body {
    background-color: #F5F5F5;
    color: #212121;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.navbar {
    background-color: #FFFFFF;
    box-shadow: 0 2px 4px rgba(0,0,0,.05);
}

.hero {
    background: linear-gradient(45deg, #512DA8, #673AB7);
    color: white;
    padding: 6rem 1rem;
    text-align: center;
}

.hero h1 {
    font-weight: 700;
    font-size: 3.5rem;
}

.hero p {
    font-size: 1.25rem;
    opacity: 0.9;
}

.btn-primary {
    background-color: #512DA8;
    border-color: #512DA8;
    padding: 0.75rem 1.5rem;
    border-radius: 0.25rem;
    font-weight: 600;
}

.btn-primary:hover {
    background-color: #4527A0;
    border-color: #4527A0;
}

.btn-secondary {
    background-color: #FFC107;
    border-color: #FFC107;
    color: #212121;
    padding: 0.75rem 1.5rem;
    border-radius: 0.25rem;
    font-weight: 600;
}

.btn-secondary:hover {
    background-color: #FFB300;
    border-color: #FFB300;
}

.section {
    padding: 4rem 1rem;
}

.feature-card {
    background-color: #FFFFFF;
    border: none;
    border-radius: 0.5rem;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0,0,0,.08);
    transition: transform 0.2s;
}

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

.feature-icon {
    width: 48px;
    height: 48px;
    stroke-width: 1.5;
    margin-bottom: 1rem;
    color: #512DA8;
}

.developer-section {
    background-color: #FFFFFF;
    border-radius: 0.5rem;
    padding: 3rem;
    box-shadow: 0 4px 12px rgba(0,0,0,.08);
}

.toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 1055;
}