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

:root {
  --army-green: #2F3E2D;
  --dark-olive: #3E4E38;
  --matte-black: #0F0F0F;
  --desert-sand: #C6B89E;
  --white: #FFFFFF;
  --accent-red: #B8403A;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: var(--matte-black);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Navigation */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(15, 15, 15, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  padding: 1rem 0;
  box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--desert-sand);
  text-transform: uppercase;
  letter-spacing: 2px;
}

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

.nav-links a {
  color: var(--white);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 1px;
}

.nav-links a:hover {
  color: var(--desert-sand);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.8rem;
  cursor: pointer;
  padding: 0.5rem;
}

/* Hero Section */
.hero {
  height: 100vh;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 15, 15, 0.6);
}

.hero-content {
  position: relative;
  z-index: 1;
  color: var(--white);
  max-width: 800px;
  padding: 2rem;
}

.hero h1 {
  font-size: 4rem;
  font-weight: 900;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero p {
  font-size: 1.3rem;
  margin-bottom: 2rem;
  color: var(--desert-sand);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  margin: 0.5rem;
  text-decoration: none;
  text-transform: uppercase;
  font-weight: bold;
  letter-spacing: 1px;
  border: none;
  cursor: pointer;
  transition: all 0.3s;
  font-size: 1rem;
}

.btn-primary {
  background: var(--army-green);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--dark-olive);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}

.btn-outline:hover {
  background: var(--white);
  color: var(--matte-black);
}

.btn-ghost {
  background: transparent;
  color: var(--desert-sand);
  border: 2px solid var(--desert-sand);
}

.btn-ghost:hover {
  background: var(--desert-sand);
  color: var(--matte-black);
}

/* Sections */
section {
  padding: 5rem 2rem;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 3rem;
  color: var(--army-green);
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.card {
  background: var(--white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
  transition: all 0.3s;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.card-img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.card-content {
  padding: 1.5rem;
}

.card-title {
  font-size: 1.5rem;
  font-weight: bold;
  margin-bottom: 1rem;
  color: var(--army-green);
}

.card-text {
  color: #666;
  margin-bottom: 1rem;
}

/* Stats Section */
.stats {
  background: var(--army-green);
  color: var(--white);
  text-align: center;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.stat-item h3 {
  font-size: 3rem;
  font-weight: bold;
  margin-bottom: 0.5rem;
  color: var(--desert-sand);
}

.stat-item p {
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: bold;
  color: var(--army-green);
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 1px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.8rem;
  border: 2px solid #ddd;
  border-radius: 4px;
  font-size: 1rem;
  transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--army-green);
}

/* Tabs */
.tabs {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  border-bottom: 2px solid #ddd;
}

.tab {
  padding: 1rem 2rem;
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: bold;
  text-transform: uppercase;
  color: #666;
  transition: all 0.3s;
}

.tab.active {
  color: var(--army-green);
  border-bottom: 3px solid var(--army-green);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.5s;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.8);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--white);
  padding: 2rem;
  border-radius: 8px;
  max-width: 500px;
  width: 90%;
  position: relative;
  animation: slideUp 0.3s;
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 2rem;
  cursor: pointer;
  color: #666;
}

/* Gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1rem;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  height: 300px;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.gallery-item:hover img {
  transform: scale(1.1);
}

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.95);
  z-index: 3000;
  align-items: center;
  justify-content: center;
}

.lightbox.active {
  display: flex;
}

.lightbox img {
  max-width: 90%;
  max-height: 90%;
}

.lightbox-close {
  position: absolute;
  top: 2rem;
  right: 2rem;
  font-size: 3rem;
  color: var(--white);
  cursor: pointer;
}

/* Footer */
footer {
  background: var(--matte-black);
  color: var(--white);
  padding: 3rem 2rem;
  text-align: center;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--desert-sand);
  text-decoration: none;
  transition: color 0.3s;
}

.footer-links a:hover {
  color: var(--white);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { transform: translateY(50px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: rgba(15, 15, 15, 0.98);
    flex-direction: column;
    gap: 0;
    padding: 2rem 0;
    transition: left 0.3s;
    z-index: 999;
  }

  .nav-links.active {
    left: 0;
  }

  .nav-links li {
    width: 100%;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }

  .nav-links a {
    display: block;
    padding: 1rem;
    font-size: 1.1rem;
  }

  .nav-container {
    padding: 0 1rem;
  }

  .logo {
    font-size: 1.2rem;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .btn {
    padding: 0.8rem 1.5rem;
    font-size: 0.9rem;
  }
  
  .card-grid {
    grid-template-columns: 1fr;
  }
  
  .section-title {
    font-size: 1.8rem;
  }

  section {
    padding: 3rem 1rem;
  }

  .container {
    padding: 0 1rem;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .stat-item h3 {
    font-size: 2rem;
  }

  .tabs {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .tab {
    padding: 0.8rem 1rem;
    font-size: 0.85rem;
  }

  .modal-content {
    width: 95%;
    padding: 1.5rem;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .gallery-item {
    height: 250px;
  }

  .footer-links {
    flex-direction: column;
    gap: 1rem;
  }

  /* Two-column layouts to single column on mobile */
  section > .container > div[style*="grid-template-columns: 1fr 1fr"],
  section > .container > div[style*="display: grid"] {
    display: block !important;
  }

  section > .container > div > div {
    margin-bottom: 2rem;
  }

  /* Page headers */
  section[style*="background: linear-gradient"] h1 {
    font-size: 2rem !important;
  }

  section[style*="background: linear-gradient"] p {
    font-size: 1rem !important;
  }
}