:root {
    --ice-strong: #34bfff;
    --winter-nav-height: 74px;
}

body {
    overflow-x: hidden;
    background:
        radial-gradient(circle at 14% 3%, rgba(46,139,255,.2), transparent 28%),
        radial-gradient(circle at 90% 17%, rgba(135,105,255,.16), transparent 30%),
        linear-gradient(180deg,#050b17 0%,#040915 48%,#02050c 100%);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
    outline: 3px solid rgba(119,220,255,.45);
    outline-offset: 3px;
}

.winter-skip {
    position: fixed;
    left: 12px;
    top: 10px;
    z-index: 100000;
    padding: 11px 15px;
    border-radius: 10px;
    color: #06101d;
    background: white;
    transform: translateY(-160%);
    transition: transform .2s;
}

.winter-skip:focus { transform: translateY(0); }

.snowfall {
    position: fixed;
    inset: 0;
    z-index: 35;
    overflow: hidden;
    pointer-events: none;
}

.snowfall span {
    position: absolute;
    top: -12vh;
    left: var(--left);
    color: rgba(226,249,255,var(--opacity));
    font-size: var(--size);
    filter: drop-shadow(0 0 7px rgba(112,211,255,.55));
    animation: winterSnowFall var(--duration) linear var(--delay) infinite;
    will-change: transform;
}

@keyframes winterSnowFall {
    0% { transform: translate3d(0,-12vh,0) rotate(0); }
    48% { transform: translate3d(var(--drift),52vh,0) rotate(190deg); }
    100% { transform: translate3d(var(--drift-end),114vh,0) rotate(390deg); }
}

@keyframes winterSpin { to { transform: rotate(360deg); } }
@keyframes winterPulse { 50% { transform: scale(.72); opacity: .62; } }
@keyframes winterAurora {
    from { transform: translate3d(-2%,-3%,0) rotate(-9deg) scale(1); }
    to { transform: translate3d(6%,5%,0) rotate(-3deg) scale(1.12); }
}

.top-strip {
    position: relative;
    z-index: 52;
    background: linear-gradient(90deg,#c7f5ff,#72d7ff 42%,#a7a8ff);
}

.top-strip i { animation: winterSpin 8s linear infinite; }

.nav {
    min-height: var(--winter-nav-height);
    background: rgba(2,7,15,.8);
    box-shadow: 0 12px 40px rgba(0,0,0,.18);
}

.winter-language {
    flex: 0 0 auto;
    display: inline-flex;
    padding: 3px;
    border: 1px solid rgba(255,255,255,.1);
    border-radius: 10px;
    background: rgba(255,255,255,.035);
}

.winter-language button {
    min-width: 34px;
    min-height: 30px;
    padding: 0 7px;
    border: 0;
    border-radius: 7px;
    color: #71849c;
    background: transparent;
    font-size: .64rem;
    font-weight: 900;
    cursor: pointer;
    transition: color .2s, background .2s, box-shadow .2s;
}

.winter-language button:hover { color: #dff8ff; }

.winter-language button.active {
    color: #05101c;
    background: linear-gradient(135deg,var(--frost),var(--ice));
    box-shadow: 0 5px 15px rgba(66,174,255,.22);
}

.hero {
    isolation: isolate;
    min-height: 720px;
    max-width: 1480px;
    padding-top: clamp(75px,9vw,130px);
    padding-bottom: 110px;
}

.hero > div:not(.winter-aurora):not(.winter-mountains),
.winter-board {
    position: relative;
    z-index: 2;
}

.winter-aurora {
    position: absolute;
    inset: 0;
    z-index: -3;
    overflow: hidden;
    pointer-events: none;
}

.winter-aurora span {
    position: absolute;
    width: 65%;
    height: 260px;
    border-radius: 50%;
    filter: blur(70px);
    opacity: .2;
    transform: rotate(-9deg);
    animation: winterAurora 12s ease-in-out infinite alternate;
}

.winter-aurora span:nth-child(1) {
    left: -14%;
    top: 12%;
    background: linear-gradient(90deg,transparent,#26c8ff,#69ffe2,transparent);
}

.winter-aurora span:nth-child(2) {
    right: -18%;
    top: 2%;
    background: linear-gradient(90deg,transparent,#715bff,#52b9ff,transparent);
    animation-delay: -5s;
    animation-duration: 15s;
}

.winter-aurora span:nth-child(3) {
    left: 24%;
    top: 30%;
    width: 48%;
    height: 150px;
    background: #5f79ff;
    opacity: .09;
    animation-delay: -2s;
}

.winter-mountains {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -2;
    height: 190px;
    pointer-events: none;
    opacity: .5;
}

.winter-mountains::before,
.winter-mountains::after {
    content: "";
    position: absolute;
    inset: 0;
}

.winter-mountains::before {
    background: linear-gradient(180deg,rgba(71,133,205,.06),rgba(16,39,70,.45));
    clip-path: polygon(0 77%,8% 47%,15% 67%,26% 22%,37% 69%,47% 38%,60% 72%,71% 31%,82% 64%,91% 43%,100% 70%,100% 100%,0 100%);
}

.winter-mountains::after {
    background: linear-gradient(180deg,rgba(144,220,255,.08),rgba(5,17,34,.8));
    clip-path: polygon(0 82%,13% 60%,23% 79%,36% 52%,49% 83%,62% 58%,74% 78%,87% 55%,100% 80%,100% 100%,0 100%);
}

.kicker {
    box-shadow: inset 0 1px rgba(255,255,255,.05);
}

.winter-live-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--mint);
    box-shadow: 0 0 0 5px rgba(159,247,232,.09),0 0 16px var(--mint);
    animation: winterPulse 2.4s ease-in-out infinite;
}

.hero h1 {
    text-shadow: 0 12px 50px rgba(0,0,0,.22);
}

.hero-actions .btn { transition: transform .2s, border-color .2s, background .2s, box-shadow .2s; }

.hero-actions .btn:hover {
    transform: translateY(-2px);
    border-color: rgba(119,220,255,.35);
    background: rgba(119,220,255,.08);
}

.hero-actions .btn.primary:hover {
    background: linear-gradient(135deg,var(--frost),var(--ice) 46%,#a0a7ff);
    box-shadow: 0 18px 43px rgba(74,160,255,.34);
}

.winter-proof {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 22px;
    color: #71869d;
    font-size: .7rem;
    font-weight: 750;
}

.winter-proof > span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

.winter-proof i { color: var(--mint); }

.winter-board {
    min-height: 440px;
    background:
        linear-gradient(145deg,rgba(167,231,255,.14),rgba(83,99,183,.055) 48%,rgba(7,16,30,.94)),
        var(--panel-strong);
    box-shadow: 0 32px 100px rgba(0,0,0,.5),inset 0 1px rgba(255,255,255,.09);
}

.winter-board::after { content: none; }

.winter-board::before {
    content: "";
    position: absolute;
    width: 240px;
    height: 240px;
    right: -95px;
    top: -80px;
    border: 1px solid rgba(150,225,255,.16);
    border-radius: 50%;
    box-shadow: 0 0 0 28px rgba(137,211,255,.025),0 0 0 62px rgba(137,211,255,.018);
}

.winter-board-top {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.frost-seal {
    position: relative;
    width: 58px;
    height: 58px;
    flex: 0 0 auto;
    display: grid;
    place-items: center;
    border: 1px solid rgba(163,231,255,.25);
    border-radius: 50%;
    color: #dff8ff;
    background: rgba(116,215,255,.08);
    box-shadow: inset 0 0 24px rgba(80,180,255,.08),0 0 28px rgba(80,180,255,.1);
}

.frost-seal::after {
    content: "";
    position: absolute;
    inset: -5px;
    border: 1px dashed rgba(159,247,232,.2);
    border-radius: 50%;
    animation: winterSpin 18s linear infinite;
}

.winter-board h2 {
    max-width: 410px;
    letter-spacing: -.045em;
}

.winter-path-wrap {
    position: relative;
    z-index: 3;
    max-width: 1440px;
    margin: -28px auto 88px;
    padding: 0 clamp(18px,5vw,76px);
}

.winter-path {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 22px;
    background: rgba(6,14,27,.82);
    box-shadow: 0 24px 70px rgba(0,0,0,.28);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
}

.winter-path article {
    min-height: 125px;
    display: grid;
    grid-template-columns: 48px 1fr;
    gap: 15px;
    align-items: center;
    padding: 25px;
}

.winter-path article + article { border-left: 1px solid var(--line); }

.winter-path b {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(119,220,255,.22);
    border-radius: 14px;
    color: var(--ice);
    background: rgba(119,220,255,.06);
    font-family: Poppins,sans-serif;
}

.winter-path strong {
    display: block;
    color: #edf9ff;
    font-size: .86rem;
}

.winter-path p {
    margin: 5px 0 0;
    color: #7f93a9;
    font-size: .73rem;
    line-height: 1.48;
}

.catalog {
    box-shadow: 0 34px 110px rgba(0,0,0,.46);
}

.catalog-head {
    background: radial-gradient(circle at 10% 0,rgba(73,153,255,.1),transparent 36%);
}

.winter-section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    margin-bottom: 10px;
    color: var(--ice);
    font-size: .67rem;
    font-weight: 900;
    letter-spacing: .13em;
    text-transform: uppercase;
}

.catalog-head-side {
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
}

.winter-result-count {
    min-height: 30px;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 0 11px;
    border: 1px solid rgba(159,247,232,.16);
    border-radius: 999px;
    color: #bffbf0;
    background: rgba(159,247,232,.045);
    font-size: .68rem;
    font-weight: 850;
}

.winter-quick-categories {
    display: flex;
    align-items: center;
    gap: 8px;
    overflow-x: auto;
    padding: 15px clamp(18px,4vw,42px);
    border-bottom: 1px solid var(--line);
    scrollbar-width: thin;
}

.winter-quick-categories::before {
    content: attr(data-label);
    flex: 0 0 auto;
    margin-right: 5px;
    color: #667b92;
    font-size: .65rem;
    font-weight: 900;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.winter-quick-categories button {
    flex: 0 0 auto;
    min-height: 35px;
    padding: 0 13px;
    border: 1px solid rgba(255,255,255,.095);
    border-radius: 999px;
    color: #91a6bc;
    background: rgba(255,255,255,.025);
    font-size: .69rem;
    font-weight: 800;
    cursor: pointer;
    transition: .2s;
}

.winter-quick-categories button:hover,
.winter-quick-categories button.active {
    color: #07101c;
    border-color: transparent;
    background: linear-gradient(135deg,#e5fbff,#77dcff);
}

.filters {
    position: sticky;
    top: var(--winter-nav-height);
    z-index: 30;
    background: rgba(4,12,23,.94);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
}

.winter-search-field { position: relative; }

.winter-search-field > i {
    position: absolute;
    left: 14px;
    top: 50%;
    z-index: 2;
    color: #6d8197;
    transform: translateY(-50%);
    pointer-events: none;
}

.filters .winter-search-field input { padding-left: 40px; }

.card {
    box-shadow: 0 10px 30px rgba(0,0,0,.14);
}

.card::after {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    z-index: 2;
    height: 34%;
    background: linear-gradient(180deg,rgba(1,7,15,.16),transparent);
    pointer-events: none;
}

.card-img { transition: transform .45s ease; }
.card:hover .card-img { transform: scale(1.045); }

.meta strong {
    padding: 5px 8px;
    border-radius: 8px;
    background: rgba(119,220,255,.07);
}

.card-actions a,
.card-actions button { transition: border-color .2s,background .2s,transform .2s; }

.card-actions a:hover,
.card-actions button:hover {
    border-color: rgba(119,220,255,.32);
    background: rgba(119,220,255,.08);
}

@media (max-width: 1120px) {
    .hero { padding-bottom: 125px; }
    .filters .winter-search-field,
    .filters .winter-filter-submit { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
    .winter-path { grid-template-columns: 1fr; }
    .winter-path article + article { border-top: 1px solid var(--line); border-left: 0; }
}

@media (max-width: 760px) {
    :root { --winter-nav-height: 64px; }
    .nav { padding: 0 14px; }
    .logo { font-size: 1.08rem; }
    .nav-links { margin-left: auto; }
    .nav-links .nav-cta { display: none; }
    .nav-links a.active { font-size: 0; }
    .nav-links a.active i { font-size: .9rem; }
    .winter-language { padding: 2px; }
    .winter-language button { min-width: 29px; padding: 0 5px; }
    .hero { padding-top: 70px; padding-bottom: 115px; }
    .hero-actions { display: grid; grid-template-columns: 1fr; }
    .hero-actions .btn { width: 100%; }
    .winter-path-wrap { margin-top: -38px; margin-bottom: 62px; }
    .catalog-head-side { width: 100%; align-items: flex-start; }
    .filters { position: static; }
    .filters .winter-search-field,
    .filters .winter-filter-submit { grid-column: auto; }
}

@media (max-width: 470px) {
    .top-strip { font-size: .57rem; letter-spacing: .07em; }
    .winter-board { padding: 24px 18px; border-radius: 23px; }
    .winter-quick-categories::before { display: none; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .snowfall { display: none; }
    *,*::before,*::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }
}