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

:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --accent: #22d3ee;
  --bg: #0f0f14;
  --bg-card: #18181f;
  --bg-card-hover: #1f1f28;
  --text: #f4f4f5;
  --text-muted: #a1a1aa;
  --border: rgba(255,255,255,0.08);
  --gradient: linear-gradient(135deg, #6366f1 0%, #22d3ee 100%);
}

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

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 30%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
              radial-gradient(circle at 70% 70%, rgba(34, 211, 238, 0.1) 0%, transparent 50%);
  animation: float 20s ease-in-out infinite;
  z-index: 0;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  50% { transform: translate(-2%, 2%) rotate(5deg); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-badge {
  display: inline-block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.hero-badge span {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 600;
}

h1 {
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 3vw, 1.4rem);
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 3rem;
  line-height: 1.7;
}

.hero-subtitle strong {
  color: var(--text);
}

.evidence-badge {
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: 12px;
  padding: 1rem 1.5rem;
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.evidence-badge p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin: 0;
  line-height: 1.6;
}

.evidence-badge strong {
  color: var(--text);
}

.evidence-badge em {
  color: var(--accent);
  font-style: normal;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border-radius: 12px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--gradient);
  color: white;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(99, 102, 241, 0.5);
}

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

.btn-secondary:hover {
  background: var(--bg-card-hover);
}

/* Section styles */
section {
  padding: 6rem 2rem;
}

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

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 500px;
  margin: 0 auto;
}

/* Partner Section */
.partner-section {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.partner-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

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

.partner-text h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.partner-text p {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 1rem;
  line-height: 1.8;
}

.partner-stats {
  display: flex;
  gap: 3rem;
  margin-top: 2rem;
}

@media (max-width: 768px) {
  .partner-stats {
    justify-content: center;
  }
}

.stat {
  text-align: left;
}

@media (max-width: 768px) {
  .stat {
    text-align: center;
  }
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

/* Features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 2rem;
  border-radius: 16px;
  transition: all 0.3s ease;
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(99, 102, 241, 0.3);
  transform: translateY(-4px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--gradient);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
}

.feature-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Screenshots */
.screenshots-section {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.phone-showcase {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.phone-frame {
  position: relative;
  border-radius: 36px;
  background: #000;
  padding: 12px;
  box-shadow: 0 25px 80px rgba(0,0,0,0.5);
}

.phone-frame img {
  height: 480px;
  border-radius: 28px;
  display: block;
}

.watch-showcase {
  display: flex;
  gap: 2rem;
  justify-content: center;
}

.watch-frame {
  position: relative;
}

.watch-frame img {
  height: 220px;
  border-radius: 44px;
  box-shadow: 0 15px 50px rgba(0,0,0,0.4);
}

/* How it works */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

@media (max-width: 900px) {
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 500px) {
  .steps-grid {
    grid-template-columns: 1fr;
  }
}

.step-card {
  text-align: center;
  padding: 2rem 1rem;
}

.step-number {
  width: 56px;
  height: 56px;
  background: var(--gradient);
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  color: white;
}

.step-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.step-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* CTA Section */
.cta-section {
  text-align: center;
  padding: 8rem 2rem;
}

.cta-section h2 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

.cta-section p {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

/* Footer */
footer {
  border-top: 1px solid var(--border);
  padding: 3rem 2rem;
  text-align: center;
}

.footer-links {
  display: flex;
  gap: 2rem;
  justify-content: center;
  margin-bottom: 1.5rem;
}

footer a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

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

.copyright {
  color: var(--text-muted);
  font-size: 0.85rem;
  opacity: 0.7;
}

/* Disclaimer */
.disclaimer {
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 12px;
  padding: 1.5rem 2rem;
  margin: 4rem auto;
  max-width: 800px;
  text-align: center;
}

.disclaimer p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Privacy page */
.privacy-page {
  min-height: 100vh;
  padding: 2rem;
}

.privacy-content {
  max-width: 700px;
  margin: 0 auto;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  text-decoration: none;
  margin-bottom: 3rem;
  transition: color 0.2s;
}

.back-link:hover {
  color: var(--text);
}

.privacy-content h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.effective-date {
  color: var(--text-muted);
  margin-bottom: 3rem;
}

.privacy-content h2 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  color: var(--text);
}

.privacy-content p {
  color: var(--text-muted);
  margin-bottom: 1rem;
  line-height: 1.8;
}

.privacy-content ul,
.privacy-content ol {
  color: var(--text-muted);
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

.privacy-content li {
  margin-bottom: 0.5rem;
  line-height: 1.7;
}

.privacy-content strong {
  color: var(--text);
}

.privacy-content a {
  color: var(--primary);
}