.login-welcome {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: grid;
    place-items: center;
    overflow: hidden;
    color: #ffffff;
    background: #10131f;
    opacity: 0;
    transform: scale(1.012);
    transition:
        opacity 320ms ease,
        transform 620ms cubic-bezier(0.2, 0.8, 0.2, 1),
        clip-path 720ms cubic-bezier(0.18, 0.88, 0.24, 1);
    clip-path: inset(0 0 0 0 round 0);
}

.login-welcome.is-visible {
    opacity: 1;
    transform: scale(1);
}

.login-welcome.is-leaving {
    opacity: 0;
    transform: scale(1.05);
    clip-path: inset(50% 50% 50% 50% round 32px);
    pointer-events: none;
}

.login-welcome__plane {
    position: absolute;
    inset: -12%;
    background:
        linear-gradient(115deg, rgba(14, 165, 233, 0.94), rgba(20, 184, 166, 0.9) 34%, rgba(244, 114, 96, 0.9) 68%, rgba(30, 41, 59, 0.98)),
        linear-gradient(45deg, rgba(255, 255, 255, 0.16) 0 16%, transparent 16% 28%, rgba(255, 255, 255, 0.12) 28% 42%, transparent 42% 100%);
    transform: translate3d(0, 0, 0);
}

.login-welcome--aurora .login-welcome__plane {
    animation: loginWelcomeDrift 4.8s ease-in-out infinite alternate;
}

.login-welcome--pulse .login-welcome__plane {
    animation: loginWelcomePulse 3.2s ease-in-out infinite alternate;
}

.login-welcome--ribbon .login-welcome__plane {
    animation: loginWelcomeRibbon 4.2s cubic-bezier(0.4, 0, 0.2, 1) infinite alternate;
}

.login-welcome__content {
    position: relative;
    z-index: 1;
    width: min(860px, calc(100vw - 40px));
    display: grid;
    gap: 18px;
    justify-items: center;
    text-align: center;
    padding: 32px 18px;
}

.login-welcome__kicker {
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.76);
}

.login-welcome__title {
    max-width: 820px;
    font-size: 88px;
    line-height: 0.95;
    font-weight: 850;
    letter-spacing: 0;
    overflow-wrap: anywhere;
    text-wrap: balance;
    text-shadow: 0 22px 70px rgba(4, 9, 22, 0.36);
}

.login-welcome__continue {
    min-height: 42px;
    padding: 0 18px;
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.14);
    color: #ffffff;
    font-size: 14px;
    font-weight: 750;
    cursor: pointer;
    backdrop-filter: blur(12px);
    transition: background 180ms ease, transform 180ms ease;
}

.login-welcome__continue:hover,
.login-welcome__continue:focus-visible {
    background: rgba(255, 255, 255, 0.22);
    outline: none;
    transform: translateY(-1px);
}

@keyframes loginWelcomeDrift {
    from { transform: translate3d(-2%, -1%, 0) scale(1.02); }
    to { transform: translate3d(2%, 1%, 0) scale(1.05); }
}

@keyframes loginWelcomePulse {
    from { filter: saturate(1) contrast(1); transform: scale(1.02); }
    to { filter: saturate(1.24) contrast(1.06); transform: scale(1.06); }
}

@keyframes loginWelcomeRibbon {
    from { background-position: 0% 50%, 0 0; transform: rotate(-1deg) scale(1.04); }
    to { background-position: 100% 50%, 60px 0; transform: rotate(1deg) scale(1.07); }
}

@media (max-width: 640px) {
    .login-welcome__content {
        width: min(100%, calc(100vw - 28px));
        gap: 14px;
    }

    .login-welcome__title {
        font-size: 42px;
    }
}

@media (min-width: 641px) and (max-width: 980px) {
    .login-welcome__title {
        font-size: 64px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .login-welcome,
    .login-welcome__plane,
    .login-welcome__continue {
        animation: none !important;
        transition-duration: 160ms !important;
    }
}