@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

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

:root {
  --bg: #0a0a0a;
  --bg-card: #141414;
  --bg-card-hover: #1a1a1a;
  --accent: #4f46e5;
  --accent-light: #6366f1;
  --text: #f0f0f0;
  --text-muted: #9ca3af;
  --border: #222;
  --radius: 12px;
}

html { scroll-behavior: smooth; }

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

a { color: var(--accent-light); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; height: auto; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* Navigation */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(10,10,10,0.85); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border); padding: 14px 0;
}
.nav .container { display: flex; justify-content: space-between; align-items: center; }
.nav-logo { font-weight: 700; font-size: 1.2rem; color: var(--text); display: flex; align-items: center; gap: 10px; }
.nav-logo img { width: 32px; height: 32px; border-radius: 6px; }
.nav-links { display: flex; gap: 24px; list-style: none; }
.nav-links a { color: var(--text-muted); font-size: 0.9rem; font-weight: 500; }
.nav-links a:hover { color: var(--text); text-decoration: none; }

/* Hero */
.hero {
  padding: 140px 0 80px; text-align: center;
  background: radial-gradient(ellipse at 50% 0%, rgba(79,70,229,0.12) 0%, transparent 60%);
}
.hero-logo { width: 80px; height: 80px; border-radius: 18px; margin-bottom: 24px; }
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); font-weight: 700; margin-bottom: 12px; }
.hero .tagline { font-size: clamp(1rem, 2.5vw, 1.3rem); color: var(--text-muted); margin-bottom: 36px; max-width: 500px; margin-left: auto; margin-right: auto; }
.btn-group { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px;
  border-radius: 8px; font-weight: 600; font-size: 0.95rem; transition: transform 0.2s, box-shadow 0.2s;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(79,70,229,0.3); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-secondary { background: var(--bg-card); color: var(--text); border: 1px solid var(--border); }

/* Sections */
section { padding: 80px 0; }
.section-title { text-align: center; font-size: 1.8rem; font-weight: 700; margin-bottom: 12px; }
.section-subtitle { text-align: center; color: var(--text-muted); margin-bottom: 48px; max-width: 550px; margin-left: auto; margin-right: auto; }

/* Features */
.features-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px;
}
.feature-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; transition: background 0.2s, border-color 0.2s;
}
.feature-card:hover { background: var(--bg-card-hover); border-color: #333; }
.feature-icon { font-size: 2rem; margin-bottom: 14px; display: block; }
.feature-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.feature-card p { color: var(--text-muted); font-size: 0.9rem; }

/* Screenshots */
.screenshots { text-align: center; }
.screenshot-row { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; margin-top: 24px; }
.screenshot-placeholder {
  width: 220px; height: 400px; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 24px; display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); font-size: 0.85rem;
}

/* CTA */
.cta {
  text-align: center; padding: 80px 0;
  background: linear-gradient(180deg, transparent, rgba(79,70,229,0.06) 50%, transparent);
}
.cta h2 { font-size: 2rem; margin-bottom: 12px; }
.cta p { color: var(--text-muted); margin-bottom: 32px; }

/* Footer */
.footer { border-top: 1px solid var(--border); padding: 40px 0; text-align: center; }
.footer-links { display: flex; gap: 24px; justify-content: center; list-style: none; margin-bottom: 16px; flex-wrap: wrap; }
.footer-links a { color: var(--text-muted); font-size: 0.85rem; }
.footer-links a:hover { color: var(--text); }
.footer-copy { color: #555; font-size: 0.8rem; }

/* Legal pages */
.legal { padding: 120px 0 60px; max-width: 740px; margin: 0 auto; }
.legal h1 { font-size: 2rem; margin-bottom: 8px; }
.legal .updated { color: var(--text-muted); margin-bottom: 32px; font-size: 0.9rem; }
.legal h2 { font-size: 1.2rem; margin: 28px 0 10px; }
.legal p, .legal li { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 10px; }
.legal ul { padding-left: 20px; }
.legal a { color: var(--accent-light); }

/* Contact */
.contact-info { max-width: 500px; margin: 0 auto; }
.contact-item {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; margin-bottom: 16px; display: flex; align-items: center; gap: 16px;
}
.contact-item .icon { font-size: 1.5rem; }
.contact-item h3 { font-size: 1rem; margin-bottom: 2px; }
.contact-item p { color: var(--text-muted); font-size: 0.9rem; margin: 0; }

/* FB Landing */
.fb-hero { padding: 80px 0 40px; text-align: center; }
.fb-hero h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 700; margin-bottom: 16px; line-height: 1.2; }
.fb-hero .sub { color: var(--text-muted); font-size: 1.1rem; margin-bottom: 32px; }
.benefits { max-width: 560px; margin: 0 auto 40px; text-align: left; }
.benefits li {
  padding: 12px 0; border-bottom: 1px solid var(--border); list-style: none;
  display: flex; align-items: center; gap: 12px; font-size: 1rem;
}
.benefits li::before { content: "\2713"; color: var(--accent-light); font-weight: 700; font-size: 1.1rem; }
.social-proof { text-align: center; padding: 40px 0; }
.proof-stats { display: flex; gap: 40px; justify-content: center; flex-wrap: wrap; }
.proof-stat h3 { font-size: 2rem; font-weight: 700; color: var(--accent-light); }
.proof-stat p { color: var(--text-muted); font-size: 0.85rem; }

/* Mobile nav toggle */
.nav-toggle { display: none; background: none; border: none; color: var(--text); font-size: 1.5rem; cursor: pointer; }

@media (max-width: 640px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: 56px; right: 20px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 24px; gap: 16px; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .features-grid { grid-template-columns: 1fr; }
  .screenshot-placeholder { width: 160px; height: 300px; }
  section { padding: 60px 0; }
  .hero { padding: 110px 0 60px; }
}