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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #fff;
}

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

/* Cookie Notice */
.cookie-notice {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #2c3e50;
  color: white;
  padding: 15px 0;
  z-index: 1000;
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.cookie-notice.show {
  transform: translateY(0);
}

.cookie-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.cookie-content p {
  margin: 0;
}

.cookie-content a {
  color: #3498db;
  text-decoration: none;
}

.cookie-content a:hover {
  text-decoration: underline;
}

.cookie-btn {
  background: #e67e22;
  color: white;
  border: none;
  padding: 8px 20px;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 500;
  white-space: nowrap;
}

.cookie-btn:hover {
  background: #d35400;
}

/* Header */
.header {
  background: white;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 999;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo-img {
  height: 40px;
  width: auto;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-link {
  text-decoration: none;
  color: #333;
  font-weight: 500;
  transition: color 0.3s ease;
  white-space: nowrap;
}

.nav-link:hover {
  color: #e67e22;
}

.auth-link {
  color: #666;
}

.register-btn {
  background: #e67e22;
  color: white !important;
  padding: 10px 20px;
  border-radius: 5px;
  transition: background 0.3s ease;
}

.register-btn:hover {
  background: #d35400;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background: #333;
  margin: 3px 0;
  transition: 0.3s;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #e67e22 0%, #f39c12 100%);
  padding: 120px 0 80px;
  color: white;
}

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

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.hero-card {
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  padding: 40px;
  border-radius: 15px;
  text-align: center;
  border: 1px solid rgba(255,255,255,0.2);
}

.hero-card h2 {
  font-size: 2rem;
  margin-bottom: 15px;
  font-weight: 700;
}

.hero-card p {
  font-size: 1.1rem;
  margin-bottom: 25px;
  opacity: 0.9;
}

.cta-btn {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.cta-btn.primary {
  background: white;
  color: #e67e22;
}

.cta-btn.primary:hover {
  background: #f8f9fa;
  transform: translateY(-2px);
}

.cta-btn.secondary {
  background: transparent;
  color: white;
  border-color: white;
}

.cta-btn.secondary:hover {
  background: white;
  color: #e67e22;
  transform: translateY(-2px);
}

/* Section Styles */
.section-title {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 50px;
  color: #2c3e50;
  font-weight: 700;
}

/* Ad Types Section */
.ad-types {
  padding: 80px 0;
  background: #f8f9fa;
}

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

.ad-type-card {
  background: white;
  padding: 40px 30px;
  border-radius: 15px;
  text-align: center;
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.ad-type-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.ad-type-icon {
  color: #e67e22;
  margin-bottom: 20px;
}

.ad-type-card h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: #2c3e50;
  font-weight: 600;
}

.ad-type-card p {
  color: #666;
  line-height: 1.6;
}

/* Advertisers & Publishers Sections */
.advertisers, .publishers {
  padding: 80px 0;
}

.advertisers {
  background: white;
}

.publishers {
  background: #f8f9fa;
}

.section-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  align-items: start;
}

.section-text h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
  color: #2c3e50;
  font-weight: 700;
}

.section-text p {
  font-size: 1.2rem;
  color: #666;
  margin-bottom: 30px;
  line-height: 1.6;
}

.features-grid {
  display: grid;
  gap: 30px;
}

.feature-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.feature-icon {
  color: #e67e22;
  flex-shrink: 0;
  margin-top: 5px;
}

.feature-item h4 {
  font-size: 1.3rem;
  margin-bottom: 10px;
  color: #2c3e50;
  font-weight: 600;
}

.feature-item p {
  color: #666;
  line-height: 1.6;
}

/* About Section */
.about {
  padding: 80px 0;
  background: white;
}

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

.about-content p {
  font-size: 1.2rem;
  color: #666;
  line-height: 1.8;
}

/* Contact Section */
.contact {
  padding: 80px 0;
  background: #f8f9fa;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
}

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

.contact-item h4 {
  font-size: 1.3rem;
  margin-bottom: 15px;
  color: #2c3e50;
  font-weight: 600;
}

.contact-item a {
  color: #e67e22;
  text-decoration: none;
  font-weight: 500;
}

.contact-item a:hover {
  text-decoration: underline;
}

.contact-item p {
  color: #666;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-top: 10px;
}

.social-link img {
  width: 32px;
  height: 32px;
  transition: transform 0.3s ease;
}

.social-link:hover img {
  transform: scale(1.1);
}

/* Payment Methods */
.payment-methods {
  padding: 60px 0;
  background: white;
  text-align: center;
}

.payment-methods h3 {
  font-size: 1.5rem;
  margin-bottom: 30px;
  color: #2c3e50;
  font-weight: 600;
}

.payment-icons {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}

.payment-icons img {
  height: 40px;
  width: auto;
  opacity: 0.7;
  transition: opacity 0.3s ease;
}

.payment-icons img:hover {
  opacity: 1;
}

/* Footer */
.footer {
  background: #2c3e50;
  color: white;
  padding: 40px 0;
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.footer-links a {
  color: #bdc3c7;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: white;
}

.copyright {
  color: #95a5a6;
  font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: white;
    flex-direction: column;
    justify-content: flex-start;
    padding-top: 50px;
    transition: left 0.3s ease;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  }

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

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
  }

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

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .hero-card {
    padding: 30px 20px;
  }

  .hero-card h2 {
    font-size: 1.5rem;
  }

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

  .section-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .section-text h2 {
    font-size: 2rem;
  }

  .ad-types-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .payment-icons {
    gap: 20px;
  }

  .payment-icons img {
    height: 32px;
  }

  .footer-links {
    flex-direction: column;
    gap: 15px;
  }

  .cookie-content {
    flex-direction: column;
    text-align: center;
    gap: 15px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }

  .nav-container {
    padding: 0 15px;
  }

  .hero {
    padding: 100px 0 60px;
  }

  .hero-card {
    padding: 25px 15px;
  }

  .ad-type-card {
    padding: 30px 20px;
  }

  .section-title {
    font-size: 1.8rem;
    margin-bottom: 40px;
  }

  .section-text h2 {
    font-size: 1.8rem;
  }

  .cta-btn {
    padding: 12px 25px;
    font-size: 0.9rem;
  }
}