:root {
  --bg: #f8f5f0;
  --fg: #1a1a2e;
  --accent: #00d4aa;
  --accent-dark: #00a888;
  --muted: #6b6b7b;
  --border: #e2ddd6;
  --card-bg: #ffffff;
  --ink: #111127;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Instrument Sans', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Navigation */
.site-nav {
  padding: 1.5rem 3rem;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  max-width: 1200px;
  margin: 0 auto;
}
.nav-logo {
  font-family: 'Instrument Serif', serif;
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--ink);
}
.nav-tagline {
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Hero */
.hero {
  padding: 5rem 3rem 3rem;
  max-width: 1200px;
  margin: 0 auto;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  margin-bottom: 4rem;
}
.hero-headline {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  line-height: 1.15;
  color: var(--ink);
  margin-bottom: 1.25rem;
}
.hero-sub {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 480px;
  line-height: 1.7;
}

/* Proposal Preview */
.proposal-preview {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 32px rgba(26,26,46,0.08);
}
.preview-header {
  background: #f0ede8;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  border-bottom: 1px solid var(--border);
}
.preview-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #d0cbc4;
  display: inline-block;
}
.preview-title {
  font-size: 0.75rem;
  color: var(--muted);
  margin-left: 0.5rem;
  font-weight: 500;
}
.preview-body {
  padding: 1.25rem;
}
.preview-section {
  margin-bottom: 1.25rem;
}
.preview-section:last-child { margin-bottom: 0; }
.preview-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 0.3rem;
}
.preview-text {
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.5;
}
.preview-text--active {
  color: var(--fg);
  font-size: 0.82rem;
}
.preview-badge {
  margin-top: 1rem;
  padding: 0.4rem 0.75rem;
  background: var(--accent);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: 20px;
  display: inline-block;
}

/* Hero Stats */
.hero-stats {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  padding: 2rem 2.5rem;
  background: var(--ink);
  border-radius: 12px;
}
.stat { text-align: center; }
.stat-value {
  font-family: 'Instrument Serif', serif;
  font-size: 2rem;
  color: var(--accent);
  display: block;
}
.stat-label {
  font-size: 0.78rem;
  color: #8888a0;
  margin-top: 0.2rem;
  display: block;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: #2a2a4a;
}

/* Section Labels */
.section-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 2.5rem;
}

/* Problem */
.problem {
  padding: 5rem 3rem;
  background: var(--ink);
}
.problem-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.problem .section-label { color: var(--accent); }
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.problem-card {
  padding: 2rem;
  border: 1px solid #2a2a4a;
  border-radius: 10px;
  background: #13132a;
}
.problem-icon {
  font-size: 1.5rem;
  color: var(--accent);
  margin-bottom: 1rem;
  font-family: 'Instrument Serif', serif;
}
.problem-card h3 {
  font-family: 'Instrument Serif', serif;
  font-size: 1.1rem;
  color: #f0ede8;
  margin-bottom: 0.75rem;
}
.problem-card p {
  font-size: 0.9rem;
  color: #8888a0;
  line-height: 1.65;
}

/* Features */
.features {
  padding: 5rem 3rem;
}
.features-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem 4rem;
}
.feature-item {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}
.feature-number {
  font-family: 'Instrument Serif', serif;
  font-size: 2.5rem;
  color: var(--accent);
  opacity: 0.4;
  line-height: 1;
  flex-shrink: 0;
  width: 3rem;
  text-align: right;
}
.feature-content h3 {
  font-family: 'Instrument Serif', serif;
  font-size: 1.15rem;
  color: var(--ink);
  margin-bottom: 0.5rem;
}
.feature-content p {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.65;
}

/* Process */
.process {
  padding: 5rem 3rem;
  background: var(--ink);
}
.process-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.process-steps {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.step {
  flex: 1;
  padding: 2rem;
  background: #13132a;
  border: 1px solid #2a2a4a;
  border-radius: 10px;
}
.step-marker {
  width: 36px;
  height: 36px;
  background: var(--accent);
  color: #fff;
  font-family: 'Instrument Serif', serif;
  font-size: 1.1rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  font-weight: 400;
}
.step-body h3 {
  font-family: 'Instrument Serif', serif;
  font-size: 1.05rem;
  color: #f0ede8;
  margin-bottom: 0.5rem;
}
.step-body p {
  font-size: 0.85rem;
  color: #8888a0;
  line-height: 1.6;
}
.step-arrow {
  font-size: 1.5rem;
  color: #3a3a5a;
  flex-shrink: 0;
}

/* Manifesto */
.manifesto {
  padding: 5rem 3rem;
  background: linear-gradient(135deg, #0d0d1f 0%, #1a1a2e 100%);
}
.manifesto-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}
.manifesto-text {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(1.4rem, 3vw, 2rem);
  color: #f0ede8;
  line-height: 1.4;
  margin-bottom: 1.5rem;
}
.manifesto-sub {
  font-size: 1rem;
  color: #8888a0;
  line-height: 1.7;
}

/* Closing */
.closing {
  padding: 5rem 3rem;
  background: var(--accent);
}
.closing-inner {
  max-width: 800px;
  margin: 0 auto;
}
.closing-headline {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  color: var(--ink);
  margin-bottom: 1rem;
  line-height: 1.3;
}
.closing-sub {
  font-size: 1rem;
  color: #004d3d;
  line-height: 1.7;
  max-width: 600px;
}

/* Footer */
.site-footer {
  padding: 1.5rem 3rem;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-brand {
  font-family: 'Instrument Serif', serif;
  font-size: 1rem;
  color: var(--ink);
}
.footer-note {
  font-size: 0.75rem;
  color: var(--muted);
}

/* Responsive */
@media (max-width: 768px) {
  .site-nav { padding: 1rem 1.5rem; }
  .hero { padding: 3rem 1.5rem 2rem; }
  .hero-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .proposal-preview { display: none; }
  .hero-stats { flex-direction: column; gap: 1.5rem; }
  .stat-divider { width: 60px; height: 1px; }
  .problem { padding: 3rem 1.5rem; }
  .problem-grid { grid-template-columns: 1fr; gap: 1rem; }
  .features { padding: 3rem 1.5rem; }
  .features-grid { grid-template-columns: 1fr; gap: 2rem; }
  .feature-number { font-size: 2rem; }
  .process { padding: 3rem 1.5rem; }
  .process-steps { flex-direction: column; }
  .step-arrow { transform: rotate(90deg); }
  .manifesto { padding: 3rem 1.5rem; }
  .closing { padding: 3rem 1.5rem; }
  .site-footer { padding: 1.5rem; }
}