/* RESET & VARIABILI */
:root {
    --primary-color: #007bff; /* Blu acqua professionale */
    --secondary-color: #0056b3; /* Blu scuro per hover */
    --accent-color: #ffcc00; /* Giallo per CTA/Attenzione */
    --text-color: #333;
    --bg-light: #f9f9f9;
    --header-height: 70px;
    --container-width: 1200px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    padding-top: var(--header-height); /* Evita che il contenuto finisca sotto l'header fisso */
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* CONTAINER GENERALE */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* HEADER STYLE */
.site-header {
    background: #fff;
    height: var(--header-height);
    position: fixed;
    top: 0;
    width: 100%;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
    display: flex;
    align-items: center;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--text-color);
}
.logo-text .highlight { color: var(--primary-color); }

/* MENU DESKTOP */
.nav-list { display: flex; gap: 30px; align-items: center; }
.nav-list a { font-weight: 500; transition: color 0.3s; }
.nav-list a:hover { color: var(--primary-color); }

/* Bottone CTA nel menu */
.btn-cta {
    background: var(--primary-color);
    color: #fff !important;
    padding: 10px 20px;
    border-radius: 5px;
    transition: background 0.3s;
}
.btn-cta:hover { background: var(--secondary-color); }

/* --- STATO ATTIVO (PAGINA CORRENTE) --- */
.nav-list a.active {
    color: var(--primary-color); /* Diventa blu */
    font-weight: 700;            /* Diventa grassetto */
    border-bottom: 2px solid var(--primary-color); /* Sottolineatura elegante */
}

/* Modifica specifica per il Mobile (togli la riga sotto e mettila di lato) */
@media (max-width: 768px) {
    .nav-list a.active {
        border-bottom: none;
        border-left: 4px solid var(--primary-color); /* Barra verticale a sinistra */
        padding-left: 10px;      /* Spazio per staccare il testo dalla barra */
        background-color: #f0f8ff; /* Sfondo leggerissimo per evidenziare la riga */
    }
}

/* DROPDOWN */
.dropdown { position: relative; }
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    min-width: 180px;
    display: none; /* Nascosto di base */
    border-radius: 4px;
}
.dropdown:hover .dropdown-menu { display: block; }
.dropdown-menu li a {
    display: block;
    padding: 10px 15px;
    border-bottom: 1px solid #eee;
}

/* HAMBURGER MENU (MOBILE) */
.menu-toggle { display: none; background: none; border: none; cursor: pointer; }
.hamburger {
    display: block; width: 25px; height: 3px; background: #333; position: relative;
}
.hamburger::before, .hamburger::after {
    content: ''; position: absolute; width: 100%; height: 3px; background: #333; left: 0;
}
.hamburger::before { top: -8px; }
.hamburger::after { top: 8px; }

/* MEDIA QUERY (MOBILE) */
@media (max-width: 768px) {
    .menu-toggle { display: block; }
    
    .main-nav {
        position: fixed;
        top: var(--header-height);
        right: -100%; /* Fuori schermo */
        width: 80%;
        height: calc(100vh - var(--header-height));
        background: #fff;
        transition: 0.3s ease-in-out;
        box-shadow: -2px 0 10px rgba(0,0,0,0.1);
        padding: 20px;
    }
    
    .main-nav.active { right: 0; }
    .nav-list { flex-direction: column; align-items: flex-start; gap: 20px; }
    
    .dropdown-menu { position: static; display: block; box-shadow: none; padding-left: 20px; }
    .dropdown-menu li a { border: none; padding: 5px 0; color: #666; }
}

/* --- FOOTER STYLE --- */
.site-footer {
    background-color: #222;
    color: #eee;
    padding: 50px 0 20px;
    margin-top: 50px; /* Distanza dal contenuto principale */
    font-size: 0.95rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3 {
    color: #fff;
    margin-bottom: 20px;
    font-size: 1.2rem;
    border-bottom: 2px solid var(--primary-color);
    display: inline-block;
    padding-bottom: 5px;
}

/* Link nel footer */
.footer-links li, .footer-contacts li {
    margin-bottom: 10px;
}

.footer-links a, .footer-contacts a {
    color: #ccc;
    transition: color 0.3s;
}

.footer-links a:hover, .footer-contacts a:hover {
    color: var(--accent-color); /* Diventa giallo al passaggio */
    text-decoration: underline;
}

/* Icone contatti (opzionale, emoji per leggerezza o svg) */
.footer-contacts .icon {
    margin-right: 10px;
}

/* Copyright bar */
.footer-bottom {
    border-top: 1px solid #444;
    padding-top: 20px;
    text-align: center;
    font-size: 0.85rem;
    color: #888;
}

/* Mobile responsive adjustments */
@media (max-width: 768px) {
    .site-footer {
        text-align: center;
    }
    
    .footer-col h3 {
        display: inline-block; /* Centra il titolo */
    }
}

/* --- HERO SECTION --- */
.hero {
    background: linear-gradient(rgba(0,50,100,0.8), rgba(0,50,100,0.8)), url('ricerca-perdita-acqua.webp') center center / cover no-repeat;/* Metteremo un'immagine di sfondo leggera o un colore solido se preferisci velocità massima */
    background-color: #003366; /* Fallback color */
    color: #fff;
    padding: 100px 0 80px;
    text-align: center;
}
.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.btn-hero {
    padding: 15px 30px;
    border-radius: 50px;
    font-weight: bold;
    text-transform: uppercase;
    font-size: 1rem;
}

.btn-hero.primary {
    background: var(--accent-color);
    color: #000;
    box-shadow: 0 4px 15px rgba(255, 204, 0, 0.4);
}

.btn-hero.secondary {
    background: transparent;
    border: 2px solid #fff;
    color: #fff;
}

/* --- SEZIONI GENERALI --- */
.section-padding { padding: 60px 0; }
.bg-light { background-color: var(--bg-light); }
.text-center { text-align: center; }
.mt-30 { margin-top: 30px; }

h2 {
    color: var(--secondary-color);
    margin-bottom: 15px;
    font-size: 2rem;
}

.section-intro {
    max-width: 700px;
    margin: 0 auto 40px;
    color: #555;
}

/* --- CARDS & GRID --- */
.features-grid, .services-preview, .locations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.feature-card, .service-item, .location-box {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: transform 0.3s;
    border-top: 4px solid var(--primary-color);
}

.feature-card:hover, .location-box:hover {
    transform: translateY(-5px);
}

.location-box h3 { color: var(--primary-color); }
.location-box { text-align: center; border: 1px solid #eee; }

/* --- FAQ SECTION (Stile Accordion Nativo) --- */
details {
    background: #fff;
    margin-bottom: 15px;
    border-radius: 5px;
    border: 1px solid #ddd;
    overflow: hidden;
}

summary {
    padding: 15px 20px;
    cursor: pointer;
    font-weight: bold;
    background: #f4f4f4;
    list-style: none; /* Rimuove il triangolo default su alcuni browser */
    position: relative;
}

summary::after {
    content: '+'; 
    position: absolute; 
    right: 20px; 
    font-size: 1.2rem;
}

details[open] summary::after { content: '-'; }

details[open] div {
    padding: 20px;
    border-top: 1px solid #ddd;
    background: #fff;
}

/* --- MEDIA QUERY --- */
@media (max-width: 768px) {
    .hero h1 { font-size: 1.8rem; }
    .hero-actions { flex-direction: column; }
    .btn-hero { width: 100%; text-align: center; }
}

/* --- MODIFICHE ABOUT SECTION --- */

/* Spaziatura aggiuntiva */
.mb-40 { margin-bottom: 40px; }

/* Contenitore Immagine Snippet */
.about-snippet-image {
    margin: 0 auto 50px; /* Centra e da spazio sotto */
    max-width: 900px; /* Larghezza massima per non sgranare su schermi enormi */
    border-radius: 12px; /* Angoli arrotondati moderni */
    overflow: hidden;
    box-shadow: 0 15px 30px rgba(0,0,0,0.15); /* Ombra per "staccare" l'immagine */
}

.about-snippet-image img {
    width: 100%;
    height: auto;
    display: block; /* Rimuove lo spazio fantasma sotto le immagini inline */
    object-fit: cover; /* Assicura che l'immagine riempia il box senza deformarsi */
}

/* Blocco Testo Chi Siamo */
.about-text-block {
    max-width: 800px;
    margin: 0 auto 50px; /* Centrato con spazio sotto prima delle cards */
    text-align: left; /* Testo allineato a sinistra per migliore leggibilità */
    font-size: 1.1rem;
    line-height: 1.8;
    color: #444;
}

.about-text-block h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.about-text-block p {
    margin-bottom: 15px;
}

/* Piccola modifica responsive per l'immagine */
@media (max-width: 768px) {
    .about-snippet-image {
        margin-bottom: 30px;
        border-radius: 8px;
    }
    .about-text-block {
        font-size: 1rem;
        text-align: left; /* Su mobile a volte si preferisce center, ma left è più leggibile per blocchi lunghi */
        padding: 0 10px;
    }
}

/* --- SEZIONE VIDEO PROOF --- */
.video-proof-section {
    background-color: #000; /* Sfondo scuro per far risaltare il video tecnico */
    color: #fff;
}

.video-proof-section h2 {
    color: var(--accent-color); /* Titolo giallo per contrasto */
}

.video-proof-section .section-intro {
    color: #ccc;
}

.video-container-native {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    border: 2px solid #333;
}

.tech-video {
    display: block;
    width: 100%;
    height: auto;
    /* Filtro opzionale per aumentare il contrasto "tecnico" */
    filter: contrast(1.1); 
}

/* Testo in sovraimpressione sul video */
.video-overlay-text {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,0.7);
    padding: 10px 20px;
    border-radius: 30px;
    font-size: 0.9rem;
    white-space: nowrap;
}

.small-text { font-size: 0.85rem; color: #888; }

/* Mobile Adjustment */
@media (max-width: 768px) {
    .video-overlay-text {
        width: 90%;
        font-size: 0.8rem;
        white-space: normal; /* Permette al testo di andare a capo su schermi piccoli */
    }
}

/* --- HERO LOCAL --- */
.hero-local {
    background-position: center;
    background-size: cover;
    /* Opzionale: altezza diversa per le pagine interne */
    min-height: 60vh; 
    display: flex;
    align-items: center;
}

/* --- LISTA TECNOLOGIE --- */
.tech-list {
    margin: 20px 0;
    padding-left: 20px;
}
.tech-list li {
    margin-bottom: 15px;
    list-style-type: disc; /* O un'icona svg custom */
    color: #555;
}

/* --- CITIES GRID (Zone operative) --- */
.cities-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-top: 30px;
}

.city-tag {
    background: #fff;
    border: 1px solid #ddd;
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 0.9rem;
    color: #666;
    transition: all 0.3s;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.city-tag:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 10px rgba(0,0,0,0.1);
}

/* --- ROW FLEX (Testo + Immagine) --- */
.row-flex {
    display: flex;
    align-items: center;
    gap: 40px;
}

.col-text { flex: 1; }
.col-img { flex: 1; }

.img-responsive {
    max-width: 100%;
    height: auto;
}

.rounded { border-radius: 12px; }
.shadow { box-shadow: 0 10px 30px rgba(0,0,0,0.1); }

/* Mobile */
@media (max-width: 768px) {
    .row-flex {
        flex-direction: column;
    }
    .hero-local {
        text-align: center;
        padding: 80px 0;
    }
}

/* --- SERVIZI STYLE --- */

/* Classe per invertire l'ordine su Desktop (Testo a SX, Img a DX e viceversa) */
.row-reverse {
    flex-direction: row-reverse;
}

/* Liste specifiche tecniche */
.tech-spec-list {
    margin-top: 20px;
    background: #fff;
    padding: 20px;
    border-left: 4px solid var(--primary-color);
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.tech-spec-list li {
    margin-bottom: 10px;
    color: #444;
}

/* Box per il Report Tecnico */
.report-box {
    border: 2px dashed var(--primary-color);
    padding: 40px;
    border-radius: 12px;
    background-color: #fcfcfc;
    max-width: 800px;
    margin: 0 auto;
}

.report-box h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

.simple-list {
    list-style-type: none; /* Rimuoviamo i bullet standard */
    padding: 0;
    margin-bottom: 20px;
}

.simple-list li {
    margin-bottom: 10px;
    font-size: 1.1rem;
}

/* Responsive adjustment per row-reverse */
@media (max-width: 768px) {
    .row-reverse {
        flex-direction: column; /* Su mobile tornano tutti in colonna normale */
    }
}

/* --- PAGINA CONTATTI --- */

/* Wrapper Griglia */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

/* Colonna Info */
.info-item {
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid #eee;
}

.info-item h3 {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 5px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.phone-link {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
    display: inline-block;
    margin: 5px 0;
}

.phone-link:hover { color: var(--secondary-color); }

.email-link {
    font-size: 1.2rem;
    color: #333;
    font-weight: 500;
}

.area-list {
    margin-top: 10px;
    padding-left: 20px;
}

.area-list li {
    list-style-type: square;
    margin-bottom: 5px;
}

/* Colonna Form */
.contact-form-box {
    background: #fff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    border-top: 5px solid var(--accent-color);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #333;
}

.form-style input[type="text"],
.form-style input[type="tel"],
.form-style input[type="email"],
.form-style textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-style input:focus,
.form-style textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 5px rgba(0, 123, 255, 0.2);
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
}
.checkbox-group input { width: auto; }
.checkbox-group label { margin-bottom: 0; font-weight: normal; }
.checkbox-group a { text-decoration: underline; color: var(--primary-color); }

.btn-submit {
    background: var(--primary-color);
    color: #fff;
    border: none;
    padding: 15px 30px;
    font-size: 1.1rem;
    font-weight: bold;
    border-radius: 6px;
    cursor: pointer;
    width: 100%;
    transition: background 0.3s;
}

.btn-submit:hover {
    background: var(--secondary-color);
}

/* Stile Mappa Statica */
.map-link {
    display: block;
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    overflow: hidden;
    border-radius: 12px;
}

.map-image {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s;
}

.map-link:hover .map-image {
    transform: scale(1.02);
}

.map-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #fff;
    padding: 10px 20px;
    border-radius: 30px;
    font-weight: bold;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    color: #333;
}

/* Responsive */
@media (max-width: 768px) {
    .contact-wrapper {
        grid-template-columns: 1fr; /* Colonna singola su mobile */
        gap: 40px;
    }
    
    .contact-form-box {
        padding: 25px;
    }
    
    .phone-link { font-size: 1.6rem; }
}

/* Stile per le pagine legali */
.terms-content h3 {
    margin-top: 30px;
    margin-bottom: 10px;
    color: #333;
    border-left: 4px solid var(--primary-color);
    padding-left: 10px;
}

.terms-content ul {
    margin-bottom: 20px;
    padding-left: 20px;
}

.terms-content ul li {
    list-style-type: disc;
    margin-bottom: 5px;
    color: #555;
}