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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('https://ai.zenithrifle.cfd/bg.jpg') center/cover no-repeat;
    color: #ffffff;
    min-height: 100vh;
    position: relative;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    padding: 20px 0;
    position: relative;
    z-index: 10;
    transition: background 0.3s ease;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 18px;
    font-weight: 500;
}

nav {
    display: flex;
    gap: 30px;
}

.nav-link {
    color: #ffffff;
    text-decoration: none;
    font-size: 14px;
    opacity: 0.9;
    transition: opacity 0.3s ease;
}

.nav-link:hover {
    opacity: 1;
}

main {
    flex: 1;
    display: flex;
    align-items: center;
    min-height: calc(100vh - 100px);
}

.hero {
    max-width: 600px;
}

h1 {
    font-size: 48px;
    font-weight: 600;
    margin-bottom: 20px;
    line-height: 1.2;
}

.subtitle {
    font-size: 18px;
    margin-bottom: 15px;
    opacity: 0.9;
}

.description {
    font-size: 16px;
    line-height: 1.5;
    margin-bottom: 30px;
    opacity: 0.8;
}

.buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 40px;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    transform: scale(1);
}

.btn:hover {
    transform: scale(1.05);
}

.btn:active {
    transform: scale(0.95);
}

.btn.primary {
    background: #ffffff;
    color: #000000;
}

.btn.primary:hover {
    background: #f0f0f0;
}

.btn.secondary {
    background: transparent;
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn.secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.specs {
    font-size: 14px;
    opacity: 0.7;
    line-height: 1.6;
}

footer {
    margin-top: auto;
    padding: 8px 0 6px;
    border-top: 1px solid rgba(255,255,255,0.07);
}

.disclaimer {
    margin-bottom: 5px;
    font-size: 10px;
    line-height: 1.2;
    opacity: 0.50;
    text-align: center;
    letter-spacing: 0.01em;
}

.disclaimer p {
    margin-bottom: 2px;
}

.link {
    color: #60a5fa;
    text-decoration: none;
    transition: color 0.3s ease;
}

.link:hover {
    color: #93c5fd;
    text-decoration: underline;
}

.copyright {
    text-align: center;
    font-size: 10px;
    opacity: 0.40;
    padding-bottom: 0;
    letter-spacing: 0.01em;
}

@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        gap: 15px;
    }
    h1 {
        font-size: 36px;
    }
    .buttons {
        flex-direction: column;
        gap: 10px;
    }
    .btn {
        width: 100%;
    }
    .disclaimer,
    .copyright {
        font-size: 9px;
    }
    footer {
        padding: 6px 0 4px;
    }
}