body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f4f4f4;
    color: #222;
}

.header {
    background: #8EBC08;
    color: white;
    padding: 20px;
    text-align: center;
}

.container {
    max-width: 900px;
    margin: 20px auto;
    padding: 15px;
}

.pdf-list {
    list-style: none;
    padding: 0;
}

.pdf-list li {
    background: white;
    margin-bottom: 12px;
    border-radius: 6px;
    padding: 15px;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.pdf-list li:hover {
    transform: translateY(-2px);
    box-shadow: 0 3px 8px rgba(0,0,0,0.15);
}

.pdf-list a {
    color: #0055aa;
    text-decoration: none;
    font-size: 1.1rem;
}

.pdf-list a:hover {
    text-decoration: underline;
}

.footer {
    text-align: center;
    padding: 15px;
    background: #eee;
    margin-top: 30px;
}

/* Responsive */
@media (max-width: 600px) {
    .pdf-list li {
        padding: 12px;
    }
    .pdf-list a {
        font-size: 1rem;
    }
}

/* NAVBAR */
.navbar {
    background: #76a300;
    position: relative;
}

.nav-container {
    max-width: 1100px;
    margin: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 15px;
}

.logo {
    color: white;
    font-weight: bold;
    font-size: 1.1rem;
    padding: 15px 0;
}

/* MENU */
.menu {
    list-style: none;
    display: flex;
    margin: 0;
    padding: 0;
}

.menu li {
    position: relative;
}

.menu a {
    display: block;
    padding: 15px 18px;
    color: white;
    text-decoration: none;
    transition: background 0.3s ease;
}

.menu a:hover {
    background: #5f8600;
}

/* ANIMAZIONE DROPDOWN */
.submenu,
.submenu-sub {
    position: absolute;
    background: white;
    list-style: none;
    padding: 0;
    margin: 0;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.25s ease;
    box-shadow: 0 6px 15px rgba(0,0,0,0.15);
    z-index: 999;
}

.submenu li a,
.submenu-sub li a {
    color: #333;
    padding: 10px 15px;
}

.submenu li a:hover,
.submenu-sub li a:hover {
    background: #f2f2f2;
}

/* Dropdown primo livello */
.dropdown:hover > .submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Sottomenu laterale */
.dropdown-sub {
    position: relative;
}

.submenu-sub {
    top: 0;
    left: 100%;
    transform: translateX(10px);
}

.dropdown-sub:hover > .submenu-sub {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

/* HAMBURGER */
#menu-toggle {
    display: none;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    height: 3px;
    width: 25px;
    background: white;
    margin: 4px 0;
    transition: 0.3s;
}

/* MOBILE */
@media (max-width: 768px) {

    .hamburger {
        display: flex;
    }

    .menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #76a300;
        flex-direction: column;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    #menu-toggle:checked + .hamburger + .menu {
        max-height: 500px;
    }

    .menu li {
        text-align: center;
    }

    .submenu,
    .submenu-sub {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        display: none;
    }

    .dropdown:hover > .submenu,
    .dropdown-sub:hover > .submenu-sub {
        display: block;
    }
}