:root {
  /* Modern color palette */
  --background-dark: #0f172a;
  --background-light: #f8fafc;
  --text-dark: #e2e8f0;
  --text-light: #1e293b;
  --primary-color: #3b82f6;
  --primary-dark: #2563eb;
  --primary-light: #60a5fa;
  --secondary-color: #0ea5e9;
  --accent-color: #8b5cf6;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --danger-color: #ef4444;
  --info-color: #06b6d4;
  --card-bg-dark: #1e293b;
  --card-bg-light: #ffffff;
  --border-dark: #334155;
  --border-light: #e2e8f0;
  --footer-bg-dark: #0f172a;
  --footer-bg-light: #f1f5f9;
  --shadow-dark: 0 10px 25px rgba(0, 0, 0, 0.3);
  --shadow-light: 0 10px 25px rgba(0, 0, 0, 0.1);
  --gradient-dark: linear-gradient(145deg, #1e293b, #0f172a);
  --gradient-light: linear-gradient(145deg, #ffffff, #f1f5f9);
  --transition-fast: 0.3s ease;
  --transition-medium: 0.5s ease;
  --transition-slow: 0.8s ease;
  --border-radius-sm: 0.375rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 0.75rem;
  --border-radius-xl: 1rem;
  --font-family: "Montserrat", sans-serif;
  --z-index-preloader: 9999;
  --z-index-modal: 2000;
  --z-index-header: 1000;
  --z-index-dropdown: 100;
  --z-index-tooltip: 50;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -ms-overflow-style: none; /* IE and Edge */
  scrollbar-width: none; /* Firefox */
}

/* Hide scrollbars */
*::-webkit-scrollbar {
  display: none;
}

html {
  scroll-behavior: smooth;
  height: 100%;
  font-size: 16px;
  scroll-padding-top: 80px; /* Accounts for fixed header */
  overflow-x: hidden; /* Prevent horizontal scrolling */
  width: 100%; /* Ensure full width */
  position: relative; /* For positioning context */
  max-width: 100vw; /* Limit maximum width */
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--background-dark);
  background-image: radial-gradient(
      rgba(59, 130, 246, 0.03) 1px,
      transparent 1px
    ),
    radial-gradient(rgba(59, 130, 246, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  background-position: 0 0, 25px 25px;
  color: var(--text-dark);
  font-family: var(--font-family);
  transition: background var(--transition-medium),
    color var(--transition-medium);
  margin: 0;
  overflow-x: hidden; /* Prevent horizontal scrolling */
  line-height: 1.6;
  width: 100%; /* Ensure full width */
  position: relative; /* For positioning context */
  max-width: 100vw; /* Limit maximum width */
}

html.light body {
  background: var(--background-light);
  color: var(--text-light);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
  flex: 1;
  overflow: hidden; /* Prevent scrolling */
}

/* Header Styles */
.header {
  background-color: var(--background-dark);
  position: sticky;
  top: 0;
  z-index: var(--z-index-header);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  transition: background-color var(--transition-medium);
}

html.light .header {
  background-color: var(--background-light);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
  transition: color var(--transition-medium);
}

.logo i {
  font-size: 1.8rem;
  animation: pulse 2s infinite;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav-link {
  color: var(--text-dark);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-medium);
  position: relative;
}

html.light .nav-link {
  color: var(--text-light);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: width var(--transition-medium);
}

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

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

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

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

.nav-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-medium);
  text-decoration: none;
  font-size: 0.9rem;
}

.nav-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(59, 130, 246, 0.3);
}

.theme-switch {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  margin-left: 1.25rem;
}

.theme-switch i {
  color: var(--text-dark);
  font-size: 1rem;
}

html.light .theme-switch i {
  color: var(--text-light);
}

.switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--card-bg-dark);
  transition: var(--transition-medium);
  border: 1px solid var(--border-dark);
}

html.light .slider {
  background-color: var(--card-bg-light);
  border: 1px solid var(--border-light);
}

.slider.round {
  border-radius: 34px;
}

.slider.round:before {
  border-radius: 50%;
}

.slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 4px;
  bottom: 3px;
  background-color: var(--primary-color);
  transition: var(--transition-medium);
}

input:checked + .slider:before {
  transform: translateX(26px);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-dark);
  font-size: 1.5rem;
  cursor: pointer;
  transition: color var(--transition-medium);
}

html.light .mobile-menu-btn {
  color: var(--text-light);
}

.mobile-menu-btn:hover {
  color: var(--primary-color);
}

/* Main Content */
.main-content {
  width: 100%;
  overflow: hidden; /* Prevent scrolling */
  position: relative;
  max-width: 100vw; /* Limit maximum width */
  padding-top: 2rem;
}

/* FAQ Specific Styles */
.faq-container {
  max-width: 1000px;
  margin: 2rem auto;
  padding: 2rem;
  background: var(--gradient-dark);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-dark);
  border: 1px solid var(--border-dark);
  position: relative;
  overflow: hidden;
  animation: fadeIn 0.8s ease-in-out;
}

html.light .faq-container {
  background: var(--gradient-light);
  box-shadow: var(--shadow-light);
  border: 1px solid var(--border-light);
}

.faq-container::before {
  content: "";
  position: absolute;
  top: -50px;
  left: -50px;
  width: 200px;
  height: 200px;
  background: radial-gradient(
    circle,
    rgba(59, 130, 246, 0.1) 0%,
    rgba(59, 130, 246, 0) 70%
  );
  border-radius: 50%;
  z-index: -1;
}

.faq-container::after {
  content: "";
  position: absolute;
  bottom: -50px;
  right: -50px;
  width: 200px;
  height: 200px;
  background: radial-gradient(
    circle,
    rgba(59, 130, 246, 0.1) 0%,
    rgba(59, 130, 246, 0) 70%
  );
  border-radius: 50%;
  z-index: -1;
}

.faq-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 2rem;
  text-align: center;
  position: relative;
  animation: slideDown 0.6s ease-in-out;
}

.faq-title::after {
  content: "";
  position: absolute;
  bottom: -0.625rem;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 3px;
  background: var(--primary-color);
  animation: scaleIn 0.8s ease-in-out 0.3s forwards;
  transform-origin: center;
  opacity: 0;
}

@keyframes scaleIn {
  from {
    transform: translateX(-50%) scaleX(0);
    opacity: 0;
  }
  to {
    transform: translateX(-50%) scaleX(1);
    opacity: 1;
  }
}

.faq-section {
  margin-bottom: 2.5rem;
  animation: fadeIn 0.8s ease-in-out;
}

.faq-section-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  position: relative;
  padding-left: 1.5rem;
  animation: slideRight 0.6s ease-in-out;
}

.faq-section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 0.5rem;
  height: 0.5rem;
  background-color: var(--primary-color);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--primary-color);
}

.faq-item {
  margin-bottom: 1.5rem;
  border: 1px solid var(--border-dark);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  transition: all var(--transition-medium);
  animation: fadeIn 0.8s ease-in-out;
  transform: translateY(0);
}

html.light .faq-item {
  border: 1px solid var(--border-light);
}

.faq-item:hover {
  box-shadow: 0 5px 15px rgba(59, 130, 246, 0.2);
  transform: translateY(-5px);
}

.faq-question {
  display: flex;
  align-items: center;
  padding: 1rem 1.5rem;
  cursor: pointer;
  background: rgba(59, 130, 246, 0.05);
  position: relative;
  transition: background var(--transition-medium);
}

.faq-question:hover {
  background: rgba(59, 130, 246, 0.1);
}

.faq-question i.fa-question-circle {
  color: var(--primary-color);
  font-size: 1.2rem;
  margin-right: 1rem;
  transition: transform var(--transition-medium);
}

.faq-item:hover .faq-question i.fa-question-circle {
  transform: rotate(15deg);
}

.faq-question h3 {
  flex: 1;
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0;
}

.toggle-icon {
  color: var(--primary-color);
  transition: transform var(--transition-medium);
}

.faq-item.active .toggle-icon {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: all var(--transition-medium);
  background: rgba(59, 130, 246, 0.02);
}

.faq-item.active .faq-answer {
  padding: 1.5rem;
  max-height: 1000px;
}

.faq-answer p {
  margin-bottom: 1rem;
  line-height: 1.8;
}

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

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

.faq-answer li {
  margin-bottom: 0.5rem;
}

.faq-toc {
  background: rgba(59, 130, 246, 0.05);
  padding: 1.5rem;
  border-radius: var(--border-radius-md);
  margin-bottom: 2rem;
  animation: fadeIn 0.8s ease-in-out;
  border: 1px solid rgba(59, 130, 246, 0.1);
}

.faq-toc-title {
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 1rem;
  text-align: center;
}

.faq-toc-list {
  list-style-type: none;
  padding-left: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
}

.faq-toc-list li {
  margin-bottom: 0.5rem;
  flex-basis: calc(50% - 1.5rem);
}

@media (max-width: 768px) {
  .faq-toc-list li {
    flex-basis: 100%;
  }
}

.faq-toc-list a {
  color: var(--text-dark);
  text-decoration: none;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

html.light .faq-toc-list a {
  color: var(--text-light);
}

.faq-toc-list a:hover {
  color: var(--primary-color);
  transform: translateX(5px);
}

.faq-toc-list a i {
  color: var(--primary-color);
  font-size: 0.8rem;
}

.faq-date {
  text-align: right;
  font-style: italic;
  margin-top: 2rem;
  color: var(--text-dark);
  opacity: 0.8;
}

html.light .faq-date {
  color: var(--text-light);
}

.faq-contact {
  background: rgba(59, 130, 246, 0.1);
  padding: 1.5rem;
  border-radius: var(--border-radius-md);
  margin-top: 2rem;
  animation: fadeIn 0.8s ease-in-out;
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.faq-contact-title {
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.faq-contact-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  transition: transform var(--transition-medium);
}

.faq-contact-info:hover {
  transform: translateX(5px);
}

.faq-contact-info i {
  color: var(--primary-color);
}

.back-to-top-faq {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: 0 5px 15px rgba(59, 130, 246, 0.4);
  border: none;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s ease;
}

.back-to-top-faq.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top-faq:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(59, 130, 246, 0.5);
}

/* Print Button */
.print-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  margin: 2rem auto 0;
  box-shadow: 0 4px 6px rgba(59, 130, 246, 0.2);
}

.print-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 12px rgba(59, 130, 246, 0.3);
}

.print-button:active {
  transform: translateY(1px);
}

/* Footer Styles */
.footer {
  background-color: var(--footer-bg-dark);
  color: var(--text-dark);
  padding: 3.75rem 0 1.875rem;
  margin-top: 3.75rem;
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(
    90deg,
    var(--primary-color),
    var(--secondary-color),
    var(--primary-color)
  );
  background-size: 200% 100%;
  animation: gradientMove 5s linear infinite;
}

html.light .footer {
  background-color: var(--footer-bg-light);
  color: var(--text-light);
}

.footer-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2.5rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 1.25rem;
}

.footer-logo i {
  font-size: 1.8rem;
  animation: pulse 2s infinite;
}

.footer-description {
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

.footer-social {
  display: flex;
  gap: 0.9375rem;
}

.social-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: all var(--transition-medium);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.social-icon::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    var(--secondary-color),
    var(--primary-color)
  );
  opacity: 0;
  transition: opacity var(--transition-medium);
  z-index: -1;
}

.social-icon:hover::before {
  opacity: 1;
}

.social-icon:hover {
  transform: translateY(-5px) rotate(360deg);
  box-shadow: 0 5px 15px rgba(59, 130, 246, 0.4);
}

.footer-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--primary-color);
  position: relative;
  display: inline-block;
}

.footer-title::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--primary-color);
  transition: width var(--transition-medium);
}

.footer-section:hover .footer-title::after {
  width: 100%;
}

.footer-links {
  list-style: none;
}

.footer-link {
  margin-bottom: 0.625rem;
  transform: translateX(0);
  transition: transform var(--transition-medium);
}

.footer-link a {
  color: var(--text-dark);
  text-decoration: none;
  transition: all var(--transition-medium);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-link a i {
  transition: transform var(--transition-medium);
}

html.light .footer-link a {
  color: var(--text-light);
}

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

.footer-link a:hover i {
  transform: translateX(5px);
}

.footer-link:hover {
  transform: translateX(5px);
}

.footer-contact {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  margin-bottom: 0.9375rem;
  transition: transform var(--transition-medium);
}

.footer-contact:hover {
  transform: translateX(5px);
}

.contact-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: transform var(--transition-medium);
}

.footer-contact:hover .contact-icon {
  transform: rotate(15deg);
}

.contact-info {
  flex: 1;
}

.contact-label {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-medium);
}

.footer-contact:hover .contact-label {
  color: var(--primary-color);
}

html.light .contact-label {
  color: rgba(33, 37, 41, 0.7);
}

.contact-value {
  font-weight: 600;
}

.contact-value a {
  color: var(--text-dark);
  text-decoration: none;
  transition: color var(--transition-medium);
}

html.light .contact-value a {
  color: var(--text-light);
}

.contact-value a:hover {
  color: var(--primary-color);
}

.footer-bottom {
  text-align: center;
  padding-top: 1.875rem;
  margin-top: 1.875rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

html.light .footer-bottom {
  border-top: 1px solid rgba(33, 37, 41, 0.1);
}

.copyright {
  font-size: 0.9rem;
  position: relative;
  display: inline-block;
}

.copyright::after {
  content: "";
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--primary-color);
  transition: width var(--transition-medium);
}

.copyright:hover::after {
  width: 100%;
}

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

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideRight {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

@keyframes gradientMove {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

/* Responsive Styles */
@media (max-width: 992px) {
  .faq-title {
    font-size: 2.2rem;
  }
}

@media (max-width: 768px) {
  html,
  body {
    overflow-x: hidden;
    width: 100%;
    position: relative;
    max-width: 100vw;
  }

  .header-container {
    padding: 0.9375rem 1.25rem;
    width: 100%;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    height: 100vh;
    background: var(--background-dark);
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding: 5rem 2.5rem;
    transition: all 0.4s ease;
    z-index: 1001;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.3);
  }

  html.light .nav-menu {
    background: var(--background-light);
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
  }

  .nav-menu.active {
    right: 0;
  }

  .nav-link {
    margin: 0.9375rem 0;
    font-size: 1.2rem;
  }

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

  .theme-switch {
    margin: 1.25rem 0;
  }

  .faq-container {
    padding: 1.5rem;
    margin: 1rem;
  }

  .faq-title {
    font-size: 2rem;
  }

  .faq-section-title {
    font-size: 1.3rem;
  }
}

@media (max-width: 480px) {
  .faq-container {
    padding: 1rem;
    margin: 0.5rem;
  }

  .faq-title {
    font-size: 1.8rem;
  }

  .faq-section-title {
    font-size: 1.2rem;
  }

  .logo {
    font-size: 1.2rem;
  }

  .logo i {
    font-size: 1.5rem;
  }
}

/* Print Styles */
@media print {
  .header,
  .footer,
  .back-to-top-faq,
  .print-button {
    display: none;
  }

  .faq-container {
    box-shadow: none;
    border: none;
    padding: 0;
    margin: 0;
    background: none;
  }

  body {
    background: white;
    color: black;
  }

  .faq-title,
  .faq-section-title {
    color: #000;
  }

  .faq-question {
    background: none;
    border-bottom: 1px solid #ccc;
  }

  .faq-answer {
    max-height: none !important;
    padding: 1rem !important;
    display: block !important;
  }

  .faq-toc {
    border: 1px solid #ccc;
    background: none;
  }
}