/* -----------------------------------------------------------
   STYLE.CSS - BRAND IDENTITY NACU SRL
   Font Istituzionale: Space Mono (Google Fonts)
   Colori: Orange #ff4f3d | Black #171717 | White #f5f5f5
----------------------------------------------------------- */

/* Importazione diretta del font istituzionale da Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Space+Mono:ital,wght@0,400;0,700;1,400;1,700&display=swap');

/* Reset e Variabili di Design */
:root {
    --primary-orange: #ff4f3d;
    --brand-black: #171717;
    --brand-white: #f5f5f5;
    --pure-white: #ffffff;
    --font-main: 'Space Mono', monospace, sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--pure-white);
    color: var(--brand-black);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 0;
}

.text-center { text-align: center; }

/* -----------------------------------------------------------
   ELEMENTI DI INTERFACCIA (PULSANTI & ACCENTI)
----------------------------------------------------------- */

.btn {
    display: inline-block;
    padding: 14px 36px;
    font-family: var(--font-main);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none;
    border-radius: 0px; /* Layout geometrico/quadrato basato sul brand kit */
    font-weight: 700;
    transition: var(--transition-smooth);
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--primary-orange);
    color: var(--pure-white);
}

.btn-primary:hover {
    background-color: var(--brand-black);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--brand-black);
    border-color: var(--brand-black);
}

.btn-secondary:hover {
    background-color: var(--primary-orange);
    border-color: var(--primary-orange);
    color: var(--pure-white);
    transform: translateY(-2px);
}

/* Nasconde l'hamburger di base su desktop e tablet */
.hamburger-menu {
    display: none;
}

/* -----------------------------------------------------------
   1. HEADER & MENU DI NAVIGAZIONE
----------------------------------------------------------- */

.site-header {
    background-color: rgba(23, 23, 23, 0.98);
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    border-bottom: 3px solid var(--primary-orange);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo-img {
    height: 35px;
    display: block;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 35px;
    align-items: center;
}

.main-nav a {
    color: var(--brand-white);
    text-decoration: none;
    text-transform: uppercase;
    font-size: 13px;
    font-weight: 400;
    letter-spacing: 0.5px;
    transition: color 0.3s ease;
}

.main-nav a:hover {
    color: var(--primary-orange);
}

.main-nav a.nav-cta {
    border: 2px solid var(--primary-orange);
    padding: 8px 18px;
    color: var(--primary-orange);
    font-weight: 700;
}

.main-nav a.nav-cta:hover {
    background-color: var(--primary-orange);
    color: var(--pure-white);
}

/* -----------------------------------------------------------
   2. COVER HERO
----------------------------------------------------------- */

.hero-section {
    height: 100vh;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--pure-white);
    padding-top: 80px;
    text-align: center;
}

.hero-content {
    max-width: 900px;
}

.hero-content h1 {
    font-size: 3.2rem;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: -1px;
    line-height: 1.2;
}

.hero-tagline {
    font-size: 1.6rem;
    color: var(--primary-orange);
    margin-bottom: 45px;
    font-weight: 400;
}

/* -----------------------------------------------------------
   3. TESTO DI BENVENUTO CENTRALE
----------------------------------------------------------- */

.welcome-section {
    background-color: var(--brand-white);
    border-bottom: 1px solid #e5e5e5;
}

.section-subtitle {
    color: var(--primary-orange);
    text-transform: uppercase;
    font-size: 18px;
    letter-spacing: 3px;
    display: block;
    margin-bottom: 15px;
    font-weight: 700;
}

.welcome-section h2 {
    font-size: 2.4rem;
    font-weight: 700;
    margin-bottom: 35px;
    letter-spacing: -0.5px;
}

.welcome-text {
    max-width: 850px;
    margin: 0 auto;
    font-size: 1.1rem;
    color: #333333;
}

.welcome-text p {
    margin-bottom: 25px;
}

.welcome-text strong {
    color: var(--brand-black);
    font-weight: 700;
}

/* -----------------------------------------------------------
   4. ELENCO DEI SERVIZI (GRIGLIA MODULARE)
----------------------------------------------------------- */

.services-section h2 {
    font-size: 2.4rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.section-intro {
    margin-bottom: 60px;
    color: #666666;
    font-size: 1rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.service-card {
    background: var(--pure-white);
    border: 2px solid var(--brand-black); /* Richiamo geometrico forte */
    padding: 50px 35px;
    transition: var(--transition-smooth);
    text-align: center;
    position: relative;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-orange);
    box-shadow: 8px 8px 0px var(--brand-black); /* Effetto offset geometrico */
}

.service-icon {
    font-size: 45px;
    color: var(--primary-orange);
    margin-bottom: 25px;
}

.service-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.service-card p {
    font-size: 0.95rem;
    color: #444444;
}

/* -----------------------------------------------------------
   5. SEZIONE CON FRASE D'EFFETTO
----------------------------------------------------------- */

.effect-phrase-section {
    background-color: var(--brand-black);
    color: var(--pure-white);
    border-top: 4px solid var(--primary-orange);
    border-bottom: 4px solid var(--primary-orange);
    padding: 100px 0;
}

.brand-blockquote {
    font-size: 1.8rem;
    font-style: italic;
    max-width: 950px;
    margin: 0 auto;
    line-height: 1.5;
    color: var(--brand-white);
}

/* -----------------------------------------------------------
   6. SEZIONE CALL TO ACTION
----------------------------------------------------------- */

.cta-section {
    background-color: var(--brand-white);
    border-bottom: 8px solid var(--primary-orange);
    padding-top: 200px;
    padding-bottom: 200px;
}

.cta-section h2 {
    font-size: 2.6rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.cta-section p {
    font-size: 1.1rem;
    margin-bottom: 40px;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
    color: #333333;
}

/* -----------------------------------------------------------
   7. FOOTER
----------------------------------------------------------- */

.site-footer {
    background-color: var(--brand-black);
    color: #999999;
    font-size: 13px;;
}

.site-footer .container {
    padding-top: 60px;
    padding-bottom: 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 50px;
    border-bottom: 1px solid #2a2a2a;
    padding-bottom: 40px;
}

.footer-logo {
    height: 90px;
    margin-bottom: 20px;
}

.footer-brand p {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-grid h3 {
    color: var(--pure-white);
    margin-bottom: 25px;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
}

.footer-info p {
    margin-bottom: 10px;
}

.footer-info a {
    color: var(--primary-orange);
    text-decoration: none;
    font-weight: 700;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: #999999;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--primary-orange);
}

.footer-bottom {
    padding-top: 30px;
    padding-bottom: 25px;
    font-size: 11px;
    letter-spacing: 0.5px;
}

/* -----------------------------------------------------------
   RESPONSIVE DESIGN (OTTIMIZZAZIONE MOBILE)
----------------------------------------------------------- */
@media (max-width: 992px) {
    .hero-content h1 {
        font-size: 2.6rem;
    }
    .brand-blockquote {
        font-size: 1.5rem;
    }
}

@media (max-width: 768px) {
    .header-container {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        padding: 1px 0;
    }

    /* Rimpicciolisce il logo su mobile per farlo entrare nella barra sottile */
    .logo-img {
        height: 40px; 
        width: auto;
    }

    /* Adatta l'altezza del pulsante hamburger */
    .hamburger-menu {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        width: 20px;   
        height: 14px;  
        background: transparent;
        border: none;
        cursor: pointer;
        z-index: 1001;
    }

    .hamburger-menu span {
        width: 100%;
        height: 2px;   
        background-color: var(--pure-white); 
        transition: var(--transition-smooth);
    }

    /* Animazione dell'hamburger aperto */
    .hamburger-menu.open span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
        background-color: var(--primary-orange);
    }
    .hamburger-menu.open span:nth-child(2) {
        opacity: 0;
    }
    .hamburger-menu.open span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
        background-color: var(--primary-orange);
    }

    /* Gestione tendina menu mobile */
    .main-nav {
        display: none; 
        position: absolute;
        top: 100%; 
        left: 0;
        width: 100%;
        background-color: rgba(23, 23, 23, 0.98);
        border-bottom: 3px solid var(--primary-orange);
        padding: 20px 0;
    }

    .main-nav.active {
        display: block;  
    }

    .main-nav ul {
        flex-direction: column;
        align-items: center; 
        gap: 20px;
        padding: 10px 0;
    }

    .main-nav a {
        font-size: 16px; 
    }

    .main-nav a.nav-cta {
        display: inline-block;
        margin-top: 5px;
    }

    /* Elementi della pagina riproporzionati per mobile */
    .container { padding: 60px 0; }
    .hero-content h1 { font-size: 2rem; }
    .hero-tagline { font-size: 1.2rem; }
    .welcome-section h2, .services-section h2, .cta-section h2 { font-size: 1.8rem; }
    .brand-blockquote { font-size: 1.3rem; padding: 0 15px; }
    
    /* Forza la colonna singola SOLO su mobile */
    .services-grid { grid-template-columns: 1fr; }
} /* <--- LA MEDIA QUERY DEI 768px SI DEVE CHIUDERE QUI, ALLA FINE DI TUTTO IL BLOCCO MOBILE */