/* --- GESTIONE VARIABILI COLORI (THEMING) --- */

/* 1. TEMA SCURO (DEFAULT) */
:root {
    --primary-color: #00bcd4; /* Ciano Tecnologico */
    --primary-text: #00bcd4;  /* Variante per testo/focus: qui = ciano, già leggibile su sfondo scuro */
    --bg-body: #121212;       /* Sfondo Pagina */
    --bg-card: #1e1e1e;       /* Sfondo Schede */
    --bg-nav: rgba(18, 18, 18, 0.95);
    --text-main: #ffffff;     /* Testo principale */
    --text-muted: #d3d3d3;    /* Testo secondario */
    --border-color: #333;
    --map-filter: grayscale(0.5) invert(0.9) contrast(1.2); /* Mappa scura */
    --logo-filter: brightness(0) invert(1); /* Logo Bianco */
    --shadow: none;
    --form-bg: #222222;       
    --form-placeholder: #cccccc;
    --hero-overlay: rgba(0, 0, 0, 0.7); /* Molto scuro di default */
}

/* 2. TEMA CHIARO (Attivato via JS) */
[data-theme="light"] {
    --bg-body: #f4f6f9;       
    --bg-card: #ffffff;       
    --bg-nav: rgba(255, 255, 255, 0.95);
    --text-main: #212529;     
    --text-muted: #666666;    
    --border-color: #ddd;
    --map-filter: none;       
    --logo-filter: none;      
    --shadow: 0 5px 15px rgba(0,0,0,0.05);
    --form-bg: #ffffff;
    --form-placeholder: #666666;
    --hero-overlay: rgba(0, 0, 0, 0.2); /* Leggero in modalità chiara */
    --primary-text: #006978;  /* Variante più scura del ciano: su sfondo chiaro il ciano puro non è leggibile */
}

/* --- STILI GENERALI --- */
body {
    background-color: var(--bg-body);
    color: var(--text-main);
    font-family: 'Roboto', sans-serif;
    overflow-x: hidden;
    transition: background-color 0.3s, color 0.3s;
}

h1, h2, h3, h4, h5, h6, .navbar-brand {
    font-family: 'Oswald', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-main);
}

/* --- NAVIGAZIONE --- */
.navbar {
    background-color: var(--bg-nav) !important;
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.3s;
}

/* Gestione Logo nella Navbar */
.navbar-brand img {
    filter: var(--logo-filter);
    transition: filter 0.3s;
}

/* Link Menu */
.nav-link {
    color: var(--text-muted) !important;
    margin-left: 15px;
    transition: color 0.3s;
    font-weight: 500;
}
.nav-link:hover, .nav-link.active {
    color: var(--primary-text) !important;
}

/* --- DROPDOWN MENU (MENU A TENDINA) --- */
.dropdown-menu {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 0;
    padding: 0;
    margin-top: 0;
}

.dropdown-item {
    color: var(--text-muted);
    padding: 12px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    transition: all 0.3s;
}

.dropdown-item:last-child {
    border-bottom: none;
}

.dropdown-item:hover, .dropdown-item:focus {
    background-color: var(--primary-color);
    color: #000; /* Testo nero su sfondo ciano */
}

/* Regola per far aprire il menu al passaggio del mouse (solo su Desktop) */
@media (min-width: 992px) {
    .nav-item.dropdown:hover .dropdown-menu {
        display: block;
        animation: fadeIn 0.3s;
    }
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Tasto Toggle Mode */
.theme-switch {
    background: none;
    border: 1px solid var(--text-muted);
    color: var(--text-main);
    padding: 5px 10px;
    border-radius: 20px;
    cursor: pointer;
    margin-left: 15px;
    transition: all 0.3s;
}
.theme-switch:hover {
    border-color: var(--primary-text);
    color: var(--primary-text);
}

/* --- HERO SECTION --- */
@keyframes industrialMove {
    0% { background-size: 110%; background-position: center top; }
    50% { background-size: 120%; background-position: center bottom; }
    100% { background-size: 110%; background-position: center top; }
}

.hero-section {
    background: linear-gradient(var(--hero-overlay), var(--hero-overlay)), url('../img/sfondo.png');
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    animation: industrialMove 20s ease-in-out infinite alternate;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    border-bottom: 4px solid var(--primary-color);
    transition: background 0.3s ease-in-out; 
}

/* Logo Grande Centrale */
.hero-logo-main {
    max-width: 300px;
    width: 80%;
    height: auto;
    margin-bottom: 2rem;
    display: block;
    margin-left: auto;
    margin-right: auto;
    filter: var(--logo-filter);
    transition: filter 0.3s;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: #fff; /* Sempre bianco in Hero */
    text-shadow: 2px 2px 10px rgba(0,0,0,0.8);
    margin-bottom: 2rem;
}

/* Bottoni */
.btn-tech {
    background-color: transparent;
    border: 2px solid var(--primary-text);
    color: var(--primary-text);
    padding: 12px 30px;
    font-weight: 600;
    text-transform: uppercase;
    border-radius: 0;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}
.btn-tech:hover {
    background-color: var(--primary-color);
    color: #000;
    box-shadow: 0 0 20px rgba(0, 188, 212, 0.4);
}

/* --- CARDS & LINK SERVIZI --- */
.service-link {
    text-decoration: none;
    display: block;
    height: 100%;
}

.oyster-card {
    background: var(--bg-card);
    border-top: 3px solid var(--primary-color);
    padding: 2rem;
    transition: transform 0.3s, background-color 0.3s, border-color 0.3s;
    box-shadow: var(--shadow);
    border-left: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    border-radius: 4px;
}

.service-link .oyster-card {
    height: 100%;
}

/* Effetto Hover sulle Card */
.service-link:hover .oyster-card {
    transform: translateY(-10px);
    border-color: var(--primary-text);
    background-color: rgba(0, 188, 212, 0.05); /* Leggero tocco ciano su hover */
}

.oyster-card h3, .oyster-card h4, .oyster-card h5, .oyster-card h6 { color: var(--text-main); }
.oyster-card i { 
    color: var(--primary-color); 
    transition: transform 0.3s;
}

/* Animazione icona su hover */
.service-link:hover i {
    transform: scale(1.2);
}

.oyster-card p {
    color: var(--text-muted);
}

/* Mappa */
.map-card {
    padding: 0 !important;
    overflow: hidden;
    height: 450px;
    border: 1px solid var(--border-color);
}
.map-card iframe {
    filter: var(--map-filter);
    transition: filter 0.5s;
}

/* --- FORM --- */
.form-control {
    background-color: var(--form-bg);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    border-radius: 0;
    transition: background-color 0.3s, border-color 0.3s;
}
.form-control:focus {
    background-color: var(--bg-card);
    color: var(--text-main);
    border-color: var(--primary-text);
    box-shadow: 0 0 10px rgba(0, 188, 212, 0.3);
}

.form-control::placeholder { 
    color: var(--form-placeholder) !important; 
    opacity: 1; 
}

/* --- LISTE E TESTI --- */
.text-muted { color: var(--text-muted) !important; }
.list-unstyled li { color: var(--text-muted); margin-bottom: 12px; font-size: 1.1rem; }
.check-icon { color: var(--primary-color); margin-right: 10px; }

h2.text-white { color: var(--text-main) !important; }

/* Liste specifiche usate in sottopagine */
.brand-list li { margin-bottom: 5px; display: flex; align-items: center; color: var(--text-muted); }
.brand-list i { color: var(--primary-color); margin-right: 10px; font-size: 0.8rem; }

/* --- FOOTER --- */
footer {
    background-color: var(--bg-body);
    border-top: 1px solid var(--border-color);
    padding: 50px 0 20px;
    margin-top: 50px;
    font-size: 0.9rem;
}
footer img {
    filter: var(--logo-filter);
    opacity: 0.7;
}

/* --- STRUMENTI FLUTTUANTI (WhatsApp & Scroll) --- */
.floating-btn-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* WhatsApp */
.btn-whatsapp {
    background-color: #25d366;
    color: white !important;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    transition: transform 0.3s;
    text-decoration: none;
}
.btn-whatsapp:hover {
    transform: scale(1.1);
}

/* Scroll Top */
.btn-scroll-top {
    background-color: var(--primary-color);
    color: #000;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: none; /* Nascosto all'inizio */
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    border: none;
    cursor: pointer;
    transition: all 0.3s;
    margin-left: auto; /* Allinea a destra nel container */
    margin-right: 5px;
}
.btn-scroll-top:hover {
    background-color: #fff;
}

/* --- OTTIMIZZAZIONE MOBILE --- */
@media (max-width: 991px) {
    .navbar-collapse {
        background-color: var(--bg-card);
        padding: 20px;
        margin-top: 10px;
        border: 1px solid var(--border-color);
    }
}

@media (max-width: 768px) {
    /* Ridimensionamento testi e logo su schermi piccoli */
    .hero-content h1 {
        font-size: 2.2rem;
    }
    .hero-logo-main {
        max-width: 180px;
        margin-bottom: 1.5rem;
    }
    .btn-tech, .btn-outline-light {
        width: 100%; /* Bottoni a tutta larghezza su mobile */
        margin-bottom: 10px;
    }
}
/* =========================================
   FIX PER DISPOSITIVI MOBILE (iPhone/Android)
   ========================================= */

/* 1. Blocca lo scorrimento orizzontale */
html, body {
    max-width: 100%;
    overflow-x: hidden;
}

/* 2. Risolve il salto dell'immagine e la barra di Safari su iPhone */
@media (max-width: 768px) {
    .hero-section { 
        background-attachment: scroll !important;
        background-position: center center !important;
        background-size: cover !important;
        height: 100svh !important; /* Ignora il movimento della barra di Safari */
        min-height: -webkit-fill-available; /* Supporto extra per vecchi iPhone */
    }
}
/* ==========================================================================
   FIX DEFINITIVO: BLOCCA IL RIMBALZO DELL'IMMAGINE AL CAMBIO TEMA
   ========================================================================== */

.hero-section {
    /* 1. Forza la scheda grafica a ridisegnare subito l'immagine senza aspettare lo scorrimento (Anti-Glitch per Safari) */
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
    
    /* 2. Impedisce che la sfumatura morbida del cambio tema venga applicata allo spostamento dell'immagine */
    transition: background-color 0.4s ease, color 0.4s ease !important;
}

@media (max-width: 768px) {
    .hero-section {
        /* 3. Blocca l'immagine e spegne l'animazione di movimento solo sui telefoni */
        animation: none !important;
        background-attachment: scroll !important;
        background-position: center center !important;
        background-size: cover !important;
    }
}