body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.main-container {
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* Logo SVG */
.site-logo {
    width: 150px;
    height: 150px;
}

/* Animasyonlar */
@keyframes slideInFromLeft {
    0% {
        transform: translateX(-100%);
        opacity: 0;
    }
    100% {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideInFromRight {
    0% {
        transform: translateX(100%);
        opacity: 0;
    }
    100% {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes fadeInUp {
    0% {
        transform: translateY(30px);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

.animate-left {
    animation: slideInFromLeft 0.6s ease-out;
}

.animate-right {
    animation: slideInFromRight 0.6s ease-out;
}

.animate-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Bildirim çubuğu - Yanıp sönen */
.announcement-bar {
    background: linear-gradient(90deg, #ff6b6b, #feca57, #48dbfb, #ff6b6b);
    background-size: 300% 100%;
    animation: gradientShift 3s ease infinite, pulse 2s ease-in-out infinite;
    padding: 15px;
    text-align: center;
    color: white;
    font-weight: bold;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    border: 3px solid rgba(255, 255, 255, 0.5);
    border-radius: 5px;
    margin-bottom: 20px;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes pulse {
    0%, 100% { 
        transform: scale(1);
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    }
    50% { 
        transform: scale(1.02);
        box-shadow: 0 6px 25px rgba(0, 0, 0, 0.5);
    }
}

/* Butonlar */
.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    color: white;
    padding: 12px 30px;
    border-radius: 25px;
    font-weight: bold;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.btn-success {
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    border: none;
    color: white;
    padding: 12px 30px;
    border-radius: 25px;
    font-weight: bold;
    transition: all 0.3s;
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(56, 239, 125, 0.4);
}

/* Kartlar */
.card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

/* Abonelik Paketleri */
.package-card {
    position: relative;
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s;
    background: white;
    border: 2px solid #e0e0e0;
}

.package-card.featured {
    border: 3px solid #667eea;
    transform: scale(1.05);
}

.package-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

.package-badge {
    position: absolute;
    top: -10px;
    right: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 5px 20px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
}

/* Duyuru Animasyonu */
@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.blink-animation {
    animation: blink 2s ease-in-out infinite;
}