/* =============================================
   DESIGN TOKENS
   ============================================= */
:root {
  --bg: #F8FAFC;
  --bg-alt: #EFF6FF;
  --surface: #FFFFFF;

  --primary: #0D9488;
  --primary-light: #14B8A6;
  --primary-dark: #0F766E;
  --primary-glow: rgba(13, 148, 136, 0.12);

  --accent: #F97316;
  --accent-dark: #EA580C;
  --accent-glow: rgba(249, 115, 22, 0.12);

  --purple: #7C3AED;
  --purple-light: #8B5CF6;

  --text: #0F172A;
  --text-2: #1E293B;
  --muted: #64748B;
  --muted-light: #94A3B8;

  --border: #E2E8F0;
  --border-dark: #CBD5E1;

  --gradient-primary: linear-gradient(135deg, var(--primary), var(--purple-light));
  --gradient-accent: linear-gradient(135deg, var(--accent), var(--primary));
  --gradient-hero: linear-gradient(135deg, #0B1628 0%, #0F2137 55%, #0A1F3C 100%);

  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.06);
  --shadow-xl: 0 32px 48px -12px rgba(15, 23, 42, 0.2);

  --radius-sm: 8px;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  --transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* =============================================
   BASE & TYPOGRAPHY
   ============================================= */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', 'Inter', sans-serif;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--text);
}

p {
  color: var(--text-2);
  line-height: 1.75;
}

a {
  color: var(--primary);
  transition: color 0.2s;
}

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

main {
  padding-top: 0.5rem;
}

/* =============================================
   NAVBAR
   ============================================= */
.navbar,
.navbar[data-bs-theme="dark"] {
  background: rgba(255, 255, 255, 0.92) !important;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border) !important;
  box-shadow: var(--shadow-sm);
  padding: 0.7rem 1.5rem;
}

.navbar-brand,
.navbar[data-bs-theme="dark"] .navbar-brand {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.navbar-nav .nav-link,
.navbar[data-bs-theme="dark"] .navbar-nav .nav-link {
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-2) !important;
  padding: 0.4rem 0.9rem !important;
  border-radius: var(--radius-full);
  transition: var(--transition);
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active,
.navbar[data-bs-theme="dark"] .navbar-nav .nav-link:hover,
.navbar[data-bs-theme="dark"] .navbar-nav .nav-link.active {
  color: var(--primary) !important;
  background: var(--primary-glow);
}

/* Hamburger icon in light navbar */
.navbar-toggler-icon {
  filter: invert(1) brightness(0.2);
}

/* =============================================
   QUARTO TITLE BLOCK
   ============================================= */
.quarto-title-block {
  margin-bottom: 1.5rem;
}

.quarto-title-block .title {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
}

.quarto-title-block .subtitle {
  color: var(--muted);
  font-size: 1rem;
  font-weight: 400;
  margin-top: 0.25rem;
}

/* =============================================
   HERO SECTION
   ============================================= */
.hero-panel {
  position: relative;
  background: var(--gradient-hero);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem;
  margin-bottom: 2.5rem;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.hero-panel::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -15%;
  width: 65%;
  height: 200%;
  background: radial-gradient(circle, rgba(13, 148, 136, 0.28) 0%, transparent 65%);
  animation: heroPulse 7s ease-in-out infinite alternate;
  pointer-events: none;
}

.hero-panel::after {
  content: "";
  position: absolute;
  bottom: -35%;
  left: -10%;
  width: 55%;
  height: 150%;
  background: radial-gradient(circle, rgba(249, 115, 22, 0.18) 0%, transparent 65%);
  animation: heroPulse 9s ease-in-out infinite alternate-reverse;
  pointer-events: none;
}

@keyframes heroPulse {
  from { transform: scale(0.85) rotate(-5deg); opacity: 0.6; }
  to   { transform: scale(1.15) rotate(5deg);  opacity: 1; }
}

/* Dot-grid texture overlay */
.hero-panel > * {
  position: relative;
  z-index: 1;
}

.hero-panel h2 {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  color: #fff !important;
  margin: 0 0 0.6rem;
  letter-spacing: -0.03em;
}

.hero-panel h1,
.hero-panel h3,
.hero-panel p {
  color: #ffffff;
}

.hero-photo {
  width: 100%;
  max-width: 260px;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-lg);
  display: block;
  margin: 0 auto;
  border: 3px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 24px 60px -12px rgba(0, 0, 0, 0.55);
  object-fit: cover;
  transition: var(--transition-slow);
}

.hero-photo:hover {
  transform: scale(1.02) rotate(1deg);
  border-color: rgba(255, 255, 255, 0.35);
  box-shadow: 0 32px 70px -10px rgba(0, 0, 0, 0.6);
}

.hero-eyebrow {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 0.6rem;
  display: block;
}

/* Quarto wraps .hero-eyebrow span in a <p> */
.hero-panel .g-col-md-8 > p:first-child {
  margin-bottom: 0.25rem;
}

.hero-body {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1rem;
  line-height: 1.75;
  max-width: 520px;
  margin-bottom: 1.5rem;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.25rem 0 1.75rem;
}

/* Quarto wraps inline content in <p> — neutralise it inside flex containers */
.hero-badges > p {
  display: contents;
  margin: 0;
}

.hero-pill {
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 0.32rem 0.8rem;
  border-radius: var(--radius-full);
  font-size: 0.83rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: var(--transition);
  backdrop-filter: blur(8px);
  cursor: default;
}

.hero-pill:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.32);
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

/* Quarto wraps the spans in <p> — flatten it */
.hero-stats > div > p {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.hero-stat-number {
  font-family: 'Outfit', sans-serif;
  font-size: 1.9rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
  display: block;
}

.hero-stat-label {
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: 0.2rem;
  display: block;
}

/* CTA buttons */
.hero-panel .btn {
  font-weight: 600;
  padding: 0.6rem 1.5rem;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  transition: var(--transition);
  border: none;
  text-decoration: none;
}

.hero-panel .btn-light {
  background: #ffffff;
  color: var(--primary-dark);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.hero-panel .btn-light:hover {
  background: var(--primary-light);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(13, 148, 136, 0.45);
}

.hero-panel .btn-outline-light {
  background: transparent;
  color: rgba(255, 255, 255, 0.88);
  border: 1.5px solid rgba(255, 255, 255, 0.3);
}

.hero-panel .btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.55);
  color: #ffffff;
  transform: translateY(-2px);
}

/* =============================================
   SECTION HEADINGS
   ============================================= */
.quarto-title-block + * h2,
main > h2 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text);
  margin-top: 2.5rem;
  margin-bottom: 1.25rem;
}

#current-focus {
  margin-top: 4rem;
}

/* =============================================
   FEATURE CARDS
   ============================================= */
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
  height: 100%;
  position: relative;
  overflow: hidden;
}

.feature-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: rgba(13, 148, 136, 0.22);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(13, 148, 136, 0.08);
}

.feature-card:hover::after {
  transform: scaleX(1);
}

.feature-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 0.7rem;
  margin-top: 0;
}

.feature-card p {
  color: var(--muted);
  font-size: 0.93rem;
  line-height: 1.65;
  margin: 0;
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 10px;
  background: var(--gradient-accent);
  color: #fff;
  font-size: 1rem;
  flex-shrink: 0;
  box-shadow: 0 4px 12px var(--accent-glow);
}

/* =============================================
   INFO / QUOTE CARD
   ============================================= */
.info-card {
  background: linear-gradient(135deg,
    rgba(13, 148, 136, 0.04) 0%,
    rgba(249, 115, 22, 0.03) 100%);
  border: 1px solid rgba(13, 148, 136, 0.15);
  border-radius: var(--radius);
  padding: 1.75rem 1.75rem 1.75rem 2.25rem;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.info-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--gradient-accent);
}

.info-card:hover {
  border-color: rgba(13, 148, 136, 0.25);
  box-shadow: var(--shadow);
}

.info-card h3 {
  color: var(--primary-dark);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.85rem;
  margin-top: 0;
}

.info-card blockquote {
  border-left: none;
  padding: 0;
  margin: 0;
  font-style: italic;
  color: var(--text-2);
  font-size: 1.05rem;
  line-height: 1.75;
}

.info-card blockquote p {
  color: var(--text-2);
}

/* =============================================
   STATS ROW (standalone)
   ============================================= */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.stat-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.stat-box:hover {
  border-color: rgba(13, 148, 136, 0.25);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.stat-box .stat-number {
  font-family: 'Outfit', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  display: block;
}

.stat-box .stat-label {
  font-size: 0.75rem;
  color: var(--muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 0.35rem;
  display: block;
}

/* Stat boxes shown inside the dark hero panel sit in a narrow column,
   so keep columns shrinkable and tighten spacing to prevent overflow. */
.hero-panel .stats-row {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 0.5rem 0 0;
}

.hero-panel .stat-box {
  padding: 1rem 0.65rem;
  min-width: 0;
}

.hero-panel .stat-box .stat-number {
  font-size: 1.6rem;
}

.hero-panel .stat-box .stat-label {
  font-size: 0.68rem;
  letter-spacing: 0.03em;
}

/* =============================================
   BLOG INDEX — WEBLOG FEED
   ============================================= */
#quarto-content:has(.quarto-listing-container-default) {
  background:
    radial-gradient(ellipse 80% 50% at 10% 0%, rgba(13, 148, 136, 0.07), transparent 55%),
    radial-gradient(ellipse 60% 40% at 90% 8%, rgba(249, 115, 22, 0.05), transparent 50%),
    linear-gradient(180deg, #F1F5F9 0%, var(--bg) 28%, var(--bg) 100%);
}

#quarto-content:has(.quarto-listing-container-default) #quarto-document-content > p:first-of-type {
  color: var(--muted);
  font-size: 1.02rem;
  max-width: 52ch;
  margin-bottom: 1.5rem;
}

.quarto-listing-container-default {
  max-width: 780px;
}

.quarto-listing-container-default .listing-actions-group {
  display: flex;
  justify-content: flex-end;
  margin: 0.25rem 0 0.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.quarto-listing-container-default .quarto-listing-filter {
  max-width: 240px;
}

.quarto-listing-container-default .quarto-listing-filter .form-control,
.quarto-listing-container-default .quarto-listing-filter .input-group-text {
  background: var(--surface);
  border-color: var(--border);
}

.quarto-listing-container-default .quarto-post {
  display: grid !important;
  grid-template-columns: 7rem minmax(0, 1fr);
  grid-template-areas: "meta body";
  column-gap: 1.75rem;
  gap: 0 !important;
  align-items: start;
  padding: 1.85rem 0 !important;
  margin: 0 !important;
  border: none !important;
  border-bottom: 1px solid var(--border) !important;
  background: transparent;
  box-shadow: none;
  border-radius: 0;
}

.quarto-listing-container-default .quarto-post:first-child {
  padding-top: 1rem;
}

.quarto-listing-container-default .quarto-post:last-of-type {
  border-bottom: none;
}

.quarto-listing-container-default .quarto-post .metadata {
  grid-area: meta;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding-top: 0.35rem;
}

.quarto-listing-container-default .quarto-post .metadata a {
  text-decoration: none;
  color: inherit;
}

.quarto-listing-container-default .quarto-post .listing-date {
  font-family: 'Outfit', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-dark);
  line-height: 1.35;
}

.quarto-listing-container-default .quarto-post .listing-reading-time {
  font-size: 0.75rem;
  color: var(--muted-light);
  font-weight: 500;
}

.quarto-listing-container-default .quarto-post .body {
  grid-area: body;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.quarto-listing-container-default .quarto-post .listing-title {
  order: 1;
  font-family: 'Outfit', sans-serif;
  font-size: clamp(1.15rem, 2.2vw, 1.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin: 0 0 0.55rem;
}

.quarto-listing-container-default .quarto-post .listing-title a {
  color: var(--text);
  text-decoration: none;
  transition: color 0.2s ease;
}

.quarto-listing-container-default .quarto-post .listing-title a:hover {
  color: var(--primary-dark);
}

.quarto-listing-container-default .quarto-post .listing-description {
  order: 2;
  margin: 0 0 0.85rem;
  max-width: 58ch;
}

.quarto-listing-container-default .quarto-post .listing-description a,
.quarto-listing-container-default .quarto-post .listing-description p {
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.65;
  text-decoration: none;
  margin: 0;
}

.quarto-listing-container-default .quarto-post .listing-description a:hover {
  color: var(--text-2);
}

.quarto-listing-container-default .quarto-post .listing-categories {
  order: 3;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0;
}

.quarto-listing-container-default .quarto-post .listing-category {
  background: transparent !important;
  color: var(--primary-dark) !important;
  border: none !important;
  border-radius: 0 !important;
  padding: 0 !important;
  margin: 0 !important;
  font-size: 0.78rem !important;
  font-weight: 600 !important;
  letter-spacing: 0.02em;
  text-transform: none !important;
  cursor: pointer;
  transition: color 0.2s ease;
}

.quarto-listing-container-default .quarto-post .listing-category:not(:last-child)::after {
  content: "·";
  margin-left: 0.4rem;
  color: var(--muted-light);
  font-weight: 400;
}

.quarto-listing-container-default .quarto-post .listing-category:hover {
  color: var(--accent-dark);
  background: transparent;
}

/* Category sidebar as compact topic list */
.quarto-listing-category-title {
  font-family: 'Outfit', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.85rem;
}

.quarto-listing-category .category {
  font-size: 0.9rem;
  color: var(--text-2);
  padding: 0.4rem 0;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease;
  cursor: pointer;
}

.quarto-listing-category .category:hover,
.quarto-listing-category .category.active {
  color: var(--primary-dark);
  background: transparent;
}

.quarto-category-count {
  color: var(--muted-light);
  font-size: 0.8rem;
}

/* Keep legacy grid cards usable if used elsewhere */
.quarto-grid-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition-slow);
  position: relative;
}

.quarto-grid-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.quarto-grid-item .card-img-top {
  height: 220px;
  width: 100%;
  object-fit: cover;
  display: block;
}

.quarto-grid-item .card-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
}

.quarto-grid-item .listing-categories .listing-category {
  background: rgba(13, 148, 136, 0.07);
  color: var(--primary-dark);
  border: 1px solid rgba(13, 148, 136, 0.14);
  border-radius: var(--radius-full);
  padding: 0.22rem 0.6rem;
  font-size: 0.73rem;
  font-weight: 700;
}

/* =============================================
   PAPER HERO & COVER (blog posts)
   ============================================= */
.paper-hero {
  background: linear-gradient(135deg,
    rgba(13, 148, 136, 0.05) 0%,
    rgba(249, 115, 22, 0.04) 100%);
  border: 1px solid rgba(13, 148, 136, 0.15);
  border-radius: var(--radius);
  padding: 1.75rem 1.75rem 1.75rem 2.25rem;
  margin-bottom: 1.75rem;
  position: relative;
  overflow: hidden;
}

.paper-hero::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--gradient-accent);
}

.paper-hero-label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--gradient-accent);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.28rem 0.72rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.9rem;
}

.paper-hero h2 {
  font-size: 1.45rem;
  margin: 0 0 0.5rem;
  color: var(--text);
  line-height: 1.35;
}

.paper-hero p {
  color: var(--muted);
  margin: 0;
  font-size: 0.92rem;
}

.paper-hero-doi {
  margin-top: 0.45rem !important;
}

.paper-hero-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}

.paper-hero-link:hover {
  color: var(--accent);
  gap: 0.7rem;
}

.paper-cover {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  margin: 1.75rem 0 2.25rem;
  border: 1px solid var(--border);
  position: relative;
}

.paper-cover::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
  z-index: 10;
}

.paper-cover img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 600px;
  object-fit: cover;
  cursor: pointer;
  transition: opacity 0.2s ease;
}

.paper-cover img:hover {
  opacity: 0.92;
}

/* =============================================
   PROJECT CARDS
   ============================================= */
.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
  height: 100%;
  position: relative;
  overflow: hidden;
}

.project-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(13, 148, 136, 0.2);
}

.project-card:hover::after {
  transform: scaleX(1);
}

.project-card h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin: 0.25rem 0 0.65rem;
  line-height: 1.35;
}

.project-card h3 a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s;
}

.project-card h3 a:hover {
  color: var(--primary);
}

.project-card p {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.65;
  margin-bottom: 1rem;
}

.project-status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 0.03em;
  margin-bottom: 0.5rem;
}

.project-status::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  animation: pulseDot 2s ease-in-out infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.project-tags > p {
  display: contents;
  margin: 0;
}

.project-tag {
  display: inline-block;
  background: rgba(13, 148, 136, 0.07);
  color: var(--primary-dark);
  border: 1px solid rgba(13, 148, 136, 0.14);
  padding: 0.22rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: var(--transition);
}

.project-tag:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  font-size: 0.88rem;
  transition: var(--transition);
}

.project-link:hover {
  color: var(--accent);
  gap: 0.7rem;
}

.project-note {
  margin-top: 0.85rem;
  margin-bottom: 0;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-muted, #64748b);
}

/* =============================================
   PROJECT ARCHIVE TABLE
   ============================================= */
.table {
  border-radius: var(--radius-sm) !important;
  overflow: hidden;
  border: 1px solid var(--border) !important;
  box-shadow: var(--shadow-sm);
}

.table thead th {
  background: rgba(13, 148, 136, 0.07) !important;
  color: var(--primary-dark) !important;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-bottom: 2px solid rgba(13, 148, 136, 0.15) !important;
  padding: 0.85rem 1rem !important;
}

.table tbody tr:hover {
  background: rgba(13, 148, 136, 0.03) !important;
}

.table tbody td {
  padding: 0.8rem 1rem !important;
  font-size: 0.92rem;
  color: var(--text-2);
  vertical-align: middle;
  border-color: var(--border) !important;
}

/* =============================================
   PUBLICATIONS — ACADEMIC PROFILES
   ============================================= */
.academic-profiles {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0 2rem;
}

.profile-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.85rem;
  text-decoration: none;
  transition: var(--transition);
  border: 1.5px solid transparent;
}

.profile-badge:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  text-decoration: none;
}

.profile-badge.linkedin {
  background: rgba(0, 119, 181, 0.08);
  color: #0077B5;
  border-color: rgba(0, 119, 181, 0.2);
}

.profile-badge.linkedin:hover {
  background: #0077B5;
  color: #fff;
}

.profile-badge.scholar {
  background: rgba(66, 133, 244, 0.08);
  color: #3B72CF;
  border-color: rgba(66, 133, 244, 0.2);
}

.profile-badge.scholar:hover {
  background: #4285F4;
  color: #fff;
}

.profile-badge.orcid {
  background: rgba(166, 206, 57, 0.1);
  color: #4D9000;
  border-color: rgba(166, 206, 57, 0.25);
}

.profile-badge.orcid:hover {
  background: #A6CE39;
  color: #fff;
}

.profile-badge.researchgate {
  background: rgba(0, 204, 187, 0.08);
  color: #009688;
  border-color: rgba(0, 204, 187, 0.2);
}

.profile-badge.researchgate:hover {
  background: #00CCBB;
  color: #fff;
}

/* =============================================
   PUBLICATIONS — CITATION CARDS
   ============================================= */
.pub-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary-light);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 0.95rem 1.25rem;
  margin-bottom: 0.65rem;
  transition: var(--transition);
}

.pub-card:hover {
  border-left-color: var(--accent);
  background: rgba(13, 148, 136, 0.02);
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}

.pub-number {
  font-family: 'Outfit', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.2rem;
}

.pub-title {
  font-weight: 600;
  color: var(--text);
  font-size: 0.93rem;
  line-height: 1.45;
  margin-bottom: 0.25rem;
}

.pub-authors {
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.5;
}

.pub-authors strong {
  color: var(--primary-dark);
}

.pub-journal {
  font-size: 0.82rem;
  color: var(--muted-light);
  font-style: italic;
}

/* =============================================
   SKILLS PILLS
   ============================================= */
.skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0.6rem 0 1rem;
}

/* Quarto wraps inline spans in <p> — use display:contents to dissolve it */
.skills-grid > p {
  display: contents;
  margin: 0;
}

.skill-pill {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  color: var(--text-2);
  padding: 0.32rem 0.82rem;
  border-radius: var(--radius-full);
  font-size: 0.83rem;
  font-weight: 500;
  transition: var(--transition);
  cursor: default;
}

.skill-pill:hover {
  background: var(--primary-glow);
  border-color: rgba(13, 148, 136, 0.3);
  color: var(--primary-dark);
}

/* =============================================
   CALLOUTS
   ============================================= */
.callout {
  border-radius: var(--radius-sm);
  border-left-width: 4px;
  box-shadow: var(--shadow-sm);
}

/* =============================================
   PANEL TABSET
   ============================================= */
.panel-tabset .nav-tabs {
  border-bottom: 2px solid var(--border);
  gap: 0.25rem;
}

.panel-tabset .nav-tabs .nav-link {
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--muted);
  border: none;
  border-bottom: 2px solid transparent;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  padding: 0.55rem 1.1rem;
  transition: var(--transition);
  margin-bottom: -2px;
}

.panel-tabset .nav-tabs .nav-link:hover {
  color: var(--primary);
  background: rgba(13, 148, 136, 0.04);
  border-bottom-color: rgba(13, 148, 136, 0.3);
}

.panel-tabset .nav-tabs .nav-link.active {
  color: var(--primary-dark);
  background: rgba(13, 148, 136, 0.06);
  border-bottom-color: var(--primary);
}

.panel-tabset .tab-content {
  padding: 1.5rem 0.25rem 0.5rem;
}

/* =============================================
   FOOTER
   ============================================= */
.nav-footer {
  background: #0B1628;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 1.5rem 0;
  color: #ffffff;
}

.nav-footer p,
.nav-footer span,
.nav-footer div {
  color: #ffffff;
}

.nav-footer-left {
  color: #ffffffc7;
  font-size: 0.83rem;
}

.nav-footer-right a {
  color: #ffffffbd;
  transition: color 0.2s;
  font-size: 1.1rem;
}

.nav-footer-right a:hover {
  color: var(--primary-light);
}

/* =============================================
   CARD LINK UTILITY
   ============================================= */
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 600;
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
  font-size: 0.88rem;
}

.card-link:hover {
  color: var(--accent);
  gap: 0.6rem;
}

/* =============================================
   TOC
   ============================================= */
#TOC {
  font-size: 0.85rem;
}

#TOC .toc-active {
  color: var(--primary);
  font-weight: 600;
}

#TOC a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

#TOC a:hover {
  color: var(--primary);
}

/* =============================================
   BLOCKQUOTE
   ============================================= */
blockquote {
  border-left: 4px solid var(--primary-light);
  padding-left: 1.1rem;
  color: var(--text-2);
  font-style: italic;
  margin-left: 0;
}

.info-card blockquote,
.hero-panel blockquote {
  border-left: none;
  padding-left: 0;
}

/* =============================================
   LIGHTBOX
   ============================================= */
.lightbox-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(11, 22, 40, 0.96);
  z-index: 9999;
  animation: fadeIn 0.25s ease;
}

.lightbox-modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  animation: slideUp 0.28s ease;
}

.lightbox-content img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: var(--radius);
  box-shadow: 0 48px 80px -20px rgba(0, 0, 0, 0.7);
}

.lightbox-close {
  position: absolute;
  top: -44px;
  right: 0;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border: none;
  font-size: 1.4rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
  backdrop-filter: blur(8px);
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.22);
}

/* =============================================
   ANIMATIONS
   ============================================= */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 768px) {
  .hero-panel {
    padding: 2rem 1.5rem;
  }

  .hero-stats {
    gap: 1.5rem;
  }

  .hero-stat-number {
    font-size: 1.55rem;
  }

  .academic-profiles {
    flex-direction: column;
    align-items: flex-start;
  }

  .feature-card {
    padding: 1.25rem;
  }

  .quarto-listing-container-default .quarto-post {
    grid-template-columns: 1fr;
    gap: 0.45rem;
    padding: 1.4rem 0;
  }

  .quarto-listing-container-default .quarto-post .metadata {
    flex-direction: row;
    align-items: center;
    gap: 0.75rem;
  }
}

@media (max-width: 480px) {
  .hero-badges {
    gap: 0.35rem;
  }

  .hero-pill {
    font-size: 0.78rem;
  }
}

/* =============================================
   HERO SCIENCE MOTIF (PK/PD background)
   ============================================= */
.hero-panel > .hero-science {
  position: absolute;
  top: 50%;
  right: -2%;
  transform: translateY(-50%);
  width: min(54%, 560px);
  height: 90%;
  z-index: 0;
  opacity: 0.55;
  pointer-events: none;
}

.hero-photo {
  box-shadow: 0 24px 60px -12px rgba(0, 0, 0, 0.55),
              0 0 0 6px rgba(20, 184, 166, 0.12);
}

@media (max-width: 768px) {
  .hero-panel > .hero-science {
    opacity: 0.28;
    width: 78%;
    right: -8%;
  }
}

/* =============================================
   SIGNATURE PK/PD VISUALIZATION BAND
   ============================================= */
.signature-viz {
  background: linear-gradient(135deg,
    rgba(13, 148, 136, 0.05) 0%,
    rgba(249, 115, 22, 0.035) 100%);
  border: 1px solid rgba(13, 148, 136, 0.15);
  border-radius: var(--radius-lg);
  padding: 2rem 2.25rem;
  margin: 2.5rem 0 3rem;
  box-shadow: var(--shadow);
}

.signature-viz .viz-eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--primary);
  display: block;
  margin-bottom: 0.6rem;
}

.signature-viz .viz-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.4rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 0 0 0.75rem;
}

.signature-viz .viz-lead {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.7;
  margin: 0 0 1.25rem;
}

.viz-legend {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.viz-key {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.83rem;
  color: var(--text-2);
  font-weight: 500;
}

.viz-swatch {
  flex-shrink: 0;
  display: inline-block;
}

.viz-swatch-curve {
  width: 20px;
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--primary-dark), var(--primary-light));
}

.viz-swatch-mic {
  width: 20px;
  height: 0;
  border-top: 2.5px dashed var(--accent);
}

.viz-swatch-area {
  width: 18px;
  height: 12px;
  border-radius: 3px;
  background: rgba(20, 184, 166, 0.28);
}

.viz-swatch-bug {
  width: 16px;
  height: 7px;
  border-radius: 4px;
  background: var(--primary-dark);
  transform: rotate(-18deg);
}

.viz-figure {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
  box-shadow: var(--shadow-sm);
}

.viz-figure svg {
  width: 100%;
  height: auto;
  display: block;
  overflow: visible;
}

/* Entrance animations */
.viz-curve {
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  animation: vizDraw 2.2s cubic-bezier(0.4, 0, 0.2, 1) 0.25s forwards;
}

.viz-area,
.viz-cmax {
  opacity: 0;
  animation: vizFadeIn 0.9s ease 1.5s forwards;
}

.viz-bug {
  transform-box: fill-box;
  transform-origin: center;
  opacity: 0;
  animation: vizFadeIn 0.6s ease 1.8s forwards;
}

.viz-bug-clear {
  animation: vizFadeClear 0.7s ease 2.2s forwards;
}

@keyframes vizDraw {
  to { stroke-dashoffset: 0; }
}

@keyframes vizFadeIn {
  to { opacity: 1; }
}

@keyframes vizFadeClear {
  to { opacity: 0.4; }
}

@media (max-width: 768px) {
  .signature-viz {
    padding: 1.5rem 1.35rem;
  }
  .signature-viz .viz-title {
    font-size: 1.2rem;
  }
  .viz-figure {
    margin-top: 1.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .viz-curve { stroke-dashoffset: 0; animation: none; }
  .viz-area,
  .viz-cmax,
  .viz-bug { opacity: 1; animation: none; }
  .viz-bug-clear { opacity: 0.4; }
}