/* ==========================================================
   BLACK SEA — public web (blackseaspv.com)
   Light theme. Same typography stack as brain + one-pager.
   ========================================================== */

:root {
  --ink:        #0A1018;
  --navy:       #0F1C2E;
  --navy-deep:  #0A1726;
  --graphite:   #1A2A3C;
  --frost:      #DCE3E8;
  --steel:      #7C95AB;
  --steel-deep: #4F6A82;
  --signal:     #18C26B;
  --alert:      #B83D2C;
  --amber:      #E8A82B;

  --bg:         #FAFAF7;
  --bg-soft:    #F2F1ED;
  --text:       #0A1018;
  --text-sub:   #5A6675;
  --line:       rgba(10, 16, 24, 0.10);
  --line-soft:  rgba(10, 16, 24, 0.06);

  --t-display:  'Archivo', 'Helvetica Neue', sans-serif;
  --t-body:     'Inter', 'Helvetica Neue', sans-serif;
  --t-mono:     'JetBrains Mono', ui-monospace, monospace;
  --t-serif:    'Instrument Serif', 'Times New Roman', serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--t-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Subtle grid background */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(10,16,24,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10,16,24,0.025) 1px, transparent 1px);
  background-size: 56px 56px;
  pointer-events: none;
  z-index: 0;
}

/* ==========================================================
   NAV
   ========================================================== */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 72px;
  background: rgba(250, 250, 247, 0.86);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.nav.scrolled { border-bottom-color: var(--line); }

.nav-inner {
  max-width: 1280px;
  height: 100%;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
}

.nav-brand svg {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.nav-wordmark {
  font-family: var(--t-display);
  font-weight: 900;
  font-size: 15px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text);
}
.nav-wordmark .dot { margin: 0 0.18em; opacity: 0.45; font-weight: 500; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  font-family: var(--t-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-sub);
  text-decoration: none;
  padding: 10px 16px;
  transition: color 0.15s;
  position: relative;
}

.nav-link:hover, .nav-link.active { color: var(--text); }

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 16px;
  right: 16px;
  height: 2px;
  background: var(--signal);
}

.nav-cta {
  margin-left: 12px;
  padding: 9px 18px;
  background: var(--text);
  color: var(--bg);
  font-family: var(--t-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 0;
  transition: opacity 0.15s;
}
.nav-cta:hover { opacity: 0.82; }

.burger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  margin: 4px 0;
  transition: 0.2s;
}

/* ==========================================================
   PAGE STRUCTURE
   ========================================================== */

main {
  position: relative;
  z-index: 1;
  padding-top: 72px;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
}

.section {
  padding: 96px 0;
  position: relative;
  z-index: 1;
}
.section--tight { padding: 64px 0; }
.section--alt { background: var(--bg-soft); }

.section-tag {
  font-family: var(--t-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-sub);
  margin-bottom: 16px;
}
.section-tag .idx {
  color: var(--signal);
  margin-right: 10px;
  font-weight: 500;
}

/* ==========================================================
   HERO
   ========================================================== */

.hero {
  padding: 120px 0 96px;
  position: relative;
  z-index: 1;
}

.hero-title {
  font-family: var(--t-display);
  font-weight: 800;
  font-size: clamp(40px, 6vw, 76px);
  line-height: 0.98;
  letter-spacing: -0.018em;
  color: var(--text);
  margin-bottom: 32px;
  max-width: 980px;
}
.hero-title em {
  font-family: var(--t-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--text-sub);
}

.hero-sub {
  font-family: var(--t-body);
  font-size: clamp(16px, 1.3vw, 19px);
  font-weight: 400;
  line-height: 1.55;
  color: var(--text-sub);
  max-width: 660px;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  font-family: var(--t-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid;
  transition: all 0.15s;
  border-radius: 0;
}
.btn--primary {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}
.btn--primary:hover {
  background: transparent;
  color: var(--text);
}
.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}
.btn--ghost:hover { border-color: var(--text); }

.btn--signal {
  background: var(--signal);
  color: var(--text);
  border-color: var(--signal);
}
.btn--signal:hover { background: transparent; }

/* ==========================================================
   SECTION HEADERS
   ========================================================== */

.section-title {
  font-family: var(--t-display);
  font-weight: 700;
  font-size: clamp(28px, 3.5vw, 44px);
  line-height: 1.05;
  letter-spacing: -0.012em;
  color: var(--text);
  margin-bottom: 24px;
  max-width: 820px;
}
.section-title em {
  font-family: var(--t-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--text-sub);
}

.section-lead {
  font-family: var(--t-body);
  font-size: 17px;
  line-height: 1.55;
  color: var(--text-sub);
  max-width: 720px;
  margin-bottom: 48px;
}

/* ==========================================================
   PRACTICE CARDS
   ========================================================== */

.practice-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.practice-card {
  background: var(--bg);
  padding: 32px 28px;
  border: 1px solid var(--line);
  border-top: 3px solid;
  position: relative;
  transition: transform 0.18s, box-shadow 0.18s;
}
.practice-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(10, 16, 24, 0.06);
}

.practice-card--defense { border-top-color: var(--signal); }
.practice-card--frontier { border-top-color: var(--alert); }
.practice-card--compliance { border-top-color: var(--steel); }

.practice-tag {
  font-family: var(--t-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.practice-card--defense .practice-tag { color: var(--signal); }
.practice-card--frontier .practice-tag { color: var(--alert); }
.practice-card--compliance .practice-tag { color: var(--steel-deep); }

.practice-title {
  font-family: var(--t-display);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: -0.005em;
  color: var(--text);
  margin-bottom: 12px;
}

.practice-body {
  font-family: var(--t-body);
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-sub);
  margin-bottom: 20px;
}

.practice-list {
  list-style: none;
  padding: 0;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
}
.practice-list li {
  font-family: var(--t-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--text-sub);
  line-height: 2;
  padding-left: 16px;
  position: relative;
}
.practice-list li::before {
  content: '+';
  position: absolute;
  left: 0;
  color: var(--signal);
  font-weight: 500;
}

.practice-cta {
  margin-top: 20px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--t-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--text);
  padding-bottom: 2px;
  transition: gap 0.15s;
}
.practice-cta:hover { gap: 10px; }

/* ==========================================================
   APPROACH (HOW WE WORK)
   ========================================================== */

.approach-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.approach-item {
  padding-top: 24px;
  border-top: 2px solid var(--text);
}

.approach-num {
  font-family: var(--t-serif);
  font-size: 44px;
  line-height: 1;
  color: var(--signal);
  margin-bottom: 16px;
}

.approach-title {
  font-family: var(--t-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.25;
  letter-spacing: -0.005em;
  color: var(--text);
  margin-bottom: 12px;
}

.approach-body {
  font-family: var(--t-body);
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-sub);
}

/* ==========================================================
   CTA BAND
   ========================================================== */

.cta-band {
  margin: 0;
  background: var(--text);
  color: var(--bg);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.cta-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(220,227,232,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(220,227,232,0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.cta-band-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 56px;
  align-items: center;
}

.cta-band-title {
  font-family: var(--t-display);
  font-weight: 700;
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--bg);
  margin-bottom: 16px;
}
.cta-band-title em {
  font-family: var(--t-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--steel);
}

.cta-band-sub {
  font-family: var(--t-body);
  font-size: 16px;
  line-height: 1.55;
  color: var(--steel);
  max-width: 540px;
}

.cta-band-action { text-align: right; }

@media (max-width: 900px) {
  .cta-band-inner { grid-template-columns: 1fr; }
  .cta-band-action { text-align: left; }
}

/* ==========================================================
   CONTACT / FORM
   ========================================================== */

.form-wrap {
  max-width: 640px;
  margin: 48px 0;
}

.form-row {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font-family: var(--t-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-sub);
  margin-bottom: 8px;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg);
  border: 1px solid var(--line);
  font-family: var(--t-body);
  font-size: 15px;
  color: var(--text);
  outline: none;
  transition: border-color 0.15s;
  border-radius: 0;
}
.form-input:focus,
.form-textarea:focus,
.form-select:focus { border-color: var(--text); }

.form-textarea {
  min-height: 140px;
  resize: vertical;
  font-family: var(--t-body);
}

.form-help {
  font-family: var(--t-mono);
  font-size: 10px;
  color: var(--text-sub);
  margin-top: 6px;
  letter-spacing: 0.05em;
}

.form-actions {
  margin-top: 32px;
  display: flex;
  gap: 12px;
  align-items: center;
}

.form-meta {
  font-family: var(--t-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--text-sub);
  text-transform: uppercase;
}

/* ==========================================================
   FOOTER
   ========================================================== */

footer {
  background: var(--text);
  color: var(--steel);
  padding: 64px 0 32px;
  position: relative;
  z-index: 1;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-brand-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-brand-row svg {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.footer-brand-row svg circle,
.footer-brand-row svg line { stroke: var(--bg); }
.footer-brand-row svg rect { fill: var(--bg); }

.footer-wordmark {
  font-family: var(--t-display);
  font-weight: 900;
  font-size: 15px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--bg);
}
.footer-wordmark .dot { margin: 0 0.18em; opacity: 0.45; font-weight: 500; }

.footer-tagline {
  font-family: var(--t-body);
  font-size: 13px;
  line-height: 1.6;
  color: var(--steel);
  max-width: 280px;
}

.footer-col h5 {
  font-family: var(--t-mono);
  font-weight: 500;
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bg);
  margin-bottom: 18px;
}

.footer-col ul {
  list-style: none;
  padding: 0;
}

.footer-col li { margin-bottom: 10px; }

.footer-col a {
  font-family: var(--t-body);
  font-size: 14px;
  color: var(--steel);
  text-decoration: none;
  transition: color 0.15s;
}
.footer-col a:hover { color: var(--bg); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid rgba(220,227,232,0.1);
  font-family: var(--t-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--steel-deep);
}
.footer-bottom a {
  color: var(--steel-deep);
  text-decoration: none;
}
.footer-bottom a:hover { color: var(--steel); }

/* ==========================================================
   BRIEFINGS
   ========================================================== */

.briefing-card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-top: 3px solid var(--signal);
  padding: 28px;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform 0.18s, box-shadow 0.18s;
}
.briefing-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(10, 16, 24, 0.06);
}
.briefing-date {
  font-family: var(--t-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--signal);
}
.briefing-title {
  font-family: var(--t-display);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.25;
  letter-spacing: -0.005em;
  color: var(--text);
}
.briefing-excerpt {
  font-family: var(--t-body);
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-sub);
  flex: 1;
}
.briefing-read {
  font-family: var(--t-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text);
  border-bottom: 1px solid var(--text);
  padding-bottom: 2px;
  align-self: flex-start;
  margin-top: 4px;
}
.briefing-empty {
  font-family: var(--t-body);
  font-size: 15px;
  color: var(--text-sub);
  grid-column: 1 / -1;
  padding: 32px 0;
}

/* ==========================================================
   REVEAL ANIMATION
   ========================================================== */

/* Animations only run when JS adds .js-ready to <html> */
.js-ready .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s cubic-bezier(0.16,1,0.3,1),
              transform 0.6s cubic-bezier(0.16,1,0.3,1);
}
.js-ready .reveal.on { opacity: 1; transform: none; }
.js-ready .reveal.d1 { transition-delay: 0.08s; }
.js-ready .reveal.d2 { transition-delay: 0.16s; }
.js-ready .reveal.d3 { transition-delay: 0.24s; }

/* ==========================================================
   RESPONSIVE
   ========================================================== */

@media (max-width: 900px) {
  .container, .nav-inner { padding: 0 24px; }
  .nav-links { display: none; position: fixed; top: 72px; left: 0; right: 0; background: var(--bg); flex-direction: column; gap: 0; padding: 24px; border-bottom: 1px solid var(--line); }
  .nav-links.open { display: flex; }
  .nav-link { padding: 14px 0; }
  .nav-cta { margin: 12px 0 0; align-self: flex-start; }
  .burger { display: block; }
  .hero { padding: 80px 0 64px; }
  .section { padding: 64px 0; }
  .practice-grid, .approach-grid { grid-template-columns: 1fr; gap: 16px; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
}

/* ==========================================================
   V3 ADDITIONS — Products, Markets, Cases
   ========================================================== */

/* PAGE HERO (subpages) */
.page-hero {
  padding: 120px 0 80px;
  border-bottom: 1px solid var(--line);
  position: relative;
  z-index: 1;
}
.page-hero-tag {
  font-family: var(--t-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-sub);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.page-hero-tag .dot-signal {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--signal);
  flex-shrink: 0;
}
.page-hero-title {
  font-family: var(--t-display);
  font-weight: 800;
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.0;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 24px;
  max-width: 860px;
}
.page-hero-title em {
  font-family: var(--t-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--text-sub);
}
.page-hero-lead {
  font-size: 18px;
  line-height: 1.6;
  color: var(--text-sub);
  max-width: 640px;
}

/* DIAGNOSTIC CALLOUT */
.diagnostic-callout {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-left: 4px solid var(--signal);
  padding: 32px 36px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: center;
  margin-bottom: 64px;
}
@media(max-width:768px) { .diagnostic-callout { grid-template-columns: 1fr; } }
.diagnostic-callout-label {
  font-family: var(--t-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--signal);
  margin-bottom: 10px;
}
.diagnostic-callout-title {
  font-family: var(--t-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.diagnostic-callout-body {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.65;
  max-width: 560px;
}
.diagnostic-callout-meta {
  display: flex;
  gap: 28px;
  margin-top: 16px;
}
.diag-stat strong {
  display: block;
  font-family: var(--t-display);
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
}
.diag-stat span {
  font-family: var(--t-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--text-sub);
  text-transform: uppercase;
}
.diag-cta { text-align: center; flex-shrink: 0; }
.diag-price {
  font-family: var(--t-mono);
  font-size: 11px;
  color: var(--text-sub);
  text-align: center;
  margin-top: 8px;
  letter-spacing: 0.1em;
}

/* PRODUCT SECTIONS */
.product-section {
  padding: 72px 0;
  border-bottom: 1px solid var(--line);
}
.product-section:last-child { border-bottom: none; }

.product-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
  margin-bottom: 56px;
}
@media(max-width:900px) { .product-header { grid-template-columns: 1fr; gap: 32px; } }

.product-label {
  font-family: var(--t-mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.product-label.defense { color: var(--signal); }
.product-label.frontier { color: var(--alert); }
.product-label.regulatory { color: var(--steel); }

.product-title {
  font-family: var(--t-display);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 800;
  color: var(--text);
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin-bottom: 16px;
}
.product-description {
  font-size: 16px;
  color: var(--text-sub);
  line-height: 1.65;
}

.product-detail-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}
@media(max-width:768px) { .product-detail-grid { grid-template-columns: 1fr; } }

.product-detail-card {
  padding: 24px;
  border: 1px solid var(--line);
  background: var(--bg);
}
.product-detail-card-title {
  font-family: var(--t-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-sub);
  margin-bottom: 12px;
}
.product-detail-list {
  list-style: none;
  padding: 0;
}
.product-detail-list li {
  font-size: 14px;
  color: var(--text);
  line-height: 1.7;
  padding-left: 14px;
  position: relative;
}
.product-detail-list li::before {
  content: '+';
  position: absolute;
  left: 0;
  color: var(--signal);
  font-weight: 600;
}

.product-price-band {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  padding: 24px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.ppb-range {
  font-family: var(--t-display);
  font-size: 22px;
  font-weight: 800;
  color: var(--text);
}
.ppb-meta {
  display: flex;
  gap: 32px;
  align-items: center;
}
.ppb-stat {
  text-align: center;
}
.ppb-stat strong {
  display: block;
  font-family: var(--t-mono);
  font-size: 13px;
  color: var(--text);
  font-weight: 700;
}
.ppb-stat span {
  font-family: var(--t-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--text-sub);
  text-transform: uppercase;
}

/* LADDER */
.ladder {
  border: 1px solid var(--line);
  overflow: hidden;
}
.ladder-row {
  display: grid;
  grid-template-columns: 120px 1fr 160px;
  border-bottom: 1px solid var(--line);
  transition: background 0.15s;
  align-items: stretch;
}
.ladder-row:last-child { border-bottom: none; }
.ladder-row:hover { background: var(--bg-soft); }
.ladder-cell {
  padding: 24px 28px;
  border-right: 1px solid var(--line);
  display: flex;
  align-items: center;
}
.ladder-cell:first-child {
  background: var(--bg-soft);
  justify-content: center;
}
.ladder-cell:nth-child(2) {
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}
.ladder-cell:last-child {
  border-right: none;
  flex-direction: column;
  align-items: flex-end;
  justify-content: center;
  gap: 8px;
}
.ladder-range {
  font-family: var(--t-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--steel-deep);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: center;
}
.ladder-name {
  font-family: var(--t-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}
.ladder-desc {
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.6;
}
.ladder-badge {
  display: contents;
}
.badge {
  font-family: var(--t-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 3px 8px;
  border: 1px solid;
  white-space: nowrap;
}
.badge--signal { color: var(--signal); border-color: var(--signal); }
.badge--steel { color: var(--steel-deep); border-color: var(--steel); }
.badge--dim { color: var(--text-sub); border-color: var(--line); }
.ladder-cycle {
  font-family: var(--t-mono);
  font-size: 10px;
  color: var(--text-sub);
  letter-spacing: 0.08em;
  white-space: nowrap;
}
@media(max-width:768px) {
  .ladder-row { grid-template-columns: 80px 1fr; }
  .ladder-cell:last-child { display: none; }
}

/* MARKETS */
.market-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border: 1px solid var(--line);
  margin-bottom: 0;
  border-bottom: none;
}
.market-tab {
  font-family: var(--t-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-sub);
  padding: 12px 20px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  border-right: 1px solid var(--line);
  background: var(--bg);
  transition: all 0.15s;
  display: flex;
  align-items: center;
  gap: 8px;
}
.market-tab:last-child { border-right: none; }
.market-tab:hover { color: var(--text); background: var(--bg-soft); }
.market-tab.active { color: var(--text); border-bottom-color: var(--signal); background: var(--bg); }
.market-tab-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--line);
  flex-shrink: 0;
}
.market-tab.active-market .market-tab-dot { background: var(--signal); }
.market-tab.building-market .market-tab-dot { background: var(--amber); }

.market-panel-wrap {
  border: 1px solid var(--line);
  padding: 48px;
  background: var(--bg);
}
@media(max-width:768px) { .market-panel-wrap { padding: 28px 20px; } }

.market-pane { display: none; }
.market-pane.active { display: block; }

.market-pane-header {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: start;
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--line);
}
@media(max-width:768px) { .market-pane-header { grid-template-columns: 1fr; } }

.market-pane-name {
  font-family: var(--t-display);
  font-size: 32px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.015em;
  margin-bottom: 6px;
}
.market-pane-subtitle {
  font-family: var(--t-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--signal);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.market-pane-body {
  font-size: 15px;
  color: var(--text-sub);
  line-height: 1.7;
  max-width: 580px;
}
.market-status-badge {
  font-family: var(--t-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 6px 14px;
  border: 1px solid;
  white-space: nowrap;
}
.market-status-badge.active { color: var(--signal); border-color: var(--signal); }
.market-status-badge.building { color: var(--amber); border-color: var(--amber); }
.market-status-badge.watching { color: var(--text-sub); border-color: var(--line); }

.market-stats {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}
.market-stat {
  padding: 20px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
}
.market-stat-value {
  font-family: var(--t-display);
  font-size: 24px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 4px;
  line-height: 1;
}
.market-stat-label {
  font-family: var(--t-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-sub);
}
.market-capabilities {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}
.market-cap {
  font-family: var(--t-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  padding: 5px 12px;
  border: 1px solid var(--line);
  color: var(--text-sub);
  text-transform: uppercase;
}

/* CASE STUDIES */
.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
@media(max-width:768px) { .case-grid { grid-template-columns: 1fr; } }

.case-item {
  background: var(--bg);
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition: background 0.15s;
}
.case-item:hover { background: var(--bg-soft); }

.case-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.case-tag-pill {
  font-family: var(--t-mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 3px 10px;
  border: 1px solid var(--line);
  color: var(--text-sub);
}
.case-tag-pill.defense { color: var(--signal); border-color: rgba(24,194,107,0.3); }
.case-tag-pill.frontier { color: var(--alert); border-color: rgba(184,61,44,0.3); }
.case-tag-pill.regulatory { color: var(--steel-deep); border-color: rgba(124,149,171,0.3); }

.case-title {
  font-family: var(--t-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.25;
  letter-spacing: -0.005em;
}
.case-body {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.65;
  flex: 1;
}
.case-challenge {
  padding: 16px 20px;
  background: var(--bg-soft);
  border-left: 2px solid var(--line);
}
.case-challenge-label {
  font-family: var(--t-mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-sub);
  margin-bottom: 6px;
}
.case-challenge-text {
  font-size: 13px;
  color: var(--text);
  line-height: 1.55;
}
.case-outcome-band {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 16px 20px;
  background: rgba(24,194,107,0.04);
  border-left: 2px solid var(--signal);
}
.case-outcome-label {
  font-family: var(--t-mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--signal);
  white-space: nowrap;
  padding-top: 2px;
}
.case-outcome-text {
  font-size: 13px;
  color: var(--text);
  line-height: 1.55;
}

/* APPROACH TABLE */
.approach-table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--line);
}
.approach-table tr { border-bottom: 1px solid var(--line); }
.approach-table tr:last-child { border-bottom: none; }
.approach-table tr:hover td { background: var(--bg-soft); }
.approach-table td {
  padding: 28px 32px;
  vertical-align: top;
  border-right: 1px solid var(--line);
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.65;
  transition: background 0.15s;
}
.approach-table td:last-child { border-right: none; }
.approach-table td:first-child {
  width: 48px;
  text-align: center;
  font-family: var(--t-serif);
  font-size: 32px;
  color: var(--signal);
  vertical-align: middle;
  padding: 28px 16px;
}
.approach-table td:nth-child(2) {
  width: 220px;
}
.approach-td-title {
  font-family: var(--t-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--text);
  margin-bottom: 8px;
  letter-spacing: -0.005em;
}
@media(max-width:768px) {
  .approach-table td:nth-child(3) { display: none; }
  .approach-table td:nth-child(2) { width: auto; }
}

/* INDEX TEASER CARDS */
.teaser-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
@media(max-width:900px) { .teaser-grid { grid-template-columns: 1fr; } }

.teaser-card {
  border: 1px solid var(--line);
  border-top: 3px solid var(--line);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-decoration: none;
  color: inherit;
  transition: transform 0.18s, box-shadow 0.18s;
}
.teaser-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(10,16,24,0.06);
}
.teaser-card.defense { border-top-color: var(--signal); }
.teaser-card.frontier { border-top-color: var(--alert); }
.teaser-card.regulatory { border-top-color: var(--steel); }
.teaser-card.markets { border-top-color: var(--navy); }
.teaser-card.cases { border-top-color: var(--amber); }
.teaser-card.approach { border-top-color: var(--graphite); }

.teaser-tag {
  font-family: var(--t-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-sub);
}
.teaser-title {
  font-family: var(--t-display);
  font-weight: 700;
  font-size: 19px;
  color: var(--text);
  line-height: 1.2;
  letter-spacing: -0.005em;
}
.teaser-body {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.6;
  flex: 1;
}
.teaser-link {
  font-family: var(--t-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text);
  border-bottom: 1px solid var(--text);
  padding-bottom: 2px;
  align-self: flex-start;
}

/* STATS ROW */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-bottom: 64px;
}
@media(max-width:768px) { .stats-row { grid-template-columns: repeat(2,1fr); } }
.stat-cell {
  background: var(--bg-soft);
  padding: 28px 24px;
  text-align: center;
}
.stat-value {
  font-family: var(--t-display);
  font-size: 32px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 6px;
}
.stat-label {
  font-family: var(--t-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-sub);
}

/* ==========================================================
   FIT GRID (who for / not for)
   ========================================================== */
.fit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
@media(max-width:768px) { .fit-grid { grid-template-columns: 1fr; } }

.fit-col {
  background: var(--bg);
  padding: 36px 32px;
}
.fit-col--no { background: var(--bg-soft); }

.fit-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.fit-marker {
  font-family: var(--t-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 3px 10px;
  border: 1px solid;
  font-weight: 700;
}
.fit-marker--yes { color: var(--signal); border-color: var(--signal); }
.fit-marker--no { color: var(--alert); border-color: var(--alert); }
.fit-label {
  font-family: var(--t-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-sub);
}
.fit-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.fit-list li {
  font-size: 14px;
  color: var(--text);
  line-height: 1.65;
  padding-left: 20px;
  position: relative;
}
.fit-col--yes .fit-list li::before {
  content: '+';
  position: absolute;
  left: 0;
  color: var(--signal);
  font-weight: 700;
}
.fit-col--no .fit-list li::before {
  content: '×';
  position: absolute;
  left: 0;
  color: var(--alert);
  font-weight: 700;
}

/* ==========================================================
   DIAGNOSTIC FULL BLOCK
   ========================================================== */
.diagnostic-full {
  border: 1px solid var(--line);
  overflow: hidden;
}
.diagnostic-full-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
}
@media(max-width:768px) { .diagnostic-full-grid { grid-template-columns: 1fr; } }

.diagnostic-full-col {
  background: var(--bg);
  padding: 32px 28px;
}
.diagnostic-block-title {
  font-family: var(--t-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--signal);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.diagnostic-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.diagnostic-list li {
  font-size: 14px;
  color: var(--text);
  line-height: 1.6;
  padding-left: 16px;
  position: relative;
}
.diagnostic-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--steel);
  font-size: 12px;
}
.diagnostic-full-footer {
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
  padding: 24px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.diagnostic-full-meta {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}
.diagnostic-meta-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.diagnostic-meta-item strong {
  font-family: var(--t-display);
  font-size: 16px;
  font-weight: 800;
  color: var(--text);
}
.diagnostic-meta-item span {
  font-family: var(--t-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-sub);
}

/* ==========================================================
   CASE SNIPPETS
   ========================================================== */
.snippets-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
@media(max-width:900px) { .snippets-grid { grid-template-columns: 1fr; } }

.snippet-card {
  background: var(--bg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.snippet-type {
  font-family: var(--t-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-sub);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.snippet-problem,
.snippet-scope,
.snippet-outcome {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.snippet-label {
  font-family: var(--t-mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-sub);
}
.snippet-problem .snippet-label { color: var(--alert); }
.snippet-scope .snippet-label { color: var(--steel-deep); }
.snippet-outcome .snippet-label { color: var(--signal); }
.snippet-text {
  font-size: 13px;
  color: var(--text);
  line-height: 1.6;
}