:root {
    --font-sans: "General Sans", sans-serif;
    --header-height: 64px;
    --footer-height: 72px;
    --top-offset: calc(var(--header-height) + 32px);
    --domain-item-height: 1.8rem;
    --domain-count: 4;
    --domain-cycle: 16s;
    --anim-duration: 0.85s;
    --anim-ease: cubic-bezier(0.18, 0.84, 0.44, 1);
    --anim-delay-step: 0.12s;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.main-shell {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 3rem;
    min-height: calc(100vh - var(--footer-height) - var(--top-offset));
    padding: var(--top-offset) 0 48px;
}

footer {
    margin-top: auto;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.domain-pill {
    min-width: max-content;
    line-height: 1;
    padding-block: 0;
    margin: 0 2px;
}

.domain-window {
    min-width: max-content;
    height: var(--domain-item-height);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.15rem;
    overflow: hidden;
    box-sizing: border-box;
    padding-block: 0;
}

.domain-track-clip {
    height: var(--domain-item-height);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    min-width: 8ch;
}

.domain-track {
    display: flex;
    flex-direction: column;
    width: 100%;
    animation: domain-shift var(--domain-cycle) infinite;
    animation-timing-function: cubic-bezier(0.45, 0, 0.25, 1);
    margin-top: 1.8rem;
}

.domain-item {
    height: var(--domain-item-height);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    line-height: var(--domain-item-height);
    padding-block: 0;
    text-align: right;
    width: 100%;
    box-sizing: border-box;
}

.domain-suffix {
    line-height: var(--domain-item-height);
}

.animate-base {
    opacity: 0;
    transform: translateY(32px);
    animation: fade-slide-up var(--anim-duration) var(--anim-ease) forwards;
    animation-delay: var(--anim-delay, 0s);
}

.delay-0 { --anim-delay: calc(var(--anim-delay-step) * 0); }
.delay-1 { --anim-delay: calc(var(--anim-delay-step) * 1); }
.delay-2 { --anim-delay: calc(var(--anim-delay-step) * 2); }
.delay-3 { --anim-delay: calc(var(--anim-delay-step) * 3); }
.delay-4 { --anim-delay: calc(var(--anim-delay-step) * 4); }
.delay-5 { --anim-delay: calc(var(--anim-delay-step) * 5); }
.delay-6 { --anim-delay: calc(var(--anim-delay-step) * 6); }
.delay-7 { --anim-delay: calc(var(--anim-delay-step) * 7); }
.delay-8 { --anim-delay: calc(var(--anim-delay-step) * 8); }
.delay-9 { --anim-delay: calc(var(--anim-delay-step) * 9); }
.delay-10 { --anim-delay: calc(var(--anim-delay-step) * 10); }

@keyframes domain-shift {
    0%, 18% {
        transform: translateY(0);
    }
    25%, 43% {
        transform: translateY(calc(-1 * var(--domain-item-height)));
    }
    50%, 68% {
        transform: translateY(calc(-2 * var(--domain-item-height)));
    }
    75%, 93% {
        transform: translateY(calc(-3 * var(--domain-item-height)));
    }
    100% {
        transform: translateY(calc(-1 * var(--domain-count) * var(--domain-item-height)));
    }
}

@keyframes fade-slide-up {
    0% {
        opacity: 0;
        transform: translateY(36px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .animate-base {
        opacity: 1;
        transform: none;
        animation: none;
    }
}