* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  overflow-x: hidden;
  font-family:'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
  font-weight: 400;
  font-style: normal;
  color: white;
  background: linear-gradient(#03045E,#023E8A,#0077B6,#0096C7,#48CAE4,#013a63);
}
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-image: url(Algo.png);
  background-size: cover;
  padding: 8px 50px;
  box-shadow: 0 2px 4px rgba(0, 255, 204, 0.2);
}
nav ul {
  display: flex;
  font-size: 25px;
  gap: 25px;
  list-style: none;
}
nav a {
  color: #e0e0e0;
  text-decoration: none;
  transition: 0.3s;
}
a:hover {
  background-color: white;
  color: black;
  transform: translateY(-5px);
}
img{
    position: relative;
    top: 2px;
    left: 10px;
    height: 50px;
    border-radius: 100%;
    background-color: white;
    cursor: pointer;
    border:2px solid white;
}
a:active{
    background-color:  #0077B6;
}

h1 {
  text-align: center;
  padding: 2rem;
  background: #023E8A;
  font-size: 2.8rem;
  font-weight: bold;
  color: #ffe066;
  text-shadow: 2px 2px #000;
}

.road-container {
  position: relative;
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

.milestone {
  background-color: rgba(255, 255, 255, 0.15);
  border-left: 5px solid #ffe066;
  padding: 1rem;
  border-radius: 12px;
  margin: 2rem 0;
  width: 60%;
  position: relative;
  box-shadow: 0 5px 10px rgba(0,0,0,0.4);
  transition: transform 0.3s;
  cursor: pointer;
}

.milestone:hover {
  transform: scale(1.03);
  background-color: rgba(255, 255, 255, 0.25);
}

.milestone.left {
  left: 0;
  margin-left: 0;
}

.milestone.right {
  margin-left: auto;
  border-left: none;
  border-right: 5px solid #ffe066;
}

.milestone h3 {
  margin-top: 0;
  color: #ffe066;
  text-shadow: 1px 1px #000;
}

.board-label {
  text-align: center;
  font-size: 1.5rem;
  font-weight: bold;
  margin: 3rem 0 1rem;
  color: #ffd166;
  background: rgba(0,0,0,0.3);
  padding: 0.5rem 1rem;
  border-radius: 10px;
  display: inline-block;
}

.connector {
  width: 3px;
  height: 80px;
  background-color: #ffe066;
  margin: 0 auto;
}

.road-end {
  text-align: center;
  font-size: 1.5rem;
  color: #ffe066;
  margin-top: 3rem;
  padding-bottom: 2rem;
  background: #2c2c2c;
  border-radius: 10px;
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 768px) {
  .milestone {
    width: 90%;
  }

  .milestone.right {
    margin-left: 0;
    border-left: 5px solid #ffe066;
    border-right: none;
}
}