:root {
  color-scheme: dark;
  --color-bg: #06080c;
  --color-bg-elevated: #0d1018;
  --color-card: #111827;
  --color-border: #1f2937;
  --color-text-primary: #f8f9fa;
  --color-text-secondary: #a8b2c0;
  --color-text-muted: #5a6478;
  --color-accent: #00d4ff;
  --color-accent-hover: #33dfff;
  --color-accent-soft: rgba(0, 212, 255, 0.08);
  --color-gold: #d4af37;
  --color-gold-soft: rgba(212, 175, 55, 0.1);
  --color-success: #6ee7b7;
  --color-warning: #f59e0b;
  --font-display: "Playfair Display", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;
  --transition: 300ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 80% -10%, rgba(212, 175, 55, 0.13), transparent 0 28rem),
    radial-gradient(circle at 14% 8%, rgba(0, 212, 255, 0.1), transparent 0 26rem),
    linear-gradient(180deg, rgba(255, 255, 255, 0.025), transparent 24rem),
    var(--color-bg);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

button,
input,
textarea {
  font: inherit;
}

a {
  color: inherit;
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  padding: var(--space-lg) clamp(var(--space-lg), 5vw, var(--space-3xl));
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  background: rgba(6, 8, 12, 0.86);
  backdrop-filter: blur(14px);
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: var(--space-md);
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid rgba(212, 175, 55, 0.5);
  color: var(--color-gold);
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1;
}

.brand-lockup strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.brand-lockup small {
  display: block;
  margin-top: 2px;
  color: var(--color-text-muted);
  font-size: 0.76rem;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-actions a,
.nav-actions button {
  color: var(--color-text-secondary);
  background: transparent;
  border: 0;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.nav-actions a:hover,
.nav-actions button:hover {
  color: var(--color-accent);
}

.nav-actions .nav-button {
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
}

.nav-actions .nav-button:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
}

main {
  overflow: hidden;
}

.hero-shell,
.section-grid,
.snapshot-section,
.queue-shell,
.success-shell {
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto;
}

.hero-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.72fr);
  gap: clamp(var(--space-xl), 5vw, var(--space-4xl));
  align-items: end;
  padding: clamp(72px, 12vw, 144px) 0 var(--space-4xl);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  color: var(--color-accent);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
}

h1 {
  max-width: 10.6ch;
  margin-bottom: var(--space-lg);
  font-size: clamp(3.2rem, 8vw, 6.3rem);
  line-height: 0.94;
}

h2 {
  margin-bottom: var(--space-lg);
  font-size: clamp(2.15rem, 5vw, 4rem);
  line-height: 1.02;
}

h3 {
  margin-bottom: var(--space-md);
  font-size: clamp(1.35rem, 2.4vw, 2rem);
}

h4 {
  margin-bottom: var(--space-sm);
  font-size: 1rem;
  color: var(--color-text-primary);
}

p {
  color: var(--color-text-secondary);
}

.hero-lede {
  max-width: 720px;
  margin-bottom: var(--space-xl);
  color: var(--color-text-secondary);
  font-size: clamp(1.05rem, 2vw, 1.24rem);
}

.hero-actions,
.report-actions,
.success-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: center;
}

.btn {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 0;
  cursor: pointer;
  font-weight: 700;
  padding: 12px 18px;
  text-decoration: none;
  transition: background var(--transition), border-color var(--transition), color var(--transition), transform var(--transition);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-bg);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}

.btn-secondary {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.16);
  color: var(--color-text-primary);
}

.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn:disabled {
  cursor: wait;
  opacity: 0.65;
  transform: none;
}

.fineprint {
  max-width: 680px;
  margin: var(--space-lg) 0 0;
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.hero-panel,
.studio-form,
.snapshot-output,
.queue-card,
.success-card,
.empty-state {
  border: 1px solid var(--color-border);
  background:
    linear-gradient(180deg, rgba(17, 24, 39, 0.95), rgba(13, 16, 24, 0.96)),
    var(--color-card);
}

.hero-panel {
  padding: var(--space-xl);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.36);
}

.panel-topline {
  display: flex;
  justify-content: space-between;
  gap: var(--space-md);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--color-text-muted);
  font-size: 0.86rem;
}

.panel-topline strong {
  color: var(--color-gold);
}

.signal-stack {
  display: grid;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.signal-stack div,
.deliverable-grid article,
.dimension,
.queue-metrics article,
.proof-row,
.operator-proof {
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.025);
  padding: var(--space-lg);
}

.signal-stack small,
.signal-stack span,
.deliverable-grid span,
.dimension span,
.queue-metrics span,
.proof-row span,
.operator-proof span,
.operator-proof small {
  display: block;
  color: var(--color-text-secondary);
}

.signal-stack small {
  margin-bottom: var(--space-xs);
  color: var(--color-text-muted);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.signal-stack strong {
  display: block;
  margin-bottom: var(--space-xs);
  font-family: var(--font-display);
  font-size: 1.28rem;
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1fr);
  gap: clamp(var(--space-xl), 5vw, var(--space-4xl));
  padding: var(--space-4xl) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.contrast-band,
.preview-section,
.proof-engine {
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.contrast-band {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) repeat(2, minmax(0, 1fr));
  gap: var(--space-lg);
  padding: var(--space-4xl) 0;
}

.contrast-band article {
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    linear-gradient(135deg, rgba(0, 212, 255, 0.06), transparent 42%),
    rgba(255, 255, 255, 0.025);
  padding: var(--space-xl);
}

.contrast-band article:first-child {
  border-color: rgba(212, 175, 55, 0.28);
  background:
    linear-gradient(135deg, rgba(212, 175, 55, 0.11), transparent 42%),
    rgba(255, 255, 255, 0.025);
}

.contrast-band h2 {
  margin-bottom: 0;
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.preview-section,
.proof-engine {
  padding: var(--space-4xl) 0;
}

.preview-copy {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-lg);
  align-items: end;
  margin-bottom: var(--space-2xl);
}

.preview-copy .section-label,
.preview-copy h2,
.preview-copy p,
.proof-engine-copy p {
  grid-column: 1;
  max-width: 780px;
}

.preview-copy .btn {
  grid-column: 2;
  grid-row: 2 / span 2;
  align-self: end;
  white-space: nowrap;
}

.preview-workbench {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(360px, 0.72fr);
  gap: var(--space-lg);
  align-items: start;
}

.preview-form,
.preview-output,
.proof-table,
.before-card,
.after-card {
  border: 1px solid var(--color-border);
  background:
    linear-gradient(180deg, rgba(17, 24, 39, 0.95), rgba(13, 16, 24, 0.96)),
    var(--color-card);
  padding: var(--space-xl);
}

.preview-form {
  display: grid;
  gap: var(--space-md);
}

.preview-output {
  position: sticky;
  top: 96px;
  min-height: 500px;
}

#preview-empty {
  display: grid;
  min-height: 420px;
  align-content: center;
}

.proof-engine {
  display: grid;
  gap: var(--space-2xl);
}

.proof-engine-copy {
  max-width: 880px;
}

.proof-demo-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-lg);
}

.before-card,
.after-card {
  min-height: 280px;
}

.before-card span,
.after-card span {
  display: inline-flex;
  margin-bottom: var(--space-md);
  color: var(--color-gold);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.after-card {
  border-color: rgba(0, 212, 255, 0.3);
  background:
    linear-gradient(135deg, rgba(0, 212, 255, 0.09), transparent 45%),
    linear-gradient(180deg, rgba(17, 24, 39, 0.95), rgba(13, 16, 24, 0.96));
}

.proof-table {
  display: grid;
  gap: 0;
  padding: 0;
  overflow: hidden;
}

.proof-table > div {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr 0.85fr;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.proof-table > div:first-child {
  background: rgba(212, 175, 55, 0.1);
  color: var(--color-gold);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.proof-table > div:last-child {
  border-bottom: 0;
}

.proof-table span {
  color: var(--color-text-secondary);
}

.section-grid p,
.snapshot-intro p,
.queue-hero p {
  max-width: 760px;
  font-size: 1.04rem;
}

.deliverable-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-md);
}

.deliverable-grid strong {
  display: block;
  margin-bottom: var(--space-sm);
  color: var(--color-gold);
  font-family: var(--font-display);
  font-size: 1.6rem;
}

.snapshot-section {
  padding: var(--space-4xl) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.snapshot-intro {
  margin-bottom: var(--space-2xl);
}

.product-workspace {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 0.75fr);
  gap: var(--space-lg);
  align-items: start;
}

.studio-form,
.snapshot-output {
  padding: var(--space-xl);
}

.studio-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-md);
}

.form-header,
.wide {
  grid-column: 1 / -1;
}

label {
  display: grid;
  gap: var(--space-sm);
  color: var(--color-text-secondary);
  font-size: 0.88rem;
  font-weight: 700;
}

input,
textarea {
  width: 100%;
  min-height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 0;
  background: rgba(6, 8, 12, 0.78);
  color: var(--color-text-primary);
  padding: 12px 14px;
  transition: border-color var(--transition), background var(--transition);
}

textarea {
  min-height: 104px;
  resize: vertical;
}

input:focus,
textarea:focus,
button:focus,
a:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

input:focus,
textarea:focus {
  border-color: var(--color-accent);
  background: rgba(6, 8, 12, 0.96);
}

.consent-panel {
  display: grid;
  gap: var(--space-sm);
  padding: var(--space-md);
  border: 1px solid rgba(212, 175, 55, 0.25);
  background: var(--color-gold-soft);
}

.check-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-weight: 500;
}

.check-row input {
  width: 18px;
  min-height: 18px;
  margin-top: 4px;
}

.snapshot-output {
  position: sticky;
  top: 96px;
  min-height: 520px;
}

.output-empty {
  display: grid;
  min-height: 460px;
  align-content: center;
}

.hidden {
  display: none !important;
}

.score-header {
  display: flex;
  justify-content: space-between;
  gap: var(--space-lg);
  align-items: flex-start;
  margin-bottom: var(--space-lg);
}

.score-header strong {
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: 4rem;
  line-height: 0.9;
}

.dimension-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-sm);
  margin: var(--space-lg) 0;
}

.dimension {
  padding: var(--space-md);
}

.dimension strong {
  display: block;
  margin-top: var(--space-xs);
  color: var(--color-text-primary);
}

.report-section {
  padding-top: var(--space-lg);
  margin-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--color-text-secondary);
}

.proof-row,
.operator-proof {
  display: grid;
  gap: var(--space-xs);
  margin-bottom: var(--space-sm);
}

.proof-row strong,
.operator-proof strong {
  font-size: 0.94rem;
}

.proof-row small,
.operator-proof small {
  color: var(--color-text-muted);
}

.report-actions {
  margin-top: var(--space-xl);
}

.queue-shell {
  padding: var(--space-3xl) 0 var(--space-4xl);
}

.queue-hero h1 {
  max-width: 14ch;
  font-size: clamp(2.4rem, 6vw, 5.2rem);
}

.queue-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-md);
  margin: var(--space-2xl) 0;
}

.queue-metrics strong {
  display: block;
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: 2.4rem;
}

.queue-list {
  display: grid;
  gap: var(--space-lg);
}

.queue-card,
.empty-state {
  padding: var(--space-xl);
}

.queue-card-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 140px;
  gap: var(--space-lg);
  align-items: start;
}

.queue-card h2 {
  margin-bottom: var(--space-sm);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
}

.queue-score {
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  padding-left: var(--space-lg);
}

.queue-score strong {
  display: block;
  color: var(--color-gold);
  font-family: var(--font-display);
  font-size: 3rem;
  line-height: 0.95;
}

.queue-score span {
  color: var(--color-text-secondary);
  font-size: 0.82rem;
  text-transform: capitalize;
}

.operator-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.6fr);
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

dl {
  display: grid;
  gap: var(--space-sm);
  margin: 0;
}

dt {
  color: var(--color-gold);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

dd {
  margin: 0;
  color: var(--color-text-secondary);
  overflow-wrap: anywhere;
}

.checklist {
  display: grid;
  gap: var(--space-sm);
  padding: 0;
  list-style: none;
}

.checklist li {
  display: flex;
  justify-content: space-between;
  gap: var(--space-sm);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: var(--space-sm);
  color: var(--color-text-secondary);
}

.checklist span {
  color: var(--color-warning);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
}

.checklist .done span {
  color: var(--color-success);
}

.operator-section,
.markdown-export {
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.operator-proof-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-md);
}

.markdown-export summary {
  cursor: pointer;
  color: var(--color-accent);
  font-weight: 700;
}

.markdown-export textarea {
  margin-top: var(--space-md);
  min-height: 360px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.82rem;
}

.success-shell {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: var(--space-xl) 0;
}

.success-card {
  max-width: 760px;
  padding: var(--space-2xl);
}

.success-card h1 {
  max-width: 11ch;
  font-size: clamp(2.8rem, 7vw, 5.6rem);
}

@media (max-width: 940px) {
  .hero-shell,
  .section-grid,
  .product-workspace,
  .operator-grid,
  .contrast-band,
  .preview-copy,
  .preview-workbench,
  .proof-demo-grid {
    grid-template-columns: 1fr;
  }

  .snapshot-output,
  .preview-output {
    position: static;
  }

  .queue-metrics,
  .operator-proof-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .navbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-actions {
    width: 100%;
    flex-wrap: wrap;
    gap: var(--space-md);
  }

  .hero-shell,
  .section-grid,
  .contrast-band,
  .preview-section,
  .proof-engine,
  .snapshot-section,
  .queue-shell,
  .success-shell {
    width: min(100% - 28px, 1200px);
  }

  h1 {
    font-size: clamp(2.75rem, 16vw, 4rem);
  }

  .studio-form,
  .deliverable-grid,
  .dimension-grid,
  .proof-table > div,
  .queue-metrics,
  .queue-card-header,
  .operator-proof-grid {
    grid-template-columns: 1fr;
  }

  .queue-score {
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-left: 0;
    padding-top: var(--space-md);
  }
}

@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;
  }
}