body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #ffffff;
    color: #000000;
    text-align: center;
    padding: 50px 20px;
    margin: 0;
}

h1 {
    font-size: 2.5em;
    margin-bottom: 20px;
    color: #222222;
}

p {
    font-size: 1.1em;
    color: #444444;
    margin-bottom: 30px;
}

a {
    color: #0077cc;
    text-decoration: none;
    font-weight: bold;
    margin: 0 10px;
    transition: color 0.3s ease;
}

a:hover {
    color: #005999;
}

.logo {
    max-width: 180px;
    margin-bottom: 30px;
    animation: float 3s ease-in-out infinite;
}

.button {
    display: inline-block;
    padding: 12px 24px;
    margin: 20px auto;
    font-size: 1em;
    color: #ffffff;
    background-color: #00b386;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    text-decoration: none;
}

.button:hover {
    background-color: #008f6b;
}

.features {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 40px;
    gap: 40px;
}

.feature-box {
    width: 260px;
    padding: 20px;
    text-align: center;
}

.feature-box img {
    height: 48px;
    margin-bottom: 15px;
}

.feature-box h3 {
    font-size: 1.2em;
    margin-bottom: 10px;
    color: #222222;
}

.feature-box p {
    font-size: 0.95em;
    color: #666666;
}

.chart {
    max-width: 500px;
    width: 100%;
    margin: 40px auto;
    border-radius: 16px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
}

footer {
    margin-top: 60px;
    font-size: 0.9em;
    color: #999999;
}

@keyframes float {
    0%   { transform: translateY(0); }
    50%  { transform: translateY(-10px); }
    100% { transform: translateY(0); }
}