:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --bg: #f5f3ee;
  --surface: #fffefb;
  --surface-2: #eeebe3;
  --ink: #1d2230;
  --muted: #5d6270;
  --line: #dcd7cc;
  --accent: #2c4ea3;
  --accent-soft: #e4e9f6;
  --ok: #2b7353;
  --ok-soft: #e2f0e8;
  --bad: #a9472a;
  --bad-soft: #f6e5de;
  --radius: 10px;
  --font-display: 'Erode', Georgia, serif;
  --font-body: 'Satoshi', system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, 'SF Mono', Menlo, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font-body); font-size: var(--text-base); line-height: 1.55; -webkit-font-smoothing: antialiased; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: 1.15; margin: 0; letter-spacing: -0.01em; }
h1 { font-size: var(--text-xl); max-width: 22ch; }
h2 { font-size: var(--text-lg); }
h3 { font-size: var(--text-base); }
p { margin: 0; }
.muted { color: var(--muted); }
code { font-family: var(--mono); font-size: 0.82em; background: var(--surface-2); padding: 2px 6px; border-radius: 5px; overflow-wrap: anywhere; }
.k { display: block; font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); font-weight: 500; }

.top { position: sticky; top: 0; z-index: 10; background: rgba(245, 243, 238, 0.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.top-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand-name { font-family: var(--font-display); font-weight: 600; font-size: 1.15rem; }
.plan-chip { font-size: var(--text-xs); background: var(--accent-soft); color: var(--accent); padding: 3px 10px; border-radius: 999px; font-weight: 500; white-space: nowrap; }
.nav { display: flex; gap: 4px; }
.nav a { color: var(--muted); text-decoration: none; font-size: var(--text-sm); padding: 6px 10px; border-radius: 6px; }
.nav a:hover { color: var(--ink); background: var(--surface-2); }

.intro { display: grid; grid-template-columns: 1fr 320px; gap: 40px; align-items: center; padding-top: 48px; padding-bottom: 32px; }
.eyebrow { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent); font-weight: 700; margin-bottom: 10px; }
.lede { margin-top: 14px; color: var(--muted); max-width: 62ch; }
.lede strong { color: var(--ink); font-weight: 500; }
.progress-card { position: relative; display: grid; grid-template-columns: 110px 1fr; gap: 18px; align-items: center; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.ring { width: 110px; height: 110px; transform: rotate(-90deg); }
.ring-bg { fill: none; stroke: var(--surface-2); stroke-width: 10; }
.ring-fg { fill: none; stroke: var(--accent); stroke-width: 10; stroke-linecap: round; transition: stroke-dashoffset 0.5s ease; }
.ring-label { position: absolute; left: 18px; top: 50%; width: 110px; transform: translateY(-50%); text-align: center; display: flex; flex-direction: column; }
.ring-label span { font-family: var(--font-display); font-size: 1.6rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.ring-label small { font-size: var(--text-xs); color: var(--muted); }
.progress-meta { display: grid; gap: 6px; font-size: var(--text-sm); }
.btn { font: inherit; font-size: var(--text-xs); cursor: pointer; border-radius: 6px; padding: 6px 10px; justify-self: start; margin-top: 4px; }
.btn.ghost { background: transparent; border: 1px solid var(--line); color: var(--muted); }
.btn.ghost:hover { border-color: var(--ink); color: var(--ink); }

.block { padding-top: 40px; padding-bottom: 24px; }
.block-head { display: grid; gap: 6px; margin-bottom: 20px; max-width: 70ch; }
.block-head p { font-size: var(--text-sm); }
.sub { margin: 32px 0 12px; }

.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.step { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.step.is-milestone { border-color: var(--accent); }
.step-head { width: 100%; display: grid; grid-template-columns: 36px 1fr auto 20px; gap: 14px; align-items: center; padding: 14px 18px; background: none; border: 0; font: inherit; color: inherit; text-align: left; cursor: pointer; }
.step-head:hover { background: #fbfaf6; }
.step-num { width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; border: 1.5px solid var(--line); font-weight: 700; font-size: var(--text-sm); font-variant-numeric: tabular-nums; color: var(--muted); }
.is-milestone .step-num { border-color: var(--accent); color: var(--accent); }
.is-done .step-num { background: var(--ok); border-color: var(--ok); color: #fff; }
.step-title { display: grid; }
.step-title strong { font-weight: 700; }
.step-title small { color: var(--muted); font-size: var(--text-xs); }
.step-count { font-size: var(--text-xs); color: var(--muted); font-variant-numeric: tabular-nums; }
.chev { color: var(--muted); transition: transform 0.2s; }
.step-head[aria-expanded="true"] .chev { transform: rotate(180deg); }
.step-body { padding: 0 18px 18px 68px; }
.why { font-size: var(--text-sm); color: var(--muted); margin-bottom: 12px; max-width: 70ch; }
.tasks { list-style: none; padding: 0; margin: 0 0 14px; display: grid; gap: 2px; }
.tasks label { display: flex; gap: 10px; align-items: flex-start; padding: 7px 8px; border-radius: 6px; cursor: pointer; font-size: var(--text-sm); }
.tasks label:hover { background: var(--surface-2); }
.tasks input { width: 18px; height: 18px; margin: 2px 0 0; accent-color: var(--ok); flex: none; }
.tasks input:checked + span { color: var(--muted); text-decoration: line-through; text-decoration-color: var(--line); }
.step-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; padding-top: 12px; border-top: 1px dashed var(--line); font-size: var(--text-sm); }
.step-meta > div { display: grid; gap: 4px; justify-items: start; }

.seg { display: inline-flex; flex-wrap: wrap; background: var(--surface-2); padding: 4px; border-radius: 8px; gap: 4px; margin-bottom: 20px; }
.seg button { font: inherit; font-size: var(--text-sm); border: 0; background: transparent; color: var(--muted); padding: 7px 12px; border-radius: 6px; cursor: pointer; }
.seg button[aria-checked="true"] { background: var(--surface); color: var(--ink); box-shadow: 0 0 0 1px var(--line); font-weight: 500; }
.timeline { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; position: relative; }
.email { display: grid; grid-template-rows: auto 1fr; gap: 10px; }
.email-day { display: flex; align-items: baseline; gap: 10px; padding-bottom: 8px; border-bottom: 2px solid var(--accent); }
.email-day span { font-family: var(--font-display); font-weight: 600; font-size: var(--text-lg); }
.email-day small { font-size: var(--text-xs); color: var(--muted); }
.email-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; display: grid; gap: 10px; align-content: start; }
.trigger { font-size: var(--text-xs); color: var(--muted); }
.trigger .k { display: inline; margin-right: 4px; }
.subject { font-weight: 700; font-size: var(--text-sm); }
.body { font-size: var(--text-sm); color: var(--muted); }
.email-foot { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; font-size: var(--text-xs); color: var(--muted); }
.pill { background: var(--accent-soft); color: var(--accent); padding: 3px 9px; border-radius: 999px; font-weight: 500; }
.is-suppressed .email-card { background: transparent; border-style: dashed; }
.is-suppressed .email-day { border-color: var(--line); }
.is-suppressed .pill { background: var(--surface-2); color: var(--muted); }
.sup { font-style: normal; color: var(--muted); }
.rules { margin-top: 20px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; }
.rules ul { margin: 8px 0 0; padding-left: 18px; display: grid; gap: 6px; font-size: var(--text-sm); color: var(--muted); }
.rules strong { color: var(--ink); font-weight: 500; }

.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 16px; }
.kpi { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; display: grid; gap: 4px; }
.kpi strong { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 600; font-variant-numeric: tabular-nums; line-height: 1.1; }
.kpi small { font-size: var(--text-xs); color: var(--muted); }
.kpi small.good { color: var(--ok); }
.kpi small.warn { color: var(--bad); }
.funnel-grid { display: grid; grid-template-columns: 1fr 280px; gap: 16px; align-items: start; }
.funnel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; display: grid; gap: 6px; }
.f-row { display: grid; grid-template-columns: 190px 1fr 64px 48px; gap: 12px; align-items: center; padding: 4px 6px; border-radius: 6px; }
.f-row.is-worst { background: var(--bad-soft); }
.f-label { font-size: var(--text-sm); }
.is-activation .f-label { font-weight: 700; color: var(--accent); }
.f-bar-wrap { height: 14px; background: var(--surface-2); border-radius: 4px; overflow: hidden; }
.f-bar { height: 100%; background: var(--accent); border-radius: 4px; opacity: 0.85; transition: width 0.3s ease; }
.is-worst .f-bar { background: var(--bad); }
.f-input { font: inherit; font-size: var(--text-sm); width: 64px; padding: 4px 6px; border: 1px solid var(--line); border-radius: 5px; background: var(--bg); text-align: right; font-variant-numeric: tabular-nums; color: var(--ink); }
.f-input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.f-drop { font-size: var(--text-xs); color: var(--muted); text-align: right; font-variant-numeric: tabular-nums; }
.is-worst .f-drop { color: var(--bad); font-weight: 700; }
.leak { background: var(--bad-soft); border: 1px solid #e8c8bb; border-radius: var(--radius); padding: 16px; display: grid; gap: 6px; }
.leak .k { color: var(--bad); }
.leak-step { font-weight: 700; font-size: var(--text-sm); }
.leak-num { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 600; color: var(--bad); line-height: 1.1; }
.leak-fix { font-size: var(--text-sm); }
.table-wrap { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.metrics-table { width: 100%; border-collapse: collapse; font-size: var(--text-sm); }
.metrics-table th { text-align: left; font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); font-weight: 500; padding: 10px 14px; background: var(--surface-2); }
.metrics-table td { padding: 10px 14px; border-top: 1px solid var(--line); vertical-align: top; }
.metrics-table td.num { white-space: nowrap; font-variant-numeric: tabular-nums; }
.metrics-table td.alert { color: var(--bad); white-space: nowrap; }

.paths { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.path { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; }
.path-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.path .dot { width: 10px; height: 10px; border-radius: 50%; }
.path.ok .dot { background: var(--ok); }
.path.bad .dot { background: var(--bad); }
.path ol { list-style: none; margin: 0; padding: 0; position: relative; }
.path ol::before { content: ''; position: absolute; left: 5px; top: 8px; bottom: 8px; width: 2px; }
.path.ok ol::before { background: var(--ok-soft); }
.path.bad ol::before { background: var(--bad-soft); }
.path li { position: relative; display: grid; grid-template-columns: 78px 1fr; gap: 10px; padding: 7px 0 7px 22px; font-size: var(--text-sm); }
.path li::before { content: ''; position: absolute; left: 1px; top: 13px; width: 10px; height: 10px; border-radius: 50%; background: var(--surface); border: 2px solid; }
.path.ok li::before { border-color: var(--ok); }
.path.bad li::before { border-color: var(--bad); }
.path.bad li:last-child::before { background: var(--bad); }
.path.ok li:last-child::before { background: var(--ok); }
.p-day { font-size: var(--text-xs); color: var(--muted); font-weight: 700; padding-top: 2px; font-variant-numeric: tabular-nums; }
.signals { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.sig { font: inherit; font-size: var(--text-sm); border: 1px solid var(--line); background: var(--surface); color: var(--ink); padding: 7px 12px; border-radius: 999px; cursor: pointer; }
.sig:hover { border-color: var(--ink); }
.sig[aria-pressed="true"] { background: var(--ink); color: var(--surface); border-color: var(--ink); }
.signal-detail { display: grid; grid-template-columns: 1fr 1fr 1.3fr; gap: 12px; }
.sd { border-radius: var(--radius); padding: 14px 16px; display: grid; gap: 4px; font-size: var(--text-sm); }
.sd.ok { background: var(--ok-soft); }
.sd.ok .k { color: var(--ok); }
.sd.bad { background: var(--bad-soft); }
.sd.bad .k { color: var(--bad); }
.sd.act { background: var(--accent-soft); }
.sd.act .k { color: var(--accent); }
.sd p { font-weight: 500; }
.foot { padding-top: 32px; padding-bottom: 48px; font-size: var(--text-xs); }

button:focus-visible, a:focus-visible, input:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

@media (max-width: 900px) {
  .intro { grid-template-columns: 1fr; gap: 24px; }
  .timeline { grid-template-columns: 1fr; }
  .kpis { grid-template-columns: repeat(2, 1fr); }
  .funnel-grid { grid-template-columns: 1fr; }
  .signal-detail { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .wrap { padding: 0 16px; }
  .nav { display: none; }
  .step-body { padding: 0 16px 16px; }
  .step-head { gap: 10px; padding: 12px 14px; }
  .step-meta { grid-template-columns: 1fr; }
  .paths { grid-template-columns: 1fr; }
  .f-row { grid-template-columns: 1fr 56px 40px; row-gap: 4px; }
  .f-label { grid-column: 1 / -1; }
  .f-bar-wrap { grid-column: 1; }
  .f-input { width: 56px; }
  .metrics-table thead { display: none; }
  .metrics-table tr { display: grid; padding: 10px 14px; border-top: 1px solid var(--line); gap: 2px; }
  .metrics-table td { border: 0; padding: 0; white-space: normal !important; }
  .metrics-table td.num::before { content: 'Target: '; color: var(--muted); }
  .metrics-table td.alert::before { content: 'Alert: '; color: var(--muted); }
  .progress-card { grid-template-columns: 96px 1fr; }
  .ring { width: 96px; height: 96px; }
  .ring-label { width: 96px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }