:root{
    --primary:#1c3cd9;
    --accent:#ffd166;
    --dark:#1a1a2e;
    --radius:20px;
}

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

body{
    font-family:'Nunito',sans-serif;
    background:#f8f9ff;
    overflow-x:hidden;
}

/* Progress Bar */
.progress-bar{
    position:fixed;
    top:0;
    left:0;
    height:5px;
    background:var(--primary);
    width:0%;
    z-index:2000;
}

/* Navbar */
nav{
    position:sticky;
    top:0;
    background:rgba(28,60,217,0.9);
    backdrop-filter:blur(10px);
    padding:12px 6vw;
    display:flex;
    justify-content:space-between;
    align-items:center;
    z-index:1000;
}

.nav-logo{
    display:flex;
    align-items:center;
    gap:10px;
    color:white;
    font-family:'Fredoka';
    font-weight:700;
    text-decoration:none;
}

.nav-logo img{
    width:40px;
    border-radius:50%;
}

nav a{
    color:var(--accent);
    text-decoration:none;
    font-weight:600;
    font-size:14px;
}

/* Hero */
header{
    min-height:60vh;
    background:linear-gradient(135deg,#1c3cd9,#5f7cff);
    display:flex;
    justify-content:center;
    align-items:center;
    text-align:center;
    color:white;
    padding:40px 20px;
}

.hero-content{max-width:700px;}

header h1{
    font-family:'Fredoka';
    font-size:clamp(28px,6vw,55px);
    margin-bottom:15px;
}

header p{
    font-size:clamp(14px,3vw,20px);
    opacity:0.9;
}

header img{
    width:clamp(90px,15vw,150px);
    margin-top:20px;
    border-radius:50%;
}

/* Sections */
section{
    padding:clamp(50px,8vw,100px) clamp(20px,6vw,80px);
}

.section-title{
    text-align:center;
    font-family:'Fredoka';
    font-size:clamp(24px,5vw,40px);
    margin-bottom:40px;
    color:var(--dark);
}

/* Cards */
.activity-card{
    background:white;
    border-radius:var(--radius);
    padding:clamp(25px,5vw,50px);
    margin-bottom:60px;
    box-shadow:0 10px 30px rgba(0,0,0,0.08);
    transition:transform 0.4s ease;
}

.activity-card:hover{
    transform:translateY(-6px);
}

.activity-card h2{
    font-family:'Fredoka';
    margin-bottom:20px;
    color:var(--primary);
}

.activity-card ul{
    margin-bottom:25px;
    line-height:1.8;
}

/* Image Grid */
.image-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(180px,1fr));
    gap:15px;
}

.image-grid img{
    width:100%;
    height:220px;
    object-fit:cover;
    border-radius:15px;
    transition:transform 0.4s ease;
}

.image-grid img:hover{
    transform:scale(1.08);
}

/* Footer */
footer{
    background:var(--dark);
    color:white;
    text-align:center;
    padding:30px 20px;
    font-size:14px;
}

/* Animation */
.hidden{
    opacity:0;
    transform:translateY(40px);
    transition:all 0.8s ease;
}

.show{
    opacity:1;
    transform:translateY(0);
}