/* ==========================================================================
   Writing JavaScript — folio design system
   Hand written, site specific. Bulma 1.0.4 is the only framework used.
   Prefix: folio  /  custom properties: --fo
   Palette and type inherit the original site footprint (see QA report).
   ========================================================================== */

:root {
  --fo-paper: #fbfaf7;
  --fo-paper-deep: #f4f1ea;
  --fo-surface: #f3f1ec;
  --fo-surface-raised: #ffffff;
  --fo-ink: #3f3d38;
  --fo-ink-soft: #6b6862;
  --fo-ink-faint: #938d82;
  --fo-rule: #e3ded3;
  --fo-rule-strong: #cbc4b5;
  --fo-green: #6f9e57;
  --fo-green-deep: #4d7539;
  --fo-coral: #cf533a;
  --fo-coral-deep: #a63c26;
  --fo-link: #0f7fa6;
  --fo-link-deep: #0a5b76;
  --fo-code-bg: #f1eee6;
  --fo-code-ink: #3a3833;
  --fo-radius: 4px;
  --fo-radius-lg: 9px;
  --fo-shadow: 0 1px 2px rgba(63, 61, 56, 0.05), 0 14px 30px -22px rgba(63, 61, 56, 0.45);
  --fo-wrap: 980px;
  --fo-read: 720px;
  --fo-sans: -apple-system, BlinkMacSystemFont, "avenir next", avenir, helvetica, "helvetica neue", ubuntu, roboto, noto, "segoe ui", arial, sans-serif;
  --fo-mono: Consolas, monaco, "Andale Mono", "Courier New", monospace;
  --fo-serif: "Cormorant Upright", Georgia, "Times New Roman", serif;
}

/* -- Bulma variable customisation ---------------------------------------- */
:root {
  --bulma-body-background-color: var(--fo-paper);
  --bulma-body-color: var(--fo-ink);
  --bulma-body-family: var(--fo-sans);
  --bulma-body-size: 1rem;
  --bulma-body-line-height: 1.75;
  --bulma-family-primary: var(--fo-sans);
  --bulma-family-secondary: var(--fo-sans);
  --bulma-family-code: var(--fo-mono);
  --bulma-text: var(--fo-ink);
  --bulma-text-strong: var(--fo-ink);
  --bulma-title-color: var(--fo-ink);
  --bulma-title-family: var(--fo-sans);
  --bulma-title-weight: 800;
  --bulma-link: var(--fo-link);
  --bulma-link-hover: var(--fo-link-deep);
  --bulma-primary-h: 10;
  --bulma-primary-s: 62%;
  --bulma-primary-l: 52%;
  --bulma-primary: var(--fo-coral);
  --bulma-radius: var(--fo-radius);
  --bulma-radius-small: var(--fo-radius);
  --bulma-radius-medium: var(--fo-radius-lg);
  --bulma-border: var(--fo-rule);
  --bulma-border-weak: var(--fo-rule);
  --bulma-background: var(--fo-surface);
}

/* -- Base ---------------------------------------------------------------- */
html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--fo-sans);
  color: var(--fo-ink);
  background-color: var(--fo-paper);
  font-size: 1rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.folio-skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--fo-ink);
  color: var(--fo-paper);
  padding: 0.6rem 1rem;
  z-index: 200;
  border-radius: 0 0 var(--fo-radius) 0;
}

.folio-skip:focus {
  left: 0;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--fo-sans);
  font-weight: 800;
  letter-spacing: -0.012em;
  line-height: 1.18;
  color: var(--fo-ink);
  margin: 0 0 0.6em;
}

p {
  margin: 0 0 1.15rem;
}

a {
  color: var(--fo-link);
  text-decoration: none;
}

a:hover,
a:focus {
  color: var(--fo-link-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

strong, b {
  font-weight: 700;
}

hr {
  border: 0;
  border-top: 1px solid var(--fo-rule);
  margin: 2.5rem 0;
}

blockquote {
  margin: 1.6rem 0;
  padding: 0.35rem 0 0.35rem 1.25rem;
  border-left: 3px solid var(--fo-green);
  color: var(--fo-ink-soft);
  font-style: italic;
}

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

ul, ol {
  margin: 0 0 1.2rem 1.25rem;
  padding: 0;
}

li {
  margin-bottom: 0.4rem;
}

img {
  max-width: 100%;
  height: auto;
}

:focus-visible {
  outline: 3px solid var(--fo-coral);
  outline-offset: 2px;
  border-radius: 2px;
}

/* -- Code ---------------------------------------------------------------- */
code, kbd, samp {
  font-family: var(--fo-mono);
  font-size: 0.86em;
}

:not(pre) > code {
  background-color: var(--fo-code-bg);
  color: var(--fo-code-ink);
  padding: 0.15em 0.42em;
  border-radius: var(--fo-radius);
  border: 1px solid var(--fo-rule);
}

pre {
  background-color: var(--fo-code-bg);
  color: var(--fo-code-ink);
  border: 1px solid var(--fo-rule);
  border-left: 3px solid var(--fo-rule-strong);
  border-radius: var(--fo-radius);
  padding: 1.1rem 1.25rem;
  overflow-x: auto;
  line-height: 1.6;
  margin: 0 0 1.4rem;
  font-size: 0.88rem;
}

pre code {
  background: none;
  border: 0;
  padding: 0;
  color: inherit;
  font-size: 1em;
}

.folio-code-wrap {
  position: relative;
}

/* -- Layout wrappers ----------------------------------------------------- */
.folio-wrap {
  width: 100%;
  max-width: var(--fo-wrap);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.folio-read {
  max-width: var(--fo-read);
  margin-left: auto;
  margin-right: auto;
}

.folio-section {
  padding: 3.5rem 0;
}

.folio-section--tight {
  padding: 2.25rem 0;
}

.folio-eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--fo-green-deep);
  margin: 0 0 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.folio-eyebrow::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--fo-rule);
  max-width: 120px;
}

/* -- Masthead ------------------------------------------------------------ */
.folio-masthead {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 250, 247, 0.92);
  backdrop-filter: saturate(160%) blur(8px);
  border-top: 3px solid var(--fo-green);
  border-bottom: 1px solid var(--fo-rule);
}

.folio-masthead__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 0;
}

.folio-wordmark {
  font-family: var(--fo-serif);
  font-weight: 400;
  color: var(--fo-green-deep);
  line-height: 0.92;
  font-size: 1.55rem;
  letter-spacing: 0.01em;
  display: inline-flex;
  flex-direction: column;
  text-decoration: none;
}

.folio-wordmark:hover,
.folio-wordmark:focus {
  color: var(--fo-green-deep);
  text-decoration: none;
}

.folio-wordmark__line--indent {
  padding-left: 0.7em;
}

.folio-nav {
  display: flex;
  align-items: center;
}

.folio-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 1.35rem;
}

.folio-nav li {
  margin: 0;
}

.folio-nav a {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--fo-ink-soft);
  text-decoration: none;
  padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.folio-nav a:hover,
.folio-nav a:focus {
  color: var(--fo-ink);
  border-bottom-color: var(--fo-coral);
  text-decoration: none;
}

.folio-nav a[aria-current="page"] {
  color: var(--fo-ink);
  border-bottom-color: var(--fo-green);
}

.folio-nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--fo-rule-strong);
  border-radius: var(--fo-radius);
  padding: 0.4rem 0.7rem;
  color: var(--fo-ink);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
  cursor: pointer;
}

.folio-nav-toggle:hover {
  border-color: var(--fo-ink);
}

/* -- Hero ---------------------------------------------------------------- */
.folio-hero {
  padding: 4.5rem 0 2.5rem;
}

.folio-hero__grid {
  display: block;
}

.folio-hero__aside {
  margin-top: 1.5rem;
}

.folio-hero__statement {
  font-family: var(--fo-serif);
  font-weight: 400;
  font-size: clamp(2.1rem, 5.4vw, 3.9rem);
  line-height: 1.05;
  color: var(--fo-ink);
  margin: 0 0 1.4rem;
  max-width: 20ch;
}

.folio-hero__statement em {
  font-style: normal;
  color: var(--fo-coral);
}

.folio-hero__lede {
  font-size: 1.12rem;
  color: var(--fo-ink-soft);
  max-width: 54ch;
  margin: 0 0 1.6rem;
}

.folio-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.4rem;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fo-ink-faint);
  font-weight: 700;
}

@media (min-width: 880px) {
  .folio-hero__grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3.5rem;
    align-items: end;
  }

  .folio-hero__statement {
    max-width: 16ch;
    margin-bottom: 0;
  }

  .folio-hero__aside {
    margin-top: 0;
    padding-bottom: 0.35rem;
  }
}

/* -- Buttons ------------------------------------------------------------- */
.folio-btn,
.button.folio-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--fo-sans);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1;
  padding: 0.85rem 1.4rem;
  border-radius: var(--fo-radius);
  border: 1px solid var(--fo-coral);
  background-color: var(--fo-coral);
  color: #fff;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.16s ease, border-color 0.16s ease, transform 0.16s ease;
}

.folio-btn:hover,
.folio-btn:focus,
.button.folio-btn:hover,
.button.folio-btn:focus {
  background-color: var(--fo-coral-deep);
  border-color: var(--fo-coral-deep);
  color: #fff;
  text-decoration: none;
  transform: translateY(-1px);
}

.folio-btn--ghost {
  background: transparent;
  color: var(--fo-ink);
  border-color: var(--fo-rule-strong);
}

.folio-btn--ghost:hover,
.folio-btn--ghost:focus {
  background: var(--fo-surface);
  border-color: var(--fo-ink);
  color: var(--fo-ink);
}

.folio-btn--quiet {
  background: transparent;
  border-color: transparent;
  color: var(--fo-link);
  padding-left: 0;
  padding-right: 0;
}

.folio-btn--quiet:hover,
.folio-btn--quiet:focus {
  background: transparent;
  border-color: transparent;
  color: var(--fo-link-deep);
}

/* -- Cards / list items -------------------------------------------------- */
.folio-card {
  background: var(--fo-surface-raised);
  border: 1px solid var(--fo-rule);
  border-radius: var(--fo-radius-lg);
  padding: 1.5rem 1.6rem;
  box-shadow: var(--fo-shadow);
}

.folio-entry {
  position: relative;
  padding: 0.2rem 0 0.2rem 1.15rem;
  border-left: 3px solid var(--fo-rule);
  margin-bottom: 1.75rem;
  transition: border-color 0.18s ease;
}

.folio-entry:hover {
  border-left-color: var(--fo-coral);
}

.folio-entry__meta {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fo-ink-faint);
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.folio-entry__title {
  font-size: 1.32rem;
  margin: 0 0 0.4rem;
  line-height: 1.25;
}

.folio-entry__title a {
  color: var(--fo-ink);
  text-decoration: none;
}

.folio-entry__title a:hover,
.folio-entry__title a:focus {
  color: var(--fo-coral-deep);
  text-decoration: underline;
}

.folio-entry__desc {
  color: var(--fo-ink-soft);
  margin: 0;
}

.folio-grid {
  display: grid;
  gap: 1.4rem;
}

.folio-grid--two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

/* -- Article ------------------------------------------------------------- */
.folio-article {
  padding: 2.5rem 0 1rem;
}

.folio-breadcrumb {
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fo-ink-faint);
  font-weight: 700;
  margin-bottom: 1.4rem;
}

.folio-breadcrumb a {
  color: var(--fo-ink-soft);
}

.folio-breadcrumb span[aria-hidden] {
  margin: 0 0.5rem;
  color: var(--fo-rule-strong);
}

.folio-article__title {
  font-size: clamp(1.9rem, 4.4vw, 3rem);
  margin: 0 0 0.8rem;
  line-height: 1.08;
}

.folio-article__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1.1rem;
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fo-ink-faint);
  font-weight: 700;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--fo-rule);
  margin-bottom: 1.8rem;
}

.folio-content {
  font-size: 1.05rem;
}

.folio-content > h1:first-child {
  font-size: clamp(1.9rem, 4.4vw, 2.9rem);
  line-height: 1.1;
  margin: 0 0 1rem;
}

.folio-content h1 {
  font-size: 2rem;
  margin: 2.6rem 0 0.9rem;
}

.folio-content h2 {
  font-size: 1.6rem;
  margin: 2.6rem 0 0.9rem;
}

.folio-content h3 {
  font-size: 1.24rem;
  margin: 2rem 0 0.7rem;
}

.folio-content h4 {
  font-size: 1.05rem;
  margin: 1.6rem 0 0.6rem;
}

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

.folio-content img {
  border-radius: var(--fo-radius);
  border: 1px solid var(--fo-rule);
}

/* -- Tag chips ----------------------------------------------------------- */
.folio-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  list-style: none;
  margin: 0 0 1.7rem;
  padding: 0;
}

.folio-tags li {
  margin: 0;
}

.folio-tag {
  display: inline-block;
  font-family: var(--fo-mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--fo-ink-soft);
  background: var(--fo-surface);
  border: 1px solid var(--fo-rule);
  border-radius: var(--fo-radius);
  padding: 0.22rem 0.55rem;
  text-decoration: none;
}

.folio-tag:hover,
.folio-tag:focus {
  background: var(--fo-paper-deep);
  color: var(--fo-ink);
  text-decoration: none;
}

/* -- Contributor --------------------------------------------------------- */
.folio-contributor {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--fo-surface);
  border: 1px solid var(--fo-rule);
  border-radius: var(--fo-radius-lg);
  padding: 1.25rem 1.4rem;
  margin: 2.4rem 0;
}

.folio-contributor__monogram {
  flex: 0 0 auto;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--fo-green);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--fo-serif);
  font-size: 1.35rem;
  line-height: 1;
}

.folio-contributor__name {
  font-size: 1rem;
  margin: 0 0 0.15rem;
}

.folio-contributor__bio {
  margin: 0;
  color: var(--fo-ink-soft);
  font-size: 0.95rem;
}

/* -- Newsletter band ----------------------------------------------------- */
.folio-band {
  background: var(--fo-surface);
  border-top: 1px solid var(--fo-rule);
  border-bottom: 1px solid var(--fo-rule);
  padding: 3rem 0;
}

.folio-band__grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 2rem;
  align-items: center;
}

.folio-band h2 {
  font-size: 1.55rem;
  margin: 0 0 0.5rem;
}

.folio-band p {
  color: var(--fo-ink-soft);
  margin: 0;
}

.folio-subscribe {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.folio-subscribe input[type="email"] {
  flex: 1 1 220px;
  min-width: 0;
  font-family: var(--fo-sans);
  font-size: 0.95rem;
  color: var(--fo-ink);
  background: var(--fo-surface-raised);
  border: 1px solid var(--fo-rule-strong);
  border-radius: var(--fo-radius);
  padding: 0.8rem 0.9rem;
  height: auto;
  line-height: 1.4;
}

.folio-subscribe input[type="email"]:focus {
  border-color: var(--fo-link);
  box-shadow: 0 0 0 3px rgba(15, 127, 166, 0.16);
  outline: none;
}

.folio-subscribe .folio-btn {
  flex: 0 0 auto;
}

.folio-subscribe__note {
  flex-basis: 100%;
  font-size: 0.8rem;
  color: var(--fo-ink-faint);
  margin: 0.1rem 0 0;
}

.folio-honey {
  position: absolute;
  left: -5000px;
}

/* -- Colophon (footer) --------------------------------------------------- */
.folio-colophon {
  background: var(--fo-surface);
  border-top: 1px solid var(--fo-rule);
  padding: 3rem 0 2.4rem;
  margin-top: 3rem;
}

.folio-colophon__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem;
}

.folio-colophon__about {
  color: var(--fo-ink-soft);
  font-size: 0.92rem;
  max-width: 34ch;
  margin: 0.9rem 0 0;
}

.folio-colophon h2 {
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fo-ink-faint);
  margin: 0 0 0.9rem;
}

.folio-colophon ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.folio-colophon li {
  margin-bottom: 0.45rem;
}

.folio-colophon ul a {
  color: var(--fo-ink-soft);
  font-size: 0.92rem;
}

.folio-colophon ul a:hover,
.folio-colophon ul a:focus {
  color: var(--fo-ink);
}

.folio-legal {
  border-top: 1px solid var(--fo-rule);
  margin-top: 2.2rem;
  padding-top: 1.3rem;
  font-size: 0.82rem;
  color: var(--fo-ink-faint);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1rem;
}

/* -- Topic page ---------------------------------------------------------- */
.folio-related {
  margin-top: 2.6rem;
}

.folio-related h2 {
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fo-ink-faint);
  margin: 0 0 1rem;
}

.folio-resources {
  list-style: none;
  margin: 0 0 1.4rem;
  padding: 0;
}

.folio-resources li {
  margin-bottom: 0.4rem;
}

/* -- 404 ----------------------------------------------------------------- */
.folio-404 {
  padding: 5rem 0 4rem;
  text-align: left;
}

.folio-404__code {
  font-family: var(--fo-mono);
  font-size: clamp(3rem, 12vw, 7rem);
  font-weight: 700;
  color: var(--fo-coral);
  line-height: 1;
  margin: 0 0 1rem;
}

.folio-404 pre {
  max-width: 44ch;
}

/* -- Reveal animation ---------------------------------------------------- */
.folio-reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.folio-reveal.is-visible {
  opacity: 1;
  transform: none;
}

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

  .folio-reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .folio-btn:hover,
  .folio-btn:focus {
    transform: none;
  }
}

/* -- Responsive ---------------------------------------------------------- */
@media (max-width: 900px) {
  .folio-band__grid {
    grid-template-columns: 1fr;
  }

  .folio-colophon__grid {
    grid-template-columns: 1fr 1fr;
  }

  .folio-colophon__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 720px) {
  .folio-masthead__inner {
    flex-wrap: wrap;
  }

  .folio-nav-toggle {
    display: inline-block;
  }

  .folio-nav {
    display: none;
    width: 100%;
    order: 3;
    border-top: 1px solid var(--fo-rule);
    margin-top: 0.6rem;
    padding-top: 0.5rem;
  }

  .folio-masthead.is-open .folio-nav {
    display: block;
  }

  .folio-nav ul {
    flex-direction: column;
    gap: 0;
  }

  .folio-nav a {
    display: block;
    padding: 0.7rem 0;
    border-bottom: 1px solid var(--fo-rule);
    border-left: 3px solid transparent;
    padding-left: 0.6rem;
  }

  .folio-nav a:hover,
  .folio-nav a:focus,
  .folio-nav a[aria-current="page"] {
    border-bottom-color: var(--fo-rule);
    border-left-color: var(--fo-coral);
  }

  .folio-grid--two {
    grid-template-columns: 1fr;
  }

  .folio-hero {
    padding: 3rem 0 1.5rem;
  }

  .folio-section {
    padding: 2.4rem 0;
  }
}

@media (max-width: 480px) {
  .folio-colophon__grid {
    grid-template-columns: 1fr;
  }

  .folio-article__title {
    font-size: 1.75rem;
  }

  pre {
    font-size: 0.8rem;
    padding: 0.9rem 1rem;
  }
}