@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
  --bg-dark: #07050f;
  --bg-card: rgba(22, 18, 41, 0.55);
  --bg-card-hover: rgba(28, 23, 52, 0.7);
  --border-color: rgba(255, 255, 255, 0.07);
  --border-focus: rgba(139, 92, 246, 0.4);
  
  --primary: #8b5cf6;
  --primary-glow: rgba(139, 92, 246, 0.3);
  --secondary: #ec4899;
  --secondary-glow: rgba(236, 72, 153, 0.3);
  --accent: #6366f1;
  
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.1) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(236, 72, 153, 0.08) 0%, transparent 40%);
  background-attachment: fixed;
  line-height: 1.6;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

header {
  padding: 1.5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  z-index: 10;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--text-primary);
}

.logo svg {
  width: 32px;
  height: 32px;
  fill: none;
  stroke: var(--primary);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 0 8px var(--primary-glow));
}

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

.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  transition: var(--transition-smooth);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
  text-shadow: 0 0 10px var(--primary-glow);
}

/* Hero Section */
.hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 2rem;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 4rem;
  position: relative;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.badge {
  align-self: flex-start;
  background: rgba(139, 92, 246, 0.15);
  border: 1px solid rgba(139, 92, 246, 0.3);
  color: #c084fc;
  padding: 0.35rem 1rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.hero-title span {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 540px;
}

.cta-group {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.85rem 1.75rem;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition-smooth);
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: white;
  border: none;
  box-shadow: 0 4px 20px rgba(139, 92, 246, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(139, 92, 246, 0.5);
}

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

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.hero-media {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero-media::before {
  content: '';
  position: absolute;
  width: 80%;
  height: 80%;
  background: radial-gradient(circle, var(--primary-glow) 0%, transparent 60%);
  z-index: -1;
  filter: blur(40px);
}

.hero-img {
  max-width: 100%;
  border-radius: 24px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--border-color);
  transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
  transition: var(--transition-smooth);
}

.hero-img:hover {
  transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

/* Features Grid */
.features-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 6rem 2rem;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
}

.section-subtitle {
  color: var(--text-secondary);
  max-width: 600px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 2.5rem 2rem;
  transition: var(--transition-smooth);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  opacity: 0;
  transition: var(--transition-smooth);
}

.feature-card:hover {
  transform: translateY(-6px);
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

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

.feature-icon {
  width: 48px;
  height: 48px;
  background: rgba(139, 92, 246, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.feature-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--primary);
  stroke-width: 2;
  fill: none;
}

.feature-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.feature-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Interactive Simulator Section */
.simulator-section {
  background: rgba(13, 10, 28, 0.4);
  padding: 6rem 2rem;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.simulator-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 4rem;
  align-items: center;
}

.phone-mockup {
  width: 320px;
  height: 640px;
  background: #0f0c22;
  border: 12px solid #282442;
  border-radius: 40px;
  margin: 0 auto;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.05);
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
}

.phone-screen {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: #0a0815;
  padding: 1.25rem;
  overflow-y: auto;
  position: relative;
}

.phone-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.phone-header .logo-mini {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 700;
  color: var(--primary);
}

.phone-app-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.mock-input-area {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.mock-textarea {
  width: 100%;
  height: 90px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 0.75rem;
  color: white;
  font-family: var(--font-family);
  font-size: 0.9rem;
  resize: none;
  outline: none;
  transition: var(--transition-smooth);
}

.mock-textarea:focus {
  border-color: var(--primary);
  background: rgba(139, 92, 246, 0.05);
}

.mock-btn {
  background: var(--primary);
  color: white;
  border: none;
  padding: 0.7rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.mock-btn:hover {
  background: #7c3aed;
}

.mock-pulses-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex: 1;
  overflow-y: auto;
}

.mock-pulse-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  padding: 0.85rem;
  position: relative;
  animation: slideIn 0.3s ease;
}

.mock-pulse-time {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.mock-pulse-text {
  font-size: 0.9rem;
  color: var(--text-primary);
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.qr-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 8, 21, 0.95);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  z-index: 10;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-smooth);
}

.qr-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.qr-box {
  background: white;
  padding: 1rem;
  border-radius: 16px;
  margin-bottom: 1.5rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
}

.qr-placeholder {
  width: 160px;
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.qr-overlay-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  text-align: center;
}

.qr-overlay-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 1.5rem;
}

/* Privacy Policy Layout */
.privacy-container {
  max-width: 800px;
  margin: 4rem auto;
  padding: 0 2rem;
}

.privacy-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 3.5rem 3rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.privacy-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.privacy-date {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
}

.privacy-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 2rem 0 1rem 0;
  color: var(--text-primary);
}

.privacy-content p {
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  line-height: 1.7;
}

.privacy-content ul {
  list-style-type: disc;
  margin-left: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
}

.privacy-content li {
  margin-bottom: 0.5rem;
}

/* Footer */
footer {
  border-top: 1px solid var(--border-color);
  padding: 3rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

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

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

/* Responsive design */
@media (max-width: 968px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
    padding: 2rem 2rem 4rem 2rem;
  }
  
  .badge {
    align-self: center;
  }
  
  .hero-description {
    margin: 0 auto;
  }
  
  .cta-group {
    justify-content: center;
  }
  
  .simulator-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .simulator-container .hero-content {
    text-align: center;
  }
}

@media (max-width: 640px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .privacy-card {
    padding: 2rem 1.5rem;
  }
  
  footer {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }
}