/* ==========================================
   STILI SPECIFICI DELLA HOME PAGE (index.css)
   ========================================== */

/* Griglia ed elementi visivi Hero (Effetto Camera/Lente) */
.hero-grid { 
    position: absolute; 
    inset: 0; 
    background-image: radial-gradient(rgba(255,122,0,0.1) 1px, transparent 1px); 
    background-size: 40px 40px; 
    opacity: 0.3; 
    z-index: 1; 
}

.hero-visual-container { 
    position: absolute; 
    inset: 0; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    overflow: hidden; 
    pointer-events: none; 
}

.lens-ring { 
    position: absolute; 
    width: 80vh; 
    height: 80vh; 
    border: 1px solid rgba(255,255,255,0.05); 
    border-radius: 50%; 
}

.lens-glow { 
    position: absolute; 
    width: 60vh; 
    height: 60vh; 
    background: radial-gradient(circle, rgba(255,122,0,0.08) 0%, transparent 70%); 
    border-radius: 50%; 
}

/* Angoli del Mirino (Viewfinder) */
.viewfinder-corner { 
    position: absolute; 
    width: 25px; 
    height: 25px; 
    border-color: rgba(255,122,0,0.4); 
    z-index: 5; 
}
.corner-tl { top: 6rem; left: 1.25rem; border-top-width: 2px; border-left-width: 2px; }
.corner-tr { top: 6rem; right: 1.25rem; border-top-width: 2px; border-right-width: 2px; }
.corner-bl { bottom: 1.5rem; left: 1.25rem; border-bottom-width: 2px; border-left-width: 2px; }
.corner-br { bottom: 1.5rem; right: 1.25rem; border-bottom-width: 2px; border-right-width: 2px; }

@media (min-width: 768px) {
    .viewfinder-corner { width: 40px; height: 40px; border-color: rgba(255,255,255,0.2); }
    .corner-tl { top: 10vh; left: 10vw; }
    .corner-tr { top: 10vh; right: 10vw; }
    .corner-bl { bottom: 10vh; left: 10vw; }
    .corner-br { bottom: 10vh; right: 10vw; }
    
    /* Menu di Navigazione (Link desktop) */
    .nav-link { 
        padding: 0.6rem 1.4rem;
        border-radius: 9999px;
        font-size: 0.85rem;
        font-weight: 500;
        color: #AAAAAA;
        transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
        border: 1px solid transparent;
        position: relative;
        overflow: hidden;
    }

    .nav-link:hover {
        color: white;
        background: rgba(255, 255, 255, 0.05);
        border-color: rgba(255, 255, 255, 0.1);
        transform: translateY(-1px);
    }

    .nav-link.active {
        background: rgba(255, 122, 0, 0.1);
        color: #FF7A00;
        border-color: rgba(255, 122, 0, 0.4);
        box-shadow: 0 0 20px -5px rgba(255, 122, 0, 0.2);
        font-weight: 600;
    }

    .nav-link::after {
        content: '';
        position: absolute;
        top: 0; left: -100%;
        width: 100%; height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent);
        transition: 0.5s;
    }

    .nav-link:hover::after {
        left: 100%;
    }
}

/* Struttura principale e Animazioni Reveal */
main, footer { position: relative; z-index: 10; }
.reveal { opacity: 0; transform: translateY(30px); will-change: transform, opacity; }

.reveal.immediate-show {
    opacity: 0.8 !important;
    transform: translateY(0) !important;
}

@keyframes scroll-arrow-down { 
    0% { transform: translateY(-10px); opacity: 0; } 
    50% { transform: translateY(0); opacity: 1; } 
    100% { transform: translateY(10px); opacity: 0; } 
}
.scroll-arrow-anim { animation: scroll-arrow-down 2s ease-in-out infinite; }
.no-scrollbar::-webkit-scrollbar { display: none; }
.no-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }

/* Pulsante Chat Flottante */
.chat-button { 
    position: fixed; 
    bottom: 1.5rem; 
    right: 1.5rem; 
    z-index: 130; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    background-color: #FF7A00; 
    color: white; 
    border-radius: 9999px; 
    text-decoration: none; 
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275), transform 0.3s; 
    white-space: nowrap; 
    overflow: hidden; 
    min-width: 3.5rem; 
    height: 3.5rem; 
    box-shadow: 0 10px 25px rgba(255, 122, 0, 0.3); 
    border: none; 
    cursor: pointer; 
}

@media (min-width: 768px) {
    .chat-button { bottom: 2rem; right: 2rem; height: 4rem; min-width: 4rem; }
}

.chat-button:hover { transform: scale(1.05); }
#chat-text { max-width: 0; opacity: 0; font-size: 0px; transition: all 0.5s ease; font-family: 'Inter', sans-serif; font-weight: 600; }

.chat-button.expanded { padding: 0 1.25rem; max-width: 350px; }
.chat-button.expanded #chat-text { max-width: 250px; opacity: 1; font-size: 14px; margin-left: 10px; }

@media (min-width: 768px) {
    .chat-button.expanded { padding: 0 1.5rem; }
    .chat-button.expanded #chat-text { font-size: 16px; margin-left: 12px; }
}

/* Tipografia Responsive */
.hero-title-responsive {
    font-size: clamp(2.4rem, 10vw, 5.5rem);
    line-height: 1.1;
}
@media (min-width: 768px) {
    .hero-title-responsive { line-height: 0.95; }
}