/* zippy.app Blog — Editorial Runner system
   Compartilhado entre /blog/index.html e todos os posts */

:root {
  --cream: #f3ece0;
  --paper: #ffffff;
  --ink: #141210;
  --ink-soft: rgba(20, 18, 16, 0.7);
  --line: rgba(20, 18, 16, 0.15);
  --lime: #d7ff3a;
  --coral: #ff5a3c;
  --sky: #4a80ff;
  --plum: #5b3aa3;
  --whats: #25d366;
  --whats-dark: #128c7e;

  --display: 'Anton', 'Arial Black', sans-serif;
  --body: 'Inter', system-ui, -apple-system, sans-serif;
  --mono: 'JetBrains Mono', monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }
body {
  font-family: var(--body);
  background: var(--cream);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.55;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; }

/* === TYPE === */
.display { font-family: var(--display); letter-spacing: -0.02em; line-height: 0.92; text-transform: uppercase; }
.mono { font-family: var(--mono); }

/* === NAV === */
.b-nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 40px;
  border-bottom: 2px solid var(--ink);
  background: var(--cream);
}
.b-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.b-logo img { width: 36px; height: 36px; object-fit: contain; }
.b-logo span { font-family: var(--display); font-size: 22px; letter-spacing: -0.02em; }
.b-nav-links { display: flex; gap: 24px; align-items: center; font-size: 14px; font-weight: 500; }
.b-nav-links a { text-decoration: none; color: var(--ink); }
.b-nav-links .b-nav-cta { color: var(--cream); }
.b-nav-links a.active { background: var(--lime); padding: 4px 10px; border-radius: 6px; }
.b-nav-cta {
  background: var(--ink); color: var(--cream);
  padding: 7px 18px; border-radius: 999px;
  font-weight: 700; font-size: 13px; text-decoration: none;
  border: none; cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
}
.b-nav-cta:hover { transform: translate(-2px, -2px); box-shadow: 4px 4px 0 var(--lime); }
@media (max-width: 900px) {
  .b-nav { padding: 14px 20px; }
  .b-nav-links { gap: 14px; }
  .b-nav-links a:not(.b-nav-cta) { display: none; }
}

/* === BREADCRUMBS === */
.b-crumb {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 28px;
}
.b-crumb a { text-decoration: none; color: var(--ink-soft); border-bottom: 1px solid currentColor; }
.b-crumb a:hover { color: var(--ink); }
.b-crumb span { margin: 0 8px; opacity: 0.5; }

/* === CHIPS / TAGS === */
.b-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px;
  border: 1.5px solid var(--ink);
  border-radius: 999px;
  font-size: 11px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.08em;
  background: var(--cream);
  text-decoration: none; color: var(--ink);
}
.b-chip.lime { background: var(--lime); }
.b-chip.coral { background: var(--coral); color: var(--cream); border-color: var(--coral); }
.b-chip.ink { background: var(--ink); color: var(--cream); border-color: var(--ink); }

/* === BUTTONS === */
.b-btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 26px;
  background: var(--ink); color: var(--cream);
  border-radius: 999px;
  font-weight: 700; font-size: 14px;
  text-decoration: none; border: 2px solid var(--ink);
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
  font-family: inherit;
}
.b-btn:hover { transform: translate(-2px, -2px); box-shadow: 4px 4px 0 var(--lime); }
.b-btn-lime { background: var(--lime); color: var(--ink); }
.b-btn-lime:hover { box-shadow: 4px 4px 0 var(--ink); }
.b-btn-whats { background: var(--whats); color: #fff; border-color: var(--whats); }
.b-btn-whats:hover { box-shadow: 4px 4px 0 var(--ink); }
.b-btn-ghost { background: transparent; color: var(--ink); }
.b-btn-ghost:hover { background: var(--lime); box-shadow: 4px 4px 0 var(--ink); }

/* === BLOG INDEX HERO === */
.b-index-hero {
  padding: 80px 40px 60px;
  border-bottom: 2px solid var(--ink);
  position: relative;
}
.b-index-hero .wrap { max-width: 1300px; margin: 0 auto; display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: end; }
.b-index-hero h1 { font-family: var(--display); font-size: clamp(64px, 11vw, 180px); margin: 16px 0 0; }
.b-index-hero h1 .ital { color: var(--coral); font-style: italic; }
.b-index-hero h1 .hl { background: var(--lime); padding: 0 10px; display: inline-block; transform: rotate(-1.5deg); }
.b-index-hero p { font-size: 18px; max-width: 460px; line-height: 1.5; padding-bottom: 12px; }
.b-index-hero .stats {
  display: flex; gap: 28px; margin-top: 30px; padding-top: 22px;
  border-top: 2px solid var(--ink);
  font-family: var(--mono);
}
.b-index-hero .stats > div { display: flex; flex-direction: column; gap: 4px; }
.b-index-hero .stats .num { font-family: var(--display); font-size: 36px; line-height: 1; }
.b-index-hero .stats .lbl { font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; opacity: 0.6; }
@media (max-width: 900px) {
  .b-index-hero { padding: 50px 20px; }
  .b-index-hero .wrap { grid-template-columns: 1fr; }
  .b-index-hero p { padding-bottom: 0; }
}

/* === FEATURED POST === */
.b-featured {
  padding: 60px 40px;
  border-bottom: 2px solid var(--ink);
}
.b-featured .wrap { max-width: 1300px; margin: 0 auto; }

.b-blog-kicker {
  display: flex; flex-direction: column; gap: 14px;
  margin-bottom: 32px;
  padding-bottom: 22px;
  border-bottom: 2px solid var(--ink);
}
.b-blog-kicker .kicker-row {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 16px;
}
.b-blog-kicker .kicker-stats {
  font-family: var(--mono); font-size: 12px;
  text-transform: uppercase; letter-spacing: 0.08em;
  opacity: 0.7;
}
.b-blog-kicker .kicker-stats strong {
  font-family: var(--display); font-size: 22px;
  vertical-align: -2px; padding: 0 4px;
  opacity: 1;
}
.b-featured-card {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 50px;
  align-items: center;
  background: var(--ink); color: var(--cream);
  border-radius: 28px; padding: 50px;
  position: relative; overflow: hidden;
}
.b-featured-card .label {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--lime); margin-bottom: 16px;
}
.b-featured-card h2 {
  font-family: var(--display); font-size: clamp(40px, 5vw, 72px);
  margin-bottom: 20px; line-height: 0.95; text-transform: uppercase;
}
.b-featured-card h2 a { color: inherit; text-decoration: none; }
.b-featured-card h2 a:hover { color: var(--lime); }
.b-featured-card p { font-size: 17px; line-height: 1.55; opacity: 0.85; margin-bottom: 24px; }
.b-featured-card .meta { font-family: var(--mono); font-size: 12px; opacity: 0.6; margin-bottom: 20px; text-transform: uppercase; letter-spacing: 0.06em; }
.b-featured-visual {
  background: var(--coral);
  border-radius: 20px;
  aspect-ratio: 4/5;
  position: relative;
  overflow: hidden;
  display: flex; align-items: end; justify-content: center;
}
.b-featured-visual::before {
  content: ''; position: absolute; inset: 0;
  background-image: radial-gradient(circle, rgba(20,18,16,0.25) 1.5px, transparent 1.5px);
  background-size: 14px 14px;
  opacity: 0.6;
}
.b-featured-visual img { position: relative; width: 80%; max-width: 320px; }
.b-featured-visual .word {
  position: absolute; top: 30px; left: 30px; right: 30px;
  font-family: var(--display); font-size: 18vw;
  color: var(--cream); opacity: 0.18;
  text-transform: uppercase; line-height: 0.85; pointer-events: none;
}
@media (max-width: 900px) {
  .b-featured { padding: 30px 20px; }
  .b-featured-card { grid-template-columns: 1fr; padding: 30px; }
  .b-featured-visual { aspect-ratio: 3/2; }
  .b-featured-visual img { width: 60%; }
}

/* === BLOG GRID === */
.b-grid-section { padding: 60px 40px; }
.b-grid-section .wrap { max-width: 1300px; margin: 0 auto; }
.b-grid-section .head {
  display: flex; justify-content: space-between; align-items: end;
  border-bottom: 2px solid var(--ink); padding-bottom: 16px; margin-bottom: 40px;
  flex-wrap: wrap; gap: 20px;
}
.b-grid-section .head h2 { font-family: var(--display); font-size: clamp(32px, 5vw, 56px); }
.b-grid-section .head .filter { font-family: var(--mono); font-size: 12px; opacity: 0.5; text-transform: uppercase; letter-spacing: 0.1em; }

.b-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}
.b-card {
  background: var(--cream);
  border: 2px solid var(--ink);
  border-radius: 18px;
  padding: 26px 26px 24px;
  display: flex; flex-direction: column; gap: 12px;
  text-decoration: none; color: var(--ink);
  transition: transform 0.18s, box-shadow 0.18s;
  position: relative;
  overflow: hidden;
}
.b-card:hover { transform: translate(-4px, -4px); box-shadow: 8px 8px 0 var(--ink); }
.b-card .b-card-tag {
  align-self: flex-start;
  font-family: var(--mono); font-size: 11px; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 4px 10px; border-radius: 6px;
  background: var(--lime); color: var(--ink);
}
.b-card.coral .b-card-tag { background: var(--coral); color: var(--cream); }
.b-card.sky .b-card-tag { background: var(--sky); color: var(--cream); }
.b-card.plum .b-card-tag { background: var(--plum); color: var(--cream); }
.b-card.ink .b-card-tag { background: var(--ink); color: var(--lime); }

.b-card h3 {
  font-family: var(--display); font-size: 26px;
  line-height: 1; text-transform: uppercase;
  letter-spacing: -0.01em;
  margin: 4px 0;
}
.b-card p { font-size: 14px; line-height: 1.55; flex: 1; opacity: 0.85; }
.b-card .b-card-meta {
  font-family: var(--mono); font-size: 11px; opacity: 0.55;
  text-transform: uppercase; letter-spacing: 0.08em;
  display: flex; gap: 12px;
  margin-top: 8px;
  padding-top: 14px; border-top: 1.5px solid var(--line);
}
.b-card .b-card-arrow {
  position: absolute; top: 24px; right: 24px;
  font-size: 20px; opacity: 0.4;
  transition: transform 0.2s, opacity 0.2s;
}
.b-card:hover .b-card-arrow { opacity: 1; transform: translate(4px, -4px); }

/* === CTA BAR === */
.b-cta-bar {
  background: var(--ink); color: var(--cream);
  padding: 80px 40px;
  position: relative; overflow: hidden;
}
.b-cta-bar .wrap { max-width: 1100px; margin: 0 auto; text-align: center; position: relative; }
.b-cta-bar h2 { font-family: var(--display); font-size: clamp(56px, 10vw, 140px); line-height: 0.92; margin-bottom: 18px; text-transform: uppercase; }
.b-cta-bar h2 .hl { background: var(--lime); color: var(--ink); padding: 0 14px; display: inline-block; transform: rotate(-2deg); }
.b-cta-bar p { font-size: 19px; max-width: 540px; margin: 0 auto 32px; opacity: 0.85; }

.b-cta-bar::before, .b-cta-bar::after {
  content: ''; position: absolute;
  background: var(--lime); border-radius: 50%;
}
.b-cta-bar::before { width: 200px; height: 200px; top: -60px; right: 10%; opacity: 0.08; }
.b-cta-bar::after { width: 160px; height: 160px; bottom: -50px; left: 8%; background: var(--coral); opacity: 0.12; }

/* === FOOTER === */
.b-footer {
  background: var(--ink); color: var(--cream);
  padding: 50px 40px 30px;
  border-top: 2px solid var(--ink);
}
.b-footer .wrap { max-width: 1300px; margin: 0 auto; }
.b-footer .row {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px;
  padding-bottom: 30px; border-bottom: 1px solid rgba(243,236,224,0.15);
}
.b-footer .brand { display: flex; flex-direction: column; gap: 10px; }
.b-footer .brand-row { display: flex; align-items: center; gap: 10px; }
.b-footer .brand-row span { font-family: var(--display); font-size: 26px; }
.b-footer .brand p { font-size: 13px; opacity: 0.6; max-width: 280px; }
.b-footer h4 { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--lime); margin-bottom: 14px; }
.b-footer .col a { display: block; font-size: 14px; opacity: 0.7; text-decoration: none; padding: 4px 0; }
.b-footer .col a:hover { opacity: 1; color: var(--lime); }
.b-footer .bottom { padding-top: 22px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-family: var(--mono); font-size: 11px; opacity: 0.5; }
@media (max-width: 900px) {
  .b-footer .row { grid-template-columns: 1fr 1fr; gap: 24px; }
  .b-footer .brand { grid-column: 1 / -1; }
}
@media (max-width: 480px) {
  .b-footer .row { grid-template-columns: 1fr; }
}

/* ============================================ */
/* === POST PAGE LAYOUT ===================== */
/* ============================================ */

.b-post-hero {
  padding: 50px 40px 40px;
  border-bottom: 2px solid var(--ink);
}
.b-post-hero .wrap { max-width: 1300px; margin: 0 auto; }
.b-post-hero h1 {
  font-family: var(--display);
  font-size: clamp(44px, 7vw, 110px);
  line-height: 0.95;
  margin: 18px 0 24px;
  max-width: 18ch;
}
.b-post-hero h1 .hl { background: var(--lime); padding: 0 10px; display: inline-block; transform: rotate(-1deg); }
.b-post-hero h1 .ital { color: var(--coral); font-style: italic; }
.b-post-hero .lede {
  font-size: 22px; line-height: 1.4;
  max-width: 800px;
  margin: 0 0 32px;
  font-weight: 400;
}
.b-post-hero .meta-row {
  display: flex; gap: 28px;
  flex-wrap: wrap; align-items: center;
  font-family: var(--mono); font-size: 12px;
  text-transform: uppercase; letter-spacing: 0.08em;
  padding-top: 22px; border-top: 2px solid var(--ink);
}
.b-post-hero .meta-row .author { display: flex; align-items: center; gap: 10px; }
.b-post-hero .meta-row .author img { width: 32px; height: 32px; border-radius: 50%; border: 1.5px solid var(--ink); object-fit: cover; }
.b-post-hero .meta-row .author span { font-weight: 700; }
.b-post-hero .meta-row .meta-item { opacity: 0.65; }
.b-post-hero .meta-row .meta-item strong { font-weight: 700; opacity: 1; }

/* === POST BODY (with TOC sidebar) === */
.b-post-body {
  padding: 60px 40px;
}
.b-post-body .wrap {
  max-width: 1300px; margin: 0 auto;
  display: grid; grid-template-columns: 240px 1fr;
  gap: 80px;
}
@media (max-width: 1000px) {
  .b-post-body { padding: 40px 20px; }
  .b-post-body .wrap { grid-template-columns: 1fr; gap: 30px; }
}

/* TOC */
.b-toc {
  position: sticky; top: 90px;
  align-self: start;
  font-family: var(--mono);
  font-size: 13px;
  max-height: calc(100vh - 110px);
  overflow-y: auto;
}
.b-toc h4 {
  font-size: 11px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-soft); margin-bottom: 16px; font-weight: 700;
}
.b-toc ol { list-style: none; counter-reset: toc; }
.b-toc li { counter-increment: toc; margin-bottom: 12px; line-height: 1.4; }
.b-toc li::before {
  content: counter(toc, decimal-leading-zero) " / ";
  font-weight: 700; opacity: 0.4;
}
.b-toc a {
  text-decoration: none; color: var(--ink);
  border-bottom: 1px solid transparent;
  transition: color 0.15s, border 0.15s;
}
.b-toc a:hover, .b-toc a.active { color: var(--coral); border-color: currentColor; }
@media (max-width: 1000px) {
  .b-toc {
    position: static; max-height: none;
    border: 2px solid var(--ink); border-radius: 14px;
    padding: 20px; background: var(--cream);
  }
}

/* Article prose */
.b-prose { max-width: 740px; font-size: 18px; line-height: 1.7; }
.b-prose > * + * { margin-top: 1.2em; }
.b-prose h2 {
  font-family: var(--display);
  font-size: clamp(34px, 4.5vw, 56px);
  line-height: 1; text-transform: uppercase;
  letter-spacing: -0.01em;
  margin-top: 2.2em; margin-bottom: 0.4em;
  border-top: 2px solid var(--ink);
  padding-top: 0.7em;
}
.b-prose h2:first-of-type { border-top: none; padding-top: 0; margin-top: 0; }
.b-prose h2 .num {
  display: inline-block; font-size: 0.4em; vertical-align: top;
  font-family: var(--mono); color: var(--coral); margin-right: 14px;
  letter-spacing: 0;
}
.b-prose h3 {
  font-family: var(--display);
  font-size: 26px; line-height: 1.1; text-transform: uppercase;
  margin-top: 1.6em; margin-bottom: 0.3em;
}
.b-prose h4 {
  font-family: var(--body); font-weight: 700;
  font-size: 18px; margin-top: 1.4em; margin-bottom: 0.2em;
}
.b-prose p { font-size: 18px; line-height: 1.7; }
.b-prose p:first-of-type::first-letter {
  font-family: var(--display);
  font-size: 4.2em; line-height: 0.85;
  float: left; margin-right: 10px; margin-top: 4px;
  color: var(--coral);
}
.b-prose strong { font-weight: 700; }
.b-prose em { font-style: italic; }
.b-prose a { color: var(--ink); border-bottom: 2px solid var(--lime); text-decoration: none; padding: 0 2px; }
.b-prose a:hover { background: var(--lime); }
.b-prose ul, .b-prose ol { padding-left: 1.5em; }
.b-prose ul li, .b-prose ol li { margin-bottom: 0.5em; line-height: 1.6; }
.b-prose ul li::marker { color: var(--coral); }
.b-prose ol li::marker { color: var(--coral); font-weight: 700; }

.b-prose hr { border: none; border-top: 2px solid var(--ink); margin: 2em 0; }

/* Pull quotes */
.b-pullquote {
  margin: 2em -20px;
  padding: 30px 28px;
  background: var(--lime);
  border: 2px solid var(--ink);
  border-radius: 18px;
  font-family: var(--display);
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.05;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  position: relative;
}
.b-pullquote::before {
  content: '"';
  position: absolute; top: -22px; left: 18px;
  font-family: var(--display);
  font-size: 70px;
  background: var(--ink); color: var(--lime);
  width: 50px; height: 50px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%; line-height: 1;
}

/* Callouts */
.b-callout {
  margin: 2em 0;
  padding: 24px 26px 24px 70px;
  background: var(--cream);
  border: 2px solid var(--ink);
  border-radius: 16px;
  position: relative;
  font-size: 16px; line-height: 1.55;
  box-shadow: 4px 4px 0 var(--ink);
}
.b-callout::before {
  content: ''; position: absolute;
  left: 22px; top: 24px;
  width: 32px; height: 32px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
}
.b-callout .b-callout-label {
  font-family: var(--mono);
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  margin-bottom: 6px;
  color: var(--coral);
}
.b-callout p { font-size: 16px; line-height: 1.55; margin: 0; }
.b-callout p + p { margin-top: 0.7em; }

.b-callout.zippy { background: var(--lime); border-color: var(--ink); }
.b-callout.zippy::before { content: '🦝'; background: var(--ink); color: var(--lime); }
.b-callout.zippy .b-callout-label { color: var(--ink); }

.b-callout.warn { background: var(--coral); color: var(--cream); border-color: var(--ink); }
.b-callout.warn::before { content: '!'; background: var(--ink); color: var(--coral); font-family: var(--display); font-size: 22px; font-weight: 700; }
.b-callout.warn .b-callout-label { color: var(--cream); }
.b-callout.warn a { color: var(--cream); border-color: var(--cream); }

.b-callout.info { background: var(--ink); color: var(--cream); }
.b-callout.info::before { content: 'i'; background: var(--lime); color: var(--ink); font-family: var(--display); font-size: 22px; }
.b-callout.info .b-callout-label { color: var(--lime); }
.b-callout.info a { color: var(--lime); border-color: var(--lime); }

/* Inline mid-CTA inside posts */
.b-mid-cta {
  margin: 3em 0;
  padding: 36px 32px;
  background: var(--ink); color: var(--cream);
  border-radius: 22px;
  display: grid; grid-template-columns: 1fr auto;
  gap: 24px; align-items: center;
  position: relative; overflow: hidden;
}
.b-mid-cta h3 { font-family: var(--display); font-size: clamp(26px, 3.5vw, 38px); line-height: 1; margin-bottom: 8px; text-transform: uppercase; }
.b-mid-cta h3 .hl { background: var(--lime); color: var(--ink); padding: 0 8px; }
.b-mid-cta p { font-size: 15px; opacity: 0.8; margin: 0; max-width: 460px; }
@media (max-width: 900px) { .b-mid-cta { grid-template-columns: 1fr; padding: 26px 22px; } }

/* Tables */
.b-prose table { width: 100%; border-collapse: collapse; margin: 1.5em 0; font-size: 15px; }
.b-prose th, .b-prose td { padding: 12px 14px; text-align: left; border-bottom: 1.5px solid var(--line); }
.b-prose th { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; background: var(--ink); color: var(--cream); border-bottom: none; }
.b-prose tbody tr:nth-child(odd) { background: rgba(20,18,16,0.04); }

/* Blockquote */
.b-prose blockquote {
  border-left: 4px solid var(--coral);
  padding: 6px 0 6px 20px;
  font-style: italic;
  font-size: 19px;
  color: var(--ink-soft);
  margin: 1.5em 0;
}

/* === RELATED POSTS === */
.b-related {
  padding: 60px 40px;
  border-top: 2px solid var(--ink);
}
.b-related .wrap { max-width: 1300px; margin: 0 auto; }
.b-related .head {
  display: flex; justify-content: space-between; align-items: end;
  margin-bottom: 40px; padding-bottom: 16px;
  border-bottom: 2px solid var(--ink);
  flex-wrap: wrap; gap: 20px;
}
.b-related .head h2 { font-family: var(--display); font-size: clamp(32px, 5vw, 56px); }
.b-related .head a { font-family: var(--mono); font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; text-decoration: none; border-bottom: 2px solid var(--ink); padding-bottom: 2px; }
.b-related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 900px) { .b-related-grid { grid-template-columns: 1fr; } }

/* Reading progress bar */
.b-progress {
  position: fixed; top: 0; left: 0;
  height: 3px; background: var(--coral);
  width: 0%; z-index: 100;
  transition: width 0.05s linear;
}

/* ============================================ */
/* === MOBILE RESPONSIVE OVERRIDES =========== */
/* ============================================ */

@media (max-width: 900px) {
  .b-grid-section { padding: 40px 20px; }
  .b-grid { grid-template-columns: 1fr; gap: 20px; }
  .b-related { padding: 40px 20px; }
  .b-cta-bar { padding: 60px 24px; }
  .b-cta-bar h2 { font-size: clamp(44px, 12vw, 72px); }
  .b-cta-bar p { font-size: 17px; }
  .b-post-hero { padding: 36px 20px 32px; }
  .b-post-hero h1 { font-size: clamp(36px, 11vw, 64px); margin: 12px 0 20px; }
  .b-post-hero .lede { font-size: 18px; }
  .b-post-hero .meta-row { gap: 16px; padding-top: 18px; font-size: 11px; }
  .b-prose { font-size: 17px; }
  .b-prose p { font-size: 17px; }
  .b-prose h2 { font-size: clamp(28px, 8vw, 40px); margin-top: 1.6em; padding-top: 0.6em; }
  .b-prose h2 .num { font-size: 0.45em; margin-right: 10px; }
  .b-prose h3 { font-size: 22px; }
  .b-pullquote { margin: 1.5em 0; padding: 22px 22px; font-size: clamp(20px, 5vw, 26px); }
  .b-callout { padding: 20px 20px 20px 64px; font-size: 15px; }
  .b-mid-cta { padding: 26px 22px; }
  .b-mid-cta h3 { font-size: clamp(22px, 6vw, 30px); }
  .b-prose table { font-size: 13px; display: block; overflow-x: auto; white-space: nowrap; }
  .b-prose th, .b-prose td { padding: 10px 12px; }
  .b-featured-card h2 { font-size: clamp(32px, 8vw, 48px); }
  .b-featured-card p { font-size: 16px; }
  .b-blog-kicker { margin-bottom: 24px; padding-bottom: 16px; }
  .b-blog-kicker .kicker-stats { font-size: 11px; }
  .b-blog-kicker .kicker-stats strong { font-size: 18px; }
  .b-index-hero h1 { font-size: clamp(48px, 13vw, 80px); }
  .b-index-hero .stats { gap: 18px; flex-wrap: wrap; }
  .b-index-hero .stats .num { font-size: 28px; }
}

@media (max-width: 560px) {
  .b-nav { padding: 12px 16px; }
  .b-logo span { font-size: 18px; }
  .b-logo img { width: 30px; height: 30px; }
  .b-nav-cta { padding: 8px 14px; font-size: 12px; }
  .b-index-hero { padding: 36px 18px; }
  .b-featured { padding: 24px 18px; }
  .b-featured-card { padding: 24px 20px; border-radius: 20px; }
  .b-featured-visual { aspect-ratio: 4/3; }
  .b-grid-section { padding: 32px 16px; }
  .b-grid { gap: 16px; }
  .b-card { padding: 22px 22px 20px; }
  .b-card h3 { font-size: 22px; }
  .b-related { padding: 32px 16px; }
  .b-cta-bar { padding: 50px 18px; }
  .b-post-hero { padding: 28px 16px 24px; }
  .b-post-body { padding: 32px 16px; }
  .b-toc { padding: 16px; font-size: 12px; }
  .b-prose { font-size: 16px; }
  .b-prose p { font-size: 16px; line-height: 1.65; }
  .b-prose p:first-of-type::first-letter { font-size: 3.4em; }
  .b-pullquote { padding: 20px 18px; font-size: 19px; }
  .b-pullquote::before { width: 40px; height: 40px; font-size: 50px; top: -18px; }
  .b-callout { padding: 18px 18px 18px 56px; }
  .b-callout::before { left: 16px; top: 18px; width: 28px; height: 28px; font-size: 16px; }
  .b-mid-cta { padding: 22px 18px; border-radius: 18px; }
  .b-footer { padding: 36px 18px 24px; }
  .b-footer .row { grid-template-columns: 1fr; gap: 24px; }
  .b-footer .bottom { flex-direction: column; gap: 8px; }
}