/* ==========================================================================
   MSF Consulting, Inc. — Design System
   Palette: black text on super-light gray, navy + dark gold brand rule
   ========================================================================== */

:root {
  --color-bg: #f4f4f2;
  --color-surface: #ffffff;
  --color-surface-alt: #ececea;
  --color-text: #141414;
  --color-text-muted: #4a4a48;
  --color-navy: #0f2545;
  --color-navy-deep: #0a1a33;
  --color-gold: #a5822c;
  --color-gold-deep: #86691f;
  --color-border: #dcdcd8;

  --font-heading: "Libre Franklin", "Inter", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, sans-serif;

  --container-w: 1180px;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6rem;

  --radius: 2px;
  --shadow-card: 0 1px 2px rgba(15, 37, 69, 0.06), 0 8px 24px rgba(15, 37, 69, 0.05);
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 800;
  line-height: 1.15;
  margin: 0 0 var(--space-2);
  letter-spacing: -0.01em;
}
p { margin: 0 0 var(--space-2); color: var(--color-text); }
.container {
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

/* ---- Brand rule: navy + dark gold bars, side by side, gap between ---- */
.brand-rule {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 4px;
}
.brand-rule span {
  display: block;
  height: 4px;
}
.brand-rule .bar-navy { width: 40px; background: var(--color-navy); }
.brand-rule .bar-gold { width: 40px; background: var(--color-gold); }
.brand-rule.sm .bar-navy,
.brand-rule.sm .bar-gold { width: 24px; }
.brand-rule.on-dark .bar-navy { background: #7fa1d6; }
.brand-rule.on-dark .bar-gold { background: var(--color-gold); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-navy);
  margin-bottom: var(--space-2);
}
.eyebrow.on-dark { color: #cdd9ea; }

/* ---- Buttons ---- */
.btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn-primary {
  background: var(--color-navy);
  color: #ffffff;
  border-color: var(--color-navy);
}
.btn-primary:hover { background: var(--color-navy-deep); }
.btn-gold {
  background: var(--color-gold);
  color: #1a1200;
  border-color: var(--color-gold);
}
.btn-gold:hover { background: var(--color-gold-deep); }
.btn-outline {
  background: transparent;
  color: var(--color-navy);
  border-color: var(--color-navy);
}
.btn-outline:hover { background: var(--color-navy); color: #fff; }
.btn-outline.on-dark {
  color: #ffffff;
  border-color: rgba(255,255,255,0.55);
}
.btn-outline.on-dark:hover {
  background: #ffffff;
  color: var(--color-navy);
}

/* ---- Header ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(244, 244, 242, 0.94);
  backdrop-filter: saturate(150%) blur(6px);
  border-bottom: 1px solid var(--color-border);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-2);
  padding-bottom: var(--space-2);
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.brand img { height: 34px; width: auto; }
.main-nav ul {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.main-nav a {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  color: var(--color-text);
  padding: 0.4rem 0.1rem;
  border-bottom: 2px solid transparent;
}
.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--color-navy);
  border-bottom-color: var(--color-gold);
}
.header-cta { display: flex; align-items: center; gap: var(--space-3); }
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.5rem 0.6rem;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-navy);
  margin: 4px 0;
}

/* ---- Hero ---- */
.hero {
  background: linear-gradient(180deg, var(--color-navy-deep) 0%, var(--color-navy) 100%);
  color: #ffffff;
  padding: var(--space-6) 0 var(--space-5);
}
.hero .container { max-width: 880px; }
.hero h1 {
  color: #ffffff;
  font-size: clamp(2.1rem, 4.2vw, 3.4rem);
  margin-bottom: var(--space-2);
}
.hero p.lead {
  color: #cfd8e6;
  font-size: 1.15rem;
  max-width: 640px;
  margin-bottom: var(--space-4);
}
.hero-actions { display: flex; gap: var(--space-2); flex-wrap: wrap; }

.page-hero {
  background: linear-gradient(180deg, var(--color-navy-deep) 0%, var(--color-navy) 100%);
  color: #fff;
  padding: var(--space-5) 0 var(--space-4);
}
.page-hero h1 { color: #fff; font-size: clamp(1.9rem, 3.4vw, 2.6rem); }
.page-hero p { color: #cfd8e6; max-width: 620px; }

/* ---- Sections ---- */
section { padding: var(--space-6) 0; }
.section-alt { background: var(--color-surface); }
.section-tight { padding: var(--space-5) 0; }
.section-head { max-width: 680px; margin-bottom: var(--space-4); }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* ---- Grids & Cards ---- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-4);
  box-shadow: var(--shadow-card);
  height: 100%;
}
.card h3 { font-size: 1.15rem; margin-bottom: var(--space-1); }
.card p:last-child { margin-bottom: 0; }
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: var(--space-2);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--color-navy);
  letter-spacing: 0.02em;
}
.card-link .arrow { color: var(--color-gold); transition: transform 0.15s ease; }
.card:hover .arrow { transform: translateX(4px); }

/* ---- Stats ---- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
  text-align: center;
}
.stat .num {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 2.4rem;
  color: var(--color-navy);
  line-height: 1;
}
.stat .label {
  margin-top: var(--space-1);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-weight: 600;
}

/* ---- CTA band ---- */
.cta-band {
  background: var(--color-navy);
  color: #fff;
  padding: var(--space-5) 0;
  text-align: center;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: #cfd8e6; max-width: 560px; margin-left: auto; margin-right: auto; }
.cta-band .hero-actions { justify-content: center; }

/* ---- Lists w/ markers ---- */
.check-list li {
  position: relative;
  padding-left: 1.6rem;
  margin-bottom: 0.65rem;
  color: var(--color-text);
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5rem;
  width: 10px;
  height: 4px;
  background: var(--color-gold);
}

/* ---- Values / Approach ---- */
.value-row {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-top: 1px solid var(--color-border);
}
.value-row:last-child { border-bottom: 1px solid var(--color-border); }
.value-row .index {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--color-gold);
  min-width: 3rem;
}
.value-row h3 { margin-bottom: 0.25rem; font-size: 1.05rem; }
.value-row p { margin-bottom: 0; color: var(--color-text-muted); }

/* ---- Table (careers / clearances etc.) ---- */
.info-table { width: 100%; border-collapse: collapse; }
.info-table th, .info-table td {
  text-align: left;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
}
.info-table th {
  font-family: var(--font-heading);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
}

/* ---- Job listings ---- */
.job {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-navy);
  padding: var(--space-3);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}
.job h3 { font-size: 1.02rem; margin-bottom: 0.25rem; }
.job .meta { font-size: 0.85rem; color: var(--color-text-muted); }
.tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: var(--color-surface-alt);
  color: var(--color-navy);
  margin-right: 0.4rem;
}
.card .tag { margin-bottom: var(--space-2); }
.case-result {
  margin-top: var(--space-2);
  padding-top: var(--space-2);
  border-top: 1px solid var(--color-border);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-navy);
}

/* ---- Forms ---- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}
.form-grid .full { grid-column: 1 / -1; }
label {
  display: block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 0.4rem;
}
input, select, textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: #fff;
  color: var(--color-text);
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--color-navy);
  box-shadow: 0 0 0 3px rgba(15, 37, 69, 0.12);
}
textarea { resize: vertical; min-height: 130px; }
.form-note { font-size: 0.82rem; color: var(--color-text-muted); margin-top: var(--space-2); }

.contact-info-list li {
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border);
}
.contact-info-list li:first-child { padding-top: 0; }
.contact-info-list .label {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-navy);
  display: block;
  margin-bottom: 0.2rem;
}

/* ---- Footer ---- */
.site-footer {
  background: var(--color-navy-deep);
  color: #cfd8e6;
  padding: var(--space-5) 0 var(--space-3);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-4);
  padding-bottom: var(--space-4);
}
.footer-grid h4 {
  color: #fff;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}
.footer-grid a, .footer-grid p { color: #aab8cc; font-size: 0.92rem; }
.footer-grid li { margin-bottom: 0.55rem; }
.footer-grid a:hover { color: #fff; }
.footer-brand img { height: 30px; margin-bottom: var(--space-2); filter: brightness(0) invert(1); }
.footer-brand p { max-width: 280px; color: #94a3ba; }
.social-links { display: flex; gap: 0.6rem; margin-top: var(--space-2); }
.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  color: #cfd8e6;
  transition: background 0.15s ease, color 0.15s ease;
}
.social-links a:hover { background: var(--color-gold); color: #1a1200; }
.social-links svg { width: 18px; height: 18px; fill: currentColor; }

.footer-sectors {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: var(--space-4);
  padding-bottom: var(--space-2);
}
.footer-sectors-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}
.footer-sectors-grid h4 {
  color: #fff;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}
.footer-sectors-grid a { color: #aab8cc; font-size: 0.88rem; }
.footer-sectors-grid li { margin-bottom: 0.5rem; }
.footer-sectors-grid a:hover { color: #fff; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: var(--space-3);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: 0.82rem;
  color: #8493aa;
}
.footer-bottom .brand-rule { margin-bottom: 0; }
.footer-bottom p { color: inherit; margin-bottom: 0; }

/* ---- Utilities ---- */
.text-muted { color: var(--color-text-muted); }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-sectors-grid { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
}
@media (max-width: 760px) {
  .main-nav { position: fixed; inset: 64px 0 0 0; background: var(--color-bg); border-top: 1px solid var(--color-border); padding: var(--space-3); transform: translateY(-110%); transition: transform 0.2s ease; overflow-y: auto; }
  .main-nav.open { transform: translateY(0); }
  .main-nav ul { flex-direction: column; align-items: flex-start; gap: var(--space-2); }
  .nav-toggle { display: block; }
  .header-cta .btn { display: none; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-sectors-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .job { flex-direction: column; align-items: flex-start; }
  .stats { grid-template-columns: repeat(2, 1fr); }
}