:root {
    --bg: #000;
    --glass: rgba(0, 0, 0, 0.35);
    --border: rgba(0, 255, 255, 0.25);
    --glow: rgba(0, 255, 255, 0.2);
    --radius: 12px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;

    display: flex;
    justify-content: center;
    align-items: center;

    background: radial-gradient(circle at center, #050505, black);
    font-family: monospace;
    color: white;

    animation: fadeIn 0.8s ease-out;
}

.MainTerminal {
    width: min(95vw, 1400px);
    height: min(95vh, 900px);

    padding: 20px;

    background: var(--glass);
    backdrop-filter: blur(12px);

    border: 1px solid var(--border);
    border-radius: var(--radius);

    box-shadow: 0 0 15px var(--glow);

    display: flex;
    flex-direction: column;
    gap: 20px;

    animation: terminalGlow 4s ease-in-out infinite;
}

.Navigation-Stuff {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;

    gap: 2rem;

    padding: 10px;

    border: 1px solid var(--border);
    border-radius: var(--radius);

    background: rgba(0,0,0,0.4);
}

.Navigation-Stuff img {
    width: 40px;
}

.Holder {
    flex: 1;
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 15px;
}

.Topics {
    display: flex;
    flex-direction: column;
    gap: 12px;

    height: 100%;
}

.Sub1Terminal {
    flex: 1;

    display: flex;
    flex-direction: column;
    justify-content: center;

    padding: 15px;

    background: rgba(0,0,0,0.4);
    border: 1px solid var(--border);
    border-radius: var(--radius);

    box-shadow: 0 0 10px rgba(0,255,255,0.1);

    transition: transform .25s ease, box-shadow .25s ease;
}

.Sub1Terminal:hover {
    transform: scale(1.02);
    box-shadow: 0 0 20px rgba(0,255,255,0.25);
}

.MainTerminal2 {
    display: flex;
    flex-direction: column;
    align-items: center;

    padding: 20px;

    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.MainTerminal3 {
    display: flex;
    align-items: center;
    gap: 20px;
}

.MainTerminal3 img {
    width: clamp(60px, 6vw, 120px);
}

.MainHeading {
    font-size: clamp(2rem, 2vw, 4rem);
    text-shadow: 0 0 10px rgba(0,255,255,0.3);
}

.Main2 {
    margin-top: 20px;
    font-size: clamp(0.9rem, 1vw, 1.05rem);
    line-height: 1;

    text-shadow: 0 0 10px rgba(0,255,255,0.2);
}

a {
    color: white;
    text-decoration: none;
    transition: 0.2s ease;
}

a {
    -webkit-tap-highlight-color: transparent;
}

a:hover {
    color: cyan;
    transform: translateY(-2px);
}

img {
    transition: 0.3s ease;
}

img:hover {
    transform: scale(1.08);
    filter: drop-shadow(0 0 10px cyan);
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(1.02); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes terminalGlow {
    0%, 100% {
        box-shadow: 0 0 15px rgba(0,255,255,0.2);
    }
    50% {
        box-shadow: 0 0 25px rgba(0,255,255,0.35);
    }
}

@media (max-width: 900px) {

    body {
        align-items: flex-start;
        padding: 10px;
    }

    .MainTerminal {
        width: 100%;
        height: auto;
        border-radius: 0;
    }

    .Holder {
        grid-template-columns: 1fr;
    }

    .MainTerminal3 {
        flex-direction: column;
        text-align: center;
    }

    .Navigation-Stuff {
        gap: 1rem;
    }
}

@media (max-width: 900px) {

    .Holder {
        display: flex;
        flex-direction: column;
    }

    .Topics {
        order: 2;
    }

    .MainTerminal2 {
        order: 1;
    }
}

@media (max-width: 900px) {

    .Navigation-Stuff {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
        padding: 10px;
    }

    .Navigation-Stuff a {
        font-size: 14px;
    }

    .Navigation-Stuff img {
        width: 35px;
    }

    .logo {
        flex-basis: 100%;
        display: flex;
        justify-content: center;
    }
}
@media (max-width: 900px) {
    .MainTerminal3 img {
        display: none;
    }
}