:root {
  --primary: #4361ee;
  --primary-dark: #3a56d4;
  --secondary: #7209b7;
  --accent: #f72585;
  --light: #f8f9fa;
  --dark: #212529;
  --gray: #6c757d;
  --success: #4cc9f0;
  --border-radius: 12px;
  --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: var(--dark);
  background-color: var(--light);
  background-image: radial-gradient(#4361ee15 1px, transparent 1px);
  background-size: 20px 20px;
}

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

/* Header Styles */
header {
  padding: 2rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo {
  width: 60px;
  height: 60px;
  border-radius: var(--border-radius);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 1.5rem;
  box-shadow: var(--shadow);
}

.logo-text h1 {
  font-size: 2rem;
  margin-bottom: 0.25rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-text p {
  color: var(--gray);
  font-size: 1rem;
}

.header-actions {
  display: flex;
  gap: 1rem;
}

/* Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

.btn-primary {
  background: var(--primary);
  color: white;
  box-shadow: 0 4px 6px rgba(67, 97, 238, 0.3);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(67, 97, 238, 0.4);
}

.btn-secondary {
  background: white;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-secondary:hover {
  background: rgba(67, 97, 238, 0.05);
}

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

.btn-accent:hover {
  background: #e21b74;
  transform: translateY(-2px);
}

.btn-success {
  background: #28a745;
  color: white;
}

.btn-success:hover {
  background: #218838;
  transform: translateY(-2px);
}

/* Hero Section */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  padding: 3rem 0;
}

@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

.hero-content h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero-content p {
  font-size: 1.2rem;
  color: var(--gray);
  margin-bottom: 2rem;
}

.hero-image {
  position: relative;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  width: 60%;
  margin-left: 6em;
}

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

.floating-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: white;
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.floating-badge::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
  100% {
    opacity: 1;
  }
}

/* Features Section */
.features {
  padding: 4rem 0;
}

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

.section-title h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.section-title p {
  color: var(--gray);
  max-width: 600px;
  margin: 0 auto;
}

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

.feature-card {
  background: white;
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-5px);
}

.feature-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--border-radius);
  background: rgba(67, 97, 238, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--primary);
  font-size: 1.5rem;
}

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

.feature-card p {
  color: var(--gray);
}

/* Installation Section */
.installation {
  padding: 4rem 0;
  background: white;
  border-radius: var(--border-radius);
  margin: 2rem 0;
}

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

.step {
  display: flex;
  gap: 1rem;
}

.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
}

.step-content h4 {
  margin-bottom: 0.5rem;
}

.step-content p {
  color: var(--gray);
}

.browsers {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
}

.browser-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem;
  border: 2px solid #e9ecef;
  border-radius: var(--border-radius);
  text-decoration: none;
  color: var(--dark);
  transition: var(--transition);
  min-width: 120px;
}

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

.browser-btn img {
  width: 40px;
  height: 40px;
}

/* Local Installation Section */
.local-installation {
  padding: 4rem 0;
}

.local-installation-content {
  background: white;
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.browser-tabs {
  display: flex;
  border-bottom: 1px solid #e9ecef;
  margin-bottom: 1.5rem;
}

.browser-tab {
  padding: 1rem 1.5rem;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  font-weight: 600;
}

.browser-tab.active {
  border-bottom-color: var(--primary);
  color: var(--primary);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.instructions {
  background: #f8f9fa;
  border-radius: var(--border-radius);
  padding: 1.5rem;
  margin-top: 1rem;
}

.instructions ol {
  padding-left: 1.5rem;
}

.instructions li {
  margin-bottom: 0.5rem;
}

.instructions code {
  background: #e9ecef;
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-family: monospace;
}

/* Open Source Section */
.open-source {
  padding: 4rem 0;
  text-align: center;
}

.open-source-content {
  max-width: 800px;
  margin: 0 auto;
}

.open-source h2 {
  margin-bottom: 1rem;
}

.open-source p {
  color: var(--gray);
  margin-bottom: 2rem;
}

.github-stats {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin: 2rem 0;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
}

.stat-label {
  color: var(--gray);
  font-size: 0.9rem;
}

/* Donation Section */
.donation {
  padding: 4rem 0;
  background: linear-gradient(135deg, #f8f9fa, #e9ecef);
  border-radius: var(--border-radius);
  margin: 2rem 0;
}

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

.donation h2 {
  margin-bottom: 1rem;
}

.donation p {
  color: var(--gray);
  margin-bottom: 2rem;
}

.donation-methods {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.donation-method {
  background: white;
  border-radius: var(--border-radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.donation-method:hover {
  transform: translateY(-5px);
}

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

.donation-method p {
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.min-amount {
  display: inline-block;
  background: #e9ecef;
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
}

/* FAQ Section */
.faq {
  padding: 4rem 0;
}

.faq-grid {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: 1rem;
  border: 1px solid #e9ecef;
  border-radius: var(--border-radius);
  overflow: hidden;
}

.faq-question {
  padding: 1.5rem;
  background: white;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
}

.faq-question::after {
  content: "+";
  font-size: 1.5rem;
  transition: var(--transition);
}

.faq-item.active .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 1.5rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
  padding: 0 1.5rem 1.5rem;
  max-height: 500px;
}

/* CTA Section */
.cta {
  padding: 4rem 0;
  text-align: center;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  border-radius: var(--border-radius);
  margin: 2rem 0;
}

.cta h2 {
  margin-bottom: 1rem;
}

.cta p {
  margin-bottom: 2rem;
  opacity: 0.9;
}

/* Footer */
footer {
  padding: 2rem 0;
  text-align: center;
  color: var(--gray);
  border-top: 1px solid #e9ecef;
  margin-top: 2rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1rem;
}

.footer-links a {
  color: var(--gray);
  text-decoration: none;
  transition: var(--transition);
}

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

/* Responsive Adjustments */
@media (max-width: 768px) {
  .header-actions {
    width: 100%;
    justify-content: center;
  }

  .github-stats {
    flex-direction: column;
    gap: 1rem;
  }

  .browsers {
    flex-wrap: wrap;
  }

  .browser-tabs {
    flex-direction: column;
  }

  .browser-tab {
    text-align: center;
  }
}