shadow);
}

.mobile-nav a {
  min-height: 3rem;
  display: flex;
  align-items: center;
  color: var(--ivory);
}

/* Signature homepage hero. */
.bps-hero {
  position: relative;
  min-height: min(60rem, calc(100svh - 1rem));
  overflow: hidden;
  border-bottom: 1px solid var(--warm-line);
  background: var(--cinema-black);
  isolation: isolate;
}

.bps-hero__media,
.bps-hero__atmosphere {
  position: absolute;
  inset: 0;
}

.bps-hero__media {
  z-index: -3;
  left: 27%;
}

.bps-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 58% center;
  filter: saturate(0.9) contrast(1.12) brightness(0.76);
  transform: scale(1.025);
  animation: hero-breathe 14s ease-in-out infinite alternate;
}

.bps-hero__atmosphere {
  z-index: -2;
  background:
    linear-gradient(90deg, #050505 0%, rgb(5 5 5 / 0.99) 25%, rgb(5 5 5 / 0.78) 50%, rgb(5 5 5 / 0.2) 78%),
    linear-gradient(0deg, #050505 0%, transparent 35%, rgb(5 5 5 / 0.2) 100%),
    radial-gradient(circle at 77% 44%, transparent 0 12rem, rgb(5 5 5 / 0.18) 30rem);
}

.bps-hero__atmosphere::after {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.34;
  background:
    linear-gradient(rgb(240 203 116 / 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgb(240 203 116 / 0.09) 1px, transparent 1px);
  background-size: clamp(3rem, 5vw, 5.5rem) clamp(3rem, 5vw, 5.5rem);
  mask-image: linear-gradient(90deg, transparent 12%, black 56%, transparent 96%);
}

.bps-hero__layout {
  min-height: clamp(45rem, 82svh, 56rem);
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(25rem, 0.72fr);
  gap: clamp(3rem, 8vw, 9rem);
  align-items: center;
  padding-block: clamp(6rem, 10vw, 9rem) 4rem;
}

.bps-hero__copy {
  max-width: 48rem;
}

.bps-kicker {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  max-width: 43rem;
  margin-bottom: clamp(3rem, 7vw, 6rem);
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--warm-line);
  color: #8c8982;
  font: 600 0.6rem/1.2 var(--mono);
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.bps-hero h1 {
  max-width: 10ch;
  margin: 0.55rem 0 1.8rem;
  color: var(--ivory);
  font-size: clamp(4.1rem, 7.4vw, 7.4rem);
  line-height: 0.88;
  letter-spacing: -0.064em;
}

.bps-hero h1 em {
  display: inline-block;
  color: var(--gold-pale);
  font-weight: 400;
}

.bps-hero .lead {
  max-width: 39rem;
  color: #d7d2c9;
  font-size: clamp(1.05rem, 1.35vw, 1.28rem);
  line-height: 1.55;
}

.bps-hero__actions {
  margin-top: 2rem;
}

.system-assembly {
  align-self: end;
  margin-bottom: 2rem;
  border: 1px solid var(--warm-line-strong);
  background: rgb(7 8 7 / 0.78);
  box-shadow: var(--cinematic-shadow);
  backdrop-filter: blur(0.75rem);
}

.system-assembly__top,
.system-assembly__footer {
  min-height: 3.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--warm-line);
  color: #9e9b93;
  font: 600 0.58rem/1.2 var(--mono);
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.system-assembly__state {
  color: var(--gold-bright);
}

.system-assembly__diagram {
  position: relative;
  min-height: 24rem;
  overflow: hidden;
  background:
    linear-gradient(rgb(211 171 88 / 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgb(211 171 88 / 0.08) 1px, transparent 1px),
    radial-gradient(circle at center, rgb(211 171 88 / 0.1), transparent 60%);
  background-size: 2.6rem 2.6rem, 2.6rem 2.6rem, auto;
}

.system-node {
  position: absolute;
  width: 8.7rem;
  min-height: 5.6rem;
  display: grid;
  align-content: center;
  padding: 0.85rem;
  border: 1px solid rgb(245 240 230 / 0.2);
  background: #0d0f0d;
  box-shadow: 0 0 0 0.35rem rgb(5 5 5 / 0.72);
}

.system-node i {
  position: absolute;
  top: 0.42rem;
  right: 0.52rem;
  color: #706f69;
  font: 500 0.52rem/1 var(--mono);
}

.system-node strong {
  color: var(--ivory);
  font-size: 0.78rem;
}

.system-node span {
  color: #8f8d86;
  font: 500 0.58rem/1.35 var(--mono);
}

.system-node--input { top: 2rem; left: 1.3rem; }
.system-node--core {
  top: 9.3rem;
  left: 50%;
  border-color: var(--gold-bright);
  background: #17150f;
  transform: translateX(-50%);
}
.system-node--web { top: 2.2rem; right: 1.25rem; }
.system-node--tools { right: 1.25rem; bottom: 1.65rem; }

.system-line {
  position: absolute;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-bright), transparent);
  transform-origin: left;
  animation: system-pulse 3.6s ease-in-out infinite;
}

.system-line--a { top: 8.4rem; left: 7rem; width: 48%; transform: rotate(22deg); }
.system-line--b { top: 8.4rem; left: 52%; width: 34%; transform: rotate(-22deg); animation-delay: 0.7s; }
.system-line--c { top: 14.7rem; left: 54%; width: 33%; transform: rotate(25deg); animation-delay: 1.3s; }

.system-assembly__footer {
  border-top: 1px solid var(--warm-line);
  border-bottom: 0;
}

.system-assembly__footer i {
  width: 0.5rem;
  height: 0.5rem;
  display: inline-block;
  margin-right: 0.4rem;
  border-radius: 50%;
  background: var(--gold-bright);
  box-shadow: 0 0 0.7rem var(--gold);
}

.bps-hero__rail {
  min-height: 4.2rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-items: center;
  border-top: 1px solid var(--warm-line);
  color: #9b9891;
  font: 600 0.6rem/1.2 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.bps-hero__rail span:nth-child(2) { text-align: center; }
.bps-hero__rail span:last-child { text-align: right; }

/* Proof presented as an editorial ledger rather than a card grid. */
.proof-rail {
  border-bottom: 1px solid var(--warm-line);
  background: #090a09;
}

.proof-rail__layout {
  min-height: 26rem;
  display: grid;
  grid-template-columns: 1.2fr 1.3fr 0.85fr 0.85fr;
}

.proof-rail__layout > * {
  min-width: 0;
  padding: clamp(2rem, 4vw, 4rem) clamp(1.35rem, 3vw, 3rem);
  border-right: 1px solid var(--warm-line);
}

.proof-rail__layout > :first-child { padding-left: 0; }
.proof-rail__layout > :last-child { border-right: 0; padding-right: 0; }
.proof-rail__heading { align-self: end; }
.proof-rail__heading h2 { margin: 0; font-size: clamp(2.5rem, 4.5vw, 4.7rem); line-height: 0.96; }

.proof-record {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 2rem;
  color: var(--ivory);
  text-decoration: none;
  transition: background-color 180ms ease, color 180ms ease;
}

.proof-record::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 1px;
  background: var(--gold-bright);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 240ms ease;
}

.proof-record:hover::before { transform: scaleX(1); transform-origin: left; }
.proof-record:hover { background: rgb(211 171 88 / 0.045); }
.proof-record > span { color: var(--gold-bright); font: 600 0.62rem/1.3 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; }
.proof-record strong { max-width: 13ch; color: var(--ivory); font: 500 clamp(1.55rem, 2.4vw, 2.7rem)/1.03 var(--display); letter-spacing: -0.04em; }
.proof-record small { color: #a9a69f; font-weight: 700; }
.proof-record--lead { background: linear-gradient(160deg, rgb(211 171 88 / 0.12), transparent 60%); }

/* Capability chapters: one connected system, three different disciplines. */
.systems-section {
  overflow: clip;
  background: #0d0f0e;
}

.systems-section::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: calc(50% - 0.5px);
  width: 1px;
  background: linear-gradient(transparent, var(--warm-line-strong), transparent);
}

.systems-section__layout {
  display: grid;
  grid-template-columns: minmax(18rem, 0.75fr) minmax(0, 1.5fr);
  gap: clamp(3rem, 8vw, 9rem);
  align-items: start;
}

.systems-section__intro {
  position: sticky;
  top: 8rem;
}

.systems-section__intro h2 {
  font-size: clamp(3rem, 5vw, 5.4rem);
  line-height: 0.95;
}

.systems-section__intro > p:not(.eyebrow) {
  max-width: 37rem;
}

.system-chapters {
  display: grid;
}

.system-chapter {
  min-height: 35rem;
  display: grid;
  grid-template-columns: 3.2rem minmax(0, 1fr) minmax(12rem, 0.7fr);
  gap: clamp(1.2rem, 3vw, 2.5rem);
  align-items: center;
  padding-block: clamp(4rem, 8vw, 7rem);
  border-top: 1px solid var(--warm-line);
}

.system-chapter:first-child { border-top: 0; padding-top: 0; }
.system-chapter__index { align-self: start; color: #74726c; font: 600 0.64rem/1 var(--mono); }
.system-chapter h3 { max-width: 15ch; font-size: clamp(2.45rem, 4vw, 4.35rem); line-height: 0.96; }
.system-chapter > div:nth-child(2) > p:not(.eyebrow) { max-width: 42rem; }
.system-chapter ul { display: flex; flex-wrap: wrap; gap: 0.55rem 1.25rem; margin: 1.4rem 0; padding: 0; list-style: none; }
.system-chapter li { position: relative; padding-left: 0.9rem; color: #c8c3b9; font-size: 0.78rem; font-weight: 600; }
.system-chapter li::before { content: ''; position: absolute; top: 0.72em; left: 0; width: 0.34rem; height: 1px; background: var(--gold); }
.system-chapter a { color: var(--gold-bright); font-size: 0.8rem; font-weight: 800; }

.system-chapter__visual {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  max-width: 18rem;
  justify-self: end;
  border: 1px solid var(--warm-line);
  background:
    linear-gradient(rgb(211 171 88 / 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgb(211 171 88 / 0.08) 1px, transparent 1px),
    radial-gradient(circle at center, rgb(211 171 88 / 0.17), transparent 55%);
  background-size: 2.3rem 2.3rem, 2.3rem 2.3rem, auto;
  transform: rotate(-3deg);
}

.system-chapter__visual span { position: absolute; border: 1px solid var(--gold); background: rgb(5 5 5 / 0.78); }
.system-chapter__visual span:nth-child(1) { inset: 16% 45% 55% 13%; }
.system-chapter__visual span:nth-child(2) { inset: 34% 13% 29% 34%; }
.system-chapter__visual span:nth-child(3) { inset: 68% 55% 10% 18%; }
.system-chapter__visual i { position: absolute; right: 0.7rem; bottom: 0.55rem; color: var(--gold-bright); font: 600 0.56rem/1 var(--mono); letter-spacing: 0.08em; }
.system-chapter__visual--device { border-radius: 2.2rem; transform: rotate(3deg); }
.system-chapter__visual--device::before { content: ''; position: absolute; top: 0.65rem; left: 50%; width: 3rem; height: 0.22rem; border-radius: 2rem; background: var(--gold); transform: translateX(-50%); }
.system-chapter__visual--flow span { width: 3.8rem; height: 3.8rem; border-radius: 50%; }
.system-chapter__visual--flow span:nth-child(1) { top: 15%; left: 14%; }
.system-chapter__visual--flow span:nth-child(2) { top: 38%; left: 57%; }
.system-chapter__visual--flow span:nth-child(3) { top: 68%; left: 24%; }

/* Process, tools, ownership, and final conversion. */
.build-sequence {
  border-block: 1px solid var(--warm-line);
  background:
    radial-gradient(circle at 80% 20%, rgb(211 171 88 / 0.09), transparent 30rem),
    #070807;
}

.build-sequence__heading {
  display: grid;
  grid-template-columns: 0.5fr 1.5fr;
  gap: clamp(2rem, 6vw, 7rem);
  align-items: start;
  margin-bottom: clamp(3rem, 6vw, 6rem);
}

.build-sequence__heading h2 { max-width: 18ch; font-size: clamp(3rem, 5.8vw, 6rem); line-height: 0.94; }
.build-sequence__track { display: grid; grid-template-columns: repeat(5, 1fr); margin: 0; padding: 0; border-top: 1px solid var(--warm-line-strong); list-style: none; counter-reset: system-step; }
.build-sequence__track li { position: relative; min-height: 15rem; padding: 2.25rem clamp(1rem, 2vw, 1.7rem) 1.25rem; border-right: 1px solid var(--warm-line); }
.build-sequence__track li:last-child { border-right: 0; }
.build-sequence__track li::before { content: ''; position: absolute; top: -0.34rem; left: 1.3rem; width: 0.65rem; height: 0.65rem; border-radius: 50%; background: var(--gold-bright); box-shadow: 0 0 1rem rgb(211 171 88 / 0.75); }
.build-sequence__track span { color: #77746e; font: 600 0.62rem/1 var(--mono); }
.build-sequence__track strong { display: block; margin: 2rem 0 0.65rem; color: var(--ivory); font-family: var(--sans); font-size: 1rem; }
.build-sequence__track p { font-size: 0.8rem; }

.working-tools { background: #101210; }
.working-tools__heading { display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 3rem; align-items: end; margin-bottom: 4rem; }
.working-tools__heading h2 { max-width: 14ch; font-size: clamp(3rem, 6vw, 6rem); line-height: 0.94; }
.working-tools__heading > p { max-width: 35rem; }
.working-tools__list { border-top: 1px solid var(--warm-line-strong); }
.working-tools__list > a { min-height: 10.5rem; display: grid; grid-template-columns: 4rem 1fr 4rem; gap: 1rem; align-items: center; padding: 1.5rem 1rem; border-bottom: 1px solid var(--warm-line); color: var(--ivory); text-decoration: none; transition: background-color 180ms ease; }
.working-tools__list > a:hover { background: linear-gradient(90deg, rgb(211 171 88 / 0.1), transparent); }
.working-tools__list > a > span { color: var(--gold-bright); font: 600 0.65rem/1 var(--mono); }
.working-tools__list small { color: #85827c; font: 600 0.62rem/1 var(--mono); letter-spacing: 0.09em; text-transform: uppercase; }
.working-tools__list h3 { margin: 0.45rem 0; font-size: clamp(2rem, 4vw, 3.8rem); }
.working-tools__list p { margin: 0; }
.working-tools__list > a > strong { color: var(--gold-bright); font-size: 2.4rem; font-weight: 300; text-align: right; transition: transform 180ms ease; }
.working-tools__list > a:hover > strong { transform: translate(0.25rem, -0.25rem); }

.ownership-statement {
  overflow: hidden;
  background: var(--gold);
  color: var(--ink);
}
.ownership-statement::after { content: 'BPS'; position: absolute; right: -0.04em; bottom: -0.34em; color: rgb(17 18 15 / 0.07); font: 800 clamp(13rem, 32vw, 36rem)/0.8 var(--sans); letter-spacing: -0.09em; pointer-events: none; }
.ownership-statement__layout { position: relative; z-index: 1; display: grid; grid-template-columns: 0.4fr 1.25fr 0.65fr; gap: clamp(2rem, 6vw, 7rem); align-items: end; }
.ownership-statement .eyebrow { align-self: start; color: #4b3515 !important; }
.ownership-statement h2 { margin: 0; color: var(--ink); font-size: clamp(4rem, 7.5vw, 8rem); line-height: 0.82; }
.ownership-statement h2 em { font-weight: 400; }
.ownership-statement p { color: #30281a; font-weight: 600; }
.ownership-statement .text-link { color: var(--ink) !important; text-decoration-color: var(--ink); }

.bps-final { background: var(--cinema-black); }
.bps-final__layout { display: grid; grid-template-columns: 1.35fr 0.65fr; gap: clamp(3rem, 9vw, 10rem); align-items: end; }
.bps-final h2 { max-width: 14ch; font-size: clamp(3.5rem, 7vw, 7rem); line-height: 0.9; }
.bps-final__layout > div:last-child { display: grid; gap: 1rem; justify-items: start; }
.bps-final__layout > div:last-child > a:not(.action) { color: var(--gold-bright); font-size: 0.78rem; font-weight: 700; }

/* Interior pages: consistent structure, distinct content, no generic white cards. */
.flagship-page-hero,
.marketing-hero,
.work-index-hero,
.portal-public-hero,
.start-hero {
  overflow: hidden;
  border-bottom: 1px solid var(--warm-line);
  background:
    linear-gradient(90deg, rgb(5 5 5 / 0.99), rgb(5 5 5 / 0.9) 56%, rgb(5 5 5 / 0.5)),
    url('/assets/bps-binary-metropolis-1672.webp') 68% center / cover !important;
  color: var(--ivory);
}

.flagship-page-hero::after,
.work-index-hero::after,
.portal-public-hero::after,
.start-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgb(211 171 88 / 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgb(211 171 88 / 0.06) 1px, transparent 1px);
  background-size: 4rem 4rem;
  mask-image: linear-gradient(90deg, transparent 26%, black, transparent);
}

.page-hero-grid,
.portal-public-hero__grid,
.start-hero__grid,
.work-index-hero__grid {
  position: relative;
  z-index: 1;
  min-height: clamp(33rem, 64svh, 47rem);
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(17rem, 0.55fr);
  gap: clamp(3rem, 8vw, 9rem);
  align-items: end;
}

.flagship-page-hero h1,
.portal-public-hero h1,
.start-hero h1,
.work-index-hero h1 {
  max-width: 13ch;
  color: var(--ivory);
  font-size: clamp(3.6rem, 7vw, 7rem);
  line-height: 0.9;
}

.flagship-page-hero .lead,
.marketing-hero .lead,
.portal-public-hero .lead,
.start-hero .lead,
.work-index-hero .lead,
.ownership-promise p,
.portal-access-card p {
  color: #d7d2c9 !important;
}

.breadcrumbs,
.breadcrumbs a { color: #9e9b93; font: 600 0.62rem/1.2 var(--mono); letter-spacing: 0.07em; }
.ownership-promise,
.portal-access-card,
.start-hero__aside {
  border: 1px solid var(--warm-line-strong) !important;
  background: rgb(8 9 8 / 0.82) !important;
  color: var(--ivory);
  box-shadow: var(--cinematic-shadow);
  backdrop-filter: blur(0.6rem);
}
.ownership-promise span,
.portal-access-card > span,
.start-hero__aside > span { color: var(--gold-bright) !important; font-family: var(--mono); }
.ownership-promise strong,
.portal-access-card h2,
.start-hero__aside h2 { color: var(--ivory) !important; }

.page-section-list .marketing-section { border-bottom: 1px solid var(--warm-line); }
.page-section-list .marketing-section:nth-child(even) { background: var(--graphite) !important; }
.content-split { grid-template-columns: minmax(15rem, 0.7fr) minmax(0, 1.3fr); gap: clamp(3rem, 9vw, 10rem); }
.content-split > div:first-child { position: relative; padding-left: 3rem; }
.content-split > div:first-child::before { content: ''; position: absolute; top: 0.3rem; bottom: 0; left: 0; width: 1px; background: linear-gradient(var(--gold-bright), transparent); }
.content-split h2 { max-width: 15ch; font-size: clamp(2.6rem, 4.8vw, 5rem); line-height: 0.96; }
.check-list li::before { color: var(--gold-bright) !important; }

/* Work becomes an editorial case ledger. */
.work-index-hero__proof { border-left: 1px solid var(--warm-line); padding-left: clamp(1.5rem, 3vw, 3rem); }
.work-index-hero__image { margin: 0 0 1.5rem; }
.work-index-hero__image .media { border: 1px solid var(--warm-line-strong); }
.work-index-proof-counts { border-color: var(--warm-line); }
.work-index-proof-counts dt { color: var(--gold-bright); }
.flagship-case,
.work-ledger { border-bottom: 1px solid var(--warm-line); background: #0b0d0c !important; }
.flagship-case__grid { gap: clamp(3rem, 8vw, 8rem); }
.flagship-case__media,
.proof-card__media { border: 1px solid var(--warm-line); background: #101210; box-shadow: var(--cinematic-shadow); }
.flagship-case__facts { border-color: var(--warm-line); }
.flagship-case__facts div { border-color: var(--warm-line); }
.flagship-case__facts dt { color: var(--gold-bright); }
.work-ledger__heading { grid-template-columns: 5rem 1fr; }
.work-ledger__heading > span { color: var(--gold-bright); font-family: var(--mono); }
.work-ledger__heading h2 { font-size: clamp(3rem, 6vw, 6rem); line-height: 0.92; }
.proof-card,
.demo-proof-card,
.work-projects__list article { border: 0; border-top: 1px solid var(--warm-line-strong); border-radius: 0; background: transparent; box-shadow: none; }
.demo-proof-card { min-height: 20rem; display: flex; flex-direction: column; padding: 2rem; }
.demo-proof-card a { margin-top: auto; color: var(--gold-bright); }
.work-ledger--demos .work-ledger__grid { gap: 1px; background: var(--warm-line); }
.work-ledger--demos .demo-proof-card { background: var(--canvas-black); }

/* Functional surfaces retain their behavior but read like engineered workspaces. */
.project-guide,
.capability-lab,
.start-builder,
.start-result,
.preview-demo,
.app-catalog-section {
  background: #090b09 !important;
  color: var(--ivory);
}

.guide-grid fieldset,
.guide-result,
.lab-controls,
.start-form,
.start-form fieldset,
.start-result__heading,
.start-review-gate,
.start-result__grid article,
.generated-brief {
  border-color: var(--warm-line) !important;
  background: #111310 !important;
  color: var(--ivory) !important;
  box-shadow: none;
}

.guide-grid select,
.guide-grid input[type='text'],
.start-form input,
.start-form select,
.start-form textarea,
.assistant-entry input,
.lab-controls select {
  min-height: 3rem;
  border: 1px solid rgb(245 240 230 / 0.32) !important;
  background: #080908 !important;
  color: var(--ivory) !important;
}

.guide-grid legend,
.start-form legend,
.lab-controls legend { color: var(--gold-bright) !important; }
.project-guide .guide-grid label,
.project-guide .guide-grid small,
.project-guide .option,
.project-guide .save-option {
  color: var(--ivory-muted) !important;
}
.project-guide .guide-grid label:not(.option) {
  color: var(--ivory) !important;
}
.option,
.segmented label { min-height: 2.75rem !important; align-items: center; border-color: rgb(245 240 230 / 0.23) !important; }
.segmented label:has(input:checked),
.option:has(input:checked) { border-color: var(--gold-bright) !important; background: rgb(211 171 88 / 0.12) !important; color: var(--gold-pale) !important; }
.lab-preview-column__heading,
.lab-controls__intro strong { color: var(--ivory) !important; }
.device-stage { border: 1px solid var(--warm-line-strong) !important; border-radius: 0; box-shadow: var(--cinematic-shadow); }
.capability-details { display: none; }

.start-form label {
  color: var(--ivory) !important;
}
.start-form small,
.start-consent span,
.start-form > .field__hint {
  color: var(--ivory-muted) !important;
}
.start-form input[type='color'] {
  width: 100%;
  min-height: 3rem;
  padding: 0.3rem;
  border: 1px solid rgb(245 240 230 / 0.32);
  background: #080908;
}
.start-consent {
  grid-column: 1 / -1;
  display: flex !important;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem 0;
  line-height: 1.55;
}
.start-consent input {
  flex: 0 0 auto;
  width: 1.2rem;
  height: 1.2rem;
  margin-top: 0.15rem;
  accent-color: var(--gold-bright);
}
.start-consent a {
  color: var(--gold-bright) !important;
}
.start-honeypot {
  position: absolute !important;
  left: -10000px !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
}

/* Portal public boundary gains a real, honest workflow tour rather than a dead anchor. */
.portal-workflow { border-top: 1px solid var(--warm-line); background: #0d0f0e; }
.portal-workflow__heading { display: grid; grid-template-columns: 0.55fr 1.45fr; gap: clamp(2rem, 7vw, 8rem); margin-bottom: 4rem; }
.portal-workflow__heading h2 { max-width: 16ch; font-size: clamp(3rem, 5.8vw, 6rem); line-height: 0.92; }
.portal-workflow__steps { display: grid; grid-template-columns: repeat(5, 1fr); margin: 0; padding: 0; border: 1px solid var(--warm-line); list-style: none; }
.portal-workflow__steps li { min-height: 14rem; padding: 1.35rem; border-right: 1px solid var(--warm-line); }
.portal-workflow__steps li:last-child { border-right: 0; }
.portal-workflow__steps span { color: var(--gold-bright); font: 600 0.62rem/1 var(--mono); }
.portal-workflow__steps strong { display: block; margin: 3.6rem 0 0.6rem; color: var(--ivory); font-size: 0.9rem; }
.portal-workflow__steps p { font-size: 0.75rem; }

/* Legal, support, and footer remain highly readable. */
.legal-page,
.support-page { background: #090a09; }
.legal-aside { border-color: var(--warm-line-strong); background: #121410; color: var(--ivory); }
.legal-aside strong { color: var(--ivory); }
.legal-article h2 { border-color: var(--warm-line); color: var(--ivory); }
.legal-article a { color: var(--gold-bright); }
.support-app-list { background: var(--warm-line); }
.support-app-list li { background: #0c0e0c; }
.support-app-list span { color: var(--gold-bright); }
.support-app-list strong { color: var(--ivory); }

.site-footer {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--warm-line-strong);
  background: #050505 !important;
  color: var(--ivory);
}
.site-footer::before { content: ''; position: absolute; top: -17rem; right: -12rem; width: 38rem; height: 38rem; border: 1px solid var(--warm-line); border-radius: 50%; box-shadow: 0 0 0 5rem rgb(211 171 88 / 0.03), 0 0 0 10rem rgb(211 171 88 / 0.02); }
.footer-top { position: relative; z-index: 1; grid-template-columns: 1.4fr repeat(3, 0.6fr); gap: clamp(2rem, 5vw, 5rem); }
.site-footer h2,
.site-footer h3,
.site-footer a,
.site-footer .bps-brand,
.site-footer .brand-name { color: var(--ivory) !important; }
.site-footer h2 { max-width: 14ch; font-size: clamp(2.3rem, 4.5vw, 4.6rem); line-height: 0.94; }
.site-footer h3 { color: var(--gold-bright) !important; font: 700 0.62rem/1.2 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; }
.site-footer p { color: #97948e; }
.site-footer .footer-meta { border-color: var(--warm-line); }
.site-footer .bps-brand { align-items: flex-start; width: fit-content; }
.site-footer .brand-mark {
  width: clamp(7.5rem, 10vw, 9rem);
  height: clamp(7.5rem, 10vw, 9rem);
  background-image: url('/assets/bps-logo-gold.webp');
  background-size: contain;
  background-position: center;
  filter: drop-shadow(0 0 1.6rem rgb(226 190 110 / 0.1));
}
.site-footer .brand-name {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

@keyframes hero-breathe {
  from { transform: scale(1.025) translate3d(0, 0, 0); }
  to { transform: scale(1.055) translate3d(-0.35%, -0.2%, 0); }
}

@keyframes system-pulse {
  0%, 100% { opacity: 0.22; filter: brightness(0.75); }
  50% { opacity: 0.9; filter: brightness(1.35); }
}

@media (max-width: 72rem) {
  .primary-nav { display: none; }
  .mobile-nav { display: block; }
  .bps-hero__layout { grid-template-columns: minmax(0, 1fr) minmax(21rem, 0.7fr); gap: 3rem; }
  .proof-rail__layout { grid-template-columns: 1fr 1fr; }
  .proof-rail__layout > * { border-bottom: 1px solid var(--warm-line); }
  .proof-rail__layout > :nth-child(2n) { border-right: 0; }
  .proof-rail__layout > :first-child { padding-left: clamp(1.35rem, 3vw, 3rem); }
  .proof-rail__layout > :last-child { padding-right: clamp(1.35rem, 3vw, 3rem); }
  .systems-section::before { display: none; }
  .systems-section__layout { grid-template-columns: 1fr; }
  .systems-section__intro { position: static; max-width: 55rem; }
  .system-chapter:first-child { border-top: 1px solid var(--warm-line); padding-top: clamp(4rem, 8vw, 7rem); }
  .build-sequence__track { grid-template-columns: repeat(3, 1fr); }
  .build-sequence__track li { border-bottom: 1px solid var(--warm-line); }
  .portal-workflow__steps { grid-template-columns: repeat(3, 1fr); }
  .footer-top { grid-template-columns: 1.4fr repeat(2, 0.7fr); }
  .footer-top > :last-child { grid-column: 2; }
}

@media (max-width: 48rem) {
  :root { --section-space: clamp(4.5rem, 17vw, 7rem); }
  .container { width: min(100% - 2rem, 88rem); }
  .site-header,
  .header-inner { min-height: 4.6rem; }
  .brand-name { display: none; }
  .portal-utility { margin-left: auto; }
  .bps-hero { min-height: auto; }
  .bps-hero__media { left: -28%; opacity: 0.92; }
  .bps-hero__media img { object-position: 69% center; }
  .bps-hero__atmosphere { background: linear-gradient(180deg, rgb(5 5 5 / 0.54), rgb(5 5 5 / 0.97) 55%, #050505 100%); }
  .bps-hero__layout { min-height: auto; grid-template-columns: 1fr; gap: 3.5rem; padding-block: 6rem 2rem; }
  .bps-kicker { margin-bottom: 4rem; }
  .bps-kicker span:last-child { display: none; }
  .bps-hero h1 { max-width: 9ch; font-size: clamp(3.75rem, 17vw, 5.4rem); line-height: 0.88; }
  .bps-hero .lead { max-width: 31rem; font-size: 1rem; }
  .bps-hero__actions { align-items: stretch; }
  .bps-hero__actions .action { width: 100%; }
  .system-assembly { width: min(100%, 25rem); margin: 0 auto 1.5rem; }
  .system-assembly__diagram { min-height: 22rem; }
  .system-node { width: 7.4rem; padding: 0.7rem; }
  .bps-hero__rail { min-height: 6rem; grid-template-columns: 1fr; gap: 0.4rem; padding-block: 1rem; }
  .bps-hero__rail span:nth-child(n) { text-align: left; }
  .proof-rail__layout { grid-template-columns: 1fr; }
  .proof-rail__layout > * { min-height: 16rem; border-right: 0; padding: 2rem 0; }
  .proof-rail__heading { min-height: auto; }
  .system-chapter { min-height: auto; grid-template-columns: 2rem 1fr; padding-block: 4.5rem; }
  .system-chapter__visual { grid-column: 2; width: min(100%, 17rem); justify-self: start; margin-top: 1rem; }
  .build-sequence__heading,
  .working-tools__heading,
  .ownership-statement__layout,
  .bps-final__layout,
  .portal-workflow__heading { grid-template-columns: 1fr; }
  .build-sequence__track,
  .portal-workflow__steps { grid-template-columns: 1fr; }
  .build-sequence__track li,
  .portal-workflow__steps li { min-height: auto; border-right: 0; }
  .working-tools__list > a { grid-template-columns: 2rem 1fr 2rem; }
  .ownership-statement__layout { gap: 2rem; }
  .ownership-statement h2 { font-size: clamp(3.8rem, 18vw, 6rem); }
  .ownership-statement::after { right: -0.08em; bottom: -0.1em; }
  .page-hero-grid,
  .portal-public-hero__grid,
  .start-hero__grid,
  .work-index-hero__grid { min-height: auto; grid-template-columns: 1fr; gap: 2.5rem; padding-block: 6rem 4rem; }
  .flagship-page-hero h1,
  .portal-public-hero h1,
  .start-hero h1,
  .work-index-hero h1 { font-size: clamp(3.4rem, 15vw, 5rem); }
  .content-split { grid-template-columns: 1fr; gap: 2rem; }
  .content-split > div:first-child { padding-left: 1.5rem; }
  .work-index-hero__proof { border-left: 0; padding-left: 0; }
  .work-ledger__heading { grid-template-columns: 2rem 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-top > :last-child { grid-column: auto; }
  .support-app-list { grid-template-columns: 1fr; }
  .support-app-list li { min-height: 4.75rem; }
}

@media (max-width: 26.875rem) {
  .portal-utility span { display: none; }
  .bps-hero h1 { font-size: clamp(3.3rem, 16.7vw, 4.5rem); }
  .system-node--input { left: 0.7rem; }
  .system-node--web,
  .system-node--tools { right: 0.7rem; }
  .system-node--core { top: 8.5rem; }
  .system-line--a { left: 5rem; }
  .working-tools__list > a { padding-inline: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .bps-hero__media img,
  .system-line { animation: none !important; }
}

/* Final audited contrast corrections. These selectors intentionally outrank
   the inherited Phase 2 theme variables used by the static release. */
.page-section-list .marketing-section {
  background: #f5f0e6 !important;
  color: #17140e !important;
}

.page-section-list .marketing-section:nth-child(even) {
  background: #e9e0d0 !important;
}

.page-section-list .marketing-section :where(h2, h3, h4, strong) {
  color: #17140e !important;
}

.page-section-list .marketing-section :where(p, li, .lead) {
  color: #4f493f !important;
}

.page-section-list .marketing-section :where(a, .section-index, .eyebrow) {
  color: #6c4b0c !important;
}

.device-stage .lab-preview :where(h3, h4, p, strong, li, small, span) {
  color: #172a3a !important;
}

.device-stage .lab-preview .lab-demo-notice {
  color: #334655 !important;
}

.device-stage .lab-preview .concept-visual :where(span, strong) {
  color: #ffffff !important;
}

.project-guide .section-heading-row :where(h2, .lead),
.start-builder .section-heading-row :where(h2, .lead) {
  color: var(--ivory) !important;
}

.project-guide .section-heading-row .eyebrow,
.start-builder .section-heading-row .eyebrow {
  color: var(--gold-bright) !important;
}

.project-guide .guide-scenarios {
  border-color: var(--warm-line-strong) !important;
  background: #f7f1e5 !important;
}

.project-guide .guide-scenarios :where(.eyebrow, p) {
  color: #3f321e !important;
}

.project-guide .guide-scenarios button {
  border-color: #574b38 !important;
  color: #17140e !important;
}

.start-builder .demo-badge {
  border-color: var(--gold) !important;
  background: var(--gold) !important;
  color: var(--ink) !important;
}

.build-sequence__track span {
  color: #aaa69f !important;
}

.system-node i,
.system-chapter__index {
  color: #aaa69f !important;
}

.site-footer .action.action--primary {
  color: var(--ink) !important;
}