:root {
  --primary-bg: #0f172a;
  --text-light: #f1f5f9;
  --accent: #facc15;
  --blue: #3b82f6;
}

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

body {
  font-family: 'Segoe UI', sans-serif;
  background: var(--primary-bg);
  color: var(--text-light);
  line-height: 1.6;
}

header {
  background: #1e293b;
  color: var(--text-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  border-bottom: 1px solid #334155;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
}

.blue {
  color: var(--blue);
}
.yellow {
  color: var(--accent);
}

nav a {
  color: var(--text-light);
  margin-left: 20px;
  text-decoration: none;
}
nav a.btn {
  background: #6366f1;
  padding: 8px 16px;
  border-radius: 8px;
  color: white;
}

.hero {
  text-align: center;
  padding: 100px 20px 60px;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}
.hero .highlight {
  color: var(--accent);
  font-weight: 700;
}

.hero p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.btn-primary {
  background: var(--accent);
  color: #000;
  padding: 12px 20px;
  border-radius: 8px;
  font-weight: bold;
  text-decoration: none;
}

.features {
  padding: 60px 20px;
  text-align: center;
}

.features ul {
  list-style: none;
  padding: 0;
  margin-top: 20px;
}
.features li {
  margin-bottom: 10px;
  font-size: 1.1rem;
}

.newsletter {
  background: #1e3a8a;
  padding: 60px 20px;
  text-align: center;
}

.newsletter p{
    margin-bottom: 2rem;
}

.newsletter input {
  padding: 10px;
  width: 250px;
  border: none;
  border-radius: 6px;
  margin-right: 10px;
}
.newsletter button {
  background: var(--accent);
  color: #000;
  padding: 10px 16px;
  border: none;
  border-radius: 6px;
}

footer {
  background: #0f172a;
  color: var(--text-light);
  text-align: center;
  padding: 20px;
  font-size: 0.9rem;
}


.contribute {
  padding: 60px 20px;
  background-color:  var(--primary-bg);;
  text-align: center;
}
.contribute h2 {
  font-size: 2rem;
  margin-bottom: 10px;
}
.contribute p {
  color: #cbd5e1;
  margin-bottom: 20px;
}
.contribute a.btn-primary {
  background-color: #22c55e;
  color: white;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: bold;
  text-decoration: none;
}

nav {
  position: relative;
  display: flex;
  align-items: center;
}

.nav-links {
  display: flex;
  gap: 20px;
}

.menu-toggle {
  display: none;
  font-size: 1.5rem;
  background: none;
  color: #facc15;
  border: none;
  margin-left: auto;
  cursor: pointer;
}

/* Responsive Mobile Nav */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    right: 0;
    top: 60px;
    background-color: #1e293b;
    padding: 10px 20px;
    border: 1px solid #334155;
    border-radius: 8px;
  }

  .nav-links.active {
    display: flex;
  }

  .menu-toggle {
    display: inline;
  }
}