* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', Arial, sans-serif;
}

body {
  background-color: #f5f7fb;
  padding: 40px 20px;
}

.speakers {
  font-size: 1.4rem;
  font-weight: 700;
  align-items: center;
  margin-left: 22rem;
  margin-bottom: 1.3rem;
  color: linear-gradient(to right, rgb(6, 246, 6), rgb(135, 98, 18), red, rgb(166, 118, 6), rgb(6, 246, 6));
}

/* --- CARD GALLERY GRID --- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.project-card {
  background: #ffffff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

.card-img {
  height: 25rem;
  width: 100%;
  background-size: cover;
  background-position: center;
}

.card-info {
  padding: 20px;
}

.card-info h3 {
  margin-bottom: 8px;
  color: #2c3e50;
}

.card-info p {
  color: #7f8c8d;
  font-size: 14px;
  line-height: 1.4;
}

/* --- MODAL LAYER --- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.6);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.is-active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background-color: #ffffff;
  width: 90%;
  max-width: 850px;
  max-height: 85vh;
  border-radius: 12px;
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 32px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.modal-close-btn {
  position: absolute;
  top: 16px;
  right: 24px;
  font-size: 32px;
  color: #95a5a6;
  cursor: pointer;
}

.modal-close-btn:hover {
  color: #2c3e50;
}

.modal-title {
  margin-bottom: 20px;
  color: #2c3e50;
  border-bottom: 2px solid #ecf0f1;
  padding-bottom: 12px;
}

.modal-body {
  overflow-y: auto;
  padding-right: 12px;
}

/* --- RICH TEXT FLOATING & ALTERNATING ENGINE --- */
.modal-content-block {
  margin-bottom: 32px;
  overflow: hidden; /* Clearfix containing floated elements */
}

/* Rich Elements Styling inside layout blocks */
.modal-content-block h3 {
  color: #2c3e50;
  margin-bottom: 10px;
  font-size: 20px;
}

.modal-content-block p {
  color: #34495e;
  line-height: 1.7;
  font-size: 16px;
  margin-bottom: 12px;
  text-align: justify;
}

.modal-content-block ul {
  margin-left: 24px;
  margin-bottom: 12px;
  color: #34495e;
  line-height: 1.6;
}

.modal-content-block li {
  margin-bottom: 6px;
}

.modal-content-block a {
  color: #3498db;
  text-decoration: none;
  font-weight: 600;
}

.modal-content-block a:hover {
  text-decoration: underline;
}

.modal-content-block img {
  width: 45%;
  max-width: 340px;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* Odd blocks: Float image Left, text flows Right */
.modal-content-block:nth-of-type(odd) img {
  float: left;
  margin-right: 24px;
  margin-bottom: 12px;
}

/* Even blocks: Float image Right, text flows Left */
.modal-content-block:nth-of-type(even) img {
  float: right;
  margin-left: 24px;
  margin-bottom: 12px;
}

/* Responsive Collapse Engine */
@media (max-width: 600px) {
  .modal-content-block img {
    width: 100%;
    max-width: 100%;
    float: none !important;
    margin: 0 0 16px 0 !important;
  }
}