/* ==========================================================
   NAVIGATION — top nav bar, mobile menu, language switcher
   Part of the CiaoCity modular stylesheet system.
   Design tokens live in base.css — do not redefine colors here.
   ========================================================== */

/* Navigation */
.main-nav {
    position: sticky;
    top: 16px;
    margin: 16px auto;
    z-index: 1000;
    border-radius: var(--radius-pill);
    max-width: 1232px;
    width: calc(100% - 32px);
    transition: all 0.3s ease;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 24px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-main);
    text-decoration: none;
}

.brand i { color: var(--primary); font-size: 1.5rem; }

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
    align-items: center;
}

.nav-links a, .accordion-header {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: color 0.2s ease;
    cursor: pointer;
}

.nav-links a:hover, .accordion-header:hover { color: var(--primary); }
.nav-links > li > a.nav-active { color: var(--primary); }
.accordion-content a.active-lang { color: var(--primary); font-weight: 700; background: rgba(79, 70, 229, 0.06); }

.menu-toggle { display: none; }

/* Desktop Accordion Dropdown */
.accordion-item { position: relative; }

.accordion-content {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    padding: 8px;
    border-radius: var(--radius-sm);
    box-shadow: var(--glass-shadow);
    list-style: none;
    min-width: 160px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.2s ease;
    margin-top: 16px;
    border: 1px solid rgba(0,0,0,0.05);
    z-index: 100;
}

.accordion-content li { white-space: nowrap; }

.accordion-item:hover .accordion-content {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.accordion-content a {
    padding: 10px 16px;
    border-radius: 8px;
}

.accordion-content a:hover { background: var(--bg-color); }

/* Register CTA button in nav */
.nav-register-item { display: flex; align-items: center; }

.nav-register-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    border-radius: var(--radius-pill);
    background: var(--primary);
    color: white !important;
    font-size: 0.85rem;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.nav-register-btn i { font-size: 1rem; }

.nav-register-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
}