* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --primary: #14a800;
  --primary-dark: #108a00;
  --secondary: #1a1a2e;
  --text: #334155;
  --text-light: #64748b;
  --bg: #fff;
  --bg-alt: #f0faf0;
  --border: #e2e8f0;
}
html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; line-height: 1.6; color: var(--text); background: var(--bg); }
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
h1, h2, h3, h4 { color: var(--secondary); font-weight: 700; }
h1 { font-size: clamp(2.25rem, 5vw, 3rem); }
h2 { font-size: 2rem; text-align: center; margin-bottom: 16px; }

.btn { display: inline-flex; align-items: center; justify-content: center; padding: 12px 24px; border-radius: 8px; font-weight: 600; text-decoration: none; cursor: pointer; transition: all 0.2s; border: none; font-size: 1rem; }
.btn-sm { padding: 8px 16px; font-size: 0.875rem; }
.btn-large { padding: 16px 32px; font-size: 1.1rem; }
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); }

.navbar { position: fixed; top: 0; left: 0; right: 0; background: rgba(255,255,255,0.95); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); z-index: 1000; padding: 16px 0; }
.navbar .container { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.5rem; font-weight: 800; color: var(--secondary); text-decoration: none; }
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links a:not(.btn) { color: var(--text-light); text-decoration: none; font-weight: 500; }
.nav-links a:not(.btn):hover { color: var(--primary); }

.hero { padding: 140px 0 80px; background: linear-gradient(180deg, var(--bg-alt) 0%, var(--bg) 100%); text-align: center; }
.badge { display: inline-block; padding: 6px 14px; background: rgba(20,168,0,0.12); color: var(--primary-dark); border-radius: 100px; font-size: 0.875rem; font-weight: 600; margin-bottom: 20px; }
.hero-subtitle { font-size: 1.2rem; color: var(--text-light); max-width: 600px; margin: 20px auto 32px; }
.hero-stats { display: flex; justify-content: center; gap: 48px; margin-top: 48px; }
.stat-number { display: block; font-size: 1.75rem; font-weight: 800; color: var(--primary); }
.stat-label { font-size: 0.875rem; color: var(--text-light); }

.score-demo { padding: 0 0 60px; margin-top: -20px; }
.demo-card { max-width: 400px; margin: 0 auto; background: #1a1a2e; border-radius: 16px; padding: 24px; color: #e0e0e0; box-shadow: 0 8px 32px rgba(0,0,0,0.15); }
.demo-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; padding-bottom: 16px; border-bottom: 1px solid #333; }
.demo-score { font-size: 48px; font-weight: 800; }
.demo-grade { padding: 6px 16px; border-radius: 20px; font-weight: 700; font-size: 14px; }
.demo-bar-row { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; font-size: 13px; }
.demo-bar-row > span:first-child { min-width: 110px; color: #b0b0b0; }
.demo-bar { flex: 1; height: 6px; background: #333; border-radius: 3px; overflow: hidden; }
.demo-fill { height: 100%; border-radius: 3px; }
.demo-val { min-width: 28px; text-align: right; font-weight: 700; }

.section-subtitle { text-align: center; color: var(--text-light); margin-bottom: 48px; }

.how-it-works { padding: 80px 0; }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: 48px; }
.step-card { text-align: center; padding: 32px 24px; }
.step-number { width: 48px; height: 48px; background: var(--primary); color: white; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 20px; font-weight: 800; margin: 0 auto 16px; }
.step-card h4 { margin-bottom: 8px; }
.step-card p { font-size: 0.9rem; color: var(--text-light); }

.features { padding: 80px 0; background: var(--bg-alt); }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 48px; }
.feature-card { background: white; border: 2px solid var(--border); border-radius: 12px; padding: 24px; transition: all 0.2s; }
.feature-card:hover { border-color: var(--primary); transform: translateY(-2px); }
.feature-card.highlight { border-color: var(--primary); background: rgba(20,168,0,0.04); }
.feature-weight { font-size: 2rem; font-weight: 800; color: var(--primary); margin-bottom: 8px; }
.feature-card h4 { margin-bottom: 8px; }
.feature-card p { font-size: 0.875rem; color: var(--text-light); line-height: 1.6; }

.waitlist { padding: 80px 0; }
.waitlist-card { max-width: 500px; margin: 0 auto; text-align: center; background: var(--bg-alt); border-radius: 16px; padding: 48px 32px; }
.waitlist-card h2 { margin-bottom: 12px; }
.waitlist-card > p { color: var(--text-light); margin-bottom: 24px; }
.waitlist-form { display: flex; gap: 8px; }
.waitlist-form input { flex: 1; padding: 12px 16px; border: 2px solid var(--border); border-radius: 8px; font-size: 1rem; font-family: inherit; outline: none; }
.waitlist-form input:focus { border-color: var(--primary); }
.waitlist-message { margin-top: 12px; font-size: 0.875rem; font-weight: 600; }
.waitlist-message.success { color: var(--primary); }
.waitlist-message.error { color: #e34234; }

.footer { padding: 40px 0; text-align: center; color: var(--text-light); font-size: 0.875rem; }

@media (max-width: 768px) {
  .nav-links a:not(.btn) { display: none; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .steps-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .waitlist-form { flex-direction: column; }
}