/* TecLab - CSS centralizzato */
:root{
  --bg:#0d1117;
  --bg-2:#161b22;
  --text:#f0f6fc;   /* brighter for better contrast */
  --muted:#c2cbd6;  /* lighter secondary text */
  --primary:#0ea5e9; /* cyan */
  --accent:#22c55e;  /* green */
  --danger:#ef4444;
  --radius:14px;
  --shadow:0 10px 30px rgba(0,0,0,.25);
}

*{box-sizing:border-box}
html,body{height:100%}
html{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica Neue, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color:var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(14,165,233,.10), transparent 60%),
    radial-gradient(1200px 600px at 110% 110%, rgba(34,197,94,.10), transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02)),
    var(--bg);
  position:relative;
  overflow-x:hidden;
}

body{ background: transparent; }

/* Neon grid background */
body::before{
  content:"";
  position:fixed; inset:-100px -100px; z-index:-1; pointer-events:none;
  background-image:
    linear-gradient(90deg, rgba(14,165,233,.15) 1px, transparent 1px),
    linear-gradient(0deg, rgba(14,165,233,.15) 1px, transparent 1px);
  background-size: 48px 48px, 48px 48px;
  box-shadow: inset 0 0 70px rgba(14,165,233,.18), inset 0 0 110px rgba(34,197,94,.16);
  -webkit-mask: radial-gradient(ellipse at 50% 20%, rgba(0,0,0,.85), transparent 70%);
          mask: radial-gradient(ellipse at 50% 20%, rgba(0,0,0,.85), transparent 70%);
  animation: gridFloat 18s linear infinite;
  z-index:0;
  mix-blend-mode: screen;
  opacity:.45; /* further reduce wash-out to keep text readable */
}

@keyframes gridFloat{ 0%{ transform: translateY(0) } 50%{ transform: translateY(15px) } 100%{ transform: translateY(0) } }

/* Layout */
.wrapper{
  display:flex;
  min-height:100dvh;
  position: relative;
  z-index: 1; /* ensure content paints above neon grid */
}
.sidebar{
  width:300px;
  background:linear-gradient(180deg, rgba(14, 165, 233, .10), rgba(34, 197, 94, .08)), var(--bg-2);
  border-right:1px solid rgba(255,255,255,.06);
  position:sticky;
  top:0;
  height:100dvh;
  padding:18px 14px;
}
.sidebar .brand{
  display:flex;align-items:center;gap:10px;
  font-weight:800;letter-spacing:.3px;
  color:var(--text);
}
.sidebar .brand .dot{width:10px;height:10px;border-radius:50%;background:var(--primary);box-shadow:0 0 20px var(--primary)}

.sidebar .nav-link{
  color:var(--text);
  opacity:.85;
  border-radius:10px;
  padding:.6rem .8rem;
  margin:.15rem 0;
  transition: all .2s ease;
}
.sidebar .nav-link.active, .sidebar .nav-link:hover{
  background:linear-gradient(90deg, rgba(14,165,233,.18), rgba(34,197,94,.10));
  color:#fff;
  transform: translateX(4px);
}

.content{
  flex:1;
  padding:24px;
}
.container-card{
  background:rgba(255,255,255,.07); /* darker glass for better contrast */
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  backdrop-filter: blur(8px) saturate(120%);
  -webkit-backdrop-filter: blur(8px) saturate(120%);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.container-card:hover{
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0,0,0,.35), 0 0 0 1px rgba(14,165,233,.15) inset;
  border-color: rgba(14,165,233,.22);
}

/* Ensure strong text contrast inside cards */
.container-card p,
.container-card li,
.container-card .small{ color: #eaf2fb; }
.container-card h1,
.container-card h2,
.container-card h3,
.container-card h4{ color: #ffffff; }

.hero{
  border-radius:var(--radius);
  padding:42px 28px;
  background:
    radial-gradient(1200px 400px at 20% -10%, rgba(14,165,233,.22), transparent 60%),
    radial-gradient(1000px 400px at 80% 110%, rgba(34,197,94,.20), transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
  border:1px solid rgba(255,255,255,.08);
}
.hero h1{
  font-size:clamp(28px, 3.6vw, 52px);
  line-height:1.08;
  margin:0 0 10px 0;
  background: linear-gradient(90deg, #e6edf3, rgba(14,165,233,0.9), rgba(34,197,94,0.9));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  text-shadow: 0 2px 14px rgba(14,165,233,.25), 0 1px 2px rgba(0,0,0,.6);
}
.hero p{color:var(--muted);max-width:900px;margin:0}

.badge-tech{
  display:inline-flex;align-items:center;gap:8px;
  padding:.5rem .75rem;border-radius:999px;
  background:linear-gradient(90deg, rgba(14,165,233,.18), rgba(34,197,94,.12));
  border:1px solid rgba(255,255,255,.18);
  margin:.25rem .25rem 0 0;
  color:#f6fbff; /* brighter text */
  text-shadow: 0 1px 2px rgba(0,0,0,.45);
  transition: transform .15s ease, box-shadow .2s ease, border-color .2s ease;
}
.badge-tech .dot{width:6px;height:6px;border-radius:999px;background:var(--accent)}
.badge-tech:hover{ transform: translateY(-1px); box-shadow:0 6px 22px rgba(14,165,233,.28); border-color: rgba(255,255,255,.26) }

/* Gallery */
.gallery{
  display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));
}
.gallery figure{margin:0}
.gallery img{
  width:100%;
  height:180px;
  object-fit:cover;
  border-radius:12px;
  cursor:zoom-in;
  border:1px solid rgba(255,255,255,.08);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}

.lightbox-backdrop{
  position:fixed;inset:0;background:rgba(0,0,0,.8);display:none;place-items:center;z-index:1055;
}
.lightbox-backdrop.open{display:grid}
.lightbox-backdrop img{max-width:95vw;max-height:90vh;border-radius:12px;box-shadow:var(--shadow)}
.lightbox-close{
  position:fixed;top:16px;right:16px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
  color:#fff;border-radius:999px;padding:.4rem .7rem;cursor:pointer
}

/* Footer */
.site-footer{
  margin-top:30px;
  padding:22px;
  border-top:1px solid rgba(255,255,255,.08);
  color:var(--muted);
}

/* Links and focus states */
a, a:visited{ color: #3498db; }
a:hover{ color: #38bdf8; }
a.link-info{ text-decoration:none; color: var(--primary) }
a.link-info:hover{ text-decoration:underline; text-underline-offset:3px }

/* Improve secondary text contrast */
.text-secondary{ color: #b6c2cf !important; }

/* Badge link (elegant breadcrumb button) */
.badge-link{
  display:inline-flex; align-items:center; gap:.5rem;
  padding:.35rem .7rem; border-radius:999px;
  background: linear-gradient(90deg, rgba(14,165,233,.18), rgba(34,197,94,.12));
  border:1px solid rgba(255,255,255,.14);
  color:#eaf2fb !important; text-decoration:none;
  box-shadow: 0 6px 18px rgba(0,0,0,.25), inset 0 0 0 1px rgba(14,165,233,.15);
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
}
.badge-link:hover{
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(0,0,0,.30), inset 0 0 0 1px rgba(14,165,233,.25);
  background: linear-gradient(90deg, rgba(14,165,233,.24), rgba(34,197,94,.18));
}
.badge-link i{ opacity:.9 }

/* Custom scrollbar (webkit) */
*::-webkit-scrollbar{ height:12px; width:12px }
*::-webkit-scrollbar-track{ background: rgba(255,255,255,.03) }
*::-webkit-scrollbar-thumb{ background: linear-gradient(180deg, rgba(14,165,233,.6), rgba(34,197,94,.6)); border-radius:10px; border:2px solid rgba(0,0,0,.2) }
*{ scrollbar-width: thin; scrollbar-color: rgba(14,165,233,.6) rgba(255,255,255,.03) }

/* Responsive */
@media (max-width: 992px){
  .sidebar{position:fixed;left:-100%;transition:left .25s ease;width:280px;z-index:1056}
  .sidebar.open{left:0}
  .content{padding:16px}
}