/* ═══ NetLab Academy — Shared CSS ═══════════════════════════════════
   Include in ogni pagina: <link rel="stylesheet" href="shared.css">
   Poi aggiungi solo CSS specifico della pagina.
   ═══════════════════════════════════════════════════════════════════ */

/* ─── RESET & VARIABLES ───────────────────────────────────────── */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#050a12;--bg2:#0a1628;--surface:#111d33;--surface2:#162744;
  --border:#1a2d4d;--border2:#243a5c;
  --accent:#00e5ff;--accentDim:#0097a7;--accentGlow:rgba(0,229,255,0.12);
  --green:#00e676;--greenGlow:rgba(0,230,118,0.12);
  --orange:#ff9100;--orangeGlow:rgba(255,145,0,0.12);
  --purple:#b388ff;--purpleGlow:rgba(179,136,255,0.12);
  --red:#ff5252;--redGlow:rgba(255,82,82,0.12);
  --yellow:#ffd740;--yellowGlow:rgba(255,215,64,0.12);
  --text:#e8edf5;--textDim:#8899b5;--textMuted:#5a6d8a;
  --fDisplay:'Outfit',sans-serif;--fBody:'Outfit',sans-serif;--fMono:'JetBrains Mono',monospace;
}
body{background:var(--bg);color:var(--text);font-family:var(--fBody);line-height:1.6}

/* ─── HEADER ──────────────────────────────────────────────────── */
.nl-header{background:var(--bg2);border-bottom:1px solid var(--border);padding:14px 20px;position:sticky;top:0;z-index:50;backdrop-filter:blur(20px)}
.nl-header-inner{max-width:1100px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}
.nl-logo{font-family:var(--fDisplay);font-weight:800;font-size:18px;cursor:pointer;user-select:none}
.nl-logo span{color:var(--green)}
.nl-logo-sub{color:var(--textMuted);font-weight:400;font-size:13px;margin-left:6px}
.nl-back-btn{background:var(--surface);border:1px solid var(--border);border-radius:6px;padding:6px 14px;color:var(--textDim);font-size:12px;font-family:var(--fBody);cursor:pointer;text-decoration:none;transition:all 0.2s;display:inline-flex;align-items:center;gap:4px}
.nl-back-btn:hover{border-color:var(--green);color:var(--text)}

/* ─── FOOTER ──────────────────────────────────────────────────── */
.nl-footer{background:var(--bg2);border-top:1px solid var(--border);padding:24px 20px;margin-top:40px;text-align:center}
.nl-footer-inner{max-width:1100px;margin:0 auto;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px}
.nl-footer-brand{font-family:var(--fDisplay);font-weight:700;font-size:14px}
.nl-footer-brand span{color:var(--green)}
.nl-footer-links{display:flex;gap:16px;flex-wrap:wrap}
.nl-footer-links a{color:var(--textMuted);font-size:12px;text-decoration:none;transition:color 0.2s}
.nl-footer-links a:hover{color:var(--text)}
.nl-footer-copy{color:var(--textMuted);font-size:11px;width:100%;margin-top:8px}

/* ─── WRAP ────────────────────────────────────────────────────── */
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}

/* ─── TABS ────────────────────────────────────────────────────── */
.tabs{display:flex;gap:4px;background:var(--surface);border-radius:10px;padding:4px;margin:24px 0;width:fit-content;flex-wrap:wrap}
.tab{padding:9px 20px;border-radius:8px;font-size:13px;font-weight:600;color:var(--textMuted);cursor:pointer;transition:all 0.2s}
.tab.active{background:var(--green);color:var(--bg)}.tab:hover:not(.active){color:var(--text)}
.tab.pro-tab{position:relative}.tab.pro-tab::after{content:'PRO';position:absolute;top:-6px;right:-6px;background:var(--orange);color:#fff;font-size:8px;font-weight:800;padding:1px 5px;border-radius:3px}

/* ─── SECTIONS ────────────────────────────────────────────────── */
.section{display:none;padding-bottom:40px}.section.active{display:block}
.section-title{font-family:var(--fDisplay);font-weight:800;font-size:26px;margin:24px 0 8px}
.section-sub{color:var(--textDim);font-size:14px;margin-bottom:24px}

/* ─── SLIDES ──────────────────────────────────────────────────── */
.slide-nav{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;gap:8px;flex-wrap:wrap}
.slide-counter{font-family:var(--fMono);font-size:13px;color:var(--textDim)}
.slide-dots{display:flex;gap:6px}
.slide-dot{width:10px;height:10px;border-radius:50%;background:var(--border);cursor:pointer;transition:all 0.2s}
.slide-dot.active{background:var(--green);box-shadow:0 0 8px rgba(0,230,118,0.3)}.slide-dot.visited{background:#00a152}
.slide-btn{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:8px 18px;color:var(--textDim);font-size:13px;font-weight:600;cursor:pointer;font-family:var(--fBody);transition:all 0.2s}
.slide-btn:hover{border-color:var(--green);color:var(--text)}.slide-btn.primary{background:var(--green);color:var(--bg);border-color:var(--green)}

/* ─── CARDS ───────────────────────────────────────────────────── */
.card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:24px;margin-bottom:16px}
.card h3{font-family:var(--fDisplay);font-weight:700;font-size:18px;margin-bottom:10px}
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px}
.detail-grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin-top:12px}
@media(max-width:650px){.detail-grid{grid-template-columns:1fr}}
.detail-box{background:var(--bg2);border:1px solid var(--border);border-radius:8px;padding:14px}
.detail-box-title{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:0.8px;margin-bottom:6px}
.detail-box-content{font-size:13px;color:var(--textDim);line-height:1.7}
.note-box{background:var(--greenGlow);border:1px solid rgba(0,230,118,0.3);border-radius:10px;padding:14px 18px;font-size:13px;line-height:1.7;margin:12px 0}
.note-box.orange{background:var(--orangeGlow);border-color:rgba(255,145,0,0.3)}

/* ─── BUTTONS ─────────────────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:8px;font-size:14px;font-weight:600;font-family:var(--fBody);cursor:pointer;transition:all 0.2s;border:none}
.btn-primary{background:var(--green);color:var(--bg)}
.btn-secondary{background:var(--surface);color:var(--text);border:1px solid var(--border)}

/* ─── TABLE ───────────────────────────────────────────────────── */
.comp-table{width:100%;border-collapse:collapse;margin:16px 0}
.comp-table th{padding:10px 8px;font-size:11px;font-family:var(--fDisplay);text-transform:uppercase;letter-spacing:0.8px;border-bottom:2px solid var(--border2);text-align:left;color:var(--green)}
.comp-table td{padding:10px 8px;font-size:13px;border-bottom:1px solid var(--border);color:var(--textDim)}
.comp-table tr:hover td{background:rgba(0,230,118,0.03)}

/* ─── PRO LOCK ────────────────────────────────────────────────── */
.pro-lock{position:relative;min-height:300px}
.pro-content{position:relative;z-index:1}
.pro-lock:not(.unlocked) .pro-content{opacity:0.15;pointer-events:none;filter:blur(2px)}
.pro-lock.unlocked .pro-lock-overlay{display:none!important}
.pro-lock.unlocked .pro-content{opacity:1;pointer-events:all;filter:none}
.pro-lock-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(180deg,transparent 0%,rgba(5,10,18,0.7) 30%,rgba(5,10,18,0.95) 60%);z-index:10;display:flex;flex-direction:column;align-items:center;justify-content:center;border-radius:14px;text-align:center;padding:40px 20px}
.pro-lock-icon{font-size:48px;margin-bottom:12px}
.pro-lock-title{font-family:var(--fDisplay);font-weight:800;font-size:22px;margin-bottom:6px}
.pro-lock-desc{color:var(--textDim);font-size:14px;margin-bottom:20px;max-width:400px;line-height:1.6}
.pro-lock-btn{background:linear-gradient(135deg,var(--orange),#e65100);color:#fff;padding:14px 32px;border-radius:10px;font-size:15px;font-weight:700;font-family:var(--fBody);border:none;cursor:pointer;transition:all 0.2s;box-shadow:0 4px 20px rgba(255,145,0,0.3)}
.pro-lock-btn:hover{transform:translateY(-2px);box-shadow:0 6px 24px rgba(255,145,0,0.4)}
.pro-lock-features{display:flex;gap:16px;margin-top:16px;flex-wrap:wrap;justify-content:center}
.pro-lock-feat{font-size:12px;color:var(--textDim)}

/* ─── ADMIN BADGE ─────────────────────────────────────────────── */
.nl-admin-badge{position:fixed;bottom:16px;right:16px;background:linear-gradient(135deg,var(--orange),#e65100);color:#fff;padding:8px 16px;border-radius:8px;font-size:12px;font-weight:700;font-family:var(--fDisplay);z-index:100;box-shadow:0 4px 16px rgba(255,145,0,0.4);display:none;cursor:pointer;user-select:none;transition:all 0.2s}
.nl-admin-badge:hover{transform:scale(1.05)}
.nl-admin-badge.show{display:flex;align-items:center;gap:6px}