:root {

    --ink:        #f3f8fc;
    --ink-raise:  #ffffff;
    --ink-line:   #dce6ef;
    --ink-line-2: #c2d2e1;

    --bone:       #1c2b38;
    --bone-dim:   #5a6b7a;
    --bone-faint: #9aaab8;

    --frost:      #4ea8d8;
    --frost-deep: #2f87b8;
    --frost-soft: #d4ecf7;
    --frost-glow: rgba(78, 168, 216, 0.18);

    --rose:       #ec7fa9;
    --rose-deep:  #d65f8e;
    --rose-soft:  #fbe0eb;
    --rose-glow:  rgba(236, 127, 169, 0.18);

    --t-chat:   #4fb286;
    --t-game:   #7c80e0;
    --t-song:   #e0a94f;
    --t-collab: #ec7fa9;

    --surface-blur:   rgba(255, 255, 255, 0.78);
    --surface-blur-2: rgba(255, 255, 255, 0.92);
    --scrim:          rgba(28, 43, 56, 0.4);
    --scrim-soft:     rgba(28, 43, 56, 0.32);
    --rule-tint:      rgba(28, 43, 56, 0.04);
    --shadow-rgb:     28, 43, 56;

    --grain-blend:   multiply;
    --grain-opacity: 0.5;

    --f-display: 'Anton', 'Anton Fallback', 'Noto Sans KR', 'KR Fallback', sans-serif;
    --f-mono:    'JetBrains Mono', Menlo, Consolas, 'Noto Sans KR', 'KR Fallback', monospace;
    --f-kr:      'Noto Sans KR', 'KR Fallback', sans-serif;

    --shell:    1320px;
    --gutter:   clamp(20px, 4vw, 56px);
    --head-h:   76px;

    --safe-top:   env(safe-area-inset-top, 0px);
    --head-total: calc(var(--head-h) + var(--safe-top));
    --ease:     cubic-bezier(0.16, 1, 0.3, 1);
    --t-fast:   0.32s var(--ease);
    --t-slow:   0.7s var(--ease);

    --cursor-1x: url("/resources/images/cursors/cursor-snow-32.png");
    --cursor-2x: url("/resources/images/cursors/cursor-snow-64.png");

    color-scheme: light;
}

:root[data-theme="dark"] {

    --ink:        #0e161d;
    --ink-raise:  #16222c;
    --ink-line:   #24333f;
    --ink-line-2: #35485a;

    --bone:       #e6eef5;
    --bone-dim:   #9fb2c2;
    --bone-faint: #7d90a0;

    --frost:      #5cb8e8;
    --frost-deep: #8ed3f5;
    --frost-soft: #12303f;
    --frost-glow: rgba(92, 184, 232, 0.22);

    --rose:       #f08fb6;
    --rose-deep:  #f7b1cd;
    --rose-soft:  #35202b;
    --rose-glow:  rgba(240, 143, 182, 0.2);

    --t-chat:   #63c79b;
    --t-game:   #9599ea;
    --t-song:   #edbc6a;
    --t-collab: #f08fb6;

    --surface-blur:   rgba(14, 22, 29, 0.8);
    --surface-blur-2: rgba(22, 34, 44, 0.94);
    --scrim:          rgba(0, 0, 0, 0.62);
    --scrim-soft:     rgba(0, 0, 0, 0.5);
    --rule-tint:      rgba(230, 238, 245, 0.05);
    --shadow-rgb:     0, 0, 0;

    --grain-blend:   screen;
    --grain-opacity: 0.07;

    --cursor-1x: url("/resources/images/cursors/cursor-snow-dark-32.png");
    --cursor-2x: url("/resources/images/cursors/cursor-snow-dark-64.png");

    color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --ink:        #0e161d;
        --ink-raise:  #16222c;
        --ink-line:   #24333f;
        --ink-line-2: #35485a;

        --bone:       #e6eef5;
        --bone-dim:   #9fb2c2;
        --bone-faint: #7d90a0;

        --frost:      #5cb8e8;
        --frost-deep: #8ed3f5;
        --frost-soft: #12303f;
        --frost-glow: rgba(92, 184, 232, 0.22);

        --rose:       #f08fb6;
        --rose-deep:  #f7b1cd;
        --rose-soft:  #35202b;
        --rose-glow:  rgba(240, 143, 182, 0.2);

        --t-chat:   #63c79b;
        --t-game:   #9599ea;
        --t-song:   #edbc6a;
        --t-collab: #f08fb6;

        --surface-blur:   rgba(14, 22, 29, 0.8);
        --surface-blur-2: rgba(22, 34, 44, 0.94);
        --scrim:          rgba(0, 0, 0, 0.62);
        --scrim-soft:     rgba(0, 0, 0, 0.5);
        --rule-tint:      rgba(230, 238, 245, 0.05);
        --shadow-rgb:     0, 0, 0;

        --grain-blend:   screen;
        --grain-opacity: 0.07;

        --cursor-1x: url("/resources/images/cursors/cursor-snow-dark-32.png");
        --cursor-2x: url("/resources/images/cursors/cursor-snow-dark-64.png");

        color-scheme: dark;
    }
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html {
    background: var(--ink);
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    overflow-x: hidden;
}

body {
    font-family: var(--f-mono);
    background: var(--ink);
    color: var(--bone);
    transition: background-color var(--t-fast), color var(--t-fast);
    line-height: 1.65;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 9000;
    pointer-events: none;
    opacity: var(--grain-opacity);
    mix-blend-mode: var(--grain-blend);
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.86' numOctaves='3' stitchTiles='stitch'/><feColorMatrix type='saturate' values='0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/></svg>");
    background-size: 150px 150px;
    animation: grain-shift 0.7s steps(2) infinite;
}

@keyframes grain-shift {
    0%   { transform: translate(0, 0); }
    50%  { transform: translate(-6px, 4px); }
    100% { transform: translate(4px, -5px); }
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background:
        radial-gradient(80% 55% at 12% 0%, var(--frost-soft) 0%, transparent 60%),
        radial-gradient(75% 55% at 100% 100%, var(--rose-soft) 0%, transparent 62%);
    opacity: 0.7;
}

@media (prefers-reduced-motion: reduce) {
    body::after { animation: none; }
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

body.preload * { transition: none !important; }

@media (hover: hover) and (pointer: fine) {
    html {
        cursor: var(--cursor-1x) 1 1, auto;
        cursor: -webkit-image-set(var(--cursor-1x) 1x, var(--cursor-2x) 2x) 1 1, auto;
        cursor: image-set(var(--cursor-1x) 1x, var(--cursor-2x) 2x) 1 1, auto;
    }
}

::selection { background: var(--frost); color: #fff; }

::-webkit-scrollbar { width: 11px; height: 11px; }
::-webkit-scrollbar-track { background: var(--ink); }
::-webkit-scrollbar-thumb {
    background: var(--ink-line-2);
    border: 3px solid var(--ink);
}
::-webkit-scrollbar-thumb:hover { background: var(--frost); }

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; }
img { display: block; max-width: 100%; }

.shell {
    width: 100%;
    max-width: var(--shell);
    margin: 0 auto;
    padding: 0 var(--gutter);
}

.container {
    width: 100%;
    max-width: var(--shell);
    margin: 0 auto;
    padding: 0 var(--gutter);
}

.rule {
    height: 1px;
    background: var(--ink-line);
    width: 100%;
}

@font-face {
    font-family: 'Anton Fallback';
    src: local('Impact'), local('Haettenschweiler'),
         local('Arial Narrow'), local('ArialNarrow');
    size-adjust: 93.8%;
}

@font-face {
    font-family: 'KR Fallback';
    src: local('Apple SD Gothic Neo'), local('AppleSDGothicNeo-Regular'),
         local('Malgun Gothic'), local('MalgunGothic'), local('맑은 고딕'),
         local('NanumGothic'), local('나눔고딕');
    size-adjust: 106.4%;
}

.kicker {
    font-family: var(--f-mono);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.34em;
    text-transform: uppercase;
    color: var(--frost);
    display: inline-flex;
    align-items: center;
    gap: 0.7em;
}
.kicker::before {
    content: "";
    width: 26px;
    height: 1px;
    background: var(--frost);
}

.display {
    font-family: var(--f-display);
    font-weight: 400;
    line-height: 0.92;
    letter-spacing: 0.005em;
    text-transform: uppercase;
}

.idx {
    font-family: var(--f-mono);
    font-size: 0.72rem;
    letter-spacing: 0.2em;
    color: var(--bone-faint);
}

.header {
    position: fixed;
    top: 0; left: 0; right: 0;

    height: var(--head-total);
    padding-top: var(--safe-top);
    z-index: 1000;

    background: transparent;
    border-bottom: 1px solid transparent;

    transition:
        transform 0.28s cubic-bezier(0.4, 0, 0.2, 1),
        opacity   0.24s cubic-bezier(0.4, 0, 0.2, 1),
        background-color 0.3s ease,
        border-color     0.3s ease,
        backdrop-filter  0.3s ease;
    will-change: transform;
}

.header.is-stuck {
    background: var(--surface-blur);
    backdrop-filter: blur(14px) saturate(150%);
    -webkit-backdrop-filter: blur(14px) saturate(150%);
    border-bottom-color: var(--ink-line);
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
    .header.is-stuck { background: var(--ink); }
}

.header.is-hidden {
    transform: translateY(calc(-100% - env(safe-area-inset-top, 0px) - 3px));
    opacity: 0;
    pointer-events: none;
}

.header-inner,
.header-container {
    max-width: var(--shell);
    height: 100%;
    margin: 0 auto;
    padding: 0 var(--gutter);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: baseline;
    gap: 0.55rem;
    transition: opacity var(--t-fast);
}
.logo:hover { opacity: 0.62; }

.logo-text {
    font-family: var(--f-display);
    font-size: 1.62rem;
    letter-spacing: 0.04em;
    color: var(--bone);
}
.logo-sub {
    font-family: var(--f-mono);
    font-size: 0.72rem;
    letter-spacing: 0.22em;
    color: var(--frost);
    padding: 2px 7px;
    border: 1px solid var(--ink-line-2);
}

.nav {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.nav-link {
    font-family: var(--f-mono);
    font-size: 0.78rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--bone-dim);
    padding: 10px 16px;
    position: relative;
    transition: color var(--t-fast);
}
.nav-link::after {
    content: "";
    position: absolute;
    left: 16px; right: 16px;
    bottom: 6px;
    height: 1px;
    background: var(--frost);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--t-fast);
}
.nav-link:hover { color: var(--bone); }
.nav-link:hover::after,
.nav-link.active::after { transform: scaleX(1); }
.nav-link.active { color: var(--frost); }

.nav-link--event {

    display: inline-flex;
    align-items: center;
    gap: 0.55em;
    font-weight: 600;
    color: var(--rose);
}
.nav-link--event::before {
    content: "";

    order: 1;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--rose);
    flex-shrink: 0;
}
.nav-link--event:hover { color: var(--rose-deep); }
.nav-link--event.active { color: var(--rose); }

.nav-link--event::after { background: var(--rose); }

.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px; height: 38px;
    flex: none;
    margin-left: 1.4rem;
    border: 1px solid var(--ink-line-2);
    background: transparent;
    color: var(--bone-dim);
    cursor: pointer;
    transition: color var(--t-fast), border-color var(--t-fast);
}
.theme-toggle:hover {
    color: var(--frost);
    border-color: var(--frost);
}
.theme-toggle:focus-visible {
    outline: 2px solid var(--frost);
    outline-offset: 2px;
}
.theme-toggle svg {
    width: 17px; height: 17px;
    display: none;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.6;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.theme-toggle[data-mode="system"] .icon-auto { display: block; }
.theme-toggle[data-mode="light"]  .icon-sun  { display: block; }
.theme-toggle[data-mode="dark"]   .icon-moon { display: block; }

.theme-toggle:not([data-mode]) .icon-auto { display: block; }

.theme-toggle .icon-auto .half {
    fill: currentColor;
    stroke: none;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    width: 34px; height: 34px;
    align-items: flex-end;
    justify-content: center;
}
.mobile-menu-btn span {
    display: block;
    height: 1.5px;
    width: 100%;
    background: var(--bone);
    transition: all var(--t-fast);
}
.mobile-menu-btn span:nth-child(2) { width: 66%; }
.mobile-menu-btn.active span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.mobile-menu-btn.active span:nth-child(2) { opacity: 0; }
.mobile-menu-btn.active span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); width: 100%; }

.page-masthead {
    padding: clamp(56px, 9vw, 130px) 0 clamp(36px, 5vw, 64px);
    border-bottom: 1px solid var(--ink-line);
}
.masthead-grid {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--gutter);
    align-items: end;
}
.masthead-title {
    font-size: clamp(3.4rem, 9vw, 8rem);
    color: var(--bone);
}
.masthead-title em {
    font-style: normal;
    color: var(--frost);
}
.masthead-aside {
    display: flex;
    flex-direction: column;
    gap: 18px;
    justify-self: end;
    text-align: right;
    border-left: 1px solid var(--ink-line);
    padding-left: var(--gutter);
}
.masthead-copy {
    font-family: var(--f-mono);
    font-size: 0.86rem;
    color: var(--bone-dim);
    max-width: 38ch;
    line-height: 1.8;

    word-break: keep-all;
}

@media (max-width: 920px) {
    .masthead-grid { grid-template-columns: 1fr; gap: 28px; }
    .masthead-aside {
        justify-self: start;
        text-align: left;
        border-left: none;
        padding-left: 0;
    }
}

@media (max-width: 560px) {
    .page-masthead { padding: 36px 0 24px; }
}

.section {
    padding: clamp(72px, 11vw, 150px) 0;
    position: relative;
}

.sec-head {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--gutter);
    align-items: end;
    padding-bottom: clamp(28px, 4vw, 52px);
    border-bottom: 1px solid var(--ink-line);
    margin-bottom: clamp(36px, 5vw, 64px);
}
.sec-head__title {
    font-family: var(--f-display);
    font-size: clamp(2.6rem, 6.5vw, 5.6rem);
    line-height: 0.9;
    text-transform: uppercase;
    color: var(--bone);
}
.sec-head__title em {
    font-style: normal;
    color: var(--frost);
}
.sec-head__aside {
    font-family: var(--f-mono);
    font-size: 0.86rem;
    color: var(--bone-dim);
    max-width: 44ch;
    justify-self: end;
    text-align: right;

    word-break: keep-all;
}

.aside--nowrap {
    max-width: none;
    white-space: nowrap;
}

.section-title {
    font-family: var(--f-display);
    font-size: clamp(2.2rem, 5vw, 4rem);
    text-transform: uppercase;
    color: var(--bone);
    margin-bottom: 2.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}
.section-title .title-icon { display: none; }

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    padding: 16px 26px;
    font-family: var(--f-mono);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    border: 1px solid var(--ink-line-2);
    background: transparent;
    color: var(--bone);
    position: relative;
    overflow: hidden;
    transition: color var(--t-fast), border-color var(--t-fast);
}

.btn[hidden] { display: none; }

.btn::before {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--frost);
    transform: translateY(101%);
    transition: transform var(--t-fast);
    z-index: -1;
}
.btn:hover { color: #fff; border-color: var(--frost); }
.btn:hover::before { transform: translateY(0); }
.btn:active { transform: translateY(1px); }

.btn-primary {
    background: var(--frost);
    color: #fff;
    border-color: var(--frost);
}
.btn-primary::before { background: var(--rose); }
.btn-primary:hover { color: #fff; border-color: var(--rose); }

.btn-secondary {   }

.btn-icon { font-size: 1rem; }

.btn-arrow { transition: transform var(--t-fast); }
.btn:hover .btn-arrow { transform: translateX(4px); }

.modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9500;
    background: var(--scrim);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    overflow-y: auto;
    padding: var(--gutter);
}
.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}
.modal-content {
    position: relative;
    margin: auto;
    background: var(--ink-raise);
    border: 1px solid var(--ink-line-2);
    box-shadow: 0 30px 70px -20px rgba(var(--shadow-rgb), 0.35);
    width: 100%;
    max-width: 540px;
    animation: modal-rise 0.5s var(--ease);
}
@keyframes modal-rise {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}
.modal-close {
    position: absolute;
    top: 14px; right: 14px;
    width: 42px; height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--bone-dim);
    border: 1px solid var(--ink-line-2);
    transition: all var(--t-fast);
    z-index: 5;
}
.modal-close:hover {
    background: var(--rose);
    color: #fff;
    border-color: var(--rose);
}

.toast {

    --toast-offset: calc(32px + env(safe-area-inset-bottom, 0px));

    position: fixed;
    left: 50%;
    bottom: var(--toast-offset);
    transform: translate(-50%, calc(100% + var(--toast-offset)));
    opacity: 0;
    pointer-events: none;
    background: var(--ink-raise);
    border: 1px solid var(--ink-line-2);
    border-left: 3px solid var(--frost);
    box-shadow: 0 14px 36px -10px rgba(var(--shadow-rgb), 0.3);
    color: var(--bone);
    font-family: var(--f-mono);
    font-size: 0.82rem;
    padding: 14px 22px;
    z-index: 9600;
    transition: transform var(--t-slow), opacity var(--t-slow);
    max-width: 90vw;
}
.toast.show {
    transform: translate(-50%, 0);
    opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
    .toast { transition: opacity var(--t-fast); transform: translate(-50%, 0); }
    .toast:not(.show) { transform: translate(-50%, calc(100% + var(--toast-offset))); }
}
.toast.error { border-left-color: var(--t-collab); }
.toast.success { border-left-color: var(--t-chat); }

.footer {
    border-top: 1px solid var(--ink-line);

    padding: clamp(56px, 8vw, 96px) 0 calc(48px + env(safe-area-inset-bottom, 0px));
    position: relative;
}
.footer-grid {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--gutter);
    align-items: start;
}
.footer-mark {
    font-family: var(--f-display);
    font-size: clamp(3rem, 9vw, 7.5rem);
    line-height: 0.85;
    text-transform: uppercase;
    color: var(--bone);
}
.footer-mark em {
    font-style: normal;
    -webkit-text-stroke: 1.5px var(--rose);
    color: transparent;
}
.footer-disclaimer {
    border-left: 1px solid var(--ink-line);
    padding-left: var(--gutter);
}
.disclaimer-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--f-mono);
    font-size: 0.68rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--frost);
    padding: 6px 12px;
    border: 1px solid var(--ink-line-2);
    margin-bottom: 18px;
}
.badge-icon { color: var(--frost); }
.disclaimer-text {
    font-family: var(--f-mono);
    font-size: 0.8rem;
    line-height: 1.85;
    color: var(--bone-dim);
}
.footer-divider {
    grid-column: 1 / -1;
    height: 1px;
    background: var(--ink-line);
    margin: clamp(32px, 5vw, 56px) 0 28px;
}
.footer-text {
    grid-column: 1 / -1;
    font-family: var(--f-mono);
    font-size: 0.74rem;
    line-height: 1.9;
    color: var(--bone-faint);
}
.footer-text a {
    color: var(--frost);
    transition: opacity var(--t-fast);
}
.footer-text a:hover { opacity: 0.6; }

@media (max-width: 900px) {
    .sec-head,
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .sec-head__aside { text-align: left; justify-self: start; }
    .footer-disclaimer { border-left: none; padding-left: 0; }
}

@media (max-width: 720px) {
    :root { --head-h: 64px; }

    .aside--nowrap { white-space: normal; }

    .section { padding: 48px 0; }

    .mobile-menu-btn {
        display: flex;
        width: 42px; height: 42px;
        justify-content: center;
    }

    .mobile-menu-btn span { width: 30px; }
    .mobile-menu-btn span:nth-child(2) { width: 20px; }
    .mobile-menu-btn.active span:nth-child(3) { width: 30px; }

    .theme-toggle {
        margin-left: auto;
        margin-right: 0.8rem;
        width: 42px; height: 42px;

        border: none;
        color: var(--bone);
    }
    .theme-toggle svg {
        width: 20px; height: 20px;
        stroke-width: 1.9;
    }

    .nav {
        position: fixed;
        top: var(--head-total);
        left: 0; right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: var(--ink);
        border-bottom: 1px solid var(--ink-line);
        padding: 8px var(--gutter) 20px;
        transform: translateY(-120%);
        opacity: 0;
        visibility: hidden;
        transition: transform var(--t-fast), opacity var(--t-fast), visibility var(--t-fast);
    }
    .nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    .nav-link {
        padding: 16px 4px;
        font-size: 0.92rem;
        border-bottom: 1px solid var(--ink-line);
    }
    .nav-link::after { display: none; }

    .btn { width: 100%; justify-content: center; }

    input, textarea, select { font-size: 16px; }
}

.sec-head__link {

    display: flex;
    width: fit-content;
    margin-left: auto;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.9rem;
    font-family: var(--f-mono);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--frost);
}
.sec-head__link:hover { color: var(--frost-deep); }
.sec-head__link:hover .btn-arrow { transform: translateX(4px); }