:root {
  --bg: #0f1117;
  --surface: #171a21;
  --surface-2: #1f232d;
  --text: #e6e8ee;
  --text-dim: #a3a8b5;
  --accent: #2f9bff;
  --accent-2: #19c37d;
  --accent-3: #ff6500;
  --loss: #e5484d;
  --border: #2a2f3a;
  --radius: 14px;
  --max: 1100px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

img { max-width: 100%; display: block; }

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Navigation ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(15, 17, 23, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 66px;
}
.brand {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
  letter-spacing: -0.02em;
}
.brand span { color: var(--accent-2); }
.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
}
.nav-links a {
  color: var(--text-dim);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-links a.active { color: var(--text); }
.nav-toggle {
  display: none;
  background: none;
  border: 0;
  color: var(--text);
  font-size: 1.6rem;
  cursor: pointer;
  line-height: 1;
}

/* ---------- Hero ---------- */
.hero {
  padding: 110px 0 90px;
  text-align: center;
  background:
    radial-gradient(55% 55% at 50% 0%, rgba(47, 155, 255, 0.09), transparent 70%);
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 18px;
}
.hero h1 .grad {
  color: var(--accent-2);
}
.hero p {
  color: var(--text-dim);
  font-size: 1.15rem;
  max-width: 620px;
  margin: 0 auto 32px;
}

.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.97rem;
  transition: transform 0.12s, box-shadow 0.15s;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn-primary {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 6px 18px rgba(47, 155, 255, 0.25);
}
.btn-ghost {
  border: 1px solid var(--border);
  color: var(--text);
  margin-left: 12px;
}
.btn-ghost:hover { background: var(--surface-2); }

/* ---------- Sections ---------- */
.section { padding: 80px 0; }
.section-title {
  font-size: 1.9rem;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}
.section-sub {
  color: var(--text-dim);
  margin-bottom: 44px;
  max-width: 620px;
}

/* ---------- Project grid ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
  gap: 22px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  transition: transform 0.15s, border-color 0.15s;
}
.card:hover { transform: translateY(-4px); border-color: var(--accent); }
.card .tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  background: rgba(47, 155, 255, 0.14);
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.card h3 { font-size: 1.2rem; margin-bottom: 8px; }
.card p { color: var(--text-dim); font-size: 0.95rem; margin-bottom: 16px; }
.card .links a { font-size: 0.9rem; font-weight: 600; margin-right: 18px; }

/* ---------- About ---------- */
.about-wrap {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 48px;
  align-items: start;
}
.avatar {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--radius);
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  font-weight: 700;
  color: #fff;
}
.about-text p { color: var(--text-dim); margin-bottom: 16px; }
.skills { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.skills span {
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 0.85rem;
}

/* ---------- Contact ---------- */
.contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  max-width: 560px;
}
.form-row { margin-bottom: 18px; }
.form-row label {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 7px;
  color: var(--text-dim);
}
.form-row input,
.form-row textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
}
.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.form-note {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-top: 14px;
}
.contact-list { list-style: none; margin-top: 26px; }
.contact-list li { margin-bottom: 10px; color: var(--text-dim); }

/* ---------- Calculator ---------- */
.calc-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}
.result-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}
.result-card h3 {
  font-size: 1.1rem;
  margin-bottom: 20px;
  color: var(--text-dim);
}
.result-row {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.97rem;
}
.result-row span { color: var(--text-dim); }
.result-row.total {
  border-bottom: 0;
  margin-top: 8px;
  font-size: 1.25rem;
}
.result-row.total strong {
  color: var(--accent);
}

@media (max-width: 760px) {
  .calc-wrap { grid-template-columns: 1fr; }
}

/* ---------- Prioritization tool ---------- */
.up-card { margin-bottom: 22px; }
.up-row { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
label.btn { cursor: pointer; }
.up-link { font-size: 0.88rem; color: var(--accent); }
.up-schema { font-size: 0.85rem; color: var(--text-dim); margin: 14px 0 0; line-height: 1.6; }
.up-schema code {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 1px 6px;
  font-size: 0.82rem;
}
.up-status { font-size: 0.9rem; margin: 12px 0 0; min-height: 1.2em; }

.kpi-bar { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 20px; }
.kpi-box {
  flex: 1;
  min-width: 180px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
}
.kpi-box span { display: block; color: var(--text-dim); font-size: 0.85rem; margin-bottom: 6px; }
.kpi-box strong { font-size: 1.5rem; color: var(--accent); }

.res-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 14px;
}
.res-head h3 { font-size: 1.05rem; }
.res-head h3 span { color: var(--text-dim); font-weight: 400; font-size: 0.9rem; }
.res-controls { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.res-controls label { font-size: 0.85rem; color: var(--text-dim); }
.res-controls select {
  margin-left: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 7px 10px;
  font-family: inherit;
}
.se-table td.why {
  white-space: normal;
  max-width: 420px;
  font-size: 0.8rem;
  color: var(--text-dim);
}

.cockpit {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
  align-items: stretch;
}
.cockpit > .card-light { display: flex; flex-direction: column; }
.cp-matrix > svg { flex: 1; min-height: 320px; }
.cp-side { justify-content: space-between; }
.cp-side > .card-light { flex: 1; }
.cockpit h3 { font-size: 1.02rem; margin-bottom: 12px; }
.cockpit h3 span { color: var(--text-dim); font-weight: 400; font-size: 0.85rem; }
.cp-matrix svg, .cp-side svg { width: 100%; height: auto; display: block; }
.cp-side { display: flex; flex-direction: column; gap: 16px; }
.cp-q { fill: var(--text-dim); font-size: 11px; font-weight: 700; font-family: var(--font); letter-spacing: 0.04em; opacity: 0.7; }
.cp-ax { fill: var(--text-dim); font-size: 11px; font-family: var(--font); }
.cp-legend {
  display: flex;
  gap: 16px;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-dim);
  margin: 10px 0 0;
}
@media (max-width: 900px) {
  .cockpit { grid-template-columns: 1fr; }
}

.cockpit-toolbar {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 20px;
  margin-bottom: 18px;
}
.cockpit-toolbar label { font-weight: 600; font-size: 0.95rem; color: var(--text); }
.cockpit-toolbar select {
  margin-left: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 8px 12px;
  font-family: inherit;
  font-size: 0.95rem;
}
.ctb-hint { color: var(--text-dim); font-size: 0.82rem; }
.cockpit-toolbar .btn { margin-left: auto; }
.cp-clk:hover rect:first-child { fill: var(--surface-2); }

.insights {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}
.insight { padding: 18px 20px; }
.insight h4 {
  font-size: 0.92rem;
  margin-bottom: 12px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
}
.insight h4 span { color: var(--text-dim); font-weight: 400; font-size: 0.76rem; }
.ins-big {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 10px;
  line-height: 1.2;
}
.ins-big span {
  display: block;
  font-size: 0.78rem;
  font-weight: 400;
  color: var(--text-dim);
  margin-top: 2px;
}
.ins-list { list-style: none; margin: 0; padding: 0; }
.ins-list li {
  font-size: 0.85rem;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
}
.ins-list li:last-child { border-bottom: 0; }
.ins-list em { display: block; font-style: normal; color: var(--text-dim); font-size: 0.78rem; margin-top: 2px; }
.ins-tbl { width: 100%; border-collapse: collapse; font-size: 0.82rem; }
.ins-tbl th {
  text-align: right;
  color: var(--text-dim);
  font-weight: 600;
  padding: 5px 6px;
  border-bottom: 1px solid var(--border);
}
.ins-tbl th:first-child, .ins-tbl td:first-child { text-align: left; }
.ins-tbl td { text-align: right; padding: 6px; border-bottom: 1px solid var(--border); }
.ins-tbl tr:last-child td { border-bottom: 0; }
.ins-note { font-size: 0.78rem; color: var(--text-dim); margin: 8px 0 0; font-style: italic; }

/* ---------- Cash Flow & Runway Simulator ---------- */
.cf-wrap {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 18px;
  align-items: start;
}
.cf-inputs h3 { font-size: 0.95rem; margin-bottom: 12px; }
.cf-inputs .form-row { margin-bottom: 12px; }
.cf-inputs .form-row label { font-size: 0.85rem; }
#cf-industry {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 9px 10px;
  font-family: inherit;
  font-size: 0.9rem;
}
.cf-inputs .form-row input[type="number"] {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 8px 10px;
  font-family: inherit;
}
.seg { display: flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.seg button {
  flex: 1;
  background: var(--surface);
  border: 0;
  padding: 9px 0;
  font-family: inherit;
  font-size: 0.85rem;
  color: var(--text-dim);
  cursor: pointer;
}
.seg button + button { border-left: 1px solid var(--border); }
.seg button.on { background: var(--accent); color: #fff; font-weight: 600; }
.cf-hdr { display: block; font-size: 0.7rem; color: var(--text-dim); font-weight: 400; margin-top: 3px; }
.cf-line { display: grid; gap: 6px; align-items: center; margin-bottom: 6px; }
#cf-inflows .cf-line { grid-template-columns: 1fr 76px 50px 20px; }
#cf-outflows .cf-line { grid-template-columns: 1fr 84px 62px 20px; }
.cf-line input, .cf-line select {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 6px 7px;
  font-family: inherit;
  font-size: 0.8rem;
  width: 100%;
}
.ln-x {
  background: transparent;
  border: 0;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 1.05rem;
  line-height: 1;
  padding: 0;
}
.ln-x:hover { color: var(--loss); }
.cf-add {
  background: transparent;
  border: 1px dashed var(--border);
  color: var(--accent);
  border-radius: 8px;
  padding: 7px 10px;
  font-family: inherit;
  font-size: 0.82rem;
  cursor: pointer;
  margin-top: 4px;
  width: 100%;
}
.cf-add:hover { background: var(--surface-2); }
.bp {
  font-style: normal;
  font-size: 0.62rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 2px 7px;
  border-radius: 999px;
  vertical-align: middle;
  margin-left: 6px;
}
.cf-eff {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 0.86rem;
  color: var(--text);
}
.cf-eff span { display: block; color: var(--text-dim); font-size: 0.8rem; margin-top: 4px; }
.cf-eff em { font-style: normal; opacity: 0.85; }
.cf-main { display: flex; flex-direction: column; gap: 16px; }
.cf-main .kpi-bar { margin-bottom: 0; }
.cf-chartcard svg { width: 100%; height: auto; display: block; }
.cf-cmp .ins-tbl td, .cf-cmp .ins-tbl th { padding: 7px 8px; }
@media (max-width: 880px) {
  .cf-wrap { grid-template-columns: minmax(0, 1fr); }
  .cf-wrap > *, .cf-main { min-width: 0; }
  .cf-main .se-tablescroll { overflow-x: auto; }
}

.howto {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px 20px;
  margin-bottom: 22px;
  box-shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 2px 6px rgba(16, 24, 40, 0.06);
}
.howto summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.92rem;
  padding: 12px 0;
  color: var(--accent);
}
.howto[open] summary { border-bottom: 1px solid var(--border); margin-bottom: 12px; }
.howto-body { padding-bottom: 14px; }
.howto-body ol { margin: 0 0 0 18px; padding: 0; }
.howto-body li { font-size: 0.88rem; color: var(--text); margin-bottom: 8px; line-height: 1.55; }
.howto-body code {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 1px 5px;
  font-size: 0.82rem;
}
.howto-note { font-size: 0.82rem; color: var(--text-dim); font-style: italic; margin: 10px 0 0; }

.band-title {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  font-weight: 700;
  margin: 6px 0 12px;
}
.ins-svg { width: 100%; height: auto; display: block; margin-top: 4px; }
.ic-lbl { fill: var(--text-dim); font-size: 12px; font-family: var(--font); }
.ic-val { fill: var(--text); font-size: 12px; font-family: var(--font); }
.ic-donut { fill: var(--accent); font-size: 24px; font-weight: 700; font-family: var(--font); }
.ins-legend2 {
  display: flex;
  gap: 14px;
  align-items: center;
  font-size: 0.76rem;
  color: var(--text-dim);
  margin: 8px 0 0;
}
.ins-legend2 .lg { margin-right: 5px; }
.ins-list.mini li { border-bottom: 1px solid var(--border); padding: 8px 0; }
.ins-list.mini li:last-child { border-bottom: 0; }
.il-row { display: flex; justify-content: space-between; gap: 10px; font-size: 0.85rem; }
.il-row span { font-weight: 500; }
.il-row em { font-style: normal; color: var(--text-dim); font-size: 0.78rem; white-space: nowrap; }
.ins-mini {
  display: block;
  height: 4px;
  background: var(--accent);
  border-radius: 2px;
  margin-top: 6px;
  opacity: 0.85;
}

/* ---------- Sales Engine ---------- */
.data-note {
  color: var(--text-dim);
  font-size: 0.9rem;
  max-width: 900px;
  margin: -4px 0 22px;
  line-height: 1.55;
}
.se-wrap {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 20px;
  align-items: start;
  margin-bottom: 20px;
}
.se-controls h3,
.se-chartwrap h3,
.se-tablewrap h3 { font-size: 1.05rem; margin-bottom: 16px; }
.se-slider { margin-bottom: 16px; }
.se-slider label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.9rem;
  margin-bottom: 6px;
}
.se-slider label em { font-style: normal; color: var(--text-dim); font-size: 0.78rem; margin-left: auto; margin-right: 10px; }
.se-slider label b { color: var(--accent); font-variant-numeric: tabular-nums; }
.se-slider input[type="range"] { width: 100%; accent-color: var(--accent); }
.se-controls .btn { width: 100%; text-align: center; margin-top: 8px; }
.se-chartwrap svg { width: 100%; height: auto; display: block; }
.se-lbl { fill: var(--text-dim); font-size: 12px; font-family: var(--font); }
.se-val { fill: var(--text); font-size: 12px; font-weight: 600; font-family: var(--font); }

.se-tablewrap h3 span { color: var(--text-dim); font-weight: 400; font-size: 0.9rem; }
.se-tablescroll { max-height: 460px; overflow: auto; border: 1px solid var(--border); border-radius: 10px; }
.se-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.se-table thead th {
  position: sticky;
  top: 0;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  padding: 10px 12px;
  text-align: left;
  white-space: nowrap;
}
.se-table th.num, .se-table td.num { text-align: right; }
.se-table td { padding: 8px 12px; border-bottom: 1px solid var(--border); }
.se-table tbody tr:nth-child(odd) { background: var(--surface-2); }

@media (max-width: 820px) {
  .se-wrap { grid-template-columns: 1fr; }
}

/* ---------- Margin waterfall ---------- */
.wf { margin-top: 4px; }
.wf-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.97rem;
}
.wf-row strong { font-variant-numeric: tabular-nums; }
.wf-row.dim { color: var(--text-dim); }
.wf-row.dim span { padding-left: 14px; }
.wf-row.sub {
  font-weight: 700;
  color: var(--accent);
  border-bottom: 1px solid var(--border);
}
.wf-row.sub.green { color: var(--accent-2); }
.wf-row.total {
  border-bottom: 0;
  margin-top: 6px;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent-2);
}
.wf-row.total.loss { color: var(--accent-3); }
.wf-row em {
  font-style: normal;
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-left: 8px;
}

/* ===== Light theme for interactive tools (marketing pages stay dark) ===== */
.tool-light {
  --bg: #e7ebf1;
  --surface: #ffffff;
  --surface-2: #eef1f5;
  --text: #1f2430;
  --text-dim: #5b6472;
  --border: #d6dce4;
  background: var(--bg);
  color: var(--text);
}
.tool-light .card-light,
.tool-light .kpi-box,
.tool-light .insight,
.tool-light .up-card,
.tool-light .cockpit-toolbar {
  box-shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 2px 6px rgba(16, 24, 40, 0.06);
}
.tool-light .kpi-box { border-top: 3px solid var(--accent); }
.cp-matrix svg { width: 100%; height: 100%; min-height: 320px; }
.kpi-box span em {
  font-style: normal;
  display: block;
  font-size: 0.72rem;
  color: var(--text-dim);
  opacity: 0.8;
}
.tool-light .site-header {
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid var(--border);
}
.tool-light .brand { color: var(--text); }
.tool-light .nav-links a { color: var(--text-dim); }
.tool-light .nav-links a:hover,
.tool-light .nav-links a.active { color: var(--text); }
.tool-light .nav-links { background: var(--surface); }

/* One-screen simulator layout: chart left, inputs right */
.tool-section { padding: 18px 0 22px; }
.tool-head {
  display: flex;
  align-items: baseline;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.tool-head .section-title { font-size: 1.5rem; margin: 0; }
.tool-back { font-size: 0.9rem; }

.tool-light .container { max-width: min(1680px, 94vw); }
.sim2 {
  display: grid;
  grid-template-columns: 2.5fr 1fr;
  gap: 22px;
  align-items: start;
}
.sim2-chart {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px 14px;
}
.sim2-chart h3 { font-size: 1.15rem; margin-bottom: 8px; }
.sim2-chart .wf-chart svg { min-height: 360px; max-height: 74vh; }

.sim2-side { display: flex; flex-direction: column; gap: 16px; }
.card-light {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 16px;
}
.grid2 .form-row { margin-bottom: 0; }
.grid2 .form-row label { font-size: 0.8rem; margin-bottom: 4px; }
.grid2 .form-row input { padding: 9px 11px; }

.kpi {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
}
.kpi-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 7px 0;
  font-size: 0.97rem;
}
.kpi-row strong { font-variant-numeric: tabular-nums; }
.kpi-row.green strong { color: var(--accent-2); font-weight: 700; }
.kpi-row.total {
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--accent-2);
  border-top: 1px solid var(--border);
  margin-top: 4px;
  padding-top: 10px;
}
.kpi-row.total.loss { color: var(--loss); }
.kpi-row em {
  font-style: normal;
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-left: 8px;
}
.kpi .form-note { margin-top: 12px; }
.sim2-side .btn { width: 100%; text-align: center; }

.sim2-presets-lbl {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin: 0 0 8px;
}
.sim2-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 10px;
}
.sim2-presets button {
  padding: 9px 18px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #fff;
  color: var(--text);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.sim2-presets button:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.sim2-presets button.on {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}
.sim2-presets-note {
  font-size: 0.86rem;
  color: var(--text-dim);
  line-height: 1.5;
  margin: 0 0 18px;
  min-height: 1.2em;
}
.dd-bridge {
  border-left: 3px solid var(--accent);
  background: rgba(47, 155, 255, 0.06);
  padding: 12px 16px;
  border-radius: 0 8px 8px 0;
  margin: 30px 0 6px;
  color: var(--text);
}
.dd-close {
  border: 1px solid var(--accent-2);
  background: rgba(25, 195, 125, 0.07);
  padding: 18px 20px;
  border-radius: 10px;
  margin: 28px 0 0;
  font-size: 1rem;
  color: var(--text);
}
.dd2-tb {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 18px;
}
.dd2-tbrow {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: space-between;
}
.dd2-tbrow label {
  font-size: 0.82rem;
  color: var(--text-dim);
  line-height: 1.35;
}
.dd2-tbrow label b { color: var(--text); }
.dd2-tbrow input {
  width: 130px;
  flex: none;
}
.dd2-tag {
  display: inline-block;
  font-size: 0.7rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 1px 8px;
  white-space: nowrap;
}
@media (max-width: 760px) {
  .dd2-tb { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .sim2 { grid-template-columns: 1fr; }
  .tool-light .container { max-width: 94vw; }
  .sim2-chart .wf-chart svg { max-height: none; min-height: 300px; }
  .sim2-presets button { flex: 1 1 40%; text-align: center; }
}

.wf-chart {
  margin: 4px 0;
  width: 100%;
}
.wf-chart svg {
  width: 100%;
  height: auto;
  display: block;
  overflow: visible;
  min-height: 440px;
}
.wf-vlabel {
  fill: var(--text);
  font-size: 13px;
  font-family: var(--font);
  font-weight: 600;
}
.wf-clabel {
  fill: var(--text-dim);
  font-size: 13px;
  font-family: var(--font);
}
.wf-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-dim);
  margin: 4px 0 22px;
}
.wf-legend .lg {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 3px;
  margin-right: 6px;
  vertical-align: -1px;
}
.lg-blue { background: var(--accent); }
.lg-green { background: var(--accent-2); }
.lg-grey { background: var(--text-dim); opacity: 0.5; }
.lg-orange { background: var(--loss); }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 34px 0;
  color: var(--text-dim);
  font-size: 0.9rem;
}
.site-footer .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.site-footer a { color: var(--text-dim); }
.site-footer a:hover { color: var(--text); }

/* ---------- Responsive ---------- */
@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute;
    top: 66px;
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
  }
  .nav-links.open { max-height: 320px; }
  .nav-links li { width: 100%; }
  .nav-links a {
    display: block;
    padding: 16px 24px;
    border-top: 1px solid var(--border);
  }
  .about-wrap { grid-template-columns: 1fr; gap: 28px; }
  .avatar { max-width: 180px; }
  .btn-ghost { margin-left: 0; margin-top: 12px; }
}