* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  user-select: none;
  -webkit-user-drag: none;
  -moz-user-drag: none;
  -ms-user-drag: none;
}

:root {
  --primary: #FFD93D;
  --primary-dark: #F5C518;
  --accent: #6B4423;
  --accent-light: #8B5A2B;
  --bg-dark: #0D0D0D;
  --bg-card: #1A1A1A;
  --bg-card-hover: #242424;
  --text: #FFFFFF;
  --text-muted: #A0A0A0;
  --gradient: linear-gradient(135deg, #FFD93D 0%, #F5C518 100%);
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: var(--bg-dark);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

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

.landing {
  min-height: 100vh;
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(13, 13, 13, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 217, 61, 0.1);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 40px;
  height: 40px;
}

.logo-text {
  font-size: 24px;
  font-weight: 800;
  color: var(--primary);
}

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

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

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

.btn-nav {
  background: var(--gradient);
  color: var(--accent) !important;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600;
}

.hero {
  position: relative;
  padding: 160px 0 100px;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(255, 217, 61, 0.15), transparent),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(107, 68, 35, 0.1), transparent);
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  background: rgba(255, 217, 61, 0.1);
  border: 1px solid rgba(255, 217, 61, 0.3);
  padding: 8px 16px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 24px;
}

.hero-title {
  font-size: 56px;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
}

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 18px;
  color: var(--text-muted);
  margin-bottom: 40px;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--gradient);
  color: var(--accent);
  padding: 16px 32px;
  border-radius: 12px;
  font-size: 18px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.3s, box-shadow 0.3s;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 40px rgba(255, 217, 61, 0.3);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  padding: 16px 32px;
  border: 2px solid rgba(255, 255, 255, 0.1);
  color: var(--text);
  border-radius: 12px;
  font-size: 18px;
  font-weight: 600;
  text-decoration: none;
  transition: border-color 0.3s, background 0.3s;
}

.btn-secondary:hover {
  border-color: var(--primary);
  background: rgba(255, 217, 61, 0.05);
}

.hero-stats {
  display: flex;
  gap: 40px;
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: 32px;
  font-weight: 800;
  color: var(--primary);
}

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

.hero-visual {
  position: relative;
  perspective: 1400px;
}

.hero-screen {
  display: block;
  width: 125%;
  height: auto;
  transform: rotateY(-12deg);
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.hero-screen:hover {
  transform: rotateY(-2deg);
}

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

.section-title {
  font-size: 42px;
  font-weight: 800;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 18px;
  color: var(--text-muted);
}

.features {
  padding: 100px 0;
}

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 20px;
  padding: 32px;
  transition: transform 0.3s, border-color 0.3s;
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: rgba(255, 217, 61, 0.3);
}

.feature-icon {
  margin-bottom: 20px;
}

.feature-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.feature-desc {
  color: var(--text-muted);
  font-size: 15px;
}

.how-it-works {
  padding: 100px 0;
  background: var(--bg-card);
}

.steps {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  position: relative;
  max-width: 300px;
}

.step-num {
  font-size: 48px;
  font-weight: 800;
  color: var(--primary);
  opacity: 0.3;
  line-height: 1;
}

.step-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-desc {
  color: var(--text-muted);
  font-size: 15px;
}

.step-arrow {
  position: absolute;
  right: -25px;
  top: 25px;
  color: var(--primary);
  opacity: 0.5;
}

.download {
  padding: 100px 0;
  text-align: center;
}

.download-title {
  font-size: 48px;
  font-weight: 800;
  margin-bottom: 16px;
}

.download-subtitle {
  font-size: 20px;
  color: var(--text-muted);
  margin-bottom: 40px;
}

.download-options {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.download-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: 20px 32px;
  border-radius: 16px;
  text-decoration: none;
  transition: border-color 0.3s, transform 0.3s;
}

.download-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
}

.download-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
}

.os-icon {
  width: 40px;
  height: 40px;
}

.download-os {
  font-weight: 600;
  color: var(--text);
}

.download-version {
  font-size: 13px;
  color: var(--text-muted);
}

.btn-download {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--gradient);
  color: var(--accent);
  padding: 20px 48px;
  border-radius: 16px;
  font-size: 20px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.3s, box-shadow 0.3s;
}

.btn-download:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 40px rgba(255, 217, 61, 0.3);
}

.download-note {
  margin-top: 20px;
  color: var(--text-muted);
  font-size: 14px;
}

.footer {
  padding: 40px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
}

.footer-text {
  color: var(--text-muted);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.3s;
}

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

/* Scroll reveal (AOS-like), only active when JS is ready */
html.aos-ready [data-aos] {
  opacity: 0;
  transition-property: opacity, transform;
  transition-duration: 800ms;
  transition-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}

html.aos-ready [data-aos="fade-up"] {
  transform: translate3d(0, 100px, 0);
}

html.aos-ready [data-aos="fade-left"] {
  transform: translate3d(100px, 0, 0);
}

html.aos-ready [data-aos].aos-animate {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

@media (prefers-reduced-motion: reduce) {
  html.aos-ready [data-aos] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

@media (max-width: 968px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-title {
    font-size: 40px;
  }

  .hero-desc {
    max-width: 100%;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .hero-visual {
    display: none;
  }

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

  .step-arrow {
    display: none;
  }

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

@media (max-width: 640px) {
  .nav-links a:not(.btn-nav) {
    display: none;
  }

  .hero-title {
    font-size: 32px;
  }

  .section-title {
    font-size: 28px;
  }
}