:root {
  --background: #000000;
  --surface: #0a0a0a;
  --surface-elevated: #111111;
  --border: #222222;
  --border-hover: #333333;
  --text-primary: #ffffff;
  --text-secondary: #888888;
  --accent: #0070f3;
  --accent-hover: #0060df;
  --success: #00c853;
  --danger: #f44336;
  --warning: #ff9800;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: var(--background);
  color: var(--text-primary);
  line-height: 1.6;
}

/* Navigation */
.nav {
  border-bottom: 1px solid var(--border);
  background: var(--background);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 18px;
}

.nav-logo img {
  width: 32px;
  height: 32px;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

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

/* Buttons */
.btn {
  padding: 8px 16px;
  border-radius: 6px;
  text-decoration: none;
  transition: all 0.2s;
  display: inline-block;
  font-weight: 500;
  border: none;
  cursor: pointer;
  font-size: 14px;
}

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

.btn-primary:hover {
  background: var(--accent-hover);
}

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

.btn-secondary:hover {
  border-color: var(--border-hover);
  background: var(--surface);
}

/* Hero Section */
.hero {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  padding: 120px 2rem 80px;
}

.hero h1 {
  font-size: 56px;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero p {
  font-size: 20px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 40px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
}

/* Sections */
.section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 2rem;
}

.section-title {
  font-size: 40px;
  text-align: center;
  margin-bottom: 16px;
  font-weight: 700;
}

.section-subtitle {
  text-align: center;
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 60px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px;
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: var(--border-hover);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--surface-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--accent);
}

.feature-card h3 {
  font-size: 20px;
  margin-bottom: 12px;
  font-weight: 600;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.6;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  margin-top: 120px;
  padding: 60px 2rem 40px;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 40px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 16px;
  font-size: 18px;
}

.footer-logo img {
  width: 32px;
  height: 32px;
}

.footer-section h4 {
  font-size: 14px;
  margin-bottom: 16px;
  color: var(--text-primary);
  font-weight: 600;
}

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

.footer-section ul li {
  margin-bottom: 12px;
}

.footer-section a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
}

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

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 40px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  color: var(--text-secondary);
  font-size: 14px;
}

/* Cookie Banner */
#cookie-banner {
  position: fixed;
  inset: auto 16px 16px auto;
  max-width: 420px;
  background: var(--surface-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  z-index: 1000;
  display: none;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

#cookie-banner.show {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

#cookie-banner h4 {
  font-size: 16px;
  margin: 0 0 10px 0;
  color: var(--text-primary);
}

#cookie-banner p {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0 0 14px 0;
  line-height: 1.5;
}

#cookie-banner a {
  color: var(--accent);
  text-decoration: none;
}

#cookie-banner a:hover {
  text-decoration: underline;
}

.cookie-buttons {
  display: flex;
  gap: 10px;
}

.cookie-buttons button {
  flex: 1;
  padding: 10px 12px;
  border-radius: 8px;
  border: none;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.cookie-accept {
  background: var(--accent);
  color: #fff;
}

.cookie-accept:hover {
  filter: brightness(1.05);
}

.cookie-decline {
  background: #1f2a36;
  color: #d7e0ea;
}

.cookie-decline:hover {
  filter: brightness(1.05);
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 40px;
  }

  .hero p {
    font-size: 18px;
  }

  .hero-cta {
    flex-direction: column;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .nav-links {
    display: none;
  }
}