/* ============================================================
   Small Boat Wrench - service manual skin
   Light technical world: white paper, navy ink, one orange rope line
   ============================================================ */

:root {
  --sf-color-primary: #16385C;
  --sf-color-primary-dark: #0F2A47;
  --sf-color-accent: #EE5622;
  --sf-color-text: #1F2933;
  --sf-color-muted: #52606D;
  --sf-color-background: #FFFFFF;
  --sf-color-surface-tint: #F2F4F6;
  --sf-color-surface-dark: #10293F;
  --sf-color-on-dark: #F2F5F8;
  --sf-color-on-dark-muted: #B9C7D6;
  --sf-color-line: #D5DBE1;
  --sf-color-safety: #FFF1EA;
  --sf-font-base: 'Source Sans 3', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --sf-font-heading: 'Inter', 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;
  --sf-radius: 5px;
  --sf-space-sm: 0.75rem;
  --sf-space-md: 1.5rem;
  --sf-space-lg: 3rem;
  --sf-space-xl: 5rem;
  --sf-maxwidth: 1120px;
  --sf-shadow-sm: 0 1px 2px rgba(16, 41, 63, 0.07);
  --sf-shadow-md: 0 2px 6px rgba(16, 41, 63, 0.09);
  --sf-logo-height: 44px;
  --sf-logo-height-scrolled: 36px;
  --sf-header-pad: 16px;
}

/* ---------- Base typography ---------- */

body {
  background: var(--sf-color-background);
  color: var(--sf-color-text);
  font-family: var(--sf-font-base);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--sf-font-heading);
  color: var(--sf-color-primary);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

h2 { font-size: clamp(1.75rem, 3.4vw, 2.5rem); letter-spacing: -0.025em; }
h3 { font-size: 1.3rem; font-weight: 700; letter-spacing: -0.015em; }
h4 { font-size: 1.1rem; font-weight: 700; }

p { margin: 0 0 1.1em; }

a {
  color: var(--sf-color-primary);
  text-decoration-color: rgba(22, 56, 92, 0.35);
  text-underline-offset: 3px;
  transition: color 0.15s ease, text-decoration-color 0.15s ease;
}
a:hover { color: var(--sf-color-primary-dark); text-decoration-color: var(--sf-color-accent); }

strong { color: var(--sf-color-primary-dark); }

::selection { background: var(--sf-color-primary); color: #FFFFFF; }

:focus-visible {
  outline: 2px solid var(--sf-color-accent);
  outline-offset: 2px;
  border-radius: 2px;
}

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

/* ---------- Header: one compact row, full bleed, constrained inner ---------- */

.site-header, #masthead {
  display: flex;
  flex-wrap: nowrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  background: var(--sf-color-background);
  border-bottom: 1px solid var(--sf-color-line);
  min-height: 60px;
  padding-top: 8px;
  padding-bottom: 8px;
  padding-left: max(var(--sf-header-pad), calc((100% - var(--sf-maxwidth)) / 2));
  padding-right: max(var(--sf-header-pad), calc((100% - var(--sf-maxwidth)) / 2));
}

.site-header .site-branding, #masthead .site-branding {
  padding: 0;
  margin: 0;
  flex: 0 1 auto;
  min-width: 0;
}

.site-header .main-navigation, #masthead .main-navigation,
.site-header nav, #masthead nav {
  margin-left: auto;
  flex: 0 1 auto;
}

.site-header ul, #masthead ul {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 2px;
}

.site-header a, #masthead a {
  color: var(--sf-color-primary);
  font-family: var(--sf-font-heading);
  font-weight: 600;
  font-size: 0.9375rem;
  letter-spacing: 0.01em;
  text-decoration: none;
  padding: 10px 12px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}

.site-header li a:hover, #masthead li a:hover {
  color: var(--sf-color-primary-dark);
  text-decoration: underline;
  text-decoration-color: var(--sf-color-accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 6px;
}

html.sf-scrolled .site-header, html.sf-scrolled #masthead {
  background: rgba(255, 255, 255, 0.97);
  border-bottom-color: var(--sf-color-line);
  box-shadow: var(--sf-shadow-sm);
  padding-top: 4px;
  padding-bottom: 4px;
  min-height: 52px;
}

@media (min-width: 1024px) {
  .site-header, #masthead { min-height: 72px; }
  html.sf-scrolled .site-header, html.sf-scrolled #masthead { min-height: 60px; }
}

/* ---------- Reading progress strip ---------- */

.sf-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: rgba(22, 56, 92, 0.08);
  z-index: 100;
}
.sf-progress__bar {
  height: 3px;
  background: var(--sf-color-accent);
}

/* ---------- Buttons ---------- */

.wp-block-button__link, .wp-element-button {
  background: var(--sf-color-primary);
  color: #FFFFFF;
  font-family: var(--sf-font-heading);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.01em;
  border: 1px solid var(--sf-color-primary);
  border-radius: var(--sf-radius);
  padding: 12px 26px;
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

.wp-block-button__link:hover, .wp-element-button:hover {
  background: var(--sf-color-primary-dark);
  border-color: var(--sf-color-primary-dark);
  color: #FFFFFF;
  transform: translateY(-1px);
}

.wp-block-button__link:active, .wp-element-button:active { transform: translateY(0); }

/* ---------- Sections and the rope-line motif ---------- */

.sf-section {
  background: var(--sf-color-background);
  padding-top: var(--sf-space-xl);
  padding-bottom: var(--sf-space-xl);
}

.sf-section + .sf-section {
  border-top: 2px dashed rgba(238, 86, 34, 0.5);
}

.sf-section--tint { background: var(--sf-color-surface-tint); }

.sf-section--dark {
  background: linear-gradient(180deg, #14324F 0%, #0F2A44 100%);
  color: var(--sf-color-on-dark);
}
.sf-section--dark h1, .sf-section--dark h2, .sf-section--dark h3, .sf-section--dark h4 {
  color: var(--sf-color-on-dark);
}
.sf-section--dark p, .sf-section--dark li { color: var(--sf-color-on-dark-muted); }
.sf-section--dark a { color: #FFFFFF; text-decoration-color: rgba(255, 255, 255, 0.4); }
.sf-section--dark a:hover { text-decoration-color: var(--sf-color-accent); }

.sf-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--sf-font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--sf-color-primary);
  margin: 0 0 0.9rem;
}
.sf-eyebrow::before {
  content: "";
  width: 20px;
  height: 2px;
  background: var(--sf-color-accent);
  flex: none;
}
.sf-section--dark .sf-eyebrow { color: var(--sf-color-on-dark); }

/* Short accent rule under section H2s */
.sf-section h2::after {
  content: "";
  display: block;
  width: 56px;
  height: 3px;
  background: var(--sf-color-accent);
  margin-top: 14px;
  border-radius: 2px;
}

/* ---------- Scroll reveal (with no-JS fallback) ---------- */

.sf-animate {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.sf-animate.sf-visible { opacity: 1; transform: none; }

html:not(.js) .sf-animate,
html:not(.js) .sf-animate * {
  opacity: 1;
  transform: none;
}

/* ---------- Hero (split) ---------- */

.sf-hero {
  background: var(--sf-color-background);
  padding-top: var(--sf-space-lg);
  padding-bottom: var(--sf-space-lg);
}

.sf-hero--split { align-items: center; }

.sf-hero__content {
  text-align: left;
  align-self: center;
}

.sf-hero__media {
  margin-top: var(--sf-space-lg);
  align-self: center;
}

.sf-hero__heading {
  font-size: clamp(2.4rem, 5.4vw, 3.9rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.05;
  color: var(--sf-color-primary);
  margin: 0 0 1.1rem;
}

.sf-hero__tagline {
  font-size: clamp(1.125rem, 2vw, 1.3rem);
  line-height: 1.55;
  color: var(--sf-color-muted);
  max-width: 34rem;
  margin-bottom: 1.6rem;
}

/* CTA row under the tagline */
.sf-hero .wp-block-buttons,
.sf-hero__content .wp-block-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: flex-start;
}

.sf-hero__media img, .sf-hero--split .sf-hero__media img {
  border: 1px solid var(--sf-color-line);
  border-radius: 6px;
  box-shadow: var(--sf-shadow-md);
}

/* Hero overlay variant (kept honest if used) */
.sf-hero--overlay .sf-hero__heading { color: #FFFFFF; }
.sf-hero--overlay .sf-hero__tagline { color: rgba(255, 255, 255, 0.88); }

/* ---------- Feature grid: plain text brand cards ---------- */

.sf-feature-grid { gap: 20px; }

.sf-feature-card {
  background: #FFFFFF;
  border: 1px solid var(--sf-color-line);
  border-radius: 6px;
  padding: 1.5rem 1.4rem 1.4rem;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.sf-feature-card:hover {
  border-color: var(--sf-color-primary);
  transform: translateY(-2px);
}
.sf-feature-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
}
.sf-feature-card h3::before {
  content: "";
  display: block;
  width: 24px;
  height: 3px;
  background: var(--sf-color-accent);
  margin-bottom: 12px;
  border-radius: 2px;
}
.sf-feature-card p { color: var(--sf-color-muted); font-size: 0.98rem; margin: 0; }
.sf-section--tint .sf-feature-card { background: #FFFFFF; }

/* ---------- Media and text ---------- */

.sf-media-text { gap: var(--sf-space-lg); align-items: center; }
.sf-media-text__media img {
  border: 1px solid var(--sf-color-line);
  border-radius: 6px;
}
.sf-media-text__content h2 { margin-top: 0; }
.sf-media-text__content p { color: var(--sf-color-muted); }

/* ---------- Stats ---------- */

.sf-stats__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  background: var(--sf-color-line);
  border: 1px solid var(--sf-color-line);
  border-radius: 6px;
  overflow: hidden;
}
.sf-stats__item {
  background: #FFFFFF;
  padding: 1.6rem 1.2rem;
}
.sf-stats__value {
  display: block;
  font-family: var(--sf-font-heading);
  font-size: clamp(2rem, 3.6vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--sf-color-primary);
  line-height: 1.1;
}
.sf-stats__value::after {
  content: "";
  display: block;
  width: 22px;
  height: 3px;
  background: var(--sf-color-accent);
  margin-top: 10px;
  border-radius: 2px;
}
.sf-stats__label {
  display: block;
  margin-top: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sf-color-muted);
}
.sf-section--dark .sf-stats__item { background: rgba(255, 255, 255, 0.05); }
.sf-section--dark .sf-stats__value { color: #FFFFFF; }
.sf-section--dark .sf-stats__label { color: var(--sf-color-on-dark-muted); }
.sf-section--dark .sf-stats__grid { background: rgba(255, 255, 255, 0.16); border-color: rgba(255, 255, 255, 0.16); }

/* ---------- Steps: navy number badges in flow ---------- */

.sf-steps { counter-reset: sf-step; }

.sf-steps__item {
  padding: 1.4rem 0 1.4rem;
  border-top: 1px solid var(--sf-color-line);
}
.sf-steps__item:first-child { border-top: 0; }

.sf-steps__item::before {
  counter-increment: sf-step;
  content: counter(sf-step, decimal-leading-zero);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 14px;
  background: var(--sf-color-primary);
  color: #FFFFFF;
  font-family: var(--sf-font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  font-variant-numeric: tabular-nums;
  border-radius: var(--sf-radius);
}
.sf-steps__item h3 { margin: 0 0 0.45rem; }
.sf-steps__item p { color: var(--sf-color-muted); margin: 0; }

/* ---------- Tabs ---------- */

.sf-tabs__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  border-bottom: 1px solid var(--sf-color-line);
  margin-bottom: var(--sf-space-md);
}
.sf-tabs__link {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 10px 18px;
  font-family: var(--sf-font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--sf-color-muted);
  text-decoration: none;
  border: 1px solid transparent;
  border-bottom: 0;
  border-radius: var(--sf-radius) var(--sf-radius) 0 0;
  box-shadow: inset 0 -2px 0 transparent;
  transition: color 0.15s ease, box-shadow 0.15s ease;
}
.sf-tabs__link:hover { color: var(--sf-color-primary); }
.sf-tabs__link--active {
  color: var(--sf-color-primary);
  box-shadow: inset 0 -3px 0 var(--sf-color-accent);
  background: #FFFFFF;
}
.sf-tabs__panel { padding: var(--sf-space-sm) 0; }

/* ---------- Marquee ---------- */

.sf-marquee {
  border-top: 1px solid var(--sf-color-line);
  border-bottom: 1px solid var(--sf-color-line);
  padding: 14px 0;
  overflow: hidden;
}
.sf-marquee__item {
  display: inline-flex;
  align-items: center;
  font-family: var(--sf-font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sf-color-muted);
  white-space: nowrap;
}
.sf-marquee__item::before {
  content: "";
  width: 7px;
  height: 7px;
  background: var(--sf-color-accent);
  border-radius: 1px;
  margin: 0 18px;
  flex: none;
}

/* ---------- FAQ accordion ---------- */

.sf-faq-item {
  border: 1px solid var(--sf-color-line);
  border-radius: 6px;
  background: #FFFFFF;
  margin-bottom: 10px;
  overflow: hidden;
}
.sf-faq-item[open] { border-color: var(--sf-color-primary); }
.sf-faq-item summary {
  cursor: pointer;
  padding: 16px 20px;
  min-height: 48px;
  display: flex;
  align-items: center;
  font-family: var(--sf-font-heading);
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--sf-color-primary);
  list-style: none;
}
.sf-faq-item summary::-webkit-details-marker { display: none; }
.sf-faq-item summary::after { color: var(--sf-color-accent); font-weight: 700; margin-left: auto; }
.sf-faq-item summary:hover { background: var(--sf-color-surface-tint); }
.sf-faq-item > *:not(summary) { padding: 0 20px 18px; color: var(--sf-color-muted); }

/* ---------- Closing CTA ---------- */

.sf-cta {
  background: linear-gradient(180deg, #14324F 0%, #0F2A44 100%);
  border-top: 4px solid var(--sf-color-accent);
  border-radius: 6px;
  padding: var(--sf-space-xl) var(--sf-space-lg);
  text-align: center;
}
.sf-cta h2 { color: #FFFFFF; margin-top: 0; }
.sf-cta h2::after { margin-left: auto; margin-right: auto; }
.sf-cta p { color: var(--sf-color-on-dark-muted); max-width: 36rem; margin-left: auto; margin-right: auto; }
.sf-cta .wp-block-button__link, .sf-cta .wp-element-button {
  background: #FFFFFF;
  border-color: #FFFFFF;
  color: var(--sf-color-primary);
}
.sf-cta .wp-block-button__link:hover, .sf-cta .wp-element-button:hover {
  background: var(--sf-color-surface-tint);
  border-color: var(--sf-color-surface-tint);
  color: var(--sf-color-primary-dark);
}

/* ---------- Article: intro, TOC, at a glance ---------- */

.sf-intro {
  font-size: 1.2rem;
  line-height: 1.6;
  color: var(--sf-color-text);
  max-width: 46rem;
}

.sf-toc {
  background: var(--sf-color-surface-tint);
  border: 1px solid var(--sf-color-line);
  border-radius: 6px;
  padding: 1.4rem 1.6rem;
  max-width: 46rem;
}
.sf-toc a {
  display: block;
  padding: 7px 0 7px 16px;
  min-height: 32px;
  color: var(--sf-color-text);
  text-decoration: none;
  border-left: 3px solid transparent;
  font-size: 0.97rem;
}
.sf-toc a:hover { color: var(--sf-color-primary); text-decoration: underline; text-decoration-color: var(--sf-color-accent); }
.sf-toc__link--active {
  color: var(--sf-color-primary);
  font-weight: 700;
  border-left-color: var(--sf-color-accent);
}

/* At a glance box */
.sf-key-takeaways {
  background: var(--sf-color-surface-tint);
  border-left: 4px solid var(--sf-color-primary);
  border-radius: 0 6px 6px 0;
  padding: 1.4rem 1.6rem;
  max-width: 46rem;
}
.sf-key-takeaways h2, .sf-key-takeaways h3 { margin-top: 0; font-size: 1.15rem; }
.sf-key-takeaways h2::after, .sf-key-takeaways h3::after { content: none; }
.sf-key-takeaways li { margin-bottom: 0.5em; }

/* Safety callout */
.sf-safety, .is-style-sf-safety, .sf-callout--safety {
  background: var(--sf-color-safety);
  border-left: 4px solid var(--sf-color-accent);
  border-radius: 0 6px 6px 0;
  padding: 1.3rem 1.6rem;
  max-width: 46rem;
}

/* ---------- Stat cards and statistic grids ---------- */

.sf-stat-card {
  background: #FFFFFF;
  border: 1px solid var(--sf-color-line);
  border-radius: 6px;
  padding: 1.5rem;
}
.sf-stat-card__value {
  font-family: var(--sf-font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: var(--sf-color-primary);
}
.sf-stat-card__source { font-size: 0.85rem; color: var(--sf-color-muted); }

.sf-statistic-grid__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 1px;
  background: var(--sf-color-line);
  border: 1px solid var(--sf-color-line);
  border-radius: 6px;
  overflow: hidden;
}
.sf-statistic-grid__item { background: #FFFFFF; padding: 1.4rem 1.2rem; }
.sf-statistic-grid__value {
  display: block;
  font-family: var(--sf-font-heading);
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--sf-color-primary);
}
.sf-statistic-grid__label { display: block; margin-top: 6px; font-weight: 600; }
.sf-statistic-grid__source { display: block; margin-top: 4px; font-size: 0.82rem; color: var(--sf-color-muted); }

/* ---------- Pros and cons ---------- */

.sf-pros-cons {
  display: grid;
  gap: 20px;
}
.sf-pros-cons > * {
  background: #FFFFFF;
  border: 1px solid var(--sf-color-line);
  border-radius: 6px;
  padding: 1.4rem 1.5rem;
}
.sf-pros-cons h3, .sf-pros-cons h4 {
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-top: 0;
}

/* ---------- Sources ---------- */

.sf-sources {
  border-top: 1px solid var(--sf-color-line);
  padding-top: 1.2rem;
  font-size: 0.9rem;
  color: var(--sf-color-muted);
}
.sf-sources li { margin-bottom: 0.4em; }

/* ---------- Charts ---------- */

.sf-chart-block {
  background: #FFFFFF;
  border: 1px solid var(--sf-color-line);
  border-radius: 6px;
  padding: 1.5rem;
  margin: 2rem 0;
}
.sf-chart-block h2, .sf-chart-block h3 {
  font-size: 1.15rem;
  margin: 0 0 1.2rem;
}
.sf-chart-block h2::after { content: none; }
.sf-chart__source { font-size: 0.82rem; color: var(--sf-color-muted); margin-top: 1rem; }

/* Bar chart: colour and height only, never width */
.sf-chart__row { margin-bottom: 12px; }
.sf-chart__label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--sf-color-text);
}
.sf-chart__track {
  background: #E7ECF1;
  border-radius: 3px;
}
.sf-chart__bar {
  background: var(--sf-color-primary);
  height: 14px;
  border-radius: 3px;
}
.sf-chart__value {
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  color: var(--sf-color-primary);
  font-size: 0.92rem;
}

/* Line chart: colour and thickness only */
.sf-chart__plot {
  background: var(--sf-color-surface-tint);
  border: 1px solid var(--sf-color-line);
  border-radius: 6px;
}
.sf-chart__point {
  background: var(--sf-color-accent);
  border: 2px solid #FFFFFF;
  border-radius: 50%;
}
.sf-chart__segment { background: var(--sf-color-primary); }
.sf-chart__axis { color: var(--sf-color-muted); }
.sf-chart__tick { font-size: 0.78rem; font-variant-numeric: tabular-nums; }

/* ---------- Spec tables ---------- */

.sf-chart-block table, .wp-block-table table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  font-variant-numeric: tabular-nums;
}
.sf-chart-block th, .wp-block-table th {
  background: var(--sf-color-primary);
  color: #FFFFFF;
  font-family: var(--sf-font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-align: left;
  padding: 11px 14px;
  border: 1px solid var(--sf-color-primary);
}
.sf-chart-block td, .wp-block-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--sf-color-line);
  color: var(--sf-color-text);
}
.sf-chart-block tbody tr:nth-child(even) td,
.wp-block-table tbody tr:nth-child(even) td { background: var(--sf-color-surface-tint); }

/* ---------- Timeline ---------- */

.sf-timeline ol { list-style: none; padding: 0; margin: 0; }
.sf-timeline li {
  position: relative;
  padding: 0 0 1.6rem 2rem;
  border-left: 1px solid var(--sf-color-line);
}
.sf-timeline li::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 6px;
  width: 11px;
  height: 11px;
  background: var(--sf-color-accent);
  border-radius: 2px;
}
.sf-timeline li:last-child { border-left-color: transparent; }
.sf-timeline__date {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sf-color-muted);
}
.sf-timeline__title { font-family: var(--sf-font-heading); font-weight: 700; color: var(--sf-color-primary); margin: 2px 0; }
.sf-timeline__text { color: var(--sf-color-muted); font-size: 0.97rem; }

/* ---------- Methodology ---------- */

.sf-methodology {
  border-top: 1px solid var(--sf-color-line);
  padding-top: 1.4rem;
  font-size: 0.95rem;
  color: var(--sf-color-muted);
}
.sf-methodology h2 { font-size: 1.05rem; }
.sf-methodology h2::after { content: none; }
.sf-methodology__details { margin-top: 1rem; }
.sf-methodology__details dt { font-weight: 700; color: var(--sf-color-primary); margin-top: 0.7em; }
.sf-methodology__details dd { margin: 0 0 0.3em; }

/* ---------- Related guides ---------- */

.sf-related ul { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--sf-color-line); }
.sf-related li { border-bottom: 1px solid var(--sf-color-line); }
.sf-related__link {
  display: block;
  padding: 14px 4px;
  min-height: 44px;
  font-family: var(--sf-font-heading);
  font-weight: 600;
  color: var(--sf-color-primary);
  text-decoration: none;
}
.sf-related__link:hover { text-decoration: underline; text-decoration-color: var(--sf-color-accent); text-underline-offset: 4px; }
.sf-related__description { display: block; font-family: var(--sf-font-base); font-weight: 400; font-size: 0.92rem; color: var(--sf-color-muted); margin-top: 2px; }

/* ---------- Affiliate and newsletter CTAs ---------- */

.sf-affiliate-cta, .sf-newsletter-cta {
  background: var(--sf-color-surface-tint);
  border: 1px solid var(--sf-color-line);
  border-top: 4px solid var(--sf-color-primary);
  border-radius: 6px;
  padding: 1.8rem 1.8rem 1.5rem;
  margin: 2.2rem 0;
}
.sf-affiliate-cta h2, .sf-newsletter-cta h2 { margin-top: 0; font-size: 1.45rem; }
.sf-affiliate-cta h2::after, .sf-newsletter-cta h2::after { content: none; }
.sf-affiliate-cta__disclosure {
  display: block;
  margin-top: 1.1rem;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--sf-color-muted);
}
.sf-newsletter-cta__note { font-size: 0.88rem; color: var(--sf-color-muted); margin-top: 0.8rem; }

/* ---------- Calculator ---------- */

.sf-calculator {
  background: #FFFFFF;
  border: 1px solid var(--sf-color-line);
  border-radius: 6px;
  padding: 1.8rem;
  margin: 2rem 0;
}
.sf-calculator__title { margin-top: 0; font-size: 1.35rem; }
.sf-calculator__intro { color: var(--sf-color-muted); }
.sf-calculator__fields {
  display: grid;
  gap: 16px;
  margin: 1.2rem 0;
}
.sf-calculator__label {
  display: block;
  font-family: var(--sf-font-heading);
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--sf-color-primary);
  margin-bottom: 6px;
}
.sf-calculator__unit { font-weight: 400; color: var(--sf-color-muted); }
.sf-calculator__input {
  width: 100%;
  min-height: 48px;
  padding: 10px 14px;
  font-family: var(--sf-font-base);
  font-size: 1rem;
  font-variant-numeric: tabular-nums;
  color: var(--sf-color-text);
  background: #FFFFFF;
  border: 1px solid #B7C0C9;
  border-radius: var(--sf-radius);
}
.sf-calculator__input:hover { border-color: var(--sf-color-primary); }
.sf-calculator__input:focus {
  border-color: var(--sf-color-primary);
  outline: 2px solid var(--sf-color-accent);
  outline-offset: 1px;
}
.sf-calculator__result {
  background: var(--sf-color-surface-tint);
  border-left: 4px solid var(--sf-color-accent);
  border-radius: 0 6px 6px 0;
  padding: 1.1rem 1.3rem;
}
.sf-calculator__result-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sf-color-muted);
}
.sf-calculator__value {
  font-family: var(--sf-font-heading);
  font-size: 2rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: var(--sf-color-primary);
}
.sf-calculator__result-unit { color: var(--sf-color-muted); font-weight: 600; }

/* ---------- Contact block ---------- */

.sf-contact-info p { margin-bottom: 0.5em; }
.sf-contact__org {
  font-family: var(--sf-font-heading);
  font-weight: 700;
  color: var(--sf-color-primary);
  font-size: 1.1rem;
}
.sf-contact__email, .sf-contact__phone { font-variant-numeric: tabular-nums; }

/* ---------- Generic figures ---------- */

figure.wp-block-image img { border-radius: 6px; }
figure.wp-block-image figcaption {
  font-size: 0.85rem;
  color: var(--sf-color-muted);
  padding-top: 8px;
  border-left: 3px solid var(--sf-color-accent);
  padding-left: 10px;
  margin-top: 8px;
}

/* ---------- Footer ---------- */

.sf-footer, .site-footer.sf-footer {
  background: var(--sf-color-surface-dark);
  color: var(--sf-color-on-dark-muted);
  margin-top: 0;
}
.sf-footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.2rem;
  padding: var(--sf-space-xl) 0 var(--sf-space-lg);
}
.sf-footer__title {
  color: #FFFFFF;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin: 0 0 1rem;
  display: flex;
  align-items: center;
  gap: 10px;
}
.sf-footer__title::before {
  content: "";
  width: 16px;
  height: 3px;
  background: var(--sf-color-accent);
  border-radius: 2px;
  flex: none;
}
.sf-footer__widget p, .sf-footer__widget li { color: var(--sf-color-on-dark-muted); font-size: 0.95rem; }
.sf-footer__widget ul { list-style: none; padding: 0; margin: 0; }
.sf-footer__widget li { margin-bottom: 4px; }
.sf-footer a {
  color: #DCE5EE;
  text-decoration: none;
  padding: 6px 0;
  min-height: 32px;
  display: inline-block;
}
.sf-footer a:hover {
  color: #FFFFFF;
  text-decoration: underline;
  text-decoration-color: var(--sf-color-accent);
  text-underline-offset: 4px;
}
.sf-footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding: 18px 0;
  font-size: 0.85rem;
  color: var(--sf-color-on-dark-muted);
}

/* ---------- Responsive ---------- */

@media (min-width: 781px) {
  .sf-hero {
    padding-top: var(--sf-space-xl);
    padding-bottom: var(--sf-space-md);
  }
  .sf-hero__media { margin-top: 0; }
  .sf-pros-cons { grid-template-columns: 1fr 1fr; }
  .sf-calculator__fields { grid-template-columns: 1fr 1fr; }
  .sf-footer__grid { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
}

@media (min-width: 1024px) {
  .sf-section { padding-top: 6rem; padding-bottom: 6rem; }
  .sf-feature-grid { gap: 24px; }
  .sf-hero { padding-bottom: var(--sf-space-lg); }
}

/* Spec tables: horizontal scroll with sticky first column on small screens */
@media (max-width: 780px) {
  .sf-chart-block, .wp-block-table { overflow-x: auto; }
  .sf-chart-block table, .wp-block-table table { min-width: 560px; }
  .sf-chart-block th:first-child, .sf-chart-block td:first-child,
  .wp-block-table th:first-child, .wp-block-table td:first-child {
    position: sticky;
    left: 0;
    background: #FFFFFF;
    border-right: 1px solid var(--sf-color-line);
  }
  .sf-chart-block thead th:first-child, .wp-block-table thead th:first-child {
    background: var(--sf-color-primary);
  }
  .sf-chart-block tbody tr:nth-child(even) td:first-child,
  .wp-block-table tbody tr:nth-child(even) td:first-child {
    background: var(--sf-color-surface-tint);
  }
  .sf-cta { padding: var(--sf-space-lg) var(--sf-space-md); }
}

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .sf-animate { opacity: 1; transform: none; }
  .sf-marquee__track { animation: none; }
  .wp-block-button__link:hover, .wp-element-button:hover,
  .sf-feature-card:hover { transform: none; }
}