/* Banner de aliados (index). Franja fija en la esquina superior derecha,
   debajo de la navbar; permanece en pantalla mientras se hace scroll. */
.sponsor-banner {
    position: fixed;
    top: 116px;
    right: 24px;
    z-index: 900;
    width: min(480px, calc(100vw - 48px));
    height: 88px;
    border-radius: 14px;
    background: #0b1a33;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.14);
    box-shadow: 0 10px 26px rgba(0, 0, 0, 0.28);
    overflow: hidden;
}

.sponsor-banner-track {
    position: relative;
    height: 100%;
}

.sponsor-banner-slide {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 0 44px 0 12px;
    color: inherit;
    text-decoration: none;
    opacity: 0;
    visibility: hidden;
}

.sponsor-banner-slide.is-active {
    opacity: 1;
    visibility: visible;
}

/* Transicion aleatoria: sponsor-banner.js pone data-fx en el banner y las
   variables de abajo definen desde/hacia donde se mueve cada efecto. */
.sponsor-banner-slide.is-leaving {
    opacity: 0;
    visibility: visible;
    animation: sponsor-fx-out 0.7s ease both;
}

.sponsor-banner[data-fx] .sponsor-banner-slide.is-active {
    animation: sponsor-fx-in 0.7s ease both;
}

.sponsor-banner[data-fx="fade"]        { --fx-in: none; --fx-out: none; }
.sponsor-banner[data-fx="slide-left"]  { --fx-in: translateX(60%);  --fx-out: translateX(-60%); }
.sponsor-banner[data-fx="slide-right"] { --fx-in: translateX(-60%); --fx-out: translateX(60%); }
.sponsor-banner[data-fx="slide-up"]    { --fx-in: translateY(70%);  --fx-out: translateY(-70%); }
.sponsor-banner[data-fx="slide-down"]  { --fx-in: translateY(-70%); --fx-out: translateY(70%); }
.sponsor-banner[data-fx="zoom"]        { --fx-in: scale(0.7);       --fx-out: scale(1.25); }
.sponsor-banner[data-fx="flip"]        { --fx-in: perspective(400px) rotateX(-80deg); --fx-out: perspective(400px) rotateX(80deg); }
.sponsor-banner[data-fx="blur"]        { --fx-in: scale(1.06); --fx-out: scale(0.94); --fx-blur: blur(8px); }

@keyframes sponsor-fx-in {
    from { opacity: 0; transform: var(--fx-in, none); filter: var(--fx-blur, none); }
    to   { opacity: 1; transform: none; filter: none; }
}

@keyframes sponsor-fx-out {
    from { opacity: 1; transform: none; filter: none; }
    to   { opacity: 0; transform: var(--fx-out, none); filter: var(--fx-blur, none); }
}

.sponsor-banner-logo {
    flex: none;
    width: 64px;
    height: 64px;
    border-radius: 12px;
    object-fit: cover;
    background: #fff;
}

.sponsor-banner-copy {
    display: flex;
    flex-direction: column;
    min-width: 0;
    flex: 1;
    line-height: 1.15;
}

.sponsor-banner-tag {
    font-size: 0.76rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #7ec3ff;
}

.sponsor-banner-name,
.sponsor-banner-sub {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sponsor-banner-name {
    font-size: 1.25rem;
    font-weight: 400;
}

.sponsor-banner-sub {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.sponsor-banner-cta {
    flex: none;
    padding: 8px 14px;
    border: 2px solid #fff;
    border-radius: 2em;
    font-size: 0.85rem;
    transition: background-color 0.4s ease, color 0.4s ease;
}

.sponsor-banner-slide:hover .sponsor-banner-cta,
.sponsor-banner-slide:focus-visible .sponsor-banner-cta {
    background: #fff;
    color: #0b1a33;
}

/* Entrada escalonada del texto, como en el banner de ejemplo. */
.sponsor-banner-slide.is-active .sponsor-banner-copy > * {
    animation: sponsor-banner-rise 0.6s ease both;
}
.sponsor-banner-slide.is-active .sponsor-banner-name { animation-delay: 0.12s; }
.sponsor-banner-slide.is-active .sponsor-banner-sub { animation-delay: 0.24s; }

@keyframes sponsor-banner-rise {
    from { opacity: 0; transform: translateY(40%); }
    to { opacity: 1; transform: translateY(0); }
}

.sponsor-banner-close {
    position: absolute;
    top: 4px;
    right: 4px;
    display: grid;
    place-items: center;
    width: 28px;
    height: 28px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: transparent;
    color: rgba(255, 255, 255, 0.75);
    cursor: pointer;
}

.sponsor-banner-close:hover,
.sponsor-banner-close:focus-visible {
    background: rgba(255, 255, 255, 0.16);
    color: #fff;
}

.sponsor-banner-close svg {
    width: 16px;
    height: 16px;
}

@media (max-width: 768px) {
    .sponsor-banner {
        top: 76px;
        right: 12px;
        width: min(340px, calc(100vw - 24px));
        height: 72px;
    }

    .sponsor-banner-logo {
        width: 52px;
        height: 52px;
    }

    .sponsor-banner-cta {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .sponsor-banner[data-fx] .sponsor-banner-slide.is-active,
    .sponsor-banner-slide.is-leaving {
        animation: none;
    }
    .sponsor-banner-slide.is-leaving {
        visibility: hidden;
    }
    .sponsor-banner-slide.is-active .sponsor-banner-copy > * {
        animation: none;
    }
}