/* SITO_GIONA/static/css/01_layout.css - LAYOUT & RESPONSIVE (Mobile-First V4) */

/* ===================================== */
/* 1. STILI BASE (DESKTOP)               */
/* ===================================== */

/* --- 1.1 NAV BAR & CTA --- */
.navbar {
    position: fixed; top: 0; left: 0; width: 100%; backdrop-filter: blur(15px);
    background-color: rgba(0, 0, 0, 0.7); border-bottom: 1px solid var(--color-glass-border);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.6); z-index: 1000; padding: 0.5rem 0;
    box-sizing: border-box;
}
.navbar .container {
    max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between;
    align-items: center; padding: 0 20px;
    box-sizing: border-box;
}
.logo { display: flex; align-items: center; text-decoration: none; }
.logo img { height: 50px; width: auto; }
.logo-text.large-logo-text {
    font-size: 1.4rem; font-weight: 700; margin-left: 10px;
    background: linear-gradient(90deg, var(--color-neon-blue) 0%, var(--color-neon-magenta) 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; text-shadow: 0 0 1px rgba(0, 0, 0, 0.5);
}
.nav-links { display: flex; align-items: center; }
.nav-link {
    color: var(--color-text-light); text-decoration: none; margin-left: 20px;
    transition: color 0.3s, text-shadow: 0.3s; font-weight: 400; font-size: 0.95rem;
    position: relative; padding-bottom: 5px;
}
.nav-link:hover { color: white; text-shadow: 0 0 5px var(--color-neon-magenta); }
.nav-link::after {
    content: ''; position: absolute; bottom: -8px; left: 50%; transform: translateX(-50%);
    width: 0; height: 2px; background: linear-gradient(90deg, var(--color-neon-blue), var(--color-neon-magenta));
    transition: width 0.3s ease-in-out;
}
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.cta-button {
    padding: 0.5rem 1.2rem; border-radius: 999px; font-weight: 600; text-decoration: none;
    background-color: rgba(0, 0, 0, 0.4); border: 1px solid var(--color-neon-magenta);
    color: var(--color-neon-magenta); box-shadow: 0 0 10px rgba(192, 96, 255, 0.3); transition: all 0.3s;
    white-space: nowrap;
}
.cta-button:hover {
    background-color: var(--color-neon-magenta); color: var(--color-dark-void);
    box-shadow: 0 0 15px var(--color-neon-magenta); transform: translateY(-2px);
}

/* --- 1.2 GRIGLIE BASE --- */
.process-grid, .pillars-grid {
    display: grid;
    /* Usa un minmax più restrittivo (300px desktop, ma più flessibile con auto-fit) */
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 3rem;
}

/* --- 1.3 FOOTER --- */
.footer {
    padding: 3rem 0; border-top: 1px solid rgba(255, 255, 255, 0.05); text-align: center; background-color: #000;
    width: 100%; box-sizing: border-box;
}
.footer-container {
    max-width: 1200px; margin: 0 auto; display: flex; flex-direction: column; align-items: center;
    padding: 0 20px; box-sizing: border-box;
}
.social-links { margin-bottom: 1.5rem; padding: 0 10px; }
.copyright { font-size: 0.8rem; color: #555; margin: 0; }
.social-icon-link { display: inline-block; margin: 0 15px; }
.social-icon { width: 24px; height: 24px; color: #555; transition: all 0.3s ease-in-out; }
.social-icon-link:hover .social-icon { color: var(--color-neon-blue); filter: drop-shadow(0 0 5px var(--color-neon-blue)); transform: scale(1.1); }

/* --- 1.4 CONTENITORI SEZIONI --- */
.section-content-max-width {
    max-width: 1400px; margin: 0 auto; padding: 0 20px; text-align: center; box-sizing: border-box;
}
.section-content-max-width h2 {
    text-align: center !important;
}
.full-width-section {
    width: 100%;
    /* Padding gestito in 00_global.css */
    position: relative; z-index: 2; overflow-x: hidden; box-sizing: border-box;
}


/* ===================================== */
/* 2. RESPONSIVE BREAKPOINTS (Mobile-First) */
/* ===================================== */

/* --- 1. TABLET/DESKTOP MEDIO (max-width 1024px) --- */
@media (max-width: 1024px) {
    /* Griglie diventano più flessibili */
    .process-grid, .pillars-grid {
        /* Permette a due colonne da 320px di stare affiancate */
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 25px;
    }
}

/* --- 2. MOBILE WIDE / TABLET PICCOLI (max-width 768px) --- */
@media (max-width: 768px) {
    /* Griglie a colonna singola */
     .process-grid, .pillars-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        max-width: 400px; /* Limita la larghezza delle card sul mobile */
        margin-left: auto;
        margin-right: auto;
    }

    /* Navbar: Nascondi link navigazione, usa CTA compatto */
     .navbar .nav-links { 
         display: none; 
     }
     .navbar .container { 
        padding: 0 4vw; /* Uso di VW */
     }

    /* Footer: Allinea al centro e riduci padding */
    .footer-container {
        padding: 0 4vw;
    }
}

/* --- 3. SMARTPHONE (max-width 600px) --- */
@media (max-width: 600px) {
    
    /* Navbar: Squeeze per lasciare spazio alla CTA */
    .navbar .container { 
        padding: 0 10px;
    }
    .logo img { 
        height: 35px; /* Leggermente più piccolo */
    }
    .logo-text.large-logo-text { 
        display: none; /* Nascondi il testo del logo su mobile stretto */
    }
    .cta-button { 
        padding: 0.3rem 0.6rem; 
        font-size: 0.7rem; /* CTA più piccola e compatta */
    }

    /* Griglie: Compressione orizzontale */
    .process-grid, .pillars-grid { gap: 15px; }

    /* Contenitori Sezioni */
     .section-content-max-width { padding: 0 15px; }
     .footer-container { padding: 0 15px; }
     .social-icon-link { margin: 0 8px; } /* Riduci margine tra le icone */
     .copyright { font-size: 0.7rem; }
}