.footer {
    position: relative;
    overflow: hidden;
    color: var(--kidello-text);
    background: var(--kidello-gradient-footer);
    border-top: 1px solid rgba(115, 103, 240, 0.12);
    isolation: isolate;
}

.footer::before,
.footer::after {
    position: absolute;
    z-index: -1;
    content: "";
    pointer-events: none;
    border-radius: 48% 52% 65% 35% / 38% 48% 52% 62%;
    opacity: 0.45;
}

.footer::before {
    top: -8rem;
    left: -6rem;
    width: 19rem;
    height: 19rem;
    background: var(--kidello-brand-light);
    animation: kidello-footer-blob 13s ease-in-out infinite;
}

.footer::after {
    right: -7rem;
    bottom: 2rem;
    width: 21rem;
    height: 21rem;
    background: var(--kidello-blue-light);
    animation: kidello-footer-blob 16s ease-in-out infinite reverse;
}

.footer-main {
    position: relative;
    padding-block: 4rem 3rem;
}

.footer-main::before {
    position: absolute;
    top: 1.4rem;
    left: 50%;
    width: min(38rem, 75%);
    height: 0.35rem;
    content: "";
    background:
        linear-gradient(
            90deg,
            transparent,
            var(--kidello-brand),
            var(--kidello-yellow),
            var(--kidello-mint),
            var(--kidello-secondary),
            transparent
        );
    border-radius: var(--kidello-radius-pill);
    opacity: 0.55;
    transform: translateX(-50%);
    animation: kidello-footer-line 6s ease-in-out infinite;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--kidello-space-10);
    align-items: start;
}

/* Marka */

.footer-brand {
    max-width: 29rem;
}

.footer-logo {
    position: relative;
    display: inline-flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 0.15rem 0;
    color: var(--kidello-text);
    text-decoration: none;
    transition:
        filter var(--kidello-transition),
        transform var(--kidello-transition);
}

.footer-logo::after {
    position: absolute;
    top: -0.3rem;
    right: -1.2rem;
    width: 0.75rem;
    height: 0.75rem;
    content: "";
    background: var(--kidello-yellow);
    border-radius: 50%;
    box-shadow:
        -0.85rem 0.65rem 0 -0.15rem var(--kidello-brand),
        0.35rem 1rem 0 -0.2rem var(--kidello-secondary);
    animation: kidello-sparkle 3.5s ease-in-out infinite;
}

.footer-logo:hover {
    filter: drop-shadow(0 8px 15px rgba(255, 102, 133, 0.2));
    transform: translateY(-3px) rotate(-1deg);
}

.footer-logo__name {
    display: inline-block; 
    padding-right: 2px;
    color: var(--kidello-brand);
    background: var(--kidello-gradient-candy);
    background-size: 200% auto;
    background-clip: text;
    -webkit-background-clip: text;
    font-size: 2.35rem;
    font-weight: var(--kidello-weight-black);
    letter-spacing: -0.075em;
    line-height: 0.95;
    -webkit-text-fill-color: transparent;
    animation: kidello-text-gradient 7s linear infinite;
}

.footer-logo__tagline {
    margin-top: 0.45rem;
    color: var(--kidello-secondary-dark);
    font-size: 0.78rem;
    font-weight: var(--kidello-weight-extrabold);
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.footer-description {
    display: block;
    max-width: 30rem;
    margin-top: var(--kidello-space-6);
    color: var(--kidello-text-soft);
    font-size: 0.98rem;
    line-height: 1.75;
}

/* Kolumny */

.footer-column {
    min-width: 0;
}

.footer-heading {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: var(--kidello-space-2);
    padding-bottom: 0.75rem;
    margin: 0 0 var(--kidello-space-5);
    color: var(--kidello-text);
    font-size: 1rem;
    font-weight: var(--kidello-weight-black);
    letter-spacing: -0.02em;
}

.footer-heading::before {
    width: 0.65rem;
    height: 0.65rem;
    content: "";
    background: var(--kidello-brand);
    border-radius: 45% 55% 60% 40%;
    box-shadow: 0 0 0 5px rgba(255, 102, 133, 0.1);
    transform: rotate(18deg);
}

.footer-column:nth-child(3) .footer-heading::before {
    background: var(--kidello-secondary);
    box-shadow: 0 0 0 5px rgba(115, 103, 240, 0.1);
}

.footer-column:nth-child(4) .footer-heading::before {
    background: var(--kidello-mint);
    box-shadow: 0 0 0 5px rgba(118, 215, 196, 0.13);
}

.footer-heading::after {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    height: 3px;
    content: "";
    background: linear-gradient(
        90deg,
        var(--kidello-brand),
        transparent
    );
    border-radius: var(--kidello-radius-pill);
}

.footer-links {
    display: grid;
    gap: 0.7rem;
    padding: 0;
    margin: 0;
    list-style: none;
}

.footer-links a {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0;
    color: var(--kidello-text-soft);
    font-size: 0.93rem;
    font-weight: var(--kidello-weight-semibold);
    text-decoration: none;
    transition:
        color var(--kidello-transition-fast),
        padding-left var(--kidello-transition),
        transform var(--kidello-transition);
}

.footer-links a::before {
    width: 0;
    height: 0.45rem;
    margin-right: 0;
    content: "";
    background: var(--kidello-brand);
    border-radius: 50%;
    opacity: 0;
    transform: scale(0);
    transition:
        width var(--kidello-transition),
        margin-right var(--kidello-transition),
        opacity var(--kidello-transition),
        transform var(--kidello-transition);
}

.footer-links a:hover {
    color: var(--kidello-brand-dark);
    padding-left: 0.15rem;
    transform: translateX(2px);
}

.footer-links a:hover::before {
    width: 0.45rem;
    margin-right: 0.55rem;
    opacity: 1;
    transform: scale(1);
}

/* Kontakt */

.footer-contact {
    position: relative;
    padding: var(--kidello-space-6);
    overflow: hidden;
    background: rgba(255, 255, 255, 0.68);
    border: 1px solid rgba(255, 255, 255, 0.95);
    border-radius: var(--kidello-radius-xl);
    box-shadow:
        var(--kidello-shadow-md),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition:
        border-color var(--kidello-transition),
        box-shadow var(--kidello-transition),
        transform var(--kidello-transition);
}

.footer-contact::before {
    position: absolute;
    top: -4rem;
    right: -4rem;
    width: 9rem;
    height: 9rem;
    content: "";
    background: var(--kidello-yellow-light);
    border-radius: 50%;
    transition: transform 700ms var(--kidello-ease-smooth);
}

.footer-contact::after {
    position: absolute;
    right: 1rem;
    bottom: 1rem;
    width: 0.7rem;
    height: 0.7rem;
    content: "";
    background: var(--kidello-brand);
    border-radius: 50%;
    box-shadow:
        -1.2rem 0.45rem 0 -0.15rem var(--kidello-secondary),
        -0.45rem -1rem 0 -0.2rem var(--kidello-mint);
    opacity: 0.55;
}

.footer-contact:hover {
    border-color: var(--kidello-border-brand);
    box-shadow:
        var(--kidello-shadow-lg),
        0 0 0 7px rgba(255, 102, 133, 0.055);
    transform: translateY(-6px) rotate(-0.5deg);
}

.footer-contact:hover::before {
    transform: scale(1.2) translate(-0.5rem, 0.5rem);
}

.footer-contact > * {
    position: relative;
    z-index: 1;
}

.footer-contact__text {
    display: block;
    margin-bottom: var(--kidello-space-5);
    color: var(--kidello-text-soft);
    font-size: 0.94rem;
    line-height: 1.65;
}

.footer-contact__address {
    display: block;
    max-width: 130px;
    opacity: 0.65;
    height: auto;
    object-fit: contain;
    transition:
        filter var(--kidello-transition),
        transform var(--kidello-transition);
}

.footer-contact:hover .footer-contact__address {
    filter: drop-shadow(0 7px 10px rgba(115, 103, 240, 0.14));
    transform: translateX(3px);
}

/* Dolny pasek */

.footer-bottom {
    position: relative;
    color: rgba(255, 255, 255, 0.82);
    background:
        linear-gradient(
            135deg,
            #332d4f 0%,
            #423866 52%,
            #332d4f 100%
        );
}

.footer-bottom::before {
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    height: 1px;
    content: "";
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.45),
        transparent
    );
}

.footer-bottom__inner {
    display: flex;
    min-height: 4.25rem;
    align-items: center;
    justify-content: center;
    padding-block: var(--kidello-space-4);
    text-align: center;
}

.footer-copyright {
    font-size: 0.8rem;
    font-weight: var(--kidello-weight-semibold);
    letter-spacing: 0.035em;
}

/* Tablet */

@media (min-width: 768px) {
    .footer-main {
        padding-block: 5rem 4rem;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--kidello-space-12) var(--kidello-space-8);
    }

    .footer-brand {
        grid-column: 1 / -1;
    }

    .footer-logo__name {
        font-size: 2.75rem;
    }

    .footer-contact {
        grid-column: 1 / -1;
        display: grid;
        grid-template-columns: minmax(12rem, 1fr) minmax(12rem, 1fr);
        align-items: center;
        column-gap: var(--kidello-space-8);
    }

    .footer-contact .footer-heading {
        grid-column: 1 / -1;
    }

    .footer-contact__text {
        margin-bottom: 0;
    }

    .footer-contact__address {
        justify-self: end;
    }
}

/* Desktop */

@media (min-width: 1024px) {
    .footer-main {
        padding-block: 6.5rem 5rem;
    }

    .footer-grid {
        grid-template-columns:
            minmax(17rem, 1.55fr)
            0.65fr
            0.9fr
            1.15fr;
        gap: clamp(2rem, 5vw, 4.5rem);
    }

    .footer-brand,
    .footer-contact {
        grid-column: auto;
    }

    .footer-logo__name {
        font-size: 3.15rem;
    }

    .footer-contact {
        display: block;
    }

    .footer-contact .footer-heading {
        grid-column: auto;
    }

    .footer-contact__text {
        margin-bottom: var(--kidello-space-5);
    }

    .footer-contact__address {
        justify-self: auto;
    }
}