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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-image: url("/web/images/pexels-pixabay-267885.jpg");
    background-size: cover; 
    background-position: center; 
    background-repeat: no-repeat; 
    background-attachment: fixed;
    position: relative;
    overflow-x: hidden;
}

.seo-hidden {
    position: absolute;
    left: -9999px;
    top: -9999px;
    height: 1px;
    width: 1px;
    overflow: hidden;
}
    body::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%), radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
        pointer-events: none;
    }

.container {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    position: relative;
    z-index: 1;
}

.button-grid {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    max-width: 1000px;
}

.btn {
    padding: 25px 50px;
    font-size: 20px;
    font-weight: 600;
    color: #e0e0e0;
    background: rgba(20, 20, 30, 0.6);
    border: 2px solid rgba(100, 255, 255, 0.4);
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(12px);
    box-shadow: 0 0 15px rgba(100, 255, 255, 0.2), inset 0 0 10px rgba(100, 255, 255, 0.1);
    text-transform: capitalize;
    letter-spacing: 1.5px;
    min-width: 250px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

    .btn::before {
        content: "";
        position: absolute;
        top: -50%;
        left: -50%;
        width: 200%;
        height: 200%;
        background: radial-gradient(circle at center, rgba(0, 255, 255, 0.4), transparent 60%);
        animation: pulse 3s infinite ease-in-out;
        z-index: 0;
    }

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.4;
    }

    50% {
        transform: scale(1.2);
        opacity: 0.8;
    }
}

.btn:hover {
    background: rgba(40, 40, 60, 0.7);
    border-color: rgba(0, 255, 255, 0.8);
    color: #b8ffff;
    box-shadow: 0 0 25px rgba(0, 255, 255, 0.5), 0 0 50px rgba(0, 255, 255, 0.3);
    transform: translateY(-5px);
}

.btn:active {
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
}


footer {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: white;
    position: relative;
    z-index: 1;
    flex-wrap: wrap;
    gap: 15px;
}

.copyright {
    font-size: 14px;
    opacity: 0.9;
}

.contact {
    font-size: 16px;
    font-weight: 500;
}

    .contact a {
        color: white;
        text-decoration: none;
        transition: opacity 0.3s ease;
    }

        .contact a:hover {
            opacity: 0.8;
        }

@media (max-width: 768px) {
    .button-grid {
        flex-direction: column;
        gap: 20px;
    }

    .btn {
        min-width: 200px;
        padding: 20px 40px;
        font-size: 18px;
    }

    footer {
        flex-direction: column;
        text-align: center;
        padding: 20px;
    }
}