/* ================================
   Projects Grid & Cards
   ================================ */

/* ===== Projects Section ===== */
.projects {
  padding: var(--space-4xl) 0;
  position: relative;
  z-index: var(--z-above);
}

.projects__header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.projects__title {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-md);
}

.projects__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
}

/* ===== Filter Tags ===== */
.projects__filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
}

.filter-tag {
  padding: var(--space-xs) var(--space-md);
  border: 1px solid var(--color-text-muted);
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out);
}

.filter-tag:hover,
.filter-tag--active {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(99, 102, 241, 0.1);
}

/* ===== Projects Grid ===== */
.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-lg);
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ===== Project Card ===== */
.project-card {
  position: relative;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-out);
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.project-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-glow);
}

/* Card Image/Placeholder */
.project-card__image {
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-secondary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-4xl);
  position: relative;
  overflow: hidden;
}

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

/* Award Badge */
.project-card__award {
  position: absolute;
  bottom: var(--space-sm);
  left: var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
  background: linear-gradient(135deg, #ffd700 0%, #ff8c00 100%);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  color: #000;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  white-space: nowrap;
  z-index: 10;
}

/* Card Content */
.project-card__content {
  padding: var(--space-lg);
}

.project-card__title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.project-card__role {
  font-size: var(--text-sm);
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.project-card__description {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* Tags */
.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-md);
}

.project-tag {
  padding: 2px var(--space-sm);
  background: rgba(99, 102, 241, 0.15);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  color: var(--color-accent);
}

/* ===== Awards Section ===== */
.awards {
  padding: var(--space-4xl) var(--space-lg);
  background: var(--color-bg-secondary);
  margin-top: var(--space-4xl);
}

.awards__header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.awards__title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-sm);
}

.awards__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  max-width: 1200px;
  margin: 0 auto;
}

.award-card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
  border: 1px solid rgba(255, 215, 0, 0.2);
  transition: all var(--duration-normal) var(--ease-out);
}

.award-card:hover {
  border-color: #ffd700;
  box-shadow: 0 0 30px rgba(255, 215, 0, 0.2);
}

.award-card__icon {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-md);
}

.award-card__year {
  font-size: var(--text-sm);
  color: #ffd700;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.award-card__title {
  font-size: var(--text-lg);
  margin-bottom: var(--space-xs);
}

.award-card__project {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ===== Speaker Highlight Section ===== */
.speaker-highlight {
  padding: var(--space-2xl) var(--space-lg);
  max-width: 1000px;
  margin: 0 auto;
}

.speaker-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  background: var(--color-bg-secondary);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-xl);
  overflow: hidden;
  text-decoration: none;
  transition: all var(--duration-normal) var(--ease-out);
}

.speaker-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.speaker-card__image {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.speaker-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}

.speaker-card:hover .speaker-card__image img {
  transform: scale(1.05);
}

.speaker-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.3) 0%, rgba(34, 211, 238, 0.2) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
}

.speaker-card:hover .speaker-card__overlay {
  opacity: 1;
}

.speaker-card__icon {
  font-size: var(--text-hero);
}

.speaker-card__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-2xl);
}

.speaker-card__title {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.speaker-card__description {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-lg);
}

.speaker-card__cta {
  color: var(--color-accent);
  font-weight: 500;
  transition: color var(--duration-fast) var(--ease-out);
}

.speaker-card:hover .speaker-card__cta {
  color: var(--color-accent-secondary);
}

@media (max-width: 768px) {
  .speaker-card {
    grid-template-columns: 1fr;
  }
  
  .speaker-card__content {
    padding: var(--space-lg);
  }
}

/* ===== Hero adjustments ===== */
.hero--short {
  min-height: 60vh;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .projects__grid {
    grid-template-columns: 1fr;
  }
  
  .awards__grid {
    grid-template-columns: 1fr;
  }
}