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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #000000;
    background-image: radial-gradient(#202769 5%, transparent 50%);
    background-size: 5px 5px;
    background-attachment: fixed;
    color: #fff;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    max-width: 400px;
    width: 100%;
    margin: 0 auto;
    padding: 20px;
    background: rgba(0, 0, 0, 0.8);
    border-radius: 15px;
    box-shadow: 0 0 20px rgba(255, 0, 0, 0.5);
    border: 1px solid #ff0000;
    text-align: center;
}

header {
    margin-bottom: 20px;
}

.logo {
    display: block;
    margin: 0 auto;
    max-width: 260px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.welcome {
    margin-bottom: 25px;
}

.welcome h1 {
    font-size: 16px;
    color: #fff;
    overflow: hidden;
    border-right: .15em solid #fbf4a0;
    white-space: nowrap;
    letter-spacing: .09em;
    margin: 0 auto;
    animation: typing 3.5s steps(40, end), blink-caret .75s step-end infinite;
}

@keyframes typing {
    from { width: 0 }
    to { width: 100% }
}

@keyframes blink-caret {
    from, to { border-color: transparent }
    to { border-color: #fbf4a0; }
}

.banner {
    width: 100%;
    height: auto;
    border-radius: 10px;
    margin-bottom: 20px;
    border: 2px solid #ff0000;
}

.btn-container {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 20px;
}

.btn {
    padding: 15px;
    color: #ffffff;
    font-size: 18px;
    font-weight: bold;
    text-decoration: none;
    text-align: center;
    background: linear-gradient(to bottom, #ff0000, #a50000);
    border-radius: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
}

.btn:before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: rgba(255, 255, 255, 0.1);
    transform: rotate(45deg);
    transition: all 0.6s ease;
    z-index: 1;
}

.btn:hover:before {
    transform: rotate(45deg) translate(50px, 50px);
}

.btn:active {
    transform: translateY(2px);
    box-shadow: 0 2px 3px rgba(0, 0, 0, 0.3);
}

.copyright {
    text-align: center;
    color: #ffffff96;
    font-size: 12px;
    margin-top: 15px;
}

.copyright a {
    color: #fbf4a0;
    text-decoration: none;
}

.copyright a:hover {
    text-decoration: underline;
}

.floating {
    animation: float 6s ease-in-out infinite;
}

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

/* Responsive adjustments */
@media (max-width: 480px) {
    .container {
        padding: 15px;
    }
    
    .welcome h1 {
        font-size: 14px;
    }
    
    .btn {
        padding: 12px;
        font-size: 16px;
    }
}