@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@300;500;700&display=swap");

  *,
  *::before,
  *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  .download-btn {
    color: #0000FF;
    font-weight: bold;
    font-size: 20px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.download-label {
    background-image: linear-gradient(45deg, #ff0000, #ff7300, #ff0, #0f0, #00f, #f0f);
    background-size: 300% 300%;
    color: white;
    font-weight: bold;
    padding: 5px 12px;
    border-radius: 4px;
    font-size: 14px;
    animation: gradientAnimation 3s infinite;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

@keyframes gradientAnimation {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}
  body {
    --color: rgba(30, 30, 30);
    --bgColor: rgba(245, 245, 245);
    min-height: 100vh;
    display: grid;
    align-content: center;
    gap: 2rem;
    padding: 2rem;
    font-family: "Poppins", sans-serif;
    color: var(--color);
    background: var(--bgColor);
  }
  
  h1 {
    text-align: center;
  }
  
  ul {
    --col-gap: 2rem;
    --row-gap: 2rem;
    --line-w: 0.25rem;
    display: grid;
    grid-template-columns: var(--line-w) 1fr;
    grid-auto-columns: max-content;
    column-gap: var(--col-gap);
    list-style: none;
    width: min(60rem, 90%);
    margin-inline: auto;
  }
  
  /* line */
  ul::before {
    content: "";
    grid-column: 1;
    grid-row: 1 / span 20;
    background: rgb(225, 225, 225);
    border-radius: calc(var(--line-w) / 2);
  }
  
  /* columns*/
  
  /* row gaps */
  ul li:not(:last-child) {
    margin-bottom: var(--row-gap);
  }
  
  /* card */
  ul li {
    grid-column: 2;
    --inlineP: 1.5rem;
    margin-inline: var(--inlineP);
    grid-row: span 2;
    display: grid;
    grid-template-rows: min-content min-content min-content;
  }
  
  /* date */
  ul li .date {
    --dateH: 3rem;
    height: var(--dateH);
    margin-inline: calc(var(--inlineP) * -1);
  
    text-align: center;
    background-color: var(--accent-color);
  
    color: white;
    font-size: 1.25rem;
    font-weight: 700;
  
    display: grid;
    place-content: center;
    position: relative;
  
    border-radius: calc(var(--dateH) / 2) 0 0 calc(var(--dateH) / 2);
  }
  
  /* date flap */
  ul li .date::before {
    content: "";
    width: var(--inlineP);
    aspect-ratio: 1;
    background: var(--accent-color);
    background-image: linear-gradient(rgba(0, 0, 0, 0.2) 100%, transparent);
    position: absolute;
    top: 100%;
  
    clip-path: polygon(0 0, 100% 0, 0 100%);
    right: 0;
  }
  
  /* circle */
  ul li .date::after {
    content: "";
    position: absolute;
    width: 2rem;
    aspect-ratio: 1;
    background: var(--bgColor);
    border: 0.3rem solid var(--accent-color);
    border-radius: 50%;
    top: 50%;
  
    transform: translate(50%, -50%);
    right: calc(100% + var(--col-gap) + var(--line-w) / 2);
  }
  
  /* title descr */
  ul li .title,
  ul li .descr {
    background: var(--bgColor);
    position: relative;
    padding-inline: 1.5rem;
  }
  ul li .title {
    overflow: hidden;
    padding-block-start: 1.5rem;
    padding-block-end: 1rem;
    font-weight: 500;
  }
  ul li .descr {
    padding-block-end: 1.5rem;
    font-weight: 300;
  }
  
  /* shadows */
  ul li .title::before,
  ul li .descr::before {
    content: "";
    position: absolute;
    width: 90%;
    height: 0.5rem;
    background: rgba(0, 0, 0, 0.5);
    left: 50%;
    border-radius: 50%;
    filter: blur(4px);
    transform: translate(-50%, 50%);
  }
  ul li .title::before {
    bottom: calc(100% + 0.125rem);
  }
  
  ul li .descr::before {
    z-index: -1;
    bottom: 0.25rem;
  }
  
  @media (min-width: 40rem) {
    ul {
      grid-template-columns: 1fr var(--line-w) 1fr;
    }
    ul::before {
      grid-column: 2;
    }
    ul li:nth-child(odd) {
      grid-column: 1;
    }
    ul li:nth-child(even) {
      grid-column: 3;
    }
  
    /* start second card */
    ul li:nth-child(2) {
      grid-row: 2/4;
    }
  
    ul li:nth-child(odd) .date::before {
      clip-path: polygon(0 0, 100% 0, 100% 100%);
      left: 0;
    }
  
    ul li:nth-child(odd) .date::after {
      transform: translate(-50%, -50%);
      left: calc(100% + var(--col-gap) + var(--line-w) / 2);
    }
    ul li:nth-child(odd) .date {
      border-radius: 0 calc(var(--dateH) / 2) calc(var(--dateH) / 2) 0;
    }
  }
  
  .credits {
    margin-top: 1rem;
    text-align: right;
  }
  .credits a {
    color: var(--color);
  }
/* Anchor Tag Styling */
a.custom-link {
  color: #ff0000; /* Bright red */
  font-size: 18px;
  font-weight: bold;
  text-decoration: none;
  position: relative;
  transition: color 0.3s ease;
  animation: flashingText 1s infinite alternate;
}

/* Hover Effect */
a.custom-link:hover {
  color: #cc0000; /* Darker red on hover */
}

/* Underline Effect */
a.custom-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 2px;
  background-color: #ff0000;
  transition: transform 0.3s ease;
  transform: scaleX(0);
  transform-origin: left;
}

a.custom-link:hover::after {
  transform: scaleX(1);
}

/* Flashing Effect */
@keyframes flashingText {
  from {
      color: #ff0000;
  }
  to {
      color: #ff4d4d;
  }
}
a.phase {
  color: #007bff; /* Bright blue */
  font-size: 18px;
  font-weight: bold;
  text-decoration: none;
  position: relative;
  transition: color 0.3s ease;
  animation: flashingBlue 1s infinite alternate;
}

/* Hover Effect */
a.phase:hover {
  color: #0056b3; /* Darker blue on hover */
}

/* Underline Effect */
a.phase::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 2px;
  background-color: #007bff;
  transition: transform 0.3s ease;
  transform: scaleX(0);
  transform-origin: left;
}

a.phase:hover::after {
  transform: scaleX(1);
}

/* Flashing Effect */
@keyframes flashingBlue {
  from {
      color: #007bff;
  }
  to {
      color: #66b3ff;
  }
}