:root {
  --bg: #FAFAF7;
  --bg-alt: #F2F2EE;
  --text: #18181B;
  --text-muted: #6B6B6B;
  --accent: #A8E400;
  --accent-dark: #8BBF00;
  --accent-soft: rgba(168, 228, 0, 0.12);
  --border: #E4E4E0;
  --card-bg: #FFFFFF;
  --green: #16A34A;
}

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

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', system-ui, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Nav */
.nav {
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  color: var(--text);
}
.nav-tagline {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  background: var(--accent-soft);
  padding: 4px 10px;
  border-radius: 4px;
  color: var(--accent-dark);
}

/* Hero */
.hero {
  padding: 80px 0 72px;
}
.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
}
.hero-eyebrow {
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: 28px;
}
.hero-headline {
  font-family: 'Syne', sans-serif;
  font-size: clamp(3rem, 7vw, 5.2rem);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.04em;
  color: var(--text);
  margin-bottom: 28px;
}
.hero-highlight {
  color: var(--accent-dark);
}
.hero-sub {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.6;
  margin-bottom: 56px;
}
.hero-meta {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}
.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stat-num {
  font-family: 'Syne', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
}
.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Features */
.features {
  background: var(--bg-alt);
  padding: 80px 0;
}
.features-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
}
.features-header {
  margin-bottom: 56px;
}
.features-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  max-width: 480px;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.feature-card--wide {
  grid-column: span 2;
  flex-direction: row;
  align-items: flex-start;
}
.feature-card-inner {
  flex: 1;
}
.feature-icon {
  color: var(--accent-dark);
  margin-bottom: 12px;
}
.feature-name {
  font-family: 'Syne', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.feature-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.feature-card-visual {
  width: 280px;
  flex-shrink: 0;
}

/* Mock launch */
.mock-launch {
  background: #18181B;
  border-radius: 8px;
  padding: 16px;
  font-size: 0.75rem;
}
.mock-launch-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.mock-label {
  color: #FFFFFF;
  font-weight: 600;
}
.mock-badge {
  font-size: 0.65rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.mock-badge--green {
  background: rgba(168, 228, 0, 0.15);
  color: var(--accent);
}
.mock-launch-items {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.mock-launch-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #9B9B9B;
  font-size: 0.75rem;
}
.mock-launch-item--done {
  color: #6B6B6B;
}
.mock-launch-item--active {
  color: #FFFFFF;
}
.check {
  color: var(--accent);
  font-weight: 700;
}
.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}
.dot--muted {
  background: #4B4B4B;
}

/* Mock chart */
.mock-chart {
  background: #18181B;
  border-radius: 8px;
  padding: 16px;
}
.mock-chart-label {
  font-size: 0.65rem;
  color: #6B6B6B;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}
.mock-bars {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 80px;
  margin-bottom: 10px;
}
.mock-bar {
  flex: 1;
  background: #3A3A3A;
  border-radius: 3px;
  transition: height 0.3s ease;
}
.mock-bar--accent {
  background: var(--accent-dark);
}
.mock-chart-legend {
  font-size: 0.75rem;
  color: #9B9B9B;
}
.mock-chart-legend strong {
  color: var(--accent);
}

/* Preview */
.preview {
  padding: 72px 0;
}
.preview-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
}
.preview-label {
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: 36px;
}
.preview-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.preview-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.preview-icon {
  color: var(--accent-dark);
  flex-shrink: 0;
  margin-top: 2px;
}
.preview-text {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text);
  line-height: 1.4;
}

/* Manifesto */
.manifesto {
  background: var(--text);
  padding: 80px 0;
}
.manifesto-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
}
.manifesto-text {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 600;
  color: #FFFFFF;
  line-height: 1.4;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}
.manifesto-attr {
  font-size: 1rem;
  color: rgba(255,255,255,0.5);
  max-width: 520px;
  line-height: 1.6;
}

/* Principles */
.principles {
  padding: 80px 0;
}
.principles-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
}
.principles-title {
  font-family: 'Syne', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: 48px;
}
.principles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.principle {
  border-top: 2px solid var(--border);
  padding-top: 24px;
}
.principle-num {
  font-family: 'Syne', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-dark);
  display: block;
  margin-bottom: 12px;
}
.principle-name {
  font-family: 'Syne', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}
.principle-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Closing */
.closing {
  padding: 100px 0;
  background: var(--bg-alt);
}
.closing-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
}
.closing-headline {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.04em;
  max-width: 600px;
  margin-bottom: 16px;
}
.closing-sub {
  font-family: 'Syne', sans-serif;
  font-size: 2rem;
  font-weight: 600;
  color: var(--accent-dark);
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1rem;
}
.footer-note {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 768px) {
  .hero { padding: 60px 0 56px; }
  .hero-meta { gap: 28px; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-card--wide { grid-column: span 1; flex-direction: column; }
  .feature-card-visual { width: 100%; }
  .preview-grid { grid-template-columns: 1fr; }
  .principles-grid { grid-template-columns: 1fr; gap: 28px; }
  .closing { padding: 72px 0; }
  .nav-inner, .hero-inner, .features-inner, .preview-inner, .manifesto-inner, .principles-inner, .closing-inner, .footer-inner { padding: 0 20px; }
}