/* Global Styles */
:root {
  --primary-color: #0d6efd;
  --secondary-color: #6c757d;
  --accent-color: #17a2b8;
  --dark-color: #343a40;
  --light-color: #f8f9fa;
  --success-color: #28a745;
  --warning-color: #ffc107;
  --danger-color: #dc3545;
  --gradient-bg: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
}

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

body {
  font-family: 'Inter', 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f9f9f9;
}

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

ul {
  list-style: none;
}

img {
  max-width: 100%;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

/* Header */
header {
  background-color: #111;
  color: #fff;
  padding: 1rem 0;
}

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

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
}

.logo span {
  color: var(--primary-color);
}

.nav-links {
  display: flex;
}

.nav-links li {
  margin-left: 1.5rem;
}

.nav-links a {
  color: #fff;
  font-weight: 500;
  transition: color 0.3s;
}

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

.btn {
  display: inline-block;
  padding: 0.6rem 1.5rem;
  border-radius: 4px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s;
  border: none;
}

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

.btn-primary:hover {
  background-color: #0b5ed7;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--primary-color);
  color: var(--primary-color);
}

.btn-outline:hover {
  background-color: var(--primary-color);
  color: #fff;
}

/* Hero Section */
.hero {
  background: var(--gradient-bg);
  color: #fff;
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
}

.hero-content {
  max-width: 700px;
  z-index: 1;
  position: relative;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

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

/* Features Section */
.features {
  padding: 5rem 0;
  background-color: #fff;
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.section-title p {
  color: #666;
  max-width: 700px;
  margin: 0 auto;
}

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

.feature-card {
  background-color: #f8f9fa;
  border-radius: 8px;
  padding: 2rem;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.feature-icon {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

.feature-card h3 {
  margin-bottom: 1rem;
}

/* Pricing Section */
.pricing {
  padding: 5rem 0;
  background-color: #f8f9fa;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.pricing-card {
  background-color: #fff;
  border-radius: 8px;
  padding: 2.5rem;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
}

.pricing-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.pricing-card h3 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

.price {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--primary-color);
}

.price span {
  font-size: 1rem;
  font-weight: 400;
  color: #666;
}

.pricing-features {
  margin-bottom: 2rem;
}

.pricing-features li {
  margin-bottom: 0.8rem;
  color: #666;
}

/* Contact Section */
.contact {
  padding: 5rem 0;
  background-color: #fff;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.contact-info {
  margin-bottom: 2rem;
}

.contact-info h3 {
  margin-bottom: 1rem;
}

.contact-info p {
  margin-bottom: 1.5rem;
  color: #666;
}

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

.contact-form label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-family: inherit;
}

.contact-form textarea {
  height: 150px;
}

/* Footer */
footer {
  background-color: #111;
  color: #fff;
  padding: 3rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-column h3 {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  color: #fff;
}

.footer-column ul li {
  margin-bottom: 0.8rem;
}

.footer-column ul li a {
  color: #aaa;
  transition: color 0.3s;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 1.5rem;
  border-top: 1px solid #333;
  color: #aaa;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .nav-links {
    display: none;
  }
  
  .mobile-menu {
    display: block;
  }
}

@media (max-width: 576px) {
  .hero-buttons {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
    margin-bottom: 1rem;
  }
}

/* Additional styles for new sections */
.how-it-works {
  padding: 5rem 0;
  background-color: #f8f9fa;
}

.tech-articles {
  padding: 5rem 0;
  background-color: #fff;
}

.tech-articles .feature-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px 8px 0 0;
  margin-bottom: 1.5rem;
}

.cta {
  padding: 5rem 0;
  background: var(--gradient-bg);
  color: #fff;
  text-align: center;
}

.cta-content h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.cta-content p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.faq {
  padding: 5rem 0;
  background-color: #fff;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 2rem;
}

.faq-item {
  background-color: #f8f9fa;
  border-radius: 8px;
  padding: 2rem;
}

.faq-item h3 {
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.terms-content,
.privacy-content {
  padding: 3rem 0;
  background-color: #fff;
}

.terms-text,
.privacy-text {
  max-width: 800px;
  margin: 0 auto;
}

.terms-text h2,
.privacy-text h2 {
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.terms-text p,
.privacy-text p {
  margin-bottom: 1rem;
  line-height: 1.6;
}

.terms-text ul,
.privacy-text ul {
  margin-bottom: 1rem;
  padding-left: 2rem;
}

.terms-text li,
.privacy-text li {
  margin-bottom: 0.5rem;
  list-style-type: disc;
}

.contact-details {
  margin-top: 2rem;
}

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

.contact-item i {
  color: var(--primary-color);
  margin-right: 1rem;
  margin-top: 0.2rem;
  width: 20px;
}

.contact-form select {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-family: inherit;
  background-color: #fff;
}

.form-success {
  background-color: #d4edda;
  border: 1px solid #c3e6cb;
  color: #155724;
  padding: 2rem;
  border-radius: 8px;
  text-align: center;
}

.form-success h3 {
  margin-bottom: 1rem;
  color: #155724;
}

/* Mobile responsive improvements */
@media (max-width: 768px) {
  .faq-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .cta-content h2 {
    font-size: 2rem;
  }
}

@media (max-width: 576px) {
  .section-title h2 {
    font-size: 2rem;
  }
  
  .price {
    font-size: 2.5rem;
  }
}
/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: block;
  }
  
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: #111;
    flex-direction: column;
    padding: 1rem 0;
    z-index: 100;
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .nav-links li {
    margin: 0.5rem 1.5rem;
  }
}