:root {
  --primary-color: #1e3a5f;
  --secondary-color: #2d5a3d;
  --accent-color: #0a7b83;
  --text-dark: #1a1a1a;
  --text-light: #4a4a4a;
  --text-white: #ffffff;
  --bg-light: #f8f9fa;
  --bg-white: #ffffff;
  --border-color: #e0e0e0;
  --success-color: #28a745;
  --spacing-unit: 8px;
}

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

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 calc(var(--spacing-unit) * 3);
  width: 100%;
}

h1 {
  font-size: 2.5rem;
  line-height: 1.2;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: calc(var(--spacing-unit) * 3);
}

h2 {
  font-size: 2rem;
  line-height: 1.2;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: calc(var(--spacing-unit) * 3);
  text-align: center;
}

h3 {
  font-size: 1.25rem;
  line-height: 1.3;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: calc(var(--spacing-unit) * 2);
}

p {
  margin-bottom: calc(var(--spacing-unit) * 2);
  color: var(--text-light);
}

a {
  color: var(--accent-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.header {
  background-color: var(--primary-color);
  padding: calc(var(--spacing-unit) * 2) 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo h2 {
  color: var(--text-white);
  font-size: 1.5rem;
  margin: 0;
  text-align: left;
}

.nav {
  display: flex;
  gap: calc(var(--spacing-unit) * 4);
}

.nav a {
  color: var(--text-white);
  font-weight: 500;
  padding: calc(var(--spacing-unit) * 1) calc(var(--spacing-unit) * 2);
  border-radius: 4px;
  transition: background-color 0.3s ease;
}

.nav a:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--text-white);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: calc(var(--spacing-unit) * 1);
}

.mobile-menu-btn span {
  width: 25px;
  height: 3px;
  background-color: var(--text-white);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.hero {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
  color: var(--text-white);
  padding: calc(var(--spacing-unit) * 10) 0;
  text-align: center;
}

.hero h1 {
  color: var(--text-white);
  font-size: 2.8rem;
  margin-bottom: calc(var(--spacing-unit) * 3);
}

.hero-text {
  font-size: 1.2rem;
  color: var(--text-white);
  margin-bottom: calc(var(--spacing-unit) * 4);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: calc(var(--spacing-unit) * 2);
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 4);
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background-color: var(--success-color);
  color: var(--text-white);
  box-shadow: 0 4px 12px rgba(40, 167, 69, 0.3);
}

.btn-primary:hover {
  background-color: #218838;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(40, 167, 69, 0.4);
  color: var(--text-white);
}

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

.btn-secondary:hover {
  background-color: var(--text-white);
  color: var(--primary-color);
  transform: translateY(-2px);
}

.section {
  padding: calc(var(--spacing-unit) * 8) 0;
}

.why-section {
  background-color: var(--bg-light);
  text-align: center;
}

.section-intro {
  font-size: 1.15rem;
  max-width: 800px;
  margin: 0 auto;
  color: var(--text-light);
  line-height: 1.8;
}

.services-section {
  background-color: var(--bg-white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: calc(var(--spacing-unit) * 3);
  margin-bottom: calc(var(--spacing-unit) * 5);
}

.service-card {
  background-color: var(--bg-white);
  border: 2px solid var(--border-color);
  border-radius: 12px;
  padding: calc(var(--spacing-unit) * 4);
  text-align: center;
  transition: all 0.3s ease;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  border-color: var(--accent-color);
}

.service-icon {
  font-size: 3rem;
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.service-card h3 {
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.service-card p {
  color: var(--text-light);
  margin: 0;
}

.cta-center {
  text-align: center;
}

.mei-section {
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
  color: var(--text-white);
  text-align: center;
}

.mei-content h2 {
  color: var(--text-white);
  margin-bottom: calc(var(--spacing-unit) * 3);
}

.mei-content p {
  color: var(--text-white);
  font-size: 1.15rem;
  max-width: 700px;
  margin: 0 auto calc(var(--spacing-unit) * 4) auto;
  line-height: 1.8;
}

.differentials-section {
  background-color: var(--bg-light);
}

.differentials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: calc(var(--spacing-unit) * 4);
}

.differential-item {
  text-align: center;
}

.differential-icon {
  font-size: 3rem;
  color: var(--success-color);
  margin-bottom: calc(var(--spacing-unit) * 2);
}

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

.cta-content h2 {
  color: var(--text-white);
}

.cta-content p {
  color: var(--text-white);
  font-size: 1.15rem;
  max-width: 700px;
  margin: 0 auto calc(var(--spacing-unit) * 4) auto;
}

.cta-buttons {
  display: flex;
  gap: calc(var(--spacing-unit) * 2);
  justify-content: center;
  flex-wrap: wrap;
}

.disclaimer-section {
  background-color: #fff9e6;
  padding: calc(var(--spacing-unit) * 3) 0;
  border-top: 2px solid #ffc107;
  border-bottom: 2px solid #ffc107;
}

.disclaimer-text {
  text-align: center;
  color: #856404;
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.6;
}

.footer {
  background-color: var(--primary-color);
  color: var(--text-white);
  padding: calc(var(--spacing-unit) * 6) 0 calc(var(--spacing-unit) * 3) 0;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: calc(var(--spacing-unit) * 4);
  margin-bottom: calc(var(--spacing-unit) * 4);
}

.footer-col h3 {
  color: var(--text-white);
  font-size: 1.2rem;
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.footer-col p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: calc(var(--spacing-unit) * 1);
  line-height: 1.6;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.9);
  transition: color 0.3s ease;
}

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

.footer-bottom {
  text-align: center;
  padding-top: calc(var(--spacing-unit) * 3);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
}

.plans-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: calc(var(--spacing-unit) * 4);
  margin-top: calc(var(--spacing-unit) * 5);
}

.plan-card {
  background-color: var(--bg-white);
  border: 2px solid var(--border-color);
  border-radius: 12px;
  padding: calc(var(--spacing-unit) * 4);
  text-align: center;
  transition: all 0.3s ease;
}

.plan-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
  border-color: var(--accent-color);
}

.plan-card.featured {
  border-color: var(--success-color);
  border-width: 3px;
  position: relative;
}

.plan-badge {
  background-color: var(--success-color);
  color: var(--text-white);
  padding: calc(var(--spacing-unit) * 1) calc(var(--spacing-unit) * 2);
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-block;
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.plan-card h3 {
  font-size: 1.8rem;
  margin-bottom: calc(var(--spacing-unit) * 3);
}

.plan-features {
  list-style: none;
  padding: 0;
  margin: calc(var(--spacing-unit) * 3) 0;
  text-align: left;
}

.plan-features li {
  padding: calc(var(--spacing-unit) * 1.5) 0;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-light);
}

.plan-features li:last-child {
  border-bottom: none;
}

.plan-features li::before {
  content: '✔';
  color: var(--success-color);
  font-weight: bold;
  margin-right: calc(var(--spacing-unit) * 2);
}

.faq-container {
  max-width: 900px;
  margin: calc(var(--spacing-unit) * 5) auto;
}

.faq-item {
  background-color: var(--bg-white);
  border: 2px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: calc(var(--spacing-unit) * 2);
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item:hover {
  border-color: var(--accent-color);
}

.faq-question {
  padding: calc(var(--spacing-unit) * 3);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--bg-light);
  font-weight: 600;
  color: var(--primary-color);
  transition: background-color 0.3s ease;
}

.faq-question:hover {
  background-color: #e9ecef;
}

.faq-icon {
  font-size: 1.5rem;
  color: var(--accent-color);
  transition: transform 0.3s ease;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 calc(var(--spacing-unit) * 3);
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: calc(var(--spacing-unit) * 3);
}

.faq-answer p {
  margin: 0;
  line-height: 1.8;
}

.contact-section {
  padding: calc(var(--spacing-unit) * 8) 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: calc(var(--spacing-unit) * 6);
  margin-top: calc(var(--spacing-unit) * 5);
}

.contact-info h3 {
  margin-bottom: calc(var(--spacing-unit) * 3);
}

.contact-item {
  margin-bottom: calc(var(--spacing-unit) * 3);
}

.contact-item h4 {
  color: var(--primary-color);
  font-size: 1.1rem;
  margin-bottom: calc(var(--spacing-unit) * 1);
}

.contact-item p {
  margin: 0;
  color: var(--text-light);
}

.contact-item a {
  color: var(--accent-color);
  font-weight: 500;
}

.contact-form {
  background-color: var(--bg-light);
  padding: calc(var(--spacing-unit) * 4);
  border-radius: 12px;
}

.form-group {
  margin-bottom: calc(var(--spacing-unit) * 3);
}

.form-group label {
  display: block;
  margin-bottom: calc(var(--spacing-unit) * 1);
  color: var(--text-dark);
  font-weight: 600;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: calc(var(--spacing-unit) * 2);
  border: 2px solid var(--border-color);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent-color);
}

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

.form-message {
  padding: calc(var(--spacing-unit) * 2);
  border-radius: 8px;
  margin-bottom: calc(var(--spacing-unit) * 3);
  display: none;
}

.form-message.success {
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
  display: block;
}

.form-message.error {
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
  display: block;
}

.privacy-section {
  padding: calc(var(--spacing-unit) * 8) 0;
}

.privacy-content {
  max-width: 900px;
  margin: 0 auto;
  line-height: 1.8;
}

.privacy-content h2 {
  text-align: left;
  margin-top: calc(var(--spacing-unit) * 5);
}

.privacy-content h3 {
  margin-top: calc(var(--spacing-unit) * 4);
}

.privacy-content ul {
  margin-left: calc(var(--spacing-unit) * 4);
  margin-bottom: calc(var(--spacing-unit) * 3);
}

.privacy-content li {
  margin-bottom: calc(var(--spacing-unit) * 1);
  color: var(--text-light);
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: flex;
  }

  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--primary-color);
    flex-direction: column;
    gap: 0;
    padding: calc(var(--spacing-unit) * 2) 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .nav.active {
    max-height: 500px;
  }

  .nav a {
    padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 3);
    border-radius: 0;
  }

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

  .hero-text {
    font-size: 1rem;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.6rem;
  }

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

  .contact-grid {
    grid-template-columns: 1fr;
    gap: calc(var(--spacing-unit) * 4);
  }

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

  .hero-buttons,
  .cta-buttons {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 calc(var(--spacing-unit) * 2);
  }

  .hero {
    padding: calc(var(--spacing-unit) * 6) 0;
  }

  .section {
    padding: calc(var(--spacing-unit) * 5) 0;
  }

  .hero h1 {
    font-size: 1.6rem;
  }
}