/* ═══════════════════════════════════════════════════════════
   MarketSift — Unified Navigation Styles
   Single source of truth for nav across ALL pages
   ═══════════════════════════════════════════════════════════ */

/* ─── MOBILE-FIRST BASE ─── */
/* Hamburger always visible by default; hidden on desktop via @media (min-width: 769px) */
/* This avoids a Samsung Chrome / Android CSS cascade bug where base .hamburger-btn{display:none}
   fails to be overridden by @media(max-width:768px) — inverting the logic guarantees mobile works */

.site-nav {
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 10;
}
.site-nav .nav-left {
    display: flex;
    align-items: center;
    gap: 20px;
}
.site-nav .logo {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1.4rem;
    letter-spacing: -0.5px;
    color: var(--text-primary, #f0f4f8);
    text-decoration: none;
    white-space: nowrap;
}
.site-nav .logo span {
    color: var(--accent, #00d4aa);
}
.site-nav .nav-links {
    display: none;
}
.site-nav .nav-links a {
    font-size: 0.84rem;
    color: var(--text-muted, #5a6478);
    text-decoration: none;
    padding: 6px 12px;
    border-radius: 8px;
    transition: all 0.2s;
    white-space: nowrap;
    font-weight: 500;
}
.site-nav .nav-links a:hover {
    color: var(--text-primary, #f0f4f8);
    background: rgba(255,255,255,0.04);
}
.site-nav .nav-links a.active {
    color: var(--accent, #00d4aa);
    background: var(--accent-dim, rgba(0,212,170,0.15));
}
.site-nav .nav-links a.nav-cta {
    color: var(--accent, #00d4aa);
    background: var(--accent-dim, rgba(0,212,170,0.15));
    font-weight: 600;
}
.site-nav .nav-links a.nav-cta:hover {
    background: var(--accent-glow, rgba(0,212,170,0.25));
}

/* ─── RIGHT NAV (hidden on mobile base) ─── */
/* CRITICAL: all layout props here, NO inline styles in JS — inline display:flex
   breaks Samsung Chrome where !important inside @media fails to override inline */
.site-nav .nav-right {
    display: none;
    align-items: center;
    gap: 6px;
    margin-left: auto;
    margin-right: 12px;
    flex-shrink: 0;
}

/* ─── HAMBURGER BUTTON — always visible by default (mobile-first) ─── */
.site-nav .hamburger-btn {
    display: flex;
    background: none;
    border: 1px solid var(--border, rgba(255,255,255,0.06));
    border-radius: 8px;
    width: 40px;
    height: 40px;
    cursor: pointer;
    color: var(--text-secondary, #8892a4);
    font-size: 1.2rem;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.2s;
}
.site-nav .hamburger-btn:hover {
    border-color: var(--accent, #00d4aa);
    color: var(--accent, #00d4aa);
}

/* ─── MOBILE NAV OVERLAY ─── */
.mobile-nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(10,14,23,0.97);
    z-index: 9999;
    flex-direction: column;
    padding: 24px;
    overflow-y: auto;
}
.mobile-nav-overlay.open {
    display: flex;
}
.mobile-nav-overlay .mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
}
.mobile-nav-overlay .mobile-nav-header .logo {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1.4rem;
    letter-spacing: -0.5px;
    color: var(--text-primary, #f0f4f8);
    text-decoration: none;
}
.mobile-nav-overlay .mobile-nav-header .logo span {
    color: var(--accent, #00d4aa);
}
.mobile-nav-overlay .mobile-nav-close {
    background: none;
    border: 1px solid var(--border, rgba(255,255,255,0.06));
    border-radius: 8px;
    width: 40px;
    height: 40px;
    cursor: pointer;
    color: var(--text-secondary, #8892a4);
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}
.mobile-nav-overlay .mobile-nav-close:hover {
    border-color: var(--accent, #00d4aa);
    color: var(--accent, #00d4aa);
}
.mobile-nav-overlay .mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.mobile-nav-overlay .mobile-nav-links a {
    font-size: 1rem;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    color: var(--text-secondary, #8892a4);
    text-decoration: none;
    padding: 14px 18px;
    border-radius: 12px;
    border: 1px solid var(--border, rgba(255,255,255,0.06));
    background: var(--bg-card, #111827);
    transition: all 0.15s;
    display: block;
}
.mobile-nav-overlay .mobile-nav-links a:hover {
    color: var(--accent, #00d4aa);
    border-color: var(--accent, #00d4aa);
    background: var(--accent-dim, rgba(0,212,170,0.15));
}
.mobile-nav-overlay .mobile-nav-links a.active-link {
    color: var(--accent, #00d4aa);
    border-color: var(--accent, #00d4aa);
    background: var(--accent-dim, rgba(0,212,170,0.15));
}
.mobile-nav-overlay .mobile-nav-links a.nav-cta-mobile {
    color: var(--accent, #00d4aa);
    border-color: var(--accent, #00d4aa);
    background: var(--accent-dim, rgba(0,212,170,0.15));
    margin-top: 4px;
}

/* ─── DESKTOP (≥769px): hide hamburger, show nav links + right nav ─── */
@media (min-width: 769px) {
    .site-nav {
        padding: 20px 40px;
    }
    .site-nav .nav-links {
        display: flex;
        gap: 2px;
        flex-wrap: wrap;
    }
    .site-nav .nav-right {
        display: flex;
    }
    .site-nav .hamburger-btn {
        display: none !important;
    }
}

/* ─── MOBILE BACKUP (≤768px): redundant guarantee for hamburger visibility ─── */
@media (max-width: 768px) {
    .site-nav .hamburger-btn {
        display: flex !important;
    }
    .site-nav .nav-right {
        display: none !important;
    }
}

/* ─── FOOTER (unified) ─── */
.site-footer {
    max-width: 1400px;
    margin: 0 auto;
    padding: 32px 40px;
    border-top: 1px solid var(--border, rgba(255,255,255,0.06));
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}
.site-footer .logo {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: -0.5px;
    color: var(--text-primary, #f0f4f8);
    text-decoration: none;
}
.site-footer .logo span {
    color: var(--accent, #00d4aa);
}
.site-footer .footer-links {
    display: flex;
    align-items: center;
    gap: 16px;
}
.site-footer p,
.site-footer a {
    font-size: 0.8rem;
    color: var(--text-muted, #5a6478);
}
.site-footer a {
    text-decoration: none;
    transition: color 0.2s;
}
.site-footer a:hover {
    color: var(--accent, #00d4aa);
}

@media (max-width: 768px) {
    .site-footer {
        padding: 24px 20px;
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }
}