/* ─── Shared Light Page Nav ─── */
.light-page { background: #fff; color: var(--slate-800); min-height: 100vh; }

.light-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 48px;
  border-bottom: 0.5px solid var(--slate-200);
}

.nav-home {
  font-size: 12px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--slate-800);
  font-weight: 500;
}

.nav-links-light {
  display: flex;
  gap: 28px;
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--slate-400);
}

.nav-links-light a { transition: color 0.2s; }
.nav-links-light a:hover, .nav-links-light a.active { color: var(--indigo-600); }

/* ─── Contact Page ─── */
.contact-main {
  max-width: 900px;
  margin: 0 auto;
  padding: 64px 24px 100px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 72px;
  align-items: start;
}

/* Left column */
.identity-col { display: flex; flex-direction: column; gap: 6px; }

.profile-photo {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  object-fit: cover;
  object-position: top center;
  border: 3px solid var(--indigo-200);
  margin-bottom: 20px;
}

.contact-name {
  font-size: 26px;
  font-weight: 500;
  color: var(--slate-800);
  letter-spacing: -0.3px;
  margin-bottom: 2px;
}

.contact-role {
  font-size: 13px;
  color: var(--indigo-600);
  font-weight: 500;
  margin-bottom: 2px;
}

.contact-inst {
  font-size: 13px;
  color: var(--slate-600);
}

.contact-dept {
  font-size: 12px;
  color: var(--slate-400);
  line-height: 1.6;
  margin-top: 2px;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 20px;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--slate-600);
  transition: color 0.2s;
}

.contact-link:hover { color: var(--indigo-600); }

.link-icon {
  width: 18px;
  text-align: center;
  color: var(--indigo-400);
  font-size: 14px;
}

.supervisor {
  font-size: 12px;
  color: var(--slate-400);
  margin-top: 16px;
}

.supervisor strong { color: var(--slate-600); }

/* Right column */
.detail-col { display: flex; flex-direction: column; gap: 44px; }

.section-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--slate-400);
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 0.5px solid var(--slate-200);
}

/* Timeline */
.timeline { display: flex; flex-direction: column; gap: 0; }

.timeline-item {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 0.5px solid var(--slate-200);
  align-items: center;
}

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

.tl-year {
  font-size: 12px;
  color: var(--slate-400);
  font-family: var(--font-mono, monospace);
  letter-spacing: 0.5px;
}

.tl-content { display: flex; align-items: baseline; gap: 12px; }

.tl-degree {
  font-size: 13px;
  font-weight: 500;
  color: var(--indigo-600);
  min-width: 44px;
}

.tl-school { font-size: 13px; color: var(--slate-600); }

/* Tags */
.tag-group { margin-bottom: 16px; }

.tag-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--slate-400);
  display: block;
  margin-bottom: 10px;
}

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

.tag {
  font-size: 12px;
  padding: 5px 14px;
  border-radius: 20px;
  letter-spacing: 0.3px;
}

.tag-core {
  background: var(--indigo-50);
  color: var(--indigo-600);
  border: 0.5px solid var(--indigo-200);
}

.tag-inter {
  background: var(--slate-100);
  color: var(--slate-600);
  border: 0.5px solid var(--slate-200);
}