/* ======================================= */
/* STILE HEADER - TEMA PREMIUM & ELEGANTE  */
/* ======================================= */
:root {
    --header-bg: linear-gradient(135deg, #000d50, #001352);
    --text-color-header: #e0e0e0;
    --text-color-hover: #ffffff;
    --primary-accent: #ff644f;
    --primary-accent-glow: rgba(255, 114, 79, 0.5);
    --border-color: rgba(255, 255, 255, 0.1);
    --header-height: 75px;
    --transition-fast: 0.3s ease;
    --transition-slow: 0.5s ease;
    --font-family: 'Poppins', sans-serif;
}

body {
    padding-top: var(--header-height);
    font-family: var(--font-family);
    background: #f4f7f9;
}

body.menu-open {
    overflow: hidden;
}

/* ===== HEADER PRINCIPALE ===== */
.site-header {
    background: var(--header-bg);
    border-bottom: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: background-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-slow);
}

.site-header.scrolled {
    background: rgba(19, 23, 40, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.2);
}

.header-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 25px;
    height: var(--header-height);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-img {
    height: 48px;
    transition: transform var(--transition-fast), filter var(--transition-fast);
}
.logo-img:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 0 10px var(--primary-accent-glow));
}

/* ===== NAVIGAZIONE DESKTOP ===== */
.main-menu {
    list-style: none;
    display: flex;
    align-items: center;
    margin: 0;
    padding: 0;
    gap: 1.5rem;
}

.main-menu a {
    color: var(--text-color-header);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    padding: 0.5rem 1rem; /* Padding per effetto pillola */
    border-radius: 50px; /* Bordi arrotondati per pillola */
    position: relative;
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.main-menu a:hover,
.main-menu a:focus {
    color: var(--text-color-hover);
    background-color: var(--primary-accent); /* Effetto pillola al passaggio del mouse */
}

/* ===== DROPDOWN DESKTOP ===== */
.dropdown {
    position: relative;
}
.menu-link::after {
    content: '▾';
    font-size: 0.8em;
    margin-left: 0.4rem;
    display: inline-block;
    transition: transform var(--transition-fast);
}
.dropdown:hover .menu-link::after {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 15px);
    left: 50%;
    transform: translateX(-50%) translateY(10px) scale(0.95);
    background: #1c213a;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    min-width: 260px;
    list-style: none;
    padding: 0.75rem;
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
}
.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0) scale(1);
}

.dropdown-menu a {
    display: block;
    padding: 0.8rem 1rem;
    font-size: 0.95rem;
    border-radius: 8px;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}
.dropdown-menu a:hover {
    background-color: var(--primary-accent);
    color: var(--text-color-hover);
}

/* ===== AZIONI HEADER (SOCIAL & CTA) ===== */
.header-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}
.social-icons {
    display: flex;
    gap: 1rem;
}
.social-icons a {
    color: var(--text-color-header);
    font-size: 1.1rem;
    transition: color var(--transition-fast), transform var(--transition-fast);
}
.social-icons a:hover {
    color: var(--primary-accent);
    transform: translateY(-3px);
}

/* ===== HAMBURGER & OVERLAY ===== */
.hamburger {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
    z-index: 1002;
    margin-left: 1rem;
}
.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--text-color-header);
    border-radius: 3px;
    transition: all var(--transition-slow);
}
.hamburger.active .bar:nth-child(2) { opacity: 0; }
.hamburger.active .bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.hamburger.active .bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

.overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 998;
    opacity: 0; visibility: hidden;
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
}
.overlay.active { opacity: 1; visibility: visible; }

/* Inizialmente nascondiamo le parti solo per mobile */
.nav-footer-mobile { display: none; }


/* ===== RESPONSIVE (MOBILE) ===== */
@media (max-width: 1024px) {
    .header-actions { gap: 1rem; }
    .social-icons { display: none; } /* Nascondiamo i social desktop */
    .main-menu { gap: 1rem; }
}

@media (max-width: 992px) {
    .hamburger { display: block; }
    
    .nav-menu {
        position: fixed;
        top: 0; right: 0;
        width: 300px; height: 100vh;
        background: #001168;
        z-index: 999;
        padding: 80px 30px 40px;
        transform: translateX(100%);
        transition: transform var(--transition-slow);
        overflow-y: auto;
        box-shadow: -5px 0 30px rgba(0,0,0,0.3);
        display: flex;
        flex-direction: column;
    }

    .nav-menu.active { transform: translateX(0); }
    
    .main-menu {
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
        width: 100%;
        flex-grow: 1;
    }

    .main-menu li {
        text-align: center;
    }

    .main-menu a {
        display: block;
        width: 100%;
        padding: 1rem;
        font-size: 1.1rem;
    }

    /* Dropdown mobile */
    .dropdown-menu {
        opacity: 1;
        visibility: visible;
        transform: none;
        background: transparent;
        border: none;
        box-shadow: none;
        padding: 0;
        margin: 0.5rem auto 0 auto; /* Centra il blocco */
        width: 98%; /* Imposta la larghezza */
        min-width: auto;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease-in-out;
    }
    .dropdown.open .dropdown-menu { 
        max-height: 500px;
    }
    .dropdown-menu a {
        padding: 0.75rem 1rem;
        font-size: 1rem;
        color: var(--text-color-header);
        opacity: 0.8;
        background: rgba(255, 255, 255, 0.05);
        text-align: center;
        border-radius: 8px;
    }
    .dropdown-menu li:not(:last-child) {
        margin-bottom: 0.25rem;
    }
    .dropdown-menu a:hover {
        opacity: 1;
        background-color: rgba(255, 255, 255, 0.1);
        color: var(--primary-accent);
    }

    /* Footer del menu mobile */
    .nav-footer-mobile {
        display: block;
        margin-top: 2rem;
        padding-top: 1.5rem;
        border-top: 1px solid var(--border-color);
    }
    
    .cta-button-mobile {
        display: none;
    }

    .social-icons-mobile {
        display: flex;
        justify-content: center;
        gap: 1.5rem;
    }
    .social-icons-mobile a {
        color: var(--text-color-header);
        font-size: 1.3rem;
    }
}