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

:root {
  --primary: #FF6B35;
  --primary-dark: #E55A2B;
  --bg-dark: #0a0a0a;
  --bg-card: #141414;
  --bg-card-hover: #1a1a1a;
  --text-primary: #ffffff;
  --text-secondary: #a0a0a0;
  --text-muted: #666666;
  --border: #2a2a2a;
  --success: #22c55e;
  --gradient: linear-gradient(135deg, #FF6B35 0%, #FF8F5A 100%);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  padding: 16px 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 18px;
}

.nav-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 14px;
  transition: color 0.2s;
}

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

.nav-cta {
  background: var(--gradient);
  color: var(--text-primary) !important;
  padding: 10px 20px;
  border-radius: 8px;
}

.nav-cta:hover {
  opacity: 0.9;
}

.hero {
  padding: 160px 24px 80px;
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  min-height: 100vh;
}

.hero-badge {
  display: inline-block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 56px;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  background: linear-gradient(135deg, #fff 0%, #ccc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 500px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--gradient);
  color: var(--text-primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(255, 107, 53, 0.3);
}

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

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--text-muted);
}

.hero-note {
  font-size: 14px;
  color: var(--text-muted);
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.phone-mockup {
  width: 280px;
  height: 560px;
  background: var(--bg-card);
  border-radius: 40px;
  border: 4px solid var(--border);
  padding: 12px;
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.5);
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, #1a1a2e 0%, #0f0f1a 100%);
  border-radius: 28px;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.app-preview {
  width: 120px;
  height: 120px;
  border-radius: 24px;
}

.features {
  padding: 100px 0;
  background: var(--bg-dark);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 16px;
}

.section-header p {
  font-size: 18px;
  color: var(--text-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  transition: all 0.3s;
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--text-muted);
  transform: translateY(-4px);
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: rgba(255, 107, 53, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 20px;
}

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

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

.stat-my-kid {
  padding: 100px 0;
  background: linear-gradient(180deg, var(--bg-dark) 0%, #0f0f1a 100%);
}

.smk-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.section-badge {
  display: inline-block;
  background: rgba(255, 107, 53, 0.1);
  color: var(--primary);
  padding: 8px 16px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
}

.smk-text h2 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 16px;
}

.smk-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.smk-features {
  list-style: none;
}

.smk-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  font-size: 16px;
  color: var(--text-secondary);
}

.smk-features li svg {
  color: var(--success);
  flex-shrink: 0;
}

.smk-image {
  display: flex;
  justify-content: center;
}

.stat-card-preview {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
  width: 280px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.stat-card-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.player-avatar {
  width: 60px;
  height: 60px;
  background: var(--gradient);
  border-radius: 50%;
}

.player-info {
  display: flex;
  flex-direction: column;
}

.player-name {
  font-size: 18px;
  font-weight: 600;
}

.player-number {
  font-size: 14px;
  color: var(--text-muted);
}

.stat-card-stats {
  display: flex;
  justify-content: space-between;
}

.stat-item {
  text-align: center;
}

.stat-value {
  display: block;
  font-size: 32px;
  font-weight: 700;
  color: var(--primary);
}

.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.grades {
  padding: 100px 0;
  background: var(--bg-dark);
}

.grades-content {
  display: flex;
  align-items: center;
  gap: 80px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 60px;
}

.grades-visual {
  display: flex;
  gap: 16px;
  flex-shrink: 0;
}

.grade-badge {
  width: 80px;
  height: 80px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 800;
}

.grade-a {
  background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
}

.grade-b {
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
}

.grade-c {
  background: linear-gradient(135deg, #eab308 0%, #ca8a04 100%);
}

.grades-text h2 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 16px;
}

.grades-text p {
  font-size: 16px;
  color: var(--text-secondary);
}

.download {
  padding: 100px 0;
  background: linear-gradient(180deg, #0f0f1a 0%, var(--bg-dark) 100%);
}

.download-content {
  text-align: center;
}

.download-icon {
  width: 80px;
  height: 80px;
  border-radius: 20px;
  margin-bottom: 24px;
}

.download h2 {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 16px;
}

.download > .container > .download-content > p {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.download-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 16px;
}

.store-badge {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 12px 24px;
  border-radius: 12px;
  text-decoration: none;
  color: var(--text-primary);
  transition: all 0.2s;
}

.store-badge:hover {
  background: var(--bg-card-hover);
  border-color: var(--text-muted);
}

.store-text {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.store-small {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.store-large {
  font-size: 18px;
  font-weight: 600;
}

.coming-soon {
  font-size: 14px;
  color: var(--text-muted);
}

.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}

.footer-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.footer-links {
  display: flex;
  gap: 32px;
}

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

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

.footer-copy {
  font-size: 14px;
  color: var(--text-muted);
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: 120px;
  }
  
  .hero h1 {
    font-size: 40px;
  }
  
  .hero-subtitle {
    max-width: 100%;
  }
  
  .hero-cta {
    justify-content: center;
    flex-wrap: wrap;
  }
  
  .hero-image {
    order: -1;
  }
  
  .phone-mockup {
    width: 220px;
    height: 440px;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .smk-content {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  
  .smk-text h2 {
    font-size: 36px;
  }
  
  .smk-features li {
    justify-content: center;
  }
  
  .grades-content {
    flex-direction: column;
    text-align: center;
    padding: 40px;
  }
  
  .download-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .nav-links {
    display: none;
  }
}