/* ===========================================
   index.css — Homepage specific styles
   =========================================== */

/* ─── HERO ─── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 5rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -10%;
  right: -5%;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(196,112,79,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 5%;
  left: -8%;
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(122,158,126,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 4rem;
  align-items: center;
}

.hero__greeting {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--charcoal-lt);
  background: var(--ivory-dark);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: 0.35rem 0.9rem;
  margin-bottom: 1.25rem;
}

.hero__greeting::before {
  content: '👋';
  font-size: 0.9rem;
}

.hero__name {
  font-size: clamp(2.4rem, 5vw, 3.5rem);
  line-height: 1.1;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.hero__name em {
  font-style: italic;
  color: var(--terracotta);
}

.hero__role {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--charcoal-md);
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

.hero__role strong { font-weight: 600; color: var(--charcoal); }

.hero__bio {
  font-size: 1.05rem;
  color: var(--charcoal-md);
  max-width: 54ch;
  margin-bottom: 2rem;
  line-height: 1.75;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.hero__social {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.hero__social-label {
  font-size: 0.82rem;
  color: var(--charcoal-lt);
  font-weight: 500;
}

.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--warm-white);
  border: 1px solid var(--border);
  color: var(--charcoal-md);
  font-size: 1rem;
  transition: all var(--transition);
  text-decoration: none;
}

.social-icon:hover {
  background: var(--terracotta);
  border-color: var(--terracotta);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

/* Avatar */
.hero__image-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  /* fadeUp plays once to reveal, then float loops indefinitely */
  animation: fadeUp 0.6s ease forwards, float 6s 0.8s ease-in-out infinite;
}

.hero__avatar-bg {
  position: absolute;
  inset: -16px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(196,112,79,0.15), rgba(122,158,126,0.15));
  animation: float 6s ease-in-out infinite reverse;
}

.hero__avatar-ring {
  position: absolute;
  inset: -32px;
  border-radius: 50%;
  border: 1px dashed rgba(196,112,79,0.3);
  animation: spin 20s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.hero__avatar {
  width: 360px;
  height: 360px;
  min-width: 360px;
  min-height: 360px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  display: block;
  position: relative;
  z-index: 1;
  border: 4px solid var(--warm-white);
  box-shadow: var(--shadow-lg);
}

.hero__affiliation {
  margin-top: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--charcoal-lt);
  font-weight: 500;
}

.hero__affiliation-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--sage);
  animation: pulse 2s ease-in-out infinite;
}

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

/* ─── RESEARCH INTERESTS ─── */
.interests {
  background: var(--warm-white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 4rem 0;
}

.interests__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.interest-card {
  text-align: center;
  padding: 2rem 1.5rem;
  border-radius: var(--radius-md);
  background: var(--ivory);
  border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition);
}

.interest-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.interest-card__icon {
  font-size: 2.2rem;
  margin-bottom: 1rem;
  display: block;
}

.interest-card__title {
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-serif);
  margin-bottom: 0.5rem;
}

.interest-card__desc {
  font-size: 0.875rem;
  color: var(--charcoal-lt);
  margin: 0;
  line-height: 1.6;
}

/* ─── NEWS SECTION ─── */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.news-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 1.5rem;
  padding: 1.25rem 1.5rem;
  background: var(--warm-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--terracotta);
  align-items: flex-start;
  transition: transform var(--transition), box-shadow var(--transition);
}

.news-item:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}

.news-item__date {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--terracotta);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding-top: 2px;
}

.news-item__text {
  font-size: 0.95rem;
  color: var(--charcoal-md);
  margin: 0;
  line-height: 1.6;
}

.news-item__text strong {
  color: var(--charcoal);
}

/* ─── ABOUT ─── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.about__sidebar,
.about__education-list {
  display: grid;
  gap: 0.75rem;
}

/* ─── FEATURED PUBLICATIONS ─── */
.featured-pubs {
  background: var(--ivory-dark);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.pub-card {
  display: grid;
  gap: 1.25rem;
}

.pub-card__meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.pub-card__year {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--charcoal-lt);
}

.pub-card__title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--charcoal);
  margin-bottom: 0.35rem;
}

.pub-card__authors {
  font-size: 0.88rem;
  color: var(--charcoal-lt);
  margin-bottom: 0.5rem;
}

.pub-card__authors em {
  font-weight: 600;
  color: var(--charcoal-md);
  font-style: normal;
}

.pub-card__abstract {
  font-size: 0.9rem;
  color: var(--charcoal-lt);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.pub-card__links {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.pub-link {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--terracotta);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  background: rgba(196,112,79,0.1);
  transition: all var(--transition);
}

.pub-link:hover {
  background: var(--terracotta);
  color: white;
}

.pubs-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-auto-rows: 1fr;
  gap: 1.5rem;
}

/* ─── CONTACT ─── */
.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact__links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1.5rem;
}

.contact__link-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--warm-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--charcoal-md);
  transition: all var(--transition);
  text-decoration: none;
}

.contact__link-item:hover {
  border-color: var(--terracotta);
  color: var(--terracotta);
  transform: translateX(4px);
}

.contact__link-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--ivory-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  transition: background var(--transition);
}

.contact__link-item:hover .contact__link-icon {
  background: rgba(196,112,79,0.12);
}

.contact__link-text strong {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--charcoal);
}

.contact__link-text span {
  font-size: 0.82rem;
  color: var(--charcoal-lt);
}

.contact__map-placeholder {
  background: var(--ivory-dark);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  text-align: center;
}

.contact__map-emoji {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: block;
}

.contact__map-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.contact__map-sub {
  font-size: 0.88rem;
  color: var(--charcoal-lt);
  margin: 0;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 860px) {
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero__image-wrap {
    order: -1;
    margin-bottom: 1rem;
  }
  .hero__actions { justify-content: center; }
  .hero__social { justify-content: center; }
  .hero__bio { margin: 0 auto 2rem; }
  .hero__affiliation { justify-content: center; }
  .interests__grid { grid-template-columns: 1fr; gap: 1rem; }
  .about-grid { grid-template-columns: 1fr; gap: 2rem; }
  .pubs-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: auto;
  }
  .contact__inner { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 600px) {
  .news-item { grid-template-columns: 1fr; gap: 0.25rem; }
  .hero__avatar { width: 200px; height: 200px; }
}