/* RESET */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

/* BODY */
body {
  background: #0b0f1a;
  color: #e5e7eb;
  line-height: 1.6;
}

/* SIDEBAR */
.sidebar {
  width: 255px;
  height: 100vh;
  position: fixed;
  left: 0;
  top: 0;
  background: #111827;
  border-right: 1px solid #1f2937;
  padding: 20px;
  z-index: 999;
}

.logo {
  text-align: center;
  color: #ffffff;
  margin-bottom: 30px;
}

/* SIDEBAR LINKS */
.sidebar nav a {
  display: block;
  padding: 12px;
  text-decoration: none;
  color: #e5e7eb;
  border-radius: 8px;
  margin-bottom: 8px;
  transition: 0.3s;
  font-weight: 500;
}

/* HOVER + ACTIVE (HIGH CONTRAST SAFE) */
.sidebar nav a:hover,
.sidebar nav a.active {
  background: #4c1d95;
  color: #ffffff;
}

/* CONTENT */
.content-wrapper {
  margin-left: 255px;
}

/* HERO */
.header {
  padding: 80px 20px;
  background: linear-gradient(135deg, #1e1b4b, #312e81);
  color: #ffffff;
  text-align: center;
}

/* ACCESSIBLE BUTTON */
.btn {
  display: inline-block;
  margin-top: 20px;
  background-color: #4c1d95;
  color: #ffffff;
  padding: 12px 25px;
  border-radius: 25px;
  text-decoration: none;
  font-weight: 600;
  font-size: 16px;
  border: 2px solid #4c1d95;
  transition: 0.3s ease;
}

.btn:hover {
  background-color: #3b0764;
  border-color: #3b0764;
}

.btn:focus {
  outline: 3px solid #ffffff;
  outline-offset: 3px;
}

/* CARDS */
.cards {
  padding: 40px 20px;
  text-align: center;
}

.card-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 15px;
  margin-top: 20px;
}

.card {
  background: #1f2937;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.4);
  color: #e5e7eb;
}

/* ROADMAP */
.roadmap {
  padding: 40px 20px;
  text-align: center;
}

/* WHY SECTION */
.why-section {
  padding: 40px 20px;
  background: #111827;
}

/* FOOTER (FIXED CONTRAST) */
footer {
  text-align: center;
  padding: 15px;
  background: #0f172a;
  color: #e5e7eb;
  font-size: 14px;
}

/* MOBILE MENU BUTTON */
.menu-btn {
  display: none;
  position: fixed;
  top: 15px;
  left: 15px;
  background-color: #4c1d95;
  color: #ffffff;
  border: 2px solid #4c1d95;
  font-size: 22px;
  padding: 10px 14px;
  z-index: 1100;
  border-radius: 8px;
}

.menu-btn:focus {
  outline: 3px solid #ffffff;
  outline-offset: 3px;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    transition: 0.3s;
  }

  .sidebar.show {
    transform: translateX(0);
  }

  .content-wrapper {
    margin-left: 0;
  }

  .menu-btn {
    display: block;
  }
}

.sidebar a:hover {
  background: rgba(128, 0, 255, 0.1);
  padding-left: 10px;
  transition: 0.3s;
}

.b{
  position: fixed;
  top: 655px;
}