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

:root {
  --bg: #0a0a0c;
  --surface: #141418;
  --border: #1e1e24;
  --text: #f0f0f5;
  --muted: #8888a0;
  --accent: #4f8ef7;
  --accent-hover: #6aa3ff;
  --cta: #4f8ef7;
  --cta-text: #fff;
  --radius: 8px;
  --max-w: 1080px;
}

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;
}

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

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* NAV */
nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10,10,12,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}
nav .container { display: flex; align-items: center; justify-content: space-between; }
.nav-logo {
  font-size: 1.25rem; font-weight: 700; color: var(--text);
  letter-spacing: -0.5px;
}
.nav-logo span { color: var(--accent); }
.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-links a { color: var(--muted); font-size: 0.9rem; transition: color 0.2s; }
.nav-links a:hover { color: var(--text); }
.nav-cta {
  background: var(--accent); color: #fff;
  padding: 8px 20px; border-radius: var(--radius);
  font-size: 0.9rem; font-weight: 600;
  transition: background 0.2s;
}
.nav-cta:hover { background: var(--accent-hover); color: #fff; }

/* HERO */
.hero {
  padding: 100px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 50%; transform: translateX(-50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(79,142,247,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1.1;
  margin-bottom: 20px;
}
.hero h1 span { color: var(--accent); }
.hero p {
  font-size: 1.2rem;
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto 40px;
}
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn-primary {
  background: var(--cta); color: var(--cta-text);
  padding: 14px 32px; border-radius: var(--radius);
  font-size: 1rem; font-weight: 600;
  display: inline-block; transition: background 0.2s;
}
.btn-primary:hover { background: var(--accent-hover); color: var(--cta-text); }
.btn-secondary {
  border: 1px solid var(--border); color: var(--text);
  padding: 14px 32px; border-radius: var(--radius);
  font-size: 1rem; font-weight: 500;
  display: inline-block; transition: border-color 0.2s, color 0.2s;
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

/* TRUST BAR */
.trust-bar {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 28px 0;
  text-align: center;
}
.trust-bar p { color: var(--muted); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 20px; }
.trust-logos { display: flex; gap: 48px; justify-content: center; align-items: center; flex-wrap: wrap; }
.trust-logo { color: var(--muted); font-size: 0.95rem; font-weight: 600; opacity: 0.6; }

/* FEATURES */
.features { padding: 80px 0; }
.section-label {
  font-size: 0.75rem; text-transform: uppercase; letter-spacing: 2px;
  color: var(--accent); font-weight: 600; margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700; letter-spacing: -0.8px;
  margin-bottom: 16px;
}
.section-subtitle { color: var(--muted); font-size: 1.05rem; max-width: 540px; margin-bottom: 56px; }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  transition: border-color 0.2s;
}
.feature-card:hover { border-color: var(--accent); }
.feature-icon {
  width: 44px; height: 44px;
  background: rgba(79,142,247,0.1);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; margin-bottom: 20px;
  color: var(--accent);
}
.feature-card h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 10px; }
.feature-card p { color: var(--muted); font-size: 0.9rem; line-height: 1.7; }

/* HOW IT WORKS */
.how-it-works { padding: 80px 0; background: var(--surface); }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: 48px; }
.step { text-align: center; padding: 0 16px; }
.step-num {
  width: 48px; height: 48px;
  background: var(--accent);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; font-weight: 700; color: #fff;
  margin: 0 auto 20px;
}
.step h3 { font-size: 1rem; font-weight: 600; margin-bottom: 10px; }
.step p { color: var(--muted); font-size: 0.9rem; }

/* STATS */
.stats { padding: 80px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.stat { text-align: center; }
.stat-num { font-size: 2.5rem; font-weight: 800; color: var(--accent); letter-spacing: -1px; }
.stat-label { color: var(--muted); font-size: 0.85rem; margin-top: 6px; }

/* PRICING */
.pricing { padding: 80px 0; }
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; max-width: 900px; margin: 0 auto; }
.plan {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px 32px;
}
.plan.featured {
  border-color: var(--accent);
  position: relative;
}
.plan.featured::before {
  content: 'Most Popular';
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--accent); color: #fff;
  font-size: 0.75rem; font-weight: 600;
  padding: 4px 16px; border-radius: 20px;
}
.plan h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 8px; }
.plan-price { font-size: 2.2rem; font-weight: 800; margin-bottom: 4px; }
.plan-price span { font-size: 0.9rem; font-weight: 400; color: var(--muted); }
.plan-desc { color: var(--muted); font-size: 0.9rem; margin-bottom: 28px; }
.plan-features { list-style: none; margin-bottom: 28px; }
.plan-features li { color: var(--text); font-size: 0.9rem; padding: 6px 0; display: flex; align-items: center; gap: 8px; }
.plan-features li::before { content: '✓'; color: var(--accent); font-weight: 700; }
.plan .btn-primary { width: 100%; text-align: center; }

/* FAQ */
.faq { padding: 80px 0; max-width: 720px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); padding: 24px 0; }
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-q { font-size: 1.05rem; font-weight: 600; margin-bottom: 12px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; }
.faq-q::after { content: '+'; font-size: 1.4rem; color: var(--accent); }
.faq-item.open .faq-q::after { content: '−'; }
.faq-a { color: var(--muted); font-size: 0.95rem; line-height: 1.7; }

/* CTA BANNER */
.cta-banner {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 64px;
  text-align: center;
  margin: 0 0 80px;
}
.cta-banner h2 { font-size: 2rem; font-weight: 700; margin-bottom: 12px; }
.cta-banner p { color: var(--muted); margin-bottom: 32px; }

/* FOOTER */
footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  color: var(--muted); font-size: 0.85rem;
}
footer .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.footer-links { display: flex; gap: 24px; list-style: none; }
.footer-links a { color: var(--muted); font-size: 0.85rem; }
.footer-links a:hover { color: var(--text); }

/* RESPONSIVE */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .steps { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .cta-banner { padding: 40px 24px; }
  .pricing-grid { grid-template-columns: 1fr; }
}

/* FAQ toggle */
.faq-item .faq-a { display: none; }
.faq-item.open .faq-a { display: block; }