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

body {
  font-family: 'Roboto', sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f9f9f9;
}

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

h1, h2, h3, h4, h5, h6 {
  margin-bottom: 1rem;
  line-height: 1.2;
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 2rem;
}

h3 {
  font-size: 1.5rem;
}

a {
  text-decoration: none;
  color: #4a90e2;
}

ul {
  list-style: none;
}

section {
  padding: 80px 0;
}

/* Button styles */
.btn-primary, .btn-secondary {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 4px;
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-primary {
  background-color: #4a90e2;
  color: #fff;
  border: none;
}

.btn-primary:hover {
  background-color: #357abd;
}

.btn-secondary {
  background-color: #f5f5f5;
  color: #333;
  border: 1px solid #ddd;
}

.btn-secondary:hover {
  background-color: #e9e9e9;
}

/* Header styles */
header {
  background-color: #fff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
}

.logo h1 {
  margin: 0;
  font-size: 1.8rem;
  color: #4a90e2;
}

.nav-links {
  display: flex;
}

.nav-links li {
  margin-left: 30px;
}

.nav-links a {
  color: #333;
  font-weight: 500;
}

.btn-login, .btn-signup {
  padding: 8px 16px;
  border-radius: 4px;
}

.btn-login {
  color: #4a90e2;
}

.btn-signup {
  background-color: #4a90e2;
  color: #fff;
}

/* Hero section */
.hero {
  display: flex;
  align-items: center;
  padding: 100px 0;
  background-color: #f5f9ff;
}

.hero-content {
  flex: 1;
  padding-right: 40px;
}

.hero-content h1 {
  font-size: 3rem;
  margin-bottom: 20px;
  color: #333;
}

.hero-content p {
  font-size: 1.2rem;
  margin-bottom: 30px;
  color: #666;
}

.hero-image {
  flex: 1;
}

.hero-image img {
  max-width: 100%;
  height: auto;
}

/* Features section */
.features {
  background-color: #fff;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.feature-card {
  background-color: #f9f9f9;
  border-radius: 8px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease;
}

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

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

/* How it works section */
.how-it-works {
  background-color: #f5f9ff;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  counter-reset: step-counter;
}

.step {
  position: relative;
  padding: 30px;
  background-color: #fff;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: #4a90e2;
  color: #fff;
  border-radius: 50%;
  font-weight: bold;
  margin-bottom: 15px;
}

/* Pricing section */
.pricing {
  background-color: #fff;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.pricing-card {
  position: relative;
  background-color: #f9f9f9;
  border-radius: 8px;
  padding: 40px 30px;
  text-align: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.pricing-card.featured {
  background-color: #f5f9ff;
  border: 2px solid #4a90e2;
  transform: scale(1.05);
}

.featured-tag {
  position: absolute;
  top: -10px;
  right: 20px;
  background-color: #4a90e2;
  color: #fff;
  padding: 5px 10px;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: bold;
}

.price {
  font-size: 2.5rem;
  font-weight: bold;
  margin: 15px 0 25px;
  color: #333;
}

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

.pricing-card ul {
  text-align: left;
  margin-bottom: 30px;
}

.pricing-card li {
  margin-bottom: 10px;
  padding-left: 20px;
  position: relative;
}

.pricing-card li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #4a90e2;
}

/* Demo section */
.demo {
  background-color: #f5f9ff;
  text-align: center;
}

.demo p {
  margin-bottom: 20px;
}

.demo button {
  margin-bottom: 30px;
}

.demo pre {
  text-align: left;
  background-color: #333;
  color: #f8f8f8;
  padding: 20px;
  border-radius: 8px;
  overflow-x: auto;
  max-width: 600px;
  margin: 0 auto;
}

.demo code {
  font-family: monospace;
}

/* Campaign chip styles */
.campaign-chip {
  display: inline-flex;
  align-items: center;
  background-color: #f0f0f0;
  border-radius: 16px;
  padding: 4px 12px;
  margin: 4px;
  font-size: 14px;
}

.campaign-chip .status-badge {
  font-size: 12px;
  padding: 2px 6px;
  border-radius: 10px;
  margin-left: 6px;
  text-transform: capitalize;
}

.campaign-chip .status-badge.active {
  background-color: #4caf50;
  color: white;
}

.campaign-chip .status-badge.draft {
  background-color: #ffc107;
  color: black;
}

.campaign-chip .status-badge.paused {
  background-color: #9e9e9e;
  color: white;
}

.campaign-chip .status-badge.ended {
  background-color: #f44336;
  color: white;
}

.campaign-chip .status-badge.unknown {
  background-color: #e0e0e0;
  color: #666;
}

.campaign-chip .remove-campaign {
  margin-left: 8px;
  cursor: pointer;
  color: #666;
}

.campaign-chip .remove-campaign:hover {
  color: #f44336;
}

/* Footer */
footer {
  background-color: #2c3e50;
  color: #fff;
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h3, .footer-col h4 {
  margin-bottom: 20px;
  color: #fff;
}

.footer-col p {
  color: #bdc3c7;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  color: #bdc3c7;
  transition: color 0.3s ease;
}

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

.copyright {
  text-align: center;
  color: #bdc3c7;
  padding-top: 30px;
  border-top: 1px solid #34495e;
}

/* Responsive design */
@media (max-width: 768px) {
  .hero {
    flex-direction: column;
    text-align: center;
  }

  .hero-content {
    padding-right: 0;
    margin-bottom: 40px;
  }

  .pricing-card.featured {
    transform: none;
  }

  .nav-links {
    display: none;
  }
}

/* Dashboard pages (login, registration, etc.) would have additional styles */