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

:root {
  --primary-color: #0B4F6C;
  --secondary-color: #20A4F3;
  --accent-color: #01BAEF;
  --text-dark: #1a2332;
  --text-medium: #4a5568;
  --text-light: #718096;
  --bg-light: #f7fafc;
  --bg-white: #ffffff;
  --success-color: #48bb78;
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
  --spacing-unit: 8px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--bg-white);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: calc(var(--spacing-unit) * 2);
}

h1 {
  font-family: 'Playfair Display', serif;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.3s ease;
}

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

.section-header {
  text-align: center;
  margin-bottom: calc(var(--spacing-unit) * 8);
}

.section-title {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.section-subtitle {
  font-size: 1.25rem;
  color: var(--text-medium);
  max-width: 600px;
  margin: 0 auto;
}

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

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

.btn-primary:hover {
  background-color: #083a51;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.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(-2px);
}

.btn-full {
  width: 100%;
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: all 0.3s ease;
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 3);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: calc(var(--spacing-unit) * 2);
}

.logo {
  height: 50px;
  width: auto;
  transition: transform 0.3s ease;
}

.logo:hover {
  transform: scale(1.05);
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-color);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: calc(var(--spacing-unit) * 4);
  align-items: center;
}

.nav-link {
  font-weight: 500;
  color: var(--text-dark);
  transition: color 0.3s ease;
}

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

.nav-link-cta {
  background-color: var(--secondary-color);
  color: white;
  padding: calc(var(--spacing-unit) * 1.5) calc(var(--spacing-unit) * 3);
  border-radius: 6px;
}

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

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

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

.hero {
  margin-top: 86px;
  padding: calc(var(--spacing-unit) * 15) calc(var(--spacing-unit) * 3);
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(32, 164, 243, 0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(11, 79, 108, 0.1) 0%, transparent 70%);
  border-radius: 50%;
}

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

.hero-title {
  font-size: 3.5rem;
  color: var(--primary-color);
  margin-bottom: calc(var(--spacing-unit) * 3);
  animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--text-medium);
  margin-bottom: calc(var(--spacing-unit) * 5);
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-buttons {
  display: flex;
  gap: calc(var(--spacing-unit) * 3);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: calc(var(--spacing-unit) * 4);
  animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: calc(var(--spacing-unit) * 1.5);
  background-color: white;
  padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 3);
  border-radius: 50px;
  box-shadow: var(--shadow-md);
  font-weight: 600;
  color: var(--primary-color);
  animation: fadeInUp 0.8s ease 0.6s both;
}

.badge-icon {
  font-size: 1.5rem;
}

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

.about {
  padding: calc(var(--spacing-unit) * 12) 0;
}

.about-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: calc(var(--spacing-unit) * 8);
  align-items: center;
}

.about-text p {
  font-size: 1.125rem;
  color: var(--text-medium);
  margin-bottom: calc(var(--spacing-unit) * 3);
  line-height: 1.8;
}

.about-highlight {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--primary-color);
  padding: calc(var(--spacing-unit) * 3);
  background-color: var(--bg-light);
  border-left: 4px solid var(--secondary-color);
  border-radius: 4px;
}

.about-image {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: calc(var(--spacing-unit) * 4);
  background-color: var(--bg-light);
  border-radius: 16px;
}

.about-image img {
  max-width: 250px;
  filter: drop-shadow(0 10px 25px rgba(0, 0, 0, 0.15));
}

.services {
  padding: calc(var(--spacing-unit) * 12) 0;
  background-color: var(--bg-light);
}

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

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

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

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

.service-card h3 {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.service-card p {
  color: var(--text-medium);
  line-height: 1.7;
}

.why-us {
  padding: calc(var(--spacing-unit) * 12) 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: calc(var(--spacing-unit) * 5);
}

.feature {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

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

.feature h3 {
  font-size: 1.375rem;
  color: var(--primary-color);
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.feature p {
  color: var(--text-medium);
  line-height: 1.7;
}

.testimonial {
  padding: calc(var(--spacing-unit) * 12) 0;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: white;
}

.testimonial-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  position: relative;
}

.quote-icon {
  font-size: 6rem;
  opacity: 0.2;
  line-height: 1;
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.testimonial blockquote p {
  font-size: 1.5rem;
  line-height: 1.8;
  margin-bottom: calc(var(--spacing-unit) * 3);
  font-style: italic;
}

.testimonial cite {
  font-size: 1.125rem;
  font-weight: 600;
  font-style: normal;
}
.pricing {
  padding: 60px 20px;
  background-color: var(--bg-light);
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.pricing-card {
  width: 90%; /* almost full width */
  max-width: 1200px;
  margin-left: 3.5rem;
  background-color: var(--bg-white);
  padding: calc(var(--spacing-unit) * 8) calc(var(--spacing-unit) * 10);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
}

.pricing-card h2 {
  font-size: 2rem;
  color: var(--primary-color);
}

.pricing-card p {
  font-size: 1.2rem;
  color: var(--text-dark);
  line-height: 1.6;
}

.contact {
  padding: calc(var(--spacing-unit) * 12) 0;
  background-color: var(--bg-light);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: calc(var(--spacing-unit) * 8);
  background-color: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.contact-info {
  padding: calc(var(--spacing-unit) * 6);
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: white;
}

.contact-info h2 {
  font-size: 2.25rem;
  margin-bottom: calc(var(--spacing-unit) * 3);
}

.contact-info p {
  font-size: 1.125rem;
  line-height: 1.7;
  margin-bottom: calc(var(--spacing-unit) * 4);
  opacity: 0.95;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: calc(var(--spacing-unit) * 4);
}

.contact-item {
  display: flex;
  gap: calc(var(--spacing-unit) * 2);
  align-items: flex-start;
}

.contact-icon {
  font-size: 2rem;
}

.contact-item strong {
  display: block;
  font-size: 1.125rem;
  margin-bottom: calc(var(--spacing-unit) * 0.5);
}

.contact-item p {
  margin: 0;
  opacity: 0.9;
}

.contact-form {
  padding: calc(var(--spacing-unit) * 6);
}

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

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

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 3px rgba(32, 164, 243, 0.1);
}

.form-group small {
  display: block;
  margin-top: calc(var(--spacing-unit) * 1);
  color: var(--text-light);
  font-size: 0.875rem;
}

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

.form-success {
  display: none;
  margin-top: calc(var(--spacing-unit) * 2);
  padding: calc(var(--spacing-unit) * 2);
  background-color: #d1fae5;
  color: #065f46;
  border-radius: 8px;
  text-align: center;
  font-weight: 600;
}

.form-success.show {
  display: block;
}

.footer {
  background-color: var(--text-dark);
  color: white;
  padding: calc(var(--spacing-unit) * 8) 0 calc(var(--spacing-unit) * 4) 0;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: calc(var(--spacing-unit) * 6);
  margin-bottom: calc(var(--spacing-unit) * 6);
}

.footer-logo {
  width: 80px;
  margin-bottom: calc(var(--spacing-unit) * 2);
  filter: brightness(0) invert(1);
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.7;
}

.footer-links h4,
.footer-contact h4 {
  margin-bottom: calc(var(--spacing-unit) * 3);
  font-size: 1.125rem;
}

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

.footer-links li {
  margin-bottom: calc(var(--spacing-unit) * 1.5);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: var(--accent-color);
}

.footer-contact p {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.7;
}

.footer-bottom {
  text-align: center;
  padding-top: calc(var(--spacing-unit) * 4);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 86px;
    left: -100%;
    width: 100%;
    flex-direction: column;
    background-color: white;
    padding: calc(var(--spacing-unit) * 4);
    box-shadow: var(--shadow-lg);
    transition: left 0.3s ease;
    gap: calc(var(--spacing-unit) * 3);
  }

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

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

  .mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
  }

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

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

  .brand-name {
    font-size: 1rem;
  }

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

  .hero-subtitle {
    font-size: 1.25rem;
  }

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

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

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

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

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

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

  .footer-logo {
    margin: 0 auto calc(var(--spacing-unit) * 2);
  }

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

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

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

  .btn {
    width: 100%;
  }
}