/* ============================================================
   UKNONG About
   ============================================================ */

:root {
    --bg: #202124;
    --text: #e8eaed;
    --text-2: #9aa0a6;
    --text-3: #5f6368;
    --surface: #303134;
    --line: rgba(255,255,255,0.06);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: 'Inter', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }

.wrap {
    max-width: 600px;
    margin: 0 auto;
    padding: 60px 24px 100px;
}

/* ---------- Header ---------- */
.hd {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 80px;
    animation: fadeIn .4s ease both;
}
.hd-logo {
    font-size: 15px;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text);
    transition: opacity .15s;
}
.hd-logo:hover { opacity: .7; }
.hd-right {
    display: flex;
    align-items: center;
    gap: 2px;
}
.hd-btn {
    appearance: none;
    -webkit-appearance: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-3);
    padding: 6px;
    border-radius: 8px;
    transition: color .15s, background .15s;
    display: flex;
}
.hd-btn:hover { color: var(--text-2); background: rgba(255,255,255,0.04); }
.hd-btn svg { width: 18px; height: 18px; }

/* ---------- Language Selector ---------- */
.lang-wrap { position: relative; }
.lang-menu {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 4px;
    min-width: 120px;
    box-shadow: 0 8px 24px rgba(0,0,0,.25);
    z-index: 10;
}
.lang-opt {
    display: block;
    width: 100%;
    padding: 6px 10px;
    font-size: 12px;
    font-family: inherit;
    color: var(--text-2);
    background: none;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    text-align: left;
    transition: background .1s, color .1s;
}
.lang-opt:hover { background: rgba(255,255,255,0.06); color: var(--text); }
.lang-opt.active { color: var(--text); font-weight: 500; }

/* ---------- Hero ---------- */
.hero {
    margin-bottom: 72px;
    animation: fadeIn .5s ease both;
}
.hero-title {
    font-size: clamp(24px, 5vw, 32px);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.3;
    margin-bottom: 16px;
}
.hero-sub {
    font-size: 14px;
    color: var(--text-2);
    line-height: 1.7;
    max-width: 440px;
}

/* ---------- Services ---------- */
.services {
    margin-bottom: 64px;
    animation: fadeIn .5s ease .06s both;
}
.section-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-3);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 16px;
}
.svc-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--line);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}
.svc-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 16px;
    background: var(--bg);
    transition: background .15s;
    cursor: pointer;
}
.svc-card:hover { background: var(--surface); }
.svc-card:nth-child(odd):last-child { grid-column: 1 / -1; }
.svc-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-2);
}
.svc-icon svg { width: 20px; height: 20px; }
.svc-text {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.svc-name {
    font-size: 13px;
    font-weight: 600;
}
.svc-desc {
    font-size: 11px;
    color: var(--text-3);
}
.svc-arrow {
    flex-shrink: 0;
    width: 14px;
    height: 14px;
    color: var(--text-3);
    opacity: 0;
    transform: translateX(-4px);
    transition: opacity .15s, transform .15s;
}
.svc-card:hover .svc-arrow {
    opacity: 1;
    transform: translateX(0);
}

/* ---------- Info ---------- */
.info {
    text-align: center;
    padding: 48px 0 0;
    animation: fadeIn .5s ease .12s both;
}
.info-text {
    font-size: 13px;
    color: var(--text-2);
    margin-bottom: 12px;
}
.info-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-3);
}
.info-links a {
    color: var(--text-3);
    transition: color .15s;
}
.info-links a:hover { color: var(--text-2); }
.info-dot { color: var(--text-3); opacity: .4; }

/* ---------- Footer ---------- */
.ft {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    text-align: center;
    padding: 14px 0;
    font-size: 11px;
    color: var(--text-3);
    background: #171717;
}
.ft a { color: var(--text-3); transition: color .15s; }
.ft a:hover { color: var(--text-2); }

/* ---------- Animation ---------- */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.hidden { display: none !important; }

/* ============================================================
   Light
   ============================================================ */
body.light {
    --bg: #f5f5f7;
    --text: #1d1d1f;
    --text-2: #6e6e73;
    --text-3: #aeaeb2;
    --surface: #fff;
    --line: rgba(0,0,0,0.06);
}
body.light .hd-btn:hover { background: rgba(0,0,0,0.04); }
body.light .lang-menu { background: #fff; box-shadow: 0 8px 24px rgba(0,0,0,.08); }
body.light .lang-opt:hover { background: rgba(0,0,0,0.04); }
body.light .svc-card:hover { background: #fff; }
body.light .ft { background: #fff; border-top: 1px solid var(--line); }

/* ---------- Mobile ---------- */
@media (max-width: 480px) {
    .wrap { padding: 40px 16px 90px; }
    .hd { margin-bottom: 56px; }
    .hero { margin-bottom: 56px; }
    .svc-grid { grid-template-columns: 1fr; }
    .svc-arrow { opacity: 1; transform: none; }
}