/* ==========================================================================
   PREMIUM MOBILE NAV (Full Screen Glass)
   ========================================================================== */
.mobile-nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    z-index: 1040;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}
.mobile-nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav {
    position: fixed;
    top: 1rem;
    right: -120%;
    width: calc(100% - 2rem);
    height: calc(100dvh - 2rem);
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: var(--radius-xl);
    z-index: 1050;
    display: flex;
    flex-direction: column;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.12);
    backdrop-filter: blur(30px) saturate(200%);
    -webkit-backdrop-filter: blur(30px) saturate(200%);
    transition: right 0.6s cubic-bezier(0.19, 1, 0.22, 1);
}
[data-mode="dark"] .mobile-nav {
    background: rgba(20, 22, 25, 0.6);
    border-color: rgba(255, 255, 255, 0.05);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
}
.mobile-nav.active {
    right: 1rem;
}

.mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}
[data-mode="dark"] .mobile-nav-header { border-color: rgba(255, 255, 255, 0.05); }

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    padding: 3rem 2rem;
    gap: 2rem;
    overflow-y: auto;
    flex: 1;
}
.mobile-nav-links a {
    display: block;
    font-size: 2rem;
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--text-main);
    transform: translateX(30px);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.mobile-nav.active .mobile-nav-links a {
    transform: translateX(0);
    opacity: 1;
}
/* Staggered entrance */
.mobile-nav.active .mobile-nav-links a:nth-child(1) { transition-delay: 0.1s; }
.mobile-nav.active .mobile-nav-links a:nth-child(2) { transition-delay: 0.15s; }
.mobile-nav.active .mobile-nav-links a:nth-child(3) { transition-delay: 0.2s; }
.mobile-nav.active .mobile-nav-links a:nth-child(4) { transition-delay: 0.25s; }
.mobile-nav.active .mobile-nav-links a:nth-child(5) { transition-delay: 0.3s; }
.mobile-nav.active .mobile-nav-links a:nth-child(6) { transition-delay: 0.35s; }

.mobile-nav-links a:hover,
.mobile-nav-links a.active {
    color: var(--brand-primary);
    padding-left: 1rem;
}

.mobile-nav-actions {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transform: translateY(20px);
    opacity: 0;
    transition: all 0.4s ease 0.3s;
}
.mobile-nav.active .mobile-nav-actions {
    transform: translateY(0);
    opacity: 1;
}