/* ======================= RESET BASE E STILI GLOBALI ======================= */
:root {
    --font-primary: 'Montserrat', sans-serif;
    --font-secondary: 'Open Sans', sans-serif;
    --color-brand-blue: #00A0DF; /* COLORE BLU DEL TUO LOGO - REGOLA QUESTO! (Esempio: Blu "archit.ooo") */

    --color-primary: var(--color-brand-blue); 
    --color-primary-dark: color-mix(in srgb, var(--color-brand-blue) 80%, black);
    --color-accent: #FF6F00; 
    --color-accent-dark: #C43E00;
    --color-light: #FFFFFF;
    --color-dark: #212121;
    --color-text: #424242;
    --color-text-muted: #757575;
    --color-bg-light: #F5F5F5;
    --color-bg-alt: color-mix(in srgb, var(--color-brand-blue) 10%, white 90%); /* Blu molto tenue per sezioni alternate */
    --color-border: #BDBDBD;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.12);
    --border-radius: 6px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: var(--font-secondary);
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-light);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
img, video { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
a { text-decoration: none; color: var(--color-primary); transition: color 0.2s ease-in-out; }
a:hover { color: var(--color-primary-dark); }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-primary); font-weight: 700; color: var(--color-dark); line-height: 1.3; margin-bottom: 0.75em; }
h1 { font-size: 3rem; } h2 { font-size: 2.5rem; } h3 { font-size: 1.75rem; } h4 { font-size: 1.25rem; }
.container { width: 90%; max-width: 1140px; margin-left: auto; margin-right: auto; padding-left: 15px; padding-right: 15px; }
.section-padding { padding: 80px 0; }
@media (max-width: 768px) { .section-padding { padding: 60px 0; } }
.section-title { text-align: center; margin-bottom: 25px; font-weight: 700; }
.section-subtitle { text-align: center; font-size: 1.15rem; color: var(--color-text-muted); margin-bottom: 60px; max-width: 750px; margin-left: auto; margin-right: auto; font-weight: 400; }
.button { display: inline-block; background-color: var(--color-accent); color: var(--color-light); padding: 14px 30px; border-radius: var(--border-radius); font-weight: 500; font-family: var(--font-primary); text-transform: uppercase; letter-spacing: 0.5px; border: none; cursor: pointer; box-shadow: var(--shadow-sm); transition: background-color 0.2s ease-in-out, transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out; }
.button:hover, .button:focus { background-color: var(--color-accent-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); color: var(--color-light); }

/* ======================= HEADER (Hero e Pagine Interne) ======================= */
#hero, #page-header-internal { position: relative; }
#hero { /* Solo per la Hero Page */
    height: 100vh; 
    min-height: 650px; 
    color: var(--color-light); 
    display: flex; 
    flex-direction: column; 
    overflow: hidden; 
}
.video-background-hero { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 0; }
.video-background-hero video { width: 100%; height: 100%; object-fit: cover; }
#hero::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(to bottom, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.25) 50%, rgba(0,0,0,0.7) 100%); z-index: 1; } /* Overlay per video Hero */

#page-header-internal .header-container { /* Stile specifico per l'header delle pagine interne se necessario, altrimenti eredita da .header-container */
    /* Se l'header interno non è "fixed" ma statico, rimuovi position:fixed e aggiungi padding al main */
}

.header-container { /* Barra di navigazione fissa, comune a tutti gli header */
    display: flex;
    align-items: center;
    padding: 15px 4%;
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000; 
    background-color: rgba(255, 255, 255, 0.85); /* Bianco traslucido per tutte le pagine */
    box-shadow: var(--shadow-sm);
    transition: background-color 0.3s ease, padding 0.3s ease, box-shadow 0.3s ease;
}
.header-container.scrolled {
    background-color: rgba(255, 255, 255, 0.95); 
    padding: 10px 4%;
    box-shadow: var(--shadow-md);
}

.logo { flex-shrink: 0; display: inline-block; /* Rimosso padding per saponetta */ }
.logo img { height: 70px; display: block; transition: height 0.3s ease; } /* Altezza logo ingrandita */
.header-container.scrolled .logo img { height: 55px; } /* Altezza logo allo scroll ingrandita */

.main-menu { margin-left: auto; margin-right: 30px; }
.main-menu ul { display: flex; }
.main-menu ul li { margin-left: 28px; }
.main-menu ul li a { color: var(--color-dark); font-weight: 500; font-family: var(--font-primary); padding: 8px 0; position: relative; text-transform: uppercase; font-size: 0.9rem; letter-spacing: 0.5px; transition: color 0.2s ease; }
.main-menu ul li a:hover { color: var(--color-primary); }
.main-menu ul li a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background-color: var(--color-primary); transition: width 0.3s ease; }
.main-menu ul li a:hover::after, .main-menu ul li a.active::after { width: 100%; }

.language-switcher { color: var(--color-dark); font-size: 0.9rem; font-family: var(--font-primary); font-weight: 500; flex-shrink: 0; }
.language-switcher a, .language-switcher span { margin-left: 8px; padding: 5px 8px; border-radius: 4px; transition: background-color 0.2s ease, color 0.2s ease; color: var(--color-text-muted); }
.language-switcher a:hover { background-color: rgba(0,0,0,0.05); color: var(--color-primary); }
.language-switcher .current-lang { font-weight: 700; color: var(--color-primary); border: 1px solid var(--color-primary); padding: 5px 8px; }

.mobile-menu-toggle { display: none; background: none; border: none; color: var(--color-dark); font-size: 2.2rem; cursor: pointer; z-index: 1001; margin-left: auto; }

.hero-content { text-align: center; margin: auto; position: relative; z-index: 2; padding: 20px; max-width: 850px; }
.hero-content h1 { font-size: clamp(2.5rem, 5.5vw, 4rem); font-weight: 700; margin-bottom: 20px; text-transform: uppercase; letter-spacing: 1.5px; color: var(--color-light); text-shadow: 1px 1px 3px rgba(0,0,0,0.3); }
.hero-content .hero-subtitle { font-size: clamp(1.1rem, 2.8vw, 1.5rem); margin-bottom: 30px; font-weight: 400; color: #f0f0f0; line-height: 1.6; text-shadow: 1px 1px 2px rgba(0,0,0,0.2); }
.hero-content .hero-sub-options { font-size: 1rem; font-weight: 500; font-family: var(--font-primary); margin-bottom: 30px; letter-spacing: 1px; color: var(--color-accent); text-transform: uppercase; }
.scroll-down-button { display: inline-block; margin-top: 20px; color: var(--color-light); animation: bounce 2s infinite; padding: 10px; border-radius: 50%; transition: background-color 0.2s ease; }
.scroll-down-button svg { width: 35px; height: 35px; display: block; }
@keyframes bounce { 0%, 20%, 50%, 80%, 100% { transform: translateY(0); } 40% { transform: translateY(-12px); } 60% { transform: translateY(-6px); } }

/* ======================= STILI PER PAGINE LEGALI / CONTENUTO ======================= */
.page-content {
    padding-top: 120px; /* Spazio per l'header fisso. Regola se l'altezza dell'header cambia */
}
/* Titolo H1 per pagine legali e altre pagine interne */
.page-content > .container > h1 { 
    font-size: 2.5rem;
    color: var(--color-primary-dark);
    margin-bottom: 40px; /* Più spazio sotto l'H1 principale della pagina */
    text-align: center;
    border-bottom: 2px solid var(--color-bg-alt);
    padding-bottom: 20px;
}
.page-content article h2 { font-size: 1.8rem; color: var(--color-primary-dark); margin-top: 40px; margin-bottom: 20px; border-bottom: 1px solid var(--color-border); padding-bottom: 10px; }
.page-content article h2:first-of-type { margin-top: 0; }
.page-content article h3 { font-size: 1.4rem; color: var(--color-dark); margin-top: 30px; margin-bottom: 15px; }
.page-content article p, .page-content article ul, .page-content article ol { margin-bottom: 1.2em; line-height: 1.8; }
.page-content article ul, .page-content article ol { padding-left: 30px; }
.page-content article ul li { list-style-type: disc; margin-bottom: 0.5em; }
.page-content article ol li { list-style-type: decimal; margin-bottom: 0.5em; }
.page-content article strong { font-weight: 600; }
.page-content article a { text-decoration: underline; }
.page-content article a:hover { text-decoration: none; }

/* ======================= SEZIONI GENERICHE (PERCHE-EXPI4D, SOLUZIONI) ======================= */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; margin-top: 40px; }
.feature-item { text-align: center; padding: 30px 25px; background-color: var(--color-light); border-radius: var(--border-radius); box-shadow: var(--shadow-sm); transition: transform 0.3s ease, box-shadow 0.3s ease; }
.feature-item:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.feature-icon { width: 55px; height: 55px; margin-bottom: 25px; }
.feature-item h3 { font-size: 1.5rem; margin-bottom: 15px; color: var(--color-primary); }
.feature-item p { font-size: 0.95rem; color: var(--color-text-muted); line-height: 1.6; }
.solution-item .solution-benefit { font-style: italic; font-size: 0.9rem; color: var(--color-primary-dark); margin-top: 15px; }
.section-note { text-align: center; margin-top: 40px; font-size: 0.9rem; color: var(--color-text-muted); }

/* ======================= FUNZIONALITÀ CHIAVE (ALT-BG) ======================= */
.alt-bg { background-color: var(--color-bg-alt); }
.alt-bg .section-title, .alt-bg .text-content h3, .alt-bg .services-list-container h4 { color: var(--color-primary-dark); }
.alt-bg .section-subtitle, .alt-bg .text-content p, .alt-bg .services-list-container ul li { color: var(--color-text); }
.alt-bg .services-list-container ul li::before { color: var(--color-accent); }
.content-columns { display: flex; flex-wrap: wrap; gap: 40px; align-items: flex-start; }
.content-columns .text-content, .content-columns .services-list-container { flex: 1; min-width: 300px; }
.text-content h3 { font-size: 1.8rem; margin-bottom: 20px; }
.text-content p { margin-bottom: 15px; }
.text-content strong { font-weight: 600; color: var(--color-dark); }
.services-list-container h4 { font-size: 1.5rem; margin-bottom: 20px; }
.services-list-container ul li { margin-bottom: 10px; padding-left: 25px; position: relative; font-size: 0.95rem; }
.services-list-container ul li::before { content: '✓'; position: absolute; left: 0; font-weight: bold; font-size: 1.1em; }

/* ======================= NUOVA SEZIONE VIDEO "COME FUNZIONA" ======================= */
#come-funziona-video .container.text-center { text-align: center; }
#come-funziona-video .section-subtitle { margin-bottom: 40px !important; }
.video-wrapper { margin-left: auto; margin-right: auto; max-width: 900px; background-color: #000; border-radius: var(--border-radius); box-shadow: var(--shadow-md); overflow: hidden; }
.video-wrapper video { display: block; width: 100%; height: auto; border-radius: var(--border-radius); }
.responsive-video-wrapper { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; }
.responsive-video-wrapper video { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: none; }

/* ======================= SEZIONI CTA ======================= */
.cta-section { text-align: center; color: var(--color-dark); }
.cta-section.alt-bg { background-color: var(--color-primary); color: var(--color-light); }
.cta-section.alt-bg h2, .cta-section.alt-bg p { color: var(--color-light); }
.cta-section.alt-bg .button { background-color: var(--color-light); color: var(--color-primary); }
.cta-section.alt-bg .button:hover { background-color: #e0e0e0; color: var(--color-primary-dark); }
.cta-section h2 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); margin-bottom: 20px; }
.cta-section p { font-size: 1.1rem; margin-bottom: 35px; max-width: 650px; margin-left: auto; margin-right: auto; }
.cta-section:not(.alt-bg) p { color: var(--color-text-muted); }

/* ======================= CONTATTI ======================= */
.contact-container { display: flex; flex-wrap: wrap; gap: 40px; }
#contact-form { flex: 2; min-width: 320px; }
.contact-info { flex: 1; min-width: 300px; padding: 35px; background-color: var(--color-bg-light); border-radius: var(--border-radius); box-shadow: var(--shadow-sm); }
.contact-info h3 { font-size: 1.6rem; margin-bottom: 20px; color: var(--color-primary); }
.contact-info p { margin-bottom: 12px; line-height: 1.6; }
.contact-info strong { color: var(--color-dark); }
.contact-info h4 { margin-top: 25px; margin-bottom: 8px; font-size: 1.1rem; color: var(--color-dark); }
.form-group { margin-bottom: 25px; }
.form-group label { display: block; margin-bottom: 8px; font-weight: 600; font-size: 0.9rem; color: var(--color-dark); }
.form-group input[type="text"], .form-group input[type="email"], .form-group textarea { width: 100%; padding: 14px 18px; border: 1px solid var(--color-border); border-radius: var(--border-radius); font-family: var(--font-secondary); font-size: 1rem; transition: border-color 0.2s ease, box-shadow 0.2s ease; }
.form-group input[type="text"]:focus, .form-group input[type="email"]:focus, .form-group textarea:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(0, 160, 223, 0.25); /* Usa il RGB di --color-brand-blue (es. #00A0DF), da aggiornare se cambi --color-brand-blue */ }
.form-group textarea { resize: vertical; min-height: 130px; }
.privacy-note { font-size: 0.85rem; color: var(--color-text-muted); margin-top: -10px; margin-bottom: 20px; }
#contact-form .button { width: auto; }

/* ======================= FOOTER ======================= */
footer { background-color: var(--color-dark); color: #a0a0a0; padding: 70px 0 30px 0; font-size: 0.9rem; }
.footer-content { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 40px; margin-bottom: 40px; align-items: flex-start; }
.footer-logo img { height: 40px; margin-bottom: 15px; opacity: 0.8; }
.footer-logo p, .footer-links h4, .footer-contact h4 { color: var(--color-light); font-family: var(--font-primary); margin-bottom: 15px; }
.footer-links a, .footer-contact a { display: block; margin-bottom: 10px; color: #c0c0c0; transition: color 0.2s ease, padding-left 0.2s ease; }
.footer-links a:hover, .footer-contact a:hover { color: var(--color-accent); padding-left: 5px; }
.copyright { text-align: center; padding-top: 30px; border-top: 1px solid #444; font-size: 0.85rem; color: #888; }
.copyright a { color: #aaa; text-decoration: underline; }
.copyright a:hover { color: var(--color-accent); }

/* ======================= MEDIA QUERIES PER RESPONSIVITÀ ======================= */
@media (max-width: 992px) { 
    .main-menu { margin-right: 20px; }
    .main-menu ul li { margin-left: 20px; }
    .language-switcher { margin-left: 20px; }
}
@media (max-width: 768px) { 
    .header-container { justify-content: space-between; }
    .logo img { height: 50px !important; } 
    .main-menu, .language-switcher { display: none; }
    .main-menu.active { display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; width: 100%; background-color: rgba(250, 250, 250, 0.98); padding: 15px 0; box-shadow: var(--shadow-md); border-top: 1px solid var(--color-border); }
    .main-menu.active ul { flex-direction: column; align-items: center; width: 100%; }
    .main-menu.active ul li { margin: 12px 0; margin-left: 0; }
    .main-menu.active ul li a { color: var(--color-dark); }
    .main-menu.active ul li a:hover { color: var(--color-primary); }
    .mobile-menu-toggle { display: block; margin-left: 0; }
    .hero-content h1 { font-size: clamp(2rem, 6vw, 2.8rem); }
    .content-columns, .contact-container { flex-direction: column; }
    .footer-content { flex-direction: column; align-items: center; text-align: center; }
    .footer-content > div { margin-bottom: 30px; width: 100%; }
    .page-content { padding-top: 90px; }
    .page-content > .container > h1 { font-size: 2rem; }
}
@media (max-width: 480px) { 
    .logo img { height: 45px !important; }
    .hero-content h1 { font-size: 1.8rem; }
    .hero-content .hero-subtitle { font-size: 0.95rem; }
    h2.section-title { font-size: 1.8rem; }
    .section-subtitle { font-size: 1rem; }
    .button { padding: 12px 25px; font-size: 0.9rem;}
    .page-content > .container > h1 { font-size: 1.8rem; }
}
/* ======================= AGGIUNGERE QUESTI STILI AL FILE style.css ======================= */

/* ----- Correzione per sovrapposizione Header e gestione ancoraggi ----- */
html {
    scroll-padding-top: 110px; /* Altezza approssimativa dell'header fisso (considera l'altezza maggiore) */
}

.page-title-section {
    padding-top: 120px; /* Spazio per l'header fisso su desktop */
    margin-bottom: 0; /* Rimuove il margin-bottom di default se la section-subtitle ha già il suo */
}

/* ----- Stili per la Griglia Portfolio ----- */
#portfolio-section {
    background-color: var(--color-bg-light); /* Un leggero sfondo per distinguere la sezione */
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* 3 colonne uguali per desktop */
    gap: 30px; /* Spazio tra gli elementi del portfolio */
}

.portfolio-item {
    background-color: var(--color-light);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden; /* Assicura che l'immagine rispetti i bordi arrotondati */
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex; /* Necessario per far sì che <a> interna occupi tutto lo spazio */
    flex-direction: column; /* Organizza gli elementi interni (immagine, contenuto) in colonna */
}

.portfolio-item a {
    text-decoration: none;
    color: inherit; /* Eredita il colore del testo dal genitore */
    display: flex;
    flex-direction: column;
    height: 100%; /* L'elemento <a> occupa tutta l'altezza del .portfolio-item */
}

.portfolio-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.portfolio-item-image {
    width: 100%;
    height: 220px; /* Altezza fissa per le immagini per un aspetto uniforme */
    object-fit: cover; /* Scala l'immagine per riempire lo spazio mantenendo le proporzioni */
    border-bottom: 3px solid var(--color-primary); /* Un piccolo accento di colore */
}

.portfolio-item-content {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1; /* Permette a questa sezione di crescere e occupare lo spazio disponibile */
}

.portfolio-item-title {
    font-size: 1.3rem; /* Dimensione del titolo dell'item */
    color: var(--color-dark);
    margin-bottom: 10px;
}

.portfolio-item-link {
    font-size: 0.95rem;
    color: var(--color-primary);
    font-weight: 500;
    text-decoration: none;
    margin-top: auto; /* Spinge il link verso il basso se c'è spazio extra */
    transition: color 0.2s ease;
}

.portfolio-item-link:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

/* ----- Media Queries per il layout responsive del portfolio e padding header ----- */

@media (max-width: 992px) { /* Tablet */
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr); /* 2 colonne per tablet */
    }
    html {
        scroll-padding-top: 90px; /* Adeguamento per header su tablet se diverso */
    }
}

@media (max-width: 768px) { /* Mobile */
    .page-title-section {
        padding-top: 90px; /* Spazio ridotto per l'header fisso su mobile */
    }
    html {
        scroll-padding-top: 80px; /* Adeguamento per header su mobile (l'altezza del logo si riduce) */
    }

    .portfolio-grid {
        grid-template-columns: 1fr; /* 1 colonna per mobile */
    }

    .portfolio-item {
        max-width: 380px; /* Limita la larghezza massima degli item su mobile */
        margin-left: auto;
        margin-right: auto;
    }
}

/* ======================= FINE DEGLI STILI AGGIUNTI ======================= */