@import url('https://fonts.googleapis.com/css2?family=Righteous&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Lato:wght@300&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Chakra+Petch:wght@400;700&family=Inter:wght@400;500;600&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Abril+Fatface&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&family=Style+Script&display=swap');

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 16px;
}

::-webkit-scrollbar-track {
  background: #000c14;
  border-radius: 10px;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(45deg, #007bff, #00bfff);
  border-radius: 10px;
  border: 2px solid #000c14;
  cursor: pointer;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(45deg, #0056b3, #0080ff);
}

/* Modern Design System */
:root {
    /* Colors */
    --primary: #63c9f1;
    --primary-light: #81f8f2;
    --secondary: #14b8a6;
    --dark: #000c14;
    --light: #f8fafc;
    --glass: rgba(255, 255, 255, 0.03);
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary), var(--primary-light));
    --gradient-dark: linear-gradient(135deg, var(--dark), #1e293b);
    
    /* Transitions */
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }
  
  /* Base Styles */
  body {
    font-family: 'Inter', system-ui, sans-serif;
    background: var(--dark);
    color: var(--light);
    margin: 0;
    padding: 0;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }
  
  .btn {
    --border-color: linear-gradient(-45deg, #d9f6ff, #73ade2, #00fffb);
    --border-width: 0.125em;
    --curve-size: 0.5em;
    --blur: 30px;
    --bg: #080312;
    --color: #afffff;
    color: var(--color);
    cursor: pointer;
    /* use position: relative; so that BG is only for .btn */
    position: relative;
    isolation: isolate;
    display: inline-grid;
    place-content: center;
    padding: 0.5em 1.5em;
    font-size: 17px;
    border: 0;
    text-transform: uppercase;
    box-shadow: 10px 10px 20px rgba(0, 0, 0, 0.6);
    clip-path: polygon(
      /* Top-left */ 0% var(--curve-size),
      var(--curve-size) 0,
      /* top-right */ 100% 0,
      100% calc(100% - var(--curve-size)),
      /* bottom-right 1 */ calc(100% - var(--curve-size)) 100%,
      /* bottom-right 2 */ 0 100%
    );
    transition: color 250ms;
    margin-top: 25px;
  }
  
  .btn::after,
  .btn::before {
    content: "";
    position: absolute;
    inset: 0;
  }
  
  .btn::before {
    background: var(--border-color);
    background-size: 300% 300%;
    animation: move-bg7234 5s ease infinite;
    z-index: -2;
  }
  
  @keyframes move-bg7234 {
    0% {
      background-position: 31% 0%;
    }
  
    50% {
      background-position: 70% 100%;
    }
  
    100% {
      background-position: 31% 0%;
    }
  }
  
  .btn::after {
    background: var(--bg);
    z-index: -1;
    clip-path: polygon(
      /* Top-left */ var(--border-width)
        calc(var(--curve-size) + var(--border-width) * 0.5),
      calc(var(--curve-size) + var(--border-width) * 0.5) var(--border-width),
      /* top-right */ calc(100% - var(--border-width)) var(--border-width),
      calc(100% - var(--border-width))
        calc(100% - calc(var(--curve-size) + var(--border-width) * 0.5)),
      /* bottom-right 1 */
        calc(100% - calc(var(--curve-size) + var(--border-width) * 0.5))
        calc(100% - var(--border-width)),
      /* bottom-right 2 */ var(--border-width) calc(100% - var(--border-width))
    );
    transition: clip-path 500ms;
  }
  
  .btn:where(:hover, :focus)::after {
    clip-path: polygon(
      /* Top-left */ calc(100% - var(--border-width))
        calc(100% - calc(var(--curve-size) + var(--border-width) * 0.5)),
      calc(100% - var(--border-width)) var(--border-width),
      /* top-right */ calc(100% - var(--border-width)) var(--border-width),
      calc(100% - var(--border-width))
        calc(100% - calc(var(--curve-size) + var(--border-width) * 0.5)),
      /* bottom-right 1 */
        calc(100% - calc(var(--curve-size) + var(--border-width) * 0.5))
        calc(100% - var(--border-width)),
      /* bottom-right 2 */
        calc(100% - calc(var(--curve-size) + var(--border-width) * 0.5))
        calc(100% - var(--border-width))
    );
    transition: 200ms;
  }
  
  .btn:where(:hover, :focus) {
    color: #fff;
  }
  
  
  
  
  /* Enhanced Banner */
  .ctf-banner {
    position: relative;
    width: 100%;
    height: 80vh;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-dark);
  }
  
  .ctf-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.2;
    transform: scale(1.02);
    transition: var(--transition-base);
  }
  
  .ctf-banner:hover img {
    transform: scale(1.05);
  }
  
  .banner-overlay {
    position: absolute;
    text-align: center;
    max-width: 800px;
    padding: 0 2rem;
    z-index: 2;
  }
  
  .banner-overlay h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 800;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    font-family: 'Chakra Petch', sans-serif;
  }
  
  .banner-overlay p {
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    margin-bottom: 2.5rem;
    opacity: 0.9;
    font-family: 'Chakra Petch', sans-serif;
  }
  
  /* Modern Button Styles */
  .cta-button {
    background: white;
    color: black;
    padding: 1rem 2.5rem;
    border-radius: 12px;
    font-weight: 600;
    transition: var(--transition-base);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    font-family: 'Chakra Petch', sans-serif;
    text-decoration: none;
  }
  
  .cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-base);
  }
  
  
  /* Modern Card Layout */
  .ctf-info {
    max-width: 1200px;
    margin: 5rem auto;
    padding: 0 2rem;
  }
  
  .event-status {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    border-radius: 100px;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
  }
  
  .event-status.ongoing {
    background: rgba(34, 197, 94, 0.1);
    color: #4ade80;
    border: 1px solid rgba(74, 222, 128, 0.2);
  }

  .event-status.upcoming {
    background: rgba(197, 173, 34, 0.1);
    color: #decf4a;
    border: 1px solid rgba(222, 220, 74, 0.2);
  }
  
  /* Modern Prize Cards */
  .prize-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
  }
  
  .prize-card {
    background: var(--glass);
    padding: 2rem;
    border-radius: 24px;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-base);
  }
  
  
  .prize-card span {
    display: block;
    margin-bottom: 1rem;
  }
  
  .prize-card span:last-child {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  
  /* Modern Tag Design */
  .tag-list {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin: 2rem 0;
  }
  
  .tag {
    background: var(--glass);
    padding: 0.75rem 1.25rem;
    border-radius: 100px;
    font-size: 0.875rem;
    color: var(--primary-light);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-base);
  }
  
  .tag:hover {
    background: rgba(99, 102, 241, 0.1);
    transform: translateY(-2px);
  }
  
  /* Responsive Design */
  @media (max-width: 768px) {
    .prize-grid {
      grid-template-columns: 1fr;
    }
    
    .event-info {
      flex-direction: column;
      gap: 1rem;
    }
    
    .banner-overlay {
      padding: 0 1rem;
    }
  }


  /* Scoreboard Section Styles */
.scoreboard-section {
  max-width: 1200px;
  margin: 5rem auto;
  padding: 0 2rem;
}

.scoreboard-section h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  font-family: 'Chakra Petch', sans-serif;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-align: center;
}

.scoreboard-section p {
  text-align: center;
  margin-bottom: 3rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  opacity: 0.9;
  font-family: 'Inter', sans-serif;
}

.scoreboard-container {
  background: var(--glass);
  border-radius: 24px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.05);
  overflow: hidden;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  margin-bottom: 3rem;
}

.scoreboard-header {
  display: grid;
  grid-template-columns: 0.5fr 2fr 1fr 1fr;
  padding: 1.5rem 2rem;
  background: rgba(255, 255, 255, 0.05);
  font-weight: 600;
  font-family: 'Chakra Petch', sans-serif;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--primary-light);
}

.scoreboard-row {
  display: grid;
  grid-template-columns: 0.5fr 2fr 1fr 1fr;
  padding: 1.25rem 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition-base);
  font-family: 'Inter', sans-serif;
  align-items: center;
}

.scoreboard-row:hover {
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-2px);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.scoreboard-row:last-child {
  border-bottom: none;
}

.rank {
  font-weight: 600;
  font-size: 1.1rem;
}

.rank-1, .rank-2, .rank-3 {
  position: relative;
  font-weight: 700;
  font-size: 1.25rem;
}

.rank-1 {
  color: gold;
}

.rank-2 {
  color: silver;
}

.rank-3 {
  color: #cd7f32; /* bronze */
}

.team-name {
  font-weight: 500;
}

.solved, .score {
  font-family: 'Chakra Petch', sans-serif;
  font-weight: 600;
}

.score {
  color: var(--primary);
}

/* Responsive Design */
@media (max-width: 768px) {
  .scoreboard-header, .scoreboard-row {
      grid-template-columns: 0.5fr 1.5fr 1fr 1fr;
      padding: 1rem;
      font-size: 0.9rem;
  }
  
  .rank-1, .rank-2, .rank-3 {
      font-size: 1.1rem;
  }
}

@media (max-width: 576px) {
  .scoreboard-header, .scoreboard-row {
      grid-template-columns: 0.4fr 1.2fr 0.7fr 0.7fr;
      padding: 0.75rem;
      font-size: 0.8rem;
  }
  
  .scoreboard-section h2 {
      font-size: 2rem;
  }
  
  .scoreboard-section p {
      font-size: 0.9rem;
  }
}