/* Logo placeholder */
.logo-placeholder {
  position: fixed;
  top: 14px;
  left: 28px;
  width: 56px;
  height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border-radius: 9999px;
  border: 1px solid rgba(255,255,255,0.06);
  backdrop-filter: blur(10px) saturate(120%);
  -webkit-backdrop-filter: blur(10px) saturate(120%);
  box-shadow: 0 6px 18px rgba(0,0,0,0.6), inset 0 1px 0 rgba(255,255,255,0.02);
  color: #fff;
  z-index: 110;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.logo-placeholder:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 22px rgba(0,0,0,0.7);
}

.menu-toggle {
  --gradient-angle: 0deg;
  position: fixed;
  top: 14px;
  right: 28px;
  width: 56px;
  height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border-radius: 9999px;
  border: 1px solid rgba(255,255,255,0.06);
  backdrop-filter: blur(10px) saturate(120%);
  -webkit-backdrop-filter: blur(10px) saturate(120%);
  box-shadow: 0 6px 18px rgba(0,0,0,0.6), inset 0 1px 0 rgba(255,255,255,0.02);
  color: #fff;
  z-index: 110;
  cursor: pointer;
  padding: 6px;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
  overflow: visible;
}

.menu-toggle svg { position: relative; z-index: 113; }

.menu-toggle::after {
  content: "";
  position: absolute;
  inset: -6px;
  border-radius: 9999px;
  background: conic-gradient(
    from var(--gradient-angle),
    rgba(255,215,0,0.35),
    rgba(245,192,77,0.28) 30deg,
    rgba(255,215,0,0.35) 60deg,
    rgba(255,215,0,0) 180deg
  );
  filter: blur(6px) saturate(120%);
  opacity: 0.45;
  z-index: 109;
  pointer-events: none;
  animation: border-spin 6s linear infinite;
  transition: opacity 200ms ease, transform 200ms ease;
}

.menu-toggle::before {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: 9999px;
  box-shadow: inset 0 0 0 0.8px rgba(255,215,0,0.14);
  z-index: 111;
  pointer-events: none;
  transition: box-shadow 160ms ease;
}

.menu-toggle:hover::after {
  opacity: 0.70;
  filter: blur(8px) saturate(130%);
  transform: scale(1.01);
}

.menu-toggle:hover::before {
  box-shadow: inset 0 0 0 1.2px rgba(255,215,0,0.18);
}

.menu-toggle:hover::after { filter: blur(10px) saturate(160%); opacity: 1; transform: scale(1.02); }

.menu-toggle:hover { transform: translateY(-2px) scale(1.02); box-shadow: 0 8px 22px rgba(0,0,0,0.7); }

#menuToggle #closeIcon { display: none !important; }
body.menu-open .menu-toggle { display: none !important; }

.menu-overlay,
.mobile-menu,
.event-popup {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  pointer-events: none;
}

.menu-overlay::before,
.mobile-menu::before,
.event-popup::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.55);
  backdrop-filter: none;
  transition: backdrop-filter 250ms ease, opacity 250ms ease;
  opacity: 0;
  pointer-events: none;
}

.menu-panel,
.mobile-menu-panel {
  position: relative;
  z-index: 120;
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
  border-radius: 12px;
  padding: 2.25rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  align-items: center;
  min-width: 320px;
  max-width: 580px;
  width: min(90%, 480px);
  box-shadow: 0 20px 80px rgba(0,0,0,0.6);
  transform-origin: center center;
  pointer-events: auto;
  opacity: 0;
  border: 1px solid rgba(255,255,255,0.06);
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  transition: transform 240ms ease, opacity 220ms ease;
}

.panel-close {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(255,255,255,0.02);
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.04);
  padding: 6px;
  color: #ffd700;
  cursor: pointer;
  transition: background 160ms ease, transform 140ms ease;
}
.panel-close:hover { transform: translateY(-2px); background: rgba(255,255,255,0.04); }

.panel-nav,
.mobile-panel-nav {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  align-items: center;
  margin-top: 8px;
}

.panel-link,
.mobile-link {
  color: #d4d4d8;
  margin-top: 10px;
  text-decoration: none;
  font-size: 1.125rem;
  padding: 12px 18px;
  width: 100%;
  text-align: center;
  border-radius: 10px;
  transition: background 260ms ease, color 260ms ease;
}

.panel-link:hover,
.mobile-link:hover,
.panel-link:focus,
.mobile-link:focus {
  background: linear-gradient(90deg, rgba(255,215,0,0.95), rgba(250,205,60,0.95));
  color: #000;
}

.menu-panel .btn-primary,
.mobile-menu-panel .btn-primary {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
}

.menu-overlay.open,
.mobile-menu.open,
.event-popup.open {
  display: flex;
  pointer-events: auto;
}

.menu-overlay.open::before,
.mobile-menu.open::before,
.event-popup.open::before {
  opacity: 1;
  backdrop-filter: blur(6px);
  pointer-events: auto;
}

body.menu-open main,
body.menu-open canvas,
body.menu-open .visualization,
body.menu-open .container {
  filter: blur(6px);
  pointer-events: none;
  user-select: none;
  transition: filter 220ms ease;
}

/*
@media (min-width: 1024px) {
*/
  .menu-panel,
  .mobile-menu-panel {
    transform: scale(0.88);
    opacity: 0;
  }
  /*
}
*/

/*
@media (max-width: 1023px) {
  .menu-panel,
  .mobile-menu-panel {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    max-width: 100%;
    height: 100%;
    border-radius: 0;
    padding: 1.5rem;
    justify-content: flex-start;
    gap: 18px;
    align-items: stretch;
    overflow-y: auto;
    transform: translateX(100%);
    opacity: 1;
  }

  .menu-overlay::before,
  .mobile-menu::before {
    opacity: 1;
    background: rgba(0,0,0,0.5);
    backdrop-filter: none;
  }

  .panel-nav {
    margin-top: 48px;
    align-items: stretch;
  }

  .panel-link {
    font-size: 1.125rem;
    padding: 14px 16px;
  }

  .panel-close {
    top: 12px;
    right: 12px;
    padding: 10px; 
    width: 52px;
    height: 52px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
  }

  .panel-close svg {
    width: 28px !important;
    height: 28px !important;
  }
}
*/

@keyframes border-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.section-intro-wrap {
  position: relative;
  z-index: 0;
  padding-bottom: 70px;
}

.section-intro-wrap::before {
  content: "";
  position: absolute;
  inset: -120px 0 -300px;
  /* background: linear-gradient(
    to bottom,
    rgba(10, 25, 74, 0.42) 0%,
    rgba(15, 32, 84, 0.22) 55%,
    rgba(15, 32, 84, 0) 100%
  ); */
  /* box-shadow: 0 16px 46px rgba(5, 46, 37, 0.45); */
  backdrop-filter: blur(2px) saturate(120%);
  -webkit-backdrop-filter: blur(2px) saturate(120%);
  pointer-events: none;
  z-index: 1;
}

.intro-section {
  margin-bottom: 0;
  position: relative;
  z-index: 2;
}

.intro-section p {
  max-width: 1000px;
  margin: 0 auto;
  font-size: clamp(16px, 5vw, 25px);
  color: rgba(255,255,255,0.85);
  text-align: center;
  line-height: 1.6;
  position: relative;
  letter-spacing: 1.5px;
  z-index: 40;
}

@media (max-width: 768px) {
  .intro-section {
    margin-left: 35px;
    margin-right: 35px;
  }
}

.section .hero-events {
  position: relative;
  z-index: 30;
  font-family: "CS Whiplash", serif;
  font-weight: 500;
  color: #ffd700;
  text-align: center;
  text-transform: capitalize;
  letter-spacing: -0.02em;
  margin: 24px 0 28px 0; 
  line-height: 1;
  font-size: clamp(60px, 15vw, 120px);
}

.section .hero-events::after {
  content: "";
  display: block;
  width: var(--underline-width, 0px); 
  height: 3px;
  background: #ffffff;
  margin: 6px auto 0;
  border-radius: 2px;
  opacity: 0.95;
  box-shadow: 0 6px 18px rgba(255,255,255,0.04);
  transform: scaleX(0);
  transform-origin: center left;
  transition: transform 260ms cubic-bezier(.2,.9,.2,1), opacity 180ms ease;
}

.section .hero-events.underline-visible::after {
  transform: scaleX(1);
  opacity: 1;
  transform-origin: center center;
}

.section {
  min-height: auto;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 48px 0 8px;
  position: relative;
  z-index: 2;
}

@media (min-width: 1024px) {
  .section {
    padding-top: 70px;
  }
}

.events-section {
  display: flex;
  gap: 32px;
  align-items: center;
  margin: 80px auto 80px;
}
.events-left {
  flex: 0 0 36%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.events-right {
  flex: 1 1 64%;
}

.online-title {
  font-family: "CS Whiplash", serif;
  font-size: clamp(28px, 6vw, 48px);
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-align: left;
  margin-top: 0;
}

.events-separator {
  width: 100%;
  height: 2px;
  margin: 70px 0;
  background: linear-gradient(90deg, rgba(255,255,255,0.06), rgba(255,255,255,0.18), rgba(255,255,255,0.06));
  backdrop-filter: blur(6px) saturate(120%);
  -webkit-backdrop-filter: blur(6px) saturate(120%);
  border-radius: 2px;
  box-shadow: 0 1px 6px rgba(0,0,0,0.5) inset;
}

@media (max-width: 1024px) {
  .events-separator { margin: 28px 0; }
}

@media (max-width: 768px) {
  .events-separator { margin: 20px 0; }
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 50px;
}

@media (min-width: 1025px) {
  .cards-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .cards-grid > .card {
    grid-column: span 2;
  }

  .cards-grid > .card:last-child:nth-child(3n + 1) {
    grid-column: 3 / span 2;
  }

  .cards-grid > .card:nth-last-child(2):nth-child(3n + 1) {
    grid-column: 2 / span 2;
  }

  .cards-grid > .card:last-child:nth-child(3n + 2) {
    grid-column: 4 / span 2;
  }
}

.cards-grid {
  perspective: 1200px;
  perspective-origin: 50% 50%;
}

.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  border-radius: 12px;
  padding: 16px;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,0.15);
  box-shadow: 0 10px 30px rgba(0,0,0,0.6);
  backdrop-filter: blur(8px) saturate(120%);
  -webkit-backdrop-filter: blur(8px) saturate(120%);
  transform-style: preserve-3d;
  transform-origin: center center;
  will-change: transform, box-shadow;
  transition: transform 260ms cubic-bezier(.2,.9,.2,1), box-shadow 260ms cubic-bezier(.2,.9,.2,1);
  aspect-ratio: calc(4/5);
}

.cards-grid .card {
  position: relative;
  overflow: hidden;
  background: var(--card-bg, linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01)));
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

.card-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.card-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}


#online-events-grid .cards-grid .card:nth-child(1) {
  --card-bg: url("../assets/Exathon.jpg");
}

#online-events-grid .cards-grid .card:nth-child(2) {
  --card-bg: url("../assets/brainstorm.jpg");
}

#online-events-grid .cards-grid .card:nth-child(3) {
  --card-bg: url("../assets/Xhunt.jpg");
}

#online-events-grid .cards-grid .card:nth-child(4) {
  --card-bg: url("../assets/Webbed.jpg");
}

#online-events-grid .cards-grid .card:nth-child(5) {
  --card-bg: url("../assets/crypt-x.jpg");
}

#online-events-grid .cards-grid .card:nth-child(6) {
  --card-bg: url("../assets/Digibit.jpg");
}

#online-events-grid .cards-grid .card:nth-child(10) {
  --card-bg: url("../assets/sudox.jpeg");
}


#offline-events-grid .cards-grid .card:nth-child(1) {
  --card-bg: url("../assets/byte_tales.jpg");
}

#offline-events-grid .cards-grid .card:nth-child(2) {
  --card-bg: url("../assets/Embleed.jpg");
}

#offline-events-grid .cards-grid .card:nth-child(3) {
  --card-bg: url("../assets/snappit.jpg");
}

#offline-events-grid .cards-grid .card:nth-child(4) {
  --card-bg: url("../assets/excelerate.jpeg");
}

.cards-grid .card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(8px);
  opacity: 0;
  z-index: 1;
  transition: opacity 220ms ease;
}

.cards-grid .card .card-body {
  position: relative;
  z-index: 2;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 220ms ease, transform 220ms ease;
}

.cards-grid .card:hover::before,
.cards-grid .card:focus-within::before {
  opacity: 1;
}

.cards-grid .card:hover,
.cards-grid .card:focus-within {
  border-color: #ffffff;
}

.cards-grid .card:hover .card-body,
.cards-grid .card:focus-within .card-body {
  opacity: 1;
  transform: translateY(0);
}

.card:hover {
  transform: translateY(-8px) translateZ(12px) scale(1.035); 
  box-shadow: 0 18px 50px rgba(0,0,0,0.60), 0 0 40px rgba(255, 255, 255, 0.25), 0 0 80px rgba(255, 255, 255, 0.12); 
  z-index: 6;
}

@media (max-width: 768px) {
  .card:hover { transform: translateY(-4px) scale(1.02); box-shadow: 0 12px 30px rgba(0,0,0,0.50), 0 0 20px rgba(255,255,255,0.15), 0 0 40px rgba(255,255,255,0.08); }
  .cards-grid { gap: 24px; }
  .card-title { font-size: 1.1rem; }
  .card-meta { font-size: 1rem; }
}

.card-body { text-align: center; color: rgba(255,255,255,0.9); }
.card-title { font-weight: 700; color: #ffd700; margin-bottom: 10px; font-size: 2.5em;}
.card-meta { font-size: 1.5rem; color: rgba(255,255,255,0.72); }

.register-btn {
  display: inline-block;
  width: auto;
  min-width: 200px;
  margin: 15px auto 0;
  padding: 8px 24px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  color: #ffffff;
  text-decoration: none;
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  border: 1px solid rgba(255,255,255,0.06);
  backdrop-filter: blur(8px) saturate(120%);
  -webkit-backdrop-filter: blur(8px) saturate(120%);
  box-shadow: 0 6px 18px rgba(0,0,0,0.45);
  transition: background 260ms ease, color 200ms ease, box-shadow 220ms ease, transform 140ms ease;
}

.register-btn:hover,
.register-btn:focus {
  background: linear-gradient(90deg, #ffd700, #f5c04d 70%);
  color: #000000;
  box-shadow: 0 12px 36px rgba(245,180,40,0.18);
  transform: translateY(-2px);
}

.register-btn:active { transform: translateY(0); }

@media (max-width: 420px) {
  .register-btn { width: 100%; display: block; padding: 12px; }
}

@media (max-width: 768px) {
  .events-section { flex-direction: column; }
  .events-left { order: 1; padding: 8px 0; }
  .events-right { order: 2; width: 60vw; margin-left: 0; margin-right: 0; }
  .cards-grid { grid-template-columns: 1fr; }
}

@media (min-width: 1024px) {
  .logo-placeholder { display: inline-flex; }
  .menu-toggle { display: inline-flex; }
}

.event-details-panel {
  max-width: 640px;
  padding: 2.5rem 2rem;
}

.event-popup-title {
  font-size: 2rem;
  font-weight: 700;
  color: #ffd700;
  margin: 0 0 1.5rem 0;
  text-align: center;
  letter-spacing: 0.5px;
}

.event-rules-section {
  width: 100%;
  margin-bottom: 1.5rem;
}

.rules-heading {
  font-size: 1.25rem;
  font-weight: 600;
  color: #ffffff;
  margin: 0 0 1rem 0;
  letter-spacing: 0.3px;
}

.rules-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.rules-list li {
  position: relative;
  padding-left: 1.5rem;
  color: #d4d4d8;
  font-size: 1rem;
  line-height: 1.6;
}

.rules-list li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: #ffd700;
  font-size: 1.25rem;
  line-height: 1.6;
}

.event-register-btn {
  width: 100%;
  padding: 0.875rem 1.5rem;
  background: linear-gradient(90deg, rgba(255,215,0,0.95), rgba(250,205,60,0.95));
  color: #000;
  font-size: 1.125rem;
  font-weight: 600;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.event-register-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 215, 0, 0.3);
}

/* Toggle Section */
.toggle-section {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem 1rem;
  margin: 2rem 0;
}

.toggle-container {
  display: inline-block;
}

.toggle-switch {
  position: relative;
  display: flex;
  gap: 0;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 215, 0, 0.2);
  border-radius: 50px;
  padding: 4px;
  backdrop-filter: blur(10px);
}

.toggle-switch input[type="radio"] {
  display: none;
}

.toggle-label {
  position: relative;
  padding: 12px 32px;
  cursor: pointer;
  z-index: 2;
  transition: color 0.3s ease;
  color: rgba(255, 255, 255, 0.6);
  font-size: 16px;
  text-transform: lowercase;
  white-space: nowrap;
  user-select: none;
}

.toggle-switch input[type="radio"]:checked + .toggle-label {
  color: rgba(0, 0, 0, 0.9);
}

.toggle-slider {
  position: absolute;
  top: 4px;
  left: 4px;
  width: calc(50% - 4px);
  height: calc(100% - 8px);
  background: linear-gradient(135deg, rgba(255, 215, 0, 0.95), rgba(245, 192, 77, 0.95));
  border-radius: 50px;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1;
  box-shadow: 0 2px 8px rgba(255, 215, 0, 0.3);
}

.toggle-switch input[type="radio"]:nth-of-type(2):checked ~ .toggle-slider {
  transform: translateX(100%);
}

/* Events Grid Container */
.events-grid-wrapper {
  position: relative;
  width: 100%;
  min-height: 600px;
  overflow: hidden;
}

.events-grid-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  padding: 2rem 1rem;
  opacity: 0;
  transform: translateX(100px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), 
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
}

.events-grid-container.active {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
  position: relative;
}

.events-grid-container.hidden {
  opacity: 0;
  transform: translateX(100px);
  pointer-events: none;
  position: absolute;
}

.events-grid-container.fade-out-left {
  opacity: 0;
  transform: translateX(-100px);
  pointer-events: none;
  position: absolute;
}

.events-grid-container .container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

@media (max-width: 768px) {
  .toggle-label {
    padding: 10px 24px;
    font-size: 14px;
  }
  
  .toggle-section {
    padding: 1.5rem 1rem;
    margin: 1rem 0;
  }
}

@media (max-width: 1023px) {
  .event-details-panel {
    max-width: 100%;
  }
  
  .event-popup-title {
    font-size: 1.75rem;
  }
  
  .rules-heading {
    font-size: 1.125rem;
  }
}