/**
 * Shared header navigation for EasyTaskFlow subpages (matches index.html menu).
 */
:root {
    --nav-primary: #2563eb;
    --nav-accent: #0ea5e9;
    --nav-success: #10b981;
    --nav-bg-light: #f8fafc;
    --nav-text-primary: #0f172a;
    --nav-text-secondary: #475569;
    --nav-border: #e2e8f0;
    --nav-border-light: #f1f5f9;
    --nav-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --nav-shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --nav-shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --nav-radius: 16px;
    --nav-radius-sm: 12px;
    --nav-radius-full: 50px;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.5);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar.scrolled {
    padding: 12px 0;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--nav-shadow-md);
    border-bottom-color: var(--nav-border);
}

.navbar .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar .logo {
    display: inline-flex;
    align-items: center;
    gap: 0;
    text-decoration: none;
    line-height: 0;
}

.navbar .logo-wordmark {
    height: 52px;
    width: auto;
    max-width: min(320px, 62vw);
    object-fit: contain;
    display: block;
}

/* Fallback se il markup usa ancora solo testo (senza img) */
.navbar .logo:not(:has(img)) {
    gap: 8px;
    font-size: 1.5rem;
    font-weight: 700;
    line-height: normal;
    background: linear-gradient(135deg, var(--nav-primary), var(--nav-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.lang-selector {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background: transparent;
    border: 1px solid var(--nav-border);
    border-radius: var(--nav-radius-sm);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.875rem;
}

.lang-btn:hover {
    background: var(--nav-bg-light);
    border-color: var(--nav-primary);
}

.lang-flag {
    font-size: 1.1rem;
}

.lang-code {
    font-weight: 500;
    color: var(--nav-text-secondary);
}

.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 150px;
    background: white;
    border-radius: var(--nav-radius-sm);
    box-shadow: var(--nav-shadow-lg);
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 1002;
    margin-top: 8px;
}

.lang-selector:hover .lang-dropdown,
.lang-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    color: var(--nav-text-primary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: background 0.2s ease;
}

.lang-option:hover {
    background: rgba(37, 99, 235, 0.08);
}

.lang-option.active {
    color: var(--nav-primary);
    font-weight: 600;
}

.lang-option .lang-flag {
    font-size: 1.2rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative;
}

.nav-item > a {
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--nav-text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-item > a:hover,
.nav-item > a.active {
    color: var(--nav-primary);
}

.nav-item > a::after {
    content: '';
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid currentColor;
    transition: transform 0.3s ease;
}

.nav-item:hover > a::after {
    transform: rotate(180deg);
}

.dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 300px;
    background: white;
    border-radius: var(--nav-radius);
    box-shadow: var(--nav-shadow-lg);
    padding: 12px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 1001;
    border: 1px solid var(--nav-border);
}

.nav-item:hover .dropdown,
.nav-item:focus-within .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(8px);
}

.dropdown a {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 14px 20px;
    color: var(--nav-text-primary);
    font-weight: 500;
    transition: all 0.2s ease;
}

.dropdown a:hover {
    background: rgba(37, 99, 235, 0.05);
    color: var(--nav-primary);
}

.dropdown a i {
    width: 20px;
    height: 20px;
    color: var(--nav-primary);
    margin-top: 2px;
    flex-shrink: 0;
}

.dropdown a .dropdown-service-icon {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    margin-top: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: var(--nav-bg-light);
    border: 1px solid var(--nav-border-light);
    overflow: hidden;
}

.dropdown a .dropdown-service-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.dropdown a strong {
    display: block;
    margin-bottom: 2px;
}

.dropdown a p {
    font-size: 0.8rem;
    color: var(--nav-text-secondary);
    margin: 0;
    line-height: 1.4;
}

.dropdown-divider {
    height: 1px;
    background: var(--nav-border);
    margin: 8px 0;
}

.dropdown-group-label {
    padding: 10px 20px 6px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--nav-text-secondary);
}

.mobile-menu .mobile-submenu .mobile-submenu-heading {
    list-style: none;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--nav-text-secondary);
    padding: 10px 0 4px;
    margin-top: 4px;
}

.mobile-menu > ul > li > .mobile-submenu-heading--group {
    display: block;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--nav-text-secondary);
    padding: 8px 0 4px;
    margin: 0;
}

.nav-links > li > a:not(.btn) {
    color: var(--nav-text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links > li > a:not(.btn):hover {
    color: var(--nav-primary);
}

.navbar .nav-links .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 24px;
    border-radius: var(--nav-radius-full);
    font-weight: 600;
    font-size: 0.875rem;
    text-decoration: none;
    cursor: pointer;
    border: none;
    background: linear-gradient(135deg, var(--nav-primary), var(--nav-accent));
    color: white;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35), 0 0 0 1px rgba(37, 99, 235, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    white-space: nowrap;
}

.navbar .nav-links .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.4);
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: white;
    padding: 24px;
    box-shadow: var(--nav-shadow-lg);
    z-index: 999;
    max-height: calc(100vh - 70px);
    overflow-y: auto;
}

.mobile-menu.active {
    display: block;
}

.mobile-menu ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mobile-menu li {
    margin-bottom: 16px;
}

.mobile-menu a {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--nav-text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1rem;
    padding: 8px 0;
}

.mobile-menu a i {
    width: 20px;
    height: 20px;
    color: var(--nav-primary);
}

.mobile-menu .mobile-submenu {
    padding-left: 32px;
    margin-top: 8px;
}

.mobile-menu .mobile-submenu a {
    font-size: 1rem;
    color: var(--nav-text-secondary);
    padding: 6px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.mobile-menu .mobile-submenu a .dropdown-service-icon {
    width: 26px;
    height: 26px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    background: var(--nav-bg-light);
    border: 1px solid var(--nav-border);
    overflow: hidden;
}

.mobile-menu .mobile-submenu .mobile-submenu-divider {
    list-style: none;
    height: 1px;
    background: var(--nav-border);
    margin: 10px 0 12px;
    padding: 0;
}

.mobile-menu .mobile-submenu a .dropdown-service-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.mobile-menu .btn-primary {
    display: flex;
    width: 100%;
    justify-content: center;
    margin-top: 8px;
    padding: 14px 24px;
    border-radius: var(--nav-radius-full);
    font-weight: 600;
    background: linear-gradient(135deg, var(--nav-primary), var(--nav-accent));
    color: white;
    text-decoration: none;
    border: none;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
}