/* CSS Variables */
:root {
  --color-primary: #dc2626;
  --color-primary-dark: #b91c1c;
  --color-bg-primary: #0a0e17;
  --color-bg-secondary: #0d121d;
  --color-bg-card: #1e2738;
  --color-text-primary: #ffffff;
  --color-text-secondary: #9ca3af;
  --color-border: #1e2738;
  --font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --transition: all 0.3s ease;
  --border-radius: 0;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Typography */
.text-red {
  color: var(--color-primary);
}

.text-white {
  color: var(--color-text-primary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--border-radius);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.btn-primary {
  background: linear-gradient(to right, var(--color-primary), var(--color-primary-dark));
  color: white;
}

.btn-primary:hover {
  background: linear-gradient(to right, var(--color-primary-dark), #991b1b);
  transform: translateY(-1px);
}

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

.btn-outline:hover {
  background: rgba(30, 39, 56, 0.5);
}

.btn-large {
  padding: 1.5rem 2rem;
  font-size: 1rem;
}

.icon {
  width: 1rem;
  height: 1rem;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(10, 14, 23, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(10, 14, 23, 0.95);
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: 700;
}

.logo-icon {
  width: 2rem;
  height: 2rem;
  background: linear-gradient(to right, var(--color-primary), var(--color-primary-dark));
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
}

.desktop-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  color: var(--color-text-primary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--color-primary);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  background: none;
  border: none;
  cursor: pointer;
}

.hamburger {
  width: 1.5rem;
  height: 2px;
  background: var(--color-text-primary);
  transition: var(--transition);
}

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid var(--color-border);
}

.mobile-menu.active {
  display: flex;
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 4rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(220, 38, 38, 0.1) 0%, rgba(10, 14, 23, 0.8) 50%, rgba(185, 28, 28, 0.1) 100%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(30, 39, 56, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 39, 56, 0.1) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.3;
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  padding: 0.25rem 1rem;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.hero-description {
  font-size: clamp(1.125rem, 3vw, 1.5rem);
  color: var(--color-text-secondary);
  margin-bottom: 2rem;
  max-width: 48rem;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
}

.scroll-indicator .icon {
  width: 2rem;
  height: 2rem;
  color: rgba(255, 255, 255, 0.6);
}

@keyframes bounce {
  0%,
  20%,
  53%,
  80%,
  100% {
    transform: translateX(-50%) translateY(0);
  }
  40%,
  43% {
    transform: translateX(-50%) translateY(-10px);
  }
  70% {
    transform: translateX(-50%) translateY(-5px);
  }
  90% {
    transform: translateX(-50%) translateY(-2px);
  }
}

/* Defense Highlight Section */
.defense-highlight {
  padding: 5rem 0;
  background-color: var(--color-bg-secondary);
}

.defense-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

.defense-content {
  animation: fadeInLeft 0.6s ease-out;
}

.section-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.section-description {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.features-list {
  margin-bottom: 2rem;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.feature-icon {
  padding: 0.5rem;
  background: rgba(220, 38, 38, 0.1);
  border-radius: var(--border-radius);
  margin-top: 0.25rem;
}

.feature-icon svg {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--color-primary);
}

.feature-content h4 {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.feature-content p {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

.defense-visual {
  position: relative;
  animation: fadeInRight 0.6s ease-out;
}

.visual-container {
  aspect-ratio: 16 / 9;
  background-color: var(--color-bg-card);
  border-radius: var(--border-radius);
  overflow: hidden;
  position: relative;
}

.visual-image {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(220, 38, 38, 0.2) 0%, rgba(10, 14, 23, 0.8) 100%);
  position: relative;
}

.visual-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  padding: 1.5rem;
  background: linear-gradient(transparent, rgba(10, 14, 23, 0.9));
  width: 100%;
}

.featured-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--color-primary);
  color: white;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.visual-overlay h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.visual-overlay p {
  color: var(--color-text-secondary);
  max-width: 24rem;
}

.visual-decoration {
  position: absolute;
  width: 6rem;
  height: 6rem;
  border: 1px solid var(--color-primary);
}

.decoration-bottom-right {
  bottom: 5rem;
  right: -1rem;
}

.decoration-top-left {
  top: 5rem;
  left: 37rem;
  border-color: var(--color-border);
}

/* Divisions Section */
.divisions {
  padding: 5rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.tabs-container {
  max-width: 80rem;
  margin: 0 auto;
}

.tabs-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

.tab-trigger {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 15px;
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: var(--transition);
  border-radius: var(--border-radius);
  height: 5rem;
}

.tab-trigger:hover {
  border-color: var(--color-primary);
}

.tab-trigger.active {
  background: linear-gradient(to right, var(--color-primary), var(--color-primary-dark));
  border-color: transparent;
}

.tab-icon {
  width: 1.5rem;
  height: 1.5rem;
}

.tab-content {
  position: relative;
}

.tab-panel {
  display: none;
  animation: fadeIn 0.3s ease-out;
}

.tab-panel.active {
  display: block;
}

.division-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

.division-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.875rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.division-icon {
  width: 2rem;
  height: 2rem;
  color: var(--color-primary);
}

.division-description {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  margin-bottom: 2rem;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.feature-card {
  background: rgba(30, 39, 56, 0.3);
  border: 1px solid var(--color-border);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.feature-card:hover {
  border-color: rgba(220, 38, 38, 0.5);
}

.feature-card h4 {
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.feature-card p {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

.division-visual .visual-image {
  aspect-ratio: 1;
}

.defense-bg {
  background: linear-gradient(135deg, rgba(220, 38, 38, 0.2) 0%, rgba(10, 14, 23, 0.8) 100%);
}

.software-bg {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.2) 0%, rgba(10, 14, 23, 0.8) 100%);
}

.textile-bg {
  background: linear-gradient(135deg, rgba(5, 150, 105, 0.2) 0%, rgba(10, 14, 23, 0.8) 100%);
}

.robotics-bg {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.2) 0%, rgba(10, 14, 23, 0.8) 100%);
}

.defense-accent {
  background: linear-gradient(to right, rgba(220, 38, 38, 0.2), rgba(185, 28, 28, 0.2));
}

.software-accent {
  background: linear-gradient(to right, rgba(37, 99, 235, 0.2), rgba(29, 78, 216, 0.2));
}

.textile-accent {
  background: linear-gradient(to right, rgba(5, 150, 105, 0.2), rgba(4, 120, 87, 0.2));
}

.robotics-accent {
  background: linear-gradient(to right, rgba(139, 92, 246, 0.2), rgba(124, 58, 237, 0.2));
}

.software-btn {
  background: linear-gradient(to right, #2563eb, #1d4ed8);
}

.textile-btn {
  background: linear-gradient(to right, #059669, #047857);
}

.robotics-btn {
  background: linear-gradient(to right, #8b5cf6, #7c3aed);
}

/* Capabilities Section */
.capabilities {
  padding: 5rem 0;
  background-color: var(--color-bg-secondary);
}

.capabilities-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.capability-card {
  background: rgba(30, 39, 56, 0.3);
  border: 1px solid var(--color-border);
  padding: 2rem;
  border-radius: var(--border-radius);
  transition: var(--transition);
  text-align: center;
}

.capability-card:hover {
  border-color: rgba(220, 38, 38, 0.5);
  transform: translateY(-2px);
}

.capability-icon {
  display: inline-flex;
  padding: 0.75rem;
  background: rgba(220, 38, 38, 0.1);
  border-radius: var(--border-radius);
  margin-bottom: 1.5rem;
  transition: var(--transition);
}

.capability-card:hover .capability-icon {
  background: rgba(220, 38, 38, 0.2);
}

.capability-icon svg {
  width: 2rem;
  height: 2rem;
  color: var(--color-primary);
}

.capability-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.capability-card p {
  color: var(--color-text-secondary);
}

/* Stats Section */
.stats {
  padding: 5rem 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-number {
  font-size: clamp(2.5rem, 6vw, 3rem);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--color-text-secondary);
  text-transform: uppercase;
  font-size: 0.875rem;
  letter-spacing: 0.1em;
}

/* About Section */
.about {
  padding: 5rem 0;
  background-color: var(--color-bg-secondary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

.about-description {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.about-description.secondary {
  font-size: 1rem;
  margin-bottom: 2rem;
}

.about-visual {
  position: relative;
}

.visual-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.grid-item {
  aspect-ratio: 1;
  background-color: var(--color-bg-card);
  border-radius: var(--border-radius);
  background: linear-gradient(135deg, rgba(220, 38, 38, 0.1) 0%, rgba(10, 14, 23, 0.8) 100%);
}

/* Contact Section */
.contact {
  padding: 5rem 0;
}

.contact-content {
  text-align: center;
  margin: 0 auto;
}

.contact-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
}

/* Footer */
.footer {
  padding: 3rem 0;
  border-top: 1px solid var(--color-border);
  background-color: var(--color-bg-secondary);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-title {
  font-weight: 600;
  margin-bottom: 1rem;
  text-transform: uppercase;
  font-size: 0.875rem;
  letter-spacing: 0.1em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-link {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: var(--transition);
}

.footer-link:hover {
  color: var(--color-text-primary);
}

.footer-description {
  color: var(--color-text-secondary);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 2rem;
  text-align: center;
  color: var(--color-text-secondary);
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

/* Responsive Design */
@media (min-width: 640px) {
  .hero-buttons {
    flex-direction: row;
    justify-content: center;
  }

  .contact-buttons {
    flex-direction: row;
    justify-content: center;
  }

  .tabs-list {
    grid-template-columns: repeat(4, 1fr);
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 768px) {
  .mobile-menu-btn {
    display: none;
  }

  .desktop-menu {
    display: flex;
  }

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

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

  .capabilities-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .footer-content {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1024px) {
  .capabilities-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 767px) {
  .desktop-menu {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .container {
    padding: 0 1rem;
  }

  .hero-content {
    max-width: 100%;
  }

  .contact-content {
    max-width: 100%;
  }
}