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

:root {
  --primary-color: #2563eb;
  --secondary-color: #1e40af;
  --accent-color: #06b6d4;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --background: #ffffff;
  --surface: #f8fafc;
  --border: #e5e7eb;
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--background);
}

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

/* Header Styles */
.header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--primary-color);
}

.nav-brand i {
  font-size: 2rem;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.nav-menu a {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--primary-color);
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  margin: 3px 0;
  transition: 0.3s;
}

/* Button Styles */
.btn-primary {
  background: var(--primary-color);
  color: white;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
}

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

.btn-secondary {
  background: transparent;
  color: var(--primary-color);
  padding: 0.75rem 1.5rem;
  border: 2px solid var(--primary-color);
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

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

.btn-full {
  width: 100%;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 6rem 2rem 2rem;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.hero-content {
  flex: 1;
  max-width: 600px;
}

.hero-content h1 {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-content p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-visual {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  max-width: 400px;
}

.tech-card {
  background: white;
  padding: 2rem;
  border-radius: 16px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

.tech-card:hover {
  transform: translateY(-10px);
}

.tech-card i {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.tech-card span {
  font-weight: 600;
  color: var(--text-primary);
}

/* Services Section */
.services {
  padding: 6rem 2rem;
  background: var(--background);
}

.services h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  color: var(--text-primary);
}

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

.service-card {
  background: white;
  padding: 2.5rem;
  border-radius: 16px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  border: 1px solid var(--border);
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.service-card i {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

.service-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

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

/* About Section */
.about {
  padding: 6rem 2rem;
  background: var(--surface);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.about-text p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.stats {
  display: flex;
  gap: 2rem;
}

.stat {
  text-align: center;
}

.stat h3 {
  font-size: 2.5rem;
  color: var(--primary-color);
  font-weight: 800;
}

.stat p {
  color: var(--text-secondary);
  font-weight: 500;
}

.about-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.tech-animation {
  position: relative;
  width: 300px;
  height: 300px;
}

.orbit {
  width: 100%;
  height: 100%;
  border: 2px solid var(--primary-color);
  border-radius: 50%;
  position: relative;
  animation: rotate 20s linear infinite;
}

.planet {
  width: 40px;
  height: 40px;
  background: var(--accent-color);
  border-radius: 50%;
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
}

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* Contact Section */
.contact {
  padding: 6rem 2rem;
  background: var(--background);
}

.contact h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  color: var(--text-primary);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.contact-item i {
  font-size: 1.5rem;
  color: var(--primary-color);
  width: 40px;
}

.contact-item h4 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

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

.newsletter {
  background: white;
  padding: 2rem;
  border-radius: 16px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.newsletter h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.newsletter p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.newsletter-form {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.newsletter-form input {
  flex: 1;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
}

.opt-preferences {
  margin-top: 1rem;
}

.checkbox-container {
  display: block;
  position: relative;
  padding-left: 35px;
  margin-bottom: 12px;
  cursor: pointer;
  font-size: 0.9rem;
  user-select: none;
}

.checkbox-container input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.checkmark {
  position: absolute;
  top: 0;
  left: 0;
  height: 20px;
  width: 20px;
  background-color: var(--surface);
  border: 2px solid var(--border);
  border-radius: 4px;
}

.checkbox-container:hover input ~ .checkmark {
  background-color: var(--border);
}

.checkbox-container input:checked ~ .checkmark {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.checkmark:after {
  content: "";
  position: absolute;
  display: none;
}

.checkbox-container input:checked ~ .checkmark:after {
  display: block;
}

.checkbox-container .checkmark:after {
  left: 6px;
  top: 2px;
  width: 6px;
  height: 10px;
  border: solid white;
  border-width: 0 3px 3px 0;
  transform: rotate(45deg);
}

.opt-note {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 1rem;
}

.opt-note a {
  color: var(--primary-color);
  text-decoration: none;
}

.opt-note a:hover {
  text-decoration: underline;
}

/* Footer */
.footer {
  background: var(--text-primary);
  color: white;
  padding: 3rem 2rem 1rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-brand i {
  font-size: 2rem;
  color: var(--primary-color);
}

.footer-brand span {
  font-size: 1.5rem;
  font-weight: bold;
}

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

.footer-column h4 {
  margin-bottom: 1rem;
  color: var(--primary-color);
}

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

.footer-column ul li {
  margin-bottom: 0.5rem;
}

.footer-column ul li a {
  color: #d1d5db;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-column ul li a:hover {
  color: white;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid #374151;
  color: #9ca3af;
}

/* Modal Styles */
.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(5px);
}

.modal-content {
  background-color: white;
  margin: 2% auto;
  padding: 0;
  border-radius: 16px;
  width: 90%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem;
  border-bottom: 1px solid var(--border);
}

.modal-header h2 {
  color: var(--text-primary);
  margin: 0;
}

.close {
  color: var(--text-secondary);
  font-size: 2rem;
  font-weight: bold;
  cursor: pointer;
  transition: color 0.3s ease;
}

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

/* Form Styles */
form {
  padding: 2rem;
}

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

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

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

.phone-input {
  display: flex;
  gap: 0.5rem;
}

.phone-input select {
  flex: 0 0 140px;
}

.phone-input input {
  flex: 1;
}

.checkbox-group {
  margin-top: 1rem;
}

.checkbox-group .checkbox-container {
  margin-bottom: 1rem;
}

/* Terms Page Styles */
.terms-page {
  padding-top: 6rem;
  min-height: 100vh;
}

.terms-header {
  text-align: center;
  padding: 3rem 0;
  background: var(--surface);
}

.terms-header h1 {
  font-size: 3rem;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.last-updated {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.terms-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 3rem 2rem;
}

.terms-section {
  margin-bottom: 3rem;
}

.terms-section h2 {
  color: var(--primary-color);
  font-size: 1.5rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--border);
}

.terms-section p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.terms-section ul {
  margin-left: 2rem;
  margin-bottom: 1rem;
}

.terms-section ul li {
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.contact-details {
  background: var(--surface);
  padding: 1.5rem;
  border-radius: 8px;
  margin-top: 1rem;
}

.contact-details p {
  margin-bottom: 0.5rem;
}

.terms-footer {
  text-align: center;
  padding: 3rem 2rem;
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.terms-footer p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-menu {
    display: none;
  }

  .hero {
    flex-direction: column;
    text-align: center;
    padding: 4rem 1rem 2rem;
  }

  .hero-content h1 {
    font-size: 2.5rem;
  }

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

  .tech-grid {
    grid-template-columns: 1fr;
    margin-top: 2rem;
  }

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

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

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

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

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

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

  .phone-input select {
    flex: none;
  }

  .stats {
    justify-content: center;
  }

  .modal-content {
    margin: 5% auto;
    width: 95%;
  }

  .terms-header h1 {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .hero-content h1 {
    font-size: 2rem;
  }

  .services h2,
  .about-text h2,
  .contact h2 {
    font-size: 2rem;
  }

  .modal-content {
    margin: 2% auto;
  }

  form {
    padding: 1rem;
  }

  .modal-header {
    padding: 1.5rem;
  }
}