:root {
  --paper: #f4efe5;
  --paper-deep: #e9e0d0;
  --paper-light: #fffdf8;
  --ink: #17201a;
  --ink-soft: #2c3830;
  --muted: #626b65;
  --line: rgba(23, 32, 26, 0.16);
  --line-strong: rgba(23, 32, 26, 0.34);
  --accent: #f45b32;
  --accent-dark: #c63b18;
  --green: #1c6658;
  --green-light: #d9eee7;
  --lime: #dff28a;
  --error: #a5291b;
  --success: #1d6b50;
  --shadow: 0 18px 50px rgba(37, 31, 22, 0.1);
  --radius-sm: 8px;
  --radius: 16px;
  --radius-lg: 28px;
  --shell: min(1180px, calc(100vw - 40px));
  --sans: "Aptos", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  --mono: "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
}

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

html {
  scroll-behavior: smooth;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 5%, rgba(255, 255, 255, 0.78), transparent 22rem),
    linear-gradient(180deg, var(--paper), #f7f3eb 63%, var(--paper));
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(23, 32, 26, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 32, 26, 0.025) 1px, transparent 1px);
  background-size: 32px 32px;
  content: "";
  pointer-events: none;
  mask-image: linear-gradient(to bottom, black, transparent 62%);
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

[hidden] {
  display: none !important;
}

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

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

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 9px 14px;
  border-radius: 6px;
  background: var(--ink);
  color: var(--paper-light);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid transparent;
  background: rgba(244, 239, 229, 0.9);
  backdrop-filter: blur(16px);
}

.header-inner {
  display: flex;
  min-height: 76px;
  align-items: center;
  gap: 30px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-size: 1.04rem;
  font-weight: 750;
  letter-spacing: -0.025em;
  text-decoration: none;
  white-space: nowrap;
}

.brand-mark {
  position: relative;
  display: inline-grid;
  width: 33px;
  height: 33px;
  place-items: center;
  overflow: hidden;
  border-radius: 50%;
  background: var(--ink);
}

.brand-mark::before,
.brand-mark::after,
.brand-mark span {
  position: absolute;
  content: "";
}

.brand-mark::before {
  top: 7px;
  width: 5px;
  height: 18px;
  border-radius: 4px;
  background: var(--accent);
}

.brand-mark::after {
  bottom: 8px;
  width: 18px;
  height: 3px;
  border-radius: 2px;
  background: var(--paper);
}

.brand-mark span {
  top: 8px;
  width: 10px;
  height: 10px;
  border-top: 3px solid var(--accent);
  border-left: 3px solid var(--accent);
  transform: rotate(45deg);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-left: auto;
}

.main-nav a {
  position: relative;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 650;
  text-decoration: none;
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--ink);
}

.main-nav a[aria-current="page"]::after {
  position: absolute;
  right: 0;
  bottom: -10px;
  left: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
  content: "";
}

.header-cta {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  padding: 0 17px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 750;
  text-decoration: none;
  transition: background 160ms ease, color 160ms ease, transform 160ms ease;
}

.header-cta:hover {
  background: var(--ink);
  color: var(--paper-light);
  transform: translateY(-1px);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 17px;
  color: var(--accent-dark);
  font-family: var(--mono);
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  line-height: 1.3;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 23px;
  height: 2px;
  background: currentColor;
  content: "";
}

h1,
h2,
h3,
h4 {
  margin-top: 0;
  font-family: var(--serif);
  font-weight: 650;
  letter-spacing: -0.035em;
  line-height: 1.04;
  text-wrap: balance;
}

h1 {
  margin-bottom: 24px;
  font-size: clamp(3rem, 7vw, 6.2rem);
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 3.5rem);
}

h3 {
  margin-bottom: 12px;
  font-size: clamp(1.3rem, 2.2vw, 1.8rem);
}

p {
  margin-top: 0;
}

.hero {
  position: relative;
  display: grid;
  min-height: min(760px, calc(100vh - 76px));
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.64fr);
  align-items: center;
  gap: clamp(34px, 6vw, 88px);
  padding-block: 74px 82px;
}

.hero::before {
  position: absolute;
  top: 32px;
  right: 26%;
  width: 150px;
  height: 150px;
  border: 1px solid var(--line);
  border-radius: 50%;
  box-shadow:
    0 0 0 28px rgba(23, 32, 26, 0.022),
    0 0 0 56px rgba(23, 32, 26, 0.016);
  content: "";
  pointer-events: none;
}

.hero-copy {
  position: relative;
  z-index: 1;
}

.hero-copy h1 em {
  color: var(--accent-dark);
  font-style: normal;
}

.hero-lede {
  max-width: 630px;
  margin-bottom: 32px;
  color: var(--ink-soft);
  font-size: clamp(1.08rem, 1.65vw, 1.24rem);
  line-height: 1.6;
}

.hero-actions,
.article-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 21px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.93rem;
  font-weight: 760;
  line-height: 1;
  text-align: center;
  text-decoration: none;
  transition:
    background 160ms ease,
    border-color 160ms ease,
    color 160ms ease,
    transform 160ms ease,
    box-shadow 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  border-color: var(--accent-dark);
  background: var(--accent-dark);
  color: #fff;
  box-shadow: 0 9px 24px rgba(196, 56, 22, 0.2);
}

.button-primary:hover {
  border-color: #9f2c0f;
  background: #9f2c0f;
}

.button-secondary {
  border-color: var(--line-strong);
  background: transparent;
  color: var(--ink);
}

.button-secondary:hover {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper-light);
}

.button-small {
  min-height: 41px;
  padding-inline: 16px;
  font-size: 0.83rem;
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin: 36px 0 0;
  padding: 0;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 650;
  list-style: none;
}

.hero-proof li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-proof li::before {
  display: inline-grid;
  width: 17px;
  height: 17px;
  place-items: center;
  border-radius: 50%;
  background: var(--green-light);
  color: var(--green);
  content: "✓";
  font-size: 0.64rem;
  font-weight: 900;
}

.hero-receipt {
  position: relative;
  overflow: hidden;
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 85% 0%, rgba(223, 242, 138, 0.13), transparent 15rem),
    var(--ink);
  color: var(--paper-light);
  box-shadow: var(--shadow);
  transform: rotate(1.1deg);
}

.hero-receipt::after {
  position: absolute;
  right: -25px;
  bottom: -40px;
  width: 180px;
  height: 180px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  content: "";
}

.receipt-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: rgba(255, 253, 248, 0.68);
  font-family: var(--mono);
  font-size: 0.67rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.receipt-live {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.receipt-live::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(223, 242, 138, 0.1);
  content: "";
}

.receipt-label {
  margin: 38px 0 3px;
  color: rgba(255, 253, 248, 0.62);
  font-size: 0.82rem;
}

.receipt-price {
  margin: 0;
  color: var(--lime);
  font-family: var(--serif);
  font-size: clamp(3.8rem, 7vw, 6rem);
  line-height: 0.95;
  letter-spacing: -0.07em;
}

.receipt-price small {
  font-family: var(--sans);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0;
}

.receipt-rule {
  margin: 27px 0;
  border: 0;
  border-top: 1px dashed rgba(255, 255, 255, 0.19);
}

.receipt-rows {
  display: grid;
  gap: 12px;
  margin: 0;
}

.receipt-rows div {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.receipt-rows dt {
  color: rgba(255, 253, 248, 0.64);
  font-size: 0.82rem;
}

.receipt-rows dd {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.79rem;
}

.receipt-note {
  position: relative;
  z-index: 1;
  margin: 30px 0 0;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  color: rgba(255, 253, 248, 0.62);
  font-size: 0.7rem;
  line-height: 1.45;
}

.trust-strip {
  border-block: 1px solid var(--line);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.trust-item {
  padding: 24px 22px;
  border-right: 1px solid var(--line);
}

.trust-item:first-child {
  border-left: 1px solid var(--line);
}

.trust-item strong {
  display: block;
  margin-bottom: 3px;
  font-family: var(--serif);
  font-size: 1.35rem;
}

.trust-item span {
  color: var(--muted);
  font-size: 0.77rem;
}

.section {
  padding-block: clamp(70px, 10vw, 128px);
}

.section-tight {
  padding-block: clamp(48px, 7vw, 78px);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.55fr);
  gap: 42px;
  align-items: end;
  margin-bottom: 43px;
}

.section-heading h2 {
  margin-bottom: 0;
}

.section-heading p {
  margin-bottom: 5px;
  color: var(--muted);
}

.calculator-shell {
  overflow: clip;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background: var(--paper-light);
  box-shadow: 0 22px 60px rgba(52, 43, 31, 0.08);
}

.calculator-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 21px 24px;
  border-bottom: 1px solid var(--line);
  background: rgba(233, 224, 208, 0.36);
}

.calculator-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.calculator-title span {
  display: grid;
  width: 29px;
  height: 29px;
  place-items: center;
  border-radius: 7px;
  background: var(--ink);
  color: var(--lime);
  font-family: var(--mono);
  font-size: 0.7rem;
}

.calculator-title strong {
  font-size: 0.92rem;
}

.calculator-controls {
  display: flex;
  align-items: center;
  gap: 9px;
}

.currency-select {
  min-height: 36px;
  padding: 5px 31px 5px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background-color: var(--paper-light);
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 700;
}

.text-button {
  padding: 3px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 0.77rem;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.calculator-body {
  display: grid;
  grid-template-columns: minmax(0, 1.42fr) minmax(330px, 0.78fr);
}

.calculator-form {
  padding: 30px;
}

.form-section + .form-section {
  margin-top: 30px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.form-section-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 17px;
}

.form-section-title h3 {
  margin: 0;
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.form-section-title span {
  color: var(--muted);
  font-size: 0.72rem;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 17px 16px;
}

.field-grid-three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.field {
  min-width: 0;
}

.field label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 7px;
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 700;
}

.field label span {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 500;
}

.input-wrap {
  position: relative;
}

.input-wrap input,
.input-wrap select {
  width: 100%;
  min-height: 45px;
  padding: 9px 44px 9px 12px;
  border: 1px solid var(--line);
  border-radius: 9px;
  outline: 0;
  background: #fffefa;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.87rem;
  font-weight: 620;
  transition: border-color 150ms ease, box-shadow 150ms ease;
}

.input-wrap select {
  padding-right: 31px;
}

.input-wrap input:hover {
  border-color: var(--line-strong);
}

.input-wrap input:focus,
.input-wrap select:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(28, 102, 88, 0.1);
}

.input-suffix {
  position: absolute;
  top: 50%;
  right: 12px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.7rem;
  pointer-events: none;
  transform: translateY(-50%);
}

.form-note {
  margin: 15px 0 0;
  color: var(--muted);
  font-size: 0.74rem;
  line-height: 1.55;
}

.result-panel {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 30px;
  border-left: 1px solid var(--line);
  background:
    radial-gradient(circle at 100% 0%, rgba(223, 242, 138, 0.1), transparent 18rem),
    var(--ink);
  color: var(--paper-light);
}

.result-kicker {
  margin-bottom: 5px;
  color: rgba(255, 253, 248, 0.58);
  font-family: var(--mono);
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.result-primary {
  margin: 0;
  color: var(--lime);
  font-family: var(--serif);
  font-size: clamp(3.3rem, 6vw, 5.3rem);
  line-height: 1;
  letter-spacing: -0.065em;
}

.result-secondary {
  margin: 7px 0 0;
  color: rgba(255, 253, 248, 0.7);
  font-size: 0.83rem;
}

.result-divider {
  margin: 25px 0 20px;
  border: 0;
  border-top: 1px dashed rgba(255, 255, 255, 0.18);
}

.breakdown {
  display: grid;
  gap: 11px;
  margin: 0;
}

.breakdown div {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 15px;
}

.breakdown dt {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 253, 248, 0.72);
  font-size: 0.76rem;
}

.breakdown dt::before {
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--dot, rgba(255, 253, 248, 0.4));
  content: "";
}

.breakdown dd {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.76rem;
}

.result-total {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.result-total-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}

.result-total-row + .result-total-row {
  margin-top: 9px;
}

.result-total-row span {
  color: rgba(255, 253, 248, 0.62);
  font-size: 0.75rem;
}

.result-total-row strong {
  font-family: var(--mono);
  font-size: 0.83rem;
}

.result-actions {
  display: grid;
  gap: 9px;
  margin-top: auto;
  padding-top: 27px;
}

.result-actions .button {
  min-height: 43px;
}

.result-actions .button-primary {
  border-color: var(--lime);
  background: var(--lime);
  color: var(--ink);
  box-shadow: none;
}

.result-actions .button-primary:hover {
  border-color: #ecffa5;
  background: #ecffa5;
}

.result-actions .button-secondary {
  border-color: rgba(255, 255, 255, 0.28);
  color: var(--paper-light);
}

.result-actions .button-secondary:hover {
  border-color: var(--paper-light);
  background: var(--paper-light);
  color: var(--ink);
}

.calculator-error {
  margin-top: 14px;
  padding: 10px 12px;
  border: 1px solid rgba(255, 176, 153, 0.45);
  border-radius: 8px;
  background: rgba(165, 41, 27, 0.25);
  color: #ffd7cc;
  font-size: 0.75rem;
}

.mini-note {
  color: rgba(255, 253, 248, 0.5);
  font-size: 0.68rem;
  line-height: 1.5;
  text-align: center;
}

.callout {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  margin-top: 24px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(233, 224, 208, 0.38);
}

.callout-icon {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 50%;
  background: var(--green-light);
  color: var(--green);
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 800;
}

.callout strong {
  display: block;
  margin-bottom: 2px;
}

.callout p {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--line);
}

.feature-card {
  min-height: 260px;
  padding: 31px;
  background: var(--paper-light);
}

.feature-number {
  display: block;
  margin-bottom: 34px;
  color: var(--accent-dark);
  font-family: var(--mono);
  font-size: 0.74rem;
  font-weight: 700;
}

.feature-card p {
  color: var(--muted);
  font-size: 0.9rem;
}

.feature-card a {
  display: inline-block;
  margin-top: 14px;
  font-size: 0.79rem;
  font-weight: 750;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.guide-card {
  position: relative;
  min-height: 230px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper-light);
  transition: border-color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.guide-card:hover {
  border-color: var(--line-strong);
  box-shadow: 0 13px 34px rgba(52, 43, 31, 0.08);
  transform: translateY(-3px);
}

.guide-card a {
  text-decoration: none;
}

.guide-card a::after {
  position: absolute;
  inset: 0;
  content: "";
}

.guide-card .eyebrow {
  margin-bottom: 28px;
}

.guide-card h3 {
  max-width: 90%;
  margin-bottom: 13px;
  font-size: 1.62rem;
}

.guide-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.87rem;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: clamp(40px, 7vw, 96px);
  padding-block: 74px 110px;
}

.article-header {
  max-width: 850px;
  padding-bottom: 42px;
  border-bottom: 1px solid var(--line);
}

.article-header h1 {
  max-width: 900px;
  font-size: clamp(2.7rem, 6.3vw, 5.3rem);
}

.article-header .lede {
  max-width: 740px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 1.1rem;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 17px;
  margin-top: 21px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.69rem;
}

.article-content {
  max-width: 790px;
  padding-top: 42px;
}

.article-content > :first-child {
  margin-top: 0;
}

.article-content h2 {
  margin: 58px 0 20px;
  font-size: clamp(2rem, 4vw, 2.85rem);
}

.article-content h3 {
  margin: 38px 0 13px;
  font-family: var(--sans);
  font-size: 1.18rem;
  letter-spacing: -0.018em;
  line-height: 1.35;
}

.article-content p,
.article-content li {
  color: #344037;
}

.article-content li + li {
  margin-top: 9px;
}

.article-content a {
  color: var(--accent-dark);
  font-weight: 650;
}

.article-content ul,
.article-content ol {
  padding-left: 1.25em;
}

.article-content blockquote {
  margin: 32px 0;
  padding: 22px 24px;
  border-left: 4px solid var(--accent);
  background: rgba(233, 224, 208, 0.5);
}

.article-content blockquote p:last-child {
  margin-bottom: 0;
}

.article-content table {
  width: 100%;
  margin: 28px 0 36px;
  border-collapse: collapse;
  font-size: 0.86rem;
}

.article-content th,
.article-content td {
  padding: 12px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.article-content th {
  font-size: 0.76rem;
  letter-spacing: 0.02em;
}

.article-aside {
  align-self: start;
  padding-top: 42px;
}

.aside-card {
  position: sticky;
  top: 100px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper-light);
}

.aside-card h2 {
  margin-bottom: 12px;
  font-family: var(--sans);
  font-size: 0.77rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.aside-card p {
  color: var(--muted);
  font-size: 0.8rem;
}

.aside-card .button {
  width: 100%;
  min-height: 43px;
  margin-top: 9px;
  font-size: 0.8rem;
}

.formula {
  overflow-x: auto;
  margin: 26px 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper-light);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.84rem;
  line-height: 1.8;
}

.faq-list {
  margin-top: 52px;
  border-top: 1px solid var(--line);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  position: relative;
  padding: 21px 38px 21px 0;
  font-weight: 720;
  list-style: none;
  cursor: pointer;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  position: absolute;
  top: 19px;
  right: 3px;
  content: "+";
  font-family: var(--mono);
  font-size: 1.2rem;
  font-weight: 400;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list details p {
  padding: 0 30px 20px 0;
}

.machine-preview {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.7fr);
  gap: 48px;
  align-items: center;
  padding-block: 80px;
}

.machine-preview-card {
  padding: 28px;
  border-radius: var(--radius-lg);
  background: var(--paper-light);
  box-shadow: var(--shadow);
}

.machine-preview-card .field-grid {
  gap: 13px;
}

.machine-preview-result {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin-top: 23px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.machine-preview-result strong {
  color: var(--accent-dark);
  font-family: var(--serif);
  font-size: 2.45rem;
  line-height: 1;
}

.machine-preview-result span {
  color: var(--muted);
  font-size: 0.76rem;
}

.checklist {
  display: grid;
  gap: 0;
  margin: 30px 0;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper-light);
  list-style: none;
}

.checklist li {
  position: relative;
  margin: 0;
  padding: 16px 18px 16px 48px;
  border-bottom: 1px solid var(--line);
  color: var(--ink) !important;
}

.checklist li:last-child {
  border-bottom: 0;
}

.checklist li::before {
  position: absolute;
  top: 18px;
  left: 18px;
  color: var(--green);
  content: "✓";
  font-weight: 900;
}

.site-footer {
  padding-block: 54px 28px;
  border-top: 1px solid var(--line);
  background: #eee6d8;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
}

.footer-brand {
  margin-bottom: 15px;
}

.footer-grid p {
  max-width: 380px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(105px, 1fr));
  gap: 8px 28px;
  align-content: start;
  font-size: 0.82rem;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--ink);
  text-decoration: underline;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.66rem;
}

.prose-page {
  max-width: 800px;
  padding-block: 80px 110px;
}

.prose-page h1 {
  font-size: clamp(2.8rem, 7vw, 5rem);
}

.prose-page h2 {
  margin-top: 54px;
  font-size: 2.1rem;
}

.prose-page p,
.prose-page li {
  color: #354138;
}

.not-found {
  display: grid;
  min-height: 75vh;
  place-content: center start;
}

.not-found h1 {
  max-width: 760px;
}

.not-found p {
  max-width: 550px;
  color: var(--muted);
}

.not-found .button {
  width: fit-content;
  margin-top: 16px;
}

.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 50;
  max-width: calc(100vw - 44px);
  padding: 12px 16px;
  border-radius: 10px;
  background: var(--ink);
  color: var(--paper-light);
  box-shadow: var(--shadow);
  font-size: 0.8rem;
  transform: translateY(150%);
  transition: transform 220ms ease;
}

.toast.is-visible {
  transform: none;
}

.noscript-note {
  margin: 0;
  padding: 15px 20px;
  border-top: 1px solid var(--line);
  background: #fff2cf;
  font-size: 0.8rem;
}

@media (max-width: 980px) {
  .main-nav {
    display: none;
  }

  .header-cta {
    margin-left: auto;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-block: 65px;
  }

  .hero-receipt {
    max-width: 520px;
    transform: none;
  }

  .calculator-body {
    grid-template-columns: 1fr;
  }

  .result-panel {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .result-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 26px;
  }

  .result-actions .mini-note {
    grid-column: 1 / -1;
  }

  .article-layout {
    grid-template-columns: 1fr;
  }

  .article-aside {
    display: none;
  }

  .machine-preview {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  :root {
    --shell: min(100% - 28px, 1180px);
  }

  body {
    font-size: 16px;
  }

  .header-inner {
    min-height: 66px;
  }

  .header-cta {
    min-height: 36px;
    padding-inline: 13px;
    font-size: 0.75rem;
  }

  .brand {
    font-size: 0.91rem;
  }

  .brand-mark {
    width: 29px;
    height: 29px;
  }

  .hero {
    padding-block: 48px 58px;
  }

  .hero::before {
    display: none;
  }

  .hero-copy h1 {
    font-size: clamp(2.85rem, 15vw, 4.5rem);
  }

  .hero-actions {
    display: grid;
  }

  .hero-receipt {
    padding: 22px;
  }

  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .trust-item {
    border-bottom: 1px solid var(--line);
  }

  .trust-item:nth-child(3) {
    border-left: 1px solid var(--line);
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .calculator-header {
    align-items: flex-start;
    flex-direction: column;
    padding: 18px;
  }

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

  .calculator-form,
  .result-panel {
    padding: 22px 18px;
  }

  .field-grid,
  .field-grid-three {
    grid-template-columns: 1fr;
  }

  .result-actions {
    grid-template-columns: 1fr;
  }

  .callout {
    grid-template-columns: 42px 1fr;
  }

  .callout .button {
    grid-column: 1 / -1;
  }

  .feature-grid,
  .guide-grid {
    grid-template-columns: 1fr;
  }

  .feature-card {
    min-height: auto;
  }

  .article-layout {
    padding-block: 52px 80px;
  }

  .article-header h1 {
    font-size: clamp(2.5rem, 12vw, 4rem);
  }

  .article-content h2 {
    margin-top: 44px;
  }

  .article-content table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
  }

  .prose-page {
    padding-block: 55px 80px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media print {
  body {
    background: #fff;
    color: #000;
  }

  body::before,
  .site-header,
  .hero,
  .trust-strip,
  .calculator-header,
  .calculator-form,
  .result-actions,
  .site-footer,
  .article-aside,
  .guide-grid,
  .feature-grid,
  .callout,
  .faq-list,
  .article-meta {
    display: none !important;
  }

  main,
  .shell,
  .article-layout,
  .article-content {
    display: block;
    width: 100%;
    max-width: 100%;
    padding: 0;
    margin: 0;
  }

  .calculator-shell {
    border: 0;
    box-shadow: none;
  }

  .calculator-body {
    display: block;
  }

  .result-panel {
    padding: 0;
    border: 0;
    background: #fff;
    color: #000;
  }

  .result-primary,
  .result-secondary,
  .result-kicker,
  .breakdown dt,
  .breakdown dd,
  .result-total-row span,
  .result-total-row strong {
    color: #000;
  }
}