:root {
    /* Brand & palette */
    --brand-orange: #FF7A00;
    --gray-dark: #2F2F2F;
    --gray-mid: #555555;
    --gray-light: #A5A5A5;

    /* Canvas theme color -> brand */
    --cnvs-themecolor: var(--brand-orange);

    /* Overlay paths in scala di grigi */
    --path-fill-1: var(--gray-light);
    --path-fill-2: var(--gray-mid);
    --path-fill-3: var(--gray-dark);
    --path-fill-4: #111;

    --color-title: #fff;
    --color-menu: #fff;
    --font-size-menu: 1.625rem;
}

.global-menu {
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 999;
}

.global-menu__item {
    color: var(--color-menu);
    font-size: var(--font-size-menu);
    opacity: 0;
    transform: translateY(-100%);
    pointer-events: none;
    display: block;
    margin: 0.3em 0;
    transition: transform 0.3s, opacity 0.3s;
    transition-timing-function: ease-in;
}

.global-menu__item:nth-child(odd) { transform: translateY(-100%) rotate(10deg); }
.global-menu__item:nth-child(even) { transform: translateY(-100%) rotate(-10deg); }

.global-menu__item:hover { color: var(--cnvs-themecolor); }

.global-menu__item.is-opened {
    opacity: 1;
    transform: translateY(0) rotate(0);
    pointer-events: auto;
    transition-timing-function: ease;
}

.global-menu__item:nth-of-type(1) { transition-delay: 0s; }
.global-menu__item.is-opened:nth-of-type(1) { transition-delay: 0.85s; }
.global-menu__item:nth-of-type(2) { transition-delay: 0.05s; }
.global-menu__item.is-opened:nth-of-type(2) { transition-delay: 0.8s; }
.global-menu__item:nth-of-type(3) { transition-delay: 0.1s; }
.global-menu__item.is-opened:nth-of-type(3) { transition-delay: 0.75s; }
.global-menu__item:nth-of-type(4) { transition-delay: 0.15s; }
.global-menu__item.is-opened:nth-of-type(4) { transition-delay: 0.7s; }

.shape-overlays {
    width: 100%;
    height: 100vh;
    pointer-events: none;
    position: fixed;
    top: 0;
    left: 0;
}
.shape-overlays.is-opened { pointer-events: auto; }

.shape-overlays__path:nth-of-type(1) { fill: var(--path-fill-1); }
.shape-overlays__path:nth-of-type(2) { fill: var(--path-fill-2); }
.shape-overlays__path:nth-of-type(3) { fill: var(--path-fill-3); }
.shape-overlays__path:nth-of-type(4) { fill: var(--path-fill-4); }

/* Dark mode affinamenti */
.dark .shape-overlays__path:nth-of-type(1) { --path-fill-1: #555; }
.dark .shape-overlays__path:nth-of-type(2) { --path-fill-2: #444; }
.dark .shape-overlays__path:nth-of-type(3) { --path-fill-3: #333; }
.dark .shape-overlays__path:nth-of-type(4) { --path-fill-4: #222; }

@-webkit-keyframes intervalHamburgerBorder {
    0% { opacity: 1; -webkit-transform: scale(1); transform: scale(1); }
    80% { -webkit-transform: scale(1.6); transform: scale(1.6); }
    100% { opacity: 0; -webkit-transform: scale(1.6); transform: scale(1.6); }
}
@keyframes intervalHamburgerBorder {
    0% { opacity: 1; -webkit-transform: scale(1); transform: scale(1); }
    80% { -webkit-transform: scale(1.6); transform: scale(1.6); }
    100% { opacity: 0; -webkit-transform: scale(1.6); transform: scale(1.6); }
}

.primary-menu-trigger {
    display: block !important;
    opacity: 1 !important;
    pointer-events: auto !important;
    z-index: 1 !important;
}

/* Hamburger: cerchio grigio, icona arancione */
.hamburger {
    width: 40px;
    height: 40px;
    display: block;
    position: relative;
    cursor: pointer;
    position: fixed;
    -webkit-transform: translateY(-50%);
    -ms-transform: translateY(-50%);
    -o-transform: translateY(-50%);
    transform: translateY(-50%);
    top: 40px;
    right: 30px;
    z-index: 1000;
    border-radius: 50%;
    background-color: var(--brand-orange);
    pointer-events: auto;
    -webkit-tap-highlight-color: rgba(0,0,0,0);
}

.hamburger::after {
    width: 40px;
    height: 40px;
    box-sizing: border-box;
    content: '';
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    border: 4px solid var(--brand-orange);
    border-radius: 50%;
    -webkit-animation-duration: 1.2s;
    animation-duration: 1.2s;
    -webkit-animation-name: intervalHamburgerBorder;
    animation-name: intervalHamburgerBorder;
    -webkit-animation-iteration-count: infinite;
    animation-iteration-count: infinite;
}

.hamburger i {
    position: absolute;
    text-align: center;
    top: 50%;
    left: 50%;
    color: #ffffff;
    margin: 0;
    padding: 0;
    -webkit-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    -o-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    font-size: 16px;
    -webkit-transition: opacity .4s ease;
    -o-transition: opacity .4s ease;
    transition: opacity .4s ease;
}

.hamburger.is-opened-navi i:first-child,
.hamburger i:last-child { opacity: 0; }

.hamburger.is-opened-navi i:last-child { opacity: 1; }