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

:root {
  --primary-color: #0077cc;
  --secondary-color: #f0f5ff;
  --dark-color: #0f0f0f;
  --text-color: #333;
  --light-text: #fff;
  --gray-text: #6c757d;
  --border-color: #e9ecef;
  --input-bg: #f8f9fa;
  --success-color: #28a745;
  --shadow: 0 8px 16px rgba(0, 119, 204, 0.15);
  --transition: all 0.3s ease;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: #f8f9fa;
}

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

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

ul {
  list-style: none;
}

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

/* Header Styles - Enhanced */
header {
  position: fixed;
  top: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  transition: var(--transition);
}

header.scrolled {
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: 0 2px 30px rgba(0, 0, 0, 0.15);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  flex-shrink: 0;
}

.logo-img {
  height: 48px;
  width: auto;
  transition: var(--transition);
}

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

.navbar .nav-links {
  display: flex;
  gap: 2.5rem;
  margin: 0;
  padding: 0;
}

.navbar .nav-links li {
  position: relative;
}

.navbar .nav-links a {
  color: var(--dark-color);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.5px;
  transition: var(--transition);
  padding: 0.5rem 0;
  position: relative;
}

.navbar .nav-links a::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: width 0.3s ease;
}

.navbar .nav-links a:hover {
  color: var(--primary-color);
}

.navbar .nav-links a:hover::after {
  width: 100%;
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
  padding: 8px;
  border-radius: 4px;
  transition: var(--transition);
}

.mobile-menu-btn:hover {
  background-color: rgba(0, 119, 204, 0.1);
}

.mobile-menu-btn span {
  width: 25px;
  height: 3px;
  background-color: var(--dark-color);
  transition: var(--transition);
  border-radius: 2px;
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

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

.mobile-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Navigation */
.mobile-nav {
  display: none;
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  border-top: 1px solid var(--border-color);
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.mobile-nav.show {
  display: block;
}

.mobile-nav ul {
  padding: 1.5rem 2rem;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.mobile-nav a {
  color: var(--dark-color);
  font-weight: 600;
  font-size: 16px;
  padding: 0.75rem 0;
  border-bottom: 1px solid transparent;
  transition: var(--transition);
  display: block;
}

.mobile-nav a:hover {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}

/* Hero Section - FAQ Specific */
.hero-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, #005aa3 100%);
  color: var(--light-text);
  padding: 8rem 0 4rem;
  position: relative;
  overflow: hidden;
  margin-top: 80px;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: rgba(255, 255, 255, 0.1);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-content h1 {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--light-text);
  margin-bottom: 1.5rem;
  line-height: 1.1;
}

.hero-content p {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 3rem;
  line-height: 1.6;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-top: 3rem;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--light-text);
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
}

/* Search Section */
.search-section {
  padding: 2rem 0;
  background-color: #fff;
  border-bottom: 1px solid var(--border-color);
}

.search-box {
  position: relative;
  max-width: 600px;
  margin: 0 auto;
}

.search-box i {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-text);
  font-size: 1.125rem;
}

.search-box input {
  width: 100%;
  padding: 1rem 1rem 1rem 3rem;
  border: 2px solid var(--border-color);
  border-radius: 50px;
  font-size: 1rem;
  background-color: #fff;
  transition: var(--transition);
}

.search-box input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 119, 204, 0.1);
}

.search-box input::placeholder {
  color: var(--gray-text);
}

/* Main Content */
.main-content {
  padding: 3rem 0;
  background-color: #f8f9fa;
}

/* FAQ Categories */
.faq-categories {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.category {
  background-color: #fff;
  border-radius: 20px;
  padding: 2rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
}

.category-header {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 2px solid #f0f5ff;
}

.category-icon {
  width: 3rem;
  height: 3rem;
  background: linear-gradient(135deg, var(--primary-color), #005aa3);
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--light-text);
  font-size: 1.25rem;
  flex-shrink: 0;
}

.category-title h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-color);
  margin-bottom: 0.25rem;
}

.category-title p {
  color: var(--gray-text);
  font-size: 0.875rem;
  margin: 0;
}

/* FAQ Items */
.faq-item {
  background-color: #fff;
  border: 1px solid var(--border-color);
  border-radius: 15px;
  margin-bottom: 1rem;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: var(--primary-color);
  box-shadow: 0 4px 12px rgba(0, 119, 204, 0.1);
}

.faq-item:last-child {
  margin-bottom: 0;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  cursor: pointer;
  transition: var(--transition);
  background-color: #fff;
}

.faq-question:hover {
  background-color: #f8f9fa;
}

.faq-question h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-color);
  margin: 0;
  flex: 1;
  padding-right: 1rem;
}

.faq-question i {
  color: var(--primary-color);
  font-size: 1rem;
  transition: var(--transition);
  flex-shrink: 0;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  background-color: #f8f9fa;
}

.faq-item.active .faq-answer {
  max-height: 1000px;
}

.faq-answer > div {
  padding: 1.5rem;
}

.faq-answer p {
  color: var(--gray-text);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.faq-answer p:last-child {
  margin-bottom: 0;
}

.faq-answer ul, .faq-answer ol {
  margin: 1rem 0;
  padding-left: 1.5rem;
}

.faq-answer ul {
  list-style: disc;
}

.faq-answer ol {
  list-style: decimal;
}

.faq-answer li {
  color: var(--gray-text);
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.faq-answer li strong {
  color: var(--text-color);
  font-weight: 600;
}

/* Tech Grid */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.tech-category {
  background-color: #fff;
  padding: 1rem;
  border-radius: 10px;
  border: 1px solid var(--border-color);
}

.tech-category h4 {
  color: var(--primary-color);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.tech-category p {
  color: var(--gray-text);
  font-size: 0.875rem;
  margin: 0;
  line-height: 1.5;
}

/* Contact Methods */
.contact-methods {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 1rem;
  background-color: #fff;
  padding: 1rem;
  border-radius: 10px;
  border: 1px solid var(--border-color);
}

.contact-method i {
  width: 2.5rem;
  height: 2.5rem;
  background-color: var(--primary-color);
  color: var(--light-text);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.contact-method strong {
  display: block;
  color: var(--text-color);
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.contact-method p {
  color: var(--gray-text);
  margin: 0;
  font-size: 0.875rem;
}

/* Contact CTA */
.contact-cta {
  background: linear-gradient(135deg, var(--primary-color) 0%, #005aa3 100%);
  border-radius: 20px;
  padding: 3rem;
  text-align: center;
  margin-top: 3rem;
  position: relative;
  overflow: hidden;
}

.contact-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-content {
  position: relative;
  z-index: 1;
  max-width: 600px;
  margin: 0 auto;
}

.cta-icon {
  width: 4rem;
  height: 4rem;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: var(--light-text);
  font-size: 1.5rem;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.contact-cta h2 {
  color: var(--light-text);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.contact-cta p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.125rem;
  margin-bottom: 2rem;
  line-height: 1.6;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 1.5rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.875rem;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background-color: #fff;
  color: var(--primary-color);
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 255, 255, 0.4);
}

.btn-secondary {
  background-color: var(--success-color);
  color: var(--light-text);
  box-shadow: 0 4px 15px rgba(40, 167, 69, 0.3);
}

.btn-secondary:hover {
  background-color: #218838;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(40, 167, 69, 0.4);
}

.btn-outline {
  background-color: transparent;
  color: var(--light-text);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
}

.cta-guarantee {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.875rem;
  font-weight: 500;
}

.cta-guarantee i {
  color: var(--success-color);
}

/* Footer - Enhanced */
footer {
  background-color: var(--dark-color);
  color: var(--light-text);
  padding: 80px 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 50px;
}

.footer-column h3 {
  font-size: 16px;
  letter-spacing: 2px;
  margin-bottom: 20px;
  color: var(--primary-color);
}

.footer-column ul li {
  margin-bottom: 12px;
}

.footer-column ul li a {
  color: rgba(255, 255, 255, 0.8);
  transition: color 0.3s ease;
  font-size: 14px;
}

.footer-column ul li a:hover {
  color: var(--primary-color);
}

.social-icons {
  display: flex;
  gap: 15px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.social-icons a {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  font-size: 18px;
}

.social-icons a:hover {
  background-color: var(--primary-color);
  transform: translateY(-5px);
}

.footer-column p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 10px;
  font-size: 14px;
}

.footer-column p i {
  margin-right: 10px;
  color: var(--primary-color);
  width: 16px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
}

/* Enhanced Responsive Design */
@media (max-width: 1024px) {
  .container {
    padding: 0 30px;
  }

  .header-container {
    padding: 1rem 30px;
  }

  .hero-stats {
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .navbar {
    display: none;
  }

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

  .hero-section {
    padding: 6rem 0 3rem;
  }

  .hero-content h1 {
    font-size: 2.5rem;
  }

  .hero-content p {
    font-size: 1.125rem;
  }

  .hero-stats {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .cta-buttons .btn {
    width: 100%;
    max-width: 300px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .social-icons {
    justify-content: center;
  }

  .contact-methods {
    grid-template-columns: 1fr;
  }

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

  .category {
    padding: 1.5rem;
  }

  .category-header {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }
}

@media (max-width: 576px) {
  .container {
    padding: 0 20px;
  }

  .header-container {
    padding: 1rem 20px;
  }

  .hero-section {
    padding: 5rem 0 2.5rem;
  }

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

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

  .category {
    padding: 1rem;
  }

  .faq-question {
    padding: 1rem;
  }

  .faq-answer > div {
    padding: 1rem;
  }

  .contact-cta {
    padding: 2rem 1.5rem;
  }

  .contact-cta h2 {
    font-size: 1.5rem;
  }

  .search-box input {
    padding: 0.875rem 0.875rem 0.875rem 2.5rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 30px;
  }

  .social-icons {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero-content h1 {
    font-size: 1.75rem;
  }

  .contact-cta h2 {
    font-size: 1.25rem;
  }

  .category-title h2 {
    font-size: 1.25rem;
  }
}

/* Accessibility Improvements */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus states for better accessibility */
.btn:focus,
.faq-question:focus,
.search-box input:focus,
.navbar .nav-links a:focus,
.mobile-nav a:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
  }
}

/* Print Styles */
@media print {
  header, footer, .search-section, .contact-cta {
    display: none;
  }
  
  .main-content {
    padding: 0;
  }
  
  .hero-section {
    background: none;
    color: var(--text-color);
    padding: 2rem 0;
  }
  
  .category {
    box-shadow: none;
    border: 1px solid var(--border-color);
    page-break-inside: avoid;
  }
  
  .faq-item {
    box-shadow: none;
    border: 1px solid var(--border-color);
    page-break-inside: avoid;
  }
  
  .faq-answer {
    max-height: none !important;
  }
}