:root {
  --bg: #0f0f11;
  --surface: #1a1a1e;
  --border: #2a2a30;
  --text: #e4e4e7;
  --muted: #a1a1aa;
  --accent: #6366f1;
  --accent-light: #818cf8;
  --green: #22c55e;
  --radius: 12px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
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: 800px; margin: 0 auto; padding: 2rem 1.5rem; }

/* Nav */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
}
nav .logo { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.02em; }
nav .logo span { color: var(--accent); }
nav .nav-links { display: flex; gap: 1.5rem; }
nav .nav-links a { color: var(--muted); text-decoration: none; font-size: 0.9rem; font-weight: 500; transition: color 0.2s; }
nav .nav-links a:hover { color: var(--text); }

/* Hero */
.hero { padding: 4rem 0 3rem; text-align: center; }
.hero .badge {
  display: inline-block;
  background: rgba(99, 102, 241, 0.15);
  color: var(--accent-light);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35rem 1rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(99, 102, 241, 0.25);
}
.hero h1 { font-size: 2.5rem; font-weight: 800; letter-spacing: -0.03em; line-height: 1.15; margin-bottom: 1rem; }
.hero h1 .highlight {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p { font-size: 1.1rem; color: var(--muted); max-width: 600px; margin: 0 auto 2rem; }
.hero .cta-group { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* Product hero */
.product-hero { padding: 3rem 0 2rem; text-align: center; }
.product-hero .badge {
  display: inline-block;
  background: rgba(99, 102, 241, 0.15);
  color: var(--accent-light);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35rem 1rem;
  border-radius: 999px;
  margin-bottom: 1rem;
  border: 1px solid rgba(99, 102, 241, 0.25);
}
.product-hero h1 { font-size: 2.5rem; font-weight: 800; letter-spacing: -0.03em; margin-bottom: 0.75rem; }
.product-hero .subtitle { color: var(--muted); font-size: 1.05rem; max-width: 600px; margin: 0 auto; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.85rem 2rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: all 0.2s;
  cursor: pointer;
  text-align: center;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-light); transform: translateY(-1px); }
.btn-secondary { background: var(--surface); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { border-color: var(--accent); transform: translateY(-1px); }

/* Sections */
section { padding: 3rem 0; }
section h2 { font-size: 1.6rem; font-weight: 700; margin-bottom: 0.75rem; letter-spacing: -0.02em; }
section .subtitle { color: var(--muted); font-size: 1rem; margin-bottom: 2rem; }

/* Feature grid */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; }
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color 0.2s;
}
.feature-card:hover { border-color: var(--accent); }
.feature-card .icon { font-size: 1.5rem; margin-bottom: 0.75rem; }
.feature-card h3 { font-size: 1rem; margin-bottom: 0.5rem; }
.feature-card p { font-size: 0.85rem; color: var(--muted); }

/* Principles (landing page) */
.principles { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; }
.principle-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color 0.2s;
}
.principle-card:hover { border-color: var(--accent); }
.principle-card .icon { font-size: 1.5rem; margin-bottom: 0.75rem; }
.principle-card h3 { font-size: 1.05rem; margin-bottom: 0.5rem; }
.principle-card p { font-size: 0.9rem; color: var(--muted); }

/* Team grid */
.team-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1rem; }
.team-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.team-card h3 { font-size: 1.05rem; }
.team-card .role { color: var(--accent-light); font-size: 0.85rem; margin-bottom: 0.5rem; }
.team-card p { font-size: 0.9rem; color: var(--muted); }

/* Pricing */
.pricing-section { text-align: center; }
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; margin-top: 1rem; }
.pricing-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: border-color 0.2s, transform 0.2s;
}
.pricing-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.pricing-card.featured { border-color: var(--accent); position: relative; }
.pricing-card.featured::before {
  content: 'Popular';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 1rem;
  border-radius: 999px;
}
.pricing-card h3 { font-size: 1.1rem; }
.pricing-card .price { font-size: 2rem; font-weight: 800; }
.pricing-card .price span { font-size: 1rem; font-weight: 400; color: var(--muted); }
.pricing-card ul { list-style: none; text-align: left; font-size: 0.9rem; color: var(--muted); }
.pricing-card ul li { padding: 0.35rem 0; }
.pricing-card ul li::before { content: '✓ '; color: var(--green); font-weight: 700; }
.pricing-card .btn { margin-top: auto; }

/* Product list */
.product-list { display: flex; flex-direction: column; gap: 1rem; }
.product-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  transition: border-color 0.2s;
}
.product-card:hover { border-color: var(--accent); }
.product-card .info h3 { font-size: 1.1rem; margin-bottom: 0.25rem; }
.product-card .info p { font-size: 0.9rem; color: var(--muted); }
.product-card .status {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  white-space: nowrap;
}
.status-active { background: rgba(34, 197, 94, 0.15); color: var(--green); }
.status-soon { background: rgba(99, 102, 241, 0.15); color: var(--accent-light); }

/* Auth forms */
.auth-form { max-width: 400px; margin: 0 auto; }
.auth-form .form-group { margin-bottom: 1.25rem; text-align: left; }
.auth-form label { display: block; font-size: 0.9rem; font-weight: 500; margin-bottom: 0.4rem; color: var(--muted); }
.auth-form input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 1rem;
  transition: border-color 0.2s;
}
.auth-form input:focus { outline: none; border-color: var(--accent); }
.auth-form .btn { width: 100%; }
.auth-form .auth-link { text-align: center; margin-top: 1rem; font-size: 0.9rem; color: var(--muted); }
.auth-form .auth-link a { color: var(--accent); text-decoration: none; }

/* Footer */
footer {
  text-align: center;
  padding: 3rem 0 2rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.875rem;
}
footer .footer-links { display: flex; gap: 1.5rem; justify-content: center; margin-bottom: 1rem; }
footer .footer-links a { color: var(--muted); text-decoration: none; }
footer .footer-links a:hover { color: var(--text); }

@media (max-width: 600px) {
  .hero h1 { font-size: 2rem; }
  .product-hero h1 { font-size: 2rem; }
  nav .nav-links { gap: 1rem; }
  .product-card { flex-direction: column; align-items: flex-start; }
  .pricing-grid { grid-template-columns: 1fr; }
}