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

body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #000c25 0%, #001a3a 50%, #000c25 100%);
    min-height: 100vh;
    display: flex;
    align-items: stretch;
    justify-content: stretch;
    padding: 0;
    color: #e5e7eb;
}

.container {
    background: rgba(0, 12, 37, 0.9);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    text-align: center;
    max-width: 100%;
    width: 100%;
    min-height: 100vh;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(186, 248, 27, 0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
}

.logo {
    font-size: 3em;
    font-weight: bold;
    background: linear-gradient(45deg, #baf81b, #ffd700);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
    text-shadow: 0 0 20px rgba(186, 248, 27, 0.3);
}

.subtitle {
    color: #baf81b;
    font-size: 1.2em;
    margin-bottom: 30px;
    font-weight: 500;
}

.giris-btn {
    display: inline-block;
    background: linear-gradient(45deg, #baf81b, #ffd700);
    color: #000c25;
    padding: 18px 60px;
    text-decoration: none;
    border-radius: 50px;
    font-size: 1.4em;
    font-weight: bold;
    margin-bottom: 40px;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(186, 248, 27, 0.3);
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 2px solid rgba(186, 248, 27, 0.3);
}

.giris-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(186, 248, 27, 0.5);
    background: linear-gradient(45deg, #ffd700, #baf81b);
    border-color: #baf81b;
}

.seo-content {
    text-align: left;
    margin-top: 30px;
    line-height: 1.6;
    color: #cbd5e1;
}

.seo-content h2 {
    color: #baf81b;
    margin-bottom: 15px;
    font-size: 1.5em;
    border-bottom: 2px solid #baf81b;
    padding-bottom: 5px;
    text-shadow: 0 0 10px rgba(186, 248, 27, 0.3);
}

.seo-content h3 {
    color: #baf81b;
    margin: 20px 0 10px 0;
    font-size: 1.2em;
    font-weight: 600;
}

.seo-content p {
    margin-bottom: 15px;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 30px 0;
    width: 100%;
}

.feature {
    background: rgba(0, 12, 37, 0.8);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(186, 248, 27, 0.2);
    color: #e5e7eb;
    transition: all 0.3s ease;
}

.feature-icon {
    font-size: 2em;
    margin-bottom: 10px;
}

@media (max-width: 768px) {
    .container {
        padding: 30px 20px;
    }
    
    .logo {
        font-size: 2.5em;
    }
    
    .giris-btn {
        padding: 15px 40px;
        font-size: 1.2em;
    }
}

/* Promosyonlar sayfası - GIF alanları ızgarası */
.promo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 16px;
    width: 100%;
    margin: 20px 0 10px 0;
}

.promo-item {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
    border-radius: 12px;
    border: 1px solid rgba(186, 248, 27, 0.3);
    background: rgba(0, 12, 37, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #baf81b;
    font-weight: bold;
    transition: all 0.3s ease;
    cursor: pointer;
}

.promo-item span {
    pointer-events: none;
}

.promo-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
    display: block;
    transition: all 0.3s ease;
}

.promo-item:hover {
    transform: scale(1.05);
    border-color: #baf81b;
    box-shadow: 0 0 20px rgba(186, 248, 27, 0.4);
}

.feature:hover {
    transform: translateY(-5px);
    border-color: #baf81b;
    box-shadow: 0 10px 25px rgba(186, 248, 27, 0.2);
}

/* Yatırım sayfası - yöntem ikonları ızgarası */
.pay-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 16px;
    width: 100%;
    margin: 10px 0 0 0;
}

.pay-card {
    background: rgba(0, 12, 37, 0.8);
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.2);
    border: 1px solid rgba(186, 248, 27, 0.3);
    padding: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.pay-card:hover {
    transform: scale(1.05);
    border-color: #baf81b;
    box-shadow: 0 8px 25px rgba(186, 248, 27, 0.3);
}

.pay-card img {
    width: 100%;
    height: auto;
    max-height: 80px;
    object-fit: contain;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    display: block;
}