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

:root {
  --bg: #F8F6F1;
  --fg: #1A1A1A;
  --accent: #C9550D;
  --green: #1E3A2F;
  --muted: #6B6560;
  --surface: #EDEBE5;
  --border: #D8D5CE;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Source Sans 3', system-ui, sans-serif;

  --max-w: 1200px;
  --pad-x: clamp(24px, 5vw, 80px);
  --pad-section: clamp(64px, 10vw, 120px);
}

html { font-size: 16px; scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* — Typography — */
h1, h2, h3 { font-family: var(--font-display); font-weight: 700; line-height: 1.15; }
h1 { font-size: clamp(2rem, 4vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.1rem, 1.8vw, 1.4rem); }

.overline {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.2rem;
  display: block;
}

.body-lead {
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  color: var(--muted);
  line-height: 1.7;
  margin-top: 1.25rem;
}

/* — Nav — */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px var(--pad-x);
  max-width: var(--max-w);
  margin: 0 auto;
  border-bottom: 1px solid var(--border);
}
.nav-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.nav-tagline {
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* — Mandate — */
.mandate {
  padding: var(--pad-section) var(--pad-x);
  max-width: var(--max-w);
  margin: 0 auto;
}
.mandate-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: start;
}
.mandate-left h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  margin-top: 0.5rem;
  max-width: 18ch;
}
.mandate-right {
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-left: 1px solid var(--border);
  padding-left: clamp(24px, 4vw, 48px);
}
.stat-block {
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}
.stat-block:last-child { border-bottom: none; }
.stat-block.accent .stat-number { color: var(--accent); }
.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 700;
  line-height: 1;
  color: var(--green);
  margin-bottom: 8px;
}
.stat-label {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.4;
}

/* — Supply — */
.supply {
  padding: var(--pad-section) var(--pad-x);
  background: var(--green);
  color: var(--bg);
}
.supply-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}
.supply .overline { color: #A8C4B0; }
.supply h2 {
  color: var(--bg);
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  max-width: 20ch;
}
.feedstock-block {
  border-left: 1px solid rgba(255,255,255,0.2);
  padding-left: clamp(24px, 4vw, 48px);
}
.feedstock-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #A8C4B0;
  margin-bottom: 12px;
}
.feedstock-desc {
  font-size: 1rem;
  line-height: 1.75;
  color: rgba(248,246,241,0.8);
}

/* — Thesis — */
.thesis {
  padding: var(--pad-section) var(--pad-x);
  max-width: var(--max-w);
  margin: 0 auto;
}
.thesis-inner {
  max-width: 680px;
}
.thesis h2 { margin-top: 0.5rem; margin-bottom: 1.5rem; max-width: 16ch; }
.thesis-body {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--muted);
}
.thesis-note {
  margin-top: 2rem;
  font-size: 0.95rem;
  color: var(--fg);
  font-weight: 500;
  border-left: 3px solid var(--accent);
  padding-left: 1.25rem;
  line-height: 1.6;
}

/* — Asset — */
.asset {
  padding: var(--pad-section) var(--pad-x);
  background: var(--surface);
}
.asset-inner { max-width: var(--max-w); margin: 0 auto; }
.asset-label-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 1.5rem;
}
.location-tag {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(201,85,13,0.1);
  padding: 4px 10px;
  border-radius: 2px;
}
.asset-type {
  font-size: 0.8rem;
  color: var(--muted);
}
.asset-headline {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  margin-bottom: 2.5rem;
}
.asset-specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.spec {
  background: var(--bg);
  padding: clamp(20px, 3vw, 32px);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.spec-value {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  font-weight: 700;
  color: var(--green);
  line-height: 1.1;
}
.spec-unit {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.spec-label {
  font-size: 0.82rem;
  color: var(--muted);
}

/* — Investment — */
.investment {
  padding: var(--pad-section) var(--pad-x);
  max-width: var(--max-w);
  margin: 0 auto;
}
.investment h2 { margin-top: 0.5rem; margin-bottom: 0.75rem; max-width: 18ch; }
.investment-sub {
  font-size: 1rem;
  color: var(--muted);
  margin-bottom: 3rem;
  max-width: 50ch;
}
.investment-tiers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(24px, 4vw, 48px);
}
.tier { }
.tier-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--surface);
  line-height: 1;
  margin-bottom: 1rem;
}
.tier h3 {
  font-size: 1rem;
  font-family: var(--font-body);
  font-weight: 600;
  margin-bottom: 0.75rem;
}
.tier p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--muted);
}

/* — Closing — */
.closing {
  padding: var(--pad-section) var(--pad-x);
  max-width: var(--max-w);
  margin: 0 auto;
}
.closing-inner { max-width: 640px; }
.closing h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-style: italic;
  margin-bottom: 1.25rem;
  max-width: 14ch;
}
.closing p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--muted);
}

/* — Footer — */
footer {
  padding: 40px var(--pad-x);
  border-top: 1px solid var(--border);
  max-width: var(--max-w);
  margin: 0 auto;
}
.footer-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-brand {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
}
.footer-meta {
  display: flex;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--muted);
  align-items: center;
}
.footer-partner {
  margin-left: auto;
  font-size: 0.78rem;
  color: var(--muted);
}

/* — Responsive — */
@media (max-width: 900px) {
  .mandate-inner { grid-template-columns: 1fr; }
  .mandate-right { border-left: none; padding-left: 0; border-top: 1px solid var(--border); padding-top: 2rem; }
  .supply-inner { grid-template-columns: 1fr; }
  .feedstock-block { border-left: none; padding-left: 0; border-top: 1px solid rgba(255,255,255,0.2); padding-top: 1.5rem; }
  .asset-specs { grid-template-columns: repeat(2, 1fr); }
  .investment-tiers { grid-template-columns: 1fr; }
  .footer-partner { margin-left: 0; width: 100%; }
}
@media (max-width: 600px) {
  .asset-specs { grid-template-columns: 1fr; }
}