.site-footer {
    position: relative;
    overflow: hidden;
    background:
        linear-gradient(rgba(28, 49, 42, 0.94), rgba(28, 49, 42, 0.96)),
        radial-gradient(circle at 15% 20%, rgba(255, 209, 92, 0.08), transparent 18%),
        radial-gradient(circle at 78% 65%, rgba(255, 255, 255, 0.04), transparent 20%);
    color: #eef4ef;
    margin-top: 40px;
}

.footer-overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 30%),
        linear-gradient(0deg, rgba(255, 255, 255, 0.03), transparent 28%);
    pointer-events: none;
}

.footer-inner {
    position: relative;
    z-index: 1;
    max-width: 1320px;
    margin: 0 auto;
    padding: 82px 48px 44px;
    display: grid;
    grid-template-columns: 1.45fr 0.9fr 1fr 1fr;
    gap: 48px;
}

.footer-brand,
.footer-links-group,
.footer-contact {
    min-width: 0;
}

.footer-logo {
    display: inline-flex;
    align-items: baseline;
    gap: 4px;
    text-decoration: none;
    color: #ffffff;
    font-size: 46px;
    font-weight: 700;
    line-height: 1;
    letter-spacing: -1px;
    margin-bottom: 26px;
}

.footer-logo span {
    color: #ffd14f;
}

.footer-brand p {
    max-width: 360px;
    font-size: 18px;
    line-height: 1.9;
    color: rgba(238, 244, 239, 0.84);
    margin-bottom: 34px;
}

.footer-donate-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 28px;
    border-radius: 999px;
    background: #ffd14f;
    color: #1f332c;
    text-decoration: none;
    font-weight: 800;
    font-size: 16px;
    box-shadow: 0 10px 24px rgba(255, 209, 79, 0.2);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.footer-donate-btn:hover {
    transform: translateY(-2px);
    background: #ffcb38;
    box-shadow: 0 14px 28px rgba(255, 209, 79, 0.26);
}

.footer-links-group h3,
.footer-contact h3 {
    color: #ffffff;
    font-size: 26px;
    margin: 6px 0 28px;
    font-weight: 700;
}

.footer-links-group ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-links-group li + li {
    margin-top: 18px;
}

.footer-links-group a,
.footer-address,
.footer-contact-item {
    color: rgba(238, 244, 239, 0.78);
    text-decoration: none;
    font-size: 17px;
    line-height: 1.7;
    transition: color 0.2s ease, transform 0.2s ease;
}

.footer-links-group a:hover,
.footer-contact-item:hover {
    color: #ffd14f;
    transform: translateX(3px);
}

.footer-address {
    margin: 0 0 24px;
}

.footer-contact-item {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    font-weight: 600;
}

.footer-contact-item + .footer-contact-item {
    margin-top: 14px;
}

.footer-contact-item i {
    color: #ffd14f;
    font-size: 16px;
    width: 22px;
}

.footer-socials {
    display: flex;
    gap: 14px;
    margin-top: 34px;
}

.footer-socials a {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
    transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.footer-socials a:hover {
    background: #ffd14f;
    color: #1f332c;
    transform: translateY(-2px);
}

.footer-bottom {
    position: relative;
    z-index: 1;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 18px 24px 22px;
    text-align: center;
}

.footer-bottom p {
    margin: 0;
    color: rgba(238, 244, 239, 0.7);
    font-size: 14px;
    letter-spacing: 0.2px;
}

.footer-scroll-top {
    position: absolute;
    right: 28px;
    bottom: 36px;
    z-index: 2;
    width: 62px;
    height: 62px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #ffd14f;
    color: #1f332c;
    text-decoration: none;
    font-size: 22px;
    box-shadow: 0 16px 34px rgba(0, 0, 0, 0.18);
    transition: transform 0.2s ease, background 0.2s ease;
}

.footer-scroll-top:hover {
    transform: translateY(-3px);
    background: #ffcb38;
}

@media (max-width: 1100px) {
    .footer-inner {
        grid-template-columns: 1.2fr 1fr;
        gap: 34px 40px;
        padding: 64px 30px 40px;
    }

    .footer-brand p {
        max-width: none;
    }
}

@media (max-width: 700px) {
    .footer-inner {
        grid-template-columns: 1fr;
        padding: 54px 18px 32px;
        gap: 28px;
    }

    .footer-logo {
        font-size: 38px;
        margin-bottom: 18px;
    }

    .footer-brand p,
    .footer-links-group a,
    .footer-address,
    .footer-contact-item {
        font-size: 15px;
    }

    .footer-links-group h3,
    .footer-contact h3 {
        font-size: 22px;
        margin-bottom: 18px;
    }

    .footer-socials {
        margin-top: 24px;
    }

    .footer-scroll-top {
        right: 18px;
        bottom: 18px;
        width: 54px;
        height: 54px;
        font-size: 19px;
    }
}