/* Modern CSS Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* CSS Custom Properties - Dark Blue Theme */
:root {
  /* Dark Blue Color Palette */
  --primary-dark: #1a365d;
  --primary-blue: #2c5aa0;
  --secondary-blue: #004aad;
  --accent-gold: #ffd700;
  --accent-orange: #ff8c00;
  
  /* Neutral Colors */
  --white: #ffffff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  
  /* Typography */
  --font-primary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
}

/* Base Styles */
html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--gray-200);
  z-index: 1000;
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  color: var(--primary-dark);
  font-weight: 600;
  font-size: 1.25rem;
}

.nav-logo i {
  font-size: 1.5rem;
  color: var(--primary-blue);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--space-xl);
}

.nav-link {
  text-decoration: none;
  color: var(--primary-dark);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  transition: var(--transition-base);
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-blue);
  transition: var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.nav-toggle .bar {
  width: 24px;
  height: 2px;
  background: var(--primary-dark);
  transition: var(--transition-base);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--space-4xl) var(--space-lg);
}

.hero-content {
  max-width: 600px;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--primary-dark);
  margin-bottom: var(--space-xl);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--primary-blue);
  margin-bottom: var(--space-2xl);
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-lg) var(--space-2xl);
  border-radius: var(--radius-lg);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition-base);
  border: 2px solid transparent;
  cursor: pointer;
  font-size: 1rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-blue));
  color: var(--white);
  box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.btn-secondary {
  background: var(--white);
  color: var(--primary-dark);
  border-color: var(--primary-blue);
  box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
  background: var(--gray-50);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Hero Visual */
.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-visual {
  display: flex;
  gap: var(--space-xl);
  font-size: 4rem;
  color: var(--primary-blue);
}

.hero-visual i {
  animation: float 3s ease-in-out infinite;
}

.hero-visual i:nth-child(2) {
  animation-delay: 1s;
}

.hero-visual i:nth-child(3) {
  animation-delay: 2s;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

/* Section Styles */
section {
  padding: var(--space-4xl) 0;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: var(--space-2xl);
  text-align: center;
  line-height: 1.2;
}

/* Services Section */
.what-we-do {
  background: var(--white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-2xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
  border: 1px solid var(--gray-200);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.service-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-blue));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.5rem;
  margin-bottom: var(--space-lg);
}

.service-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: var(--space-md);
}

.service-card p {
  color: var(--primary-blue);
  line-height: 1.6;
}

/* Presence Section */
.our-presence {
  background: var(--gray-50);
}

.presence-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
}

.presence-section h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: var(--space-lg);
}

.locations {
  display: grid;
  gap: var(--space-md);
}

.location-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--white);
  border-radius: var(--radius-lg);
  transition: var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.location-item:hover {
  background: var(--gray-100);
  transform: translateX(4px);
}

.location-item i {
  color: var(--primary-blue);
  font-size: 1.25rem;
}

.location-item span {
  font-weight: 500;
  color: var(--primary-dark);
}

/* Who We Help Section */
.who-we-help {
  background: var(--white);
}

.help-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
}

.help-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
  border: 1px solid var(--gray-200);
}

.help-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.help-card i {
  font-size: 3rem;
  color: var(--primary-blue);
  margin-bottom: var(--space-lg);
}

.help-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: var(--space-md);
}

.help-card p {
  color: var(--primary-blue);
  line-height: 1.6;
}

/* Certification Section */
.certification {
  background: var(--gray-50);
}

.certification-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.certification-info h3 {
  font-size: 2rem;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: var(--space-lg);
}

.certification-info p {
  font-size: 1.125rem;
  color: var(--primary-blue);
  line-height: 1.7;
  margin-bottom: var(--space-2xl);
}

.benefits {
  display: grid;
  gap: var(--space-lg);
}

.benefit-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.benefit-item i {
  color: var(--accent-gold);
  font-size: 1.25rem;
}

.benefit-item span {
  font-weight: 500;
  color: var(--primary-dark);
}

.certification-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.cert-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  text-align: center;
  box-shadow: var(--shadow-xl);
  border: 2px solid var(--primary-blue);
}

.cert-card i {
  font-size: 4rem;
  color: var(--accent-gold);
  margin-bottom: var(--space-lg);
}

.cert-card h4 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: var(--space-sm);
}

.cert-card p {
  color: var(--primary-blue);
  font-weight: 500;
}

/* Contact Section */
.contact {
  background: var(--white);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
}

.contact-info h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: var(--space-lg);
}

.contact-info p {
  color: var(--primary-blue);
  margin-bottom: var(--space-2xl);
  line-height: 1.6;
}

.contact-details {
  display: grid;
  gap: var(--space-xl);
}

.contact-item {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-lg);
  background: var(--gray-50);
  border-radius: var(--radius-lg);
}

.contact-item i {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-blue));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-item div h4 {
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: var(--space-xs);
}

.contact-item div p {
  color: var(--primary-blue);
  margin: 0;
}

.contact-form-container {
  background: var(--gray-50);
  border-radius: var(--radius-2xl);
  padding: var(--space-2xl);
}

.contact-form {
  display: grid;
  gap: var(--space-lg);
}

.form-group {
  display: grid;
  gap: var(--space-sm);
}

.form-group label {
  font-weight: 500;
  color: var(--primary-dark);
  font-size: 0.875rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: var(--space-md);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-lg);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition-base);
  background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(44, 90, 160, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* Footer */
.footer {
  background: var(--primary-dark);
  color: var(--white);
  padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-4xl);
  margin-bottom: var(--space-3xl);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  font-size: 1.25rem;
  font-weight: 600;
}

.footer-logo i {
  font-size: 1.5rem;
  color: var(--accent-gold);
}

.mission {
  font-style: italic;
  line-height: 1.7;
  color: var(--gray-300);
}

.footer-section h4 {
  font-weight: 600;
  color: var(--white);
  margin-bottom: var(--space-lg);
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: var(--space-sm);
}

.footer-section a {
  color: var(--gray-300);
  text-decoration: none;
  transition: var(--transition-base);
  font-size: 0.875rem;
}

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

.footer-section p {
  color: var(--gray-300);
  font-size: 0.875rem;
  margin-bottom: var(--space-xs);
}

.footer-bottom {
  border-top: 1px solid var(--gray-700);
  padding-top: var(--space-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-lg);
}

.disclaimer {
  color: var(--gray-400);
  font-size: 0.875rem;
}

.copyright {
  color: var(--gray-400);
  font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    text-align: center;
  }
  
  .presence-content {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
  
  .certification-content {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    text-align: center;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
  
  .footer-content {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-md);
  }
  
  .nav-container {
    padding: 0 var(--space-md);
  }
  
  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding: var(--space-2xl);
    transition: var(--transition-base);
    z-index: 999;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-menu li {
    margin: var(--space-lg) 0;
  }
  
  .nav-link {
    font-size: 1.125rem;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .nav-toggle.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .nav-toggle.active .bar:nth-child(2) {
    opacity: 0;
  }
  
  .nav-toggle.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
  
  .hero {
    padding-top: 100px;
  }
  
  .hero-container {
    padding: var(--space-2xl) var(--space-md);
  }
  
  .hero-visual {
    font-size: 3rem;
    gap: var(--space-lg);
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .help-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  section {
    padding: var(--space-2xl) 0;
  }
  
  .service-card,
  .help-card {
    padding: var(--space-lg);
  }
  
  .contact-form-container {
    padding: var(--space-lg);
  }
  
  .hero-visual {
    font-size: 2.5rem;
  }
}

/* Success Message */
.success-message {
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  margin-top: var(--space-lg);
  text-align: center;
  display: none;
  box-shadow: var(--shadow-lg);
}

.success-message.show {
  display: block;
  animation: slideIn 0.3s ease-out;
}

.success-message i {
  margin-right: var(--space-sm);
  font-size: 1.25rem;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-blue));
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.25rem;
  transition: var(--transition-base);
  opacity: 0;
  visibility: hidden;
  z-index: 1000;
  box-shadow: var(--shadow-lg);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

/* Focus Styles for Accessibility */
*:focus {
  outline: 2px solid var(--primary-blue);
  outline-offset: 2px;
}

/* Print Styles */
@media print {
  .header,
  .nav-toggle,
  .back-to-top {
    display: none !important;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.4;
  }
  
  .hero {
    min-height: auto;
    padding: 2rem 0;
  }
  
  section {
    padding: 1rem 0;
    break-inside: avoid;
  }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  :root {
    --primary-dark: #000000;
    --primary-blue: #000080;
  }
  
  .btn,
  .service-card,
  .help-card {
    border: 2px solid var(--primary-dark);
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}