/* ============================================
   About Page Styles
   ============================================ */

/* Playfair Display for headings */
.about-hero-title,
.about-heading,
.lead-info h3 {
  font-family: 'Playfair Display', serif;
}

/* Hero Banner */
.about-hero {
  position: relative;
  padding: 180px 0 100px;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  text-align: center;
  overflow: hidden;
}

.about-hero-overlay {
  position: absolute;
  inset: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><circle cx="200" cy="100" r="300" fill="rgba(255,255,255,0.03)"/><circle cx="900" cy="400" r="250" fill="rgba(255,255,255,0.02)"/></svg>') no-repeat center;
  background-size: cover;
}

.about-hero-content {
  position: relative;
  z-index: 1;
}

.about-hero-title {
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  font-weight: 700;
  color: white;
  margin-bottom: 16px;
  letter-spacing: -1px;
  font-style: italic;
}

.about-hero-subtitle {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.75);
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.7;
}

/* Section Layout */
.about-section {
  padding: 100px 0;
}

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

.about-heading {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 700;
  color: var(--primary-dark);
  text-align: center;
  margin-bottom: 56px;
  font-style: italic;
  letter-spacing: -0.5px;
}

/* Lead Cards - full width on about page */
.about-section .leads-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 36px;
}

.about-section .lead-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: white;
  border-radius: var(--radius-lg);
  padding: 48px 36px;
  border: 1px solid var(--border);
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.about-section .lead-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(27, 77, 62, 0.1);
}

.about-section .lead-avatar {
  margin-bottom: 24px;
}

.about-section .lead-avatar-placeholder {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.about-section .lead-info h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 8px;
}

.lead-email {
  display: inline-block;
  font-size: 0.88rem;
  color: var(--primary);
  font-weight: 500;
  margin-bottom: 12px;
  transition: color 0.3s ease;
}

.lead-email:hover {
  color: var(--primary-light);
}

.lead-role {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 16px;
}

.about-section .lead-info p {
  font-size: 0.92rem;
  color: var(--text-light);
  line-height: 1.8;
}

/* Team Grid - 4 columns */
.team-grid-about {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.team-card {
  position: relative;
  text-align: center;
  background: white;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  cursor: default;
}

.team-card-inner {
  padding: 40px 24px 32px;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.team-card:hover .team-card-inner {
  transform: translateY(-12px);
}

.team-card-desc {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.6s cubic-bezier(0.4, 0, 0.2, 1), padding 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 0 24px;
  border-top: 1px solid transparent;
}

.team-card:hover .team-card-desc {
  max-height: 160px;
  padding: 16px 24px 24px;
  border-top-color: var(--border);
}

.team-card-desc p {
  font-size: 0.78rem;
  color: var(--text-light);
  line-height: 1.7;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.4s ease 0.15s, transform 0.4s ease 0.15s;
}

.team-card:hover .team-card-desc p {
  opacity: 1;
  transform: translateY(0);
}

.team-card-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.1rem;
  font-weight: 800;
  margin: 0 auto 20px;
  overflow: hidden;
}
.team-card-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}
.lead-avatar-img {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: 50%;
}

.team-card h4 {
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 6px;
  font-style: italic;
}

.team-card-school {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
  font-style: italic;
}

.team-card-spec {
  display: block;
  font-size: 0.8rem;
  color: var(--text-light);
  line-height: 1.5;
}

/* Mission Section */
.mission-content {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.mission-content p {
  font-size: 1.02rem;
  color: var(--text-light);
  line-height: 1.9;
  margin-bottom: 24px;
}

.mission-content p:last-child {
  margin-bottom: 0;
}

/* ---- Masonry Scroll Animation ---- */
@keyframes masonry-slide-in {
  from {
    opacity: 0;
    transform: scale(0.85) rotate(calc(var(--side, 1) * (5deg * var(--amp, 1))));
  }
  to {
    opacity: 1;
    transform: scale(1) rotate(0deg);
  }
}

.team-card,
.lead-card {
  --side: 1;
  --amp: 1;
}

.team-card:nth-child(2n) { --side: -1; }
.team-card:nth-child(1) { --amp: 1; }
.team-card:nth-child(2) { --amp: 1; }
.team-card:nth-child(3) { --amp: 2; }
.team-card:nth-child(4) { --amp: 2; }
.team-card:nth-child(5) { --amp: 1; }
.team-card:nth-child(6) { --amp: 1; }
.team-card:nth-child(7) { --amp: 2; }
.team-card:nth-child(8) { --amp: 2; }

/* CSS scroll-driven animations for modern browsers */
@supports (animation-timeline: view()) {
  .team-card,
  .lead-card {
    animation: masonry-slide-in linear both;
    animation-timeline: view();
    animation-range: entry 0% cover 20%;
  }
}

/* Active nav link */
.nav-links a.active {
  color: var(--primary);
}

.nav-links a.active::after {
  width: 100%;
}

/* Responsive */
@media (max-width: 1024px) {
  .about-section .leads-grid {
    grid-template-columns: 1fr;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
  }

  .team-grid-about {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .about-hero {
    padding: 140px 0 80px;
  }

  .team-grid-about {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .team-card-inner {
    padding: 28px 16px 24px;
  }

  .team-card-desc {
    padding: 0 16px;
  }

  .team-card:hover .team-card-desc {
    padding: 12px 16px 20px;
  }

  .team-card-avatar {
    width: 64px;
    height: 64px;
    font-size: 0.95rem;
  }
}

@media (max-width: 480px) {
  .team-grid-about {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
}