/* Budgeteer Payroll Lab — employer cost register on a green analysis pad. */
@import url("https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,560;9..144,700&family=IBM+Plex+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400&display=swap");

:root {
  --ink: #12231c;
  --ink-soft: #3d5348;
  --paper: #cfdccb;
  --sheet: #fffaf0;
  --rule: #b7c4b0;
  --rule-strong: #6e7d68;
  --teal: #1b3d32;
  --teal-ink: #f4efe0;
  --rust: #8b2e1f;
  --rust-soft: #f3e2d4;
  --brass: #c45c26;
  --wage: #f4efe0;
  --ok: #1b3d32;
  --err: #8b1e1e;
  --focus: #134e8b;
  --shadow: 0 18px 40px rgba(18, 35, 28, 0.14);
  --max: 74rem;
  --sans: "IBM Plex Sans", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --serif: Fraunces, Palatino, "Palatino Linotype", Georgia, serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

html:focus-within {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    radial-gradient(120rem 40rem at 50% -8rem, rgba(255, 250, 240, 0.45), transparent 55%),
    linear-gradient(90deg, transparent 3.4rem, rgba(139, 46, 31, 0.28) 3.4rem, rgba(139, 46, 31, 0.28) 3.52rem, transparent 3.52rem),
    repeating-linear-gradient(
      180deg,
      transparent 0,
      transparent 1.7rem,
      rgba(27, 61, 50, 0.08) 1.7rem,
      rgba(27, 61, 50, 0.08) 1.74rem
    );
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.65;
}

a {
  color: var(--teal);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--rust);
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: 0.75rem;
  top: -3.5rem;
  z-index: 20;
  padding: 0.55rem 0.85rem;
  background: var(--ink);
  color: #fff;
}

.skip:focus {
  top: 0.75rem;
}

.mast {
  position: sticky;
  top: 0;
  z-index: 8;
  border-bottom: 3px double var(--teal);
  background: rgba(255, 250, 240, 0.96);
  box-shadow: 0 8px 22px rgba(18, 35, 28, 0.08);
}

.mast-inner,
.foot-inner,
.wrap {
  width: min(var(--max), calc(100% - 2rem));
  margin-inline: auto;
}

.mast-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}

.wordmark {
  display: grid;
  grid-template-columns: 2.7rem auto;
  grid-template-rows: auto auto;
  column-gap: 0.75rem;
  align-items: center;
  color: inherit;
  text-decoration: none;
}

.wordmark::before {
  content: "";
  grid-row: 1 / span 2;
  width: 2.7rem;
  height: 2.7rem;
  border: 2px solid var(--teal);
  box-shadow: 2px 2px 0 rgba(196, 92, 38, 0.35);
  background: #1b3d32 url("../media/mark.svg") center / cover no-repeat;
}

.wordmark strong,
.wordmark span {
  grid-column: 2;
}

.wordmark strong {
  font-family: var(--serif);
  font-size: 1.32rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.wordmark span {
  color: var(--ink-soft);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.nav a {
  padding: 0.4rem 0.75rem;
  border-bottom: 3px solid transparent;
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
}

.nav a:hover {
  color: var(--rust);
  background: rgba(139, 46, 31, 0.06);
}

.nav a[aria-current="page"] {
  color: var(--rust);
  border-bottom-color: var(--rust);
  background: rgba(139, 46, 31, 0.08);
}

.hero,
.panel,
.faq,
.grid-tools,
.note,
.examples,
.guide {
  width: min(var(--max), calc(100% - 2rem));
  margin: 1.6rem auto;
}

.kicker {
  margin: 0 0 0.35rem;
  color: var(--rust);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  font-family: var(--serif);
  line-height: 1.2;
}

h1 {
  margin: 0 0 0.75rem;
  max-width: 18ch;
  font-size: clamp(2.15rem, 4.4vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.hero-split {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(16rem, 0.85fr);
  gap: 1.5rem 2rem;
  align-items: center;
}

.hero-figure {
  margin: 0;
}

.desk-art {
  padding: 0.85rem;
  border: 1px solid var(--teal);
  background: var(--teal);
  box-shadow: var(--shadow), 6px 6px 0 rgba(27, 61, 50, 0.18);
}

.desk-art-sheet {
  position: relative;
  min-height: 16.5rem;
  padding: 1.2rem 1.15rem 1.15rem 1.85rem;
  border-left: 5px solid var(--rust);
  background:
    radial-gradient(circle at 0.85rem 1.6rem, var(--paper) 0 0.24rem, transparent 0.26rem),
    radial-gradient(circle at 0.85rem 50%, var(--paper) 0 0.24rem, transparent 0.26rem),
    radial-gradient(circle at 0.85rem calc(100% - 1.6rem), var(--paper) 0 0.24rem, transparent 0.26rem),
    var(--sheet);
}

.desk-art-kicker {
  margin: 0 6.5rem 0.45rem 0;
  color: var(--rust);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.desk-art-title {
  margin: 0 0 0.85rem;
  font-family: var(--serif);
  font-size: 1.55rem;
  line-height: 1.15;
}

.desk-art-stamp {
  position: absolute;
  top: 1rem;
  right: 0.9rem;
  padding: 0.28rem 0.5rem;
  border: 3px solid var(--brass);
  color: var(--rust);
  font-family: var(--serif);
  font-size: 0.85rem;
  transform: rotate(-8deg);
}

.desk-art-bar {
  display: flex;
  overflow: hidden;
  height: 1.35rem;
  margin: 0 0 0.7rem;
  background: #10261f;
}

.desk-art-bar .is-wages {
  flex: 6.2 1 0;
  background: var(--wage);
}

.desk-art-bar .is-fica {
  flex: 1.1 1 0;
  background: var(--brass);
}

.desk-art-bar .is-user {
  flex: 0.7 1 0;
  background: var(--rust);
}

.desk-art-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.85rem;
  margin: 0 0 1.1rem;
  padding: 0;
  list-style: none;
  color: var(--ink-soft);
  font-size: 0.86rem;
}

.desk-art-legend li {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.desk-art-legend li::before {
  content: "";
  width: 0.7rem;
  height: 0.7rem;
  border: 1px solid var(--rule-strong);
}

.desk-art-legend .is-wages::before {
  background: var(--wage);
}

.desk-art-legend .is-fica::before {
  background: var(--brass);
}

.desk-art-legend .is-user::before {
  background: var(--rust);
}

.desk-art-label {
  margin: 0 0 0.2rem;
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.desk-art-total {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2rem, 5vw, 2.6rem);
  line-height: 1;
  letter-spacing: -0.03em;
}

.hero-figure figcaption {
  margin-top: 0.7rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.lede {
  max-width: 62ch;
  margin: 0 0 1rem;
  color: var(--ink-soft);
  font-size: 1.12rem;
}

.tax-year {
  display: inline-block;
  margin: 0 0 1.25rem;
  padding: 0.45rem 0.8rem;
  border: 3px solid var(--brass);
  background: rgba(255, 250, 240, 0.94);
  color: var(--rust);
  font-family: var(--serif);
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  box-shadow: 3px 3px 0 rgba(196, 92, 38, 0.22);
  transform: rotate(-1.2deg);
}

.workbench {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(18rem, 0.95fr);
  gap: 1.25rem;
  align-items: start;
}

.sheet,
.result {
  border: 1px solid var(--rule);
  background: var(--sheet);
  box-shadow: var(--shadow);
}

.sheet {
  position: relative;
  padding: 1.35rem 1.4rem 1.55rem 2.25rem;
  border-left: 5px solid var(--rust);
  background-color: var(--sheet);
  background-image:
    linear-gradient(180deg, rgba(255, 255, 255, 0.35), transparent 3rem),
    radial-gradient(circle at 0.85rem 2.1rem, var(--paper) 0 0.26rem, transparent 0.28rem),
    radial-gradient(circle at 0.85rem 50%, var(--paper) 0 0.26rem, transparent 0.28rem),
    radial-gradient(circle at 0.85rem calc(100% - 2.1rem), var(--paper) 0 0.26rem, transparent 0.28rem);
}

.sheet::before {
  content: "Employer cost register · USD · BPL-26";
  display: block;
  margin: 0 0 0.85rem;
  color: var(--ink-soft);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sheet::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 1.4rem;
  height: 1.4rem;
  background: linear-gradient(135deg, transparent 50%, rgba(139, 46, 31, 0.12) 50%);
}

.result {
  padding: 0;
  overflow: hidden;
  background:
    radial-gradient(18rem 10rem at 100% 0, rgba(196, 92, 38, 0.18), transparent 60%),
    linear-gradient(180deg, #244a3e 0 2.5rem, var(--teal) 2.5rem);
  color: var(--teal-ink);
}

.result h3 {
  margin: 0.4rem 0 0.5rem;
  font-size: 1.05rem;
}

@media (min-width: 861px) {
  .result {
    position: sticky;
    top: 1rem;
  }
}

.result-inner {
  padding: 1.25rem 1.3rem 1.4rem;
}

.result-inner::before {
  content: "Loaded cost memo";
  display: block;
  margin: 0 0 0.55rem;
  color: #e4c39a;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.cost-stack {
  margin: 0 0 0.9rem;
}

.cost-stack-track {
  display: flex;
  overflow: hidden;
  height: 1.45rem;
  border: 1px solid #d8d0bf;
  background: #10261f;
  box-shadow: inset 0 0 0 1px rgba(16, 38, 31, 0.4);
}

.cost-stack-track span {
  min-width: 0.35rem;
}

#ec-bar-wages {
  background: var(--wage);
}

#ec-bar-fica {
  background: var(--brass);
}

#ec-bar-user {
  background: #8b2e1f;
}

.cost-stack-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 1rem;
  margin: 0.45rem 0 0;
  padding: 0;
  list-style: none;
  color: #d8d0bf;
  font-size: 0.86rem;
}

.cost-stack-legend li {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.cost-stack-legend li::before {
  content: "";
  width: 0.7rem;
  height: 0.7rem;
  border: 1px solid #d8d0bf;
}

.cost-stack-legend .is-wages::before {
  background: var(--wage);
}

.cost-stack-legend .is-fica::before {
  background: var(--brass);
}

.cost-stack-legend .is-user::before {
  background: #8b2e1f;
}

.result h2 {
  margin: 0 0 0.35rem;
  font-size: 1.15rem;
}

.result .total {
  margin: 0.15rem 0 0.55rem;
  font-family: var(--serif);
  font-size: clamp(2.15rem, 5vw, 3.05rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

.result p {
  margin: 0 0 0.75rem;
}

.result dl {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.4rem 1rem;
  margin: 0 0 1rem;
}

.result dt {
  color: #d8d0bf;
}

.result dd {
  margin: 0;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.fieldset {
  margin: 0 0 1.1rem;
  padding: 0;
  border: 0;
}

.fieldset legend {
  padding: 0 0 0.45rem;
  font-family: var(--serif);
  font-size: 1.2rem;
}

.field {
  margin: 0 0 0.85rem;
}

label {
  display: block;
  margin-bottom: 0.28rem;
  font-weight: 650;
}

.hint {
  display: block;
  margin: 0.2rem 0 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.err {
  display: block;
  margin: 0.25rem 0 0;
  color: var(--err);
  font-weight: 650;
}

input[type="text"],
input[type="number"],
select,
textarea {
  width: 100%;
  max-width: 28rem;
  padding: 0.68rem 0.75rem;
  border: 1.5px solid var(--rule-strong);
  border-radius: 0;
  background: #fffdf8;
  color: var(--ink);
  font: inherit;
  font-variant-numeric: tabular-nums;
  box-shadow: inset 0 -2px 0 rgba(27, 61, 50, 0.08);
}

input[type="text"]:focus,
input[type="number"]:focus,
select:focus,
textarea:focus {
  border-color: var(--teal);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(19, 78, 139, 0.18);
}

input[aria-invalid="true"],
select[aria-invalid="true"] {
  border-color: var(--err);
  background: #fff6f4;
}

.row-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.row-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.4rem;
}

button,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.8rem;
  padding: 0.5rem 1.05rem;
  border: 0;
  background: linear-gradient(#2a5244, var(--teal));
  color: #fff;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 2px 0 #0e221b;
}

button:hover,
.btn:hover {
  filter: brightness(1.06);
}

button.secondary,
.btn.secondary {
  border: 1.5px solid var(--rule-strong);
  background: #fffdf8;
  color: var(--ink);
  box-shadow: none;
}

button.ghost {
  background: transparent;
  color: var(--teal-ink);
  border: 1px solid #d8d0bf;
}

.choice {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.choice label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.75rem;
  border: 1.5px solid var(--rule-strong);
  background: #fffdf8;
  font-weight: 550;
}

.choice label:has(input:checked) {
  border-color: var(--teal);
  background: var(--teal);
  color: var(--teal-ink);
}

.is-inactive input,
input:disabled,
select:disabled {
  opacity: 0.55;
}

.meta-line {
  margin: 0 0 0.85rem;
  color: #d8d0bf;
  font-size: 0.92rem;
}

.grid-tools {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16.5rem, 1fr));
  gap: 0.95rem;
  counter-reset: lab-sheet;
}

.card {
  position: relative;
  display: block;
  padding: 1.65rem 1.1rem 1.2rem;
  border: 1px solid #c9b992;
  background:
    linear-gradient(#fffaf0, #f3ead2);
  color: inherit;
  text-decoration: none;
  box-shadow: var(--shadow);
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 42%;
  height: 0.62rem;
  background: var(--teal);
}

.card::after {
  counter-increment: lab-sheet;
  content: "Sheet " counter(lab-sheet, decimal-leading-zero);
  position: absolute;
  top: 0.85rem;
  right: 0.85rem;
  color: var(--rust);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 34px rgba(18, 35, 28, 0.16);
}

.card h2,
.card h3 {
  margin: 0 0 0.4rem;
  font-size: 1.25rem;
}

.card p {
  margin: 0;
  color: var(--ink-soft);
}

.examples {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.example {
  padding: 1.1rem 1.1rem 1.15rem;
  border: 1px solid var(--rule);
  border-left: 4px solid var(--rust);
  background: var(--sheet);
  box-shadow: var(--shadow);
}

.example strong {
  display: block;
  margin-bottom: 0.35rem;
  font-family: var(--serif);
  font-size: 1.15rem;
}

.guide {
  padding: 1.35rem 1.4rem 1.5rem 2.15rem;
  border: 1px solid var(--rule);
  border-left: 5px solid var(--rust);
  background: var(--sheet);
  box-shadow: var(--shadow);
}

.faq details,
.note,
.guide-block {
  margin: 0 0 0.7rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--rule);
  background: var(--sheet);
}

.faq summary {
  cursor: pointer;
  font-weight: 700;
}

.disclaimer {
  margin: 1.6rem auto 2rem;
  width: min(var(--max), calc(100% - 2rem));
  padding: 1rem 1.1rem;
  border: 2px solid var(--ink);
  background: #fff;
  color: var(--ink);
  font-size: 1rem;
}

.disclaimer strong {
  display: block;
  margin-bottom: 0.3rem;
  font-family: var(--serif);
  font-size: 1.15rem;
}

.foot {
  margin-top: 2.5rem;
  padding: 1.4rem 0 2rem;
  border-top: 3px double var(--teal);
  background: #c9d6c4;
  color: var(--ink);
}

.foot p {
  max-width: 70ch;
}

.muted {
  color: var(--ink-soft);
}

.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

.role-block {
  padding: 0.85rem 0 0.2rem;
  border-top: 1px dashed var(--rule);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

@media (max-width: 860px) {
  .workbench,
  .compare,
  .examples,
  .row-3,
  .hero-split {
    grid-template-columns: 1fr;
  }

  .row-2 {
    grid-template-columns: 1fr;
  }

  .result {
    position: static;
  }

  h1 {
    max-width: none;
  }

  .mast {
    position: static;
  }
}

.restore {
  width: min(var(--max), calc(100% - 2rem));
  margin: 1rem auto 0;
  padding: 0.75rem 1rem;
  border: 1px solid var(--rule-strong);
  background: var(--rust-soft);
}

.next-steps {
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid #3d5f5c;
}

.next-steps p {
  margin: 0 0 0.45rem;
  color: #d8d0bf;
}

.next-steps a {
  display: inline-block;
  margin: 0 0.45rem 0.4rem 0;
  padding: 0.28rem 0.55rem;
  border: 1px solid #d8d0bf;
  color: #fff8ea;
  text-decoration: none;
}

.next-steps a:hover {
  background: rgba(255, 250, 240, 0.1);
  color: #fff;
}

.example button {
  margin-top: 0.65rem;
}

.example-note {
  max-width: 46rem;
  margin: 0.55rem 0 0;
}

.path {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 0.85rem;
  width: min(var(--max), calc(100% - 2rem));
  margin: 1.4rem auto;
}

.path-step {
  padding: 1.15rem 1.15rem 1.2rem;
  border: 1px solid var(--rule);
  background:
    linear-gradient(#fff, var(--sheet));
  box-shadow: var(--shadow);
}

.path-step span {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--rust);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .card,
  button,
  .btn {
    transition: none;
  }

  .card:hover {
    transform: none;
  }
}

@media print {
  .skip,
  .mast,
  .nav,
  .actions,
  .examples,
  .grid-tools,
  .faq,
  .next-steps,
  .restore,
  .path,
  .hero-figure,
  button,
  .disclaimer,
  .foot {
    display: none !important;
  }

  body {
    background: #fff;
    color: #111;
  }

  .workbench {
    display: block;
  }

  .result {
    position: static;
    background: #fff;
    color: #111;
    box-shadow: none;
  }

  .result dt,
  .meta-line {
    color: #333;
  }

  .sheet,
  .result {
    border: 1px solid #111;
  }
}