/* ─── Sticky header ──────────────────────────────────────────── */
.site-header {
    width: min(1180px, 92vw);
    margin: 0.85rem auto 0;
    padding: 0.6rem 0.9rem;
    border: 1px solid var(--line);
    border-radius: 14px;
    backdrop-filter: blur(10px);
    background: rgba(4, 18, 41, 0.36);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 10px;
    z-index: 20;
}

/* ─── Brand ──────────────────────────────────────────────────── */
.brand {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    text-decoration: none;
    color: var(--ink);
    font-family: "Orbitron", sans-serif;
    letter-spacing: 0.06em;
}

.brand img {
    width: 44px;
    height: 44px;
    object-fit: contain;
}

/* ─── Nav ────────────────────────────────────────────────────── */
nav {
    display: flex;
    gap: 1.1rem;
}

nav a {
    position: relative;
    text-decoration: none;
    color: var(--muted);
    font-weight: 500;
    transition: color 0.2s ease;
}

nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -0.28rem;
    width: 100%;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(90deg, transparent, var(--cyan-soft), transparent);
    transform: scaleX(0.18);
    transform-origin: center;
    opacity: 0;
    transition: transform 0.24s ease, opacity 0.24s ease;
}

nav a:hover {
    color: var(--cyan-soft);
}

nav a:hover::after,
nav a.active::after {
    opacity: 1;
    transform: scaleX(1);
}

nav a.active {
    color: var(--cyan-soft);
}

/* ─── Main content container ─────────────────────────────────── */
main {
    width: min(1180px, 92vw);
    margin: 2rem auto 4rem;
    position: relative;
    z-index: 1;
}

/* ─── Footer ─────────────────────────────────────────────────── */
.site-footer {
    width: min(1180px, 92vw);
    margin: 0 auto 1.8rem;
    padding: 0.9rem 1rem;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: rgba(4, 18, 41, 0.36);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.8rem;
}

.footer-company {
    margin: 0;
    color: var(--ink);
    font-family: "Orbitron", sans-serif;
    letter-spacing: 0.06em;
}

.footer-link {
    text-decoration: none;
    color: var(--muted);
    font-weight: 600;
    border-bottom: 1px solid transparent;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.footer-link:hover {
    color: var(--cyan-soft);
    border-color: var(--cyan-soft);
}