/* Fonts */
@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=Instrument+Sans:wght@400;500;600&display=swap');

/* Variables — Teal / Slate palette */
:root {
  --bg: #0D1829;
  --bg-secondary: #12243A;
  --accent: #2DD4BF;
  --accent-dim: rgba(45, 212, 191, 0.12);
  --accent-mid: rgba(45, 212, 191, 0.22);
  --text-primary: #F0F6FC;
  --text-secondary: #8BA4B8;
  --text-muted: #4A6580;
  --border: rgba(240, 246, 252, 0.07);
  --score-high: #F59E0B;
  --score-low: #3FB950;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: 'Instrument Sans', sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border);
  background: rgba(13, 24, 41, 0.92);
  backdrop-filter: blur(14px);
  padding: 0 32px;
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.nav-logo span { color: var(--accent); }
.nav-tagline {
  color: var(--text-secondary);
  font-size: 0.875rem;
  border-left: 1px solid var(--border);
  padding-left: 16px;
}

/* Hero */
.hero {
  max-width: 1100px;
  margin: 0 auto;
  padding: 96px 32px 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-mid);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 28px;
}
.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}
.hero-headline {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 2.75rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 32px;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.hero-pill {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  padding: 5px 14px;
  border-radius: 100px;
  background: rgba(240, 246, 252, 0.03);
}

/* Hero Visual */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-img {
  width: 100%;
  border-radius: 20px;
  border: 1px solid var(--border);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.4);
  object-fit: cover;
}
.score-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  position: relative;
}
.score-card--high { border-color: rgba(245, 158, 11, 0.25); }
.score-card--low { border-color: rgba(63, 185, 80, 0.25); }
.score-label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.score-number {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 2.5rem;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 10px;
}
.score-card--high .score-number { color: var(--score-high); }
.score-card--low .score-number { color: var(--score-low); }
.score-bar {
  height: 4px;
  background: rgba(240, 246, 252, 0.06);
  border-radius: 4px;
  margin-bottom: 14px;
  overflow: hidden;
}
.score-bar-fill {
  height: 100%;
  border-radius: 4px;
  background: var(--score-high);
}
.score-card--low .score-bar-fill { background: var(--score-low); }
.score-reason {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 12px;
}
.score-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* How It Works */
.how-it-works {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 32px;
  border-top: 1px solid var(--border);
}
.section-label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-headline {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin-bottom: 48px;
}
.steps {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: start;
  gap: 0;
}
.step-number {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.75rem;
  color: var(--accent);
  margin-bottom: 12px;
}
.step-title {
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  font-size: 1.0625rem;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.step-body {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.55;
}
.step-connector {
  width: 40px;
  height: 2px;
  background: var(--border);
  margin: 36px 16px 0;
}

/* Features */
.features {
  background: var(--bg-secondary);
  padding: 80px 32px;
}
.features-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px 48px;
}
.feature { display: flex; flex-direction: column; }
.feature-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  border: 1px solid var(--accent-mid);
  border-radius: 10px;
  margin-bottom: 16px;
}
.feature-title {
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.feature-body {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Proof */
.proof {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 32px;
  border-top: 1px solid var(--border);
}
.proof-stats {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: start;
  gap: 0;
  margin-bottom: 48px;
}
.proof-stat { padding: 0 24px; }
.proof-stat:first-child { padding-left: 0; }
.stat-number {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 2.25rem;
  color: var(--accent);
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}
.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}
.proof-divider {
  width: 1px;
  height: 80px;
  background: var(--border);
}
.proof-quote {
  max-width: 680px;
}
.proof-quote blockquote {
  font-size: 1.125rem;
  font-style: italic;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 12px;
}
.proof-quote cite {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-style: normal;
}

/* Closing */
.closing {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 32px;
  border-top: 1px solid var(--border);
}
.closing-headline {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 20px;
}
.closing-body {
  font-size: 1.0625rem;
  color: var(--text-secondary);
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 64px 32px 32px;
  max-width: 1100px;
  margin: 0 auto;
}
.footer-brand { margin-bottom: 40px; }
.footer-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.125rem;
  color: var(--text-primary);
  display: block;
  margin-bottom: 12px;
}
.footer-logo span { color: var(--accent); }
.footer-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  max-width: 280px;
}
.footer-links {
  display: flex;
  gap: 64px;
  margin-bottom: 48px;
}
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col-label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.footer-link {
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.15s;
}
.footer-link:hover { color: var(--text-primary); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* Mobile */
@media (max-width: 768px) {
  .hero { grid-template-columns: 1fr; padding: 64px 20px 56px; gap: 40px; }
  .hero-visual { display: none; }
  .steps { grid-template-columns: 1fr; gap: 32px; }
  .step-connector { display: none; }
  .proof-stats { grid-template-columns: 1fr; gap: 32px; }
  .proof-divider { display: none; }
  .proof-stat { padding: 0; }
  .features-grid { grid-template-columns: 1fr; }
  .footer-links { flex-wrap: wrap; gap: 32px; }
  .nav { padding: 0 20px; }
}
@media (max-width: 480px) {
  .hero-headline { font-size: 1.75rem; }
  .section-headline { font-size: 1.375rem; }
  .closing-headline { font-size: 1.5rem; }
}