/* ============================================================
   landing-nav.css
   Main navigation (top bar) for all landing pages.
   Depends on landing-base.css for CSS variables (:root).
   ============================================================ */

nav {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 95%;
    max-width: 1400px;
    background: var(--light-bg);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(244,121,32,0.15);
    border-radius: 25px;
    padding: 1rem 2rem;
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 0 10px 40px rgba(244,121,32,0.1);
}
nav:hover {
    background: var(--light-bg);
    border-color: rgba(244,121,32,0.3);
    box-shadow: 0 15px 50px rgba(244,121,32,0.2);
}

.nav-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    min-height: auto;
}

/* ── Logo ────────────────────────────────────────────────────── */
.logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    min-width: 0;
    text-decoration: none;
    gap: 0.8rem;
}
.logo-text {
    font-family: 'Changa', sans-serif;
    font-size: 2rem;
    font-weight: 900;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 1px;
    color: transparent;
}
.logo img {
    height: 2.5rem;
    width: auto;
    object-fit: contain;
    max-height: 2.5rem;
    filter: drop-shadow(0 0 20px rgba(244,121,32,0.3));
}

/* ── Nav Center / Links ──────────────────────────────────────── */
.nav-center {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}
.nav-links { display: flex; gap: 2.5rem; list-style: none; }
.nav-links a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 600;
    transition: all 0.3s;
    position: relative;
    font-size: 0.95rem;
}
.nav-links a::before {
    content: '';
    position: absolute;
    bottom: -5px; right: 0;
    width: 0; height: 2px;
    background: var(--gradient-main);
    transition: width 0.3s ease;
    box-shadow: 0 0 10px var(--primary-orange);
}
.nav-links a:hover         { color: var(--primary-orange); }
.nav-links a:hover::before { width: 100%; }
.nav-links a.active        { color: var(--primary-orange); }
.nav-links a.active::before { width: 100%; }

/* ── User Type Selector ──────────────────────────────────────── */
.user-type-selector { position: relative; flex-shrink: 0; }
.selector-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: var(--gradient-overlay);
    border: 2px solid var(--primary-yellow);
    border-radius: 50px;
    font-family: inherit;
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text-dark);
    cursor: pointer;
    transition: var(--transition-smooth);
}
.selector-btn:hover { border-color: var(--primary-orange); box-shadow: var(--shadow-sm); }
.selector-icon { font-size: 1.25rem; }
.selector-arrow { transition: var(--transition-smooth); }
.selector-btn.active .selector-arrow { transform: rotate(180deg); }

.selector-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    min-width: 260px;
    background: var(--light);
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
    border: 2px solid rgba(244,121,32,0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-smooth);
    z-index: 100;
}
.selector-dropdown.active { opacity: 1; visibility: visible; transform: translateY(0); }

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    text-decoration: none;
    color: inherit;
    transition: var(--transition-smooth);
    border-bottom: 1px solid var(--bg-secondary);
}
.dropdown-item:last-child { border-bottom: none; }
.dropdown-item:hover { background: var(--gradient-overlay); }

.user-type-selector .item-icon    { font-size: 2rem; flex-shrink: 0; }
.user-type-selector .item-content { display: flex; flex-direction: column; gap: 0.25rem; }
.user-type-selector .item-title   { font-weight: 800; font-size: 1.05rem; color: var(--text-dark); }
.user-type-selector .item-desc    { font-size: 0.85rem; color: var(--text-medium); }

/* ── Mobile User Type Select ──────────────────────────────────── */
.mobile-user-type-select {
    display: none;
    position: relative;
    width: 38px;
    height: 38px;
    border-radius: 999px;
    border: 2px solid var(--primary-orange);
    background: var(--light-bg);
    cursor: pointer;
}
.mobile-user-type-select::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 18px;
    height: 2px;
    background: var(--primary-orange);
    border-radius: 999px;
    transform: translate(-50%, -50%);
    box-shadow:
        0 -6px 0 var(--primary-orange),
        0  6px 0 var(--primary-orange);
}
.mobile-user-type-select:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(244,121,32,0.25);
}

/* ── Nav Buttons ─────────────────────────────────────────────── */
.nav-actions { display: flex; align-items: center; gap: 1rem; flex-shrink: 0; }

.nav-btn {
    background: var(--gradient-main);
    color: white;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    border: none;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
    box-shadow: 0 10px 30px rgba(244,121,32,0.3);
    position: relative;
    overflow: hidden;
}
.nav-btn::before {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    width: 0; height: 0;
    background: rgba(255,255,255,0.3);
    border-radius: 50%;
    transform: translate(-50%,-50%);
    transition: width 0.6s, height 0.6s;
}
.nav-btn:hover::before { width: 300px; height: 300px; }
.nav-btn:hover { transform: translateY(-3px); box-shadow: 0 15px 40px rgba(244,121,32,0.5); }

.nav-btn-outline {
    background: transparent;
    border: 2px solid var(--primary-orange);
    color: var(--primary-orange);
}
.nav-btn-outline:hover { background: var(--primary-orange); color: white; transform: translateY(-2px); box-shadow: var(--shadow-md); }

/* ── Language Toggle ─────────────────────────────────────────── */
.lang-toggle {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    background: var(--light-bg);
    border: 2px solid rgba(244,121,32,0.15);
    border-radius: 50px;
    padding: 4px;
    gap: 2px;
    transition: all 0.3s ease;
}
.lang-toggle:hover { border-color: rgba(244,121,32,0.35); box-shadow: 0 4px 15px rgba(244,121,32,0.15); }
.lang-toggle a,
.lang-toggle button {
    padding: 0.5rem 1.1rem;
    border: none;
    border-radius: 40px;
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.35s cubic-bezier(0.68,-0.55,0.265,1.55);
    background: transparent;
    color: var(--gray);
    text-decoration: none;
}
.lang-toggle a:hover,
.lang-toggle button:hover { color: var(--primary-orange); }
.lang-toggle a.active,
.lang-toggle button.active { background: var(--gradient-main); color: white; box-shadow: 0 4px 15px rgba(244,121,32,0.35); }

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 768px) {
    .nav-container { padding: 0.875rem 1.25rem; gap: 0.5rem; }
    .nav-links { display: none; }
    .selector-btn { display: none; }
    .user-type-selector {
        position: static;
    }
    .selector-dropdown {
        right: 0;
        left: auto;
        min-width: 240px;
        max-width: 80vw;
        top: calc(100% + 14px);
    }
    .dropdown-item {
        padding: 0.9rem 1.1rem;
    }
    .user-type-selector .item-icon { font-size: 1.6rem; }
    .user-type-selector .item-title { font-size: 0.95rem; }
    .user-type-selector .item-desc { font-size: 0.8rem; }
    .mobile-user-type-select { display: block; }
    .nav-actions { gap: 0.75rem; }
    .lang-toggle a,
    .lang-toggle button { padding: 0.4rem 0.9rem; font-size: 0.85rem; }
    .nav-btn { padding: 0.55rem 1rem; font-size: 0.875rem; }
    .logo img { height: 1.75rem; }
}
@media (max-width: 480px) {
    nav {
        top: 12px;
        padding: 0.7rem 1rem;
        border-radius: 18px;
    }
    .nav-container { padding: 0.75rem 1rem; gap: 0.5rem; min-height: 52px; }
    .nav-btn { padding: 0.5rem 0.85rem; font-size: 0.8rem; }
    .lang-toggle a,
    .lang-toggle button { padding: 0.3rem 0.6rem; font-size: 0.75rem; }
    .logo img { height: 1.5rem; }
}