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

:root {
  --primary: #1e3a8a;
  --primary-dark: #1e40af;
  --primary-light: #3b82f6;
  --white: #ffffff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  line-height: 1.6;
  color: var(--gray-800);
  background-color: var(--white);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
}

.logo-svg {
  height: 32px;
  width: auto;
  color: var(--primary);
}

/* Navigation */
.nav {
  display: flex;
  gap: 32px;
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-700);
  transition: color 0.2s;
  position: relative;
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--primary);
}

/* Dropdown Navigation */
.nav-dropdown {
  position: relative;
}

.dropdown-trigger {
  cursor: pointer;
}

.dropdown-trigger::after {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  margin-left: 6px;
  margin-bottom: 2px;
  transition: transform 0.2s;
}

.nav-dropdown:hover .dropdown-trigger::after {
  transform: rotate(-135deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--white);
  min-width: 180px;
  border-radius: 8px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.2s;
  z-index: 100;
}

.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: block;
  padding: 10px 16px;
  font-size: 14px;
  color: var(--gray-700);
  transition: background 0.2s, color 0.2s;
}

.dropdown-item:hover {
  background: var(--gray-50);
  color: var(--primary);
}

.dropdown-item.active {
  color: var(--primary);
  font-weight: 500;
}

.desktop-nav {
  display: none;
}

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 0;
  padding: 20px;
  background: var(--white);
  border-top: 1px solid var(--gray-200);
}

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

.mobile-nav .nav-link {
  padding: 12px 0;
  border-bottom: 1px solid var(--gray-100);
}

.mobile-nav .nav-link.active::after {
  display: none;
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  gap: 5px;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gray-700);
  transition: all 0.3s;
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 500;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-secondary {
  background: var(--gray-100);
  color: var(--gray-800);
}

.btn-secondary:hover {
  background: var(--gray-200);
}

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

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

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

.btn-outline-dark:hover {
  background: var(--primary);
  color: var(--white);
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  padding: 100px 0 60px;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.7));
}

.hero-content {
  position: relative;
  z-index: 1;
  color: var(--white);
}

.hero-subtitle {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 16px;
  opacity: 0.9;
}

.hero-title {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
  max-width: 600px;
}

.hero-description {
  font-size: 16px;
  opacity: 0.9;
  margin-bottom: 32px;
  max-width: 500px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 32px;
  max-width: 400px;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
}

.stat-label {
  font-size: 12px;
  opacity: 0.8;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Sections */
.section {
  padding: 60px 0;
}

.section-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 16px;
  text-align: center;
}

.section-subtitle {
  font-size: 16px;
  color: var(--gray-600);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 40px;
}

/* Features Section */
.features-section {
  background: var(--gray-50);
}

.features-grid {
  display: grid;
  gap: 24px;
}

.feature-card {
  background: var(--white);
  padding: 24px;
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.6;
}

/* Stats Banner */
.stats-banner {
  background: var(--primary);
  padding: 40px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  text-align: center;
}

.stat-box {
  color: var(--white);
}

.stat-number {
  display: block;
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 4px;
}

.stat-text {
  font-size: 12px;
  opacity: 0.9;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Aircraft Section */
.aircraft-grid {
  display: grid;
  gap: 24px;
}

.aircraft-card {
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s, box-shadow 0.3s;
}

.aircraft-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.aircraft-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.aircraft-info {
  padding: 24px;
}

.aircraft-info h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.aircraft-info p {
  font-size: 14px;
  color: var(--gray-600);
  margin-bottom: 16px;
}

/* Newsletter Section */
.newsletter-section {
  background: var(--gray-50);
}

.newsletter-box {
  background: var(--white);
  padding: 40px 24px;
  border-radius: 16px;
  text-align: center;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.newsletter-box h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 12px;
}

.newsletter-box p {
  font-size: 14px;
  color: var(--gray-600);
  margin-bottom: 24px;
}

.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 400px;
  margin: 0 auto;
}

.newsletter-form input {
  padding: 12px 16px;
  border: 1px solid var(--gray-300);
  border-radius: 6px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

.newsletter-form input:focus {
  border-color: var(--primary);
}

/* Footer */
.footer {
  background: var(--gray-900);
  color: var(--white);
  padding: 60px 0 24px;
}

.footer-grid {
  display: grid;
  gap: 32px;
  margin-bottom: 40px;
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-col ul li {
  margin-bottom: 8px;
}

.footer-col ul a {
  font-size: 14px;
  color: var(--gray-300);
  transition: color 0.2s;
}

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

.footer-col p {
  font-size: 14px;
  color: var(--gray-300);
  line-height: 1.6;
}

.footer-logo .logo-svg {
  color: var(--white);
  margin-bottom: 16px;
}

.social-links {
  display: flex;
  gap: 16px;
}

.social-links a {
  color: var(--gray-300);
  transition: color 0.2s;
}

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

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--gray-700);
  display: flex;
  flex-direction: column;
  gap: 16px;
  text-align: center;
}

.footer-bottom p {
  font-size: 14px;
  color: var(--gray-400);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
}

.footer-links a {
  font-size: 14px;
  color: var(--gray-400);
  transition: color 0.2s;
}

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

/* Page Hero (for inner pages) */
.page-hero {
  position: relative;
  padding: 120px 0 60px;
  background-size: cover;
  background-position: center;
  min-height: 50vh;
  display: flex;
  align-items: center;
}

.page-hero-small {
  min-height: 40vh;
  padding: 100px 0 40px;
}

.page-hero .hero-overlay {
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.7));
}

.page-hero-content {
  position: relative;
  z-index: 1;
  color: var(--white);
  text-align: center;
}

.page-hero-content h1 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 16px;
}

.page-hero-content p {
  font-size: 16px;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto;
}

/* Content Section */
.content-section {
  padding: 60px 0;
}

.content-section h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 16px;
}

.content-section p {
  font-size: 15px;
  color: var(--gray-600);
  margin-bottom: 16px;
  line-height: 1.7;
}

/* Specs Grid */
.specs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 24px 0;
}

.spec-item {
  background: var(--gray-50);
  padding: 16px;
  border-radius: 8px;
}

.spec-item .spec-value {
  display: block;
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
}

.spec-item .spec-label {
  font-size: 12px;
  color: var(--gray-600);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Two Column Layout */
.two-col {
  display: grid;
  gap: 40px;
}

.two-col img {
  border-radius: 12px;
  width: 100%;
  height: auto;
}

/* Distributor Cards */
.distributor-section {
  margin-bottom: 40px;
}

.distributor-section h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--primary);
}

.distributor-card {
  background: var(--gray-50);
  padding: 20px;
  border-radius: 8px;
  margin-bottom: 16px;
}

.distributor-card h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.distributor-card p {
  font-size: 14px;
  color: var(--gray-600);
  margin-bottom: 4px;
}

.distributor-card a {
  color: var(--primary);
  font-weight: 500;
}

.distributor-card a:hover {
  text-decoration: underline;
}

/* About Page */
.about-grid {
  display: grid;
  gap: 24px;
  margin: 40px 0;
}

.about-card {
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.about-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.about-card-content {
  padding: 24px;
}

.about-card-content h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.about-card-content p {
  font-size: 14px;
  color: var(--gray-600);
}

/* Highlight Box */
.highlight-box {
  background: var(--primary);
  color: var(--white);
  padding: 40px 24px;
  border-radius: 12px;
  text-align: center;
  margin: 40px 0;
}

.highlight-box h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
}

.highlight-box p {
  font-size: 16px;
  opacity: 0.9;
  margin-bottom: 20px;
}

/* Image Grid */
.image-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 24px 0;
}

.image-grid img {
  border-radius: 8px;
  width: 100%;
  height: 150px;
  object-fit: cover;
}

/* Timeline */
.timeline {
  margin: 40px 0;
}

.timeline-item {
  display: flex;
  gap: 20px;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--gray-200);
}

.timeline-item:last-child {
  border-bottom: none;
}

.timeline-year {
  flex-shrink: 0;
  width: 80px;
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
}

.timeline-content h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 4px;
}

.timeline-content p {
  font-size: 14px;
  color: var(--gray-600);
}

/* Enterprise Page Styles */
.enterprise-banner {
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: center;
  text-align: center;
}

.enterprise-logo {
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-mark {
  font-size: 48px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 4px;
}

.enterprise-info h2 {
  font-size: 20px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 12px;
}

.enterprise-info p {
  font-size: 15px;
  color: var(--gray-600);
}

.enterprise-logo-box {
  background: var(--gray-50);
  padding: 24px;
  border-radius: 12px;
  text-align: center;
}

.logo-text {
  display: block;
  font-size: 28px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
}

.logo-tagline {
  font-size: 14px;
  color: var(--gray-600);
}

/* Partners Grid */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 32px;
}

.partner-logo {
  background: var(--white);
  padding: 24px;
  border-radius: 8px;
  text-align: center;
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-600);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

/* Specs Detail Grid */
.specs-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  max-width: 800px;
  margin: 24px auto;
}

.spec-detail-item {
  display: flex;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--white);
  border-radius: 8px;
}

.spec-detail-label {
  font-size: 14px;
  color: var(--gray-600);
}

.spec-detail-value {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-900);
}

/* Responsive Styles */
@media (min-width: 640px) {
  .hero-title {
    font-size: 40px;
  }

  .hero-stats {
    grid-template-columns: repeat(4, 1fr);
    max-width: 100%;
  }

  .hero-buttons {
    flex-direction: row;
  }

  .newsletter-form {
    flex-direction: row;
  }

  .newsletter-form input {
    flex: 1;
  }

  .stats-grid .stat-number {
    font-size: 36px;
  }

  .page-hero-content h1 {
    font-size: 44px;
  }

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

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

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

  .desktop-nav {
    display: flex;
  }

  .section {
    padding: 80px 0;
  }

  .section-title {
    font-size: 36px;
  }

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

  .aircraft-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }

  .two-col {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

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

@media (min-width: 1024px) {
  .hero-title {
    font-size: 48px;
  }

  .stat-value {
    font-size: 36px;
  }

  .aircraft-image {
    height: 240px;
  }

  .about-card img {
    height: 250px;
  }
}