/* Top bar */
.topbar {
    border-bottom: 1px solid var(--border);
    background: rgba(7, 11, 18, .65);
    backdrop-filter: blur(10px);
}

.topbar-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: .55rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .75rem;
    font-size: .9rem;
}

.topbar .pill {
    padding: .25rem .55rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: rgba(255,255,255,.05);
}

.topbar .sep { color: var(--border); margin: 0 .4rem; }

.topbar .muted { color: var(--muted); }

.top-link {
    color: var(--muted);
    text-decoration: none;
}
.top-link:hover { color: var(--text); }

@media (max-width: 820px) {
    .topbar-right { display: none; }
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(14px);
    background: rgba(7, 11, 18, 0.78);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: .9rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .75rem;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    text-decoration: none;
    color: var(--text);
    font-weight: 700;
    letter-spacing: .2px;
}

.logo-mark {
    font-size: 1.4rem;
    filter: drop-shadow(0 0 6px rgba(47,124,255,.45));
}

.logo-text { font-size: 1.05rem; }

/* Desktop nav */
.main-nav {
    display: flex;
    gap: .9rem;
    align-items: center;
}

.main-nav a {
    color: var(--muted);
    text-decoration: none;
    font-size: .95rem;
    padding: .45rem .65rem;
    border-radius: 999px;
    transition: color .2s ease, background .2s ease, border-color .2s ease;
}

.main-nav a:hover {
    color: var(--text);
    background: rgba(255,255,255,.06);
}

.main-nav .nav-cta {
    background: rgba(255,255,255,.08);
    border: 1px solid var(--border);
    color: var(--text);
}
.main-nav .nav-cta:hover {
    border-color: rgba(47,124,255,.30);
}

/* Hamburger */
.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: rgba(255,255,255,.06);
    color: var(--text);
    cursor: pointer;
    align-items: center;
    justify-content: center;
}

.burger {
    width: 18px;
    height: 2px;
    background: currentColor;
    position: relative;
    display: inline-block;
    border-radius: 2px;
}

.burger::before,
.burger::after {
    content: "";
    position: absolute;
    left: 0;
    width: 18px;
    height: 2px;
    background: currentColor;
    border-radius: 2px;
    transition: transform .2s ease, top .2s ease, opacity .2s ease;
}
.burger::before { top: -6px; }
.burger::after  { top:  6px; }

@media (max-width: 820px) {
    .nav-toggle { display: inline-flex; }

    .main-nav {
        position: absolute;
        top: calc(100% + 10px);
        right: 1.25rem;
        left: 1.25rem;
        display: grid;
        gap: .35rem;
        padding: .75rem;
        border-radius: calc(var(--radius) + 6px);
        border: 1px solid var(--border);
        background: rgba(7, 11, 18, 0.92);
        backdrop-filter: blur(14px);
        box-shadow: 0 20px 60px rgba(0,0,0,.35);

        opacity: 0;
        transform: translateY(-8px);
        pointer-events: none;
        transition: opacity .18s ease, transform .18s ease;
    }

    .main-nav a {
        padding: .8rem .9rem;
        border-radius: 12px;
    }

    .site-header.is-open .main-nav {
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
    }

    .site-header.is-open .burger { background: transparent; }
    .site-header.is-open .burger::before { top: 0; transform: rotate(45deg); }
    .site-header.is-open .burger::after  { top: 0; transform: rotate(-45deg); }
}

.nav-toggle{
  position: relative;
  z-index: 9999;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}