/* ============================================================
   Koffie Schenken, bespoke skin (revision 2)
   Warm editorial world: roasted-bean brown, copper, cream.
   Motif: concentric bloom rings, quiet paper grain.
   ============================================================ */

:root {
  --sf-color-primary: #5B3A26;
  --sf-color-accent: #C67C3A;
  --sf-color-accent-ink: #8A531F;
  --sf-color-text: #2A170D;
  --sf-color-background: #FAF5EE;
  --sf-color-surface-tint: #F3E9DC;
  --sf-color-surface-dark: #211309;
  --sf-color-on-dark: #F7EEE3;
  --sf-color-muted: #5B4A3B;
  --sf-color-muted-dark: #C9B8A2;
  --sf-color-border: #E4D6C2;
  --sf-color-card: #FFFFFF;
  --sf-hero-glow: rgba(198, 124, 58, 0.14);
  --sf-ring-color: rgba(198, 124, 58, 0.18);
  --sf-ring-color-dark: rgba(216, 148, 79, 0.20);
  --sf-font-base: 'Source Serif 4', Georgia, serif;
  --sf-font-heading: 'Inter', 'Segoe UI', sans-serif;
  --sf-radius: 16px;
  --sf-radius-sm: 10px;
  --sf-space-sm: 1rem;
  --sf-space-md: 1.75rem;
  --sf-space-lg: 3rem;
  --sf-space-xl: 5.5rem;
  --sf-maxwidth: 1180px;
  --sf-gutter: clamp(1.25rem, 4vw, 2.5rem);
  /* One shared container rule: header, hero, sections and footer align. */
  --sf-inset: max(var(--sf-gutter), calc((100% - var(--sf-maxwidth)) / 2 + var(--sf-gutter)));
  --sf-shadow-sm: 0 1px 2px rgba(90, 58, 38, 0.08), 0 4px 14px rgba(90, 58, 38, 0.06);
  --sf-shadow-md: 0 2px 4px rgba(90, 58, 38, 0.08), 0 14px 40px rgba(90, 58, 38, 0.12);
  --sf-scrim: linear-gradient(180deg, rgba(33, 19, 9, 0.18), rgba(33, 19, 9, 0.55));
  --sf-logo-height: 56px;
  --sf-logo-height-scrolled: 44px;
}

@media (max-width: 781px) {
  :root {
    --sf-logo-height: 44px;
    --sf-logo-height-scrolled: 40px;
  }
}

@media (min-width: 782px) {
  :root { --sf-logo-height: 64px; }
}

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

html {
  overflow-x: clip;
  scroll-padding-top: 96px;
}

body {
  overflow-x: clip;
  background-color: var(--sf-color-background);
  color: var(--sf-color-text);
  font-family: var(--sf-font-base);
  font-size: 1.0625rem;
  line-height: 1.72;
}

/* Quiet paper grain over the whole page. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)'/%3E%3C/svg%3E");
}

body > * { position: relative; z-index: 1; }

main { display: block; }

img, figure, table, input, output { max-width: 100%; }

h1, h2, h3, h4 {
  font-family: var(--sf-font-heading);
  color: var(--sf-color-primary);
  line-height: 1.08;
  letter-spacing: -0.022em;
  font-weight: 800;
  text-wrap: balance;
}

h2 { font-size: clamp(1.9rem, 3.4vw, 2.9rem); letter-spacing: -0.028em; }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); letter-spacing: -0.015em; }

a { color: var(--sf-color-primary); text-underline-offset: 0.22em; }
a:hover { color: var(--sf-color-accent-ink); }

::selection { background: var(--sf-color-accent); color: var(--sf-color-text); }

:focus-visible {
  outline: 2px solid var(--sf-color-accent-ink);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Shared bits ---------- */

.sf-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--sf-font-heading);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--sf-color-accent-ink);
}

.sf-eyebrow::before {
  content: "";
  inline-size: 1.6rem;
  block-size: 2px;
  background: var(--sf-color-accent);
  border-radius: 2px;
}

.sf-section--dark .sf-eyebrow { color: var(--sf-color-accent); }
.sf-section--dark .sf-eyebrow::before { background: var(--sf-color-accent); }

/* Buttons: roasted bean pill, copper on hover. */
.wp-block-button__link,
.wp-element-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85em 1.7em;
  font-family: var(--sf-font-heading);
  font-size: 0.92rem;
  font-weight: 650;
  letter-spacing: 0.01em;
  color: var(--sf-color-background);
  background: var(--sf-color-primary);
  border: 1.5px solid var(--sf-color-primary);
  border-radius: 999px;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.22s ease, color 0.22s ease, transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.wp-block-button__link:hover,
.wp-element-button:hover {
  background: var(--sf-color-accent);
  border-color: var(--sf-color-accent);
  color: var(--sf-color-text);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(198, 124, 58, 0.34);
}

.sf-section--dark .wp-block-button__link,
.sf-section--dark .wp-element-button,
footer .wp-block-button__link,
footer .wp-element-button {
  background: var(--sf-color-accent);
  border-color: var(--sf-color-accent);
  color: var(--sf-color-text);
}

.sf-section--dark .wp-block-button__link:hover,
.sf-section--dark .wp-element-button:hover {
  background: var(--sf-color-on-dark);
  border-color: var(--sf-color-on-dark);
  color: var(--sf-color-text);
}

/* Button groups keep a tidy, intentional rhythm. */
.wp-block-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-block: 0.35rem 0;
}

/* Reading progress strip. */
.sf-progress {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 90;
  block-size: 3px;
  background: transparent;
}

.sf-progress__bar {
  block-size: 3px;
  background: linear-gradient(90deg, var(--sf-color-primary), var(--sf-color-accent));
  border-radius: 0 3px 3px 0;
}

/* Scroll reveal. */
.sf-animate {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.sf-animate.sf-visible {
  opacity: 1;
  transform: none;
}

/* ---------- Header ----------
   Full-width white band (so the logo asset blends in cleanly),
   inner row constrained to the shared 1180px container. */

header,
.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: nowrap;
  padding-block: 0.6rem;
  padding-inline: var(--sf-inset);
  background: rgba(255, 255, 255, 0.96);
  border-block-end: 1px solid var(--sf-color-border);
  transition: box-shadow 0.25s ease, padding-block 0.25s ease;
}

html.sf-scrolled header,
html.sf-scrolled .site-header {
  padding-block: 0.35rem;
  box-shadow: 0 1px 0 var(--sf-color-border), 0 10px 30px rgba(90, 58, 38, 0.08);
}

.site-branding {
  flex: 0 0 auto;
  line-height: 0;
}

.site-branding a {
  display: inline-block;
  transition: opacity 0.2s ease;
}

.site-branding a:hover { opacity: 0.82; }

/* Nav stays in the same row as the brand block. */
header nav,
.site-header nav {
  flex: 1 1 auto;
  display: flex;
  justify-content: flex-end;
  min-width: 0;
  font-family: var(--sf-font-heading);
}

header nav ul,
.site-header nav ul {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 0.15rem;
  list-style: none;
  margin: 0;
  padding: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

header nav ul::-webkit-scrollbar,
.site-header nav ul::-webkit-scrollbar { display: none; }

header nav li,
.site-header nav li { flex: 0 0 auto; }

header nav a,
.site-header nav a {
  position: relative;
  display: inline-block;
  padding: 0.55em 0.25em;
  margin-inline: 0.5em;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--sf-color-text);
  text-decoration: none;
  white-space: nowrap;
}

header nav a::after,
.site-header nav a::after {
  content: "";
  position: absolute;
  inset-inline: 0.25em;
  inset-block-end: 0.15em;
  block-size: 2px;
  background: var(--sf-color-accent);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}

header nav a:hover::after,
.site-header nav a:hover::after {
  transform: scaleX(1);
}

header nav a:hover,
.site-header nav a:hover { color: var(--sf-color-primary); }

/* ---------- Sections ---------- */

.sf-section {
  position: relative;
  padding-block: clamp(3.5rem, 8vw, var(--sf-space-xl));
}

.sf-section > * {
  max-width: var(--sf-maxwidth);
  margin-inline: auto;
  padding-inline: var(--sf-gutter);
}

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

/* Dark statement section: espresso with bloom rings. */
.sf-section--dark {
  position: relative;
  isolation: isolate;
  overflow: clip;
  background:
    radial-gradient(120% 120% at 85% 15%, rgba(198, 124, 58, 0.10), transparent 55%),
    var(--sf-color-surface-dark);
  color: var(--sf-color-on-dark);
}

.sf-section--dark::before {
  content: "";
  position: absolute;
  inset-block-start: -22%;
  inset-inline-end: -14%;
  inline-size: clamp(24rem, 48vw, 44rem);
  aspect-ratio: 1;
  z-index: -1;
  background: repeating-radial-gradient(
    circle at center,
    var(--sf-ring-color-dark) 0 1.5px,
    transparent 1.5px 34px
  );
  border-radius: 50%;
  opacity: 0.55;
  pointer-events: none;
}

.sf-section--dark::after {
  content: "";
  position: absolute;
  inset-block-end: -30%;
  inset-inline-start: -12%;
  inline-size: clamp(18rem, 34vw, 30rem);
  aspect-ratio: 1;
  z-index: -1;
  background: radial-gradient(closest-side, rgba(198, 124, 58, 0.16), transparent);
  pointer-events: none;
}

.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 a { color: var(--sf-color-on-dark); }
.sf-section--dark a:hover { color: var(--sf-color-accent); }
.sf-section--dark p { color: var(--sf-color-muted-dark); }

/* Alternate section edge: soft warm top on tinted bands. */
.sf-section--tint + .sf-section:not(.sf-section--tint),
.sf-section:not(.sf-section--tint) + .sf-section--tint {
  border-block-start: 1px solid var(--sf-color-border);
}

/* ---------- Hero (split variant) ----------
   Full-bleed band aligned to the shared container, no card edge.
   Tightened vertical rhythm so the page starts breathing sooner. */

.sf-hero,
.sf-hero--split {
  position: relative;
  isolation: isolate;
  overflow: clip;
  min-height: 0;
  padding-block: clamp(3rem, 7vw, 5rem);
  padding-inline: var(--sf-inset);
  margin-inline: 0;
  border-radius: 0;
  background:
    radial-gradient(90% 90% at 12% 8%, var(--sf-hero-glow), transparent 60%),
    var(--sf-color-background);
}

/* Bloom rings, kept clear of the text column. */
.sf-hero--split::before {
  content: "";
  position: absolute;
  inset-block-start: -34%;
  inset-inline-end: -12%;
  inline-size: clamp(24rem, 46vw, 44rem);
  aspect-ratio: 1;
  z-index: -1;
  background: repeating-radial-gradient(
    circle at center,
    var(--sf-ring-color) 0 1.5px,
    transparent 1.5px 30px
  );
  border-radius: 50%;
  opacity: 0.5;
  pointer-events: none;
}

.sf-hero--split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 4vw, 3rem);
  align-items: center;
}

.sf-hero__content,
.sf-hero__inner {
  position: relative;
  z-index: 2;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.05rem;
}

.sf-hero__content .sf-eyebrow,
.sf-hero__inner .sf-eyebrow { align-self: center; }

.sf-hero__heading {
  font-size: clamp(2.35rem, 6vw, 4.4rem);
  letter-spacing: -0.038em;
  line-height: 1.04;
  margin-block: 0;
  max-width: 16ch;
}

.sf-hero__tagline {
  font-size: clamp(1.1rem, 1.8vw, 1.35rem);
  line-height: 1.62;
  color: var(--sf-color-muted);
  max-width: 34rem;
  margin-block: 0;
}

.sf-hero__content .wp-block-buttons,
.sf-hero__inner .wp-block-buttons {
  justify-content: center;
  margin-block-start: 0.5rem;
}

.sf-hero__media {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.sf-hero__media img {
  display: block;
  width: 100%;
  border-radius: calc(var(--sf-radius) * 1.6);
  box-shadow: var(--sf-shadow-md);
}

.sf-hero__media::before {
  content: "";
  position: absolute;
  inset: -1.1rem;
  border: 1.5px solid var(--sf-color-accent);
  border-radius: calc(var(--sf-radius) * 2);
  opacity: 0.4;
  pointer-events: none;
}

figure.wp-block-image img {
  border-radius: var(--sf-radius);
}

/* Desktop split: text and media side by side, left-aligned, no overlap. */
@media (min-width: 782px) {
  .sf-hero--split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(2.5rem, 5vw, 4.5rem);
  }

  .sf-hero--split .sf-hero__content {
    align-items: flex-start;
    text-align: left;
  }

  .sf-hero--split .sf-hero__content .sf-eyebrow { align-self: flex-start; }

  .sf-hero--split .sf-hero__content .wp-block-buttons {
    justify-content: flex-start;
  }
}

/* ---------- Feature grid ---------- */

.sf-feature-grid {
  gap: clamp(1.25rem, 2.5vw, 2rem);
}

.sf-feature-card {
  position: relative;
  isolation: isolate;
  overflow: clip;
  padding: clamp(1.6rem, 2.6vw, 2.2rem);
  background: var(--sf-color-card);
  border: 1px solid var(--sf-color-border);
  border-radius: var(--sf-radius);
  box-shadow: var(--sf-shadow-sm);
  transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.28s ease, border-color 0.28s ease;
}

.sf-feature-card::after {
  content: "";
  position: absolute;
  inset-block-start: -30%;
  inset-inline-end: -32%;
  inline-size: 11rem;
  aspect-ratio: 1;
  z-index: -1;
  background: repeating-radial-gradient(circle at center, var(--sf-ring-color) 0 1px, transparent 1px 20px);
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.32s ease;
  pointer-events: none;
}

.sf-feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--sf-color-accent);
  box-shadow: var(--sf-shadow-md);
}

.sf-feature-card:hover::after { opacity: 1; }

.sf-feature-card h3 { margin-block: 0 0.55rem; }
.sf-feature-card p { color: var(--sf-color-muted); margin-block: 0; }

.sf-section--dark .sf-feature-card {
  background: rgba(247, 238, 227, 0.045);
  border-color: rgba(247, 238, 227, 0.14);
  box-shadow: none;
}

.sf-section--dark .sf-feature-card:hover {
  border-color: var(--sf-color-accent);
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.28);
}

.sf-section--dark .sf-feature-card p { color: var(--sf-color-muted-dark); }

/* ---------- Media with text ---------- */

.sf-media-text {
  align-items: center;
  gap: clamp(2rem, 5vw, 4.5rem);
}

.sf-media-text__media img {
  display: block;
  width: 100%;
  border-radius: calc(var(--sf-radius) * 1.6);
  box-shadow: var(--sf-shadow-md);
}

.sf-media-text__content h2 { margin-block: 0.4rem 0.9rem; }
.sf-media-text__content p { color: var(--sf-color-muted); }

.sf-section--dark .sf-media-text__content p { color: var(--sf-color-muted-dark); }

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

.sf-stats__grid {
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

.sf-stats__item {
  padding-block: 0.5rem;
  border-inline-start: 3px solid var(--sf-color-accent);
  padding-inline-start: 1.1rem;
}

.sf-stats__value {
  display: block;
  font-family: var(--sf-font-heading);
  font-size: clamp(2.4rem, 4.4vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--sf-color-accent);
  font-variant-numeric: tabular-nums;
}

.sf-stats__label {
  display: block;
  margin-block-start: 0.4rem;
  font-family: var(--sf-font-heading);
  font-size: 0.8rem;
  font-weight: 650;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sf-color-muted);
}

.sf-section--dark .sf-stats__label { color: var(--sf-color-muted-dark); }

/* ---------- Steps ---------- */

.sf-steps { gap: clamp(1.6rem, 3vw, 2.4rem); }

.sf-steps__item::before {
  display: grid;
  place-items: center;
  inline-size: 3rem;
  block-size: 3rem;
  margin-block-end: 1rem;
  font-family: var(--sf-font-heading);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--sf-color-primary);
  background: var(--sf-color-background);
  border: 2px solid var(--sf-color-accent);
  border-radius: 50%;
  box-shadow: 0 0 0 6px rgba(198, 124, 58, 0.12);
  font-variant-numeric: tabular-nums;
}

.sf-steps__item h3 { margin-block: 0 0.5rem; }
.sf-steps__item p { color: var(--sf-color-muted); }

.sf-section--dark .sf-steps__item::before {
  background: var(--sf-color-surface-dark);
  color: var(--sf-color-on-dark);
  box-shadow: 0 0 0 6px rgba(216, 148, 79, 0.14);
}

.sf-section--dark .sf-steps__item p { color: var(--sf-color-muted-dark); }

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

.sf-tabs__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0.35rem;
  margin-block-end: 1.5rem;
  background: var(--sf-color-surface-tint);
  border: 1px solid var(--sf-color-border);
  border-radius: 999px;
  max-width: fit-content;
}

.sf-tabs__link {
  display: block;
  padding: 0.55em 1.15em;
  font-family: var(--sf-font-heading);
  font-size: 0.88rem;
  font-weight: 650;
  color: var(--sf-color-muted);
  text-decoration: none;
  border-radius: 999px;
  transition: background-color 0.2s ease, color 0.2s ease;
  white-space: nowrap;
}

.sf-tabs__link:hover { color: var(--sf-color-primary); }

.sf-tabs__link--active {
  background: var(--sf-color-primary);
  color: var(--sf-color-background);
}

.sf-section--dark .sf-tabs__nav {
  background: rgba(247, 238, 227, 0.06);
  border-color: rgba(247, 238, 227, 0.14);
}

.sf-section--dark .sf-tabs__link { color: var(--sf-color-muted-dark); }

.sf-section--dark .sf-tabs__link--active {
  background: var(--sf-color-accent);
  color: var(--sf-color-text);
}

.sf-tabs__panel {
  padding: clamp(1.4rem, 3vw, 2.2rem);
  background: var(--sf-color-card);
  border: 1px solid var(--sf-color-border);
  border-radius: var(--sf-radius);
  box-shadow: var(--sf-shadow-sm);
}

.sf-section--dark .sf-tabs__panel {
  background: rgba(247, 238, 227, 0.045);
  border-color: rgba(247, 238, 227, 0.14);
}

/* ---------- Marquee ----------
   Solid chips with real borders and AA contrast on cream. */

.sf-marquee {
  overflow: clip;
  background: var(--sf-color-surface-tint);
  border-block: 1px solid var(--sf-color-border);
  padding-block: 1rem;
}

.sf-marquee__track {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  width: max-content;
}

.sf-marquee__item {
  display: inline-block;
  font-family: var(--sf-font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sf-color-primary);
  padding: 0.5em 1.15em;
  border: 1.5px solid var(--sf-color-accent);
  border-radius: 999px;
  background: var(--sf-color-card);
  box-shadow: var(--sf-shadow-sm);
  white-space: nowrap;
}

.sf-section--dark .sf-marquee {
  background: transparent;
  border-color: rgba(247, 238, 227, 0.12);
}

.sf-section--dark .sf-marquee__item {
  background: rgba(247, 238, 227, 0.06);
  border-color: rgba(216, 148, 79, 0.55);
  color: var(--sf-color-on-dark);
  box-shadow: none;
}

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

.sf-faq-item {
  border: 1px solid var(--sf-color-border);
  border-radius: var(--sf-radius-sm);
  background: var(--sf-color-card);
  margin-block-end: 0.8rem;
  transition: border-color 0.22s ease, box-shadow 0.22s ease;
}

.sf-faq-item:hover { border-color: var(--sf-color-accent); }

.sf-faq-item[open] {
  box-shadow: var(--sf-shadow-sm);
  border-color: var(--sf-color-accent);
}

.sf-faq-item summary {
  padding: 1.05rem 1.25rem;
  font-family: var(--sf-font-heading);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--sf-color-primary);
  cursor: pointer;
  list-style: none;
}

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

.sf-faq-item summary::after {
  font-family: var(--sf-font-heading);
  font-weight: 800;
  color: var(--sf-color-accent-ink);
  transition: transform 0.25s ease;
}

.sf-faq-item[open] summary::after { transform: rotate(45deg); }

.sf-faq-item > *:not(summary) {
  padding-block: 0 1.15rem;
  padding-inline: 1.25rem;
  color: var(--sf-color-muted);
}

.sf-section--dark .sf-faq-item {
  background: rgba(247, 238, 227, 0.045);
  border-color: rgba(247, 238, 227, 0.14);
}

.sf-section--dark .sf-faq-item summary { color: var(--sf-color-on-dark); }
.sf-section--dark .sf-faq-item summary::after { color: var(--sf-color-accent); }
.sf-section--dark .sf-faq-item > *:not(summary) { color: var(--sf-color-muted-dark); }

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

.sf-cta {
  position: relative;
  isolation: isolate;
  overflow: clip;
  padding: clamp(2.8rem, 6vw, 4.5rem) clamp(1.6rem, 4vw, 3.5rem);
  text-align: center;
  background: var(--sf-color-surface-dark);
  color: var(--sf-color-on-dark);
  border-radius: calc(var(--sf-radius) * 1.6);
  box-shadow: var(--sf-shadow-md);
}

.sf-cta::before {
  content: "";
  position: absolute;
  inset-block-start: -45%;
  inset-inline-start: 50%;
  inline-size: clamp(20rem, 44vw, 36rem);
  aspect-ratio: 1;
  translate: -50% 0;
  z-index: -1;
  background: repeating-radial-gradient(circle at center, var(--sf-ring-color-dark) 0 1.5px, transparent 1.5px 30px);
  border-radius: 50%;
  opacity: 0.7;
  pointer-events: none;
}

.sf-cta h2 { color: var(--sf-color-on-dark); margin-block-end: 0.6rem; }
.sf-cta p { color: var(--sf-color-muted-dark); max-width: 40rem; margin-inline: auto; }
.sf-cta .wp-block-buttons { justify-content: center; }

/* ---------- Secondary content blocks ---------- */

.sf-intro {
  font-size: clamp(1.2rem, 2vw, 1.35rem);
  line-height: 1.66;
  color: var(--sf-color-primary);
  max-width: 46rem;
}

.sf-section--dark .sf-intro { color: var(--sf-color-on-dark); }

.sf-contact-info {
  display: grid;
  gap: 0.7rem;
  padding: 1.6rem;
  background: var(--sf-color-card);
  border: 1px solid var(--sf-color-border);
  border-radius: var(--sf-radius);
  box-shadow: var(--sf-shadow-sm);
}

.sf-contact__org {
  font-family: var(--sf-font-heading);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--sf-color-primary);
}

.sf-contact__email a,
.sf-contact__phone a { color: var(--sf-color-accent-ink); }

/* TOC: settled rail with scrollspy accent. */
.sf-toc {
  padding: 1.5rem 1.6rem;
  background: var(--sf-color-card);
  border: 1px solid var(--sf-color-border);
  border-radius: var(--sf-radius);
  box-shadow: var(--sf-shadow-sm);
}

.sf-toc ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.15rem;
}

.sf-toc a {
  display: block;
  padding: 0.45rem 0.8rem;
  font-family: var(--sf-font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--sf-color-muted);
  text-decoration: none;
  border-inline-start: 3px solid transparent;
  border-radius: 0 var(--sf-radius-sm) var(--sf-radius-sm) 0;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.sf-toc a:hover { color: var(--sf-color-primary); }

.sf-toc .sf-toc__link--active,
.sf-toc a.sf-toc__link--active {
  color: var(--sf-color-primary);
  border-inline-start-color: var(--sf-color-accent);
  background: var(--sf-color-surface-tint);
}

/* Key takeaways callout. */
.sf-key-takeaways {
  padding: 1.7rem 1.9rem;
  background: var(--sf-color-surface-tint);
  border-inline-start: 4px solid var(--sf-color-accent);
  border-radius: var(--sf-radius-sm);
}

.sf-key-takeaways h2,
.sf-key-takeaways h3 { margin-block-start: 0; }

/* Stand-alone stat card. */
.sf-stat-card {
  padding: 1.9rem 2.1rem;
  background: var(--sf-color-card);
  border: 1px solid var(--sf-color-border);
  border-radius: var(--sf-radius);
  box-shadow: var(--sf-shadow-sm);
}

.sf-stat-card__value {
  display: block;
  font-family: var(--sf-font-heading);
  font-size: clamp(2.6rem, 5vw, 3.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--sf-color-accent);
  font-variant-numeric: tabular-nums;
}

.sf-stat-card__source {
  display: block;
  margin-block-start: 0.7rem;
  font-size: 0.84rem;
  color: var(--sf-color-muted);
}

.sf-section--dark .sf-stat-card {
  background: rgba(247, 238, 227, 0.045);
  border-color: rgba(247, 238, 227, 0.14);
}

.sf-section--dark .sf-stat-card__source { color: var(--sf-color-muted-dark); }

/* Pros and cons: two calm panels. */
.sf-pros-cons {
  display: grid;
  gap: 1.5rem;
}

.sf-pros-cons > * {
  padding: 1.6rem 1.8rem;
  background: var(--sf-color-card);
  border: 1px solid var(--sf-color-border);
  border-radius: var(--sf-radius);
}

.sf-pros-cons > * > h2,
.sf-pros-cons > * > h3 {
  margin-block-start: 0;
  font-size: 1.15rem;
}

.sf-sources {
  font-size: 0.9rem;
  color: var(--sf-color-muted);
}

.sf-sources a { color: var(--sf-color-accent-ink); }

/* ---------- Article components ---------- */

.sf-statistic-grid__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.sf-statistic-grid__item {
  padding: 1.5rem 1.6rem;
  background: var(--sf-color-card);
  border: 1px solid var(--sf-color-border);
  border-radius: var(--sf-radius);
}

.sf-statistic-grid__value {
  display: block;
  font-family: var(--sf-font-heading);
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--sf-color-accent);
  font-variant-numeric: tabular-nums;
}

.sf-statistic-grid__label {
  display: block;
  margin-block: 0.55rem 0.35rem;
  color: var(--sf-color-text);
}

.sf-statistic-grid__source {
  display: block;
  font-size: 0.8rem;
  color: var(--sf-color-muted);
}

/* Chart block shell. */
.sf-chart-block {
  margin-block: 2rem;
  padding: clamp(1.5rem, 3vw, 2.2rem);
  background: var(--sf-color-card);
  border: 1px solid var(--sf-color-border);
  border-radius: var(--sf-radius);
  box-shadow: var(--sf-shadow-sm);
}

.sf-chart-block > h2,
.sf-chart-block > h3 {
  margin-block-start: 0;
}

.sf-chart-block table {
  margin-block-start: 1.4rem;
  width: 100%;
  border-collapse: collapse;
  font-family: var(--sf-font-heading);
  font-size: 0.88rem;
}

.sf-chart-block th,
.sf-chart-block td {
  padding: 0.55em 0.8em;
  text-align: left;
  border-block-end: 1px solid var(--sf-color-border);
}

.sf-chart-block thead th {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sf-color-muted);
  border-block-end: 2px solid var(--sf-color-border);
}

.sf-chart__source {
  display: block;
  margin-block-start: 1rem;
  font-size: 0.8rem;
  color: var(--sf-color-muted);
}

/* Bar chart: copper gradients, never width. */
.sf-chart--bar .sf-chart__row {
  display: grid;
  grid-template-columns: minmax(7rem, 1fr) 3fr auto;
  align-items: center;
  gap: 0.9rem;
  margin-block: 0.7rem;
}

.sf-chart__label {
  font-family: var(--sf-font-heading);
  font-size: 0.88rem;
  font-weight: 650;
  color: var(--sf-color-text);
}

.sf-chart__track {
  block-size: 14px;
  background: var(--sf-color-surface-tint);
  border-radius: 999px;
  overflow: hidden;
}

.sf-chart__bar {
  block-size: 14px;
  background: linear-gradient(90deg, var(--sf-color-primary), var(--sf-color-accent));
  border-radius: 999px;
}

.sf-chart__value {
  font-family: var(--sf-font-heading);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--sf-color-accent-ink);
  font-variant-numeric: tabular-nums;
}

/* Line chart: copper points and joins. */
.sf-chart--line .sf-chart__plot {
  background:
    repeating-linear-gradient(to top, transparent 0 calc(25% - 1px), var(--sf-color-border) calc(25% - 1px) 25%);
  border-block-end: 2px solid var(--sf-color-border);
  border-inline-start: 2px solid var(--sf-color-border);
  border-radius: var(--sf-radius-sm);
}

.sf-chart--line .sf-chart__point {
  inline-size: 12px;
  block-size: 12px;
  background: var(--sf-color-accent);
  border: 2.5px solid var(--sf-color-card);
  border-radius: 50%;
  box-shadow: 0 0 0 2px var(--sf-color-accent);
}

.sf-chart--line .sf-chart__segment {
  background: var(--sf-color-accent);
  block-size: 2.5px;
  border-radius: 2px;
}

.sf-chart--line .sf-chart__tick {
  font-family: var(--sf-font-heading);
  font-size: 0.78rem;
  color: var(--sf-color-muted);
}

/* Timeline. */
.sf-timeline ol {
  list-style: none;
  padding: 0;
  margin: 0;
  border-inline-start: 2px solid var(--sf-color-border);
}

.sf-timeline li {
  position: relative;
  padding-block: 1.15rem;
  padding-inline-start: 1.7rem;
}

.sf-timeline li::before {
  content: "";
  position: absolute;
  inset-inline-start: -8px;
  inset-block-start: 1.55rem;
  inline-size: 14px;
  block-size: 14px;
  background: var(--sf-color-accent);
  border: 3px solid var(--sf-color-background);
  border-radius: 50%;
}

.sf-timeline__date {
  display: block;
  font-family: var(--sf-font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--sf-color-accent-ink);
}

.sf-timeline__title {
  font-family: var(--sf-font-heading);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--sf-color-primary);
  margin-block: 0.25rem;
}

.sf-timeline__text { color: var(--sf-color-muted); }

/* Methodology: quiet, factual. */
.sf-methodology {
  padding: 1.7rem 1.9rem;
  background: var(--sf-color-surface-tint);
  border: 1px solid var(--sf-color-border);
  border-radius: var(--sf-radius);
  font-size: 0.92rem;
}

.sf-methodology h2 { font-size: 1.3rem; margin-block-start: 0; }

.sf-methodology__details {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.4rem 1.2rem;
  margin-block-start: 1rem;
}

.sf-methodology__details dt {
  font-family: var(--sf-font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sf-color-muted);
}

.sf-methodology__details dd { margin: 0; }

/* Related links. */
.sf-related ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.8rem;
}

.sf-related__link {
  display: block;
  padding: 1rem 1.25rem;
  background: var(--sf-color-card);
  border: 1px solid var(--sf-color-border);
  border-radius: var(--sf-radius-sm);
  font-family: var(--sf-font-heading);
  font-weight: 700;
  color: var(--sf-color-primary);
  text-decoration: none;
  transition: border-color 0.22s ease, transform 0.22s ease, box-shadow 0.22s ease;
}

.sf-related__link:hover {
  border-color: var(--sf-color-accent);
  transform: translateY(-2px);
  box-shadow: var(--sf-shadow-sm);
}

.sf-related__description {
  display: block;
  margin-block-start: 0.3rem;
  font-family: var(--sf-font-base);
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--sf-color-muted);
}

/* Affiliate and newsletter panels. */
.sf-affiliate-cta,
.sf-newsletter-cta {
  position: relative;
  margin-block: 2rem;
  padding: clamp(1.8rem, 3.4vw, 2.6rem);
  background: var(--sf-color-card);
  border: 1px solid var(--sf-color-border);
  border-radius: calc(var(--sf-radius) * 1.3);
  box-shadow: var(--sf-shadow-sm);
}

.sf-affiliate-cta::before,
.sf-newsletter-cta::before {
  content: "";
  position: absolute;
  inset-block: 0;
  inset-inline-start: 0;
  inline-size: 5px;
  background: linear-gradient(180deg, var(--sf-color-accent), var(--sf-color-primary));
  border-radius: 5px 0 0 5px;
}

.sf-affiliate-cta h2,
.sf-newsletter-cta h2 {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  margin-block-start: 0;
}

.sf-affiliate-cta__disclosure {
  margin-block-start: 1rem;
  font-size: 0.82rem;
  line-height: 1.55;
  color: var(--sf-color-muted);
}

.sf-newsletter-cta__note {
  margin-block-start: 0.8rem;
  font-size: 0.84rem;
  color: var(--sf-color-muted);
}

/* Calculator. */
.sf-calculator {
  padding: clamp(1.8rem, 3.4vw, 2.6rem);
  background: var(--sf-color-card);
  border: 1px solid var(--sf-color-border);
  border-radius: calc(var(--sf-radius) * 1.3);
  box-shadow: var(--sf-shadow-sm);
}

.sf-calculator__title {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  margin-block-start: 0;
}

.sf-calculator__fields {
  display: grid;
  gap: 1.1rem;
  margin-block: 1.4rem;
}

.sf-calculator__label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.6rem;
  margin-block-end: 0.4rem;
  font-family: var(--sf-font-heading);
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--sf-color-primary);
}

.sf-calculator__unit {
  font-weight: 500;
  font-size: 0.78rem;
  color: var(--sf-color-muted);
  letter-spacing: 0.04em;
}

.sf-calculator__input {
  width: 100%;
  padding: 0.75em 0.95em;
  font-family: var(--sf-font-heading);
  font-size: 1rem;
  color: var(--sf-color-text);
  background: var(--sf-color-background);
  border: 1.5px solid var(--sf-color-border);
  border-radius: var(--sf-radius-sm);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.sf-calculator__input:hover { border-color: var(--sf-color-accent); }

.sf-calculator__input:focus {
  outline: 2px solid var(--sf-color-accent-ink);
  outline-offset: 2px;
  border-color: var(--sf-color-accent);
  box-shadow: 0 0 0 4px rgba(198, 124, 58, 0.2);
}

.sf-calculator__result {
  margin-block-start: 1.2rem;
  padding: 1.1rem 1.3rem;
  background: var(--sf-color-surface-tint);
  border: 1px solid var(--sf-color-border);
  border-radius: var(--sf-radius-sm);
}

.sf-calculator__result-label {
  display: block;
  font-family: var(--sf-font-heading);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sf-color-muted);
}

.sf-calculator__value {
  display: block;
  font-family: var(--sf-font-heading);
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--sf-color-accent-ink);
  font-variant-numeric: tabular-nums;
}

.sf-calculator__result-unit {
  font-family: var(--sf-font-heading);
  font-size: 0.9rem;
  color: var(--sf-color-muted);
}

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

footer.site-footer,
.sf-footer {
  position: relative;
  isolation: isolate;
  overflow: clip;
  margin-block-start: clamp(3rem, 7vw, 5rem);
  padding-block: clamp(3rem, 6vw, 4.5rem) 0;
  background:
    radial-gradient(110% 90% at 90% 0%, rgba(198, 124, 58, 0.10), transparent 55%),
    var(--sf-color-surface-dark);
  color: var(--sf-color-on-dark);
}

.sf-footer::before {
  content: "";
  position: absolute;
  inset-block-end: -28%;
  inset-inline-start: -12%;
  inline-size: clamp(20rem, 40vw, 34rem);
  aspect-ratio: 1;
  z-index: -1;
  background: repeating-radial-gradient(circle at center, var(--sf-ring-color-dark) 0 1.5px, transparent 1.5px 32px);
  border-radius: 50%;
  opacity: 0.5;
  pointer-events: none;
}

.sf-footer__grid {
  max-width: var(--sf-maxwidth);
  margin-inline: auto;
  padding-inline: var(--sf-gutter);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
  gap: clamp(2rem, 4vw, 3.5rem);
}

.sf-footer__col { min-width: 0; }

.sf-footer__title {
  position: relative;
  margin-block: 0 1rem;
  padding-block-end: 0.55rem;
  font-family: var(--sf-font-heading);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--sf-color-on-dark);
}

.sf-footer__title::after {
  content: "";
  position: absolute;
  inset-block-end: 0;
  inset-inline-start: 0;
  inline-size: 2.2rem;
  block-size: 2.5px;
  background: var(--sf-color-accent);
  border-radius: 3px;
}

.sf-footer__widget p,
.sf-footer__widget li {
  font-size: 0.94rem;
  line-height: 1.68;
  color: var(--sf-color-muted-dark);
}

.sf-footer__widget ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.45rem;
}

.sf-footer__widget a {
  color: var(--sf-color-on-dark);
  text-decoration: none;
  transition: color 0.2s ease;
}

.sf-footer__widget a:hover { color: var(--sf-color-accent); }

.sf-footer__bottom {
  max-width: var(--sf-maxwidth);
  margin-inline: auto;
  margin-block-start: clamp(2.5rem, 5vw, 4rem);
  padding: 1.2rem var(--sf-gutter);
  border-block-start: 1px solid rgba(247, 238, 227, 0.12);
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  color: var(--sf-color-muted-dark);
}

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

@media (max-width: 781px) {
  /* Slim header row: compact logo, links share the row and scroll if needed. */
  header,
  .site-header {
    gap: 0.6rem;
    padding-block: 0.5rem;
  }

  header nav a,
  .site-header nav a {
    font-size: 0.8rem;
    margin-inline: 0.35em;
    padding: 0.5em 0.15em;
  }

  /* Hero rings pull back and quiet down behind the text. */
  .sf-hero--split::before {
    inset-block-start: -20%;
    inset-inline-end: -45%;
    opacity: 0.22;
  }

  .sf-hero__media::before { inset: -0.7rem; }

  .sf-chart--bar .sf-chart__row {
    grid-template-columns: minmax(6rem, 1fr) 2fr auto;
  }

  .sf-tabs__nav { border-radius: var(--sf-radius); }

  .sf-timeline li { padding-inline-start: 1.35rem; }
}

@media (min-width: 1024px) {
  .sf-pros-cons { grid-template-columns: 1fr 1fr; }

  header nav a,
  .site-header nav a { font-size: 0.94rem; }
}

/* ---------- 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 !important; }

  html { scroll-padding-top: 0; }
}