/* ===================================
   SHARED.CSS - Elementi condivisi tra tutte le pagine
   Include: Header, Navbar e Footer
   =================================== */
:root {
    /* ===== COLOR SYSTEM ===== */
    --color-primary: #05F2DB;
    --color-primary-dark: #05C7F2;
    --color-primary-light: #3BE4EB;
    
    --color-secondary: #BA35F2;
    --color-secondary-dark: #7A24A8;
    --color-secondary-light: #ec76fc;
    
    --color-white: #FFFFFF;
    --color-black: #000000;}
    
/* ===================================
   HEADER E NAVBAR (Desktop)
   =================================== */
.header {
    position: relative;
    background-color: rgba(11, 11, 18, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: var(--z-sticky);
    transition: var(--transition-micro);
}

.header.scrolled {
    background-color: rgba(11, 11, 18, 0.98);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem var(--container-padding);
    max-width: var(--container-max-width);
    margin: 0 auto;
}

.nav__logo {
    flex-shrink: 0;
}

.nav__logo-link {
    display: block;
    text-decoration: none;
}

.nav__logo-img {
    height: var(--spacing-logo);
    width: auto;
    transition: var(--transition-micro);
}

.nav__logo-img:hover {
    transform: scale(1.05);
}

.nav__logo-img:active {
    transform: scale(0.98);
}

.nav__menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 1rem;
    margin-left: auto;
}

.nav__link {
    text-decoration: none;
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: var(--font-size-base);
    transition: var(--transition-micro);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition-micro);
}

.nav__link:hover {
    color: var(--color-primary);
}

.nav__link:hover::after {
    width: 100%;
}

.nav__link:active {
    transform: scale(0.98);
}

.nav__link--cta {
    background: var(--gradient-primary);
    color: var(--color-text-light);
    padding: 0.75rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav__link--cta::after {
    display: none;
}

.nav__link--cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
    color: var(--color-text-light);
}

.nav__link--cta:active {
    transform: translateY(-1px) scale(0.98);
    box-shadow: 0 2px 8px rgba(5, 242, 219, 0.4);
}

.nav__link--cta svg {
    display: block;
    width: 24px;
    height: 24px;
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: var(--spacing-sm);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: calc(var(--z-sticky) + 1);
    position: relative;
    pointer-events: auto;
}

.nav__toggle span {
    display: block;
    width: 25px;
    height: var(--spacing-xs);
    background-color: var(--color-text-primary);
    border-radius: var(--radius-sm);
    transition: var(--transition-micro);
}

.nav__overlay {
    display: none;
}


/* ===================================
   FOOTER (Desktop)
   =================================== */
.footer {
    background-color: var(--color-bg-darker);
    color: var(--color-text-white);
    padding: var(--spacing-lg) 0;
    margin-top: var(--spacing-2xl);
}

.footer__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.footer__top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: var(--spacing-md);
}

.footer__logo {
    height: var(--spacing-logo);
    width: auto;
}

.footer__links {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    max-height: 3rem;
    overflow: hidden;
}

.footer__links-item {
    color: var(--color-text-white);
    text-decoration: none;
    font-size: var(--font-size-footer, var(--font-size-sm));
    transition: var(--transition-micro);
    white-space: nowrap;
}

.footer__links-item:hover {
    color: var(--color-primary);
}

.footer__links-separator {
    color: var(--color-text-separator);
}

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-sm);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.footer__copyright {
    color: var(--color-text-white);
    font-size: var(--font-size-footer, var(--font-size-sm));
    line-height: 1.5;
}

.footer__legal {
    color: var(--color-text-white);
    font-size: var(--font-size-footer, var(--font-size-sm));
}

.footer__legal a {
    color: var(--color-text-white);
    text-decoration: none;
    transition: var(--transition-micro);
}

.footer__legal a:hover {
    color: var(--color-primary);
}


/* ===================================
   MEDIA QUERIES (NAVBAR E FOOTER RESPONSIVE)
   =================================== */

@media (min-width: 769px) and (max-width: 1024px) {
    .nav__menu { gap: 0.75rem; }
    .nav__link { font-size: var(--font-size-sm); padding: 0.5rem; }
}

@media (max-width: 768px) {
    /* Navbar Mobile */
    .nav__menu {
        position: fixed;
        top: 0;
        right: 0;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: rgba(11, 11, 18, 0.98);
        backdrop-filter: blur(10px);
        display: flex;
        flex-direction: column;
        align-items: flex-end;
        padding: 6rem 2rem 2rem;
        gap: 1rem;
        box-shadow: var(--shadow-lg);
        transition: transform var(--transition-micro);
        z-index: calc(var(--z-sticky) - 1);
        overflow-y: auto;
        transform: translateX(100%);
        border-left: 1px solid rgba(5, 242, 219, 0.3);
        text-align: right;
    }
    .nav__menu.active { transform: translateX(0); }
    
    .nav__overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.6);
        backdrop-filter: blur(4px);
        z-index: calc(var(--z-sticky) - 2);
        opacity: 0;
        transition: opacity var(--transition-micro);
        pointer-events: none;
    }
    .nav__overlay.active { display: block; opacity: 1; pointer-events: auto; }
    
    .nav__toggle { display: flex; }
    .nav__toggle.active span:nth-child(1) { transform: rotate(45deg) translate(6px, 6px); }
    .nav__toggle.active span:nth-child(2) { opacity: 0; }
    .nav__toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(6px, -6px); }
    
    .nav__link { text-align: right; }

    /* Footer Mobile */
    .footer { padding: var(--spacing-md) 0; }
    .footer__top {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
        align-items: center;
        margin-bottom: var(--spacing-md);
    }
    .footer__logo { height: var(--spacing-2xl); }
    .footer__links {
        justify-content: center;
        flex-wrap: wrap;
        margin-left: 0;
        gap: var(--spacing-xs);
        overflow-x: visible;
    }
    .footer__links-item { white-space: nowrap; }
    .footer__links-separator { font-size: var(--font-size-sm); padding: 0 var(--spacing-xs); }
    .footer__bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
        padding-top: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    /* Touch targets più grandi - WCAG 2.5.5 */
    .footer { padding: var(--spacing-sm) 0; }
    .footer__links { gap: var(--spacing-sm); max-height: 3rem; overflow: hidden; }
    .footer__links-item { font-size: var(--font-size-footer, var(--font-size-sm)); white-space: nowrap; }
    .nav__logo-img { height: 40px; max-width: var(--spacing-5xl); width: auto; }
}

@media (max-width: 375px) {
    .nav__toggle { padding: 0.75rem; }
    .nav__toggle span { width: 28px; height: 3px; }
    .footer__links { flex-wrap: wrap; justify-content: center; overflow-x: visible; }
}

@media (max-width: 320px) {
    .nav__toggle { padding: 1rem; }
    .nav__toggle span { width: 30px; height: 3px; }
}

@media (max-width: 960px) and (orientation: landscape) {
    .nav__menu { padding: 4rem 2rem 2rem; }
}