@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: #1a1a1a;
  background: #fff;
  line-height: 1.7;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

a {
  color: #2563eb;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #1d4ed8;
}

::selection {
  background: #dbeafe;
  color: #1e3a5f;
}

/* ── Navigation ─────────────────────────────── */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.navbar-inner {
  max-width: 1060px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-name {
  font-weight: 600;
  font-size: 16px;
  color: #1a1a1a;
  letter-spacing: -0.01em;
}

.navbar-name:hover {
  color: #1a1a1a;
}

.navbar-links {
  display: flex;
  gap: 28px;
  list-style: none;
}

.navbar-links a {
  color: #64748b;
  font-size: 13.5px;
  font-weight: 450;
  letter-spacing: 0.01em;
  transition: color 0.2s ease;
}

.navbar-links a:hover {
  color: #1a1a1a;
}

/* ── Main Container ─────────────────────────── */

.container {
  max-width: 1060px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ── Profile / About ────────────────────────── */

.profile-section {
  padding-top: 100px;
  padding-bottom: 40px;
}

.profile-card {
  display: flex;
  gap: 48px;
  align-items: flex-start;
}

.profile-photo-wrapper {
  flex-shrink: 0;
}

.profile-photo {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid #f1f5f9;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.profile-info h1 {
  font-size: 28px;
  font-weight: 700;
  color: #0f172a;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

.inline-logo {
  height: 12px;
  width: auto;
  vertical-align: middle;
  margin-left: 2px;
  opacity: 0.7;
}

.profile-info .tagline {
  font-size: 15px;
  color: #64748b;
  margin-bottom: 16px;
  font-weight: 400;
}

.profile-info .bio {
  font-size: 14.5px;
  color: #374151;
  line-height: 1.75;
  margin-bottom: 20px;
}

.profile-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.profile-links a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: #475569;
  padding: 6px 14px;
  border-radius: 6px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  transition: all 0.2s ease;
}

.profile-links a:hover {
  background: #f1f5f9;
  border-color: #cbd5e1;
  color: #1e293b;
}

.profile-links a svg {
  width: 15px;
  height: 15px;
}

.profile-meta {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}

.profile-meta-item {
  font-size: 13px;
  color: #64748b;
}

.profile-meta-item .label {
  font-weight: 500;
  color: #475569;
  display: block;
  margin-bottom: 2px;
}

/* ── Section Styling ────────────────────────── */

.section {
  padding: 36px 0;
}

.section-title {
  font-size: 20px;
  font-weight: 700;
  color: #0f172a;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  padding-bottom: 10px;
  border-bottom: 2px solid #f1f5f9;
}

/* ── News ────────────────────────────────────── */

.news-list {
  list-style: none;
}

.news-list li {
  display: flex;
  gap: 16px;
  padding: 10px 0;
  font-size: 14px;
  color: #374151;
  line-height: 1.7;
  border-bottom: 1px solid #f8fafc;
}

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

.news-date {
  font-weight: 600;
  color: #64748b;
  font-size: 13px;
  flex-shrink: 0;
  width: 85px;
  padding-top: 2px;
}

.news-content {
  flex: 1;
  min-width: 0;
}

.news-highlight {
  color: #dc2626;
  font-weight: 600;
}

/* ── Publications ────────────────────────────── */

.pub-note {
  font-size: 13px;
  color: #94a3b8;
  margin-bottom: 24px;
}

.pub-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.pub-item {
  display: flex;
  gap: 24px;
  padding: 20px;
  border-radius: 10px;
  border: 1px solid #f1f5f9;
  background: #fff;
  transition: all 0.25s ease;
}

.pub-item:hover {
  border-color: #e2e8f0;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
  transform: translateY(-1px);
}

.pub-img {
  flex-shrink: 0;
  width: 200px;
  height: 120px;
  border-radius: 6px;
  overflow: hidden;
  background: #f8fafc;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pub-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.pub-details {
  flex: 1;
  min-width: 0;
}

.pub-title {
  font-size: 14.5px;
  font-weight: 600;
  color: #0f172a;
  line-height: 1.5;
  margin-bottom: 5px;
  letter-spacing: -0.01em;
}

.pub-authors {
  font-size: 13px;
  color: #64748b;
  line-height: 1.55;
  margin-bottom: 4px;
}

.pub-authors strong {
  color: #1e293b;
  font-weight: 600;
}

.pub-venue {
  font-size: 13px;
  color: #2563eb;
  font-weight: 500;
  margin-bottom: 8px;
}

.pub-desc {
  font-size: 12.5px;
  color: #94a3b8;
  font-style: italic;
  margin-top: -4px;
  margin-bottom: 4px;
}

.pub-links {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.pub-links a {
  font-size: 12px;
  font-weight: 500;
  color: #475569;
  padding: 3px 10px;
  border-radius: 4px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  transition: all 0.2s ease;
}

.pub-links a:hover {
  background: #eef2ff;
  border-color: #c7d2fe;
  color: #2563eb;
}

/* ── Awards ──────────────────────────────────── */

.awards-list {
  list-style: none;
  padding-left: 0;
}

.awards-list li {
  padding: 8px 0;
  padding-left: 16px;
  position: relative;
  border-bottom: 1px solid #f8fafc;
}

.awards-list li::before {
  content: '·';
  position: absolute;
  left: 0;
  color: #94a3b8;
  font-weight: 700;
  font-size: 18px;
  line-height: 1.4;
}

.awards-list li:last-child {
  border-bottom: none;
}

.award-title {
  font-size: 14px;
  font-weight: 600;
  color: #1e293b;
  line-height: 1.5;
}

.award-desc {
  font-size: 13px;
  color: #94a3b8;
  margin-top: 3px;
  font-style: italic;
}

.award-highlight {
  color: #2563eb;
  font-weight: 600;
}

/* ── Activities & Teaching ──────────────────── */

.subsection-title {
  font-size: 16px;
  font-weight: 600;
  color: #1e293b;
  margin-top: 20px;
  margin-bottom: 12px;
}

.simple-list {
  list-style: none;
  padding-left: 0;
}

.simple-list li {
  padding: 5px 0;
  font-size: 14px;
  color: #374151;
  line-height: 1.6;
  position: relative;
  padding-left: 16px;
}

.simple-list li::before {
  content: '·';
  position: absolute;
  left: 0;
  color: #94a3b8;
  font-weight: 700;
  font-size: 18px;
  line-height: 1.4;
}

/* ── Footer ──────────────────────────────────── */

.site-footer {
  padding: 40px 0 32px;
  text-align: center;
  border-top: 1px solid #f1f5f9;
  margin-top: 40px;
}

.site-footer p {
  font-size: 12px;
  color: #94a3b8;
}

.back-to-top {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: #94a3b8;
  transition: color 0.2s ease;
}

.back-to-top:hover {
  color: #64748b;
}

/* ── Responsive ──────────────────────────────── */

@media (max-width: 768px) {
  .navbar {
    padding: 0 16px;
    height: 50px;
  }

  .navbar-links {
    gap: 16px;
  }

  .navbar-links a {
    font-size: 12.5px;
  }

  .container {
    padding: 0 20px;
  }

  .profile-section {
    padding-top: 80px;
  }

  .profile-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 28px;
  }

  .profile-photo {
    width: 150px;
    height: 150px;
  }

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

  .profile-meta {
    justify-content: center;
  }

  .pub-item {
    flex-direction: column;
    padding: 16px;
  }

  .pub-img {
    width: 100%;
    height: 180px;
  }

  .section-title {
    font-size: 18px;
  }
}

@media (max-width: 480px) {
  .navbar-name {
    font-size: 14px;
  }

  .navbar-links {
    gap: 12px;
  }

  .navbar-links a {
    font-size: 11.5px;
  }

  .profile-info h1 {
    font-size: 24px;
  }

  .profile-links a {
    font-size: 12px;
    padding: 5px 10px;
  }
}