/* ============================================================
   Adrian Topala — Personal Site
   Premium dark theme with depth, motion, and polish
   ============================================================ */

/* --- Fonts --- */ /* bust=1 */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500&display=swap');

/* --- Design Tokens --- */
:root {
  --bg:             #0a0a0f;
  --bg-card:        rgba(255,255,255,0.03);
  --bg-card-hover:  rgba(255,255,255,0.06);
  --bg-glass:       rgba(255,255,255,0.04);
  --text:           #e8ecf1;
  --text-secondary: #9ca3af;
  --text-muted:     #6b7280;
  --accent:         #6366f1;
  --accent-light:   #818cf8;
  --accent-glow:    rgba(99,102,241,0.15);
  --accent-glow-strong: rgba(99,102,241,0.25);
  --accent-2:       #a78bfa;
  --accent-3:       #f472b6;
  --border:         rgba(255,255,255,0.06);
  --border-hover:   rgba(255,255,255,0.12);
  --code-bg:        #111118;
  --max-width:      1100px;
  --radius:         2px;
  --radius-lg:      2px;
  --transition:     0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans:      'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:      'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 17px; scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* Subtle noise texture overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
}

/* --- Links --- */
a { color: var(--accent-light); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-2); }

/* --- Scroll Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in:nth-child(2) { transition-delay: 0.08s; }
.fade-in:nth-child(3) { transition-delay: 0.16s; }
.fade-in:nth-child(4) { transition-delay: 0.24s; }
.fade-in:nth-child(5) { transition-delay: 0.32s; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
}
.site-header nav {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0.6rem 0 0;
  gap: 0;
}
.site-name {
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--text);
  letter-spacing: -0.03em;
  transition: color var(--transition);
  padding-bottom: 0.4rem;
}
.site-name:hover { color: var(--accent-light); }
.nav-links {
  display: flex;
  gap: 0;
  border-top: 1px solid var(--border);
  width: 100%;
  justify-content: center;
}
.nav-links a {
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0;
  position: relative;
  padding: 0.5rem 0.6rem;
  transition: color var(--transition);
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 1px;
  transition: width var(--transition);
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: var(--text); }
.nav-links a.active::after { width: 100%; }

/* ============================================================
   SECTION NAV
   ============================================================ */
.section-nav {
  position: sticky;
  top: 80px;
  z-index: 99;
  display: flex;
  justify-content: center;
  gap: 0.25rem;
  padding: 0 2rem;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
  transform: translateY(-100%);
  opacity: 0;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
}
.section-nav.visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}
.section-nav a {
  display: inline-block;
  padding: 0.6rem 0.9rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.01em;
  position: relative;
  transition: color var(--transition);
}
.section-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0.9rem;
  right: 0.9rem;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 1px;
  transform: scaleX(0);
  transition: transform var(--transition);
}
.section-nav a:hover { color: var(--text); }
.section-nav a:hover::after { transform: scaleX(1); }
.section-nav a.active { color: var(--accent-light); }
.section-nav a.active::after { transform: scaleX(1); }

/* ============================================================
   MAIN
   ============================================================ */
main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 3rem 6rem;
  flex: 1;
  width: 100%;
  position: relative;
  z-index: 1;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  margin-bottom: 2rem;
  position: relative;
  padding: 1rem 0 1rem;
}

/* Gradient orb behind hero */
.hero::before {
  content: '';
  position: absolute;
  top: -20px;
  left: -120px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: orbFloat 8s ease-in-out infinite;
}
.hero::after {
  content: '';
  position: absolute;
  top: -10px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(167,139,250,0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: orbFloat 10s ease-in-out infinite reverse;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(15px, -20px) scale(1.05); }
  66% { transform: translate(-10px, 10px) scale(0.97); }
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: 1.5rem;
  position: relative;
}
.hero-label::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--accent-glow-strong);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--text) 0%, var(--text-secondary) 50%, var(--accent-light) 100%);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 6s ease-in-out infinite;
}
@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.hero-roles {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}
.hero-roles span {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  font-size: 0.82rem;
  font-weight: 500;
  border-radius: 100px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: all var(--transition);
}
.hero-roles span:hover {
  border-color: var(--accent);
  color: var(--accent-light);
  background: var(--accent-glow);
}

.hero-statement {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 1rem;
  line-height: 1.35;
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.85;
  max-width: 680px;
  margin-bottom: 1.5rem;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.85;
  max-width: 600px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  font-weight: 500;
}
.hero-meta-sep { color: var(--border-hover); }

/* ============================================================
   SOCIAL PROOF MARQUEE
   ============================================================ */
.proof {
  margin-bottom: 4rem;
}
.proof-label {
  text-align: center;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.4rem;
}
.marquee-outer {
  position: relative;
  overflow: hidden;
  max-width: 100vw;
  border-top: 1px solid rgba(255,255,255,0.12);
  border-bottom: 1px solid rgba(255,255,255,0.12);
  padding: 2rem 0;
  background: #2a2d3a;
}
/* fade edges */
.marquee-outer::before,
.marquee-outer::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 120px;
  z-index: 2;
  pointer-events: none;
}
.marquee-outer::before {
  left: 0;
  background: linear-gradient(90deg, #2a2d3a, transparent);
}
.marquee-outer::after {
  right: 0;
  background: linear-gradient(270deg, #2a2d3a, transparent);
}
.marquee-track {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 3.5rem;
  width: max-content;
  animation: marquee 28s linear infinite;
}
.marquee-track:hover { animation-play-state: paused; }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
/* each item is a flex column: logo on top, caption below */
.marquee-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  opacity: 0.75;
  transition: opacity var(--transition);
  flex-shrink: 0;
  width: 200px;
}
.marquee-item:hover { opacity: 1; }
.marquee-item img {
  display: block;
  height: 36px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
}
.marquee-caption {
  display: block;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text);
  white-space: nowrap;
  text-align: center;
}
.marquee-caption + .marquee-caption {
  font-weight: 400;
  color: var(--text);
  text-transform: none;
  letter-spacing: 0.02em;
}
.marquee-item--pill {
  font-size: 0.9rem;
  font-weight: 700;
  font-family: var(--font-sans);
  padding: 0.25rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-muted);
  letter-spacing: 0.01em;
}

/* ============================================================
   INDUSTRIES
   ============================================================ */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.75rem;
}
.industry-card {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 1rem 1.2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.industry-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
}
.industry-icon { font-size: 1.3rem; }
.industry-name {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text);
}
.industry-context {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* ============================================================
   DOMAIN CARDS — What I Do
   ============================================================ */
.domain-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1rem;
}
.domain-card {
  padding: 1.6rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.domain-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top left, var(--accent-glow), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}
.domain-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}
.domain-card:hover::after { opacity: 1; }
.domain-icon {
  font-size: 1.6rem;
  margin-bottom: 0.8rem;
  display: block;
}
.domain-card h3 {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
  color: var(--text);
}
.domain-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 0.75rem;
}
.domain-best-for {
  font-size: 0.78rem !important;
  color: var(--text-muted) !important;
  border-top: 1px solid var(--border);
  padding-top: 0.75rem;
  margin-bottom: 0 !important;
}

/* ============================================================
   STATS — Horizontal stat bar
   ============================================================ */
.stats {
  margin-left: 0;
  margin-right: 0;
  padding: 0;
}
.stats-track {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2rem 2.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  gap: 0.5rem;
  overflow-x: auto;
  scrollbar-width: none;
  position: relative;
}
.stats-track::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(99,102,241,0.05) 0%, rgba(167,139,250,0.05) 100%);
  border-radius: var(--radius-lg);
  pointer-events: none;
}
.stats-track::-webkit-scrollbar { display: none; }
.stat-item {
  text-align: center;
  flex-shrink: 0;
  padding: 0 0.5rem;
}
.stat-number {
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 0.4rem;
  background: linear-gradient(135deg, var(--text) 0%, var(--accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  white-space: nowrap;
  letter-spacing: 0.01em;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
  flex-shrink: 0;
}

/* ============================================================
   TIMELINE — Selected Work
   ============================================================ */
.timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: 100%;
  overflow: hidden;
}
.timeline-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  padding: 1.6rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  width: 100%;
  box-sizing: border-box;
}
.timeline-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  opacity: 0;
  transition: opacity var(--transition);
}
.timeline-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateX(4px);
}
.timeline-card:hover::before { opacity: 1; }
.timeline-period {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  font-family: var(--font-mono);
  padding-top: 0.2rem;
  line-height: 1.4;
  white-space: nowrap;
}
.timeline-company {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.15rem;
  letter-spacing: -0.01em;
}
.timeline-role {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--accent-light);
  margin-bottom: 0.75rem;
}
.timeline-body {
  min-width: 0;
}
.timeline-body p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 0.9rem;
}
.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.75rem;
  overflow: hidden;
}
.timeline-tags span {
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0.25rem 0.9rem;
  border-radius: 100px;
  background: rgba(99,102,241,0.08);
  border: 1px solid rgba(99,102,241,0.2);
  color: var(--accent-light);
}

/* ============================================================
   TECH — Card grid
   ============================================================ */
.tech-subtitle {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 1.8rem;
  margin-top: -1rem;
}
.tech-card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.tech-card {
  padding: 1.4rem 1.6rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.tech-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
}
.tech-card--full {
  grid-column: 1 / -1;
}
.tech-card-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1rem;
}
.tech-card-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
}
.tech-card-header h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
}
.tech-card-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Per-card accent colors */
.tech-card { --card-accent: #6366f1; }
.tc-indigo { --card-accent: #6366f1; }
.tc-emerald { --card-accent: #10b981; }
.tc-amber { --card-accent: #f59e0b; }
.tc-violet { --card-accent: #a78bfa; }
.tc-red { --card-accent: #ef4444; }
.tc-blue { --card-accent: #3b82f6; }
.tc-pink { --card-accent: #ec4899; }
.tc-orange { --card-accent: #f97316; }
.tech-card:hover {
  border-color: var(--card-accent);
  box-shadow: 0 0 0 1px var(--card-accent), 0 8px 32px rgba(0,0,0,0.3);
}
.tech-card .tech-card-icon {
  background: color-mix(in srgb, var(--card-accent) 15%, transparent);
  color: var(--card-accent);
}

/* ============================================================
   TECH — Grouped pills (legacy, kept for pills reuse)
   ============================================================ */
.tech-groups {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
.tech-group {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 1rem;
  align-items: start;
  padding: 1.2rem 1.4rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--transition);
}
.tech-group:hover { border-color: var(--border-hover); }
.tech-group-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  padding-top: 0.25rem;
}
.tech-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.tech-pills span {
  font-size: 0.82rem;
  font-weight: 500;
  padding: 0.25rem 0.7rem;
  border-radius: 100px;
  background: var(--bg-card-hover);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: all var(--transition);
  cursor: default;
}
.tech-pills span:hover {
  border-color: var(--accent);
  color: var(--accent-light);
  background: var(--accent-glow);
}

/* ============================================================
   AWARD BANNER
   ============================================================ */
.award-banner {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 1.4rem 1.6rem;
  background: linear-gradient(135deg, rgba(99,102,241,0.08), rgba(167,139,250,0.08));
  border: 1px solid rgba(99,102,241,0.25);
  border-radius: var(--radius);
}
.award-banner .award-icon { font-size: 1.8rem; flex-shrink: 0; }
.award-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.25rem;
}
.award-detail {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ============================================================
   SECTION TITLES
   ============================================================ */
section { margin-bottom: 4rem; scroll-margin-top: 90px; }

.section-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.8rem;
}
.section-header h2 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}
.section-header .line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--border-hover), transparent);
}

/* ============================================================
   HIGHLIGHTS — Card Grid
   ============================================================ */
.highlights-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.highlight-card {
  padding: 1.4rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.highlight-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  opacity: 0;
  transition: opacity var(--transition);
}
.highlight-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-2px);
}
.highlight-card:hover::before { opacity: 1; }

.highlight-card .metric {
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--accent-light), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
  margin-bottom: 0.3rem;
}
.highlight-card .highlight-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}
.highlight-card .highlight-context {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

/* Full-width card for the award */
.highlight-card.full-width {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 1.2rem;
}
.highlight-card.full-width .award-icon {
  font-size: 2rem;
  flex-shrink: 0;
}
.highlight-card.full-width .highlight-text {
  flex: 1;
}

/* ============================================================
   TESTIMONIAL — Chat Widget
   ============================================================ */
.chat-widget {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.75rem;
}
.chat-bubble-trigger {
  position: relative;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 24px rgba(99,102,241,0.4);
  transition: transform var(--transition), box-shadow var(--transition);
  animation: chatBounce 3s ease-in-out 2s infinite;
}
.chat-bubble-trigger:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 32px rgba(99,102,241,0.6);
  animation: none;
}
@keyframes chatBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}
.chat-avatar {
  font-size: 0.82rem;
  font-weight: 800;
  color: white;
  letter-spacing: 0.02em;
}
.chat-notify-dot {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 12px;
  height: 12px;
  background: #22c55e;
  border-radius: 50%;
  border: 2px solid var(--bg);
  animation: pulse 2s ease-in-out infinite;
}
.chat-popup {
  position: absolute;
  bottom: calc(100% + 0.75rem);
  right: 0;
  width: 320px;
  background: #1a1a24;
  border: 1px solid var(--border-hover);
  border-radius: 16px;
  box-shadow: 0 24px 64px rgba(0,0,0,0.6), 0 0 0 1px rgba(99,102,241,0.1);
  overflow: hidden;
  transform: scale(0.85) translateY(16px);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
              opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  transform-origin: bottom right;
}
.chat-popup.open {
  transform: scale(1) translateY(0);
  opacity: 1;
  pointer-events: all;
}
.chat-popup-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.1rem;
  background: rgba(99,102,241,0.08);
  border-bottom: 1px solid var(--border);
}
.chat-popup-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 800;
  color: white;
  flex-shrink: 0;
}
.chat-popup-meta { flex: 1; min-width: 0; }
.chat-popup-name {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text);
}
.chat-popup-title {
  font-size: 0.72rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.chat-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.3rem;
  cursor: pointer;
  line-height: 1;
  padding: 0.2rem;
  transition: color var(--transition);
  flex-shrink: 0;
}
.chat-close:hover { color: var(--text); }
.chat-popup-body {
  padding: 1.1rem;
  min-height: 60px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.chat-typing {
  display: flex;
  gap: 4px;
  align-items: center;
  padding: 0.6rem 0.9rem;
  background: var(--bg-card);
  border-radius: 12px 12px 12px 3px;
  width: fit-content;
  margin-bottom: 0.75rem;
}
.chat-typing span {
  width: 7px;
  height: 7px;
  background: var(--text-muted);
  border-radius: 50%;
  animation: typingDot 1.2s ease-in-out infinite;
}
.chat-typing span:nth-child(2) { animation-delay: 0.2s; }
.chat-typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typingDot {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-5px); opacity: 1; }
}
.chat-message {
  display: none;
  background: linear-gradient(135deg, rgba(99,102,241,0.12), rgba(167,139,250,0.08));
  border: 1px solid rgba(99,102,241,0.2);
  border-radius: 12px 12px 12px 3px;
  padding: 0.9rem 1rem;
  animation: messageIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes messageIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.chat-message p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 0.5rem;
}
.chat-message p:last-of-type { margin-bottom: 0.6rem; }
.chat-message-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.3rem;
  font-size: 0.72rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  padding-top: 0.5rem;
  margin-top: 0.25rem;
}
.chat-linkedin {
  font-size: 0.72rem;
  font-weight: 600;
  color: #0a66c2;
  text-decoration: none;
  transition: color var(--transition);
}
.chat-linkedin:hover { color: #0d80f2; }
.chat-timestamp {
  color: var(--accent-light);
  font-weight: 500;
}
@keyframes chatArrived {
  0%   { transform: scale(1); box-shadow: 0 4px 24px rgba(99,102,241,0.4); }
  40%  { transform: scale(1.25); box-shadow: 0 6px 40px rgba(99,102,241,0.8); }
  100% { transform: scale(1); box-shadow: 0 4px 24px rgba(99,102,241,0.4); }
}
.chat-arrived {
  animation: chatArrived 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards !important;
}


/* ============================================================
   ARTICLE LIST (Home + List page)
   ============================================================ */
.latest-articles ul,
.post-list { list-style: none; }

.latest-articles li,
.post-list li {
  padding: 1.4rem 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  margin-bottom: 0.75rem;
  transition: all var(--transition);
  position: relative;
}
.latest-articles li:hover,
.post-list li:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateX(4px);
}

.latest-articles li a,
.post-list li a {
  font-size: 1.05rem;
  font-weight: 600;
  display: block;
  margin-bottom: 0.3rem;
  color: var(--text);
  transition: color var(--transition);
}
.latest-articles li a:hover,
.post-list li a:hover { color: var(--accent-light); }

.latest-articles time,
.post-list time {
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 500;
}
.latest-articles li p,
.post-list li p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 0.4rem;
  line-height: 1.6;
}

/* ============================================================
   POST — Single Article
   ============================================================ */

/* Reading progress bar */
.reading-progress {
  position: fixed;
  top: 64px;
  left: 0;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--accent-3));
  z-index: 99;
  transition: width 0.1s linear;
}

.post-header { margin-bottom: 3rem; }
.post-header h1 {
  font-size: 2.4rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.15;
  margin-bottom: 1rem;
}
.post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 500;
}
.post-meta .separator { color: var(--border-hover); }
.post-meta .tags { display: inline-flex; gap: 0.4rem; }
.post-meta .tags a {
  padding: 0.2rem 0.6rem;
  font-size: 0.78rem;
  font-weight: 500;
  border-radius: 100px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: all var(--transition);
}
.post-meta .tags a:hover {
  border-color: var(--accent);
  color: var(--accent-light);
  background: var(--accent-glow);
}

/* ============================================================
   POST CONTENT — Typography
   ============================================================ */
.post-content { font-size: 1.02rem; }

.post-content h2 {
  font-size: 1.5rem;
  font-weight: 800;
  margin: 3rem 0 1.2rem;
  letter-spacing: -0.03em;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}
.post-content h2:first-child { border-top: none; padding-top: 0; }

.post-content h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 2.2rem 0 0.8rem;
  letter-spacing: -0.02em;
  color: var(--text);
}
.post-content h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 1.8rem 0 0.6rem;
  color: var(--text-secondary);
}
.post-content p { margin-bottom: 1.3rem; color: var(--text-secondary); }
.post-content p strong { color: var(--text); font-weight: 600; }

.post-content ul, .post-content ol {
  margin-bottom: 1.3rem;
  padding-left: 1.5rem;
  color: var(--text-secondary);
}
.post-content li { margin-bottom: 0.4rem; }
.post-content li strong { color: var(--text); }

.post-content blockquote {
  border-left: 3px solid var(--accent);
  padding: 1rem 1.5rem;
  margin: 1.8rem 0;
  background: var(--bg-card);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.post-content blockquote p {
  color: var(--text-secondary);
  margin-bottom: 0;
  font-style: italic;
}

.post-content img {
  max-width: 100%;
  border-radius: var(--radius);
  margin: 2rem 0;
  border: 1px solid var(--border);
}

.post-content code {
  background: var(--code-bg);
  padding: 0.15rem 0.45rem;
  border-radius: 5px;
  font-size: 0.86rem;
  font-family: var(--font-mono);
  border: 1px solid var(--border);
  color: var(--accent-2);
}
.post-content pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem 1.6rem;
  overflow-x: auto;
  margin: 1.8rem 0;
  position: relative;
}
.post-content pre code {
  background: none;
  padding: 0;
  font-size: 0.84rem;
  line-height: 1.65;
  border: none;
  color: var(--text-secondary);
}

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

.post-content a {
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(99,102,241,0.3);
  transition: text-decoration-color var(--transition), color var(--transition);
}
.post-content a:hover {
  text-decoration-color: var(--accent-light);
}

/* Checkbox lists */
.post-content ul li input[type="checkbox"] {
  margin-right: 0.5rem;
  accent-color: var(--accent);
}

/* ============================================================
   LIST PAGE
   ============================================================ */
.list-page h1 {
  font-size: 2.4rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  margin-bottom: 0.5rem;
}
.list-intro {
  margin-bottom: 2.5rem;
  color: var(--text-secondary);
  font-size: 1.05rem;
}

/* ============================================================
   ABOUT PAGE — Career Timeline
   ============================================================ */
.post-content h2 + p,
.post-content h2 + ul { margin-top: 0; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 3rem 2rem;
  text-align: center;
  position: relative;
  z-index: 1;
}
.site-footer p {
  color: var(--text-muted);
  font-size: 0.82rem;
  margin-top: 0.8rem;
}
.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
}
.footer-links a {
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 500;
  transition: color var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.footer-links a:hover { color: var(--text); }
.footer-links a svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 640px) {
  html { font-size: 16px; }
  .hero h1 { font-size: 2.4rem; }
  .hero-statement { font-size: 1.3rem; }
  .hero-sub { font-size: 0.95rem; }
  .hero::before, .hero::after { display: none; }
  .domain-grid { grid-template-columns: 1fr; }
  .domain-best-for { font-size: 0.75rem !important; }
  .stats { margin-left: 0; margin-right: 0; padding: 0; }
  .stats-track { padding: 1.5rem; justify-content: flex-start; gap: 0; }
  .stat-number { font-size: 1.5rem; }
  .timeline-period { padding-top: 0; }
  .timeline-body { min-width: 0; }
  .timeline-tags { flex-wrap: wrap; }
  .timeline-tags span { font-size: 0.68rem; padding: 0.2rem 0.6rem; }
  .tech-card-grid { grid-template-columns: 1fr; }
  .award-banner { flex-direction: column; align-items: flex-start; gap: 0.8rem; }
  .highlights-grid { grid-template-columns: 1fr; }
  .highlight-card.full-width { flex-direction: column; align-items: flex-start; }
  main { padding: 2.5rem 1.2rem 4rem; }
  .site-header { padding: 0 1.2rem; }
  .post-header h1 { font-size: 1.8rem; }
  .list-page h1 { font-size: 1.8rem; }
  .testimonial { padding: 1.5rem; }
}

@media (max-width: 380px) {
  .hero h1 { font-size: 2rem; }
  .hero-statement { font-size: 1.1rem; }
  .hero-roles span { font-size: 0.75rem; padding: 0.25rem 0.65rem; }
}