:root {
  --bg-dark: #0a0d0b;
  --bg-surface: #111713;
  --bg-card: #162019;
  --border-line: #243529;
  --green-beret: #1c3824;
  --green-accent: #2e5939;
  --gold-brass: #c59b27;
  --gold-brass-hover: #ddb23a;
  --text-main: #f0f4f1;
  --text-muted: #8e9e93;
  --font-display: 'Oswald', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-serif: 'Cinzel', serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Subtle tactical grid background pattern */
body::before {
  content: "";
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  background-image: 
    linear-gradient(rgba(30, 59, 39, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 59, 39, 0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  z-index: 0;
}

header, main, footer {
  position: relative;
  z-index: 1;
}

main {
  flex: 1;
}

/* --- Navigation Header (3-Column Tactical Layout) --- */
header {
  position: sticky;
  top: 0;
  background: rgba(10, 13, 11, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-line);
  z-index: 1000;
}

.nav-container {
  max-width: 100%;
  padding: 1.1rem clamp(1.5rem, 6vw, 100px); /* 100px from left/right edges on desktop */
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
}

.brand {
  justify-self: start;
  display: flex;
  align-items: center;
  text-decoration: none;
}

.brand-crest-img {
  height: 48px;
  width: auto;
  object-fit: contain;
  display: block;
  transition: transform 0.2s ease;
}

.brand-crest-img:hover {
  transform: scale(1.05);
}

/* Centered Pure White Navigation Links */
header nav {
  justify-self: center;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2.5rem;
  align-items: center;
}

nav a {
  color: #ffffff; /* Crisp high-contrast white */
  text-decoration: none;
  font-family: var(--font-display);
  letter-spacing: 2px;
  text-transform: uppercase;
  font-size: 1rem;
  font-weight: 600;
  transition: color 0.2s ease, border-color 0.2s ease;
  padding-bottom: 4px;
}

nav a:hover {
  color: var(--gold-brass);
}

nav a.active {
  color: var(--gold-brass);
  border-bottom: 2px solid var(--gold-brass);
}

/* Clean, Frameless Social Media Icons */
.nav-socials {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  padding: 0;
  text-decoration: none;
  opacity: 0.85;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.social-link:hover {
  background: transparent;
  border: none;
  opacity: 1;
  transform: scale(1.15);
}

.social-icon-img {
  width: 24px;
  height: 24px;
  object-fit: contain;
  display: block;
}

.mobile-socials {
  display: none;
}

.nav-btn {
  display: none;
}

/* --- Layout Components --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4.5rem 1.5rem;
}

.page-hero {
  padding: 4.5rem 1.5rem 3.5rem;
  text-align: center;
  background: radial-gradient(circle at center, rgba(30, 59, 39, 0.25) 0%, rgba(10, 13, 11, 0.95) 75%);
  border-bottom: 1px solid var(--border-line);
}

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-top: 0.5rem;
  margin-bottom: 1rem;
}

.page-hero p {
  color: var(--text-muted);
  max-width: 650px;
  margin: 0 auto;
  font-size: 1.05rem;
}

.badge {
  display: inline-block;
  padding: 0.35rem 0.9rem;
  border: 1px solid var(--gold-brass);
  background: rgba(197, 155, 39, 0.08);
  color: var(--gold-brass);
  font-family: var(--font-serif);
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  border-radius: 2px;
}

.section-tag {
  font-family: var(--font-display);
  color: var(--gold-brass);
  letter-spacing: 2.5px;
  text-transform: uppercase;
  font-size: 0.85rem;
  display: block;
  margin-bottom: 0.5rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: 2.4rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 1.5rem;
}

/* --- Buttons --- */
.btn-group {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 0.85rem 2rem;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.95rem;
  text-decoration: none;
  font-weight: 600;
  border-radius: 2px;
  transition: all 0.2s ease;
  cursor: pointer;
  text-align: center;
}

.btn-primary {
  background: var(--gold-brass);
  color: #080a08;
  border: 1px solid var(--gold-brass);
}

.btn-primary:hover {
  background: var(--gold-brass-hover);
  box-shadow: 0 0 15px rgba(197, 155, 39, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--text-main);
  border: 1px solid var(--border-line);
}

.btn-secondary:hover {
  border-color: var(--gold-brass);
  color: var(--gold-brass);
  background: rgba(28, 56, 36, 0.2);
}

/* --- Cards & Grids --- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-line);
  padding: 2.2rem;
  border-radius: 4px;
  transition: transform 0.2s, border-color 0.2s;
  position: relative;
}

.card:hover {
  border-color: var(--gold-brass);
  transform: translateY(-3px);
}

/* --- Footer --- */
footer {
  border-top: 1px solid var(--border-line);
  background: #070908;
  padding: 3.5rem 1.5rem 2.5rem;
  text-align: center;
}

footer .footer-brand {
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: 2px;
  color: var(--gold-brass);
  margin-bottom: 0.75rem;
}

footer p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-disclaimer {
  font-size: 0.75rem;
  color: #556358;
  max-width: 600px;
  margin: 1.5rem auto 0;
  line-height: 1.4;
}

/* --- Responsive Mobile Navigation --- */
@media (max-width: 768px) {
  .nav-container {
    display: flex;
    justify-content: space-between;
    padding: 1rem 1.5rem;
  }

  .nav-socials {
    display: none;
  }

  .nav-btn {
    display: block;
    background: transparent;
    border: 1px solid var(--border-line);
    color: var(--text-main);
    padding: 0.4rem 0.75rem;
    border-radius: 4px;
    font-size: 1.25rem;
    cursor: pointer;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-dark);
    border-bottom: 1px solid var(--border-line);
    padding: 2rem 1.5rem;
    gap: 1.5rem;
    text-align: center;
    z-index: 9999;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.8);
  }

  .nav-links.active {
    display: flex;
  }

  .mobile-socials {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    padding-top: 1.5rem;
    margin-top: 0.5rem;
    border-top: 1px solid var(--border-line);
  }
}