/* ============================================================
   APXQNT — Apex Quant Capital Ltd
   style.css — Main Stylesheet
   Institutional quantitative research aesthetic
   ============================================================ */

/* ── Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=EB+Garamond:ital,wght@0,400;0,500;0,600;1,400&family=DM+Mono:wght@300;400;500&family=Libre+Franklin:wght@300;400;500;600&display=swap');

/* ── CSS Variables ── */
:root {
  --bg:           #f4f3f0;
  --bg-alt:       #eeece8;
  --bg-dark:      #111210;
  --ink:          #1a1a18;
  --ink-mid:      #3c3c38;
  --ink-light:    #7a7a72;
  --ink-xlight:   #b0aea6;
  --rule:         #d4d2cc;
  --rule-dark:    #2e2e2a;
  --accent:       #2a4a6b;
  --accent-mid:   #3a6494;
  --accent-light: #c8d8e8;
  --white:        #faf9f7;

  --f-serif:      'EB Garamond', 'Georgia', serif;
  --f-sans:       'Libre Franklin', 'Helvetica Neue', sans-serif;
  --f-mono:       'DM Mono', 'Courier New', monospace;

  --space-xs:     0.25rem;
  --space-sm:     0.5rem;
  --space-md:     1rem;
  --space-lg:     2rem;
  --space-xl:     4rem;
  --space-2xl:    8rem;

  --max-width:    1200px;
  --col-gutter:   2.5rem;

  --transition:   0.2s ease;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--f-sans);
  font-weight: 300;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

/* ── Grid texture overlay ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--rule) 1px, transparent 1px),
    linear-gradient(90deg, var(--rule) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: 0.18;
  pointer-events: none;
  z-index: 0;
}

/* ── Container ── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--col-gutter);
  position: relative;
  z-index: 1;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(244, 243, 240, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--rule);
  transition: border-color var(--transition);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--col-gutter);
}

/* Logo */
.nav-logo {
  display: flex;
  flex-direction: column;
  gap: 1px;
  text-decoration: none;
}
.nav-logo-wordmark {
  font-family: var(--f-mono);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.18em;
  color: var(--ink);
  text-transform: uppercase;
}
.nav-logo-sub {
  font-family: var(--f-sans);
  font-weight: 300;
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  color: var(--ink-light);
  text-transform: uppercase;
}

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  list-style: none;
}
.nav-links a {
  font-family: var(--f-sans);
  font-weight: 400;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mid);
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width var(--transition);
}
.nav-links a:hover { color: var(--accent); }
.nav-links a:hover::after { width: 100%; }

/* Mobile menu toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--ink);
  transition: var(--transition);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-bottom: var(--space-2xl);
  padding-top: 64px;
  position: relative;
  overflow: hidden;
}

/* Subtle geometric background */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}
.hero-bg::before {
  content: '';
  position: absolute;
  right: -5%;
  top: 10%;
  width: 55%;
  height: 75%;
  border: 1px solid var(--rule);
  transform: rotate(2deg);
}
.hero-bg::after {
  content: '';
  position: absolute;
  right: 5%;
  top: 20%;
  width: 40%;
  height: 55%;
  border: 1px solid var(--rule);
  transform: rotate(-1.5deg);
}

.hero-coordinate {
  position: absolute;
  top: 100px;
  right: var(--col-gutter);
  font-family: var(--f-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: var(--ink-xlight);
  writing-mode: vertical-rl;
  z-index: 1;
}

.hero-index {
  font-family: var(--f-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--ink-xlight);
  text-transform: uppercase;
  margin-bottom: var(--space-xl);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}
.hero-index::before {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--ink-xlight);
}

.hero-headline {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: clamp(2.8rem, 5.5vw, 5.2rem);
  line-height: 1.08;
  color: var(--ink);
  max-width: 820px;
  margin-bottom: var(--space-xl);
  letter-spacing: -0.01em;
}
.hero-headline em {
  font-style: italic;
  color: var(--ink-mid);
}

.hero-descriptor {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  max-width: 720px;
  margin-bottom: var(--space-2xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--rule);
}
.hero-descriptor p {
  font-size: 0.85rem;
  color: var(--ink-light);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}
.hero-scroll-hint {
  font-family: var(--f-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  color: var(--ink-xlight);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.hero-scroll-hint::after {
  content: '';
  display: block;
  width: 1px;
  height: 32px;
  background: var(--ink-xlight);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* ============================================================
   SECTION BASE STYLES
   ============================================================ */
section { position: relative; z-index: 1; }

.section-label {
  font-family: var(--f-mono);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-xlight);
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}
.section-label .num {
  color: var(--accent);
}
.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--rule);
  max-width: 60px;
}

.section-heading {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: var(--space-lg);
}

.section-subheading {
  font-family: var(--f-sans);
  font-weight: 400;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-light);
  margin-bottom: var(--space-md);
}

.section-body {
  font-size: 0.92rem;
  color: var(--ink-mid);
  line-height: 1.8;
  max-width: 620px;
}

/* ============================================================
   DIVIDER
   ============================================================ */
.section-rule {
  width: 100%;
  height: 1px;
  background: var(--rule);
  margin: 0;
  border: none;
}

/* ============================================================
   INTRODUCTION / ABOUT
   ============================================================ */
.intro-section {
  padding: var(--space-2xl) 0;
  border-bottom: 1px solid var(--rule);
}

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-2xl);
  align-items: start;
}

.intro-aside {
  position: sticky;
  top: 96px;
}

.intro-stat-group {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--rule);
}
.intro-stat {
  margin-bottom: var(--space-lg);
}
.intro-stat-label {
  font-family: var(--f-mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-xlight);
  margin-bottom: var(--space-xs);
}
.intro-stat-value {
  font-family: var(--f-serif);
  font-size: 1.2rem;
  color: var(--ink);
}

.intro-main p {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--ink-mid);
  margin-bottom: var(--space-lg);
}
.intro-main p:first-of-type {
  font-size: 1.2rem;
  color: var(--ink);
}

/* ============================================================
   CAPABILITIES
   ============================================================ */
.capabilities-section {
  padding: var(--space-2xl) 0;
  border-bottom: 1px solid var(--rule);
}

.capabilities-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--rule);
}

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.capability-item {
  padding: var(--space-xl) var(--space-lg);
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  transition: background var(--transition);
}
.capability-item:hover {
  background: var(--bg-alt);
}
.capability-item:nth-child(3n) {
  border-right: none;
}
.capability-item:nth-last-child(-n+3) {
  border-bottom: none;
}

.capability-index {
  font-family: var(--f-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: var(--space-lg);
}

.capability-title {
  font-family: var(--f-sans);
  font-weight: 500;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: var(--space-md);
  line-height: 1.4;
}

.capability-desc {
  font-size: 0.82rem;
  color: var(--ink-light);
  line-height: 1.7;
}

/* ============================================================
   APPROACH / METHODOLOGY
   ============================================================ */
.approach-section {
  padding: var(--space-2xl) 0;
  background: var(--bg-dark);
  border-top: 1px solid var(--rule-dark);
  border-bottom: 1px solid var(--rule-dark);
}

.approach-section .section-label { color: #5a5a52; }
.approach-section .section-label .num { color: #4a7aaa; }
.approach-section .section-label::after { background: var(--rule-dark); }
.approach-section .section-heading { color: #e8e6e0; }
.approach-section .section-body { color: #8a8880; }

.approach-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
  margin-top: var(--space-xl);
}

.approach-phases {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.phase-item {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--rule-dark);
}
.phase-item:last-child { border-bottom: none; }

.phase-num {
  font-family: var(--f-mono);
  font-size: 0.62rem;
  color: #4a7aaa;
  letter-spacing: 0.08em;
  flex-shrink: 0;
  margin-top: 2px;
}

.phase-content {}
.phase-title {
  font-family: var(--f-sans);
  font-weight: 500;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #c8c6c0;
  margin-bottom: var(--space-sm);
}
.phase-desc {
  font-size: 0.82rem;
  color: #6a6a62;
  line-height: 1.7;
}

.approach-principles {
  padding: var(--space-xl);
  border: 1px solid var(--rule-dark);
  position: sticky;
  top: 96px;
}

.principles-label {
  font-family: var(--f-mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #4a4a42;
  margin-bottom: var(--space-lg);
}

.principle-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--rule-dark);
  font-size: 0.8rem;
}
.principle-line:last-child { border-bottom: none; }
.principle-name { color: #a0a098; }
.principle-indicator {
  width: 60px;
  height: 1px;
  background: var(--rule-dark);
  position: relative;
}
.principle-indicator::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 1px;
  background: #4a7aaa;
}
.p-full::after { width: 100%; }
.p-high::after { width: 80%; }
.p-med::after { width: 60%; }

/* ============================================================
   COMPLIANCE
   ============================================================ */
.compliance-section {
  padding: var(--space-2xl) 0;
  border-bottom: 1px solid var(--rule);
}

.compliance-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-2xl);
}

.compliance-aside {
  position: sticky;
  top: 96px;
}
.compliance-badge {
  display: inline-block;
  font-family: var(--f-mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent-light);
  padding: var(--space-xs) var(--space-sm);
  margin-top: var(--space-lg);
}

.compliance-items {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.compliance-item {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: var(--space-lg);
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--rule);
}
.compliance-item:last-child { border-bottom: none; }

.compliance-mark {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  margin-top: 7px;
  flex-shrink: 0;
}

.compliance-text strong {
  display: block;
  font-weight: 500;
  font-size: 0.82rem;
  color: var(--ink);
  margin-bottom: var(--space-xs);
  letter-spacing: 0.02em;
}
.compliance-text p {
  font-size: 0.82rem;
  color: var(--ink-light);
  line-height: 1.7;
}

/* ============================================================
   CONTACT CTA
   ============================================================ */
.contact-cta-section {
  padding: var(--space-2xl) 0;
  border-bottom: 1px solid var(--rule);
}

.contact-cta-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.contact-details {
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--rule);
}
.contact-row {
  display: flex;
  gap: var(--space-xl);
  margin-bottom: var(--space-lg);
  align-items: flex-start;
}
.contact-row-label {
  font-family: var(--f-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-xlight);
  width: 80px;
  flex-shrink: 0;
  padding-top: 2px;
}
.contact-row-value {
  font-size: 0.85rem;
  color: var(--ink-mid);
}
.contact-row-value a {
  color: var(--accent);
  transition: color var(--transition);
}
.contact-row-value a:hover { color: var(--accent-mid); }

.contact-note {
  font-family: var(--f-mono);
  font-size: 0.65rem;
  color: var(--ink-xlight);
  line-height: 1.8;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--rule);
  margin-top: var(--space-xl);
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--bg-dark);
  border-top: 1px solid var(--rule-dark);
  padding: var(--space-xl) 0;
  position: relative;
  z-index: 1;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--rule-dark);
  margin-bottom: var(--space-lg);
}

.footer-brand {}
.footer-wordmark {
  font-family: var(--f-mono);
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 0.2em;
  color: #e0deda;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}
.footer-tagline {
  font-size: 0.75rem;
  color: #4a4a42;
  line-height: 1.6;
  margin-top: var(--space-sm);
}

.footer-col-label {
  font-family: var(--f-mono);
  font-size: 0.58rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #3a3a32;
  margin-bottom: var(--space-md);
}
.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.footer-links a {
  font-size: 0.78rem;
  color: #5a5a52;
  transition: color var(--transition);
}
.footer-links a:hover { color: #a0a098; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-legal-text {
  font-family: var(--f-mono);
  font-size: 0.6rem;
  color: #3a3a32;
  letter-spacing: 0.06em;
  line-height: 1.6;
}
.footer-company-num {
  font-family: var(--f-mono);
  font-size: 0.6rem;
  color: #2e2e28;
  letter-spacing: 0.06em;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--f-sans);
  font-weight: 400;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 14px 28px;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--ink);
  color: var(--bg);
}
.btn-primary:hover {
  background: var(--accent);
  color: var(--white);
}

.btn-outline {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--rule);
}
.btn-outline:hover {
  border-color: var(--ink);
}

.btn-arrow::after {
  content: '→';
  transition: transform var(--transition);
}
.btn-arrow:hover::after {
  transform: translateX(4px);
}

/* ============================================================
   PAGE HEADER (inner pages)
   ============================================================ */
.page-header {
  padding-top: 120px;
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid var(--rule);
}
.page-header-label {
  font-family: var(--f-mono);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  color: var(--ink-xlight);
  text-transform: uppercase;
  margin-bottom: var(--space-lg);
}
.page-header h1 {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
}
.page-header .lead {
  margin-top: var(--space-lg);
  font-size: 0.95rem;
  color: var(--ink-mid);
  max-width: 560px;
  line-height: 1.8;
}

/* ============================================================
   CONTENT SECTIONS (inner pages)
   ============================================================ */
.content-section {
  padding: var(--space-2xl) 0;
  border-bottom: 1px solid var(--rule);
}
.content-section:last-child { border-bottom: none; }

.content-grid {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: var(--space-2xl);
}

.content-sidebar {
  position: sticky;
  top: 96px;
}
.content-sidebar-label {
  font-family: var(--f-mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-xlight);
}

.content-body h2 {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: 1.6rem;
  line-height: 1.2;
  color: var(--ink);
  margin-bottom: var(--space-lg);
}
.content-body h3 {
  font-family: var(--f-sans);
  font-weight: 500;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
}
.content-body p {
  font-size: 0.9rem;
  color: var(--ink-mid);
  line-height: 1.85;
  margin-bottom: var(--space-md);
}
.content-body ul {
  list-style: none;
  margin: var(--space-md) 0 var(--space-lg);
}
.content-body ul li {
  font-size: 0.88rem;
  color: var(--ink-mid);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--rule);
  padding-left: var(--space-md);
  position: relative;
  line-height: 1.7;
}
.content-body ul li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--ink-xlight);
  font-size: 0.7rem;
}

.content-callout {
  padding: var(--space-lg);
  background: var(--bg-alt);
  border-left: 2px solid var(--accent);
  margin: var(--space-lg) 0;
}
.content-callout p {
  font-size: 0.85rem;
  color: var(--ink-mid);
  line-height: 1.75;
  margin: 0;
}

/* Contact page form */
.contact-form-section {
  padding: var(--space-2xl) 0;
}
.contact-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
}
.contact-info-block {
  padding: var(--space-xl);
  border: 1px solid var(--rule);
}
.contact-info-block h3 {
  font-family: var(--f-sans);
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-light);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--rule);
}
.contact-info-item {
  margin-bottom: var(--space-md);
}
.contact-info-item-label {
  font-family: var(--f-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-xlight);
  margin-bottom: 4px;
}
.contact-info-item-value {
  font-size: 0.85rem;
  color: var(--ink-mid);
}
.contact-info-item-value a {
  color: var(--accent);
}

/* ============================================================
   LOADING / PAGE TRANSITION
   ============================================================ */
.page-fade {
  animation: fadeIn 0.4s ease forwards;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   UTILITY
   ============================================================ */
.text-mono { font-family: var(--f-mono); }
.text-serif { font-family: var(--f-serif); }
.text-accent { color: var(--accent); }
.text-light { color: var(--ink-light); }
.text-xlight { color: var(--ink-xlight); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  :root { --col-gutter: 1.5rem; }
  .intro-grid,
  .compliance-grid { grid-template-columns: 1fr; }
  .intro-aside { position: static; }
  .capabilities-grid { grid-template-columns: repeat(2, 1fr); }
  .capability-item:nth-child(3n) { border-right: 1px solid var(--rule); }
  .capability-item:nth-child(2n) { border-right: none; }
  .approach-grid { grid-template-columns: 1fr; }
  .approach-principles { position: static; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --col-gutter: 1.25rem; --space-2xl: 5rem; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--rule);
    padding: var(--space-lg) var(--col-gutter);
    gap: var(--space-lg);
  }
  .hero-descriptor { grid-template-columns: 1fr; }
  .capabilities-grid { grid-template-columns: 1fr; }
  .capability-item { border-right: none !important; }
  .capabilities-header { grid-template-columns: 1fr; }
  .contact-cta-inner { grid-template-columns: 1fr; }
  .contact-info-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: var(--space-md); align-items: flex-start; }
  .content-grid { grid-template-columns: 1fr; }
  .content-sidebar { position: static; display: none; }
  .hero-coordinate { display: none; }
}

@media (max-width: 480px) {
  .hero-headline { font-size: 2.2rem; }
  .compliance-grid { grid-template-columns: 1fr; }
}


/* ============================================================
   V5 DARK CONSOLIDATION OVERRIDES
   ============================================================ */
:root {
  --bg: #15181a;
  --bg-alt: #1b1f22;
  --bg-dark: #101315;
  --ink: #f1ece1;
  --ink-mid: #d1c9bb;
  --ink-light: #9a9387;
  --ink-xlight: #6e6a63;
  --rule: rgba(126, 136, 147, 0.18);
  --rule-dark: rgba(126, 136, 147, 0.16);
  --accent: #6b87a2;
  --accent-mid: #86a1bb;
  --accent-light: rgba(107, 135, 162, 0.24);
  --white: #f5efe5;
}

html, body {
  background: radial-gradient(circle at 52% 18%, rgba(95, 110, 126, 0.16), transparent 28%),
              radial-gradient(circle at 84% 24%, rgba(67, 85, 102, 0.12), transparent 22%),
              linear-gradient(180deg, #14171a 0%, #101315 100%);
}

body {
  color: var(--ink);
}

body::before {
  background-image:
    linear-gradient(rgba(101, 115, 128, 0.13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(101, 115, 128, 0.13) 1px, transparent 1px);
  background-size: 84px 84px;
  opacity: 0.44;
}

.site-nav {
  background: rgba(20, 23, 26, 0.88);
  border-bottom: 1px solid rgba(126, 136, 147, 0.16);
}
.nav-logo-wordmark,
.nav-links a,
.hero-headline,
.section-heading,
.intro-stat-value,
.capability-title,
.compliance-text strong,
.page-header h1,
.content-body h2,
.content-body h3 {
  color: var(--ink);
}
.nav-logo-sub,
.hero-index,
.hero-coordinate,
.section-label,
.intro-stat-label,
.capability-desc,
.compliance-text p,
.contact-row-value,
.page-header .lead,
.content-body p,
.content-body ul li,
.contact-info-item-value {
  color: var(--ink-light);
}
.nav-links a:hover { color: var(--white); }
.nav-links a::after, .hero-index::before, .section-label::after { background: rgba(107, 135, 162, 0.42); }

.hero {
  min-height: 94vh;
}
.hero-bg::before, .hero-bg::after {
  border-color: rgba(126, 136, 147, 0.14);
}
.hero-headline em { color: #cfc6b8; }
.hero-descriptor { border-top-color: rgba(126, 136, 147, 0.18); }
.hero-descriptor p { color: var(--ink-light); }
.hero-scroll-hint, .hero-scroll-hint::after { color: var(--ink-xlight); background: var(--ink-xlight); }

.intro-section,
.capabilities-section,
.compliance-section,
.contact-cta-section,
.content-section,
.contact-form-section,
.page-header {
  background: transparent;
  border-bottom-color: rgba(126, 136, 147, 0.14);
}

.intro-stat-group,
.capabilities-header,
.contact-details,
.contact-note,
.content-body ul li,
.contact-info-block,
.contact-info-block h3,
.content-callout,
.page-header,
.content-callout,
.content-grid,
.content-section,
.content-body ul li,
.content-section:last-child,
.contact-info-block,
.contact-info-item,
.compliance-item,
.phase-item {
  border-color: rgba(126, 136, 147, 0.14);
}

.intro-main p:first-of-type { color: var(--ink-mid); }
.intro-main p { color: var(--ink-light); }
.section-body { color: var(--ink-light); }

.capability-item {
  background: rgba(255,255,255,0.01);
  border-color: rgba(126, 136, 147, 0.14);
}
.capability-item:hover {
  background: rgba(255,255,255,0.03);
}
.capability-index, .section-label .num, .phase-num, .page-header-label, .content-sidebar-label, .contact-row-label, .contact-info-item-label {
  color: var(--accent-mid);
}

.approach-section {
  background: rgba(10, 13, 15, 0.68);
  border-top-color: rgba(126, 136, 147, 0.14);
  border-bottom-color: rgba(126, 136, 147, 0.14);
}
.approach-section .section-label, .approach-section .principles-label { color: var(--ink-xlight); }
.approach-section .section-label::after { background: rgba(107, 135, 162, 0.26); }
.approach-section .section-heading { color: var(--ink); }
.phase-title { color: var(--ink-mid); }
.phase-desc { color: var(--ink-light); }

.approach-principles {
  padding: 1.5rem 1.75rem;
  border: 1px solid rgba(126, 136, 147, 0.14);
  background: rgba(255,255,255,0.015);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.02);
}
.principles-label {
  margin-bottom: 1rem;
}
.principle-line {
  display: block;
  padding: 0.9rem 0;
  border-bottom: 1px solid rgba(126, 136, 147, 0.14);
}
.principle-name {
  color: var(--ink-mid);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
}
.principle-indicator, .principle-indicator::after {
  display: none !important;
}

.compliance-badge {
  color: var(--accent-mid);
  border-color: rgba(107, 135, 162, 0.32);
  background: rgba(107, 135, 162, 0.08);
}
.compliance-mark { background: var(--accent-mid); }
.contact-row-value a, .content-body a, .contact-info-item-value a { color: #b8c7d6; }
.contact-row-value a:hover, .content-body a:hover, .contact-info-item-value a:hover { color: var(--white); }

.btn-primary {
  background: #e8dfd1;
  color: #111417;
}
.btn-primary:hover {
  background: #d6c8b5;
  color: #111417;
}
.btn-outline {
  color: var(--ink-mid);
  border-color: rgba(126, 136, 147, 0.22);
  background: rgba(255,255,255,0.01);
}
.btn-outline:hover {
  border-color: rgba(184, 199, 214, 0.45);
  color: var(--white);
}

.site-footer {
  background: rgba(8, 10, 12, 0.86);
  border-top-color: rgba(126, 136, 147, 0.14);
}
.footer-tagline, .footer-links a, .footer-col-label, .footer-legal-text, .footer-company-num { color: var(--ink-light); }
.footer-links a:hover { color: var(--white); }

.nav-links.open {
  background: rgba(20, 23, 26, 0.96);
  border-bottom-color: rgba(126, 136, 147, 0.14);
}

.content-callout {
  background: rgba(255,255,255,0.03);
  border-left-color: var(--accent-mid);
}

.contact-info-block, .content-callout, .approach-principles {
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

@media (max-width: 768px) {
  .hero { min-height: auto; padding-bottom: 5rem; }
}