/* ========================================
   Global footer
======================================== */

.site-footer {
    position: relative;
    overflow: hidden;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    background:
        radial-gradient(
            circle at 94% 8%,
            rgba(183, 206, 177, 0.09),
            transparent 27%
        ),
        #23452e;
    color: var(--color-white);
}

/* Organic background decoration */

.site-footer::before {
    position: absolute;
    right: -15rem;
    bottom: -23rem;
    width: 43rem;
    aspect-ratio: 1;
    border: 1px solid rgba(255, 255, 255, 0.045);
    border-radius: 50%;
    content: "";
    pointer-events: none;
}

.site-footer::after {
    position: absolute;
    top: -18rem;
    right: -12rem;
    width: 36rem;
    aspect-ratio: 1;
    border-radius: 44% 56% 61% 39% / 48% 42% 58% 52%;
    background: rgba(255, 255, 255, 0.025);
    content: "";
    pointer-events: none;
    transform: rotate(-20deg);
}

/* ========================================
   Main footer layout
======================================== */

.site-footer__main {
    position: relative;
    z-index: 1;
    display: grid;
    padding-block:
        clamp(4rem, 7vw, 6rem)
        clamp(3.25rem, 6vw, 4.75rem);
    grid-template-columns:
        minmax(17rem, 1.35fr)
        minmax(9rem, 0.65fr)
        minmax(10rem, 0.75fr)
        minmax(16rem, 1fr);
    gap: clamp(2rem, 4vw, 4rem);
}

/* Add subtle divisions between columns */

.site-footer__column {
    padding-left: clamp(1.5rem, 2.5vw, 2.5rem);
    border-left: 1px solid rgba(255, 255, 255, 0.1);
}

/* ========================================
   Brand column
======================================== */

.site-footer__brand {
    max-width: 430px;
    padding-right: clamp(0rem, 2vw, 1.5rem);
}

.site-footer__logo {
    display: inline-flex;
    align-items: center;
    margin-bottom: 1.7rem;
    padding: 0.85rem 1.1rem;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: var(--radius-medium);
    background: var(--color-cream);
    box-shadow:
        0 0.75rem 2rem rgba(0, 0, 0, 0.14),
        inset 0 1px 0 rgba(255, 255, 255, 0.75);
}

.site-footer__logo .custom-logo-link {
    display: inline-flex;
}

.site-footer__logo .custom-logo {
    width: auto;
    max-width: 185px;
    max-height: 62px;
}

.site-footer__wordmark {
    color: var(--color-green);
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.045em;
    line-height: 1;
    text-decoration: none;
}

.site-footer__introduction {
    max-width: 400px;
    margin-bottom: 1.5rem;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.92rem;
    line-height: 1.78;
}

/* Main contact link */

.site-footer__contact-link {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    padding-bottom: 0.25rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.24);
    color: var(--color-white);
    font-size: 0.82rem;
    font-weight: 800;
    text-decoration: none;
    transition:
        border-color var(--transition-fast),
        color var(--transition-fast);
}

.site-footer__contact-link span {
    transition: transform var(--transition-fast);
}

.site-footer__contact-link:hover {
    border-color: var(--color-white);
}

.site-footer__contact-link:hover span {
    transform: translateX(4px);
}

/* ========================================
   Column headings
======================================== */

.site-footer__title {
    margin-bottom: 1.4rem;
    color: rgba(255, 255, 255, 0.55);
    font-family: var(--font-body);
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    line-height: 1.3;
    text-transform: uppercase;
}

/* ========================================
   Footer navigation
======================================== */

.footer-navigation,
.site-footer__links {
    display: flex;
    margin: 0;
    padding: 0;
    flex-direction: column;
    gap: 0.82rem;
    list-style: none;
}

.footer-navigation li,
.site-footer__links li {
    margin: 0;
}

.footer-navigation a,
.site-footer__links a {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.76);
    font-size: 0.86rem;
    font-weight: 650;
    line-height: 1.45;
    text-decoration: none;
    transition:
        color var(--transition-fast),
        transform var(--transition-fast);
}

.footer-navigation a::before,
.site-footer__links a::before {
    width: 0;
    height: 1px;
    background: var(--color-green-light);
    content: "";
    transition: width var(--transition-fast);
}

.footer-navigation a:hover,
.site-footer__links a:hover {
    color: var(--color-white);
    transform: translateX(3px);
}

.footer-navigation a:hover::before,
.site-footer__links a:hover::before {
    width: 0.8rem;
}

/* ========================================
   Updates column
======================================== */

.site-footer__updates > p {
    max-width: 315px;
    margin-bottom: 1.4rem;
    color: rgba(255, 255, 255, 0.68);
    font-size: 0.88rem;
    line-height: 1.72;
}

.site-footer__button {
    display: inline-flex;
    min-height: 3.1rem;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.85rem 1.2rem;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--radius-pill);
    background: var(--color-cream);
    box-shadow: 0 0.6rem 1.7rem rgba(0, 0, 0, 0.12);
    color: var(--color-green-dark);
    font-size: 0.8rem;
    font-weight: 800;
    line-height: 1;
    text-decoration: none;
    transition:
        background-color var(--transition-fast),
        box-shadow var(--transition-fast),
        transform var(--transition-fast);
}

.site-footer__button span {
    transition: transform var(--transition-fast);
}

.site-footer__button:hover {
    background: var(--color-white);
    box-shadow: 0 0.9rem 2rem rgba(0, 0, 0, 0.2);
    transform: translateY(-2px);
}

.site-footer__button:hover span {
    transform: translateX(3px);
}

/* ========================================
   Social media
======================================== */

.site-footer__socials {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: 1.5rem;
}

.site-footer__social-link {
    display: inline-flex;
    width: 2.75rem;
    height: 2.75rem;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.055);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
    color: var(--color-white);
    transition:
        background-color var(--transition-fast),
        border-color var(--transition-fast),
        box-shadow var(--transition-fast),
        transform var(--transition-fast);
}

.site-footer__social-link:hover {
    border-color: rgba(255, 255, 255, 0.34);
    background: rgba(255, 255, 255, 0.12);
    box-shadow: 0 0.55rem 1.4rem rgba(0, 0, 0, 0.15);
    transform: translateY(-3px);
}

.site-footer__social-link svg {
    width: 1.15rem;
    height: 1.15rem;
    fill: currentColor;
}

.site-footer__social-link svg rect,
.site-footer__social-link svg circle {
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
}

.site-footer__youtube-play {
    fill: #23452e;
}

/* ========================================
   Bottom bar
======================================== */

.site-footer__bottom {
    position: relative;
    z-index: 1;
    display: flex;
    min-height: 76px;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding-block: 1.25rem;
    border-top: 1px solid rgba(255, 255, 255, 0.11);
}

.site-footer__bottom p {
    margin-bottom: 0;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.72rem;
}

.site-footer__bottom-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 0.65rem 1.25rem;
}

.site-footer__bottom-links span,
.site-footer__bottom-links a {
    color: rgba(255, 255, 255, 0.52);
    font-size: 0.72rem;
}

.site-footer__bottom-links a {
    text-decoration: none;
    transition: color var(--transition-fast);
}

.site-footer__bottom-links a:hover {
    color: var(--color-white);
}

/* Back-to-top link */

.site-footer__back-to-top {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
}

.site-footer__back-to-top span {
    display: inline-flex;
    width: 1.75rem;
    height: 1.75rem;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 50%;
    transition:
        background-color var(--transition-fast),
        transform var(--transition-fast);
}

.site-footer__back-to-top:hover span {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
}