:root {
  --ink: #161616;
  --muted: #5f625d;
  --paper: #f7f3ea;
  --panel: #fffaf0;
  --line: #d9d0c0;
  --green: #1f7a5c;
  --green-dark: #14513d;
  --red: #c84d3d;
  --amber: #d89527;
  --black: #0f1110;
  --shadow: 0 24px 60px rgba(40, 34, 22, 0.16);
}

:root[data-theme="dark"] {
  --ink: #f2eee4;
  --muted: #b9b2a4;
  --paper: #111412;
  --panel: #191d19;
  --line: #3b4039;
  --green: #2dbb82;
  --green-dark: #9ef0c7;
  --red: #ff8174;
  --amber: #f2bc52;
  --black: #f2eee4;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(22, 22, 22, 0.035) 1px, transparent 1px),
    linear-gradient(rgba(22, 22, 22, 0.025) 1px, transparent 1px),
    var(--paper);
  background-size: 42px 42px;
  font-family: Georgia, "Times New Roman", serif;
}

button,
input,
textarea {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 5vw, 64px);
  border-bottom: 1px solid rgba(22, 22, 22, 0.12);
  background: rgba(247, 243, 234, 0.9);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 2px solid var(--black);
  background: #e9ff5b;
  font: 800 14px/1 Verdana, sans-serif;
  transform: rotate(-3deg);
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font: 800 18px/1.1 Verdana, sans-serif;
  letter-spacing: 0;
}

.brand small {
  color: var(--muted);
  font: 12px/1.2 Verdana, sans-serif;
}

nav {
  display: flex;
  gap: 18px;
  color: var(--muted);
  font: 700 13px/1 Verdana, sans-serif;
}

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

.site-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-controls select,
.theme-toggle {
  min-height: 38px;
  border: 2px solid var(--black);
  background: var(--panel);
  color: var(--ink);
  padding: 0 10px;
  font: 800 12px/1 Verdana, sans-serif;
}

.theme-toggle {
  cursor: pointer;
  box-shadow: 3px 3px 0 var(--black);
}

:root[data-theme="dark"] .brand-mark,
:root[data-theme="dark"] .button.ghost,
:root[data-theme="dark"] .tool-card:hover,
:root[data-theme="dark"] .mini-nav a:hover {
  color: #111412;
}

:root[data-theme="dark"] .input-wrap,
:root[data-theme="dark"] .results,
:root[data-theme="dark"] .settlement-results,
:root[data-theme="dark"] .tool-card,
:root[data-theme="dark"] .seo-card,
:root[data-theme="dark"] .csv-box textarea,
:root[data-theme="dark"] .file-drop,
:root[data-theme="dark"] .metric-row div {
  background: #141714;
}

:root[data-theme="dark"] fieldset,
:root[data-theme="dark"] .tool-shell.compact,
:root[data-theme="dark"] .content-grid article,
:root[data-theme="dark"] .faq {
  background: #191d19;
}

:root[data-theme="dark"] .callout {
  background: #123426;
  color: #b7ffd8;
}

:root[data-theme="dark"] .status {
  color: #111412;
}

:root[data-theme="dark"] .topbar {
  background: rgba(17, 20, 18, 0.9);
}

main {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 28px;
  min-height: 620px;
  align-items: center;
  padding: 64px 0 42px;
}

.hero-copy {
  padding: 28px 0;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green-dark);
  font: 800 12px/1.2 Verdana, sans-serif;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  letter-spacing: 0;
}

h1 {
  max-width: 850px;
  margin: 0;
  font-size: clamp(48px, 8vw, 96px);
  line-height: 0.92;
}

h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1;
}

h3 {
  margin: 22px 0 12px;
  font: 800 16px/1.2 Verdana, sans-serif;
}

.lede {
  max-width: 680px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.5;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--black);
  padding: 0 18px;
  box-shadow: 4px 4px 0 var(--black);
  cursor: pointer;
  font: 800 14px/1 Verdana, sans-serif;
  transition: transform 120ms ease, box-shadow 120ms ease;
}

.button:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--black);
}

.button.primary {
  background: var(--green);
  color: #fff;
}

.button.ghost {
  background: #fff;
}

.hero-panel,
.tool-shell,
.content-grid article,
.keyword-hub,
.seo-card,
.faq,
footer {
  border: 2px solid var(--black);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.keyword-hub {
  margin: 24px 0 36px;
  padding: clamp(20px, 4vw, 34px);
}

.tool-card-grid,
.seo-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.tool-card,
.seo-card {
  display: grid;
  gap: 9px;
  min-height: 180px;
  border: 2px solid var(--black);
  padding: 16px;
  background: #fff;
  min-width: 0;
  overflow-x: auto;
}

.tool-card:hover {
  background: #e9ff5b;
}

.tool-card span,
.seo-card span,
.breadcrumb {
  color: var(--muted);
  font: 800 11px/1.2 Verdana, sans-serif;
  text-transform: uppercase;
}

.tool-card strong,
.seo-card strong {
  font: 800 20px/1.1 Verdana, sans-serif;
}

.tool-card p,
.seo-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.page-hero {
  padding: 52px 0 20px;
}

.page-hero h1 {
  max-width: 940px;
  font-size: clamp(42px, 7vw, 78px);
}

.page-hero .lede {
  max-width: 760px;
}

.breadcrumb {
  display: inline-flex;
  margin-bottom: 18px;
}

.seo-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 24px;
  margin: 36px 0;
}

.seo-main {
  display: grid;
  gap: 24px;
}

.seo-sidebar {
  align-self: start;
  position: sticky;
  top: 96px;
}

.seo-card h2,
.seo-card h3 {
  margin: 0;
}

.seo-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}

.seo-table th,
.seo-table td {
  border: 1px solid var(--line);
  padding: 12px;
  text-align: left;
  vertical-align: top;
  overflow-wrap: anywhere;
}

.seo-table th {
  background: #f3ffe4;
  font: 800 12px/1.2 Verdana, sans-serif;
  text-transform: uppercase;
}

.mini-nav {
  display: grid;
  gap: 10px;
}

.mini-nav a {
  border: 1px solid var(--line);
  padding: 10px;
  background: #fffaf0;
  font: 800 13px/1.2 Verdana, sans-serif;
}

.mini-nav a:hover {
  background: #e9ff5b;
}

.hero-panel {
  padding: 28px;
  transform: rotate(1.2deg);
}

.ticker {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 2px solid var(--black);
  padding-bottom: 18px;
}

.ticker span,
.quick-stats dt,
.metric-row span,
.score-label {
  color: var(--muted);
  font: 700 12px/1.2 Verdana, sans-serif;
  text-transform: uppercase;
}

.ticker strong {
  font-size: 54px;
  line-height: 1;
}

.quick-stats {
  display: grid;
  gap: 14px;
  margin: 24px 0;
}

.quick-stats div {
  display: flex;
  justify-content: space-between;
  gap: 18px;
}

.quick-stats dd {
  margin: 0;
  font: 800 28px/1 Verdana, sans-serif;
}

.panel-note {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.tool-shell {
  margin: 36px 0;
  padding: clamp(20px, 4vw, 38px);
}

.tool-shell.compact {
  background: #f3ffe4;
}

.section-head {
  max-width: 760px;
  margin-bottom: 26px;
}

.section-head p:not(.eyebrow) {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.5;
}

.calculator-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.8fr);
  gap: 24px;
}

.inputs {
  display: grid;
  gap: 16px;
}

fieldset {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  border: 1px solid var(--line);
  padding: 16px;
  background: rgba(255, 255, 255, 0.58);
}

legend {
  padding: 0 8px;
  font: 800 13px/1 Verdana, sans-serif;
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font: 700 12px/1.2 Verdana, sans-serif;
}

.input-wrap {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  min-height: 42px;
  border: 1px solid var(--line);
  background: #fff;
}

.input-wrap span {
  padding: 0 10px;
  color: var(--muted);
}

input,
textarea {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
}

input {
  min-height: 40px;
  padding: 0 8px;
  font: 800 15px/1 Verdana, sans-serif;
}

.results,
.settlement-results {
  border: 2px solid var(--black);
  background: #fff;
  padding: 20px;
}

.scorecard {
  display: grid;
  gap: 8px;
  border-bottom: 2px solid var(--black);
  padding-bottom: 18px;
}

#netProfit {
  font: 800 56px/1 Verdana, sans-serif;
}

.status {
  width: fit-content;
  border: 1px solid var(--black);
  padding: 6px 9px;
  background: #e9ff5b;
  font: 800 12px/1 Verdana, sans-serif;
}

.status.warn {
  background: #ffd670;
}

.status.bad {
  background: #ffafa4;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.metric-row div {
  border: 1px solid var(--line);
  padding: 12px;
  background: #fffaf0;
}

.metric-row strong {
  display: block;
  margin-top: 6px;
  font: 800 23px/1.1 Verdana, sans-serif;
}

.bars {
  display: grid;
  gap: 8px;
}

.bar {
  display: grid;
  gap: 4px;
}

.bar-top {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font: 700 12px/1.2 Verdana, sans-serif;
}

.bar-track {
  height: 12px;
  border: 1px solid var(--black);
  background: #f1eadc;
}

.bar-fill {
  height: 100%;
  background: var(--green);
}

.callout {
  margin-top: 18px;
  border-left: 5px solid var(--green);
  padding: 12px 14px;
  background: #effadd;
  color: var(--green-dark);
  line-height: 1.45;
}

.settlement-layout,
.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.75fr);
  gap: 24px;
}

.csv-box {
  display: grid;
  gap: 12px;
}

.file-drop {
  min-height: 86px;
  place-items: center;
  border: 2px dashed var(--black);
  background: #fff;
  cursor: pointer;
  text-align: center;
}

.file-drop input {
  display: none;
}

.file-drop span {
  color: var(--ink);
  font: 800 16px/1.2 Verdana, sans-serif;
}

.file-drop small {
  color: var(--muted);
}

textarea {
  min-height: 210px;
  border: 1px solid var(--line);
  background: #fff;
  padding: 12px;
  font: 13px/1.45 Consolas, "Courier New", monospace;
  resize: vertical;
}

.content-grid {
  margin: 36px 0;
}

.content-grid article {
  padding: 28px;
}

.content-grid p,
.faq p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.55;
}

.check-list {
  padding-left: 20px;
  line-height: 1.7;
}

.faq {
  margin: 36px 0;
  padding: 28px;
}

details {
  border-top: 1px solid var(--line);
  padding: 15px 0;
}

summary {
  cursor: pointer;
  font: 800 16px/1.2 Verdana, sans-serif;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  width: min(1180px, calc(100% - 32px));
  margin: 36px auto 28px;
  padding: 18px;
  color: var(--muted);
  font: 13px/1.4 Verdana, sans-serif;
}

@media (max-width: 860px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .site-controls {
    width: 100%;
    justify-content: space-between;
  }

  .hero,
  .calculator-grid,
  .settlement-layout,
  .content-grid,
  .seo-layout {
    grid-template-columns: 1fr;
  }

  .tool-card-grid,
  .seo-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .seo-sidebar {
    position: static;
  }

  .hero {
    min-height: auto;
    padding-top: 34px;
  }

  .hero-panel {
    transform: none;
  }

  fieldset {
    grid-template-columns: 1fr;
  }

  footer {
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  main,
  footer {
    width: min(100% - 20px, 1180px);
  }

  h1 {
    font-size: 44px;
  }

  .metric-row {
    grid-template-columns: 1fr;
  }

  .tool-card-grid,
  .seo-grid {
    grid-template-columns: 1fr;
  }
}