:root {
  --bg: #07091a;
  --bg-card: #0d1535;
  --bg-card-hover: #111d45;
  --fg: #f0f4ff;
  --fg-muted: #8896b3;
  --accent: #38bdf8;
  --accent-dim: rgba(56, 189, 248, 0.1);
  --accent-hover: #0ea5e9;
  --success: #10b981;
  --purple: #a78bfa;
  --border: rgba(255,255,255,0.07);
  --font: 'Inter', system-ui, sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2.5rem;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(7, 9, 26, 0.9);
  backdrop-filter: blur(12px);
  z-index: 100;
}
.nav-brand { display: flex; align-items: center; gap: 0.4rem; }
.brand-icon { font-size: 1.3rem; }
.brand-name { font-weight: 800; font-size: 1.15rem; letter-spacing: -0.02em; }
.nav-links { display: flex; align-items: center; gap: 1.5rem; }
.nav-link { color: var(--fg-muted); text-decoration: none; font-size: 0.9rem; font-weight: 500; transition: color 0.15s; }
.nav-link:hover { color: var(--fg); }
.nav-link-cta {
  background: var(--accent);
  color: #000 !important;
  padding: 0.45rem 1rem;
  border-radius: 8px;
  font-weight: 600;
  transition: background 0.15s;
}
.nav-link-cta:hover { background: var(--accent-hover); }

/* Buttons */
.btn { display: inline-block; text-decoration: none; border: none; cursor: pointer; font-family: var(--font); font-weight: 600; border-radius: 8px; transition: all 0.15s; }
.btn-primary { background: var(--accent); color: #000; padding: 0.75rem 1.5rem; font-size: 0.95rem; }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--fg-muted); padding: 0.75rem 1.5rem; font-size: 0.95rem; border: 1px solid var(--border); }
.btn-ghost:hover { color: var(--fg); border-color: rgba(255,255,255,0.15); }
.btn-lg { padding: 1rem 2rem; font-size: 1.05rem; border-radius: 10px; }

/* Section shared */
.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-title { font-size: clamp(1.75rem, 3vw, 2.5rem); font-weight: 800; letter-spacing: -0.03em; margin-bottom: 0.75rem; }
.section-subtitle { color: var(--fg-muted); font-size: 1.05rem; }

/* Hero */
.hero { padding: 6rem 2.5rem 5rem; text-align: center; background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(56,189,248,0.08) 0%, transparent 70%); }
.hero-badge { display: inline-block; background: var(--accent-dim); color: var(--accent); font-size: 0.8rem; font-weight: 600; padding: 0.3rem 0.9rem; border-radius: 100px; margin-bottom: 1.5rem; border: 1px solid rgba(56,189,248,0.2); }
.hero-headline { font-size: clamp(2.5rem, 5.5vw, 4rem); font-weight: 800; letter-spacing: -0.04em; line-height: 1.05; margin-bottom: 1.5rem; background: linear-gradient(135deg, #fff 40%, #a5b4fc 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-lede { font-size: 1.15rem; color: var(--fg-muted); max-width: 540px; margin: 0 auto 2.5rem; line-height: 1.7; }
.hero-cta-row { display: flex; gap: 1rem; justify-content: center; align-items: center; margin-bottom: 2.5rem; flex-wrap: wrap; }
.hero-proof { display: flex; gap: 0.75rem; justify-content: center; align-items: center; flex-wrap: wrap; }
.proof-stat { font-size: 0.85rem; color: var(--fg-muted); }
.proof-stat strong { color: var(--fg); }
.proof-sep { color: var(--fg-muted); font-size: 0.7rem; opacity: 0.5; }

/* Features */
.features { padding: 6rem 2.5rem; background: var(--bg-card); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.features-grid { max-width: 960px; margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.feature-card { background: var(--bg); border: 1px solid var(--border); border-radius: 14px; padding: 1.75rem; transition: border-color 0.2s, transform 0.2s; }
.feature-card:hover { border-color: rgba(56,189,248,0.2); transform: translateY(-2px); }
.feature-icon { font-size: 1.8rem; margin-bottom: 1rem; }
.feature-title { font-size: 1rem; font-weight: 700; margin-bottom: 0.5rem; }
.feature-desc { font-size: 0.875rem; color: var(--fg-muted); line-height: 1.65; }

/* How it works */
.how-it-works { padding: 6rem 2.5rem; }
.steps { max-width: 720px; margin: 0 auto; display: flex; flex-direction: column; gap: 2rem; }
.step { display: flex; gap: 1.5rem; align-items: flex-start; }
.step-num { font-size: 1.5rem; font-weight: 800; color: var(--accent); opacity: 0.4; min-width: 2.5rem; font-family: var(--font); }
.step-content h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.4rem; }
.step-content p { font-size: 0.9rem; color: var(--fg-muted); }

/* Pricing */
.pricing { padding: 6rem 2.5rem; background: var(--bg-card); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.pricing-card {
  max-width: 440px;
  margin: 0 auto;
  background: var(--bg);
  border: 1px solid rgba(56,189,248,0.2);
  border-radius: 18px;
  padding: 2.5rem;
  text-align: center;
  box-shadow: 0 0 60px rgba(56,189,248,0.05);
}
.pricing-label { font-size: 0.8rem; font-weight: 600; color: var(--accent); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 0.75rem; }
.pricing-price { font-size: 3.5rem; font-weight: 800; letter-spacing: -0.04em; margin-bottom: 1.5rem; }
.pricing-period { font-size: 1.25rem; font-weight: 500; color: var(--fg-muted); }
.pricing-features { list-style: none; text-align: left; margin: 0 0 2rem 0; display: flex; flex-direction: column; gap: 0.75rem; }
.pricing-features li { font-size: 0.9rem; color: var(--fg-muted); }
.pricing-cta { margin-bottom: 1rem; }
.pricing-note { font-size: 0.75rem; color: rgba(255,255,255,0.25); }

/* CTA section */
.cta-section { padding: 6rem 2.5rem; text-align: center; }
.cta-headline { font-size: clamp(1.75rem, 3.5vw, 2.5rem); font-weight: 800; letter-spacing: -0.03em; margin-bottom: 1rem; }
.cta-body { color: var(--fg-muted); font-size: 1.05rem; margin-bottom: 2.5rem; }
.cta-waitlist { display: flex; gap: 0.5rem; justify-content: center; align-items: center; flex-wrap: wrap; margin-bottom: 0.75rem; }
.waitlist-input { background: var(--bg-card); border: 1px solid var(--border); color: var(--fg); border-radius: 8px; padding: 0.75rem 1rem; font-size: 0.95rem; font-family: var(--font); outline: none; min-width: 240px; transition: border-color 0.15s; }
.waitlist-input:focus { border-color: var(--accent); }
.waitlist-input::placeholder { color: var(--fg-muted); }
.cta-fine { font-size: 0.78rem; color: rgba(255,255,255,0.25); }
.waitlist-msg { margin-top: 0.75rem; font-size: 0.9rem; font-weight: 500; min-height: 1.5rem; }
.waitlist-msg.success { color: var(--success); }
.waitlist-msg.error { color: #f87171; }

/* Footer */
.footer { padding: 2.5rem 2.5rem; border-top: 1px solid var(--border); text-align: center; }
.footer-brand { display: flex; justify-content: center; align-items: center; gap: 0.4rem; margin-bottom: 0.5rem; }
.footer-tagline { font-size: 0.85rem; color: var(--fg-muted); margin-bottom: 0.75rem; }
.footer-copy { font-family: var(--font); font-size: 0.72rem; color: rgba(255,255,255,0.2); }

/* Responsive */
@media (max-width: 768px) {
  .features-grid { grid-template-columns: 1fr 1fr; }
  .navbar { padding: 1rem 1.5rem; }
  .hero { padding: 4rem 1.5rem 3.5rem; }
  .features, .how-it-works, .pricing, .cta-section { padding: 4rem 1.5rem; }
  .footer { padding: 2rem 1.5rem; }
  .hero-cta-row { flex-direction: column; }
}

@media (max-width: 540px) {
  .features-grid { grid-template-columns: 1fr; }
  .nav-links .nav-link:not(.nav-link-cta) { display: none; }
}