body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    background-color: #f5f7fa;
    color: #333;
}

header {
    background-color: #1f2937;
    color: white;
    text-align: center;
    padding: 25px 20px;
}

nav {
    background-color: #111827;
    padding: 12px;
    text-align: center;
}

nav a {
    color: white;
    margin: 0 15px;
    text-decoration: none;
    font-weight: bold;
    padding-bottom: 4px;
}

nav a:hover {
    color: #60a5fa;
}

nav a.active {
    color: #60a5fa;
    border-bottom: 2px solid #60a5fa;
}

.logo {
    font-weight: 700;
    font-size: 42px;
}

.logo i {
    color: #2563eb;
    margin-right: 8px;
}

.logo span {
    color: #2563eb;
    font-weight: 400;
}

.tagline {
    font-weight: normal;
    font-size: 18px;
    margin-top: 5px;
}

header h1, header h2 {
    margin: 0;
}

.main {
    text-align: center;
    padding: 50px;
    background-color: #e0f2fe;
}

.link {
    display: inline-block;
    margin-top: 15px;
    padding: 10px 20px;
    background-color: #2563eb;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.2s ease;
}

.link:hover {
    background-color: #1d4ed8;
    transform: scale(1.05);
}

.card {
    background: white;
    padding: 20px;
    margin: 20px 0;
    border-radius: 10px;
    box-shadow: 0 3px 8px rgba(0,0,0,0.08);
    transition: transform 0.2s ease;
}

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

.card i {
    font-size: 24px;
    margin-bottom: 10px;
    color: #2563eb;
}

.card h2, .card h3 {
    margin-top: 0;
}

.features {
    display: flex;
    justify-content: center;
    gap: 50px;
    padding: 30px;
    text-align: center;
}

.features i {
    font-size: 28px;
    color: #2563eb;
    margin-bottom: 8px;
}

section {
    padding: 30px;
    max-width: 800px;
    margin: auto;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn 0.6s forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

footer {
    text-align: center;
    padding: 20px;
    background-color: #1f2937;
    color: white;
}