/* =============================================================================
   styles.css — shared patterns across joannaprescott.com.
   Loaded AFTER tokens.css on every page.
   Page-specific layout stays in the page's inline <style> block.

   Update once, propagate everywhere. Never duplicate these rules in pages.
   ============================================================================= */

/* === RESET === */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html, body { height: 100%; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--font-ui);
  color: var(--ink);
  background: var(--paper);
  font-feature-settings: 'kern' 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; display: block; }
a    { color: inherit; text-decoration: none; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 var(--page-gutter); }

/* === HEADINGS === */
h1, h2, h3 {
  font-family: var(--font-display);
  line-height: var(--lh-tight);
}

/* === HEADER (sticky brand + nav) === */
.header {
  position: sticky; top: 0; z-index: 100;
  background: var(--paper);
  border-bottom: 1px solid var(--hairline);
}
.header__row {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--s-4);
  padding: var(--s-4) 0;
}
.brand__name {
  font-family: var(--font-display);
  font-size: 18px;
  font-variation-settings: 'wght' 500, 'opsz' 18;
  letter-spacing: 0.05em;
  color: var(--ink-deep);
}
.nav { display: flex; align-items: center; gap: var(--s-3); }
.nav a {
  font-family: var(--font-ui);
  font-size: 14px;
  color: var(--ink-soft);
  padding: var(--s-2) var(--s-3);
  letter-spacing: 0.02em;
  transition: color var(--motion-base);
}
.nav a:hover {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}
.nav a.is-current { color: var(--ink); }
.menuBtn {
  display: none;
  border: 1px solid var(--hairline-strong);
  background: transparent;
  padding: var(--s-2) var(--s-4);
  cursor: pointer;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
  transition: background var(--motion-base);
}
.menuBtn:hover { background: var(--paper-band); }
.mobileNav {
  display: none;
  padding: var(--s-2) 0 var(--s-4);
  border-top: 1px solid var(--hairline);
}
.mobileNav a {
  display: block;
  padding: var(--s-3) var(--s-2);
  font-family: var(--font-ui);
  font-size: 15px;
  color: var(--ink-soft);
}
.mobileNav.isOpen { display: block; }
@media (max-width: 860px) {
  .nav { display: none; }
  .menuBtn { display: inline-flex; align-items: center; }
}

/* === BUTTONS ===
   Update one rule here, every CTA on every page changes. */
.btn {
  display: inline-flex; align-items: center; gap: var(--s-2);
  padding: var(--s-4) var(--s-7);
  border: none;
  font-family: var(--font-ui);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background var(--motion-base), transform var(--motion-base), box-shadow var(--motion-base), border-color var(--motion-base), color var(--motion-base);
  white-space: nowrap;
  text-decoration: none;
}
.btn--primary {
  background: var(--primary);
  color: var(--paper);
}
.btn--primary:hover {
  background: var(--primary-deep);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.32);
}
.btn--accent {
  background: var(--accent);
  color: var(--paper);
}
.btn--accent:hover {
  background: var(--accent-deep);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(236, 72, 153, 0.32);
}
.btn--ghost {
  background: transparent;
  color: var(--ink);
  border: 2px solid var(--ink);
}
.btn--ghost:hover {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.ctaRow { display: flex; flex-wrap: wrap; gap: var(--s-3); margin-top: var(--s-6); }

/* === EYEBROW (uppercase letterspaced, color via modifier) === */
.eyebrow {
  font-family: var(--font-ui);
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: var(--s-3);
}
.eyebrow--primary   { color: var(--primary); }
.eyebrow--accent    { color: var(--accent-ink); }
.eyebrow--highlight { color: var(--highlight-ink); }
.eyebrow--warm      { color: var(--warm); }

/* === AGE TAGS (option A) — color-coded pill, brand signature for "kids ages X" ===
   Use --primary (Money 4–7), --accent (Entrepreneurship 7–12),
   --highlight (Financial Literacy 4–7). Drop the modifier where it lives
   on a per-book CSS variable (e.g. .bookCard inherits --book-card-accent). */
.age-tag {
  display: inline-flex; align-items: center;
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  padding: 4px 10px 3px;
  border: 1.5px solid currentColor;
  background: transparent;
  border-radius: 999px;
  color: var(--primary);
  white-space: nowrap;
  font-variant-numeric: tabular-nums lining-nums;
  font-feature-settings: 'tnum' 1, 'lnum' 1, 'kern' 1;
}
.age-tag--primary   { color: var(--primary-deep); }
.age-tag--accent    { color: var(--accent-deep); }
.age-tag--highlight { color: var(--highlight-ink); }
.age-tag--ghost     { color: var(--ink-soft); }

/* === EDITORIAL PRICE (option C) — Newsreader figures + warm dollar sign ===
   Use as: <span class="price"><span class="price__currency">$</span>14.99</span>
   For "from": <span class="price"><span class="price__lead">From</span> <span class="price__currency">$</span>9.99</span>
   For free: <span class="price price--free">Free</span> */
.price {
  display: inline-flex; align-items: baseline; gap: 1px;
  font-family: var(--font-display);
  font-variation-settings: 'wght' 540, 'opsz' 24;
  font-size: 1em;
  color: var(--ink-deep);
  font-variant-numeric: tabular-nums lining-nums;
  font-feature-settings: 'tnum' 1, 'lnum' 1, 'kern' 1;
}
.price__lead {
  font-style: italic;
  font-variation-settings: 'wght' 360, 'opsz' 18;
  font-size: 0.78em;
  color: var(--ink-soft);
  margin-right: 6px;
  letter-spacing: 0;
}
.price__currency {
  font-style: italic;
  font-variation-settings: 'wght' 380, 'opsz' 14;
  font-size: 0.65em;
  color: var(--warm);
  position: relative; top: -0.35em;
  margin-right: 1px;
}
.price--free {
  font-style: italic;
  font-variation-settings: 'wght' 460, 'opsz' 24;
  color: var(--warm);
}

/* === FOOTER === */
.footer {
  border-top: 1px solid var(--hairline);
  padding: var(--s-6) 0;
  background: var(--paper);
}
.footer__row {
  display: flex; align-items: baseline; justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--s-4);
  font-family: var(--font-ui);
  font-size: var(--fs-micro);
  color: var(--ink-soft);
  letter-spacing: 0.02em;
}
.footer a { color: var(--ink-soft); }
.footer a:hover {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}
.footer__row--secondary {
  margin-top: var(--s-3);
  justify-content: flex-start;
  gap: var(--s-5);
}
.footer .micro { color: var(--ink-soft); }

/* === JOANNA MARK (decorative SVG referenced from /assets/sprite.svg) === */
.joanna-mark {
  display: block;
  width: 64px;
  height: auto;
  color: var(--primary);
}
.joanna-mark--block { margin: var(--s-7) auto; }
.joanna-mark--sm    { width: 32px; }
.joanna-mark--lg    { width: 96px; }

/* === LETTER SIGNATURE ===
   Used at the close of opt-in / confirmation / delivery letter pages.
   `.signature-name` is the handwritten SVG; `currentColor` inside the symbol
   means CSS controls the ink color via this rule. Update once, propagate to
   all 5 letter pages. Bordered variant is set per-page via `.signature-block`
   override (bonus-money/entrepreneur add border-top above the block). */
.signature-block { margin-top: var(--s-9); }
.signature-block .closing-line {
  font-family: var(--font-display);
  font-style: italic;
  font-variation-settings: 'wght' 360, 'opsz' 18;
  color: var(--ink-soft);
  margin-bottom: var(--s-3);
}
.signature-name {
  display: block;
  width: clamp(180px, 22vw, 240px);
  height: auto;
  aspect-ratio: 1699 / 607;
  margin-top: var(--s-2);
  /* Color is baked into /assets/joanna-signature.svg as fill="#BE185D" (--accent-ink).
     To change the ink color, edit the fill attribute on the root <svg> element of
     that file. Using <img src> instead of <svg><use> for max compatibility across
     hosting environments — external <use href> can fail silently on some servers
     (MIME type, CSP, or stricter shadow-tree handling). */
}

/* === READING BAR (scroll-driven, used on book/article pages) === */
@property --scroll-progress { syntax: '<number>'; inherits: true; initial-value: 0; }
@keyframes grow-progress { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.readingBar {
  position: fixed; top: 0; left: 0;
  width: 100%; height: 2px;
  background: var(--primary);
  transform-origin: 0 50%;
  transform: scaleX(0);
  z-index: 200;
  animation: grow-progress linear both;
  animation-timeline: scroll(root block);
}

/* === COMMON KEYFRAMES === */
@keyframes fade-up   { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes cover-in  { from { opacity: 0; transform: scale(0.96); }    to { opacity: 1; transform: scale(1); } }
@keyframes reveal-up { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: translateY(0); } }

/* === FOCUS VISIBLE (accessibility) === */
:focus-visible {
  outline: 3px solid rgba(37, 99, 235, 0.5);
  outline-offset: 3px;
}

/* === REDUCED MOTION === */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* === UTILITIES === */
.num-tabular {
  font-variant-numeric: tabular-nums lining-nums;
  font-feature-settings: 'tnum' 1, 'lnum' 1, 'kern' 1;
}
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0, 0, 0, 0); white-space: nowrap;
  border: 0;
}

/* =============================================================================
   ARTICLE PAGES (/articles/<slug>.html)
   Shared styles for the long-form blog post pattern. Each article page is
   slim — just <head> meta + the article markup. All layout below comes from here.
   ============================================================================= */

.articleWrap {
  max-width: var(--measure);
  margin: 0 auto;
  padding: var(--s-9) var(--page-gutter) var(--s-10);
}

.article__back {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-ui);
  font-size: var(--fs-micro);
  font-weight: 500;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
  margin-bottom: var(--s-7);
  transition: color var(--motion-base);
}
.article__back:hover {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.article__label {
  font-family: var(--font-ui);
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: var(--s-3);
}

.article__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 1.5rem + 2vw, 3.25rem);
  font-variation-settings: 'wght' 540, 'opsz' 72;
  line-height: var(--lh-tight);
  letter-spacing: -0.015em;
  color: var(--ink-deep);
  margin: 0 0 var(--s-4);
}
.article__title em {
  font-style: italic;
  font-variation-settings: 'wght' 480, 'opsz' 72;
  color: var(--warm);
}

.article__byline {
  font-family: var(--font-display);
  font-style: italic;
  font-variation-settings: 'wght' 360, 'opsz' 18;
  font-size: var(--fs-body);
  color: var(--ink-soft);
  margin-bottom: var(--s-6);
}

.article__hero {
  margin: var(--s-7) 0 var(--s-8);
}
.article__hero img {
  width: 100%;
  height: auto;
  filter: drop-shadow(8px 12px 0 var(--ink-veil));
  background: var(--paper-band);
}

/* The article body — Newsreader serif prose, comfortable measure for reading. */
.article__body {
  font-family: var(--font-display);
  font-size: var(--fs-body);
  font-variation-settings: 'wght' 400, 'opsz' 18;
  line-height: var(--lh-loose);
  color: var(--ink);
}
.article__body > p { margin: 0 0 1.4em; }
.article__body em { font-style: italic; color: var(--ink); }
.article__body strong { font-variation-settings: 'wght' 600, 'opsz' 18; }

.article__body h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 1.3rem + 0.8vw, 2rem);
  font-variation-settings: 'wght' 540, 'opsz' 36;
  letter-spacing: -0.005em;
  line-height: var(--lh-snug);
  color: var(--ink-deep);
  margin: 2em 0 0.7em;
  position: relative;
  padding-top: var(--s-6);
}
.article__body h2::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 32px; height: 3px;
  background: var(--primary);
}
.article__body h2 em {
  font-style: italic;
  font-variation-settings: 'wght' 480, 'opsz' 36;
  color: var(--warm);
}

.article__body h3 {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--fs-h3);
  font-variation-settings: 'wght' 480, 'opsz' 24;
  line-height: var(--lh-snug);
  color: var(--ink);
  margin: 1.6em 0 0.5em;
}

.article__body ul, .article__body ol {
  list-style: none;
  margin: 0 0 1.4em;
  padding: 0;
}
.article__body ul li, .article__body ol li {
  position: relative;
  padding-left: var(--s-6);
  margin-bottom: var(--s-3);
}
.article__body ul li::before {
  content: '';
  position: absolute;
  left: 0; top: 0.7em;
  width: 16px; height: 2px;
  background: var(--accent);
}
.article__body ol { counter-reset: item; }
.article__body ol li {
  counter-increment: item;
}
.article__body ol li::before {
  content: counter(item) '.';
  position: absolute;
  left: 0; top: 0;
  font-family: var(--font-ui);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--primary);
}

.article__body blockquote {
  margin: var(--s-7) 0;
  padding: 0 0 0 var(--s-5);
  border-left: 3px solid var(--accent);
  font-style: italic;
  font-variation-settings: 'wght' 400, 'opsz' 18;
  color: var(--ink);
}
.article__body blockquote p { margin: 0 0 0.8em; }
.article__body blockquote p:last-child { margin: 0; }

.article__body a {
  color: var(--accent-ink);
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 4px;
  transition: text-decoration-color var(--motion-base);
}
.article__body a:hover { text-decoration-color: var(--accent-ink); }

/* Visual section break — subtle hairline rule between sections. */
.article__body hr {
  border: 0;
  border-top: 1px solid var(--hairline-strong);
  margin: var(--s-8) 0;
}

/* Article-end CTA block — pushes toward the relevant book. */
.article__cta {
  margin-top: var(--s-9);
  padding: var(--s-7) var(--s-6);
  background: var(--paper-cool);
  border-left: 3px solid var(--primary);
}
.article__cta__eyebrow {
  font-family: var(--font-ui);
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: var(--s-3);
}
.article__cta__paragraph {
  font-family: var(--font-display);
  font-size: var(--fs-body);
  line-height: var(--lh-loose);
  color: var(--ink);
  margin-bottom: var(--s-5);
}
.article__cta__paragraph em {
  font-style: italic;
  color: var(--warm);
}
.article__cta__paragraph a {
  color: var(--accent-ink);
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 4px;
}

/* Related articles section — injected by article-enhancements.js. */
.relatedArticles {
  max-width: var(--max);
  margin: var(--s-10) auto 0;
  padding: var(--s-7) var(--page-gutter);
  border-top: 1px solid var(--hairline);
}
.relatedArticles__eyebrow {
  font-family: var(--font-ui);
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: var(--s-6);
  text-align: center;
}
.blogPreview {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-6);
}
@media (max-width: 800px) { .blogPreview { grid-template-columns: 1fr; } }

/* Article card — used in related-articles + on the homepage "From the blog". */
.articleCard {
  display: flex; flex-direction: column;
  text-decoration: none;
  color: var(--ink);
  transition: transform var(--motion-base);
}
.articleCard:hover { transform: translateY(-4px); }
.articleCard__img {
  margin-bottom: var(--s-4);
  background: var(--paper-band);
}
.articleCard__img img {
  width: 100%; height: auto;
  aspect-ratio: 1200 / 630;
  object-fit: cover;
  filter: drop-shadow(6px 8px 0 var(--ink-veil));
  transition: filter var(--motion-base);
}
.articleCard:hover .articleCard__img img {
  filter: drop-shadow(8px 12px 0 var(--ink-veil));
}
.articleCard__body { display: flex; flex-direction: column; gap: var(--s-2); }
.articleCard__meta {
  font-family: var(--font-ui);
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--primary);
}
.articleCard__title {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-variation-settings: 'wght' 540, 'opsz' 24;
  letter-spacing: -0.005em;
  line-height: var(--lh-snug);
  color: var(--ink-deep);
  transition: color var(--motion-base);
}
.articleCard:hover .articleCard__title { color: var(--primary); }
.articleCard__excerpt {
  font-family: var(--font-display);
  font-style: italic;
  font-variation-settings: 'wght' 380, 'opsz' 18;
  font-size: var(--fs-body);
  line-height: var(--lh-snug);
  color: var(--ink-soft);
}
.articleCard__link {
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 0.02em;
  margin-top: var(--s-2);
  transition: transform var(--motion-base);
}
.articleCard:hover .articleCard__link { transform: translateX(4px); }