.site-footer {
    position: relative;
    background: linear-gradient(165deg, #8fa2c0 0%, #6b7d99 40%, #546580 100%);
    overflow: hidden;
    z-index: 5;
    
    clip-path: polygon(0 4vw, 100% 0, 100% 100%, 0 100%);
    margin-top: -4vw;
    padding-top: 4vw;
}

.sf-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.sf-bg__grid {
    position: absolute;
    inset: 0;
    width: 100%; height: 100%;
}

.sf-bg__geo {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.10);
}
.sf-bg__geo--circle-1 {
    width: clamp(300px, 50vw, 700px);
    height: clamp(300px, 50vw, 700px);
    right: -8%;
    bottom: -20%;
    border-color: rgba(255,255,255,0.08);
    animation: sfCirclePulse 12s ease-in-out infinite alternate;
    animation-play-state: var(--anim-play, running);
}
.sf-bg__geo--circle-2 {
    width: clamp(180px, 28vw, 420px);
    height: clamp(180px, 28vw, 420px);
    right: 3%;
    bottom: -5%;
    border-color: rgba(255,255,255,0.14);
    animation: sfCirclePulse 8s ease-in-out 2s infinite alternate;
}
@keyframes sfCirclePulse {
    from { transform: scale(1) rotate(0deg); }
    to   { transform: scale(1.06) rotate(6deg); }
}

.sf-bg__geo--diag-1 {
    width: 1px;
    height: 140%;
    border-radius: 0;
    border: none;
    background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.12) 40%, transparent);
    right: 30%;
    top: -20%;
    transform: rotate(18deg);
}
.sf-bg__geo--diag-2 {
    width: 1px;
    height: 120%;
    border-radius: 0;
    border: none;
    background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.07) 50%, transparent);
    right: 55%;
    top: -10%;
    transform: rotate(-12deg);
}

.sf-bg__stripe {
    position: absolute;
    left: 0; right: 0;
    height: 1px;
    background: linear-gradient(to right, transparent 0%, rgba(255,255,255,0.15) 20%, rgba(255,255,255,0.20) 60%, transparent 100%);
}
.sf-bg__stripe--1 { top: 38%; }
.sf-bg__stripe--2 { top: 72%; }

.sf-wm {
    position: absolute;
    bottom: -0.1em;
    left: -0.05em;
    z-index: 0;
    pointer-events: none;
    user-select: none;
    display: flex;
    gap: 0.2em;
    line-height: 0.82;
    white-space: nowrap;
}
.sf-wm__word {
    font-family: 'HeroBold', 'Avenir Next World', sans-serif;
    font-size: clamp(5rem, 15vw, 14rem);
    font-weight: 900;
    letter-spacing: -0.02em;
    color: rgba(255,255,255,0.08);
}
.sf-wm__word--outline {
    color: transparent;
    -webkit-text-stroke: 1px rgba(255,255,255,0.10);
}

.sf-content {
    position: relative;
    z-index: 2;
    padding: 4rem 6vw 0;
    box-sizing: border-box;
}

.sf-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 3rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.sf-top__logo-link {
    text-decoration: none;
    display: inline-block;
    margin-bottom: 1rem;
}
.sf-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.sf-logo__name {
    font-family: 'HeroBold', 'Avenir Next World', sans-serif;
    font-size: clamp(1.4rem, 2.5vw, 2.2rem);
    font-weight: 900;
    letter-spacing: 0.12em;
    color: #fff;
    text-transform: uppercase;
}
.sf-logo__divider {
    display: block;
    width: 1px;
    height: 2em;
    background: rgba(255,255,255,0.35);
}
.sf-logo__sub {
    font-family: 'Avenir Next World', sans-serif;
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    color: rgba(255,255,255,0.65);
    text-transform: uppercase;
    line-height: 1.5;
}
.sf-logo__sub strong {
    display: block;
    font-weight: 700;
    color: rgba(255,255,255,0.85);
}

.sf-top__tagline {
    font-family: 'Avenir Next World', sans-serif;
    font-size: 0.75rem;
    line-height: 1.75;
    letter-spacing: 0.06em;
    color: rgba(255,255,255,0.55);
    margin: 0;
    text-transform: uppercase;
    max-width: 340px;
}

.sf-top__stat-row {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 1.5rem 2rem;
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.18);
    border-bottom-color: rgba(255,255,255,0.07);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.20), 0 8px 24px rgba(0,0,0,0.10);
    flex-shrink: 0;
}
.sf-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
}
.sf-stat__num {
    font-family: 'HeroBold', 'Avenir Next World', sans-serif;
    font-size: clamp(1.6rem, 3vw, 2.6rem);
    font-weight: 900;
    color: #fff;
    line-height: 1;
    letter-spacing: -0.02em;
}
.sf-stat__num sup {
    font-size: 0.55em;
    vertical-align: super;
    letter-spacing: 0;
}
.sf-stat__lbl {
    font-family: 'Avenir Next World', sans-serif;
    font-size: 0.58rem;
    letter-spacing: 0.16em;
    color: rgba(255,255,255,0.5);
    text-transform: uppercase;
    white-space: nowrap;
}
.sf-stat__sep {
    width: 1px;
    height: 2.5rem;
    background: rgba(255,255,255,0.2);
    flex-shrink: 0;
}

.sf-rule {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2.5rem;
}
.sf-rule__dot {
    width: 5px; height: 5px;
    border-radius: 50%;
    background: rgba(255,255,255,0.45);
    flex-shrink: 0;
}
.sf-rule__line {
    flex: 1;
    height: 1px;
    background: rgba(255,255,255,0.20);
}
.sf-rule__label {
    font-family: 'Avenir Next World', sans-serif;
    font-size: 0.58rem;
    letter-spacing: 0.28em;
    color: rgba(255,255,255,0.38);
    text-transform: uppercase;
    white-space: nowrap;
    flex-shrink: 0;
}

.sf-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: clamp(1.5rem, 3vw, 4rem);
    margin-bottom: 3rem;
}

.sf-col__title {
    display: flex;
    align-items: baseline;
    gap: 0.6rem;
    font-family: 'Avenir Next World', sans-serif;
    font-size: 0.65rem;
    font-weight: 400;
    letter-spacing: 0.22em;
    color: rgba(255,255,255,0.45);
    text-transform: uppercase;
    margin: 0 0 1.4rem;
    padding-bottom: 0.8rem;
    border-bottom: 1px solid rgba(255,255,255,0.15);
    position: relative;
}
.sf-col__title::after {
    content: '';
    position: absolute;
    bottom: -1px; left: 0;
    width: 2rem;
    height: 2px;
    background: rgba(255,255,255,0.55);
    border-radius: 1px;
}
.sf-col__title-num {
    font-family: 'HeroBold', 'Avenir Next World', sans-serif;
    font-size: 0.58rem;
    color: rgba(255,255,255,0.22);
    letter-spacing: 0;
}

.sf-nav {
    list-style: none;
    margin: 0; padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}
.sf-nav li a {
    font-family: 'Avenir Next World', sans-serif;
    font-size: 0.78rem;
    letter-spacing: 0.05em;
    color: rgba(255,255,255,0.65);
    text-decoration: none;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.25s ease, gap 0.25s ease;
    position: relative;
}
.sf-nav li a::before {
    content: '';
    display: inline-block;
    width: 1rem;
    height: 1px;
    background: rgba(255,255,255,0.35);
    flex-shrink: 0;
    transition: width 0.3s cubic-bezier(0.16,1,0.3,1), background 0.25s ease;
}
.sf-nav li a:hover {
    color: #fff;
    gap: 0.8rem;
}
.sf-nav li a:hover::before {
    width: 1.6rem;
    background: rgba(255,255,255,0.8);
}

.sf-contacts {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    margin-bottom: 1.6rem;
}
.sf-contacts__item {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    font-family: 'Avenir Next World', sans-serif;
    font-size: 0.78rem;
    letter-spacing: 0.04em;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    line-height: 1.5;
    transition: color 0.25s ease;
}
.sf-contacts__item:hover { color: #fff; }
.sf-contacts__icon {
    width: 22px; height: 22px;
    display: flex; align-items: center; justify-content: center;
    border: 1px solid rgba(255,255,255,0.22);
    border-radius: 3px;
    flex-shrink: 0;
    color: rgba(255,255,255,0.55);
    margin-top: 0.1rem;
    transition: border-color 0.25s, color 0.25s;
}
.sf-contacts__item:hover .sf-contacts__icon {
    border-color: rgba(255,255,255,0.5);
    color: #fff;
}

.sf-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.30);
    color: #fff;
    text-decoration: none;
    font-family: 'Avenir Next World', sans-serif;
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    padding: 0.8rem 1.4rem;
    transition: background 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
    position: relative;
    overflow: hidden;
}
.sf-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(105deg, transparent 30%, rgba(255,255,255,0.12) 50%, transparent 70%);
    opacity: 0;
    transform: translateX(-100%);
    transition: none;
}
.sf-cta:hover {
    background: rgba(255,255,255,0.22);
    border-color: rgba(255,255,255,0.55);
    transform: translateX(3px);
}
.sf-cta:hover::before {
    animation: sfCtaShine 0.55s ease forwards;
}
@keyframes sfCtaShine {
    to { opacity: 0; transform: translateX(100%); }
    20% { opacity: 1; }
}
.sf-cta__arrow {
    font-size: 1.1em;
    transition: transform 0.3s cubic-bezier(0.34,1.4,0.64,1);
}
.sf-cta:hover .sf-cta__arrow { transform: translateX(4px); }

.sf-socials {
    display: flex;
    gap: 0.6rem;
    margin-bottom: 1.8rem;
    flex-wrap: wrap;
}
.sf-social {
    width: 44px; height: 44px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(255,255,255,0.10);
    border: 1px solid rgba(255,255,255,0.20);
    color: rgba(255,255,255,0.65);
    text-decoration: none;
    transition: background 0.3s, border-color 0.3s, color 0.3s, transform 0.3s cubic-bezier(0.34,1.3,0.64,1);
    position: relative;
    overflow: hidden;
}
.sf-social:hover {
    background: rgba(255,255,255,0.22);
    border-color: rgba(255,255,255,0.55);
    color: #fff;
    transform: translateY(-3px) scale(1.06);
}
.sf-social svg {
    width: 16px; height: 16px;
    position: relative; z-index: 1;
    fill: currentColor;
}
.sf-social__label,
.sf-social__abbr {
    font-family: 'HeroBold', 'Avenir Next World', sans-serif;
    font-size: 0.6rem;
    letter-spacing: 0.08em;
    font-weight: 700;
}
.sf-social--placeholder {
    
    opacity: 0.6;
}

.sf-badge {
    border: 1px solid rgba(255,255,255,0.20);
    padding: 0.8rem 1rem;
    background: rgba(255,255,255,0.06);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.sf-badge__inner {
    display: flex;
    align-items: center;
    gap: 0.7rem;
}
.sf-badge__icon {
    font-size: 1.4rem;
    color: rgba(255,255,255,0.50);
    line-height: 1;
    flex-shrink: 0;
}
.sf-badge__text {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}
.sf-badge__text strong {
    font-family: 'HeroBold', 'Avenir Next World', sans-serif;
    font-size: 0.72rem;
    letter-spacing: 0.10em;
    color: rgba(255,255,255,0.85);
    text-transform: uppercase;
}
.sf-badge__text span {
    font-family: 'Avenir Next World', sans-serif;
    font-size: 0.58rem;
    letter-spacing: 0.10em;
    color: rgba(255,255,255,0.40);
    text-transform: uppercase;
}

.sf-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.4rem 0 1.8rem;
    border-top: 1px solid rgba(255,255,255,0.15);
    gap: 1rem;
    flex-wrap: wrap;
}
.sf-bottom__left {
    display: flex;
    align-items: center;
    gap: 0.7rem;
}
.sf-bottom__copy,
.sf-bottom__rights {
    font-family: 'Avenir Next World', sans-serif;
    font-size: 0.65rem;
    letter-spacing: 0.10em;
    color: rgba(255,255,255,0.40);
    text-transform: uppercase;
}
.sf-bottom__copy { color: rgba(255,255,255,0.55); }
.sf-bottom__sep  { color: rgba(255,255,255,0.25); }

.sf-bottom__center {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}
.sf-bottom__coord {
    font-family: 'Avenir Next World', sans-serif;
    font-size: 0.58rem;
    letter-spacing: 0.22em;
    color: rgba(255,255,255,0.20);
    text-transform: uppercase;
    white-space: nowrap;
}

.sf-bottom__right {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}
.sf-bottom__link {
    font-family: 'Avenir Next World', sans-serif;
    font-size: 0.62rem;
    letter-spacing: 0.10em;
    color: rgba(255,255,255,0.38);
    text-decoration: none;
    text-transform: uppercase;
    transition: color 0.25s ease;
}
.sf-bottom__link:hover { color: rgba(255,255,255,0.75); }

.sf-scroll-top {
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(255,255,255,0.10);
    border: 1px solid rgba(255,255,255,0.25);
    color: rgba(255,255,255,0.65);
    cursor: pointer;
    transition: background 0.3s, color 0.3s, transform 0.35s cubic-bezier(0.34,1.4,0.64,1);
}
.sf-scroll-top:hover {
    background: rgba(255,255,255,0.22);
    color: #fff;
    transform: translateY(-4px) scale(1.08);
}

@media (max-width: 72rem) {
    .sf-grid { grid-template-columns: 1fr 1fr; gap: 2.5rem 3rem; }
    .sf-top { flex-direction: column; gap: 2rem; }
    .sf-top__stat-row { width: 100%; justify-content: center; }
}
@media (max-width: 48rem) {
    .sf-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
    .sf-wm__word { font-size: clamp(3.5rem, 18vw, 7rem); }
    .sf-bottom__center { display: none; }
    .sf-content { padding: 3rem 5vw 0; }
}
@media (max-width: 36rem) {
    .sf-grid { grid-template-columns: 1fr; }
    .site-footer { clip-path: polygon(0 6vw, 100% 0, 100% 100%, 0 100%); margin-top: -6vw; padding-top: 6vw; }
    .sf-bottom { flex-direction: column; align-items: flex-start; position: relative; }
    .sf-bottom__right { justify-content: flex-start; }
    .sf-top__stat-row { flex-wrap: wrap; justify-content: flex-start; gap: 1.5rem; }
}