:root {
  --primary-color: #888800;
  --primary-dark: #555500;
  --secondary-color: #64748b;
  --accent-color: #f59e0b;
  --success-color: #10b981;
  --danger-color: #ef4444;
  --background-color: #ffffff;
  --surface-color: #eef0f3;
  --text-primary: #333300;
  --text-secondary: #4a4a2e;
  --border-color: #e2e8f0;
  --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);
  --gradient-primary: linear-gradient(
    135deg,
    var(--primary-dark) 20%,
    var(--primary-color) 80%
  );
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--background-color);
}

a {
  color: var(--primary-color);
}

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

.image-container {
  display: flex;
}

.image-container img {
  display: flex;
  width: 100%;
  height: 100%;
}

/* Layout utilities */
.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.mb-1 {
  margin-bottom: 1rem;
}

.mb-2 {
  margin-bottom: 2rem;
}

.mb-3 {
  margin-bottom: 3rem;
}

.mt-1 {
  margin-top: 1rem;
}

.mt-2 {
  margin-top: 2rem;
}

.mt-3 {
  margin-top: 3rem;
}

.ml-1 {
  margin-left: 1rem;
}

.flex {
  display: flex;
}

.flex-column {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

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

.justify-between {
  justify-content: space-between;
}

.align-center {
  align-items: center;
}

.gap-1 {
  gap: 1rem;
}

.gap-2 {
  gap: 2rem;
}

.gap-3 {
  gap: 3rem;
}

.grid {
  display: grid;
}

.grid-auto-fit {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-auto-fit-250 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-auto-fit-350 {
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}

.grid-auto-fit-400 {
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}

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

.w-full {
  width: 100%;
}

.max-w-600 {
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.max-w-800 {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Typography */
.page-header {
  font-size: 1.75rem;
  line-height: 1.3;
}

.text-large {
  font-size: 1.2rem;
  line-height: 1.5;
}

.text-xl {
  font-size: 1.1rem;
  line-height: 1.7;
}

.font-bold {
  font-weight: bold;
}

.font-semibold {
  font-weight: 600;
}

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

.text-white {
  color: white;
}

.opacity-90 {
  opacity: 0.9;
}

/* Header */
header {
  padding: 0.5rem 1rem;
  background: var(--background-color);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 0.5rem;
  align-items: center;
}

.nav-links li {
  display: flex;
  justify-content: center;
  width: 100%;
  text-align: center;
  line-height: normal;
}

.nav-links .nav-link {
  display: flex;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 500;
  transition: color 0.3s ease;
  padding: 0.5rem 0.25rem;
  /* width: 100%; */
  width: max-content;
  line-height: normal;
  justify-content: center;
  border-radius: 4px;
}

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

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

/* Hero Section */
.hero {
  background: var(--gradient-primary);
  color: white;
  padding: 5rem 0;
  text-align: center;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.5;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  text-decoration: none;
  font-weight: 600;
  text-align: center;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  cursor: pointer;
  font-size: 1rem;
  line-height: 1.2;
  width: max-content;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

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

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

.btn-white:hover {
  background: var(--surface-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Page sections */
section {
  padding: 4rem 0;
}

.section-alt {
  background: var(--surface-color);
}

.section-header {
  padding: 2rem 0;
  background: var(--surface-color);
}

h2 {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 3rem;
  color: var(--text-primary);
  line-height: 1.3;
}

h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
  line-height: 1.4;
}

h4 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
  line-height: 1.4;
}

/* Cards */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature-card {
  background: white;
  padding: 2rem;
  border-radius: 0.75rem;
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.card {
  background: white;
  border-radius: 0.75rem;
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.card-body {
  padding: 2rem;
}

/* About page styles */
.about-mission-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 3rem;
  align-items: center;
}

.about-stats-card {
  background: var(--gradient-primary);
  color: white;
  padding: 3rem;
  border-radius: 1rem;
  text-align: center;
}

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

.stat-number {
  font-size: 2.5rem;
  font-weight: bold;
  margin-bottom: 0.5rem;
}

.stat-label {
  opacity: 0.9;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
  margin-top: 3rem;
}

.contact-item {
  display: flex;
  align-items: center;
  margin-bottom: 1.5rem;
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 1rem;
  color: white;
  font-size: 1.2rem;
}

.contact-info {
  flex: 1;
}

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

.contact-value {
  color: var(--text-secondary);
  font-size: 1.25rem;
}

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

/* Pricing cards */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.pricing-card {
  background: white;
  border: 2px solid var(--border-color);
  border-radius: 1rem;
  padding: 1.5rem;
  text-align: center;
  position: relative;
  transition: all 0.3s ease;
}

.pricing-card.featured {
  border-color: var(--primary-color);
}

.pricing-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
}

.pricing-badge {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-color);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 1rem;
  font-size: 0.9rem;
  font-weight: 600;
}

.price {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
  margin: 1rem 0;
  line-height: 1.1;
}

.price-period {
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: normal;
}

.pricing-features {
  list-style: none;
  padding: 0;
  margin: 2rem 0;
}

.pricing-feature {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-color);
  line-height: 1.5;
}

.pricing-feature:last-child {
  border-bottom: none;
}

/* How to buy process steps */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.process-step {
  text-align: center;
}

.step-number {
  width: 64px;
  height: 64px;
  background: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  color: white;
  font-size: 2rem;
  font-weight: bold;
}

/* Documentation */
.text-section {
  background: white;
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  padding: 2rem;
  margin-bottom: 2rem;
}

.pdf-viewer {
  width: 100%;
  height: 70vh;
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  margin: 2rem 0;
}

.pdf-notice {
  text-align: center;
  margin-top: 1rem;
}

.pdf-notice small {
  color: var(--text-secondary);
}

/* Privacy policy */
.privacy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.privacy-card {
  padding: 1.5rem;
  background: var(--surface-color);
  border-radius: 0.5rem;
}

.privacy-contact-card {
  background: var(--surface-color);
  padding: 2rem;
  border-radius: 0.75rem;
}

.privacy-authority-card {
  background: var(--surface-color);
  padding: 1.5rem;
  border-radius: 0.5rem;
  margin-top: 1rem;
}

/* 404 Page */
.error-404 {
  padding: 5rem 0;
  text-align: center;
}

.error-404-code {
  font-size: 8rem;
  font-weight: 900;
  color: var(--primary-color);
  line-height: 1;
  margin-bottom: 1rem;
}

.error-404-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.3;
}

.error-404-description {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  line-height: 1.5;
}

.error-404-suggestions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin: 3rem 0;
}

.suggestion-card {
  background: white;
  padding: 2rem;
  border-radius: 0.75rem;
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: transform 0.3s ease;
}

.suggestion-card:hover {
  transform: translateY(-2px);
}

.suggestion-icon {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

/* Forms */
form {
  overflow-y: auto;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 0.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-input {
  width: 100%;
  padding: 0.5rem;
  border: 2px solid var(--border-color);
  border-radius: 0.5rem;
  font-size: 1rem;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  line-height: normal;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgb(37 99 235 / 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
  max-height: 270px;
}

.form-select {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid var(--border-color);
  border-radius: 0.5rem;
  font-size: 1rem;
  background: white;
  cursor: pointer;
  line-height: 1.5;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
}

.modal.active {
  display: flex;
  justify-content: center;
  align-items: center;
}

.modal-content {
  background: white;
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: var(--shadow-lg);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: scale(0.9) translateY(-20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  font-size: 1.75rem;
  cursor: pointer;
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

.modal-close:hover {
  color: var(--text-primary);
}

/* Footer */
footer {
  background: var(--text-primary);
  color: white;
  padding: 3rem 0 1rem;
  margin-top: auto;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h4 {
  margin-bottom: 1rem;
  color: white;
}

.footer-section ul {
  list-style: none;
  padding: 0;
}

.footer-section ul li {
  line-height: normal;
  margin-bottom: 1rem;
}

.footer-section a {
  color: #cbd5e1;
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  color: #9ca3af;
}

/* Animation styles */
.feature-card,
.pricing-card,
.card,
.suggestion-card {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.feature-card.animate-in,
.pricing-card.animate-in,
.card.animate-in,
.suggestion-card.animate-in {
  opacity: 1;
  transform: translateY(0);
}

/* Table styles */
.table-responsive {
  overflow-x: auto;
  margin: 2rem 0;
  border-radius: 0.5rem;
  box-shadow: var(--shadow-sm);
}

.libraries-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  background: white;
  border-radius: 0.5rem;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.libraries-table thead {
  background: var(--primary-color);
  color: white;
}

.libraries-table th,
.libraries-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
  line-height: 1.5;
}

.libraries-table th {
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.libraries-table tbody tr:hover {
  background: var(--surface-color);
}

.libraries-table tbody tr:last-child td {
  border-bottom: none;
}

.libraries-table a {
  color: var(--primary-color);
  text-decoration: none;
}

.libraries-table a:hover {
  text-decoration: underline;
}

/* Color utility classes */
.text-success {
  color: var(--success-color) !important;
}

.text-danger {
  color: var(--danger-color) !important;
}

.text-info {
  color: var(--primary-color) !important;
}

.text-warning {
  color: var(--accent-color) !important;
}

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

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    box-shadow: var(--shadow-md);
    flex-direction: column;
    padding: 1rem;
    gap: 0.5rem;
  }

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

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

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

  .hero p {
    font-size: 1.1rem;
  }

  h2 {
    font-size: 2rem;
  }

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

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

  .pricing-card.featured {
    transform: none;
  }

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

  .modal-content {
    margin: 1rem;
    padding: 1.5rem;
  }

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

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

  .about-stats-grid > div:not(:last-child) {
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.5);
  }

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

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

  .error-404-code {
    font-size: 6rem;
  }

  .error-404-title {
    font-size: 2rem;
  }

  .error-404-suggestions {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 3rem 0;
  }

  .hero h1 {
    font-size: 1.75rem;
  }

  section {
    padding: 2rem 0;
  }

  .btn {
    display: block;
    margin: 0.5rem 0;
  }

  .error-404-code {
    font-size: 4rem;
  }

  .error-404-title {
    font-size: 1.5rem;
  }
}