/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

/* Wider navbar container */
.navbar .container {
    max-width: 1440px;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

.navbar.scrolled {
    background-color: rgba(248, 250, 252, 0.95);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    padding: 0.5rem 0;
}

.dark .navbar.scrolled {
    background-color: rgba(15, 23, 42, 0.95);
}

.nav-link {
    position: relative;
    color: var(--dark);
    font-weight: 500;
    margin: 0 1rem;
    padding: 0.5rem 0;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.dark .nav-link {
    color: var(--dark);
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.theme-toggle {
    cursor: pointer;
    font-size: 1.2rem;
    transition: transform 0.3s ease;
    color: var(--primary);
}

.theme-toggle:hover { transform: rotate(30deg); }

/* Language toggle */
.lang-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem;
    border-radius: 9999px;
    background: rgba(79,70,229,0.08);
}
.dark .lang-toggle { background: rgba(79,70,229,0.15); }

.lang-btn { padding: 0.25rem 0.5rem; font-size: 0.85rem; border-radius: 9999px; color: var(--primary); line-height: 1; }
.lang-btn.active { background: var(--primary); color: #fff; }

/* Mobile navigation panel (for toggled menu) */
.nav-panel { 
    background: var(--light); 
    color: var(--dark); 
    border-top: 1px solid rgba(0,0,0,0.06);
    display: none;
}
.nav-panel.flex { display: flex; }
.dark .nav-panel { 
    background: rgba(15, 23, 42, 0.98); 
    color: var(--light);
    border-color: rgba(255,255,255,0.08);
}