:root {
  --bg: #F1F3F4; --surface: #fff; --surface2: #F8F9FA;
  --border: #E0E0E0; --primary: #007BBF; --accent: #185BA9;
  --text: #333; --muted: #5F6368; --radius: 8px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Bitter', serif; background: var(--bg); color: var(--text); line-height: 1.6; }
.topnav { display: flex; align-items: center; justify-content: space-between; padding: 1rem 2rem;
  background: var(--primary); color: #fff; position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 6px rgba(0,0,0,.15); }
.logo { font-family: 'Montserrat', sans-serif; font-size: 1.3rem; font-weight: 700; }
.navlinks a { color: rgba(255,255,255,.9); text-decoration: none; margin-left: 1.5rem;
  font-family: 'Montserrat', sans-serif; font-weight: 500; font-size: .95rem; }
.navlinks a:hover { color: #fff; }
.hero { background: #fff; padding: 5rem 2rem 4rem; text-align: center; border-bottom: 1px solid var(--border); }
.hero h1 { font-size: 2.8rem; color: var(--accent); margin-bottom: 1rem; line-height: 1.2; }
.hero p { color: var(--muted); font-size: 1.1rem; max-width: 600px; margin: 0 auto 2rem; }
.hero-actions { display: flex; gap: 1rem; justify-content: center; margin-bottom: 2.5rem; flex-wrap: wrap; }
.btn-primary { background: var(--primary); color: #fff; padding: .75rem 1.75rem; border-radius: 6px;
  text-decoration: none; font-family: 'Montserrat', sans-serif; font-weight: 600; transition: opacity .2s; }
.btn-primary:hover { opacity: .88; }
.btn-secondary { border: 2px solid var(--primary); color: var(--primary); padding: .75rem 1.75rem;
  border-radius: 6px; text-decoration: none; font-family: 'Montserrat', sans-serif; font-weight: 600; transition: background .2s; }
.btn-secondary:hover { background: #e8f0fe; }
.hero-demo { max-width: 680px; margin: 0 auto; background: #1e1e2e; border-radius: 10px;
  text-align: left; overflow: hidden; }
.hero-demo pre { padding: 1.5rem; overflow-x: auto; }
.hero-demo code { color: #cdd6f4; font-family: 'Menlo', monospace; font-size: .88rem; line-height: 1.7; }
main { max-width: 1100px; margin: 0 auto; padding: 2rem 1.5rem; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 2rem; margin-bottom: 2rem; box-shadow: 0 1px 3px rgba(0,0,0,.05); }
.card h2 { font-size: 1.6rem; color: var(--accent); margin-bottom: 1.5rem; }
.format-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: .75rem; }
.format-tile { background: var(--surface2); border: 1px solid var(--border); border-radius: 8px;
  padding: 1rem; text-align: center; font-size: .95rem; }
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; }
.plan-card { background: var(--surface2); border: 1px solid var(--border); border-radius: 8px; padding: 1.5rem; }
.plan-card.featured { border-color: var(--primary); border-width: 2px; background: #e8f4ff; }
.plan-name { font-family: 'Montserrat', sans-serif; font-weight: 700; color: var(--accent); margin-bottom: .25rem; }
.plan-price { font-size: 2rem; font-weight: 700; color: var(--primary); margin-bottom: 1rem; }
.plan-price span { font-size: 1rem; color: var(--muted); }
.plan-card ul { padding-left: 1.2rem; margin-bottom: 1.5rem; font-size: .92rem; color: var(--muted); }
.plan-card li { margin-bottom: .4rem; }
.plan-card .btn-primary, .plan-card .btn-secondary { display: block; text-align: center; }
pre code { display: block; background: #1e1e2e; color: #cdd6f4; padding: 1.5rem; border-radius: 8px;
  font-family: 'Menlo', monospace; font-size: .88rem; line-height: 1.7; overflow-x: auto; }
footer { text-align: center; padding: 2rem; color: var(--muted); font-size: .88rem;
  border-top: 1px solid var(--border); background: #fff; }
footer a { color: var(--primary); text-decoration: none; }