:root {
  --paper: #f5f7f3;
  --paper-2: #ecefe8;
  --surface: #ffffff;
  --ink: #18211d;
  --muted: #5f6b63;
  --soft: #849188;
  --line: #dfe5dc;
  --line-strong: #c5d0c3;
  --signal: #e05a2a;
  --signal-dark: #a83f1e;
  --signal-soft: #fff0e9;
  --good: #276749;
  --max: 1160px;
  --radius-panel: 18px;
  --radius-control: 999px;
  --shadow: 0 24px 70px rgba(24, 33, 29, .10);
  --sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(24,33,29,.035) 1px, transparent 1px),
    linear-gradient(rgba(24,33,29,.035) 1px, transparent 1px),
    var(--paper);
  background-size: 44px 44px;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
::selection { background: rgba(224, 90, 42, .18); }

.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(245, 247, 243, .88);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(197, 208, 195, .78);
}
.nav-inner {
  max-width: var(--max);
  min-height: 68px;
  margin: 0 auto;
  padding: 0 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}
.logo { display:flex; align-items:center; gap:10px; font-weight: 760; letter-spacing: -0.04em; }
.logo-mark {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: var(--ink);
  position: relative;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.12);
}
.logo-mark::before {
  content: "";
  position: absolute;
  inset: 7px 7px auto auto;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--signal);
}
.logo-mark::after {
  content: "";
  position: absolute;
  left: 7px;
  bottom: 7px;
  width: 13px;
  height: 3px;
  border-radius: 999px;
  background: var(--surface);
}
.nav-links { display: flex; align-items: center; gap: 18px; color: var(--muted); font-size: 14px; }
.nav-links a:hover { color: var(--ink); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-control);
  padding: 11px 17px;
  font-weight: 720;
  line-height: 1;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .16s ease, background .16s ease, border-color .16s ease, color .16s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--ink); color: var(--surface); border-color: var(--ink); }
.btn-primary:hover { background: #253127; }
.btn-secondary { color: var(--ink); border-color: var(--line-strong); background: rgba(255,255,255,.74); }
.btn-secondary:hover { border-color: var(--ink); background: var(--surface); }
.btn-signal { background: var(--signal); color: #fff; border-color: var(--signal); }
.btn-signal:hover { background: var(--signal-dark); border-color: var(--signal-dark); }

.hero { padding: 64px 22px 42px; }
.hero-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(360px, .97fr);
  gap: 52px;
  align-items: center;
}
.kicker {
  display: inline-flex;
  width: fit-content;
  border: 1px solid var(--line-strong);
  background: rgba(255,255,255,.66);
  border-radius: var(--radius-control);
  padding: 7px 11px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 680;
}
h1, h2, h3 { text-wrap: balance; }
h1 {
  margin: 18px 0 16px;
  font-size: clamp(42px, 5.5vw, 68px);
  line-height: .97;
  letter-spacing: -0.066em;
  font-weight: 810;
  max-width: 820px;
}
h2 {
  margin: 0 0 14px;
  font-size: clamp(32px, 4.1vw, 52px);
  line-height: 1.02;
  letter-spacing: -0.058em;
  font-weight: 790;
}
h3 { margin: 0 0 8px; font-size: 21px; letter-spacing: -0.035em; }
.hero-copy { color: var(--muted); font-size: 19px; line-height: 1.48; max-width: 610px; margin: 0; }
.hero-actions { margin-top: 24px; display:flex; gap: 12px; flex-wrap: wrap; }

.tool-memo {
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-panel);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.memo-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  background: #fbfcfa;
}
.memo-title { font-weight: 790; letter-spacing: -.03em; }
.memo-type { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.memo-body { padding: 20px; display: grid; gap: 16px; }
.memo-question { font-size: 25px; line-height: 1.1; letter-spacing: -.045em; font-weight: 790; }
.memo-row { display: grid; grid-template-columns: 110px 1fr; gap: 16px; border-top: 1px solid var(--line); padding-top: 14px; }
.memo-row span:first-child { color: var(--soft); font-size: 13px; }
.memo-row span:last-child { color: var(--ink); font-weight: 640; }
.memo-note {
  background: var(--signal-soft);
  border: 1px solid rgba(224,90,42,.22);
  border-radius: 14px;
  padding: 14px;
  color: #6f2d18;
  line-height: 1.45;
}

.proof-band { padding: 18px 22px 44px; }
.proof-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-panel);
  overflow: hidden;
  background: rgba(255,255,255,.64);
}
.proof-item { padding: 18px; border-right: 1px solid var(--line); }
.proof-item:last-child { border-right: 0; }
.proof-item strong { display:block; margin-bottom: 5px; }
.proof-item span { color: var(--muted); font-size: 14px; line-height: 1.45; }

.section { padding: 72px 22px; }
.container { max-width: var(--max); margin: 0 auto; }
.section-head { max-width: 740px; margin-bottom: 34px; }
.section-head p, .lede { color: var(--muted); font-size: 18px; line-height: 1.55; margin: 0; max-width: 690px; }

.benefit-ledger {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 28px;
  align-items: start;
}
.ledger-panel {
  background: var(--ink);
  color: var(--surface);
  border-radius: var(--radius-panel);
  padding: 26px;
  position: sticky;
  top: 92px;
}
.ledger-panel p { margin: 12px 0 0; color: rgba(255,255,255,.72); line-height: 1.5; }
.ledger-price { font-size: 58px; line-height: 1; font-weight: 830; letter-spacing: -.06em; margin-top: 24px; }
.ledger-price small { font-size: 16px; color: rgba(255,255,255,.68); font-weight: 650; letter-spacing: 0; }
.benefit-list { display: grid; gap: 12px; }
.benefit-row {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 18px;
  padding: 18px;
  background: rgba(255,255,255,.72);
  border: 1px solid var(--line-strong);
  border-radius: 16px;
}
.benefit-row b { color: var(--signal-dark); }
.benefit-row p { margin: 0; color: var(--muted); line-height: 1.5; }

.tool-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 18px;
}
.tool-tile {
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-panel);
  padding: 24px;
}
.tool-tile.featured { min-height: 360px; display:flex; flex-direction:column; justify-content:space-between; background: linear-gradient(135deg, #ffffff 0%, #f2f5ee 100%); }
.tool-tile.dark { background: var(--ink); color: var(--surface); }
.tool-tile.dark p, .tool-tile.dark .tile-meta { color: rgba(255,255,255,.72); }
.tile-meta { color: var(--muted); font-size: 14px; line-height: 1.5; margin: 0; }
.tile-list { margin: 20px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.tile-list li { color: var(--muted); display:flex; gap: 10px; align-items:flex-start; }
.tile-list li::before { content:""; width: 7px; height: 7px; border-radius: 999px; background: var(--signal); margin-top: .62em; flex: 0 0 auto; }
.tool-tile.dark .tile-list li { color: rgba(255,255,255,.72); }
.tile-actions { margin-top: 20px; display:flex; gap: 10px; flex-wrap: wrap; }
.small-tools { display:grid; gap: 18px; }

.sprint-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-panel);
  overflow: hidden;
  background: var(--surface);
}
.sprint-step { padding: 22px; border-right: 1px solid var(--line); }
.sprint-step:last-child { border-right: 0; }
.sprint-step span { color: var(--signal-dark); font-family: var(--mono); font-size: 12px; }
.sprint-step p { margin: 10px 0 0; color: var(--muted); line-height: 1.5; }

.pricing-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  align-items: stretch;
}
.price-card {
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-panel);
  padding: 26px;
  box-shadow: var(--shadow);
}
.price { font-size: clamp(52px, 7vw, 84px); line-height: .9; font-weight: 850; letter-spacing: -.075em; margin: 18px 0; }
.price-note { color: var(--muted); line-height: 1.5; margin: 0; }
ul.clean { list-style:none; padding:0; margin: 22px 0 0; display:grid; gap: 11px; color: var(--muted); }
ul.clean li { display:flex; gap: 10px; align-items:flex-start; }
ul.clean li::before { content:""; width: 8px; height: 8px; border-radius: 999px; background: var(--good); margin-top: .6em; flex: 0 0 auto; }
.scope-card {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-panel);
  padding: 26px;
  background: rgba(255,255,255,.62);
}
.scope-card p { color: var(--muted); line-height:1.52; }
.scope-card .plain-list { padding-left: 18px; color: var(--muted); line-height: 1.65; }

.fit-grid { display:grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.fit-card { border:1px solid var(--line-strong); border-radius: var(--radius-panel); padding: 22px; background: rgba(255,255,255,.68); }
.fit-card p { margin: 0; color: var(--muted); line-height: 1.5; }
.fit-card strong { display:block; margin-bottom: 8px; }

.contact-shell {
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  gap: 28px;
  align-items: start;
}
.contact-copy { padding-top: 6px; }
.contact-copy p { color: var(--muted); line-height:1.55; font-size: 18px; }
.form-panel { background: var(--surface); border:1px solid var(--line-strong); border-radius: var(--radius-panel); box-shadow: var(--shadow); padding: 26px; }
.form-grid { display:grid; grid-template-columns: repeat(2,1fr); gap: 14px; }
.field { display:flex; flex-direction:column; gap: 7px; }
.field.full { grid-column: 1 / -1; }
label { color: var(--ink); font-weight: 700; font-size: 14px; }
input, select, textarea {
  width:100%;
  border:1px solid var(--line-strong);
  border-radius: 12px;
  padding: 12px 12px;
  color: var(--ink);
  background:white;
}
textarea { min-height: 108px; resize: vertical; }
input::placeholder, textarea::placeholder { color: #89958d; }
input:focus, select:focus, textarea:focus { outline: 3px solid rgba(224,90,42,.16); border-color: var(--signal); }
.form-status { margin-top: 12px; color: var(--muted); font-size: 14px; }

.tool-layout { padding: 46px 22px 74px; }
.calculator { display:grid; grid-template-columns: .9fr 1.1fr; gap: 24px; align-items:start; }
.panel { background:white; border:1px solid var(--line-strong); border-radius:var(--radius-panel); box-shadow: var(--shadow); padding: 24px; }
.inputs { display:grid; gap: 14px; }
.result-main { font-size: clamp(38px, 5vw, 64px); font-weight: 850; letter-spacing:-.065em; color: var(--signal-dark); margin: 8px 0; }
.metric-grid { display:grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin-top: 18px; }
.metric { background:#f7f8f5; border:1px solid var(--line); border-radius:14px; padding:14px; }
.metric strong { display:block; font-size:22px; letter-spacing:-.04em; }
.metric span { color:var(--muted); font-size:13px; }
.question { border:1px solid var(--line-strong); border-radius:14px; padding:14px; margin-bottom:12px; }
.question legend { font-weight:760; margin-bottom:8px; }
.options { display:grid; gap:8px; color:var(--muted); }
.options label { color:var(--muted); font-weight:560; display:flex; gap:8px; align-items:flex-start; }
.score-ring { width: 180px; height: 180px; border-radius:50%; margin: 8px auto 18px; display:grid; place-items:center; background: conic-gradient(var(--signal) var(--score, 62%), #e8eee5 0); }
.score-ring-inner { width: 132px; height:132px; border-radius:50%; background:white; display:grid; place-items:center; text-align:center; box-shadow: inset rgba(0,0,0,.06) 0 0 0 1px; }
.score-ring strong { font-size: 38px; letter-spacing:-.05em; }

.footer { padding: 34px 22px; border-top:1px solid var(--line-strong); color:var(--muted); font-size:14px; background: rgba(255,255,255,.42); }
.footer-inner { max-width: var(--max); margin:0 auto; display:flex; justify-content:space-between; gap:18px; flex-wrap:wrap; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}

@media (max-width: 920px) {
  .hero { padding-top: 42px; }
  .hero-inner, .benefit-ledger, .tool-grid, .pricing-box, .contact-shell, .calculator { grid-template-columns: 1fr; }
  .hero-inner { gap: 26px; }
  .ledger-panel { position: static; }
  .proof-inner, .sprint-strip, .fit-grid { grid-template-columns: 1fr; }
  .proof-item, .sprint-step { border-right: 0; border-bottom: 1px solid var(--line); }
  .proof-item:last-child, .sprint-step:last-child { border-bottom: 0; }
  .benefit-row { grid-template-columns: 1fr; gap: 8px; }
  .nav-links { display:none; }
  .form-grid { grid-template-columns: 1fr; }
  .metric-grid { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .nav-inner { min-height: 62px; padding: 0 16px; }
  .nav .btn { display:none; }
  .hero, .section, .proof-band, .tool-layout { padding-left: 16px; padding-right: 16px; }
  .memo-row { grid-template-columns: 1fr; gap: 5px; }
  .btn { width: 100%; }
  .hero-actions, .tile-actions { width: 100%; }
}