:root {
  --paper: #f3f0e8;
  --paper-deep: #e8e2d6;
  --ink: #20231f;
  --muted: #666960;
  --line: #c9c3b7;
  --sage: #5c6856;
  --sage-dark: #3f4a3b;
  --clay: #9b5f46;
  --cream: #faf8f2;
  --white: #fffdf8;
  --success: #315c43;
  --warning: #8a4e2f;
  --max: 1240px;
  --reading: 760px;
  --radius: 2px;
  --shadow: 0 16px 50px rgba(32, 35, 31, 0.12);
  --serif: Georgia, "Times New Roman", Times, serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  background: var(--paper);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

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

img {
  height: auto;
}

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

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

button,
input,
select {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid var(--clay);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 0.7rem 1rem;
  color: var(--white);
  background: var(--ink);
  transform: translateY(-180%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 2rem;
  width: min(calc(100% - 2rem), var(--max));
  min-height: 86px;
  margin: 0 auto;
  border-bottom: 1px solid var(--line);
}

.wordmark {
  font-family: var(--serif);
  font-size: clamp(1.65rem, 2.8vw, 2.25rem);
  line-height: 1;
  letter-spacing: -0.055em;
  text-decoration: none;
}

.wordmark span {
  color: var(--clay);
}

.primary-navigation {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: clamp(1rem, 2.6vw, 2.25rem);
  font-size: 0.82rem;
  font-weight: 650;
  letter-spacing: 0.045em;
}

.primary-navigation a {
  position: relative;
  padding: 0.8rem 0;
  text-decoration: none;
}

.primary-navigation a::after {
  position: absolute;
  right: 0;
  bottom: 0.55rem;
  left: 0;
  height: 1px;
  background: currentColor;
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms ease;
}

.primary-navigation a:hover::after,
.primary-navigation a[aria-current="page"]::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  justify-self: end;
  align-items: center;
  gap: 0.55rem;
  min-height: 44px;
  padding: 0.5rem;
  border: 0;
  color: var(--ink);
  background: transparent;
  cursor: pointer;
}

.nav-toggle-mark,
.nav-toggle-mark::before {
  display: block;
  width: 22px;
  height: 1px;
  background: currentColor;
  content: "";
  transition: transform 160ms ease;
}

.nav-toggle-mark::before {
  transform: translateY(7px);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-mark {
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-mark::before {
  transform: rotate(-90deg);
}

main {
  min-height: 60vh;
}

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

.narrow {
  width: min(calc(100% - 2rem), var(--reading));
  margin-inline: auto;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--clay);
  font-size: 0.74rem;
  font-weight: 750;
  letter-spacing: 0.15em;
  line-height: 1.3;
  text-transform: uppercase;
}

.display-title,
.page-title,
.article-title,
h2,
h3 {
  font-family: var(--serif);
  font-weight: 400;
  text-wrap: balance;
}

.display-title {
  max-width: 12ch;
  margin: 0;
  font-size: clamp(3rem, 6.8vw, 7.2rem);
  line-height: 0.92;
  letter-spacing: -0.065em;
}

.display-title em {
  color: var(--sage);
  font-weight: 400;
}

.page-title,
.article-title {
  margin: 0;
  font-size: clamp(2.7rem, 6vw, 5.8rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.article-title {
  max-width: 16ch;
}

h2 {
  margin: 3.4rem 0 1.15rem;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
}

h3 {
  margin: 2.15rem 0 0.8rem;
  font-size: clamp(1.35rem, 2.4vw, 1.75rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

p,
li {
  text-wrap: pretty;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  gap: clamp(2rem, 5vw, 6rem);
  align-items: center;
  min-height: min(760px, calc(100vh - 120px));
  padding-block: clamp(2.5rem, 5vw, 5.25rem);
}

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

.hero-intro {
  max-width: 54ch;
  margin: 2rem 0;
  color: #454a43;
  font-size: clamp(1.05rem, 1.7vw, 1.3rem);
}

.hero-actions,
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.78rem 1.15rem;
  border: 1px solid var(--ink);
  color: var(--cream);
  background: var(--ink);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.045em;
  text-decoration: none;
  transition: color 160ms ease, background 160ms ease, transform 160ms ease;
}

.button:hover {
  color: var(--ink);
  background: transparent;
  transform: translateY(-2px);
}

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

.button-secondary:hover {
  color: var(--cream);
  background: var(--ink);
}

.hero-figure {
  position: relative;
  margin: 0;
}

.hero-figure::before {
  position: absolute;
  top: -18px;
  right: -18px;
  bottom: 18px;
  left: 18px;
  z-index: -1;
  border: 1px solid var(--clay);
  content: "";
}

.hero-figure img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.hero-figure figcaption {
  margin-top: 0.75rem;
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.45;
}

.section {
  padding-block: clamp(4rem, 9vw, 8rem);
  border-top: 1px solid var(--line);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(180px, 0.32fr) minmax(0, 0.68fr);
  gap: 2rem;
  margin-bottom: 3rem;
}

.section-heading h2 {
  max-width: 16ch;
  margin: 0;
}

.section-heading p {
  max-width: 52ch;
  margin: 0.7rem 0 0;
  color: var(--muted);
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.guide-card {
  display: flex;
  min-height: 390px;
  flex-direction: column;
  padding: clamp(1.4rem, 3vw, 2.4rem);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  transition: color 180ms ease, background 180ms ease;
}

.guide-card:hover {
  color: var(--cream);
  background: var(--sage-dark);
}

.card-number {
  color: var(--clay);
  font-family: var(--serif);
  font-size: 1.1rem;
}

.guide-card h3 {
  margin: auto 0 1rem;
  font-size: clamp(1.65rem, 3vw, 2.5rem);
}

.guide-card p {
  margin: 0 0 1.25rem;
  color: var(--muted);
}

.guide-card:hover p {
  color: #d8ddd3;
}

.card-link {
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.method-step {
  min-height: 265px;
  padding: 2rem;
  background: var(--paper);
}

.method-step strong {
  display: block;
  margin-bottom: 3.5rem;
  color: var(--clay);
  font-family: var(--serif);
  font-size: 2rem;
  font-weight: 400;
}

.method-step h3 {
  margin-top: 0;
}

.method-step p {
  color: var(--muted);
  font-size: 0.92rem;
}

.tool-teaser {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 0.55fr);
  gap: clamp(2rem, 7vw, 7rem);
  align-items: end;
  padding: clamp(3rem, 7vw, 6rem);
  color: var(--cream);
  background: var(--sage-dark);
}

.tool-teaser h2 {
  margin: 0;
}

.tool-teaser p {
  max-width: 48ch;
  color: #d6d9d1;
}

.tool-teaser .button {
  border-color: var(--cream);
  color: var(--ink);
  background: var(--cream);
}

.tool-teaser .button:hover {
  color: var(--cream);
  background: transparent;
}

.page-hero,
.article-hero {
  padding-block: clamp(4rem, 8vw, 8rem);
  border-bottom: 1px solid var(--line);
}

.page-hero-grid,
.article-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.3fr) minmax(0, 0.7fr);
  gap: clamp(2rem, 7vw, 7rem);
}

.page-lede,
.article-standfirst {
  max-width: 65ch;
  margin: 2rem 0 0;
  color: #41463f;
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  line-height: 1.55;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  color: var(--muted);
  font-size: 0.76rem;
  list-style: none;
}

.breadcrumb li:not(:last-child)::after {
  margin-left: 0.45rem;
  content: "/";
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  margin-top: 2.2rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.8rem;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(180px, 0.28fr) minmax(0, 0.72fr);
  gap: clamp(2rem, 7vw, 7rem);
  padding-block: clamp(3.5rem, 7vw, 7rem);
}

.article-aside {
  align-self: start;
}

.article-aside-inner {
  position: sticky;
  top: 1.5rem;
}

.article-aside h2 {
  margin: 0 0 0.8rem;
  font-family: var(--sans);
  font-size: 0.74rem;
  font-weight: 750;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.article-aside ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.article-aside li {
  border-top: 1px solid var(--line);
}

.article-aside a {
  display: block;
  padding: 0.65rem 0;
  color: var(--muted);
  font-size: 0.82rem;
  text-decoration: none;
}

.article-aside a:hover {
  color: var(--clay);
}

.article-body {
  min-width: 0;
  max-width: var(--reading);
}

.article-body > p,
.article-body > ul,
.article-body > ol,
.article-body > blockquote {
  max-width: 68ch;
}

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

.direct-answer,
.method-note,
.warning-note,
.scope-note {
  margin: 2rem 0;
  padding: 1.4rem 1.5rem;
  border-left: 3px solid var(--sage);
  background: var(--cream);
}

.direct-answer strong,
.method-note strong,
.warning-note strong,
.scope-note strong {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.warning-note {
  border-color: var(--clay);
}

.scope-note {
  border-color: var(--ink);
}

.decision-list {
  margin: 1.5rem 0;
  padding: 0;
  counter-reset: decision;
  list-style: none;
}

.decision-list li {
  position: relative;
  padding: 1.25rem 0 1.25rem 4.2rem;
  border-top: 1px solid var(--line);
  counter-increment: decision;
}

.decision-list li::before {
  position: absolute;
  top: 1rem;
  left: 0;
  color: var(--clay);
  font-family: var(--serif);
  font-size: 2rem;
  content: counter(decision, decimal-leading-zero);
}

.table-wrap {
  width: 100%;
  margin: 2rem 0;
  overflow-x: auto;
  border: 1px solid var(--line);
  -webkit-overflow-scrolling: touch;
}

table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  background: var(--cream);
  font-size: 0.88rem;
  line-height: 1.5;
}

caption {
  padding: 1rem;
  color: var(--muted);
  font-size: 0.78rem;
  text-align: left;
}

th,
td {
  padding: 0.9rem 1rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  text-align: left;
}

th {
  color: var(--cream);
  background: var(--sage-dark);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

tr:last-child td {
  border-bottom: 0;
}

th:last-child,
td:last-child {
  border-right: 0;
}

.source-list {
  margin-top: 2rem;
  padding-left: 1.2rem;
}

.source-list li {
  margin-bottom: 0.9rem;
  padding-left: 0.35rem;
  color: var(--muted);
}

.source-list a {
  color: var(--ink);
}

.quality-box {
  margin-top: 3.5rem;
  padding: 1.5rem;
  border: 1px solid var(--line);
  background: var(--paper-deep);
}

.quality-box h2 {
  margin: 0 0 0.75rem;
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 750;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.quality-box p:last-child {
  margin-bottom: 0;
}

.planner-section {
  padding-block: clamp(3rem, 7vw, 7rem);
}

.planner-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

.planner-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  padding: clamp(1.25rem, 4vw, 2.5rem);
  border: 1px solid var(--line);
  background: var(--cream);
}

.field {
  display: grid;
  gap: 0.35rem;
}

.field label {
  font-size: 0.78rem;
  font-weight: 700;
}

.field small {
  color: var(--muted);
  font-size: 0.72rem;
}

.field input {
  width: 100%;
  min-height: 48px;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 0;
  color: var(--ink);
  background: var(--white);
}

.field input:focus {
  border-color: var(--clay);
}

.planner-actions {
  display: flex;
  grid-column: 1 / -1;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding-top: 0.5rem;
}

.planner-actions button {
  cursor: pointer;
}

.planner-result {
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border-top: 6px solid var(--sage);
  background: var(--paper-deep);
}

.planner-result[data-state="hold"],
.planner-result[data-state="error"] {
  border-top-color: var(--clay);
}

.planner-result h2 {
  margin: 0 0 0.8rem;
  font-size: 2rem;
}

.result-status {
  font-size: 1.05rem;
  font-weight: 650;
}

.result-metrics {
  display: grid;
  gap: 1rem;
  margin: 1.5rem 0;
}

.metric {
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.metric span {
  display: block;
  color: var(--muted);
  font-size: 0.75rem;
}

.metric strong {
  font-family: var(--serif);
  font-size: 1.8rem;
  font-weight: 400;
}

.meter {
  --meter-value: 0%;
  width: 100%;
  height: 5px;
  margin-top: 0.45rem;
  background: var(--line);
}

.meter::after {
  display: block;
  width: var(--meter-value);
  height: 100%;
  background: var(--sage);
  content: "";
}

.planner-result[data-state="hold"] .meter::after,
.planner-result[data-state="error"] .meter::after {
  background: var(--clay);
}

.tool-limit {
  color: var(--muted);
  font-size: 0.78rem;
}

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

.trust-card {
  padding: 1.5rem;
  border: 1px solid var(--line);
  background: var(--cream);
}

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

.status-list {
  margin: 1.5rem 0;
  padding: 0;
  list-style: none;
}

.status-list li {
  display: grid;
  grid-template-columns: minmax(120px, 0.28fr) minmax(0, 0.72fr);
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
}

.status-list strong {
  color: var(--clay);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(0, 0.62fr) minmax(280px, 0.38fr);
  gap: 4rem;
  width: min(calc(100% - 2rem), var(--max));
  margin: 0 auto;
  padding-block: clamp(4rem, 8vw, 7rem) 2rem;
  border-top: 1px solid var(--line);
}

.wordmark-footer {
  display: inline-block;
  margin-bottom: 1.5rem;
  font-size: clamp(2.5rem, 6vw, 5rem);
}

.footer-lead p {
  max-width: 50ch;
  color: var(--muted);
}

.footer-status {
  font-size: 0.8rem;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-content: start;
  gap: 0;
  border-top: 1px solid var(--line);
}

.footer-link {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.82rem;
  text-decoration: none;
}

.footer-link:nth-child(odd) {
  padding-right: 1rem;
}

.footer-base {
  display: flex;
  grid-column: 1 / -1;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.72rem;
}

.footer-base p {
  margin: 0;
}

@media (max-width: 980px) {
  .hero,
  .page-hero-grid,
  .article-hero-grid,
  .article-layout,
  .planner-grid,
  .tool-teaser {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 0;
  }

  .hero-figure {
    width: 88%;
    margin-left: auto;
  }

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

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

  .article-aside-inner {
    position: static;
  }

  .article-aside ul {
    display: flex;
    flex-wrap: wrap;
    gap: 0 1rem;
  }

  .article-aside li {
    border: 0;
  }
}

@media (max-width: 760px) {
  .site-header {
    grid-template-columns: auto auto;
    min-height: 74px;
  }

  .js .nav-toggle {
    display: inline-flex;
  }

  .primary-navigation {
    grid-column: 1 / -1;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding-bottom: 1rem;
  }

  .js .primary-navigation {
    display: none;
  }

  .js .primary-navigation.is-open {
    display: flex;
  }

  .primary-navigation a {
    padding: 0.75rem 0;
    border-top: 1px solid var(--line);
  }

  .section-heading,
  .site-footer,
  .status-list li {
    grid-template-columns: 1fr;
  }

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

  .guide-card {
    min-height: 330px;
  }

  .planner-form {
    grid-template-columns: 1fr;
  }

  .field,
  .planner-actions {
    grid-column: 1;
  }

  .hero-figure {
    width: calc(100% - 18px);
  }

  .footer-base {
    display: grid;
  }
}

@media (max-width: 480px) {
  .shell,
  .narrow,
  .site-header,
  .site-footer {
    width: min(calc(100% - 1.2rem), var(--max));
  }

  .display-title {
    font-size: clamp(2.8rem, 16vw, 4.4rem);
  }

  .page-title,
  .article-title {
    font-size: clamp(2.55rem, 14vw, 4rem);
  }

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

  .footer-link:nth-child(odd) {
    padding-right: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media print {
  .site-header,
  .site-footer,
  .article-aside,
  .hero-actions,
  .button-row,
  .planner-actions {
    display: none !important;
  }

  body {
    color: #000;
    background: #fff;
  }

  a {
    text-decoration: underline;
  }

  .article-layout {
    display: block;
  }
}