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

:root {
  --primary-color: #2563eb;
  --primary-dark: #1d4ed8;
  --secondary-color: #64748b;
  --accent-color: #f59e0b;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --error-color: #ef4444;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-light: #94a3b8;
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-accent: #f1f5f9;
  --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);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --border-radius: 8px;
  --border-radius-lg: 12px;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  font-size: 16px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border: none;
  border-radius: var(--border-radius);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 1rem;
  line-height: 1.5;
}

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

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
  background-color: var(--primary-color);
  color: white;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: all 0.3s ease;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.nav-brand a {
  text-decoration: none;
}

.nav-brand h2 {
  color: var(--primary-color);
  font-size: 1.75rem;
  font-weight: 800;
  margin: 0;
}

.nav-menu {
  display: flex;
  gap: var(--spacing-xl);
}

.nav-link {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius);
  transition: all 0.2s ease;
}

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

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

.nav-toggle span {
  width: 25px;
  height: 3px;
  background-color: var(--text-primary);
  transition: all 0.3s ease;
}

/* Page Header */
.page-header {
  padding: 120px 0 var(--spacing-3xl);
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-accent) 100%);
  text-align: center;
}

.page-header h1 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.page-header p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Hero Section */
.hero {
  padding: 120px 0 var(--spacing-3xl);
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-accent) 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.1;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.hero-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
}

/* Vision & Mission */
.vision-mission {
  padding: var(--spacing-3xl) 0;
  background-color: var(--bg-primary);
}

.vision-mission-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
}

.vision-card, .mission-card {
  background-color: var(--bg-secondary);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform 0.2s ease;
}

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

.vision-card h3, .mission-card h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
}

/* Services Preview */
.services-preview {
  padding: var(--spacing-3xl) 0;
  background-color: var(--bg-secondary);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-header h2 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.section-header p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.service-card {
  background-color: var(--bg-primary);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
}

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

.service-icon {
  margin-bottom: var(--spacing-lg);
  overflow: hidden;
  border-radius: var(--border-radius);
}

.service-icon img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.service-card:hover .service-icon img {
  transform: scale(1.05);
}

.service-card h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
}

.service-link {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  margin-top: var(--spacing-md);
  display: inline-block;
  transition: color 0.2s ease;
}

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

.cta-section {
  text-align: center;
  margin-top: var(--spacing-2xl);
}

/* Services Detail Pages */
.services-overview {
  padding: var(--spacing-2xl) 0;
  background-color: var(--bg-primary);
}

.service-detail {
  padding: var(--spacing-3xl) 0;
  background-color: var(--bg-primary);
}

.service-detail.alternate {
  background-color: var(--bg-secondary);
}

.service-detail-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.service-detail.alternate .service-detail-content {
  grid-template-columns: 1fr 1fr;
}

.service-detail-text h2 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.service-intro {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.feature-item {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
}

.feature-icon {
  font-size: 2rem;
  min-width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--primary-color);
  color: white;
  border-radius: 50%;
  flex-shrink: 0;
}

.feature-content h4 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

.feature-content p {
  margin: 0;
}

.service-detail-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

/* Service Benefits */
.service-benefits {
  padding: var(--spacing-3xl) 0;
  background-color: var(--bg-secondary);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
}

.benefit-item {
  text-align: center;
  padding: var(--spacing-xl);
  background-color: var(--bg-primary);
  border-radius: var(--border-radius-lg);
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
}

.benefit-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.benefit-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
}

.benefit-item h4 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
}

/* About Page Styles */
.company-intro {
  padding: var(--spacing-3xl) 0;
  background-color: var(--bg-primary);
}

.intro-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.intro-text h2 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
}

.intro-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

.vision-mission-detailed {
  padding: var(--spacing-3xl) 0;
  background-color: var(--bg-secondary);
}

.vision-card-detailed, .mission-card-detailed {
  background-color: var(--bg-primary);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform 0.2s ease;
}

.vision-card-detailed:hover, .mission-card-detailed:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
}

.vision-card-detailed h3, .mission-card-detailed h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
}

.vision-details, .mission-details {
  margin-top: var(--spacing-lg);
}

.vision-details h4, .mission-details h4 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  font-size: 1.125rem;
}

.vision-details ul, .mission-details ul {
  list-style: none;
  padding: 0;
}

.vision-details li, .mission-details li {
  padding: var(--spacing-xs) 0;
  color: var(--text-secondary);
  position: relative;
  padding-left: var(--spacing-lg);
}

.vision-details li::before, .mission-details li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--success-color);
  font-weight: bold;
}

.qrd-advantage {
  padding: var(--spacing-3xl) 0;
  background-color: var(--bg-primary);
}

.advantage-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.advantage-item {
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-lg);
  background-color: var(--bg-secondary);
  border-radius: var(--border-radius);
  border-left: 4px solid var(--primary-color);
}

.advantage-item h4 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

.advantage-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

.our-values {
  padding: var(--spacing-3xl) 0;
  background-color: var(--bg-secondary);
}

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

.value-detailed-item {
  text-align: center;
  padding: var(--spacing-xl);
  background-color: var(--bg-primary);
  border-radius: var(--border-radius-lg);
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
}

.value-detailed-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.value-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
}

.value-detailed-item h4 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
}

.target-audience-detailed {
  padding: var(--spacing-3xl) 0;
  background-color: var(--bg-primary);
}

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

.audience-detailed-item {
  padding: var(--spacing-xl);
  background-color: var(--bg-secondary);
  border-radius: var(--border-radius-lg);
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
}

.audience-detailed-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.audience-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
}

.audience-detailed-item h4 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
}

.technology-focus {
  padding: var(--spacing-3xl) 0;
  background-color: var(--bg-secondary);
}

.tech-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.tech-text h2 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
}

.tech-features {
  margin-top: var(--spacing-xl);
}

.tech-feature {
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-lg);
  background-color: var(--bg-primary);
  border-radius: var(--border-radius);
  border-left: 4px solid var(--primary-color);
}

.tech-feature h4 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

.tech-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

/* Contact Page Styles */
.contact-intro {
  padding: var(--spacing-3xl) 0;
  background-color: var(--bg-primary);
}

.contact-intro-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.contact-intro-content h2 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
}

.contact-benefits {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.contact-benefit {
  text-align: center;
  padding: var(--spacing-lg);
  background-color: var(--bg-secondary);
  border-radius: var(--border-radius-lg);
}

.contact-methods {
  padding: var(--spacing-3xl) 0;
  background-color: var(--bg-secondary);
}

.contact-methods-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
}

.contact-method {
  text-align: center;
  padding: var(--spacing-xl);
  background-color: var(--bg-primary);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
}

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

.contact-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
}

.contact-method h4 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

.contact-link {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  margin-top: var(--spacing-md);
  display: inline-block;
  transition: color 0.2s ease;
}

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

.contact-form-section {
  padding: var(--spacing-3xl) 0;
  background-color: var(--bg-primary);
}

.contact-form-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: flex-start;
}

.form-intro h2 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
}

.form-info {
  margin-top: var(--spacing-xl);
  padding: var(--spacing-lg);
  background-color: var(--bg-secondary);
  border-radius: var(--border-radius);
}

.form-info h4 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

.form-info ul {
  list-style: none;
  padding: 0;
}

.form-info li {
  padding: var(--spacing-xs) 0;
  color: var(--text-secondary);
}

.contact-form-container {
  background-color: var(--bg-secondary);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 1rem;
  transition: border-color 0.2s ease;
  font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.checkbox-group {
  flex-direction: row;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  cursor: pointer;
  font-weight: 400;
}

.checkbox-label input[type="checkbox"] {
  width: auto;
  margin: 0;
}

.checkbox-label a {
  color: var(--primary-color);
  text-decoration: none;
}

.checkbox-label a:hover {
  text-decoration: underline;
}

.submit-btn {
  margin-top: var(--spacing-md);
  padding: 16px 32px;
  font-size: 1.125rem;
}

/* Form buttons layout */
.form-buttons {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.reset-btn {
  background-color: var(--text-light);
  color: var(--text-dark);
}

.reset-btn:hover {
  background-color: var(--border-color);
}

.contact-faq {
  padding: var(--spacing-3xl) 0;
  background-color: var(--bg-secondary);
}

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

.faq-item {
  padding: var(--spacing-lg);
  background-color: var(--bg-primary);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
}

.faq-item h4 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

.office-hours {
  padding: var(--spacing-3xl) 0;
  background-color: var(--bg-primary);
}

.office-hours-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.office-hours-content h2 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-xl);
}

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

.hours-item {
  padding: var(--spacing-lg);
  background-color: var(--bg-secondary);
  border-radius: var(--border-radius-lg);
}

.hours-item h4 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

/* Value Proposition */
.value-proposition {
  padding: var(--spacing-3xl) 0;
  background-color: var(--bg-primary);
}

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

.value-item {
  text-align: center;
  padding: var(--spacing-xl);
  background-color: var(--bg-secondary);
  border-radius: var(--border-radius-lg);
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
}

.value-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.value-item h4 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
}

/* CTA Sections */
.cta-section-home {
  padding: var(--spacing-3xl) 0;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: white;
  text-align: center;
}

.cta-section-home h2 {
  color: white;
  margin-bottom: var(--spacing-lg);
}

.cta-section-home p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.125rem;
  margin-bottom: var(--spacing-xl);
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.cta-section {
  padding: var(--spacing-3xl) 0;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: white;
  text-align: center;
}

.cta-content h2 {
  color: white;
  margin-bottom: var(--spacing-lg);
}

.cta-content p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.125rem;
  margin-bottom: var(--spacing-xl);
}

/* Footer */
.footer {
  background-color: var(--text-primary);
  color: white;
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

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

.footer-brand h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
}

.footer-brand p {
  color: #94a3b8;
}

.footer-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
}

.footer-section h4 {
  color: white;
  margin-bottom: var(--spacing-md);
}

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

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

.footer-section a {
  color: #94a3b8;
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.footer-bottom {
  border-top: 1px solid #374151;
  padding-top: var(--spacing-lg);
  text-align: center;
}

.footer-bottom p {
  color: #94a3b8;
  margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background-color: white;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding-top: var(--spacing-xl);
    transition: left 0.3s ease;
    box-shadow: var(--shadow-lg);
  }

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

  .nav-toggle {
    display: flex;
  }

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

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }

  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--spacing-xl);
  }

  .hero-title {
    font-size: 2.5rem;
  }

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

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

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

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

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

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

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

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

  .form-row {
    grid-template-columns: 1fr;
  }

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

  .footer-links {
    grid-template-columns: 1fr;
  }

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

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

  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
  h3 { font-size: 1.75rem; }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }

  .hero {
    padding: 100px 0 var(--spacing-xl);
  }

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

  .hero-subtitle {
    font-size: 1.125rem;
  }

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

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

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

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

  .values-detailed-grid {
    grid-template-columns: 1fr;
  }

  .audience-detailed-grid {
    grid-template-columns: 1fr;
  }

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

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

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

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

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Loading animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.service-card,
.value-item,
.vision-card,
.mission-card,
.benefit-item,
.value-detailed-item,
.audience-detailed-item {
  animation: fadeInUp 0.6s ease forwards;
}

/* Focus styles for accessibility */
.btn:focus,
.nav-link:focus,
input:focus,
select:focus,
textarea:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Error messages and validation states */
.error-message {
  color: var(--error-color);
  font-size: 0.8rem;
  margin-top: 4px;
}

input:invalid, textarea:invalid, select:invalid {
  border-color: var(--error-color) !important;
}

input:valid, textarea:valid, select:valid {
  border-color: var(--success-color) !important;
}

/* Thank You Popup Overlay */
#thank-you-popup {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: var(--bg-primary);
  padding: var(--spacing-3xl) var(--spacing-2xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  z-index: 2000;
  text-align: center;
  min-width: 320px;
  max-width: 90vw;
  display: none;
  animation: fadeInUp 0.4s ease forwards;
}

/* Popup visible state */
#thank-you-popup.active {
  display: block;
}

/* Popup heading */
#thank-you-popup h2 {
  color: var(--primary-color);
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
}

/* Popup message */
#thank-you-popup p {
  color: var(--text-secondary);
  font-size: 1.125rem;
  margin-bottom: var(--spacing-lg);
}

/* Overlay behind popup */
#popup-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.3);
  z-index: 1999;
  display: none;
}

/* Overlay visible */
#popup-overlay.active {
  display: block;
}

/* Popup close button */
#close-popup {
  padding: 12px 28px;
  font-size: 1rem;
  border-radius: var(--border-radius);
  border: none;
  cursor: pointer;
  background-color: var(--primary-color);
  color: white;
  font-weight: 600;
  transition: background-color 0.2s ease;
}

#close-popup:hover {
  background-color: var(--primary-dark);
}

/* Nav toggle improvements */
.nav-toggle span {
  background-color: var(--primary-color);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
  background-color: var(--primary-dark);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
  background-color: var(--primary-dark);
}

/* Add loading state styles */
button[type="submit"][disabled] {
  opacity: 0.7;
  cursor: not-allowed;
  position: relative;
}

button[type="submit"][disabled]::after {
  content: '\u2022\u2022\u2022';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  animation: loadingDots 1.5s infinite;
}

@keyframes loadingDots {
  0%, 20% { content: '\u2022'; }
  40% { content: '\u2022\u2022'; }
  60%, 100% { content: '\u2022\u2022\u2022'; }
}

/* CAPTCHA styles */
.captcha-challenge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

#captcha-question {
  font-weight: bold;
  font-size: 1.1rem;
}