/* === index.html page-specific styles === */

/* Hero */
.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../images/background.webp') center/cover no-repeat;
  filter: brightness(0.45);
}
.hero-content {
  position: relative;
  z-index: 1;
  color: #fff;
  padding: 2rem;
  max-width: 800px;
}
.hero-content h1 {
  font-size: 2.8rem;
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: 2px;
}
.hero-content p {
  font-size: 1.1rem;
  line-height: 1.8;
  opacity: 0.9;
}
.hero-logo {
  width: 100px;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
  margin-bottom: 1.5rem;
}

/* Sections */
.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}
.section-title {
  font-size: 1.6rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--mdui-color-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Description cards */
.desc-card {
  background: #fff;
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 1px 6px rgba(0,0,0,0.08);
  margin-bottom: 1.5rem;
  line-height: 1.9;
  font-size: 1rem;
  color: #333;
}
.desc-card .author {
  display: block;
  margin-top: 1rem;
  color: #888;
  font-style: italic;
}

/* Member cards */
.member-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.member-card {
  background: #fff;
  border-radius: 16px;
  padding: 1.8rem;
  box-shadow: 0 1px 6px rgba(0,0,0,0.08);
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
}
.member-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}
.member-card mdui-avatar {
  width: 64px;
  height: 64px;
  margin-bottom: 1rem;
}
.member-card .name {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
}
.member-card .role {
  font-size: 0.9rem;
  color: #888;
  margin-bottom: 0.8rem;
}
.member-card .status {
  display: inline-block;
  padding: 0.25rem 0.8rem;
  border-radius: 20px;
  font-size: 0.85rem;
  background: #e0f2f1;
  color: #00897b;
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: 40px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, #00897b, #a7f3d0);
  border-radius: 2px;
}
.timeline-item {
  position: relative;
  margin-bottom: 2rem;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -33px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #00897b;
  border: 3px solid #a7f3d0;
  box-shadow: 0 0 0 3px rgba(0,137,123,0.15);
}
.timeline-card {
  background: #fff;
  border-radius: 12px;
  padding: 1.2rem 1.5rem;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}
.timeline-card .date {
  font-size: 0.85rem;
  color: #00897b;
  font-weight: 600;
  margin-bottom: 0.3rem;
}
.timeline-card .event {
  font-size: 1rem;
  color: #333;
}

/* Embeds section */
.embed-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}
.embed-card {
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 1px 6px rgba(0,0,0,0.08);
}
.embed-card iframe {
  width: 100%;
  border: none;
}
.embed-card .embed-label {
  padding: 1rem 1.2rem;
  font-weight: 500;
  font-size: 0.95rem;
  color: #555;
}

/* Photo gallery */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}
.photo-card {
  display: block;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  position: relative;
  aspect-ratio: 16/10;
  background: #eee;
  text-decoration: none;
  color: inherit;
}
.photo-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}
.photo-card:hover img {
  transform: scale(1.05);
}
.photo-card .photo-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0.6rem 0.8rem;
  background: linear-gradient(transparent, rgba(0,0,0,0.6));
  color: #fff;
  font-size: 0.85rem;
}

/* Tabs */
.tab-content { display: none; }
.tab-content.active { display: block; }

/* Team structure grid */
.team-structure-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.5rem;
  align-items: start;
}

/* Dark mode overrides */
.mdui-theme-dark .desc-card,
.mdui-theme-dark .member-card,
.mdui-theme-dark .timeline-card,
.mdui-theme-dark .embed-card {
  background: #1e1e1e;
  color: #e0e0e0;
}
.mdui-theme-dark .desc-card .author,
.mdui-theme-dark .member-card .role,
.mdui-theme-dark .member-card .status,
.mdui-theme-dark .timeline-card .date {
  color: #aaa;
}
.mdui-theme-dark .timeline-card .event {
  color: #e0e0e0;
}
.mdui-theme-dark .embed-card .embed-label {
  color: #ccc;
}
.mdui-theme-dark .member-card .status { background: #2e3b3a; }

/* Responsive */
@media (max-width: 600px) {
  .section, .hero-content, .photo-grid, .member-grid, .embed-grid, .timeline {
    max-width: 100%;
  }
  .hero { min-height: 50vh; }
  .hero-content h1 { font-size: 1.8rem; letter-spacing: 0; margin-bottom: 0.5rem; }
  .hero-content p { font-size: 0.95rem; }
  .hero-logo { width: 64px; margin-bottom: 1rem; }
  .section { padding: 1.5rem 1rem; }
  .section-title { font-size: 1.3rem; margin-bottom: 1rem; }
  .desc-card { padding: 1rem; font-size: 0.95rem; margin-bottom: 1rem; }
  .member-grid { grid-template-columns: 1fr; gap: 1rem; }
  .member-card { padding: 1.2rem; }
  .member-card mdui-avatar, .member-card [style*="width:64px"] { width: 48px !important; height: 48px !important; font-size: 1.1rem !important; }
  .timeline { padding-left: 28px; }
  .timeline-item { margin-bottom: 1.2rem; }
  .timeline-item::before { left: -21px; width: 10px; height: 10px; }
  .timeline-card { padding: 0.8rem 1rem; }
  .embed-grid { grid-template-columns: 1fr; }
  .photo-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
}
@media (max-width: 380px) {
  .hero-content h1 { font-size: 1.5rem; }
  .hero-content p { font-size: 0.9rem; }
  .photo-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .team-structure-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .team-structure-grid .desc-card { text-align: left; }
}