/* CSS RESET & BASE STYLES */


/* CUSTOM SCROLLBAR */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f5f9;
  border-radius: 10px;
}

::-webkit-scrollbar-thumb {
  background: #e23c65;
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: #2563eb;
}

/* UTILITY CLASSES */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* HEADER START */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid #e2e8f0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.header-content {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo-wrapper {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #e23c65, #06b6d4);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.logo-icon svg {
  width: 24px;
  height: 24px;
  color: white;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: #1e293b;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.5rem;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.875rem;
  transition: all 0.3s;
}

.nav-link svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

.nav-link-primary {
  background: linear-gradient(135deg, #e23c65, #06b6d4);
  color: white;
  box-shadow: 0 4px 6px rgba(59, 130, 246, 0.3);
}

.nav-link-primary:hover {
  background: linear-gradient(135deg, #2563eb, #0891b2);
  box-shadow: 0 6px 8px rgba(59, 130, 246, 0.4);
  transform: translateY(-1px);
}

.nav-link-secondary {
  background: #f1f5f9;
  color: #1e293b;
}

.nav-link-secondary:hover {
  background: #e2e8f0;
}
/* HEADER END */

/* HERO SECTION START */ 
.hero-section {
  padding: 4rem 1rem 6rem;
}

.hero-badge {
  display: inline-block;
  padding: 0.375rem 1rem;
  background: #f9ced9;
  color: #e23c65;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
}

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 1.5rem;
  line-height: 1.1;
  letter-spacing: -0.025em;
}

.hero-description {
  font-size: 1.25rem;
  color: #475569;
  max-width: 48rem;
  margin: 0 auto 0;
  line-height: 1.6;
}

/* MAIN CONTENT LAYOUT */
.main-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1rem;
  padding-bottom:5rem;
}

.content-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: start;
}

/* TIMELINE SECTION */
.timeline-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.timeline-header-line {
  height: 4px;
  width: 3rem;
 /* background: linear-gradient(90deg, #e23c65, #06b6d4); */
 background:#e23c65;
  border-radius: 9999px;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #e23c65;
}

/* CONFERENCE CARD */
.conference-card {
  background: white;
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  border: 1px solid #e2e8f0;
  transition: all 0.5s;
  position: relative;
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.conference-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 128px;
  height: 128px;
  background: linear-gradient(135deg, #dbeafe, #cffafe);
  border-radius: 50%;
  margin-right: -64px;
  margin-top: -64px;
  opacity: 0.5;
  transition: opacity 0.5s;
}

.conference-card:hover {
  box-shadow: 0 20px 25px rgba(0, 0, 0, 0.1);
  border-color: #93c5fd;
  transform: translateY(-8px);
}

.conference-card:hover::before {
  opacity: 1;
}

.conference-year-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: linear-gradient(90.08deg, #e23c65 1.81%, #80618f 99.95%);
  color: white;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  box-shadow: 0 2px 4px rgba(59, 130, 246, 0.3);
  position: relative;
  z-index: 1;
}

.conference-location {
  font-size: 1.875rem;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 1rem;
  transition: color 0.3s;
  position: relative;
  z-index: 1;
}

.conference-card:hover .conference-location {
  color: #e23c65;
}

.conference-description {
  color: #475569;
  margin-bottom: 1.5rem;
  line-height: 1.6;
  position: relative;
  z-index: 1;
}

.conference-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-top: 1.5rem;
  border-top: 2px solid #f1f5f9;
}

.stat-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 12px;
  border: 1px solid;
  font-size: 0.875rem;
  font-weight: 700;
}

.stat-badge svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

.stat-badge-blue {
  background: linear-gradient(135deg, #dbeafe, #bfdbfe);
  border-color: #93c5fd;
  color: #1e3a8a;
}

.stat-badge-green {
  background: linear-gradient(135deg, #d1fae5, #a7f3d0);
  border-color: #6ee7b7;
  color: #064e3b;
}

.stat-badge-violet {
  background: linear-gradient(135deg, #ede9fe, #ddd6fe);
  border-color: #c4b5fd;
  color: #4c1d95;
}

/* DROPDOWNS */
.dropdowns-wrapper {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding-top: 1.5rem;
  border-top: 2px solid #f1f5f9;
  position: relative;
  z-index: 1;
}

.dropdown-button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-radius: 12px;
  font-weight: 700;
  color: white;
  transition: all 0.3s;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.dropdown-button:hover {
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.15);
  transform: scale(1.01);
}

.dropdown-button-content {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.dropdown-button-content svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

.dropdown-icon {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

.dropdown-dark {
  background: linear-gradient(135deg, #475569, #334155);
}

.dropdown-dark:hover {
  background: linear-gradient(135deg, #334155, #1e293b);
}

.dropdown-rose {
  background: linear-gradient(135deg, #fb7185, #f43f5e);
}

.dropdown-rose:hover {
  background: linear-gradient(135deg, #f43f5e, #e11d48);
}

.dropdown-teal {
  background: linear-gradient(135deg, #2dd4bf, #14b8a6);
}

.dropdown-teal:hover {
  background: linear-gradient(135deg, #14b8a6, #0d9488);
}

.dropdown-content {
  display: none;
  margin-top: 1rem;
  max-height: 18rem;
  overflow-y: auto;
  padding-right: 0.5rem;
}

.dropdown-content.active {
  display: block;
}

.participant-item {
  display: flex;
  flex-direction: column;
  padding: 0.75rem 1rem;
  background: white;
  border-radius: 12px;
  border: 1px solid #e2e8f0;
  margin-bottom: 0.5rem;
  transition: all 0.3s;
}

.participant-item:hover {
  background: linear-gradient(135deg, #eff6ff, #e0f2fe);
  border-color: #93c5fd;
  box-shadow: 0 2px 4px rgba(59, 130, 246, 0.1);
}

.participant-name {
  color: #e23c65;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 0.3s;
}

.participant-name:hover {
  color: #2563eb;
  text-decoration: underline;
}

.participant-name svg {
  width: 16px;
  height: 16px;
  opacity: 0;
  transition: opacity 0.3s;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

.participant-name:hover svg {
  opacity: 1;
}

.participant-affiliation {
  font-size: 0.875rem;
  color: #475569;
  font-weight: 500;
  margin-top: 0.25rem;
}

.participant-country {
  font-size: 0.75rem;
  color: #64748b;
  margin-top: 0.125rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.participant-country svg {
  width: 12px;
  height: 12px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

.report-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  padding: 0.75rem 1.5rem;
  background: #1e293b;
  color: white;
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: 12px;
  transition: all 0.3s;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.report-button svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  transition: transform 0.3s;
  position: relative;
  z-index: 10;
}

.report-button:hover {
  background: #e23c65;
  box-shadow: 0 6px 12px rgba(59, 130, 246, 0.3);
  transform: scale(1.05);
}

.report-button:hover svg {
  transform: translateX(4px);
}

.view-all-button {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: linear-gradient(90.08deg, rgb(226, 60, 101) 1.81%, rgb(128, 97, 143) 99.95%);
  color: white;
  padding: 1rem 2.5rem;
  border-radius: 16px;
  font-weight: 700;
  font-size: 1.125rem;
  transition: all 0.3s;
  box-shadow: 0 10px 15px rgba(59, 130, 246, 0.3);
  margin-top: 2rem;
}

.view-all-button svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  transition: transform 0.3s;
}

.view-all-button:hover {
  background: linear-gradient(180deg, #e23c65 1.81%, #80618f 99.95%);
  box-shadow: 0 20px 25px rgba(59, 130, 246, 0.4);
  transform: translateY(-4px);
}

.view-all-button:hover svg {
  transform: translateX(4px);
}

/* GALLERY SECTION */
.gallery-section {
  position: sticky;
  top: 100px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  background: #e2e8f0;
  cursor: pointer;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  transition: all 0.5s;
}

.gallery-item::before {
  content: '';
  display: block;
  padding-bottom: 100%;
}

.gallery-item img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s;
}

.gallery-item:hover { cursor:auto !important;
  box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
  transform: translateY(-4px);
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-item-large {
  grid-column: span 2;
  grid-row: span 2;
}

.gallery-item-wide {
  grid-column: span 2;
}

.gallery-item-tall {
  grid-row: span 2;
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.4), transparent);
  opacity: 0;
  transition: opacity 0.5s;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  text-align: center;
  backdrop-filter: blur(2px);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-overlay-title {
  color: white;
  font-size: 0.8rem; line-height: 14px;
  font-weight: 700;
  margin-bottom: 0.5rem;
  transform: translateY(16px);
  transition: transform 0.5s;
}

.gallery-item:hover .gallery-overlay-title {
  transform: translateY(0);
}

.gallery-overlay-year {
  color: #93c5fd;
  font-size: 1.125rem;
  font-weight: 600;
  transform: translateY(16px);
  transition: transform 0.5s 0.075s;
}

.gallery-item:hover .gallery-overlay-year {
  transform: translateY(0);
}

.gallery-button {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: white;
  color: #1e293b;
  padding: 1rem 2.5rem;
  border-radius: 16px;
  font-weight: 700;
  font-size: 1.125rem;
  border: 2px solid #cbd5e1;
  transition: all 0.3s;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.gallery-button svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  transition: transform 0.3s;
}

.gallery-button:hover {
  background: #e23c65;
  color: white;
  border-color: #e23c65;
  box-shadow: 0 20px 25px rgba(59, 130, 246, 0.4);
  transform: translateY(-4px);
}

.gallery-button:hover svg {
  transform: translateX(4px);
}

/* VIDEO HIGHLIGHTS SECTION START */
.video-section {
  padding: 4rem 1rem 6rem;
  background: white;
  margin-top: 4rem;
}

.video-section-badge {
  display: inline-block;
  padding: 0.375rem 1rem;
  background: #ffe4e6;
  color: #be123c;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.video-card {
  position: relative;
  border-radius: 24px;
  background: black;
  overflow: hidden;
  box-shadow: 0 20px 25px rgba(0, 0, 0, 0.15);
  cursor: pointer;
  transition: all 0.5s;
}

.video-card::before {
  content: '';
  display: block;
  padding-bottom: 56.25%;
}

.video-card:hover {
  box-shadow: 0 25px 50px rgba(251, 113, 133, 0.3);
  transform: scale(1.01);
}

.video-thumbnail {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  transition: background 0.5s;
}

.video-card:hover .video-overlay {
  background: rgba(0, 0, 0, 0.2);
}

.video-play-wrapper {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-play-glow {
  position: absolute;
  inset: 0;
  background: #fb7185;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.5;
  animation: pulse 2s ease-in-out infinite;
}

.video-card:hover .video-play-glow {
  opacity: 0.7;
}

@keyframes pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 0.7; }
}

.video-play-button {
  position: relative;
  width: 80px;
  height: 80px;
  background: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 20px 25px rgba(0, 0, 0, 0.3);
  transition: all 0.3s;
}

.video-card:hover .video-play-button {
  transform: scale(1.1);
}

.video-play-button svg {
  width: 40px;
  height: 40px;
  color: #fb7185;
  fill: currentColor;
  margin-left: 4px;
}

.video-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 700;
  color: white;
  box-shadow: 0 10px 15px rgba(0, 0, 0, 0.3);
}

.video-badge svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.video-badge-live {
  background: #fb7185;
}

.video-badge-featured {
  background: #14b8a6;
}

.video-badge-popular {
  background: #f59e0b;
}

.video-badge-trending {
  background: #6366f1;
}

.video-badge-live svg {
  animation: pulse 2s ease-in-out infinite;
}

.video-duration {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
  color: white;
  padding: 0.375rem 0.75rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
}

.video-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.5rem;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.95), rgba(0, 0, 0, 0.8), transparent);
}

.video-title {
  color: white;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.video-meta {
  font-size: 1rem;
  font-weight: 500;
}

.video-meta-rose {
  color: #fda4af;
}

.video-meta-teal {
  color: #5eead4;
}

.video-meta-amber {
  color: #fcd34d;
}

.video-meta-indigo {
  color: #a5b4fc;
}
/* VIDEO HIGHLIGHTS SECTION END */

/* RESPONSIVE DESIGN */
@media (min-width: 640px) {
  .hero-title {
    font-size: 3.75rem;
  }

  .gallery-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 768px) {
  .hero-section {
    padding: 0rem 1rem 7rem;
  }

  .hero-title {
    font-size: 4rem;
  }
}

@media (min-width: 1024px) {
  .content-grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .gallery-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

@media (max-width: 768px) {
  .main-nav {
    width: 100%;
    justify-content: center;
  }

  .header-content {
    flex-direction: column;
    gap: 1rem;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery-item-large,
  .gallery-item-wide,
  .gallery-item-tall {
    grid-column: span 1;
    grid-row: span 1;
  }

  .video-grid {
    grid-template-columns: 1fr;
  }
}

.text-center {
  text-align: center;
}