@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;700&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --ground: #F6F5F1;
  --paper: #FFFFFF;
  --ink: #16181A;
  --ink-2: #3F4448;
  --muted: #5C6166;
  --line: #D9D7D0;
  --track: #ECEAE4;
  --accent: #1F5C4F;
  --accent-2: #C2703D;
  --accent-2-text: #9A5226;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--ground); color: var(--ink); font-family: Inter, system-ui, sans-serif; line-height: 1.5; }
a { color: var(--ink); }
a:hover { color: var(--accent); }

.wrap { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.mono { font-family: 'IBM Plex Mono', monospace; }
.display { font-family: 'Space Grotesk', sans-serif; }

/* Header */
.site-header { border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; padding-top: 18px; padding-bottom: 18px; }
.logo { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 26px; letter-spacing: -0.02em; text-decoration: none; }
.logo span { color: var(--accent); }
.nav { display: flex; flex-wrap: wrap; gap: 22px; font-size: 14px; }
.nav a { text-decoration: none; }
.nav a[aria-current="page"] { color: var(--accent); font-weight: 600; }

main.wrap { padding-top: 32px; padding-bottom: 64px; display: flex; flex-direction: column; gap: 40px; }

/* Page head */
.crumb { font-family: 'IBM Plex Mono', monospace; font-size: 12px; color: var(--muted); letter-spacing: 0.04em; text-transform: uppercase; }
.page-head { display: flex; flex-wrap: wrap; gap: 16px; align-items: flex-end; justify-content: space-between; }
h1 { margin: 0; font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: clamp(44px, 8vw, 64px); line-height: 1; letter-spacing: -0.03em; }
.lede { margin: 10px 0 0; font-size: 17px; color: var(--ink-2); max-width: 640px; }
.badges { display: flex; flex-direction: column; gap: 8px; align-items: flex-start; }
.badge { font-family: 'IBM Plex Mono', monospace; font-size: 12px; padding: 6px 10px; border: 1px solid var(--accent); color: var(--accent); text-transform: uppercase; }
.stamp { font-family: 'IBM Plex Mono', monospace; font-size: 12px; color: var(--muted); }

/* KPI grid */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); border-top: 1px solid var(--ink); border-left: 1px solid var(--line); }
.kpi { padding: 20px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); display: flex; flex-direction: column; gap: 8px; }
.kpi .k-label { font-family: 'IBM Plex Mono', monospace; font-size: 11px; color: var(--muted); letter-spacing: 0.04em; text-transform: uppercase; }
.kpi .k-value { font-family: 'Space Grotesk', sans-serif; font-size: 40px; font-weight: 500; letter-spacing: -0.02em; line-height: 1.1; }
.kpi .k-value.accent { color: var(--accent); }
.kpi .k-detail { font-size: 14px; color: var(--ink-2); line-height: 1.45; }

/* Panels */
.panels { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 24px; }
@media (max-width: 400px) { .panels { grid-template-columns: 1fr; } }
.panel { background: var(--paper); border: 1px solid var(--line); padding: 24px; display: flex; flex-direction: column; gap: 16px; }
.panel h2 { margin: 0; font-family: 'Space Grotesk', sans-serif; font-size: 22px; font-weight: 500; }
.panel .sub { margin: 6px 0 0; font-size: 14px; color: var(--muted); }
.panel .more { font-size: 13px; }
.panel.dark { background: var(--ink); color: var(--ground); border-color: var(--ink); }
.panel.dark .k-label { font-family: 'IBM Plex Mono', monospace; font-size: 11px; letter-spacing: 0.04em; color: #B9BCC0; text-transform: uppercase; }
.panel.dark .big { font-family: 'Space Grotesk', sans-serif; font-size: 56px; font-weight: 500; letter-spacing: -0.02em; line-height: 1; }
.panel.dark p { margin: 0; color: #D6D8DA; }
.panel.dark .note { font-size: 13px; color: #B9BCC0; }
.panel.dark a { color: var(--ground); }

/* Bars */
.bars { display: flex; flex-direction: column; gap: 8px; }
.bar-row { display: grid; grid-template-columns: 52px minmax(0, 1fr) 56px; gap: 10px; align-items: center; }
.bar-row .d { font-family: 'IBM Plex Mono', monospace; font-size: 12px; color: var(--muted); }
.bar-row .v { font-family: 'IBM Plex Mono', monospace; font-size: 13px; text-align: right; line-height: 1.3; }
.bar-row .v .b { color: var(--accent-2-text); font-size: 12px; }
.track { height: 14px; background: var(--track); }
.fill { height: 100%; background: var(--accent); }
.pair { display: flex; flex-direction: column; gap: 3px; }
.pair .fill { height: 8px; }
.pair .fill.b { background: var(--accent-2); }
.legend { display: flex; flex-wrap: wrap; gap: 16px; font-size: 13px; color: var(--ink-2); }
.legend span { display: flex; gap: 6px; align-items: center; }
.sw { width: 12px; height: 12px; display: inline-block; flex: none; }

.stack { display: flex; height: 28px; gap: 2px; }
.stack div { height: 28px; }
.cat-list { display: flex; flex-direction: column; gap: 6px; }
.cat { display: grid; grid-template-columns: 14px minmax(0, 1fr) 40px; gap: 10px; align-items: center; font-size: 14px; color: var(--ink-2); }
.cat .n { font-family: 'IBM Plex Mono', monospace; font-size: 13px; text-align: right; color: var(--ink); }
.panel .foot { margin: 0; font-size: 14px; color: var(--ink-2); border-top: 1px solid var(--track); padding-top: 12px; }

/* Reading notes */
.reading { border-top: 1px solid var(--ink); padding-top: 20px; display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; font-size: 13px; color: var(--ink-2); }
.reading .k-label { font-family: 'IBM Plex Mono', monospace; font-size: 11px; color: var(--muted); margin-bottom: 6px; text-transform: uppercase; }

/* Home */
.hero h1 { font-size: clamp(40px, 7vw, 72px); max-width: 900px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.card { background: var(--paper); border: 1px solid var(--line); padding: 24px; display: flex; flex-direction: column; gap: 10px; text-decoration: none; }
.card:hover { border-color: var(--accent); }
.card h3 { margin: 0; font-family: 'Space Grotesk', sans-serif; font-size: 22px; font-weight: 500; }
.card p { margin: 0; font-size: 14px; color: var(--ink-2); }

.placeholder { background: var(--paper); border: 1px dashed var(--line); padding: 32px; color: var(--ink-2); max-width: 720px; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); }
.site-footer .wrap { padding-top: 20px; padding-bottom: 32px; display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; font-size: 13px; color: var(--muted); }