.intro {
    position: fixed;
    inset: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    transition: opacity 1.2s ease;
    background: transparent;
}

.intro-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 28px;
    max-width: min(920px, 96vw);
    margin: 0 auto;
}

.intro-field {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.intro-title {
    display: inline-flex;
    align-items: baseline;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0;
    width: 100%;
    margin: 0;
    font-family: "DotGothic16", ui-monospace, monospace;
    font-size: clamp(24px, 3.2vw, 40px);
    font-weight: 400;
    color: var(--fg-2);
    letter-spacing: 0.04em;
    line-height: 1.35;
}

.intro-title-text {
    display: inline;
    color: inherit;
    transition: background var(--t-fast), color var(--t-fast);
}

.intro-title-text.is-selected {
    background: rgba(110, 140, 190, 0.42);
    color: var(--fg);
    box-decoration-break: clone;
    -webkit-box-decoration-break: clone;
}

.intro-cursor {
    display: inline-block;
    margin-left: 1px;
    font-weight: 300;
    color: var(--fg-2);
    animation: intro-cursor-blink 1s steps(1, end) infinite;
}

.intro-cursor.hidden {
    display: none;
    animation: none;
}

@keyframes intro-cursor-blink {

    0%,
    49% {
        opacity: 1;
    }

    50%,
    100% {
        opacity: 0;
    }
}

.intro-input {
    width: 250px;
    max-width: 72vw;
    height: 40px;
    border: none;
    background: transparent;
    text-align: center;
    text-transform: lowercase;
    font-family: "DotGothic16", ui-monospace, monospace;
    font-size: 15px;
    letter-spacing: 0.06em;
    color: var(--fg-2);
    caret-color: var(--fg-2);
    outline: none;
}

.intro-input:disabled {
    opacity: 0.35;
    pointer-events: none;
}

.intro-error {
    margin-top: 0;
    color: var(--fg-2);
    font-size: 22px;
    line-height: 1;
    font-weight: 300;
    opacity: 0;
    transition: opacity var(--t-fast), transform var(--t-fast);
    transform: translateY(4px) rotate(45deg);
}

.intro-error.visible {
    opacity: 1;
    transform: translateY(0) rotate(45deg);
}

.intro.fade-out {
    opacity: 0;
    pointer-events: none;
}

.hidden-start {
    opacity: 0;
    transition: opacity 1.3s ease;
}