@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;700&family=Poppins:wght@300;600&display=swap');

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

body { 
    background: #05070a; 
    color: #c9d1d9; 
    font-family: 'Poppins', sans-serif;
    overflow-x: hidden;
}

.bg-animation {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(circle at 50% 50%, #112240 0%, #05070a 100%);
    z-index: -1;
    opacity: 0.6;
}

.navbar { 
    display: flex; justify-content: space-between; align-items: center; 
    padding: 15px 5%; background: rgba(10, 25, 47, 0.85); 
    position: sticky; top: 0; z-index: 1000; 
    border-bottom: 1px solid #233554; backdrop-filter: blur(10px); 
}
.logo { font-size: 1.5rem; font-weight: bold; color: #fff; text-shadow: 0 0 10px #58a6ff; }
.logo span { color: #58a6ff; }
.nav-links { display: flex; list-style: none; gap: 20px; }
.nav-links a { color: #8892b0; text-decoration: none; font-size: 0.85rem; transition: 0.3s; }
.nav-links a:hover { color: #64ffda; }

.hero { padding: 100px 20px; text-align: center; }
.hero h1 { font-size: 3.5rem; color: #ccd6f6; line-height: 1.1; }
.highlight { color: #64ffda; text-shadow: 0 0 20px rgba(100, 255, 218, 0.3); }

.box-wrapper { 
    display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; 
    padding: 20px; position: sticky; top: 70px; z-index: 999; 
}
.box { 
    background: rgba(17, 34, 64, 0.7); 
    border: 1px solid #233554; padding: 10px 20px; 
    border-radius: 8px; cursor: pointer; color: #64ffda;
    display: flex; align-items: center; gap: 10px;
    font-weight: 600; font-size: 0.85rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}
.box:hover { 
    background: #233554; border-color: #64ffda; 
    transform: translateY(-5px); box-shadow: 0 5px 15px rgba(100, 255, 218, 0.2);
}

.container { max-width: 850px; margin: auto; padding: 20px; }
.command-section { margin-top: 80px; }
.command-section h2 { margin-bottom: 30px; font-size: 1.6rem; color: #ccd6f6; border-left: 4px solid #64ffda; padding-left: 15px; }

.cmd-item { margin-bottom: 20px; background: #112240; padding: 20px; border-radius: 12px; border: 1px solid #233554; transition: 0.3s; }
.cmd-item:hover { border-color: #58a6ff; }
.instruction { font-size: 0.8rem; color: #8892b0; margin-bottom: 12px; }
.instruction strong { color: #64ffda; }

.cmd-box { background: #020c1b; padding: 12px; border-radius: 6px; display: flex; justify-content: space-between; align-items: center; }
code { color: #7ee787; font-family: 'JetBrains Mono', monospace; font-size: 0.85rem; }

button { background: #112240; color: #64ffda; border: 1px solid #64ffda; padding: 6px 15px; border-radius: 4px; cursor: pointer; font-weight: bold; transition: 0.3s; }
button:hover { background: #64ffda; color: #0a192f; }

#topBtn {
    position: fixed; bottom: 30px; right: 30px;
    background: #64ffda; color: #0a192f; border: none;
    width: 45px; height: 45px; border-radius: 50%;
    font-size: 1.2rem; cursor: pointer; display: none; z-index: 1000;
    box-shadow: 0 0 15px rgba(100, 255, 218, 0.5);
}

.footer { 
    padding: 60px 20px; 
    text-align: center; 
    border-top: 1px solid #30363d; 
    background: rgba(1, 4, 9, 0.8);
    margin-top: 80px;
}
.footer-content { max-width: 800px; margin: 0 auto; }
.copyright { font-size: 1rem; color: #fff; margin-bottom: 15px; font-weight: 600; }
.credits { font-size: 0.85rem; color: #8b949e; margin-bottom: 20px; }
.credits span { color: #58a6ff; margin-right: 10px; text-transform: uppercase; letter-spacing: 1px; font-size: 0.75rem; }
.credits a { color: #c9d1d9; text-decoration: none; transition: 0.3s; padding: 0 5px; }
.credits a:hover { color: #58a6ff; text-shadow: 0 0 8px rgba(88, 166, 255, 0.5); }
.disclaimer { font-size: 0.7rem; color: #484f58; font-style: italic; }

@media (max-width: 600px) { .nav-links { display: none; } .hero h1 { font-size: 2.5rem; } }