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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #fff;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #222;
}

.container {
    text-align: center;
    padding: 2rem;
}

.content {
    background: #f7f7f7;
    padding: 3rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    color: #222;
    border: 2px solid #e0e0e0;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: #222;
}

p {
    font-size: 1.2rem;
    margin-top: 2rem;
    color: #222;
}

.loader {
    width: 50px;
    height: 50px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid #3498db;
    border-radius: 50%;
    margin: 20px auto;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@media (max-width: 768px) {
    .content {
        padding: 2rem;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    p {
        font-size: 1rem;
    }
}

.abtech-logo {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
}

/* Büyük çark animasyonu */
.abtech-logo #big-gear {
    transform-origin: 110px 140px;
    animation: big-gear-spin 3s linear infinite;
}
@keyframes big-gear-spin {
    100% { transform: rotate(360deg); }
}

/* Küçük çark animasyonu */
.abtech-logo #small-gear {
    transform-origin: 178px 85px;
    animation: small-gear-spin 2s linear infinite reverse;
}
@keyframes small-gear-spin {
    100% { transform: rotate(360deg); }
}

/* Kaynak ucu kıvılcım animasyonu */
.abtech-logo #spark {
    opacity: 1;
    animation: spark-blink 0.7s steps(1, end) infinite;
}
@keyframes spark-blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.contact-info {
    margin-top: 2.5rem;
    padding: 1.5rem 1rem 1rem 1rem;
    background: #f7f7f7;
    border-radius: 12px;
    box-shadow: 0 2px 12px 0 rgba(31,38,135,0.10);
    color: #222;
    font-size: 1.05rem;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
    border: 2px solid #e0e0e0;
}
.contact-info p {
    margin-bottom: 0.7rem;
}
.whatsapp-link {
    color: #25D366;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.2s;
}
.whatsapp-link:hover {
    color: #128C7E;
}