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

:root {
    --accent: #00ffd3;
    --accent-dim: rgba(0,255,211,0.12);
    --bg: #0a0a0a;
    --bg2: #111111;
    --text: #e8e8e8;
    --muted: #888;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: 'DM Sans', sans-serif;
}

/* ── SITE NAV ── */
.site-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 48px;
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.site-nav .brand {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 2px;
    text-transform: uppercase;
    text-decoration: none;
}

.site-nav ul {
    list-style: none;
    display: flex;
    gap: 28px;
}

.site-nav ul a {
    color: var(--text);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 0.5px;
    opacity: 0.75;
    transition: opacity 0.2s, color 0.2s;
}

.site-nav ul a:hover {
    opacity: 1;
    color: var(--accent);
}

.lang-switch {
    display: flex;
    align-items: center;
    gap: 8px;
}

.lang-switch a {
    color: var(--text);
    text-decoration: none;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    padding: 5px 8px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.14);
    opacity: 0.75;
    transition: opacity 0.2s, border-color 0.2s, color 0.2s, background-color 0.2s;
}

.lang-switch a:hover {
    opacity: 1;
    border-color: rgba(0,255,211,0.55);
    color: var(--accent);
}

.lang-switch a.active {
    opacity: 1;
    color: #02100d;
    background: var(--accent);
    border-color: var(--accent);
}

/* ── FOOTER ── */
footer {
    padding: 32px 48px;
    border-top: 1px solid rgba(255,255,255,0.05);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

footer small {
    color: var(--muted);
    font-size: 0.8rem;
}

footer nav {
    display: flex;
}

footer nav ul {
    list-style: none;
    display: flex;
    gap: 20px;
}

footer nav ul a {
    color: var(--text);
    text-decoration: none;
    font-size: 0.8rem;
    opacity: 0.7;
    transition: opacity 0.2s, color 0.2s;
}

footer nav ul a:hover {
    opacity: 1;
    color: var(--accent);
}

/* ── KEYFRAMES ── */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
    .site-nav {
        padding: 16px 20px;
    }

    .site-nav ul {
        gap: 16px;
    }

    .site-nav ul a {
        font-size: 0.8rem;
    }

    footer {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 24px;
    }
}

@media (max-width: 480px) {
    .site-nav ul {
        display: none;
    }

    .lang-switch a {
        font-size: 0.72rem;
        padding: 5px 7px;
    }
}