/* ============================================================
   THE SCHOLARLY CURATOR — Luiz Pizzato
   Design system: editorial bento grid, Newsreader + Inter
   DESIGN.md: tonal depth, no-line rule, glass & gradient rule
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Newsreader:ital,opsz,wght@0,6..72,300;0,6..72,400;0,6..72,500;0,6..72,600;1,6..72,300;1,6..72,400;1,6..72,500;1,6..72,600&family=Inter:wght@400;500;600&display=swap');

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── Design Tokens ──────────────────────────────────────────── */
:root {
  /* Surfaces (tonal layering — no borders) */
  --surface:              #f8f9fa;
  --surface-low:          #f1f4f5;
  --surface-white:        #ffffff;
  --surface-container:    #e8edf0;
  --surface-bright:       #ffffff;

  /* Primary accents */
  --primary:              #4f6174;
  --primary-container:    #ccdff6;
  --on-primary:           #ffffff;
  --on-primary-container: #0a2033;

  /* Secondary / tertiary */
  --secondary:            #4e5d91;
  --secondary-container:  #dde3ff;
  --on-secondary-container: #0a1553;
  --tertiary:             #366769;
  --tertiary-container:   #b8efef;

  /* Text */
  --on-surface:           #2d3335;
  --on-surface-variant:   #6b7280;
  --on-surface-faint:     #9ca3af;

  /* Outline (ghost border — 15% opacity only) */
  --outline-variant:      rgba(45, 51, 53, 0.15);

  /* Radius scale */
  --radius-sm:   0.25rem;
  --radius-md:   0.75rem;
  --radius-lg:   1rem;
  --radius-xl:   1.5rem;
  --radius-full: 9999px;

  /* Spacing */
  --gap-bento:   16px;
  --max-page:    720px;
  --max-site:    1160px;

  /* Transitions */
  --ease-surface: cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* ── Base ───────────────────────────────────────────────────── */
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--surface);
  color: var(--on-surface);
  font-size: 16px;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Override old site styles */
.header, .wrapper, .content, .container { all: unset; display: block; }
.dl-menuwrapper { display: none !important; }
body > header { background: none; }

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
ul, ol { list-style: none; }

/* ── Typography scale ───────────────────────────────────────── */
.display-lg {
  font-family: 'Newsreader', Georgia, serif;
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--on-surface);
}

.display-md {
  font-family: 'Newsreader', Georgia, serif;
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--on-surface);
}

.display-sm {
  font-family: 'Newsreader', Georgia, serif;
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--on-surface);
}

.label-sm {
  font-family: 'Inter', sans-serif;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
}

/* ── NAV ────────────────────────────────────────────────────── */
.site-nav-wrap {
  position: sticky;
  top: 0;
  z-index: 200;
  padding: 12px 24px;
}

.site-nav {
  max-width: var(--max-site);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: rgba(248, 249, 250, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-full);
  padding: 10px 20px;
  box-shadow: 0 1px 3px rgba(45, 51, 53, 0.08);
}

.nav-identity {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--on-surface);
  flex-shrink: 0;
  font-family: 'Newsreader', Georgia, serif;
  font-style: italic;
}

.nav-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  object-fit: cover;
  border: 1.5px solid var(--outline-variant);
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--on-surface-variant);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  transition: background var(--ease-surface) 0.18s, color var(--ease-surface) 0.18s;
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  background: var(--surface-container);
  color: var(--on-surface);
}

/* Mobile hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 6px;
  cursor: pointer;
  border-radius: var(--radius-md);
  background: none;
  border: none;
  transition: background 0.18s;
  flex-shrink: 0;
}

.nav-hamburger:hover { background: var(--surface-container); }

.nav-hamburger span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--on-surface);
  border-radius: 2px;
  transition: transform 0.25s var(--ease-surface), opacity 0.25s;
}

/* Mobile menu */
.nav-mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 24px;
  right: 24px;
  background: rgba(248, 249, 250, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-xl);
  padding: 20px;
  box-shadow: 0 20px 40px rgba(45, 51, 53, 0.12);
  z-index: 199;
  flex-direction: column;
  gap: 4px;
}

.nav-mobile-menu.open { display: flex; }

.nav-mobile-link {
  font-size: 16px;
  font-weight: 500;
  color: var(--on-surface);
  padding: 12px 16px;
  border-radius: var(--radius-lg);
  transition: background 0.18s;
}

.nav-mobile-link:hover { background: var(--surface-low); }

/* ── HOME: BENTO GRID ───────────────────────────────────────── */
.bento-wrap {
  max-width: var(--max-site);
  margin: 0 auto;
  padding: 32px 24px 0;
}

.bento-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: auto auto auto;
  grid-template-areas:
    "hero    hero    photo"
    "writing writing impact"
    "writing writing linkedin";
  gap: var(--gap-bento);
}

/* ── BENTO CARDS ── */
.bento-card {
  background: var(--surface-white);
  border-radius: var(--radius-xl);
  padding: 32px;
  transition: box-shadow 0.35s var(--ease-surface), transform 0.35s var(--ease-surface);
  position: relative;
  overflow: hidden;
}

.bento-card:hover {
  box-shadow: 0 20px 40px rgba(45, 51, 53, 0.06);
  transform: translateY(-2px);
}

/* Hero card */
.bento-hero {
  grid-area: hero;
  background: var(--surface-white);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 300px;
  padding: 40px;
}

.bento-hero .label-sm { margin-bottom: 16px; }

.bento-hero .display-lg { margin-bottom: 12px; }

.hero-role {
  font-size: 15px;
  font-weight: 500;
  color: var(--on-surface);
  margin-bottom: 4px;
}

.hero-tagline {
  font-size: 13px;
  color: var(--on-surface-variant);
  letter-spacing: 0.02em;
}

/* Photo card */
.bento-photo {
  grid-area: photo;
  padding: 0;
  overflow: hidden;
  min-height: 340px;
  background: var(--surface-container);
}

.bento-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.photo-caption {
  position: absolute;
  bottom: 16px;
  left: 16px;
  right: 16px;
  background: rgba(248, 249, 250, 0.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-lg);
  padding: 10px 16px;
}

/* Status card */
.bento-status {
  grid-area: status;
  background: var(--surface-low);
  display: flex;
  flex-direction: column;
}

.live-indicator {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.live-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #22c55e;
  flex-shrink: 0;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); }
  50% { box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
}

.status-heading {
  font-family: 'Newsreader', Georgia, serif;
  font-size: 1.25rem;
  font-style: italic;
  font-weight: 500;
  color: var(--on-surface);
  margin-bottom: 10px;
}

.status-text {
  font-size: 14px;
  color: var(--on-surface-variant);
  line-height: 1.65;
}

/* Impact card */
.bento-impact {
  grid-area: impact;
  background: var(--surface-white);
  display: flex;
  flex-direction: column;
}

.impact-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.impact-icon {
  color: var(--on-surface-variant);
  font-size: 16px;
}

.impact-metric {
  font-family: 'Newsreader', Georgia, serif;
  font-size: 3rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--on-surface);
  line-height: 1;
  margin-bottom: 4px;
}

.impact-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
  margin-bottom: 20px;
}

/* Citation bar chart */
.citation-bars {
  display: flex;
  align-items: flex-end;
  gap: 5px;
  height: 48px;
  margin-top: auto;
}

.citation-bar {
  flex: 1;
  background: var(--surface-container);
  border-radius: 3px 3px 0 0;
  transition: background 0.25s;
}

.citation-bar:hover { background: var(--primary); }

.citation-bar.bar-highlight { background: var(--primary); }

/* Impact card — also used as <a> link */
a.bento-impact {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  cursor: pointer;
}

a.bento-impact:hover {
  box-shadow: 0 20px 40px rgba(45, 51, 53, 0.06);
  transform: translateY(-2px);
}

a.bento-impact:hover .impact-metric { color: var(--primary); }

/* Dual-metric layout (Publications + Citations) */
.impact-dual-metrics {
  display: flex;
  align-items: center;
  gap: 0;
  margin: 8px 0 4px;
  flex: 1;
}

.impact-metric-item {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.impact-metric-divider {
  width: 1px;
  height: 48px;
  background: var(--outline-variant);
  margin: 0 16px;
  flex-shrink: 0;
}

/* When dual metrics are used, shrink the font a little to fit both */
.impact-dual-metrics .impact-metric {
  font-size: 2.2rem;
  margin-bottom: 2px;
}

/* Archive card */
.bento-archive {
  grid-area: archive;
  background: var(--primary);
  background: linear-gradient(135deg, var(--primary), var(--primary-container));
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.archive-title {
  font-family: 'Newsreader', Georgia, serif;
  font-size: 1.5rem;
  font-style: italic;
  font-weight: 500;
  color: var(--on-surface);
  margin-bottom: 24px;
}

.archive-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.archive-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: var(--radius-full);
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--on-surface);
  transition: background 0.25s var(--ease-surface), transform 0.25s var(--ease-surface);
}

.archive-link:hover {
  background: rgba(255, 255, 255, 0.9);
  transform: translateX(3px);
}

.archive-link-icon {
  font-size: 16px;
  opacity: 0.7;
}

/* ── STREAM card (spans 2 cols) ─────────────────────────────── */
.bento-stream {
  grid-area: writing;
  background: var(--surface-white);
  display: flex;
  flex-direction: column;
}

.stream-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.stream-more {
  font-size: 13px;
  font-weight: 500;
  color: var(--primary);
  text-decoration: underline;
  text-decoration-color: var(--primary-container);
  text-underline-offset: 3px;
  transition: text-decoration-color 0.15s;
}

.stream-more:hover { text-decoration-color: var(--primary); }

/* ── Stream entries ─────────────────────────────────────────── */
.stream-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stream-entry {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 6px;
  border-bottom: 1px solid var(--outline-variant);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: background 0.18s var(--ease-surface), padding-left 0.18s var(--ease-surface);
}

.stream-entry:first-child { border-top: 1px solid var(--outline-variant); }

.stream-entry:hover { background: var(--surface-low); padding-left: 10px; }

/* ── Source icon badge ──────────────────────────────────────── */
.stream-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  flex-shrink: 0;
  font-size: 14px;
  color: #fff;
}

.stream-icon--medium   { background: #000; }
.stream-icon--scholar  { background: var(--primary); }
.stream-icon--post     { background: var(--secondary); }
.stream-icon--twitter  { background: #000; }
.stream-icon--linkedin { background: #0a66c2; }

/* ── Stream entry body ──────────────────────────────────────── */
.stream-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.stream-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--on-surface);
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.stream-meta {
  font-size: 11px;
  color: var(--on-surface-faint);
  letter-spacing: 0.02em;
}

/* ── Stream full-page list ──────────────────────────────────── */
.stream-page-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: 8px;
}

.stream-page-entry {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 11px 8px;
  border-bottom: 1px solid var(--outline-variant);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: background 0.18s var(--ease-surface), padding-left 0.18s var(--ease-surface);
}

.stream-page-entry:first-child { border-top: 1px solid var(--outline-variant); }

.stream-page-entry:hover { background: var(--surface-low); padding-left: 14px; }

.stream-page-entry .stream-body { gap: 4px; }

.stream-page-entry .stream-title {
  font-size: 15px;
  white-space: normal;
  overflow: visible;
  text-overflow: clip;
}

.stream-page-entry .stream-meta { font-size: 12px; }

/* ── LINKEDIN card ──────────────────────────────────────────── */
.bento-linkedin {
  grid-area: linkedin;
  background: linear-gradient(135deg, #0a66c2 0%, #004182 100%);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-decoration: none;
  cursor: pointer;
}

.bento-linkedin:hover {
  box-shadow: 0 20px 40px rgba(10, 102, 194, 0.25);
  transform: translateY(-2px);
}

.linkedin-inner {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}

.linkedin-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(255,255,255,0.3);
  flex-shrink: 0;
}

.linkedin-info { flex: 1; min-width: 0; }

.linkedin-name {
  font-size: 15px;
  font-weight: 600;
  color: #ffffff;
  line-height: 1.3;
}

.linkedin-title {
  font-size: 12px;
  color: rgba(255,255,255,0.75);
  line-height: 1.4;
  margin-top: 3px;
}

.linkedin-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #ffffff;
  font-size: 13px;
  font-weight: 600;
  padding: 10px 16px;
  border-radius: var(--radius-full);
  transition: background 0.2s;
}

.bento-linkedin:hover .linkedin-cta {
  background: rgba(255,255,255,0.25);
}

/* ── CONNECT SECTION ────────────────────────────────────────── */
.connect-section {
  max-width: var(--max-site);
  margin: 0 auto;
  padding: 24px 24px 0;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.connect-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.connect-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--surface-white);
  color: var(--on-surface-variant);
  font-size: 15px;
  transition: background 0.2s var(--ease-surface), color 0.2s var(--ease-surface), transform 0.2s var(--ease-surface);
  box-shadow: 0 1px 4px rgba(45, 51, 53, 0.06);
}

.connect-pill:hover {
  background: var(--primary);
  color: var(--on-primary);
  transform: translateY(-2px);
}

/* ── SITE FOOTER ────────────────────────────────────────────── */
.site-footer {
  max-width: var(--max-site);
  margin: 32px auto 0;
  padding: 24px 24px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--on-surface-faint);
  font-family: 'Inter', sans-serif;
  flex-wrap: wrap;
  gap: 8px;
}

.site-footer a {
  color: var(--on-surface-faint);
  transition: color 0.15s;
}

.site-footer a:hover { color: var(--on-surface-variant); }

.footer-right {
  display: flex;
  gap: 24px;
}

/* ── INNER PAGE LAYOUT ──────────────────────────────────────── */
.page-layout {
  max-width: var(--max-page);
  margin: 0 auto;
  padding: 56px 24px 120px;
}

.page-header {
  margin-bottom: 48px;
}

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--on-surface-variant);
  padding: 6px 14px 6px 10px;
  border-radius: var(--radius-full);
  background: var(--surface-white);
  margin-bottom: 24px;
  transition: background 0.18s, color 0.18s;
  box-shadow: 0 1px 3px rgba(45, 51, 53, 0.06);
}

.back-btn:hover {
  background: var(--surface-container);
  color: var(--on-surface);
}

/* ── PAGE CONTENT (prose) ───────────────────────────────────── */
.page-content,
.article-body {
  font-size: 16px;
  line-height: 1.75;
  color: var(--on-surface);
}

.page-content h1, .page-content h2, .page-content h3,
.page-content h4, .page-content h5, .page-content h6,
.article-body h1, .article-body h2, .article-body h3,
.article-body h4, .article-body h5, .article-body h6 {
  font-family: 'Newsreader', Georgia, serif;
  font-weight: 500;
  color: var(--on-surface);
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-content h1, .article-body h1 { font-size: 2rem; }
.page-content h2, .article-body h2 { font-size: 1.5rem; }
.page-content h3, .article-body h3 { font-size: 1.25rem; }
.page-content h4, .article-body h4 { font-size: 1rem; font-family: 'Inter', sans-serif; font-weight: 600; }

.page-content p, .article-body p { margin-bottom: 1.25rem; }

.page-content a, .article-body a {
  color: var(--primary);
  text-decoration: underline;
  text-decoration-color: var(--primary-container);
  text-underline-offset: 3px;
  transition: text-decoration-color 0.15s;
}

.page-content a:hover, .article-body a:hover {
  text-decoration-color: var(--primary);
}

.page-content ul, .page-content ol,
.article-body ul, .article-body ol {
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
}

.page-content ul { list-style: disc; }
.page-content ol { list-style: decimal; }
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }

.page-content li, .article-body li { margin-bottom: 0.4rem; }

.page-content blockquote, .article-body blockquote {
  border-left: 3px solid var(--primary-container);
  padding-left: 1.25rem;
  color: var(--on-surface-variant);
  font-style: italic;
  margin: 1.5rem 0;
}

.page-content code, .article-body code {
  font-family: 'Inconsolata', 'Fira Mono', monospace;
  font-size: 0.875em;
  background: var(--surface-low);
  padding: 0.15em 0.4em;
  border-radius: var(--radius-sm);
  color: var(--on-surface);
}

.page-content pre, .article-body pre {
  background: var(--on-surface);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  overflow-x: auto;
  margin: 1.5rem 0;
}

.page-content pre code, .article-body pre code {
  background: none;
  padding: 0;
  color: #e2e8f0;
  font-size: 0.875rem;
}

.page-content hr, .article-body hr {
  border: none;
  height: 1px;
  background: var(--outline-variant);
  margin: 2rem 0;
}

.page-content img, .article-body img {
  border-radius: var(--radius-lg);
  max-width: 100%;
  margin: 1.5rem 0;
}

.page-content table, .article-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin: 1.5rem 0;
}

.page-content th, .article-body th {
  font-weight: 600;
  text-align: left;
  padding: 10px 14px;
  background: var(--surface-low);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.page-content td, .article-body td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--outline-variant);
  vertical-align: top;
}

/* ── ARTICLE LAYOUT ─────────────────────────────────────────── */
.article-header {
  margin-bottom: 48px;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 500;
  color: var(--on-surface-variant);
  background: var(--surface-white);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
  box-shadow: 0 1px 3px rgba(45, 51, 53, 0.06);
}

.article-footer {
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--outline-variant);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chip {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  font-weight: 500;
  color: var(--on-secondary-container);
  background: var(--secondary-container);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
  transition: background 0.18s;
}

.chip:hover { background: var(--surface-container); color: var(--on-surface); }

/* ── POST LIST PAGE ─────────────────────────────────────────── */
.post-list-rows {
  display: flex;
  flex-direction: column;
}

.post-row {
  display: flex;
  align-items: baseline;
  gap: 24px;
  padding: 16px 0;
  border-bottom: 1px solid var(--outline-variant);
  cursor: pointer;
  transition: background 0.18s;
  text-decoration: none;
}

.post-row:first-child { border-top: 1px solid var(--outline-variant); }

.post-row:hover .post-row-title {
  text-decoration-color: var(--on-surface);
}

.post-row-year {
  font-size: 14px;
  color: var(--on-surface-faint);
  flex-shrink: 0;
  min-width: 38px;
  font-variant-numeric: tabular-nums;
}

.post-row-title {
  font-size: 15px;
  font-weight: 500;
  color: var(--on-surface);
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 3px;
  transition: text-decoration-color 0.18s;
  flex: 1;
}

/* ── SECTION LABEL ──────────────────────────────────────────── */
.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 40px;
}

.see-all-link {
  font-size: 13px;
  color: var(--on-surface-variant);
  text-decoration: underline;
  text-decoration-color: rgba(107,114,128,0.4);
  text-underline-offset: 3px;
  transition: color 0.15s;
}

.see-all-link:hover { color: var(--on-surface); }

/* ── BUTTONS ────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--on-primary);
  background: var(--primary);
  padding: 10px 20px;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: transform 0.2s var(--ease-surface), background 0.2s;
}

.btn-primary:hover { transform: scale(1.02); background: #405263; }

.btn-surface {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--on-surface);
  background: var(--surface-white);
  padding: 10px 20px;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  box-shadow: 0 1px 3px rgba(45, 51, 53, 0.08);
  transition: transform 0.2s var(--ease-surface), box-shadow 0.2s;
}

.btn-surface:hover {
  transform: scale(1.02);
  box-shadow: 0 4px 12px rgba(45, 51, 53, 0.12);
}

/* ── SCROLL REVEAL ──────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.in { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: 0.06s; }
.reveal-d2 { transition-delay: 0.12s; }
.reveal-d3 { transition-delay: 0.18s; }
.reveal-d4 { transition-delay: 0.24s; }

/* ── MOBILE ─────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .bento-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "hero     photo"
      "impact   impact"
      "writing  writing"
      "linkedin linkedin";
  }
}

@media (max-width: 640px) {
  .site-nav-wrap { padding: 10px 16px; }

  .nav-links { display: none; }
  .nav-hamburger { display: flex; }

  .bento-wrap { padding: 16px 16px 0; }

  .bento-grid {
    grid-template-columns: 1fr;
    grid-template-areas:
      "hero"
      "photo"
      "impact"
      "writing"
      "linkedin";
    gap: 12px;
  }

  .bento-card { padding: 24px; }
  .bento-hero { min-height: 200px; padding: 28px; }
  .bento-photo { min-height: 260px; }

  .connect-section { padding: 16px 16px 0; }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .footer-right { gap: 16px; }

  .page-layout { padding: 40px 16px 80px; }
}

/* ── UTILITY ────────────────────────────────────────────────── */
.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;
}

/* Override old site body background from _config.yml */
body { background-image: none !important; }

/* ── PAGE HERO IMAGE (card style) ───────────────────────────── */
.page-hero {
  max-width: var(--content-width, 860px);
  margin: 1.5rem auto 0;
  padding: 0 var(--page-pad, 24px);
}

.page-hero img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  object-position: center;
  display: block;
  border-radius: var(--radius-xl);
  box-shadow: 0 4px 24px rgba(45, 51, 53, 0.08);
}

@media (max-width: 600px) {
  .page-hero img { height: 180px; border-radius: var(--radius-lg); }
}

/* ── PERSONAL PAGE — YouTube videos ────────────────────────── */
.video-section {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--outline-variant);
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.video-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface-container);
  transition: box-shadow 0.25s var(--ease-surface), transform 0.25s var(--ease-surface);
}

.video-card:hover {
  box-shadow: 0 8px 28px rgba(45,51,53,0.12);
  transform: translateY(-2px);
}

.video-thumb-wrap {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #000;
}

.video-thumb-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s var(--ease-surface), opacity 0.25s;
}

.video-card:hover .video-thumb-wrap img {
  transform: scale(1.03);
  opacity: 0.85;
}

.video-play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.video-play-btn i {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.92);
  color: #c00;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-left: 3px; /* optical centre for play triangle */
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
  transition: background 0.2s, transform 0.2s;
}

.video-card:hover .video-play-btn i {
  background: #fff;
  transform: scale(1.1);
}

.video-info {
  padding: 14px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.video-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--on-surface);
  line-height: 1.4;
}

.video-desc {
  font-size: 12px;
  color: var(--on-surface-variant);
  line-height: 1.5;
}

/* ── PERSONAL PAGE — Photo gallery ─────────────────────────── */
.photo-section {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--outline-variant);
}

/* when video section precedes photo section, add extra breathing room */
.video-section + .photo-section {
  margin-top: 2.5rem;
}

.photo-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 12px;
}

.photo-source-links {
  display: flex;
  gap: 12px;
}

.photo-source-links a {
  font-size: 13px;
  font-weight: 500;
  color: var(--primary);
  text-decoration: underline;
  text-decoration-color: var(--primary-container);
  text-underline-offset: 3px;
  transition: text-decoration-color 0.15s;
}

.photo-source-links a:hover {
  text-decoration-color: var(--primary);
}

/* ── Photo grid ─────────────────────────────────────────────── */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
}

.photo-card {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface-container);
  display: block;
  text-decoration: none;
}

.photo-card img,
.photo-card video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s var(--ease-surface);
  display: block;
}

.photo-card:hover img,
.photo-card:hover video {
  transform: scale(1.05);
}

.photo-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(30,36,38,0.75) 0%, rgba(30,36,38,0.1) 55%, transparent 100%);
  opacity: 0;
  transition: opacity 0.25s var(--ease-surface);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 14px;
  gap: 6px;
}

.photo-card:hover .photo-overlay {
  opacity: 1;
}

.photo-title {
  font-size: 12px;
  color: #fff;
  font-weight: 500;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ── Source badges ──────────────────────────────────────────── */
.photo-source-badge {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  color: #fff;
  width: fit-content;
}

.photo-source-badge--flickr    { background: #0063dc; }
.photo-source-badge--500px     { background: #111; }
.photo-source-badge--instagram { background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }

/* ── Empty state ────────────────────────────────────────────── */
.photo-empty {
  padding: 48px 0;
  text-align: center;
  color: var(--on-surface-variant);
  font-size: 14px;
}

.photo-empty a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 480px) {
  .photo-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
  }
}