/* =========================================
   VARIABILI WCAG ACCESSIBILI E TEMI
   ========================================= */
:root {
    --bg: #111827;
    --card-bg: #1F2937;
    --accent: #3B82F6;
    --text: #F8FAFC;
    --text-dim: #9CA3AF;
    --nav-bg: rgba(17, 24, 39, 0.95);
    --gradient: linear-gradient(135deg, #3B82F6 0%, #06B6D4 100%);
    --shadow: rgba(0, 0, 0, 0.3);
}

body.light-mode {
    --bg: #F8FAFC;
    --card-bg: #FFFFFF;
    --accent: #2563EB;
    --text: #111827;
    --text-dim: #4B5563;
    --nav-bg: rgba(248, 250, 252, 0.95);
    --shadow: rgba(0, 0, 0, 0.05);
    --gradient: linear-gradient(135deg, #2563EB 0%, #0284C7 100%);
}

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

/* FIX SCOLL LATERALE: Mantiene la pagina bloccata senza bug su PC */
html, body {
    overflow-x: hidden;
    position: relative;
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: 'Outfit', sans-serif;
    line-height: 1.6;
    scroll-behavior: smooth;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* FIX MARGINI LATERALI: Usiamo la larghezza in percentuale */
.container { 
    width: 88%; 
    max-width: 1200px; 
    margin: 0 auto; 
}

/* =========================================
   HEADER & NAVBAR
   ========================================= */
.main-header { 
    padding: 20px 0; 
    border-bottom: 1px solid rgba(255,255,255,0.05);
    background: var(--nav-bg);
    backdrop-filter: blur(10px);
    position: sticky; top: 0; z-index: 1000;
}

nav { display: flex; justify-content: space-between; align-items: center; }

.brand { font-size: 2rem; font-weight: 900; color: var(--text); text-decoration: none; letter-spacing: -1px; }
.brand span { color: var(--accent); }

.nav-links { list-style: none; display: flex; gap: 40px; align-items: center; }
.nav-links a { text-decoration: none; color: var(--text-dim); font-weight: 600; transition: color 0.3s ease; }
.nav-links a:hover { color: var(--text); }

.menu-btn, .theme-btn {
    background: none; border: none; color: var(--text);
    font-size: 1.4rem; cursor: pointer; display: flex; align-items: center;
    transition: transform 0.2s ease, color 0.3s ease;
}

.menu-btn { display: none; } /* Nascosto su desktop */

.theme-btn:hover { transform: scale(1.1); color: var(--accent); }

.btn-collab { 
    background: var(--gradient); color: white !important; 
    padding: 10px 25px; border-radius: 50px; 
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.btn-collab:hover { transform: translateY(-2px); box-shadow: 0 5px 15px rgba(46, 111, 242, 0.4); }

/* =========================================
   HERO SECTION
   ========================================= */
.hero-section { padding: 120px 0; }

.gradient-text { 
    font-size: 4.5rem; font-weight: 900; line-height: 1.1; 
    margin-bottom: 30px; background: var(--gradient); 
    -webkit-background-clip: text; background-clip: text; color: transparent; 
}

.hero-text p { font-size: 1.4rem; color: var(--text-dim); max-width: 650px; margin-bottom: 40px; }

.status-box { 
    display: inline-flex; align-items: center; gap: 10px; 
    background: var(--card-bg); padding: 10px 20px; border-radius: 50px; 
    font-weight: 600; box-shadow: 0 5px 15px var(--shadow);
}

.dot { 
    width: 10px; height: 10px; background: #00ff88; border-radius: 50%; 
    box-shadow: 0 0 10px #00ff88; animation: pulse 2s infinite; 
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }

/* =========================================
   SEZIONI COMUNI E GRIGLIE
   ========================================= */
.vision-section, .project-detail { padding: 80px 0; }
.line { width: 60px; height: 4px; background: var(--gradient); border-radius: 2px; margin: 15px 0 30px 0; }
.large-p { font-size: 1.3rem; color: var(--text-dim); max-width: 800px; line-height: 1.6; }

.benefits-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; margin-top: 50px; }
.benefit-card { background: var(--card-bg); padding: 30px; border-radius: 20px; border: 1px solid rgba(255,255,255,0.05); box-shadow: 0 10px 30px var(--shadow); }
.benefit-card i { font-size: 2rem; color: var(--accent); margin-bottom: 20px; }
.benefit-card h3 { margin-bottom: 10px; font-size: 1.3rem; }
.benefit-card p { color: var(--text-dim); font-size: 0.95rem; }

.cta-section { padding: 50px 0 100px 0; }
.cta-flex { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }

.cta-card { 
    background: var(--card-bg); padding: 50px; border-radius: 24px; 
    border: 1px solid rgba(255,255,255,0.05); box-shadow: 0 10px 30px var(--shadow); transition: transform 0.3s ease;
}
.cta-card:hover { transform: translateY(-5px); }
.cta-card.highlight { background: var(--gradient); border: none; color: white; }
.cta-card.highlight p { color: rgba(255, 255, 255, 0.9); }
.cta-card h3 { font-size: 1.8rem; margin-bottom: 15px; }
.cta-card p { color: var(--text-dim); font-size: 1.1rem; }

.btn-outline { display: inline-block; margin-top: 20px; border: 1px solid var(--text); color: var(--text); padding: 12px 30px; border-radius: 12px; text-decoration: none; font-weight: 700; transition: background 0.3s ease, color 0.3s ease; }
.btn-outline:hover { background: var(--text); color: var(--bg); }
.btn-solid { display: inline-block; margin-top: 20px; background: white; color: var(--accent); padding: 12px 30px; border-radius: 12px; text-decoration: none; font-weight: 700; transition: transform 0.3s ease; }
.btn-solid:hover { transform: scale(1.05); }

.team-section { padding: 50px 0 100px 0; }
.team-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 40px; margin-top: 50px; }

.member-card { 
    background: var(--card-bg); padding: 50px 40px; border-radius: 20px; text-align: center; 
    border: 1px solid rgba(255,255,255,0.02); box-shadow: 0 10px 30px var(--shadow); transition: transform 0.3s ease, box-shadow 0.3s ease; 
}
.member-card:hover { transform: translateY(-10px); box-shadow: 0 20px 40px rgba(0,0,0,0.4); border-color: rgba(255,255,255,0.1); }

.member-info h3 { font-size: 1.8rem; margin-bottom: 5px; }
.member-info span { color: var(--accent); font-weight: 700; text-transform: uppercase; font-size: 0.85rem; letter-spacing: 1.5px; }
.member-social { display: flex; justify-content: center; gap: 25px; margin-top: 30px; }
.member-social a { color: var(--text-dim); font-size: 1.5rem; transition: color 0.3s ease, transform 0.3s ease; }
.member-social a:hover { color: var(--accent); transform: translateY(-3px); }

footer { padding: 40px 0; text-align: center; color: var(--text-dim); border-top: 1px solid rgba(255,255,255,0.05); }

/* =========================================
   MEDIA QUERIES PER TABLET E SMARTPHONE
   ========================================= */
@media (max-width: 850px) {
    .menu-btn { display: block; } 
    
    .nav-links {
        position: fixed; 
        top: 75px; 
        right: 0; /* Ancorato a destra */
        transform: translateX(100%); /* Spostato visivamente fuori schermo */
        width: 100%; 
        height: calc(100vh - 75px);
        background: var(--bg); /* Sfondo pieno, risolve il testo che si sovrappone */
        flex-direction: column; 
        justify-content: flex-start;
        padding: 40px 20px; 
        transition: transform 0.4s ease-in-out; /* Animazione pulita sulla scheda video */
        z-index: 999; 
        border-top: 1px solid rgba(255,255,255,0.05);
    }
    
    .nav-links li { margin-bottom: 20px; }
    
    .nav-links.active { 
        transform: translateX(0); /* Lo riporta perfettamente dentro lo schermo */
    }

    .hero-section { text-align: center; padding: 60px 0; }
    .hero-text p { margin: 0 auto 30px; }
    .status-box { justify-content: center; }
}

@media (max-width: 768px) {
    .gradient-text { font-size: 2.2rem; }
    .hero-text p { font-size: 1.1rem; }
    .section-title h2 { font-size: 2rem; }
    .large-p { font-size: 1.1rem; }
    
    .cta-card { padding: 30px 20px; }
    .cta-card h3 { font-size: 1.5rem; }
    
    .member-card { padding: 30px 20px; }
    .member-info h3 { font-size: 1.5rem; }
    
    .benefit-card { padding: 25px 20px; }
    
    .cta-flex, .team-grid, .benefits-grid { grid-template-columns: 1fr; gap: 20px; }
}