* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    text-align: center;
    max-width: 600px;
    width: 100%;
}

header {
    margin-bottom: 3rem;
}

.title {
    font-size: 3.5rem;
    font-weight: 700;
    color: #ffffff;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

@media (max-width: 768px) {
    .title {
        font-size: 2.5rem;
    }
}

main {
    display: flex;
    justify-content: center;
}

.button-group {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    width: 100%;
    max-width: 300px;
}

.button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    font-size: 1.125rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    color: #ffffff;
    position: relative;
    overflow: hidden;
}

.button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.button:hover::before {
    left: 100%;
}

.button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.button:active {
    transform: translateY(0);
}

.button-instagram {
    background: linear-gradient(135deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
}

.button-instagram:hover {
    background: linear-gradient(135deg, #bc1888 0%, #cc2366 25%, #dc2743 50%, #e6683c 75%, #f09433 100%);
}

.button-facebook {
    background: linear-gradient(135deg, #1877f2 0%, #0d47a1 100%);
}

.button-facebook:hover {
    background: linear-gradient(135deg, #0d47a1 0%, #1877f2 100%);
}

.icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.button span {
    position: relative;
    z-index: 1;
}

@media (max-width: 480px) {
    .button {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
    
    .icon {
        width: 20px;
        height: 20px;
    }
}