:root {
  --primary-bg: #0a0a0a;
  --secondary-bg: #1a1a1a;
  --card-bg: #2a2a2a;
  --accent-blue: #007aff;
  --accent-green: #30d158;
  --brand-teal: #48d1cc;
  --text-primary: #f5f5f7;
  --text-secondary: #a1a1a6;
  --border-color: #424245;
  --gradient-primary: linear-gradient(135deg, #007aff 0%, #5856d6 100%);
  --gradient-secondary: linear-gradient(135deg, #30d158 0%, #32d74b 100%);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--primary-bg);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(26, 26, 26, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  padding: 0 5%;
  transition: background 0.3s ease;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--brand-teal);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  letter-spacing: -0.02em;
}

.logo-image {
  width: 32px;
  height: 32px;
}

.logo > *:not(.logo-image) {
  color: var(--brand-teal);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-links a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color 0.3s ease;
  font-weight: 500;
}

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

.cta-button {
  background: var(--gradient-primary);
  color: white;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cta-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 25px rgba(0, 122, 255, 0.3);
}

/* Hero Section */
.hero {
  padding: 8rem 5% 4rem;
  text-align: center;
  background: radial-gradient(
    ellipse at center,
    rgba(0, 122, 255, 0.1) 0%,
    transparent 70%
  );
}

.hero-container {
  max-width: 1000px;
  margin: 0 auto;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  margin-bottom: 1.5rem;
  background: linear-gradient(
    135deg,
    var(--text-primary) 0%,
    var(--accent-blue) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-weight: 400;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 4rem;
}

.primary-cta {
  background: var(--gradient-primary);
  color: white;
  padding: 1rem 2rem;
  border: none;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
}

.primary-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 35px rgba(0, 122, 255, 0.4);
}

.secondary-cta {
  background: transparent;
  color: var(--text-primary);
  padding: 1rem 2rem;
  border: 2px solid var(--border-color);
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
}

.secondary-cta:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

.hero-visual {
  margin-top: 3rem;
}

.platform-image {
  max-width: 100%;
  height: auto;
  border-radius: 20px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

/* Stats Section */
.stats {
  padding: 4rem 5%;
  background: var(--secondary-bg);
}

.stats-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.stat-card {
  text-align: center;
  padding: 2.5rem 1.5rem;
  background: var(--card-bg);
  border-radius: 20px;
  border: 1px solid var(--border-color);
  transition: transform 0.3s ease, border-color 0.3s ease;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 160px;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-blue);
}

.stat-card:hover::before {
  opacity: 1;
}

.stat-number {
  font-size: clamp(2.2rem, 3.5vw, 2.8rem);
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.75rem;
  line-height: 1.1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.4;
  max-width: 100%;
  word-wrap: break-word;
}

/* Features Section */
.features {
  padding: 6rem 5%;
}

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

.section-title {
  text-align: center;
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.section-subtitle {
  text-align: center;
  font-size: 1.3rem;
  color: var(--text-secondary);
  margin-bottom: 4rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 3rem;
  margin-bottom: 6rem;
}

.feature-card {
  padding: 3rem;
  background: var(--card-bg);
  border-radius: 25px;
  border: 1px solid var(--border-color);
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-blue);
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
}

.feature-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.feature-description {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Security Section */
.security {
  padding: 6rem 5%;
  background: var(--secondary-bg);
}

.security-container {
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
}

.security-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--gradient-secondary);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 25px;
  font-weight: 600;
  margin-bottom: 2rem;
}

.security-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.security-description {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
}

.security-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-bottom: 3rem;
}

.security-feature {
  padding: 1.5rem;
  background: var(--card-bg);
  border-radius: 15px;
  border: 1px solid var(--border-color);
  transition: transform 0.3s ease;
}

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

.security-feature-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.security-feature-title {
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.security-feature-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Pricing Section */
.pricing {
  padding: 6rem 5%;
}

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

.pricing-card {
  background: var(--card-bg);
  border: 2px solid var(--accent-blue);
  border-radius: 25px;
  padding: 3rem;
  position: relative;
  overflow: hidden;
}

.pricing-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
}

.pricing-badge {
  background: var(--gradient-primary);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 25px;
  font-weight: 600;
  margin-bottom: 2rem;
  display: inline-block;
}

.pricing-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.pricing-price {
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent-blue);
  margin-bottom: 0.5rem;
}

.pricing-period {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.pricing-features {
  list-style: none;
  margin-bottom: 3rem;
  text-align: left;
}

.pricing-features li {
  padding: 0.5rem 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pricing-features li::before {
  content: "✓";
  color: var(--accent-green);
  font-weight: bold;
}

/* Footer */
.footer {
  background: var(--secondary-bg);
  padding: 3rem 5% 2rem;
  border-top: 1px solid var(--border-color);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.footer-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: #48d1cc;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  letter-spacing: -0.02em;
  margin-bottom: 2rem;
}

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

.footer-logo > *:not(.footer-logo-image) {
  color: #48d1cc;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.footer-description {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* Scroll Animations */
.scroll-fade {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease;
}

.scroll-fade.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .hero {
    padding: 6rem 5% 3rem;
  }

  .stats-container {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .security-features {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

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

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

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

  .hero h1 {
    font-size: 2.5rem;
  }
}

@media (max-width: 480px) {
  .nav-container {
    padding: 0.5rem 0;
  }

  .hero {
    padding: 5rem 5% 2rem;
  }

  .stats-container {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .stat-card {
    padding: 2rem 1rem;
    min-height: 140px;
  }

  .stat-number {
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
  }

  .stat-label {
    font-size: 0.95rem;
  }

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

/* Performance optimizations */
.platform-image {
  will-change: transform;
}

.feature-card,
.stat-card,
.security-feature {
  will-change: transform;
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus styles for accessibility */
a:focus,
button:focus {
  outline: 2px solid var(--accent-blue);
  outline-offset: 2px;
}