body {
    margin: 0;
    font-family: 'Segoe UI', Arial, sans-serif;
    background: linear-gradient(135deg, #0f2027 0%, #2c5364 50%, #00ff99 100%);
    min-height: 100vh;
    color: #e6fff5;
}

header {
    background: linear-gradient(90deg, #0f2027 60%, #00ff99 100%);
    color: #fff;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 12px rgba(0,255,153,0.08);
}
header h1 {
    margin: 0;
    font-size: 2rem;
    letter-spacing: 2px;
    color: #00ff99;
    text-shadow: 0 2px 8px #0f2027;
}
nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
    margin: 0;
    padding: 0;
}
nav a {
    color: #e6fff5;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.2s;
}
nav a:hover {
    color: #00ff99;
}
.hero {
    text-align: center;
    padding: 5rem 2rem 3rem 2rem;
    background: linear-gradient(120deg, #0f2027 0%, #00ff99 100%);
    color: #fff;
    border-radius: 0 0 2rem 2rem;
    box-shadow: 0 4px 24px rgba(0,255,153,0.12);
}
.cta {
    display: inline-block;
    margin-top: 2rem;
    padding: 1rem 2.5rem;
    background: linear-gradient(90deg, #00ff99, #0f2027);
    color: #fff;
    border: none;
    border-radius: 2rem;
    font-size: 1.2rem;
    font-weight: bold;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0,255,153,0.15);
    transition: background 0.3s, transform 0.2s;
    text-decoration: none;
}
.cta:hover {
    background: linear-gradient(90deg, #0f2027, #00ff99);
    transform: scale(1.05);
}
main {
    max-width: 900px;
    margin: 2rem auto;
    background: rgba(15,32,39,0.95);
    border-radius: 1rem;
    box-shadow: 0 2px 16px rgba(0,255,153,0.10);
    padding: 2rem;
}
.features-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    padding: 0;
    list-style: none;
}
.features-list li {
    background: linear-gradient(90deg, #0f2027 60%, #00ff99 100%);
    color: #e6fff5;
    padding: 1rem;
    border-radius: 1rem;
    font-weight: 500;
    box-shadow: 0 1px 4px rgba(0,255,153,0.10);
}
section {
    margin-bottom: 2.5rem;
}
form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
input, textarea {
    background: #1a2a33;
    color: #e6fff5;
    border: 1px solid #00ff99;
    padding: 0.8rem;
    border-radius: 0.5rem;
    font-size: 1rem;
    resize: none;
}
button[type="submit"] {
    background: linear-gradient(90deg, #00ff99, #0f2027);
    color: #fff;
    border: none;
    border-radius: 2rem;
    padding: 0.8rem 2rem;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.3s, transform 0.2s;
}
button[type="submit"]:hover {
    background: linear-gradient(90deg, #0f2027, #00ff99);
    transform: scale(1.04);
}
footer {
    text-align: center;
    padding: 1.5rem 0;
    color: #00ff99;
    background: linear-gradient(90deg, #0f2027 60%, #00ff99 100%);
    border-radius: 2rem 2rem 0 0;
    margin-top: 2rem;
    box-shadow: 0 -2px 12px rgba(0,255,153,0.08);
}
@media (max-width: 700px) {
    main {
        padding: 1rem;
    }
    .features-list {
        grid-template-columns: 1fr;
    }
    .hero {
        padding: 3rem 1rem 2rem 1rem;
    }
}