:root {
  --ink: #18242b;
  --muted: #5f6c72;
  --paper: #f6f7f3;
  --card: #ffffff;
  --line: #dce2df;
  --navy: #17343b;
  --teal: #2f7f78;
  --orange: #e27a44;
  --soft: #e7f0ec;
  --shadow: 0 18px 50px rgba(18, 45, 49, 0.09);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }

.shell { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(246,247,243,.9); backdrop-filter: blur(16px); border-bottom: 1px solid rgba(220,226,223,.8); }
.nav { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { text-decoration: none; font-weight: 800; letter-spacing: -.02em; color: var(--navy); }
.nav-links { display: flex; gap: 24px; font-size: .88rem; color: var(--muted); }
.nav-links a { text-decoration: none; }
.nav-links a:hover { color: var(--teal); }

.hero { display: grid; grid-template-columns: 1.15fr .85fr; gap: 80px; padding: 108px 0 84px; align-items: end; }
.eyebrow, .card-kicker, .panel-label { margin: 0 0 12px; color: var(--teal); text-transform: uppercase; letter-spacing: .14em; font-size: .72rem; font-weight: 800; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 760px; margin-bottom: 24px; font-size: clamp(3.6rem, 8vw, 7.7rem); line-height: .92; letter-spacing: -.08em; font-weight: 800; color: var(--navy); }
h1 span { color: var(--orange); }
.hero-lede { max-width: 600px; font-size: 1.25rem; color: var(--muted); }
.hero-note { max-width: 590px; margin: 34px 0 0; padding-left: 16px; border-left: 3px solid var(--orange); color: var(--muted); font-size: .92rem; }
.hero-panel { padding: 32px; background: var(--navy); color: white; border-radius: 20px; box-shadow: var(--shadow); }
.hero-panel .panel-label { color: #8ed4c3; }
.hero-panel p { font-size: 1.35rem; line-height: 1.3; letter-spacing: -.02em; }
.panel-rule { height: 1px; background: rgba(255,255,255,.2); margin: 28px 0 20px; }
.panel-meta { display: flex; justify-content: space-between; gap: 16px; padding: 7px 0; color: #b9c8c8; font-size: .8rem; }
.panel-meta strong { color: white; text-align: right; font-weight: 600; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; padding-bottom: 88px; }
.stat-card { padding: 24px; background: var(--card); border: 1px solid var(--line); border-radius: 16px; }
.stat-card.accent { background: var(--orange); color: white; border-color: var(--orange); }
.stat-label, .stat-detail { display: block; font-size: .78rem; color: var(--muted); }
.accent .stat-label, .accent .stat-detail { color: rgba(255,255,255,.82); }
.stat-card strong { display: block; margin: 8px 0 2px; font-size: 2.25rem; line-height: 1; letter-spacing: -.05em; }

.section { padding: 96px 0; }
.section-tint { background: var(--soft); }
.section-heading { max-width: 700px; margin-bottom: 42px; }
.section-heading h2 { margin-bottom: 16px; color: var(--navy); font-size: clamp(2.2rem, 5vw, 4.5rem); line-height: .98; letter-spacing: -.06em; }
.section-heading p { color: var(--muted); font-size: 1.04rem; }
.two-column, .model-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.content-card, .decision-card, .capacity-card, .action-card { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 30px; box-shadow: 0 10px 35px rgba(18,45,49,.04); }
.dark-card { background: var(--navy); color: white; border-color: var(--navy); }
.dark-card .card-kicker { color: #8ed4c3; }
.dark-card h3 { color: white; }
h3 { margin-bottom: 12px; color: var(--navy); font-size: 1.45rem; letter-spacing: -.03em; }
.clean-list { padding-left: 20px; margin: 18px 0 0; color: #d9e4e1; }
.clean-list li + li { margin-top: 13px; }
code { padding: 2px 5px; border-radius: 4px; background: rgba(0,0,0,.07); font-size: .9em; }
.dark-card code { background: rgba(255,255,255,.12); }

.data-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.data-table th, .data-table td { padding: 12px 8px; border-bottom: 1px solid var(--line); text-align: right; white-space: nowrap; }
.data-table th:first-child, .data-table td:first-child { text-align: left; }
.data-table th { color: var(--muted); font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; }
.table-note, .muted { margin: 18px 0 0; color: var(--muted); font-size: .82rem; }
.model-grid { margin-bottom: 26px; }
.decision-card { background: var(--navy); color: white; border-color: var(--navy); }
.decision-card .card-kicker { color: #8ed4c3; }
.decision-card h3 { color: white; }
.decision-card p { color: #d9e4e1; }
.decision-card .muted { color: #a9bfbd; }
.chart-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 20px; }
.chart-card { margin: 0; padding: 16px; background: white; border: 1px solid var(--line); border-radius: 18px; }
.chart-card img { width: 100%; border-radius: 10px; background: #fff; }
.chart-card figcaption { padding: 14px 4px 2px; color: var(--muted); font-size: .82rem; }
.capacity-card { display: grid; grid-template-columns: 1fr 1.3fr; gap: 30px; align-items: center; margin-top: 20px; }
.capacity-card h3 { margin-bottom: 0; }
.compact th, .compact td { padding: 9px 8px; }

.action-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.action-number { display: inline-grid; place-items: center; width: 34px; height: 34px; margin-bottom: 28px; border-radius: 50%; background: var(--soft); color: var(--teal); font-weight: 800; font-size: .8rem; }
.action-card p { margin-bottom: 0; color: var(--muted); }
.limits-box { display: grid; grid-template-columns: .85fr 1.15fr; gap: 40px; margin-top: 34px; padding: 30px; border: 1px solid #efc7b2; border-radius: 18px; background: #fff5ee; }
.limits-box p:last-child { margin: 0; color: #68574e; }

.site-footer { padding: 28px 0; background: var(--navy); color: #b9c8c8; font-size: .82rem; }
.footer-inner { display: flex; justify-content: space-between; gap: 20px; }

@media (max-width: 840px) {
  .hero { grid-template-columns: 1fr; gap: 36px; padding-top: 76px; }
  .stats { grid-template-columns: repeat(2, 1fr); padding-bottom: 60px; }
  .two-column, .model-grid, .chart-grid, .capacity-card, .limits-box { grid-template-columns: 1fr; }
  .action-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .shell { width: min(100% - 32px, 1180px); }
  .nav { min-height: 62px; }
  .nav-links { gap: 12px; font-size: .74rem; }
  .hero { padding: 58px 0 60px; }
  h1 { font-size: 3.5rem; }
  .stats { gap: 8px; }
  .stat-card { padding: 18px; }
  .stat-card strong { font-size: 1.8rem; }
  .section { padding: 68px 0; }
  .content-card, .decision-card, .capacity-card, .action-card { padding: 22px; }
  .data-table { font-size: .78rem; }
  .data-table th, .data-table td { padding: 9px 5px; }
  .footer-inner { flex-direction: column; }
}