/* ===== HEADER STYLES SEMPLIFICATI - HSElevate Landing Page ===== */

/* Header principale */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    transition: background 0.3s ease;
}

/* Container di navigazione */
.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Logo - Design pulito */
.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    text-decoration: none;
    transition: opacity 0.2s ease;
}

.logo:hover {
    opacity: 0.8;
}

/* Navigation links - Desktop minimalista */
.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 1rem;
    padding: 0.5rem 0;
    transition: color 0.2s ease;
    position: relative;
}

.nav-links a:hover {
    color: var(--primary-blue);
}

/* Underline semplice per hover */
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: width 0.3s ease;
}

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

/* ===== BURGER MENU SEMPLIFICATO ===== */

/* Burger button - design minimale */
.burger-menu {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 24px;
    height: 24px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

.burger-menu:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

/* Linee burger - stile minimale */
.burger-line {
    width: 100%;
    height: 2px;
    background: var(--text-dark);
    transition: all 0.3s ease;
    border-radius: 1px;
}

/* Animazione burger semplice */
.burger-menu.active .burger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.burger-menu.active .burger-line:nth-child(2) {
    opacity: 0;
}

.burger-menu.active .burger-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Menu mobile - design pulito */
.mobile-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: white;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    transform: translateY(-20px);
}

.mobile-nav.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Lista menu mobile */
.mobile-nav-list {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
    list-style: none;
    margin: 0;
    padding: 2rem;
    gap: 2rem;
}

.mobile-nav-list li {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s ease;
}

.mobile-nav.active .mobile-nav-list li {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered animation semplificata */
.mobile-nav.active .mobile-nav-list li:nth-child(1) { transition-delay: 0.1s; }
.mobile-nav.active .mobile-nav-list li:nth-child(2) { transition-delay: 0.15s; }
.mobile-nav.active .mobile-nav-list li:nth-child(3) { transition-delay: 0.2s; }
.mobile-nav.active .mobile-nav-list li:nth-child(4) { transition-delay: 0.25s; }

/* Link menu mobile - stile pulito */
.mobile-nav-list a {
    display: block;
    text-decoration: none;
    color: var(--text-dark);
    font-size: 1.25rem;
    font-weight: 500;
    padding: 1rem 2rem;
    text-align: center;
    transition: color 0.2s ease;
    border-radius: 8px;
    min-width: 200px;
}

.mobile-nav-list a:hover,
.mobile-nav-list a:focus {
    color: var(--primary-blue);
    background: rgba(50, 127, 168, 0.05);
}

.mobile-nav-list a.active {
    color: var(--primary-blue);
    font-weight: 600;
    background: rgba(50, 127, 168, 0.1);
}

/* Overlay semplificato */
.nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.3);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Scroll lock */
.menu-open {
    overflow: hidden;
}

/* ===== RESPONSIVE DESIGN ===== */

/* Mobile */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 1rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .burger-menu {
        display: flex;
    }
    
    .logo {
        font-size: 1.3rem;
    }
}

/* Mobile piccoli */
@media (max-width: 480px) {
    .mobile-nav-list {
        padding: 1rem;
        gap: 1.5rem;
    }
    
    .mobile-nav-list a {
        font-size: 1.1rem;
        padding: 0.8rem 1.5rem;
        min-width: 180px;
    }
    
    .logo {
        font-size: 1.2rem;
    }
}

/* Header scrolled - effetto minimale */
.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid rgba(0, 0, 0, 0.15);
}

/* Accessibilità migliorata */
@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
        animation: none !important;
    }
}

/* Focus states migliorati */
.nav-links a:focus,
.mobile-nav-list a:focus {
    
    outline-offset: 2px;
    
}

/* Touch targets ottimizzati */
@media (max-width: 768px) {
    .burger-menu {
        min-width: 44px;
        min-height: 44px;
    }
    
    .mobile-nav-list a {
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

/* Rimozione effetti elaborati - design pulito e professionale */
.nav-links a:hover {
    /* Rimossi background, transform, box-shadow */
    color: var(--primary-blue);
}

.mobile-nav-list a:hover {
    /* Rimossi transform, box-shadow elaborati */
    color: var(--primary-blue);
    background: rgba(50, 127, 168, 0.05);
}