/* ============================================================
   Bluebox Ghost Theme — screen.css
   Design tokens mirror ~/AIFirst/bluebox-website/src/styles/tokens.css
   Dark-mode first. Brand: #32D6EC (cyan) · #1966FF (blue) · #02D394 (green)
   ============================================================ */

/* ── Fonts ─────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── Design Tokens ─────────────────────────────────────────── */
:root {
  /* Backgrounds */
  --bb-bg-main:       #0B1020;
  --bb-bg-surface:    #111D35;
  --bb-bg-elevated:   #0E1A30;
  --bb-bg-dark:       #0B1020;
  --bb-bg-ink:        #060C18;

  /* Borders */
  --bb-border-muted:         rgba(255, 255, 255, 0.10);
  --bb-border-subtle:        rgba(255, 255, 255, 0.06);
  --bb-border-default:       rgba(255, 255, 255, 0.10);
  --bb-border-dark-subtle:   rgba(255, 255, 255, 0.08);
  --bb-border-dark-pale:     rgba(255, 255, 255, 0.20);
  --bb-border-dark-mid:      rgba(255, 255, 255, 0.40);

  /* Text */
  --bb-text-primary:        #F0F6FC;
  --bb-text-secondary:      rgba(240, 246, 252, 0.82);
  --bb-text-tertiary:       rgba(240, 246, 252, 0.56);
  --bb-text-on-dark:        #F0F6FC;
  --bb-text-on-dark-muted:  rgba(240, 246, 252, 0.65);
  --bb-text-on-dark-subtle: rgba(240, 246, 252, 0.35);

  /* Brand accent — Cyan */
  --bb-accent:       #32D6EC;
  --bb-accent-hover: #28ABBD;
  --bb-accent-wash:  rgba(50, 214, 236, 0.12);
  --bb-accent-glow:  rgba(50, 214, 236, 0.22);

  /* Secondary — Blue */
  --bb-violet:       #1966FF;
  --bb-violet-hover: #1452CC;
  --bb-violet-wash:  rgba(25, 102, 255, 0.12);

  /* Tertiary — Green */
  --bb-turquoise:      #02D394;
  --bb-turquoise-wash: rgba(2, 211, 148, 0.12);

  /* Signal */
  --bb-signal:      #FF4D6A;
  --bb-signal-wash: rgba(255, 77, 106, 0.10);

  /* Chip colours */
  --bb-chip-detect-bg:   rgba(50, 214, 236, 0.14);
  --bb-chip-detect-text: #32D6EC;
  --bb-chip-rel-bg:      rgba(25, 102, 255, 0.14);
  --bb-chip-rel-text:    #1966FF;
  --bb-chip-when-bg:     rgba(2, 211, 148, 0.14);
  --bb-chip-when-text:   #02D394;

  /* Navbar */
  --bb-navbar-bg: rgba(11, 16, 32, 0.25);

  /* Typography */
  --bb-font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --bb-font-mono: 'JetBrains Mono', ui-monospace, monospace;
  --bb-text-2xs: 0.68rem;
  --bb-text-xs:  0.72rem;
  --bb-text-sm:  0.85rem;
  --bb-text-base: 0.95rem;
  --bb-text-lg:  1rem;
  --bb-text-xl:  1.15rem;
  --bb-text-2xl: clamp(1.6rem, 3vw, 2.25rem);

  /* Layout */
  --bb-width-wide:    1440px;
  --bb-width-content: 720px;

  /* Radii */
  --bb-radius:    10px;
  --bb-radius-lg: 14px;

  /* Shadows */
  --bb-shadow-card:       0 1px 3px rgba(0,0,0,0.4), 0 4px 16px rgba(0,0,0,0.3);
  --bb-shadow-card-hover: 0 8px 32px rgba(0,0,0,0.5);
  --bb-shadow-hero:       0 8px 40px rgba(0,0,0,0.6);
  --bb-shadow-accent:     0 10px 28px rgba(25, 102, 255, 0.25);

  /* Animation */
  --bb-ease:          cubic-bezier(0.4, 0, 0.2, 1);
  --bb-duration-fast: 150ms;
  --bb-duration-base: 250ms;
  --bb-duration-slow: 400ms;
}


/* ── Base reset ────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  background-color: #0B1020;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bb-bg-main);
  color: var(--bb-text-primary);
  font-family: var(--bb-font-body);
  font-size: 1rem;
  line-height: 1.6;
  transition: background-color var(--bb-duration-base) var(--bb-ease),
              color var(--bb-duration-base) var(--bb-ease);
}

a {
  color: var(--bb-accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

/* ── Skip nav ──────────────────────────────────────────────── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border-width: 0;
}

/* ── Layout container ──────────────────────────────────────── */
.bb-container {
  max-width: var(--bb-width-wide);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

@media (min-width: 640px) {
  .bb-container { padding-inline: 2.5rem; }
}

/* ── Typography utilities ──────────────────────────────────── */
.bb-text-2xs  { font-size: var(--bb-text-2xs); }
.bb-text-xs   { font-size: var(--bb-text-xs); }
.bb-text-sm   { font-size: var(--bb-text-sm); }
.bb-text-base { font-size: var(--bb-text-base); }
.bb-text-lg   { font-size: var(--bb-text-lg); }
.bb-text-xl   { font-size: var(--bb-text-xl); }
.bb-text-2xl  { font-size: var(--bb-text-2xl); }

.bb-section-title {
  font-size: var(--bb-text-2xl);
  line-height: 1.12;
  letter-spacing: -0.03em;
  font-weight: 600;
  color: var(--bb-text-primary);
  margin-bottom: 24px;
}

.bb-section-copy {
  font-size: var(--bb-text-base);
  line-height: 1.65;
  color: var(--bb-text-secondary);
}

.bb-copy-muted    { color: var(--bb-text-secondary); }
.bb-copy-tertiary { color: var(--bb-text-tertiary); }

/* ── Buttons ───────────────────────────────────────────────── */
.bb-primary-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  background: var(--bb-violet);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  padding: 0.875rem 1.5rem;
  border-radius: 999px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background-color var(--bb-duration-base) var(--bb-ease),
              box-shadow var(--bb-duration-base) var(--bb-ease);
}

.bb-primary-cta:hover {
  background: var(--bb-violet-hover);
  text-decoration: none;
  box-shadow: 0 10px 28px rgba(25, 102, 255, 0.35);
}

.bb-primary-cta:focus-visible {
  outline: 2px solid var(--bb-accent);
  outline-offset: 2px;
}

.bb-primary-cta--small {
  padding: 0.625rem 1.5rem;
  font-size: 0.8rem;
}

.bb-secondary-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.5rem;
  border-radius: 999px;
  border: 1px solid var(--bb-border-muted);
  color: var(--bb-text-primary);
  text-decoration: none;
  background: transparent;
  cursor: pointer;
  transition: background-color var(--bb-duration-base) var(--bb-ease),
              border-color var(--bb-duration-base) var(--bb-ease);
}

.bb-secondary-cta:hover {
  background: var(--bb-accent-wash);
  border-color: var(--bb-accent);
  text-decoration: none;
}

/* ── Cards ─────────────────────────────────────────────────── */
.bb-card-shell {
  background: var(--bb-bg-surface);
  border: 1px solid var(--bb-border-muted);
  border-radius: var(--bb-radius-lg);
  box-shadow: var(--bb-shadow-card);
}

.bb-card-shell--hover {
  transition: box-shadow var(--bb-duration-base) var(--bb-ease),
              transform var(--bb-duration-base) var(--bb-ease);
}

.bb-card-shell--hover:hover {
  box-shadow: var(--bb-shadow-card-hover);
  transform: translateY(-2px);
}

/* ── Chips ─────────────────────────────────────────────────── */
.bb-chip {
  display: inline-block;
  font-size: var(--bb-text-2xs);
  font-weight: 500;
  padding: 2px 10px;
  border-radius: 999px;
  letter-spacing: 0.02em;
  font-family: var(--bb-font-mono);
}

.bb-chip--detect { background: var(--bb-chip-detect-bg); color: var(--bb-chip-detect-text); }
.bb-chip--rel    { background: var(--bb-chip-rel-bg);    color: var(--bb-chip-rel-text); }
.bb-chip--when   { background: var(--bb-chip-when-bg);   color: var(--bb-chip-when-text); }

/* ── Fade in ───────────────────────────────────────────────── */
.bb-fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.bb-fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .bb-fade-in { opacity: 1; transform: none; transition: none; }
}

/* ══════════════════════════════════════════════════════════════
   NAVBAR
   ══════════════════════════════════════════════════════════════ */
.bb-navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bb-navbar-bg);
  border-bottom: 1px solid var(--bb-border-muted);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: background-color var(--bb-duration-base) var(--bb-ease);
}

.bb-navbar-inner {
  max-width: var(--bb-width-wide);
  margin-inline: auto;
  padding-inline: 1.5rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

@media (min-width: 640px) {
  .bb-navbar-inner { padding-inline: 2.5rem; }
}

.bb-navbar-brand {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-shrink: 0;
}

.bb-navbar-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  flex-shrink: 0;
}

.bb-navbar-logo img {
  height: 40px;
  width: auto;
  display: block;
}

.bb-navbar-logo:hover { text-decoration: none; }

/* Desktop nav wrapper */
.bb-navbar-nav {
  display: none;
  align-items: center;
}

@media (min-width: 768px) {
  .bb-navbar-nav { display: flex; }
}

/* Ghost outputs <ul class="nav"><li>…</li></ul> — reset everything */
.bb-navbar-nav .nav {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.bb-navbar-nav .nav li { margin: 0; padding: 0; }

.bb-nav-link,
.bb-navbar-nav .nav a {
  font-size: var(--bb-text-base);
  color: var(--bb-text-secondary);
  font-weight: 450;
  text-decoration: none;
  transition: color var(--bb-duration-fast) ease;
}

.bb-nav-link:hover,
.bb-navbar-nav .nav a:hover {
  color: var(--bb-text-primary);
  text-decoration: none;
}

.bb-nav-link[aria-current="page"],
.bb-navbar-nav .nav-current a {
  color: var(--bb-accent);
  font-weight: 500;
}

/* Navbar actions */
.bb-navbar-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}


/* Mobile menu toggle */
.bb-nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  border-radius: 0.5rem;
  background: transparent;
  border: none;
  color: var(--bb-text-secondary);
  cursor: pointer;
  transition: color var(--bb-duration-fast) ease,
              background var(--bb-duration-fast) ease;
}

.bb-nav-toggle:hover {
  color: var(--bb-text-primary);
  background: var(--bb-accent-wash);
}

@media (min-width: 768px) {
  .bb-nav-toggle { display: none; }
}

/* Mobile menu */
.bb-mobile-menu {
  display: none;
  border-top: 1px solid var(--bb-border-muted);
  background: var(--bb-bg-main);
}

.bb-mobile-menu.is-open {
  display: block;
}

/* Mobile nav — Ghost outputs .nav ul inside, reset bullets */
.bb-mobile-menu .nav {
  list-style: none;
  margin: 0;
  padding: 1rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.bb-mobile-menu .nav li { padding: 0; margin: 0; }

.bb-mobile-nav-link,
.bb-mobile-menu .nav a {
  display: block;
  padding: 0.625rem 0.75rem;
  border-radius: 0.5rem;
  font-size: var(--bb-text-base);
  color: var(--bb-text-secondary);
  font-weight: 450;
  text-decoration: none;
  transition: color var(--bb-duration-fast) ease,
              background var(--bb-duration-fast) ease;
}

.bb-mobile-nav-link:hover,
.bb-mobile-menu .nav a:hover {
  color: var(--bb-text-primary);
  background: var(--bb-accent-wash);
  text-decoration: none;
}

.bb-mobile-menu .nav-current a {
  color: var(--bb-accent);
}

.bb-mobile-menu-cta {
  padding: 0.5rem 1.5rem 1rem;
  border-top: 1px solid var(--bb-border-muted);
}

/* ══════════════════════════════════════════════════════════════
   SITE CONTENT WRAPPER
   ══════════════════════════════════════════════════════════════ */
.bb-site-content {
  min-height: 70vh;
}

/* ══════════════════════════════════════════════════════════════
   INDEX — BLOG LISTING
   ══════════════════════════════════════════════════════════════ */
.bb-blog-hero {
  padding: 5rem 0 3.5rem;
  border-bottom: 1px solid var(--bb-border-subtle);
  background-color: var(--bb-bg-main);
  background-image:
    radial-gradient(ellipse 80% 50% at 0% 100%, rgba(50, 214, 236, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 100% 0%, rgba(25, 102, 255, 0.08) 0%, transparent 55%);
}

.bb-blog-hero h1 {
  font-size: clamp(2.75rem, 6vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.06;
  color: #F0F6FC;
  margin: 0 0 1rem;
  text-align: center;
}

.bb-blog-hero p {
  font-size: clamp(1.1rem, 2.2vw, 1.35rem);
  color: #F0F6FC;
  line-height: 1.6;
  margin: 0 auto;
  max-width: 560px;
  text-align: center;
  opacity: 0.82;
}

/* Post grid */
.bb-post-grid {
  padding: 3.5rem 0 5rem;
}

.bb-post-feed {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .bb-post-feed { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .bb-post-feed { grid-template-columns: repeat(3, 1fr); }
}

/* ── Post card ─────────────────────────────────────────────── */
.bb-post-card {
  display: flex;
  flex-direction: column;
  background: var(--bb-bg-surface);
  border: 1px solid var(--bb-border-muted);
  border-radius: var(--bb-radius-lg);
  box-shadow: var(--bb-shadow-card);
  overflow: hidden;
  text-decoration: none;
  transition: box-shadow var(--bb-duration-base) var(--bb-ease),
              transform var(--bb-duration-base) var(--bb-ease),
              border-color var(--bb-duration-base) var(--bb-ease);
}

.bb-post-card:hover {
  box-shadow: var(--bb-shadow-card-hover);
  transform: translateY(-3px);
  border-color: var(--bb-border-dark-pale);
  text-decoration: none;
}

.bb-post-card-image {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--bb-bg-elevated);
  flex-shrink: 0;
}

.bb-post-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--bb-duration-slow) var(--bb-ease);
}

.bb-post-card:hover .bb-post-card-image img {
  transform: scale(1.04);
}

.bb-post-card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 1.5rem;
  gap: 0.75rem;
}

.bb-post-card-tag {
  display: inline-block;
  font-size: var(--bb-text-2xs);
  font-weight: 500;
  font-family: var(--bb-font-mono);
  color: var(--bb-accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.bb-post-card-title {
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.02em;
  color: var(--bb-text-primary);
  margin: 0;
}

.bb-post-card-excerpt {
  font-size: var(--bb-text-sm);
  line-height: 1.6;
  color: var(--bb-text-secondary);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.bb-post-card-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid var(--bb-border-subtle);
}

.bb-post-card-author-image {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.bb-post-card-author-initial {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--bb-violet-wash);
  color: var(--bb-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 600;
  flex-shrink: 0;
}

.bb-post-card-byline {
  font-size: var(--bb-text-xs);
  color: var(--bb-text-tertiary);
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.bb-post-card-reading-time::before {
  content: '·';
  margin-right: 0.375rem;
}

/* Featured post card (first post, full-width) */
.bb-post-card--featured {
  grid-column: 1 / -1;
  flex-direction: row;
}

.bb-post-card--featured .bb-post-card-image {
  width: 45%;
  aspect-ratio: auto;
  flex-shrink: 0;
}

.bb-post-card--featured .bb-post-card-title {
  font-size: 1.4rem;
}

@media (max-width: 767px) {
  .bb-post-card--featured {
    flex-direction: column;
  }
  .bb-post-card--featured .bb-post-card-image {
    width: 100%;
    aspect-ratio: 16 / 9;
  }
}

/* ── Pagination ────────────────────────────────────────────── */
.bb-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 2rem 0 4rem;
}

.bb-pagination a,
.bb-pagination .bb-page-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 0.75rem;
  border-radius: var(--bb-radius);
  font-size: var(--bb-text-sm);
  font-weight: 500;
  text-decoration: none;
  transition: background var(--bb-duration-fast) ease,
              color var(--bb-duration-fast) ease;
}

.bb-pagination a {
  color: var(--bb-text-secondary);
  border: 1px solid var(--bb-border-muted);
}

.bb-pagination a:hover {
  background: var(--bb-accent-wash);
  border-color: var(--bb-accent);
  color: var(--bb-text-primary);
  text-decoration: none;
}

.bb-pagination .bb-page-number {
  color: var(--bb-accent);
  border: 1px solid var(--bb-accent);
  background: var(--bb-accent-wash);
}

/* ══════════════════════════════════════════════════════════════
   POST / ARTICLE
   ══════════════════════════════════════════════════════════════ */
.bb-article {
  padding-bottom: 5rem;
}

/* Back to blog */
.bb-back-wrap {
  max-width: var(--bb-width-content);
  margin-inline: auto;
  padding: 2rem 1.5rem 0;
}

@media (min-width: 640px) {
  .bb-back-wrap { padding-inline: 2.5rem; }
}

.bb-back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: var(--bb-text-sm);
  color: var(--bb-text-tertiary);
  text-decoration: none;
  transition: color var(--bb-duration-fast) ease;
}

.bb-back-link:hover {
  color: var(--bb-accent);
  text-decoration: none;
}

/* Article header */
.bb-article-header {
  padding: 4rem 0 3rem;
  max-width: var(--bb-width-content);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

@media (min-width: 640px) {
  .bb-article-header { padding-inline: 2.5rem; }
}

.bb-article-tag {
  display: inline-block;
  font-size: var(--bb-text-2xs);
  font-weight: 500;
  font-family: var(--bb-font-mono);
  color: var(--bb-accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  margin-bottom: 1rem;
}

.bb-article-tag:hover {
  color: var(--bb-accent-hover);
  text-decoration: none;
}

.bb-article-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.04em;
  color: var(--bb-text-primary);
  margin: 0 0 1.25rem;
}

.bb-article-excerpt {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--bb-text-secondary);
  line-height: 1.6;
  margin: 0 0 2rem;
}

/* Byline */
.bb-byline {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--bb-border-subtle);
}

.bb-byline-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.bb-byline-avatar-placeholder {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bb-violet-wash);
  border: 1px solid var(--bb-border-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bb-accent);
  font-weight: 600;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.bb-byline-name {
  font-size: var(--bb-text-sm);
  font-weight: 500;
  color: var(--bb-text-primary);
  text-decoration: none;
}

.bb-byline-name:hover { text-decoration: underline; }

.bb-byline-meta {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: var(--bb-text-xs);
  color: var(--bb-text-tertiary);
}

.bb-byline-sep::before {
  content: '·';
}

/* Feature image */
.bb-feature-image {
  max-width: 900px;
  margin-inline: auto;
  margin-bottom: 3rem;
  padding-inline: 1.5rem;
  border-radius: var(--bb-radius-lg);
  overflow: hidden;
}

@media (min-width: 640px) {
  .bb-feature-image { padding-inline: 2.5rem; }
}

.bb-feature-image img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--bb-radius-lg);
  border: 1px solid var(--bb-border-subtle);
}

/* ── Article content (Ghost/Koenig output) ─────────────────── */
.bb-content {
  max-width: var(--bb-width-content);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

@media (min-width: 640px) {
  .bb-content { padding-inline: 2.5rem; }
}

.bb-content p {
  font-size: 1.0625rem;
  line-height: 1.78;
  color: var(--bb-text-secondary);
  margin: 0 0 1.5em;
}

.bb-content h2 {
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--bb-text-primary);
  margin: 2.5em 0 0.75em;
}

.bb-content h3 {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--bb-text-primary);
  margin: 2em 0 0.6em;
}

.bb-content h4 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--bb-text-primary);
  margin: 1.75em 0 0.5em;
}

.bb-content a {
  color: var(--bb-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.bb-content a:hover { color: var(--bb-accent-hover); }

.bb-content ul,
.bb-content ol {
  font-size: 1.0625rem;
  line-height: 1.78;
  color: var(--bb-text-secondary);
  padding-left: 1.5em;
  margin: 0 0 1.5em;
}

.bb-content li + li { margin-top: 0.35em; }

.bb-content blockquote {
  margin: 2em 0;
  padding: 1.25em 1.5em;
  border-left: 3px solid var(--bb-accent);
  background: var(--bb-accent-wash);
  border-radius: 0 var(--bb-radius) var(--bb-radius) 0;
  font-style: italic;
  color: var(--bb-text-secondary);
}

.bb-content blockquote p { margin: 0; }

.bb-content code {
  font-family: var(--bb-font-mono);
  font-size: 0.875em;
  background: var(--bb-bg-surface);
  color: var(--bb-accent);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  border: 1px solid var(--bb-border-subtle);
}

.bb-content pre {
  background: var(--bb-bg-ink);
  border: 1px solid var(--bb-border-subtle);
  border-radius: var(--bb-radius);
  padding: 1.25rem 1.5rem;
  overflow-x: auto;
  margin: 0 0 1.5em;
}

.bb-content pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--bb-text-secondary);
  font-size: 0.875rem;
}

.bb-content hr {
  border: none;
  border-top: 1px solid var(--bb-border-muted);
  margin: 3em 0;
}

.bb-content img {
  width: 100%;
  height: auto;
  border-radius: var(--bb-radius);
  border: 1px solid var(--bb-border-subtle);
  margin: 0.5em 0;
}

.bb-content figure {
  margin: 1.5em 0 2em;
}

.bb-content figcaption {
  text-align: center;
  font-size: var(--bb-text-xs);
  color: var(--bb-text-tertiary);
  margin-top: 0.5em;
}

/* ── Koenig card styles ─────────────────────────────────────── */
.kg-width-wide {
  max-width: 1040px;
  width: 100%;
  margin-inline: auto;
}

.kg-width-full {
  width: 100%;
}

.kg-image-card {
  margin: 1.5em 0 2em;
}

.kg-image-card img {
  border-radius: var(--bb-radius);
  border: 1px solid var(--bb-border-subtle);
}

.kg-gallery-card {
  margin: 1.5em 0 2em;
}

.kg-gallery-container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.kg-gallery-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--bb-radius);
}

/* Bookmark card */
.kg-bookmark-card {
  margin: 1.5em 0;
}

.kg-bookmark-container {
  display: flex;
  flex-direction: row;
  border: 1px solid var(--bb-border-muted);
  border-radius: var(--bb-radius);
  background: var(--bb-bg-surface);
  overflow: hidden;
  text-decoration: none;
  transition: border-color var(--bb-duration-fast) ease;
}

.kg-bookmark-container:hover {
  border-color: var(--bb-accent);
  text-decoration: none;
}

.kg-bookmark-content {
  flex: 1;
  padding: 1.25rem;
  overflow: hidden;
}

.kg-bookmark-title {
  font-size: var(--bb-text-base);
  font-weight: 600;
  color: var(--bb-text-primary);
  margin-bottom: 0.25rem;
}

.kg-bookmark-description {
  font-size: var(--bb-text-sm);
  color: var(--bb-text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.kg-bookmark-metadata {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
  font-size: var(--bb-text-xs);
  color: var(--bb-text-tertiary);
}

.kg-bookmark-icon {
  width: 16px;
  height: 16px;
  object-fit: contain;
}

.kg-bookmark-thumbnail {
  width: 160px;
  flex-shrink: 0;
}

.kg-bookmark-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Callout card */
.kg-callout-card {
  margin: 1.5em 0;
  padding: 1.25rem 1.5rem;
  border-radius: var(--bb-radius);
  background: var(--bb-bg-surface);
  border: 1px solid var(--bb-border-muted);
  display: flex;
  gap: 0.875rem;
  align-items: flex-start;
}

.kg-callout-emoji {
  font-size: 1.25rem;
  line-height: 1.5;
  flex-shrink: 0;
}

.kg-callout-text {
  font-size: var(--bb-text-base);
  color: var(--bb-text-secondary);
  line-height: 1.65;
}

/* Code card */
.kg-code-card {
  margin: 1.5em 0;
}

.kg-code-card pre {
  border-radius: var(--bb-radius);
}

/* Toggle card */
.kg-toggle-card {
  margin: 1.5em 0;
  border: 1px solid var(--bb-border-muted);
  border-radius: var(--bb-radius);
  background: var(--bb-bg-surface);
  overflow: hidden;
}

.kg-toggle-heading-text {
  padding: 1rem 1.25rem;
  font-weight: 500;
  color: var(--bb-text-primary);
  cursor: pointer;
  user-select: none;
}

.kg-toggle-content {
  padding: 0 1.25rem 1rem;
  border-top: 1px solid var(--bb-border-subtle);
  color: var(--bb-text-secondary);
}

/* Video card */
.kg-video-card {
  margin: 1.5em 0;
  border-radius: var(--bb-radius);
  overflow: hidden;
  border: 1px solid var(--bb-border-subtle);
}

/* Button card */
.kg-button-card {
  display: flex;
  margin: 1.5em 0;
}

.kg-btn {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 1.75rem;
  background: var(--bb-violet);
  color: #fff;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  transition: background var(--bb-duration-base) var(--bb-ease);
}

.kg-btn:hover {
  background: var(--bb-violet-hover);
  text-decoration: none;
}

/* ── Post footer (tags) ────────────────────────────────────── */
.bb-article-footer {
  max-width: var(--bb-width-content);
  margin-inline: auto;
  padding: 2.5rem 1.5rem 0;
  border-top: 1px solid var(--bb-border-subtle);
}

@media (min-width: 640px) {
  .bb-article-footer { padding-inline: 2.5rem; }
}

.bb-article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.bb-tag-pill {
  display: inline-block;
  padding: 0.25rem 0.875rem;
  border-radius: 999px;
  border: 1px solid var(--bb-border-muted);
  font-size: var(--bb-text-xs);
  font-family: var(--bb-font-mono);
  color: var(--bb-text-secondary);
  text-decoration: none;
  transition: border-color var(--bb-duration-fast) ease,
              color var(--bb-duration-fast) ease,
              background var(--bb-duration-fast) ease;
}

.bb-tag-pill:hover {
  border-color: var(--bb-accent);
  color: var(--bb-accent);
  background: var(--bb-accent-wash);
  text-decoration: none;
}

/* ── Author profile (author.hbs) ───────────────────────────── */
.bb-author-header {
  padding: 4rem 0 3rem;
  border-bottom: 1px solid var(--bb-border-subtle);
}

.bb-author-profile {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  max-width: var(--bb-width-content);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

@media (min-width: 640px) {
  .bb-author-profile { padding-inline: 2.5rem; }
}

.bb-author-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--bb-border-muted);
  flex-shrink: 0;
}

.bb-author-name {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--bb-text-primary);
  margin: 0 0 0.25rem;
}

.bb-author-bio {
  font-size: var(--bb-text-base);
  color: var(--bb-text-secondary);
  margin: 0;
}

/* ── Tag page ──────────────────────────────────────────────── */
.bb-tag-header {
  padding: 4rem 0 3rem;
  border-bottom: 1px solid var(--bb-border-subtle);
}

.bb-tag-name {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--bb-text-primary);
  margin: 0 0 0.5rem;
}

.bb-tag-name .accent { color: var(--bb-accent); }

.bb-tag-count {
  font-size: var(--bb-text-sm);
  color: var(--bb-text-tertiary);
  font-family: var(--bb-font-mono);
  margin: 0;
}

/* ── Static page ───────────────────────────────────────────── */
.bb-page {
  padding-bottom: 5rem;
}

.bb-page-header {
  padding: 4rem 0 2.5rem;
  max-width: var(--bb-width-content);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

@media (min-width: 640px) {
  .bb-page-header { padding-inline: 2.5rem; }
}

.bb-page-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--bb-text-primary);
  margin: 0;
}

/* ── Error pages ───────────────────────────────────────────── */
.bb-error {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  padding: 4rem 1.5rem;
  text-align: center;
}

.bb-error-code {
  font-size: clamp(5rem, 15vw, 10rem);
  font-weight: 800;
  letter-spacing: -0.08em;
  line-height: 1;
  color: transparent;
  background: linear-gradient(135deg, var(--bb-accent) 0%, var(--bb-violet) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  margin: 0 0 1rem;
}

.bb-error-title {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 600;
  color: var(--bb-text-primary);
  margin: 0 0 0.75rem;
}

.bb-error-message {
  font-size: var(--bb-text-base);
  color: var(--bb-text-secondary);
  max-width: 400px;
  margin-inline: auto;
  margin-bottom: 2rem;
}

/* ══════════════════════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════════════════════ */
.bb-footer {
  background: var(--bb-bg-ink);
  border-top: 1px solid var(--bb-border-dark-subtle);
}

.bb-footer-inner {
  max-width: var(--bb-width-wide);
  margin-inline: auto;
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

@media (min-width: 640px) {
  .bb-footer-inner {
    flex-direction: row;
    justify-content: space-between;
    padding-inline: 2.5rem;
  }
}

.bb-footer-logo img {
  height: 44px;
  width: auto;
  display: block;
}

.bb-footer-logo:hover { text-decoration: none; }

.bb-footer-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.75rem;
  line-height: 1rem;
}

/* Ghost outputs .nav ul for footer navigation — reset bullets, layout horizontal */
.bb-footer-links .nav {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
}

.bb-footer-links .nav li { margin: 0; padding: 0; }

.bb-footer-links .nav a,
.bb-footer-link {
  color: rgba(240, 246, 252, 0.80);
  text-decoration: none;
  transition: color var(--bb-duration-fast) ease;
}

.bb-footer-links .nav a:hover,
.bb-footer-link:hover {
  color: var(--bb-text-on-dark);
  text-decoration: none;
}

.bb-footer-legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.375rem 1.25rem;
  margin-top: 0;
}

.bb-footer-copy {
  font-size: 0.75rem;
  line-height: 1rem;
  color: rgba(240, 246, 252, 0.65);
  white-space: nowrap;
  margin: 0;
}

/* ── More posts ────────────────────────────────────────────── */
.bb-more-posts {
  border-top: 1px solid var(--bb-border-dark-subtle);
  padding: 4rem 0 5rem;
}

.bb-more-posts-title {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 700;
  color: var(--bb-text-primary);
  letter-spacing: -0.02em;
  margin: 0 0 2rem;
}

/* ── Utility ───────────────────────────────────────────────── */
.hidden { display: none !important; }