/* ===== CSS Variables / Theming ===== */
:root {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 5rem;

  --max-width: 900px;
  --nav-height: 64px;
  --radius: 12px;
  --radius-sm: 8px;
}

/* Light theme */
[data-theme="light"] {
  --bg: #fafafa;
  --bg-alt: #f0f0f0;
  --surface: #ffffff;
  --text: #1a1a2e;
  --text-secondary: #555570;
  --text-muted: #8888a0;
  --accent: #4361ee;
  --accent-light: #e8edff;
  --accent-hover: #3a56d4;
  --accent-2: #7c3aed;
  --border: #e2e2ee;
  --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 4px 12px rgba(0,0,0,0.04);
  --shadow-lg: 0 4px 20px rgba(0,0,0,0.08);
  --award-color: #d4380d;
  --tag-bg: #eef1ff;
  --tag-text: #4361ee;
  --nav-bg: rgba(250,250,250,0.85);
  --code-bg: #f4f4f8;
  --selection-bg: rgba(67, 97, 238, 0.2);
  --gradient-start: #4361ee;
  --gradient-end: #7c3aed;
}

/* Dark theme */
[data-theme="dark"] {
  --bg: #0f0f1a;
  --bg-alt: #161628;
  --surface: #1c1c30;
  --text: #e8e8f0;
  --text-secondary: #a0a0b8;
  --text-muted: #6a6a80;
  --accent: #6c85f7;
  --accent-light: #1e2248;
  --accent-hover: #8da0ff;
  --accent-2: #a78bfa;
  --border: #2a2a40;
  --shadow: 0 1px 3px rgba(0,0,0,0.2), 0 4px 12px rgba(0,0,0,0.15);
  --shadow-lg: 0 4px 20px rgba(0,0,0,0.3);
  --award-color: #ff6b4a;
  --tag-bg: #1e2248;
  --tag-text: #8da0ff;
  --nav-bg: rgba(15,15,26,0.85);
  --code-bg: #1a1a2e;
  --selection-bg: rgba(108, 133, 247, 0.25);
  --gradient-start: #6c85f7;
  --gradient-end: #a78bfa;
}

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

::selection {
  background: var(--selection-bg);
  color: var(--text);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  transition: background 0.3s, color 0.3s;
  -webkit-font-smoothing: antialiased;
}

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

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

/* Animated underline for inline links (not buttons, nav, etc.) */
.about-content a,
.news-text a,
.timeline-content a,
.talk-info a,
.award-info a:not(.award-links a) {
  position: relative;
}

.about-content a::after,
.news-text a::after,
.timeline-content a::after,
.talk-info a::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--accent);
  transition: width 0.3s ease;
}

.about-content a:hover::after,
.news-text a:hover::after,
.timeline-content a:hover::after,
.talk-info a:hover::after {
  width: 100%;
}

strong {
  font-weight: 600;
}

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

/* Focus styles */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 100;
  transition: background 0.3s, box-shadow 0.3s;
}

.nav.scrolled {
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: var(--space-lg);
}

.nav-logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-logo:hover {
  opacity: 0.8;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--space-sm);
  margin-left: auto;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  transition: color 0.2s, background 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
  background: var(--accent-light);
}

/* Theme toggle */
.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 1.1rem;
  transition: background 0.2s, color 0.2s, transform 0.3s;
}

.theme-toggle:hover {
  background: var(--accent-light);
  color: var(--accent);
  transform: rotate(20deg);
}

[data-theme="light"] .theme-toggle .fa-sun { display: none; }
[data-theme="dark"] .theme-toggle .fa-moon { display: none; }

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-2xl);
  align-items: center;
}

.hero-greeting {
  font-size: 1.1rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: var(--space-xs);
  letter-spacing: 0.02em;
}

.hero-name {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: var(--space-sm);
  background: linear-gradient(135deg, var(--text) 0%, var(--gradient-start) 50%, var(--gradient-end) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% 200%;
  animation: gradientShift 6s ease infinite;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.hero-title {
  font-size: 1.25rem;
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: var(--space-xs);
}

.hero-affiliation {
  font-size: 1.1rem;
  margin-bottom: var(--space-lg);
}

.hero-desc {
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: var(--space-lg);
  font-size: 1.05rem;
}

.hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* Avatar with animated gradient ring */
.avatar-wrapper {
  position: relative;
  padding: 5px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end), var(--gradient-start));
  background-size: 200% 200%;
  animation: gradientRing 4s ease infinite;
}

@keyframes gradientRing {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.avatar {
  width: 280px;
  height: 280px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--bg);
  display: block;
  transition: transform 0.3s;
}

.avatar:hover {
  transform: scale(1.03);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  color: #fff;
}

.btn-primary:hover {
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(67, 97, 238, 0.35);
  filter: brightness(1.1);
}

.btn-outline {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

/* ===== Sections ===== */
.section {
  padding: var(--space-2xl) 0;
}

.section-alt {
  background: var(--bg-alt);
}

.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-xl);
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 40px;
  height: 3px;
  background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
  border-radius: 2px;
}

/* ===== About ===== */
.about-content p {
  margin-bottom: var(--space-md);
  color: var(--text-secondary);
}

.about-content p:last-of-type {
  margin-bottom: var(--space-lg);
}

.interests {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.tag {
  display: inline-block;
  padding: 0.35rem 0.9rem;
  background: var(--tag-bg);
  color: var(--tag-text);
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  transition: transform 0.2s, box-shadow 0.2s;
}

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

/* ===== News ===== */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.news-item {
  display: flex;
  align-items: baseline;
  gap: var(--space-lg);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
}

.news-item:last-child {
  border-bottom: none;
}

.news-date {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  white-space: nowrap;
  min-width: 80px;
  font-family: var(--font-mono);
  position: relative;
  padding-left: 14px;
}

.news-date::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
}

.news-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.highlight-award {
  color: var(--award-color);
}

/* ===== Publications ===== */
.pub-year {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
}

.pub-year:first-of-type {
  margin-top: 0;
}

.pub-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
  position: relative;
}

.pub-card:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-lg);
}

.pub-card:has(.pub-venue-badge.award) {
  border-left-color: var(--award-color);
}

.pub-venue-badge {
  display: inline-block;
  padding: 0.2rem 0.7rem;
  background: var(--accent-light);
  color: var(--accent);
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: var(--space-sm);
}

.pub-venue-badge.award {
  background: rgba(212, 56, 13, 0.1);
  color: var(--award-color);
}

.pub-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  line-height: 1.4;
}

.pub-authors {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-xs);
}

.pub-venue {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

.pub-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.pub-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.82rem;
  font-weight: 500;
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-sm);
  background: var(--accent-light);
  color: var(--accent);
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
}

.pub-links a:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(67, 97, 238, 0.25);
}

/* ===== Awards ===== */
.about-content + .award-card-featured {
  margin-top: var(--space-xl);
}

.award-card-featured {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  padding: var(--space-lg);
  transition: transform 0.2s, box-shadow 0.2s;
  position: relative;
}

/* Subtle gradient accent on top edge */
.award-card-featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--award-color), #ff9a56);
}

.award-card-featured:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.award-image {
  flex-shrink: 0;
  width: 300px;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.award-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.3s;
}

.award-card-featured:hover .award-image img {
  transform: scale(1.02);
}

.award-card-featured .award-info {
  padding: 0;
}

.award-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.3rem 0.9rem;
  background: rgba(212, 56, 13, 0.1);
  color: var(--award-color);
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.award-info h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  white-space: nowrap;
}

.award-info p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.award-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.award-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.82rem;
  font-weight: 500;
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-sm);
  background: var(--accent-light);
  color: var(--accent);
  transition: background 0.2s, transform 0.2s;
}

.award-links a:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-1px);
}

/* ===== Talks ===== */
.talks-list {
  display: flex;
  flex-direction: column;
}

.talk-item {
  display: flex;
  align-items: baseline;
  gap: var(--space-lg);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--border);
}

.talk-item:last-child {
  border-bottom: none;
}

.talk-date {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  white-space: nowrap;
  min-width: 80px;
  font-family: var(--font-mono);
}

.talk-info h3 {
  font-size: 0.98rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.talk-info p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

@media (max-width: 768px) {
  .talk-item {
    flex-direction: column;
    gap: var(--space-xs);
  }
}

/* ===== Timeline (Experience) ===== */
.timeline {
  position: relative;
  padding-left: 28px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--gradient-start), var(--gradient-end), var(--border));
}

.timeline-item {
  position: relative;
  padding-bottom: var(--space-xl);
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: -24px;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
  box-shadow: 0 0 0 2px var(--accent);
}

/* Pulse animation on the first (most recent) timeline marker */
.timeline-item:first-child .timeline-marker {
  animation: pulse 2s ease infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 2px var(--accent); }
  50% { box-shadow: 0 0 0 5px var(--accent-light); }
}

.timeline-date {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
  font-family: var(--font-mono);
}

.timeline-content h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: var(--space-xs) 0;
}

.timeline-org {
  font-weight: 500;
  color: var(--text-secondary);
  font-size: 0.92rem;
  margin-bottom: var(--space-xs);
}

.timeline-content p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ===== Education ===== */
.edu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.edu-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-lg);
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
  position: relative;
  overflow: hidden;
}

.edu-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
}

.edu-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.edu-icon {
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: var(--space-md);
}

.edu-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.edu-school {
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.edu-year {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-top: var(--space-xs);
}

/* ===== Footer ===== */
.footer {
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--border);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-content p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: var(--space-md);
}

.footer-links a {
  color: var(--text-muted);
  font-size: 1.1rem;
  transition: color 0.2s, transform 0.2s;
}

.footer-links a:hover {
  color: var(--accent);
  transform: translateY(-2px);
}

/* ===== Scroll-to-top Button ===== */
.scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: 0 4px 12px rgba(67, 97, 238, 0.3);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.3s, transform 0.3s, background 0.2s;
  pointer-events: none;
  z-index: 50;
}

.scroll-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.scroll-top:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
}

/* ===== Scroll Reveal Animation ===== */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children in hero */
.hero .reveal:nth-child(1) { transition-delay: 0s; }
.hero .reveal:nth-child(2) { transition-delay: 0.08s; }
.hero .reveal:nth-child(3) { transition-delay: 0.16s; }
.hero .reveal:nth-child(4) { transition-delay: 0.24s; }
.hero .reveal:nth-child(5) { transition-delay: 0.32s; }
.hero .reveal:nth-child(6) { transition-delay: 0.40s; }

.hero-image.reveal { transition-delay: 0.2s; }

/* ===== CV Page ===== */
.cv-page {
  padding-top: calc(var(--nav-height) + var(--space-xl));
  padding-bottom: var(--space-2xl);
  min-height: 80vh;
}

.cv-container {
  max-width: 800px;
}

.cv-actions {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.cv-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-xl);
  border-bottom: 2px solid var(--border);
}

.cv-header h1 {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.cv-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-top: var(--space-xs);
}

.cv-contact {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-md) var(--space-lg);
  margin-top: var(--space-md);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.cv-contact i {
  margin-right: 0.3rem;
  color: var(--accent);
}

.cv-section {
  margin-bottom: var(--space-xl);
}

.cv-section-title {
  font-size: 1.2rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  border-bottom: 2px solid var(--accent);
  padding-bottom: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.cv-entry {
  margin-bottom: var(--space-lg);
}

.cv-entry:last-child {
  margin-bottom: 0;
}

.cv-entry-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.cv-entry-header h3 {
  font-size: 0.98rem;
  font-weight: 600;
}

.cv-entry-date {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-muted);
  font-family: var(--font-mono);
  white-space: nowrap;
}

.cv-entry p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: var(--space-xs);
}

.cv-pub-links {
  display: flex;
  gap: var(--space-sm);
}

.cv-pub-links a {
  font-size: 0.82rem;
  font-weight: 500;
}

.cv-year-heading {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--border);
}

.cv-year-heading:first-of-type {
  margin-top: 0;
}

.cv-award {
  display: inline-block;
  background: rgba(212, 56, 13, 0.1);
  color: var(--award-color);
  padding: 0.1rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
}

/* ===== Print Styles ===== */
@media print {
  .no-print,
  .nav,
  .footer,
  .theme-toggle,
  .scroll-top {
    display: none !important;
  }

  body {
    font-size: 11pt;
    color: #000;
    background: #fff;
  }

  .cv-page {
    padding-top: 0;
  }

  .cv-header {
    border-bottom-color: #000;
  }

  .cv-section-title {
    color: #000;
    border-bottom-color: #000;
  }

  a {
    color: #000;
    text-decoration: underline;
  }

  .cv-award {
    background: none;
    color: #d4380d;
    font-weight: 700;
  }
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--surface);
    flex-direction: column;
    padding: var(--space-lg);
    gap: var(--space-xs);
    border-bottom: 1px solid var(--border);
    transform: translateY(-100%);
    opacity: 0;
    transition: transform 0.3s, opacity 0.3s;
    pointer-events: none;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    text-align: center;
  }

  .hero-image {
    order: -1;
  }

  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-links {
    justify-content: center;
  }

  .avatar {
    width: 200px;
    height: 200px;
  }

  .news-item {
    flex-direction: column;
    gap: var(--space-xs);
  }

  .news-date {
    min-width: auto;
  }

  .award-card-featured {
    flex-direction: column;
  }

  .award-image {
    width: 100%;
  }

  .footer-content {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

  .cv-entry-header {
    flex-direction: column;
    gap: var(--space-xs);
  }

  .cv-actions {
    flex-direction: column;
  }

  .scroll-top {
    bottom: 1.5rem;
    right: 1.5rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }

  .hero-name {
    font-size: 2rem;
  }

  .section {
    padding: var(--space-xl) 0;
  }

  .pub-card {
    padding: var(--space-md);
  }
}