body {
    margin: 0;
    font-family: 'Inter', Arial, sans-serif;
    background: linear-gradient(135deg, #0f2027 0%, #2c5364 100%);
    color: #fff;
    min-height: 100vh;
}
header {
    padding: 2rem 1rem;
    text-align: center;
    background: rgba(44, 83, 100, 0.85);
}
header h1 {
    font-size: 2.5rem;
    font-weight: 600;
    margin: 0;
    letter-spacing: 2px;
}
header p {
    font-size: 1.2rem;
    margin-top: 0.5rem;
    color: #b0bec5;
}
main {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem 1rem;
}
.cta-btn {
    margin-top: 2rem;
    padding: 0.75rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(90deg, #43cea2 0%, #185a9d 100%);
    border: none;
    border-radius: 30px;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(44,83,100,0.2);
    transition: background 0.3s;
}
.cta-btn:hover {
    background: linear-gradient(90deg, #185a9d 0%, #43cea2 100%);
}
.features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    margin-top: 3rem;
}
.feature-card {
    background: rgba(44, 83, 100, 0.7);
    border-radius: 16px;
    padding: 2rem;
    width: 280px;
    box-shadow: 0 2px 8px rgba(44,83,100,0.15);
    text-align: left;
}
.feature-card h3 {
    margin-top: 0;
    font-size: 1.3rem;
    font-weight: 600;
}
.feature-card p {
    color: #b0bec5;
    font-size: 1rem;
}
.marketplace {
    margin-top: 4rem;
    padding: 0 1rem;
    text-align: center;
}
.marketplace h2 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: #fff;
}
.marketplace-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    justify-items: center;
}
.marketplace-card {
    background: rgba(44, 83, 100, 0.8);
    border-radius: 16px;
    padding: 2rem 1rem 1.5rem 1rem;
    box-shadow: 0 2px 8px rgba(44,83,100,0.15);
    text-align: center;
    width: 100%;
    max-width: 320px;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.marketplace-card img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    margin-bottom: 1rem;
    border-radius: 12px;
    background: #fff;
    padding: 8px;
}
.marketplace-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0.5rem 0 0.5rem 0;
    color: #fff;
}
.marketplace-card p {
    color: #b0bec5;
    font-size: 1rem;
    margin: 0;
}
.material-icons.md-48 {
    font-size: 48px;
    color: #43cea2;
    margin-bottom: 1rem;
    background: #fff;
    border-radius: 12px;
    padding: 8px;
    box-shadow: 0 2px 8px rgba(44,83,100,0.10);
    display: inline-block;
    vertical-align: middle;
    line-height: 1;
}
footer {
    text-align: center;
    padding: 1.5rem 0;
    background: rgba(44, 83, 100, 0.85);
    color: #b0bec5;
    font-size: 1rem;
    margin-top: 2rem;
}
@media (max-width: 1000px) {
    .marketplace-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 700px) {
    header h1 {
        font-size: 2rem;
    }
    .features {
        flex-direction: column;
        gap: 1.5rem;
    }
    .feature-card {
        width: 100%;
    }
    .marketplace-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .marketplace-card {
        max-width: 100%;
    }
}