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

body{
  font-family:'Poppins',sans-serif;
  background:#f4f7fb;
  color:#222;
}

.navbar{
  width:100%;
  padding:15px 7%;
  display:flex;
  justify-content:space-between;
  align-items:center;
  background:#0d1b2a;
  position:fixed;
  top:0;
  z-index:1000;
  box-shadow:0 4px 10px rgba(0,0,0,0.2);
}

.logo-section{
  display:flex;
  align-items:center;
  gap:15px;
}

.logo{
  width:55px;
  height:55px;
  border-radius:50%;
  object-fit:cover;
  border:2px solid white;
}

.logo-section h1{
  color:white;
}

.nav-links{
  display:flex;
  gap:25px;
  list-style:none;
}

.nav-links a{
  text-decoration:none;
  color:white;
  font-weight:500;
}

.hero{
  width:100%;
  height:100vh;
  background:url("images/group.jpg") center/cover no-repeat;
  position:relative;
  display:flex;
  justify-content:center;
  align-items:center;
  text-align:center;
}

.overlay{
  position:absolute;
  width:100%;
  height:100%;
  background:rgba(0,0,0,0.6);
}

.hero-content{
  position:relative;
  z-index:2;
  color:white;
}

.hero-content h2{
  font-size:4rem;
}

.hero-btn{
  display:inline-block;
  margin-top:20px;
  padding:12px 30px;
  background:#4cc9f0;
  color:white;
  border-radius:30px;
  text-decoration:none;
}

section{
  padding:100px 8%;
}

.section-title{
  text-align:center;
  margin-bottom:50px;
}

.members-container,
.contribution-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(230px,1fr));
  gap:25px;
}

.member-card,
.contribution-card,
.mission-box,
.contact-box,
.future-content{
  background:white;
  padding:30px;
  border-radius:18px;
  text-align:center;
  box-shadow:0 5px 15px rgba(0,0,0,0.1);
}

.info-text{
  max-width:900px;
  margin:auto;
  text-align:center;
}

footer{
  background:#0d1b2a;
  color:white;
  text-align:center;
  padding:20px;
}

@media(max-width:900px){
  .hero-content h2{
    font-size:2.5rem;
  }
}