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

:root {
  --bg: #ffffff;
  --bg-alt: #f8f9fa;
  --text: #1a1a2e;
  --text-muted: #6b7280;
  --accent: #6c5ce7;
  --accent-hover: #5a4bd1;
  --border: #e5e7eb;
  --green: #10b981;
  --radius: 12px;
}

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

.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* Navbar */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}
.nav-content { display: flex; align-items: center; justify-content: space-between; }
.logo { font-size: 1.5rem; font-weight: 800; color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a { text-decoration: none; color: var(--text-muted); font-size: 0.95rem; font-weight: 500; transition: color 0.2s; }
.nav-links a:hover { color: var(--text); }

/* Buttons */
.btn {
  display: inline-block; padding: 12px 28px; border-radius: 8px;
  font-weight: 600; font-size: 0.95rem; text-decoration: none;
  transition: all 0.2s; cursor: pointer; border: none;
}
.btn-sm { padding: 8px 20px; font-size: 0.85rem; }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }
.btn-full { width: 100%; text-align: center; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--accent); border: 2px solid var(--accent); }
.btn-outline:hover { background: var(--accent); color: #fff; }

/* Hero */
.hero {
  padding: 160px 0 100px;
  text-align: center;
  background: linear-gradient(180deg, #f0edff 0%, var(--bg) 100%);
}
.badge {
  display: inline-block; padding: 6px 16px; border-radius: 20px;
  background: rgba(108,92,231,0.1); color: var(--accent);
  font-size: 0.85rem; font-weight: 600; margin-bottom: 24px;
}
.hero h1 { font-size: 3.2rem; font-weight: 800; line-height: 1.15; margin-bottom: 20px; }
.highlight { color: var(--accent); }
.hero-sub { font-size: 1.2rem; color: var(--text-muted); max-width: 600px; margin: 0 auto 36px; }
.hero-buttons { display: flex; gap: 16px; justify-content: center; }

/* Features */
.features { padding: 100px 0; }
.features h2, .pricing h2, .download h2 { text-align: center; font-size: 2.2rem; font-weight: 800; margin-bottom: 12px; }
.section-sub { text-align: center; color: var(--text-muted); font-size: 1.1rem; margin-bottom: 60px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.feature-card {
  padding: 32px; border-radius: var(--radius); border: 1px solid var(--border);
  transition: transform 0.2s, box-shadow 0.2s;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,0.06); }
.feature-icon { font-size: 2rem; margin-bottom: 16px; }
.feature-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.feature-card p { color: var(--text-muted); font-size: 0.95rem; }

/* Pricing */
.pricing { padding: 100px 0; background: var(--bg-alt); }
.pricing-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.price-card {
  background: var(--bg); border-radius: var(--radius); padding: 32px 28px;
  border: 1px solid var(--border); display: flex; flex-direction: column;
  position: relative; transition: transform 0.2s, box-shadow 0.2s;
}
.price-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,0.06); }
.price-card.popular { border: 2px solid var(--accent); }
.popular-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--accent); color: #fff; padding: 4px 16px; border-radius: 20px;
  font-size: 0.8rem; font-weight: 600; white-space: nowrap;
}
.tier-name { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.tier-price { font-size: 2.5rem; font-weight: 800; margin-bottom: 4px; }
.tier-price span { font-size: 1rem; font-weight: 500; color: var(--text-muted); }
.tier-desc { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 24px; }
.perks { list-style: none; margin-bottom: 28px; flex: 1; }
.perks li {
  padding: 8px 0; font-size: 0.9rem; color: var(--text-muted);
  padding-left: 24px; position: relative;
}
.perks li.included::before {
  content: '\2713'; position: absolute; left: 0; color: var(--green); font-weight: 700;
}

/* Download */
.download { padding: 100px 0; text-align: center; }
.download-note { margin-top: 16px; color: var(--text-muted); font-size: 0.9rem; }

/* Footer */
footer { padding: 40px 0; border-top: 1px solid var(--border); }
.footer-content { display: flex; align-items: center; justify-content: space-between; }
.footer-brand { font-weight: 800; color: var(--accent); font-size: 1.1rem; }
.footer-copy { color: var(--text-muted); font-size: 0.85rem; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { color: var(--text-muted); text-decoration: none; font-size: 0.85rem; }
.footer-links a:hover { color: var(--text); }

/* Responsive */
@media (max-width: 900px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 2.2rem; }
}
@media (max-width: 600px) {
  .feature-grid, .pricing-grid { grid-template-columns: 1fr; }
  .hero { padding: 120px 0 60px; }
  .hero h1 { font-size: 1.8rem; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .nav-links a:not(.btn) { display: none; }
  .footer-content { flex-direction: column; gap: 16px; text-align: center; }
}