* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body, html {
    height: 100%;
    width: 100%;
    overflow: hidden;
    background-color: #0f172a;
    color: #ffffff;
}

/* Hareketli Arka Plan Degradesi */
.background-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: linear-gradient(45deg, #1e3a8a, #4c1d95, #be185d, #0f172a);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
    z-index: -1;
}

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

.container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    padding: 20px;
}

/* Glassmorphism (Cam Efekti) Kart Tasarımı */
.glass-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 50px;
    text-align: center;
    max-width: 600px;
    width: 100%;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: fadeIn 1.5s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.logo {
    font-size: 3rem;
    color: #f472b6;
    margin-bottom: 20px;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    line-height: 1.2;
}

h1 span {
    background: linear-gradient(to right, #f472b6, #818cf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

p {
    font-size: 1rem;
    color: #cbd5e1;
    margin-bottom: 30px;
    line-height: 1.6;
}

/* Geri Sayım Alanı */
.countdown {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
}

.time-box {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    padding: 15px;
    min-width: 80px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform 0.3s ease;
}

.time-box:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.1);
}

.time-box span {
    font-size: 2rem;
    font-weight: 700;
    color: #ffffff;
    display: block;
}

.time-box p {
    font-size: 0.8rem;
    margin-bottom: 0;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* E-posta Abonelik Formu */
.newsletter {
    margin-bottom: 30px;
}

.newsletter p {
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.notify-form {
    display: flex;
    gap: 10px;
}

.notify-form input {
    flex: 1;
    padding: 12px 20px;
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(0, 0, 0, 0.1);
    color: #fff;
    font-size: 1rem;
    outline: none;
    transition: all 0.3s ease;
}

.notify-form input::placeholder {
    color: #94a3b8;
}

.notify-form input:focus {
    border-color: #818cf8;
    background: rgba(0, 0, 0, 0.3);
}

.notify-form button {
    padding: 12px 25px;
    border-radius: 50px;
    border: none;
    background: linear-gradient(to right, #818cf8, #c084fc);
    color: #fff;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.notify-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -10px rgba(192, 132, 252, 0.8);
}

/* Sosyal Medya Linkleri */
.social-links {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #f472b6;
    transform: translateY(-3px) scale(1.1);
}

/* Mobil Uyumluluk */
@media (max-width: 600px) {
    .glass-card {
        padding: 30px 20px;
    }
    
    .countdown {
        gap: 10px;
        flex-wrap: wrap;
    }
    
    .time-box {
        min-width: 65px;
        padding: 10px;
    }
    
    .time-box span {
        font-size: 1.5rem;
    }
    
    .notify-form {
        flex-direction: column;
    }
    
    h1 {
        font-size: 2rem;
    }
}