:root {
  --bg: #F4F1EC;
  --bg-alt: #ECEAE3;
  --fg: #1A1A18;
  --fg-secondary: #5C5B56;
  --accent: #C8960A;
  --accent-dark: #A67C08;
  --border: #D8D5CE;
  --surface: #FFFFFF;
  --danger: #B8380A;
}

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

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Instrument Sans', system-ui, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: 'Instrument Serif', Georgia, serif;
  font-weight: 400;
  line-height: 1.15;
}

/* ── Header ── */
.site-header {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.wordmark {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: 1.25rem;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.header-nav {
  display: flex;
  gap: 2rem;
}

.header-nav a {
  color: var(--fg-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: color 0.2s;
}

.header-nav a:hover { color: var(--fg); }

/* ── Hero ── */
.hero {
  padding: 7rem 0 6rem;
  border-bottom: 1px solid var(--border);
}

.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

.hero-eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2rem;
}

.hero-headline {
  font-size: clamp(2.75rem, 6vw, 5rem);
  color: var(--fg);
  margin-bottom: 2rem;
  max-width: 14ch;
  letter-spacing: -0.02em;
}

.hero-lede {
  font-size: 1.125rem;
  color: var(--fg-secondary);
  max-width: 52ch;
  margin-bottom: 4rem;
  line-height: 1.65;
}

.hero-callout {
  display: flex;
  gap: 3rem;
  border-top: 1px solid var(--border);
  padding-top: 3rem;
  flex-wrap: wrap;
}

.callout-stat {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.stat-number {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: 2.5rem;
  color: var(--fg);
  letter-spacing: -0.02em;
}

.stat-desc {
  font-size: 0.9375rem;
  color: var(--fg-secondary);
  max-width: 28ch;
}

/* ── Problem ── */
.the-problem {
  padding: 6rem 0;
  border-bottom: 1px solid var(--border);
}

.section-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

.problem-col-text {
  max-width: 60ch;
}

.problem-col-text h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.problem-col-text p {
  color: var(--fg-secondary);
  font-size: 1.0625rem;
  margin-bottom: 1.25rem;
}

.problem-col-vert {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  margin-top: 2rem;
  padding: 1.5rem;
  background: var(--bg-alt);
  border-left: 3px solid var(--accent);
}

.vert-line { display: none; }

.vert-label {
  font-size: 0.9375rem;
  color: var(--fg-secondary);
  font-style: italic;
  line-height: 1.5;
}

/* ── Features ── */
.features {
  padding: 6rem 0;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.section-header {
  margin-bottom: 4rem;
}

.section-headline {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.section-sub {
  font-size: 1rem;
  color: var(--fg-secondary);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2.5rem;
}

.feature-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.feature-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--accent);
}

.feature-title {
  font-family: 'Instrument Sans', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--fg);
  letter-spacing: -0.01em;
}

.feature-body {
  font-size: 0.9375rem;
  color: var(--fg-secondary);
  line-height: 1.6;
}

/* ── Timeline ── */
.timeline-section {
  padding: 6rem 0;
  border-bottom: 1px solid var(--border);
}

.timeline-header { margin-bottom: 4rem; }

.timeline-rows {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.timeline-row {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 2rem;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--border);
}

.timeline-row:last-child { border-bottom: none; }

.timeline-date {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding-top: 0.25rem;
}

.timeline-row.past .timeline-date { color: var(--fg-secondary); }
.timeline-row.active .timeline-date { color: var(--accent); }
.timeline-row.future .timeline-date { color: var(--fg); }

.timeline-body { display: flex; gap: 1.5rem; }

.timeline-marker {
  width: 10px;
  min-height: 10px;
  border-radius: 50%;
  margin-top: 0.4rem;
  flex-shrink: 0;
}

.timeline-row.past .timeline-marker { background: var(--fg-secondary); }
.timeline-row.active .timeline-marker { background: var(--accent); box-shadow: 0 0 0 4px rgba(200,150,10,0.2); }
.timeline-row.future .timeline-marker { background: transparent; border: 2px solid var(--fg); }

.timeline-content h4 {
  font-family: 'Instrument Sans', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.timeline-content p {
  font-size: 0.9375rem;
  color: var(--fg-secondary);
  line-height: 1.6;
}

/* ── Manifesto ── */
.manifesto {
  padding: 5rem 0;
  border-bottom: 1px solid var(--border);
  background: var(--fg);
}

.manifesto-quote { max-width: 62ch; margin: 0 auto; padding: 0 2rem; }

.quote-text {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: clamp(1.375rem, 2.5vw, 1.875rem);
  color: var(--bg);
  line-height: 1.5;
  letter-spacing: -0.01em;
  font-style: italic;
}

.quote-attr {
  font-size: 0.875rem;
  color: var(--fg-secondary);
  margin-top: 1.5rem;
}

/* ── Closing ── */
.closing {
  padding: 7rem 0;
  background: var(--bg-alt);
}

.closing-headline {
  font-size: clamp(1.75rem, 4vw, 3rem);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.closing-sub {
  font-size: 1.0625rem;
  color: var(--fg-secondary);
  max-width: 48ch;
}

/* ── Footer ── */
.site-footer {
  padding: 3rem 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-wordmark {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}

.footer-tagline {
  font-size: 0.8125rem;
  color: var(--fg-secondary);
}

.footer-meta p {
  font-size: 0.8125rem;
  color: var(--fg-secondary);
  max-width: 40ch;
  line-height: 1.5;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .hero { padding: 5rem 0 4rem; }
  .the-problem, .features, .timeline-section { padding: 4rem 0; }
  .manifesto { padding: 4rem 0; }
  .closing { padding: 5rem 0; }
  .hero-callout { flex-direction: column; gap: 2rem; }
  .timeline-row { grid-template-columns: 70px 1fr; gap: 1rem; }
  .header-nav { display: none; }
}

@media (max-width: 480px) {
  .hero-headline { font-size: 2.5rem; }
  .feature-grid { grid-template-columns: 1fr; }
}