/* Base reset and variables */
:root {
  --bg: #FDFAF4;
  --bg-alt: #F4EFE5;
  --fg: #1A1A2E;
  --fg-muted: #5A5A7A;
  --accent: #0D7377;
  --accent-light: #E8F5F5;
  --amber: #D4841C;
  --amber-light: #FDF3E3;
  --border: #E2DDD4;
  --font-serif: 'Fraunces', Georgia, serif;
  --font-sans: 'DM Sans', system-ui, sans-serif;
  --radius: 12px;
  --shadow: 0 2px 20px rgba(26, 26, 46, 0.08);
}

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

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

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

/* Navigation */
.nav {
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}
.nav-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: baseline; gap: 12px; }
.nav-logo { font-family: var(--font-serif); font-weight: 700; font-size: 1.4rem; color: var(--fg); letter-spacing: -0.02em; }
.nav-tagline { font-size: 0.85rem; color: var(--fg-muted); font-weight: 400; }

/* Hero */
.hero { padding: 80px 48px 100px; max-width: 1200px; margin: 0 auto; }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.hero-eyebrow { font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.12em; color: var(--accent); margin-bottom: 20px; }
.hero-headline { font-family: var(--font-serif); font-size: clamp(2.2rem, 4vw, 3.4rem); font-weight: 700; line-height: 1.12; letter-spacing: -0.02em; color: var(--fg); margin-bottom: 24px; }
.hero-sub { font-size: 1.05rem; color: var(--fg-muted); line-height: 1.7; max-width: 480px; margin-bottom: 28px; }
.hero-price-note { display: inline-block; background: var(--amber-light); color: var(--amber); font-weight: 600; font-size: 0.85rem; padding: 8px 16px; border-radius: 8px; }

/* Dashboard mock */
.dashboard-mock { background: #1A1A2E; border-radius: 16px; overflow: hidden; box-shadow: 0 20px 60px rgba(26,26,46,0.2); }
.mock-header { background: #2A2A4A; padding: 12px 16px; display: flex; align-items: center; gap: 8px; }
.mock-dot { width: 10px; height: 10px; border-radius: 50%; }
.mock-dot.red { background: #FF5F57; }
.mock-dot.yellow { background: #FEBC2E; }
.mock-dot.green { background: #28C840; }
.mock-title { color: rgba(255,255,255,0.5); font-size: 0.75rem; margin-left: 8px; font-family: var(--font-sans); }
.mock-body { padding: 24px; display: flex; flex-direction: column; gap: 20px; }
.mock-section {}
.mock-label { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em; color: rgba(255,255,255,0.4); margin-bottom: 10px; font-family: var(--font-sans); }
.mock-bar-row { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.mock-bar-label { font-size: 0.75rem; color: rgba(255,255,255,0.7); width: 50px; font-family: var(--font-sans); }
.mock-bar { flex: 1; height: 6px; background: rgba(255,255,255,0.1); border-radius: 3px; overflow: hidden; }
.mock-fill { height: 100%; border-radius: 3px; }
.mock-fill.math { width: 87%; background: #0D7377; }
.mock-fill.english { width: 72%; background: #D4841C; }
.mock-fill.science { width: 91%; background: #7B61FF; }
.mock-pct { font-size: 0.75rem; color: rgba(255,255,255,0.5); width: 32px; text-align: right; font-family: var(--font-sans); }
.mock-action { background: rgba(13,115,119,0.2); border: 1px solid rgba(13,115,119,0.4); border-radius: 8px; padding: 10px 12px; display: flex; align-items: flex-start; gap: 10px; }
.mock-ai-icon { background: #0D7377; color: white; font-size: 0.6rem; font-weight: 700; padding: 3px 6px; border-radius: 4px; flex-shrink: 0; margin-top: 1px; font-family: var(--font-sans); }
.mock-action span { font-size: 0.78rem; color: rgba(255,255,255,0.75); line-height: 1.5; font-family: var(--font-sans); }
.mock-text { font-size: 0.78rem; color: rgba(255,255,255,0.65); line-height: 1.6; font-family: var(--font-sans); }

/* How it works */
.how-it-works { background: var(--fg); color: var(--bg); padding: 100px 48px; }
.hiw-inner { max-width: 1200px; margin: 0 auto; }
.hiw-inner .section-eyebrow { color: var(--amber); }
.section-eyebrow { font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: 16px; }
.section-headline { font-family: var(--font-serif); font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 700; letter-spacing: -0.02em; margin-bottom: 64px; }
.hiw-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px; }
.hiw-step {}
.step-num { font-family: var(--font-serif); font-size: 3rem; font-weight: 900; color: rgba(255,255,255,0.1); margin-bottom: 16px; line-height: 1; }
.step-title { font-family: var(--font-serif); font-size: 1.2rem; font-weight: 700; margin-bottom: 12px; color: var(--bg); }
.step-body { font-size: 0.92rem; color: rgba(255,255,255,0.6); line-height: 1.7; }

/* Features */
.features { padding: 100px 48px; background: var(--bg-alt); }
.features-inner { max-width: 1200px; margin: 0 auto; }
.features-inner .section-headline { color: var(--fg); }
.features-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.feature-card { background: var(--bg-alt); padding: 48px 40px; }
.feature-icon { width: 44px; height: 44px; background: var(--accent-light); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: var(--accent); margin-bottom: 20px; }
.feature-title { font-family: var(--font-serif); font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; color: var(--fg); }
.feature-body { font-size: 0.92rem; color: var(--fg-muted); line-height: 1.7; }

/* Outcomes */
.outcomes { padding: 100px 48px; background: var(--accent); color: white; }
.outcomes-inner { max-width: 1200px; margin: 0 auto; }
.outcomes-stat-row { display: flex; align-items: center; gap: 48px; margin-bottom: 72px; }
.outcome-divider { width: 1px; height: 60px; background: rgba(255,255,255,0.2); flex-shrink: 0; }
.outcome-stat {}
.stat-num { font-family: var(--font-serif); font-size: 3.5rem; font-weight: 900; line-height: 1; margin-bottom: 10px; }
.stat-label { font-size: 0.9rem; opacity: 0.75; line-height: 1.5; max-width: 200px; }
.outcomes-quote { border-left: 3px solid var(--amber); padding-left: 32px; }
.outcomes-quote blockquote p { font-family: var(--font-serif); font-size: 1.3rem; font-style: italic; line-height: 1.6; margin-bottom: 16px; }
.outcomes-quote cite { font-size: 0.85rem; opacity: 0.7; font-style: normal; }

/* Manifesto */
.manifesto { padding: 100px 48px; background: var(--fg); color: var(--bg); }
.manifesto-inner { max-width: 800px; margin: 0 auto; }
.manifesto-label { font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.12em; color: var(--amber); margin-bottom: 24px; }
.manifesto-headline { font-family: var(--font-serif); font-size: clamp(1.8rem, 3.5vw, 3rem); font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; margin-bottom: 32px; }
.manifesto-body { font-size: 1rem; color: rgba(255,255,255,0.65); line-height: 1.8; }

/* Footer */
.footer { padding: 64px 48px 48px; border-top: 1px solid var(--border); background: var(--bg); }
.footer-inner { max-width: 1200px; margin: 0 auto; display: flex; flex-direction: column; gap: 32px; }
.footer-brand {}
.footer-logo { font-family: var(--font-serif); font-weight: 700; font-size: 1.2rem; display: block; margin-bottom: 12px; }
.footer-desc { font-size: 0.88rem; color: var(--fg-muted); max-width: 460px; line-height: 1.6; }
.footer-note { font-size: 0.8rem; color: var(--fg-muted); }

/* Responsive */
@media (max-width: 768px) {
  .nav { padding: 16px 24px; }
  .hero { padding: 60px 24px; }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { order: -1; }
  .how-it-works { padding: 72px 24px; }
  .hiw-steps { grid-template-columns: 1fr; gap: 40px; }
  .features { padding: 72px 24px; }
  .features-grid { grid-template-columns: 1fr; }
  .outcomes { padding: 72px 24px; }
  .outcomes-stat-row { flex-direction: column; gap: 32px; }
  .outcome-divider { width: 40px; height: 1px; }
  .manifesto { padding: 72px 24px; }
  .footer { padding: 48px 24px; }
  .dashboard-mock { transform: scale(0.9); transform-origin: top left; }
}

@media (max-width: 480px) {
  .hero-headline { font-size: 2rem; }
  .stat-num { font-size: 2.5rem; }
  .outcomes-stat-row { gap: 24px; }
}