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

:root {
  --purple: #867ae6;
  --green: #a9df20;
  --bg: #0e0e1a;
  --bg-card: #16162a;
  --border: #2a2a4a;
  --text: #e1e1e1;
  --text-muted: #969696;
  --radius: 12px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(14, 14, 26, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
}

.logo-text {
  white-space: nowrap;
}

.nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

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

.nav a:hover {
  color: #fff;
}

.btn-install {
  padding: 8px 20px;
  background: var(--purple);
  color: #fff !important;
  border-radius: 8px;
  font-weight: 600;
  transition: opacity 0.2s;
}

.btn-install:hover {
  opacity: 0.9;
}

/* Burger */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 101;
}

.burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 1px;
  transition: transform 0.3s, opacity 0.3s;
}

.burger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.burger.open span:nth-child(2) {
  opacity: 0;
}

.burger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Hero */
.hero {
  padding: 160px 0 60px;
  text-align: center;
}

.hero h1 {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #fff 0%, var(--purple) 50%, var(--green) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 540px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.btn-cta {
  display: inline-block;
  padding: 14px 32px;
  background: var(--purple);
  color: #fff;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(134, 122, 230, 0.3);
}

/* Features */
.features {
  padding: 80px 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: var(--purple);
}

.feature-icon {
  font-size: 28px;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  color: #fff;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* CTA Section */
.cta-section {
  padding: 80px 0;
  text-align: center;
}

.cta-section h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 32px;
  color: #fff;
}

/* Footer */
.footer {
  padding: 32px 0;
  border-top: 1px solid var(--border);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13px;
}

.footer-links a:hover {
  color: #fff;
}

/* Policy */
.policy {
  padding: 120px 0 80px;
}

.policy h1 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 8px;
}

.policy .updated {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 40px;
}

.policy h2 {
  font-size: 20px;
  font-weight: 700;
  margin-top: 36px;
  margin-bottom: 12px;
}

.policy p, .policy ul {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 16px;
}

.policy ul {
  padding-left: 20px;
}

.policy li {
  margin-bottom: 8px;
}

.policy a {
  color: var(--purple);
  text-decoration: none;
}

.policy a:hover {
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
  .logo svg {
    width: 30px;
    height: 30px;
  }

  .logo-text {
    font-size: 14px;
  }

  .burger {
    display: flex;
  }

  .nav {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: center;
    gap: 0;
    background: rgba(14, 14, 26, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 12px 0;
  }

  .nav.open {
    display: flex;
    height: 100vh;
  }

  .nav a {
    width: 100%;
    text-align: center;
    padding: 14px 24px;
    font-size: 15px;
  }

  .nav .btn-install {
    margin: 8px 24px 4px;
    width: calc(100% - 48px);
    text-align: center;
    padding: 12px 20px;
    border-radius: 8px;
  }

  .hero h1 {
    font-size: 32px;
  }

  .hero-sub {
    font-size: 16px;
  }

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

  .cta-section h2 {
    font-size: 22px;
  }
}
