:root {
  --navy: #1B2A4A;
  --navy-deep: #131F38;
  --blue: #2E86AB;
  --blue-dark: #246E8E;
  --bg: #EDF4F8;
  --surface: #FFFFFF;
  --ink: #1A2233;
  --ink-muted: #4A5468;
  --rule: #D6E2EA;
  --max-width: 1100px;
  --radius: 6px;
  --shadow-sm: 0 1px 2px rgba(19, 31, 56, 0.06);
  --shadow-md: 0 4px 14px rgba(19, 31, 56, 0.08);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---------- Header ---------- */

.site-header {
  background: var(--navy);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.brand-mark {
  width: 44px;
  height: 36px;
  padding: 4px 6px;
  background: #fff;
  border-radius: var(--radius);
  object-fit: contain;
  box-sizing: border-box;
  flex-shrink: 0;
}

.nav {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 1.4rem;
  flex-wrap: wrap;
}

.nav a {
  color: #cfd9e6;
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.15s ease;
}

.nav a:hover,
.nav a:focus {
  color: #fff;
}

/* ---------- Hero ---------- */

.hero {
  background: linear-gradient(180deg, var(--navy) 0%, var(--navy-deep) 100%);
  color: #fff;
  padding: 5rem 0 4.5rem;
}

.hero .eyebrow {
  display: inline-block;
  margin: 0 0 1.25rem;
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #cfe3ee;
  background: rgba(46, 134, 171, 0.18);
  border: 1px solid rgba(46, 134, 171, 0.45);
  border-radius: 999px;
}

.hero h1 {
  margin: 0 0 1.25rem;
  font-size: clamp(1.85rem, 3.4vw, 2.65rem);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.01em;
  max-width: 880px;
}

.hero .lede {
  margin: 0 0 2rem;
  font-size: 1.1rem;
  color: #d8e3ee;
  max-width: 760px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2.75rem;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn-primary {
  background: var(--blue);
  color: #fff;
}

.btn-primary:hover,
.btn-primary:focus {
  background: var(--blue-dark);
}

.btn-ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.35);
}

.btn-ghost:hover,
.btn-ghost:focus {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.25rem 2rem;
  margin: 0;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  max-width: 760px;
}

.hero-meta div { margin: 0; }

.hero-meta dt {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #9fb6c7;
  margin-bottom: 0.25rem;
}

.hero-meta dd {
  margin: 0;
  font-weight: 500;
  color: #fff;
}

/* ---------- Sections ---------- */

.section {
  padding: 4.5rem 0;
}

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

.section h2 {
  margin: 0 0 0.5rem;
  font-size: 1.7rem;
  color: var(--navy);
  letter-spacing: -0.01em;
}

.section h2::after {
  content: "";
  display: block;
  width: 48px;
  height: 3px;
  background: var(--blue);
  margin-top: 0.85rem;
  margin-bottom: 1.75rem;
  border-radius: 2px;
}

.section-intro {
  margin: -0.5rem 0 2rem;
  color: var(--ink-muted);
  max-width: 760px;
}

/* ---------- About ---------- */

.about-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.about-grid p {
  margin: 0 0 1rem;
  color: var(--ink);
}

.callout {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.callout h3 {
  margin: 0 0 0.5rem;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
}

.callout-name {
  margin: 0 0 1rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--navy);
}

/* ---------- Capabilities ---------- */

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.capability {
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 1.6rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.capability:hover {
  border-color: var(--blue);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.capability h3 {
  margin: 0 0 0.85rem;
  font-size: 1.1rem;
  color: var(--navy);
}

.bullet-list {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--ink);
}

.bullet-list li {
  margin-bottom: 0.4rem;
  line-height: 1.5;
}

.bullet-list li::marker {
  color: var(--blue);
}

/* ---------- Past Performance ---------- */

.performance-list {
  display: grid;
  gap: 1.25rem;
}

.perf {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--blue);
  border-radius: var(--radius);
  padding: 1.5rem 1.6rem;
  box-shadow: var(--shadow-sm);
}

.perf-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.6rem;
}

.perf h3 {
  margin: 0;
  font-size: 1.15rem;
  color: var(--navy);
}

.perf-meta {
  font-size: 0.85rem;
  color: var(--ink-muted);
  letter-spacing: 0.02em;
}

.perf p {
  margin: 0;
  color: var(--ink);
}

/* ---------- Certifications ---------- */

.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.cert-block {
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.cert-block h3 {
  margin: 0 0 1rem;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
}

.cert-list,
.naics-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.cert-list li {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.cert-tag {
  font-weight: 700;
  color: var(--navy);
  font-size: 1.05rem;
}

.cert-detail {
  font-size: 0.9rem;
  color: var(--ink-muted);
}

.naics-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem;
  align-items: baseline;
}

.naics-code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-weight: 700;
  color: var(--blue);
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.naics-name {
  color: var(--ink);
}

/* ---------- Contact ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.contact-block {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 1.4rem;
  font-style: normal;
}

.contact-block p {
  margin: 0;
  color: var(--ink);
}

.contact-label {
  font-size: 0.78rem !important;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue) !important;
  margin-bottom: 0.5rem !important;
  font-weight: 600;
}

.contact-block a {
  color: var(--navy);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px solid var(--blue);
}

.contact-block a:hover,
.contact-block a:focus {
  color: var(--blue);
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--navy-deep);
  color: #b9c5d6;
  padding: 2rem 0;
  margin-top: 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.site-footer p {
  margin: 0;
  font-size: 0.9rem;
}

.footer-meta {
  color: #8da0b6;
  font-size: 0.85rem !important;
}

/* ---------- Responsive ---------- */

@media (max-width: 760px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.6rem;
  }

  .nav {
    gap: 1rem;
  }

  .hero {
    padding: 3.5rem 0 3rem;
  }

  .section {
    padding: 3.25rem 0;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .perf-header {
    flex-direction: column;
    gap: 0.15rem;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .capability { transition: none; }
}