/* ============================================================
   SENTINEL ASSET INTELLIGENCE — Brand Stylesheet
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Barlow:wght@300;400;500;600;700&family=Barlow+Condensed:wght@500;600;700&family=Inter:wght@300;400;500&display=swap');

:root {
  --sentinel-black: #1A1A2E;
  --sentinel-deep: #0F0F1E;
  --sentinel-surface: #22223A;
  --army-green: #4A5C3A;
  --army-green-light: #5A6E48;
  --steel-gray: #8B9BB4;
  --intel-gold: #C9A84C;
  --intel-gold-light: #D4B866;
  --clean-white: #F4F4F4;
  --body-text: #B8C4D4;
  --border: rgba(139, 155, 180, 0.15);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--sentinel-black);
  color: var(--clean-white);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── TYPOGRAPHY ─────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.1;
  color: var(--clean-white);
}

h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); }
h4 { font-size: 1.1rem; letter-spacing: 0.08em; text-transform: uppercase; }

p { color: var(--body-text); line-height: 1.7; }

.eyebrow {
  font-family: 'Barlow', sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--intel-gold);
  margin-bottom: 0.75rem;
  display: block;
}

.gold { color: var(--intel-gold); }
.white { color: var(--clean-white); }
.steel { color: var(--steel-gray); }

/* ── LAYOUT ─────────────────────────────────────────── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 6rem 0;
}

.section-dark { background: var(--sentinel-black); }
.section-deep { background: var(--sentinel-deep); }
.section-surface { background: var(--sentinel-surface); }
.section-green { background: var(--army-green); }

/* ── NAVIGATION ─────────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(26, 26, 46, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

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

.nav-logo-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.nav-name {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--clean-white);
  line-height: 1;
}

.nav-sub {
  font-size: 0.55rem;
  letter-spacing: 0.18em;
  color: var(--intel-gold);
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-family: 'Barlow', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel-gray);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--intel-gold); }
.nav-links a.active { color: var(--clean-white); }

.nav-cta {
  background: var(--intel-gold) !important;
  color: var(--sentinel-black) !important;
  padding: 0.5rem 1.25rem !important;
  border-radius: 2px !important;
  font-weight: 600 !important;
}

.nav-cta:hover { background: var(--intel-gold-light) !important; color: var(--sentinel-black) !important; }

/* ── SHIELD LOGO ────────────────────────────────────── */
.shield-svg { flex-shrink: 0; }

/* ── BUTTONS ────────────────────────────────────────── */
.btn {
  display: inline-block;
  font-family: 'Barlow', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.85rem 2rem;
  border-radius: 2px;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

.btn-gold {
  background: var(--intel-gold);
  color: var(--sentinel-black);
}

.btn-gold:hover {
  background: var(--intel-gold-light);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--intel-gold);
  border: 1px solid var(--intel-gold);
}

.btn-outline:hover {
  background: var(--intel-gold);
  color: var(--sentinel-black);
}

/* ── GOLD ACCENT LINE ───────────────────────────────── */
.gold-line {
  width: 48px;
  height: 3px;
  background: var(--intel-gold);
  margin-bottom: 1.5rem;
}

.gold-line-center { margin-left: auto; margin-right: auto; }

/* ── CARDS ──────────────────────────────────────────── */
.card {
  background: var(--sentinel-surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2rem;
  position: relative;
}

.card-gold-top {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--intel-gold);
  border-radius: 4px 4px 0 0;
}

/* ── GRID ───────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }

@media (max-width: 768px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .section { padding: 4rem 0; }
}

/* ── FOOTER ─────────────────────────────────────────── */
footer {
  background: var(--sentinel-deep);
  border-top: 1px solid var(--border);
  padding: 3rem 0 2rem;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 3rem;
  flex-wrap: wrap;
}

.footer-brand p {
  font-size: 0.85rem;
  color: var(--steel-gray);
  margin-top: 0.75rem;
  max-width: 280px;
}

.footer-links h5 {
  font-family: 'Barlow', sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--intel-gold);
  margin-bottom: 1rem;
}

.footer-links ul { list-style: none; }
.footer-links ul li { margin-bottom: 0.5rem; }
.footer-links ul a {
  font-size: 0.85rem;
  color: var(--steel-gray);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-links ul a:hover { color: var(--clean-white); }

.footer-contact p {
  font-size: 0.85rem;
  color: var(--steel-gray);
  margin-bottom: 0.4rem;
}

.footer-contact a {
  color: var(--steel-gray);
  text-decoration: none;
}

.footer-contact a:hover { color: var(--intel-gold); }

.footer-bottom {
  max-width: 1100px;
  margin: 2rem auto 0;
  padding: 1.5rem 2rem 0;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  font-size: 0.75rem;
  color: var(--steel-gray);
}

.footer-tagline {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--intel-gold);
}