:root {
  /* Dual-Tone Core Architecture */
  --bg-page: #f8fafc;
  --bg-alt: #f1f5f9;
  --surface-card: #ffffff;
  --border-subtle: #e2e8f0;
  --border-strong: #cbd5e1;

  /* Executive Deep Navy */
  --navy-deep: #071527;
  --navy-hero: #091b31;
  --navy-surface: #0e2746;
  --navy-surface-2: #14355c;
  --navy-border: #1f436d;

  /* Typography Colors */
  --text-heading: #091a2f;
  --text-body: #334155;
  --text-muted: #64748b;
  --text-light: #f8fafc;
  --text-light-muted: #94a3b8;

  /* Brand Accents */
  --gold: #d5ad55;
  --gold-light: #f4dc9e;
  --gold-hover: #c4993c;
  --gold-badge-bg: #fef8eb;
  --gold-badge-border: #f1d48d;

  --accent-blue: #1d4ed8;
  --accent-blue-bg: #eff6ff;
  --accent-blue-border: #bfdbfe;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;

  --shadow-subtle: 0 1px 3px rgba(15, 23, 42, 0.05);
  --shadow-card: 0 4px 20px -2px rgba(15, 23, 42, 0.06), 0 2px 6px -1px rgba(15, 23, 42, 0.03);
  --shadow-hover: 0 14px 34px -4px rgba(15, 23, 42, 0.12), 0 4px 10px -2px rgba(15, 23, 42, 0.06);
  --shadow-hero: 0 25px 60px -12px rgba(2, 6, 23, 0.6);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg-page);
  color: var(--text-body);
  font: 16px/1.65 Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
}

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

button {
  cursor: pointer;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 1rem;
}

.skip:focus {
  left: 1rem;
  z-index: 50;
  background: #ffffff;
  color: var(--navy-deep);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-card);
  font-weight: 700;
}

.wrap {
  max-width: 1200px;
  margin: auto;
  padding: 0 28px;
}

/* Site Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(7, 21, 39, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: border-color 0.25s ease, background 0.25s ease;
}

.site-header.scrolled {
  border-color: rgba(213, 173, 85, 0.25);
  background: rgba(7, 21, 39, 0.98);
}

.nav {
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #ffffff;
}

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

.nav-brand img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: 50%;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.3));
}

.nav-brand span {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.nav-brand b {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: #ffffff;
}

.nav-brand small {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.links {
  display: flex;
  gap: 22px;
  align-items: center;
  font-size: 0.88rem;
  font-weight: 500;
  color: #d1dbe5;
}

.links a {
  transition: color 0.15s ease;
  padding: 6px 0;
  position: relative;
}

.links a:hover,
.links a.active {
  color: var(--gold-light);
}

.links a.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gold);
  border-radius: 2px;
}

.nav-cta,
.btn.primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--gold) 0%, #c4993c 100%);
  color: #071527;
  border: 1px solid var(--gold-light);
  border-radius: 9px;
  font-weight: 800;
  padding: 0.72rem 1.25rem;
  font-size: 0.88rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
  box-shadow: 0 4px 14px rgba(213, 173, 85, 0.25);
}

.nav-cta:hover,
.btn.primary:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
  box-shadow: 0 6px 20px rgba(213, 173, 85, 0.35);
}

.menu {
  display: none;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  font-size: 0.88rem;
  font-weight: 600;
}

/* Dual-Tone Hero Section (Deep Navy Focus Tone) */
.hero {
  background: radial-gradient(circle at 85% 15%, rgba(29, 78, 216, 0.22), transparent 45%),
              radial-gradient(circle at 20% 80%, rgba(213, 173, 85, 0.12), transparent 35%),
              linear-gradient(145deg, #071527 0%, #0a213c 60%, #0d2847 100%);
  color: var(--text-light);
  padding: 95px 0 85px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--navy-border);
}

.hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(213, 173, 85, 0.4), transparent);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 55px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--gold-light);
  font-size: 0.76rem;
  text-transform: uppercase;
  font-weight: 800;
  letter-spacing: 0.16em;
  margin-bottom: 0.75rem;
}

.hero h1,
.page-hero h1 {
  font-size: clamp(2.4rem, 4.5vw, 4.2rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
  font-weight: 850;
  margin: 0.5rem 0 1.25rem;
  color: #ffffff;
}

.hero p {
  max-width: 640px;
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--text-light-muted);
  margin: 0 0 1.5rem;
}

.actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 24px;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 9px;
  padding: 0.75rem 1.25rem;
  font-weight: 700;
  font-size: 0.92rem;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.btn.secondary {
  background: rgba(255, 255, 255, 0.06);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
}

.btn.secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.4);
  transform: translateY(-2px);
}

/* Secondary Button inside Light Sections */
.section .btn.secondary,
.section-head ~ .actions .btn.secondary {
  background: #ffffff;
  color: var(--navy-deep);
  border: 1.5px solid var(--border-strong);
  box-shadow: var(--shadow-subtle);
}

.section .btn.secondary:hover,
.section-head ~ .actions .btn.secondary:hover {
  background: #f8fafc;
  border-color: var(--navy-deep);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.motto {
  display: inline-block;
  margin-top: 28px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--gold-light);
  letter-spacing: 0.05em;
  padding: 6px 14px;
  background: rgba(213, 173, 85, 0.1);
  border: 1px solid rgba(213, 173, 85, 0.25);
  border-radius: var(--radius-full);
}

.mark-wrap {
  position: relative;
  padding: 24px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.mark-wrap::before {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px dashed rgba(213, 173, 85, 0.35);
  border-radius: 50%;
  animation: spin-slow 60s linear infinite;
}

.mark-wrap::after {
  content: "";
  position: absolute;
  inset: -12px;
  border: 1px solid rgba(37, 99, 235, 0.2);
  border-radius: 50%;
}

@keyframes spin-slow {
  to { transform: rotate(360deg); }
}

.corporate-mark {
  width: 100%;
  max-width: 380px;
  aspect-ratio: 1;
  object-fit: contain;
  border-radius: 50%;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.6));
  position: relative;
  z-index: 2;
}

/* Page Hero for Subpages */
.page-hero {
  padding: 80px 0 55px;
  background: radial-gradient(circle at 90% 10%, rgba(37, 99, 235, 0.18), transparent 45%),
              linear-gradient(135deg, #071527 0%, #0d2847 80%);
  border-bottom: 1px solid var(--navy-border);
  color: var(--text-light);
}

.page-hero p {
  font-size: 1.15rem;
  line-height: 1.7;
  max-width: 760px;
  color: var(--text-light-muted);
}

/* Sections - Dual-Tone Architecture (Light Tone Base) */
.section {
  padding: 85px 0;
  background: var(--bg-page);
  color: var(--text-body);
}

.section.alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.section-head {
  max-width: 720px;
  margin-bottom: 38px;
}

.section .eyebrow {
  color: #b45309;
  background: var(--gold-badge-bg);
  border: 1px solid var(--gold-badge-border);
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.section h2 {
  font-size: clamp(1.85rem, 3.2vw, 2.75rem);
  line-height: 1.2;
  letter-spacing: -0.035em;
  font-weight: 800;
  color: var(--text-heading);
  margin: 0.6rem 0 1rem;
}

.section-head p,
.lede {
  color: var(--text-body);
  font-size: 1.08rem;
  line-height: 1.7;
}

/* Grid Layouts */
.grid {
  display: grid;
  gap: 22px;
}

.cards-4 {
  grid-template-columns: repeat(4, 1fr);
}

.cards-3 {
  grid-template-columns: repeat(3, 1fr);
}

/* Cards (Dual-Tone Light Styling with Deep Contrast) */
.card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  padding: 28px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  position: relative;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: #cbd5e1;
}

.card h3 {
  margin: 0 0 0.75rem;
  font-size: 1.2rem;
  font-weight: 750;
  color: var(--text-heading);
}

.card p {
  color: var(--text-body);
  margin: 0;
  line-height: 1.65;
  font-size: 0.96rem;
}

.icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  background: var(--accent-blue-bg);
  border: 1px solid var(--accent-blue-border);
  color: var(--accent-blue);
  font-weight: 800;
  font-size: 0.95rem;
  border-radius: 10px;
  margin-bottom: 20px;
}

/* Product Cards */
.product-card {
  padding: 0;
  overflow: hidden;
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
}

.product-logo {
  height: 185px;
  width: 100%;
  object-fit: contain;
  background: #ffffff;
  padding: 24px;
  border-bottom: 1px solid var(--border-subtle);
}

.product-copy {
  padding: 26px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.kicker {
  display: inline-block;
  align-self: flex-start;
  color: var(--accent-blue);
  background: var(--accent-blue-bg);
  border: 1px solid var(--accent-blue-border);
  font-size: 0.74rem;
  font-weight: 750;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 10px;
}

.product-copy h3 {
  font-size: 1.35rem;
  margin: 0 0 0.6rem;
}

.product-copy p {
  margin-bottom: 1rem;
}

.product-copy .btn {
  margin-top: auto;
  align-self: flex-start;
}

.link-row {
  margin-top: auto;
  padding-top: 18px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* Service Item */
.service-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.service-item {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  background: #ffffff;
  box-shadow: var(--shadow-subtle);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.service-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
  border-color: var(--border-strong);
}

.service-item .kicker {
  margin-bottom: 8px;
}

.service-item h3 {
  margin: 0 0 0.4rem;
  font-size: 1.15rem;
  color: var(--text-heading);
}

.service-item p {
  margin: 0;
  color: var(--text-body);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Research Band */
.research-band {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.research-band div {
  border: 1px solid var(--border-subtle);
  padding: 18px 20px;
  border-radius: var(--radius-md);
  color: var(--text-heading);
  font-weight: 650;
  font-size: 0.96rem;
  background: #ffffff;
  box-shadow: var(--shadow-subtle);
  display: flex;
  align-items: center;
  gap: 10px;
}

.research-band div::before {
  content: "✦";
  color: var(--gold-hover);
  font-size: 0.85rem;
}

/* Split layout */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.statement {
  font-size: clamp(1.8rem, 2.8vw, 2.6rem);
  line-height: 1.25;
  letter-spacing: -0.035em;
  font-weight: 800;
  color: var(--text-heading);
  margin: 0;
}

.quote {
  border-left: 3px solid var(--gold);
  padding-left: 24px;
  color: var(--navy-deep);
  font-weight: 700;
}

/* High-Impact CTA Banner (Deep Navy Dual-Tone Element) */
.cta {
  background: radial-gradient(circle at 90% 20%, rgba(29, 78, 216, 0.25), transparent 45%),
              linear-gradient(135deg, #071527 0%, #0d2847 100%);
  border: 1px solid rgba(213, 173, 85, 0.35);
  border-radius: var(--radius-xl);
  padding: 56px;
  color: #ffffff;
  box-shadow: var(--shadow-hero);
  position: relative;
  overflow: hidden;
}

.cta h2 {
  color: #ffffff;
  margin-top: 0;
  font-size: clamp(2rem, 3.2vw, 2.75rem);
}

.cta .lede {
  color: var(--text-light-muted);
  max-width: 650px;
}

.cta .eyebrow {
  color: var(--gold-light);
  background: rgba(213, 173, 85, 0.12);
  border-color: rgba(213, 173, 85, 0.25);
}

/* Details Grid */
.details {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.details div {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 22px;
  box-shadow: var(--shadow-subtle);
}

.details strong {
  display: block;
  color: var(--accent-blue);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 6px;
}

/* Lists */
.list {
  list-style: none;
  padding: 0;
  margin: 20px 0;
}

.list li {
  border-top: 1px solid var(--border-subtle);
  padding: 14px 0;
  color: var(--text-body);
}

/* Connect / Form Layout */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.field {
  display: grid;
  gap: 6px;
}

.field.full {
  grid-column: 1 / -1;
}

.field label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-heading);
}

.field input,
.field textarea,
.field select {
  background: #ffffff;
  border: 1.5px solid var(--border-strong);
  color: var(--text-heading);
  border-radius: var(--radius-sm);
  padding: 0.75rem 0.9rem;
  font-size: 0.95rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.field textarea {
  min-height: 130px;
  resize: vertical;
}

.consent {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: var(--text-body);
  font-size: 0.88rem;
}

.consent input {
  margin-top: 4px;
}

.consent a {
  color: var(--accent-blue);
  text-decoration: underline;
}

.form-note {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-top: 14px;
}

.form-success {
  margin-top: 20px;
  padding: 20px;
  background: #f0fdf4;
  border: 1.5px solid #86efac;
  border-radius: var(--radius-md);
  color: #166534;
}

.form-success strong {
  display: block;
  font-size: 1.05rem;
  margin-bottom: 6px;
}

/* Legal Pages */
.legal {
  background: #ffffff;
}

.legal h2 {
  margin-top: 2.2rem;
  font-size: 1.45rem;
}

.legal p,
.legal li {
  color: var(--text-body);
  font-size: 1rem;
  line-height: 1.7;
}

/* Site Footer (Deep Obsidian Navy Tone) */
.site-footer {
  border-top: 1px solid var(--navy-border);
  padding: 60px 0 30px;
  background: #05101d;
  color: var(--text-light);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 36px;
}

.footer-grid .brand b {
  font-size: 1.15rem;
  letter-spacing: 0.05em;
}

.footer-grid .brand small {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.footer-grid h3 {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--gold-light);
  margin-bottom: 14px;
  font-weight: 800;
}

.footer-grid a,
.footer-grid p {
  display: block;
  color: var(--text-light-muted);
  font-size: 0.92rem;
  margin: 0.5rem 0;
  transition: color 0.15s ease;
}

.footer-grid a:hover {
  color: #ffffff;
}

.copyright {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 40px;
  padding-top: 22px;
  color: #718096;
  font-size: 0.84rem;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}

.copyright a:hover {
  color: #cbd5e1;
}

/* Responsive Media Queries */
@media (max-width: 960px) {
  .links {
    display: none;
  }
  .menu {
    display: block;
  }
  .links.open {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    left: 16px;
    right: 16px;
    top: 72px;
    padding: 22px;
    background: #071527;
    border: 1px solid var(--navy-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-hero);
    gap: 16px;
  }
  .links.open .nav-cta {
    width: 100%;
    text-align: center;
  }
  .hero {
    padding: 70px 0;
  }
  .hero-grid,
  .split {
    grid-template-columns: 1fr;
  }
  .mark-wrap {
    max-width: 320px;
    margin: auto;
  }
  .cards-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .cards-3 {
    grid-template-columns: 1fr;
  }
  .research-band {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .wrap {
    padding: 0 20px;
  }
  .nav {
    height: 70px;
  }
  .hero h1,
  .page-hero h1 {
    font-size: 2.25rem;
  }
  .section {
    padding: 60px 0;
  }
  .cards-4,
  .service-list,
  .form-grid,
  .details,
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .field.full {
    grid-column: auto;
  }
  .copyright {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .nav-brand img {
    width: 42px;
    height: 42px;
  }
  .cta {
    padding: 32px 24px;
  }
}
