@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;500;700&display=swap');

body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f9fefb;
    color: #333;
    scroll-behavior: smooth;
}

header {
    background-color: #2ecc71;
    padding: 10px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    width: 90%;
    margin: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav a {
    color: white;
    text-decoration: none;
    margin: 0 15px;
    font-weight: 500;
}

nav a:hover {
    text-decoration: underline;
}

.hero {
    background: linear-gradient(to bottom right, #a8e6cf, #dcedc1);
    text-align: center;
    padding: 80px 20px 40px;
}

.hero img {
    max-width: 360px;
    margin-bottom: 5px;
    animation: fadeIn 2s ease-in-out;
}

.hero h1 {
    font-size: 2.5em;
    color: #2e7d32;
}

.hero p {
    font-size: 1.2em;
    color: #388e3c;
    margin-top: 10px;
}

@keyframes fadeIn {
    from {opacity: 0; transform: translateY(-20px);}
    to {opacity: 1; transform: translateY(0);}
}

.container {
    width: 90%;
    margin: 20px auto;
    background: #ffffff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-in-out;
}

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

h2, h3 {
    color: #27ae60;
}

ul {
    list-style: none;
    padding-left: 0;
}

ul li {
    margin-bottom: 10px;
}

.section {
    margin-top: 50px;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.card {
    background: #f0fff4;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.card:hover {
    transform: translateY(-5px);
}

.footer {
    background-color: #2ecc71;
    text-align: center;
    padding: 20px;
    margin-top: 40px;
    color: white;
}

#backToTop {
    display: none;
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #2ecc71;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
}