#landing-bg {
    position: fixed;
    inset: 0;
    z-index: -2;
    overflow: hidden;
    background: #000;
}

#landing-bg::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(130% 130% at 50% 55%, rgba(0,0,0,0) 55%, rgba(0,0,0,.45) 80%, rgba(0,0,0,.8) 95%, #000 100%);
    pointer-events: none;
}

#landing-bg img {
    position: absolute;
    inset: 0;
    width: 100vw;
    height: 100vh;
    object-fit: cover;
    object-position: 18% 82%;
    opacity: 0;
    transform: scale(1.16);
    filter: contrast(1.05) saturate(1.05);
    animation: landingFade 16s infinite;
}

#landing-bg img:nth-child(1) { animation-delay: 0s; }
#landing-bg img:nth-child(2) { animation-delay: 8s; }

@keyframes landingFade {
    0%   { opacity: 0; transform: scale(1.12); }
    8%   { opacity: 0.85; }
    42%  { opacity: 0.85; }
    50%  { opacity: 0; }
    100% { opacity: 0; transform: scale(1.12); }
}

body > p {
    max-width: clamp(300px, 30vw, 520px);
    margin-left: auto;
    text-align: right;
    line-height: 1.6;
    z-index: 1;
    position: relative;
}

@media (max-width: 900px) {
    #landing-bg { right: 0; }
    body > p { max-width: 92vw; text-align: left; margin: 1rem auto 0; }
}

body::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background:
        linear-gradient(to bottom, #000 0 120px, rgba(0,0,0,.85) 220px, rgba(0,0,0,0) 520px),
        linear-gradient(to left,  #000 0 26vw,  rgba(0,0,0,.85) 32vw,  rgba(0,0,0,0) 48vw);
}

h1, nav, body > p { position: relative; z-index: 1; }

@media (max-width: 900px) {
    body::after {
        background:
            linear-gradient(to bottom, #000 0 96px, rgba(0,0,0,.8) 160px, rgba(0,0,0,0) 380px),
            linear-gradient(to left,  #000 0 8vw,  rgba(0,0,0,.6) 14vw,  rgba(0,0,0,0) 36vw);
    }
}