/* ravit.ai — shared article stylesheet.
   Single source of truth for every /articles page (hubs + He/EN articles).
   Uses design tokens from /tokens.css; RTL/LTR-safe via logical properties;
   theme-aware (light/dark) and reduced-motion aware. */

* { box-sizing: border-box; }

/* ============================================================
   Reading-progress bar (injected by article-enhance.js)
   ============================================================ */
.reading-progress {
  position: fixed;
  inset-block-start: 0;
  inset-inline-start: 0;
  block-size: 3px;
  inline-size: 0;
  z-index: 40;
  background: linear-gradient(90deg, var(--purple-400), var(--purple-600));
  border-end-end-radius: var(--radius-pill);
  border-start-end-radius: var(--radius-pill);
  transition: inline-size 120ms linear;
  pointer-events: none;
}
@media (prefers-reduced-motion: reduce) { .reading-progress { transition: none; } }

/* ============================================================
   Article layout + typography
   ============================================================ */
.article {
  max-width: 768px;
  margin: 0 auto;
  padding: clamp(28px, 5vw, 64px) clamp(20px, 5vw, 56px) clamp(48px, 6vw, 88px);
}

.article-shell {
  max-width: 1240px;
  margin: 0 auto;
  padding-inline: clamp(20px, 4vw, 48px);
}
/* The shell only becomes a grid at 1080px; until then the guide keeps its own
   measure so tablet widths do not stretch the prose to the full container. */
.article-shell > .article {
  margin: 0;
  padding-inline: 0;
}
.article-shell.is-hub > .article { max-width: none; }

@media (min-width: 1080px) {
  .article-shell {
    display: grid;
    grid-template-columns: minmax(0, 760px) 272px;
    justify-content: center;
    gap: clamp(40px, 5vw, 80px);
  }
  .article-shell > .article { max-width: none; }
  .article-shell.is-hub { display: block; }
  .article-shell.is-hub > .article { max-width: 940px; margin-inline: auto; }
}
.article h1 {
  font: var(--text-display);
  font-size: clamp(31px, 3.8vw, 46px);
  line-height: 1.1;
  letter-spacing: var(--ls-tight);
  margin: 0 0 14px;
  text-wrap: balance;
}
.article h2 {
  position: relative;
  font: var(--fw-bold) var(--fs-h3)/1.25 var(--font-sans);
  font-size: clamp(21px, 2.4vw, 27px);
  color: var(--ink-900);
  letter-spacing: var(--ls-tight);
  margin: 44px 0 12px;
  padding-inline-start: 16px;
  text-wrap: balance;
  scroll-margin-top: 84px;
}
.article h2::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  inset-block: 6px;
  inline-size: 5px;
  border-radius: var(--radius-pill);
  background: linear-gradient(180deg, var(--purple-400), var(--purple-600));
}
.article p, .article li {
  font: var(--text-body);
  font-size: 18px;
  line-height: 1.75;
  color: var(--ink-700);
}
.article p { margin: 0 0 18px; text-wrap: pretty; }

/* Lead paragraph — the first paragraph after the H1 reads larger + calmer */
.article > p:first-of-type,
.article .lead {
  font: var(--fw-regular) var(--fs-lead)/var(--lh-relaxed) var(--font-sans);
  color: var(--ink-900);
  margin-block-end: 24px;
}

/* Lists with soft purple markers */
.article ul, .article ol { padding-inline-start: 4px; margin: 0 0 18px; }
.article ul { list-style: none; }
.article ul > li {
  position: relative;
  padding-inline-start: 26px;
  margin-block-end: 10px;
}
.article ul > li::before {
  content: "";
  position: absolute;
  inset-inline-start: 6px;
  inset-block-start: 0.62em;
  inline-size: 7px;
  block-size: 7px;
  border-radius: 50%;
  background: var(--purple-400);
}
.article ol { padding-inline-start: 22px; }
.article ol > li { margin-block-end: 10px; padding-inline-start: 4px; }
.article ol > li::marker { color: var(--purple-500); font-weight: var(--fw-bold); }
.article li strong { color: var(--ink-900); }

/* Links — quiet by default, purple underline on hover.
   Scoped to running text so buttons and cards keep their own treatment. */
.article p a, .article li a, .article td a {
  color: var(--text-link);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--text-link) 35%, transparent);
  text-underline-offset: 3px;
  transition: text-decoration-color var(--dur-fast) var(--ease-soft);
}
.article p a:hover, .article li a:hover, .article td a:hover { text-decoration-color: var(--text-link); }

/* ============================================================
   Hero key visual — aspect-ratio reserved so it never shifts layout
   ============================================================ */
.hero-visual {
  display: block;
  inline-size: 100%;
  block-size: auto;
  aspect-ratio: 1200 / 260;
  margin: 6px 0 30px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-soft);
  background: var(--surface-sunken);
  object-fit: cover;
}

/* ============================================================
   Clause rail — sticky margin index (desktop) + collapsible panel (narrow)
   ============================================================ */
.rail { display: none; }
/* The aside fills the column so its sticky child has room to travel. */
.rail-inner {
  position: sticky;
  inset-block-start: 88px;
  padding-block: clamp(28px, 5vw, 64px) 0;
}
@media (min-width: 1080px) { .rail { display: block; } }

.rail-title {
  margin: 0 0 14px;
  font: var(--fw-bold) var(--fs-overline)/1 var(--font-sans);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--text-muted);
}
.rail-toc { list-style: none; margin: 0 0 24px; padding: 0; border-inline-start: 1px solid var(--border-soft); }
.rail-toc li { margin: 0; }
.rail-toc a {
  position: relative;
  display: flex;
  gap: 9px;
  padding: 7px 14px 7px 0;
  padding-inline-start: 14px;
  padding-inline-end: 0;
  font: var(--fw-medium) var(--fs-body-sm)/1.45 var(--font-sans);
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-soft);
}
.rail-toc a::before {
  content: "";
  position: absolute;
  inset-inline-start: -1px;
  inset-block: 4px;
  inline-size: 2px;
  background: transparent;
  transition: background var(--dur-fast) var(--ease-soft);
}
.rail-toc a:hover { color: var(--text-primary); }
.rail-toc .num {
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
  font-weight: var(--fw-bold);
  color: var(--ink-300);
  transition: color var(--dur-fast) var(--ease-soft);
}
.rail-toc a[aria-current="true"] { color: var(--text-primary); font-weight: var(--fw-semibold); }
.rail-toc a[aria-current="true"]::before { background: var(--yellow-300); }
.rail-toc a[aria-current="true"] .num { color: var(--purple-500); }

/* Narrow screens: the same index, collapsed into the flow */
.toc-inline {
  margin: 0 0 28px;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  background: var(--surface-card);
  overflow: hidden;
}
@media (min-width: 1080px) { .toc-inline { display: none; } }
.toc-inline > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  cursor: pointer;
  list-style: none;
  font: var(--fw-semibold) var(--fs-body-sm)/1.3 var(--font-sans);
  color: var(--ink-900);
}
.toc-inline > summary::-webkit-details-marker { display: none; }
.toc-inline > summary .chev {
  inline-size: 18px; block-size: 18px;
  color: var(--purple-500);
  transition: transform var(--dur-base) var(--ease-soft);
}
.toc-inline[open] > summary .chev { transform: rotate(180deg); }
.toc-inline ol { margin: 0; padding: 0 18px 16px; padding-inline-start: 34px; }
.toc-inline li { margin-block-end: 8px; }
.toc-inline a { font: var(--fs-body-sm)/1.5 var(--font-sans); color: var(--text-secondary); text-decoration: none; }
.toc-inline a:hover { color: var(--text-link); text-decoration: underline; }
@media (prefers-reduced-motion: reduce) { .toc-inline > summary .chev { transition: none; } }

/* ============================================================
   Rail CTA
   ============================================================ */
.rail-cta {
  padding: 20px 18px;
  background: var(--panel-gradient);
  border: 1px solid var(--border-purple);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  text-align: center;
}
.rail-cta p {
  margin: 0 0 14px;
  font: var(--fw-semibold) var(--fs-body-sm)/1.5 var(--font-sans);
  color: var(--ink-900);
  text-wrap: pretty;
}
.wa-btn-sm {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  inline-size: 100%;
  min-block-size: 44px;
  padding: 11px 16px;
  font: var(--fw-semibold) var(--fs-body-sm)/1 var(--font-sans);
  border-radius: var(--radius-pill);
  background: var(--cta-whatsapp);
  color: #fff;
  text-decoration: none;
  box-shadow: var(--shadow-whatsapp);
  transition: transform var(--dur-fast) var(--ease-soft), filter var(--dur-fast) var(--ease-soft);
}
.wa-btn-sm:hover { transform: translateY(-1px); filter: brightness(1.05); }
.wa-btn-sm svg { flex-shrink: 0; }

/* Every WhatsApp button carries the same sweep, so the three placements read
   as one action rather than three different affordances. */
.cta .wa-btn::before, .wa-btn-sm::before {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  left: -45%;
  width: 32%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,0.40), transparent);
  transform: skewX(-18deg);
  animation: waSheen 4.6s ease-in-out infinite;
  pointer-events: none;
}
@keyframes waSheen { 0% { left: -45%; } 20%, 100% { left: 135%; } }
@media (prefers-reduced-motion: reduce) {
  .cta .wa-btn::before, .wa-btn-sm::before { animation: none; display: none; }
}

/* ============================================================
   Top CTA — deliberately quieter than the closing CTA
   ============================================================ */
.cta-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px 20px;
  margin: 0 0 32px;
  padding: 16px 20px;
  background: var(--panel-gradient);
  border: 1px solid var(--border-purple);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}
.cta-top p {
  flex: 1 1 260px;
  margin: 0;
  font: var(--fw-semibold) var(--fs-body-sm)/1.5 var(--font-sans);
  font-size: 16px;
  color: var(--ink-900);
  text-wrap: pretty;
}
.cta-top .wa-btn-sm { inline-size: auto; padding-inline: 22px; }

/* ============================================================
   Mobile CTA bar
   ============================================================ */
.cta-bar {
  position: fixed;
  inset-inline: 0;
  inset-block-end: 0;
  z-index: 35;
  display: flex;
  padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border-soft);
  transform: translateY(120%);
  transition: transform var(--dur-base) var(--ease-soft);
}
.cta-bar.is-visible { transform: translateY(0); }
.cta-bar .wa-btn-sm { min-block-size: 48px; font-size: var(--fs-body); }
@media (min-width: 1080px) { .cta-bar { display: none; } }
@media (prefers-reduced-motion: reduce) { .cta-bar { transition: none; } }
body.has-cta-bar .to-top { inset-block-end: 84px; }

/* ============================================================
   Breadcrumb (injected by article-enhance.js)
   ============================================================ */
.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  font: var(--fw-medium) var(--fs-caption)/1.4 var(--font-sans);
  color: var(--text-muted);
}
.crumbs a { color: var(--text-secondary); text-decoration: none; }
.crumbs a:hover { color: var(--text-link); text-decoration: underline; }
.crumbs .sep { color: var(--ink-300); }
.crumbs [aria-current="page"] { color: var(--text-primary); }

/* Reading-time / meta row (injected by article-enhance.js) */
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin: 0 0 30px;
  font: var(--fw-medium) var(--fs-caption)/1.4 var(--font-sans);
  color: var(--text-muted);
}
.article-meta .pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: var(--surface-purple-soft);
  color: var(--text-brand);
  border-radius: var(--radius-pill);
}
.article-meta svg { inline-size: 13px; block-size: 13px; }
.article-meta .dateline { color: var(--text-muted); }

/* ============================================================
   Key-takeaways callout (new articles)
   ============================================================ */
.takeaways {
  margin: 28px 0 8px;
  padding: 22px 24px;
  background: var(--surface-purple-soft);
  border: 1px solid var(--border-purple);
  border-radius: var(--radius-lg);
}
.takeaways h2 {
  margin: 0 0 12px;
  padding: 0;
  font: var(--fw-bold) var(--fs-h4)/1.25 var(--font-sans);
  color: var(--text-brand);
}
.takeaways h2::before { display: none; }
.takeaways ul { margin: 0; padding: 0; }
.takeaways ul > li { color: var(--ink-700); }
.takeaways ul > li::before { background: var(--purple-500); }

/* ============================================================
   Disclaimer
   ============================================================ */
.disclaimer {
  margin: 36px 0 0;
  padding: 16px 18px;
  background: var(--surface-sunken);
  border: 1px solid var(--border-soft);
  border-inline-start: 4px solid var(--border-strong);
  border-radius: var(--radius-md);
  font: var(--fs-body-sm)/1.6 var(--font-sans);
  color: var(--text-muted);
}

/* ============================================================
   FAQ — progressively enhanced into accordions by article-enhance.js.
   Falls back to plain visible Q/A when JS is off (good for SEO + a11y).
   ============================================================ */
.faq { margin-top: 48px; padding-top: 28px; border-top: 1px solid var(--border-soft); }
.faq > h2 { margin-top: 0; }
.faq h3 {
  font: var(--fw-semibold) var(--fs-body)/1.35 var(--font-sans);
  color: var(--ink-900);
  margin: 20px 0 6px;
}
.faq details {
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  background: var(--surface-card);
  margin: 0 0 12px;
  overflow: hidden;
  transition: border-color var(--dur-fast) var(--ease-soft), box-shadow var(--dur-fast) var(--ease-soft);
}
.faq details[open] { border-color: var(--border-purple); box-shadow: var(--shadow-soft); }
.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 20px;
  cursor: pointer;
  list-style: none;
  font: var(--fw-semibold) var(--fs-body)/1.35 var(--font-sans);
  color: var(--ink-900);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary .chev {
  flex-shrink: 0;
  inline-size: 20px;
  block-size: 20px;
  color: var(--purple-500);
  transition: transform var(--dur-base) var(--ease-soft);
}
.faq details[open] summary .chev { transform: rotate(180deg); }
.faq .faq-body { padding: 0 20px 18px; }
.faq .faq-body p { margin: 0; color: var(--ink-700); }
@media (prefers-reduced-motion: reduce) { .faq summary .chev { transition: none; } }

/* ============================================================
   Related articles (new articles)
   ============================================================ */
.related { margin-top: 48px; padding-top: 28px; border-top: 1px solid var(--border-soft); }
.related h2 { margin: 0 0 16px; padding: 0; font: var(--fw-bold) var(--fs-h4)/1.25 var(--font-sans); color: var(--ink-900); }
.related h2::before { display: none; }
.related-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 14px; }

/* Base card = progressive-enhancement fallback: with JS off (or the index
   fetch failing) hand-authored blocks render as bare text links, so the base
   keeps its own padding + typography and never sits flush to the border. */
.related-card {
  display: block;
  padding: 15px 18px;
  background: var(--surface-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  text-decoration: none;
  color: var(--ink-900);
  font: var(--fw-semibold) var(--fs-body-sm)/1.4 var(--font-sans);
  transition: transform var(--dur-fast) var(--ease-soft), border-color var(--dur-fast) var(--ease-soft), box-shadow var(--dur-base) var(--ease-soft);
}
.related-card:hover { transform: translateY(-3px); border-color: var(--border-purple); box-shadow: var(--shadow-float); text-decoration: none; }

/* Rich card (JS on): thumbnail + title + snippet, mirroring the hub cards.
   Padding lives on .related-body, never on the clamped text, so -webkit-line-
   clamp does not leak a sliver of a third line under the bottom padding. */
.related-card--rich { display: flex; flex-direction: column; padding: 0; overflow: hidden; font: inherit; }
.related-thumb {
  inline-size: 100%;
  block-size: 122px;
  object-fit: cover;
  border-block-end: 1px solid var(--border-soft);
}
.related-body { display: flex; flex-direction: column; gap: 6px; padding: 15px 17px 17px; }
.related-title {
  font: var(--fw-bold) var(--fs-body)/1.35 var(--font-sans);
  color: var(--ink-900);
  text-wrap: pretty;
}
.related-desc {
  margin: 0;
  font: var(--fw-regular) var(--fs-body-sm)/1.55 var(--font-sans);
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}
@media (max-width: 620px) {
  .related-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   Article-hub card list (/articles + /articles/en)
   ============================================================ */
.article > p { font: var(--text-body); color: var(--ink-700); }
/* One guide per row: the motif reads at a useful size and the titles line up. */
.card-list { display: grid; grid-template-columns: 1fr; gap: 14px; list-style: none; margin: 8px 0 0; padding: 0; }
/* Cards are links, not running text — opt them out of the list and link rules */
.article .card-list > li { padding-inline-start: 0; margin-block-end: 0; }
.article .card-list > li::before { content: none; }
.article .card-list a, .article .card-list a:hover { text-decoration: none; }
.card-list li {
  overflow: hidden;
  min-block-size: 132px;
  background: var(--surface-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: transform var(--dur-fast) var(--ease-soft), box-shadow var(--dur-base) var(--ease-soft), border-color var(--dur-fast) var(--ease-soft);
}
.card-list li:hover { transform: translateY(-3px); box-shadow: var(--shadow-float); border-color: var(--border-purple); }
/* The motif is positioned rather than laid out, so its intrinsic square size
   cannot dictate how tall the row becomes. */
.card-list a {
  position: relative;
  display: block;
  padding: 20px 26px;
  padding-inline-start: calc(190px + 26px);
  text-decoration: none;
  block-size: 100%;
}
.card-thumb {
  position: absolute;
  inset-block: 0;
  inset-inline-start: 0;
  inline-size: 190px;
  block-size: 100%;
  object-fit: cover;
  border-inline-end: 1px solid var(--border-soft);
}
.card-list h2 {
  font: var(--fw-bold) var(--fs-h4)/1.3 var(--font-sans);
  font-size: 20px;
  color: var(--ink-900);
  margin: 0 0 6px;
  padding: 0;
  text-wrap: pretty;
}
.card-list h2::before { display: none; }
/* Two lines is enough to tell guides apart; the full text stays in the DOM. */
.card-list p {
  font: var(--fs-body-sm)/1.6 var(--font-sans);
  color: var(--text-secondary);
  margin: 0;
  padding: 0;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}
@media (max-width: 640px) {
  .card-list li { min-block-size: 0; }
  .card-list a { padding: 0 0 18px; }
  .card-thumb {
    position: static;
    inline-size: 100%;
    block-size: 112px;
    border-inline-end: 0;
    border-block-end: 1px solid var(--border-soft);
  }
  .card-list h2 { padding: 16px 20px 0; font-size: 18px; }
  .card-list p { padding: 6px 20px 0; }
}

/* ============================================================
   Article-hub search + pagination (progressive; injected by JS)
   ============================================================ */
.hub-tools { margin: 20px 0 4px; }
.hub-search { position: relative; display: flex; align-items: center; }
.hub-search-icon {
  position: absolute;
  inset-inline-start: 16px;
  color: var(--text-muted);
  pointer-events: none;
}
.hub-search-input {
  inline-size: 100%;
  padding: 14px 18px;
  padding-inline-start: 46px;
  /* leave room for the absolutely-positioned clear button (30px + 10px offset) */
  padding-inline-end: 46px;
  font: var(--fw-medium) var(--fs-body)/1.2 var(--font-sans);
  color: var(--ink-900);
  background: var(--surface-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-xs);
  appearance: none;
  transition: border-color var(--dur-fast) var(--ease-soft), box-shadow var(--dur-fast) var(--ease-soft);
}
.hub-search-input::placeholder { color: var(--text-muted); }
.hub-search-input:hover { border-color: var(--border-purple); }
.hub-search-input:focus { border-color: var(--purple-400); box-shadow: var(--shadow-soft); outline: none; }
.hub-search-input::-webkit-search-cancel-button { -webkit-appearance: none; appearance: none; }
.hub-search-clear {
  position: absolute;
  inset-inline-end: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  inline-size: 30px;
  block-size: 30px;
  padding: 0;
  color: var(--text-muted);
  background: transparent;
  border: 0;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease-soft), background var(--dur-fast) var(--ease-soft);
}
.hub-search-clear:hover { color: var(--ink-900); background: var(--surface-sunken); }
/* [hidden] must win over the display rules above */
.hub-search-clear[hidden] { display: none; }
/* Scoped under .article to win over the `.article p` body-paragraph rule. */
.article .hub-count {
  margin: 12px 2px 2px;
  font: var(--fw-medium) var(--fs-body-sm)/1.4 var(--font-sans);
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}
.article .hub-empty {
  margin: 28px 0;
  padding: 32px 28px;
  text-align: center;
  font: var(--fw-medium) var(--fs-body)/1.5 var(--font-sans);
  color: var(--text-secondary);
  background: var(--surface-card);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-lg);
}

/* Load-more (reveal in place, no page jump) */
.hub-more {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-block-start: 36px;
}
.article .hub-showing {
  margin: 0;
  font: var(--fw-medium) var(--fs-body-sm)/1.4 var(--font-sans);
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}
.hub-showing[hidden] { display: none; }
.load-more {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-inline-size: 200px;
  padding: 13px 30px;
  font: var(--fw-semibold) var(--fs-body)/1 var(--font-sans);
  color: var(--text-brand);
  background: var(--surface-card);
  border: 1.5px solid var(--border-purple);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-xs);
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease-soft), background var(--dur-fast) var(--ease-soft), border-color var(--dur-fast) var(--ease-soft), box-shadow var(--dur-fast) var(--ease-soft), transform var(--dur-fast) var(--ease-soft);
}
.load-more:hover {
  color: var(--text-on-purple);
  background: var(--purple-600);
  border-color: var(--purple-600);
  box-shadow: var(--shadow-soft);
  transform: translateY(-1px);
}
.load-more[hidden] { display: none; }
@media (prefers-reduced-motion: reduce) {
  .load-more:hover { transform: none; }
}

/* ============================================================
   CTA (WhatsApp) — unchanged behaviour, refined surface
   ============================================================ */
.cta {
  margin-top: 48px;
  padding: 34px 26px;
  background: var(--panel-gradient);
  border: 1px solid var(--border-purple);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  text-align: center;
}
.cta .cta-lead { max-width: 480px; margin: 0 auto; font: var(--fw-semibold) var(--fs-lead)/1.5 var(--font-sans); color: var(--ink-900); text-wrap: pretty; }
.cta .wa-btn {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 48px;
  min-height: 56px;
  margin-top: 18px;
  font: var(--fw-semibold) var(--fs-h4)/1 var(--font-sans);
  border-radius: var(--radius-pill);
  text-decoration: none;
  white-space: nowrap;
  background: var(--cta-whatsapp);
  color: #fff;
  border: 2px solid transparent;
  box-shadow: var(--shadow-whatsapp);
  transition: transform var(--dur-fast) var(--ease-soft), filter var(--dur-fast) var(--ease-soft), box-shadow var(--dur-fast) var(--ease-soft);
}
.cta .wa-btn:hover { transform: translateY(-1px); filter: brightness(1.05); }
.cta .cta-note { margin: 14px 0 0; font: var(--fs-body-sm)/1.6 var(--font-sans); color: var(--text-muted); }
.cta .cta-note a { color: var(--text-link); }

/* ============================================================
   Header controls
   ============================================================ */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  padding: 0;
  flex-shrink: 0;
  background: transparent;
  color: var(--ink-700);
  border: 1.5px solid var(--border-soft);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease-soft), color var(--dur-fast) var(--ease-soft);
}
.theme-toggle:hover { border-color: var(--border-purple); color: var(--purple-500); }
.lang-switch {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 7px 15px;
  color: var(--ink-700);
  border: 1.5px solid var(--border-soft);
  border-radius: var(--radius-pill);
  font: var(--fw-medium) var(--fs-body-sm)/1 var(--font-sans);
  text-decoration: none;
  transition: border-color var(--dur-fast) var(--ease-soft), color var(--dur-fast) var(--ease-soft);
}
.lang-switch:hover { border-color: var(--border-purple); color: var(--purple-500); text-decoration: none; }

/* ============================================================
   Back-to-top button (injected by article-enhance.js)
   ============================================================ */
.to-top {
  position: fixed;
  inset-block-end: 22px;
  inset-inline-end: 22px;
  z-index: 30;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  inline-size: 44px;
  block-size: 44px;
  background: var(--surface-card);
  color: var(--purple-600);
  border: 1px solid var(--border-purple);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-card);
  cursor: pointer;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity var(--dur-base) var(--ease-soft), transform var(--dur-base) var(--ease-soft);
}
.to-top.is-visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
@media (prefers-reduced-motion: reduce) { .to-top { transition: opacity var(--dur-base) linear; transform: none; } }

@media (max-width: 480px) {
  .articles-link { display: none; }
  .cta .wa-btn { width: 100%; padding: 16px 20px; }
  .cta-top { flex-direction: column; align-items: stretch; }
  .cta-top p { flex: 0 0 auto; }
  .cta-top .wa-btn-sm { inline-size: 100%; }
}