:root {
  --bg: #f2f3f5;
  --card: #ffffff;
  --text: #111111;
  --muted: #444444;
  --faint: #666666;
  --line: #d6d9df;
  --accent: #2b5cff;
  --max: 860px;
  --radius: 14px;
}

html { color-scheme: light; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 44px 18px 80px;
}

header {
  border-bottom: 1px solid var(--line);
  padding-bottom: 18px;
  margin-bottom: 26px;
}

.brand-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.brand-link {
  display: inline-flex;
  color: var(--text);
}

.brand-link:hover { color: var(--accent); text-decoration: none; }

.brand-mark {
  width: 36px;
  height: 36px;
  display: block;
}

.brand-row .site { margin: 0; }

.site {
  font-size: 13px;
  color: var(--faint);
  text-transform: uppercase;
  letter-spacing: .18em;
}

h1 {
  margin: 8px 0 0;
  font-size: clamp(26px, 3.3vw, 36px);
  font-weight: 650;
}

.subtitle {
  margin-top: 10px;
  color: var(--muted);
  max-width: 58ch;
  font-size: 15px;
}

nav {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

nav a {
  border: 1px solid var(--line);
  background: #fafafa;
  padding: 8px 10px;
  border-radius: 10px;
  font-size: 13px;
  color: var(--muted);
}

nav a:hover { border-color: var(--accent); }

section {
  margin-top: 22px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

h2 {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 650;
}

p {
  margin: 0 0 12px;
  color: var(--muted);
}

ul {
  margin: 10px 0 14px 18px;
  color: var(--muted);
}

li { margin: 8px 0; }

footer {
  margin-top: 32px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
  color: var(--faint);
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

/* Portfolio grid */

.grid-group { margin-top: 28px; }

.group-label {
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--faint);
  margin: 0 0 12px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
  text-decoration: none;
}

a.card:hover { border-color: var(--accent); }

.card-name {
  font-weight: 650;
  font-size: 16px;
  margin: 0 0 6px;
  color: var(--text);
}

.card-tagline {
  font-size: 14px;
  color: var(--muted);
  margin: 0 0 10px;
  line-height: 1.5;
}

.badge {
  display: inline-block;
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 6px;
}

.badge-live { background: #e8f5e9; color: #2e7d32; }
.badge-coming-soon { background: #f5f5f5; color: var(--faint); }

/* Contact form */

form {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  max-width: 520px;
}

label {
  display: block;
  margin-top: 12px;
  font-size: 14px;
  color: var(--muted);
}

input, textarea, select {
  width: 100%;
  box-sizing: border-box;
  padding: 10px;
  margin-top: 6px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
  background: #fff;
}

textarea { min-height: 120px; resize: vertical; }

button {
  margin-top: 14px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  background: #fafafa;
  border-radius: 10px;
  font-size: 14px;
  color: var(--muted);
  cursor: pointer;
}

button:hover { border-color: var(--accent); }

@media print {
  nav { display: none !important; }
}

/* TPI additions */

.metric-row {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin: 6px 0 4px;
}

.metric {
  flex: 1 1 160px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.metric-value {
  font-size: clamp(28px, 4.2vw, 40px);
  font-weight: 650;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
  color: var(--text);
}

.metric-label {
  margin-top: 6px;
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--faint);
}

.chart {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  overflow-x: auto;
}

.chart svg {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}

.chart-empty {
  color: var(--faint);
  font-size: 14px;
  padding: 60px 0;
  text-align: center;
}

.chart-line {
  fill: none;
  stroke: var(--accent);
  stroke-width: 2;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.chart-axis {
  stroke: var(--line);
  stroke-width: 1;
}

.chart-tick {
  font: 11px system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  fill: var(--faint);
}

.chart-baseline {
  stroke: var(--line);
  stroke-width: 1;
  stroke-dasharray: 3 3;
}

.constituent-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

.constituent-table th,
.constituent-table td {
  border-bottom: 1px solid var(--line);
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
  color: var(--muted);
}

.constituent-table th {
  font-weight: 650;
  color: var(--text);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.constituent-table td.num,
.constituent-table th.num {
  text-align: right;
}

.constituent-table tr.category-row td {
  border-bottom: none;
  padding-top: 18px;
  padding-bottom: 4px;
}

.glance-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 6px 18px;
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  color: var(--muted);
}

.glance-list li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px dotted var(--line);
  padding: 4px 0;
  margin: 0;
}

.glance-list .glance-name { color: var(--text); }
.glance-list .glance-value { color: var(--muted); }

.download-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 6px 0 4px;
}

.download-row a {
  border: 1px solid var(--line);
  background: #fafafa;
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 14px;
  color: var(--muted);
}

.download-row a:hover { border-color: var(--accent); text-decoration: none; }

.calc-list {
  list-style: none;
  padding: 0;
  margin: 4px 0 0;
  font-variant-numeric: tabular-nums;
  font-size: 14px;
}

.calc-list li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px dotted var(--line);
  padding: 6px 0;
  margin: 0;
  color: var(--muted);
}

.calc-list .calc-name { color: var(--text); }

.calc-total {
  margin-top: 10px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  font-variant-numeric: tabular-nums;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.calc-total .calc-name { color: var(--text); font-weight: 650; }
.calc-total .calc-value { color: var(--text); font-weight: 650; }

.source-notes {
  font-size: 14px;
}

.source-notes dt {
  color: var(--text);
  font-weight: 650;
  margin-top: 10px;
}

.source-notes dd {
  margin: 4px 0 0;
  color: var(--muted);
}