:root {
  --canvas: #0b0d0f;
  --surface: #111417;
  --surface-2: #171b1f;
  --surface-3: #20262b;
  --ink: #f5f7f8;
  --muted: #9aa4ad;
  --soft: #68727c;
  --line: #252c32;
  --line-strong: #39424a;
  --signal: #b7f34a;
  --signal-dark: #99d534;
  --signal-soft: rgba(183, 243, 74, .1);
  --good: #44cf6c;
  --max: 1160px;
  --radius-panel: 18px;
  --radius-control: 999px;
  --shadow: 0 24px 80px rgba(0, 0, 0, .44);
  --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:
    radial-gradient(circle at 82% 8%, rgba(183, 243, 74, .12), transparent 25rem),
    radial-gradient(circle at 10% 12%, rgba(111, 146, 255, .12), transparent 30rem),
    linear-gradient(90deg, rgba(245, 247, 248, .035) 1px, transparent 1px),
    linear-gradient(rgba(245, 247, 248, .035) 1px, transparent 1px),
    var(--canvas);
  background-size: auto, auto, 48px 48px, 48px 48px, auto;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
::selection { background: rgba(183, 243, 74, .22); color: var(--ink); }

.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(11, 13, 15, .86);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(57, 66, 74, .72);
}
.nav-inner {
  max-width: var(--max);
  min-height: 66px;
  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: 790; letter-spacing: -0.045em; }
.logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: linear-gradient(135deg, #20272b, #0e1113);
  position: relative;
  box-shadow: inset 0 0 0 1px var(--line-strong), 0 12px 32px rgba(0,0,0,.35);
}
.logo-mark::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 8px;
  width: 8px;
  height: 16px;
  border-radius: 999px;
  background: var(--ink);
}
.logo-mark::after {
  content: "";
  position: absolute;
  right: 8px;
  bottom: 8px;
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: var(--signal);
}
.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: 740;
  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:focus-visible { outline: 3px solid rgba(183, 243, 74, .26); outline-offset: 2px; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--ink); color: var(--canvas); border-color: var(--ink); }
.btn-primary:hover { background: #dfe5e7; border-color: #dfe5e7; }
.btn-secondary { color: var(--ink); border-color: var(--line-strong); background: rgba(17,20,23,.78); }
.btn-secondary:hover { border-color: var(--ink); background: var(--surface-2); }
.btn-signal { background: var(--signal); color: #101407; border-color: var(--signal); }
.btn-signal:hover { background: var(--signal-dark); border-color: var(--signal-dark); }

.hero { padding: 58px 22px 36px; }
.hero-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(360px, .94fr);
  gap: 52px;
  align-items: center;
}
.hero-copy-block { max-width: 680px; }
.kicker {
  display: inline-flex;
  width: fit-content;
  border: 1px solid var(--line-strong);
  background: rgba(17,20,23,.76);
  border-radius: var(--radius-control);
  padding: 7px 11px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 680;
  letter-spacing: -.015em;
}
h1, h2, h3 { text-wrap: balance; }
h1 {
  margin: 18px 0 16px;
  font-size: clamp(44px, 5.7vw, 72px);
  line-height: .94;
  letter-spacing: -0.073em;
  font-weight: 800;
  max-width: 760px;
}
h2 {
  margin: 0 0 14px;
  font-size: clamp(32px, 4vw, 54px);
  line-height: 1;
  letter-spacing: -0.062em;
  font-weight: 780;
}
h3 { margin: 0 0 8px; font-size: 21px; letter-spacing: -0.035em; }
.hero-copy { color: var(--muted); font-size: 20px; line-height: 1.45; max-width: 600px; margin: 0; }
.hero-actions { margin-top: 24px; display:flex; gap: 12px; flex-wrap: wrap; }

.tool-memo {
  background: linear-gradient(180deg, rgba(23,27,31,.98), rgba(17,20,23,.98));
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-panel);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255,255,255,.05);
  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: rgba(11,13,15,.42);
}
.memo-title { font-weight: 780; 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: 92px 1fr; gap: 16px; border-top: 1px solid var(--line); padding-top: 14px; }
.memo-row span:first-child { color: var(--soft); font-family: var(--mono); font-size: 12px; }
.memo-row span:last-child { color: var(--ink); font-weight: 620; }
.memo-note {
  background: var(--signal-soft);
  border: 1px solid rgba(183,243,74,.24);
  border-radius: 14px;
  padding: 14px;
  color: #e7fcae;
  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(17,20,23,.72);
}
.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: 74px 22px; }
.container { max-width: var(--max); margin: 0 auto; }
.section-head { max-width: 760px; margin-bottom: 34px; }
.section-head p, .lede { color: var(--muted); font-size: 18px; line-height: 1.55; margin: 0; max-width: 700px; }

.tool-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 18px;
}
.tool-tile {
  background: rgba(17,20,23,.88);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-panel);
  padding: 24px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.04);
}
.tool-tile.featured {
  min-height: 430px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  background:
    radial-gradient(circle at 92% 12%, rgba(183,243,74,.17), transparent 18rem),
    linear-gradient(135deg, var(--surface-2), rgba(17,20,23,.92));
}
.tool-tile.dark { background: #11170e; color: var(--ink); border-color: rgba(183,243,74,.28); }
.tool-tile.dark p, .tool-tile.dark .tile-meta { color: var(--muted); }
.tile-meta { color: var(--muted); font-size: 14px; line-height: 1.5; margin: 0; }
.tile-meta.large { font-size: 18px; max-width: 640px; }
.tile-actions { margin-top: 20px; display:flex; gap: 10px; flex-wrap: wrap; }
.small-tools { display:grid; gap: 18px; }
.example-stack { display: grid; gap: 10px; }
.example-stack div {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 14px;
  align-items: center;
  border: 1px solid rgba(245,247,248,.1);
  background: rgba(11,13,15,.42);
  border-radius: 14px;
  padding: 14px;
}
.example-stack span { color: var(--signal); font-family: var(--mono); font-size: 12px; }
.example-stack strong { letter-spacing: -.025em; }

.process-shell { display: grid; grid-template-columns: .75fr 1.25fr; gap: 26px; align-items: start; }
.process-intro p { color: var(--muted); line-height: 1.55; margin: 0; font-size: 18px; }
.sprint-strip {
  display: grid;
  grid-template-columns: repeat(2, 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); border-bottom: 1px solid var(--line); }
.sprint-step:nth-child(2n) { border-right: 0; }
.sprint-step:nth-last-child(-n+2) { border-bottom: 0; }
.sprint-step span { color: var(--signal); 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:
    radial-gradient(circle at 88% 18%, rgba(183,243,74,.12), transparent 16rem),
    var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-panel);
  padding: 28px;
  box-shadow: var(--shadow);
}
.price { font-size: clamp(52px, 7vw, 84px); line-height: .9; font-weight: 850; letter-spacing: -.075em; margin: 18px 0; color: var(--signal); }
.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: 28px;
  background: rgba(17,20,23,.74);
}
.scope-card p { color: var(--muted); line-height:1.52; }
.scope-card .plain-list { padding-left: 18px; color: var(--muted); line-height: 1.65; }

.handoff-grid {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 24px;
  align-items: start;
}
.handoff-card {
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-panel);
  padding: 26px;
  box-shadow: var(--shadow);
}
ul.clean.compact { margin-top: 0; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 18px; }
.faq-grid { display:grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.fit-card { border:1px solid var(--line-strong); border-radius: var(--radius-panel); padding: 22px; background: rgba(17,20,23,.74); }
.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: var(--surface-2);
}
textarea { min-height: 108px; resize: vertical; }
input::placeholder, textarea::placeholder { color: #7c8790; }
input:focus, select:focus, textarea:focus { outline: 3px solid rgba(183,243,74,.18); border-color: var(--signal); }
input[type="number"] {
  appearance: textfield;
  -moz-appearance: textfield;
  padding-right: 12px;
}
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
input[type="radio"] {
  appearance: none;
  width: 16px;
  height: 16px;
  flex: 0 0 16px;
  margin: 2px 0 0;
  padding: 0;
  border-radius: 999px;
  border: 1px solid rgba(245, 247, 248, .46);
  background: rgba(11, 13, 15, .82);
  box-shadow: inset 0 0 0 3px rgba(11, 13, 15, .82);
}
input[type="radio"]:checked {
  border-color: var(--signal);
  background: var(--signal);
  box-shadow: inset 0 0 0 4px rgba(11, 13, 15, .9), 0 0 0 3px rgba(183, 243, 74, .14);
}
.form-panel button { margin-top: 16px; }
.form-status { margin-top: 12px; color: var(--muted); font-size: 14px; }

.tool-layout { padding: 24px 22px 56px; }
.tool-page-head { max-width: 920px; margin-bottom: 16px; }
.tool-page-head h1 { font-size: clamp(34px, 4vw, 48px); margin: 8px 0 10px; line-height: .98; }
.tool-page-head .hero-copy { font-size: 16px; line-height: 1.45; max-width: 760px; }
.tool-page-head { max-width: 880px; }
.calculator { display:grid; grid-template-columns: .9fr 1.1fr; gap: 24px; align-items:stretch; }
.calculator > .panel { min-height: 560px; }
.payback-results { display:flex; flex-direction:column; }
.payback-results .result-main { margin-top: 4px; }
.payback-results .lede { margin: 6px 0 0; }
.payback-results .recommendation-box { margin-top: auto; }
.payback-results .tile-actions { margin-top: 16px; }
.panel { background: var(--surface); border:1px solid var(--line-strong); border-radius:var(--radius-panel); box-shadow: var(--shadow); padding: 24px; }
.panel-title { font-size: 24px; margin-bottom: 4px; }
.inputs { display:grid; gap: 14px; }
.result-main { font-size: clamp(38px, 5vw, 64px); font-weight: 850; letter-spacing:-.065em; color: var(--signal); margin: 8px 0; }
.metric-grid { display:grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin-top: 18px; }
.metric { background: var(--surface-2); border:1px solid var(--line); border-radius:14px; padding:14px; display:flex; flex-direction:column; min-width:0; overflow:hidden; }
.metric strong { display:block; font-size:22px; letter-spacing:-.04em; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.metric span { color:var(--muted); font-size:13px; line-height:1.35; }
.payback-metrics { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 640px) {
  .payback-metrics { grid-template-columns: 1fr; }
}
.recommendation-box { margin-top: 16px; padding: 14px; border-radius: 14px; border: 1px solid rgba(183,243,74,.24); background: var(--signal-soft); color: #e7fcae; line-height: 1.45; }
.install-note { margin-top: 36px; display:grid; grid-template-columns: .85fr 1.15fr; gap: 20px; align-items:start; border:1px solid var(--line-strong); border-radius: var(--radius-panel); background: rgba(17,20,23,.74); padding: 22px; }
.install-note h2 { font-size: 28px; }
.install-note p { color: var(--muted); line-height: 1.5; margin: 0; }
.install-options { border:1px solid rgba(183,243,74,.24); background: var(--signal-soft); border-radius: 14px; padding: 16px; }
.install-options span { display:block; color: #e7fcae; font-family: var(--mono); font-size: 12px; margin-bottom: 8px; }
.install-options strong { display:block; line-height: 1.45; }
.grader-shell { display:grid; gap: 18px; }
.grader-grid { display:grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; align-items: stretch; }
.grader-card {
  min-height: 216px;
  border:1px solid var(--line-strong);
  border-radius:16px;
  padding:14px;
  margin:0;
  background: rgba(23,27,31,.64);
  box-shadow: var(--shadow);
}
.question { display:flex; flex-direction:column; gap: 12px; }
.question h3 { font-size: 15px; font-weight:760; line-height:1.24; margin:0; min-height: 38px; letter-spacing:-.01em; }
.options { display:grid; grid-template-columns: 1fr; gap:6px; color:var(--muted); margin-top:auto; }
.grader-result-card { display:flex; flex-direction:column; justify-content:space-between; background: linear-gradient(180deg, rgba(183,243,74,.08), rgba(23,27,31,.64) 48%); }
.result-card-top { display:flex; align-items:flex-start; justify-content:space-between; gap: 14px; }
.result-card-copy h2 { font-size: 21px; line-height:1.1; margin: 0 0 8px; letter-spacing:-.035em; }
.result-card-copy .lede { margin:0; font-size: 14px; line-height:1.45; }
.grader-result-card .score-ring { margin: 0; width: 88px; height: 88px; flex: 0 0 auto; }
.grader-result-card .score-ring-inner { width: 64px; height: 64px; }
.grader-result-card .score-ring strong { display:block; font-size: 25px; line-height:1; letter-spacing:-.06em; }
.grader-lead-form-panel { display:grid; grid-template-columns: minmax(0, 1fr) auto; gap: 14px; align-items:end; }
.grader-lead-form-panel .form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.grader-lead-form-panel .btn { margin-top: 0; white-space: nowrap; }
.options label {
  color:var(--muted);
  font-weight:560;
  display:grid;
  grid-template-columns: 16px minmax(0, 1fr);
  gap:10px;
  align-items:start;
  padding: 7px 9px;
  border-radius: 12px;
  cursor: pointer;
  transition: background .16s ease, color .16s ease;
}
.options label:hover { background: rgba(245,247,248,.04); color: var(--ink); }
.options label:has(input[type="radio"]:checked) { color: var(--ink); background: rgba(183,243,74,.07); }
.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%), var(--line) 0); }
.score-ring-inner { width: 132px; height:132px; border-radius:50%; background: var(--canvas); display:grid; place-items:center; text-align:center; box-shadow: inset rgba(255,255,255,.08) 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(17,20,23,.74); }
.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: 1180px) {
  .grader-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 920px) {
  .hero { padding-top: 42px; }
  .hero-inner, .tool-grid, .process-shell, .pricing-box, .contact-shell, .calculator, .install-note, .handoff-grid, .grader-lead-form-panel { grid-template-columns: 1fr; }
  .grader-grid { grid-template-columns: 1fr; }
  .grader-card { min-height: 0; }
  .grader-lead-form-panel .form-grid { grid-template-columns: 1fr; }
  .grader-lead-form-panel .btn { width: 100%; }
  .hero-inner { gap: 26px; }
  .proof-inner { grid-template-columns: 1fr; }
  .proof-item { border-right: 0; border-bottom: 1px solid var(--line); }
  .proof-item:last-child { border-bottom: 0; }
  .sprint-strip { grid-template-columns: 1fr; }
  .sprint-step, .sprint-step:nth-child(2n), .sprint-step:nth-last-child(-n+2) { border-right: 0; border-bottom: 1px solid var(--line); }
  .sprint-step:last-child { border-bottom: 0; }
  .nav-links { display:none; }
  .form-grid { grid-template-columns: 1fr; }
  .metric-grid, .faq-grid { grid-template-columns: 1fr; }
  ul.clean.compact { 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, .example-stack div { grid-template-columns: 1fr; gap: 6px; }
  .btn { width: 100%; }
  .hero-actions, .tile-actions { width: 100%; }
}