:root {
  --ink-900: #1e2a24;
  --ink-700: #36453d;
  --ink-500: #607068;
  --ink-300: #93a097;
  --surface-0: #fffdf9;
  --surface-1: #fff6ea;
  --surface-2: #f5ecdf;
  --surface-3: #ebe0d1;
  --brand-700: #72563c;
  --brand-600: #8e6847;
  --brand-500: #c67a2d;
  --brand-400: #e7aa55;
  --accent-600: #2d8f7d;
  --accent-500: #52b7a6;
  --success-600: #2f7d45;
  --warning-600: #9d6621;
  --danger-600: #a6382f;
  --shadow-sm: 0 10px 24px rgba(35, 33, 28, 0.06);
  --shadow-md: 0 18px 46px rgba(35, 33, 28, 0.1);
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-pill: 999px;
  --content-width: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Source Sans 3", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink-900);
  line-height: 1.65;
  background:
    radial-gradient(circle at top left, rgba(231, 170, 85, 0.16), transparent 28%),
    radial-gradient(circle at top right, rgba(82, 183, 166, 0.12), transparent 24%),
    linear-gradient(180deg, #fffdf9 0%, #fff7ef 52%, #fffdf9 100%);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--accent-600);
}

a:hover {
  color: var(--brand-600);
}

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

[hidden] {
  display: none !important;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 2000;
  padding: 0.85rem 1.1rem;
  background: #ffffff;
  color: var(--ink-900);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  text-decoration: none;
  font-weight: 700;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.site-header {
  position: relative;
  overflow: clip;
  color: #fff;
  background:
    radial-gradient(circle at 16% 22%, rgba(255, 218, 165, 0.2), transparent 18%),
    radial-gradient(circle at 84% 14%, rgba(82, 183, 166, 0.28), transparent 18%),
    linear-gradient(135deg, #3a2c21 0%, #6e5139 42%, #8d663f 100%);
}

.site-header::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 18px;
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.12));
  pointer-events: none;
}

.shell {
  width: min(calc(100% - 2rem), var(--content-width));
  margin: 0 auto;
}

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

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  font-family: "DM Serif Display", Georgia, serif;
  font-size: 1.35rem;
  color: #fff7ed;
  text-decoration: none;
  letter-spacing: 0.01em;
}

.site-brand-mark {
  width: 2.5rem;
  height: 2.5rem;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.16);
}

.site-brand-mark span {
  font-size: 1.1rem;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.35rem;
  align-items: center;
}

.site-nav a {
  color: rgba(255, 250, 244, 0.88);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.55rem 0.9rem;
  border-radius: var(--radius-pill);
  transition: background-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a[aria-current="page"] {
  background: rgba(255, 255, 255, 0.14);
  color: #ffffff;
}

.site-nav a:focus-visible,
.button-primary:focus-visible,
.button-secondary:focus-visible,
.button-ghost:focus-visible,
.calculator-button:focus-visible,
.accordion summary:focus-visible,
.field input:focus-visible,
.field select:focus-visible,
.newsletter-form input:focus-visible,
.cookie-banner button:focus-visible {
  outline: 3px solid rgba(255, 255, 255, 0.82);
  outline-offset: 2px;
}

.page-hero {
  position: relative;
  padding: 2.4rem 0 4rem;
}

.page-hero--compact {
  padding-bottom: 3rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.42rem 0.8rem;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.14);
  color: rgba(255, 250, 244, 0.92);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.page-hero h1,
.section-title,
.card-title,
.result-number,
.content-card h1,
.content-card h2,
.content-card h3,
.error-page h1 {
  font-family: "DM Serif Display", Georgia, serif;
  font-weight: 400;
  letter-spacing: -0.01em;
}

.page-hero h1 {
  margin: 1rem 0 0.85rem;
  font-size: clamp(2.4rem, 5vw, 4.3rem);
  line-height: 1.05;
  max-width: 12ch;
}

.page-hero p {
  max-width: 46rem;
  margin: 0;
  font-size: 1.12rem;
  color: rgba(255, 248, 241, 0.9);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.5rem;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.metric-card {
  padding: 1rem 1.1rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
}

.metric-card strong {
  display: block;
  margin-bottom: 0.2rem;
  font-size: 1.35rem;
  color: #fff7e9;
}

.metric-card span {
  color: rgba(255, 248, 241, 0.88);
  font-size: 0.95rem;
}

.button-primary,
.button-secondary,
.button-ghost,
.calculator-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 3rem;
  padding: 0.8rem 1.2rem;
  border-radius: var(--radius-pill);
  border: 0;
  text-decoration: none;
  cursor: pointer;
  font-weight: 700;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease, color 0.18s ease;
}

.button-primary,
.calculator-button {
  background: linear-gradient(135deg, var(--brand-500), var(--brand-400));
  color: #ffffff;
  box-shadow: 0 10px 24px rgba(198, 122, 45, 0.26);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.button-ghost {
  background: transparent;
  color: var(--ink-700);
  border: 1px solid rgba(114, 86, 60, 0.16);
}

.button-primary:hover,
.button-secondary:hover,
.button-ghost:hover,
.calculator-button:hover {
  transform: translateY(-1px);
}

.main-content {
  padding: 2rem 0 4rem;
}

.section {
  margin-bottom: 3rem;
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  line-height: 1.1;
  margin: 0 0 0.8rem;
  color: var(--ink-900);
}

.section-intro {
  max-width: 42rem;
  color: var(--ink-700);
  margin: 0 0 1.4rem;
  font-size: 1.05rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1.2rem;
}

.card,
.content-card,
.calculator-card,
.calculator-panel,
.note-panel,
.faq-panel,
.newsletter-card,
.result-panel,
.notice-panel,
.source-panel,
.error-page-card {
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(114, 86, 60, 0.1);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.calculator-card {
  grid-column: span 4;
  padding: 1.5rem;
  color: inherit;
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.calculator-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(198, 122, 45, 0.22);
}

.calculator-card-icon {
  width: 3rem;
  height: 3rem;
  display: inline-grid;
  place-items: center;
  margin-bottom: 1rem;
  border-radius: 1rem;
  background: linear-gradient(135deg, rgba(231, 170, 85, 0.18), rgba(82, 183, 166, 0.12));
  font-size: 1.45rem;
}

.card-title {
  margin: 0 0 0.45rem;
  font-size: 1.45rem;
  color: var(--ink-900);
}

.calculator-card p,
.card-copy,
.note-panel p,
.content-card p,
.notice-panel p,
.source-panel p,
.newsletter-card p {
  margin: 0;
  color: var(--ink-700);
}

.badge-row,
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.badge,
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.38rem 0.78rem;
  border-radius: var(--radius-pill);
  background: var(--surface-1);
  color: var(--ink-700);
  font-size: 0.84rem;
  font-weight: 700;
}

.badge--warm {
  background: rgba(231, 170, 85, 0.18);
  color: var(--brand-700);
}

.badge--cool {
  background: rgba(82, 183, 166, 0.16);
  color: var(--accent-600);
}

.calculator-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(18rem, 0.9fr);
  gap: 1.25rem;
  align-items: start;
}

.calculator-panel,
.note-panel,
.faq-panel,
.newsletter-card,
.content-card,
.result-panel,
.notice-panel,
.source-panel,
.error-page-card {
  padding: 1.5rem;
}

.calculator-panel h2,
.note-panel h2,
.faq-panel h2,
.newsletter-card h2,
.content-card h2,
.source-panel h2 {
  margin: 0 0 0.7rem;
  color: var(--ink-900);
  font-size: 1.65rem;
}

.calculator-form {
  display: grid;
  gap: 1rem;
}

.field {
  display: grid;
  gap: 0.45rem;
}

.field label,
.fieldset-title {
  font-weight: 700;
  color: var(--ink-900);
}

.field small,
.helper-text,
.legal-meta,
.citation {
  color: var(--ink-500);
}

.field input,
.field select,
.newsletter-form input {
  width: 100%;
  min-height: 3.1rem;
  padding: 0.78rem 0.95rem;
  border-radius: 1rem;
  border: 1px solid rgba(114, 86, 60, 0.18);
  background: #fffefc;
  color: var(--ink-900);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.field input:focus-visible,
.field select:focus-visible,
.newsletter-form input:focus-visible {
  outline: 3px solid rgba(82, 183, 166, 0.24);
  outline-offset: 1px;
  border-color: rgba(82, 183, 166, 0.55);
}

.field-error {
  color: var(--danger-600);
  font-weight: 700;
  min-height: 1.1rem;
}

.inline-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  gap: 0.85rem;
}

.stat-block {
  padding: 1rem;
  border-radius: var(--radius-md);
  background: var(--surface-1);
  border: 1px solid rgba(114, 86, 60, 0.08);
}

.stat-block strong {
  display: block;
  color: var(--ink-900);
  margin-bottom: 0.25rem;
}

.result-panel {
  margin-top: 1rem;
  border: 1px solid rgba(82, 183, 166, 0.22);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 253, 251, 0.98)),
    linear-gradient(135deg, rgba(82, 183, 166, 0.1), rgba(231, 170, 85, 0.08));
}

.result-label {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--accent-600);
}

.result-number {
  margin: 0.35rem 0 0.55rem;
  color: var(--ink-900);
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  line-height: 1;
}

.result-supporting {
  margin: 0;
  color: var(--ink-700);
  font-size: 1rem;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  gap: 0.9rem;
  margin-top: 1rem;
}

.result-tile {
  padding: 1rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(114, 86, 60, 0.1);
}

.result-tile strong {
  display: block;
  margin-bottom: 0.25rem;
}

.list-clean,
.content-card ul {
  padding-left: 1.2rem;
  margin: 0.75rem 0 0;
  color: var(--ink-700);
}

.list-clean li,
.content-card li {
  margin-bottom: 0.45rem;
}

.accordion {
  display: grid;
  gap: 0.9rem;
}

.accordion details {
  padding: 1rem 1.15rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(114, 86, 60, 0.12);
  background: rgba(255, 255, 255, 0.86);
}

.accordion summary {
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  color: var(--ink-900);
}

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

.accordion details[open] {
  box-shadow: var(--shadow-sm);
}

.faq-answer {
  margin-top: 0.75rem;
  color: var(--ink-700);
}

.citation {
  display: block;
  margin-top: 0.7rem;
  font-size: 0.92rem;
}

.citation a {
  font-weight: 600;
}

.source-list {
  display: grid;
  gap: 0.7rem;
}

.source-item {
  padding: 0.95rem 1rem;
  border-radius: var(--radius-md);
  background: var(--surface-1);
  border: 1px solid rgba(114, 86, 60, 0.08);
}

.source-item strong {
  display: block;
  margin-bottom: 0.2rem;
}

.newsletter-card {
  position: relative;
  overflow: clip;
  background:
    radial-gradient(circle at top right, rgba(231, 170, 85, 0.22), transparent 26%),
    linear-gradient(135deg, #2c3d36 0%, #42564d 52%, #6a533b 100%);
  color: #fff9f1;
}

.newsletter-card h2,
.newsletter-card p,
.newsletter-card .helper-text {
  color: inherit;
}

.newsletter-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.1rem;
}

.newsletter-form input {
  flex: 1 1 16rem;
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.22);
}

.newsletter-form input::placeholder {
  color: rgba(255, 255, 255, 0.68);
}

.newsletter-form .button-primary {
  flex: 0 0 auto;
}

.newsletter-success {
  margin-top: 0.9rem;
  font-weight: 700;
  color: #fff3c9;
}

.breadcrumb {
  padding: 1rem 0 0;
  font-size: 0.92rem;
  color: var(--ink-500);
}

.breadcrumb a {
  text-decoration: none;
}

.breadcrumb span {
  margin: 0 0.4rem;
}

.content-card {
  margin-bottom: 1.25rem;
}

.content-card h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.08;
}

.content-card h2 {
  margin-top: 1.7rem;
}

.content-card h3 {
  margin: 1.2rem 0 0.55rem;
  font-size: 1.25rem;
}

.content-card p {
  margin: 0.8rem 0 0;
}

.legal-meta {
  font-size: 0.95rem;
  margin-top: 0;
}

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

.notice-panel {
  border-left: 4px solid var(--brand-400);
}

.site-footer {
  padding: 2.6rem 0;
  color: rgba(255, 251, 246, 0.84);
  background: linear-gradient(180deg, #2a231d 0%, #1f1a16 100%);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.8fr) minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
}

.site-footer a {
  color: #ffe6c1;
  text-decoration: none;
}

.site-footer a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1rem;
  justify-content: flex-end;
}

.footer-note {
  margin: 0;
}

.error-page {
  padding: 3rem 0 4rem;
}

.error-page-card {
  text-align: center;
  max-width: 44rem;
  margin: 0 auto;
}

.error-code {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 0.8rem;
  padding: 0.38rem 0.75rem;
  border-radius: var(--radius-pill);
  background: var(--surface-1);
  color: var(--brand-700);
  font-weight: 700;
}

.site-callout {
  display: grid;
  gap: 0.85rem;
}

.page-divider {
  height: 1px;
  margin: 1.5rem 0;
  background: linear-gradient(90deg, transparent, rgba(114, 86, 60, 0.22), transparent);
  border: 0;
}

.cookie-banner {
  position: fixed;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  z-index: 3000;
  max-width: 64rem;
  margin: 0 auto;
  padding: 1rem 1.1rem;
  border-radius: 1.25rem;
  border: 1px solid rgba(114, 86, 60, 0.12);
  background: rgba(31, 26, 22, 0.94);
  color: #fffaf4;
  box-shadow: var(--shadow-md);
}

.cookie-banner p {
  margin: 0;
  color: rgba(255, 250, 244, 0.9);
}

.cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 0.8rem;
}

.cookie-banner button {
  min-height: 2.75rem;
  padding: 0.7rem 1rem;
  border-radius: var(--radius-pill);
  border: 0;
  font-weight: 700;
  cursor: pointer;
}

.cookie-banner .cookie-accept {
  background: linear-gradient(135deg, var(--brand-500), var(--brand-400));
  color: #ffffff;
}

.cookie-banner .cookie-reject {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
}

.cookie-banner .cookie-settings {
  background: transparent;
  color: #ffe6c1;
  border: 1px solid rgba(255, 255, 255, 0.18);
}

@media (max-width: 980px) {
  .calculator-card {
    grid-column: span 6;
  }

  .calculator-layout,
  .footer-grid,
  .two-up {
    grid-template-columns: 1fr;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@media (max-width: 720px) {
  .header-bar {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .page-hero {
    padding-top: 1.8rem;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }

  .calculator-card {
    grid-column: span 12;
  }

  .newsletter-form {
    flex-direction: column;
  }

  .newsletter-form .button-primary {
    width: 100%;
  }
}

@media (max-width: 560px) {
  .shell {
    width: min(calc(100% - 1.25rem), var(--content-width));
  }

  .page-hero h1 {
    max-width: none;
  }

  .calculator-panel,
  .note-panel,
  .faq-panel,
  .newsletter-card,
  .content-card,
  .result-panel,
  .notice-panel,
  .source-panel,
  .error-page-card {
    padding: 1.15rem;
  }

  .site-nav a {
    padding-inline: 0.75rem;
  }

  .cookie-banner {
    left: 0.65rem;
    right: 0.65rem;
    bottom: 0.65rem;
  }
}