/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --text-primary: #0f172a;
  --text-secondary: #64748b;
  --border-color: #e2e8f0;
  --accent: #3b82f6;
  --accent-dark: #2563eb;
  --accent-light: #dbeafe;
  --success: #10b981;
  --card-bg: rgba(255, 255, 255, 0.7);
  --card-border: rgba(226, 232, 240, 0.8);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
}

[data-theme="dark"] {
  --bg-primary: #0a0f1e;
  --bg-secondary: #111827;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --border-color: #1e293b;
  --accent: #60a5fa;
  --accent-dark: #3b82f6;
  --accent-light: #1e3a8a;
  --success: #34d399;
  --card-bg: rgba(17, 24, 39, 0.6);
  --card-border: rgba(30, 41, 59, 0.8);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.6);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color 0.3s ease, color 0.3s ease;
  position: relative;
  overflow-x: hidden;
}

/* Background Layers */
.bg-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
}

.gradient-bg {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: 
    radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.12) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 80%, rgba(59, 130, 246, 0.08) 0%, transparent 50%);
  animation: gradientFloat 20s ease-in-out infinite;
}

[data-theme="dark"] .gradient-bg {
  background: 
    radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.06) 0%, transparent 50%),
    radial-gradient(circle at 40% 80%, rgba(59, 130, 246, 0.05) 0%, transparent 50%);
}

@keyframes gradientFloat {
  0%, 100% {
    transform: translate(0, 0) rotate(0deg);
  }
  33% {
    transform: translate(5%, -5%) rotate(120deg);
  }
  66% {
    transform: translate(-5%, 5%) rotate(240deg);
  }
}

.grid-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(var(--border-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-color) 1px, transparent 1px);
  background-size: 50px 50px;
  opacity: 0.3;
  animation: gridPulse 4s ease-in-out infinite;
}

@keyframes gridPulse {
  0%, 100% {
    opacity: 0.3;
  }
  50% {
    opacity: 0.15;
  }
}

#particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* Header */
header {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border-color);
  backdrop-filter: blur(12px) saturate(180%);
  background-color: rgba(255, 255, 255, 0.7);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: all 0.3s ease;
}

[data-theme="dark"] header {
  background-color: rgba(10, 15, 30, 0.7);
}

.header-content {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.shield-icon {
  width: 32px;
  height: 32px;
  color: var(--accent);
  filter: drop-shadow(0 0 8px rgba(59, 130, 246, 0.3));
  animation: shieldPulse 3s ease-in-out infinite;
}

@keyframes shieldPulse {
  0%, 100% {
    transform: scale(1);
    filter: drop-shadow(0 0 8px rgba(59, 130, 246, 0.3));
  }
  50% {
    transform: scale(1.05);
    filter: drop-shadow(0 0 12px rgba(59, 130, 246, 0.5));
  }
}

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

.btn-ghost {
  padding: 0.625rem 1.25rem;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  color: var(--text-primary);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-ghost:hover {
  background: var(--card-bg);
  border-color: var(--accent);
  transform: translateY(-1px);
}

/* Main Content */
main {
  flex: 1;
  padding: 4rem 2rem;
}

.hero {
  max-width: 1280px;
  margin: 0 auto;
}

/* Status Badge */
.status-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
  animation: fadeInDown 0.6s ease-out;
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: linear-gradient(135deg, var(--accent-light), var(--accent));
  color: white;
  border-radius: 2rem;
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.status-dot {
  width: 8px;
  height: 8px;
  background: white;
  border-radius: 50%;
  animation: statusPulse 2s ease-in-out infinite;
}

@keyframes statusPulse {
  0%, 100% {
    opacity: 1;
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.7);
  }
  50% {
    opacity: 0.7;
    box-shadow: 0 0 0 6px rgba(255, 255, 255, 0);
  }
}

.launch-eta {
  padding: 0.5rem 1rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 2rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  backdrop-filter: blur(10px);
}

/* Hero Title */
.hero-title {
  text-align: center;
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.title-line {
  display: block;
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent) 0%, #8b5cf6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}

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

/* Subtitle */
.subtitle {
  text-align: center;
  font-size: 1.25rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 4rem;
  max-width: 48rem;
  margin-left: auto;
  margin-right: auto;
  animation: fadeInUp 0.8s ease-out 0.3s both;
}

/* Section Header */
.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.section-header p {
  font-size: 1.125rem;
  color: var(--text-secondary);
}

/* Feature Grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-bottom: 5rem;
  animation: fadeInUp 0.8s ease-out 0.5s both;
}

.feature-card {
  padding: 2rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 1.25rem;
  backdrop-filter: blur(10px);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
  opacity: 0;
  transition: opacity 0.4s ease;
}

.feature-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-xl);
  border-color: var(--accent);
}

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

.feature-icon {
  width: 56px;
  height: 56px;
  margin-bottom: 1.5rem;
  padding: 0.75rem;
  background: linear-gradient(135deg, var(--accent-light), var(--accent));
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 8px 20px rgba(59, 130, 246, 0.4);
}

.feature-icon svg {
  width: 100%;
  height: 100%;
  color: white;
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
  position: relative;
  z-index: 1;
}

.feature-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.feature-tag {
  display: inline-block;
  padding: 0.375rem 0.75rem;
  background: var(--accent-light);
  color: var(--accent);
  border-radius: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  position: relative;
  z-index: 1;
}

[data-theme="dark"] .feature-tag {
  background: rgba(59, 130, 246, 0.2);
  color: var(--accent);
}

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

.footer-content {
  max-width: 1280px;
  margin: 0 auto;
  text-align: center;
}

.footer-left {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: center;
}

.logo-small {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-primary);
}

.logo-small .shield-icon {
  width: 20px;
  height: 20px;
}

.footer-content p {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .feature-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

@media (max-width: 768px) {
  .header-content {
    padding: 0 1.5rem;
  }

  .logo {
    font-size: 1.25rem;
  }

  .shield-icon {
    width: 28px;
    height: 28px;
  }

  .title-line {
    font-size: 2.5rem;
  }

  .subtitle {
    font-size: 1.125rem;
  }

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

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

  main {
    padding: 2rem 1.5rem;
  }
}

@media (max-width: 480px) {
  .title-line {
    font-size: 2rem;
  }

  .subtitle {
    font-size: 1rem;
  }

  .status-container {
    flex-direction: column;
    gap: 0.5rem;
  }

  .feature-card {
    padding: 1.5rem;
  }

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