/* ============================================================
   AgentiLoop Agent! — shared site nav (menu header)
   Linked by every page AFTER its main stylesheet, paired with nav.js.
   Self-contained: defines its own colors/fonts so it renders identically
   on every page regardless of the base stylesheet.
   ============================================================ */

.nav {
    --nav-bg: rgba(7, 11, 22, 0.82);
    --nav-menu-bg: rgba(7, 11, 22, 0.97);
    --nav-line: rgba(255, 255, 255, 0.07);
    --nav-text: #e8ecf4;
    --nav-dim: #9aa5bd;
    --nav-grad: linear-gradient(135deg, #3b82f6 0%, #22d3ee 100%);
    --nav-font: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Helvetica Neue', sans-serif;
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--nav-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--nav-line);
    font-family: var(--nav-font);
    line-height: 1.6;
}
.nav .nav-inner {
    max-width: 1080px;
    margin: 0 auto;
    padding: 12px 24px;
    display: flex;
    align-items: center;
    gap: 24px;
}
.nav .nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--nav-text);
    font-weight: 700;
    font-size: 1rem;
    white-space: nowrap;
}
.nav .nav-brand img { width: 30px; height: 30px; border-radius: 7px; display: block; }
.nav .nav-brand em {
    font-style: normal;
    background: var(--nav-grad);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.nav .nav-links {
    display: flex;
    gap: 22px;
    margin-left: auto;
}
.nav .nav-links a {
    color: var(--nav-dim);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 500;
    transition: color 0.15s ease;
}
.nav .nav-links a:hover { color: var(--nav-text); }
.nav .btn {
    display: inline-block;
    padding: 8px 20px;
    border-radius: 999px;
    border: 0;
    font-size: 0.85rem;
    font-weight: 600;
    font-family: var(--nav-font);
    text-decoration: none;
    background: var(--nav-grad);
    color: #04101f;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.35);
    white-space: nowrap;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.nav .btn:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(59, 130, 246, 0.5); }
.nav .nav-toggle {
    display: none;
    width: 40px;
    height: 40px;
    padding: 0;
    border: 1px solid var(--nav-line);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.04);
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    flex-shrink: 0;
}
.nav .nav-toggle-bar {
    display: block;
    width: 18px;
    height: 2px;
    border-radius: 2px;
    background: var(--nav-text);
    transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav .nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav .nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav .nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 900px) {
    .nav .nav-inner { position: relative; gap: 12px; }
    .nav #nav-download { margin-left: auto; }
    .nav .nav-toggle { display: flex; }
    .nav .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        margin: 0;
        padding: 8px 0;
        background: var(--nav-menu-bg);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid var(--nav-line);
    }
    .nav .nav-links.is-open { display: flex; }
    .nav .nav-links a { padding: 14px 24px; font-size: 1rem; border-top: 1px solid var(--nav-line); }
}